Commit | Line | Data |
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8a680988 | 1 | /* Copyright (c) 2006-2008 Jonas Fonseca <fonseca@diku.dk> |
192d9a60 | 2 | * |
5cfbde75 JF |
3 | * This program is free software; you can redistribute it and/or |
4 | * modify it under the terms of the GNU General Public License as | |
5 | * published by the Free Software Foundation; either version 2 of | |
6 | * the License, or (at your option) any later version. | |
192d9a60 JF |
7 | * |
8 | * This program is distributed in the hope that it will be useful, | |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
11 | * GNU General Public License for more details. | |
12 | */ | |
b801d8b2 | 13 | |
776bf2ac JF |
14 | #ifdef HAVE_CONFIG_H |
15 | #include "config.h" | |
16 | #endif | |
17 | ||
ec31d0d0 SG |
18 | #ifndef TIG_VERSION |
19 | #define TIG_VERSION "unknown-version" | |
b76c2afc JF |
20 | #endif |
21 | ||
8855ada4 JF |
22 | #ifndef DEBUG |
23 | #define NDEBUG | |
24 | #endif | |
25 | ||
22f66b0a | 26 | #include <assert.h> |
4c6fabc2 | 27 | #include <errno.h> |
22f66b0a JF |
28 | #include <ctype.h> |
29 | #include <signal.h> | |
b801d8b2 | 30 | #include <stdarg.h> |
b801d8b2 | 31 | #include <stdio.h> |
22f66b0a | 32 | #include <stdlib.h> |
b801d8b2 | 33 | #include <string.h> |
810f0078 JF |
34 | #include <sys/types.h> |
35 | #include <sys/stat.h> | |
6908bdbd | 36 | #include <unistd.h> |
b76c2afc | 37 | #include <time.h> |
b801d8b2 | 38 | |
4af34daa JF |
39 | #include <regex.h> |
40 | ||
6b68fd24 JF |
41 | #include <locale.h> |
42 | #include <langinfo.h> | |
43 | #include <iconv.h> | |
44 | ||
6a19a303 JF |
45 | /* ncurses(3): Must be defined to have extended wide-character functions. */ |
46 | #define _XOPEN_SOURCE_EXTENDED | |
47 | ||
b801d8b2 | 48 | #include <curses.h> |
b801d8b2 | 49 | |
e2da526d JF |
50 | #if __GNUC__ >= 3 |
51 | #define __NORETURN __attribute__((__noreturn__)) | |
52 | #else | |
53 | #define __NORETURN | |
54 | #endif | |
55 | ||
56 | static void __NORETURN die(const char *err, ...); | |
77452abc | 57 | static void warn(const char *msg, ...); |
b801d8b2 | 58 | static void report(const char *msg, ...); |
5699e0cf | 59 | static int read_properties(FILE *pipe, const char *separators, int (*read)(char *, size_t, char *, size_t)); |
1ba2ae4b | 60 | static void set_nonblocking_input(bool loading); |
012e76e9 | 61 | static size_t utf8_length(const char *string, size_t max_width, int *trimmed, bool reserve); |
6b161b31 JF |
62 | |
63 | #define ABS(x) ((x) >= 0 ? (x) : -(x)) | |
64 | #define MIN(x, y) ((x) < (y) ? (x) : (y)) | |
65 | ||
66 | #define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0])) | |
67 | #define STRING_SIZE(x) (sizeof(x) - 1) | |
b76c2afc | 68 | |
17482b11 | 69 | #define SIZEOF_STR 1024 /* Default string size. */ |
2e8488b4 | 70 | #define SIZEOF_REF 256 /* Size of symbolic or SHA1 ID. */ |
10446330 | 71 | #define SIZEOF_REV 41 /* Holds a SHA-1 and an ending NUL */ |
c8d60a25 JF |
72 | |
73 | /* Revision graph */ | |
74 | ||
75 | #define REVGRAPH_INIT 'I' | |
76 | #define REVGRAPH_MERGE 'M' | |
77 | #define REVGRAPH_BRANCH '+' | |
78 | #define REVGRAPH_COMMIT '*' | |
e81e9c2c | 79 | #define REVGRAPH_BOUND '^' |
c8d60a25 JF |
80 | #define REVGRAPH_LINE '|' |
81 | ||
54efb62b | 82 | #define SIZEOF_REVGRAPH 19 /* Size of revision ancestry graphics. */ |
b801d8b2 | 83 | |
82e78006 JF |
84 | /* This color name can be used to refer to the default term colors. */ |
85 | #define COLOR_DEFAULT (-1) | |
78c70acd | 86 | |
6b68fd24 | 87 | #define ICONV_NONE ((iconv_t) -1) |
58a5e4ea JF |
88 | #ifndef ICONV_CONST |
89 | #define ICONV_CONST /* nothing */ | |
90 | #endif | |
6b68fd24 | 91 | |
82e78006 | 92 | /* The format and size of the date column in the main view. */ |
4c6fabc2 | 93 | #define DATE_FORMAT "%Y-%m-%d %H:%M" |
6b161b31 | 94 | #define DATE_COLS STRING_SIZE("2006-04-29 14:21 ") |
4c6fabc2 | 95 | |
10e290ee | 96 | #define AUTHOR_COLS 20 |
8a680988 | 97 | #define ID_COLS 8 |
10e290ee | 98 | |
a28bcc22 | 99 | /* The default interval between line numbers. */ |
8a680988 | 100 | #define NUMBER_INTERVAL 5 |
82e78006 | 101 | |
6706b2ba JF |
102 | #define TABSIZE 8 |
103 | ||
a28bcc22 JF |
104 | #define SCALE_SPLIT_VIEW(height) ((height) * 2 / 3) |
105 | ||
96e58f5b | 106 | #ifndef GIT_CONFIG |
da633326 | 107 | #define GIT_CONFIG "git config" |
96e58f5b JF |
108 | #endif |
109 | ||
8eb62770 | 110 | #define TIG_LS_REMOTE \ |
337d7377 | 111 | "git ls-remote $(git rev-parse --git-dir) 2>/dev/null" |
8eb62770 JF |
112 | |
113 | #define TIG_DIFF_CMD \ | |
ee74874b | 114 | "git show --pretty=fuller --no-color --root --patch-with-stat --find-copies-harder -C %s 2>/dev/null" |
8eb62770 JF |
115 | |
116 | #define TIG_LOG_CMD \ | |
8897e66a | 117 | "git log --no-color --cc --stat -n100 %s 2>/dev/null" |
8eb62770 JF |
118 | |
119 | #define TIG_MAIN_CMD \ | |
d3b19ca4 | 120 | "git log --no-color --topo-order --parents --boundary --pretty=raw %s 2>/dev/null" |
8eb62770 | 121 | |
e733ee54 JF |
122 | #define TIG_TREE_CMD \ |
123 | "git ls-tree %s %s" | |
124 | ||
125 | #define TIG_BLOB_CMD \ | |
126 | "git cat-file blob %s" | |
127 | ||
8eb62770 JF |
128 | /* XXX: Needs to be defined to the empty string. */ |
129 | #define TIG_HELP_CMD "" | |
130 | #define TIG_PAGER_CMD "" | |
173d76ea | 131 | #define TIG_STATUS_CMD "" |
3e634113 | 132 | #define TIG_STAGE_CMD "" |
8a680988 | 133 | #define TIG_BLAME_CMD "" |
8eb62770 | 134 | |
8855ada4 | 135 | /* Some ascii-shorthands fitted into the ncurses namespace. */ |
a28bcc22 JF |
136 | #define KEY_TAB '\t' |
137 | #define KEY_RETURN '\r' | |
4a2909a7 JF |
138 | #define KEY_ESC 27 |
139 | ||
6706b2ba | 140 | |
c34d9c9f | 141 | struct ref { |
468876c9 | 142 | char *name; /* Ref name; tag or head names are shortened. */ |
10446330 | 143 | char id[SIZEOF_REV]; /* Commit SHA1 ID */ |
468876c9 | 144 | unsigned int tag:1; /* Is it a tag? */ |
2384880b | 145 | unsigned int ltag:1; /* If so, is the tag local? */ |
e15ec88e | 146 | unsigned int remote:1; /* Is it a remote ref? */ |
468876c9 | 147 | unsigned int next:1; /* For ref lists: are there more refs? */ |
c34d9c9f JF |
148 | }; |
149 | ||
ff26aa29 | 150 | static struct ref **get_refs(char *id); |
4c6fabc2 | 151 | |
660e09ad JF |
152 | struct int_map { |
153 | const char *name; | |
154 | int namelen; | |
155 | int value; | |
156 | }; | |
157 | ||
158 | static int | |
159 | set_from_int_map(struct int_map *map, size_t map_size, | |
160 | int *value, const char *name, int namelen) | |
161 | { | |
162 | ||
163 | int i; | |
164 | ||
165 | for (i = 0; i < map_size; i++) | |
166 | if (namelen == map[i].namelen && | |
167 | !strncasecmp(name, map[i].name, namelen)) { | |
168 | *value = map[i].value; | |
169 | return OK; | |
170 | } | |
171 | ||
172 | return ERR; | |
173 | } | |
174 | ||
6706b2ba | 175 | |
03a93dbb JF |
176 | /* |
177 | * String helpers | |
178 | */ | |
78c70acd | 179 | |
82e78006 | 180 | static inline void |
9a48919b | 181 | string_ncopy_do(char *dst, size_t dstlen, const char *src, size_t srclen) |
82e78006 | 182 | { |
9a48919b JF |
183 | if (srclen > dstlen - 1) |
184 | srclen = dstlen - 1; | |
03a93dbb | 185 | |
9a48919b JF |
186 | strncpy(dst, src, srclen); |
187 | dst[srclen] = 0; | |
82e78006 JF |
188 | } |
189 | ||
9a48919b JF |
190 | /* Shorthands for safely copying into a fixed buffer. */ |
191 | ||
82e78006 | 192 | #define string_copy(dst, src) \ |
751e27c9 | 193 | string_ncopy_do(dst, sizeof(dst), src, sizeof(src)) |
9a48919b JF |
194 | |
195 | #define string_ncopy(dst, src, srclen) \ | |
196 | string_ncopy_do(dst, sizeof(dst), src, srclen) | |
82e78006 | 197 | |
2463b4ea JF |
198 | #define string_copy_rev(dst, src) \ |
199 | string_ncopy_do(dst, SIZEOF_REV, src, SIZEOF_REV - 1) | |
200 | ||
91c5d983 JF |
201 | #define string_add(dst, from, src) \ |
202 | string_ncopy_do(dst + (from), sizeof(dst) - (from), src, sizeof(src)) | |
203 | ||
4a63c884 JF |
204 | static char * |
205 | chomp_string(char *name) | |
206 | { | |
207 | int namelen; | |
208 | ||
209 | while (isspace(*name)) | |
210 | name++; | |
211 | ||
212 | namelen = strlen(name) - 1; | |
213 | while (namelen > 0 && isspace(name[namelen])) | |
214 | name[namelen--] = 0; | |
215 | ||
216 | return name; | |
217 | } | |
218 | ||
cc2d1364 | 219 | static bool |
d65ced0d | 220 | string_nformat(char *buf, size_t bufsize, size_t *bufpos, const char *fmt, ...) |
cc2d1364 JF |
221 | { |
222 | va_list args; | |
d65ced0d | 223 | size_t pos = bufpos ? *bufpos : 0; |
cc2d1364 JF |
224 | |
225 | va_start(args, fmt); | |
226 | pos += vsnprintf(buf + pos, bufsize - pos, fmt, args); | |
227 | va_end(args); | |
228 | ||
229 | if (bufpos) | |
230 | *bufpos = pos; | |
231 | ||
232 | return pos >= bufsize ? FALSE : TRUE; | |
233 | } | |
234 | ||
235 | #define string_format(buf, fmt, args...) \ | |
236 | string_nformat(buf, sizeof(buf), NULL, fmt, args) | |
237 | ||
238 | #define string_format_from(buf, from, fmt, args...) \ | |
239 | string_nformat(buf, sizeof(buf), from, fmt, args) | |
6706b2ba | 240 | |
201f5a18 JF |
241 | static int |
242 | string_enum_compare(const char *str1, const char *str2, int len) | |
243 | { | |
244 | size_t i; | |
245 | ||
246 | #define string_enum_sep(x) ((x) == '-' || (x) == '_' || (x) == '.') | |
247 | ||
248 | /* Diff-Header == DIFF_HEADER */ | |
249 | for (i = 0; i < len; i++) { | |
250 | if (toupper(str1[i]) == toupper(str2[i])) | |
251 | continue; | |
252 | ||
253 | if (string_enum_sep(str1[i]) && | |
254 | string_enum_sep(str2[i])) | |
255 | continue; | |
256 | ||
257 | return str1[i] - str2[i]; | |
258 | } | |
259 | ||
260 | return 0; | |
261 | } | |
262 | ||
03a93dbb JF |
263 | /* Shell quoting |
264 | * | |
265 | * NOTE: The following is a slightly modified copy of the git project's shell | |
266 | * quoting routines found in the quote.c file. | |
267 | * | |
268 | * Help to copy the thing properly quoted for the shell safety. any single | |
269 | * quote is replaced with '\'', any exclamation point is replaced with '\!', | |
270 | * and the whole thing is enclosed in a | |
271 | * | |
272 | * E.g. | |
273 | * original sq_quote result | |
274 | * name ==> name ==> 'name' | |
275 | * a b ==> a b ==> 'a b' | |
276 | * a'b ==> a'\''b ==> 'a'\''b' | |
277 | * a!b ==> a'\!'b ==> 'a'\!'b' | |
278 | */ | |
279 | ||
280 | static size_t | |
17482b11 | 281 | sq_quote(char buf[SIZEOF_STR], size_t bufsize, const char *src) |
03a93dbb JF |
282 | { |
283 | char c; | |
284 | ||
17482b11 | 285 | #define BUFPUT(x) do { if (bufsize < SIZEOF_STR) buf[bufsize++] = (x); } while (0) |
03a93dbb JF |
286 | |
287 | BUFPUT('\''); | |
288 | while ((c = *src++)) { | |
289 | if (c == '\'' || c == '!') { | |
290 | BUFPUT('\''); | |
291 | BUFPUT('\\'); | |
292 | BUFPUT(c); | |
293 | BUFPUT('\''); | |
294 | } else { | |
295 | BUFPUT(c); | |
296 | } | |
297 | } | |
298 | BUFPUT('\''); | |
299 | ||
f0f114ac JF |
300 | if (bufsize < SIZEOF_STR) |
301 | buf[bufsize] = 0; | |
302 | ||
03a93dbb JF |
303 | return bufsize; |
304 | } | |
305 | ||
82e78006 | 306 | |
24b5b3e0 JF |
307 | /* |
308 | * User requests | |
309 | */ | |
310 | ||
311 | #define REQ_INFO \ | |
312 | /* XXX: Keep the view request first and in sync with views[]. */ \ | |
313 | REQ_GROUP("View switching") \ | |
314 | REQ_(VIEW_MAIN, "Show main view"), \ | |
315 | REQ_(VIEW_DIFF, "Show diff view"), \ | |
316 | REQ_(VIEW_LOG, "Show log view"), \ | |
e733ee54 JF |
317 | REQ_(VIEW_TREE, "Show tree view"), \ |
318 | REQ_(VIEW_BLOB, "Show blob view"), \ | |
8a680988 | 319 | REQ_(VIEW_BLAME, "Show blame view"), \ |
24b5b3e0 JF |
320 | REQ_(VIEW_HELP, "Show help page"), \ |
321 | REQ_(VIEW_PAGER, "Show pager view"), \ | |
173d76ea | 322 | REQ_(VIEW_STATUS, "Show status view"), \ |
3e634113 | 323 | REQ_(VIEW_STAGE, "Show stage view"), \ |
24b5b3e0 JF |
324 | \ |
325 | REQ_GROUP("View manipulation") \ | |
326 | REQ_(ENTER, "Enter current line and scroll"), \ | |
327 | REQ_(NEXT, "Move to next"), \ | |
328 | REQ_(PREVIOUS, "Move to previous"), \ | |
329 | REQ_(VIEW_NEXT, "Move focus to next view"), \ | |
acaef3b3 | 330 | REQ_(REFRESH, "Reload and refresh"), \ |
24b5b3e0 JF |
331 | REQ_(VIEW_CLOSE, "Close the current view"), \ |
332 | REQ_(QUIT, "Close all views and quit"), \ | |
333 | \ | |
334 | REQ_GROUP("Cursor navigation") \ | |
335 | REQ_(MOVE_UP, "Move cursor one line up"), \ | |
336 | REQ_(MOVE_DOWN, "Move cursor one line down"), \ | |
337 | REQ_(MOVE_PAGE_DOWN, "Move cursor one page down"), \ | |
338 | REQ_(MOVE_PAGE_UP, "Move cursor one page up"), \ | |
339 | REQ_(MOVE_FIRST_LINE, "Move cursor to first line"), \ | |
340 | REQ_(MOVE_LAST_LINE, "Move cursor to last line"), \ | |
341 | \ | |
342 | REQ_GROUP("Scrolling") \ | |
343 | REQ_(SCROLL_LINE_UP, "Scroll one line up"), \ | |
344 | REQ_(SCROLL_LINE_DOWN, "Scroll one line down"), \ | |
345 | REQ_(SCROLL_PAGE_UP, "Scroll one page up"), \ | |
346 | REQ_(SCROLL_PAGE_DOWN, "Scroll one page down"), \ | |
347 | \ | |
4af34daa JF |
348 | REQ_GROUP("Searching") \ |
349 | REQ_(SEARCH, "Search the view"), \ | |
350 | REQ_(SEARCH_BACK, "Search backwards in the view"), \ | |
351 | REQ_(FIND_NEXT, "Find next search match"), \ | |
352 | REQ_(FIND_PREV, "Find previous search match"), \ | |
353 | \ | |
24b5b3e0 JF |
354 | REQ_GROUP("Misc") \ |
355 | REQ_(PROMPT, "Bring up the prompt"), \ | |
24b5b3e0 JF |
356 | REQ_(SCREEN_REDRAW, "Redraw the screen"), \ |
357 | REQ_(SCREEN_RESIZE, "Resize the screen"), \ | |
358 | REQ_(SHOW_VERSION, "Show version information"), \ | |
359 | REQ_(STOP_LOADING, "Stop all loading views"), \ | |
54efb62b | 360 | REQ_(TOGGLE_LINENO, "Toggle line numbers"), \ |
823057f4 DV |
361 | REQ_(TOGGLE_DATE, "Toggle date display"), \ |
362 | REQ_(TOGGLE_AUTHOR, "Toggle author display"), \ | |
ca1d71ea | 363 | REQ_(TOGGLE_REV_GRAPH, "Toggle revision graph visualization"), \ |
823057f4 | 364 | REQ_(TOGGLE_REFS, "Toggle reference display (tags/branches)"), \ |
0cea0d43 | 365 | REQ_(STATUS_UPDATE, "Update file status"), \ |
b5c18d9d | 366 | REQ_(STATUS_MERGE, "Merge file using external tool"), \ |
c509eed2 | 367 | REQ_(TREE_PARENT, "Switch to parent directory in tree view"), \ |
226da94b | 368 | REQ_(EDIT, "Open in editor"), \ |
d31a629d | 369 | REQ_(NONE, "Do nothing") |
24b5b3e0 JF |
370 | |
371 | ||
372 | /* User action requests. */ | |
373 | enum request { | |
374 | #define REQ_GROUP(help) | |
375 | #define REQ_(req, help) REQ_##req | |
376 | ||
377 | /* Offset all requests to avoid conflicts with ncurses getch values. */ | |
378 | REQ_OFFSET = KEY_MAX + 1, | |
d31a629d | 379 | REQ_INFO |
24b5b3e0 JF |
380 | |
381 | #undef REQ_GROUP | |
382 | #undef REQ_ | |
383 | }; | |
384 | ||
385 | struct request_info { | |
386 | enum request request; | |
04e2b7b2 JF |
387 | char *name; |
388 | int namelen; | |
24b5b3e0 JF |
389 | char *help; |
390 | }; | |
391 | ||
392 | static struct request_info req_info[] = { | |
04e2b7b2 JF |
393 | #define REQ_GROUP(help) { 0, NULL, 0, (help) }, |
394 | #define REQ_(req, help) { REQ_##req, (#req), STRING_SIZE(#req), (help) } | |
24b5b3e0 JF |
395 | REQ_INFO |
396 | #undef REQ_GROUP | |
397 | #undef REQ_ | |
398 | }; | |
399 | ||
04e2b7b2 JF |
400 | static enum request |
401 | get_request(const char *name) | |
402 | { | |
403 | int namelen = strlen(name); | |
404 | int i; | |
405 | ||
406 | for (i = 0; i < ARRAY_SIZE(req_info); i++) | |
407 | if (req_info[i].namelen == namelen && | |
408 | !string_enum_compare(req_info[i].name, name, namelen)) | |
409 | return req_info[i].request; | |
410 | ||
d31a629d | 411 | return REQ_NONE; |
04e2b7b2 JF |
412 | } |
413 | ||
414 | ||
8eb62770 JF |
415 | /* |
416 | * Options | |
417 | */ | |
b76c2afc | 418 | |
4b8c01a3 | 419 | static const char usage[] = |
ec31d0d0 | 420 | "tig " TIG_VERSION " (" __DATE__ ")\n" |
4b8c01a3 | 421 | "\n" |
77452abc JF |
422 | "Usage: tig [options] [revs] [--] [paths]\n" |
423 | " or: tig show [options] [revs] [--] [paths]\n" | |
8a680988 | 424 | " or: tig blame [rev] path\n" |
77452abc JF |
425 | " or: tig status\n" |
426 | " or: tig < [git command output]\n" | |
4b8c01a3 JF |
427 | "\n" |
428 | "Options:\n" | |
77452abc | 429 | " -v, --version Show version and exit\n" |
8a680988 | 430 | " -h, --help Show help message and exit"; |
4b8c01a3 | 431 | |
6706b2ba | 432 | /* Option and state variables. */ |
823057f4 DV |
433 | static bool opt_date = TRUE; |
434 | static bool opt_author = TRUE; | |
92d30f5c | 435 | static bool opt_line_number = FALSE; |
11ce319e | 436 | static bool opt_rev_graph = FALSE; |
823057f4 | 437 | static bool opt_show_refs = TRUE; |
92d30f5c JF |
438 | static int opt_num_interval = NUMBER_INTERVAL; |
439 | static int opt_tab_size = TABSIZE; | |
440 | static enum request opt_request = REQ_VIEW_MAIN; | |
441 | static char opt_cmd[SIZEOF_STR] = ""; | |
e733ee54 | 442 | static char opt_path[SIZEOF_STR] = ""; |
8a680988 | 443 | static char opt_ref[SIZEOF_REF] = ""; |
92d30f5c JF |
444 | static FILE *opt_pipe = NULL; |
445 | static char opt_encoding[20] = "UTF-8"; | |
446 | static bool opt_utf8 = TRUE; | |
447 | static char opt_codeset[20] = "UTF-8"; | |
448 | static iconv_t opt_iconv = ICONV_NONE; | |
449 | static char opt_search[SIZEOF_STR] = ""; | |
91c5d983 | 450 | static char opt_cdup[SIZEOF_STR] = ""; |
810f0078 | 451 | static char opt_git_dir[SIZEOF_STR] = ""; |
5bdd523b | 452 | static signed char opt_is_inside_work_tree = -1; /* set to TRUE or FALSE */ |
0cea0d43 | 453 | static char opt_editor[SIZEOF_STR] = ""; |
b76c2afc | 454 | |
6dbf6c19 JF |
455 | enum option_type { |
456 | OPT_NONE, | |
457 | OPT_INT, | |
458 | }; | |
459 | ||
460 | static bool | |
461 | check_option(char *opt, char short_name, char *name, enum option_type type, ...) | |
462 | { | |
463 | va_list args; | |
464 | char *value = ""; | |
465 | int *number; | |
466 | ||
467 | if (opt[0] != '-') | |
468 | return FALSE; | |
469 | ||
470 | if (opt[1] == '-') { | |
471 | int namelen = strlen(name); | |
472 | ||
473 | opt += 2; | |
474 | ||
475 | if (strncmp(opt, name, namelen)) | |
476 | return FALSE; | |
477 | ||
478 | if (opt[namelen] == '=') | |
479 | value = opt + namelen + 1; | |
480 | ||
481 | } else { | |
482 | if (!short_name || opt[1] != short_name) | |
483 | return FALSE; | |
484 | value = opt + 2; | |
485 | } | |
486 | ||
487 | va_start(args, type); | |
488 | if (type == OPT_INT) { | |
489 | number = va_arg(args, int *); | |
490 | if (isdigit(*value)) | |
491 | *number = atoi(value); | |
492 | } | |
493 | va_end(args); | |
494 | ||
495 | return TRUE; | |
496 | } | |
497 | ||
b76c2afc | 498 | /* Returns the index of log or diff command or -1 to exit. */ |
8855ada4 | 499 | static bool |
b76c2afc JF |
500 | parse_options(int argc, char *argv[]) |
501 | { | |
77452abc JF |
502 | char *altargv[1024]; |
503 | int altargc = 0; | |
c36979d9 | 504 | char *subcommand; |
b76c2afc JF |
505 | int i; |
506 | ||
c36979d9 JF |
507 | if (argc <= 1) |
508 | return TRUE; | |
b76c2afc | 509 | |
c36979d9 JF |
510 | subcommand = argv[1]; |
511 | if (!strcmp(subcommand, "status")) { | |
512 | opt_request = REQ_VIEW_STATUS; | |
513 | if (argc > 2) | |
514 | warn("ignoring arguments after `%s'", subcommand); | |
515 | return TRUE; | |
77452abc | 516 | |
8a680988 JF |
517 | } else if (!strcmp(subcommand, "blame")) { |
518 | opt_request = REQ_VIEW_BLAME; | |
519 | if (argc <= 2 || argc > 4) | |
520 | die("invalid number of options to blame\n\n%s", usage); | |
521 | ||
522 | i = 2; | |
523 | if (argc == 4) { | |
524 | string_ncopy(opt_ref, argv[i], strlen(argv[i])); | |
525 | i++; | |
526 | } | |
527 | ||
528 | string_ncopy(opt_path, argv[i], strlen(argv[i])); | |
529 | return TRUE; | |
530 | ||
c36979d9 JF |
531 | } else if (!strcmp(subcommand, "show")) { |
532 | opt_request = REQ_VIEW_DIFF; | |
77452abc | 533 | |
c36979d9 JF |
534 | } else if (!strcmp(subcommand, "log") || !strcmp(subcommand, "diff")) { |
535 | opt_request = subcommand[0] == 'l' | |
536 | ? REQ_VIEW_LOG : REQ_VIEW_DIFF; | |
537 | warn("`tig %s' has been deprecated", subcommand); | |
538 | ||
539 | } else { | |
540 | subcommand = NULL; | |
541 | } | |
542 | ||
543 | for (i = 1 + !!subcommand; i < argc; i++) { | |
544 | char *opt = argv[i]; | |
3621d94e | 545 | |
8d27b36e JF |
546 | if (opt[0] && opt[0] != '-') |
547 | break; | |
548 | ||
bfe97931 JF |
549 | if (!strcmp(opt, "--")) { |
550 | i++; | |
551 | break; | |
552 | } | |
553 | ||
554 | if (check_option(opt, 'v', "version", OPT_NONE)) { | |
555 | printf("tig version %s\n", TIG_VERSION); | |
556 | return FALSE; | |
557 | } | |
558 | ||
559 | if (check_option(opt, 'h', "help", OPT_NONE)) { | |
560 | printf(usage); | |
561 | return FALSE; | |
562 | } | |
563 | ||
564 | if (!strcmp(opt, "-S")) { | |
77452abc | 565 | warn("`%s' has been deprecated; use `tig status' instead", opt); |
bfe97931 JF |
566 | opt_request = REQ_VIEW_STATUS; |
567 | continue; | |
568 | } | |
569 | ||
6b161b31 | 570 | if (!strcmp(opt, "-l")) { |
4a2909a7 | 571 | opt_request = REQ_VIEW_LOG; |
77452abc | 572 | } else if (!strcmp(opt, "-d")) { |
4a2909a7 | 573 | opt_request = REQ_VIEW_DIFF; |
77452abc | 574 | } else if (check_option(opt, 'n', "line-number", OPT_INT, &opt_num_interval)) { |
6b161b31 | 575 | opt_line_number = TRUE; |
77452abc | 576 | } else if (check_option(opt, 'b', "tab-size", OPT_INT, &opt_tab_size)) { |
6dbf6c19 | 577 | opt_tab_size = MIN(opt_tab_size, TABSIZE); |
77452abc JF |
578 | } else { |
579 | if (altargc >= ARRAY_SIZE(altargv)) | |
580 | die("maximum number of arguments exceeded"); | |
581 | altargv[altargc++] = opt; | |
6706b2ba JF |
582 | continue; |
583 | } | |
584 | ||
77452abc | 585 | warn("`%s' has been deprecated", opt); |
b76c2afc JF |
586 | } |
587 | ||
6908bdbd | 588 | if (!isatty(STDIN_FILENO)) { |
6908bdbd JF |
589 | opt_request = REQ_VIEW_PAGER; |
590 | opt_pipe = stdin; | |
591 | ||
77452abc JF |
592 | } else if (i < argc || altargc > 0) { |
593 | int alti = 0; | |
6908bdbd JF |
594 | size_t buf_size; |
595 | ||
6908bdbd | 596 | if (opt_request == REQ_VIEW_MAIN) |
8855ada4 JF |
597 | /* XXX: This is vulnerable to the user overriding |
598 | * options required for the main view parser. */ | |
d3b19ca4 | 599 | string_copy(opt_cmd, "git log --no-color --pretty=raw --boundary --parents"); |
6908bdbd | 600 | else |
c36979d9 | 601 | string_format(opt_cmd, "git %s", subcommand); |
6908bdbd JF |
602 | buf_size = strlen(opt_cmd); |
603 | ||
77452abc JF |
604 | while (buf_size < sizeof(opt_cmd) && alti < altargc) { |
605 | opt_cmd[buf_size++] = ' '; | |
606 | buf_size = sq_quote(opt_cmd, buf_size, altargv[alti++]); | |
607 | } | |
608 | ||
6908bdbd JF |
609 | while (buf_size < sizeof(opt_cmd) && i < argc) { |
610 | opt_cmd[buf_size++] = ' '; | |
611 | buf_size = sq_quote(opt_cmd, buf_size, argv[i++]); | |
612 | } | |
613 | ||
614 | if (buf_size >= sizeof(opt_cmd)) | |
615 | die("command too long"); | |
616 | ||
617 | opt_cmd[buf_size] = 0; | |
6908bdbd JF |
618 | } |
619 | ||
8855ada4 | 620 | return TRUE; |
b76c2afc JF |
621 | } |
622 | ||
623 | ||
54efb62b JF |
624 | /* |
625 | * Line-oriented content detection. | |
626 | */ | |
627 | ||
2e8488b4 | 628 | #define LINE_INFO \ |
660e09ad | 629 | LINE(DIFF_HEADER, "diff --git ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ |
a28bcc22 JF |
630 | LINE(DIFF_CHUNK, "@@", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
631 | LINE(DIFF_ADD, "+", COLOR_GREEN, COLOR_DEFAULT, 0), \ | |
632 | LINE(DIFF_DEL, "-", COLOR_RED, COLOR_DEFAULT, 0), \ | |
660e09ad JF |
633 | LINE(DIFF_INDEX, "index ", COLOR_BLUE, COLOR_DEFAULT, 0), \ |
634 | LINE(DIFF_OLDMODE, "old file mode ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
635 | LINE(DIFF_NEWMODE, "new file mode ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
636 | LINE(DIFF_COPY_FROM, "copy from", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
637 | LINE(DIFF_COPY_TO, "copy to", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
638 | LINE(DIFF_RENAME_FROM, "rename from", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
639 | LINE(DIFF_RENAME_TO, "rename to", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
640 | LINE(DIFF_SIMILARITY, "similarity ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
641 | LINE(DIFF_DISSIMILARITY,"dissimilarity ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
642 | LINE(DIFF_TREE, "diff-tree ", COLOR_BLUE, COLOR_DEFAULT, 0), \ | |
6908bdbd | 643 | LINE(PP_AUTHOR, "Author: ", COLOR_CYAN, COLOR_DEFAULT, 0), \ |
8855ada4 | 644 | LINE(PP_COMMIT, "Commit: ", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
6908bdbd JF |
645 | LINE(PP_MERGE, "Merge: ", COLOR_BLUE, COLOR_DEFAULT, 0), \ |
646 | LINE(PP_DATE, "Date: ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
8855ada4 JF |
647 | LINE(PP_ADATE, "AuthorDate: ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ |
648 | LINE(PP_CDATE, "CommitDate: ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
7b99a34c | 649 | LINE(PP_REFS, "Refs: ", COLOR_RED, COLOR_DEFAULT, 0), \ |
a28bcc22 JF |
650 | LINE(COMMIT, "commit ", COLOR_GREEN, COLOR_DEFAULT, 0), \ |
651 | LINE(PARENT, "parent ", COLOR_BLUE, COLOR_DEFAULT, 0), \ | |
652 | LINE(TREE, "tree ", COLOR_BLUE, COLOR_DEFAULT, 0), \ | |
8855ada4 | 653 | LINE(AUTHOR, "author ", COLOR_CYAN, COLOR_DEFAULT, 0), \ |
a28bcc22 | 654 | LINE(COMMITTER, "committer ", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
a28bcc22 | 655 | LINE(SIGNOFF, " Signed-off-by", COLOR_YELLOW, COLOR_DEFAULT, 0), \ |
d4d8de8f | 656 | LINE(ACKED, " Acked-by", COLOR_YELLOW, COLOR_DEFAULT, 0), \ |
a28bcc22 JF |
657 | LINE(DEFAULT, "", COLOR_DEFAULT, COLOR_DEFAULT, A_NORMAL), \ |
658 | LINE(CURSOR, "", COLOR_WHITE, COLOR_GREEN, A_BOLD), \ | |
659 | LINE(STATUS, "", COLOR_GREEN, COLOR_DEFAULT, 0), \ | |
6b161b31 JF |
660 | LINE(TITLE_BLUR, "", COLOR_WHITE, COLOR_BLUE, 0), \ |
661 | LINE(TITLE_FOCUS, "", COLOR_WHITE, COLOR_BLUE, A_BOLD), \ | |
a28bcc22 JF |
662 | LINE(MAIN_DATE, "", COLOR_BLUE, COLOR_DEFAULT, 0), \ |
663 | LINE(MAIN_AUTHOR, "", COLOR_GREEN, COLOR_DEFAULT, 0), \ | |
664 | LINE(MAIN_COMMIT, "", COLOR_DEFAULT, COLOR_DEFAULT, 0), \ | |
c34d9c9f JF |
665 | LINE(MAIN_DELIM, "", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
666 | LINE(MAIN_TAG, "", COLOR_MAGENTA, COLOR_DEFAULT, A_BOLD), \ | |
2384880b | 667 | LINE(MAIN_LOCAL_TAG,"", COLOR_MAGENTA, COLOR_DEFAULT, A_BOLD), \ |
e15ec88e | 668 | LINE(MAIN_REMOTE, "", COLOR_YELLOW, COLOR_DEFAULT, A_BOLD), \ |
660e09ad | 669 | LINE(MAIN_REF, "", COLOR_CYAN, COLOR_DEFAULT, A_BOLD), \ |
f83b1c33 | 670 | LINE(MAIN_REVGRAPH,"", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
e733ee54 | 671 | LINE(TREE_DIR, "", COLOR_DEFAULT, COLOR_DEFAULT, A_NORMAL), \ |
173d76ea | 672 | LINE(TREE_FILE, "", COLOR_DEFAULT, COLOR_DEFAULT, A_NORMAL), \ |
53924375 | 673 | LINE(STAT_SECTION, "", COLOR_CYAN, COLOR_DEFAULT, 0), \ |
173d76ea | 674 | LINE(STAT_NONE, "", COLOR_DEFAULT, COLOR_DEFAULT, 0), \ |
53924375 JF |
675 | LINE(STAT_STAGED, "", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
676 | LINE(STAT_UNSTAGED,"", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ | |
8a680988 JF |
677 | LINE(STAT_UNTRACKED,"", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
678 | LINE(BLAME_DATE, "", COLOR_BLUE, COLOR_DEFAULT, 0), \ | |
679 | LINE(BLAME_AUTHOR, "", COLOR_GREEN, COLOR_DEFAULT, 0), \ | |
680 | LINE(BLAME_COMMIT, "", COLOR_DEFAULT, COLOR_DEFAULT, 0), \ | |
681 | LINE(BLAME_ID, "", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ | |
682 | LINE(BLAME_LINENO, "", COLOR_CYAN, COLOR_DEFAULT, 0) | |
660e09ad | 683 | |
78c70acd | 684 | enum line_type { |
2e8488b4 JF |
685 | #define LINE(type, line, fg, bg, attr) \ |
686 | LINE_##type | |
687 | LINE_INFO | |
688 | #undef LINE | |
78c70acd JF |
689 | }; |
690 | ||
691 | struct line_info { | |
660e09ad JF |
692 | const char *name; /* Option name. */ |
693 | int namelen; /* Size of option name. */ | |
4685845e | 694 | const char *line; /* The start of line to match. */ |
2e8488b4 JF |
695 | int linelen; /* Size of string to match. */ |
696 | int fg, bg, attr; /* Color and text attributes for the lines. */ | |
78c70acd JF |
697 | }; |
698 | ||
2e8488b4 | 699 | static struct line_info line_info[] = { |
78c70acd | 700 | #define LINE(type, line, fg, bg, attr) \ |
660e09ad | 701 | { #type, STRING_SIZE(#type), (line), STRING_SIZE(line), (fg), (bg), (attr) } |
2e8488b4 JF |
702 | LINE_INFO |
703 | #undef LINE | |
78c70acd JF |
704 | }; |
705 | ||
2e8488b4 JF |
706 | static enum line_type |
707 | get_line_type(char *line) | |
78c70acd JF |
708 | { |
709 | int linelen = strlen(line); | |
a28bcc22 | 710 | enum line_type type; |
78c70acd | 711 | |
a28bcc22 | 712 | for (type = 0; type < ARRAY_SIZE(line_info); type++) |
2e8488b4 | 713 | /* Case insensitive search matches Signed-off-by lines better. */ |
a28bcc22 JF |
714 | if (linelen >= line_info[type].linelen && |
715 | !strncasecmp(line_info[type].line, line, line_info[type].linelen)) | |
716 | return type; | |
78c70acd | 717 | |
2e8488b4 | 718 | return LINE_DEFAULT; |
78c70acd JF |
719 | } |
720 | ||
2e8488b4 | 721 | static inline int |
78c70acd JF |
722 | get_line_attr(enum line_type type) |
723 | { | |
2e8488b4 JF |
724 | assert(type < ARRAY_SIZE(line_info)); |
725 | return COLOR_PAIR(type) | line_info[type].attr; | |
78c70acd JF |
726 | } |
727 | ||
660e09ad JF |
728 | static struct line_info * |
729 | get_line_info(char *name, int namelen) | |
730 | { | |
731 | enum line_type type; | |
660e09ad JF |
732 | |
733 | for (type = 0; type < ARRAY_SIZE(line_info); type++) | |
734 | if (namelen == line_info[type].namelen && | |
201f5a18 | 735 | !string_enum_compare(line_info[type].name, name, namelen)) |
660e09ad JF |
736 | return &line_info[type]; |
737 | ||
738 | return NULL; | |
739 | } | |
740 | ||
78c70acd JF |
741 | static void |
742 | init_colors(void) | |
743 | { | |
62c7d1a7 JF |
744 | int default_bg = line_info[LINE_DEFAULT].bg; |
745 | int default_fg = line_info[LINE_DEFAULT].fg; | |
a28bcc22 | 746 | enum line_type type; |
78c70acd JF |
747 | |
748 | start_color(); | |
749 | ||
62c7d1a7 JF |
750 | if (assume_default_colors(default_fg, default_bg) == ERR) { |
751 | default_bg = COLOR_BLACK; | |
752 | default_fg = COLOR_WHITE; | |
78c70acd JF |
753 | } |
754 | ||
a28bcc22 JF |
755 | for (type = 0; type < ARRAY_SIZE(line_info); type++) { |
756 | struct line_info *info = &line_info[type]; | |
82e78006 JF |
757 | int bg = info->bg == COLOR_DEFAULT ? default_bg : info->bg; |
758 | int fg = info->fg == COLOR_DEFAULT ? default_fg : info->fg; | |
78c70acd | 759 | |
a28bcc22 | 760 | init_pair(type, fg, bg); |
78c70acd JF |
761 | } |
762 | } | |
763 | ||
fe7233c3 JF |
764 | struct line { |
765 | enum line_type type; | |
3c571d67 JF |
766 | |
767 | /* State flags */ | |
768 | unsigned int selected:1; | |
8a680988 | 769 | unsigned int dirty:1; |
3c571d67 | 770 | |
fe7233c3 JF |
771 | void *data; /* User data */ |
772 | }; | |
773 | ||
78c70acd | 774 | |
1899507c | 775 | /* |
37157fa0 JF |
776 | * Keys |
777 | */ | |
778 | ||
93a97d86 | 779 | struct keybinding { |
37157fa0 | 780 | int alias; |
93a97d86 | 781 | enum request request; |
04e2b7b2 | 782 | struct keybinding *next; |
37157fa0 JF |
783 | }; |
784 | ||
93a97d86 | 785 | static struct keybinding default_keybindings[] = { |
37157fa0 JF |
786 | /* View switching */ |
787 | { 'm', REQ_VIEW_MAIN }, | |
788 | { 'd', REQ_VIEW_DIFF }, | |
789 | { 'l', REQ_VIEW_LOG }, | |
e733ee54 | 790 | { 't', REQ_VIEW_TREE }, |
0001fc34 | 791 | { 'f', REQ_VIEW_BLOB }, |
8a680988 | 792 | { 'B', REQ_VIEW_BLAME }, |
37157fa0 JF |
793 | { 'p', REQ_VIEW_PAGER }, |
794 | { 'h', REQ_VIEW_HELP }, | |
173d76ea | 795 | { 'S', REQ_VIEW_STATUS }, |
3e634113 | 796 | { 'c', REQ_VIEW_STAGE }, |
37157fa0 JF |
797 | |
798 | /* View manipulation */ | |
799 | { 'q', REQ_VIEW_CLOSE }, | |
800 | { KEY_TAB, REQ_VIEW_NEXT }, | |
801 | { KEY_RETURN, REQ_ENTER }, | |
802 | { KEY_UP, REQ_PREVIOUS }, | |
803 | { KEY_DOWN, REQ_NEXT }, | |
acaef3b3 | 804 | { 'R', REQ_REFRESH }, |
37157fa0 JF |
805 | |
806 | /* Cursor navigation */ | |
807 | { 'k', REQ_MOVE_UP }, | |
808 | { 'j', REQ_MOVE_DOWN }, | |
809 | { KEY_HOME, REQ_MOVE_FIRST_LINE }, | |
810 | { KEY_END, REQ_MOVE_LAST_LINE }, | |
811 | { KEY_NPAGE, REQ_MOVE_PAGE_DOWN }, | |
812 | { ' ', REQ_MOVE_PAGE_DOWN }, | |
813 | { KEY_PPAGE, REQ_MOVE_PAGE_UP }, | |
814 | { 'b', REQ_MOVE_PAGE_UP }, | |
815 | { '-', REQ_MOVE_PAGE_UP }, | |
816 | ||
817 | /* Scrolling */ | |
818 | { KEY_IC, REQ_SCROLL_LINE_UP }, | |
819 | { KEY_DC, REQ_SCROLL_LINE_DOWN }, | |
820 | { 'w', REQ_SCROLL_PAGE_UP }, | |
821 | { 's', REQ_SCROLL_PAGE_DOWN }, | |
822 | ||
4af34daa JF |
823 | /* Searching */ |
824 | { '/', REQ_SEARCH }, | |
825 | { '?', REQ_SEARCH_BACK }, | |
826 | { 'n', REQ_FIND_NEXT }, | |
827 | { 'N', REQ_FIND_PREV }, | |
828 | ||
37157fa0 JF |
829 | /* Misc */ |
830 | { 'Q', REQ_QUIT }, | |
831 | { 'z', REQ_STOP_LOADING }, | |
832 | { 'v', REQ_SHOW_VERSION }, | |
833 | { 'r', REQ_SCREEN_REDRAW }, | |
904e68d8 | 834 | { '.', REQ_TOGGLE_LINENO }, |
823057f4 DV |
835 | { 'D', REQ_TOGGLE_DATE }, |
836 | { 'A', REQ_TOGGLE_AUTHOR }, | |
73fb51d5 | 837 | { 'g', REQ_TOGGLE_REV_GRAPH }, |
823057f4 | 838 | { 'F', REQ_TOGGLE_REFS }, |
37157fa0 | 839 | { ':', REQ_PROMPT }, |
ca1d71ea | 840 | { 'u', REQ_STATUS_UPDATE }, |
b5c18d9d | 841 | { 'M', REQ_STATUS_MERGE }, |
c509eed2 | 842 | { ',', REQ_TREE_PARENT }, |
0cea0d43 | 843 | { 'e', REQ_EDIT }, |
37157fa0 | 844 | |
1d754561 | 845 | /* Using the ncurses SIGWINCH handler. */ |
37157fa0 JF |
846 | { KEY_RESIZE, REQ_SCREEN_RESIZE }, |
847 | }; | |
848 | ||
04e2b7b2 JF |
849 | #define KEYMAP_INFO \ |
850 | KEYMAP_(GENERIC), \ | |
851 | KEYMAP_(MAIN), \ | |
852 | KEYMAP_(DIFF), \ | |
853 | KEYMAP_(LOG), \ | |
e733ee54 JF |
854 | KEYMAP_(TREE), \ |
855 | KEYMAP_(BLOB), \ | |
8a680988 | 856 | KEYMAP_(BLAME), \ |
04e2b7b2 | 857 | KEYMAP_(PAGER), \ |
173d76ea | 858 | KEYMAP_(HELP), \ |
3e634113 JF |
859 | KEYMAP_(STATUS), \ |
860 | KEYMAP_(STAGE) | |
04e2b7b2 JF |
861 | |
862 | enum keymap { | |
863 | #define KEYMAP_(name) KEYMAP_##name | |
864 | KEYMAP_INFO | |
865 | #undef KEYMAP_ | |
866 | }; | |
867 | ||
868 | static struct int_map keymap_table[] = { | |
869 | #define KEYMAP_(name) { #name, STRING_SIZE(#name), KEYMAP_##name } | |
870 | KEYMAP_INFO | |
871 | #undef KEYMAP_ | |
872 | }; | |
873 | ||
874 | #define set_keymap(map, name) \ | |
875 | set_from_int_map(keymap_table, ARRAY_SIZE(keymap_table), map, name, strlen(name)) | |
876 | ||
877 | static struct keybinding *keybindings[ARRAY_SIZE(keymap_table)]; | |
878 | ||
879 | static void | |
880 | add_keybinding(enum keymap keymap, enum request request, int key) | |
881 | { | |
882 | struct keybinding *keybinding; | |
883 | ||
884 | keybinding = calloc(1, sizeof(*keybinding)); | |
885 | if (!keybinding) | |
886 | die("Failed to allocate keybinding"); | |
887 | ||
888 | keybinding->alias = key; | |
889 | keybinding->request = request; | |
890 | keybinding->next = keybindings[keymap]; | |
891 | keybindings[keymap] = keybinding; | |
892 | } | |
893 | ||
894 | /* Looks for a key binding first in the given map, then in the generic map, and | |
895 | * lastly in the default keybindings. */ | |
37157fa0 | 896 | static enum request |
04e2b7b2 | 897 | get_keybinding(enum keymap keymap, int key) |
37157fa0 | 898 | { |
04e2b7b2 | 899 | struct keybinding *kbd; |
37157fa0 JF |
900 | int i; |
901 | ||
04e2b7b2 JF |
902 | for (kbd = keybindings[keymap]; kbd; kbd = kbd->next) |
903 | if (kbd->alias == key) | |
904 | return kbd->request; | |
905 | ||
906 | for (kbd = keybindings[KEYMAP_GENERIC]; kbd; kbd = kbd->next) | |
907 | if (kbd->alias == key) | |
908 | return kbd->request; | |
909 | ||
93a97d86 JF |
910 | for (i = 0; i < ARRAY_SIZE(default_keybindings); i++) |
911 | if (default_keybindings[i].alias == key) | |
912 | return default_keybindings[i].request; | |
37157fa0 JF |
913 | |
914 | return (enum request) key; | |
915 | } | |
916 | ||
93a97d86 | 917 | |
37157fa0 JF |
918 | struct key { |
919 | char *name; | |
920 | int value; | |
921 | }; | |
922 | ||
923 | static struct key key_table[] = { | |
924 | { "Enter", KEY_RETURN }, | |
925 | { "Space", ' ' }, | |
926 | { "Backspace", KEY_BACKSPACE }, | |
927 | { "Tab", KEY_TAB }, | |
928 | { "Escape", KEY_ESC }, | |
929 | { "Left", KEY_LEFT }, | |
930 | { "Right", KEY_RIGHT }, | |
931 | { "Up", KEY_UP }, | |
932 | { "Down", KEY_DOWN }, | |
933 | { "Insert", KEY_IC }, | |
934 | { "Delete", KEY_DC }, | |
74f83ee6 | 935 | { "Hash", '#' }, |
37157fa0 JF |
936 | { "Home", KEY_HOME }, |
937 | { "End", KEY_END }, | |
938 | { "PageUp", KEY_PPAGE }, | |
939 | { "PageDown", KEY_NPAGE }, | |
940 | { "F1", KEY_F(1) }, | |
941 | { "F2", KEY_F(2) }, | |
942 | { "F3", KEY_F(3) }, | |
943 | { "F4", KEY_F(4) }, | |
944 | { "F5", KEY_F(5) }, | |
945 | { "F6", KEY_F(6) }, | |
946 | { "F7", KEY_F(7) }, | |
947 | { "F8", KEY_F(8) }, | |
948 | { "F9", KEY_F(9) }, | |
949 | { "F10", KEY_F(10) }, | |
950 | { "F11", KEY_F(11) }, | |
951 | { "F12", KEY_F(12) }, | |
952 | }; | |
953 | ||
04e2b7b2 JF |
954 | static int |
955 | get_key_value(const char *name) | |
956 | { | |
957 | int i; | |
958 | ||
959 | for (i = 0; i < ARRAY_SIZE(key_table); i++) | |
960 | if (!strcasecmp(key_table[i].name, name)) | |
961 | return key_table[i].value; | |
962 | ||
963 | if (strlen(name) == 1 && isprint(*name)) | |
964 | return (int) *name; | |
965 | ||
966 | return ERR; | |
967 | } | |
968 | ||
37157fa0 | 969 | static char * |
9eb14b72 JF |
970 | get_key_name(int key_value) |
971 | { | |
972 | static char key_char[] = "'X'"; | |
973 | char *seq = NULL; | |
974 | int key; | |
975 | ||
976 | for (key = 0; key < ARRAY_SIZE(key_table); key++) | |
977 | if (key_table[key].value == key_value) | |
978 | seq = key_table[key].name; | |
979 | ||
980 | if (seq == NULL && | |
981 | key_value < 127 && | |
982 | isprint(key_value)) { | |
983 | key_char[1] = (char) key_value; | |
984 | seq = key_char; | |
985 | } | |
986 | ||
987 | return seq ? seq : "'?'"; | |
988 | } | |
989 | ||
990 | static char * | |
37157fa0 JF |
991 | get_key(enum request request) |
992 | { | |
993 | static char buf[BUFSIZ]; | |
d65ced0d | 994 | size_t pos = 0; |
520094b4 | 995 | char *sep = ""; |
37157fa0 JF |
996 | int i; |
997 | ||
998 | buf[pos] = 0; | |
999 | ||
93a97d86 JF |
1000 | for (i = 0; i < ARRAY_SIZE(default_keybindings); i++) { |
1001 | struct keybinding *keybinding = &default_keybindings[i]; | |
37157fa0 | 1002 | |
93a97d86 | 1003 | if (keybinding->request != request) |
37157fa0 JF |
1004 | continue; |
1005 | ||
738bee4a JF |
1006 | if (!string_format_from(buf, &pos, "%s%s", sep, |
1007 | get_key_name(keybinding->alias))) | |
37157fa0 JF |
1008 | return "Too many keybindings!"; |
1009 | sep = ", "; | |
1010 | } | |
1011 | ||
1012 | return buf; | |
1013 | } | |
1014 | ||
9eb14b72 JF |
1015 | struct run_request { |
1016 | enum keymap keymap; | |
1017 | int key; | |
1018 | char cmd[SIZEOF_STR]; | |
1019 | }; | |
1020 | ||
1021 | static struct run_request *run_request; | |
1022 | static size_t run_requests; | |
1023 | ||
1024 | static enum request | |
1025 | add_run_request(enum keymap keymap, int key, int argc, char **argv) | |
1026 | { | |
1027 | struct run_request *tmp; | |
1028 | struct run_request req = { keymap, key }; | |
1029 | size_t bufpos; | |
1030 | ||
1031 | for (bufpos = 0; argc > 0; argc--, argv++) | |
1032 | if (!string_format_from(req.cmd, &bufpos, "%s ", *argv)) | |
1033 | return REQ_NONE; | |
1034 | ||
1035 | req.cmd[bufpos - 1] = 0; | |
1036 | ||
1037 | tmp = realloc(run_request, (run_requests + 1) * sizeof(*run_request)); | |
1038 | if (!tmp) | |
1039 | return REQ_NONE; | |
1040 | ||
1041 | run_request = tmp; | |
1042 | run_request[run_requests++] = req; | |
1043 | ||
1044 | return REQ_NONE + run_requests; | |
1045 | } | |
1046 | ||
1047 | static struct run_request * | |
1048 | get_run_request(enum request request) | |
1049 | { | |
1050 | if (request <= REQ_NONE) | |
1051 | return NULL; | |
1052 | return &run_request[request - REQ_NONE - 1]; | |
1053 | } | |
37157fa0 | 1054 | |
f655964f JF |
1055 | static void |
1056 | add_builtin_run_requests(void) | |
1057 | { | |
1058 | struct { | |
1059 | enum keymap keymap; | |
1060 | int key; | |
1061 | char *argv[1]; | |
1062 | } reqs[] = { | |
1063 | { KEYMAP_MAIN, 'C', { "git cherry-pick %(commit)" } }, | |
1064 | { KEYMAP_GENERIC, 'G', { "git gc" } }, | |
1065 | }; | |
1066 | int i; | |
1067 | ||
1068 | for (i = 0; i < ARRAY_SIZE(reqs); i++) { | |
1069 | enum request req; | |
1070 | ||
1071 | req = add_run_request(reqs[i].keymap, reqs[i].key, 1, reqs[i].argv); | |
1072 | if (req != REQ_NONE) | |
1073 | add_keybinding(reqs[i].keymap, req, reqs[i].key); | |
1074 | } | |
1075 | } | |
1076 | ||
37157fa0 | 1077 | /* |
1899507c JF |
1078 | * User config file handling. |
1079 | */ | |
1080 | ||
5dc795f2 JF |
1081 | static struct int_map color_map[] = { |
1082 | #define COLOR_MAP(name) { #name, STRING_SIZE(#name), COLOR_##name } | |
1083 | COLOR_MAP(DEFAULT), | |
1084 | COLOR_MAP(BLACK), | |
1085 | COLOR_MAP(BLUE), | |
1086 | COLOR_MAP(CYAN), | |
1087 | COLOR_MAP(GREEN), | |
1088 | COLOR_MAP(MAGENTA), | |
1089 | COLOR_MAP(RED), | |
1090 | COLOR_MAP(WHITE), | |
1091 | COLOR_MAP(YELLOW), | |
1092 | }; | |
1093 | ||
9256ab05 JF |
1094 | #define set_color(color, name) \ |
1095 | set_from_int_map(color_map, ARRAY_SIZE(color_map), color, name, strlen(name)) | |
660e09ad | 1096 | |
5dc795f2 JF |
1097 | static struct int_map attr_map[] = { |
1098 | #define ATTR_MAP(name) { #name, STRING_SIZE(#name), A_##name } | |
1099 | ATTR_MAP(NORMAL), | |
1100 | ATTR_MAP(BLINK), | |
1101 | ATTR_MAP(BOLD), | |
1102 | ATTR_MAP(DIM), | |
1103 | ATTR_MAP(REVERSE), | |
1104 | ATTR_MAP(STANDOUT), | |
1105 | ATTR_MAP(UNDERLINE), | |
1106 | }; | |
1107 | ||
9256ab05 JF |
1108 | #define set_attribute(attr, name) \ |
1109 | set_from_int_map(attr_map, ARRAY_SIZE(attr_map), attr, name, strlen(name)) | |
660e09ad | 1110 | |
3c3801c2 JF |
1111 | static int config_lineno; |
1112 | static bool config_errors; | |
1113 | static char *config_msg; | |
1114 | ||
5bfd96c7 | 1115 | /* Wants: object fgcolor bgcolor [attr] */ |
660e09ad | 1116 | static int |
5bfd96c7 | 1117 | option_color_command(int argc, char *argv[]) |
660e09ad | 1118 | { |
bca8fcaa JF |
1119 | struct line_info *info; |
1120 | ||
9256ab05 JF |
1121 | if (argc != 3 && argc != 4) { |
1122 | config_msg = "Wrong number of arguments given to color command"; | |
1123 | return ERR; | |
1124 | } | |
1125 | ||
1126 | info = get_line_info(argv[0], strlen(argv[0])); | |
bca8fcaa JF |
1127 | if (!info) { |
1128 | config_msg = "Unknown color name"; | |
1129 | return ERR; | |
1130 | } | |
660e09ad | 1131 | |
a3653368 JF |
1132 | if (set_color(&info->fg, argv[1]) == ERR || |
1133 | set_color(&info->bg, argv[2]) == ERR) { | |
bca8fcaa JF |
1134 | config_msg = "Unknown color"; |
1135 | return ERR; | |
1136 | } | |
660e09ad | 1137 | |
9256ab05 | 1138 | if (argc == 4 && set_attribute(&info->attr, argv[3]) == ERR) { |
bca8fcaa JF |
1139 | config_msg = "Unknown attribute"; |
1140 | return ERR; | |
660e09ad JF |
1141 | } |
1142 | ||
bca8fcaa JF |
1143 | return OK; |
1144 | } | |
1145 | ||
8d762458 DV |
1146 | static bool parse_bool(const char *s) |
1147 | { | |
1148 | return (!strcmp(s, "1") || !strcmp(s, "true") || | |
1149 | !strcmp(s, "yes")) ? TRUE : FALSE; | |
1150 | } | |
1151 | ||
5bfd96c7 JF |
1152 | /* Wants: name = value */ |
1153 | static int | |
1154 | option_set_command(int argc, char *argv[]) | |
1155 | { | |
1156 | if (argc != 3) { | |
1157 | config_msg = "Wrong number of arguments given to set command"; | |
1158 | return ERR; | |
1159 | } | |
1160 | ||
1161 | if (strcmp(argv[1], "=")) { | |
1162 | config_msg = "No value assigned"; | |
1163 | return ERR; | |
1164 | } | |
1165 | ||
8d762458 DV |
1166 | if (!strcmp(argv[0], "show-author")) { |
1167 | opt_author = parse_bool(argv[2]); | |
1168 | return OK; | |
1169 | } | |
1170 | ||
1171 | if (!strcmp(argv[0], "show-date")) { | |
1172 | opt_date = parse_bool(argv[2]); | |
1173 | return OK; | |
1174 | } | |
1175 | ||
5bfd96c7 | 1176 | if (!strcmp(argv[0], "show-rev-graph")) { |
8d762458 DV |
1177 | opt_rev_graph = parse_bool(argv[2]); |
1178 | return OK; | |
1179 | } | |
1180 | ||
1181 | if (!strcmp(argv[0], "show-refs")) { | |
1182 | opt_show_refs = parse_bool(argv[2]); | |
1183 | return OK; | |
1184 | } | |
1185 | ||
1186 | if (!strcmp(argv[0], "show-line-numbers")) { | |
1187 | opt_line_number = parse_bool(argv[2]); | |
5bfd96c7 JF |
1188 | return OK; |
1189 | } | |
1190 | ||
1191 | if (!strcmp(argv[0], "line-number-interval")) { | |
1192 | opt_num_interval = atoi(argv[2]); | |
1193 | return OK; | |
1194 | } | |
1195 | ||
1196 | if (!strcmp(argv[0], "tab-size")) { | |
1197 | opt_tab_size = atoi(argv[2]); | |
1198 | return OK; | |
1199 | } | |
1200 | ||
cb7267ee | 1201 | if (!strcmp(argv[0], "commit-encoding")) { |
3cc9a4d4 JF |
1202 | char *arg = argv[2]; |
1203 | int delimiter = *arg; | |
1204 | int i; | |
1205 | ||
1206 | switch (delimiter) { | |
1207 | case '"': | |
1208 | case '\'': | |
1209 | for (arg++, i = 0; arg[i]; i++) | |
1210 | if (arg[i] == delimiter) { | |
1211 | arg[i] = 0; | |
1212 | break; | |
1213 | } | |
1214 | default: | |
739e81de | 1215 | string_ncopy(opt_encoding, arg, strlen(arg)); |
3cc9a4d4 JF |
1216 | return OK; |
1217 | } | |
5bfd96c7 JF |
1218 | } |
1219 | ||
a3653368 | 1220 | config_msg = "Unknown variable name"; |
5bfd96c7 JF |
1221 | return ERR; |
1222 | } | |
1223 | ||
04e2b7b2 JF |
1224 | /* Wants: mode request key */ |
1225 | static int | |
1226 | option_bind_command(int argc, char *argv[]) | |
1227 | { | |
1228 | enum request request; | |
1229 | int keymap; | |
1230 | int key; | |
1231 | ||
9eb14b72 | 1232 | if (argc < 3) { |
04e2b7b2 JF |
1233 | config_msg = "Wrong number of arguments given to bind command"; |
1234 | return ERR; | |
1235 | } | |
1236 | ||
1237 | if (set_keymap(&keymap, argv[0]) == ERR) { | |
1238 | config_msg = "Unknown key map"; | |
1239 | return ERR; | |
1240 | } | |
1241 | ||
1242 | key = get_key_value(argv[1]); | |
1243 | if (key == ERR) { | |
1244 | config_msg = "Unknown key"; | |
1245 | return ERR; | |
1246 | } | |
1247 | ||
1248 | request = get_request(argv[2]); | |
f40385ae | 1249 | if (request == REQ_NONE) { |
f655964f JF |
1250 | const char *obsolete[] = { "cherry-pick" }; |
1251 | size_t namelen = strlen(argv[2]); | |
1252 | int i; | |
1253 | ||
1254 | for (i = 0; i < ARRAY_SIZE(obsolete); i++) { | |
1255 | if (namelen == strlen(obsolete[i]) && | |
1256 | !string_enum_compare(obsolete[i], argv[2], namelen)) { | |
1257 | config_msg = "Obsolete request name"; | |
1258 | return ERR; | |
1259 | } | |
1260 | } | |
1261 | } | |
9eb14b72 JF |
1262 | if (request == REQ_NONE && *argv[2]++ == '!') |
1263 | request = add_run_request(keymap, key, argc - 2, argv + 2); | |
d31a629d | 1264 | if (request == REQ_NONE) { |
04e2b7b2 JF |
1265 | config_msg = "Unknown request name"; |
1266 | return ERR; | |
1267 | } | |
1268 | ||
1269 | add_keybinding(keymap, request, key); | |
1270 | ||
1271 | return OK; | |
1272 | } | |
1273 | ||
bca8fcaa | 1274 | static int |
9256ab05 | 1275 | set_option(char *opt, char *value) |
bca8fcaa | 1276 | { |
9256ab05 JF |
1277 | char *argv[16]; |
1278 | int valuelen; | |
1279 | int argc = 0; | |
1280 | ||
1281 | /* Tokenize */ | |
1282 | while (argc < ARRAY_SIZE(argv) && (valuelen = strcspn(value, " \t"))) { | |
1283 | argv[argc++] = value; | |
9256ab05 | 1284 | value += valuelen; |
b86250da JF |
1285 | |
1286 | /* Nothing more to tokenize or last available token. */ | |
1287 | if (!*value || argc >= ARRAY_SIZE(argv)) | |
9256ab05 JF |
1288 | break; |
1289 | ||
1290 | *value++ = 0; | |
1291 | while (isspace(*value)) | |
1292 | value++; | |
1293 | } | |
1294 | ||
1295 | if (!strcmp(opt, "color")) | |
5bfd96c7 JF |
1296 | return option_color_command(argc, argv); |
1297 | ||
1298 | if (!strcmp(opt, "set")) | |
1299 | return option_set_command(argc, argv); | |
bca8fcaa | 1300 | |
04e2b7b2 JF |
1301 | if (!strcmp(opt, "bind")) |
1302 | return option_bind_command(argc, argv); | |
1303 | ||
a3653368 | 1304 | config_msg = "Unknown option command"; |
660e09ad JF |
1305 | return ERR; |
1306 | } | |
1307 | ||
1308 | static int | |
5699e0cf | 1309 | read_option(char *opt, size_t optlen, char *value, size_t valuelen) |
3c3801c2 | 1310 | { |
a3653368 JF |
1311 | int status = OK; |
1312 | ||
3c3801c2 JF |
1313 | config_lineno++; |
1314 | config_msg = "Internal error"; | |
1315 | ||
a3653368 JF |
1316 | /* Check for comment markers, since read_properties() will |
1317 | * only ensure opt and value are split at first " \t". */ | |
74f83ee6 | 1318 | optlen = strcspn(opt, "#"); |
a3653368 | 1319 | if (optlen == 0) |
3c3801c2 JF |
1320 | return OK; |
1321 | ||
a3653368 JF |
1322 | if (opt[optlen] != 0) { |
1323 | config_msg = "No option value"; | |
1324 | status = ERR; | |
1325 | ||
1326 | } else { | |
1327 | /* Look for comment endings in the value. */ | |
5699e0cf | 1328 | size_t len = strcspn(value, "#"); |
a3653368 JF |
1329 | |
1330 | if (len < valuelen) { | |
1331 | valuelen = len; | |
1332 | value[valuelen] = 0; | |
1333 | } | |
1334 | ||
1335 | status = set_option(opt, value); | |
3c3801c2 JF |
1336 | } |
1337 | ||
a3653368 JF |
1338 | if (status == ERR) { |
1339 | fprintf(stderr, "Error on line %d, near '%.*s': %s\n", | |
07c3971e | 1340 | config_lineno, (int) optlen, opt, config_msg); |
3c3801c2 JF |
1341 | config_errors = TRUE; |
1342 | } | |
1343 | ||
1344 | /* Always keep going if errors are encountered. */ | |
1345 | return OK; | |
1346 | } | |
1347 | ||
b6607e7e DV |
1348 | static void |
1349 | load_option_file(const char *path) | |
660e09ad | 1350 | { |
660e09ad JF |
1351 | FILE *file; |
1352 | ||
b6607e7e DV |
1353 | /* It's ok that the file doesn't exist. */ |
1354 | file = fopen(path, "r"); | |
1355 | if (!file) | |
1356 | return; | |
1357 | ||
3c3801c2 JF |
1358 | config_lineno = 0; |
1359 | config_errors = FALSE; | |
1360 | ||
b6607e7e DV |
1361 | if (read_properties(file, " \t", read_option) == ERR || |
1362 | config_errors == TRUE) | |
1363 | fprintf(stderr, "Errors while loading %s.\n", path); | |
1364 | } | |
f655964f | 1365 | |
b6607e7e DV |
1366 | static int |
1367 | load_options(void) | |
1368 | { | |
1369 | char *home = getenv("HOME"); | |
1370 | char *tigrc_user = getenv("TIGRC_USER"); | |
1371 | char *tigrc_system = getenv("TIGRC_SYSTEM"); | |
1372 | char buf[SIZEOF_STR]; | |
660e09ad | 1373 | |
b6607e7e | 1374 | add_builtin_run_requests(); |
660e09ad | 1375 | |
b6607e7e DV |
1376 | if (!tigrc_system) { |
1377 | if (!string_format(buf, "%s/tigrc", SYSCONFDIR)) | |
1378 | return ERR; | |
1379 | tigrc_system = buf; | |
1380 | } | |
1381 | load_option_file(tigrc_system); | |
1382 | ||
1383 | if (!tigrc_user) { | |
1384 | if (!home || !string_format(buf, "%s/.tigrc", home)) | |
1385 | return ERR; | |
1386 | tigrc_user = buf; | |
1387 | } | |
1388 | load_option_file(tigrc_user); | |
3c3801c2 JF |
1389 | |
1390 | return OK; | |
660e09ad JF |
1391 | } |
1392 | ||
1393 | ||
d839253b | 1394 | /* |
468876c9 | 1395 | * The viewer |
d839253b | 1396 | */ |
c2124ccd JF |
1397 | |
1398 | struct view; | |
fe7233c3 | 1399 | struct view_ops; |
c2124ccd JF |
1400 | |
1401 | /* The display array of active views and the index of the current view. */ | |
1402 | static struct view *display[2]; | |
1403 | static unsigned int current_view; | |
1404 | ||
ab4af23e JF |
1405 | /* Reading from the prompt? */ |
1406 | static bool input_mode = FALSE; | |
1407 | ||
33c4f9ea | 1408 | #define foreach_displayed_view(view, i) \ |
c2124ccd JF |
1409 | for (i = 0; i < ARRAY_SIZE(display) && (view = display[i]); i++) |
1410 | ||
9f41488f | 1411 | #define displayed_views() (display[1] != NULL ? 2 : 1) |
c2124ccd | 1412 | |
d839253b | 1413 | /* Current head and commit ID */ |
e733ee54 | 1414 | static char ref_blob[SIZEOF_REF] = ""; |
c2124ccd JF |
1415 | static char ref_commit[SIZEOF_REF] = "HEAD"; |
1416 | static char ref_head[SIZEOF_REF] = "HEAD"; | |
1417 | ||
b801d8b2 | 1418 | struct view { |
03a93dbb | 1419 | const char *name; /* View name */ |
4685845e TH |
1420 | const char *cmd_fmt; /* Default command line format */ |
1421 | const char *cmd_env; /* Command line set via environment */ | |
e733ee54 | 1422 | const char *id; /* Points to either of ref_{head,commit,blob} */ |
6b161b31 | 1423 | |
fe7233c3 | 1424 | struct view_ops *ops; /* View operations */ |
22f66b0a | 1425 | |
04e2b7b2 JF |
1426 | enum keymap keymap; /* What keymap does this view have */ |
1427 | ||
17482b11 | 1428 | char cmd[SIZEOF_STR]; /* Command buffer */ |
49f2b43f JF |
1429 | char ref[SIZEOF_REF]; /* Hovered commit reference */ |
1430 | char vid[SIZEOF_REF]; /* View ID. Set to id member when updating. */ | |
2e8488b4 | 1431 | |
8855ada4 JF |
1432 | int height, width; /* The width and height of the main window */ |
1433 | WINDOW *win; /* The main window */ | |
1434 | WINDOW *title; /* The title window living below the main window */ | |
b801d8b2 JF |
1435 | |
1436 | /* Navigation */ | |
1437 | unsigned long offset; /* Offset of the window top */ | |
1438 | unsigned long lineno; /* Current line number */ | |
1439 | ||
4af34daa JF |
1440 | /* Searching */ |
1441 | char grep[SIZEOF_STR]; /* Search string */ | |
b77b2cb8 | 1442 | regex_t *regex; /* Pre-compiled regex */ |
4af34daa | 1443 | |
f6da0b66 JF |
1444 | /* If non-NULL, points to the view that opened this view. If this view |
1445 | * is closed tig will switch back to the parent view. */ | |
1446 | struct view *parent; | |
1447 | ||
b801d8b2 | 1448 | /* Buffering */ |
518234f1 | 1449 | size_t lines; /* Total number of lines */ |
fe7233c3 | 1450 | struct line *line; /* Line index */ |
518234f1 DV |
1451 | size_t line_alloc; /* Total number of allocated lines */ |
1452 | size_t line_size; /* Total number of used lines */ | |
8855ada4 | 1453 | unsigned int digits; /* Number of digits in the lines member. */ |
b801d8b2 JF |
1454 | |
1455 | /* Loading */ | |
1456 | FILE *pipe; | |
2e8488b4 | 1457 | time_t start_time; |
b801d8b2 JF |
1458 | }; |
1459 | ||
fe7233c3 JF |
1460 | struct view_ops { |
1461 | /* What type of content being displayed. Used in the title bar. */ | |
1462 | const char *type; | |
f098944b JF |
1463 | /* Open and reads in all view content. */ |
1464 | bool (*open)(struct view *view); | |
fe7233c3 | 1465 | /* Read one line; updates view->line. */ |
701e4f5d | 1466 | bool (*read)(struct view *view, char *data); |
f098944b JF |
1467 | /* Draw one line; @lineno must be < view->height. */ |
1468 | bool (*draw)(struct view *view, struct line *line, unsigned int lineno, bool selected); | |
586c423d JF |
1469 | /* Depending on view handle a special requests. */ |
1470 | enum request (*request)(struct view *view, enum request request, struct line *line); | |
4af34daa JF |
1471 | /* Search for regex in a line. */ |
1472 | bool (*grep)(struct view *view, struct line *line); | |
d720de4b JF |
1473 | /* Select line */ |
1474 | void (*select)(struct view *view, struct line *line); | |
fe7233c3 JF |
1475 | }; |
1476 | ||
6b161b31 JF |
1477 | static struct view_ops pager_ops; |
1478 | static struct view_ops main_ops; | |
e733ee54 JF |
1479 | static struct view_ops tree_ops; |
1480 | static struct view_ops blob_ops; | |
8a680988 | 1481 | static struct view_ops blame_ops; |
f098944b | 1482 | static struct view_ops help_ops; |
173d76ea | 1483 | static struct view_ops status_ops; |
3e634113 | 1484 | static struct view_ops stage_ops; |
a28bcc22 | 1485 | |
04e2b7b2 JF |
1486 | #define VIEW_STR(name, cmd, env, ref, ops, map) \ |
1487 | { name, cmd, #env, ref, ops, map} | |
1ba2ae4b | 1488 | |
95d7ddcd | 1489 | #define VIEW_(id, name, ops, ref) \ |
04e2b7b2 | 1490 | VIEW_STR(name, TIG_##id##_CMD, TIG_##id##_CMD, ref, ops, KEYMAP_##id) |
1ba2ae4b | 1491 | |
c2124ccd | 1492 | |
b801d8b2 | 1493 | static struct view views[] = { |
173d76ea JF |
1494 | VIEW_(MAIN, "main", &main_ops, ref_head), |
1495 | VIEW_(DIFF, "diff", &pager_ops, ref_commit), | |
1496 | VIEW_(LOG, "log", &pager_ops, ref_head), | |
1497 | VIEW_(TREE, "tree", &tree_ops, ref_commit), | |
1498 | VIEW_(BLOB, "blob", &blob_ops, ref_blob), | |
8a680988 | 1499 | VIEW_(BLAME, "blame", &blame_ops, ref_commit), |
b64c5b75 JF |
1500 | VIEW_(HELP, "help", &help_ops, ""), |
1501 | VIEW_(PAGER, "pager", &pager_ops, "stdin"), | |
173d76ea | 1502 | VIEW_(STATUS, "status", &status_ops, ""), |
3e634113 | 1503 | VIEW_(STAGE, "stage", &stage_ops, ""), |
b801d8b2 JF |
1504 | }; |
1505 | ||
a28bcc22 JF |
1506 | #define VIEW(req) (&views[(req) - REQ_OFFSET - 1]) |
1507 | ||
699ae55b JF |
1508 | #define foreach_view(view, i) \ |
1509 | for (i = 0; i < ARRAY_SIZE(views) && (view = &views[i]); i++) | |
1510 | ||
1511 | #define view_is_displayed(view) \ | |
1512 | (view == display[0] || view == display[1]) | |
4c6fabc2 | 1513 | |
1c919d68 | 1514 | static int |
a00fff3c | 1515 | draw_text(struct view *view, const char *string, int max_len, |
1c919d68 DV |
1516 | bool use_tilde, int tilde_attr) |
1517 | { | |
71029993 | 1518 | int len = 0; |
22026548 | 1519 | int trimmed = FALSE; |
1c919d68 | 1520 | |
22026548 JF |
1521 | if (max_len <= 0) |
1522 | return 0; | |
1c919d68 | 1523 | |
22026548 JF |
1524 | if (opt_utf8) { |
1525 | len = utf8_length(string, max_len, &trimmed, use_tilde); | |
1526 | } else { | |
1527 | len = strlen(string); | |
1528 | if (len > max_len) { | |
1529 | if (use_tilde) { | |
1530 | max_len -= 1; | |
1c919d68 | 1531 | } |
22026548 JF |
1532 | len = max_len; |
1533 | trimmed = TRUE; | |
1c919d68 | 1534 | } |
22026548 JF |
1535 | } |
1536 | ||
1537 | waddnstr(view->win, string, len); | |
1538 | if (trimmed && use_tilde) { | |
1539 | if (tilde_attr != -1) | |
1540 | wattrset(view->win, tilde_attr); | |
1541 | waddch(view->win, '~'); | |
1542 | len++; | |
1c919d68 DV |
1543 | } |
1544 | ||
71029993 | 1545 | return len; |
1c919d68 DV |
1546 | } |
1547 | ||
fe7233c3 JF |
1548 | static bool |
1549 | draw_view_line(struct view *view, unsigned int lineno) | |
1550 | { | |
d720de4b | 1551 | struct line *line; |
5dcf8064 | 1552 | bool selected = (view->offset + lineno == view->lineno); |
4887d44e | 1553 | bool draw_ok; |
d720de4b | 1554 | |
699ae55b JF |
1555 | assert(view_is_displayed(view)); |
1556 | ||
fe7233c3 JF |
1557 | if (view->offset + lineno >= view->lines) |
1558 | return FALSE; | |
1559 | ||
d720de4b JF |
1560 | line = &view->line[view->offset + lineno]; |
1561 | ||
3c571d67 JF |
1562 | if (selected) { |
1563 | line->selected = TRUE; | |
d720de4b | 1564 | view->ops->select(view, line); |
3c571d67 JF |
1565 | } else if (line->selected) { |
1566 | line->selected = FALSE; | |
1567 | wmove(view->win, lineno, 0); | |
1568 | wclrtoeol(view->win); | |
1569 | } | |
d720de4b | 1570 | |
4887d44e JF |
1571 | scrollok(view->win, FALSE); |
1572 | draw_ok = view->ops->draw(view, line, lineno, selected); | |
1573 | scrollok(view->win, TRUE); | |
1574 | ||
1575 | return draw_ok; | |
fe7233c3 JF |
1576 | } |
1577 | ||
b801d8b2 | 1578 | static void |
8a680988 JF |
1579 | redraw_view_dirty(struct view *view) |
1580 | { | |
1581 | bool dirty = FALSE; | |
1582 | int lineno; | |
1583 | ||
1584 | for (lineno = 0; lineno < view->height; lineno++) { | |
1585 | struct line *line = &view->line[view->offset + lineno]; | |
1586 | ||
1587 | if (!line->dirty) | |
1588 | continue; | |
1589 | line->dirty = 0; | |
1590 | dirty = TRUE; | |
1591 | if (!draw_view_line(view, lineno)) | |
1592 | break; | |
1593 | } | |
1594 | ||
1595 | if (!dirty) | |
1596 | return; | |
1597 | redrawwin(view->win); | |
1598 | if (input_mode) | |
1599 | wnoutrefresh(view->win); | |
1600 | else | |
1601 | wrefresh(view->win); | |
1602 | } | |
1603 | ||
1604 | static void | |
82e78006 | 1605 | redraw_view_from(struct view *view, int lineno) |
b801d8b2 | 1606 | { |
82e78006 | 1607 | assert(0 <= lineno && lineno < view->height); |
b801d8b2 | 1608 | |
82e78006 | 1609 | for (; lineno < view->height; lineno++) { |
fe7233c3 | 1610 | if (!draw_view_line(view, lineno)) |
fd85fef1 | 1611 | break; |
b801d8b2 JF |
1612 | } |
1613 | ||
1614 | redrawwin(view->win); | |
ab4af23e JF |
1615 | if (input_mode) |
1616 | wnoutrefresh(view->win); | |
1617 | else | |
1618 | wrefresh(view->win); | |
b801d8b2 JF |
1619 | } |
1620 | ||
b76c2afc | 1621 | static void |
82e78006 JF |
1622 | redraw_view(struct view *view) |
1623 | { | |
1624 | wclear(view->win); | |
1625 | redraw_view_from(view, 0); | |
1626 | } | |
1627 | ||
c2124ccd | 1628 | |
6b161b31 | 1629 | static void |
81030ec8 JF |
1630 | update_view_title(struct view *view) |
1631 | { | |
3c112a88 | 1632 | char buf[SIZEOF_STR]; |
71d1c7db JF |
1633 | char state[SIZEOF_STR]; |
1634 | size_t bufpos = 0, statelen = 0; | |
81030ec8 | 1635 | |
3c112a88 | 1636 | assert(view_is_displayed(view)); |
81030ec8 | 1637 | |
249016a6 | 1638 | if (view != VIEW(REQ_VIEW_STATUS) && (view->lines || view->pipe)) { |
6d9c07af | 1639 | unsigned int view_lines = view->offset + view->height; |
c19f8017 | 1640 | unsigned int lines = view->lines |
6d9c07af | 1641 | ? MIN(view_lines, view->lines) * 100 / view->lines |
c19f8017 JF |
1642 | : 0; |
1643 | ||
71d1c7db | 1644 | string_format_from(state, &statelen, "- %s %d of %d (%d%%)", |
3c112a88 JF |
1645 | view->ops->type, |
1646 | view->lineno + 1, | |
1647 | view->lines, | |
1648 | lines); | |
81030ec8 | 1649 | |
5becf244 JF |
1650 | if (view->pipe) { |
1651 | time_t secs = time(NULL) - view->start_time; | |
f97f4012 | 1652 | |
5becf244 JF |
1653 | /* Three git seconds are a long time ... */ |
1654 | if (secs > 2) | |
71d1c7db | 1655 | string_format_from(state, &statelen, " %lds", secs); |
5becf244 | 1656 | } |
81030ec8 JF |
1657 | } |
1658 | ||
71d1c7db JF |
1659 | string_format_from(buf, &bufpos, "[%s]", view->name); |
1660 | if (*view->ref && bufpos < view->width) { | |
1661 | size_t refsize = strlen(view->ref); | |
1662 | size_t minsize = bufpos + 1 + /* abbrev= */ 7 + 1 + statelen; | |
1663 | ||
1664 | if (minsize < view->width) | |
1665 | refsize = view->width - minsize + 7; | |
d1858deb | 1666 | string_format_from(buf, &bufpos, " %.*s", (int) refsize, view->ref); |
71d1c7db | 1667 | } |
f97f4012 | 1668 | |
71d1c7db JF |
1669 | if (statelen && bufpos < view->width) { |
1670 | string_format_from(buf, &bufpos, " %s", state); | |
f97f4012 JF |
1671 | } |
1672 | ||
3c112a88 JF |
1673 | if (view == display[current_view]) |
1674 | wbkgdset(view->title, get_line_attr(LINE_TITLE_FOCUS)); | |
1675 | else | |
1676 | wbkgdset(view->title, get_line_attr(LINE_TITLE_BLUR)); | |
1677 | ||
3c112a88 | 1678 | mvwaddnstr(view->title, 0, 0, buf, bufpos); |
390a8262 | 1679 | wclrtoeol(view->title); |
976447f8 | 1680 | wmove(view->title, 0, view->width - 1); |
ab4af23e JF |
1681 | |
1682 | if (input_mode) | |
1683 | wnoutrefresh(view->title); | |
1684 | else | |
1685 | wrefresh(view->title); | |
81030ec8 JF |
1686 | } |
1687 | ||
1688 | static void | |
6b161b31 | 1689 | resize_display(void) |
b76c2afc | 1690 | { |
03a93dbb | 1691 | int offset, i; |
6b161b31 JF |
1692 | struct view *base = display[0]; |
1693 | struct view *view = display[1] ? display[1] : display[0]; | |
b76c2afc | 1694 | |
6b161b31 | 1695 | /* Setup window dimensions */ |
b76c2afc | 1696 | |
03a93dbb | 1697 | getmaxyx(stdscr, base->height, base->width); |
b76c2afc | 1698 | |
6b161b31 | 1699 | /* Make room for the status window. */ |
03a93dbb | 1700 | base->height -= 1; |
6b161b31 JF |
1701 | |
1702 | if (view != base) { | |
03a93dbb JF |
1703 | /* Horizontal split. */ |
1704 | view->width = base->width; | |
6b161b31 JF |
1705 | view->height = SCALE_SPLIT_VIEW(base->height); |
1706 | base->height -= view->height; | |
1707 | ||
1708 | /* Make room for the title bar. */ | |
1709 | view->height -= 1; | |
1710 | } | |
1711 | ||
1712 | /* Make room for the title bar. */ | |
1713 | base->height -= 1; | |
1714 | ||
1715 | offset = 0; | |
1716 | ||
33c4f9ea | 1717 | foreach_displayed_view (view, i) { |
b76c2afc | 1718 | if (!view->win) { |
c19f8017 | 1719 | view->win = newwin(view->height, 0, offset, 0); |
6b161b31 JF |
1720 | if (!view->win) |
1721 | die("Failed to create %s view", view->name); | |
1722 | ||
1723 | scrollok(view->win, TRUE); | |
1724 | ||
1725 | view->title = newwin(1, 0, offset + view->height, 0); | |
1726 | if (!view->title) | |
1727 | die("Failed to create title window"); | |
1728 | ||
1729 | } else { | |
c19f8017 | 1730 | wresize(view->win, view->height, view->width); |
6b161b31 JF |
1731 | mvwin(view->win, offset, 0); |
1732 | mvwin(view->title, offset + view->height, 0); | |
a28bcc22 | 1733 | } |
a28bcc22 | 1734 | |
6b161b31 | 1735 | offset += view->height + 1; |
b76c2afc | 1736 | } |
6b161b31 | 1737 | } |
b76c2afc | 1738 | |
6b161b31 | 1739 | static void |
20bb5e18 JF |
1740 | redraw_display(void) |
1741 | { | |
1742 | struct view *view; | |
1743 | int i; | |
1744 | ||
33c4f9ea | 1745 | foreach_displayed_view (view, i) { |
20bb5e18 JF |
1746 | redraw_view(view); |
1747 | update_view_title(view); | |
1748 | } | |
1749 | } | |
1750 | ||
85af6284 | 1751 | static void |
2bee3bde | 1752 | update_display_cursor(struct view *view) |
85af6284 | 1753 | { |
85af6284 JF |
1754 | /* Move the cursor to the right-most column of the cursor line. |
1755 | * | |
1756 | * XXX: This could turn out to be a bit expensive, but it ensures that | |
1757 | * the cursor does not jump around. */ | |
1758 | if (view->lines) { | |
1759 | wmove(view->win, view->lineno - view->offset, view->width - 1); | |
1760 | wrefresh(view->win); | |
1761 | } | |
1762 | } | |
20bb5e18 | 1763 | |
2e8488b4 JF |
1764 | /* |
1765 | * Navigation | |
1766 | */ | |
1767 | ||
4a2909a7 | 1768 | /* Scrolling backend */ |
b801d8b2 | 1769 | static void |
8c317212 | 1770 | do_scroll_view(struct view *view, int lines) |
b801d8b2 | 1771 | { |
a0087dd5 JF |
1772 | bool redraw_current_line = FALSE; |
1773 | ||
fd85fef1 JF |
1774 | /* The rendering expects the new offset. */ |
1775 | view->offset += lines; | |
1776 | ||
1777 | assert(0 <= view->offset && view->offset < view->lines); | |
1778 | assert(lines); | |
b801d8b2 | 1779 | |
a0087dd5 JF |
1780 | /* Move current line into the view. */ |
1781 | if (view->lineno < view->offset) { | |
1782 | view->lineno = view->offset; | |
1783 | redraw_current_line = TRUE; | |
1784 | } else if (view->lineno >= view->offset + view->height) { | |
1785 | view->lineno = view->offset + view->height - 1; | |
1786 | redraw_current_line = TRUE; | |
1787 | } | |
1788 | ||
1789 | assert(view->offset <= view->lineno && view->lineno < view->lines); | |
1790 | ||
82e78006 | 1791 | /* Redraw the whole screen if scrolling is pointless. */ |
4c6fabc2 | 1792 | if (view->height < ABS(lines)) { |
b76c2afc JF |
1793 | redraw_view(view); |
1794 | ||
1795 | } else { | |
22f66b0a | 1796 | int line = lines > 0 ? view->height - lines : 0; |
82e78006 | 1797 | int end = line + ABS(lines); |
fd85fef1 JF |
1798 | |
1799 | wscrl(view->win, lines); | |
1800 | ||
22f66b0a | 1801 | for (; line < end; line++) { |
fe7233c3 | 1802 | if (!draw_view_line(view, line)) |
fd85fef1 JF |
1803 | break; |
1804 | } | |
fd85fef1 | 1805 | |
a0087dd5 JF |
1806 | if (redraw_current_line) |
1807 | draw_view_line(view, view->lineno - view->offset); | |
fd85fef1 JF |
1808 | } |
1809 | ||
fd85fef1 JF |
1810 | redrawwin(view->win); |
1811 | wrefresh(view->win); | |
9d3f5834 | 1812 | report(""); |
fd85fef1 | 1813 | } |
78c70acd | 1814 | |
4a2909a7 | 1815 | /* Scroll frontend */ |
fd85fef1 | 1816 | static void |
6b161b31 | 1817 | scroll_view(struct view *view, enum request request) |
fd85fef1 JF |
1818 | { |
1819 | int lines = 1; | |
b801d8b2 | 1820 | |
8c317212 JF |
1821 | assert(view_is_displayed(view)); |
1822 | ||
b801d8b2 | 1823 | switch (request) { |
4a2909a7 | 1824 | case REQ_SCROLL_PAGE_DOWN: |
fd85fef1 | 1825 | lines = view->height; |
4a2909a7 | 1826 | case REQ_SCROLL_LINE_DOWN: |
b801d8b2 | 1827 | if (view->offset + lines > view->lines) |
bde3653a | 1828 | lines = view->lines - view->offset; |
b801d8b2 | 1829 | |
fd85fef1 | 1830 | if (lines == 0 || view->offset + view->height >= view->lines) { |
eb98559e | 1831 | report("Cannot scroll beyond the last line"); |
b801d8b2 JF |
1832 | return; |
1833 | } | |
1834 | break; | |
1835 | ||
4a2909a7 | 1836 | case REQ_SCROLL_PAGE_UP: |
fd85fef1 | 1837 | lines = view->height; |
4a2909a7 | 1838 | case REQ_SCROLL_LINE_UP: |
b801d8b2 JF |
1839 | if (lines > view->offset) |
1840 | lines = view->offset; | |
1841 | ||
1842 | if (lines == 0) { | |
eb98559e | 1843 | report("Cannot scroll beyond the first line"); |
b801d8b2 JF |
1844 | return; |
1845 | } | |
1846 | ||
fd85fef1 | 1847 | lines = -lines; |
b801d8b2 | 1848 | break; |
03a93dbb | 1849 | |
6b161b31 JF |
1850 | default: |
1851 | die("request %d not handled in switch", request); | |
b801d8b2 JF |
1852 | } |
1853 | ||
8c317212 | 1854 | do_scroll_view(view, lines); |
fd85fef1 | 1855 | } |
b801d8b2 | 1856 | |
4a2909a7 | 1857 | /* Cursor moving */ |
fd85fef1 | 1858 | static void |
8522ecc7 | 1859 | move_view(struct view *view, enum request request) |
fd85fef1 | 1860 | { |
dfaa6c81 | 1861 | int scroll_steps = 0; |
fd85fef1 | 1862 | int steps; |
b801d8b2 | 1863 | |
fd85fef1 | 1864 | switch (request) { |
4a2909a7 | 1865 | case REQ_MOVE_FIRST_LINE: |
78c70acd JF |
1866 | steps = -view->lineno; |
1867 | break; | |
1868 | ||
4a2909a7 | 1869 | case REQ_MOVE_LAST_LINE: |
78c70acd JF |
1870 | steps = view->lines - view->lineno - 1; |
1871 | break; | |
1872 | ||
4a2909a7 | 1873 | case REQ_MOVE_PAGE_UP: |
78c70acd JF |
1874 | steps = view->height > view->lineno |
1875 | ? -view->lineno : -view->height; | |
1876 | break; | |
1877 | ||
4a2909a7 | 1878 | case REQ_MOVE_PAGE_DOWN: |
78c70acd JF |
1879 | steps = view->lineno + view->height >= view->lines |
1880 | ? view->lines - view->lineno - 1 : view->height; | |
1881 | break; | |
1882 | ||
4a2909a7 | 1883 | case REQ_MOVE_UP: |
fd85fef1 JF |
1884 | steps = -1; |
1885 | break; | |
b801d8b2 | 1886 | |
4a2909a7 | 1887 | case REQ_MOVE_DOWN: |
fd85fef1 JF |
1888 | steps = 1; |
1889 | break; | |
6b161b31 JF |
1890 | |
1891 | default: | |
1892 | die("request %d not handled in switch", request); | |
78c70acd | 1893 | } |
b801d8b2 | 1894 | |
4c6fabc2 | 1895 | if (steps <= 0 && view->lineno == 0) { |
eb98559e | 1896 | report("Cannot move beyond the first line"); |
78c70acd | 1897 | return; |
b801d8b2 | 1898 | |
6908bdbd | 1899 | } else if (steps >= 0 && view->lineno + 1 >= view->lines) { |
eb98559e | 1900 | report("Cannot move beyond the last line"); |
78c70acd | 1901 | return; |
fd85fef1 JF |
1902 | } |
1903 | ||
4c6fabc2 | 1904 | /* Move the current line */ |
fd85fef1 | 1905 | view->lineno += steps; |
4c6fabc2 JF |
1906 | assert(0 <= view->lineno && view->lineno < view->lines); |
1907 | ||
4c6fabc2 | 1908 | /* Check whether the view needs to be scrolled */ |
fd85fef1 JF |
1909 | if (view->lineno < view->offset || |
1910 | view->lineno >= view->offset + view->height) { | |
dfaa6c81 | 1911 | scroll_steps = steps; |
fd85fef1 | 1912 | if (steps < 0 && -steps > view->offset) { |
dfaa6c81 | 1913 | scroll_steps = -view->offset; |
b76c2afc JF |
1914 | |
1915 | } else if (steps > 0) { | |
1916 | if (view->lineno == view->lines - 1 && | |
1917 | view->lines > view->height) { | |
dfaa6c81 JF |
1918 | scroll_steps = view->lines - view->offset - 1; |
1919 | if (scroll_steps >= view->height) | |
1920 | scroll_steps -= view->height - 1; | |
b76c2afc | 1921 | } |
b801d8b2 | 1922 | } |
8522ecc7 JF |
1923 | } |
1924 | ||
1925 | if (!view_is_displayed(view)) { | |
a3965365 JF |
1926 | view->offset += scroll_steps; |
1927 | assert(0 <= view->offset && view->offset < view->lines); | |
8522ecc7 JF |
1928 | view->ops->select(view, &view->line[view->lineno]); |
1929 | return; | |
1930 | } | |
1931 | ||
1932 | /* Repaint the old "current" line if we be scrolling */ | |
1933 | if (ABS(steps) < view->height) | |
1934 | draw_view_line(view, view->lineno - steps - view->offset); | |
1935 | ||
dfaa6c81 JF |
1936 | if (scroll_steps) { |
1937 | do_scroll_view(view, scroll_steps); | |
fd85fef1 | 1938 | return; |
b801d8b2 JF |
1939 | } |
1940 | ||
4c6fabc2 | 1941 | /* Draw the current line */ |
fe7233c3 | 1942 | draw_view_line(view, view->lineno - view->offset); |
fd85fef1 | 1943 | |
b801d8b2 JF |
1944 | redrawwin(view->win); |
1945 | wrefresh(view->win); | |
9d3f5834 | 1946 | report(""); |
b801d8b2 JF |
1947 | } |
1948 | ||
b801d8b2 | 1949 | |
2e8488b4 | 1950 | /* |
4af34daa JF |
1951 | * Searching |
1952 | */ | |
1953 | ||
c02d8fce | 1954 | static void search_view(struct view *view, enum request request); |
4af34daa JF |
1955 | |
1956 | static bool | |
1957 | find_next_line(struct view *view, unsigned long lineno, struct line *line) | |
1958 | { | |
699ae55b JF |
1959 | assert(view_is_displayed(view)); |
1960 | ||
4af34daa JF |
1961 | if (!view->ops->grep(view, line)) |
1962 | return FALSE; | |
1963 | ||
1964 | if (lineno - view->offset >= view->height) { | |
1965 | view->offset = lineno; | |
1966 | view->lineno = lineno; | |
1967 | redraw_view(view); | |
1968 | ||
1969 | } else { | |
1970 | unsigned long old_lineno = view->lineno - view->offset; | |
1971 | ||
1972 | view->lineno = lineno; | |
4af34daa JF |
1973 | draw_view_line(view, old_lineno); |
1974 | ||
1975 | draw_view_line(view, view->lineno - view->offset); | |
1976 | redrawwin(view->win); | |
1977 | wrefresh(view->win); | |
1978 | } | |
1979 | ||
1980 | report("Line %ld matches '%s'", lineno + 1, view->grep); | |
1981 | return TRUE; | |
1982 | } | |
1983 | ||
1984 | static void | |
1985 | find_next(struct view *view, enum request request) | |
1986 | { | |
1987 | unsigned long lineno = view->lineno; | |
1988 | int direction; | |
1989 | ||
1990 | if (!*view->grep) { | |
1991 | if (!*opt_search) | |
1992 | report("No previous search"); | |
1993 | else | |
c02d8fce | 1994 | search_view(view, request); |
4af34daa JF |
1995 | return; |
1996 | } | |
1997 | ||
1998 | switch (request) { | |
1999 | case REQ_SEARCH: | |
2000 | case REQ_FIND_NEXT: | |
2001 | direction = 1; | |
2002 | break; | |
2003 | ||
2004 | case REQ_SEARCH_BACK: | |
2005 | case REQ_FIND_PREV: | |
2006 | direction = -1; | |
2007 | break; | |
2008 | ||
2009 | default: | |
2010 | return; | |
2011 | } | |
2012 | ||
2013 | if (request == REQ_FIND_NEXT || request == REQ_FIND_PREV) | |
2014 | lineno += direction; | |
2015 | ||
2016 | /* Note, lineno is unsigned long so will wrap around in which case it | |
2017 | * will become bigger than view->lines. */ | |
2018 | for (; lineno < view->lines; lineno += direction) { | |
2019 | struct line *line = &view->line[lineno]; | |
2020 | ||
2021 | if (find_next_line(view, lineno, line)) | |
2022 | return; | |
2023 | } | |
2024 | ||
2025 | report("No match found for '%s'", view->grep); | |
2026 | } | |
2027 | ||
2028 | static void | |
c02d8fce | 2029 | search_view(struct view *view, enum request request) |
4af34daa JF |
2030 | { |
2031 | int regex_err; | |
2032 | ||
b77b2cb8 JF |
2033 | if (view->regex) { |
2034 | regfree(view->regex); | |
4af34daa | 2035 | *view->grep = 0; |
b77b2cb8 JF |
2036 | } else { |
2037 | view->regex = calloc(1, sizeof(*view->regex)); | |
2038 | if (!view->regex) | |
2039 | return; | |
4af34daa JF |
2040 | } |
2041 | ||
c02d8fce | 2042 | regex_err = regcomp(view->regex, opt_search, REG_EXTENDED); |
4af34daa JF |
2043 | if (regex_err != 0) { |
2044 | char buf[SIZEOF_STR] = "unknown error"; | |
2045 | ||
b77b2cb8 | 2046 | regerror(regex_err, view->regex, buf, sizeof(buf)); |
e9cacd58 | 2047 | report("Search failed: %s", buf); |
4af34daa JF |
2048 | return; |
2049 | } | |
2050 | ||
c02d8fce | 2051 | string_copy(view->grep, opt_search); |
4af34daa JF |
2052 | |
2053 | find_next(view, request); | |
2054 | } | |
2055 | ||
2056 | /* | |
2e8488b4 JF |
2057 | * Incremental updating |
2058 | */ | |
b801d8b2 | 2059 | |
199d1288 JF |
2060 | static void |
2061 | end_update(struct view *view) | |
2062 | { | |
2063 | if (!view->pipe) | |
2064 | return; | |
2065 | set_nonblocking_input(FALSE); | |
2066 | if (view->pipe == stdin) | |
2067 | fclose(view->pipe); | |
2068 | else | |
2069 | pclose(view->pipe); | |
2070 | view->pipe = NULL; | |
2071 | } | |
2072 | ||
03a93dbb | 2073 | static bool |
b801d8b2 JF |
2074 | begin_update(struct view *view) |
2075 | { | |
199d1288 JF |
2076 | if (view->pipe) |
2077 | end_update(view); | |
2078 | ||
03a93dbb JF |
2079 | if (opt_cmd[0]) { |
2080 | string_copy(view->cmd, opt_cmd); | |
2081 | opt_cmd[0] = 0; | |
035ba11f JF |
2082 | /* When running random commands, initially show the |
2083 | * command in the title. However, it maybe later be | |
2084 | * overwritten if a commit line is selected. */ | |
809a9f48 JF |
2085 | if (view == VIEW(REQ_VIEW_PAGER)) |
2086 | string_copy(view->ref, view->cmd); | |
2087 | else | |
2088 | view->ref[0] = 0; | |
e733ee54 JF |
2089 | |
2090 | } else if (view == VIEW(REQ_VIEW_TREE)) { | |
2091 | const char *format = view->cmd_env ? view->cmd_env : view->cmd_fmt; | |
f0f114ac | 2092 | char path[SIZEOF_STR]; |
e733ee54 JF |
2093 | |
2094 | if (strcmp(view->vid, view->id)) | |
f0f114ac JF |
2095 | opt_path[0] = path[0] = 0; |
2096 | else if (sq_quote(path, 0, opt_path) >= sizeof(path)) | |
2097 | return FALSE; | |
e733ee54 | 2098 | |
739e81de | 2099 | if (!string_format(view->cmd, format, view->id, path)) |
e733ee54 JF |
2100 | return FALSE; |
2101 | ||
03a93dbb | 2102 | } else { |
4685845e | 2103 | const char *format = view->cmd_env ? view->cmd_env : view->cmd_fmt; |
739e81de | 2104 | const char *id = view->id; |
1ba2ae4b | 2105 | |
cc2d1364 | 2106 | if (!string_format(view->cmd, format, id, id, id, id, id)) |
03a93dbb | 2107 | return FALSE; |
035ba11f JF |
2108 | |
2109 | /* Put the current ref_* value to the view title ref | |
2110 | * member. This is needed by the blob view. Most other | |
2111 | * views sets it automatically after loading because the | |
2112 | * first line is a commit line. */ | |
739e81de | 2113 | string_copy_rev(view->ref, view->id); |
03a93dbb | 2114 | } |
b801d8b2 | 2115 | |
6908bdbd JF |
2116 | /* Special case for the pager view. */ |
2117 | if (opt_pipe) { | |
2118 | view->pipe = opt_pipe; | |
2119 | opt_pipe = NULL; | |
2120 | } else { | |
2121 | view->pipe = popen(view->cmd, "r"); | |
2122 | } | |
2123 | ||
2e8488b4 JF |
2124 | if (!view->pipe) |
2125 | return FALSE; | |
b801d8b2 | 2126 | |
6b161b31 | 2127 | set_nonblocking_input(TRUE); |
b801d8b2 JF |
2128 | |
2129 | view->offset = 0; | |
2130 | view->lines = 0; | |
2131 | view->lineno = 0; | |
739e81de | 2132 | string_copy_rev(view->vid, view->id); |
b801d8b2 | 2133 | |
2e8488b4 JF |
2134 | if (view->line) { |
2135 | int i; | |
2136 | ||
2137 | for (i = 0; i < view->lines; i++) | |
fe7233c3 JF |
2138 | if (view->line[i].data) |
2139 | free(view->line[i].data); | |
2e8488b4 JF |
2140 | |
2141 | free(view->line); | |
2142 | view->line = NULL; | |
2143 | } | |
2144 | ||
2145 | view->start_time = time(NULL); | |
2146 | ||
b801d8b2 JF |
2147 | return TRUE; |
2148 | } | |
2149 | ||
518234f1 DV |
2150 | #define ITEM_CHUNK_SIZE 256 |
2151 | static void * | |
2152 | realloc_items(void *mem, size_t *size, size_t new_size, size_t item_size) | |
2153 | { | |
2154 | size_t num_chunks = *size / ITEM_CHUNK_SIZE; | |
2155 | size_t num_chunks_new = (new_size + ITEM_CHUNK_SIZE - 1) / ITEM_CHUNK_SIZE; | |
2156 | ||
2157 | if (mem == NULL || num_chunks != num_chunks_new) { | |
2158 | *size = num_chunks_new * ITEM_CHUNK_SIZE; | |
2159 | mem = realloc(mem, *size * item_size); | |
2160 | } | |
2161 | ||
2162 | return mem; | |
2163 | } | |
2164 | ||
e2c01617 JF |
2165 | static struct line * |
2166 | realloc_lines(struct view *view, size_t line_size) | |
2167 | { | |
518234f1 DV |
2168 | size_t alloc = view->line_alloc; |
2169 | struct line *tmp = realloc_items(view->line, &alloc, line_size, | |
2170 | sizeof(*view->line)); | |
e2c01617 JF |
2171 | |
2172 | if (!tmp) | |
2173 | return NULL; | |
2174 | ||
2175 | view->line = tmp; | |
518234f1 | 2176 | view->line_alloc = alloc; |
e2c01617 JF |
2177 | view->line_size = line_size; |
2178 | return view->line; | |
2179 | } | |
2180 | ||
03a93dbb | 2181 | static bool |
b801d8b2 JF |
2182 | update_view(struct view *view) |
2183 | { | |
6b68fd24 JF |
2184 | char in_buffer[BUFSIZ]; |
2185 | char out_buffer[BUFSIZ * 2]; | |
b801d8b2 | 2186 | char *line; |
82e78006 JF |
2187 | /* The number of lines to read. If too low it will cause too much |
2188 | * redrawing (and possible flickering), if too high responsiveness | |
2189 | * will suffer. */ | |
8855ada4 | 2190 | unsigned long lines = view->height; |
82e78006 | 2191 | int redraw_from = -1; |
b801d8b2 JF |
2192 | |
2193 | if (!view->pipe) | |
2194 | return TRUE; | |
2195 | ||
82e78006 JF |
2196 | /* Only redraw if lines are visible. */ |
2197 | if (view->offset + view->height >= view->lines) | |
2198 | redraw_from = view->lines - view->offset; | |
b801d8b2 | 2199 | |
699ae55b | 2200 | /* FIXME: This is probably not perfect for backgrounded views. */ |
e2c01617 | 2201 | if (!realloc_lines(view, view->lines + lines)) |
b801d8b2 JF |
2202 | goto alloc_error; |
2203 | ||
6b68fd24 JF |
2204 | while ((line = fgets(in_buffer, sizeof(in_buffer), view->pipe))) { |
2205 | size_t linelen = strlen(line); | |
b801d8b2 | 2206 | |
b801d8b2 JF |
2207 | if (linelen) |
2208 | line[linelen - 1] = 0; | |
2209 | ||
6b68fd24 | 2210 | if (opt_iconv != ICONV_NONE) { |
e47afdf2 | 2211 | ICONV_CONST char *inbuf = line; |
6b68fd24 JF |
2212 | size_t inlen = linelen; |
2213 | ||
2214 | char *outbuf = out_buffer; | |
2215 | size_t outlen = sizeof(out_buffer); | |
2216 | ||
2217 | size_t ret; | |
2218 | ||
7361622d | 2219 | ret = iconv(opt_iconv, &inbuf, &inlen, &outbuf, &outlen); |
6b68fd24 JF |
2220 | if (ret != (size_t) -1) { |
2221 | line = out_buffer; | |
2222 | linelen = strlen(out_buffer); | |
2223 | } | |
2224 | } | |
2225 | ||
701e4f5d | 2226 | if (!view->ops->read(view, line)) |
b801d8b2 | 2227 | goto alloc_error; |
fd85fef1 JF |
2228 | |
2229 | if (lines-- == 1) | |
2230 | break; | |
b801d8b2 JF |
2231 | } |
2232 | ||
8855ada4 JF |
2233 | { |
2234 | int digits; | |
2235 | ||
2236 | lines = view->lines; | |
2237 | for (digits = 0; lines; digits++) | |
2238 | lines /= 10; | |
2239 | ||
2240 | /* Keep the displayed view in sync with line number scaling. */ | |
2241 | if (digits != view->digits) { | |
2242 | view->digits = digits; | |
2243 | redraw_from = 0; | |
2244 | } | |
2245 | } | |
2246 | ||
699ae55b JF |
2247 | if (!view_is_displayed(view)) |
2248 | goto check_pipe; | |
2249 | ||
e733ee54 JF |
2250 | if (view == VIEW(REQ_VIEW_TREE)) { |
2251 | /* Clear the view and redraw everything since the tree sorting | |
2252 | * might have rearranged things. */ | |
2253 | redraw_view(view); | |
2254 | ||
8a680988 | 2255 | |
e733ee54 | 2256 | } else if (redraw_from >= 0) { |
82e78006 | 2257 | /* If this is an incremental update, redraw the previous line |
a28bcc22 JF |
2258 | * since for commits some members could have changed when |
2259 | * loading the main view. */ | |
82e78006 JF |
2260 | if (redraw_from > 0) |
2261 | redraw_from--; | |
2262 | ||
9eded379 JF |
2263 | /* Since revision graph visualization requires knowledge |
2264 | * about the parent commit, it causes a further one-off | |
2265 | * needed to be redrawn for incremental updates. */ | |
2266 | if (redraw_from > 0 && opt_rev_graph) | |
2267 | redraw_from--; | |
2268 | ||
82e78006 JF |
2269 | /* Incrementally draw avoids flickering. */ |
2270 | redraw_view_from(view, redraw_from); | |
4c6fabc2 | 2271 | } |
b801d8b2 | 2272 | |
8a680988 JF |
2273 | if (view == VIEW(REQ_VIEW_BLAME)) |
2274 | redraw_view_dirty(view); | |
2275 | ||
eb98559e JF |
2276 | /* Update the title _after_ the redraw so that if the redraw picks up a |
2277 | * commit reference in view->ref it'll be available here. */ | |
2278 | update_view_title(view); | |
2279 | ||
699ae55b | 2280 | check_pipe: |
b801d8b2 | 2281 | if (ferror(view->pipe)) { |
03a93dbb | 2282 | report("Failed to read: %s", strerror(errno)); |
b801d8b2 JF |
2283 | goto end; |
2284 | ||
2285 | } else if (feof(view->pipe)) { | |
f97f4012 | 2286 | report(""); |
b801d8b2 JF |
2287 | goto end; |
2288 | } | |
2289 | ||
2290 | return TRUE; | |
2291 | ||
2292 | alloc_error: | |
2e8488b4 | 2293 | report("Allocation failure"); |
b801d8b2 JF |
2294 | |
2295 | end: | |
4ed67514 JF |
2296 | if (view->ops->read(view, NULL)) |
2297 | end_update(view); | |
b801d8b2 JF |
2298 | return FALSE; |
2299 | } | |
2300 | ||
0a0d8910 | 2301 | static struct line * |
e314c36d | 2302 | add_line_data(struct view *view, void *data, enum line_type type) |
0a0d8910 | 2303 | { |
e314c36d | 2304 | struct line *line = &view->line[view->lines++]; |
0a0d8910 | 2305 | |
e314c36d | 2306 | memset(line, 0, sizeof(*line)); |
0a0d8910 | 2307 | line->type = type; |
e314c36d | 2308 | line->data = data; |
0a0d8910 JF |
2309 | |
2310 | return line; | |
2311 | } | |
2312 | ||
e314c36d JF |
2313 | static struct line * |
2314 | add_line_text(struct view *view, char *data, enum line_type type) | |
2315 | { | |
2316 | if (data) | |
2317 | data = strdup(data); | |
2318 | ||
2319 | return data ? add_line_data(view, data, type) : NULL; | |
2320 | } | |
2321 | ||
79d445ca | 2322 | |
e10154d5 JF |
2323 | /* |
2324 | * View opening | |
2325 | */ | |
2326 | ||
49f2b43f JF |
2327 | enum open_flags { |
2328 | OPEN_DEFAULT = 0, /* Use default view switching. */ | |
2329 | OPEN_SPLIT = 1, /* Split current view. */ | |
2330 | OPEN_BACKGROUNDED = 2, /* Backgrounded. */ | |
2331 | OPEN_RELOAD = 4, /* Reload view even if it is the current. */ | |
2332 | }; | |
2333 | ||
6b161b31 | 2334 | static void |
49f2b43f | 2335 | open_view(struct view *prev, enum request request, enum open_flags flags) |
b801d8b2 | 2336 | { |
49f2b43f JF |
2337 | bool backgrounded = !!(flags & OPEN_BACKGROUNDED); |
2338 | bool split = !!(flags & OPEN_SPLIT); | |
2339 | bool reload = !!(flags & OPEN_RELOAD); | |
a28bcc22 | 2340 | struct view *view = VIEW(request); |
9f41488f | 2341 | int nviews = displayed_views(); |
6e950a52 | 2342 | struct view *base_view = display[0]; |
b801d8b2 | 2343 | |
49f2b43f | 2344 | if (view == prev && nviews == 1 && !reload) { |
6b161b31 JF |
2345 | report("Already in %s view", view->name); |
2346 | return; | |
2347 | } | |
b801d8b2 | 2348 | |
f098944b JF |
2349 | if (view->ops->open) { |
2350 | if (!view->ops->open(view)) { | |
2351 | report("Failed to load %s view", view->name); | |
2352 | return; | |
2353 | } | |
2509b112 JF |
2354 | |
2355 | } else if ((reload || strcmp(view->vid, view->id)) && | |
2356 | !begin_update(view)) { | |
6b161b31 JF |
2357 | report("Failed to load %s view", view->name); |
2358 | return; | |
2359 | } | |
a28bcc22 | 2360 | |
6b161b31 | 2361 | if (split) { |
8d741c06 | 2362 | display[1] = view; |
6b161b31 | 2363 | if (!backgrounded) |
8d741c06 | 2364 | current_view = 1; |
6b161b31 JF |
2365 | } else { |
2366 | /* Maximize the current view. */ | |
2367 | memset(display, 0, sizeof(display)); | |
2368 | current_view = 0; | |
2369 | display[current_view] = view; | |
a28bcc22 | 2370 | } |
b801d8b2 | 2371 | |
6e950a52 JF |
2372 | /* Resize the view when switching between split- and full-screen, |
2373 | * or when switching between two different full-screen views. */ | |
2374 | if (nviews != displayed_views() || | |
2375 | (nviews == 1 && base_view != display[0])) | |
a006db63 | 2376 | resize_display(); |
b801d8b2 | 2377 | |
a8891802 | 2378 | if (split && prev->lineno - prev->offset >= prev->height) { |
03a93dbb | 2379 | /* Take the title line into account. */ |
eb98559e | 2380 | int lines = prev->lineno - prev->offset - prev->height + 1; |
03a93dbb JF |
2381 | |
2382 | /* Scroll the view that was split if the current line is | |
2383 | * outside the new limited view. */ | |
8c317212 | 2384 | do_scroll_view(prev, lines); |
03a93dbb JF |
2385 | } |
2386 | ||
6b161b31 | 2387 | if (prev && view != prev) { |
9b995f0c | 2388 | if (split && !backgrounded) { |
f0b3ab80 JF |
2389 | /* "Blur" the previous view. */ |
2390 | update_view_title(prev); | |
9f396969 | 2391 | } |
f0b3ab80 | 2392 | |
f6da0b66 | 2393 | view->parent = prev; |
b801d8b2 JF |
2394 | } |
2395 | ||
9f396969 | 2396 | if (view->pipe && view->lines == 0) { |
03a93dbb JF |
2397 | /* Clear the old view and let the incremental updating refill |
2398 | * the screen. */ | |
2399 | wclear(view->win); | |
f97f4012 | 2400 | report(""); |
03a93dbb JF |
2401 | } else { |
2402 | redraw_view(view); | |
24b5b3e0 | 2403 | report(""); |
03a93dbb | 2404 | } |
6706b2ba JF |
2405 | |
2406 | /* If the view is backgrounded the above calls to report() | |
2407 | * won't redraw the view title. */ | |
2408 | if (backgrounded) | |
2409 | update_view_title(view); | |
b801d8b2 JF |
2410 | } |
2411 | ||
0cea0d43 | 2412 | static void |
d24ef76c JF |
2413 | open_external_viewer(const char *cmd) |
2414 | { | |
2415 | def_prog_mode(); /* save current tty modes */ | |
2416 | endwin(); /* restore original tty modes */ | |
2417 | system(cmd); | |
2418 | fprintf(stderr, "Press Enter to continue"); | |
2419 | getc(stdin); | |
2420 | reset_prog_mode(); | |
2421 | redraw_display(); | |
2422 | } | |
2423 | ||
2424 | static void | |
b5c18d9d JF |
2425 | open_mergetool(const char *file) |
2426 | { | |
2427 | char cmd[SIZEOF_STR]; | |
2428 | char file_sq[SIZEOF_STR]; | |
2429 | ||
2430 | if (sq_quote(file_sq, 0, file) < sizeof(file_sq) && | |
2431 | string_format(cmd, "git mergetool %s", file_sq)) { | |
2432 | open_external_viewer(cmd); | |
2433 | } | |
2434 | } | |
2435 | ||
2436 | static void | |
d24ef76c | 2437 | open_editor(bool from_root, const char *file) |
0cea0d43 JF |
2438 | { |
2439 | char cmd[SIZEOF_STR]; | |
2440 | char file_sq[SIZEOF_STR]; | |
2441 | char *editor; | |
7d31b059 | 2442 | char *prefix = from_root ? opt_cdup : ""; |
0cea0d43 JF |
2443 | |
2444 | editor = getenv("GIT_EDITOR"); | |
2445 | if (!editor && *opt_editor) | |
2446 | editor = opt_editor; | |
2447 | if (!editor) | |
2448 | editor = getenv("VISUAL"); | |
2449 | if (!editor) | |
2450 | editor = getenv("EDITOR"); | |
2451 | if (!editor) | |
2452 | editor = "vi"; | |
2453 | ||
2454 | if (sq_quote(file_sq, 0, file) < sizeof(file_sq) && | |
7d31b059 | 2455 | string_format(cmd, "%s %s%s", editor, prefix, file_sq)) { |
d24ef76c | 2456 | open_external_viewer(cmd); |
0cea0d43 JF |
2457 | } |
2458 | } | |
b801d8b2 | 2459 | |
9eb14b72 JF |
2460 | static void |
2461 | open_run_request(enum request request) | |
2462 | { | |
2463 | struct run_request *req = get_run_request(request); | |
2464 | char buf[SIZEOF_STR * 2]; | |
2465 | size_t bufpos; | |
2466 | char *cmd; | |
2467 | ||
2468 | if (!req) { | |
2469 | report("Unknown run request"); | |
2470 | return; | |
2471 | } | |
2472 | ||
2473 | bufpos = 0; | |
2474 | cmd = req->cmd; | |
2475 | ||
2476 | while (cmd) { | |
2477 | char *next = strstr(cmd, "%("); | |
2478 | int len = next - cmd; | |
2479 | char *value; | |
2480 | ||
2481 | if (!next) { | |
2482 | len = strlen(cmd); | |
2483 | value = ""; | |
2484 | ||
2485 | } else if (!strncmp(next, "%(head)", 7)) { | |
2486 | value = ref_head; | |
2487 | ||
2488 | } else if (!strncmp(next, "%(commit)", 9)) { | |
2489 | value = ref_commit; | |
2490 | ||
2491 | } else if (!strncmp(next, "%(blob)", 7)) { | |
2492 | value = ref_blob; | |
2493 | ||
2494 | } else { | |
2495 | report("Unknown replacement in run request: `%s`", req->cmd); | |
2496 | return; | |
2497 | } | |
2498 | ||
2499 | if (!string_format_from(buf, &bufpos, "%.*s%s", len, cmd, value)) | |
2500 | return; | |
2501 | ||
2502 | if (next) | |
2503 | next = strchr(next, ')') + 1; | |
2504 | cmd = next; | |
2505 | } | |
2506 | ||
2507 | open_external_viewer(buf); | |
2508 | } | |
2509 | ||
6b161b31 JF |
2510 | /* |
2511 | * User request switch noodle | |
2512 | */ | |
2513 | ||
b801d8b2 | 2514 | static int |
6b161b31 | 2515 | view_driver(struct view *view, enum request request) |
b801d8b2 | 2516 | { |
b801d8b2 JF |
2517 | int i; |
2518 | ||
1bace428 JF |
2519 | if (request == REQ_NONE) { |
2520 | doupdate(); | |
2521 | return TRUE; | |
2522 | } | |
2523 | ||
9eb14b72 JF |
2524 | if (request > REQ_NONE) { |
2525 | open_run_request(request); | |
2526 | return TRUE; | |
2527 | } | |
2528 | ||
586c423d JF |
2529 | if (view && view->lines) { |
2530 | request = view->ops->request(view, request, &view->line[view->lineno]); | |
2531 | if (request == REQ_NONE) | |
2532 | return TRUE; | |
2533 | } | |
2534 | ||
b801d8b2 | 2535 | switch (request) { |
4a2909a7 JF |
2536 | case REQ_MOVE_UP: |
2537 | case REQ_MOVE_DOWN: | |
2538 | case REQ_MOVE_PAGE_UP: | |
2539 | case REQ_MOVE_PAGE_DOWN: | |
2540 | case REQ_MOVE_FIRST_LINE: | |
2541 | case REQ_MOVE_LAST_LINE: | |
8522ecc7 | 2542 | move_view(view, request); |
fd85fef1 JF |
2543 | break; |
2544 | ||
4a2909a7 JF |
2545 | case REQ_SCROLL_LINE_DOWN: |
2546 | case REQ_SCROLL_LINE_UP: | |
2547 | case REQ_SCROLL_PAGE_DOWN: | |
2548 | case REQ_SCROLL_PAGE_UP: | |
a28bcc22 | 2549 | scroll_view(view, request); |
b801d8b2 JF |
2550 | break; |
2551 | ||
8a680988 JF |
2552 | case REQ_VIEW_BLAME: |
2553 | if (!opt_path[0]) { | |
2554 | report("No file chosen, press %s to open tree view", | |
2555 | get_key(REQ_VIEW_TREE)); | |
2556 | break; | |
2557 | } | |
2558 | if (opt_path[strlen(opt_path) - 1] == '/') { | |
2559 | report("Cannot show blame for directory %s", opt_path); | |
2560 | break; | |
2561 | } | |
2562 | string_copy(opt_ref, ref_commit); | |
2563 | open_view(view, request, OPEN_DEFAULT); | |
2564 | break; | |
2565 | ||
e733ee54 JF |
2566 | case REQ_VIEW_BLOB: |
2567 | if (!ref_blob[0]) { | |
550cd4b5 JF |
2568 | report("No file chosen, press %s to open tree view", |
2569 | get_key(REQ_VIEW_TREE)); | |
e733ee54 JF |
2570 | break; |
2571 | } | |
5c4358d1 JF |
2572 | open_view(view, request, OPEN_DEFAULT); |
2573 | break; | |
2574 | ||
2575 | case REQ_VIEW_PAGER: | |
b64c5b75 | 2576 | if (!opt_pipe && !VIEW(REQ_VIEW_PAGER)->lines) { |
5c4358d1 JF |
2577 | report("No pager content, press %s to run command from prompt", |
2578 | get_key(REQ_PROMPT)); | |
2579 | break; | |
2580 | } | |
2581 | open_view(view, request, OPEN_DEFAULT); | |
2582 | break; | |
2583 | ||
3e634113 JF |
2584 | case REQ_VIEW_STAGE: |
2585 | if (!VIEW(REQ_VIEW_STAGE)->lines) { | |
2586 | report("No stage content, press %s to open the status view and choose file", | |
2587 | get_key(REQ_VIEW_STATUS)); | |
2588 | break; | |
2589 | } | |
2590 | open_view(view, request, OPEN_DEFAULT); | |
2591 | break; | |
2592 | ||
c38c64bb JF |
2593 | case REQ_VIEW_STATUS: |
2594 | if (opt_is_inside_work_tree == FALSE) { | |
2595 | report("The status view requires a working tree"); | |
2596 | break; | |
2597 | } | |
2598 | open_view(view, request, OPEN_DEFAULT); | |
2599 | break; | |
2600 | ||
4a2909a7 | 2601 | case REQ_VIEW_MAIN: |
4a2909a7 | 2602 | case REQ_VIEW_DIFF: |
2e8488b4 | 2603 | case REQ_VIEW_LOG: |
e733ee54 | 2604 | case REQ_VIEW_TREE: |
2e8488b4 | 2605 | case REQ_VIEW_HELP: |
49f2b43f | 2606 | open_view(view, request, OPEN_DEFAULT); |
b801d8b2 JF |
2607 | break; |
2608 | ||
b3a54cba JF |
2609 | case REQ_NEXT: |
2610 | case REQ_PREVIOUS: | |
2611 | request = request == REQ_NEXT ? REQ_MOVE_DOWN : REQ_MOVE_UP; | |
2612 | ||
e733ee54 JF |
2613 | if ((view == VIEW(REQ_VIEW_DIFF) && |
2614 | view->parent == VIEW(REQ_VIEW_MAIN)) || | |
8a680988 JF |
2615 | (view == VIEW(REQ_VIEW_DIFF) && |
2616 | view->parent == VIEW(REQ_VIEW_BLAME)) || | |
3e634113 | 2617 | (view == VIEW(REQ_VIEW_STAGE) && |
b9b5b4cd | 2618 | view->parent == VIEW(REQ_VIEW_STATUS)) || |
e733ee54 JF |
2619 | (view == VIEW(REQ_VIEW_BLOB) && |
2620 | view->parent == VIEW(REQ_VIEW_TREE))) { | |
03400136 WF |
2621 | int line; |
2622 | ||
b3a54cba | 2623 | view = view->parent; |
03400136 | 2624 | line = view->lineno; |
8522ecc7 JF |
2625 | move_view(view, request); |
2626 | if (view_is_displayed(view)) | |
f0b3ab80 | 2627 | update_view_title(view); |
328d27f7 JF |
2628 | if (line != view->lineno) |
2629 | view->ops->request(view, REQ_ENTER, | |
2630 | &view->line[view->lineno]); | |
2631 | ||
b3a54cba | 2632 | } else { |
8522ecc7 | 2633 | move_view(view, request); |
b3a54cba | 2634 | } |
328d27f7 | 2635 | break; |
6b161b31 | 2636 | |
03a93dbb JF |
2637 | case REQ_VIEW_NEXT: |
2638 | { | |
9f41488f | 2639 | int nviews = displayed_views(); |
03a93dbb JF |
2640 | int next_view = (current_view + 1) % nviews; |
2641 | ||
2642 | if (next_view == current_view) { | |
2643 | report("Only one view is displayed"); | |
2644 | break; | |
2645 | } | |
2646 | ||
2647 | current_view = next_view; | |
2648 | /* Blur out the title of the previous view. */ | |
2649 | update_view_title(view); | |
6734f6b9 | 2650 | report(""); |
03a93dbb JF |
2651 | break; |
2652 | } | |
acaef3b3 JF |
2653 | case REQ_REFRESH: |
2654 | report("Refreshing is not yet supported for the %s view", view->name); | |
2655 | break; | |
2656 | ||
24b5b3e0 | 2657 | case REQ_TOGGLE_LINENO: |
b76c2afc | 2658 | opt_line_number = !opt_line_number; |
20bb5e18 | 2659 | redraw_display(); |
b801d8b2 JF |
2660 | break; |
2661 | ||
823057f4 DV |
2662 | case REQ_TOGGLE_DATE: |
2663 | opt_date = !opt_date; | |
2664 | redraw_display(); | |
2665 | break; | |
2666 | ||
2667 | case REQ_TOGGLE_AUTHOR: | |
2668 | opt_author = !opt_author; | |
2669 | redraw_display(); | |
2670 | break; | |
2671 | ||
54efb62b JF |
2672 | case REQ_TOGGLE_REV_GRAPH: |
2673 | opt_rev_graph = !opt_rev_graph; | |
2674 | redraw_display(); | |
2675 | break; | |
2676 | ||
823057f4 DV |
2677 | case REQ_TOGGLE_REFS: |
2678 | opt_show_refs = !opt_show_refs; | |
2679 | redraw_display(); | |
2680 | break; | |
2681 | ||
03a93dbb | 2682 | case REQ_PROMPT: |
8855ada4 | 2683 | /* Always reload^Wrerun commands from the prompt. */ |
49f2b43f | 2684 | open_view(view, opt_request, OPEN_RELOAD); |
03a93dbb JF |
2685 | break; |
2686 | ||
4af34daa JF |
2687 | case REQ_SEARCH: |
2688 | case REQ_SEARCH_BACK: | |
c02d8fce | 2689 | search_view(view, request); |
4af34daa JF |
2690 | break; |
2691 | ||
2692 | case REQ_FIND_NEXT: | |
2693 | case REQ_FIND_PREV: | |
2694 | find_next(view, request); | |
2695 | break; | |
2696 | ||
4a2909a7 | 2697 | case REQ_STOP_LOADING: |
59a45d3a JF |
2698 | for (i = 0; i < ARRAY_SIZE(views); i++) { |
2699 | view = &views[i]; | |
2e8488b4 | 2700 | if (view->pipe) |
6a7bb912 | 2701 | report("Stopped loading the %s view", view->name), |
03a93dbb JF |
2702 | end_update(view); |
2703 | } | |
b801d8b2 JF |
2704 | break; |
2705 | ||
4a2909a7 | 2706 | case REQ_SHOW_VERSION: |
ec31d0d0 | 2707 | report("tig-%s (built %s)", TIG_VERSION, __DATE__); |
b801d8b2 JF |
2708 | return TRUE; |
2709 | ||
fac7db6c JF |
2710 | case REQ_SCREEN_RESIZE: |
2711 | resize_display(); | |
2712 | /* Fall-through */ | |
4a2909a7 | 2713 | case REQ_SCREEN_REDRAW: |
20bb5e18 | 2714 | redraw_display(); |
4a2909a7 JF |
2715 | break; |
2716 | ||
0cea0d43 JF |
2717 | case REQ_EDIT: |
2718 | report("Nothing to edit"); | |
531c6c69 JF |
2719 | break; |
2720 | ||
226da94b | 2721 | |
531c6c69 JF |
2722 | case REQ_ENTER: |
2723 | report("Nothing to enter"); | |
2724 | break; | |
ca1d71ea | 2725 | |
b801d8b2 | 2726 | |
4f9b667a | 2727 | case REQ_VIEW_CLOSE: |
2fcf5401 JF |
2728 | /* XXX: Mark closed views by letting view->parent point to the |
2729 | * view itself. Parents to closed view should never be | |
2730 | * followed. */ | |
2731 | if (view->parent && | |
2732 | view->parent->parent != view->parent) { | |
4f9b667a JF |
2733 | memset(display, 0, sizeof(display)); |
2734 | current_view = 0; | |
f6da0b66 | 2735 | display[current_view] = view->parent; |
2fcf5401 | 2736 | view->parent = view; |
4f9b667a JF |
2737 | resize_display(); |
2738 | redraw_display(); | |
2739 | break; | |
2740 | } | |
2741 | /* Fall-through */ | |
b801d8b2 JF |
2742 | case REQ_QUIT: |
2743 | return FALSE; | |
2744 | ||
2745 | default: | |
2e8488b4 | 2746 | /* An unknown key will show most commonly used commands. */ |
468876c9 | 2747 | report("Unknown key, press 'h' for help"); |
b801d8b2 JF |
2748 | return TRUE; |
2749 | } | |
2750 | ||
2751 | return TRUE; | |
2752 | } | |
2753 | ||
2754 | ||
2755 | /* | |
ff26aa29 | 2756 | * Pager backend |
b801d8b2 JF |
2757 | */ |
2758 | ||
6b161b31 | 2759 | static bool |
5dcf8064 | 2760 | pager_draw(struct view *view, struct line *line, unsigned int lineno, bool selected) |
b801d8b2 | 2761 | { |
fe7233c3 JF |
2762 | char *text = line->data; |
2763 | enum line_type type = line->type; | |
78c70acd | 2764 | int attr; |
b801d8b2 | 2765 | |
6706b2ba JF |
2766 | wmove(view->win, lineno, 0); |
2767 | ||
5dcf8064 | 2768 | if (selected) { |
78c70acd | 2769 | type = LINE_CURSOR; |
6706b2ba | 2770 | wchgat(view->win, -1, 0, type, NULL); |
fd85fef1 JF |
2771 | } |
2772 | ||
78c70acd | 2773 | attr = get_line_attr(type); |
b801d8b2 | 2774 | wattrset(view->win, attr); |
b76c2afc | 2775 | |
6706b2ba JF |
2776 | if (opt_line_number || opt_tab_size < TABSIZE) { |
2777 | static char spaces[] = " "; | |
2778 | int col_offset = 0, col = 0; | |
2779 | ||
2780 | if (opt_line_number) { | |
2781 | unsigned long real_lineno = view->offset + lineno + 1; | |
82e78006 | 2782 | |
6706b2ba JF |
2783 | if (real_lineno == 1 || |
2784 | (real_lineno % opt_num_interval) == 0) { | |
2785 | wprintw(view->win, "%.*d", view->digits, real_lineno); | |
8855ada4 | 2786 | |
6706b2ba JF |
2787 | } else { |
2788 | waddnstr(view->win, spaces, | |
2789 | MIN(view->digits, STRING_SIZE(spaces))); | |
2790 | } | |
2791 | waddstr(view->win, ": "); | |
2792 | col_offset = view->digits + 2; | |
2793 | } | |
8855ada4 | 2794 | |
fe7233c3 | 2795 | while (text && col_offset + col < view->width) { |
6706b2ba | 2796 | int cols_max = view->width - col_offset - col; |
fe7233c3 | 2797 | char *pos = text; |
6706b2ba | 2798 | int cols; |
4c6fabc2 | 2799 | |
fe7233c3 JF |
2800 | if (*text == '\t') { |
2801 | text++; | |
6706b2ba | 2802 | assert(sizeof(spaces) > TABSIZE); |
fe7233c3 | 2803 | pos = spaces; |
6706b2ba | 2804 | cols = opt_tab_size - (col % opt_tab_size); |
82e78006 | 2805 | |
b76c2afc | 2806 | } else { |
fe7233c3 JF |
2807 | text = strchr(text, '\t'); |
2808 | cols = line ? text - pos : strlen(pos); | |
b76c2afc | 2809 | } |
6706b2ba | 2810 | |
fe7233c3 | 2811 | waddnstr(view->win, pos, MIN(cols, cols_max)); |
6706b2ba | 2812 | col += cols; |
b76c2afc | 2813 | } |
b76c2afc JF |
2814 | |
2815 | } else { | |
749cdc92 | 2816 | int tilde_attr = get_line_attr(LINE_MAIN_DELIM); |
b801d8b2 | 2817 | |
a00fff3c | 2818 | draw_text(view, text, view->width, TRUE, tilde_attr); |
6706b2ba | 2819 | } |
2e8488b4 | 2820 | |
b801d8b2 JF |
2821 | return TRUE; |
2822 | } | |
2823 | ||
dc23c0e3 | 2824 | static bool |
d65ced0d | 2825 | add_describe_ref(char *buf, size_t *bufpos, char *commit_id, const char *sep) |
dc23c0e3 | 2826 | { |
17482b11 | 2827 | char refbuf[SIZEOF_STR]; |
dc23c0e3 JF |
2828 | char *ref = NULL; |
2829 | FILE *pipe; | |
2830 | ||
d3c345f7 | 2831 | if (!string_format(refbuf, "git describe %s 2>/dev/null", commit_id)) |
dc23c0e3 JF |
2832 | return TRUE; |
2833 | ||
2834 | pipe = popen(refbuf, "r"); | |
2835 | if (!pipe) | |
2836 | return TRUE; | |
2837 | ||
2838 | if ((ref = fgets(refbuf, sizeof(refbuf), pipe))) | |
2839 | ref = chomp_string(ref); | |
2840 | pclose(pipe); | |
2841 | ||
2842 | if (!ref || !*ref) | |
2843 | return TRUE; | |
2844 | ||
2845 | /* This is the only fatal call, since it can "corrupt" the buffer. */ | |
17482b11 | 2846 | if (!string_nformat(buf, SIZEOF_STR, bufpos, "%s%s", sep, ref)) |
dc23c0e3 JF |
2847 | return FALSE; |
2848 | ||
2849 | return TRUE; | |
2850 | } | |
2851 | ||
7b99a34c JF |
2852 | static void |
2853 | add_pager_refs(struct view *view, struct line *line) | |
2854 | { | |
17482b11 | 2855 | char buf[SIZEOF_STR]; |
9295982a | 2856 | char *commit_id = (char *)line->data + STRING_SIZE("commit "); |
7b99a34c | 2857 | struct ref **refs; |
d65ced0d | 2858 | size_t bufpos = 0, refpos = 0; |
7b99a34c | 2859 | const char *sep = "Refs: "; |
dc23c0e3 | 2860 | bool is_tag = FALSE; |
7b99a34c JF |
2861 | |
2862 | assert(line->type == LINE_COMMIT); | |
2863 | ||
c9ca1ec3 | 2864 | refs = get_refs(commit_id); |
dc23c0e3 JF |
2865 | if (!refs) { |
2866 | if (view == VIEW(REQ_VIEW_DIFF)) | |
2867 | goto try_add_describe_ref; | |
7b99a34c | 2868 | return; |
dc23c0e3 | 2869 | } |
7b99a34c JF |
2870 | |
2871 | do { | |
cc2d1364 | 2872 | struct ref *ref = refs[refpos]; |
e15ec88e JF |
2873 | char *fmt = ref->tag ? "%s[%s]" : |
2874 | ref->remote ? "%s<%s>" : "%s%s"; | |
7b99a34c | 2875 | |
cc2d1364 JF |
2876 | if (!string_format_from(buf, &bufpos, fmt, sep, ref->name)) |
2877 | return; | |
7b99a34c | 2878 | sep = ", "; |
dc23c0e3 JF |
2879 | if (ref->tag) |
2880 | is_tag = TRUE; | |
7b99a34c JF |
2881 | } while (refs[refpos++]->next); |
2882 | ||
dc23c0e3 JF |
2883 | if (!is_tag && view == VIEW(REQ_VIEW_DIFF)) { |
2884 | try_add_describe_ref: | |
d42c8a35 | 2885 | /* Add <tag>-g<commit_id> "fake" reference. */ |
dc23c0e3 JF |
2886 | if (!add_describe_ref(buf, &bufpos, commit_id, sep)) |
2887 | return; | |
2888 | } | |
2889 | ||
d42c8a35 JF |
2890 | if (bufpos == 0) |
2891 | return; | |
2892 | ||
cc2d1364 | 2893 | if (!realloc_lines(view, view->line_size + 1)) |
7b99a34c JF |
2894 | return; |
2895 | ||
0a0d8910 | 2896 | add_line_text(view, buf, LINE_PP_REFS); |
7b99a34c JF |
2897 | } |
2898 | ||
6b161b31 | 2899 | static bool |
701e4f5d | 2900 | pager_read(struct view *view, char *data) |
22f66b0a | 2901 | { |
0a0d8910 | 2902 | struct line *line; |
22f66b0a | 2903 | |
be04d936 JF |
2904 | if (!data) |
2905 | return TRUE; | |
2906 | ||
0a0d8910 JF |
2907 | line = add_line_text(view, data, get_line_type(data)); |
2908 | if (!line) | |
7b99a34c | 2909 | return FALSE; |
fe7233c3 | 2910 | |
7b99a34c JF |
2911 | if (line->type == LINE_COMMIT && |
2912 | (view == VIEW(REQ_VIEW_DIFF) || | |
2913 | view == VIEW(REQ_VIEW_LOG))) | |
2914 | add_pager_refs(view, line); | |
2915 | ||
22f66b0a JF |
2916 | return TRUE; |
2917 | } | |
2918 | ||
586c423d JF |
2919 | static enum request |
2920 | pager_request(struct view *view, enum request request, struct line *line) | |
6b161b31 | 2921 | { |
91e8e277 | 2922 | int split = 0; |
6b161b31 | 2923 | |
586c423d JF |
2924 | if (request != REQ_ENTER) |
2925 | return request; | |
2926 | ||
9fbbd28f JF |
2927 | if (line->type == LINE_COMMIT && |
2928 | (view == VIEW(REQ_VIEW_LOG) || | |
2929 | view == VIEW(REQ_VIEW_PAGER))) { | |
91e8e277 JF |
2930 | open_view(view, REQ_VIEW_DIFF, OPEN_SPLIT); |
2931 | split = 1; | |
67e48ac5 JF |
2932 | } |
2933 | ||
91e8e277 JF |
2934 | /* Always scroll the view even if it was split. That way |
2935 | * you can use Enter to scroll through the log view and | |
2936 | * split open each commit diff. */ | |
2937 | scroll_view(view, REQ_SCROLL_LINE_DOWN); | |
2938 | ||
2939 | /* FIXME: A minor workaround. Scrolling the view will call report("") | |
9d82d824 JF |
2940 | * but if we are scrolling a non-current view this won't properly |
2941 | * update the view title. */ | |
91e8e277 JF |
2942 | if (split) |
2943 | update_view_title(view); | |
6b161b31 | 2944 | |
586c423d | 2945 | return REQ_NONE; |
6b161b31 JF |
2946 | } |
2947 | ||
4af34daa JF |
2948 | static bool |
2949 | pager_grep(struct view *view, struct line *line) | |
2950 | { | |
2951 | regmatch_t pmatch; | |
2952 | char *text = line->data; | |
2953 | ||
2954 | if (!*text) | |
2955 | return FALSE; | |
2956 | ||
b77b2cb8 | 2957 | if (regexec(view->regex, text, 1, &pmatch, 0) == REG_NOMATCH) |
4af34daa JF |
2958 | return FALSE; |
2959 | ||
2960 | return TRUE; | |
2961 | } | |
2962 | ||
d720de4b JF |
2963 | static void |
2964 | pager_select(struct view *view, struct line *line) | |
2965 | { | |
2966 | if (line->type == LINE_COMMIT) { | |
9295982a | 2967 | char *text = (char *)line->data + STRING_SIZE("commit "); |
d720de4b | 2968 | |
035ba11f | 2969 | if (view != VIEW(REQ_VIEW_PAGER)) |
2463b4ea JF |
2970 | string_copy_rev(view->ref, text); |
2971 | string_copy_rev(ref_commit, text); | |
d720de4b JF |
2972 | } |
2973 | } | |
2974 | ||
6b161b31 | 2975 | static struct view_ops pager_ops = { |
6734f6b9 | 2976 | "line", |
f098944b | 2977 | NULL, |
6b161b31 | 2978 | pager_read, |
f098944b | 2979 | pager_draw, |
586c423d | 2980 | pager_request, |
f098944b JF |
2981 | pager_grep, |
2982 | pager_select, | |
2983 | }; | |
2984 | ||
2985 | ||
2986 | /* | |
2987 | * Help backend | |
2988 | */ | |
2989 | ||
2990 | static bool | |
2991 | help_open(struct view *view) | |
2992 | { | |
2993 | char buf[BUFSIZ]; | |
2994 | int lines = ARRAY_SIZE(req_info) + 2; | |
2995 | int i; | |
2996 | ||
2997 | if (view->lines > 0) | |
2998 | return TRUE; | |
2999 | ||
3000 | for (i = 0; i < ARRAY_SIZE(req_info); i++) | |
3001 | if (!req_info[i].request) | |
3002 | lines++; | |
3003 | ||
9eb14b72 JF |
3004 | lines += run_requests + 1; |
3005 | ||
f098944b JF |
3006 | view->line = calloc(lines, sizeof(*view->line)); |
3007 | if (!view->line) | |
3008 | return FALSE; | |
3009 | ||
3010 | add_line_text(view, "Quick reference for tig keybindings:", LINE_DEFAULT); | |
3011 | ||
3012 | for (i = 0; i < ARRAY_SIZE(req_info); i++) { | |
3013 | char *key; | |
3014 | ||
0e4360b6 JF |
3015 | if (req_info[i].request == REQ_NONE) |
3016 | continue; | |
3017 | ||
f098944b JF |
3018 | if (!req_info[i].request) { |
3019 | add_line_text(view, "", LINE_DEFAULT); | |
3020 | add_line_text(view, req_info[i].help, LINE_DEFAULT); | |
3021 | continue; | |
3022 | } | |
3023 | ||
3024 | key = get_key(req_info[i].request); | |
0e4360b6 JF |
3025 | if (!*key) |
3026 | key = "(no key defined)"; | |
3027 | ||
f098944b JF |
3028 | if (!string_format(buf, " %-25s %s", key, req_info[i].help)) |
3029 | continue; | |
3030 | ||
3031 | add_line_text(view, buf, LINE_DEFAULT); | |
3032 | } | |
3033 | ||
9eb14b72 JF |
3034 | if (run_requests) { |
3035 | add_line_text(view, "", LINE_DEFAULT); | |
3036 | add_line_text(view, "External commands:", LINE_DEFAULT); | |
3037 | } | |
3038 | ||
3039 | for (i = 0; i < run_requests; i++) { | |
3040 | struct run_request *req = get_run_request(REQ_NONE + i + 1); | |
3041 | char *key; | |
3042 | ||
3043 | if (!req) | |
3044 | continue; | |
3045 | ||
3046 | key = get_key_name(req->key); | |
3047 | if (!*key) | |
3048 | key = "(no key defined)"; | |
3049 | ||
3050 | if (!string_format(buf, " %-10s %-14s `%s`", | |
3051 | keymap_table[req->keymap].name, | |
3052 | key, req->cmd)) | |
3053 | continue; | |
3054 | ||
3055 | add_line_text(view, buf, LINE_DEFAULT); | |
3056 | } | |
3057 | ||
f098944b JF |
3058 | return TRUE; |
3059 | } | |
3060 | ||
3061 | static struct view_ops help_ops = { | |
3062 | "line", | |
3063 | help_open, | |
3064 | NULL, | |
3065 | pager_draw, | |
586c423d | 3066 | pager_request, |
4af34daa | 3067 | pager_grep, |
d720de4b | 3068 | pager_select, |
6b161b31 JF |
3069 | }; |
3070 | ||
80ce96ea | 3071 | |
ff26aa29 | 3072 | /* |
e733ee54 JF |
3073 | * Tree backend |
3074 | */ | |
3075 | ||
69efc854 JF |
3076 | struct tree_stack_entry { |
3077 | struct tree_stack_entry *prev; /* Entry below this in the stack */ | |
3078 | unsigned long lineno; /* Line number to restore */ | |
3079 | char *name; /* Position of name in opt_path */ | |
3080 | }; | |
3081 | ||
3082 | /* The top of the path stack. */ | |
3083 | static struct tree_stack_entry *tree_stack = NULL; | |
3084 | unsigned long tree_lineno = 0; | |
3085 | ||
3086 | static void | |
3087 | pop_tree_stack_entry(void) | |
3088 | { | |
3089 | struct tree_stack_entry *entry = tree_stack; | |
3090 | ||
3091 | tree_lineno = entry->lineno; | |
3092 | entry->name[0] = 0; | |
3093 | tree_stack = entry->prev; | |
3094 | free(entry); | |
3095 | } | |
3096 | ||
3097 | static void | |
3098 | push_tree_stack_entry(char *name, unsigned long lineno) | |
3099 | { | |
3100 | struct tree_stack_entry *entry = calloc(1, sizeof(*entry)); | |
3101 | size_t pathlen = strlen(opt_path); | |
3102 | ||
3103 | if (!entry) | |
3104 | return; | |
3105 | ||
3106 | entry->prev = tree_stack; | |
3107 | entry->name = opt_path + pathlen; | |
3108 | tree_stack = entry; | |
3109 | ||
3110 | if (!string_format_from(opt_path, &pathlen, "%s/", name)) { | |
3111 | pop_tree_stack_entry(); | |
3112 | return; | |
3113 | } | |
3114 | ||
3115 | /* Move the current line to the first tree entry. */ | |
3116 | tree_lineno = 1; | |
3117 | entry->lineno = lineno; | |
3118 | } | |
3119 | ||
4795d620 | 3120 | /* Parse output from git-ls-tree(1): |
e733ee54 JF |
3121 | * |
3122 | * 100644 blob fb0e31ea6cc679b7379631188190e975f5789c26 Makefile | |
3123 | * 100644 blob 5304ca4260aaddaee6498f9630e7d471b8591ea6 README | |
3124 | * 100644 blob f931e1d229c3e185caad4449bf5b66ed72462657 tig.c | |
3125 | * 100644 blob ed09fe897f3c7c9af90bcf80cae92558ea88ae38 web.conf | |
3126 | */ | |
3127 | ||
3128 | #define SIZEOF_TREE_ATTR \ | |
3129 | STRING_SIZE("100644 blob ed09fe897f3c7c9af90bcf80cae92558ea88ae38\t") | |
3130 | ||
3131 | #define TREE_UP_FORMAT "040000 tree %s\t.." | |
3132 | ||
3133 | static int | |
3134 | tree_compare_entry(enum line_type type1, char *name1, | |
3135 | enum line_type type2, char *name2) | |
3136 | { | |
3137 | if (type1 != type2) { | |
3138 | if (type1 == LINE_TREE_DIR) | |
3139 | return -1; | |
3140 | return 1; | |
3141 | } | |
3142 | ||
3143 | return strcmp(name1, name2); | |
3144 | } | |
3145 | ||
3146 | static bool | |
3147 | tree_read(struct view *view, char *text) | |
3148 | { | |
be04d936 | 3149 | size_t textlen = text ? strlen(text) : 0; |
e733ee54 JF |
3150 | char buf[SIZEOF_STR]; |
3151 | unsigned long pos; | |
3152 | enum line_type type; | |
f88a5319 | 3153 | bool first_read = view->lines == 0; |
e733ee54 | 3154 | |
4ed67514 JF |
3155 | if (!text) |
3156 | return TRUE; | |
e733ee54 JF |
3157 | if (textlen <= SIZEOF_TREE_ATTR) |
3158 | return FALSE; | |
3159 | ||
3160 | type = text[STRING_SIZE("100644 ")] == 't' | |
3161 | ? LINE_TREE_DIR : LINE_TREE_FILE; | |
3162 | ||
f88a5319 | 3163 | if (first_read) { |
e733ee54 | 3164 | /* Add path info line */ |
0a0d8910 JF |
3165 | if (!string_format(buf, "Directory path /%s", opt_path) || |
3166 | !realloc_lines(view, view->line_size + 1) || | |
3167 | !add_line_text(view, buf, LINE_DEFAULT)) | |
e733ee54 JF |
3168 | return FALSE; |
3169 | ||
3170 | /* Insert "link" to parent directory. */ | |
0a0d8910 JF |
3171 | if (*opt_path) { |
3172 | if (!string_format(buf, TREE_UP_FORMAT, view->ref) || | |
3173 | !realloc_lines(view, view->line_size + 1) || | |
3174 | !add_line_text(view, buf, LINE_TREE_DIR)) | |
3175 | return FALSE; | |
3176 | } | |
e733ee54 JF |
3177 | } |
3178 | ||
3179 | /* Strip the path part ... */ | |
3180 | if (*opt_path) { | |
3181 | size_t pathlen = textlen - SIZEOF_TREE_ATTR; | |
3182 | size_t striplen = strlen(opt_path); | |
3183 | char *path = text + SIZEOF_TREE_ATTR; | |
3184 | ||
3185 | if (pathlen > striplen) | |
3186 | memmove(path, path + striplen, | |
3187 | pathlen - striplen + 1); | |
3188 | } | |
3189 | ||
3190 | /* Skip "Directory ..." and ".." line. */ | |
3191 | for (pos = 1 + !!*opt_path; pos < view->lines; pos++) { | |
3192 | struct line *line = &view->line[pos]; | |
3193 | char *path1 = ((char *) line->data) + SIZEOF_TREE_ATTR; | |
3194 | char *path2 = text + SIZEOF_TREE_ATTR; | |
3195 | int cmp = tree_compare_entry(line->type, path1, type, path2); | |
3196 | ||
3197 | if (cmp <= 0) | |
3198 | continue; | |
3199 | ||
3200 | text = strdup(text); | |
3201 | if (!text) | |
3202 | return FALSE; | |
3203 | ||
3204 | if (view->lines > pos) | |
3205 | memmove(&view->line[pos + 1], &view->line[pos], | |
3206 | (view->lines - pos) * sizeof(*line)); | |
3207 | ||
3208 | line = &view->line[pos]; | |
3209 | line->data = text; | |
3210 | line->type = type; | |
3211 | view->lines++; | |
3212 | return TRUE; | |
3213 | } | |
3214 | ||
0a0d8910 | 3215 | if (!add_line_text(view, text, type)) |
e733ee54 JF |
3216 | return FALSE; |
3217 | ||
69efc854 JF |
3218 | if (tree_lineno > view->lineno) { |
3219 | view->lineno = tree_lineno; | |
3220 | tree_lineno = 0; | |
3221 | } | |
f88a5319 | 3222 | |
e733ee54 JF |
3223 | return TRUE; |
3224 | } | |
3225 | ||
586c423d JF |
3226 | static enum request |
3227 | tree_request(struct view *view, enum request request, struct line *line) | |
e733ee54 | 3228 | { |
aac64c17 | 3229 | enum open_flags flags; |
586c423d | 3230 | |
c509eed2 DV |
3231 | if (request == REQ_TREE_PARENT) { |
3232 | if (*opt_path) { | |
3233 | /* fake 'cd ..' */ | |
3234 | request = REQ_ENTER; | |
3235 | line = &view->line[1]; | |
3236 | } else { | |
3237 | /* quit view if at top of tree */ | |
3238 | return REQ_VIEW_CLOSE; | |
3239 | } | |
3240 | } | |
586c423d JF |
3241 | if (request != REQ_ENTER) |
3242 | return request; | |
e733ee54 | 3243 | |
69efc854 JF |
3244 | /* Cleanup the stack if the tree view is at a different tree. */ |
3245 | while (!*opt_path && tree_stack) | |
3246 | pop_tree_stack_entry(); | |
3247 | ||
e733ee54 JF |
3248 | switch (line->type) { |
3249 | case LINE_TREE_DIR: | |
3250 | /* Depending on whether it is a subdir or parent (updir?) link | |
3251 | * mangle the path buffer. */ | |
3252 | if (line == &view->line[1] && *opt_path) { | |
69efc854 | 3253 | pop_tree_stack_entry(); |
e733ee54 JF |
3254 | |
3255 | } else { | |
4795d620 | 3256 | char *data = line->data; |
e733ee54 JF |
3257 | char *basename = data + SIZEOF_TREE_ATTR; |
3258 | ||
69efc854 | 3259 | push_tree_stack_entry(basename, view->lineno); |
e733ee54 JF |
3260 | } |
3261 | ||
3262 | /* Trees and subtrees share the same ID, so they are not not | |
3263 | * unique like blobs. */ | |
aac64c17 | 3264 | flags = OPEN_RELOAD; |
e733ee54 JF |
3265 | request = REQ_VIEW_TREE; |
3266 | break; | |
3267 | ||
3268 | case LINE_TREE_FILE: | |
aac64c17 | 3269 | flags = display[0] == view ? OPEN_SPLIT : OPEN_DEFAULT; |
e733ee54 JF |
3270 | request = REQ_VIEW_BLOB; |
3271 | break; | |
3272 | ||
3273 | default: | |
3274 | return TRUE; | |
3275 | } | |
3276 | ||
3277 | open_view(view, request, flags); | |
69efc854 JF |
3278 | if (request == REQ_VIEW_TREE) { |
3279 | view->lineno = tree_lineno; | |
3280 | } | |
e733ee54 | 3281 | |
586c423d | 3282 | return REQ_NONE; |
e733ee54 JF |
3283 | } |
3284 | ||
d720de4b JF |
3285 | static void |
3286 | tree_select(struct view *view, struct line *line) | |
3287 | { | |
9295982a | 3288 | char *text = (char *)line->data + STRING_SIZE("100644 blob "); |
73c76ef5 JF |
3289 | |
3290 | if (line->type == LINE_TREE_FILE) { | |
2463b4ea | 3291 | string_copy_rev(ref_blob, text); |
d720de4b | 3292 | |
ebbaf4fe JF |
3293 | } else if (line->type != LINE_TREE_DIR) { |
3294 | return; | |
d720de4b | 3295 | } |
ebbaf4fe | 3296 | |
2463b4ea | 3297 | string_copy_rev(view->ref, text); |
d720de4b JF |
3298 | } |
3299 | ||
e733ee54 JF |
3300 | static struct view_ops tree_ops = { |
3301 | "file", | |
f098944b | 3302 | NULL, |
e733ee54 | 3303 | tree_read, |
f098944b | 3304 | pager_draw, |
586c423d | 3305 | tree_request, |
e733ee54 | 3306 | pager_grep, |
d720de4b | 3307 | tree_select, |
e733ee54 JF |
3308 | }; |
3309 | ||
3310 | static bool | |
3311 | blob_read(struct view *view, char *line) | |
3312 | { | |
c115e7ac | 3313 | return add_line_text(view, line, LINE_DEFAULT) != NULL; |
e733ee54 JF |
3314 | } |
3315 | ||
3316 | static struct view_ops blob_ops = { | |
3317 | "line", | |
f098944b | 3318 | NULL, |
e733ee54 | 3319 | blob_read, |
f098944b | 3320 | pager_draw, |
586c423d | 3321 | pager_request, |
e733ee54 | 3322 | pager_grep, |
d720de4b | 3323 | pager_select, |
e733ee54 JF |
3324 | }; |
3325 | ||
8a680988 JF |
3326 | /* |
3327 | * Blame backend | |
3328 | * | |
3329 | * Loading the blame view is a two phase job: | |
3330 | * | |
3331 | * 1. File content is read either using opt_path from the | |
3332 | * filesystem or using git-cat-file. | |
3333 | * 2. Then blame information is incrementally added by | |
3334 | * reading output from git-blame. | |
3335 | */ | |
3336 | ||
3337 | struct blame_commit { | |
3338 | char id[SIZEOF_REV]; /* SHA1 ID. */ | |
3339 | char title[128]; /* First line of the commit message. */ | |
3340 | char author[75]; /* Author of the commit. */ | |
3341 | struct tm time; /* Date from the author ident. */ | |
3342 | char filename[128]; /* Name of file. */ | |
3343 | }; | |
3344 | ||
3345 | struct blame { | |
3346 | struct blame_commit *commit; | |
3347 | unsigned int header:1; | |
3348 | char text[1]; | |
3349 | }; | |
3350 | ||
3351 | #define BLAME_CAT_FILE_CMD "git cat-file blob %s:%s" | |
3352 | #define BLAME_INCREMENTAL_CMD "git blame --incremental %s %s" | |
3353 | ||
3354 | static bool | |
3355 | blame_open(struct view *view) | |
3356 | { | |
3357 | char path[SIZEOF_STR]; | |
3358 | char ref[SIZEOF_STR] = ""; | |
3359 | ||
3360 | if (sq_quote(path, 0, opt_path) >= sizeof(path)) | |
3361 | return FALSE; | |
3362 | ||
3363 | if (*opt_ref && sq_quote(ref, 0, opt_ref) >= sizeof(ref)) | |
3364 | return FALSE; | |
3365 | ||
3366 | if (*opt_ref) { | |
3367 | if (!string_format(view->cmd, BLAME_CAT_FILE_CMD, ref, path)) | |
3368 | return FALSE; | |
3369 | } else { | |
3370 | view->pipe = fopen(opt_path, "r"); | |
3371 | if (!view->pipe && | |
3372 | !string_format(view->cmd, BLAME_CAT_FILE_CMD, "HEAD", path)) | |
3373 | return FALSE; | |
3374 | } | |
3375 | ||
3376 | if (!view->pipe) | |
3377 | view->pipe = popen(view->cmd, "r"); | |
3378 | if (!view->pipe) | |
3379 | return FALSE; | |
3380 | ||
3381 | if (!string_format(view->cmd, BLAME_INCREMENTAL_CMD, ref, path)) | |
3382 | return FALSE; | |
3383 | ||
3384 | string_format(view->ref, "%s ...", opt_path); | |
3385 | string_copy_rev(view->vid, opt_path); | |
3386 | set_nonblocking_input(TRUE); | |
3387 | ||
3388 | if (view->line) { | |
3389 | int i; | |
3390 | ||
3391 | for (i = 0; i < view->lines; i++) | |
3392 | free(view->line[i].data); | |
3393 | free(view->line); | |
3394 | } | |
3395 | ||
3396 | view->lines = view->line_alloc = view->line_size = view->lineno = 0; | |
3397 | view->offset = view->lines = view->lineno = 0; | |
3398 | view->line = NULL; | |
3399 | view->start_time = time(NULL); | |
3400 | } | |
3401 | ||
3402 | static struct blame_commit * | |
3403 | get_blame_commit(struct view *view, const char *id) | |
3404 | { | |
3405 | size_t i; | |
3406 | ||
3407 | for (i = 0; i < view->lines; i++) { | |
3408 | struct blame *blame = view->line[i].data; | |
3409 | ||
3410 | if (!blame->commit) | |
3411 | continue; | |
3412 | ||
3413 | if (!strncmp(blame->commit->id, id, SIZEOF_REV - 1)) | |
3414 | return blame->commit; | |
3415 | } | |
3416 | ||
3417 | { | |
3418 | struct blame_commit *commit = calloc(1, sizeof(*commit)); | |
3419 | ||
3420 | if (commit) | |
3421 | string_ncopy(commit->id, id, SIZEOF_REV); | |
3422 | return commit; | |
3423 | } | |
3424 | } | |
3425 | ||
3426 | static bool | |
3427 | parse_number(char **posref, size_t *number, size_t min, size_t max) | |
3428 | { | |
3429 | char *pos = *posref; | |
3430 | ||
3431 | *posref = NULL; | |
3432 | pos = strchr(pos + 1, ' '); | |
3433 | if (!pos || !isdigit(pos[1])) | |
3434 | return FALSE; | |
3435 | *number = atoi(pos + 1); | |
3436 | if (*number < min || *number > max) | |
3437 | return FALSE; | |
3438 | ||
3439 | *posref = pos; | |
3440 | return TRUE; | |
3441 | } | |
3442 | ||
3443 | static struct blame_commit * | |
3444 | parse_blame_commit(struct view *view, char *text, int *blamed) | |
3445 | { | |
3446 | struct blame_commit *commit; | |
3447 | struct blame *blame; | |
3448 | char *pos = text + SIZEOF_REV - 1; | |
3449 | size_t lineno; | |
3450 | size_t group; | |
3451 | struct line *line; | |
3452 | ||
3453 | if (strlen(text) <= SIZEOF_REV || *pos != ' ') | |
3454 | return NULL; | |
3455 | ||
3456 | if (!parse_number(&pos, &lineno, 1, view->lines) || | |
3457 | !parse_number(&pos, &group, 1, view->lines - lineno + 1)) | |
3458 | return NULL; | |
3459 | ||
3460 | commit = get_blame_commit(view, text); | |
3461 | if (!commit) | |
3462 | return NULL; | |
3463 | ||
3464 | *blamed += group; | |
3465 | while (group--) { | |
3466 | struct line *line = &view->line[lineno + group - 1]; | |
3467 | ||
3468 | blame = line->data; | |
3469 | blame->commit = commit; | |
3470 | line->dirty = 1; | |
3471 | } | |
3472 | blame->header = 1; | |
3473 | ||
3474 | return commit; | |
3475 | } | |
3476 | ||
3477 | static bool | |
3478 | blame_read_file(struct view *view, char *line) | |
3479 | { | |
3480 | if (!line) { | |
3481 | FILE *pipe = NULL; | |
3482 | ||
3483 | if (view->lines > 0) | |
3484 | pipe = popen(view->cmd, "r"); | |
3485 | view->cmd[0] = 0; | |
3486 | if (!pipe) { | |
3487 | report("Failed to load blame data"); | |
3488 | return TRUE; | |
3489 | } | |
3490 | ||
3491 | fclose(view->pipe); | |
3492 | view->pipe = pipe; | |
3493 | return FALSE; | |
3494 | ||
3495 | } else { | |
3496 | size_t linelen = strlen(line); | |
3497 | struct blame *blame = malloc(sizeof(*blame) + linelen); | |
3498 | ||
3499 | if (!line) | |
3500 | return FALSE; | |
3501 | ||
3502 | blame->commit = NULL; | |
3503 | strncpy(blame->text, line, linelen); | |
3504 | blame->text[linelen] = 0; | |
3505 | return add_line_data(view, blame, LINE_BLAME_COMMIT) != NULL; | |
3506 | } | |
3507 | } | |
3508 | ||
3509 | static bool | |
3510 | match_blame_header(const char *name, char **line) | |
3511 | { | |
3512 | size_t namelen = strlen(name); | |
3513 | bool matched = !strncmp(name, *line, namelen); | |
3514 | ||
3515 | if (matched) | |
3516 | *line += namelen; | |
3517 | ||
3518 | return matched; | |
3519 | } | |
3520 | ||
3521 | static bool | |
3522 | blame_read(struct view *view, char *line) | |
3523 | { | |
3524 | static struct blame_commit *commit = NULL; | |
3525 | static int blamed = 0; | |
3526 | static time_t author_time; | |
3527 | ||
3528 | if (*view->cmd) | |
3529 | return blame_read_file(view, line); | |
3530 | ||
3531 | if (!line) { | |
3532 | /* Reset all! */ | |
3533 | commit = NULL; | |
3534 | blamed = 0; | |
3535 | string_format(view->ref, "%s", view->vid); | |
3536 | if (view_is_displayed(view)) { | |
3537 | update_view_title(view); | |
3538 | redraw_view_from(view, 0); | |
3539 | } | |
3540 | return TRUE; | |
3541 | } | |
3542 | ||
3543 | if (!commit) { | |
3544 | commit = parse_blame_commit(view, line, &blamed); | |
3545 | string_format(view->ref, "%s %2d%%", view->vid, | |
3546 | blamed * 100 / view->lines); | |
3547 | ||
3548 | } else if (match_blame_header("author ", &line)) { | |
3549 | string_ncopy(commit->author, line, strlen(line)); | |
3550 | ||
3551 | } else if (match_blame_header("author-time ", &line)) { | |
3552 | author_time = (time_t) atol(line); | |
3553 | ||
3554 | } else if (match_blame_header("author-tz ", &line)) { | |
3555 | long tz; | |
3556 | ||
3557 | tz = ('0' - line[1]) * 60 * 60 * 10; | |
3558 | tz += ('0' - line[2]) * 60 * 60; | |
3559 | tz += ('0' - line[3]) * 60; | |
3560 | tz += ('0' - line[4]) * 60; | |
3561 | ||
3562 | if (line[0] == '-') | |
3563 | tz = -tz; | |
3564 | ||
3565 | author_time -= tz; | |
3566 | gmtime_r(&author_time, &commit->time); | |
3567 | ||
3568 | } else if (match_blame_header("summary ", &line)) { | |
3569 | string_ncopy(commit->title, line, strlen(line)); | |
3570 | ||
3571 | } else if (match_blame_header("filename ", &line)) { | |
3572 | string_ncopy(commit->filename, line, strlen(line)); | |
3573 | commit = NULL; | |
3574 | } | |
3575 | ||
3576 | return TRUE; | |
3577 | } | |
3578 | ||
3579 | static bool | |
3580 | blame_draw(struct view *view, struct line *line, unsigned int lineno, bool selected) | |
3581 | { | |
3582 | int tilde_attr = -1; | |
3583 | struct blame *blame = line->data; | |
3584 | int col = 0; | |
3585 | ||
3586 | wmove(view->win, lineno, 0); | |
3587 | ||
3588 | if (selected) { | |
3589 | wattrset(view->win, get_line_attr(LINE_CURSOR)); | |
3590 | wchgat(view->win, -1, 0, LINE_CURSOR, NULL); | |
3591 | } else { | |
3592 | wattrset(view->win, A_NORMAL); | |
3593 | tilde_attr = get_line_attr(LINE_MAIN_DELIM); | |
3594 | } | |
3595 | ||
3596 | if (opt_date) { | |
3597 | int n; | |
3598 | ||
3599 | if (!selected) | |
3600 | wattrset(view->win, get_line_attr(LINE_MAIN_DATE)); | |
3601 | if (blame->commit) { | |
3602 | char buf[DATE_COLS + 1]; | |
3603 | int timelen; | |
3604 | ||
3605 | timelen = strftime(buf, sizeof(buf), DATE_FORMAT, &blame->commit->time); | |
3606 | n = draw_text(view, buf, view->width - col, FALSE, tilde_attr); | |
3607 | draw_text(view, " ", view->width - col - n, FALSE, tilde_attr); | |
3608 | } | |
3609 | ||
3610 | col += DATE_COLS; | |
3611 | wmove(view->win, lineno, col); | |
3612 | if (col >= view->width) | |
3613 | return TRUE; | |
3614 | } | |
3615 | ||
3616 | if (opt_author) { | |
3617 | int max = MIN(AUTHOR_COLS - 1, view->width - col); | |
3618 | ||
3619 | if (!selected) | |
3620 | wattrset(view->win, get_line_attr(LINE_MAIN_AUTHOR)); | |
3621 | if (blame->commit) | |
3622 | draw_text(view, blame->commit->author, max, TRUE, tilde_attr); | |
3623 | col += AUTHOR_COLS; | |
3624 | if (col >= view->width) | |
3625 | return TRUE; | |
3626 | wmove(view->win, lineno, col); | |
3627 | } | |
3628 | ||
3629 | { | |
3630 | int max = MIN(ID_COLS - 1, view->width - col); | |
3631 | ||
3632 | if (!selected) | |
3633 | wattrset(view->win, get_line_attr(LINE_BLAME_ID)); | |
3634 | if (blame->commit) | |
3635 | draw_text(view, blame->commit->id, max, FALSE, -1); | |
3636 | col += ID_COLS; | |
3637 | if (col >= view->width) | |
3638 | return TRUE; | |
3639 | wmove(view->win, lineno, col); | |
3640 | } | |
3641 | ||
3642 | { | |
3643 | unsigned long real_lineno = view->offset + lineno + 1; | |
3644 | char number[10] = " "; | |
3645 | int max = MIN(view->digits, STRING_SIZE(number)); | |
3646 | bool showtrimmed = FALSE; | |
3647 | ||
3648 | if (real_lineno == 1 || | |
3649 | (real_lineno % opt_num_interval) == 0) { | |
3650 | char fmt[] = "%1ld"; | |
3651 | ||
3652 | if (view->digits <= 9) | |
3653 | fmt[1] = '0' + view->digits; | |
3654 | ||
3655 | if (!string_format(number, fmt, real_lineno)) | |
3656 | number[0] = 0; | |
3657 | showtrimmed = TRUE; | |
3658 | } | |
3659 | ||
3660 | if (max > view->width - col) | |
3661 | max = view->width - col; | |
3662 | if (!selected) | |
3663 | wattrset(view->win, get_line_attr(LINE_BLAME_LINENO)); | |
3664 | col += draw_text(view, number, max, showtrimmed, tilde_attr); | |
3665 | if (col >= view->width) | |
3666 | return TRUE; | |
3667 | } | |
3668 | ||
3669 | if (!selected) | |
3670 | wattrset(view->win, A_NORMAL); | |
3671 | ||
3672 | if (col >= view->width) | |
3673 | return TRUE; | |
3674 | waddch(view->win, ACS_VLINE); | |
3675 | col++; | |
3676 | if (col >= view->width) | |
3677 | return TRUE; | |
3678 | waddch(view->win, ' '); | |
3679 | col++; | |
3680 | col += draw_text(view, blame->text, view->width - col, TRUE, tilde_attr); | |
3681 | ||
3682 | return TRUE; | |
3683 | } | |
3684 | ||
3685 | static enum request | |
3686 | blame_request(struct view *view, enum request request, struct line *line) | |
3687 | { | |
3688 | enum open_flags flags = display[0] == view ? OPEN_SPLIT : OPEN_DEFAULT; | |
3689 | struct blame *blame = line->data; | |
3690 | ||
3691 | switch (request) { | |
3692 | case REQ_ENTER: | |
3693 | if (!blame->commit) { | |
3694 | report("No commit loaded yet"); | |
3695 | break; | |
3696 | } | |
3697 | ||
3698 | if (!strcmp(blame->commit->id, "0000000000000000000000000000000000000000")) { | |
3699 | char path[SIZEOF_STR]; | |
3700 | ||
3701 | if (sq_quote(path, 0, view->vid) >= sizeof(path)) | |
3702 | break; | |
3703 | string_format(opt_cmd, "git diff-index --root --patch-with-stat -C -M --cached HEAD -- %s 2>/dev/null", path); | |
3704 | } | |
3705 | ||
3706 | open_view(view, REQ_VIEW_DIFF, flags); | |
3707 | break; | |
3708 | ||
3709 | default: | |
3710 | return request; | |
3711 | } | |
3712 | ||
3713 | return REQ_NONE; | |
3714 | } | |
3715 | ||
3716 | static bool | |
3717 | blame_grep(struct view *view, struct line *line) | |
3718 | { | |
3719 | struct blame *blame = line->data; | |
3720 | struct blame_commit *commit = blame->commit; | |
3721 | regmatch_t pmatch; | |
3722 | ||
3723 | #define MATCH(text) \ | |
3724 | (*text && regexec(view->regex, text, 1, &pmatch, 0) != REG_NOMATCH) | |
3725 | ||
3726 | if (commit) { | |
3727 | char buf[DATE_COLS + 1]; | |
3728 | ||
3729 | if (MATCH(commit->title) || | |
3730 | MATCH(commit->author) || | |
3731 | MATCH(commit->id)) | |
3732 | return TRUE; | |
3733 | ||
3734 | if (strftime(buf, sizeof(buf), DATE_FORMAT, &commit->time) && | |
3735 | MATCH(buf)) | |
3736 | return TRUE; | |
3737 | } | |
3738 | ||
3739 | return MATCH(blame->text); | |
3740 | ||
3741 | #undef MATCH | |
3742 | } | |
3743 | ||
3744 | static void | |
3745 | blame_select(struct view *view, struct line *line) | |
3746 | { | |
3747 | struct blame *blame = line->data; | |
3748 | struct blame_commit *commit = blame->commit; | |
3749 | ||
3750 | if (!commit) | |
3751 | return; | |
3752 | ||
3753 | if (!strcmp(commit->id, "0000000000000000000000000000000000000000")) | |
3754 | string_ncopy(ref_commit, "HEAD", 4); | |
3755 | else | |
3756 | string_copy_rev(ref_commit, commit->id); | |
3757 | } | |
3758 | ||
3759 | static struct view_ops blame_ops = { | |
3760 | "line", | |
3761 | blame_open, | |
3762 | blame_read, | |
3763 | blame_draw, | |
3764 | blame_request, | |
3765 | blame_grep, | |
3766 | blame_select, | |
3767 | }; | |
e733ee54 JF |
3768 | |
3769 | /* | |
173d76ea JF |
3770 | * Status backend |
3771 | */ | |
3772 | ||
3773 | struct status { | |
3774 | char status; | |
3775 | struct { | |
3776 | mode_t mode; | |
3777 | char rev[SIZEOF_REV]; | |
5ba030cf | 3778 | char name[SIZEOF_STR]; |
173d76ea JF |
3779 | } old; |
3780 | struct { | |
3781 | mode_t mode; | |
3782 | char rev[SIZEOF_REV]; | |
5ba030cf | 3783 | char name[SIZEOF_STR]; |
173d76ea | 3784 | } new; |
173d76ea JF |
3785 | }; |
3786 | ||
b33611d8 JF |
3787 | static struct status stage_status; |
3788 | static enum line_type stage_line_type; | |
3789 | ||
173d76ea JF |
3790 | /* Get fields from the diff line: |
3791 | * :100644 100644 06a5d6ae9eca55be2e0e585a152e6b1336f2b20e 0000000000000000000000000000000000000000 M | |
3792 | */ | |
3793 | static inline bool | |
3794 | status_get_diff(struct status *file, char *buf, size_t bufsize) | |
3795 | { | |
3796 | char *old_mode = buf + 1; | |
3797 | char *new_mode = buf + 8; | |
3798 | char *old_rev = buf + 15; | |
3799 | char *new_rev = buf + 56; | |
3800 | char *status = buf + 97; | |
3801 | ||
5ba030cf | 3802 | if (bufsize < 99 || |
173d76ea JF |
3803 | old_mode[-1] != ':' || |
3804 | new_mode[-1] != ' ' || | |
3805 | old_rev[-1] != ' ' || | |
3806 | new_rev[-1] != ' ' || | |
3807 | status[-1] != ' ') | |
3808 | return FALSE; | |
3809 | ||
3810 | file->status = *status; | |
3811 | ||
3812 | string_copy_rev(file->old.rev, old_rev); | |
3813 | string_copy_rev(file->new.rev, new_rev); | |
3814 | ||
3815 | file->old.mode = strtoul(old_mode, NULL, 8); | |
3816 | file->new.mode = strtoul(new_mode, NULL, 8); | |
3817 | ||
5ba030cf | 3818 | file->old.name[0] = file->new.name[0] = 0; |
173d76ea JF |
3819 | |
3820 | return TRUE; | |
3821 | } | |
3822 | ||
3823 | static bool | |
3824 | status_run(struct view *view, const char cmd[], bool diff, enum line_type type) | |
3825 | { | |
3826 | struct status *file = NULL; | |
b5c18d9d | 3827 | struct status *unmerged = NULL; |
173d76ea JF |
3828 | char buf[SIZEOF_STR * 4]; |
3829 | size_t bufsize = 0; | |
3830 | FILE *pipe; | |
3831 | ||
3832 | pipe = popen(cmd, "r"); | |
3833 | if (!pipe) | |
3834 | return FALSE; | |
3835 | ||
3836 | add_line_data(view, NULL, type); | |
3837 | ||
3838 | while (!feof(pipe) && !ferror(pipe)) { | |
3839 | char *sep; | |
3840 | size_t readsize; | |
3841 | ||
3842 | readsize = fread(buf + bufsize, 1, sizeof(buf) - bufsize, pipe); | |
3843 | if (!readsize) | |
3844 | break; | |
3845 | bufsize += readsize; | |
3846 | ||
3847 | /* Process while we have NUL chars. */ | |
3848 | while ((sep = memchr(buf, 0, bufsize))) { | |
3849 | size_t sepsize = sep - buf + 1; | |
3850 | ||
3851 | if (!file) { | |
3852 | if (!realloc_lines(view, view->line_size + 1)) | |
3853 | goto error_out; | |
3854 | ||
3855 | file = calloc(1, sizeof(*file)); | |
3856 | if (!file) | |
3857 | goto error_out; | |
3858 | ||
3859 | add_line_data(view, file, type); | |
3860 | } | |
3861 | ||
3862 | /* Parse diff info part. */ | |
3863 | if (!diff) { | |
3864 | file->status = '?'; | |
3865 | ||
3866 | } else if (!file->status) { | |
3867 | if (!status_get_diff(file, buf, sepsize)) | |
3868 | goto error_out; | |
3869 | ||
3870 | bufsize -= sepsize; | |
3871 | memmove(buf, sep + 1, bufsize); | |
3872 | ||
3873 | sep = memchr(buf, 0, bufsize); | |
3874 | if (!sep) | |
3875 | break; | |
3876 | sepsize = sep - buf + 1; | |
b5c18d9d JF |
3877 | |
3878 | /* Collapse all 'M'odified entries that | |
3879 | * follow a associated 'U'nmerged entry. | |
3880 | */ | |
3881 | if (file->status == 'U') { | |
3882 | unmerged = file; | |
3883 | ||
3884 | } else if (unmerged) { | |
5ba030cf | 3885 | int collapse = !strcmp(buf, unmerged->new.name); |
b5c18d9d JF |
3886 | |
3887 | unmerged = NULL; | |
3888 | if (collapse) { | |
3889 | free(file); | |
3890 | view->lines--; | |
3891 | continue; | |
3892 | } | |
3893 | } | |
173d76ea JF |
3894 | } |
3895 | ||
5ba030cf JF |
3896 | /* Grab the old name for rename/copy. */ |
3897 | if (!*file->old.name && | |
3898 | (file->status == 'R' || file->status == 'C')) { | |
3899 | sepsize = sep - buf + 1; | |
3900 | string_ncopy(file->old.name, buf, sepsize); | |
3901 | bufsize -= sepsize; | |
3902 | memmove(buf, sep + 1, bufsize); | |
3903 | ||
3904 | sep = memchr(buf, 0, bufsize); | |
3905 | if (!sep) | |
3906 | break; | |
3907 | sepsize = sep - buf + 1; | |
3908 | } | |
3909 | ||
173d76ea JF |
3910 | /* git-ls-files just delivers a NUL separated |
3911 | * list of file names similar to the second half | |
3912 | * of the git-diff-* output. */ | |
5ba030cf JF |
3913 | string_ncopy(file->new.name, buf, sepsize); |
3914 | if (!*file->old.name) | |
3915 | string_copy(file->old.name, file->new.name); | |
173d76ea JF |
3916 | bufsize -= sepsize; |
3917 | memmove(buf, sep + 1, bufsize); | |
3918 | file = NULL; | |
3919 | } | |
3920 | } | |
3921 | ||
3922 | if (ferror(pipe)) { | |
3923 | error_out: | |
3924 | pclose(pipe); | |
3925 | return FALSE; | |
3926 | } | |
3927 | ||
3928 | if (!view->line[view->lines - 1].data) | |
3929 | add_line_data(view, NULL, LINE_STAT_NONE); | |
3930 | ||
3931 | pclose(pipe); | |
3932 | return TRUE; | |
3933 | } | |
3934 | ||
b5c18d9d | 3935 | /* Don't show unmerged entries in the staged section. */ |
5ba030cf | 3936 | #define STATUS_DIFF_INDEX_CMD "git diff-index -z --diff-filter=ACDMRTXB --cached -M HEAD" |
b1744cbe | 3937 | #define STATUS_DIFF_FILES_CMD "git diff-files -z" |
173d76ea | 3938 | #define STATUS_LIST_OTHER_CMD \ |
810f0078 | 3939 | "git ls-files -z --others --exclude-per-directory=.gitignore" |
173d76ea | 3940 | |
f99c6095 | 3941 | #define STATUS_DIFF_INDEX_SHOW_CMD \ |
5ba030cf | 3942 | "git diff-index --root --patch-with-stat -C -M --cached HEAD -- %s %s 2>/dev/null" |
f99c6095 JF |
3943 | |
3944 | #define STATUS_DIFF_FILES_SHOW_CMD \ | |
5ba030cf | 3945 | "git diff-files --root --patch-with-stat -C -M -- %s %s 2>/dev/null" |
89d917a2 | 3946 | |
173d76ea JF |
3947 | /* First parse staged info using git-diff-index(1), then parse unstaged |
3948 | * info using git-diff-files(1), and finally untracked files using | |
3949 | * git-ls-files(1). */ | |
3950 | static bool | |
3951 | status_open(struct view *view) | |
3952 | { | |
810f0078 JF |
3953 | struct stat statbuf; |
3954 | char exclude[SIZEOF_STR]; | |
3955 | char cmd[SIZEOF_STR]; | |
12e8c2be | 3956 | unsigned long prev_lineno = view->lineno; |
173d76ea JF |
3957 | size_t i; |
3958 | ||
3959 | for (i = 0; i < view->lines; i++) | |
3960 | free(view->line[i].data); | |
3961 | free(view->line); | |
518234f1 | 3962 | view->lines = view->line_alloc = view->line_size = view->lineno = 0; |
173d76ea JF |
3963 | view->line = NULL; |
3964 | ||
3965 | if (!realloc_lines(view, view->line_size + 6)) | |
3966 | return FALSE; | |
3967 | ||
810f0078 JF |
3968 | if (!string_format(exclude, "%s/info/exclude", opt_git_dir)) |
3969 | return FALSE; | |
3970 | ||
3971 | string_copy(cmd, STATUS_LIST_OTHER_CMD); | |
3972 | ||
3973 | if (stat(exclude, &statbuf) >= 0) { | |
3974 | size_t cmdsize = strlen(cmd); | |
3975 | ||
3976 | if (!string_format_from(cmd, &cmdsize, " %s", "--exclude-from=") || | |
3977 | sq_quote(cmd, cmdsize, exclude) >= sizeof(cmd)) | |
3978 | return FALSE; | |
3979 | } | |
3980 | ||
b1744cbe JF |
3981 | system("git update-index -q --refresh"); |
3982 | ||
173d76ea JF |
3983 | if (!status_run(view, STATUS_DIFF_INDEX_CMD, TRUE, LINE_STAT_STAGED) || |
3984 | !status_run(view, STATUS_DIFF_FILES_CMD, TRUE, LINE_STAT_UNSTAGED) || | |
810f0078 | 3985 | !status_run(view, cmd, FALSE, LINE_STAT_UNTRACKED)) |
173d76ea JF |
3986 | return FALSE; |
3987 | ||
12e8c2be JF |
3988 | /* If all went well restore the previous line number to stay in |
3989 | * the context. */ | |
3990 | if (prev_lineno < view->lines) | |
3991 | view->lineno = prev_lineno; | |
3992 | else | |
3993 | view->lineno = view->lines - 1; | |
3994 | ||
173d76ea JF |
3995 | return TRUE; |
3996 | } | |
3997 | ||
3998 | static bool | |
3999 | status_draw(struct view *view, struct line *line, unsigned int lineno, bool selected) | |
4000 | { | |
4001 | struct status *status = line->data; | |
749cdc92 | 4002 | int tilde_attr = get_line_attr(LINE_MAIN_DELIM); |
173d76ea JF |
4003 | |
4004 | wmove(view->win, lineno, 0); | |
4005 | ||
4006 | if (selected) { | |
4007 | wattrset(view->win, get_line_attr(LINE_CURSOR)); | |
4008 | wchgat(view->win, -1, 0, LINE_CURSOR, NULL); | |
749cdc92 | 4009 | tilde_attr = -1; |
173d76ea JF |
4010 | |
4011 | } else if (!status && line->type != LINE_STAT_NONE) { | |
4012 | wattrset(view->win, get_line_attr(LINE_STAT_SECTION)); | |
4013 | wchgat(view->win, -1, 0, LINE_STAT_SECTION, NULL); | |
4014 | ||
4015 | } else { | |
4016 | wattrset(view->win, get_line_attr(line->type)); | |
4017 | } | |
4018 | ||
4019 | if (!status) { | |
4020 | char *text; | |
4021 | ||
4022 | switch (line->type) { | |
4023 | case LINE_STAT_STAGED: | |
4024 | text = "Changes to be committed:"; | |
4025 | break; | |
4026 | ||
4027 | case LINE_STAT_UNSTAGED: | |
4028 | text = "Changed but not updated:"; | |
4029 | break; | |
4030 | ||
4031 | case LINE_STAT_UNTRACKED: | |
4032 | text = "Untracked files:"; | |
4033 | break; | |
4034 | ||
4035 | case LINE_STAT_NONE: | |
4036 | text = " (no files)"; | |
4037 | break; | |
4038 | ||
4039 | default: | |
4040 | return FALSE; | |
4041 | } | |
4042 | ||
a00fff3c | 4043 | draw_text(view, text, view->width, TRUE, tilde_attr); |
173d76ea JF |
4044 | return TRUE; |
4045 | } | |
4046 | ||
4047 | waddch(view->win, status->status); | |
4048 | if (!selected) | |
4049 | wattrset(view->win, A_NORMAL); | |
4050 | wmove(view->win, lineno, 4); | |
749cdc92 JF |
4051 | if (view->width < 5) |
4052 | return TRUE; | |
173d76ea | 4053 | |
a00fff3c | 4054 | draw_text(view, status->new.name, view->width - 5, TRUE, tilde_attr); |
173d76ea JF |
4055 | return TRUE; |
4056 | } | |
4057 | ||
586c423d | 4058 | static enum request |
88f66e2d | 4059 | status_enter(struct view *view, struct line *line) |
173d76ea | 4060 | { |
89d917a2 | 4061 | struct status *status = line->data; |
5ba030cf JF |
4062 | char oldpath[SIZEOF_STR] = ""; |
4063 | char newpath[SIZEOF_STR] = ""; | |
89d917a2 JF |
4064 | char *info; |
4065 | size_t cmdsize = 0; | |
4066 | ||
4e8159cf JF |
4067 | if (line->type == LINE_STAT_NONE || |
4068 | (!status && line[1].type == LINE_STAT_NONE)) { | |
4069 | report("No file to diff"); | |
586c423d | 4070 | return REQ_NONE; |
89d917a2 JF |
4071 | } |
4072 | ||
5ba030cf JF |
4073 | if (status) { |
4074 | if (sq_quote(oldpath, 0, status->old.name) >= sizeof(oldpath)) | |
4075 | return REQ_QUIT; | |
4076 | /* Diffs for unmerged entries are empty when pasing the | |
4077 | * new path, so leave it empty. */ | |
4078 | if (status->status != 'U' && | |
4079 | sq_quote(newpath, 0, status->new.name) >= sizeof(newpath)) | |
4080 | return REQ_QUIT; | |
4081 | } | |
89d917a2 JF |
4082 | |
4083 | if (opt_cdup[0] && | |
4084 | line->type != LINE_STAT_UNTRACKED && | |
4085 | !string_format_from(opt_cmd, &cmdsize, "cd %s;", opt_cdup)) | |
586c423d | 4086 | return REQ_QUIT; |
89d917a2 JF |
4087 | |
4088 | switch (line->type) { | |
4089 | case LINE_STAT_STAGED: | |
f99c6095 | 4090 | if (!string_format_from(opt_cmd, &cmdsize, |
5ba030cf | 4091 | STATUS_DIFF_INDEX_SHOW_CMD, oldpath, newpath)) |
586c423d | 4092 | return REQ_QUIT; |
4e8159cf JF |
4093 | if (status) |
4094 | info = "Staged changes to %s"; | |
4095 | else | |
4096 | info = "Staged changes"; | |
89d917a2 JF |
4097 | break; |
4098 | ||
4099 | case LINE_STAT_UNSTAGED: | |
f99c6095 | 4100 | if (!string_format_from(opt_cmd, &cmdsize, |
5ba030cf | 4101 | STATUS_DIFF_FILES_SHOW_CMD, oldpath, newpath)) |
586c423d | 4102 | return REQ_QUIT; |
4e8159cf JF |
4103 | if (status) |
4104 | info = "Unstaged changes to %s"; | |
4105 | else | |
4106 | info = "Unstaged changes"; | |
89d917a2 JF |
4107 | break; |
4108 | ||
4109 | case LINE_STAT_UNTRACKED: | |
4110 | if (opt_pipe) | |
586c423d JF |
4111 | return REQ_QUIT; |
4112 | ||
4e8159cf JF |
4113 | |
4114 | if (!status) { | |
4115 | report("No file to show"); | |
586c423d | 4116 | return REQ_NONE; |
4e8159cf JF |
4117 | } |
4118 | ||
5ba030cf | 4119 | opt_pipe = fopen(status->new.name, "r"); |
89d917a2 JF |
4120 | info = "Untracked file %s"; |
4121 | break; | |
4122 | ||
4123 | default: | |
e77aa656 | 4124 | die("line type %d not handled in switch", line->type); |
89d917a2 JF |
4125 | } |
4126 | ||
3e634113 JF |
4127 | open_view(view, REQ_VIEW_STAGE, OPEN_RELOAD | OPEN_SPLIT); |
4128 | if (view_is_displayed(VIEW(REQ_VIEW_STAGE))) { | |
b33611d8 JF |
4129 | if (status) { |
4130 | stage_status = *status; | |
4131 | } else { | |
4132 | memset(&stage_status, 0, sizeof(stage_status)); | |
4133 | } | |
4134 | ||
4135 | stage_line_type = line->type; | |
5ba030cf | 4136 | string_format(VIEW(REQ_VIEW_STAGE)->ref, info, stage_status.new.name); |
89d917a2 JF |
4137 | } |
4138 | ||
586c423d | 4139 | return REQ_NONE; |
ca1d71ea JF |
4140 | } |
4141 | ||
88f66e2d | 4142 | |
ca1d71ea JF |
4143 | static bool |
4144 | status_update_file(struct view *view, struct status *status, enum line_type type) | |
4145 | { | |
91c5d983 | 4146 | char cmd[SIZEOF_STR]; |
173d76ea | 4147 | char buf[SIZEOF_STR]; |
91c5d983 | 4148 | size_t cmdsize = 0; |
173d76ea JF |
4149 | size_t bufsize = 0; |
4150 | size_t written = 0; | |
4151 | FILE *pipe; | |
4152 | ||
91c5d983 | 4153 | if (opt_cdup[0] && |
ca1d71ea | 4154 | type != LINE_STAT_UNTRACKED && |
91c5d983 JF |
4155 | !string_format_from(cmd, &cmdsize, "cd %s;", opt_cdup)) |
4156 | return FALSE; | |
4157 | ||
ca1d71ea | 4158 | switch (type) { |
173d76ea JF |
4159 | case LINE_STAT_STAGED: |
4160 | if (!string_format_from(buf, &bufsize, "%06o %s\t%s%c", | |
4161 | status->old.mode, | |
4162 | status->old.rev, | |
5ba030cf | 4163 | status->old.name, 0)) |
173d76ea | 4164 | return FALSE; |
91c5d983 JF |
4165 | |
4166 | string_add(cmd, cmdsize, "git update-index -z --index-info"); | |
173d76ea JF |
4167 | break; |
4168 | ||
4169 | case LINE_STAT_UNSTAGED: | |
4170 | case LINE_STAT_UNTRACKED: | |
5ba030cf | 4171 | if (!string_format_from(buf, &bufsize, "%s%c", status->new.name, 0)) |
173d76ea | 4172 | return FALSE; |
91c5d983 JF |
4173 | |
4174 | string_add(cmd, cmdsize, "git update-index -z --add --remove --stdin"); | |
173d76ea JF |
4175 | break; |
4176 | ||
4177 | default: | |
e77aa656 | 4178 | die("line type %d not handled in switch", type); |
173d76ea JF |
4179 | } |
4180 | ||
4181 | pipe = popen(cmd, "w"); | |
4182 | if (!pipe) | |
4183 | return FALSE; | |
4184 | ||
4185 | while (!ferror(pipe) && written < bufsize) { | |
4186 | written += fwrite(buf + written, 1, bufsize - written, pipe); | |
4187 | } | |
4188 | ||
4189 | pclose(pipe); | |
4190 | ||
4191 | if (written != bufsize) | |
4192 | return FALSE; | |
4193 | ||
173d76ea JF |
4194 | return TRUE; |
4195 | } | |
4196 | ||
4197 | static void | |
ca1d71ea JF |
4198 | status_update(struct view *view) |
4199 | { | |
dec7b437 | 4200 | struct line *line = &view->line[view->lineno]; |
351917f8 | 4201 | |
dec7b437 | 4202 | assert(view->lines); |
11359638 | 4203 | |
dec7b437 JF |
4204 | if (!line->data) { |
4205 | while (++line < view->line + view->lines && line->data) { | |
4206 | if (!status_update_file(view, line->data, line->type)) | |
4207 | report("Failed to update file status"); | |
4208 | } | |
11359638 | 4209 | |
dec7b437 JF |
4210 | if (!line[-1].data) { |
4211 | report("Nothing to update"); | |
4212 | return; | |
93e4c4f6 JF |
4213 | } |
4214 | ||
dec7b437 JF |
4215 | } else if (!status_update_file(view, line->data, line->type)) { |
4216 | report("Failed to update file status"); | |
ca1d71ea JF |
4217 | } |
4218 | } | |
4219 | ||
88f66e2d JF |
4220 | static enum request |
4221 | status_request(struct view *view, enum request request, struct line *line) | |
4222 | { | |
0cea0d43 JF |
4223 | struct status *status = line->data; |
4224 | ||
88f66e2d JF |
4225 | switch (request) { |
4226 | case REQ_STATUS_UPDATE: | |
4227 | status_update(view); | |
4228 | break; | |
4229 | ||
b5c18d9d | 4230 | case REQ_STATUS_MERGE: |
91521b9d JF |
4231 | if (!status || status->status != 'U') { |
4232 | report("Merging only possible for files with unmerged status ('U')."); | |
4233 | return REQ_NONE; | |
4234 | } | |
5ba030cf | 4235 | open_mergetool(status->new.name); |
b5c18d9d JF |
4236 | break; |
4237 | ||
0cea0d43 JF |
4238 | case REQ_EDIT: |
4239 | if (!status) | |
4240 | return request; | |
4241 | ||
5ba030cf | 4242 | open_editor(status->status != '?', status->new.name); |
0cea0d43 JF |
4243 | break; |
4244 | ||
8a680988 JF |
4245 | case REQ_VIEW_BLAME: |
4246 | if (status) { | |
4247 | string_copy(opt_path, status->new.name); | |
4248 | opt_ref[0] = 0; | |
4249 | } | |
4250 | return request; | |
4251 | ||
88f66e2d | 4252 | case REQ_ENTER: |
17a27c16 JF |
4253 | /* After returning the status view has been split to |
4254 | * show the stage view. No further reloading is | |
4255 | * necessary. */ | |
88f66e2d | 4256 | status_enter(view, line); |
17a27c16 | 4257 | return REQ_NONE; |
88f66e2d | 4258 | |
acaef3b3 | 4259 | case REQ_REFRESH: |
17a27c16 | 4260 | /* Simply reload the view. */ |
acaef3b3 JF |
4261 | break; |
4262 | ||
88f66e2d JF |
4263 | default: |
4264 | return request; | |
4265 | } | |
4266 | ||
17a27c16 JF |
4267 | open_view(view, REQ_VIEW_STATUS, OPEN_RELOAD); |
4268 | ||
88f66e2d JF |
4269 | return REQ_NONE; |
4270 | } | |
4271 | ||
ca1d71ea | 4272 | static void |
173d76ea JF |
4273 | status_select(struct view *view, struct line *line) |
4274 | { | |
11359638 JF |
4275 | struct status *status = line->data; |
4276 | char file[SIZEOF_STR] = "all files"; | |
173d76ea | 4277 | char *text; |
b5c18d9d | 4278 | char *key; |
173d76ea | 4279 | |
5ba030cf | 4280 | if (status && !string_format(file, "'%s'", status->new.name)) |
11359638 JF |
4281 | return; |
4282 | ||
4283 | if (!status && line[1].type == LINE_STAT_NONE) | |
4284 | line++; | |
4285 | ||
173d76ea JF |
4286 | switch (line->type) { |
4287 | case LINE_STAT_STAGED: | |
11359638 | 4288 | text = "Press %s to unstage %s for commit"; |
173d76ea JF |
4289 | break; |
4290 | ||
4291 | case LINE_STAT_UNSTAGED: | |
11359638 | 4292 | text = "Press %s to stage %s for commit"; |
173d76ea JF |
4293 | break; |
4294 | ||
4295 | case LINE_STAT_UNTRACKED: | |
11359638 | 4296 | text = "Press %s to stage %s for addition"; |
173d76ea JF |
4297 | break; |
4298 | ||
4299 | case LINE_STAT_NONE: | |
11359638 JF |
4300 | text = "Nothing to update"; |
4301 | break; | |
173d76ea JF |
4302 | |
4303 | default: | |
e77aa656 | 4304 | die("line type %d not handled in switch", line->type); |
173d76ea JF |
4305 | } |
4306 | ||
b5c18d9d JF |
4307 | if (status && status->status == 'U') { |
4308 | text = "Press %s to resolve conflict in %s"; | |
4309 | key = get_key(REQ_STATUS_MERGE); | |
4310 | ||
4311 | } else { | |
4312 | key = get_key(REQ_STATUS_UPDATE); | |
4313 | } | |
4314 | ||
4315 | string_format(view->ref, text, key, file); | |
173d76ea JF |
4316 | } |
4317 | ||
4318 | static bool | |
4319 | status_grep(struct view *view, struct line *line) | |
4320 | { | |
4321 | struct status *status = line->data; | |
4322 | enum { S_STATUS, S_NAME, S_END } state; | |
4323 | char buf[2] = "?"; | |
4324 | regmatch_t pmatch; | |
4325 | ||
4326 | if (!status) | |
4327 | return FALSE; | |
4328 | ||
4329 | for (state = S_STATUS; state < S_END; state++) { | |
4330 | char *text; | |
4331 | ||
4332 | switch (state) { | |
5ba030cf | 4333 | case S_NAME: text = status->new.name; break; |
173d76ea JF |
4334 | case S_STATUS: |
4335 | buf[0] = status->status; | |
4336 | text = buf; | |
4337 | break; | |
4338 | ||
4339 | default: | |
4340 | return FALSE; | |
4341 | } | |
4342 | ||
4343 | if (regexec(view->regex, text, 1, &pmatch, 0) != REG_NOMATCH) | |
4344 | return TRUE; | |
4345 | } | |
4346 | ||
4347 | return FALSE; | |
4348 | } | |
4349 | ||
4350 | static struct view_ops status_ops = { | |
4351 | "file", | |
4352 | status_open, | |
4353 | NULL, | |
4354 | status_draw, | |
586c423d | 4355 | status_request, |
173d76ea JF |
4356 | status_grep, |
4357 | status_select, | |
4358 | }; | |
4359 | ||
b33611d8 JF |
4360 | |
4361 | static bool | |
4362 | stage_diff_line(FILE *pipe, struct line *line) | |
4363 | { | |
4364 | char *buf = line->data; | |
4365 | size_t bufsize = strlen(buf); | |
4366 | size_t written = 0; | |
4367 | ||
4368 | while (!ferror(pipe) && written < bufsize) { | |
4369 | written += fwrite(buf + written, 1, bufsize - written, pipe); | |
4370 | } | |
4371 | ||
4372 | fputc('\n', pipe); | |
4373 | ||
4374 | return written == bufsize; | |
4375 | } | |
4376 | ||
4377 | static struct line * | |
4378 | stage_diff_hdr(struct view *view, struct line *line) | |
4379 | { | |
4380 | int diff_hdr_dir = line->type == LINE_DIFF_CHUNK ? -1 : 1; | |
4381 | struct line *diff_hdr; | |
4382 | ||
4383 | if (line->type == LINE_DIFF_CHUNK) | |
4384 | diff_hdr = line - 1; | |
4385 | else | |
4386 | diff_hdr = view->line + 1; | |
4387 | ||
4388 | while (diff_hdr > view->line && diff_hdr < view->line + view->lines) { | |
4389 | if (diff_hdr->type == LINE_DIFF_HEADER) | |
4390 | return diff_hdr; | |
4391 | ||
4392 | diff_hdr += diff_hdr_dir; | |
4393 | } | |
4394 | ||
4395 | return NULL; | |
4396 | } | |
4397 | ||
4398 | static bool | |
4399 | stage_update_chunk(struct view *view, struct line *line) | |
4400 | { | |
4401 | char cmd[SIZEOF_STR]; | |
4402 | size_t cmdsize = 0; | |
4403 | struct line *diff_hdr, *diff_chunk, *diff_end; | |
4404 | FILE *pipe; | |
4405 | ||
4406 | diff_hdr = stage_diff_hdr(view, line); | |
4407 | if (!diff_hdr) | |
4408 | return FALSE; | |
4409 | ||
4410 | if (opt_cdup[0] && | |
4411 | !string_format_from(cmd, &cmdsize, "cd %s;", opt_cdup)) | |
4412 | return FALSE; | |
4413 | ||
4414 | if (!string_format_from(cmd, &cmdsize, | |
4415 | "git apply --cached %s - && " | |
4416 | "git update-index -q --unmerged --refresh 2>/dev/null", | |
4417 | stage_line_type == LINE_STAT_STAGED ? "-R" : "")) | |
4418 | return FALSE; | |
4419 | ||
4420 | pipe = popen(cmd, "w"); | |
4421 | if (!pipe) | |
4422 | return FALSE; | |
4423 | ||
4424 | diff_end = view->line + view->lines; | |
4425 | if (line->type != LINE_DIFF_CHUNK) { | |
4426 | diff_chunk = diff_hdr; | |
4427 | ||
4428 | } else { | |
4429 | for (diff_chunk = line + 1; diff_chunk < diff_end; diff_chunk++) | |
4430 | if (diff_chunk->type == LINE_DIFF_CHUNK || | |
4431 | diff_chunk->type == LINE_DIFF_HEADER) | |
4432 | diff_end = diff_chunk; | |
4433 | ||
4434 | diff_chunk = line; | |
4435 | ||
4436 | while (diff_hdr->type != LINE_DIFF_CHUNK) { | |
4437 | switch (diff_hdr->type) { | |
4438 | case LINE_DIFF_HEADER: | |
4439 | case LINE_DIFF_INDEX: | |
4440 | case LINE_DIFF_ADD: | |
4441 | case LINE_DIFF_DEL: | |
4442 | break; | |
4443 | ||
4444 | default: | |
4445 | diff_hdr++; | |
4446 | continue; | |
4447 | } | |
4448 | ||
4449 | if (!stage_diff_line(pipe, diff_hdr++)) { | |
4450 | pclose(pipe); | |
4451 | return FALSE; | |
4452 | } | |
4453 | } | |
4454 | } | |
4455 | ||
4456 | while (diff_chunk < diff_end && stage_diff_line(pipe, diff_chunk)) | |
4457 | diff_chunk++; | |
4458 | ||
4459 | pclose(pipe); | |
4460 | ||
4461 | if (diff_chunk != diff_end) | |
4462 | return FALSE; | |
4463 | ||
4464 | return TRUE; | |
4465 | } | |
4466 | ||
4467 | static void | |
4468 | stage_update(struct view *view, struct line *line) | |
4469 | { | |
4470 | if (stage_line_type != LINE_STAT_UNTRACKED && | |
4471 | (line->type == LINE_DIFF_CHUNK || !stage_status.status)) { | |
4472 | if (!stage_update_chunk(view, line)) { | |
4473 | report("Failed to apply chunk"); | |
4474 | return; | |
4475 | } | |
4476 | ||
4477 | } else if (!status_update_file(view, &stage_status, stage_line_type)) { | |
4478 | report("Failed to update file"); | |
4479 | return; | |
4480 | } | |
4481 | ||
4482 | open_view(view, REQ_VIEW_STATUS, OPEN_RELOAD); | |
4483 | ||
4484 | view = VIEW(REQ_VIEW_STATUS); | |
4485 | if (view_is_displayed(view)) | |
4486 | status_enter(view, &view->line[view->lineno]); | |
4487 | } | |
4488 | ||
4489 | static enum request | |
4490 | stage_request(struct view *view, enum request request, struct line *line) | |
4491 | { | |
4492 | switch (request) { | |
4493 | case REQ_STATUS_UPDATE: | |
4494 | stage_update(view, line); | |
4495 | break; | |
4496 | ||
4497 | case REQ_EDIT: | |
5ba030cf | 4498 | if (!stage_status.new.name[0]) |
b33611d8 JF |
4499 | return request; |
4500 | ||
5ba030cf | 4501 | open_editor(stage_status.status != '?', stage_status.new.name); |
b33611d8 JF |
4502 | break; |
4503 | ||
8a680988 JF |
4504 | case REQ_VIEW_BLAME: |
4505 | if (stage_status.new.name[0]) { | |
4506 | string_copy(opt_path, stage_status.new.name); | |
4507 | opt_ref[0] = 0; | |
4508 | } | |
4509 | return request; | |
4510 | ||
b33611d8 JF |
4511 | case REQ_ENTER: |
4512 | pager_request(view, request, line); | |
4513 | break; | |
4514 | ||
4515 | default: | |
4516 | return request; | |
4517 | } | |
4518 | ||
4519 | return REQ_NONE; | |
4520 | } | |
4521 | ||
3e634113 JF |
4522 | static struct view_ops stage_ops = { |
4523 | "line", | |
4524 | NULL, | |
4525 | pager_read, | |
4526 | pager_draw, | |
b33611d8 | 4527 | stage_request, |
3e634113 JF |
4528 | pager_grep, |
4529 | pager_select, | |
4530 | }; | |
173d76ea | 4531 | |
b33611d8 | 4532 | |
173d76ea | 4533 | /* |
ccc33449 | 4534 | * Revision graph |
ff26aa29 JF |
4535 | */ |
4536 | ||
4537 | struct commit { | |
10446330 | 4538 | char id[SIZEOF_REV]; /* SHA1 ID. */ |
aea510c8 | 4539 | char title[128]; /* First line of the commit message. */ |
54efb62b JF |
4540 | char author[75]; /* Author of the commit. */ |
4541 | struct tm time; /* Date from the author ident. */ | |
4542 | struct ref **refs; /* Repository references. */ | |
4543 | chtype graph[SIZEOF_REVGRAPH]; /* Ancestry chain graphics. */ | |
4544 | size_t graph_size; /* The width of the graph array. */ | |
d3b19ca4 | 4545 | bool has_parents; /* Rewritten --parents seen. */ |
ff26aa29 | 4546 | }; |
c34d9c9f | 4547 | |
ccc33449 JF |
4548 | /* Size of rev graph with no "padding" columns */ |
4549 | #define SIZEOF_REVITEMS (SIZEOF_REVGRAPH - (SIZEOF_REVGRAPH / 2)) | |
2b757533 | 4550 | |
2ce5c87c JF |
4551 | struct rev_graph { |
4552 | struct rev_graph *prev, *next, *parents; | |
2b757533 JF |
4553 | char rev[SIZEOF_REVITEMS][SIZEOF_REV]; |
4554 | size_t size; | |
88757ebd JF |
4555 | struct commit *commit; |
4556 | size_t pos; | |
e81e9c2c | 4557 | unsigned int boundary:1; |
2b757533 JF |
4558 | }; |
4559 | ||
2b757533 | 4560 | /* Parents of the commit being visualized. */ |
446a5c36 | 4561 | static struct rev_graph graph_parents[4]; |
c8d60a25 | 4562 | |
c65a501a | 4563 | /* The current stack of revisions on the graph. */ |
446a5c36 JF |
4564 | static struct rev_graph graph_stacks[4] = { |
4565 | { &graph_stacks[3], &graph_stacks[1], &graph_parents[0] }, | |
c65a501a | 4566 | { &graph_stacks[0], &graph_stacks[2], &graph_parents[1] }, |
446a5c36 JF |
4567 | { &graph_stacks[1], &graph_stacks[3], &graph_parents[2] }, |
4568 | { &graph_stacks[2], &graph_stacks[0], &graph_parents[3] }, | |
c65a501a JF |
4569 | }; |
4570 | ||
9e43b9cd | 4571 | static inline bool |
2ce5c87c | 4572 | graph_parent_is_merge(struct rev_graph *graph) |
9e43b9cd JF |
4573 | { |
4574 | return graph->parents->size > 1; | |
4575 | } | |
4576 | ||
88757ebd | 4577 | static inline void |
2ce5c87c | 4578 | append_to_rev_graph(struct rev_graph *graph, chtype symbol) |
88757ebd | 4579 | { |
2c27faac JF |
4580 | struct commit *commit = graph->commit; |
4581 | ||
4582 | if (commit->graph_size < ARRAY_SIZE(commit->graph) - 1) | |
4583 | commit->graph[commit->graph_size++] = symbol; | |
88757ebd JF |
4584 | } |
4585 | ||
2b757533 | 4586 | static void |
2ce5c87c | 4587 | done_rev_graph(struct rev_graph *graph) |
987890af JF |
4588 | { |
4589 | if (graph_parent_is_merge(graph) && | |
4590 | graph->pos < graph->size - 1 && | |
4591 | graph->next->size == graph->size + graph->parents->size - 1) { | |
4592 | size_t i = graph->pos + graph->parents->size - 1; | |
4593 | ||
4594 | graph->commit->graph_size = i * 2; | |
4595 | while (i < graph->next->size - 1) { | |
4596 | append_to_rev_graph(graph, ' '); | |
4597 | append_to_rev_graph(graph, '\\'); | |
4598 | i++; | |
4599 | } | |
4600 | } | |
4601 | ||
4602 | graph->size = graph->pos = 0; | |
4603 | graph->commit = NULL; | |
4604 | memset(graph->parents, 0, sizeof(*graph->parents)); | |
4605 | } | |
4606 | ||
4607 | static void | |
2ce5c87c | 4608 | push_rev_graph(struct rev_graph *graph, char *parent) |
2b757533 | 4609 | { |
2fe894e6 JF |
4610 | int i; |
4611 | ||
4612 | /* "Collapse" duplicate parents lines. | |
4613 | * | |
4614 | * FIXME: This needs to also update update the drawn graph but | |
4615 | * for now it just serves as a method for pruning graph lines. */ | |
4616 | for (i = 0; i < graph->size; i++) | |
4617 | if (!strncmp(graph->rev[i], parent, SIZEOF_REV)) | |
4618 | return; | |
2b757533 | 4619 | |
2ce5c87c | 4620 | if (graph->size < SIZEOF_REVITEMS) { |
739e81de | 4621 | string_copy_rev(graph->rev[graph->size++], parent); |
2b757533 JF |
4622 | } |
4623 | } | |
4624 | ||
92507a24 JF |
4625 | static chtype |
4626 | get_rev_graph_symbol(struct rev_graph *graph) | |
2b757533 | 4627 | { |
92507a24 | 4628 | chtype symbol; |
2b757533 | 4629 | |
e81e9c2c JF |
4630 | if (graph->boundary) |
4631 | symbol = REVGRAPH_BOUND; | |
4632 | else if (graph->parents->size == 0) | |
c8d60a25 | 4633 | symbol = REVGRAPH_INIT; |
18ffaa23 | 4634 | else if (graph_parent_is_merge(graph)) |
c8d60a25 | 4635 | symbol = REVGRAPH_MERGE; |
c65a501a | 4636 | else if (graph->pos >= graph->size) |
c8d60a25 | 4637 | symbol = REVGRAPH_BRANCH; |
2b757533 | 4638 | else |
c8d60a25 | 4639 | symbol = REVGRAPH_COMMIT; |
1dcb3bec | 4640 | |
92507a24 JF |
4641 | return symbol; |
4642 | } | |
4643 | ||
4644 | static void | |
4645 | draw_rev_graph(struct rev_graph *graph) | |
4646 | { | |
e937c2c8 JF |
4647 | struct rev_filler { |
4648 | chtype separator, line; | |
4649 | }; | |
4650 | enum { DEFAULT, RSHARP, RDIAG, LDIAG }; | |
4651 | static struct rev_filler fillers[] = { | |
4652 | { ' ', REVGRAPH_LINE }, | |
4653 | { '`', '.' }, | |
4654 | { '\'', ' ' }, | |
4655 | { '/', ' ' }, | |
e937c2c8 | 4656 | }; |
92507a24 | 4657 | chtype symbol = get_rev_graph_symbol(graph); |
e937c2c8 | 4658 | struct rev_filler *filler; |
92507a24 JF |
4659 | size_t i; |
4660 | ||
e937c2c8 | 4661 | filler = &fillers[DEFAULT]; |
110e948e | 4662 | |
c65a501a | 4663 | for (i = 0; i < graph->pos; i++) { |
e937c2c8 | 4664 | append_to_rev_graph(graph, filler->line); |
9e43b9cd | 4665 | if (graph_parent_is_merge(graph->prev) && |
e937c2c8 JF |
4666 | graph->prev->pos == i) |
4667 | filler = &fillers[RSHARP]; | |
4668 | ||
4669 | append_to_rev_graph(graph, filler->separator); | |
110e948e JF |
4670 | } |
4671 | ||
92507a24 | 4672 | /* Place the symbol for this revision. */ |
c65a501a | 4673 | append_to_rev_graph(graph, symbol); |
2b757533 | 4674 | |
e937c2c8 JF |
4675 | if (graph->prev->size > graph->size) |
4676 | filler = &fillers[RDIAG]; | |
4677 | else | |
4678 | filler = &fillers[DEFAULT]; | |
4679 | ||
c8d60a25 | 4680 | i++; |
2b757533 | 4681 | |
c65a501a | 4682 | for (; i < graph->size; i++) { |
e937c2c8 JF |
4683 | append_to_rev_graph(graph, filler->separator); |
4684 | append_to_rev_graph(graph, filler->line); | |
4685 | if (graph_parent_is_merge(graph->prev) && | |
4686 | i < graph->prev->pos + graph->parents->size) | |
4687 | filler = &fillers[RSHARP]; | |
4688 | if (graph->prev->size > graph->size) | |
4689 | filler = &fillers[LDIAG]; | |
c65a501a JF |
4690 | } |
4691 | ||
4692 | if (graph->prev->size > graph->size) { | |
e937c2c8 JF |
4693 | append_to_rev_graph(graph, filler->separator); |
4694 | if (filler->line != ' ') | |
4695 | append_to_rev_graph(graph, filler->line); | |
2b757533 | 4696 | } |
b5d8f208 JF |
4697 | } |
4698 | ||
61eed810 JF |
4699 | /* Prepare the next rev graph */ |
4700 | static void | |
4701 | prepare_rev_graph(struct rev_graph *graph) | |
b5d8f208 | 4702 | { |
b5d8f208 JF |
4703 | size_t i; |
4704 | ||
320df4ea | 4705 | /* First, traverse all lines of revisions up to the active one. */ |
c65a501a JF |
4706 | for (graph->pos = 0; graph->pos < graph->size; graph->pos++) { |
4707 | if (!strcmp(graph->rev[graph->pos], graph->commit->id)) | |
b5d8f208 | 4708 | break; |
b5d8f208 | 4709 | |
2ce5c87c | 4710 | push_rev_graph(graph->next, graph->rev[graph->pos]); |
b5d8f208 JF |
4711 | } |
4712 | ||
320df4ea | 4713 | /* Interleave the new revision parent(s). */ |
e81e9c2c | 4714 | for (i = 0; !graph->boundary && i < graph->parents->size; i++) |
2ce5c87c | 4715 | push_rev_graph(graph->next, graph->parents->rev[i]); |
b5d8f208 | 4716 | |
320df4ea | 4717 | /* Lastly, put any remaining revisions. */ |
c65a501a | 4718 | for (i = graph->pos + 1; i < graph->size; i++) |
2ce5c87c | 4719 | push_rev_graph(graph->next, graph->rev[i]); |
61eed810 JF |
4720 | } |
4721 | ||
4722 | static void | |
4723 | update_rev_graph(struct rev_graph *graph) | |
4724 | { | |
446a5c36 JF |
4725 | /* If this is the finalizing update ... */ |
4726 | if (graph->commit) | |
4727 | prepare_rev_graph(graph); | |
4728 | ||
4729 | /* Graph visualization needs a one rev look-ahead, | |
4730 | * so the first update doesn't visualize anything. */ | |
4731 | if (!graph->prev->commit) | |
4732 | return; | |
c65a501a | 4733 | |
61eed810 JF |
4734 | draw_rev_graph(graph->prev); |
4735 | done_rev_graph(graph->prev->prev); | |
2b757533 JF |
4736 | } |
4737 | ||
ccc33449 JF |
4738 | |
4739 | /* | |
4740 | * Main view backend | |
4741 | */ | |
4742 | ||
4743 | static bool | |
4744 | main_draw(struct view *view, struct line *line, unsigned int lineno, bool selected) | |
4745 | { | |
4746 | char buf[DATE_COLS + 1]; | |
4747 | struct commit *commit = line->data; | |
4748 | enum line_type type; | |
4749 | int col = 0; | |
4750 | size_t timelen; | |
1c919d68 DV |
4751 | int tilde_attr; |
4752 | int space; | |
ccc33449 JF |
4753 | |
4754 | if (!*commit->author) | |
4755 | return FALSE; | |
4756 | ||
1c919d68 | 4757 | space = view->width; |
ccc33449 JF |
4758 | wmove(view->win, lineno, col); |
4759 | ||
4760 | if (selected) { | |
4761 | type = LINE_CURSOR; | |
4762 | wattrset(view->win, get_line_attr(type)); | |
4763 | wchgat(view->win, -1, 0, type, NULL); | |
1c919d68 | 4764 | tilde_attr = -1; |
ccc33449 JF |
4765 | } else { |
4766 | type = LINE_MAIN_COMMIT; | |
4767 | wattrset(view->win, get_line_attr(LINE_MAIN_DATE)); | |
1c919d68 | 4768 | tilde_attr = get_line_attr(LINE_MAIN_DELIM); |
ccc33449 JF |
4769 | } |
4770 | ||
823057f4 | 4771 | if (opt_date) { |
1c919d68 | 4772 | int n; |
ccc33449 | 4773 | |
1c919d68 | 4774 | timelen = strftime(buf, sizeof(buf), DATE_FORMAT, &commit->time); |
a00fff3c JF |
4775 | n = draw_text(view, buf, view->width - col, FALSE, tilde_attr); |
4776 | draw_text(view, " ", view->width - col - n, FALSE, tilde_attr); | |
ccc33449 | 4777 | |
1c919d68 DV |
4778 | col += DATE_COLS; |
4779 | wmove(view->win, lineno, col); | |
4780 | if (col >= view->width) | |
4781 | return TRUE; | |
ccc33449 | 4782 | } |
1c919d68 DV |
4783 | if (type != LINE_CURSOR) |
4784 | wattrset(view->win, get_line_attr(LINE_MAIN_AUTHOR)); | |
ccc33449 | 4785 | |
823057f4 | 4786 | if (opt_author) { |
1c919d68 DV |
4787 | int max_len; |
4788 | ||
4789 | max_len = view->width - col; | |
4790 | if (max_len > AUTHOR_COLS - 1) | |
4791 | max_len = AUTHOR_COLS - 1; | |
a00fff3c | 4792 | draw_text(view, commit->author, max_len, TRUE, tilde_attr); |
1c919d68 DV |
4793 | col += AUTHOR_COLS; |
4794 | if (col >= view->width) | |
4795 | return TRUE; | |
ccc33449 JF |
4796 | } |
4797 | ||
ccc33449 | 4798 | if (opt_rev_graph && commit->graph_size) { |
749cdc92 | 4799 | size_t graph_size = view->width - col; |
ccc33449 JF |
4800 | size_t i; |
4801 | ||
f83b1c33 DV |
4802 | if (type != LINE_CURSOR) |
4803 | wattrset(view->win, get_line_attr(LINE_MAIN_REVGRAPH)); | |
ccc33449 | 4804 | wmove(view->win, lineno, col); |
749cdc92 JF |
4805 | if (graph_size > commit->graph_size) |
4806 | graph_size = commit->graph_size; | |
ccc33449 JF |
4807 | /* Using waddch() instead of waddnstr() ensures that |
4808 | * they'll be rendered correctly for the cursor line. */ | |
749cdc92 | 4809 | for (i = 0; i < graph_size; i++) |
ccc33449 JF |
4810 | waddch(view->win, commit->graph[i]); |
4811 | ||
4812 | col += commit->graph_size + 1; | |
1c919d68 DV |
4813 | if (col >= view->width) |
4814 | return TRUE; | |
749cdc92 | 4815 | waddch(view->win, ' '); |
ccc33449 | 4816 | } |
f83b1c33 DV |
4817 | if (type != LINE_CURSOR) |
4818 | wattrset(view->win, A_NORMAL); | |
ccc33449 JF |
4819 | |
4820 | wmove(view->win, lineno, col); | |
4821 | ||
823057f4 | 4822 | if (opt_show_refs && commit->refs) { |
ccc33449 JF |
4823 | size_t i = 0; |
4824 | ||
4825 | do { | |
4826 | if (type == LINE_CURSOR) | |
4827 | ; | |
2384880b DV |
4828 | else if (commit->refs[i]->ltag) |
4829 | wattrset(view->win, get_line_attr(LINE_MAIN_LOCAL_TAG)); | |
ccc33449 JF |
4830 | else if (commit->refs[i]->tag) |
4831 | wattrset(view->win, get_line_attr(LINE_MAIN_TAG)); | |
e15ec88e JF |
4832 | else if (commit->refs[i]->remote) |
4833 | wattrset(view->win, get_line_attr(LINE_MAIN_REMOTE)); | |
ccc33449 JF |
4834 | else |
4835 | wattrset(view->win, get_line_attr(LINE_MAIN_REF)); | |
1c919d68 | 4836 | |
a00fff3c JF |
4837 | col += draw_text(view, "[", view->width - col, TRUE, tilde_attr); |
4838 | col += draw_text(view, commit->refs[i]->name, view->width - col, | |
4839 | TRUE, tilde_attr); | |
4840 | col += draw_text(view, "]", view->width - col, TRUE, tilde_attr); | |
ccc33449 JF |
4841 | if (type != LINE_CURSOR) |
4842 | wattrset(view->win, A_NORMAL); | |
a00fff3c | 4843 | col += draw_text(view, " ", view->width - col, TRUE, tilde_attr); |
1c919d68 DV |
4844 | if (col >= view->width) |
4845 | return TRUE; | |
ccc33449 JF |
4846 | } while (commit->refs[i++]->next); |
4847 | } | |
4848 | ||
4849 | if (type != LINE_CURSOR) | |
4850 | wattrset(view->win, get_line_attr(type)); | |
4851 | ||
a00fff3c | 4852 | draw_text(view, commit->title, view->width - col, TRUE, tilde_attr); |
ccc33449 JF |
4853 | return TRUE; |
4854 | } | |
4855 | ||
4c6fabc2 | 4856 | /* Reads git log --pretty=raw output and parses it into the commit struct. */ |
6b161b31 | 4857 | static bool |
701e4f5d | 4858 | main_read(struct view *view, char *line) |
22f66b0a | 4859 | { |
2ce5c87c | 4860 | static struct rev_graph *graph = graph_stacks; |
be04d936 | 4861 | enum line_type type; |
0ff3b97c | 4862 | struct commit *commit; |
22f66b0a | 4863 | |
be04d936 | 4864 | if (!line) { |
446a5c36 | 4865 | update_rev_graph(graph); |
be04d936 JF |
4866 | return TRUE; |
4867 | } | |
4868 | ||
4869 | type = get_line_type(line); | |
0ff3b97c | 4870 | if (type == LINE_COMMIT) { |
22f66b0a JF |
4871 | commit = calloc(1, sizeof(struct commit)); |
4872 | if (!commit) | |
4873 | return FALSE; | |
4874 | ||
e81e9c2c JF |
4875 | line += STRING_SIZE("commit "); |
4876 | if (*line == '-') { | |
4877 | graph->boundary = 1; | |
4878 | line++; | |
4879 | } | |
4880 | ||
4881 | string_copy_rev(commit->id, line); | |
c34d9c9f | 4882 | commit->refs = get_refs(commit->id); |
c65a501a | 4883 | graph->commit = commit; |
e314c36d | 4884 | add_line_data(view, commit, LINE_MAIN_COMMIT); |
d3b19ca4 JF |
4885 | |
4886 | while ((line = strchr(line, ' '))) { | |
4887 | line++; | |
4888 | push_rev_graph(graph->parents, line); | |
4889 | commit->has_parents = TRUE; | |
4890 | } | |
0ff3b97c JF |
4891 | return TRUE; |
4892 | } | |
2b757533 | 4893 | |
0ff3b97c JF |
4894 | if (!view->lines) |
4895 | return TRUE; | |
4896 | commit = view->line[view->lines - 1].data; | |
4897 | ||
4898 | switch (type) { | |
2b757533 | 4899 | case LINE_PARENT: |
d3b19ca4 JF |
4900 | if (commit->has_parents) |
4901 | break; | |
0ff3b97c | 4902 | push_rev_graph(graph->parents, line + STRING_SIZE("parent ")); |
78c70acd | 4903 | break; |
22f66b0a | 4904 | |
8855ada4 | 4905 | case LINE_AUTHOR: |
b76c2afc | 4906 | { |
19c3ac60 JF |
4907 | /* Parse author lines where the name may be empty: |
4908 | * author <email@address.tld> 1138474660 +0100 | |
4909 | */ | |
4c6fabc2 | 4910 | char *ident = line + STRING_SIZE("author "); |
19c3ac60 JF |
4911 | char *nameend = strchr(ident, '<'); |
4912 | char *emailend = strchr(ident, '>'); | |
b76c2afc | 4913 | |
0ff3b97c | 4914 | if (!nameend || !emailend) |
fe7233c3 JF |
4915 | break; |
4916 | ||
c65a501a JF |
4917 | update_rev_graph(graph); |
4918 | graph = graph->next; | |
2b757533 | 4919 | |
19c3ac60 JF |
4920 | *nameend = *emailend = 0; |
4921 | ident = chomp_string(ident); | |
4922 | if (!*ident) { | |
4923 | ident = chomp_string(nameend + 1); | |
4924 | if (!*ident) | |
4925 | ident = "Unknown"; | |
b76c2afc JF |
4926 | } |
4927 | ||
739e81de | 4928 | string_ncopy(commit->author, ident, strlen(ident)); |
b76c2afc | 4929 | |
4c6fabc2 | 4930 | /* Parse epoch and timezone */ |
19c3ac60 JF |
4931 | if (emailend[1] == ' ') { |
4932 | char *secs = emailend + 2; | |
4933 | char *zone = strchr(secs, ' '); | |
4934 | time_t time = (time_t) atol(secs); | |
b76c2afc | 4935 | |
4c6fabc2 | 4936 | if (zone && strlen(zone) == STRING_SIZE(" +0700")) { |
b76c2afc JF |
4937 | long tz; |
4938 | ||
4939 | zone++; | |
4940 | tz = ('0' - zone[1]) * 60 * 60 * 10; | |
4941 | tz += ('0' - zone[2]) * 60 * 60; | |
4942 | tz += ('0' - zone[3]) * 60; | |
4943 | tz += ('0' - zone[4]) * 60; | |
4944 | ||
4945 | if (zone[0] == '-') | |
4946 | tz = -tz; | |
4947 | ||
4948 | time -= tz; | |
4949 | } | |
19c3ac60 | 4950 | |
b76c2afc JF |
4951 | gmtime_r(&time, &commit->time); |
4952 | } | |
4953 | break; | |
4954 | } | |
78c70acd | 4955 | default: |
2e8488b4 | 4956 | /* Fill in the commit title if it has not already been set. */ |
2e8488b4 JF |
4957 | if (commit->title[0]) |
4958 | break; | |
4959 | ||
4960 | /* Require titles to start with a non-space character at the | |
4961 | * offset used by git log. */ | |
9073c64a JF |
4962 | if (strncmp(line, " ", 4)) |
4963 | break; | |
4964 | line += 4; | |
4965 | /* Well, if the title starts with a whitespace character, | |
4966 | * try to be forgiving. Otherwise we end up with no title. */ | |
4967 | while (isspace(*line)) | |
4968 | line++; | |
4969 | if (*line == '\0') | |
82e78006 | 4970 | break; |
9073c64a JF |
4971 | /* FIXME: More graceful handling of titles; append "..." to |
4972 | * shortened titles, etc. */ | |
82e78006 | 4973 | |
739e81de | 4974 | string_ncopy(commit->title, line, strlen(line)); |
22f66b0a JF |
4975 | } |
4976 | ||
4977 | return TRUE; | |
4978 | } | |
4979 | ||
586c423d JF |
4980 | static enum request |
4981 | main_request(struct view *view, enum request request, struct line *line) | |
b801d8b2 | 4982 | { |
b3a54cba JF |
4983 | enum open_flags flags = display[0] == view ? OPEN_SPLIT : OPEN_DEFAULT; |
4984 | ||
586c423d JF |
4985 | if (request == REQ_ENTER) |
4986 | open_view(view, REQ_VIEW_DIFF, flags); | |
4987 | else | |
4988 | return request; | |
4989 | ||
4990 | return REQ_NONE; | |
b801d8b2 JF |
4991 | } |
4992 | ||
4af34daa JF |
4993 | static bool |
4994 | main_grep(struct view *view, struct line *line) | |
4995 | { | |
4996 | struct commit *commit = line->data; | |
4997 | enum { S_TITLE, S_AUTHOR, S_DATE, S_END } state; | |
4998 | char buf[DATE_COLS + 1]; | |
4999 | regmatch_t pmatch; | |
5000 | ||
5001 | for (state = S_TITLE; state < S_END; state++) { | |
5002 | char *text; | |
5003 | ||
5004 | switch (state) { | |
5005 | case S_TITLE: text = commit->title; break; | |
5006 | case S_AUTHOR: text = commit->author; break; | |
5007 | case S_DATE: | |
5008 | if (!strftime(buf, sizeof(buf), DATE_FORMAT, &commit->time)) | |
5009 | continue; | |
5010 | text = buf; | |
5011 | break; | |
5012 | ||
5013 | default: | |
5014 | return FALSE; | |
5015 | } | |
5016 | ||
b77b2cb8 | 5017 | if (regexec(view->regex, text, 1, &pmatch, 0) != REG_NOMATCH) |
4af34daa JF |
5018 | return TRUE; |
5019 | } | |
5020 | ||
5021 | return FALSE; | |
5022 | } | |
5023 | ||
d720de4b JF |
5024 | static void |
5025 | main_select(struct view *view, struct line *line) | |
5026 | { | |
5027 | struct commit *commit = line->data; | |
5028 | ||
2463b4ea JF |
5029 | string_copy_rev(view->ref, commit->id); |
5030 | string_copy_rev(ref_commit, view->ref); | |
d720de4b JF |
5031 | } |
5032 | ||
6b161b31 | 5033 | static struct view_ops main_ops = { |
6734f6b9 | 5034 | "commit", |
f098944b | 5035 | NULL, |
6b161b31 | 5036 | main_read, |
f098944b | 5037 | main_draw, |
586c423d | 5038 | main_request, |
4af34daa | 5039 | main_grep, |
d720de4b | 5040 | main_select, |
6b161b31 | 5041 | }; |
2e8488b4 | 5042 | |
c34d9c9f | 5043 | |
6b161b31 | 5044 | /* |
10e290ee JF |
5045 | * Unicode / UTF-8 handling |
5046 | * | |
5047 | * NOTE: Much of the following code for dealing with unicode is derived from | |
5048 | * ELinks' UTF-8 code developed by Scrool <scroolik@gmail.com>. Origin file is | |
5049 | * src/intl/charset.c from the utf8 branch commit elinks-0.11.0-g31f2c28. | |
5050 | */ | |
5051 | ||
5052 | /* I've (over)annotated a lot of code snippets because I am not entirely | |
5053 | * confident that the approach taken by this small UTF-8 interface is correct. | |
5054 | * --jonas */ | |
5055 | ||
5056 | static inline int | |
5057 | unicode_width(unsigned long c) | |
5058 | { | |
5059 | if (c >= 0x1100 && | |
5060 | (c <= 0x115f /* Hangul Jamo */ | |
5061 | || c == 0x2329 | |
5062 | || c == 0x232a | |
5063 | || (c >= 0x2e80 && c <= 0xa4cf && c != 0x303f) | |
f97f4012 | 5064 | /* CJK ... Yi */ |
10e290ee JF |
5065 | || (c >= 0xac00 && c <= 0xd7a3) /* Hangul Syllables */ |
5066 | || (c >= 0xf900 && c <= 0xfaff) /* CJK Compatibility Ideographs */ | |
5067 | || (c >= 0xfe30 && c <= 0xfe6f) /* CJK Compatibility Forms */ | |
5068 | || (c >= 0xff00 && c <= 0xff60) /* Fullwidth Forms */ | |
5069 | || (c >= 0xffe0 && c <= 0xffe6) | |
5070 | || (c >= 0x20000 && c <= 0x2fffd) | |
5071 | || (c >= 0x30000 && c <= 0x3fffd))) | |
5072 | return 2; | |
5073 | ||
749cdc92 JF |
5074 | if (c == '\t') |
5075 | return opt_tab_size; | |
5076 | ||
10e290ee JF |
5077 | return 1; |
5078 | } | |
5079 | ||
5080 | /* Number of bytes used for encoding a UTF-8 character indexed by first byte. | |
5081 | * Illegal bytes are set one. */ | |
5082 | static const unsigned char utf8_bytes[256] = { | |
5083 | 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, | |
5084 | 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, | |
5085 | 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, | |
5086 | 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, | |
5087 | 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, | |
5088 | 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, | |
5089 | 2,2,2,2,2,2,2,2, 2,2,2,2,2,2,2,2, 2,2,2,2,2,2,2,2, 2,2,2,2,2,2,2,2, | |
5090 | 3,3,3,3,3,3,3,3, 3,3,3,3,3,3,3,3, 4,4,4,4,4,4,4,4, 5,5,5,5,6,6,1,1, | |
5091 | }; | |
5092 | ||
5093 | /* Decode UTF-8 multi-byte representation into a unicode character. */ | |
5094 | static inline unsigned long | |
5095 | utf8_to_unicode(const char *string, size_t length) | |
5096 | { | |
5097 | unsigned long unicode; | |
5098 | ||
5099 | switch (length) { | |
5100 | case 1: | |
5101 | unicode = string[0]; | |
5102 | break; | |
5103 | case 2: | |
5104 | unicode = (string[0] & 0x1f) << 6; | |
5105 | unicode += (string[1] & 0x3f); | |
5106 | break; | |
5107 | case 3: | |
5108 | unicode = (string[0] & 0x0f) << 12; | |
5109 | unicode += ((string[1] & 0x3f) << 6); | |
5110 | unicode += (string[2] & 0x3f); | |
5111 | break; | |
5112 | case 4: | |
5113 | unicode = (string[0] & 0x0f) << 18; | |
5114 | unicode += ((string[1] & 0x3f) << 12); | |
5115 | unicode += ((string[2] & 0x3f) << 6); | |
5116 | unicode += (string[3] & 0x3f); | |
5117 | break; | |
5118 | case 5: | |
5119 | unicode = (string[0] & 0x0f) << 24; | |
5120 | unicode += ((string[1] & 0x3f) << 18); | |
5121 | unicode += ((string[2] & 0x3f) << 12); | |
5122 | unicode += ((string[3] & 0x3f) << 6); | |
5123 | unicode += (string[4] & 0x3f); | |
5124 | break; | |
68b6e0eb | 5125 | case 6: |
10e290ee JF |
5126 | unicode = (string[0] & 0x01) << 30; |
5127 | unicode += ((string[1] & 0x3f) << 24); | |
5128 | unicode += ((string[2] & 0x3f) << 18); | |
5129 | unicode += ((string[3] & 0x3f) << 12); | |
5130 | unicode += ((string[4] & 0x3f) << 6); | |
5131 | unicode += (string[5] & 0x3f); | |
5132 | break; | |
5133 | default: | |
5134 | die("Invalid unicode length"); | |
5135 | } | |
5136 | ||
5137 | /* Invalid characters could return the special 0xfffd value but NUL | |
5138 | * should be just as good. */ | |
5139 | return unicode > 0xffff ? 0 : unicode; | |
5140 | } | |
5141 | ||
5142 | /* Calculates how much of string can be shown within the given maximum width | |
5143 | * and sets trimmed parameter to non-zero value if all of string could not be | |
012e76e9 JF |
5144 | * shown. If the reserve flag is TRUE, it will reserve at least one |
5145 | * trailing character, which can be useful when drawing a delimiter. | |
10e290ee JF |
5146 | * |
5147 | * Returns the number of bytes to output from string to satisfy max_width. */ | |
5148 | static size_t | |
012e76e9 | 5149 | utf8_length(const char *string, size_t max_width, int *trimmed, bool reserve) |
10e290ee JF |
5150 | { |
5151 | const char *start = string; | |
5152 | const char *end = strchr(string, '\0'); | |
012e76e9 | 5153 | unsigned char last_bytes = 0; |
10e290ee JF |
5154 | size_t width = 0; |
5155 | ||
5156 | *trimmed = 0; | |
5157 | ||
5158 | while (string < end) { | |
5159 | int c = *(unsigned char *) string; | |
5160 | unsigned char bytes = utf8_bytes[c]; | |
5161 | size_t ucwidth; | |
5162 | unsigned long unicode; | |
5163 | ||
5164 | if (string + bytes > end) | |
5165 | break; | |
5166 | ||
5167 | /* Change representation to figure out whether | |
5168 | * it is a single- or double-width character. */ | |
5169 | ||
5170 | unicode = utf8_to_unicode(string, bytes); | |
5171 | /* FIXME: Graceful handling of invalid unicode character. */ | |
5172 | if (!unicode) | |
5173 | break; | |
5174 | ||
5175 | ucwidth = unicode_width(unicode); | |
5176 | width += ucwidth; | |
5177 | if (width > max_width) { | |
5178 | *trimmed = 1; | |
012e76e9 JF |
5179 | if (reserve && width - ucwidth == max_width) { |
5180 | string -= last_bytes; | |
5181 | } | |
10e290ee JF |
5182 | break; |
5183 | } | |
5184 | ||
10e290ee | 5185 | string += bytes; |
012e76e9 | 5186 | last_bytes = bytes; |
10e290ee JF |
5187 | } |
5188 | ||
10e290ee JF |
5189 | return string - start; |
5190 | } | |
5191 | ||
5192 | ||
5193 | /* | |
6b161b31 JF |
5194 | * Status management |
5195 | */ | |
2e8488b4 | 5196 | |
8855ada4 | 5197 | /* Whether or not the curses interface has been initialized. */ |
68b6e0eb | 5198 | static bool cursed = FALSE; |
8855ada4 | 5199 | |
6b161b31 JF |
5200 | /* The status window is used for polling keystrokes. */ |
5201 | static WINDOW *status_win; | |
4a2909a7 | 5202 | |
21be28fb JF |
5203 | static bool status_empty = TRUE; |
5204 | ||
2e8488b4 | 5205 | /* Update status and title window. */ |
4a2909a7 JF |
5206 | static void |
5207 | report(const char *msg, ...) | |
5208 | { | |
6706b2ba | 5209 | struct view *view = display[current_view]; |
b76c2afc | 5210 | |
ab4af23e JF |
5211 | if (input_mode) |
5212 | return; | |
5213 | ||
c38c64bb JF |
5214 | if (!view) { |
5215 | char buf[SIZEOF_STR]; | |
5216 | va_list args; | |
5217 | ||
5218 | va_start(args, msg); | |
5219 | if (vsnprintf(buf, sizeof(buf), msg, args) >= sizeof(buf)) { | |
5220 | buf[sizeof(buf) - 1] = 0; | |
5221 | buf[sizeof(buf) - 2] = '.'; | |
5222 | buf[sizeof(buf) - 3] = '.'; | |
5223 | buf[sizeof(buf) - 4] = '.'; | |
5224 | } | |
5225 | va_end(args); | |
5226 | die("%s", buf); | |
5227 | } | |
5228 | ||
21be28fb | 5229 | if (!status_empty || *msg) { |
6706b2ba | 5230 | va_list args; |
4a2909a7 | 5231 | |
6706b2ba | 5232 | va_start(args, msg); |
4b76734f | 5233 | |
6706b2ba JF |
5234 | wmove(status_win, 0, 0); |
5235 | if (*msg) { | |
5236 | vwprintw(status_win, msg, args); | |
21be28fb | 5237 | status_empty = FALSE; |
6706b2ba | 5238 | } else { |
21be28fb | 5239 | status_empty = TRUE; |
6706b2ba | 5240 | } |
390a8262 | 5241 | wclrtoeol(status_win); |
6706b2ba | 5242 | wrefresh(status_win); |
b801d8b2 | 5243 | |
6706b2ba JF |
5244 | va_end(args); |
5245 | } | |
5246 | ||
5247 | update_view_title(view); | |
2bee3bde | 5248 | update_display_cursor(view); |
b801d8b2 JF |
5249 | } |
5250 | ||
6b161b31 JF |
5251 | /* Controls when nodelay should be in effect when polling user input. */ |
5252 | static void | |
1ba2ae4b | 5253 | set_nonblocking_input(bool loading) |
b801d8b2 | 5254 | { |
6706b2ba | 5255 | static unsigned int loading_views; |
b801d8b2 | 5256 | |
6706b2ba JF |
5257 | if ((loading == FALSE && loading_views-- == 1) || |
5258 | (loading == TRUE && loading_views++ == 0)) | |
1ba2ae4b | 5259 | nodelay(status_win, loading); |
6b161b31 JF |
5260 | } |
5261 | ||
5262 | static void | |
5263 | init_display(void) | |
5264 | { | |
5265 | int x, y; | |
b76c2afc | 5266 | |
6908bdbd JF |
5267 | /* Initialize the curses library */ |
5268 | if (isatty(STDIN_FILENO)) { | |
8855ada4 | 5269 | cursed = !!initscr(); |
6908bdbd JF |
5270 | } else { |
5271 | /* Leave stdin and stdout alone when acting as a pager. */ | |
5272 | FILE *io = fopen("/dev/tty", "r+"); | |
5273 | ||
e6f60674 JF |
5274 | if (!io) |
5275 | die("Failed to open /dev/tty"); | |
8855ada4 | 5276 | cursed = !!newterm(NULL, io, io); |
6908bdbd JF |
5277 | } |
5278 | ||
8855ada4 JF |
5279 | if (!cursed) |
5280 | die("Failed to initialize curses"); | |
5281 | ||
2e8488b4 JF |
5282 | nonl(); /* Tell curses not to do NL->CR/NL on output */ |
5283 | cbreak(); /* Take input chars one at a time, no wait for \n */ | |
5284 | noecho(); /* Don't echo input */ | |
b801d8b2 | 5285 | leaveok(stdscr, TRUE); |
b801d8b2 JF |
5286 | |
5287 | if (has_colors()) | |
5288 | init_colors(); | |
5289 | ||
5290 | getmaxyx(stdscr, y, x); | |
5291 | status_win = newwin(1, 0, y - 1, 0); | |
5292 | if (!status_win) | |
5293 | die("Failed to create status window"); | |
5294 | ||
5295 | /* Enable keyboard mapping */ | |
5296 | keypad(status_win, TRUE); | |
78c70acd | 5297 | wbkgdset(status_win, get_line_attr(LINE_STATUS)); |
6b161b31 JF |
5298 | } |
5299 | ||
4af34daa | 5300 | static char * |
cb9e48c1 | 5301 | read_prompt(const char *prompt) |
ef5404a4 JF |
5302 | { |
5303 | enum { READING, STOP, CANCEL } status = READING; | |
9e21ce5c | 5304 | static char buf[sizeof(opt_cmd) - STRING_SIZE("git \0")]; |
ef5404a4 JF |
5305 | int pos = 0; |
5306 | ||
5307 | while (status == READING) { | |
5308 | struct view *view; | |
5309 | int i, key; | |
5310 | ||
ab4af23e JF |
5311 | input_mode = TRUE; |
5312 | ||
699ae55b | 5313 | foreach_view (view, i) |
ef5404a4 JF |
5314 | update_view(view); |
5315 | ||
ab4af23e JF |
5316 | input_mode = FALSE; |
5317 | ||
5318 | mvwprintw(status_win, 0, 0, "%s%.*s", prompt, pos, buf); | |
5319 | wclrtoeol(status_win); | |
5320 | ||
ef5404a4 JF |
5321 | /* Refresh, accept single keystroke of input */ |
5322 | key = wgetch(status_win); | |
5323 | switch (key) { | |
5324 | case KEY_RETURN: | |
5325 | case KEY_ENTER: | |
5326 | case '\n': | |
5327 | status = pos ? STOP : CANCEL; | |
5328 | break; | |
5329 | ||
5330 | case KEY_BACKSPACE: | |
5331 | if (pos > 0) | |
5332 | pos--; | |
5333 | else | |
5334 | status = CANCEL; | |
5335 | break; | |
5336 | ||
5337 | case KEY_ESC: | |
5338 | status = CANCEL; | |
5339 | break; | |
5340 | ||
5341 | case ERR: | |
5342 | break; | |
5343 | ||
5344 | default: | |
5345 | if (pos >= sizeof(buf)) { | |
5346 | report("Input string too long"); | |
9e21ce5c | 5347 | return NULL; |
ef5404a4 JF |
5348 | } |
5349 | ||
5350 | if (isprint(key)) | |
5351 | buf[pos++] = (char) key; | |
5352 | } | |
5353 | } | |
5354 | ||
7a06ebdf JF |
5355 | /* Clear the status window */ |
5356 | status_empty = FALSE; | |
5357 | report(""); | |
5358 | ||
5359 | if (status == CANCEL) | |
9e21ce5c | 5360 | return NULL; |
ef5404a4 JF |
5361 | |
5362 | buf[pos++] = 0; | |
ef5404a4 | 5363 | |
9e21ce5c | 5364 | return buf; |
ef5404a4 | 5365 | } |
c34d9c9f JF |
5366 | |
5367 | /* | |
5368 | * Repository references | |
5369 | */ | |
5370 | ||
518234f1 DV |
5371 | static struct ref *refs = NULL; |
5372 | static size_t refs_alloc = 0; | |
5373 | static size_t refs_size = 0; | |
c34d9c9f | 5374 | |
1307df1a | 5375 | /* Id <-> ref store */ |
518234f1 DV |
5376 | static struct ref ***id_refs = NULL; |
5377 | static size_t id_refs_alloc = 0; | |
5378 | static size_t id_refs_size = 0; | |
1307df1a | 5379 | |
c34d9c9f JF |
5380 | static struct ref ** |
5381 | get_refs(char *id) | |
5382 | { | |
1307df1a JF |
5383 | struct ref ***tmp_id_refs; |
5384 | struct ref **ref_list = NULL; | |
518234f1 | 5385 | size_t ref_list_alloc = 0; |
1307df1a | 5386 | size_t ref_list_size = 0; |
c34d9c9f JF |
5387 | size_t i; |
5388 | ||
1307df1a JF |
5389 | for (i = 0; i < id_refs_size; i++) |
5390 | if (!strcmp(id, id_refs[i][0]->id)) | |
5391 | return id_refs[i]; | |
5392 | ||
518234f1 DV |
5393 | tmp_id_refs = realloc_items(id_refs, &id_refs_alloc, id_refs_size + 1, |
5394 | sizeof(*id_refs)); | |
1307df1a JF |
5395 | if (!tmp_id_refs) |
5396 | return NULL; | |
5397 | ||
5398 | id_refs = tmp_id_refs; | |
5399 | ||
c34d9c9f JF |
5400 | for (i = 0; i < refs_size; i++) { |
5401 | struct ref **tmp; | |
5402 | ||
5403 | if (strcmp(id, refs[i].id)) | |
5404 | continue; | |
5405 | ||
518234f1 DV |
5406 | tmp = realloc_items(ref_list, &ref_list_alloc, |
5407 | ref_list_size + 1, sizeof(*ref_list)); | |
c34d9c9f | 5408 | if (!tmp) { |
1307df1a JF |
5409 | if (ref_list) |
5410 | free(ref_list); | |
c34d9c9f JF |
5411 | return NULL; |
5412 | } | |
5413 | ||
1307df1a JF |
5414 | ref_list = tmp; |
5415 | if (ref_list_size > 0) | |
5416 | ref_list[ref_list_size - 1]->next = 1; | |
5417 | ref_list[ref_list_size] = &refs[i]; | |
3af8774e JF |
5418 | |
5419 | /* XXX: The properties of the commit chains ensures that we can | |
5420 | * safely modify the shared ref. The repo references will | |
5421 | * always be similar for the same id. */ | |
1307df1a JF |
5422 | ref_list[ref_list_size]->next = 0; |
5423 | ref_list_size++; | |
c34d9c9f JF |
5424 | } |
5425 | ||
1307df1a JF |
5426 | if (ref_list) |
5427 | id_refs[id_refs_size++] = ref_list; | |
5428 | ||
5429 | return ref_list; | |
c34d9c9f JF |
5430 | } |
5431 | ||
5432 | static int | |
5699e0cf | 5433 | read_ref(char *id, size_t idlen, char *name, size_t namelen) |
c34d9c9f | 5434 | { |
d0cea5f9 JF |
5435 | struct ref *ref; |
5436 | bool tag = FALSE; | |
2384880b | 5437 | bool ltag = FALSE; |
e15ec88e | 5438 | bool remote = FALSE; |
2384880b | 5439 | bool check_replace = FALSE; |
d0cea5f9 | 5440 | |
8b0297ae | 5441 | if (!strncmp(name, "refs/tags/", STRING_SIZE("refs/tags/"))) { |
2384880b DV |
5442 | if (!strcmp(name + namelen - 3, "^{}")) { |
5443 | namelen -= 3; | |
5444 | name[namelen] = 0; | |
5445 | if (refs_size > 0 && refs[refs_size - 1].ltag == TRUE) | |
5446 | check_replace = TRUE; | |
5447 | } else { | |
5448 | ltag = TRUE; | |
5449 | } | |
c34d9c9f | 5450 | |
d0cea5f9 | 5451 | tag = TRUE; |
8b0297ae JF |
5452 | namelen -= STRING_SIZE("refs/tags/"); |
5453 | name += STRING_SIZE("refs/tags/"); | |
c34d9c9f | 5454 | |
e15ec88e JF |
5455 | } else if (!strncmp(name, "refs/remotes/", STRING_SIZE("refs/remotes/"))) { |
5456 | remote = TRUE; | |
5457 | namelen -= STRING_SIZE("refs/remotes/"); | |
5458 | name += STRING_SIZE("refs/remotes/"); | |
5459 | ||
d0cea5f9 | 5460 | } else if (!strncmp(name, "refs/heads/", STRING_SIZE("refs/heads/"))) { |
8b0297ae JF |
5461 | namelen -= STRING_SIZE("refs/heads/"); |
5462 | name += STRING_SIZE("refs/heads/"); | |
c34d9c9f | 5463 | |
d0cea5f9 JF |
5464 | } else if (!strcmp(name, "HEAD")) { |
5465 | return OK; | |
5466 | } | |
6706b2ba | 5467 | |
2384880b DV |
5468 | if (check_replace && !strcmp(name, refs[refs_size - 1].name)) { |
5469 | /* it's an annotated tag, replace the previous sha1 with the | |
5470 | * resolved commit id; relies on the fact git-ls-remote lists | |
5471 | * the commit id of an annotated tag right beofre the commit id | |
5472 | * it points to. */ | |
5473 | refs[refs_size - 1].ltag = ltag; | |
5474 | string_copy_rev(refs[refs_size - 1].id, id); | |
5475 | ||
5476 | return OK; | |
5477 | } | |
518234f1 | 5478 | refs = realloc_items(refs, &refs_alloc, refs_size + 1, sizeof(*refs)); |
d0cea5f9 JF |
5479 | if (!refs) |
5480 | return ERR; | |
c34d9c9f | 5481 | |
d0cea5f9 | 5482 | ref = &refs[refs_size++]; |
8b0297ae | 5483 | ref->name = malloc(namelen + 1); |
d0cea5f9 JF |
5484 | if (!ref->name) |
5485 | return ERR; | |
3af8774e | 5486 | |
8b0297ae JF |
5487 | strncpy(ref->name, name, namelen); |
5488 | ref->name[namelen] = 0; | |
d0cea5f9 | 5489 | ref->tag = tag; |
2384880b | 5490 | ref->ltag = ltag; |
e15ec88e | 5491 | ref->remote = remote; |
2463b4ea | 5492 | string_copy_rev(ref->id, id); |
3af8774e | 5493 | |
d0cea5f9 JF |
5494 | return OK; |
5495 | } | |
c34d9c9f | 5496 | |
d0cea5f9 JF |
5497 | static int |
5498 | load_refs(void) | |
5499 | { | |
5500 | const char *cmd_env = getenv("TIG_LS_REMOTE"); | |
5501 | const char *cmd = cmd_env && *cmd_env ? cmd_env : TIG_LS_REMOTE; | |
c34d9c9f | 5502 | |
4a63c884 | 5503 | return read_properties(popen(cmd, "r"), "\t", read_ref); |
d0cea5f9 | 5504 | } |
c34d9c9f | 5505 | |
d0cea5f9 | 5506 | static int |
5699e0cf | 5507 | read_repo_config_option(char *name, size_t namelen, char *value, size_t valuelen) |
d0cea5f9 | 5508 | { |
22913179 | 5509 | if (!strcmp(name, "i18n.commitencoding")) |
739e81de | 5510 | string_ncopy(opt_encoding, value, valuelen); |
c34d9c9f | 5511 | |
0cea0d43 JF |
5512 | if (!strcmp(name, "core.editor")) |
5513 | string_ncopy(opt_editor, value, valuelen); | |
5514 | ||
c34d9c9f JF |
5515 | return OK; |
5516 | } | |
5517 | ||
4670cf89 | 5518 | static int |
14c778a6 | 5519 | load_repo_config(void) |
4670cf89 | 5520 | { |
96e58f5b | 5521 | return read_properties(popen(GIT_CONFIG " --list", "r"), |
14c778a6 | 5522 | "=", read_repo_config_option); |
d0cea5f9 JF |
5523 | } |
5524 | ||
5525 | static int | |
5699e0cf | 5526 | read_repo_info(char *name, size_t namelen, char *value, size_t valuelen) |
91c5d983 | 5527 | { |
c38c64bb | 5528 | if (!opt_git_dir[0]) { |
810f0078 | 5529 | string_ncopy(opt_git_dir, name, namelen); |
c38c64bb JF |
5530 | |
5531 | } else if (opt_is_inside_work_tree == -1) { | |
5532 | /* This can be 3 different values depending on the | |
5533 | * version of git being used. If git-rev-parse does not | |
5534 | * understand --is-inside-work-tree it will simply echo | |
5535 | * the option else either "true" or "false" is printed. | |
5536 | * Default to true for the unknown case. */ | |
5537 | opt_is_inside_work_tree = strcmp(name, "false") ? TRUE : FALSE; | |
5538 | ||
5539 | } else { | |
739e81de | 5540 | string_ncopy(opt_cdup, name, namelen); |
c38c64bb JF |
5541 | } |
5542 | ||
91c5d983 JF |
5543 | return OK; |
5544 | } | |
5545 | ||
810f0078 JF |
5546 | /* XXX: The line outputted by "--show-cdup" can be empty so the option |
5547 | * must be the last one! */ | |
91c5d983 JF |
5548 | static int |
5549 | load_repo_info(void) | |
5550 | { | |
c38c64bb | 5551 | return read_properties(popen("git rev-parse --git-dir --is-inside-work-tree --show-cdup 2>/dev/null", "r"), |
91c5d983 JF |
5552 | "=", read_repo_info); |
5553 | } | |
5554 | ||
5555 | static int | |
4a63c884 | 5556 | read_properties(FILE *pipe, const char *separators, |
5699e0cf | 5557 | int (*read_property)(char *, size_t, char *, size_t)) |
d0cea5f9 | 5558 | { |
4670cf89 JF |
5559 | char buffer[BUFSIZ]; |
5560 | char *name; | |
d0cea5f9 | 5561 | int state = OK; |
4670cf89 JF |
5562 | |
5563 | if (!pipe) | |
5564 | return ERR; | |
5565 | ||
d0cea5f9 | 5566 | while (state == OK && (name = fgets(buffer, sizeof(buffer), pipe))) { |
4a63c884 JF |
5567 | char *value; |
5568 | size_t namelen; | |
5569 | size_t valuelen; | |
4670cf89 | 5570 | |
4a63c884 JF |
5571 | name = chomp_string(name); |
5572 | namelen = strcspn(name, separators); | |
5573 | ||
5574 | if (name[namelen]) { | |
5575 | name[namelen] = 0; | |
5576 | value = chomp_string(name + namelen + 1); | |
d0cea5f9 | 5577 | valuelen = strlen(value); |
4670cf89 | 5578 | |
d0cea5f9 | 5579 | } else { |
d0cea5f9 JF |
5580 | value = ""; |
5581 | valuelen = 0; | |
4670cf89 | 5582 | } |
d0cea5f9 | 5583 | |
3c3801c2 | 5584 | state = read_property(name, namelen, value, valuelen); |
4670cf89 JF |
5585 | } |
5586 | ||
d0cea5f9 JF |
5587 | if (state != ERR && ferror(pipe)) |
5588 | state = ERR; | |
4670cf89 JF |
5589 | |
5590 | pclose(pipe); | |
5591 | ||
d0cea5f9 | 5592 | return state; |
4670cf89 JF |
5593 | } |
5594 | ||
d0cea5f9 | 5595 | |
6b161b31 JF |
5596 | /* |
5597 | * Main | |
5598 | */ | |
5599 | ||
b5c9e67f | 5600 | static void __NORETURN |
6b161b31 JF |
5601 | quit(int sig) |
5602 | { | |
8855ada4 JF |
5603 | /* XXX: Restore tty modes and let the OS cleanup the rest! */ |
5604 | if (cursed) | |
5605 | endwin(); | |
6b161b31 JF |
5606 | exit(0); |
5607 | } | |
5608 | ||
c6704a4e JF |
5609 | static void __NORETURN |
5610 | die(const char *err, ...) | |
6b161b31 JF |
5611 | { |
5612 | va_list args; | |
5613 | ||
5614 | endwin(); | |
5615 | ||
5616 | va_start(args, err); | |
5617 | fputs("tig: ", stderr); | |
5618 | vfprintf(stderr, err, args); | |
5619 | fputs("\n", stderr); | |
5620 | va_end(args); | |
5621 | ||
5622 | exit(1); | |
5623 | } | |
5624 | ||
77452abc JF |
5625 | static void |
5626 | warn(const char *msg, ...) | |
5627 | { | |
5628 | va_list args; | |
5629 | ||
5630 | va_start(args, msg); | |
5631 | fputs("tig warning: ", stderr); | |
5632 | vfprintf(stderr, msg, args); | |
5633 | fputs("\n", stderr); | |
5634 | va_end(args); | |
5635 | } | |
5636 | ||
6b161b31 JF |
5637 | int |
5638 | main(int argc, char *argv[]) | |
5639 | { | |
1ba2ae4b | 5640 | struct view *view; |
6b161b31 | 5641 | enum request request; |
1ba2ae4b | 5642 | size_t i; |
6b161b31 JF |
5643 | |
5644 | signal(SIGINT, quit); | |
5645 | ||
6b68fd24 | 5646 | if (setlocale(LC_ALL, "")) { |
739e81de JF |
5647 | char *codeset = nl_langinfo(CODESET); |
5648 | ||
5649 | string_ncopy(opt_codeset, codeset, strlen(codeset)); | |
6b68fd24 JF |
5650 | } |
5651 | ||
e0f50df0 JF |
5652 | if (load_repo_info() == ERR) |
5653 | die("Failed to load repo info."); | |
5654 | ||
660e09ad JF |
5655 | if (load_options() == ERR) |
5656 | die("Failed to load user config."); | |
5657 | ||
5658 | /* Load the repo config file so options can be overwritten from | |
739e81de | 5659 | * the command line. */ |
14c778a6 | 5660 | if (load_repo_config() == ERR) |
afdc35b3 | 5661 | die("Failed to load repo config."); |
91c5d983 | 5662 | |
8855ada4 | 5663 | if (!parse_options(argc, argv)) |
6b161b31 JF |
5664 | return 0; |
5665 | ||
58a5e4ea JF |
5666 | /* Require a git repository unless when running in pager mode. */ |
5667 | if (!opt_git_dir[0]) | |
5668 | die("Not a git repository"); | |
5669 | ||
504fbeeb JF |
5670 | if (*opt_encoding && strcasecmp(opt_encoding, "UTF-8")) |
5671 | opt_utf8 = FALSE; | |
5672 | ||
6b68fd24 JF |
5673 | if (*opt_codeset && strcmp(opt_codeset, opt_encoding)) { |
5674 | opt_iconv = iconv_open(opt_codeset, opt_encoding); | |
20f4b4a3 | 5675 | if (opt_iconv == ICONV_NONE) |
6b68fd24 JF |
5676 | die("Failed to initialize character set conversion"); |
5677 | } | |
5678 | ||
c34d9c9f JF |
5679 | if (load_refs() == ERR) |
5680 | die("Failed to load refs."); | |
5681 | ||
1ba2ae4b JF |
5682 | for (i = 0; i < ARRAY_SIZE(views) && (view = &views[i]); i++) |
5683 | view->cmd_env = getenv(view->cmd_env); | |
5684 | ||
6b161b31 JF |
5685 | request = opt_request; |
5686 | ||
5687 | init_display(); | |
b801d8b2 JF |
5688 | |
5689 | while (view_driver(display[current_view], request)) { | |
6b161b31 | 5690 | int key; |
b801d8b2 JF |
5691 | int i; |
5692 | ||
699ae55b | 5693 | foreach_view (view, i) |
6b161b31 | 5694 | update_view(view); |
b801d8b2 JF |
5695 | |
5696 | /* Refresh, accept single keystroke of input */ | |
6b161b31 | 5697 | key = wgetch(status_win); |
04e2b7b2 | 5698 | |
cf4d82e6 JF |
5699 | /* wgetch() with nodelay() enabled returns ERR when there's no |
5700 | * input. */ | |
5701 | if (key == ERR) { | |
5702 | request = REQ_NONE; | |
8b534a13 | 5703 | continue; |
cf4d82e6 | 5704 | } |
04e2b7b2 JF |
5705 | |
5706 | request = get_keybinding(display[current_view]->keymap, key); | |
03a93dbb | 5707 | |
6706b2ba | 5708 | /* Some low-level request handling. This keeps access to |
fac7db6c JF |
5709 | * status_win restricted. */ |
5710 | switch (request) { | |
5711 | case REQ_PROMPT: | |
9e21ce5c JF |
5712 | { |
5713 | char *cmd = read_prompt(":"); | |
5714 | ||
5715 | if (cmd && string_format(opt_cmd, "git %s", cmd)) { | |
5716 | if (strncmp(cmd, "show", 4) && isspace(cmd[4])) { | |
5717 | opt_request = REQ_VIEW_DIFF; | |
5718 | } else { | |
5719 | opt_request = REQ_VIEW_PAGER; | |
5720 | } | |
5721 | break; | |
5722 | } | |
fac7db6c | 5723 | |
1d754561 | 5724 | request = REQ_NONE; |
9e21ce5c JF |
5725 | break; |
5726 | } | |
4af34daa JF |
5727 | case REQ_SEARCH: |
5728 | case REQ_SEARCH_BACK: | |
5729 | { | |
5730 | const char *prompt = request == REQ_SEARCH | |
5731 | ? "/" : "?"; | |
5732 | char *search = read_prompt(prompt); | |
5733 | ||
5734 | if (search) | |
739e81de | 5735 | string_ncopy(opt_search, search, strlen(search)); |
4af34daa JF |
5736 | else |
5737 | request = REQ_NONE; | |
5738 | break; | |
5739 | } | |
fac7db6c JF |
5740 | case REQ_SCREEN_RESIZE: |
5741 | { | |
5742 | int height, width; | |
5743 | ||
5744 | getmaxyx(stdscr, height, width); | |
5745 | ||
5746 | /* Resize the status view and let the view driver take | |
5747 | * care of resizing the displayed views. */ | |
5748 | wresize(status_win, 1, width); | |
5749 | mvwin(status_win, height - 1, 0); | |
5750 | wrefresh(status_win); | |
5751 | break; | |
5752 | } | |
5753 | default: | |
5754 | break; | |
03a93dbb | 5755 | } |
b801d8b2 JF |
5756 | } |
5757 | ||
5758 | quit(0); | |
5759 | ||
5760 | return 0; | |
5761 | } |