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