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 | ||
b801d8b2 | 45 | #include <curses.h> |
b801d8b2 | 46 | |
e2da526d JF |
47 | #if __GNUC__ >= 3 |
48 | #define __NORETURN __attribute__((__noreturn__)) | |
49 | #else | |
50 | #define __NORETURN | |
51 | #endif | |
52 | ||
53 | static void __NORETURN die(const char *err, ...); | |
b801d8b2 | 54 | static void report(const char *msg, ...); |
5699e0cf | 55 | static int read_properties(FILE *pipe, const char *separators, int (*read)(char *, size_t, char *, size_t)); |
1ba2ae4b | 56 | static void set_nonblocking_input(bool loading); |
10e290ee | 57 | static size_t utf8_length(const char *string, size_t max_width, int *coloffset, int *trimmed); |
6b161b31 JF |
58 | |
59 | #define ABS(x) ((x) >= 0 ? (x) : -(x)) | |
60 | #define MIN(x, y) ((x) < (y) ? (x) : (y)) | |
61 | ||
62 | #define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0])) | |
63 | #define STRING_SIZE(x) (sizeof(x) - 1) | |
b76c2afc | 64 | |
17482b11 | 65 | #define SIZEOF_STR 1024 /* Default string size. */ |
2e8488b4 | 66 | #define SIZEOF_REF 256 /* Size of symbolic or SHA1 ID. */ |
10446330 | 67 | #define SIZEOF_REV 41 /* Holds a SHA-1 and an ending NUL */ |
c8d60a25 JF |
68 | |
69 | /* Revision graph */ | |
70 | ||
71 | #define REVGRAPH_INIT 'I' | |
72 | #define REVGRAPH_MERGE 'M' | |
73 | #define REVGRAPH_BRANCH '+' | |
74 | #define REVGRAPH_COMMIT '*' | |
e81e9c2c | 75 | #define REVGRAPH_BOUND '^' |
c8d60a25 JF |
76 | #define REVGRAPH_LINE '|' |
77 | ||
54efb62b | 78 | #define SIZEOF_REVGRAPH 19 /* Size of revision ancestry graphics. */ |
b801d8b2 | 79 | |
82e78006 JF |
80 | /* This color name can be used to refer to the default term colors. */ |
81 | #define COLOR_DEFAULT (-1) | |
78c70acd | 82 | |
6b68fd24 | 83 | #define ICONV_NONE ((iconv_t) -1) |
58a5e4ea JF |
84 | #ifndef ICONV_CONST |
85 | #define ICONV_CONST /* nothing */ | |
86 | #endif | |
6b68fd24 | 87 | |
82e78006 | 88 | /* The format and size of the date column in the main view. */ |
4c6fabc2 | 89 | #define DATE_FORMAT "%Y-%m-%d %H:%M" |
6b161b31 | 90 | #define DATE_COLS STRING_SIZE("2006-04-29 14:21 ") |
4c6fabc2 | 91 | |
10e290ee JF |
92 | #define AUTHOR_COLS 20 |
93 | ||
a28bcc22 | 94 | /* The default interval between line numbers. */ |
4a2909a7 | 95 | #define NUMBER_INTERVAL 1 |
82e78006 | 96 | |
6706b2ba JF |
97 | #define TABSIZE 8 |
98 | ||
a28bcc22 JF |
99 | #define SCALE_SPLIT_VIEW(height) ((height) * 2 / 3) |
100 | ||
96e58f5b | 101 | #ifndef GIT_CONFIG |
da633326 | 102 | #define GIT_CONFIG "git config" |
96e58f5b JF |
103 | #endif |
104 | ||
8eb62770 | 105 | #define TIG_LS_REMOTE \ |
337d7377 | 106 | "git ls-remote $(git rev-parse --git-dir) 2>/dev/null" |
8eb62770 JF |
107 | |
108 | #define TIG_DIFF_CMD \ | |
4ef1bf12 | 109 | "git show --no-color --root --patch-with-stat --find-copies-harder -C %s 2>/dev/null" |
8eb62770 JF |
110 | |
111 | #define TIG_LOG_CMD \ | |
8897e66a | 112 | "git log --no-color --cc --stat -n100 %s 2>/dev/null" |
8eb62770 JF |
113 | |
114 | #define TIG_MAIN_CMD \ | |
e81e9c2c | 115 | "git log --no-color --topo-order --boundary --pretty=raw %s 2>/dev/null" |
8eb62770 | 116 | |
e733ee54 JF |
117 | #define TIG_TREE_CMD \ |
118 | "git ls-tree %s %s" | |
119 | ||
120 | #define TIG_BLOB_CMD \ | |
121 | "git cat-file blob %s" | |
122 | ||
8eb62770 JF |
123 | /* XXX: Needs to be defined to the empty string. */ |
124 | #define TIG_HELP_CMD "" | |
125 | #define TIG_PAGER_CMD "" | |
173d76ea | 126 | #define TIG_STATUS_CMD "" |
3e634113 | 127 | #define TIG_STAGE_CMD "" |
8eb62770 | 128 | |
8855ada4 | 129 | /* Some ascii-shorthands fitted into the ncurses namespace. */ |
a28bcc22 JF |
130 | #define KEY_TAB '\t' |
131 | #define KEY_RETURN '\r' | |
4a2909a7 JF |
132 | #define KEY_ESC 27 |
133 | ||
6706b2ba | 134 | |
c34d9c9f | 135 | struct ref { |
468876c9 | 136 | char *name; /* Ref name; tag or head names are shortened. */ |
10446330 | 137 | char id[SIZEOF_REV]; /* Commit SHA1 ID */ |
468876c9 | 138 | unsigned int tag:1; /* Is it a tag? */ |
e15ec88e | 139 | unsigned int remote:1; /* Is it a remote ref? */ |
468876c9 | 140 | unsigned int next:1; /* For ref lists: are there more refs? */ |
c34d9c9f JF |
141 | }; |
142 | ||
ff26aa29 | 143 | static struct ref **get_refs(char *id); |
4c6fabc2 | 144 | |
660e09ad JF |
145 | struct int_map { |
146 | const char *name; | |
147 | int namelen; | |
148 | int value; | |
149 | }; | |
150 | ||
151 | static int | |
152 | set_from_int_map(struct int_map *map, size_t map_size, | |
153 | int *value, const char *name, int namelen) | |
154 | { | |
155 | ||
156 | int i; | |
157 | ||
158 | for (i = 0; i < map_size; i++) | |
159 | if (namelen == map[i].namelen && | |
160 | !strncasecmp(name, map[i].name, namelen)) { | |
161 | *value = map[i].value; | |
162 | return OK; | |
163 | } | |
164 | ||
165 | return ERR; | |
166 | } | |
167 | ||
6706b2ba | 168 | |
03a93dbb JF |
169 | /* |
170 | * String helpers | |
171 | */ | |
78c70acd | 172 | |
82e78006 | 173 | static inline void |
9a48919b | 174 | string_ncopy_do(char *dst, size_t dstlen, const char *src, size_t srclen) |
82e78006 | 175 | { |
9a48919b JF |
176 | if (srclen > dstlen - 1) |
177 | srclen = dstlen - 1; | |
03a93dbb | 178 | |
9a48919b JF |
179 | strncpy(dst, src, srclen); |
180 | dst[srclen] = 0; | |
82e78006 JF |
181 | } |
182 | ||
9a48919b JF |
183 | /* Shorthands for safely copying into a fixed buffer. */ |
184 | ||
82e78006 | 185 | #define string_copy(dst, src) \ |
751e27c9 | 186 | string_ncopy_do(dst, sizeof(dst), src, sizeof(src)) |
9a48919b JF |
187 | |
188 | #define string_ncopy(dst, src, srclen) \ | |
189 | string_ncopy_do(dst, sizeof(dst), src, srclen) | |
82e78006 | 190 | |
2463b4ea JF |
191 | #define string_copy_rev(dst, src) \ |
192 | string_ncopy_do(dst, SIZEOF_REV, src, SIZEOF_REV - 1) | |
193 | ||
91c5d983 JF |
194 | #define string_add(dst, from, src) \ |
195 | string_ncopy_do(dst + (from), sizeof(dst) - (from), src, sizeof(src)) | |
196 | ||
4a63c884 JF |
197 | static char * |
198 | chomp_string(char *name) | |
199 | { | |
200 | int namelen; | |
201 | ||
202 | while (isspace(*name)) | |
203 | name++; | |
204 | ||
205 | namelen = strlen(name) - 1; | |
206 | while (namelen > 0 && isspace(name[namelen])) | |
207 | name[namelen--] = 0; | |
208 | ||
209 | return name; | |
210 | } | |
211 | ||
cc2d1364 | 212 | static bool |
d65ced0d | 213 | string_nformat(char *buf, size_t bufsize, size_t *bufpos, const char *fmt, ...) |
cc2d1364 JF |
214 | { |
215 | va_list args; | |
d65ced0d | 216 | size_t pos = bufpos ? *bufpos : 0; |
cc2d1364 JF |
217 | |
218 | va_start(args, fmt); | |
219 | pos += vsnprintf(buf + pos, bufsize - pos, fmt, args); | |
220 | va_end(args); | |
221 | ||
222 | if (bufpos) | |
223 | *bufpos = pos; | |
224 | ||
225 | return pos >= bufsize ? FALSE : TRUE; | |
226 | } | |
227 | ||
228 | #define string_format(buf, fmt, args...) \ | |
229 | string_nformat(buf, sizeof(buf), NULL, fmt, args) | |
230 | ||
231 | #define string_format_from(buf, from, fmt, args...) \ | |
232 | string_nformat(buf, sizeof(buf), from, fmt, args) | |
6706b2ba | 233 | |
201f5a18 JF |
234 | static int |
235 | string_enum_compare(const char *str1, const char *str2, int len) | |
236 | { | |
237 | size_t i; | |
238 | ||
239 | #define string_enum_sep(x) ((x) == '-' || (x) == '_' || (x) == '.') | |
240 | ||
241 | /* Diff-Header == DIFF_HEADER */ | |
242 | for (i = 0; i < len; i++) { | |
243 | if (toupper(str1[i]) == toupper(str2[i])) | |
244 | continue; | |
245 | ||
246 | if (string_enum_sep(str1[i]) && | |
247 | string_enum_sep(str2[i])) | |
248 | continue; | |
249 | ||
250 | return str1[i] - str2[i]; | |
251 | } | |
252 | ||
253 | return 0; | |
254 | } | |
255 | ||
03a93dbb JF |
256 | /* Shell quoting |
257 | * | |
258 | * NOTE: The following is a slightly modified copy of the git project's shell | |
259 | * quoting routines found in the quote.c file. | |
260 | * | |
261 | * Help to copy the thing properly quoted for the shell safety. any single | |
262 | * quote is replaced with '\'', any exclamation point is replaced with '\!', | |
263 | * and the whole thing is enclosed in a | |
264 | * | |
265 | * E.g. | |
266 | * original sq_quote result | |
267 | * name ==> name ==> 'name' | |
268 | * a b ==> a b ==> 'a b' | |
269 | * a'b ==> a'\''b ==> 'a'\''b' | |
270 | * a!b ==> a'\!'b ==> 'a'\!'b' | |
271 | */ | |
272 | ||
273 | static size_t | |
17482b11 | 274 | sq_quote(char buf[SIZEOF_STR], size_t bufsize, const char *src) |
03a93dbb JF |
275 | { |
276 | char c; | |
277 | ||
17482b11 | 278 | #define BUFPUT(x) do { if (bufsize < SIZEOF_STR) buf[bufsize++] = (x); } while (0) |
03a93dbb JF |
279 | |
280 | BUFPUT('\''); | |
281 | while ((c = *src++)) { | |
282 | if (c == '\'' || c == '!') { | |
283 | BUFPUT('\''); | |
284 | BUFPUT('\\'); | |
285 | BUFPUT(c); | |
286 | BUFPUT('\''); | |
287 | } else { | |
288 | BUFPUT(c); | |
289 | } | |
290 | } | |
291 | BUFPUT('\''); | |
292 | ||
f0f114ac JF |
293 | if (bufsize < SIZEOF_STR) |
294 | buf[bufsize] = 0; | |
295 | ||
03a93dbb JF |
296 | return bufsize; |
297 | } | |
298 | ||
82e78006 | 299 | |
24b5b3e0 JF |
300 | /* |
301 | * User requests | |
302 | */ | |
303 | ||
304 | #define REQ_INFO \ | |
305 | /* XXX: Keep the view request first and in sync with views[]. */ \ | |
306 | REQ_GROUP("View switching") \ | |
307 | REQ_(VIEW_MAIN, "Show main view"), \ | |
308 | REQ_(VIEW_DIFF, "Show diff view"), \ | |
309 | REQ_(VIEW_LOG, "Show log view"), \ | |
e733ee54 JF |
310 | REQ_(VIEW_TREE, "Show tree view"), \ |
311 | REQ_(VIEW_BLOB, "Show blob view"), \ | |
24b5b3e0 JF |
312 | REQ_(VIEW_HELP, "Show help page"), \ |
313 | REQ_(VIEW_PAGER, "Show pager view"), \ | |
173d76ea | 314 | REQ_(VIEW_STATUS, "Show status view"), \ |
3e634113 | 315 | REQ_(VIEW_STAGE, "Show stage view"), \ |
24b5b3e0 JF |
316 | \ |
317 | REQ_GROUP("View manipulation") \ | |
318 | REQ_(ENTER, "Enter current line and scroll"), \ | |
319 | REQ_(NEXT, "Move to next"), \ | |
320 | REQ_(PREVIOUS, "Move to previous"), \ | |
321 | REQ_(VIEW_NEXT, "Move focus to next view"), \ | |
acaef3b3 | 322 | REQ_(REFRESH, "Reload and refresh"), \ |
24b5b3e0 JF |
323 | REQ_(VIEW_CLOSE, "Close the current view"), \ |
324 | REQ_(QUIT, "Close all views and quit"), \ | |
325 | \ | |
326 | REQ_GROUP("Cursor navigation") \ | |
327 | REQ_(MOVE_UP, "Move cursor one line up"), \ | |
328 | REQ_(MOVE_DOWN, "Move cursor one line down"), \ | |
329 | REQ_(MOVE_PAGE_DOWN, "Move cursor one page down"), \ | |
330 | REQ_(MOVE_PAGE_UP, "Move cursor one page up"), \ | |
331 | REQ_(MOVE_FIRST_LINE, "Move cursor to first line"), \ | |
332 | REQ_(MOVE_LAST_LINE, "Move cursor to last line"), \ | |
333 | \ | |
334 | REQ_GROUP("Scrolling") \ | |
335 | REQ_(SCROLL_LINE_UP, "Scroll one line up"), \ | |
336 | REQ_(SCROLL_LINE_DOWN, "Scroll one line down"), \ | |
337 | REQ_(SCROLL_PAGE_UP, "Scroll one page up"), \ | |
338 | REQ_(SCROLL_PAGE_DOWN, "Scroll one page down"), \ | |
339 | \ | |
4af34daa JF |
340 | REQ_GROUP("Searching") \ |
341 | REQ_(SEARCH, "Search the view"), \ | |
342 | REQ_(SEARCH_BACK, "Search backwards in the view"), \ | |
343 | REQ_(FIND_NEXT, "Find next search match"), \ | |
344 | REQ_(FIND_PREV, "Find previous search match"), \ | |
345 | \ | |
24b5b3e0 JF |
346 | REQ_GROUP("Misc") \ |
347 | REQ_(PROMPT, "Bring up the prompt"), \ | |
24b5b3e0 JF |
348 | REQ_(SCREEN_REDRAW, "Redraw the screen"), \ |
349 | REQ_(SCREEN_RESIZE, "Resize the screen"), \ | |
350 | REQ_(SHOW_VERSION, "Show version information"), \ | |
351 | REQ_(STOP_LOADING, "Stop all loading views"), \ | |
54efb62b | 352 | REQ_(TOGGLE_LINENO, "Toggle line numbers"), \ |
ca1d71ea | 353 | REQ_(TOGGLE_REV_GRAPH, "Toggle revision graph visualization"), \ |
0cea0d43 | 354 | REQ_(STATUS_UPDATE, "Update file status"), \ |
b5c18d9d | 355 | REQ_(STATUS_MERGE, "Merge file using external tool"), \ |
c509eed2 | 356 | REQ_(TREE_PARENT, "Switch to parent directory in tree view"), \ |
226da94b | 357 | REQ_(EDIT, "Open in editor"), \ |
d31a629d | 358 | REQ_(NONE, "Do nothing") |
24b5b3e0 JF |
359 | |
360 | ||
361 | /* User action requests. */ | |
362 | enum request { | |
363 | #define REQ_GROUP(help) | |
364 | #define REQ_(req, help) REQ_##req | |
365 | ||
366 | /* Offset all requests to avoid conflicts with ncurses getch values. */ | |
367 | REQ_OFFSET = KEY_MAX + 1, | |
d31a629d | 368 | REQ_INFO |
24b5b3e0 JF |
369 | |
370 | #undef REQ_GROUP | |
371 | #undef REQ_ | |
372 | }; | |
373 | ||
374 | struct request_info { | |
375 | enum request request; | |
04e2b7b2 JF |
376 | char *name; |
377 | int namelen; | |
24b5b3e0 JF |
378 | char *help; |
379 | }; | |
380 | ||
381 | static struct request_info req_info[] = { | |
04e2b7b2 JF |
382 | #define REQ_GROUP(help) { 0, NULL, 0, (help) }, |
383 | #define REQ_(req, help) { REQ_##req, (#req), STRING_SIZE(#req), (help) } | |
24b5b3e0 JF |
384 | REQ_INFO |
385 | #undef REQ_GROUP | |
386 | #undef REQ_ | |
387 | }; | |
388 | ||
04e2b7b2 JF |
389 | static enum request |
390 | get_request(const char *name) | |
391 | { | |
392 | int namelen = strlen(name); | |
393 | int i; | |
394 | ||
395 | for (i = 0; i < ARRAY_SIZE(req_info); i++) | |
396 | if (req_info[i].namelen == namelen && | |
397 | !string_enum_compare(req_info[i].name, name, namelen)) | |
398 | return req_info[i].request; | |
399 | ||
d31a629d | 400 | return REQ_NONE; |
04e2b7b2 JF |
401 | } |
402 | ||
403 | ||
8eb62770 JF |
404 | /* |
405 | * Options | |
406 | */ | |
b76c2afc | 407 | |
4b8c01a3 | 408 | static const char usage[] = |
ec31d0d0 | 409 | "tig " TIG_VERSION " (" __DATE__ ")\n" |
4b8c01a3 JF |
410 | "\n" |
411 | "Usage: tig [options]\n" | |
412 | " or: tig [options] [--] [git log options]\n" | |
413 | " or: tig [options] log [git log options]\n" | |
414 | " or: tig [options] diff [git diff options]\n" | |
415 | " or: tig [options] show [git show options]\n" | |
416 | " or: tig [options] < [git command output]\n" | |
417 | "\n" | |
418 | "Options:\n" | |
419 | " -l Start up in log view\n" | |
420 | " -d Start up in diff view\n" | |
173d76ea | 421 | " -S Start up in status view\n" |
4b8c01a3 | 422 | " -n[I], --line-number[=I] Show line numbers with given interval\n" |
b3c965c9 | 423 | " -b[N], --tab-size[=N] Set number of spaces for tab expansion\n" |
4b8c01a3 JF |
424 | " -- Mark end of tig options\n" |
425 | " -v, --version Show version and exit\n" | |
426 | " -h, --help Show help message and exit\n"; | |
427 | ||
6706b2ba | 428 | /* Option and state variables. */ |
92d30f5c | 429 | static bool opt_line_number = FALSE; |
11ce319e | 430 | static bool opt_rev_graph = FALSE; |
92d30f5c JF |
431 | static int opt_num_interval = NUMBER_INTERVAL; |
432 | static int opt_tab_size = TABSIZE; | |
433 | static enum request opt_request = REQ_VIEW_MAIN; | |
434 | static char opt_cmd[SIZEOF_STR] = ""; | |
e733ee54 | 435 | static char opt_path[SIZEOF_STR] = ""; |
92d30f5c JF |
436 | static FILE *opt_pipe = NULL; |
437 | static char opt_encoding[20] = "UTF-8"; | |
438 | static bool opt_utf8 = TRUE; | |
439 | static char opt_codeset[20] = "UTF-8"; | |
440 | static iconv_t opt_iconv = ICONV_NONE; | |
441 | static char opt_search[SIZEOF_STR] = ""; | |
91c5d983 | 442 | static char opt_cdup[SIZEOF_STR] = ""; |
810f0078 | 443 | static char opt_git_dir[SIZEOF_STR] = ""; |
c38c64bb | 444 | static char opt_is_inside_work_tree = -1; /* set to TRUE or FALSE */ |
0cea0d43 | 445 | static char opt_editor[SIZEOF_STR] = ""; |
b76c2afc | 446 | |
6dbf6c19 JF |
447 | enum option_type { |
448 | OPT_NONE, | |
449 | OPT_INT, | |
450 | }; | |
451 | ||
452 | static bool | |
453 | check_option(char *opt, char short_name, char *name, enum option_type type, ...) | |
454 | { | |
455 | va_list args; | |
456 | char *value = ""; | |
457 | int *number; | |
458 | ||
459 | if (opt[0] != '-') | |
460 | return FALSE; | |
461 | ||
462 | if (opt[1] == '-') { | |
463 | int namelen = strlen(name); | |
464 | ||
465 | opt += 2; | |
466 | ||
467 | if (strncmp(opt, name, namelen)) | |
468 | return FALSE; | |
469 | ||
470 | if (opt[namelen] == '=') | |
471 | value = opt + namelen + 1; | |
472 | ||
473 | } else { | |
474 | if (!short_name || opt[1] != short_name) | |
475 | return FALSE; | |
476 | value = opt + 2; | |
477 | } | |
478 | ||
479 | va_start(args, type); | |
480 | if (type == OPT_INT) { | |
481 | number = va_arg(args, int *); | |
482 | if (isdigit(*value)) | |
483 | *number = atoi(value); | |
484 | } | |
485 | va_end(args); | |
486 | ||
487 | return TRUE; | |
488 | } | |
489 | ||
b76c2afc | 490 | /* Returns the index of log or diff command or -1 to exit. */ |
8855ada4 | 491 | static bool |
b76c2afc JF |
492 | parse_options(int argc, char *argv[]) |
493 | { | |
494 | int i; | |
495 | ||
496 | for (i = 1; i < argc; i++) { | |
497 | char *opt = argv[i]; | |
498 | ||
3621d94e JF |
499 | if (!strcmp(opt, "log") || |
500 | !strcmp(opt, "diff") || | |
501 | !strcmp(opt, "show")) { | |
502 | opt_request = opt[0] == 'l' | |
503 | ? REQ_VIEW_LOG : REQ_VIEW_DIFF; | |
504 | break; | |
505 | } | |
506 | ||
8d27b36e JF |
507 | if (opt[0] && opt[0] != '-') |
508 | break; | |
509 | ||
bfe97931 JF |
510 | if (!strcmp(opt, "--")) { |
511 | i++; | |
512 | break; | |
513 | } | |
514 | ||
515 | if (check_option(opt, 'v', "version", OPT_NONE)) { | |
516 | printf("tig version %s\n", TIG_VERSION); | |
517 | return FALSE; | |
518 | } | |
519 | ||
520 | if (check_option(opt, 'h', "help", OPT_NONE)) { | |
521 | printf(usage); | |
522 | return FALSE; | |
523 | } | |
524 | ||
525 | if (!strcmp(opt, "-S")) { | |
526 | opt_request = REQ_VIEW_STATUS; | |
527 | continue; | |
528 | } | |
529 | ||
6b161b31 | 530 | if (!strcmp(opt, "-l")) { |
4a2909a7 | 531 | opt_request = REQ_VIEW_LOG; |
6b161b31 JF |
532 | continue; |
533 | } | |
b76c2afc | 534 | |
6b161b31 | 535 | if (!strcmp(opt, "-d")) { |
4a2909a7 | 536 | opt_request = REQ_VIEW_DIFF; |
6b161b31 JF |
537 | continue; |
538 | } | |
b76c2afc | 539 | |
6dbf6c19 | 540 | if (check_option(opt, 'n', "line-number", OPT_INT, &opt_num_interval)) { |
6b161b31 JF |
541 | opt_line_number = TRUE; |
542 | continue; | |
543 | } | |
b76c2afc | 544 | |
6dbf6c19 JF |
545 | if (check_option(opt, 'b', "tab-size", OPT_INT, &opt_tab_size)) { |
546 | opt_tab_size = MIN(opt_tab_size, TABSIZE); | |
6706b2ba JF |
547 | continue; |
548 | } | |
549 | ||
bf174187 | 550 | die("unknown option '%s'\n\n%s", opt, usage); |
b76c2afc JF |
551 | } |
552 | ||
6908bdbd | 553 | if (!isatty(STDIN_FILENO)) { |
6908bdbd JF |
554 | opt_request = REQ_VIEW_PAGER; |
555 | opt_pipe = stdin; | |
556 | ||
557 | } else if (i < argc) { | |
558 | size_t buf_size; | |
559 | ||
6908bdbd | 560 | if (opt_request == REQ_VIEW_MAIN) |
8855ada4 JF |
561 | /* XXX: This is vulnerable to the user overriding |
562 | * options required for the main view parser. */ | |
e81e9c2c | 563 | string_copy(opt_cmd, "git log --no-color --pretty=raw --boundary"); |
6908bdbd JF |
564 | else |
565 | string_copy(opt_cmd, "git"); | |
566 | buf_size = strlen(opt_cmd); | |
567 | ||
568 | while (buf_size < sizeof(opt_cmd) && i < argc) { | |
569 | opt_cmd[buf_size++] = ' '; | |
570 | buf_size = sq_quote(opt_cmd, buf_size, argv[i++]); | |
571 | } | |
572 | ||
573 | if (buf_size >= sizeof(opt_cmd)) | |
574 | die("command too long"); | |
575 | ||
576 | opt_cmd[buf_size] = 0; | |
6908bdbd JF |
577 | } |
578 | ||
afdc35b3 JF |
579 | if (*opt_encoding && strcasecmp(opt_encoding, "UTF-8")) |
580 | opt_utf8 = FALSE; | |
581 | ||
8855ada4 | 582 | return TRUE; |
b76c2afc JF |
583 | } |
584 | ||
585 | ||
54efb62b JF |
586 | /* |
587 | * Line-oriented content detection. | |
588 | */ | |
589 | ||
2e8488b4 | 590 | #define LINE_INFO \ |
660e09ad | 591 | LINE(DIFF_HEADER, "diff --git ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ |
a28bcc22 JF |
592 | LINE(DIFF_CHUNK, "@@", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
593 | LINE(DIFF_ADD, "+", COLOR_GREEN, COLOR_DEFAULT, 0), \ | |
594 | LINE(DIFF_DEL, "-", COLOR_RED, COLOR_DEFAULT, 0), \ | |
660e09ad JF |
595 | LINE(DIFF_INDEX, "index ", COLOR_BLUE, COLOR_DEFAULT, 0), \ |
596 | LINE(DIFF_OLDMODE, "old file mode ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
597 | LINE(DIFF_NEWMODE, "new file mode ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
598 | LINE(DIFF_COPY_FROM, "copy from", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
599 | LINE(DIFF_COPY_TO, "copy to", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
600 | LINE(DIFF_RENAME_FROM, "rename from", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
601 | LINE(DIFF_RENAME_TO, "rename to", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
602 | LINE(DIFF_SIMILARITY, "similarity ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
603 | LINE(DIFF_DISSIMILARITY,"dissimilarity ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
604 | LINE(DIFF_TREE, "diff-tree ", COLOR_BLUE, COLOR_DEFAULT, 0), \ | |
6908bdbd | 605 | LINE(PP_AUTHOR, "Author: ", COLOR_CYAN, COLOR_DEFAULT, 0), \ |
8855ada4 | 606 | LINE(PP_COMMIT, "Commit: ", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
6908bdbd JF |
607 | LINE(PP_MERGE, "Merge: ", COLOR_BLUE, COLOR_DEFAULT, 0), \ |
608 | LINE(PP_DATE, "Date: ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
8855ada4 JF |
609 | LINE(PP_ADATE, "AuthorDate: ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ |
610 | LINE(PP_CDATE, "CommitDate: ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
7b99a34c | 611 | LINE(PP_REFS, "Refs: ", COLOR_RED, COLOR_DEFAULT, 0), \ |
a28bcc22 JF |
612 | LINE(COMMIT, "commit ", COLOR_GREEN, COLOR_DEFAULT, 0), \ |
613 | LINE(PARENT, "parent ", COLOR_BLUE, COLOR_DEFAULT, 0), \ | |
614 | LINE(TREE, "tree ", COLOR_BLUE, COLOR_DEFAULT, 0), \ | |
8855ada4 | 615 | LINE(AUTHOR, "author ", COLOR_CYAN, COLOR_DEFAULT, 0), \ |
a28bcc22 | 616 | LINE(COMMITTER, "committer ", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
a28bcc22 | 617 | LINE(SIGNOFF, " Signed-off-by", COLOR_YELLOW, COLOR_DEFAULT, 0), \ |
d4d8de8f | 618 | LINE(ACKED, " Acked-by", COLOR_YELLOW, COLOR_DEFAULT, 0), \ |
a28bcc22 JF |
619 | LINE(DEFAULT, "", COLOR_DEFAULT, COLOR_DEFAULT, A_NORMAL), \ |
620 | LINE(CURSOR, "", COLOR_WHITE, COLOR_GREEN, A_BOLD), \ | |
621 | LINE(STATUS, "", COLOR_GREEN, COLOR_DEFAULT, 0), \ | |
6b161b31 JF |
622 | LINE(TITLE_BLUR, "", COLOR_WHITE, COLOR_BLUE, 0), \ |
623 | LINE(TITLE_FOCUS, "", COLOR_WHITE, COLOR_BLUE, A_BOLD), \ | |
a28bcc22 JF |
624 | LINE(MAIN_DATE, "", COLOR_BLUE, COLOR_DEFAULT, 0), \ |
625 | LINE(MAIN_AUTHOR, "", COLOR_GREEN, COLOR_DEFAULT, 0), \ | |
626 | LINE(MAIN_COMMIT, "", COLOR_DEFAULT, COLOR_DEFAULT, 0), \ | |
c34d9c9f JF |
627 | LINE(MAIN_DELIM, "", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
628 | LINE(MAIN_TAG, "", COLOR_MAGENTA, COLOR_DEFAULT, A_BOLD), \ | |
e15ec88e | 629 | LINE(MAIN_REMOTE, "", COLOR_YELLOW, COLOR_DEFAULT, A_BOLD), \ |
660e09ad | 630 | LINE(MAIN_REF, "", COLOR_CYAN, COLOR_DEFAULT, A_BOLD), \ |
f83b1c33 | 631 | LINE(MAIN_REVGRAPH,"", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
e733ee54 | 632 | LINE(TREE_DIR, "", COLOR_DEFAULT, COLOR_DEFAULT, A_NORMAL), \ |
173d76ea | 633 | LINE(TREE_FILE, "", COLOR_DEFAULT, COLOR_DEFAULT, A_NORMAL), \ |
53924375 | 634 | LINE(STAT_SECTION, "", COLOR_CYAN, COLOR_DEFAULT, 0), \ |
173d76ea | 635 | LINE(STAT_NONE, "", COLOR_DEFAULT, COLOR_DEFAULT, 0), \ |
53924375 JF |
636 | LINE(STAT_STAGED, "", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
637 | LINE(STAT_UNSTAGED,"", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ | |
173d76ea | 638 | LINE(STAT_UNTRACKED,"", COLOR_MAGENTA, COLOR_DEFAULT, 0) |
660e09ad | 639 | |
78c70acd | 640 | enum line_type { |
2e8488b4 JF |
641 | #define LINE(type, line, fg, bg, attr) \ |
642 | LINE_##type | |
643 | LINE_INFO | |
644 | #undef LINE | |
78c70acd JF |
645 | }; |
646 | ||
647 | struct line_info { | |
660e09ad JF |
648 | const char *name; /* Option name. */ |
649 | int namelen; /* Size of option name. */ | |
4685845e | 650 | const char *line; /* The start of line to match. */ |
2e8488b4 JF |
651 | int linelen; /* Size of string to match. */ |
652 | int fg, bg, attr; /* Color and text attributes for the lines. */ | |
78c70acd JF |
653 | }; |
654 | ||
2e8488b4 | 655 | static struct line_info line_info[] = { |
78c70acd | 656 | #define LINE(type, line, fg, bg, attr) \ |
660e09ad | 657 | { #type, STRING_SIZE(#type), (line), STRING_SIZE(line), (fg), (bg), (attr) } |
2e8488b4 JF |
658 | LINE_INFO |
659 | #undef LINE | |
78c70acd JF |
660 | }; |
661 | ||
2e8488b4 JF |
662 | static enum line_type |
663 | get_line_type(char *line) | |
78c70acd JF |
664 | { |
665 | int linelen = strlen(line); | |
a28bcc22 | 666 | enum line_type type; |
78c70acd | 667 | |
a28bcc22 | 668 | for (type = 0; type < ARRAY_SIZE(line_info); type++) |
2e8488b4 | 669 | /* Case insensitive search matches Signed-off-by lines better. */ |
a28bcc22 JF |
670 | if (linelen >= line_info[type].linelen && |
671 | !strncasecmp(line_info[type].line, line, line_info[type].linelen)) | |
672 | return type; | |
78c70acd | 673 | |
2e8488b4 | 674 | return LINE_DEFAULT; |
78c70acd JF |
675 | } |
676 | ||
2e8488b4 | 677 | static inline int |
78c70acd JF |
678 | get_line_attr(enum line_type type) |
679 | { | |
2e8488b4 JF |
680 | assert(type < ARRAY_SIZE(line_info)); |
681 | return COLOR_PAIR(type) | line_info[type].attr; | |
78c70acd JF |
682 | } |
683 | ||
660e09ad JF |
684 | static struct line_info * |
685 | get_line_info(char *name, int namelen) | |
686 | { | |
687 | enum line_type type; | |
660e09ad JF |
688 | |
689 | for (type = 0; type < ARRAY_SIZE(line_info); type++) | |
690 | if (namelen == line_info[type].namelen && | |
201f5a18 | 691 | !string_enum_compare(line_info[type].name, name, namelen)) |
660e09ad JF |
692 | return &line_info[type]; |
693 | ||
694 | return NULL; | |
695 | } | |
696 | ||
78c70acd JF |
697 | static void |
698 | init_colors(void) | |
699 | { | |
62c7d1a7 JF |
700 | int default_bg = line_info[LINE_DEFAULT].bg; |
701 | int default_fg = line_info[LINE_DEFAULT].fg; | |
a28bcc22 | 702 | enum line_type type; |
78c70acd JF |
703 | |
704 | start_color(); | |
705 | ||
62c7d1a7 JF |
706 | if (assume_default_colors(default_fg, default_bg) == ERR) { |
707 | default_bg = COLOR_BLACK; | |
708 | default_fg = COLOR_WHITE; | |
78c70acd JF |
709 | } |
710 | ||
a28bcc22 JF |
711 | for (type = 0; type < ARRAY_SIZE(line_info); type++) { |
712 | struct line_info *info = &line_info[type]; | |
82e78006 JF |
713 | int bg = info->bg == COLOR_DEFAULT ? default_bg : info->bg; |
714 | int fg = info->fg == COLOR_DEFAULT ? default_fg : info->fg; | |
78c70acd | 715 | |
a28bcc22 | 716 | init_pair(type, fg, bg); |
78c70acd JF |
717 | } |
718 | } | |
719 | ||
fe7233c3 JF |
720 | struct line { |
721 | enum line_type type; | |
3c571d67 JF |
722 | |
723 | /* State flags */ | |
724 | unsigned int selected:1; | |
725 | ||
fe7233c3 JF |
726 | void *data; /* User data */ |
727 | }; | |
728 | ||
78c70acd | 729 | |
1899507c | 730 | /* |
37157fa0 JF |
731 | * Keys |
732 | */ | |
733 | ||
93a97d86 | 734 | struct keybinding { |
37157fa0 | 735 | int alias; |
93a97d86 | 736 | enum request request; |
04e2b7b2 | 737 | struct keybinding *next; |
37157fa0 JF |
738 | }; |
739 | ||
93a97d86 | 740 | static struct keybinding default_keybindings[] = { |
37157fa0 JF |
741 | /* View switching */ |
742 | { 'm', REQ_VIEW_MAIN }, | |
743 | { 'd', REQ_VIEW_DIFF }, | |
744 | { 'l', REQ_VIEW_LOG }, | |
e733ee54 | 745 | { 't', REQ_VIEW_TREE }, |
0001fc34 | 746 | { 'f', REQ_VIEW_BLOB }, |
37157fa0 JF |
747 | { 'p', REQ_VIEW_PAGER }, |
748 | { 'h', REQ_VIEW_HELP }, | |
173d76ea | 749 | { 'S', REQ_VIEW_STATUS }, |
3e634113 | 750 | { 'c', REQ_VIEW_STAGE }, |
37157fa0 JF |
751 | |
752 | /* View manipulation */ | |
753 | { 'q', REQ_VIEW_CLOSE }, | |
754 | { KEY_TAB, REQ_VIEW_NEXT }, | |
755 | { KEY_RETURN, REQ_ENTER }, | |
756 | { KEY_UP, REQ_PREVIOUS }, | |
757 | { KEY_DOWN, REQ_NEXT }, | |
acaef3b3 | 758 | { 'R', REQ_REFRESH }, |
37157fa0 JF |
759 | |
760 | /* Cursor navigation */ | |
761 | { 'k', REQ_MOVE_UP }, | |
762 | { 'j', REQ_MOVE_DOWN }, | |
763 | { KEY_HOME, REQ_MOVE_FIRST_LINE }, | |
764 | { KEY_END, REQ_MOVE_LAST_LINE }, | |
765 | { KEY_NPAGE, REQ_MOVE_PAGE_DOWN }, | |
766 | { ' ', REQ_MOVE_PAGE_DOWN }, | |
767 | { KEY_PPAGE, REQ_MOVE_PAGE_UP }, | |
768 | { 'b', REQ_MOVE_PAGE_UP }, | |
769 | { '-', REQ_MOVE_PAGE_UP }, | |
770 | ||
771 | /* Scrolling */ | |
772 | { KEY_IC, REQ_SCROLL_LINE_UP }, | |
773 | { KEY_DC, REQ_SCROLL_LINE_DOWN }, | |
774 | { 'w', REQ_SCROLL_PAGE_UP }, | |
775 | { 's', REQ_SCROLL_PAGE_DOWN }, | |
776 | ||
4af34daa JF |
777 | /* Searching */ |
778 | { '/', REQ_SEARCH }, | |
779 | { '?', REQ_SEARCH_BACK }, | |
780 | { 'n', REQ_FIND_NEXT }, | |
781 | { 'N', REQ_FIND_PREV }, | |
782 | ||
37157fa0 JF |
783 | /* Misc */ |
784 | { 'Q', REQ_QUIT }, | |
785 | { 'z', REQ_STOP_LOADING }, | |
786 | { 'v', REQ_SHOW_VERSION }, | |
787 | { 'r', REQ_SCREEN_REDRAW }, | |
904e68d8 | 788 | { '.', REQ_TOGGLE_LINENO }, |
73fb51d5 | 789 | { 'g', REQ_TOGGLE_REV_GRAPH }, |
37157fa0 | 790 | { ':', REQ_PROMPT }, |
ca1d71ea | 791 | { 'u', REQ_STATUS_UPDATE }, |
b5c18d9d | 792 | { 'M', REQ_STATUS_MERGE }, |
c509eed2 | 793 | { ',', REQ_TREE_PARENT }, |
0cea0d43 | 794 | { 'e', REQ_EDIT }, |
37157fa0 | 795 | |
1d754561 | 796 | /* Using the ncurses SIGWINCH handler. */ |
37157fa0 JF |
797 | { KEY_RESIZE, REQ_SCREEN_RESIZE }, |
798 | }; | |
799 | ||
04e2b7b2 JF |
800 | #define KEYMAP_INFO \ |
801 | KEYMAP_(GENERIC), \ | |
802 | KEYMAP_(MAIN), \ | |
803 | KEYMAP_(DIFF), \ | |
804 | KEYMAP_(LOG), \ | |
e733ee54 JF |
805 | KEYMAP_(TREE), \ |
806 | KEYMAP_(BLOB), \ | |
04e2b7b2 | 807 | KEYMAP_(PAGER), \ |
173d76ea | 808 | KEYMAP_(HELP), \ |
3e634113 JF |
809 | KEYMAP_(STATUS), \ |
810 | KEYMAP_(STAGE) | |
04e2b7b2 JF |
811 | |
812 | enum keymap { | |
813 | #define KEYMAP_(name) KEYMAP_##name | |
814 | KEYMAP_INFO | |
815 | #undef KEYMAP_ | |
816 | }; | |
817 | ||
818 | static struct int_map keymap_table[] = { | |
819 | #define KEYMAP_(name) { #name, STRING_SIZE(#name), KEYMAP_##name } | |
820 | KEYMAP_INFO | |
821 | #undef KEYMAP_ | |
822 | }; | |
823 | ||
824 | #define set_keymap(map, name) \ | |
825 | set_from_int_map(keymap_table, ARRAY_SIZE(keymap_table), map, name, strlen(name)) | |
826 | ||
827 | static struct keybinding *keybindings[ARRAY_SIZE(keymap_table)]; | |
828 | ||
829 | static void | |
830 | add_keybinding(enum keymap keymap, enum request request, int key) | |
831 | { | |
832 | struct keybinding *keybinding; | |
833 | ||
834 | keybinding = calloc(1, sizeof(*keybinding)); | |
835 | if (!keybinding) | |
836 | die("Failed to allocate keybinding"); | |
837 | ||
838 | keybinding->alias = key; | |
839 | keybinding->request = request; | |
840 | keybinding->next = keybindings[keymap]; | |
841 | keybindings[keymap] = keybinding; | |
842 | } | |
843 | ||
844 | /* Looks for a key binding first in the given map, then in the generic map, and | |
845 | * lastly in the default keybindings. */ | |
37157fa0 | 846 | static enum request |
04e2b7b2 | 847 | get_keybinding(enum keymap keymap, int key) |
37157fa0 | 848 | { |
04e2b7b2 | 849 | struct keybinding *kbd; |
37157fa0 JF |
850 | int i; |
851 | ||
04e2b7b2 JF |
852 | for (kbd = keybindings[keymap]; kbd; kbd = kbd->next) |
853 | if (kbd->alias == key) | |
854 | return kbd->request; | |
855 | ||
856 | for (kbd = keybindings[KEYMAP_GENERIC]; kbd; kbd = kbd->next) | |
857 | if (kbd->alias == key) | |
858 | return kbd->request; | |
859 | ||
93a97d86 JF |
860 | for (i = 0; i < ARRAY_SIZE(default_keybindings); i++) |
861 | if (default_keybindings[i].alias == key) | |
862 | return default_keybindings[i].request; | |
37157fa0 JF |
863 | |
864 | return (enum request) key; | |
865 | } | |
866 | ||
93a97d86 | 867 | |
37157fa0 JF |
868 | struct key { |
869 | char *name; | |
870 | int value; | |
871 | }; | |
872 | ||
873 | static struct key key_table[] = { | |
874 | { "Enter", KEY_RETURN }, | |
875 | { "Space", ' ' }, | |
876 | { "Backspace", KEY_BACKSPACE }, | |
877 | { "Tab", KEY_TAB }, | |
878 | { "Escape", KEY_ESC }, | |
879 | { "Left", KEY_LEFT }, | |
880 | { "Right", KEY_RIGHT }, | |
881 | { "Up", KEY_UP }, | |
882 | { "Down", KEY_DOWN }, | |
883 | { "Insert", KEY_IC }, | |
884 | { "Delete", KEY_DC }, | |
74f83ee6 | 885 | { "Hash", '#' }, |
37157fa0 JF |
886 | { "Home", KEY_HOME }, |
887 | { "End", KEY_END }, | |
888 | { "PageUp", KEY_PPAGE }, | |
889 | { "PageDown", KEY_NPAGE }, | |
890 | { "F1", KEY_F(1) }, | |
891 | { "F2", KEY_F(2) }, | |
892 | { "F3", KEY_F(3) }, | |
893 | { "F4", KEY_F(4) }, | |
894 | { "F5", KEY_F(5) }, | |
895 | { "F6", KEY_F(6) }, | |
896 | { "F7", KEY_F(7) }, | |
897 | { "F8", KEY_F(8) }, | |
898 | { "F9", KEY_F(9) }, | |
899 | { "F10", KEY_F(10) }, | |
900 | { "F11", KEY_F(11) }, | |
901 | { "F12", KEY_F(12) }, | |
902 | }; | |
903 | ||
04e2b7b2 JF |
904 | static int |
905 | get_key_value(const char *name) | |
906 | { | |
907 | int i; | |
908 | ||
909 | for (i = 0; i < ARRAY_SIZE(key_table); i++) | |
910 | if (!strcasecmp(key_table[i].name, name)) | |
911 | return key_table[i].value; | |
912 | ||
913 | if (strlen(name) == 1 && isprint(*name)) | |
914 | return (int) *name; | |
915 | ||
916 | return ERR; | |
917 | } | |
918 | ||
37157fa0 | 919 | static char * |
9eb14b72 JF |
920 | get_key_name(int key_value) |
921 | { | |
922 | static char key_char[] = "'X'"; | |
923 | char *seq = NULL; | |
924 | int key; | |
925 | ||
926 | for (key = 0; key < ARRAY_SIZE(key_table); key++) | |
927 | if (key_table[key].value == key_value) | |
928 | seq = key_table[key].name; | |
929 | ||
930 | if (seq == NULL && | |
931 | key_value < 127 && | |
932 | isprint(key_value)) { | |
933 | key_char[1] = (char) key_value; | |
934 | seq = key_char; | |
935 | } | |
936 | ||
937 | return seq ? seq : "'?'"; | |
938 | } | |
939 | ||
940 | static char * | |
37157fa0 JF |
941 | get_key(enum request request) |
942 | { | |
943 | static char buf[BUFSIZ]; | |
d65ced0d | 944 | size_t pos = 0; |
520094b4 | 945 | char *sep = ""; |
37157fa0 JF |
946 | int i; |
947 | ||
948 | buf[pos] = 0; | |
949 | ||
93a97d86 JF |
950 | for (i = 0; i < ARRAY_SIZE(default_keybindings); i++) { |
951 | struct keybinding *keybinding = &default_keybindings[i]; | |
37157fa0 | 952 | |
93a97d86 | 953 | if (keybinding->request != request) |
37157fa0 JF |
954 | continue; |
955 | ||
738bee4a JF |
956 | if (!string_format_from(buf, &pos, "%s%s", sep, |
957 | get_key_name(keybinding->alias))) | |
37157fa0 JF |
958 | return "Too many keybindings!"; |
959 | sep = ", "; | |
960 | } | |
961 | ||
962 | return buf; | |
963 | } | |
964 | ||
9eb14b72 JF |
965 | struct run_request { |
966 | enum keymap keymap; | |
967 | int key; | |
968 | char cmd[SIZEOF_STR]; | |
969 | }; | |
970 | ||
971 | static struct run_request *run_request; | |
972 | static size_t run_requests; | |
973 | ||
974 | static enum request | |
975 | add_run_request(enum keymap keymap, int key, int argc, char **argv) | |
976 | { | |
977 | struct run_request *tmp; | |
978 | struct run_request req = { keymap, key }; | |
979 | size_t bufpos; | |
980 | ||
981 | for (bufpos = 0; argc > 0; argc--, argv++) | |
982 | if (!string_format_from(req.cmd, &bufpos, "%s ", *argv)) | |
983 | return REQ_NONE; | |
984 | ||
985 | req.cmd[bufpos - 1] = 0; | |
986 | ||
987 | tmp = realloc(run_request, (run_requests + 1) * sizeof(*run_request)); | |
988 | if (!tmp) | |
989 | return REQ_NONE; | |
990 | ||
991 | run_request = tmp; | |
992 | run_request[run_requests++] = req; | |
993 | ||
994 | return REQ_NONE + run_requests; | |
995 | } | |
996 | ||
997 | static struct run_request * | |
998 | get_run_request(enum request request) | |
999 | { | |
1000 | if (request <= REQ_NONE) | |
1001 | return NULL; | |
1002 | return &run_request[request - REQ_NONE - 1]; | |
1003 | } | |
37157fa0 | 1004 | |
f655964f JF |
1005 | static void |
1006 | add_builtin_run_requests(void) | |
1007 | { | |
1008 | struct { | |
1009 | enum keymap keymap; | |
1010 | int key; | |
1011 | char *argv[1]; | |
1012 | } reqs[] = { | |
1013 | { KEYMAP_MAIN, 'C', { "git cherry-pick %(commit)" } }, | |
1014 | { KEYMAP_GENERIC, 'G', { "git gc" } }, | |
1015 | }; | |
1016 | int i; | |
1017 | ||
1018 | for (i = 0; i < ARRAY_SIZE(reqs); i++) { | |
1019 | enum request req; | |
1020 | ||
1021 | req = add_run_request(reqs[i].keymap, reqs[i].key, 1, reqs[i].argv); | |
1022 | if (req != REQ_NONE) | |
1023 | add_keybinding(reqs[i].keymap, req, reqs[i].key); | |
1024 | } | |
1025 | } | |
1026 | ||
37157fa0 | 1027 | /* |
1899507c JF |
1028 | * User config file handling. |
1029 | */ | |
1030 | ||
5dc795f2 JF |
1031 | static struct int_map color_map[] = { |
1032 | #define COLOR_MAP(name) { #name, STRING_SIZE(#name), COLOR_##name } | |
1033 | COLOR_MAP(DEFAULT), | |
1034 | COLOR_MAP(BLACK), | |
1035 | COLOR_MAP(BLUE), | |
1036 | COLOR_MAP(CYAN), | |
1037 | COLOR_MAP(GREEN), | |
1038 | COLOR_MAP(MAGENTA), | |
1039 | COLOR_MAP(RED), | |
1040 | COLOR_MAP(WHITE), | |
1041 | COLOR_MAP(YELLOW), | |
1042 | }; | |
1043 | ||
9256ab05 JF |
1044 | #define set_color(color, name) \ |
1045 | set_from_int_map(color_map, ARRAY_SIZE(color_map), color, name, strlen(name)) | |
660e09ad | 1046 | |
5dc795f2 JF |
1047 | static struct int_map attr_map[] = { |
1048 | #define ATTR_MAP(name) { #name, STRING_SIZE(#name), A_##name } | |
1049 | ATTR_MAP(NORMAL), | |
1050 | ATTR_MAP(BLINK), | |
1051 | ATTR_MAP(BOLD), | |
1052 | ATTR_MAP(DIM), | |
1053 | ATTR_MAP(REVERSE), | |
1054 | ATTR_MAP(STANDOUT), | |
1055 | ATTR_MAP(UNDERLINE), | |
1056 | }; | |
1057 | ||
9256ab05 JF |
1058 | #define set_attribute(attr, name) \ |
1059 | set_from_int_map(attr_map, ARRAY_SIZE(attr_map), attr, name, strlen(name)) | |
660e09ad | 1060 | |
3c3801c2 JF |
1061 | static int config_lineno; |
1062 | static bool config_errors; | |
1063 | static char *config_msg; | |
1064 | ||
5bfd96c7 | 1065 | /* Wants: object fgcolor bgcolor [attr] */ |
660e09ad | 1066 | static int |
5bfd96c7 | 1067 | option_color_command(int argc, char *argv[]) |
660e09ad | 1068 | { |
bca8fcaa JF |
1069 | struct line_info *info; |
1070 | ||
9256ab05 JF |
1071 | if (argc != 3 && argc != 4) { |
1072 | config_msg = "Wrong number of arguments given to color command"; | |
1073 | return ERR; | |
1074 | } | |
1075 | ||
1076 | info = get_line_info(argv[0], strlen(argv[0])); | |
bca8fcaa JF |
1077 | if (!info) { |
1078 | config_msg = "Unknown color name"; | |
1079 | return ERR; | |
1080 | } | |
660e09ad | 1081 | |
a3653368 JF |
1082 | if (set_color(&info->fg, argv[1]) == ERR || |
1083 | set_color(&info->bg, argv[2]) == ERR) { | |
bca8fcaa JF |
1084 | config_msg = "Unknown color"; |
1085 | return ERR; | |
1086 | } | |
660e09ad | 1087 | |
9256ab05 | 1088 | if (argc == 4 && set_attribute(&info->attr, argv[3]) == ERR) { |
bca8fcaa JF |
1089 | config_msg = "Unknown attribute"; |
1090 | return ERR; | |
660e09ad JF |
1091 | } |
1092 | ||
bca8fcaa JF |
1093 | return OK; |
1094 | } | |
1095 | ||
5bfd96c7 JF |
1096 | /* Wants: name = value */ |
1097 | static int | |
1098 | option_set_command(int argc, char *argv[]) | |
1099 | { | |
1100 | if (argc != 3) { | |
1101 | config_msg = "Wrong number of arguments given to set command"; | |
1102 | return ERR; | |
1103 | } | |
1104 | ||
1105 | if (strcmp(argv[1], "=")) { | |
1106 | config_msg = "No value assigned"; | |
1107 | return ERR; | |
1108 | } | |
1109 | ||
1110 | if (!strcmp(argv[0], "show-rev-graph")) { | |
1111 | opt_rev_graph = (!strcmp(argv[2], "1") || | |
1112 | !strcmp(argv[2], "true") || | |
1113 | !strcmp(argv[2], "yes")); | |
1114 | return OK; | |
1115 | } | |
1116 | ||
1117 | if (!strcmp(argv[0], "line-number-interval")) { | |
1118 | opt_num_interval = atoi(argv[2]); | |
1119 | return OK; | |
1120 | } | |
1121 | ||
1122 | if (!strcmp(argv[0], "tab-size")) { | |
1123 | opt_tab_size = atoi(argv[2]); | |
1124 | return OK; | |
1125 | } | |
1126 | ||
cb7267ee | 1127 | if (!strcmp(argv[0], "commit-encoding")) { |
3cc9a4d4 JF |
1128 | char *arg = argv[2]; |
1129 | int delimiter = *arg; | |
1130 | int i; | |
1131 | ||
1132 | switch (delimiter) { | |
1133 | case '"': | |
1134 | case '\'': | |
1135 | for (arg++, i = 0; arg[i]; i++) | |
1136 | if (arg[i] == delimiter) { | |
1137 | arg[i] = 0; | |
1138 | break; | |
1139 | } | |
1140 | default: | |
739e81de | 1141 | string_ncopy(opt_encoding, arg, strlen(arg)); |
3cc9a4d4 JF |
1142 | return OK; |
1143 | } | |
5bfd96c7 JF |
1144 | } |
1145 | ||
a3653368 | 1146 | config_msg = "Unknown variable name"; |
5bfd96c7 JF |
1147 | return ERR; |
1148 | } | |
1149 | ||
04e2b7b2 JF |
1150 | /* Wants: mode request key */ |
1151 | static int | |
1152 | option_bind_command(int argc, char *argv[]) | |
1153 | { | |
1154 | enum request request; | |
1155 | int keymap; | |
1156 | int key; | |
1157 | ||
9eb14b72 | 1158 | if (argc < 3) { |
04e2b7b2 JF |
1159 | config_msg = "Wrong number of arguments given to bind command"; |
1160 | return ERR; | |
1161 | } | |
1162 | ||
1163 | if (set_keymap(&keymap, argv[0]) == ERR) { | |
1164 | config_msg = "Unknown key map"; | |
1165 | return ERR; | |
1166 | } | |
1167 | ||
1168 | key = get_key_value(argv[1]); | |
1169 | if (key == ERR) { | |
1170 | config_msg = "Unknown key"; | |
1171 | return ERR; | |
1172 | } | |
1173 | ||
1174 | request = get_request(argv[2]); | |
f40385ae | 1175 | if (request == REQ_NONE) { |
f655964f JF |
1176 | const char *obsolete[] = { "cherry-pick" }; |
1177 | size_t namelen = strlen(argv[2]); | |
1178 | int i; | |
1179 | ||
1180 | for (i = 0; i < ARRAY_SIZE(obsolete); i++) { | |
1181 | if (namelen == strlen(obsolete[i]) && | |
1182 | !string_enum_compare(obsolete[i], argv[2], namelen)) { | |
1183 | config_msg = "Obsolete request name"; | |
1184 | return ERR; | |
1185 | } | |
1186 | } | |
1187 | } | |
9eb14b72 JF |
1188 | if (request == REQ_NONE && *argv[2]++ == '!') |
1189 | request = add_run_request(keymap, key, argc - 2, argv + 2); | |
d31a629d | 1190 | if (request == REQ_NONE) { |
04e2b7b2 JF |
1191 | config_msg = "Unknown request name"; |
1192 | return ERR; | |
1193 | } | |
1194 | ||
1195 | add_keybinding(keymap, request, key); | |
1196 | ||
1197 | return OK; | |
1198 | } | |
1199 | ||
bca8fcaa | 1200 | static int |
9256ab05 | 1201 | set_option(char *opt, char *value) |
bca8fcaa | 1202 | { |
9256ab05 JF |
1203 | char *argv[16]; |
1204 | int valuelen; | |
1205 | int argc = 0; | |
1206 | ||
1207 | /* Tokenize */ | |
1208 | while (argc < ARRAY_SIZE(argv) && (valuelen = strcspn(value, " \t"))) { | |
1209 | argv[argc++] = value; | |
9256ab05 | 1210 | value += valuelen; |
b86250da JF |
1211 | |
1212 | /* Nothing more to tokenize or last available token. */ | |
1213 | if (!*value || argc >= ARRAY_SIZE(argv)) | |
9256ab05 JF |
1214 | break; |
1215 | ||
1216 | *value++ = 0; | |
1217 | while (isspace(*value)) | |
1218 | value++; | |
1219 | } | |
1220 | ||
1221 | if (!strcmp(opt, "color")) | |
5bfd96c7 JF |
1222 | return option_color_command(argc, argv); |
1223 | ||
1224 | if (!strcmp(opt, "set")) | |
1225 | return option_set_command(argc, argv); | |
bca8fcaa | 1226 | |
04e2b7b2 JF |
1227 | if (!strcmp(opt, "bind")) |
1228 | return option_bind_command(argc, argv); | |
1229 | ||
a3653368 | 1230 | config_msg = "Unknown option command"; |
660e09ad JF |
1231 | return ERR; |
1232 | } | |
1233 | ||
1234 | static int | |
5699e0cf | 1235 | read_option(char *opt, size_t optlen, char *value, size_t valuelen) |
3c3801c2 | 1236 | { |
a3653368 JF |
1237 | int status = OK; |
1238 | ||
3c3801c2 JF |
1239 | config_lineno++; |
1240 | config_msg = "Internal error"; | |
1241 | ||
a3653368 JF |
1242 | /* Check for comment markers, since read_properties() will |
1243 | * only ensure opt and value are split at first " \t". */ | |
74f83ee6 | 1244 | optlen = strcspn(opt, "#"); |
a3653368 | 1245 | if (optlen == 0) |
3c3801c2 JF |
1246 | return OK; |
1247 | ||
a3653368 JF |
1248 | if (opt[optlen] != 0) { |
1249 | config_msg = "No option value"; | |
1250 | status = ERR; | |
1251 | ||
1252 | } else { | |
1253 | /* Look for comment endings in the value. */ | |
5699e0cf | 1254 | size_t len = strcspn(value, "#"); |
a3653368 JF |
1255 | |
1256 | if (len < valuelen) { | |
1257 | valuelen = len; | |
1258 | value[valuelen] = 0; | |
1259 | } | |
1260 | ||
1261 | status = set_option(opt, value); | |
3c3801c2 JF |
1262 | } |
1263 | ||
a3653368 JF |
1264 | if (status == ERR) { |
1265 | fprintf(stderr, "Error on line %d, near '%.*s': %s\n", | |
07c3971e | 1266 | config_lineno, (int) optlen, opt, config_msg); |
3c3801c2 JF |
1267 | config_errors = TRUE; |
1268 | } | |
1269 | ||
1270 | /* Always keep going if errors are encountered. */ | |
1271 | return OK; | |
1272 | } | |
1273 | ||
1274 | static int | |
660e09ad JF |
1275 | load_options(void) |
1276 | { | |
1277 | char *home = getenv("HOME"); | |
17482b11 | 1278 | char buf[SIZEOF_STR]; |
660e09ad JF |
1279 | FILE *file; |
1280 | ||
3c3801c2 JF |
1281 | config_lineno = 0; |
1282 | config_errors = FALSE; | |
1283 | ||
f655964f JF |
1284 | add_builtin_run_requests(); |
1285 | ||
cc2d1364 | 1286 | if (!home || !string_format(buf, "%s/.tigrc", home)) |
660e09ad JF |
1287 | return ERR; |
1288 | ||
1289 | /* It's ok that the file doesn't exist. */ | |
1290 | file = fopen(buf, "r"); | |
1291 | if (!file) | |
1292 | return OK; | |
1293 | ||
3c3801c2 JF |
1294 | if (read_properties(file, " \t", read_option) == ERR || |
1295 | config_errors == TRUE) | |
1296 | fprintf(stderr, "Errors while loading %s.\n", buf); | |
1297 | ||
1298 | return OK; | |
660e09ad JF |
1299 | } |
1300 | ||
1301 | ||
d839253b | 1302 | /* |
468876c9 | 1303 | * The viewer |
d839253b | 1304 | */ |
c2124ccd JF |
1305 | |
1306 | struct view; | |
fe7233c3 | 1307 | struct view_ops; |
c2124ccd JF |
1308 | |
1309 | /* The display array of active views and the index of the current view. */ | |
1310 | static struct view *display[2]; | |
1311 | static unsigned int current_view; | |
1312 | ||
ab4af23e JF |
1313 | /* Reading from the prompt? */ |
1314 | static bool input_mode = FALSE; | |
1315 | ||
33c4f9ea | 1316 | #define foreach_displayed_view(view, i) \ |
c2124ccd JF |
1317 | for (i = 0; i < ARRAY_SIZE(display) && (view = display[i]); i++) |
1318 | ||
9f41488f | 1319 | #define displayed_views() (display[1] != NULL ? 2 : 1) |
c2124ccd | 1320 | |
d839253b | 1321 | /* Current head and commit ID */ |
e733ee54 | 1322 | static char ref_blob[SIZEOF_REF] = ""; |
c2124ccd JF |
1323 | static char ref_commit[SIZEOF_REF] = "HEAD"; |
1324 | static char ref_head[SIZEOF_REF] = "HEAD"; | |
1325 | ||
b801d8b2 | 1326 | struct view { |
03a93dbb | 1327 | const char *name; /* View name */ |
4685845e TH |
1328 | const char *cmd_fmt; /* Default command line format */ |
1329 | const char *cmd_env; /* Command line set via environment */ | |
e733ee54 | 1330 | const char *id; /* Points to either of ref_{head,commit,blob} */ |
6b161b31 | 1331 | |
fe7233c3 | 1332 | struct view_ops *ops; /* View operations */ |
22f66b0a | 1333 | |
04e2b7b2 JF |
1334 | enum keymap keymap; /* What keymap does this view have */ |
1335 | ||
17482b11 | 1336 | char cmd[SIZEOF_STR]; /* Command buffer */ |
49f2b43f JF |
1337 | char ref[SIZEOF_REF]; /* Hovered commit reference */ |
1338 | char vid[SIZEOF_REF]; /* View ID. Set to id member when updating. */ | |
2e8488b4 | 1339 | |
8855ada4 JF |
1340 | int height, width; /* The width and height of the main window */ |
1341 | WINDOW *win; /* The main window */ | |
1342 | WINDOW *title; /* The title window living below the main window */ | |
b801d8b2 JF |
1343 | |
1344 | /* Navigation */ | |
1345 | unsigned long offset; /* Offset of the window top */ | |
1346 | unsigned long lineno; /* Current line number */ | |
1347 | ||
4af34daa JF |
1348 | /* Searching */ |
1349 | char grep[SIZEOF_STR]; /* Search string */ | |
b77b2cb8 | 1350 | regex_t *regex; /* Pre-compiled regex */ |
4af34daa | 1351 | |
f6da0b66 JF |
1352 | /* If non-NULL, points to the view that opened this view. If this view |
1353 | * is closed tig will switch back to the parent view. */ | |
1354 | struct view *parent; | |
1355 | ||
b801d8b2 JF |
1356 | /* Buffering */ |
1357 | unsigned long lines; /* Total number of lines */ | |
fe7233c3 | 1358 | struct line *line; /* Line index */ |
e2c01617 | 1359 | unsigned long line_size;/* Total number of allocated lines */ |
8855ada4 | 1360 | unsigned int digits; /* Number of digits in the lines member. */ |
b801d8b2 JF |
1361 | |
1362 | /* Loading */ | |
1363 | FILE *pipe; | |
2e8488b4 | 1364 | time_t start_time; |
b801d8b2 JF |
1365 | }; |
1366 | ||
fe7233c3 JF |
1367 | struct view_ops { |
1368 | /* What type of content being displayed. Used in the title bar. */ | |
1369 | const char *type; | |
f098944b JF |
1370 | /* Open and reads in all view content. */ |
1371 | bool (*open)(struct view *view); | |
fe7233c3 | 1372 | /* Read one line; updates view->line. */ |
701e4f5d | 1373 | bool (*read)(struct view *view, char *data); |
f098944b JF |
1374 | /* Draw one line; @lineno must be < view->height. */ |
1375 | bool (*draw)(struct view *view, struct line *line, unsigned int lineno, bool selected); | |
586c423d JF |
1376 | /* Depending on view handle a special requests. */ |
1377 | enum request (*request)(struct view *view, enum request request, struct line *line); | |
4af34daa JF |
1378 | /* Search for regex in a line. */ |
1379 | bool (*grep)(struct view *view, struct line *line); | |
d720de4b JF |
1380 | /* Select line */ |
1381 | void (*select)(struct view *view, struct line *line); | |
fe7233c3 JF |
1382 | }; |
1383 | ||
6b161b31 JF |
1384 | static struct view_ops pager_ops; |
1385 | static struct view_ops main_ops; | |
e733ee54 JF |
1386 | static struct view_ops tree_ops; |
1387 | static struct view_ops blob_ops; | |
f098944b | 1388 | static struct view_ops help_ops; |
173d76ea | 1389 | static struct view_ops status_ops; |
3e634113 | 1390 | static struct view_ops stage_ops; |
a28bcc22 | 1391 | |
04e2b7b2 JF |
1392 | #define VIEW_STR(name, cmd, env, ref, ops, map) \ |
1393 | { name, cmd, #env, ref, ops, map} | |
1ba2ae4b | 1394 | |
95d7ddcd | 1395 | #define VIEW_(id, name, ops, ref) \ |
04e2b7b2 | 1396 | VIEW_STR(name, TIG_##id##_CMD, TIG_##id##_CMD, ref, ops, KEYMAP_##id) |
1ba2ae4b | 1397 | |
c2124ccd | 1398 | |
b801d8b2 | 1399 | static struct view views[] = { |
173d76ea JF |
1400 | VIEW_(MAIN, "main", &main_ops, ref_head), |
1401 | VIEW_(DIFF, "diff", &pager_ops, ref_commit), | |
1402 | VIEW_(LOG, "log", &pager_ops, ref_head), | |
1403 | VIEW_(TREE, "tree", &tree_ops, ref_commit), | |
1404 | VIEW_(BLOB, "blob", &blob_ops, ref_blob), | |
b64c5b75 JF |
1405 | VIEW_(HELP, "help", &help_ops, ""), |
1406 | VIEW_(PAGER, "pager", &pager_ops, "stdin"), | |
173d76ea | 1407 | VIEW_(STATUS, "status", &status_ops, ""), |
3e634113 | 1408 | VIEW_(STAGE, "stage", &stage_ops, ""), |
b801d8b2 JF |
1409 | }; |
1410 | ||
a28bcc22 JF |
1411 | #define VIEW(req) (&views[(req) - REQ_OFFSET - 1]) |
1412 | ||
699ae55b JF |
1413 | #define foreach_view(view, i) \ |
1414 | for (i = 0; i < ARRAY_SIZE(views) && (view = &views[i]); i++) | |
1415 | ||
1416 | #define view_is_displayed(view) \ | |
1417 | (view == display[0] || view == display[1]) | |
4c6fabc2 | 1418 | |
fe7233c3 JF |
1419 | static bool |
1420 | draw_view_line(struct view *view, unsigned int lineno) | |
1421 | { | |
d720de4b | 1422 | struct line *line; |
5dcf8064 | 1423 | bool selected = (view->offset + lineno == view->lineno); |
4887d44e | 1424 | bool draw_ok; |
d720de4b | 1425 | |
699ae55b JF |
1426 | assert(view_is_displayed(view)); |
1427 | ||
fe7233c3 JF |
1428 | if (view->offset + lineno >= view->lines) |
1429 | return FALSE; | |
1430 | ||
d720de4b JF |
1431 | line = &view->line[view->offset + lineno]; |
1432 | ||
3c571d67 JF |
1433 | if (selected) { |
1434 | line->selected = TRUE; | |
d720de4b | 1435 | view->ops->select(view, line); |
3c571d67 JF |
1436 | } else if (line->selected) { |
1437 | line->selected = FALSE; | |
1438 | wmove(view->win, lineno, 0); | |
1439 | wclrtoeol(view->win); | |
1440 | } | |
d720de4b | 1441 | |
4887d44e JF |
1442 | scrollok(view->win, FALSE); |
1443 | draw_ok = view->ops->draw(view, line, lineno, selected); | |
1444 | scrollok(view->win, TRUE); | |
1445 | ||
1446 | return draw_ok; | |
fe7233c3 JF |
1447 | } |
1448 | ||
b801d8b2 | 1449 | static void |
82e78006 | 1450 | redraw_view_from(struct view *view, int lineno) |
b801d8b2 | 1451 | { |
82e78006 | 1452 | assert(0 <= lineno && lineno < view->height); |
b801d8b2 | 1453 | |
82e78006 | 1454 | for (; lineno < view->height; lineno++) { |
fe7233c3 | 1455 | if (!draw_view_line(view, lineno)) |
fd85fef1 | 1456 | break; |
b801d8b2 JF |
1457 | } |
1458 | ||
1459 | redrawwin(view->win); | |
ab4af23e JF |
1460 | if (input_mode) |
1461 | wnoutrefresh(view->win); | |
1462 | else | |
1463 | wrefresh(view->win); | |
b801d8b2 JF |
1464 | } |
1465 | ||
b76c2afc | 1466 | static void |
82e78006 JF |
1467 | redraw_view(struct view *view) |
1468 | { | |
1469 | wclear(view->win); | |
1470 | redraw_view_from(view, 0); | |
1471 | } | |
1472 | ||
c2124ccd | 1473 | |
6b161b31 | 1474 | static void |
81030ec8 JF |
1475 | update_view_title(struct view *view) |
1476 | { | |
3c112a88 | 1477 | char buf[SIZEOF_STR]; |
71d1c7db JF |
1478 | char state[SIZEOF_STR]; |
1479 | size_t bufpos = 0, statelen = 0; | |
81030ec8 | 1480 | |
3c112a88 | 1481 | assert(view_is_displayed(view)); |
81030ec8 | 1482 | |
249016a6 | 1483 | if (view != VIEW(REQ_VIEW_STATUS) && (view->lines || view->pipe)) { |
6d9c07af | 1484 | unsigned int view_lines = view->offset + view->height; |
c19f8017 | 1485 | unsigned int lines = view->lines |
6d9c07af | 1486 | ? MIN(view_lines, view->lines) * 100 / view->lines |
c19f8017 JF |
1487 | : 0; |
1488 | ||
71d1c7db | 1489 | string_format_from(state, &statelen, "- %s %d of %d (%d%%)", |
3c112a88 JF |
1490 | view->ops->type, |
1491 | view->lineno + 1, | |
1492 | view->lines, | |
1493 | lines); | |
81030ec8 | 1494 | |
5becf244 JF |
1495 | if (view->pipe) { |
1496 | time_t secs = time(NULL) - view->start_time; | |
f97f4012 | 1497 | |
5becf244 JF |
1498 | /* Three git seconds are a long time ... */ |
1499 | if (secs > 2) | |
71d1c7db | 1500 | string_format_from(state, &statelen, " %lds", secs); |
5becf244 | 1501 | } |
81030ec8 JF |
1502 | } |
1503 | ||
71d1c7db JF |
1504 | string_format_from(buf, &bufpos, "[%s]", view->name); |
1505 | if (*view->ref && bufpos < view->width) { | |
1506 | size_t refsize = strlen(view->ref); | |
1507 | size_t minsize = bufpos + 1 + /* abbrev= */ 7 + 1 + statelen; | |
1508 | ||
1509 | if (minsize < view->width) | |
1510 | refsize = view->width - minsize + 7; | |
d1858deb | 1511 | string_format_from(buf, &bufpos, " %.*s", (int) refsize, view->ref); |
71d1c7db | 1512 | } |
f97f4012 | 1513 | |
71d1c7db JF |
1514 | if (statelen && bufpos < view->width) { |
1515 | string_format_from(buf, &bufpos, " %s", state); | |
f97f4012 JF |
1516 | } |
1517 | ||
3c112a88 JF |
1518 | if (view == display[current_view]) |
1519 | wbkgdset(view->title, get_line_attr(LINE_TITLE_FOCUS)); | |
1520 | else | |
1521 | wbkgdset(view->title, get_line_attr(LINE_TITLE_BLUR)); | |
1522 | ||
3c112a88 | 1523 | mvwaddnstr(view->title, 0, 0, buf, bufpos); |
390a8262 | 1524 | wclrtoeol(view->title); |
976447f8 | 1525 | wmove(view->title, 0, view->width - 1); |
ab4af23e JF |
1526 | |
1527 | if (input_mode) | |
1528 | wnoutrefresh(view->title); | |
1529 | else | |
1530 | wrefresh(view->title); | |
81030ec8 JF |
1531 | } |
1532 | ||
1533 | static void | |
6b161b31 | 1534 | resize_display(void) |
b76c2afc | 1535 | { |
03a93dbb | 1536 | int offset, i; |
6b161b31 JF |
1537 | struct view *base = display[0]; |
1538 | struct view *view = display[1] ? display[1] : display[0]; | |
b76c2afc | 1539 | |
6b161b31 | 1540 | /* Setup window dimensions */ |
b76c2afc | 1541 | |
03a93dbb | 1542 | getmaxyx(stdscr, base->height, base->width); |
b76c2afc | 1543 | |
6b161b31 | 1544 | /* Make room for the status window. */ |
03a93dbb | 1545 | base->height -= 1; |
6b161b31 JF |
1546 | |
1547 | if (view != base) { | |
03a93dbb JF |
1548 | /* Horizontal split. */ |
1549 | view->width = base->width; | |
6b161b31 JF |
1550 | view->height = SCALE_SPLIT_VIEW(base->height); |
1551 | base->height -= view->height; | |
1552 | ||
1553 | /* Make room for the title bar. */ | |
1554 | view->height -= 1; | |
1555 | } | |
1556 | ||
1557 | /* Make room for the title bar. */ | |
1558 | base->height -= 1; | |
1559 | ||
1560 | offset = 0; | |
1561 | ||
33c4f9ea | 1562 | foreach_displayed_view (view, i) { |
b76c2afc | 1563 | if (!view->win) { |
c19f8017 | 1564 | view->win = newwin(view->height, 0, offset, 0); |
6b161b31 JF |
1565 | if (!view->win) |
1566 | die("Failed to create %s view", view->name); | |
1567 | ||
1568 | scrollok(view->win, TRUE); | |
1569 | ||
1570 | view->title = newwin(1, 0, offset + view->height, 0); | |
1571 | if (!view->title) | |
1572 | die("Failed to create title window"); | |
1573 | ||
1574 | } else { | |
c19f8017 | 1575 | wresize(view->win, view->height, view->width); |
6b161b31 JF |
1576 | mvwin(view->win, offset, 0); |
1577 | mvwin(view->title, offset + view->height, 0); | |
a28bcc22 | 1578 | } |
a28bcc22 | 1579 | |
6b161b31 | 1580 | offset += view->height + 1; |
b76c2afc | 1581 | } |
6b161b31 | 1582 | } |
b76c2afc | 1583 | |
6b161b31 | 1584 | static void |
20bb5e18 JF |
1585 | redraw_display(void) |
1586 | { | |
1587 | struct view *view; | |
1588 | int i; | |
1589 | ||
33c4f9ea | 1590 | foreach_displayed_view (view, i) { |
20bb5e18 JF |
1591 | redraw_view(view); |
1592 | update_view_title(view); | |
1593 | } | |
1594 | } | |
1595 | ||
85af6284 | 1596 | static void |
2bee3bde | 1597 | update_display_cursor(struct view *view) |
85af6284 | 1598 | { |
85af6284 JF |
1599 | /* Move the cursor to the right-most column of the cursor line. |
1600 | * | |
1601 | * XXX: This could turn out to be a bit expensive, but it ensures that | |
1602 | * the cursor does not jump around. */ | |
1603 | if (view->lines) { | |
1604 | wmove(view->win, view->lineno - view->offset, view->width - 1); | |
1605 | wrefresh(view->win); | |
1606 | } | |
1607 | } | |
20bb5e18 | 1608 | |
2e8488b4 JF |
1609 | /* |
1610 | * Navigation | |
1611 | */ | |
1612 | ||
4a2909a7 | 1613 | /* Scrolling backend */ |
b801d8b2 | 1614 | static void |
8c317212 | 1615 | do_scroll_view(struct view *view, int lines) |
b801d8b2 | 1616 | { |
a0087dd5 JF |
1617 | bool redraw_current_line = FALSE; |
1618 | ||
fd85fef1 JF |
1619 | /* The rendering expects the new offset. */ |
1620 | view->offset += lines; | |
1621 | ||
1622 | assert(0 <= view->offset && view->offset < view->lines); | |
1623 | assert(lines); | |
b801d8b2 | 1624 | |
a0087dd5 JF |
1625 | /* Move current line into the view. */ |
1626 | if (view->lineno < view->offset) { | |
1627 | view->lineno = view->offset; | |
1628 | redraw_current_line = TRUE; | |
1629 | } else if (view->lineno >= view->offset + view->height) { | |
1630 | view->lineno = view->offset + view->height - 1; | |
1631 | redraw_current_line = TRUE; | |
1632 | } | |
1633 | ||
1634 | assert(view->offset <= view->lineno && view->lineno < view->lines); | |
1635 | ||
82e78006 | 1636 | /* Redraw the whole screen if scrolling is pointless. */ |
4c6fabc2 | 1637 | if (view->height < ABS(lines)) { |
b76c2afc JF |
1638 | redraw_view(view); |
1639 | ||
1640 | } else { | |
22f66b0a | 1641 | int line = lines > 0 ? view->height - lines : 0; |
82e78006 | 1642 | int end = line + ABS(lines); |
fd85fef1 JF |
1643 | |
1644 | wscrl(view->win, lines); | |
1645 | ||
22f66b0a | 1646 | for (; line < end; line++) { |
fe7233c3 | 1647 | if (!draw_view_line(view, line)) |
fd85fef1 JF |
1648 | break; |
1649 | } | |
fd85fef1 | 1650 | |
a0087dd5 JF |
1651 | if (redraw_current_line) |
1652 | draw_view_line(view, view->lineno - view->offset); | |
fd85fef1 JF |
1653 | } |
1654 | ||
fd85fef1 JF |
1655 | redrawwin(view->win); |
1656 | wrefresh(view->win); | |
9d3f5834 | 1657 | report(""); |
fd85fef1 | 1658 | } |
78c70acd | 1659 | |
4a2909a7 | 1660 | /* Scroll frontend */ |
fd85fef1 | 1661 | static void |
6b161b31 | 1662 | scroll_view(struct view *view, enum request request) |
fd85fef1 JF |
1663 | { |
1664 | int lines = 1; | |
b801d8b2 | 1665 | |
8c317212 JF |
1666 | assert(view_is_displayed(view)); |
1667 | ||
b801d8b2 | 1668 | switch (request) { |
4a2909a7 | 1669 | case REQ_SCROLL_PAGE_DOWN: |
fd85fef1 | 1670 | lines = view->height; |
4a2909a7 | 1671 | case REQ_SCROLL_LINE_DOWN: |
b801d8b2 | 1672 | if (view->offset + lines > view->lines) |
bde3653a | 1673 | lines = view->lines - view->offset; |
b801d8b2 | 1674 | |
fd85fef1 | 1675 | if (lines == 0 || view->offset + view->height >= view->lines) { |
eb98559e | 1676 | report("Cannot scroll beyond the last line"); |
b801d8b2 JF |
1677 | return; |
1678 | } | |
1679 | break; | |
1680 | ||
4a2909a7 | 1681 | case REQ_SCROLL_PAGE_UP: |
fd85fef1 | 1682 | lines = view->height; |
4a2909a7 | 1683 | case REQ_SCROLL_LINE_UP: |
b801d8b2 JF |
1684 | if (lines > view->offset) |
1685 | lines = view->offset; | |
1686 | ||
1687 | if (lines == 0) { | |
eb98559e | 1688 | report("Cannot scroll beyond the first line"); |
b801d8b2 JF |
1689 | return; |
1690 | } | |
1691 | ||
fd85fef1 | 1692 | lines = -lines; |
b801d8b2 | 1693 | break; |
03a93dbb | 1694 | |
6b161b31 JF |
1695 | default: |
1696 | die("request %d not handled in switch", request); | |
b801d8b2 JF |
1697 | } |
1698 | ||
8c317212 | 1699 | do_scroll_view(view, lines); |
fd85fef1 | 1700 | } |
b801d8b2 | 1701 | |
4a2909a7 | 1702 | /* Cursor moving */ |
fd85fef1 | 1703 | static void |
8522ecc7 | 1704 | move_view(struct view *view, enum request request) |
fd85fef1 | 1705 | { |
dfaa6c81 | 1706 | int scroll_steps = 0; |
fd85fef1 | 1707 | int steps; |
b801d8b2 | 1708 | |
fd85fef1 | 1709 | switch (request) { |
4a2909a7 | 1710 | case REQ_MOVE_FIRST_LINE: |
78c70acd JF |
1711 | steps = -view->lineno; |
1712 | break; | |
1713 | ||
4a2909a7 | 1714 | case REQ_MOVE_LAST_LINE: |
78c70acd JF |
1715 | steps = view->lines - view->lineno - 1; |
1716 | break; | |
1717 | ||
4a2909a7 | 1718 | case REQ_MOVE_PAGE_UP: |
78c70acd JF |
1719 | steps = view->height > view->lineno |
1720 | ? -view->lineno : -view->height; | |
1721 | break; | |
1722 | ||
4a2909a7 | 1723 | case REQ_MOVE_PAGE_DOWN: |
78c70acd JF |
1724 | steps = view->lineno + view->height >= view->lines |
1725 | ? view->lines - view->lineno - 1 : view->height; | |
1726 | break; | |
1727 | ||
4a2909a7 | 1728 | case REQ_MOVE_UP: |
fd85fef1 JF |
1729 | steps = -1; |
1730 | break; | |
b801d8b2 | 1731 | |
4a2909a7 | 1732 | case REQ_MOVE_DOWN: |
fd85fef1 JF |
1733 | steps = 1; |
1734 | break; | |
6b161b31 JF |
1735 | |
1736 | default: | |
1737 | die("request %d not handled in switch", request); | |
78c70acd | 1738 | } |
b801d8b2 | 1739 | |
4c6fabc2 | 1740 | if (steps <= 0 && view->lineno == 0) { |
eb98559e | 1741 | report("Cannot move beyond the first line"); |
78c70acd | 1742 | return; |
b801d8b2 | 1743 | |
6908bdbd | 1744 | } else if (steps >= 0 && view->lineno + 1 >= view->lines) { |
eb98559e | 1745 | report("Cannot move beyond the last line"); |
78c70acd | 1746 | return; |
fd85fef1 JF |
1747 | } |
1748 | ||
4c6fabc2 | 1749 | /* Move the current line */ |
fd85fef1 | 1750 | view->lineno += steps; |
4c6fabc2 JF |
1751 | assert(0 <= view->lineno && view->lineno < view->lines); |
1752 | ||
4c6fabc2 | 1753 | /* Check whether the view needs to be scrolled */ |
fd85fef1 JF |
1754 | if (view->lineno < view->offset || |
1755 | view->lineno >= view->offset + view->height) { | |
dfaa6c81 | 1756 | scroll_steps = steps; |
fd85fef1 | 1757 | if (steps < 0 && -steps > view->offset) { |
dfaa6c81 | 1758 | scroll_steps = -view->offset; |
b76c2afc JF |
1759 | |
1760 | } else if (steps > 0) { | |
1761 | if (view->lineno == view->lines - 1 && | |
1762 | view->lines > view->height) { | |
dfaa6c81 JF |
1763 | scroll_steps = view->lines - view->offset - 1; |
1764 | if (scroll_steps >= view->height) | |
1765 | scroll_steps -= view->height - 1; | |
b76c2afc | 1766 | } |
b801d8b2 | 1767 | } |
8522ecc7 JF |
1768 | } |
1769 | ||
1770 | if (!view_is_displayed(view)) { | |
a3965365 JF |
1771 | view->offset += scroll_steps; |
1772 | assert(0 <= view->offset && view->offset < view->lines); | |
8522ecc7 JF |
1773 | view->ops->select(view, &view->line[view->lineno]); |
1774 | return; | |
1775 | } | |
1776 | ||
1777 | /* Repaint the old "current" line if we be scrolling */ | |
1778 | if (ABS(steps) < view->height) | |
1779 | draw_view_line(view, view->lineno - steps - view->offset); | |
1780 | ||
dfaa6c81 JF |
1781 | if (scroll_steps) { |
1782 | do_scroll_view(view, scroll_steps); | |
fd85fef1 | 1783 | return; |
b801d8b2 JF |
1784 | } |
1785 | ||
4c6fabc2 | 1786 | /* Draw the current line */ |
fe7233c3 | 1787 | draw_view_line(view, view->lineno - view->offset); |
fd85fef1 | 1788 | |
b801d8b2 JF |
1789 | redrawwin(view->win); |
1790 | wrefresh(view->win); | |
9d3f5834 | 1791 | report(""); |
b801d8b2 JF |
1792 | } |
1793 | ||
b801d8b2 | 1794 | |
2e8488b4 | 1795 | /* |
4af34daa JF |
1796 | * Searching |
1797 | */ | |
1798 | ||
c02d8fce | 1799 | static void search_view(struct view *view, enum request request); |
4af34daa JF |
1800 | |
1801 | static bool | |
1802 | find_next_line(struct view *view, unsigned long lineno, struct line *line) | |
1803 | { | |
699ae55b JF |
1804 | assert(view_is_displayed(view)); |
1805 | ||
4af34daa JF |
1806 | if (!view->ops->grep(view, line)) |
1807 | return FALSE; | |
1808 | ||
1809 | if (lineno - view->offset >= view->height) { | |
1810 | view->offset = lineno; | |
1811 | view->lineno = lineno; | |
1812 | redraw_view(view); | |
1813 | ||
1814 | } else { | |
1815 | unsigned long old_lineno = view->lineno - view->offset; | |
1816 | ||
1817 | view->lineno = lineno; | |
4af34daa JF |
1818 | draw_view_line(view, old_lineno); |
1819 | ||
1820 | draw_view_line(view, view->lineno - view->offset); | |
1821 | redrawwin(view->win); | |
1822 | wrefresh(view->win); | |
1823 | } | |
1824 | ||
1825 | report("Line %ld matches '%s'", lineno + 1, view->grep); | |
1826 | return TRUE; | |
1827 | } | |
1828 | ||
1829 | static void | |
1830 | find_next(struct view *view, enum request request) | |
1831 | { | |
1832 | unsigned long lineno = view->lineno; | |
1833 | int direction; | |
1834 | ||
1835 | if (!*view->grep) { | |
1836 | if (!*opt_search) | |
1837 | report("No previous search"); | |
1838 | else | |
c02d8fce | 1839 | search_view(view, request); |
4af34daa JF |
1840 | return; |
1841 | } | |
1842 | ||
1843 | switch (request) { | |
1844 | case REQ_SEARCH: | |
1845 | case REQ_FIND_NEXT: | |
1846 | direction = 1; | |
1847 | break; | |
1848 | ||
1849 | case REQ_SEARCH_BACK: | |
1850 | case REQ_FIND_PREV: | |
1851 | direction = -1; | |
1852 | break; | |
1853 | ||
1854 | default: | |
1855 | return; | |
1856 | } | |
1857 | ||
1858 | if (request == REQ_FIND_NEXT || request == REQ_FIND_PREV) | |
1859 | lineno += direction; | |
1860 | ||
1861 | /* Note, lineno is unsigned long so will wrap around in which case it | |
1862 | * will become bigger than view->lines. */ | |
1863 | for (; lineno < view->lines; lineno += direction) { | |
1864 | struct line *line = &view->line[lineno]; | |
1865 | ||
1866 | if (find_next_line(view, lineno, line)) | |
1867 | return; | |
1868 | } | |
1869 | ||
1870 | report("No match found for '%s'", view->grep); | |
1871 | } | |
1872 | ||
1873 | static void | |
c02d8fce | 1874 | search_view(struct view *view, enum request request) |
4af34daa JF |
1875 | { |
1876 | int regex_err; | |
1877 | ||
b77b2cb8 JF |
1878 | if (view->regex) { |
1879 | regfree(view->regex); | |
4af34daa | 1880 | *view->grep = 0; |
b77b2cb8 JF |
1881 | } else { |
1882 | view->regex = calloc(1, sizeof(*view->regex)); | |
1883 | if (!view->regex) | |
1884 | return; | |
4af34daa JF |
1885 | } |
1886 | ||
c02d8fce | 1887 | regex_err = regcomp(view->regex, opt_search, REG_EXTENDED); |
4af34daa JF |
1888 | if (regex_err != 0) { |
1889 | char buf[SIZEOF_STR] = "unknown error"; | |
1890 | ||
b77b2cb8 | 1891 | regerror(regex_err, view->regex, buf, sizeof(buf)); |
e9cacd58 | 1892 | report("Search failed: %s", buf); |
4af34daa JF |
1893 | return; |
1894 | } | |
1895 | ||
c02d8fce | 1896 | string_copy(view->grep, opt_search); |
4af34daa JF |
1897 | |
1898 | find_next(view, request); | |
1899 | } | |
1900 | ||
1901 | /* | |
2e8488b4 JF |
1902 | * Incremental updating |
1903 | */ | |
b801d8b2 | 1904 | |
199d1288 JF |
1905 | static void |
1906 | end_update(struct view *view) | |
1907 | { | |
1908 | if (!view->pipe) | |
1909 | return; | |
1910 | set_nonblocking_input(FALSE); | |
1911 | if (view->pipe == stdin) | |
1912 | fclose(view->pipe); | |
1913 | else | |
1914 | pclose(view->pipe); | |
1915 | view->pipe = NULL; | |
1916 | } | |
1917 | ||
03a93dbb | 1918 | static bool |
b801d8b2 JF |
1919 | begin_update(struct view *view) |
1920 | { | |
199d1288 JF |
1921 | if (view->pipe) |
1922 | end_update(view); | |
1923 | ||
03a93dbb JF |
1924 | if (opt_cmd[0]) { |
1925 | string_copy(view->cmd, opt_cmd); | |
1926 | opt_cmd[0] = 0; | |
035ba11f JF |
1927 | /* When running random commands, initially show the |
1928 | * command in the title. However, it maybe later be | |
1929 | * overwritten if a commit line is selected. */ | |
809a9f48 JF |
1930 | if (view == VIEW(REQ_VIEW_PAGER)) |
1931 | string_copy(view->ref, view->cmd); | |
1932 | else | |
1933 | view->ref[0] = 0; | |
e733ee54 JF |
1934 | |
1935 | } else if (view == VIEW(REQ_VIEW_TREE)) { | |
1936 | const char *format = view->cmd_env ? view->cmd_env : view->cmd_fmt; | |
f0f114ac | 1937 | char path[SIZEOF_STR]; |
e733ee54 JF |
1938 | |
1939 | if (strcmp(view->vid, view->id)) | |
f0f114ac JF |
1940 | opt_path[0] = path[0] = 0; |
1941 | else if (sq_quote(path, 0, opt_path) >= sizeof(path)) | |
1942 | return FALSE; | |
e733ee54 | 1943 | |
739e81de | 1944 | if (!string_format(view->cmd, format, view->id, path)) |
e733ee54 JF |
1945 | return FALSE; |
1946 | ||
03a93dbb | 1947 | } else { |
4685845e | 1948 | const char *format = view->cmd_env ? view->cmd_env : view->cmd_fmt; |
739e81de | 1949 | const char *id = view->id; |
1ba2ae4b | 1950 | |
cc2d1364 | 1951 | if (!string_format(view->cmd, format, id, id, id, id, id)) |
03a93dbb | 1952 | return FALSE; |
035ba11f JF |
1953 | |
1954 | /* Put the current ref_* value to the view title ref | |
1955 | * member. This is needed by the blob view. Most other | |
1956 | * views sets it automatically after loading because the | |
1957 | * first line is a commit line. */ | |
739e81de | 1958 | string_copy_rev(view->ref, view->id); |
03a93dbb | 1959 | } |
b801d8b2 | 1960 | |
6908bdbd JF |
1961 | /* Special case for the pager view. */ |
1962 | if (opt_pipe) { | |
1963 | view->pipe = opt_pipe; | |
1964 | opt_pipe = NULL; | |
1965 | } else { | |
1966 | view->pipe = popen(view->cmd, "r"); | |
1967 | } | |
1968 | ||
2e8488b4 JF |
1969 | if (!view->pipe) |
1970 | return FALSE; | |
b801d8b2 | 1971 | |
6b161b31 | 1972 | set_nonblocking_input(TRUE); |
b801d8b2 JF |
1973 | |
1974 | view->offset = 0; | |
1975 | view->lines = 0; | |
1976 | view->lineno = 0; | |
739e81de | 1977 | string_copy_rev(view->vid, view->id); |
b801d8b2 | 1978 | |
2e8488b4 JF |
1979 | if (view->line) { |
1980 | int i; | |
1981 | ||
1982 | for (i = 0; i < view->lines; i++) | |
fe7233c3 JF |
1983 | if (view->line[i].data) |
1984 | free(view->line[i].data); | |
2e8488b4 JF |
1985 | |
1986 | free(view->line); | |
1987 | view->line = NULL; | |
1988 | } | |
1989 | ||
1990 | view->start_time = time(NULL); | |
1991 | ||
b801d8b2 JF |
1992 | return TRUE; |
1993 | } | |
1994 | ||
e2c01617 JF |
1995 | static struct line * |
1996 | realloc_lines(struct view *view, size_t line_size) | |
1997 | { | |
1998 | struct line *tmp = realloc(view->line, sizeof(*view->line) * line_size); | |
1999 | ||
2000 | if (!tmp) | |
2001 | return NULL; | |
2002 | ||
2003 | view->line = tmp; | |
2004 | view->line_size = line_size; | |
2005 | return view->line; | |
2006 | } | |
2007 | ||
03a93dbb | 2008 | static bool |
b801d8b2 JF |
2009 | update_view(struct view *view) |
2010 | { | |
6b68fd24 JF |
2011 | char in_buffer[BUFSIZ]; |
2012 | char out_buffer[BUFSIZ * 2]; | |
b801d8b2 | 2013 | char *line; |
82e78006 JF |
2014 | /* The number of lines to read. If too low it will cause too much |
2015 | * redrawing (and possible flickering), if too high responsiveness | |
2016 | * will suffer. */ | |
8855ada4 | 2017 | unsigned long lines = view->height; |
82e78006 | 2018 | int redraw_from = -1; |
b801d8b2 JF |
2019 | |
2020 | if (!view->pipe) | |
2021 | return TRUE; | |
2022 | ||
82e78006 JF |
2023 | /* Only redraw if lines are visible. */ |
2024 | if (view->offset + view->height >= view->lines) | |
2025 | redraw_from = view->lines - view->offset; | |
b801d8b2 | 2026 | |
699ae55b | 2027 | /* FIXME: This is probably not perfect for backgrounded views. */ |
e2c01617 | 2028 | if (!realloc_lines(view, view->lines + lines)) |
b801d8b2 JF |
2029 | goto alloc_error; |
2030 | ||
6b68fd24 JF |
2031 | while ((line = fgets(in_buffer, sizeof(in_buffer), view->pipe))) { |
2032 | size_t linelen = strlen(line); | |
b801d8b2 | 2033 | |
b801d8b2 JF |
2034 | if (linelen) |
2035 | line[linelen - 1] = 0; | |
2036 | ||
6b68fd24 | 2037 | if (opt_iconv != ICONV_NONE) { |
e47afdf2 | 2038 | ICONV_CONST char *inbuf = line; |
6b68fd24 JF |
2039 | size_t inlen = linelen; |
2040 | ||
2041 | char *outbuf = out_buffer; | |
2042 | size_t outlen = sizeof(out_buffer); | |
2043 | ||
2044 | size_t ret; | |
2045 | ||
7361622d | 2046 | ret = iconv(opt_iconv, &inbuf, &inlen, &outbuf, &outlen); |
6b68fd24 JF |
2047 | if (ret != (size_t) -1) { |
2048 | line = out_buffer; | |
2049 | linelen = strlen(out_buffer); | |
2050 | } | |
2051 | } | |
2052 | ||
701e4f5d | 2053 | if (!view->ops->read(view, line)) |
b801d8b2 | 2054 | goto alloc_error; |
fd85fef1 JF |
2055 | |
2056 | if (lines-- == 1) | |
2057 | break; | |
b801d8b2 JF |
2058 | } |
2059 | ||
8855ada4 JF |
2060 | { |
2061 | int digits; | |
2062 | ||
2063 | lines = view->lines; | |
2064 | for (digits = 0; lines; digits++) | |
2065 | lines /= 10; | |
2066 | ||
2067 | /* Keep the displayed view in sync with line number scaling. */ | |
2068 | if (digits != view->digits) { | |
2069 | view->digits = digits; | |
2070 | redraw_from = 0; | |
2071 | } | |
2072 | } | |
2073 | ||
699ae55b JF |
2074 | if (!view_is_displayed(view)) |
2075 | goto check_pipe; | |
2076 | ||
e733ee54 JF |
2077 | if (view == VIEW(REQ_VIEW_TREE)) { |
2078 | /* Clear the view and redraw everything since the tree sorting | |
2079 | * might have rearranged things. */ | |
2080 | redraw_view(view); | |
2081 | ||
2082 | } else if (redraw_from >= 0) { | |
82e78006 | 2083 | /* If this is an incremental update, redraw the previous line |
a28bcc22 JF |
2084 | * since for commits some members could have changed when |
2085 | * loading the main view. */ | |
82e78006 JF |
2086 | if (redraw_from > 0) |
2087 | redraw_from--; | |
2088 | ||
9eded379 JF |
2089 | /* Since revision graph visualization requires knowledge |
2090 | * about the parent commit, it causes a further one-off | |
2091 | * needed to be redrawn for incremental updates. */ | |
2092 | if (redraw_from > 0 && opt_rev_graph) | |
2093 | redraw_from--; | |
2094 | ||
82e78006 JF |
2095 | /* Incrementally draw avoids flickering. */ |
2096 | redraw_view_from(view, redraw_from); | |
4c6fabc2 | 2097 | } |
b801d8b2 | 2098 | |
eb98559e JF |
2099 | /* Update the title _after_ the redraw so that if the redraw picks up a |
2100 | * commit reference in view->ref it'll be available here. */ | |
2101 | update_view_title(view); | |
2102 | ||
699ae55b | 2103 | check_pipe: |
b801d8b2 | 2104 | if (ferror(view->pipe)) { |
03a93dbb | 2105 | report("Failed to read: %s", strerror(errno)); |
b801d8b2 JF |
2106 | goto end; |
2107 | ||
2108 | } else if (feof(view->pipe)) { | |
f97f4012 | 2109 | report(""); |
b801d8b2 JF |
2110 | goto end; |
2111 | } | |
2112 | ||
2113 | return TRUE; | |
2114 | ||
2115 | alloc_error: | |
2e8488b4 | 2116 | report("Allocation failure"); |
b801d8b2 JF |
2117 | |
2118 | end: | |
be04d936 | 2119 | view->ops->read(view, NULL); |
b801d8b2 JF |
2120 | end_update(view); |
2121 | return FALSE; | |
2122 | } | |
2123 | ||
0a0d8910 | 2124 | static struct line * |
e314c36d | 2125 | add_line_data(struct view *view, void *data, enum line_type type) |
0a0d8910 | 2126 | { |
e314c36d | 2127 | struct line *line = &view->line[view->lines++]; |
0a0d8910 | 2128 | |
e314c36d | 2129 | memset(line, 0, sizeof(*line)); |
0a0d8910 | 2130 | line->type = type; |
e314c36d | 2131 | line->data = data; |
0a0d8910 JF |
2132 | |
2133 | return line; | |
2134 | } | |
2135 | ||
e314c36d JF |
2136 | static struct line * |
2137 | add_line_text(struct view *view, char *data, enum line_type type) | |
2138 | { | |
2139 | if (data) | |
2140 | data = strdup(data); | |
2141 | ||
2142 | return data ? add_line_data(view, data, type) : NULL; | |
2143 | } | |
2144 | ||
79d445ca | 2145 | |
e10154d5 JF |
2146 | /* |
2147 | * View opening | |
2148 | */ | |
2149 | ||
49f2b43f JF |
2150 | enum open_flags { |
2151 | OPEN_DEFAULT = 0, /* Use default view switching. */ | |
2152 | OPEN_SPLIT = 1, /* Split current view. */ | |
2153 | OPEN_BACKGROUNDED = 2, /* Backgrounded. */ | |
2154 | OPEN_RELOAD = 4, /* Reload view even if it is the current. */ | |
2155 | }; | |
2156 | ||
6b161b31 | 2157 | static void |
49f2b43f | 2158 | open_view(struct view *prev, enum request request, enum open_flags flags) |
b801d8b2 | 2159 | { |
49f2b43f JF |
2160 | bool backgrounded = !!(flags & OPEN_BACKGROUNDED); |
2161 | bool split = !!(flags & OPEN_SPLIT); | |
2162 | bool reload = !!(flags & OPEN_RELOAD); | |
a28bcc22 | 2163 | struct view *view = VIEW(request); |
9f41488f | 2164 | int nviews = displayed_views(); |
6e950a52 | 2165 | struct view *base_view = display[0]; |
b801d8b2 | 2166 | |
49f2b43f | 2167 | if (view == prev && nviews == 1 && !reload) { |
6b161b31 JF |
2168 | report("Already in %s view", view->name); |
2169 | return; | |
2170 | } | |
b801d8b2 | 2171 | |
f098944b JF |
2172 | if (view->ops->open) { |
2173 | if (!view->ops->open(view)) { | |
2174 | report("Failed to load %s view", view->name); | |
2175 | return; | |
2176 | } | |
2509b112 JF |
2177 | |
2178 | } else if ((reload || strcmp(view->vid, view->id)) && | |
2179 | !begin_update(view)) { | |
6b161b31 JF |
2180 | report("Failed to load %s view", view->name); |
2181 | return; | |
2182 | } | |
a28bcc22 | 2183 | |
6b161b31 | 2184 | if (split) { |
8d741c06 | 2185 | display[1] = view; |
6b161b31 | 2186 | if (!backgrounded) |
8d741c06 | 2187 | current_view = 1; |
6b161b31 JF |
2188 | } else { |
2189 | /* Maximize the current view. */ | |
2190 | memset(display, 0, sizeof(display)); | |
2191 | current_view = 0; | |
2192 | display[current_view] = view; | |
a28bcc22 | 2193 | } |
b801d8b2 | 2194 | |
6e950a52 JF |
2195 | /* Resize the view when switching between split- and full-screen, |
2196 | * or when switching between two different full-screen views. */ | |
2197 | if (nviews != displayed_views() || | |
2198 | (nviews == 1 && base_view != display[0])) | |
a006db63 | 2199 | resize_display(); |
b801d8b2 | 2200 | |
a8891802 | 2201 | if (split && prev->lineno - prev->offset >= prev->height) { |
03a93dbb | 2202 | /* Take the title line into account. */ |
eb98559e | 2203 | int lines = prev->lineno - prev->offset - prev->height + 1; |
03a93dbb JF |
2204 | |
2205 | /* Scroll the view that was split if the current line is | |
2206 | * outside the new limited view. */ | |
8c317212 | 2207 | do_scroll_view(prev, lines); |
03a93dbb JF |
2208 | } |
2209 | ||
6b161b31 | 2210 | if (prev && view != prev) { |
9b995f0c | 2211 | if (split && !backgrounded) { |
f0b3ab80 JF |
2212 | /* "Blur" the previous view. */ |
2213 | update_view_title(prev); | |
9f396969 | 2214 | } |
f0b3ab80 | 2215 | |
f6da0b66 | 2216 | view->parent = prev; |
b801d8b2 JF |
2217 | } |
2218 | ||
9f396969 | 2219 | if (view->pipe && view->lines == 0) { |
03a93dbb JF |
2220 | /* Clear the old view and let the incremental updating refill |
2221 | * the screen. */ | |
2222 | wclear(view->win); | |
f97f4012 | 2223 | report(""); |
03a93dbb JF |
2224 | } else { |
2225 | redraw_view(view); | |
24b5b3e0 | 2226 | report(""); |
03a93dbb | 2227 | } |
6706b2ba JF |
2228 | |
2229 | /* If the view is backgrounded the above calls to report() | |
2230 | * won't redraw the view title. */ | |
2231 | if (backgrounded) | |
2232 | update_view_title(view); | |
b801d8b2 JF |
2233 | } |
2234 | ||
0cea0d43 | 2235 | static void |
d24ef76c JF |
2236 | open_external_viewer(const char *cmd) |
2237 | { | |
2238 | def_prog_mode(); /* save current tty modes */ | |
2239 | endwin(); /* restore original tty modes */ | |
2240 | system(cmd); | |
2241 | fprintf(stderr, "Press Enter to continue"); | |
2242 | getc(stdin); | |
2243 | reset_prog_mode(); | |
2244 | redraw_display(); | |
2245 | } | |
2246 | ||
2247 | static void | |
b5c18d9d JF |
2248 | open_mergetool(const char *file) |
2249 | { | |
2250 | char cmd[SIZEOF_STR]; | |
2251 | char file_sq[SIZEOF_STR]; | |
2252 | ||
2253 | if (sq_quote(file_sq, 0, file) < sizeof(file_sq) && | |
2254 | string_format(cmd, "git mergetool %s", file_sq)) { | |
2255 | open_external_viewer(cmd); | |
2256 | } | |
2257 | } | |
2258 | ||
2259 | static void | |
d24ef76c | 2260 | open_editor(bool from_root, const char *file) |
0cea0d43 JF |
2261 | { |
2262 | char cmd[SIZEOF_STR]; | |
2263 | char file_sq[SIZEOF_STR]; | |
2264 | char *editor; | |
7d31b059 | 2265 | char *prefix = from_root ? opt_cdup : ""; |
0cea0d43 JF |
2266 | |
2267 | editor = getenv("GIT_EDITOR"); | |
2268 | if (!editor && *opt_editor) | |
2269 | editor = opt_editor; | |
2270 | if (!editor) | |
2271 | editor = getenv("VISUAL"); | |
2272 | if (!editor) | |
2273 | editor = getenv("EDITOR"); | |
2274 | if (!editor) | |
2275 | editor = "vi"; | |
2276 | ||
2277 | if (sq_quote(file_sq, 0, file) < sizeof(file_sq) && | |
7d31b059 | 2278 | string_format(cmd, "%s %s%s", editor, prefix, file_sq)) { |
d24ef76c | 2279 | open_external_viewer(cmd); |
0cea0d43 JF |
2280 | } |
2281 | } | |
b801d8b2 | 2282 | |
9eb14b72 JF |
2283 | static void |
2284 | open_run_request(enum request request) | |
2285 | { | |
2286 | struct run_request *req = get_run_request(request); | |
2287 | char buf[SIZEOF_STR * 2]; | |
2288 | size_t bufpos; | |
2289 | char *cmd; | |
2290 | ||
2291 | if (!req) { | |
2292 | report("Unknown run request"); | |
2293 | return; | |
2294 | } | |
2295 | ||
2296 | bufpos = 0; | |
2297 | cmd = req->cmd; | |
2298 | ||
2299 | while (cmd) { | |
2300 | char *next = strstr(cmd, "%("); | |
2301 | int len = next - cmd; | |
2302 | char *value; | |
2303 | ||
2304 | if (!next) { | |
2305 | len = strlen(cmd); | |
2306 | value = ""; | |
2307 | ||
2308 | } else if (!strncmp(next, "%(head)", 7)) { | |
2309 | value = ref_head; | |
2310 | ||
2311 | } else if (!strncmp(next, "%(commit)", 9)) { | |
2312 | value = ref_commit; | |
2313 | ||
2314 | } else if (!strncmp(next, "%(blob)", 7)) { | |
2315 | value = ref_blob; | |
2316 | ||
2317 | } else { | |
2318 | report("Unknown replacement in run request: `%s`", req->cmd); | |
2319 | return; | |
2320 | } | |
2321 | ||
2322 | if (!string_format_from(buf, &bufpos, "%.*s%s", len, cmd, value)) | |
2323 | return; | |
2324 | ||
2325 | if (next) | |
2326 | next = strchr(next, ')') + 1; | |
2327 | cmd = next; | |
2328 | } | |
2329 | ||
2330 | open_external_viewer(buf); | |
2331 | } | |
2332 | ||
6b161b31 JF |
2333 | /* |
2334 | * User request switch noodle | |
2335 | */ | |
2336 | ||
b801d8b2 | 2337 | static int |
6b161b31 | 2338 | view_driver(struct view *view, enum request request) |
b801d8b2 | 2339 | { |
b801d8b2 JF |
2340 | int i; |
2341 | ||
1bace428 JF |
2342 | if (request == REQ_NONE) { |
2343 | doupdate(); | |
2344 | return TRUE; | |
2345 | } | |
2346 | ||
9eb14b72 JF |
2347 | if (request > REQ_NONE) { |
2348 | open_run_request(request); | |
2349 | return TRUE; | |
2350 | } | |
2351 | ||
586c423d JF |
2352 | if (view && view->lines) { |
2353 | request = view->ops->request(view, request, &view->line[view->lineno]); | |
2354 | if (request == REQ_NONE) | |
2355 | return TRUE; | |
2356 | } | |
2357 | ||
b801d8b2 | 2358 | switch (request) { |
4a2909a7 JF |
2359 | case REQ_MOVE_UP: |
2360 | case REQ_MOVE_DOWN: | |
2361 | case REQ_MOVE_PAGE_UP: | |
2362 | case REQ_MOVE_PAGE_DOWN: | |
2363 | case REQ_MOVE_FIRST_LINE: | |
2364 | case REQ_MOVE_LAST_LINE: | |
8522ecc7 | 2365 | move_view(view, request); |
fd85fef1 JF |
2366 | break; |
2367 | ||
4a2909a7 JF |
2368 | case REQ_SCROLL_LINE_DOWN: |
2369 | case REQ_SCROLL_LINE_UP: | |
2370 | case REQ_SCROLL_PAGE_DOWN: | |
2371 | case REQ_SCROLL_PAGE_UP: | |
a28bcc22 | 2372 | scroll_view(view, request); |
b801d8b2 JF |
2373 | break; |
2374 | ||
e733ee54 JF |
2375 | case REQ_VIEW_BLOB: |
2376 | if (!ref_blob[0]) { | |
550cd4b5 JF |
2377 | report("No file chosen, press %s to open tree view", |
2378 | get_key(REQ_VIEW_TREE)); | |
e733ee54 JF |
2379 | break; |
2380 | } | |
5c4358d1 JF |
2381 | open_view(view, request, OPEN_DEFAULT); |
2382 | break; | |
2383 | ||
2384 | case REQ_VIEW_PAGER: | |
b64c5b75 | 2385 | if (!opt_pipe && !VIEW(REQ_VIEW_PAGER)->lines) { |
5c4358d1 JF |
2386 | report("No pager content, press %s to run command from prompt", |
2387 | get_key(REQ_PROMPT)); | |
2388 | break; | |
2389 | } | |
2390 | open_view(view, request, OPEN_DEFAULT); | |
2391 | break; | |
2392 | ||
3e634113 JF |
2393 | case REQ_VIEW_STAGE: |
2394 | if (!VIEW(REQ_VIEW_STAGE)->lines) { | |
2395 | report("No stage content, press %s to open the status view and choose file", | |
2396 | get_key(REQ_VIEW_STATUS)); | |
2397 | break; | |
2398 | } | |
2399 | open_view(view, request, OPEN_DEFAULT); | |
2400 | break; | |
2401 | ||
c38c64bb JF |
2402 | case REQ_VIEW_STATUS: |
2403 | if (opt_is_inside_work_tree == FALSE) { | |
2404 | report("The status view requires a working tree"); | |
2405 | break; | |
2406 | } | |
2407 | open_view(view, request, OPEN_DEFAULT); | |
2408 | break; | |
2409 | ||
4a2909a7 | 2410 | case REQ_VIEW_MAIN: |
4a2909a7 | 2411 | case REQ_VIEW_DIFF: |
2e8488b4 | 2412 | case REQ_VIEW_LOG: |
e733ee54 | 2413 | case REQ_VIEW_TREE: |
2e8488b4 | 2414 | case REQ_VIEW_HELP: |
49f2b43f | 2415 | open_view(view, request, OPEN_DEFAULT); |
b801d8b2 JF |
2416 | break; |
2417 | ||
b3a54cba JF |
2418 | case REQ_NEXT: |
2419 | case REQ_PREVIOUS: | |
2420 | request = request == REQ_NEXT ? REQ_MOVE_DOWN : REQ_MOVE_UP; | |
2421 | ||
e733ee54 JF |
2422 | if ((view == VIEW(REQ_VIEW_DIFF) && |
2423 | view->parent == VIEW(REQ_VIEW_MAIN)) || | |
3e634113 | 2424 | (view == VIEW(REQ_VIEW_STAGE) && |
b9b5b4cd | 2425 | view->parent == VIEW(REQ_VIEW_STATUS)) || |
e733ee54 JF |
2426 | (view == VIEW(REQ_VIEW_BLOB) && |
2427 | view->parent == VIEW(REQ_VIEW_TREE))) { | |
03400136 WF |
2428 | int line; |
2429 | ||
b3a54cba | 2430 | view = view->parent; |
03400136 | 2431 | line = view->lineno; |
8522ecc7 JF |
2432 | move_view(view, request); |
2433 | if (view_is_displayed(view)) | |
f0b3ab80 | 2434 | update_view_title(view); |
328d27f7 JF |
2435 | if (line != view->lineno) |
2436 | view->ops->request(view, REQ_ENTER, | |
2437 | &view->line[view->lineno]); | |
2438 | ||
b3a54cba | 2439 | } else { |
8522ecc7 | 2440 | move_view(view, request); |
b3a54cba | 2441 | } |
328d27f7 | 2442 | break; |
6b161b31 | 2443 | |
03a93dbb JF |
2444 | case REQ_VIEW_NEXT: |
2445 | { | |
9f41488f | 2446 | int nviews = displayed_views(); |
03a93dbb JF |
2447 | int next_view = (current_view + 1) % nviews; |
2448 | ||
2449 | if (next_view == current_view) { | |
2450 | report("Only one view is displayed"); | |
2451 | break; | |
2452 | } | |
2453 | ||
2454 | current_view = next_view; | |
2455 | /* Blur out the title of the previous view. */ | |
2456 | update_view_title(view); | |
6734f6b9 | 2457 | report(""); |
03a93dbb JF |
2458 | break; |
2459 | } | |
acaef3b3 JF |
2460 | case REQ_REFRESH: |
2461 | report("Refreshing is not yet supported for the %s view", view->name); | |
2462 | break; | |
2463 | ||
24b5b3e0 | 2464 | case REQ_TOGGLE_LINENO: |
b76c2afc | 2465 | opt_line_number = !opt_line_number; |
20bb5e18 | 2466 | redraw_display(); |
b801d8b2 JF |
2467 | break; |
2468 | ||
54efb62b JF |
2469 | case REQ_TOGGLE_REV_GRAPH: |
2470 | opt_rev_graph = !opt_rev_graph; | |
2471 | redraw_display(); | |
2472 | break; | |
2473 | ||
03a93dbb | 2474 | case REQ_PROMPT: |
8855ada4 | 2475 | /* Always reload^Wrerun commands from the prompt. */ |
49f2b43f | 2476 | open_view(view, opt_request, OPEN_RELOAD); |
03a93dbb JF |
2477 | break; |
2478 | ||
4af34daa JF |
2479 | case REQ_SEARCH: |
2480 | case REQ_SEARCH_BACK: | |
c02d8fce | 2481 | search_view(view, request); |
4af34daa JF |
2482 | break; |
2483 | ||
2484 | case REQ_FIND_NEXT: | |
2485 | case REQ_FIND_PREV: | |
2486 | find_next(view, request); | |
2487 | break; | |
2488 | ||
4a2909a7 | 2489 | case REQ_STOP_LOADING: |
59a45d3a JF |
2490 | for (i = 0; i < ARRAY_SIZE(views); i++) { |
2491 | view = &views[i]; | |
2e8488b4 | 2492 | if (view->pipe) |
6a7bb912 | 2493 | report("Stopped loading the %s view", view->name), |
03a93dbb JF |
2494 | end_update(view); |
2495 | } | |
b801d8b2 JF |
2496 | break; |
2497 | ||
4a2909a7 | 2498 | case REQ_SHOW_VERSION: |
ec31d0d0 | 2499 | report("tig-%s (built %s)", TIG_VERSION, __DATE__); |
b801d8b2 JF |
2500 | return TRUE; |
2501 | ||
fac7db6c JF |
2502 | case REQ_SCREEN_RESIZE: |
2503 | resize_display(); | |
2504 | /* Fall-through */ | |
4a2909a7 | 2505 | case REQ_SCREEN_REDRAW: |
20bb5e18 | 2506 | redraw_display(); |
4a2909a7 JF |
2507 | break; |
2508 | ||
0cea0d43 JF |
2509 | case REQ_EDIT: |
2510 | report("Nothing to edit"); | |
531c6c69 JF |
2511 | break; |
2512 | ||
226da94b | 2513 | |
531c6c69 JF |
2514 | case REQ_ENTER: |
2515 | report("Nothing to enter"); | |
2516 | break; | |
ca1d71ea | 2517 | |
b801d8b2 | 2518 | |
4f9b667a | 2519 | case REQ_VIEW_CLOSE: |
2fcf5401 JF |
2520 | /* XXX: Mark closed views by letting view->parent point to the |
2521 | * view itself. Parents to closed view should never be | |
2522 | * followed. */ | |
2523 | if (view->parent && | |
2524 | view->parent->parent != view->parent) { | |
4f9b667a JF |
2525 | memset(display, 0, sizeof(display)); |
2526 | current_view = 0; | |
f6da0b66 | 2527 | display[current_view] = view->parent; |
2fcf5401 | 2528 | view->parent = view; |
4f9b667a JF |
2529 | resize_display(); |
2530 | redraw_display(); | |
2531 | break; | |
2532 | } | |
2533 | /* Fall-through */ | |
b801d8b2 JF |
2534 | case REQ_QUIT: |
2535 | return FALSE; | |
2536 | ||
2537 | default: | |
2e8488b4 | 2538 | /* An unknown key will show most commonly used commands. */ |
468876c9 | 2539 | report("Unknown key, press 'h' for help"); |
b801d8b2 JF |
2540 | return TRUE; |
2541 | } | |
2542 | ||
2543 | return TRUE; | |
2544 | } | |
2545 | ||
2546 | ||
2547 | /* | |
ff26aa29 | 2548 | * Pager backend |
b801d8b2 JF |
2549 | */ |
2550 | ||
6b161b31 | 2551 | static bool |
5dcf8064 | 2552 | pager_draw(struct view *view, struct line *line, unsigned int lineno, bool selected) |
b801d8b2 | 2553 | { |
fe7233c3 JF |
2554 | char *text = line->data; |
2555 | enum line_type type = line->type; | |
2556 | int textlen = strlen(text); | |
78c70acd | 2557 | int attr; |
b801d8b2 | 2558 | |
6706b2ba JF |
2559 | wmove(view->win, lineno, 0); |
2560 | ||
5dcf8064 | 2561 | if (selected) { |
78c70acd | 2562 | type = LINE_CURSOR; |
6706b2ba | 2563 | wchgat(view->win, -1, 0, type, NULL); |
fd85fef1 JF |
2564 | } |
2565 | ||
78c70acd | 2566 | attr = get_line_attr(type); |
b801d8b2 | 2567 | wattrset(view->win, attr); |
b76c2afc | 2568 | |
6706b2ba JF |
2569 | if (opt_line_number || opt_tab_size < TABSIZE) { |
2570 | static char spaces[] = " "; | |
2571 | int col_offset = 0, col = 0; | |
2572 | ||
2573 | if (opt_line_number) { | |
2574 | unsigned long real_lineno = view->offset + lineno + 1; | |
82e78006 | 2575 | |
6706b2ba JF |
2576 | if (real_lineno == 1 || |
2577 | (real_lineno % opt_num_interval) == 0) { | |
2578 | wprintw(view->win, "%.*d", view->digits, real_lineno); | |
8855ada4 | 2579 | |
6706b2ba JF |
2580 | } else { |
2581 | waddnstr(view->win, spaces, | |
2582 | MIN(view->digits, STRING_SIZE(spaces))); | |
2583 | } | |
2584 | waddstr(view->win, ": "); | |
2585 | col_offset = view->digits + 2; | |
2586 | } | |
8855ada4 | 2587 | |
fe7233c3 | 2588 | while (text && col_offset + col < view->width) { |
6706b2ba | 2589 | int cols_max = view->width - col_offset - col; |
fe7233c3 | 2590 | char *pos = text; |
6706b2ba | 2591 | int cols; |
4c6fabc2 | 2592 | |
fe7233c3 JF |
2593 | if (*text == '\t') { |
2594 | text++; | |
6706b2ba | 2595 | assert(sizeof(spaces) > TABSIZE); |
fe7233c3 | 2596 | pos = spaces; |
6706b2ba | 2597 | cols = opt_tab_size - (col % opt_tab_size); |
82e78006 | 2598 | |
b76c2afc | 2599 | } else { |
fe7233c3 JF |
2600 | text = strchr(text, '\t'); |
2601 | cols = line ? text - pos : strlen(pos); | |
b76c2afc | 2602 | } |
6706b2ba | 2603 | |
fe7233c3 | 2604 | waddnstr(view->win, pos, MIN(cols, cols_max)); |
6706b2ba | 2605 | col += cols; |
b76c2afc | 2606 | } |
b76c2afc JF |
2607 | |
2608 | } else { | |
6706b2ba | 2609 | int col = 0, pos = 0; |
b801d8b2 | 2610 | |
fe7233c3 JF |
2611 | for (; pos < textlen && col < view->width; pos++, col++) |
2612 | if (text[pos] == '\t') | |
6706b2ba JF |
2613 | col += TABSIZE - (col % TABSIZE) - 1; |
2614 | ||
fe7233c3 | 2615 | waddnstr(view->win, text, pos); |
6706b2ba | 2616 | } |
2e8488b4 | 2617 | |
b801d8b2 JF |
2618 | return TRUE; |
2619 | } | |
2620 | ||
dc23c0e3 | 2621 | static bool |
d65ced0d | 2622 | add_describe_ref(char *buf, size_t *bufpos, char *commit_id, const char *sep) |
dc23c0e3 | 2623 | { |
17482b11 | 2624 | char refbuf[SIZEOF_STR]; |
dc23c0e3 JF |
2625 | char *ref = NULL; |
2626 | FILE *pipe; | |
2627 | ||
d3c345f7 | 2628 | if (!string_format(refbuf, "git describe %s 2>/dev/null", commit_id)) |
dc23c0e3 JF |
2629 | return TRUE; |
2630 | ||
2631 | pipe = popen(refbuf, "r"); | |
2632 | if (!pipe) | |
2633 | return TRUE; | |
2634 | ||
2635 | if ((ref = fgets(refbuf, sizeof(refbuf), pipe))) | |
2636 | ref = chomp_string(ref); | |
2637 | pclose(pipe); | |
2638 | ||
2639 | if (!ref || !*ref) | |
2640 | return TRUE; | |
2641 | ||
2642 | /* This is the only fatal call, since it can "corrupt" the buffer. */ | |
17482b11 | 2643 | if (!string_nformat(buf, SIZEOF_STR, bufpos, "%s%s", sep, ref)) |
dc23c0e3 JF |
2644 | return FALSE; |
2645 | ||
2646 | return TRUE; | |
2647 | } | |
2648 | ||
7b99a34c JF |
2649 | static void |
2650 | add_pager_refs(struct view *view, struct line *line) | |
2651 | { | |
17482b11 | 2652 | char buf[SIZEOF_STR]; |
c9ca1ec3 | 2653 | char *commit_id = line->data + STRING_SIZE("commit "); |
7b99a34c | 2654 | struct ref **refs; |
d65ced0d | 2655 | size_t bufpos = 0, refpos = 0; |
7b99a34c | 2656 | const char *sep = "Refs: "; |
dc23c0e3 | 2657 | bool is_tag = FALSE; |
7b99a34c JF |
2658 | |
2659 | assert(line->type == LINE_COMMIT); | |
2660 | ||
c9ca1ec3 | 2661 | refs = get_refs(commit_id); |
dc23c0e3 JF |
2662 | if (!refs) { |
2663 | if (view == VIEW(REQ_VIEW_DIFF)) | |
2664 | goto try_add_describe_ref; | |
7b99a34c | 2665 | return; |
dc23c0e3 | 2666 | } |
7b99a34c JF |
2667 | |
2668 | do { | |
cc2d1364 | 2669 | struct ref *ref = refs[refpos]; |
e15ec88e JF |
2670 | char *fmt = ref->tag ? "%s[%s]" : |
2671 | ref->remote ? "%s<%s>" : "%s%s"; | |
7b99a34c | 2672 | |
cc2d1364 JF |
2673 | if (!string_format_from(buf, &bufpos, fmt, sep, ref->name)) |
2674 | return; | |
7b99a34c | 2675 | sep = ", "; |
dc23c0e3 JF |
2676 | if (ref->tag) |
2677 | is_tag = TRUE; | |
7b99a34c JF |
2678 | } while (refs[refpos++]->next); |
2679 | ||
dc23c0e3 JF |
2680 | if (!is_tag && view == VIEW(REQ_VIEW_DIFF)) { |
2681 | try_add_describe_ref: | |
d42c8a35 | 2682 | /* Add <tag>-g<commit_id> "fake" reference. */ |
dc23c0e3 JF |
2683 | if (!add_describe_ref(buf, &bufpos, commit_id, sep)) |
2684 | return; | |
2685 | } | |
2686 | ||
d42c8a35 JF |
2687 | if (bufpos == 0) |
2688 | return; | |
2689 | ||
cc2d1364 | 2690 | if (!realloc_lines(view, view->line_size + 1)) |
7b99a34c JF |
2691 | return; |
2692 | ||
0a0d8910 | 2693 | add_line_text(view, buf, LINE_PP_REFS); |
7b99a34c JF |
2694 | } |
2695 | ||
6b161b31 | 2696 | static bool |
701e4f5d | 2697 | pager_read(struct view *view, char *data) |
22f66b0a | 2698 | { |
0a0d8910 | 2699 | struct line *line; |
22f66b0a | 2700 | |
be04d936 JF |
2701 | if (!data) |
2702 | return TRUE; | |
2703 | ||
0a0d8910 JF |
2704 | line = add_line_text(view, data, get_line_type(data)); |
2705 | if (!line) | |
7b99a34c | 2706 | return FALSE; |
fe7233c3 | 2707 | |
7b99a34c JF |
2708 | if (line->type == LINE_COMMIT && |
2709 | (view == VIEW(REQ_VIEW_DIFF) || | |
2710 | view == VIEW(REQ_VIEW_LOG))) | |
2711 | add_pager_refs(view, line); | |
2712 | ||
22f66b0a JF |
2713 | return TRUE; |
2714 | } | |
2715 | ||
586c423d JF |
2716 | static enum request |
2717 | pager_request(struct view *view, enum request request, struct line *line) | |
6b161b31 | 2718 | { |
91e8e277 | 2719 | int split = 0; |
6b161b31 | 2720 | |
586c423d JF |
2721 | if (request != REQ_ENTER) |
2722 | return request; | |
2723 | ||
9fbbd28f JF |
2724 | if (line->type == LINE_COMMIT && |
2725 | (view == VIEW(REQ_VIEW_LOG) || | |
2726 | view == VIEW(REQ_VIEW_PAGER))) { | |
91e8e277 JF |
2727 | open_view(view, REQ_VIEW_DIFF, OPEN_SPLIT); |
2728 | split = 1; | |
67e48ac5 JF |
2729 | } |
2730 | ||
91e8e277 JF |
2731 | /* Always scroll the view even if it was split. That way |
2732 | * you can use Enter to scroll through the log view and | |
2733 | * split open each commit diff. */ | |
2734 | scroll_view(view, REQ_SCROLL_LINE_DOWN); | |
2735 | ||
2736 | /* FIXME: A minor workaround. Scrolling the view will call report("") | |
9d82d824 JF |
2737 | * but if we are scrolling a non-current view this won't properly |
2738 | * update the view title. */ | |
91e8e277 JF |
2739 | if (split) |
2740 | update_view_title(view); | |
6b161b31 | 2741 | |
586c423d | 2742 | return REQ_NONE; |
6b161b31 JF |
2743 | } |
2744 | ||
4af34daa JF |
2745 | static bool |
2746 | pager_grep(struct view *view, struct line *line) | |
2747 | { | |
2748 | regmatch_t pmatch; | |
2749 | char *text = line->data; | |
2750 | ||
2751 | if (!*text) | |
2752 | return FALSE; | |
2753 | ||
b77b2cb8 | 2754 | if (regexec(view->regex, text, 1, &pmatch, 0) == REG_NOMATCH) |
4af34daa JF |
2755 | return FALSE; |
2756 | ||
2757 | return TRUE; | |
2758 | } | |
2759 | ||
d720de4b JF |
2760 | static void |
2761 | pager_select(struct view *view, struct line *line) | |
2762 | { | |
2763 | if (line->type == LINE_COMMIT) { | |
035ba11f | 2764 | char *text = line->data + STRING_SIZE("commit "); |
d720de4b | 2765 | |
035ba11f | 2766 | if (view != VIEW(REQ_VIEW_PAGER)) |
2463b4ea JF |
2767 | string_copy_rev(view->ref, text); |
2768 | string_copy_rev(ref_commit, text); | |
d720de4b JF |
2769 | } |
2770 | } | |
2771 | ||
6b161b31 | 2772 | static struct view_ops pager_ops = { |
6734f6b9 | 2773 | "line", |
f098944b | 2774 | NULL, |
6b161b31 | 2775 | pager_read, |
f098944b | 2776 | pager_draw, |
586c423d | 2777 | pager_request, |
f098944b JF |
2778 | pager_grep, |
2779 | pager_select, | |
2780 | }; | |
2781 | ||
2782 | ||
2783 | /* | |
2784 | * Help backend | |
2785 | */ | |
2786 | ||
2787 | static bool | |
2788 | help_open(struct view *view) | |
2789 | { | |
2790 | char buf[BUFSIZ]; | |
2791 | int lines = ARRAY_SIZE(req_info) + 2; | |
2792 | int i; | |
2793 | ||
2794 | if (view->lines > 0) | |
2795 | return TRUE; | |
2796 | ||
2797 | for (i = 0; i < ARRAY_SIZE(req_info); i++) | |
2798 | if (!req_info[i].request) | |
2799 | lines++; | |
2800 | ||
9eb14b72 JF |
2801 | lines += run_requests + 1; |
2802 | ||
f098944b JF |
2803 | view->line = calloc(lines, sizeof(*view->line)); |
2804 | if (!view->line) | |
2805 | return FALSE; | |
2806 | ||
2807 | add_line_text(view, "Quick reference for tig keybindings:", LINE_DEFAULT); | |
2808 | ||
2809 | for (i = 0; i < ARRAY_SIZE(req_info); i++) { | |
2810 | char *key; | |
2811 | ||
0e4360b6 JF |
2812 | if (req_info[i].request == REQ_NONE) |
2813 | continue; | |
2814 | ||
f098944b JF |
2815 | if (!req_info[i].request) { |
2816 | add_line_text(view, "", LINE_DEFAULT); | |
2817 | add_line_text(view, req_info[i].help, LINE_DEFAULT); | |
2818 | continue; | |
2819 | } | |
2820 | ||
2821 | key = get_key(req_info[i].request); | |
0e4360b6 JF |
2822 | if (!*key) |
2823 | key = "(no key defined)"; | |
2824 | ||
f098944b JF |
2825 | if (!string_format(buf, " %-25s %s", key, req_info[i].help)) |
2826 | continue; | |
2827 | ||
2828 | add_line_text(view, buf, LINE_DEFAULT); | |
2829 | } | |
2830 | ||
9eb14b72 JF |
2831 | if (run_requests) { |
2832 | add_line_text(view, "", LINE_DEFAULT); | |
2833 | add_line_text(view, "External commands:", LINE_DEFAULT); | |
2834 | } | |
2835 | ||
2836 | for (i = 0; i < run_requests; i++) { | |
2837 | struct run_request *req = get_run_request(REQ_NONE + i + 1); | |
2838 | char *key; | |
2839 | ||
2840 | if (!req) | |
2841 | continue; | |
2842 | ||
2843 | key = get_key_name(req->key); | |
2844 | if (!*key) | |
2845 | key = "(no key defined)"; | |
2846 | ||
2847 | if (!string_format(buf, " %-10s %-14s `%s`", | |
2848 | keymap_table[req->keymap].name, | |
2849 | key, req->cmd)) | |
2850 | continue; | |
2851 | ||
2852 | add_line_text(view, buf, LINE_DEFAULT); | |
2853 | } | |
2854 | ||
f098944b JF |
2855 | return TRUE; |
2856 | } | |
2857 | ||
2858 | static struct view_ops help_ops = { | |
2859 | "line", | |
2860 | help_open, | |
2861 | NULL, | |
2862 | pager_draw, | |
586c423d | 2863 | pager_request, |
4af34daa | 2864 | pager_grep, |
d720de4b | 2865 | pager_select, |
6b161b31 JF |
2866 | }; |
2867 | ||
80ce96ea | 2868 | |
ff26aa29 | 2869 | /* |
e733ee54 JF |
2870 | * Tree backend |
2871 | */ | |
2872 | ||
69efc854 JF |
2873 | struct tree_stack_entry { |
2874 | struct tree_stack_entry *prev; /* Entry below this in the stack */ | |
2875 | unsigned long lineno; /* Line number to restore */ | |
2876 | char *name; /* Position of name in opt_path */ | |
2877 | }; | |
2878 | ||
2879 | /* The top of the path stack. */ | |
2880 | static struct tree_stack_entry *tree_stack = NULL; | |
2881 | unsigned long tree_lineno = 0; | |
2882 | ||
2883 | static void | |
2884 | pop_tree_stack_entry(void) | |
2885 | { | |
2886 | struct tree_stack_entry *entry = tree_stack; | |
2887 | ||
2888 | tree_lineno = entry->lineno; | |
2889 | entry->name[0] = 0; | |
2890 | tree_stack = entry->prev; | |
2891 | free(entry); | |
2892 | } | |
2893 | ||
2894 | static void | |
2895 | push_tree_stack_entry(char *name, unsigned long lineno) | |
2896 | { | |
2897 | struct tree_stack_entry *entry = calloc(1, sizeof(*entry)); | |
2898 | size_t pathlen = strlen(opt_path); | |
2899 | ||
2900 | if (!entry) | |
2901 | return; | |
2902 | ||
2903 | entry->prev = tree_stack; | |
2904 | entry->name = opt_path + pathlen; | |
2905 | tree_stack = entry; | |
2906 | ||
2907 | if (!string_format_from(opt_path, &pathlen, "%s/", name)) { | |
2908 | pop_tree_stack_entry(); | |
2909 | return; | |
2910 | } | |
2911 | ||
2912 | /* Move the current line to the first tree entry. */ | |
2913 | tree_lineno = 1; | |
2914 | entry->lineno = lineno; | |
2915 | } | |
2916 | ||
4795d620 | 2917 | /* Parse output from git-ls-tree(1): |
e733ee54 JF |
2918 | * |
2919 | * 100644 blob fb0e31ea6cc679b7379631188190e975f5789c26 Makefile | |
2920 | * 100644 blob 5304ca4260aaddaee6498f9630e7d471b8591ea6 README | |
2921 | * 100644 blob f931e1d229c3e185caad4449bf5b66ed72462657 tig.c | |
2922 | * 100644 blob ed09fe897f3c7c9af90bcf80cae92558ea88ae38 web.conf | |
2923 | */ | |
2924 | ||
2925 | #define SIZEOF_TREE_ATTR \ | |
2926 | STRING_SIZE("100644 blob ed09fe897f3c7c9af90bcf80cae92558ea88ae38\t") | |
2927 | ||
2928 | #define TREE_UP_FORMAT "040000 tree %s\t.." | |
2929 | ||
2930 | static int | |
2931 | tree_compare_entry(enum line_type type1, char *name1, | |
2932 | enum line_type type2, char *name2) | |
2933 | { | |
2934 | if (type1 != type2) { | |
2935 | if (type1 == LINE_TREE_DIR) | |
2936 | return -1; | |
2937 | return 1; | |
2938 | } | |
2939 | ||
2940 | return strcmp(name1, name2); | |
2941 | } | |
2942 | ||
2943 | static bool | |
2944 | tree_read(struct view *view, char *text) | |
2945 | { | |
be04d936 | 2946 | size_t textlen = text ? strlen(text) : 0; |
e733ee54 JF |
2947 | char buf[SIZEOF_STR]; |
2948 | unsigned long pos; | |
2949 | enum line_type type; | |
f88a5319 | 2950 | bool first_read = view->lines == 0; |
e733ee54 JF |
2951 | |
2952 | if (textlen <= SIZEOF_TREE_ATTR) | |
2953 | return FALSE; | |
2954 | ||
2955 | type = text[STRING_SIZE("100644 ")] == 't' | |
2956 | ? LINE_TREE_DIR : LINE_TREE_FILE; | |
2957 | ||
f88a5319 | 2958 | if (first_read) { |
e733ee54 | 2959 | /* Add path info line */ |
0a0d8910 JF |
2960 | if (!string_format(buf, "Directory path /%s", opt_path) || |
2961 | !realloc_lines(view, view->line_size + 1) || | |
2962 | !add_line_text(view, buf, LINE_DEFAULT)) | |
e733ee54 JF |
2963 | return FALSE; |
2964 | ||
2965 | /* Insert "link" to parent directory. */ | |
0a0d8910 JF |
2966 | if (*opt_path) { |
2967 | if (!string_format(buf, TREE_UP_FORMAT, view->ref) || | |
2968 | !realloc_lines(view, view->line_size + 1) || | |
2969 | !add_line_text(view, buf, LINE_TREE_DIR)) | |
2970 | return FALSE; | |
2971 | } | |
e733ee54 JF |
2972 | } |
2973 | ||
2974 | /* Strip the path part ... */ | |
2975 | if (*opt_path) { | |
2976 | size_t pathlen = textlen - SIZEOF_TREE_ATTR; | |
2977 | size_t striplen = strlen(opt_path); | |
2978 | char *path = text + SIZEOF_TREE_ATTR; | |
2979 | ||
2980 | if (pathlen > striplen) | |
2981 | memmove(path, path + striplen, | |
2982 | pathlen - striplen + 1); | |
2983 | } | |
2984 | ||
2985 | /* Skip "Directory ..." and ".." line. */ | |
2986 | for (pos = 1 + !!*opt_path; pos < view->lines; pos++) { | |
2987 | struct line *line = &view->line[pos]; | |
2988 | char *path1 = ((char *) line->data) + SIZEOF_TREE_ATTR; | |
2989 | char *path2 = text + SIZEOF_TREE_ATTR; | |
2990 | int cmp = tree_compare_entry(line->type, path1, type, path2); | |
2991 | ||
2992 | if (cmp <= 0) | |
2993 | continue; | |
2994 | ||
2995 | text = strdup(text); | |
2996 | if (!text) | |
2997 | return FALSE; | |
2998 | ||
2999 | if (view->lines > pos) | |
3000 | memmove(&view->line[pos + 1], &view->line[pos], | |
3001 | (view->lines - pos) * sizeof(*line)); | |
3002 | ||
3003 | line = &view->line[pos]; | |
3004 | line->data = text; | |
3005 | line->type = type; | |
3006 | view->lines++; | |
3007 | return TRUE; | |
3008 | } | |
3009 | ||
0a0d8910 | 3010 | if (!add_line_text(view, text, type)) |
e733ee54 JF |
3011 | return FALSE; |
3012 | ||
69efc854 JF |
3013 | if (tree_lineno > view->lineno) { |
3014 | view->lineno = tree_lineno; | |
3015 | tree_lineno = 0; | |
3016 | } | |
f88a5319 | 3017 | |
e733ee54 JF |
3018 | return TRUE; |
3019 | } | |
3020 | ||
586c423d JF |
3021 | static enum request |
3022 | tree_request(struct view *view, enum request request, struct line *line) | |
e733ee54 | 3023 | { |
aac64c17 | 3024 | enum open_flags flags; |
586c423d | 3025 | |
c509eed2 DV |
3026 | if (request == REQ_TREE_PARENT) { |
3027 | if (*opt_path) { | |
3028 | /* fake 'cd ..' */ | |
3029 | request = REQ_ENTER; | |
3030 | line = &view->line[1]; | |
3031 | } else { | |
3032 | /* quit view if at top of tree */ | |
3033 | return REQ_VIEW_CLOSE; | |
3034 | } | |
3035 | } | |
586c423d JF |
3036 | if (request != REQ_ENTER) |
3037 | return request; | |
e733ee54 | 3038 | |
69efc854 JF |
3039 | /* Cleanup the stack if the tree view is at a different tree. */ |
3040 | while (!*opt_path && tree_stack) | |
3041 | pop_tree_stack_entry(); | |
3042 | ||
e733ee54 JF |
3043 | switch (line->type) { |
3044 | case LINE_TREE_DIR: | |
3045 | /* Depending on whether it is a subdir or parent (updir?) link | |
3046 | * mangle the path buffer. */ | |
3047 | if (line == &view->line[1] && *opt_path) { | |
69efc854 | 3048 | pop_tree_stack_entry(); |
e733ee54 JF |
3049 | |
3050 | } else { | |
4795d620 | 3051 | char *data = line->data; |
e733ee54 JF |
3052 | char *basename = data + SIZEOF_TREE_ATTR; |
3053 | ||
69efc854 | 3054 | push_tree_stack_entry(basename, view->lineno); |
e733ee54 JF |
3055 | } |
3056 | ||
3057 | /* Trees and subtrees share the same ID, so they are not not | |
3058 | * unique like blobs. */ | |
aac64c17 | 3059 | flags = OPEN_RELOAD; |
e733ee54 JF |
3060 | request = REQ_VIEW_TREE; |
3061 | break; | |
3062 | ||
3063 | case LINE_TREE_FILE: | |
aac64c17 | 3064 | flags = display[0] == view ? OPEN_SPLIT : OPEN_DEFAULT; |
e733ee54 JF |
3065 | request = REQ_VIEW_BLOB; |
3066 | break; | |
3067 | ||
3068 | default: | |
3069 | return TRUE; | |
3070 | } | |
3071 | ||
3072 | open_view(view, request, flags); | |
69efc854 JF |
3073 | if (request == REQ_VIEW_TREE) { |
3074 | view->lineno = tree_lineno; | |
3075 | } | |
e733ee54 | 3076 | |
586c423d | 3077 | return REQ_NONE; |
e733ee54 JF |
3078 | } |
3079 | ||
d720de4b JF |
3080 | static void |
3081 | tree_select(struct view *view, struct line *line) | |
3082 | { | |
035ba11f | 3083 | char *text = line->data + STRING_SIZE("100644 blob "); |
73c76ef5 JF |
3084 | |
3085 | if (line->type == LINE_TREE_FILE) { | |
2463b4ea | 3086 | string_copy_rev(ref_blob, text); |
d720de4b | 3087 | |
ebbaf4fe JF |
3088 | } else if (line->type != LINE_TREE_DIR) { |
3089 | return; | |
d720de4b | 3090 | } |
ebbaf4fe | 3091 | |
2463b4ea | 3092 | string_copy_rev(view->ref, text); |
d720de4b JF |
3093 | } |
3094 | ||
e733ee54 JF |
3095 | static struct view_ops tree_ops = { |
3096 | "file", | |
f098944b | 3097 | NULL, |
e733ee54 | 3098 | tree_read, |
f098944b | 3099 | pager_draw, |
586c423d | 3100 | tree_request, |
e733ee54 | 3101 | pager_grep, |
d720de4b | 3102 | tree_select, |
e733ee54 JF |
3103 | }; |
3104 | ||
3105 | static bool | |
3106 | blob_read(struct view *view, char *line) | |
3107 | { | |
c115e7ac | 3108 | return add_line_text(view, line, LINE_DEFAULT) != NULL; |
e733ee54 JF |
3109 | } |
3110 | ||
3111 | static struct view_ops blob_ops = { | |
3112 | "line", | |
f098944b | 3113 | NULL, |
e733ee54 | 3114 | blob_read, |
f098944b | 3115 | pager_draw, |
586c423d | 3116 | pager_request, |
e733ee54 | 3117 | pager_grep, |
d720de4b | 3118 | pager_select, |
e733ee54 JF |
3119 | }; |
3120 | ||
3121 | ||
3122 | /* | |
173d76ea JF |
3123 | * Status backend |
3124 | */ | |
3125 | ||
3126 | struct status { | |
3127 | char status; | |
3128 | struct { | |
3129 | mode_t mode; | |
3130 | char rev[SIZEOF_REV]; | |
3131 | } old; | |
3132 | struct { | |
3133 | mode_t mode; | |
3134 | char rev[SIZEOF_REV]; | |
3135 | } new; | |
3136 | char name[SIZEOF_STR]; | |
3137 | }; | |
3138 | ||
b33611d8 JF |
3139 | static struct status stage_status; |
3140 | static enum line_type stage_line_type; | |
3141 | ||
173d76ea JF |
3142 | /* Get fields from the diff line: |
3143 | * :100644 100644 06a5d6ae9eca55be2e0e585a152e6b1336f2b20e 0000000000000000000000000000000000000000 M | |
3144 | */ | |
3145 | static inline bool | |
3146 | status_get_diff(struct status *file, char *buf, size_t bufsize) | |
3147 | { | |
3148 | char *old_mode = buf + 1; | |
3149 | char *new_mode = buf + 8; | |
3150 | char *old_rev = buf + 15; | |
3151 | char *new_rev = buf + 56; | |
3152 | char *status = buf + 97; | |
3153 | ||
3154 | if (bufsize != 99 || | |
3155 | old_mode[-1] != ':' || | |
3156 | new_mode[-1] != ' ' || | |
3157 | old_rev[-1] != ' ' || | |
3158 | new_rev[-1] != ' ' || | |
3159 | status[-1] != ' ') | |
3160 | return FALSE; | |
3161 | ||
3162 | file->status = *status; | |
3163 | ||
3164 | string_copy_rev(file->old.rev, old_rev); | |
3165 | string_copy_rev(file->new.rev, new_rev); | |
3166 | ||
3167 | file->old.mode = strtoul(old_mode, NULL, 8); | |
3168 | file->new.mode = strtoul(new_mode, NULL, 8); | |
3169 | ||
3170 | file->name[0] = 0; | |
3171 | ||
3172 | return TRUE; | |
3173 | } | |
3174 | ||
3175 | static bool | |
3176 | status_run(struct view *view, const char cmd[], bool diff, enum line_type type) | |
3177 | { | |
3178 | struct status *file = NULL; | |
b5c18d9d | 3179 | struct status *unmerged = NULL; |
173d76ea JF |
3180 | char buf[SIZEOF_STR * 4]; |
3181 | size_t bufsize = 0; | |
3182 | FILE *pipe; | |
3183 | ||
3184 | pipe = popen(cmd, "r"); | |
3185 | if (!pipe) | |
3186 | return FALSE; | |
3187 | ||
3188 | add_line_data(view, NULL, type); | |
3189 | ||
3190 | while (!feof(pipe) && !ferror(pipe)) { | |
3191 | char *sep; | |
3192 | size_t readsize; | |
3193 | ||
3194 | readsize = fread(buf + bufsize, 1, sizeof(buf) - bufsize, pipe); | |
3195 | if (!readsize) | |
3196 | break; | |
3197 | bufsize += readsize; | |
3198 | ||
3199 | /* Process while we have NUL chars. */ | |
3200 | while ((sep = memchr(buf, 0, bufsize))) { | |
3201 | size_t sepsize = sep - buf + 1; | |
3202 | ||
3203 | if (!file) { | |
3204 | if (!realloc_lines(view, view->line_size + 1)) | |
3205 | goto error_out; | |
3206 | ||
3207 | file = calloc(1, sizeof(*file)); | |
3208 | if (!file) | |
3209 | goto error_out; | |
3210 | ||
3211 | add_line_data(view, file, type); | |
3212 | } | |
3213 | ||
3214 | /* Parse diff info part. */ | |
3215 | if (!diff) { | |
3216 | file->status = '?'; | |
3217 | ||
3218 | } else if (!file->status) { | |
3219 | if (!status_get_diff(file, buf, sepsize)) | |
3220 | goto error_out; | |
3221 | ||
3222 | bufsize -= sepsize; | |
3223 | memmove(buf, sep + 1, bufsize); | |
3224 | ||
3225 | sep = memchr(buf, 0, bufsize); | |
3226 | if (!sep) | |
3227 | break; | |
3228 | sepsize = sep - buf + 1; | |
b5c18d9d JF |
3229 | |
3230 | /* Collapse all 'M'odified entries that | |
3231 | * follow a associated 'U'nmerged entry. | |
3232 | */ | |
3233 | if (file->status == 'U') { | |
3234 | unmerged = file; | |
3235 | ||
3236 | } else if (unmerged) { | |
3237 | int collapse = !strcmp(buf, unmerged->name); | |
3238 | ||
3239 | unmerged = NULL; | |
3240 | if (collapse) { | |
3241 | free(file); | |
3242 | view->lines--; | |
3243 | continue; | |
3244 | } | |
3245 | } | |
173d76ea JF |
3246 | } |
3247 | ||
3248 | /* git-ls-files just delivers a NUL separated | |
3249 | * list of file names similar to the second half | |
3250 | * of the git-diff-* output. */ | |
3251 | string_ncopy(file->name, buf, sepsize); | |
3252 | bufsize -= sepsize; | |
3253 | memmove(buf, sep + 1, bufsize); | |
3254 | file = NULL; | |
3255 | } | |
3256 | } | |
3257 | ||
3258 | if (ferror(pipe)) { | |
3259 | error_out: | |
3260 | pclose(pipe); | |
3261 | return FALSE; | |
3262 | } | |
3263 | ||
3264 | if (!view->line[view->lines - 1].data) | |
3265 | add_line_data(view, NULL, LINE_STAT_NONE); | |
3266 | ||
3267 | pclose(pipe); | |
3268 | return TRUE; | |
3269 | } | |
3270 | ||
b5c18d9d JF |
3271 | /* Don't show unmerged entries in the staged section. */ |
3272 | #define STATUS_DIFF_INDEX_CMD "git diff-index -z --diff-filter=ACDMRTXB --cached HEAD" | |
173d76ea JF |
3273 | #define STATUS_DIFF_FILES_CMD "git diff-files -z" |
3274 | #define STATUS_LIST_OTHER_CMD \ | |
810f0078 | 3275 | "git ls-files -z --others --exclude-per-directory=.gitignore" |
173d76ea | 3276 | |
f99c6095 | 3277 | #define STATUS_DIFF_INDEX_SHOW_CMD \ |
4ef1bf12 | 3278 | "git diff-index --root --patch-with-stat --find-copies-harder -C --cached HEAD -- %s 2>/dev/null" |
f99c6095 JF |
3279 | |
3280 | #define STATUS_DIFF_FILES_SHOW_CMD \ | |
4ef1bf12 | 3281 | "git diff-files --root --patch-with-stat --find-copies-harder -C -- %s 2>/dev/null" |
89d917a2 | 3282 | |
173d76ea JF |
3283 | /* First parse staged info using git-diff-index(1), then parse unstaged |
3284 | * info using git-diff-files(1), and finally untracked files using | |
3285 | * git-ls-files(1). */ | |
3286 | static bool | |
3287 | status_open(struct view *view) | |
3288 | { | |
810f0078 JF |
3289 | struct stat statbuf; |
3290 | char exclude[SIZEOF_STR]; | |
3291 | char cmd[SIZEOF_STR]; | |
12e8c2be | 3292 | unsigned long prev_lineno = view->lineno; |
173d76ea JF |
3293 | size_t i; |
3294 | ||
3295 | for (i = 0; i < view->lines; i++) | |
3296 | free(view->line[i].data); | |
3297 | free(view->line); | |
12e8c2be | 3298 | view->lines = view->line_size = view->lineno = 0; |
173d76ea JF |
3299 | view->line = NULL; |
3300 | ||
3301 | if (!realloc_lines(view, view->line_size + 6)) | |
3302 | return FALSE; | |
3303 | ||
810f0078 JF |
3304 | if (!string_format(exclude, "%s/info/exclude", opt_git_dir)) |
3305 | return FALSE; | |
3306 | ||
3307 | string_copy(cmd, STATUS_LIST_OTHER_CMD); | |
3308 | ||
3309 | if (stat(exclude, &statbuf) >= 0) { | |
3310 | size_t cmdsize = strlen(cmd); | |
3311 | ||
3312 | if (!string_format_from(cmd, &cmdsize, " %s", "--exclude-from=") || | |
3313 | sq_quote(cmd, cmdsize, exclude) >= sizeof(cmd)) | |
3314 | return FALSE; | |
3315 | } | |
3316 | ||
173d76ea JF |
3317 | if (!status_run(view, STATUS_DIFF_INDEX_CMD, TRUE, LINE_STAT_STAGED) || |
3318 | !status_run(view, STATUS_DIFF_FILES_CMD, TRUE, LINE_STAT_UNSTAGED) || | |
810f0078 | 3319 | !status_run(view, cmd, FALSE, LINE_STAT_UNTRACKED)) |
173d76ea JF |
3320 | return FALSE; |
3321 | ||
12e8c2be JF |
3322 | /* If all went well restore the previous line number to stay in |
3323 | * the context. */ | |
3324 | if (prev_lineno < view->lines) | |
3325 | view->lineno = prev_lineno; | |
3326 | else | |
3327 | view->lineno = view->lines - 1; | |
3328 | ||
173d76ea JF |
3329 | return TRUE; |
3330 | } | |
3331 | ||
3332 | static bool | |
3333 | status_draw(struct view *view, struct line *line, unsigned int lineno, bool selected) | |
3334 | { | |
3335 | struct status *status = line->data; | |
3336 | ||
3337 | wmove(view->win, lineno, 0); | |
3338 | ||
3339 | if (selected) { | |
3340 | wattrset(view->win, get_line_attr(LINE_CURSOR)); | |
3341 | wchgat(view->win, -1, 0, LINE_CURSOR, NULL); | |
3342 | ||
3343 | } else if (!status && line->type != LINE_STAT_NONE) { | |
3344 | wattrset(view->win, get_line_attr(LINE_STAT_SECTION)); | |
3345 | wchgat(view->win, -1, 0, LINE_STAT_SECTION, NULL); | |
3346 | ||
3347 | } else { | |
3348 | wattrset(view->win, get_line_attr(line->type)); | |
3349 | } | |
3350 | ||
3351 | if (!status) { | |
3352 | char *text; | |
3353 | ||
3354 | switch (line->type) { | |
3355 | case LINE_STAT_STAGED: | |
3356 | text = "Changes to be committed:"; | |
3357 | break; | |
3358 | ||
3359 | case LINE_STAT_UNSTAGED: | |
3360 | text = "Changed but not updated:"; | |
3361 | break; | |
3362 | ||
3363 | case LINE_STAT_UNTRACKED: | |
3364 | text = "Untracked files:"; | |
3365 | break; | |
3366 | ||
3367 | case LINE_STAT_NONE: | |
3368 | text = " (no files)"; | |
3369 | break; | |
3370 | ||
3371 | default: | |
3372 | return FALSE; | |
3373 | } | |
3374 | ||
3375 | waddstr(view->win, text); | |
3376 | return TRUE; | |
3377 | } | |
3378 | ||
3379 | waddch(view->win, status->status); | |
3380 | if (!selected) | |
3381 | wattrset(view->win, A_NORMAL); | |
3382 | wmove(view->win, lineno, 4); | |
3383 | waddstr(view->win, status->name); | |
3384 | ||
3385 | return TRUE; | |
3386 | } | |
3387 | ||
586c423d | 3388 | static enum request |
88f66e2d | 3389 | status_enter(struct view *view, struct line *line) |
173d76ea | 3390 | { |
89d917a2 | 3391 | struct status *status = line->data; |
4e8159cf | 3392 | char path[SIZEOF_STR] = ""; |
89d917a2 JF |
3393 | char *info; |
3394 | size_t cmdsize = 0; | |
3395 | ||
4e8159cf JF |
3396 | if (line->type == LINE_STAT_NONE || |
3397 | (!status && line[1].type == LINE_STAT_NONE)) { | |
3398 | report("No file to diff"); | |
586c423d | 3399 | return REQ_NONE; |
89d917a2 JF |
3400 | } |
3401 | ||
4e8159cf | 3402 | if (status && sq_quote(path, 0, status->name) >= sizeof(path)) |
586c423d | 3403 | return REQ_QUIT; |
89d917a2 JF |
3404 | |
3405 | if (opt_cdup[0] && | |
3406 | line->type != LINE_STAT_UNTRACKED && | |
3407 | !string_format_from(opt_cmd, &cmdsize, "cd %s;", opt_cdup)) | |
586c423d | 3408 | return REQ_QUIT; |
89d917a2 JF |
3409 | |
3410 | switch (line->type) { | |
3411 | case LINE_STAT_STAGED: | |
f99c6095 JF |
3412 | if (!string_format_from(opt_cmd, &cmdsize, |
3413 | STATUS_DIFF_INDEX_SHOW_CMD, path)) | |
586c423d | 3414 | return REQ_QUIT; |
4e8159cf JF |
3415 | if (status) |
3416 | info = "Staged changes to %s"; | |
3417 | else | |
3418 | info = "Staged changes"; | |
89d917a2 JF |
3419 | break; |
3420 | ||
3421 | case LINE_STAT_UNSTAGED: | |
f99c6095 JF |
3422 | if (!string_format_from(opt_cmd, &cmdsize, |
3423 | STATUS_DIFF_FILES_SHOW_CMD, path)) | |
586c423d | 3424 | return REQ_QUIT; |
4e8159cf JF |
3425 | if (status) |
3426 | info = "Unstaged changes to %s"; | |
3427 | else | |
3428 | info = "Unstaged changes"; | |
89d917a2 JF |
3429 | break; |
3430 | ||
3431 | case LINE_STAT_UNTRACKED: | |
3432 | if (opt_pipe) | |
586c423d JF |
3433 | return REQ_QUIT; |
3434 | ||
4e8159cf JF |
3435 | |
3436 | if (!status) { | |
3437 | report("No file to show"); | |
586c423d | 3438 | return REQ_NONE; |
4e8159cf JF |
3439 | } |
3440 | ||
89d917a2 JF |
3441 | opt_pipe = fopen(status->name, "r"); |
3442 | info = "Untracked file %s"; | |
3443 | break; | |
3444 | ||
3445 | default: | |
e77aa656 | 3446 | die("line type %d not handled in switch", line->type); |
89d917a2 JF |
3447 | } |
3448 | ||
3e634113 JF |
3449 | open_view(view, REQ_VIEW_STAGE, OPEN_RELOAD | OPEN_SPLIT); |
3450 | if (view_is_displayed(VIEW(REQ_VIEW_STAGE))) { | |
b33611d8 JF |
3451 | if (status) { |
3452 | stage_status = *status; | |
3453 | } else { | |
3454 | memset(&stage_status, 0, sizeof(stage_status)); | |
3455 | } | |
3456 | ||
3457 | stage_line_type = line->type; | |
3458 | string_format(VIEW(REQ_VIEW_STAGE)->ref, info, stage_status.name); | |
89d917a2 JF |
3459 | } |
3460 | ||
586c423d | 3461 | return REQ_NONE; |
ca1d71ea JF |
3462 | } |
3463 | ||
88f66e2d | 3464 | |
ca1d71ea JF |
3465 | static bool |
3466 | status_update_file(struct view *view, struct status *status, enum line_type type) | |
3467 | { | |
91c5d983 | 3468 | char cmd[SIZEOF_STR]; |
173d76ea | 3469 | char buf[SIZEOF_STR]; |
91c5d983 | 3470 | size_t cmdsize = 0; |
173d76ea JF |
3471 | size_t bufsize = 0; |
3472 | size_t written = 0; | |
3473 | FILE *pipe; | |
3474 | ||
91c5d983 | 3475 | if (opt_cdup[0] && |
ca1d71ea | 3476 | type != LINE_STAT_UNTRACKED && |
91c5d983 JF |
3477 | !string_format_from(cmd, &cmdsize, "cd %s;", opt_cdup)) |
3478 | return FALSE; | |
3479 | ||
ca1d71ea | 3480 | switch (type) { |
173d76ea JF |
3481 | case LINE_STAT_STAGED: |
3482 | if (!string_format_from(buf, &bufsize, "%06o %s\t%s%c", | |
3483 | status->old.mode, | |
3484 | status->old.rev, | |
3485 | status->name, 0)) | |
3486 | return FALSE; | |
91c5d983 JF |
3487 | |
3488 | string_add(cmd, cmdsize, "git update-index -z --index-info"); | |
173d76ea JF |
3489 | break; |
3490 | ||
3491 | case LINE_STAT_UNSTAGED: | |
3492 | case LINE_STAT_UNTRACKED: | |
3493 | if (!string_format_from(buf, &bufsize, "%s%c", status->name, 0)) | |
3494 | return FALSE; | |
91c5d983 JF |
3495 | |
3496 | string_add(cmd, cmdsize, "git update-index -z --add --remove --stdin"); | |
173d76ea JF |
3497 | break; |
3498 | ||
3499 | default: | |
e77aa656 | 3500 | die("line type %d not handled in switch", type); |
173d76ea JF |
3501 | } |
3502 | ||
3503 | pipe = popen(cmd, "w"); | |
3504 | if (!pipe) | |
3505 | return FALSE; | |
3506 | ||
3507 | while (!ferror(pipe) && written < bufsize) { | |
3508 | written += fwrite(buf + written, 1, bufsize - written, pipe); | |
3509 | } | |
3510 | ||
3511 | pclose(pipe); | |
3512 | ||
3513 | if (written != bufsize) | |
3514 | return FALSE; | |
3515 | ||
173d76ea JF |
3516 | return TRUE; |
3517 | } | |
3518 | ||
3519 | static void | |
ca1d71ea JF |
3520 | status_update(struct view *view) |
3521 | { | |
dec7b437 | 3522 | struct line *line = &view->line[view->lineno]; |
351917f8 | 3523 | |
dec7b437 | 3524 | assert(view->lines); |
11359638 | 3525 | |
dec7b437 JF |
3526 | if (!line->data) { |
3527 | while (++line < view->line + view->lines && line->data) { | |
3528 | if (!status_update_file(view, line->data, line->type)) | |
3529 | report("Failed to update file status"); | |
3530 | } | |
11359638 | 3531 | |
dec7b437 JF |
3532 | if (!line[-1].data) { |
3533 | report("Nothing to update"); | |
3534 | return; | |
93e4c4f6 JF |
3535 | } |
3536 | ||
dec7b437 JF |
3537 | } else if (!status_update_file(view, line->data, line->type)) { |
3538 | report("Failed to update file status"); | |
ca1d71ea JF |
3539 | } |
3540 | } | |
3541 | ||
88f66e2d JF |
3542 | static enum request |
3543 | status_request(struct view *view, enum request request, struct line *line) | |
3544 | { | |
0cea0d43 JF |
3545 | struct status *status = line->data; |
3546 | ||
88f66e2d JF |
3547 | switch (request) { |
3548 | case REQ_STATUS_UPDATE: | |
3549 | status_update(view); | |
3550 | break; | |
3551 | ||
b5c18d9d | 3552 | case REQ_STATUS_MERGE: |
91521b9d JF |
3553 | if (!status || status->status != 'U') { |
3554 | report("Merging only possible for files with unmerged status ('U')."); | |
3555 | return REQ_NONE; | |
3556 | } | |
b5c18d9d | 3557 | open_mergetool(status->name); |
b5c18d9d JF |
3558 | break; |
3559 | ||
0cea0d43 JF |
3560 | case REQ_EDIT: |
3561 | if (!status) | |
3562 | return request; | |
3563 | ||
3dd65d95 | 3564 | open_editor(status->status != '?', status->name); |
0cea0d43 JF |
3565 | break; |
3566 | ||
88f66e2d | 3567 | case REQ_ENTER: |
17a27c16 JF |
3568 | /* After returning the status view has been split to |
3569 | * show the stage view. No further reloading is | |
3570 | * necessary. */ | |
88f66e2d | 3571 | status_enter(view, line); |
17a27c16 | 3572 | return REQ_NONE; |
88f66e2d | 3573 | |
acaef3b3 | 3574 | case REQ_REFRESH: |
17a27c16 | 3575 | /* Simply reload the view. */ |
acaef3b3 JF |
3576 | break; |
3577 | ||
88f66e2d JF |
3578 | default: |
3579 | return request; | |
3580 | } | |
3581 | ||
17a27c16 JF |
3582 | open_view(view, REQ_VIEW_STATUS, OPEN_RELOAD); |
3583 | ||
88f66e2d JF |
3584 | return REQ_NONE; |
3585 | } | |
3586 | ||
ca1d71ea | 3587 | static void |
173d76ea JF |
3588 | status_select(struct view *view, struct line *line) |
3589 | { | |
11359638 JF |
3590 | struct status *status = line->data; |
3591 | char file[SIZEOF_STR] = "all files"; | |
173d76ea | 3592 | char *text; |
b5c18d9d | 3593 | char *key; |
173d76ea | 3594 | |
11359638 JF |
3595 | if (status && !string_format(file, "'%s'", status->name)) |
3596 | return; | |
3597 | ||
3598 | if (!status && line[1].type == LINE_STAT_NONE) | |
3599 | line++; | |
3600 | ||
173d76ea JF |
3601 | switch (line->type) { |
3602 | case LINE_STAT_STAGED: | |
11359638 | 3603 | text = "Press %s to unstage %s for commit"; |
173d76ea JF |
3604 | break; |
3605 | ||
3606 | case LINE_STAT_UNSTAGED: | |
11359638 | 3607 | text = "Press %s to stage %s for commit"; |
173d76ea JF |
3608 | break; |
3609 | ||
3610 | case LINE_STAT_UNTRACKED: | |
11359638 | 3611 | text = "Press %s to stage %s for addition"; |
173d76ea JF |
3612 | break; |
3613 | ||
3614 | case LINE_STAT_NONE: | |
11359638 JF |
3615 | text = "Nothing to update"; |
3616 | break; | |
173d76ea JF |
3617 | |
3618 | default: | |
e77aa656 | 3619 | die("line type %d not handled in switch", line->type); |
173d76ea JF |
3620 | } |
3621 | ||
b5c18d9d JF |
3622 | if (status && status->status == 'U') { |
3623 | text = "Press %s to resolve conflict in %s"; | |
3624 | key = get_key(REQ_STATUS_MERGE); | |
3625 | ||
3626 | } else { | |
3627 | key = get_key(REQ_STATUS_UPDATE); | |
3628 | } | |
3629 | ||
3630 | string_format(view->ref, text, key, file); | |
173d76ea JF |
3631 | } |
3632 | ||
3633 | static bool | |
3634 | status_grep(struct view *view, struct line *line) | |
3635 | { | |
3636 | struct status *status = line->data; | |
3637 | enum { S_STATUS, S_NAME, S_END } state; | |
3638 | char buf[2] = "?"; | |
3639 | regmatch_t pmatch; | |
3640 | ||
3641 | if (!status) | |
3642 | return FALSE; | |
3643 | ||
3644 | for (state = S_STATUS; state < S_END; state++) { | |
3645 | char *text; | |
3646 | ||
3647 | switch (state) { | |
3648 | case S_NAME: text = status->name; break; | |
3649 | case S_STATUS: | |
3650 | buf[0] = status->status; | |
3651 | text = buf; | |
3652 | break; | |
3653 | ||
3654 | default: | |
3655 | return FALSE; | |
3656 | } | |
3657 | ||
3658 | if (regexec(view->regex, text, 1, &pmatch, 0) != REG_NOMATCH) | |
3659 | return TRUE; | |
3660 | } | |
3661 | ||
3662 | return FALSE; | |
3663 | } | |
3664 | ||
3665 | static struct view_ops status_ops = { | |
3666 | "file", | |
3667 | status_open, | |
3668 | NULL, | |
3669 | status_draw, | |
586c423d | 3670 | status_request, |
173d76ea JF |
3671 | status_grep, |
3672 | status_select, | |
3673 | }; | |
3674 | ||
b33611d8 JF |
3675 | |
3676 | static bool | |
3677 | stage_diff_line(FILE *pipe, struct line *line) | |
3678 | { | |
3679 | char *buf = line->data; | |
3680 | size_t bufsize = strlen(buf); | |
3681 | size_t written = 0; | |
3682 | ||
3683 | while (!ferror(pipe) && written < bufsize) { | |
3684 | written += fwrite(buf + written, 1, bufsize - written, pipe); | |
3685 | } | |
3686 | ||
3687 | fputc('\n', pipe); | |
3688 | ||
3689 | return written == bufsize; | |
3690 | } | |
3691 | ||
3692 | static struct line * | |
3693 | stage_diff_hdr(struct view *view, struct line *line) | |
3694 | { | |
3695 | int diff_hdr_dir = line->type == LINE_DIFF_CHUNK ? -1 : 1; | |
3696 | struct line *diff_hdr; | |
3697 | ||
3698 | if (line->type == LINE_DIFF_CHUNK) | |
3699 | diff_hdr = line - 1; | |
3700 | else | |
3701 | diff_hdr = view->line + 1; | |
3702 | ||
3703 | while (diff_hdr > view->line && diff_hdr < view->line + view->lines) { | |
3704 | if (diff_hdr->type == LINE_DIFF_HEADER) | |
3705 | return diff_hdr; | |
3706 | ||
3707 | diff_hdr += diff_hdr_dir; | |
3708 | } | |
3709 | ||
3710 | return NULL; | |
3711 | } | |
3712 | ||
3713 | static bool | |
3714 | stage_update_chunk(struct view *view, struct line *line) | |
3715 | { | |
3716 | char cmd[SIZEOF_STR]; | |
3717 | size_t cmdsize = 0; | |
3718 | struct line *diff_hdr, *diff_chunk, *diff_end; | |
3719 | FILE *pipe; | |
3720 | ||
3721 | diff_hdr = stage_diff_hdr(view, line); | |
3722 | if (!diff_hdr) | |
3723 | return FALSE; | |
3724 | ||
3725 | if (opt_cdup[0] && | |
3726 | !string_format_from(cmd, &cmdsize, "cd %s;", opt_cdup)) | |
3727 | return FALSE; | |
3728 | ||
3729 | if (!string_format_from(cmd, &cmdsize, | |
3730 | "git apply --cached %s - && " | |
3731 | "git update-index -q --unmerged --refresh 2>/dev/null", | |
3732 | stage_line_type == LINE_STAT_STAGED ? "-R" : "")) | |
3733 | return FALSE; | |
3734 | ||
3735 | pipe = popen(cmd, "w"); | |
3736 | if (!pipe) | |
3737 | return FALSE; | |
3738 | ||
3739 | diff_end = view->line + view->lines; | |
3740 | if (line->type != LINE_DIFF_CHUNK) { | |
3741 | diff_chunk = diff_hdr; | |
3742 | ||
3743 | } else { | |
3744 | for (diff_chunk = line + 1; diff_chunk < diff_end; diff_chunk++) | |
3745 | if (diff_chunk->type == LINE_DIFF_CHUNK || | |
3746 | diff_chunk->type == LINE_DIFF_HEADER) | |
3747 | diff_end = diff_chunk; | |
3748 | ||
3749 | diff_chunk = line; | |
3750 | ||
3751 | while (diff_hdr->type != LINE_DIFF_CHUNK) { | |
3752 | switch (diff_hdr->type) { | |
3753 | case LINE_DIFF_HEADER: | |
3754 | case LINE_DIFF_INDEX: | |
3755 | case LINE_DIFF_ADD: | |
3756 | case LINE_DIFF_DEL: | |
3757 | break; | |
3758 | ||
3759 | default: | |
3760 | diff_hdr++; | |
3761 | continue; | |
3762 | } | |
3763 | ||
3764 | if (!stage_diff_line(pipe, diff_hdr++)) { | |
3765 | pclose(pipe); | |
3766 | return FALSE; | |
3767 | } | |
3768 | } | |
3769 | } | |
3770 | ||
3771 | while (diff_chunk < diff_end && stage_diff_line(pipe, diff_chunk)) | |
3772 | diff_chunk++; | |
3773 | ||
3774 | pclose(pipe); | |
3775 | ||
3776 | if (diff_chunk != diff_end) | |
3777 | return FALSE; | |
3778 | ||
3779 | return TRUE; | |
3780 | } | |
3781 | ||
3782 | static void | |
3783 | stage_update(struct view *view, struct line *line) | |
3784 | { | |
3785 | if (stage_line_type != LINE_STAT_UNTRACKED && | |
3786 | (line->type == LINE_DIFF_CHUNK || !stage_status.status)) { | |
3787 | if (!stage_update_chunk(view, line)) { | |
3788 | report("Failed to apply chunk"); | |
3789 | return; | |
3790 | } | |
3791 | ||
3792 | } else if (!status_update_file(view, &stage_status, stage_line_type)) { | |
3793 | report("Failed to update file"); | |
3794 | return; | |
3795 | } | |
3796 | ||
3797 | open_view(view, REQ_VIEW_STATUS, OPEN_RELOAD); | |
3798 | ||
3799 | view = VIEW(REQ_VIEW_STATUS); | |
3800 | if (view_is_displayed(view)) | |
3801 | status_enter(view, &view->line[view->lineno]); | |
3802 | } | |
3803 | ||
3804 | static enum request | |
3805 | stage_request(struct view *view, enum request request, struct line *line) | |
3806 | { | |
3807 | switch (request) { | |
3808 | case REQ_STATUS_UPDATE: | |
3809 | stage_update(view, line); | |
3810 | break; | |
3811 | ||
3812 | case REQ_EDIT: | |
3813 | if (!stage_status.name[0]) | |
3814 | return request; | |
3815 | ||
3dd65d95 | 3816 | open_editor(stage_status.status != '?', stage_status.name); |
b33611d8 JF |
3817 | break; |
3818 | ||
3819 | case REQ_ENTER: | |
3820 | pager_request(view, request, line); | |
3821 | break; | |
3822 | ||
3823 | default: | |
3824 | return request; | |
3825 | } | |
3826 | ||
3827 | return REQ_NONE; | |
3828 | } | |
3829 | ||
3e634113 JF |
3830 | static struct view_ops stage_ops = { |
3831 | "line", | |
3832 | NULL, | |
3833 | pager_read, | |
3834 | pager_draw, | |
b33611d8 | 3835 | stage_request, |
3e634113 JF |
3836 | pager_grep, |
3837 | pager_select, | |
3838 | }; | |
173d76ea | 3839 | |
b33611d8 | 3840 | |
173d76ea | 3841 | /* |
ccc33449 | 3842 | * Revision graph |
ff26aa29 JF |
3843 | */ |
3844 | ||
3845 | struct commit { | |
10446330 | 3846 | char id[SIZEOF_REV]; /* SHA1 ID. */ |
aea510c8 | 3847 | char title[128]; /* First line of the commit message. */ |
54efb62b JF |
3848 | char author[75]; /* Author of the commit. */ |
3849 | struct tm time; /* Date from the author ident. */ | |
3850 | struct ref **refs; /* Repository references. */ | |
3851 | chtype graph[SIZEOF_REVGRAPH]; /* Ancestry chain graphics. */ | |
3852 | size_t graph_size; /* The width of the graph array. */ | |
ff26aa29 | 3853 | }; |
c34d9c9f | 3854 | |
ccc33449 JF |
3855 | /* Size of rev graph with no "padding" columns */ |
3856 | #define SIZEOF_REVITEMS (SIZEOF_REVGRAPH - (SIZEOF_REVGRAPH / 2)) | |
2b757533 | 3857 | |
2ce5c87c JF |
3858 | struct rev_graph { |
3859 | struct rev_graph *prev, *next, *parents; | |
2b757533 JF |
3860 | char rev[SIZEOF_REVITEMS][SIZEOF_REV]; |
3861 | size_t size; | |
88757ebd JF |
3862 | struct commit *commit; |
3863 | size_t pos; | |
e81e9c2c | 3864 | unsigned int boundary:1; |
2b757533 JF |
3865 | }; |
3866 | ||
2b757533 | 3867 | /* Parents of the commit being visualized. */ |
446a5c36 | 3868 | static struct rev_graph graph_parents[4]; |
c8d60a25 | 3869 | |
c65a501a | 3870 | /* The current stack of revisions on the graph. */ |
446a5c36 JF |
3871 | static struct rev_graph graph_stacks[4] = { |
3872 | { &graph_stacks[3], &graph_stacks[1], &graph_parents[0] }, | |
c65a501a | 3873 | { &graph_stacks[0], &graph_stacks[2], &graph_parents[1] }, |
446a5c36 JF |
3874 | { &graph_stacks[1], &graph_stacks[3], &graph_parents[2] }, |
3875 | { &graph_stacks[2], &graph_stacks[0], &graph_parents[3] }, | |
c65a501a JF |
3876 | }; |
3877 | ||
9e43b9cd | 3878 | static inline bool |
2ce5c87c | 3879 | graph_parent_is_merge(struct rev_graph *graph) |
9e43b9cd JF |
3880 | { |
3881 | return graph->parents->size > 1; | |
3882 | } | |
3883 | ||
88757ebd | 3884 | static inline void |
2ce5c87c | 3885 | append_to_rev_graph(struct rev_graph *graph, chtype symbol) |
88757ebd | 3886 | { |
2c27faac JF |
3887 | struct commit *commit = graph->commit; |
3888 | ||
3889 | if (commit->graph_size < ARRAY_SIZE(commit->graph) - 1) | |
3890 | commit->graph[commit->graph_size++] = symbol; | |
88757ebd JF |
3891 | } |
3892 | ||
2b757533 | 3893 | static void |
2ce5c87c | 3894 | done_rev_graph(struct rev_graph *graph) |
987890af JF |
3895 | { |
3896 | if (graph_parent_is_merge(graph) && | |
3897 | graph->pos < graph->size - 1 && | |
3898 | graph->next->size == graph->size + graph->parents->size - 1) { | |
3899 | size_t i = graph->pos + graph->parents->size - 1; | |
3900 | ||
3901 | graph->commit->graph_size = i * 2; | |
3902 | while (i < graph->next->size - 1) { | |
3903 | append_to_rev_graph(graph, ' '); | |
3904 | append_to_rev_graph(graph, '\\'); | |
3905 | i++; | |
3906 | } | |
3907 | } | |
3908 | ||
3909 | graph->size = graph->pos = 0; | |
3910 | graph->commit = NULL; | |
3911 | memset(graph->parents, 0, sizeof(*graph->parents)); | |
3912 | } | |
3913 | ||
3914 | static void | |
2ce5c87c | 3915 | push_rev_graph(struct rev_graph *graph, char *parent) |
2b757533 | 3916 | { |
2fe894e6 JF |
3917 | int i; |
3918 | ||
3919 | /* "Collapse" duplicate parents lines. | |
3920 | * | |
3921 | * FIXME: This needs to also update update the drawn graph but | |
3922 | * for now it just serves as a method for pruning graph lines. */ | |
3923 | for (i = 0; i < graph->size; i++) | |
3924 | if (!strncmp(graph->rev[i], parent, SIZEOF_REV)) | |
3925 | return; | |
2b757533 | 3926 | |
2ce5c87c | 3927 | if (graph->size < SIZEOF_REVITEMS) { |
739e81de | 3928 | string_copy_rev(graph->rev[graph->size++], parent); |
2b757533 JF |
3929 | } |
3930 | } | |
3931 | ||
92507a24 JF |
3932 | static chtype |
3933 | get_rev_graph_symbol(struct rev_graph *graph) | |
2b757533 | 3934 | { |
92507a24 | 3935 | chtype symbol; |
2b757533 | 3936 | |
e81e9c2c JF |
3937 | if (graph->boundary) |
3938 | symbol = REVGRAPH_BOUND; | |
3939 | else if (graph->parents->size == 0) | |
c8d60a25 | 3940 | symbol = REVGRAPH_INIT; |
18ffaa23 | 3941 | else if (graph_parent_is_merge(graph)) |
c8d60a25 | 3942 | symbol = REVGRAPH_MERGE; |
c65a501a | 3943 | else if (graph->pos >= graph->size) |
c8d60a25 | 3944 | symbol = REVGRAPH_BRANCH; |
2b757533 | 3945 | else |
c8d60a25 | 3946 | symbol = REVGRAPH_COMMIT; |
1dcb3bec | 3947 | |
92507a24 JF |
3948 | return symbol; |
3949 | } | |
3950 | ||
3951 | static void | |
3952 | draw_rev_graph(struct rev_graph *graph) | |
3953 | { | |
e937c2c8 JF |
3954 | struct rev_filler { |
3955 | chtype separator, line; | |
3956 | }; | |
3957 | enum { DEFAULT, RSHARP, RDIAG, LDIAG }; | |
3958 | static struct rev_filler fillers[] = { | |
3959 | { ' ', REVGRAPH_LINE }, | |
3960 | { '`', '.' }, | |
3961 | { '\'', ' ' }, | |
3962 | { '/', ' ' }, | |
e937c2c8 | 3963 | }; |
92507a24 | 3964 | chtype symbol = get_rev_graph_symbol(graph); |
e937c2c8 | 3965 | struct rev_filler *filler; |
92507a24 JF |
3966 | size_t i; |
3967 | ||
e937c2c8 | 3968 | filler = &fillers[DEFAULT]; |
110e948e | 3969 | |
c65a501a | 3970 | for (i = 0; i < graph->pos; i++) { |
e937c2c8 | 3971 | append_to_rev_graph(graph, filler->line); |
9e43b9cd | 3972 | if (graph_parent_is_merge(graph->prev) && |
e937c2c8 JF |
3973 | graph->prev->pos == i) |
3974 | filler = &fillers[RSHARP]; | |
3975 | ||
3976 | append_to_rev_graph(graph, filler->separator); | |
110e948e JF |
3977 | } |
3978 | ||
92507a24 | 3979 | /* Place the symbol for this revision. */ |
c65a501a | 3980 | append_to_rev_graph(graph, symbol); |
2b757533 | 3981 | |
e937c2c8 JF |
3982 | if (graph->prev->size > graph->size) |
3983 | filler = &fillers[RDIAG]; | |
3984 | else | |
3985 | filler = &fillers[DEFAULT]; | |
3986 | ||
c8d60a25 | 3987 | i++; |
2b757533 | 3988 | |
c65a501a | 3989 | for (; i < graph->size; i++) { |
e937c2c8 JF |
3990 | append_to_rev_graph(graph, filler->separator); |
3991 | append_to_rev_graph(graph, filler->line); | |
3992 | if (graph_parent_is_merge(graph->prev) && | |
3993 | i < graph->prev->pos + graph->parents->size) | |
3994 | filler = &fillers[RSHARP]; | |
3995 | if (graph->prev->size > graph->size) | |
3996 | filler = &fillers[LDIAG]; | |
c65a501a JF |
3997 | } |
3998 | ||
3999 | if (graph->prev->size > graph->size) { | |
e937c2c8 JF |
4000 | append_to_rev_graph(graph, filler->separator); |
4001 | if (filler->line != ' ') | |
4002 | append_to_rev_graph(graph, filler->line); | |
2b757533 | 4003 | } |
b5d8f208 JF |
4004 | } |
4005 | ||
61eed810 JF |
4006 | /* Prepare the next rev graph */ |
4007 | static void | |
4008 | prepare_rev_graph(struct rev_graph *graph) | |
b5d8f208 | 4009 | { |
b5d8f208 JF |
4010 | size_t i; |
4011 | ||
320df4ea | 4012 | /* First, traverse all lines of revisions up to the active one. */ |
c65a501a JF |
4013 | for (graph->pos = 0; graph->pos < graph->size; graph->pos++) { |
4014 | if (!strcmp(graph->rev[graph->pos], graph->commit->id)) | |
b5d8f208 | 4015 | break; |
b5d8f208 | 4016 | |
2ce5c87c | 4017 | push_rev_graph(graph->next, graph->rev[graph->pos]); |
b5d8f208 JF |
4018 | } |
4019 | ||
320df4ea | 4020 | /* Interleave the new revision parent(s). */ |
e81e9c2c | 4021 | for (i = 0; !graph->boundary && i < graph->parents->size; i++) |
2ce5c87c | 4022 | push_rev_graph(graph->next, graph->parents->rev[i]); |
b5d8f208 | 4023 | |
320df4ea | 4024 | /* Lastly, put any remaining revisions. */ |
c65a501a | 4025 | for (i = graph->pos + 1; i < graph->size; i++) |
2ce5c87c | 4026 | push_rev_graph(graph->next, graph->rev[i]); |
61eed810 JF |
4027 | } |
4028 | ||
4029 | static void | |
4030 | update_rev_graph(struct rev_graph *graph) | |
4031 | { | |
446a5c36 JF |
4032 | /* If this is the finalizing update ... */ |
4033 | if (graph->commit) | |
4034 | prepare_rev_graph(graph); | |
4035 | ||
4036 | /* Graph visualization needs a one rev look-ahead, | |
4037 | * so the first update doesn't visualize anything. */ | |
4038 | if (!graph->prev->commit) | |
4039 | return; | |
c65a501a | 4040 | |
61eed810 JF |
4041 | draw_rev_graph(graph->prev); |
4042 | done_rev_graph(graph->prev->prev); | |
2b757533 JF |
4043 | } |
4044 | ||
ccc33449 JF |
4045 | |
4046 | /* | |
4047 | * Main view backend | |
4048 | */ | |
4049 | ||
4050 | static bool | |
4051 | main_draw(struct view *view, struct line *line, unsigned int lineno, bool selected) | |
4052 | { | |
4053 | char buf[DATE_COLS + 1]; | |
4054 | struct commit *commit = line->data; | |
4055 | enum line_type type; | |
4056 | int col = 0; | |
4057 | size_t timelen; | |
4058 | size_t authorlen; | |
4059 | int trimmed = 1; | |
4060 | ||
4061 | if (!*commit->author) | |
4062 | return FALSE; | |
4063 | ||
4064 | wmove(view->win, lineno, col); | |
4065 | ||
4066 | if (selected) { | |
4067 | type = LINE_CURSOR; | |
4068 | wattrset(view->win, get_line_attr(type)); | |
4069 | wchgat(view->win, -1, 0, type, NULL); | |
4070 | ||
4071 | } else { | |
4072 | type = LINE_MAIN_COMMIT; | |
4073 | wattrset(view->win, get_line_attr(LINE_MAIN_DATE)); | |
4074 | } | |
4075 | ||
4076 | timelen = strftime(buf, sizeof(buf), DATE_FORMAT, &commit->time); | |
4077 | waddnstr(view->win, buf, timelen); | |
4078 | waddstr(view->win, " "); | |
4079 | ||
4080 | col += DATE_COLS; | |
4081 | wmove(view->win, lineno, col); | |
4082 | if (type != LINE_CURSOR) | |
4083 | wattrset(view->win, get_line_attr(LINE_MAIN_AUTHOR)); | |
4084 | ||
4085 | if (opt_utf8) { | |
4086 | authorlen = utf8_length(commit->author, AUTHOR_COLS - 2, &col, &trimmed); | |
4087 | } else { | |
4088 | authorlen = strlen(commit->author); | |
4089 | if (authorlen > AUTHOR_COLS - 2) { | |
4090 | authorlen = AUTHOR_COLS - 2; | |
4091 | trimmed = 1; | |
4092 | } | |
4093 | } | |
4094 | ||
4095 | if (trimmed) { | |
4096 | waddnstr(view->win, commit->author, authorlen); | |
4097 | if (type != LINE_CURSOR) | |
4098 | wattrset(view->win, get_line_attr(LINE_MAIN_DELIM)); | |
4099 | waddch(view->win, '~'); | |
4100 | } else { | |
4101 | waddstr(view->win, commit->author); | |
4102 | } | |
4103 | ||
4104 | col += AUTHOR_COLS; | |
ccc33449 JF |
4105 | |
4106 | if (opt_rev_graph && commit->graph_size) { | |
4107 | size_t i; | |
4108 | ||
f83b1c33 DV |
4109 | if (type != LINE_CURSOR) |
4110 | wattrset(view->win, get_line_attr(LINE_MAIN_REVGRAPH)); | |
ccc33449 JF |
4111 | wmove(view->win, lineno, col); |
4112 | /* Using waddch() instead of waddnstr() ensures that | |
4113 | * they'll be rendered correctly for the cursor line. */ | |
4114 | for (i = 0; i < commit->graph_size; i++) | |
4115 | waddch(view->win, commit->graph[i]); | |
4116 | ||
8716b9ed | 4117 | waddch(view->win, ' '); |
ccc33449 JF |
4118 | col += commit->graph_size + 1; |
4119 | } | |
f83b1c33 DV |
4120 | if (type != LINE_CURSOR) |
4121 | wattrset(view->win, A_NORMAL); | |
ccc33449 JF |
4122 | |
4123 | wmove(view->win, lineno, col); | |
4124 | ||
4125 | if (commit->refs) { | |
4126 | size_t i = 0; | |
4127 | ||
4128 | do { | |
4129 | if (type == LINE_CURSOR) | |
4130 | ; | |
4131 | else if (commit->refs[i]->tag) | |
4132 | wattrset(view->win, get_line_attr(LINE_MAIN_TAG)); | |
e15ec88e JF |
4133 | else if (commit->refs[i]->remote) |
4134 | wattrset(view->win, get_line_attr(LINE_MAIN_REMOTE)); | |
ccc33449 JF |
4135 | else |
4136 | wattrset(view->win, get_line_attr(LINE_MAIN_REF)); | |
4137 | waddstr(view->win, "["); | |
4138 | waddstr(view->win, commit->refs[i]->name); | |
4139 | waddstr(view->win, "]"); | |
4140 | if (type != LINE_CURSOR) | |
4141 | wattrset(view->win, A_NORMAL); | |
4142 | waddstr(view->win, " "); | |
4143 | col += strlen(commit->refs[i]->name) + STRING_SIZE("[] "); | |
4144 | } while (commit->refs[i++]->next); | |
4145 | } | |
4146 | ||
4147 | if (type != LINE_CURSOR) | |
4148 | wattrset(view->win, get_line_attr(type)); | |
4149 | ||
4150 | { | |
4151 | int titlelen = strlen(commit->title); | |
4152 | ||
4153 | if (col + titlelen > view->width) | |
4154 | titlelen = view->width - col; | |
4155 | ||
4156 | waddnstr(view->win, commit->title, titlelen); | |
4157 | } | |
4158 | ||
4159 | return TRUE; | |
4160 | } | |
4161 | ||
4c6fabc2 | 4162 | /* Reads git log --pretty=raw output and parses it into the commit struct. */ |
6b161b31 | 4163 | static bool |
701e4f5d | 4164 | main_read(struct view *view, char *line) |
22f66b0a | 4165 | { |
2ce5c87c | 4166 | static struct rev_graph *graph = graph_stacks; |
be04d936 | 4167 | enum line_type type; |
0ff3b97c | 4168 | struct commit *commit; |
22f66b0a | 4169 | |
be04d936 | 4170 | if (!line) { |
446a5c36 | 4171 | update_rev_graph(graph); |
be04d936 JF |
4172 | return TRUE; |
4173 | } | |
4174 | ||
4175 | type = get_line_type(line); | |
0ff3b97c | 4176 | if (type == LINE_COMMIT) { |
22f66b0a JF |
4177 | commit = calloc(1, sizeof(struct commit)); |
4178 | if (!commit) | |
4179 | return FALSE; | |
4180 | ||
e81e9c2c JF |
4181 | line += STRING_SIZE("commit "); |
4182 | if (*line == '-') { | |
4183 | graph->boundary = 1; | |
4184 | line++; | |
4185 | } | |
4186 | ||
4187 | string_copy_rev(commit->id, line); | |
c34d9c9f | 4188 | commit->refs = get_refs(commit->id); |
c65a501a | 4189 | graph->commit = commit; |
e314c36d | 4190 | add_line_data(view, commit, LINE_MAIN_COMMIT); |
0ff3b97c JF |
4191 | return TRUE; |
4192 | } | |
2b757533 | 4193 | |
0ff3b97c JF |
4194 | if (!view->lines) |
4195 | return TRUE; | |
4196 | commit = view->line[view->lines - 1].data; | |
4197 | ||
4198 | switch (type) { | |
2b757533 | 4199 | case LINE_PARENT: |
0ff3b97c | 4200 | push_rev_graph(graph->parents, line + STRING_SIZE("parent ")); |
78c70acd | 4201 | break; |
22f66b0a | 4202 | |
8855ada4 | 4203 | case LINE_AUTHOR: |
b76c2afc | 4204 | { |
19c3ac60 JF |
4205 | /* Parse author lines where the name may be empty: |
4206 | * author <email@address.tld> 1138474660 +0100 | |
4207 | */ | |
4c6fabc2 | 4208 | char *ident = line + STRING_SIZE("author "); |
19c3ac60 JF |
4209 | char *nameend = strchr(ident, '<'); |
4210 | char *emailend = strchr(ident, '>'); | |
b76c2afc | 4211 | |
0ff3b97c | 4212 | if (!nameend || !emailend) |
fe7233c3 JF |
4213 | break; |
4214 | ||
c65a501a JF |
4215 | update_rev_graph(graph); |
4216 | graph = graph->next; | |
2b757533 | 4217 | |
19c3ac60 JF |
4218 | *nameend = *emailend = 0; |
4219 | ident = chomp_string(ident); | |
4220 | if (!*ident) { | |
4221 | ident = chomp_string(nameend + 1); | |
4222 | if (!*ident) | |
4223 | ident = "Unknown"; | |
b76c2afc JF |
4224 | } |
4225 | ||
739e81de | 4226 | string_ncopy(commit->author, ident, strlen(ident)); |
b76c2afc | 4227 | |
4c6fabc2 | 4228 | /* Parse epoch and timezone */ |
19c3ac60 JF |
4229 | if (emailend[1] == ' ') { |
4230 | char *secs = emailend + 2; | |
4231 | char *zone = strchr(secs, ' '); | |
4232 | time_t time = (time_t) atol(secs); | |
b76c2afc | 4233 | |
4c6fabc2 | 4234 | if (zone && strlen(zone) == STRING_SIZE(" +0700")) { |
b76c2afc JF |
4235 | long tz; |
4236 | ||
4237 | zone++; | |
4238 | tz = ('0' - zone[1]) * 60 * 60 * 10; | |
4239 | tz += ('0' - zone[2]) * 60 * 60; | |
4240 | tz += ('0' - zone[3]) * 60; | |
4241 | tz += ('0' - zone[4]) * 60; | |
4242 | ||
4243 | if (zone[0] == '-') | |
4244 | tz = -tz; | |
4245 | ||
4246 | time -= tz; | |
4247 | } | |
19c3ac60 | 4248 | |
b76c2afc JF |
4249 | gmtime_r(&time, &commit->time); |
4250 | } | |
4251 | break; | |
4252 | } | |
78c70acd | 4253 | default: |
2e8488b4 | 4254 | /* Fill in the commit title if it has not already been set. */ |
2e8488b4 JF |
4255 | if (commit->title[0]) |
4256 | break; | |
4257 | ||
4258 | /* Require titles to start with a non-space character at the | |
4259 | * offset used by git log. */ | |
9073c64a JF |
4260 | if (strncmp(line, " ", 4)) |
4261 | break; | |
4262 | line += 4; | |
4263 | /* Well, if the title starts with a whitespace character, | |
4264 | * try to be forgiving. Otherwise we end up with no title. */ | |
4265 | while (isspace(*line)) | |
4266 | line++; | |
4267 | if (*line == '\0') | |
82e78006 | 4268 | break; |
9073c64a JF |
4269 | /* FIXME: More graceful handling of titles; append "..." to |
4270 | * shortened titles, etc. */ | |
82e78006 | 4271 | |
739e81de | 4272 | string_ncopy(commit->title, line, strlen(line)); |
22f66b0a JF |
4273 | } |
4274 | ||
4275 | return TRUE; | |
4276 | } | |
4277 | ||
586c423d JF |
4278 | static enum request |
4279 | main_request(struct view *view, enum request request, struct line *line) | |
b801d8b2 | 4280 | { |
b3a54cba JF |
4281 | enum open_flags flags = display[0] == view ? OPEN_SPLIT : OPEN_DEFAULT; |
4282 | ||
586c423d JF |
4283 | if (request == REQ_ENTER) |
4284 | open_view(view, REQ_VIEW_DIFF, flags); | |
4285 | else | |
4286 | return request; | |
4287 | ||
4288 | return REQ_NONE; | |
b801d8b2 JF |
4289 | } |
4290 | ||
4af34daa JF |
4291 | static bool |
4292 | main_grep(struct view *view, struct line *line) | |
4293 | { | |
4294 | struct commit *commit = line->data; | |
4295 | enum { S_TITLE, S_AUTHOR, S_DATE, S_END } state; | |
4296 | char buf[DATE_COLS + 1]; | |
4297 | regmatch_t pmatch; | |
4298 | ||
4299 | for (state = S_TITLE; state < S_END; state++) { | |
4300 | char *text; | |
4301 | ||
4302 | switch (state) { | |
4303 | case S_TITLE: text = commit->title; break; | |
4304 | case S_AUTHOR: text = commit->author; break; | |
4305 | case S_DATE: | |
4306 | if (!strftime(buf, sizeof(buf), DATE_FORMAT, &commit->time)) | |
4307 | continue; | |
4308 | text = buf; | |
4309 | break; | |
4310 | ||
4311 | default: | |
4312 | return FALSE; | |
4313 | } | |
4314 | ||
b77b2cb8 | 4315 | if (regexec(view->regex, text, 1, &pmatch, 0) != REG_NOMATCH) |
4af34daa JF |
4316 | return TRUE; |
4317 | } | |
4318 | ||
4319 | return FALSE; | |
4320 | } | |
4321 | ||
d720de4b JF |
4322 | static void |
4323 | main_select(struct view *view, struct line *line) | |
4324 | { | |
4325 | struct commit *commit = line->data; | |
4326 | ||
2463b4ea JF |
4327 | string_copy_rev(view->ref, commit->id); |
4328 | string_copy_rev(ref_commit, view->ref); | |
d720de4b JF |
4329 | } |
4330 | ||
6b161b31 | 4331 | static struct view_ops main_ops = { |
6734f6b9 | 4332 | "commit", |
f098944b | 4333 | NULL, |
6b161b31 | 4334 | main_read, |
f098944b | 4335 | main_draw, |
586c423d | 4336 | main_request, |
4af34daa | 4337 | main_grep, |
d720de4b | 4338 | main_select, |
6b161b31 | 4339 | }; |
2e8488b4 | 4340 | |
c34d9c9f | 4341 | |
6b161b31 | 4342 | /* |
10e290ee JF |
4343 | * Unicode / UTF-8 handling |
4344 | * | |
4345 | * NOTE: Much of the following code for dealing with unicode is derived from | |
4346 | * ELinks' UTF-8 code developed by Scrool <scroolik@gmail.com>. Origin file is | |
4347 | * src/intl/charset.c from the utf8 branch commit elinks-0.11.0-g31f2c28. | |
4348 | */ | |
4349 | ||
4350 | /* I've (over)annotated a lot of code snippets because I am not entirely | |
4351 | * confident that the approach taken by this small UTF-8 interface is correct. | |
4352 | * --jonas */ | |
4353 | ||
4354 | static inline int | |
4355 | unicode_width(unsigned long c) | |
4356 | { | |
4357 | if (c >= 0x1100 && | |
4358 | (c <= 0x115f /* Hangul Jamo */ | |
4359 | || c == 0x2329 | |
4360 | || c == 0x232a | |
4361 | || (c >= 0x2e80 && c <= 0xa4cf && c != 0x303f) | |
f97f4012 | 4362 | /* CJK ... Yi */ |
10e290ee JF |
4363 | || (c >= 0xac00 && c <= 0xd7a3) /* Hangul Syllables */ |
4364 | || (c >= 0xf900 && c <= 0xfaff) /* CJK Compatibility Ideographs */ | |
4365 | || (c >= 0xfe30 && c <= 0xfe6f) /* CJK Compatibility Forms */ | |
4366 | || (c >= 0xff00 && c <= 0xff60) /* Fullwidth Forms */ | |
4367 | || (c >= 0xffe0 && c <= 0xffe6) | |
4368 | || (c >= 0x20000 && c <= 0x2fffd) | |
4369 | || (c >= 0x30000 && c <= 0x3fffd))) | |
4370 | return 2; | |
4371 | ||
4372 | return 1; | |
4373 | } | |
4374 | ||
4375 | /* Number of bytes used for encoding a UTF-8 character indexed by first byte. | |
4376 | * Illegal bytes are set one. */ | |
4377 | static const unsigned char utf8_bytes[256] = { | |
4378 | 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, | |
4379 | 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, | |
4380 | 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, | |
4381 | 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, | |
4382 | 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, | |
4383 | 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, | |
4384 | 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, | |
4385 | 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, | |
4386 | }; | |
4387 | ||
4388 | /* Decode UTF-8 multi-byte representation into a unicode character. */ | |
4389 | static inline unsigned long | |
4390 | utf8_to_unicode(const char *string, size_t length) | |
4391 | { | |
4392 | unsigned long unicode; | |
4393 | ||
4394 | switch (length) { | |
4395 | case 1: | |
4396 | unicode = string[0]; | |
4397 | break; | |
4398 | case 2: | |
4399 | unicode = (string[0] & 0x1f) << 6; | |
4400 | unicode += (string[1] & 0x3f); | |
4401 | break; | |
4402 | case 3: | |
4403 | unicode = (string[0] & 0x0f) << 12; | |
4404 | unicode += ((string[1] & 0x3f) << 6); | |
4405 | unicode += (string[2] & 0x3f); | |
4406 | break; | |
4407 | case 4: | |
4408 | unicode = (string[0] & 0x0f) << 18; | |
4409 | unicode += ((string[1] & 0x3f) << 12); | |
4410 | unicode += ((string[2] & 0x3f) << 6); | |
4411 | unicode += (string[3] & 0x3f); | |
4412 | break; | |
4413 | case 5: | |
4414 | unicode = (string[0] & 0x0f) << 24; | |
4415 | unicode += ((string[1] & 0x3f) << 18); | |
4416 | unicode += ((string[2] & 0x3f) << 12); | |
4417 | unicode += ((string[3] & 0x3f) << 6); | |
4418 | unicode += (string[4] & 0x3f); | |
4419 | break; | |
68b6e0eb | 4420 | case 6: |
10e290ee JF |
4421 | unicode = (string[0] & 0x01) << 30; |
4422 | unicode += ((string[1] & 0x3f) << 24); | |
4423 | unicode += ((string[2] & 0x3f) << 18); | |
4424 | unicode += ((string[3] & 0x3f) << 12); | |
4425 | unicode += ((string[4] & 0x3f) << 6); | |
4426 | unicode += (string[5] & 0x3f); | |
4427 | break; | |
4428 | default: | |
4429 | die("Invalid unicode length"); | |
4430 | } | |
4431 | ||
4432 | /* Invalid characters could return the special 0xfffd value but NUL | |
4433 | * should be just as good. */ | |
4434 | return unicode > 0xffff ? 0 : unicode; | |
4435 | } | |
4436 | ||
4437 | /* Calculates how much of string can be shown within the given maximum width | |
4438 | * and sets trimmed parameter to non-zero value if all of string could not be | |
4439 | * shown. | |
4440 | * | |
4441 | * Additionally, adds to coloffset how many many columns to move to align with | |
4442 | * the expected position. Takes into account how multi-byte and double-width | |
4443 | * characters will effect the cursor position. | |
4444 | * | |
4445 | * Returns the number of bytes to output from string to satisfy max_width. */ | |
4446 | static size_t | |
4447 | utf8_length(const char *string, size_t max_width, int *coloffset, int *trimmed) | |
4448 | { | |
4449 | const char *start = string; | |
4450 | const char *end = strchr(string, '\0'); | |
4451 | size_t mbwidth = 0; | |
4452 | size_t width = 0; | |
4453 | ||
4454 | *trimmed = 0; | |
4455 | ||
4456 | while (string < end) { | |
4457 | int c = *(unsigned char *) string; | |
4458 | unsigned char bytes = utf8_bytes[c]; | |
4459 | size_t ucwidth; | |
4460 | unsigned long unicode; | |
4461 | ||
4462 | if (string + bytes > end) | |
4463 | break; | |
4464 | ||
4465 | /* Change representation to figure out whether | |
4466 | * it is a single- or double-width character. */ | |
4467 | ||
4468 | unicode = utf8_to_unicode(string, bytes); | |
4469 | /* FIXME: Graceful handling of invalid unicode character. */ | |
4470 | if (!unicode) | |
4471 | break; | |
4472 | ||
4473 | ucwidth = unicode_width(unicode); | |
4474 | width += ucwidth; | |
4475 | if (width > max_width) { | |
4476 | *trimmed = 1; | |
4477 | break; | |
4478 | } | |
4479 | ||
4480 | /* The column offset collects the differences between the | |
4481 | * number of bytes encoding a character and the number of | |
4482 | * columns will be used for rendering said character. | |
4483 | * | |
4484 | * So if some character A is encoded in 2 bytes, but will be | |
4485 | * represented on the screen using only 1 byte this will and up | |
4486 | * adding 1 to the multi-byte column offset. | |
4487 | * | |
4488 | * Assumes that no double-width character can be encoding in | |
4489 | * less than two bytes. */ | |
4490 | if (bytes > ucwidth) | |
4491 | mbwidth += bytes - ucwidth; | |
4492 | ||
4493 | string += bytes; | |
4494 | } | |
4495 | ||
4496 | *coloffset += mbwidth; | |
4497 | ||
4498 | return string - start; | |
4499 | } | |
4500 | ||
4501 | ||
4502 | /* | |
6b161b31 JF |
4503 | * Status management |
4504 | */ | |
2e8488b4 | 4505 | |
8855ada4 | 4506 | /* Whether or not the curses interface has been initialized. */ |
68b6e0eb | 4507 | static bool cursed = FALSE; |
8855ada4 | 4508 | |
6b161b31 JF |
4509 | /* The status window is used for polling keystrokes. */ |
4510 | static WINDOW *status_win; | |
4a2909a7 | 4511 | |
21be28fb JF |
4512 | static bool status_empty = TRUE; |
4513 | ||
2e8488b4 | 4514 | /* Update status and title window. */ |
4a2909a7 JF |
4515 | static void |
4516 | report(const char *msg, ...) | |
4517 | { | |
6706b2ba | 4518 | struct view *view = display[current_view]; |
b76c2afc | 4519 | |
ab4af23e JF |
4520 | if (input_mode) |
4521 | return; | |
4522 | ||
c38c64bb JF |
4523 | if (!view) { |
4524 | char buf[SIZEOF_STR]; | |
4525 | va_list args; | |
4526 | ||
4527 | va_start(args, msg); | |
4528 | if (vsnprintf(buf, sizeof(buf), msg, args) >= sizeof(buf)) { | |
4529 | buf[sizeof(buf) - 1] = 0; | |
4530 | buf[sizeof(buf) - 2] = '.'; | |
4531 | buf[sizeof(buf) - 3] = '.'; | |
4532 | buf[sizeof(buf) - 4] = '.'; | |
4533 | } | |
4534 | va_end(args); | |
4535 | die("%s", buf); | |
4536 | } | |
4537 | ||
21be28fb | 4538 | if (!status_empty || *msg) { |
6706b2ba | 4539 | va_list args; |
4a2909a7 | 4540 | |
6706b2ba | 4541 | va_start(args, msg); |
4b76734f | 4542 | |
6706b2ba JF |
4543 | wmove(status_win, 0, 0); |
4544 | if (*msg) { | |
4545 | vwprintw(status_win, msg, args); | |
21be28fb | 4546 | status_empty = FALSE; |
6706b2ba | 4547 | } else { |
21be28fb | 4548 | status_empty = TRUE; |
6706b2ba | 4549 | } |
390a8262 | 4550 | wclrtoeol(status_win); |
6706b2ba | 4551 | wrefresh(status_win); |
b801d8b2 | 4552 | |
6706b2ba JF |
4553 | va_end(args); |
4554 | } | |
4555 | ||
4556 | update_view_title(view); | |
2bee3bde | 4557 | update_display_cursor(view); |
b801d8b2 JF |
4558 | } |
4559 | ||
6b161b31 JF |
4560 | /* Controls when nodelay should be in effect when polling user input. */ |
4561 | static void | |
1ba2ae4b | 4562 | set_nonblocking_input(bool loading) |
b801d8b2 | 4563 | { |
6706b2ba | 4564 | static unsigned int loading_views; |
b801d8b2 | 4565 | |
6706b2ba JF |
4566 | if ((loading == FALSE && loading_views-- == 1) || |
4567 | (loading == TRUE && loading_views++ == 0)) | |
1ba2ae4b | 4568 | nodelay(status_win, loading); |
6b161b31 JF |
4569 | } |
4570 | ||
4571 | static void | |
4572 | init_display(void) | |
4573 | { | |
4574 | int x, y; | |
b76c2afc | 4575 | |
6908bdbd JF |
4576 | /* Initialize the curses library */ |
4577 | if (isatty(STDIN_FILENO)) { | |
8855ada4 | 4578 | cursed = !!initscr(); |
6908bdbd JF |
4579 | } else { |
4580 | /* Leave stdin and stdout alone when acting as a pager. */ | |
4581 | FILE *io = fopen("/dev/tty", "r+"); | |
4582 | ||
e6f60674 JF |
4583 | if (!io) |
4584 | die("Failed to open /dev/tty"); | |
8855ada4 | 4585 | cursed = !!newterm(NULL, io, io); |
6908bdbd JF |
4586 | } |
4587 | ||
8855ada4 JF |
4588 | if (!cursed) |
4589 | die("Failed to initialize curses"); | |
4590 | ||
2e8488b4 JF |
4591 | nonl(); /* Tell curses not to do NL->CR/NL on output */ |
4592 | cbreak(); /* Take input chars one at a time, no wait for \n */ | |
4593 | noecho(); /* Don't echo input */ | |
b801d8b2 | 4594 | leaveok(stdscr, TRUE); |
b801d8b2 JF |
4595 | |
4596 | if (has_colors()) | |
4597 | init_colors(); | |
4598 | ||
4599 | getmaxyx(stdscr, y, x); | |
4600 | status_win = newwin(1, 0, y - 1, 0); | |
4601 | if (!status_win) | |
4602 | die("Failed to create status window"); | |
4603 | ||
4604 | /* Enable keyboard mapping */ | |
4605 | keypad(status_win, TRUE); | |
78c70acd | 4606 | wbkgdset(status_win, get_line_attr(LINE_STATUS)); |
6b161b31 JF |
4607 | } |
4608 | ||
4af34daa | 4609 | static char * |
cb9e48c1 | 4610 | read_prompt(const char *prompt) |
ef5404a4 JF |
4611 | { |
4612 | enum { READING, STOP, CANCEL } status = READING; | |
9e21ce5c | 4613 | static char buf[sizeof(opt_cmd) - STRING_SIZE("git \0")]; |
ef5404a4 JF |
4614 | int pos = 0; |
4615 | ||
4616 | while (status == READING) { | |
4617 | struct view *view; | |
4618 | int i, key; | |
4619 | ||
ab4af23e JF |
4620 | input_mode = TRUE; |
4621 | ||
699ae55b | 4622 | foreach_view (view, i) |
ef5404a4 JF |
4623 | update_view(view); |
4624 | ||
ab4af23e JF |
4625 | input_mode = FALSE; |
4626 | ||
4627 | mvwprintw(status_win, 0, 0, "%s%.*s", prompt, pos, buf); | |
4628 | wclrtoeol(status_win); | |
4629 | ||
ef5404a4 JF |
4630 | /* Refresh, accept single keystroke of input */ |
4631 | key = wgetch(status_win); | |
4632 | switch (key) { | |
4633 | case KEY_RETURN: | |
4634 | case KEY_ENTER: | |
4635 | case '\n': | |
4636 | status = pos ? STOP : CANCEL; | |
4637 | break; | |
4638 | ||
4639 | case KEY_BACKSPACE: | |
4640 | if (pos > 0) | |
4641 | pos--; | |
4642 | else | |
4643 | status = CANCEL; | |
4644 | break; | |
4645 | ||
4646 | case KEY_ESC: | |
4647 | status = CANCEL; | |
4648 | break; | |
4649 | ||
4650 | case ERR: | |
4651 | break; | |
4652 | ||
4653 | default: | |
4654 | if (pos >= sizeof(buf)) { | |
4655 | report("Input string too long"); | |
9e21ce5c | 4656 | return NULL; |
ef5404a4 JF |
4657 | } |
4658 | ||
4659 | if (isprint(key)) | |
4660 | buf[pos++] = (char) key; | |
4661 | } | |
4662 | } | |
4663 | ||
7a06ebdf JF |
4664 | /* Clear the status window */ |
4665 | status_empty = FALSE; | |
4666 | report(""); | |
4667 | ||
4668 | if (status == CANCEL) | |
9e21ce5c | 4669 | return NULL; |
ef5404a4 JF |
4670 | |
4671 | buf[pos++] = 0; | |
ef5404a4 | 4672 | |
9e21ce5c | 4673 | return buf; |
ef5404a4 | 4674 | } |
c34d9c9f JF |
4675 | |
4676 | /* | |
4677 | * Repository references | |
4678 | */ | |
4679 | ||
4680 | static struct ref *refs; | |
3a91b75e | 4681 | static size_t refs_size; |
c34d9c9f | 4682 | |
1307df1a JF |
4683 | /* Id <-> ref store */ |
4684 | static struct ref ***id_refs; | |
4685 | static size_t id_refs_size; | |
4686 | ||
c34d9c9f JF |
4687 | static struct ref ** |
4688 | get_refs(char *id) | |
4689 | { | |
1307df1a JF |
4690 | struct ref ***tmp_id_refs; |
4691 | struct ref **ref_list = NULL; | |
4692 | size_t ref_list_size = 0; | |
c34d9c9f JF |
4693 | size_t i; |
4694 | ||
1307df1a JF |
4695 | for (i = 0; i < id_refs_size; i++) |
4696 | if (!strcmp(id, id_refs[i][0]->id)) | |
4697 | return id_refs[i]; | |
4698 | ||
4699 | tmp_id_refs = realloc(id_refs, (id_refs_size + 1) * sizeof(*id_refs)); | |
4700 | if (!tmp_id_refs) | |
4701 | return NULL; | |
4702 | ||
4703 | id_refs = tmp_id_refs; | |
4704 | ||
c34d9c9f JF |
4705 | for (i = 0; i < refs_size; i++) { |
4706 | struct ref **tmp; | |
4707 | ||
4708 | if (strcmp(id, refs[i].id)) | |
4709 | continue; | |
4710 | ||
1307df1a | 4711 | tmp = realloc(ref_list, (ref_list_size + 1) * sizeof(*ref_list)); |
c34d9c9f | 4712 | if (!tmp) { |
1307df1a JF |
4713 | if (ref_list) |
4714 | free(ref_list); | |
c34d9c9f JF |
4715 | return NULL; |
4716 | } | |
4717 | ||
1307df1a JF |
4718 | ref_list = tmp; |
4719 | if (ref_list_size > 0) | |
4720 | ref_list[ref_list_size - 1]->next = 1; | |
4721 | ref_list[ref_list_size] = &refs[i]; | |
3af8774e JF |
4722 | |
4723 | /* XXX: The properties of the commit chains ensures that we can | |
4724 | * safely modify the shared ref. The repo references will | |
4725 | * always be similar for the same id. */ | |
1307df1a JF |
4726 | ref_list[ref_list_size]->next = 0; |
4727 | ref_list_size++; | |
c34d9c9f JF |
4728 | } |
4729 | ||
1307df1a JF |
4730 | if (ref_list) |
4731 | id_refs[id_refs_size++] = ref_list; | |
4732 | ||
4733 | return ref_list; | |
c34d9c9f JF |
4734 | } |
4735 | ||
4736 | static int | |
5699e0cf | 4737 | read_ref(char *id, size_t idlen, char *name, size_t namelen) |
c34d9c9f | 4738 | { |
d0cea5f9 JF |
4739 | struct ref *ref; |
4740 | bool tag = FALSE; | |
e15ec88e | 4741 | bool remote = FALSE; |
d0cea5f9 | 4742 | |
8b0297ae JF |
4743 | if (!strncmp(name, "refs/tags/", STRING_SIZE("refs/tags/"))) { |
4744 | /* Commits referenced by tags has "^{}" appended. */ | |
4745 | if (name[namelen - 1] != '}') | |
4746 | return OK; | |
4747 | ||
d0cea5f9 JF |
4748 | while (namelen > 0 && name[namelen] != '^') |
4749 | namelen--; | |
c34d9c9f | 4750 | |
d0cea5f9 | 4751 | tag = TRUE; |
8b0297ae JF |
4752 | namelen -= STRING_SIZE("refs/tags/"); |
4753 | name += STRING_SIZE("refs/tags/"); | |
c34d9c9f | 4754 | |
e15ec88e JF |
4755 | } else if (!strncmp(name, "refs/remotes/", STRING_SIZE("refs/remotes/"))) { |
4756 | remote = TRUE; | |
4757 | namelen -= STRING_SIZE("refs/remotes/"); | |
4758 | name += STRING_SIZE("refs/remotes/"); | |
4759 | ||
d0cea5f9 | 4760 | } else if (!strncmp(name, "refs/heads/", STRING_SIZE("refs/heads/"))) { |
8b0297ae JF |
4761 | namelen -= STRING_SIZE("refs/heads/"); |
4762 | name += STRING_SIZE("refs/heads/"); | |
c34d9c9f | 4763 | |
d0cea5f9 JF |
4764 | } else if (!strcmp(name, "HEAD")) { |
4765 | return OK; | |
4766 | } | |
6706b2ba | 4767 | |
d0cea5f9 JF |
4768 | refs = realloc(refs, sizeof(*refs) * (refs_size + 1)); |
4769 | if (!refs) | |
4770 | return ERR; | |
c34d9c9f | 4771 | |
d0cea5f9 | 4772 | ref = &refs[refs_size++]; |
8b0297ae | 4773 | ref->name = malloc(namelen + 1); |
d0cea5f9 JF |
4774 | if (!ref->name) |
4775 | return ERR; | |
3af8774e | 4776 | |
8b0297ae JF |
4777 | strncpy(ref->name, name, namelen); |
4778 | ref->name[namelen] = 0; | |
d0cea5f9 | 4779 | ref->tag = tag; |
e15ec88e | 4780 | ref->remote = remote; |
2463b4ea | 4781 | string_copy_rev(ref->id, id); |
3af8774e | 4782 | |
d0cea5f9 JF |
4783 | return OK; |
4784 | } | |
c34d9c9f | 4785 | |
d0cea5f9 JF |
4786 | static int |
4787 | load_refs(void) | |
4788 | { | |
4789 | const char *cmd_env = getenv("TIG_LS_REMOTE"); | |
4790 | const char *cmd = cmd_env && *cmd_env ? cmd_env : TIG_LS_REMOTE; | |
c34d9c9f | 4791 | |
4a63c884 | 4792 | return read_properties(popen(cmd, "r"), "\t", read_ref); |
d0cea5f9 | 4793 | } |
c34d9c9f | 4794 | |
d0cea5f9 | 4795 | static int |
5699e0cf | 4796 | read_repo_config_option(char *name, size_t namelen, char *value, size_t valuelen) |
d0cea5f9 | 4797 | { |
22913179 | 4798 | if (!strcmp(name, "i18n.commitencoding")) |
739e81de | 4799 | string_ncopy(opt_encoding, value, valuelen); |
c34d9c9f | 4800 | |
0cea0d43 JF |
4801 | if (!strcmp(name, "core.editor")) |
4802 | string_ncopy(opt_editor, value, valuelen); | |
4803 | ||
c34d9c9f JF |
4804 | return OK; |
4805 | } | |
4806 | ||
4670cf89 | 4807 | static int |
14c778a6 | 4808 | load_repo_config(void) |
4670cf89 | 4809 | { |
96e58f5b | 4810 | return read_properties(popen(GIT_CONFIG " --list", "r"), |
14c778a6 | 4811 | "=", read_repo_config_option); |
d0cea5f9 JF |
4812 | } |
4813 | ||
4814 | static int | |
5699e0cf | 4815 | read_repo_info(char *name, size_t namelen, char *value, size_t valuelen) |
91c5d983 | 4816 | { |
c38c64bb | 4817 | if (!opt_git_dir[0]) { |
810f0078 | 4818 | string_ncopy(opt_git_dir, name, namelen); |
c38c64bb JF |
4819 | |
4820 | } else if (opt_is_inside_work_tree == -1) { | |
4821 | /* This can be 3 different values depending on the | |
4822 | * version of git being used. If git-rev-parse does not | |
4823 | * understand --is-inside-work-tree it will simply echo | |
4824 | * the option else either "true" or "false" is printed. | |
4825 | * Default to true for the unknown case. */ | |
4826 | opt_is_inside_work_tree = strcmp(name, "false") ? TRUE : FALSE; | |
4827 | ||
4828 | } else { | |
739e81de | 4829 | string_ncopy(opt_cdup, name, namelen); |
c38c64bb JF |
4830 | } |
4831 | ||
91c5d983 JF |
4832 | return OK; |
4833 | } | |
4834 | ||
810f0078 JF |
4835 | /* XXX: The line outputted by "--show-cdup" can be empty so the option |
4836 | * must be the last one! */ | |
91c5d983 JF |
4837 | static int |
4838 | load_repo_info(void) | |
4839 | { | |
c38c64bb | 4840 | return read_properties(popen("git rev-parse --git-dir --is-inside-work-tree --show-cdup 2>/dev/null", "r"), |
91c5d983 JF |
4841 | "=", read_repo_info); |
4842 | } | |
4843 | ||
4844 | static int | |
4a63c884 | 4845 | read_properties(FILE *pipe, const char *separators, |
5699e0cf | 4846 | int (*read_property)(char *, size_t, char *, size_t)) |
d0cea5f9 | 4847 | { |
4670cf89 JF |
4848 | char buffer[BUFSIZ]; |
4849 | char *name; | |
d0cea5f9 | 4850 | int state = OK; |
4670cf89 JF |
4851 | |
4852 | if (!pipe) | |
4853 | return ERR; | |
4854 | ||
d0cea5f9 | 4855 | while (state == OK && (name = fgets(buffer, sizeof(buffer), pipe))) { |
4a63c884 JF |
4856 | char *value; |
4857 | size_t namelen; | |
4858 | size_t valuelen; | |
4670cf89 | 4859 | |
4a63c884 JF |
4860 | name = chomp_string(name); |
4861 | namelen = strcspn(name, separators); | |
4862 | ||
4863 | if (name[namelen]) { | |
4864 | name[namelen] = 0; | |
4865 | value = chomp_string(name + namelen + 1); | |
d0cea5f9 | 4866 | valuelen = strlen(value); |
4670cf89 | 4867 | |
d0cea5f9 | 4868 | } else { |
d0cea5f9 JF |
4869 | value = ""; |
4870 | valuelen = 0; | |
4670cf89 | 4871 | } |
d0cea5f9 | 4872 | |
3c3801c2 | 4873 | state = read_property(name, namelen, value, valuelen); |
4670cf89 JF |
4874 | } |
4875 | ||
d0cea5f9 JF |
4876 | if (state != ERR && ferror(pipe)) |
4877 | state = ERR; | |
4670cf89 JF |
4878 | |
4879 | pclose(pipe); | |
4880 | ||
d0cea5f9 | 4881 | return state; |
4670cf89 JF |
4882 | } |
4883 | ||
d0cea5f9 | 4884 | |
6b161b31 JF |
4885 | /* |
4886 | * Main | |
4887 | */ | |
4888 | ||
b5c9e67f | 4889 | static void __NORETURN |
6b161b31 JF |
4890 | quit(int sig) |
4891 | { | |
8855ada4 JF |
4892 | /* XXX: Restore tty modes and let the OS cleanup the rest! */ |
4893 | if (cursed) | |
4894 | endwin(); | |
6b161b31 JF |
4895 | exit(0); |
4896 | } | |
4897 | ||
c6704a4e JF |
4898 | static void __NORETURN |
4899 | die(const char *err, ...) | |
6b161b31 JF |
4900 | { |
4901 | va_list args; | |
4902 | ||
4903 | endwin(); | |
4904 | ||
4905 | va_start(args, err); | |
4906 | fputs("tig: ", stderr); | |
4907 | vfprintf(stderr, err, args); | |
4908 | fputs("\n", stderr); | |
4909 | va_end(args); | |
4910 | ||
4911 | exit(1); | |
4912 | } | |
4913 | ||
4914 | int | |
4915 | main(int argc, char *argv[]) | |
4916 | { | |
1ba2ae4b | 4917 | struct view *view; |
6b161b31 | 4918 | enum request request; |
1ba2ae4b | 4919 | size_t i; |
6b161b31 JF |
4920 | |
4921 | signal(SIGINT, quit); | |
4922 | ||
6b68fd24 | 4923 | if (setlocale(LC_ALL, "")) { |
739e81de JF |
4924 | char *codeset = nl_langinfo(CODESET); |
4925 | ||
4926 | string_ncopy(opt_codeset, codeset, strlen(codeset)); | |
6b68fd24 JF |
4927 | } |
4928 | ||
e0f50df0 JF |
4929 | if (load_repo_info() == ERR) |
4930 | die("Failed to load repo info."); | |
4931 | ||
660e09ad JF |
4932 | if (load_options() == ERR) |
4933 | die("Failed to load user config."); | |
4934 | ||
4935 | /* Load the repo config file so options can be overwritten from | |
739e81de | 4936 | * the command line. */ |
14c778a6 | 4937 | if (load_repo_config() == ERR) |
afdc35b3 | 4938 | die("Failed to load repo config."); |
91c5d983 | 4939 | |
8855ada4 | 4940 | if (!parse_options(argc, argv)) |
6b161b31 JF |
4941 | return 0; |
4942 | ||
58a5e4ea JF |
4943 | /* Require a git repository unless when running in pager mode. */ |
4944 | if (!opt_git_dir[0]) | |
4945 | die("Not a git repository"); | |
4946 | ||
6b68fd24 JF |
4947 | if (*opt_codeset && strcmp(opt_codeset, opt_encoding)) { |
4948 | opt_iconv = iconv_open(opt_codeset, opt_encoding); | |
20f4b4a3 | 4949 | if (opt_iconv == ICONV_NONE) |
6b68fd24 JF |
4950 | die("Failed to initialize character set conversion"); |
4951 | } | |
4952 | ||
c34d9c9f JF |
4953 | if (load_refs() == ERR) |
4954 | die("Failed to load refs."); | |
4955 | ||
1ba2ae4b JF |
4956 | for (i = 0; i < ARRAY_SIZE(views) && (view = &views[i]); i++) |
4957 | view->cmd_env = getenv(view->cmd_env); | |
4958 | ||
6b161b31 JF |
4959 | request = opt_request; |
4960 | ||
4961 | init_display(); | |
b801d8b2 JF |
4962 | |
4963 | while (view_driver(display[current_view], request)) { | |
6b161b31 | 4964 | int key; |
b801d8b2 JF |
4965 | int i; |
4966 | ||
699ae55b | 4967 | foreach_view (view, i) |
6b161b31 | 4968 | update_view(view); |
b801d8b2 JF |
4969 | |
4970 | /* Refresh, accept single keystroke of input */ | |
6b161b31 | 4971 | key = wgetch(status_win); |
04e2b7b2 | 4972 | |
cf4d82e6 JF |
4973 | /* wgetch() with nodelay() enabled returns ERR when there's no |
4974 | * input. */ | |
4975 | if (key == ERR) { | |
4976 | request = REQ_NONE; | |
8b534a13 | 4977 | continue; |
cf4d82e6 | 4978 | } |
04e2b7b2 JF |
4979 | |
4980 | request = get_keybinding(display[current_view]->keymap, key); | |
03a93dbb | 4981 | |
6706b2ba | 4982 | /* Some low-level request handling. This keeps access to |
fac7db6c JF |
4983 | * status_win restricted. */ |
4984 | switch (request) { | |
4985 | case REQ_PROMPT: | |
9e21ce5c JF |
4986 | { |
4987 | char *cmd = read_prompt(":"); | |
4988 | ||
4989 | if (cmd && string_format(opt_cmd, "git %s", cmd)) { | |
4990 | if (strncmp(cmd, "show", 4) && isspace(cmd[4])) { | |
4991 | opt_request = REQ_VIEW_DIFF; | |
4992 | } else { | |
4993 | opt_request = REQ_VIEW_PAGER; | |
4994 | } | |
4995 | break; | |
4996 | } | |
fac7db6c | 4997 | |
1d754561 | 4998 | request = REQ_NONE; |
9e21ce5c JF |
4999 | break; |
5000 | } | |
4af34daa JF |
5001 | case REQ_SEARCH: |
5002 | case REQ_SEARCH_BACK: | |
5003 | { | |
5004 | const char *prompt = request == REQ_SEARCH | |
5005 | ? "/" : "?"; | |
5006 | char *search = read_prompt(prompt); | |
5007 | ||
5008 | if (search) | |
739e81de | 5009 | string_ncopy(opt_search, search, strlen(search)); |
4af34daa JF |
5010 | else |
5011 | request = REQ_NONE; | |
5012 | break; | |
5013 | } | |
fac7db6c JF |
5014 | case REQ_SCREEN_RESIZE: |
5015 | { | |
5016 | int height, width; | |
5017 | ||
5018 | getmaxyx(stdscr, height, width); | |
5019 | ||
5020 | /* Resize the status view and let the view driver take | |
5021 | * care of resizing the displayed views. */ | |
5022 | wresize(status_win, 1, width); | |
5023 | mvwin(status_win, height - 1, 0); | |
5024 | wrefresh(status_win); | |
5025 | break; | |
5026 | } | |
5027 | default: | |
5028 | break; | |
03a93dbb | 5029 | } |
b801d8b2 JF |
5030 | } |
5031 | ||
5032 | quit(0); | |
5033 | ||
5034 | return 0; | |
5035 | } |