Commit | Line | Data |
---|---|---|
4a2909a7 | 1 | /* Copyright (c) 2006 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 | |
b76c2afc | 14 | #ifndef VERSION |
0f11e3a9 | 15 | #define VERSION "tig-0.4.git" |
b76c2afc JF |
16 | #endif |
17 | ||
8855ada4 JF |
18 | #ifndef DEBUG |
19 | #define NDEBUG | |
20 | #endif | |
21 | ||
22f66b0a | 22 | #include <assert.h> |
4c6fabc2 | 23 | #include <errno.h> |
22f66b0a JF |
24 | #include <ctype.h> |
25 | #include <signal.h> | |
b801d8b2 | 26 | #include <stdarg.h> |
b801d8b2 | 27 | #include <stdio.h> |
22f66b0a | 28 | #include <stdlib.h> |
b801d8b2 | 29 | #include <string.h> |
6908bdbd | 30 | #include <unistd.h> |
b76c2afc | 31 | #include <time.h> |
b801d8b2 | 32 | |
4af34daa JF |
33 | #include <sys/types.h> |
34 | #include <regex.h> | |
35 | ||
6b68fd24 JF |
36 | #include <locale.h> |
37 | #include <langinfo.h> | |
38 | #include <iconv.h> | |
39 | ||
b801d8b2 | 40 | #include <curses.h> |
b801d8b2 | 41 | |
e2da526d JF |
42 | #if __GNUC__ >= 3 |
43 | #define __NORETURN __attribute__((__noreturn__)) | |
44 | #else | |
45 | #define __NORETURN | |
46 | #endif | |
47 | ||
48 | static void __NORETURN die(const char *err, ...); | |
b801d8b2 | 49 | static void report(const char *msg, ...); |
4a63c884 | 50 | static int read_properties(FILE *pipe, const char *separators, int (*read)(char *, int, char *, int)); |
1ba2ae4b | 51 | static void set_nonblocking_input(bool loading); |
10e290ee | 52 | static size_t utf8_length(const char *string, size_t max_width, int *coloffset, int *trimmed); |
6b161b31 JF |
53 | |
54 | #define ABS(x) ((x) >= 0 ? (x) : -(x)) | |
55 | #define MIN(x, y) ((x) < (y) ? (x) : (y)) | |
56 | ||
57 | #define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0])) | |
58 | #define STRING_SIZE(x) (sizeof(x) - 1) | |
b76c2afc | 59 | |
17482b11 | 60 | #define SIZEOF_STR 1024 /* Default string size. */ |
2e8488b4 | 61 | #define SIZEOF_REF 256 /* Size of symbolic or SHA1 ID. */ |
10446330 | 62 | #define SIZEOF_REV 41 /* Holds a SHA-1 and an ending NUL */ |
c8d60a25 JF |
63 | |
64 | /* Revision graph */ | |
65 | ||
66 | #define REVGRAPH_INIT 'I' | |
67 | #define REVGRAPH_MERGE 'M' | |
68 | #define REVGRAPH_BRANCH '+' | |
69 | #define REVGRAPH_COMMIT '*' | |
70 | #define REVGRAPH_LINE '|' | |
71 | ||
54efb62b | 72 | #define SIZEOF_REVGRAPH 19 /* Size of revision ancestry graphics. */ |
b801d8b2 | 73 | |
82e78006 JF |
74 | /* This color name can be used to refer to the default term colors. */ |
75 | #define COLOR_DEFAULT (-1) | |
78c70acd | 76 | |
6b68fd24 JF |
77 | #define ICONV_NONE ((iconv_t) -1) |
78 | ||
82e78006 | 79 | /* The format and size of the date column in the main view. */ |
4c6fabc2 | 80 | #define DATE_FORMAT "%Y-%m-%d %H:%M" |
6b161b31 | 81 | #define DATE_COLS STRING_SIZE("2006-04-29 14:21 ") |
4c6fabc2 | 82 | |
10e290ee JF |
83 | #define AUTHOR_COLS 20 |
84 | ||
a28bcc22 | 85 | /* The default interval between line numbers. */ |
4a2909a7 | 86 | #define NUMBER_INTERVAL 1 |
82e78006 | 87 | |
6706b2ba JF |
88 | #define TABSIZE 8 |
89 | ||
a28bcc22 JF |
90 | #define SCALE_SPLIT_VIEW(height) ((height) * 2 / 3) |
91 | ||
8eb62770 JF |
92 | #define TIG_LS_REMOTE \ |
93 | "git ls-remote . 2>/dev/null" | |
94 | ||
95 | #define TIG_DIFF_CMD \ | |
73fb51d5 | 96 | "git show --root --patch-with-stat --find-copies-harder -B -C %s 2>/dev/null" |
8eb62770 JF |
97 | |
98 | #define TIG_LOG_CMD \ | |
8fee6614 | 99 | "git log --cc --stat -n100 %s 2>/dev/null" |
8eb62770 JF |
100 | |
101 | #define TIG_MAIN_CMD \ | |
8fee6614 | 102 | "git log --topo-order --pretty=raw %s 2>/dev/null" |
8eb62770 | 103 | |
e733ee54 JF |
104 | #define TIG_TREE_CMD \ |
105 | "git ls-tree %s %s" | |
106 | ||
107 | #define TIG_BLOB_CMD \ | |
108 | "git cat-file blob %s" | |
109 | ||
8eb62770 JF |
110 | /* XXX: Needs to be defined to the empty string. */ |
111 | #define TIG_HELP_CMD "" | |
112 | #define TIG_PAGER_CMD "" | |
113 | ||
8855ada4 | 114 | /* Some ascii-shorthands fitted into the ncurses namespace. */ |
a28bcc22 JF |
115 | #define KEY_TAB '\t' |
116 | #define KEY_RETURN '\r' | |
4a2909a7 JF |
117 | #define KEY_ESC 27 |
118 | ||
6706b2ba | 119 | |
c34d9c9f | 120 | struct ref { |
468876c9 | 121 | char *name; /* Ref name; tag or head names are shortened. */ |
10446330 | 122 | char id[SIZEOF_REV]; /* Commit SHA1 ID */ |
468876c9 JF |
123 | unsigned int tag:1; /* Is it a tag? */ |
124 | unsigned int next:1; /* For ref lists: are there more refs? */ | |
c34d9c9f JF |
125 | }; |
126 | ||
ff26aa29 | 127 | static struct ref **get_refs(char *id); |
4c6fabc2 | 128 | |
660e09ad JF |
129 | struct int_map { |
130 | const char *name; | |
131 | int namelen; | |
132 | int value; | |
133 | }; | |
134 | ||
135 | static int | |
136 | set_from_int_map(struct int_map *map, size_t map_size, | |
137 | int *value, const char *name, int namelen) | |
138 | { | |
139 | ||
140 | int i; | |
141 | ||
142 | for (i = 0; i < map_size; i++) | |
143 | if (namelen == map[i].namelen && | |
144 | !strncasecmp(name, map[i].name, namelen)) { | |
145 | *value = map[i].value; | |
146 | return OK; | |
147 | } | |
148 | ||
149 | return ERR; | |
150 | } | |
151 | ||
6706b2ba | 152 | |
03a93dbb JF |
153 | /* |
154 | * String helpers | |
155 | */ | |
78c70acd | 156 | |
82e78006 | 157 | static inline void |
9a48919b | 158 | string_ncopy_do(char *dst, size_t dstlen, const char *src, size_t srclen) |
82e78006 | 159 | { |
9a48919b JF |
160 | if (srclen > dstlen - 1) |
161 | srclen = dstlen - 1; | |
03a93dbb | 162 | |
9a48919b JF |
163 | strncpy(dst, src, srclen); |
164 | dst[srclen] = 0; | |
82e78006 JF |
165 | } |
166 | ||
9a48919b JF |
167 | /* Shorthands for safely copying into a fixed buffer. */ |
168 | ||
82e78006 | 169 | #define string_copy(dst, src) \ |
9a48919b JF |
170 | string_ncopy_do(dst, sizeof(dst), src, sizeof(dst)) |
171 | ||
172 | #define string_ncopy(dst, src, srclen) \ | |
173 | string_ncopy_do(dst, sizeof(dst), src, srclen) | |
82e78006 | 174 | |
4a63c884 JF |
175 | static char * |
176 | chomp_string(char *name) | |
177 | { | |
178 | int namelen; | |
179 | ||
180 | while (isspace(*name)) | |
181 | name++; | |
182 | ||
183 | namelen = strlen(name) - 1; | |
184 | while (namelen > 0 && isspace(name[namelen])) | |
185 | name[namelen--] = 0; | |
186 | ||
187 | return name; | |
188 | } | |
189 | ||
cc2d1364 | 190 | static bool |
d65ced0d | 191 | string_nformat(char *buf, size_t bufsize, size_t *bufpos, const char *fmt, ...) |
cc2d1364 JF |
192 | { |
193 | va_list args; | |
d65ced0d | 194 | size_t pos = bufpos ? *bufpos : 0; |
cc2d1364 JF |
195 | |
196 | va_start(args, fmt); | |
197 | pos += vsnprintf(buf + pos, bufsize - pos, fmt, args); | |
198 | va_end(args); | |
199 | ||
200 | if (bufpos) | |
201 | *bufpos = pos; | |
202 | ||
203 | return pos >= bufsize ? FALSE : TRUE; | |
204 | } | |
205 | ||
206 | #define string_format(buf, fmt, args...) \ | |
207 | string_nformat(buf, sizeof(buf), NULL, fmt, args) | |
208 | ||
209 | #define string_format_from(buf, from, fmt, args...) \ | |
210 | string_nformat(buf, sizeof(buf), from, fmt, args) | |
6706b2ba | 211 | |
201f5a18 JF |
212 | static int |
213 | string_enum_compare(const char *str1, const char *str2, int len) | |
214 | { | |
215 | size_t i; | |
216 | ||
217 | #define string_enum_sep(x) ((x) == '-' || (x) == '_' || (x) == '.') | |
218 | ||
219 | /* Diff-Header == DIFF_HEADER */ | |
220 | for (i = 0; i < len; i++) { | |
221 | if (toupper(str1[i]) == toupper(str2[i])) | |
222 | continue; | |
223 | ||
224 | if (string_enum_sep(str1[i]) && | |
225 | string_enum_sep(str2[i])) | |
226 | continue; | |
227 | ||
228 | return str1[i] - str2[i]; | |
229 | } | |
230 | ||
231 | return 0; | |
232 | } | |
233 | ||
03a93dbb JF |
234 | /* Shell quoting |
235 | * | |
236 | * NOTE: The following is a slightly modified copy of the git project's shell | |
237 | * quoting routines found in the quote.c file. | |
238 | * | |
239 | * Help to copy the thing properly quoted for the shell safety. any single | |
240 | * quote is replaced with '\'', any exclamation point is replaced with '\!', | |
241 | * and the whole thing is enclosed in a | |
242 | * | |
243 | * E.g. | |
244 | * original sq_quote result | |
245 | * name ==> name ==> 'name' | |
246 | * a b ==> a b ==> 'a b' | |
247 | * a'b ==> a'\''b ==> 'a'\''b' | |
248 | * a!b ==> a'\!'b ==> 'a'\!'b' | |
249 | */ | |
250 | ||
251 | static size_t | |
17482b11 | 252 | sq_quote(char buf[SIZEOF_STR], size_t bufsize, const char *src) |
03a93dbb JF |
253 | { |
254 | char c; | |
255 | ||
17482b11 | 256 | #define BUFPUT(x) do { if (bufsize < SIZEOF_STR) buf[bufsize++] = (x); } while (0) |
03a93dbb JF |
257 | |
258 | BUFPUT('\''); | |
259 | while ((c = *src++)) { | |
260 | if (c == '\'' || c == '!') { | |
261 | BUFPUT('\''); | |
262 | BUFPUT('\\'); | |
263 | BUFPUT(c); | |
264 | BUFPUT('\''); | |
265 | } else { | |
266 | BUFPUT(c); | |
267 | } | |
268 | } | |
269 | BUFPUT('\''); | |
270 | ||
271 | return bufsize; | |
272 | } | |
273 | ||
82e78006 | 274 | |
24b5b3e0 JF |
275 | /* |
276 | * User requests | |
277 | */ | |
278 | ||
279 | #define REQ_INFO \ | |
280 | /* XXX: Keep the view request first and in sync with views[]. */ \ | |
281 | REQ_GROUP("View switching") \ | |
282 | REQ_(VIEW_MAIN, "Show main view"), \ | |
283 | REQ_(VIEW_DIFF, "Show diff view"), \ | |
284 | REQ_(VIEW_LOG, "Show log view"), \ | |
e733ee54 JF |
285 | REQ_(VIEW_TREE, "Show tree view"), \ |
286 | REQ_(VIEW_BLOB, "Show blob view"), \ | |
24b5b3e0 JF |
287 | REQ_(VIEW_HELP, "Show help page"), \ |
288 | REQ_(VIEW_PAGER, "Show pager view"), \ | |
289 | \ | |
290 | REQ_GROUP("View manipulation") \ | |
291 | REQ_(ENTER, "Enter current line and scroll"), \ | |
292 | REQ_(NEXT, "Move to next"), \ | |
293 | REQ_(PREVIOUS, "Move to previous"), \ | |
294 | REQ_(VIEW_NEXT, "Move focus to next view"), \ | |
295 | REQ_(VIEW_CLOSE, "Close the current view"), \ | |
296 | REQ_(QUIT, "Close all views and quit"), \ | |
297 | \ | |
298 | REQ_GROUP("Cursor navigation") \ | |
299 | REQ_(MOVE_UP, "Move cursor one line up"), \ | |
300 | REQ_(MOVE_DOWN, "Move cursor one line down"), \ | |
301 | REQ_(MOVE_PAGE_DOWN, "Move cursor one page down"), \ | |
302 | REQ_(MOVE_PAGE_UP, "Move cursor one page up"), \ | |
303 | REQ_(MOVE_FIRST_LINE, "Move cursor to first line"), \ | |
304 | REQ_(MOVE_LAST_LINE, "Move cursor to last line"), \ | |
305 | \ | |
306 | REQ_GROUP("Scrolling") \ | |
307 | REQ_(SCROLL_LINE_UP, "Scroll one line up"), \ | |
308 | REQ_(SCROLL_LINE_DOWN, "Scroll one line down"), \ | |
309 | REQ_(SCROLL_PAGE_UP, "Scroll one page up"), \ | |
310 | REQ_(SCROLL_PAGE_DOWN, "Scroll one page down"), \ | |
311 | \ | |
4af34daa JF |
312 | REQ_GROUP("Searching") \ |
313 | REQ_(SEARCH, "Search the view"), \ | |
314 | REQ_(SEARCH_BACK, "Search backwards in the view"), \ | |
315 | REQ_(FIND_NEXT, "Find next search match"), \ | |
316 | REQ_(FIND_PREV, "Find previous search match"), \ | |
317 | \ | |
24b5b3e0 | 318 | REQ_GROUP("Misc") \ |
1d754561 | 319 | REQ_(NONE, "Do nothing"), \ |
24b5b3e0 | 320 | REQ_(PROMPT, "Bring up the prompt"), \ |
24b5b3e0 JF |
321 | REQ_(SCREEN_REDRAW, "Redraw the screen"), \ |
322 | REQ_(SCREEN_RESIZE, "Resize the screen"), \ | |
323 | REQ_(SHOW_VERSION, "Show version information"), \ | |
324 | REQ_(STOP_LOADING, "Stop all loading views"), \ | |
54efb62b | 325 | REQ_(TOGGLE_LINENO, "Toggle line numbers"), \ |
04e2b7b2 | 326 | REQ_(TOGGLE_REV_GRAPH, "Toggle revision graph visualization") |
24b5b3e0 JF |
327 | |
328 | ||
329 | /* User action requests. */ | |
330 | enum request { | |
331 | #define REQ_GROUP(help) | |
332 | #define REQ_(req, help) REQ_##req | |
333 | ||
334 | /* Offset all requests to avoid conflicts with ncurses getch values. */ | |
335 | REQ_OFFSET = KEY_MAX + 1, | |
04e2b7b2 JF |
336 | REQ_INFO, |
337 | REQ_UNKNOWN, | |
24b5b3e0 JF |
338 | |
339 | #undef REQ_GROUP | |
340 | #undef REQ_ | |
341 | }; | |
342 | ||
343 | struct request_info { | |
344 | enum request request; | |
04e2b7b2 JF |
345 | char *name; |
346 | int namelen; | |
24b5b3e0 JF |
347 | char *help; |
348 | }; | |
349 | ||
350 | static struct request_info req_info[] = { | |
04e2b7b2 JF |
351 | #define REQ_GROUP(help) { 0, NULL, 0, (help) }, |
352 | #define REQ_(req, help) { REQ_##req, (#req), STRING_SIZE(#req), (help) } | |
24b5b3e0 JF |
353 | REQ_INFO |
354 | #undef REQ_GROUP | |
355 | #undef REQ_ | |
356 | }; | |
357 | ||
04e2b7b2 JF |
358 | static enum request |
359 | get_request(const char *name) | |
360 | { | |
361 | int namelen = strlen(name); | |
362 | int i; | |
363 | ||
364 | for (i = 0; i < ARRAY_SIZE(req_info); i++) | |
365 | if (req_info[i].namelen == namelen && | |
366 | !string_enum_compare(req_info[i].name, name, namelen)) | |
367 | return req_info[i].request; | |
368 | ||
369 | return REQ_UNKNOWN; | |
370 | } | |
371 | ||
372 | ||
8eb62770 JF |
373 | /* |
374 | * Options | |
375 | */ | |
b76c2afc | 376 | |
4b8c01a3 JF |
377 | static const char usage[] = |
378 | VERSION " (" __DATE__ ")\n" | |
379 | "\n" | |
380 | "Usage: tig [options]\n" | |
381 | " or: tig [options] [--] [git log options]\n" | |
382 | " or: tig [options] log [git log options]\n" | |
383 | " or: tig [options] diff [git diff options]\n" | |
384 | " or: tig [options] show [git show options]\n" | |
385 | " or: tig [options] < [git command output]\n" | |
386 | "\n" | |
387 | "Options:\n" | |
388 | " -l Start up in log view\n" | |
389 | " -d Start up in diff view\n" | |
390 | " -n[I], --line-number[=I] Show line numbers with given interval\n" | |
b3c965c9 | 391 | " -b[N], --tab-size[=N] Set number of spaces for tab expansion\n" |
4b8c01a3 JF |
392 | " -- Mark end of tig options\n" |
393 | " -v, --version Show version and exit\n" | |
394 | " -h, --help Show help message and exit\n"; | |
395 | ||
6706b2ba | 396 | /* Option and state variables. */ |
92d30f5c JF |
397 | static bool opt_line_number = FALSE; |
398 | static bool opt_rev_graph = TRUE; | |
399 | static int opt_num_interval = NUMBER_INTERVAL; | |
400 | static int opt_tab_size = TABSIZE; | |
401 | static enum request opt_request = REQ_VIEW_MAIN; | |
402 | static char opt_cmd[SIZEOF_STR] = ""; | |
e733ee54 | 403 | static char opt_path[SIZEOF_STR] = ""; |
92d30f5c JF |
404 | static FILE *opt_pipe = NULL; |
405 | static char opt_encoding[20] = "UTF-8"; | |
406 | static bool opt_utf8 = TRUE; | |
407 | static char opt_codeset[20] = "UTF-8"; | |
408 | static iconv_t opt_iconv = ICONV_NONE; | |
409 | static char opt_search[SIZEOF_STR] = ""; | |
b76c2afc | 410 | |
6dbf6c19 JF |
411 | enum option_type { |
412 | OPT_NONE, | |
413 | OPT_INT, | |
414 | }; | |
415 | ||
416 | static bool | |
417 | check_option(char *opt, char short_name, char *name, enum option_type type, ...) | |
418 | { | |
419 | va_list args; | |
420 | char *value = ""; | |
421 | int *number; | |
422 | ||
423 | if (opt[0] != '-') | |
424 | return FALSE; | |
425 | ||
426 | if (opt[1] == '-') { | |
427 | int namelen = strlen(name); | |
428 | ||
429 | opt += 2; | |
430 | ||
431 | if (strncmp(opt, name, namelen)) | |
432 | return FALSE; | |
433 | ||
434 | if (opt[namelen] == '=') | |
435 | value = opt + namelen + 1; | |
436 | ||
437 | } else { | |
438 | if (!short_name || opt[1] != short_name) | |
439 | return FALSE; | |
440 | value = opt + 2; | |
441 | } | |
442 | ||
443 | va_start(args, type); | |
444 | if (type == OPT_INT) { | |
445 | number = va_arg(args, int *); | |
446 | if (isdigit(*value)) | |
447 | *number = atoi(value); | |
448 | } | |
449 | va_end(args); | |
450 | ||
451 | return TRUE; | |
452 | } | |
453 | ||
b76c2afc | 454 | /* Returns the index of log or diff command or -1 to exit. */ |
8855ada4 | 455 | static bool |
b76c2afc JF |
456 | parse_options(int argc, char *argv[]) |
457 | { | |
458 | int i; | |
459 | ||
460 | for (i = 1; i < argc; i++) { | |
461 | char *opt = argv[i]; | |
462 | ||
6b161b31 | 463 | if (!strcmp(opt, "-l")) { |
4a2909a7 | 464 | opt_request = REQ_VIEW_LOG; |
6b161b31 JF |
465 | continue; |
466 | } | |
b76c2afc | 467 | |
6b161b31 | 468 | if (!strcmp(opt, "-d")) { |
4a2909a7 | 469 | opt_request = REQ_VIEW_DIFF; |
6b161b31 JF |
470 | continue; |
471 | } | |
b76c2afc | 472 | |
6dbf6c19 | 473 | if (check_option(opt, 'n', "line-number", OPT_INT, &opt_num_interval)) { |
6b161b31 JF |
474 | opt_line_number = TRUE; |
475 | continue; | |
476 | } | |
b76c2afc | 477 | |
6dbf6c19 JF |
478 | if (check_option(opt, 'b', "tab-size", OPT_INT, &opt_tab_size)) { |
479 | opt_tab_size = MIN(opt_tab_size, TABSIZE); | |
6706b2ba JF |
480 | continue; |
481 | } | |
482 | ||
6dbf6c19 | 483 | if (check_option(opt, 'v', "version", OPT_NONE)) { |
b76c2afc | 484 | printf("tig version %s\n", VERSION); |
8855ada4 | 485 | return FALSE; |
6b161b31 | 486 | } |
b76c2afc | 487 | |
6dbf6c19 | 488 | if (check_option(opt, 'h', "help", OPT_NONE)) { |
4b8c01a3 JF |
489 | printf(usage); |
490 | return FALSE; | |
491 | } | |
492 | ||
6908bdbd JF |
493 | if (!strcmp(opt, "--")) { |
494 | i++; | |
495 | break; | |
496 | } | |
03a93dbb | 497 | |
8855ada4 JF |
498 | if (!strcmp(opt, "log") || |
499 | !strcmp(opt, "diff") || | |
500 | !strcmp(opt, "show")) { | |
501 | opt_request = opt[0] == 'l' | |
502 | ? REQ_VIEW_LOG : REQ_VIEW_DIFF; | |
503 | break; | |
504 | } | |
505 | ||
03a93dbb | 506 | if (opt[0] && opt[0] != '-') |
6908bdbd | 507 | break; |
6b161b31 | 508 | |
bf174187 | 509 | die("unknown option '%s'\n\n%s", opt, usage); |
b76c2afc JF |
510 | } |
511 | ||
6908bdbd | 512 | if (!isatty(STDIN_FILENO)) { |
6908bdbd JF |
513 | opt_request = REQ_VIEW_PAGER; |
514 | opt_pipe = stdin; | |
515 | ||
516 | } else if (i < argc) { | |
517 | size_t buf_size; | |
518 | ||
6908bdbd | 519 | if (opt_request == REQ_VIEW_MAIN) |
8855ada4 JF |
520 | /* XXX: This is vulnerable to the user overriding |
521 | * options required for the main view parser. */ | |
6908bdbd JF |
522 | string_copy(opt_cmd, "git log --stat --pretty=raw"); |
523 | else | |
524 | string_copy(opt_cmd, "git"); | |
525 | buf_size = strlen(opt_cmd); | |
526 | ||
527 | while (buf_size < sizeof(opt_cmd) && i < argc) { | |
528 | opt_cmd[buf_size++] = ' '; | |
529 | buf_size = sq_quote(opt_cmd, buf_size, argv[i++]); | |
530 | } | |
531 | ||
532 | if (buf_size >= sizeof(opt_cmd)) | |
533 | die("command too long"); | |
534 | ||
535 | opt_cmd[buf_size] = 0; | |
536 | ||
537 | } | |
538 | ||
afdc35b3 JF |
539 | if (*opt_encoding && strcasecmp(opt_encoding, "UTF-8")) |
540 | opt_utf8 = FALSE; | |
541 | ||
8855ada4 | 542 | return TRUE; |
b76c2afc JF |
543 | } |
544 | ||
545 | ||
54efb62b JF |
546 | /* |
547 | * Line-oriented content detection. | |
548 | */ | |
549 | ||
2e8488b4 | 550 | #define LINE_INFO \ |
660e09ad | 551 | LINE(DIFF_HEADER, "diff --git ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ |
a28bcc22 JF |
552 | LINE(DIFF_CHUNK, "@@", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
553 | LINE(DIFF_ADD, "+", COLOR_GREEN, COLOR_DEFAULT, 0), \ | |
554 | LINE(DIFF_DEL, "-", COLOR_RED, COLOR_DEFAULT, 0), \ | |
660e09ad JF |
555 | LINE(DIFF_INDEX, "index ", COLOR_BLUE, COLOR_DEFAULT, 0), \ |
556 | LINE(DIFF_OLDMODE, "old file mode ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
557 | LINE(DIFF_NEWMODE, "new file mode ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
558 | LINE(DIFF_COPY_FROM, "copy from", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
559 | LINE(DIFF_COPY_TO, "copy to", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
560 | LINE(DIFF_RENAME_FROM, "rename from", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
561 | LINE(DIFF_RENAME_TO, "rename to", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
562 | LINE(DIFF_SIMILARITY, "similarity ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
563 | LINE(DIFF_DISSIMILARITY,"dissimilarity ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
564 | LINE(DIFF_TREE, "diff-tree ", COLOR_BLUE, COLOR_DEFAULT, 0), \ | |
6908bdbd | 565 | LINE(PP_AUTHOR, "Author: ", COLOR_CYAN, COLOR_DEFAULT, 0), \ |
8855ada4 | 566 | LINE(PP_COMMIT, "Commit: ", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
6908bdbd JF |
567 | LINE(PP_MERGE, "Merge: ", COLOR_BLUE, COLOR_DEFAULT, 0), \ |
568 | LINE(PP_DATE, "Date: ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
8855ada4 JF |
569 | LINE(PP_ADATE, "AuthorDate: ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ |
570 | LINE(PP_CDATE, "CommitDate: ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
7b99a34c | 571 | LINE(PP_REFS, "Refs: ", COLOR_RED, COLOR_DEFAULT, 0), \ |
a28bcc22 JF |
572 | LINE(COMMIT, "commit ", COLOR_GREEN, COLOR_DEFAULT, 0), \ |
573 | LINE(PARENT, "parent ", COLOR_BLUE, COLOR_DEFAULT, 0), \ | |
574 | LINE(TREE, "tree ", COLOR_BLUE, COLOR_DEFAULT, 0), \ | |
8855ada4 | 575 | LINE(AUTHOR, "author ", COLOR_CYAN, COLOR_DEFAULT, 0), \ |
a28bcc22 | 576 | LINE(COMMITTER, "committer ", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
a28bcc22 | 577 | LINE(SIGNOFF, " Signed-off-by", COLOR_YELLOW, COLOR_DEFAULT, 0), \ |
d4d8de8f | 578 | LINE(ACKED, " Acked-by", COLOR_YELLOW, COLOR_DEFAULT, 0), \ |
a28bcc22 JF |
579 | LINE(DEFAULT, "", COLOR_DEFAULT, COLOR_DEFAULT, A_NORMAL), \ |
580 | LINE(CURSOR, "", COLOR_WHITE, COLOR_GREEN, A_BOLD), \ | |
581 | LINE(STATUS, "", COLOR_GREEN, COLOR_DEFAULT, 0), \ | |
6b161b31 JF |
582 | LINE(TITLE_BLUR, "", COLOR_WHITE, COLOR_BLUE, 0), \ |
583 | LINE(TITLE_FOCUS, "", COLOR_WHITE, COLOR_BLUE, A_BOLD), \ | |
a28bcc22 JF |
584 | LINE(MAIN_DATE, "", COLOR_BLUE, COLOR_DEFAULT, 0), \ |
585 | LINE(MAIN_AUTHOR, "", COLOR_GREEN, COLOR_DEFAULT, 0), \ | |
586 | LINE(MAIN_COMMIT, "", COLOR_DEFAULT, COLOR_DEFAULT, 0), \ | |
c34d9c9f JF |
587 | LINE(MAIN_DELIM, "", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
588 | LINE(MAIN_TAG, "", COLOR_MAGENTA, COLOR_DEFAULT, A_BOLD), \ | |
660e09ad | 589 | LINE(MAIN_REF, "", COLOR_CYAN, COLOR_DEFAULT, A_BOLD), \ |
e733ee54 JF |
590 | LINE(TREE_DIR, "", COLOR_DEFAULT, COLOR_DEFAULT, A_NORMAL), \ |
591 | LINE(TREE_FILE, "", COLOR_DEFAULT, COLOR_DEFAULT, A_NORMAL) | |
660e09ad | 592 | |
78c70acd | 593 | enum line_type { |
2e8488b4 JF |
594 | #define LINE(type, line, fg, bg, attr) \ |
595 | LINE_##type | |
596 | LINE_INFO | |
597 | #undef LINE | |
78c70acd JF |
598 | }; |
599 | ||
600 | struct line_info { | |
660e09ad JF |
601 | const char *name; /* Option name. */ |
602 | int namelen; /* Size of option name. */ | |
4685845e | 603 | const char *line; /* The start of line to match. */ |
2e8488b4 JF |
604 | int linelen; /* Size of string to match. */ |
605 | int fg, bg, attr; /* Color and text attributes for the lines. */ | |
78c70acd JF |
606 | }; |
607 | ||
2e8488b4 | 608 | static struct line_info line_info[] = { |
78c70acd | 609 | #define LINE(type, line, fg, bg, attr) \ |
660e09ad | 610 | { #type, STRING_SIZE(#type), (line), STRING_SIZE(line), (fg), (bg), (attr) } |
2e8488b4 JF |
611 | LINE_INFO |
612 | #undef LINE | |
78c70acd JF |
613 | }; |
614 | ||
2e8488b4 JF |
615 | static enum line_type |
616 | get_line_type(char *line) | |
78c70acd JF |
617 | { |
618 | int linelen = strlen(line); | |
a28bcc22 | 619 | enum line_type type; |
78c70acd | 620 | |
a28bcc22 | 621 | for (type = 0; type < ARRAY_SIZE(line_info); type++) |
2e8488b4 | 622 | /* Case insensitive search matches Signed-off-by lines better. */ |
a28bcc22 JF |
623 | if (linelen >= line_info[type].linelen && |
624 | !strncasecmp(line_info[type].line, line, line_info[type].linelen)) | |
625 | return type; | |
78c70acd | 626 | |
2e8488b4 | 627 | return LINE_DEFAULT; |
78c70acd JF |
628 | } |
629 | ||
2e8488b4 | 630 | static inline int |
78c70acd JF |
631 | get_line_attr(enum line_type type) |
632 | { | |
2e8488b4 JF |
633 | assert(type < ARRAY_SIZE(line_info)); |
634 | return COLOR_PAIR(type) | line_info[type].attr; | |
78c70acd JF |
635 | } |
636 | ||
660e09ad JF |
637 | static struct line_info * |
638 | get_line_info(char *name, int namelen) | |
639 | { | |
640 | enum line_type type; | |
660e09ad JF |
641 | |
642 | for (type = 0; type < ARRAY_SIZE(line_info); type++) | |
643 | if (namelen == line_info[type].namelen && | |
201f5a18 | 644 | !string_enum_compare(line_info[type].name, name, namelen)) |
660e09ad JF |
645 | return &line_info[type]; |
646 | ||
647 | return NULL; | |
648 | } | |
649 | ||
78c70acd JF |
650 | static void |
651 | init_colors(void) | |
652 | { | |
82e78006 JF |
653 | int default_bg = COLOR_BLACK; |
654 | int default_fg = COLOR_WHITE; | |
a28bcc22 | 655 | enum line_type type; |
78c70acd JF |
656 | |
657 | start_color(); | |
658 | ||
659 | if (use_default_colors() != ERR) { | |
82e78006 JF |
660 | default_bg = -1; |
661 | default_fg = -1; | |
78c70acd JF |
662 | } |
663 | ||
a28bcc22 JF |
664 | for (type = 0; type < ARRAY_SIZE(line_info); type++) { |
665 | struct line_info *info = &line_info[type]; | |
82e78006 JF |
666 | int bg = info->bg == COLOR_DEFAULT ? default_bg : info->bg; |
667 | int fg = info->fg == COLOR_DEFAULT ? default_fg : info->fg; | |
78c70acd | 668 | |
a28bcc22 | 669 | init_pair(type, fg, bg); |
78c70acd JF |
670 | } |
671 | } | |
672 | ||
fe7233c3 JF |
673 | struct line { |
674 | enum line_type type; | |
3c571d67 JF |
675 | |
676 | /* State flags */ | |
677 | unsigned int selected:1; | |
678 | ||
fe7233c3 JF |
679 | void *data; /* User data */ |
680 | }; | |
681 | ||
78c70acd | 682 | |
1899507c | 683 | /* |
37157fa0 JF |
684 | * Keys |
685 | */ | |
686 | ||
93a97d86 | 687 | struct keybinding { |
37157fa0 | 688 | int alias; |
93a97d86 | 689 | enum request request; |
04e2b7b2 | 690 | struct keybinding *next; |
37157fa0 JF |
691 | }; |
692 | ||
93a97d86 | 693 | static struct keybinding default_keybindings[] = { |
37157fa0 JF |
694 | /* View switching */ |
695 | { 'm', REQ_VIEW_MAIN }, | |
696 | { 'd', REQ_VIEW_DIFF }, | |
697 | { 'l', REQ_VIEW_LOG }, | |
e733ee54 | 698 | { 't', REQ_VIEW_TREE }, |
0001fc34 | 699 | { 'f', REQ_VIEW_BLOB }, |
37157fa0 JF |
700 | { 'p', REQ_VIEW_PAGER }, |
701 | { 'h', REQ_VIEW_HELP }, | |
37157fa0 JF |
702 | |
703 | /* View manipulation */ | |
704 | { 'q', REQ_VIEW_CLOSE }, | |
705 | { KEY_TAB, REQ_VIEW_NEXT }, | |
706 | { KEY_RETURN, REQ_ENTER }, | |
707 | { KEY_UP, REQ_PREVIOUS }, | |
708 | { KEY_DOWN, REQ_NEXT }, | |
709 | ||
710 | /* Cursor navigation */ | |
711 | { 'k', REQ_MOVE_UP }, | |
712 | { 'j', REQ_MOVE_DOWN }, | |
713 | { KEY_HOME, REQ_MOVE_FIRST_LINE }, | |
714 | { KEY_END, REQ_MOVE_LAST_LINE }, | |
715 | { KEY_NPAGE, REQ_MOVE_PAGE_DOWN }, | |
716 | { ' ', REQ_MOVE_PAGE_DOWN }, | |
717 | { KEY_PPAGE, REQ_MOVE_PAGE_UP }, | |
718 | { 'b', REQ_MOVE_PAGE_UP }, | |
719 | { '-', REQ_MOVE_PAGE_UP }, | |
720 | ||
721 | /* Scrolling */ | |
722 | { KEY_IC, REQ_SCROLL_LINE_UP }, | |
723 | { KEY_DC, REQ_SCROLL_LINE_DOWN }, | |
724 | { 'w', REQ_SCROLL_PAGE_UP }, | |
725 | { 's', REQ_SCROLL_PAGE_DOWN }, | |
726 | ||
4af34daa JF |
727 | /* Searching */ |
728 | { '/', REQ_SEARCH }, | |
729 | { '?', REQ_SEARCH_BACK }, | |
730 | { 'n', REQ_FIND_NEXT }, | |
731 | { 'N', REQ_FIND_PREV }, | |
732 | ||
37157fa0 JF |
733 | /* Misc */ |
734 | { 'Q', REQ_QUIT }, | |
735 | { 'z', REQ_STOP_LOADING }, | |
736 | { 'v', REQ_SHOW_VERSION }, | |
737 | { 'r', REQ_SCREEN_REDRAW }, | |
904e68d8 | 738 | { '.', REQ_TOGGLE_LINENO }, |
73fb51d5 | 739 | { 'g', REQ_TOGGLE_REV_GRAPH }, |
37157fa0 JF |
740 | { ':', REQ_PROMPT }, |
741 | ||
742 | /* wgetch() with nodelay() enabled returns ERR when there's no input. */ | |
1d754561 | 743 | { ERR, REQ_NONE }, |
37157fa0 | 744 | |
1d754561 | 745 | /* Using the ncurses SIGWINCH handler. */ |
37157fa0 JF |
746 | { KEY_RESIZE, REQ_SCREEN_RESIZE }, |
747 | }; | |
748 | ||
04e2b7b2 JF |
749 | #define KEYMAP_INFO \ |
750 | KEYMAP_(GENERIC), \ | |
751 | KEYMAP_(MAIN), \ | |
752 | KEYMAP_(DIFF), \ | |
753 | KEYMAP_(LOG), \ | |
e733ee54 JF |
754 | KEYMAP_(TREE), \ |
755 | KEYMAP_(BLOB), \ | |
04e2b7b2 JF |
756 | KEYMAP_(PAGER), \ |
757 | KEYMAP_(HELP) \ | |
758 | ||
759 | enum keymap { | |
760 | #define KEYMAP_(name) KEYMAP_##name | |
761 | KEYMAP_INFO | |
762 | #undef KEYMAP_ | |
763 | }; | |
764 | ||
765 | static struct int_map keymap_table[] = { | |
766 | #define KEYMAP_(name) { #name, STRING_SIZE(#name), KEYMAP_##name } | |
767 | KEYMAP_INFO | |
768 | #undef KEYMAP_ | |
769 | }; | |
770 | ||
771 | #define set_keymap(map, name) \ | |
772 | set_from_int_map(keymap_table, ARRAY_SIZE(keymap_table), map, name, strlen(name)) | |
773 | ||
774 | static struct keybinding *keybindings[ARRAY_SIZE(keymap_table)]; | |
775 | ||
776 | static void | |
777 | add_keybinding(enum keymap keymap, enum request request, int key) | |
778 | { | |
779 | struct keybinding *keybinding; | |
780 | ||
781 | keybinding = calloc(1, sizeof(*keybinding)); | |
782 | if (!keybinding) | |
783 | die("Failed to allocate keybinding"); | |
784 | ||
785 | keybinding->alias = key; | |
786 | keybinding->request = request; | |
787 | keybinding->next = keybindings[keymap]; | |
788 | keybindings[keymap] = keybinding; | |
789 | } | |
790 | ||
791 | /* Looks for a key binding first in the given map, then in the generic map, and | |
792 | * lastly in the default keybindings. */ | |
37157fa0 | 793 | static enum request |
04e2b7b2 | 794 | get_keybinding(enum keymap keymap, int key) |
37157fa0 | 795 | { |
04e2b7b2 | 796 | struct keybinding *kbd; |
37157fa0 JF |
797 | int i; |
798 | ||
04e2b7b2 JF |
799 | for (kbd = keybindings[keymap]; kbd; kbd = kbd->next) |
800 | if (kbd->alias == key) | |
801 | return kbd->request; | |
802 | ||
803 | for (kbd = keybindings[KEYMAP_GENERIC]; kbd; kbd = kbd->next) | |
804 | if (kbd->alias == key) | |
805 | return kbd->request; | |
806 | ||
93a97d86 JF |
807 | for (i = 0; i < ARRAY_SIZE(default_keybindings); i++) |
808 | if (default_keybindings[i].alias == key) | |
809 | return default_keybindings[i].request; | |
37157fa0 JF |
810 | |
811 | return (enum request) key; | |
812 | } | |
813 | ||
93a97d86 | 814 | |
37157fa0 JF |
815 | struct key { |
816 | char *name; | |
817 | int value; | |
818 | }; | |
819 | ||
820 | static struct key key_table[] = { | |
821 | { "Enter", KEY_RETURN }, | |
822 | { "Space", ' ' }, | |
823 | { "Backspace", KEY_BACKSPACE }, | |
824 | { "Tab", KEY_TAB }, | |
825 | { "Escape", KEY_ESC }, | |
826 | { "Left", KEY_LEFT }, | |
827 | { "Right", KEY_RIGHT }, | |
828 | { "Up", KEY_UP }, | |
829 | { "Down", KEY_DOWN }, | |
830 | { "Insert", KEY_IC }, | |
831 | { "Delete", KEY_DC }, | |
74f83ee6 | 832 | { "Hash", '#' }, |
37157fa0 JF |
833 | { "Home", KEY_HOME }, |
834 | { "End", KEY_END }, | |
835 | { "PageUp", KEY_PPAGE }, | |
836 | { "PageDown", KEY_NPAGE }, | |
837 | { "F1", KEY_F(1) }, | |
838 | { "F2", KEY_F(2) }, | |
839 | { "F3", KEY_F(3) }, | |
840 | { "F4", KEY_F(4) }, | |
841 | { "F5", KEY_F(5) }, | |
842 | { "F6", KEY_F(6) }, | |
843 | { "F7", KEY_F(7) }, | |
844 | { "F8", KEY_F(8) }, | |
845 | { "F9", KEY_F(9) }, | |
846 | { "F10", KEY_F(10) }, | |
847 | { "F11", KEY_F(11) }, | |
848 | { "F12", KEY_F(12) }, | |
849 | }; | |
850 | ||
04e2b7b2 JF |
851 | static int |
852 | get_key_value(const char *name) | |
853 | { | |
854 | int i; | |
855 | ||
856 | for (i = 0; i < ARRAY_SIZE(key_table); i++) | |
857 | if (!strcasecmp(key_table[i].name, name)) | |
858 | return key_table[i].value; | |
859 | ||
860 | if (strlen(name) == 1 && isprint(*name)) | |
861 | return (int) *name; | |
862 | ||
863 | return ERR; | |
864 | } | |
865 | ||
37157fa0 JF |
866 | static char * |
867 | get_key(enum request request) | |
868 | { | |
869 | static char buf[BUFSIZ]; | |
870 | static char key_char[] = "'X'"; | |
d65ced0d | 871 | size_t pos = 0; |
37157fa0 JF |
872 | char *sep = " "; |
873 | int i; | |
874 | ||
875 | buf[pos] = 0; | |
876 | ||
93a97d86 JF |
877 | for (i = 0; i < ARRAY_SIZE(default_keybindings); i++) { |
878 | struct keybinding *keybinding = &default_keybindings[i]; | |
37157fa0 JF |
879 | char *seq = NULL; |
880 | int key; | |
881 | ||
93a97d86 | 882 | if (keybinding->request != request) |
37157fa0 JF |
883 | continue; |
884 | ||
885 | for (key = 0; key < ARRAY_SIZE(key_table); key++) | |
93a97d86 | 886 | if (key_table[key].value == keybinding->alias) |
37157fa0 JF |
887 | seq = key_table[key].name; |
888 | ||
889 | if (seq == NULL && | |
93a97d86 JF |
890 | keybinding->alias < 127 && |
891 | isprint(keybinding->alias)) { | |
892 | key_char[1] = (char) keybinding->alias; | |
37157fa0 JF |
893 | seq = key_char; |
894 | } | |
895 | ||
896 | if (!seq) | |
897 | seq = "'?'"; | |
898 | ||
899 | if (!string_format_from(buf, &pos, "%s%s", sep, seq)) | |
900 | return "Too many keybindings!"; | |
901 | sep = ", "; | |
902 | } | |
903 | ||
904 | return buf; | |
905 | } | |
906 | ||
907 | ||
908 | /* | |
1899507c JF |
909 | * User config file handling. |
910 | */ | |
911 | ||
5dc795f2 JF |
912 | static struct int_map color_map[] = { |
913 | #define COLOR_MAP(name) { #name, STRING_SIZE(#name), COLOR_##name } | |
914 | COLOR_MAP(DEFAULT), | |
915 | COLOR_MAP(BLACK), | |
916 | COLOR_MAP(BLUE), | |
917 | COLOR_MAP(CYAN), | |
918 | COLOR_MAP(GREEN), | |
919 | COLOR_MAP(MAGENTA), | |
920 | COLOR_MAP(RED), | |
921 | COLOR_MAP(WHITE), | |
922 | COLOR_MAP(YELLOW), | |
923 | }; | |
924 | ||
9256ab05 JF |
925 | #define set_color(color, name) \ |
926 | set_from_int_map(color_map, ARRAY_SIZE(color_map), color, name, strlen(name)) | |
660e09ad | 927 | |
5dc795f2 JF |
928 | static struct int_map attr_map[] = { |
929 | #define ATTR_MAP(name) { #name, STRING_SIZE(#name), A_##name } | |
930 | ATTR_MAP(NORMAL), | |
931 | ATTR_MAP(BLINK), | |
932 | ATTR_MAP(BOLD), | |
933 | ATTR_MAP(DIM), | |
934 | ATTR_MAP(REVERSE), | |
935 | ATTR_MAP(STANDOUT), | |
936 | ATTR_MAP(UNDERLINE), | |
937 | }; | |
938 | ||
9256ab05 JF |
939 | #define set_attribute(attr, name) \ |
940 | set_from_int_map(attr_map, ARRAY_SIZE(attr_map), attr, name, strlen(name)) | |
660e09ad | 941 | |
3c3801c2 JF |
942 | static int config_lineno; |
943 | static bool config_errors; | |
944 | static char *config_msg; | |
945 | ||
5bfd96c7 | 946 | /* Wants: object fgcolor bgcolor [attr] */ |
660e09ad | 947 | static int |
5bfd96c7 | 948 | option_color_command(int argc, char *argv[]) |
660e09ad | 949 | { |
bca8fcaa JF |
950 | struct line_info *info; |
951 | ||
9256ab05 JF |
952 | if (argc != 3 && argc != 4) { |
953 | config_msg = "Wrong number of arguments given to color command"; | |
954 | return ERR; | |
955 | } | |
956 | ||
957 | info = get_line_info(argv[0], strlen(argv[0])); | |
bca8fcaa JF |
958 | if (!info) { |
959 | config_msg = "Unknown color name"; | |
960 | return ERR; | |
961 | } | |
660e09ad | 962 | |
a3653368 JF |
963 | if (set_color(&info->fg, argv[1]) == ERR || |
964 | set_color(&info->bg, argv[2]) == ERR) { | |
bca8fcaa JF |
965 | config_msg = "Unknown color"; |
966 | return ERR; | |
967 | } | |
660e09ad | 968 | |
9256ab05 | 969 | if (argc == 4 && set_attribute(&info->attr, argv[3]) == ERR) { |
bca8fcaa JF |
970 | config_msg = "Unknown attribute"; |
971 | return ERR; | |
660e09ad JF |
972 | } |
973 | ||
bca8fcaa JF |
974 | return OK; |
975 | } | |
976 | ||
5bfd96c7 JF |
977 | /* Wants: name = value */ |
978 | static int | |
979 | option_set_command(int argc, char *argv[]) | |
980 | { | |
981 | if (argc != 3) { | |
982 | config_msg = "Wrong number of arguments given to set command"; | |
983 | return ERR; | |
984 | } | |
985 | ||
986 | if (strcmp(argv[1], "=")) { | |
987 | config_msg = "No value assigned"; | |
988 | return ERR; | |
989 | } | |
990 | ||
991 | if (!strcmp(argv[0], "show-rev-graph")) { | |
992 | opt_rev_graph = (!strcmp(argv[2], "1") || | |
993 | !strcmp(argv[2], "true") || | |
994 | !strcmp(argv[2], "yes")); | |
995 | return OK; | |
996 | } | |
997 | ||
998 | if (!strcmp(argv[0], "line-number-interval")) { | |
999 | opt_num_interval = atoi(argv[2]); | |
1000 | return OK; | |
1001 | } | |
1002 | ||
1003 | if (!strcmp(argv[0], "tab-size")) { | |
1004 | opt_tab_size = atoi(argv[2]); | |
1005 | return OK; | |
1006 | } | |
1007 | ||
cb7267ee | 1008 | if (!strcmp(argv[0], "commit-encoding")) { |
3cc9a4d4 JF |
1009 | char *arg = argv[2]; |
1010 | int delimiter = *arg; | |
1011 | int i; | |
1012 | ||
1013 | switch (delimiter) { | |
1014 | case '"': | |
1015 | case '\'': | |
1016 | for (arg++, i = 0; arg[i]; i++) | |
1017 | if (arg[i] == delimiter) { | |
1018 | arg[i] = 0; | |
1019 | break; | |
1020 | } | |
1021 | default: | |
1022 | string_copy(opt_encoding, arg); | |
1023 | return OK; | |
1024 | } | |
5bfd96c7 JF |
1025 | } |
1026 | ||
a3653368 | 1027 | config_msg = "Unknown variable name"; |
5bfd96c7 JF |
1028 | return ERR; |
1029 | } | |
1030 | ||
04e2b7b2 JF |
1031 | /* Wants: mode request key */ |
1032 | static int | |
1033 | option_bind_command(int argc, char *argv[]) | |
1034 | { | |
1035 | enum request request; | |
1036 | int keymap; | |
1037 | int key; | |
1038 | ||
1039 | if (argc != 3) { | |
1040 | config_msg = "Wrong number of arguments given to bind command"; | |
1041 | return ERR; | |
1042 | } | |
1043 | ||
1044 | if (set_keymap(&keymap, argv[0]) == ERR) { | |
1045 | config_msg = "Unknown key map"; | |
1046 | return ERR; | |
1047 | } | |
1048 | ||
1049 | key = get_key_value(argv[1]); | |
1050 | if (key == ERR) { | |
1051 | config_msg = "Unknown key"; | |
1052 | return ERR; | |
1053 | } | |
1054 | ||
1055 | request = get_request(argv[2]); | |
1056 | if (request == REQ_UNKNOWN) { | |
1057 | config_msg = "Unknown request name"; | |
1058 | return ERR; | |
1059 | } | |
1060 | ||
1061 | add_keybinding(keymap, request, key); | |
1062 | ||
1063 | return OK; | |
1064 | } | |
1065 | ||
bca8fcaa | 1066 | static int |
9256ab05 | 1067 | set_option(char *opt, char *value) |
bca8fcaa | 1068 | { |
9256ab05 JF |
1069 | char *argv[16]; |
1070 | int valuelen; | |
1071 | int argc = 0; | |
1072 | ||
1073 | /* Tokenize */ | |
1074 | while (argc < ARRAY_SIZE(argv) && (valuelen = strcspn(value, " \t"))) { | |
1075 | argv[argc++] = value; | |
1076 | ||
1077 | value += valuelen; | |
1078 | if (!*value) | |
1079 | break; | |
1080 | ||
1081 | *value++ = 0; | |
1082 | while (isspace(*value)) | |
1083 | value++; | |
1084 | } | |
1085 | ||
1086 | if (!strcmp(opt, "color")) | |
5bfd96c7 JF |
1087 | return option_color_command(argc, argv); |
1088 | ||
1089 | if (!strcmp(opt, "set")) | |
1090 | return option_set_command(argc, argv); | |
bca8fcaa | 1091 | |
04e2b7b2 JF |
1092 | if (!strcmp(opt, "bind")) |
1093 | return option_bind_command(argc, argv); | |
1094 | ||
a3653368 | 1095 | config_msg = "Unknown option command"; |
660e09ad JF |
1096 | return ERR; |
1097 | } | |
1098 | ||
1099 | static int | |
3c3801c2 JF |
1100 | read_option(char *opt, int optlen, char *value, int valuelen) |
1101 | { | |
a3653368 JF |
1102 | int status = OK; |
1103 | ||
3c3801c2 JF |
1104 | config_lineno++; |
1105 | config_msg = "Internal error"; | |
1106 | ||
a3653368 JF |
1107 | /* Check for comment markers, since read_properties() will |
1108 | * only ensure opt and value are split at first " \t". */ | |
74f83ee6 | 1109 | optlen = strcspn(opt, "#"); |
a3653368 | 1110 | if (optlen == 0) |
3c3801c2 JF |
1111 | return OK; |
1112 | ||
a3653368 JF |
1113 | if (opt[optlen] != 0) { |
1114 | config_msg = "No option value"; | |
1115 | status = ERR; | |
1116 | ||
1117 | } else { | |
1118 | /* Look for comment endings in the value. */ | |
74f83ee6 | 1119 | int len = strcspn(value, "#"); |
a3653368 JF |
1120 | |
1121 | if (len < valuelen) { | |
1122 | valuelen = len; | |
1123 | value[valuelen] = 0; | |
1124 | } | |
1125 | ||
1126 | status = set_option(opt, value); | |
3c3801c2 JF |
1127 | } |
1128 | ||
a3653368 JF |
1129 | if (status == ERR) { |
1130 | fprintf(stderr, "Error on line %d, near '%.*s': %s\n", | |
3c3801c2 JF |
1131 | config_lineno, optlen, opt, config_msg); |
1132 | config_errors = TRUE; | |
1133 | } | |
1134 | ||
1135 | /* Always keep going if errors are encountered. */ | |
1136 | return OK; | |
1137 | } | |
1138 | ||
1139 | static int | |
660e09ad JF |
1140 | load_options(void) |
1141 | { | |
1142 | char *home = getenv("HOME"); | |
17482b11 | 1143 | char buf[SIZEOF_STR]; |
660e09ad JF |
1144 | FILE *file; |
1145 | ||
3c3801c2 JF |
1146 | config_lineno = 0; |
1147 | config_errors = FALSE; | |
1148 | ||
cc2d1364 | 1149 | if (!home || !string_format(buf, "%s/.tigrc", home)) |
660e09ad JF |
1150 | return ERR; |
1151 | ||
1152 | /* It's ok that the file doesn't exist. */ | |
1153 | file = fopen(buf, "r"); | |
1154 | if (!file) | |
1155 | return OK; | |
1156 | ||
3c3801c2 JF |
1157 | if (read_properties(file, " \t", read_option) == ERR || |
1158 | config_errors == TRUE) | |
1159 | fprintf(stderr, "Errors while loading %s.\n", buf); | |
1160 | ||
1161 | return OK; | |
660e09ad JF |
1162 | } |
1163 | ||
1164 | ||
d839253b | 1165 | /* |
468876c9 | 1166 | * The viewer |
d839253b | 1167 | */ |
c2124ccd JF |
1168 | |
1169 | struct view; | |
fe7233c3 | 1170 | struct view_ops; |
c2124ccd JF |
1171 | |
1172 | /* The display array of active views and the index of the current view. */ | |
1173 | static struct view *display[2]; | |
1174 | static unsigned int current_view; | |
1175 | ||
33c4f9ea | 1176 | #define foreach_displayed_view(view, i) \ |
c2124ccd JF |
1177 | for (i = 0; i < ARRAY_SIZE(display) && (view = display[i]); i++) |
1178 | ||
9f41488f | 1179 | #define displayed_views() (display[1] != NULL ? 2 : 1) |
c2124ccd | 1180 | |
d839253b | 1181 | /* Current head and commit ID */ |
e733ee54 | 1182 | static char ref_blob[SIZEOF_REF] = ""; |
c2124ccd JF |
1183 | static char ref_commit[SIZEOF_REF] = "HEAD"; |
1184 | static char ref_head[SIZEOF_REF] = "HEAD"; | |
1185 | ||
b801d8b2 | 1186 | struct view { |
03a93dbb | 1187 | const char *name; /* View name */ |
4685845e TH |
1188 | const char *cmd_fmt; /* Default command line format */ |
1189 | const char *cmd_env; /* Command line set via environment */ | |
e733ee54 | 1190 | const char *id; /* Points to either of ref_{head,commit,blob} */ |
6b161b31 | 1191 | |
fe7233c3 | 1192 | struct view_ops *ops; /* View operations */ |
22f66b0a | 1193 | |
04e2b7b2 JF |
1194 | enum keymap keymap; /* What keymap does this view have */ |
1195 | ||
17482b11 | 1196 | char cmd[SIZEOF_STR]; /* Command buffer */ |
49f2b43f JF |
1197 | char ref[SIZEOF_REF]; /* Hovered commit reference */ |
1198 | char vid[SIZEOF_REF]; /* View ID. Set to id member when updating. */ | |
2e8488b4 | 1199 | |
8855ada4 JF |
1200 | int height, width; /* The width and height of the main window */ |
1201 | WINDOW *win; /* The main window */ | |
1202 | WINDOW *title; /* The title window living below the main window */ | |
b801d8b2 JF |
1203 | |
1204 | /* Navigation */ | |
1205 | unsigned long offset; /* Offset of the window top */ | |
1206 | unsigned long lineno; /* Current line number */ | |
1207 | ||
4af34daa JF |
1208 | /* Searching */ |
1209 | char grep[SIZEOF_STR]; /* Search string */ | |
b77b2cb8 | 1210 | regex_t *regex; /* Pre-compiled regex */ |
4af34daa | 1211 | |
f6da0b66 JF |
1212 | /* If non-NULL, points to the view that opened this view. If this view |
1213 | * is closed tig will switch back to the parent view. */ | |
1214 | struct view *parent; | |
1215 | ||
b801d8b2 JF |
1216 | /* Buffering */ |
1217 | unsigned long lines; /* Total number of lines */ | |
fe7233c3 | 1218 | struct line *line; /* Line index */ |
e2c01617 | 1219 | unsigned long line_size;/* Total number of allocated lines */ |
8855ada4 | 1220 | unsigned int digits; /* Number of digits in the lines member. */ |
b801d8b2 JF |
1221 | |
1222 | /* Loading */ | |
1223 | FILE *pipe; | |
2e8488b4 | 1224 | time_t start_time; |
b801d8b2 JF |
1225 | }; |
1226 | ||
fe7233c3 JF |
1227 | struct view_ops { |
1228 | /* What type of content being displayed. Used in the title bar. */ | |
1229 | const char *type; | |
1230 | /* Draw one line; @lineno must be < view->height. */ | |
5dcf8064 | 1231 | bool (*draw)(struct view *view, struct line *line, unsigned int lineno, bool selected); |
fe7233c3 | 1232 | /* Read one line; updates view->line. */ |
701e4f5d | 1233 | bool (*read)(struct view *view, char *data); |
fe7233c3 JF |
1234 | /* Depending on view, change display based on current line. */ |
1235 | bool (*enter)(struct view *view, struct line *line); | |
4af34daa JF |
1236 | /* Search for regex in a line. */ |
1237 | bool (*grep)(struct view *view, struct line *line); | |
d720de4b JF |
1238 | /* Select line */ |
1239 | void (*select)(struct view *view, struct line *line); | |
fe7233c3 JF |
1240 | }; |
1241 | ||
6b161b31 JF |
1242 | static struct view_ops pager_ops; |
1243 | static struct view_ops main_ops; | |
e733ee54 JF |
1244 | static struct view_ops tree_ops; |
1245 | static struct view_ops blob_ops; | |
a28bcc22 | 1246 | |
04e2b7b2 JF |
1247 | #define VIEW_STR(name, cmd, env, ref, ops, map) \ |
1248 | { name, cmd, #env, ref, ops, map} | |
1ba2ae4b | 1249 | |
95d7ddcd | 1250 | #define VIEW_(id, name, ops, ref) \ |
04e2b7b2 | 1251 | VIEW_STR(name, TIG_##id##_CMD, TIG_##id##_CMD, ref, ops, KEYMAP_##id) |
1ba2ae4b | 1252 | |
c2124ccd | 1253 | |
b801d8b2 | 1254 | static struct view views[] = { |
95d7ddcd JF |
1255 | VIEW_(MAIN, "main", &main_ops, ref_head), |
1256 | VIEW_(DIFF, "diff", &pager_ops, ref_commit), | |
1257 | VIEW_(LOG, "log", &pager_ops, ref_head), | |
e733ee54 JF |
1258 | VIEW_(TREE, "tree", &tree_ops, ref_commit), |
1259 | VIEW_(BLOB, "blob", &blob_ops, ref_blob), | |
95d7ddcd JF |
1260 | VIEW_(HELP, "help", &pager_ops, "static"), |
1261 | VIEW_(PAGER, "pager", &pager_ops, "static"), | |
b801d8b2 JF |
1262 | }; |
1263 | ||
a28bcc22 JF |
1264 | #define VIEW(req) (&views[(req) - REQ_OFFSET - 1]) |
1265 | ||
699ae55b JF |
1266 | #define foreach_view(view, i) \ |
1267 | for (i = 0; i < ARRAY_SIZE(views) && (view = &views[i]); i++) | |
1268 | ||
1269 | #define view_is_displayed(view) \ | |
1270 | (view == display[0] || view == display[1]) | |
4c6fabc2 | 1271 | |
fe7233c3 JF |
1272 | static bool |
1273 | draw_view_line(struct view *view, unsigned int lineno) | |
1274 | { | |
d720de4b | 1275 | struct line *line; |
5dcf8064 | 1276 | bool selected = (view->offset + lineno == view->lineno); |
d720de4b | 1277 | |
699ae55b JF |
1278 | assert(view_is_displayed(view)); |
1279 | ||
fe7233c3 JF |
1280 | if (view->offset + lineno >= view->lines) |
1281 | return FALSE; | |
1282 | ||
d720de4b JF |
1283 | line = &view->line[view->offset + lineno]; |
1284 | ||
3c571d67 JF |
1285 | if (selected) { |
1286 | line->selected = TRUE; | |
d720de4b | 1287 | view->ops->select(view, line); |
3c571d67 JF |
1288 | } else if (line->selected) { |
1289 | line->selected = FALSE; | |
1290 | wmove(view->win, lineno, 0); | |
1291 | wclrtoeol(view->win); | |
1292 | } | |
d720de4b | 1293 | |
5dcf8064 | 1294 | return view->ops->draw(view, line, lineno, selected); |
fe7233c3 JF |
1295 | } |
1296 | ||
b801d8b2 | 1297 | static void |
82e78006 | 1298 | redraw_view_from(struct view *view, int lineno) |
b801d8b2 | 1299 | { |
82e78006 | 1300 | assert(0 <= lineno && lineno < view->height); |
b801d8b2 | 1301 | |
82e78006 | 1302 | for (; lineno < view->height; lineno++) { |
fe7233c3 | 1303 | if (!draw_view_line(view, lineno)) |
fd85fef1 | 1304 | break; |
b801d8b2 JF |
1305 | } |
1306 | ||
1307 | redrawwin(view->win); | |
1308 | wrefresh(view->win); | |
1309 | } | |
1310 | ||
b76c2afc | 1311 | static void |
82e78006 JF |
1312 | redraw_view(struct view *view) |
1313 | { | |
1314 | wclear(view->win); | |
1315 | redraw_view_from(view, 0); | |
1316 | } | |
1317 | ||
c2124ccd | 1318 | |
6b161b31 | 1319 | static void |
81030ec8 JF |
1320 | update_view_title(struct view *view) |
1321 | { | |
699ae55b JF |
1322 | assert(view_is_displayed(view)); |
1323 | ||
81030ec8 JF |
1324 | if (view == display[current_view]) |
1325 | wbkgdset(view->title, get_line_attr(LINE_TITLE_FOCUS)); | |
1326 | else | |
1327 | wbkgdset(view->title, get_line_attr(LINE_TITLE_BLUR)); | |
1328 | ||
1329 | werase(view->title); | |
1330 | wmove(view->title, 0, 0); | |
1331 | ||
81030ec8 JF |
1332 | if (*view->ref) |
1333 | wprintw(view->title, "[%s] %s", view->name, view->ref); | |
1334 | else | |
1335 | wprintw(view->title, "[%s]", view->name); | |
1336 | ||
c19f8017 | 1337 | if (view->lines || view->pipe) { |
6d9c07af | 1338 | unsigned int view_lines = view->offset + view->height; |
c19f8017 | 1339 | unsigned int lines = view->lines |
6d9c07af | 1340 | ? MIN(view_lines, view->lines) * 100 / view->lines |
c19f8017 JF |
1341 | : 0; |
1342 | ||
81030ec8 JF |
1343 | wprintw(view->title, " - %s %d of %d (%d%%)", |
1344 | view->ops->type, | |
1345 | view->lineno + 1, | |
1346 | view->lines, | |
c19f8017 | 1347 | lines); |
81030ec8 JF |
1348 | } |
1349 | ||
f97f4012 JF |
1350 | if (view->pipe) { |
1351 | time_t secs = time(NULL) - view->start_time; | |
1352 | ||
1353 | /* Three git seconds are a long time ... */ | |
1354 | if (secs > 2) | |
1355 | wprintw(view->title, " %lds", secs); | |
1356 | } | |
1357 | ||
976447f8 | 1358 | wmove(view->title, 0, view->width - 1); |
81030ec8 JF |
1359 | wrefresh(view->title); |
1360 | } | |
1361 | ||
1362 | static void | |
6b161b31 | 1363 | resize_display(void) |
b76c2afc | 1364 | { |
03a93dbb | 1365 | int offset, i; |
6b161b31 JF |
1366 | struct view *base = display[0]; |
1367 | struct view *view = display[1] ? display[1] : display[0]; | |
b76c2afc | 1368 | |
6b161b31 | 1369 | /* Setup window dimensions */ |
b76c2afc | 1370 | |
03a93dbb | 1371 | getmaxyx(stdscr, base->height, base->width); |
b76c2afc | 1372 | |
6b161b31 | 1373 | /* Make room for the status window. */ |
03a93dbb | 1374 | base->height -= 1; |
6b161b31 JF |
1375 | |
1376 | if (view != base) { | |
03a93dbb JF |
1377 | /* Horizontal split. */ |
1378 | view->width = base->width; | |
6b161b31 JF |
1379 | view->height = SCALE_SPLIT_VIEW(base->height); |
1380 | base->height -= view->height; | |
1381 | ||
1382 | /* Make room for the title bar. */ | |
1383 | view->height -= 1; | |
1384 | } | |
1385 | ||
1386 | /* Make room for the title bar. */ | |
1387 | base->height -= 1; | |
1388 | ||
1389 | offset = 0; | |
1390 | ||
33c4f9ea | 1391 | foreach_displayed_view (view, i) { |
b76c2afc | 1392 | if (!view->win) { |
c19f8017 | 1393 | view->win = newwin(view->height, 0, offset, 0); |
6b161b31 JF |
1394 | if (!view->win) |
1395 | die("Failed to create %s view", view->name); | |
1396 | ||
1397 | scrollok(view->win, TRUE); | |
1398 | ||
1399 | view->title = newwin(1, 0, offset + view->height, 0); | |
1400 | if (!view->title) | |
1401 | die("Failed to create title window"); | |
1402 | ||
1403 | } else { | |
c19f8017 | 1404 | wresize(view->win, view->height, view->width); |
6b161b31 JF |
1405 | mvwin(view->win, offset, 0); |
1406 | mvwin(view->title, offset + view->height, 0); | |
a28bcc22 | 1407 | } |
a28bcc22 | 1408 | |
6b161b31 | 1409 | offset += view->height + 1; |
b76c2afc | 1410 | } |
6b161b31 | 1411 | } |
b76c2afc | 1412 | |
6b161b31 | 1413 | static void |
20bb5e18 JF |
1414 | redraw_display(void) |
1415 | { | |
1416 | struct view *view; | |
1417 | int i; | |
1418 | ||
33c4f9ea | 1419 | foreach_displayed_view (view, i) { |
20bb5e18 JF |
1420 | redraw_view(view); |
1421 | update_view_title(view); | |
1422 | } | |
1423 | } | |
1424 | ||
85af6284 JF |
1425 | static void |
1426 | update_display_cursor(void) | |
1427 | { | |
1428 | struct view *view = display[current_view]; | |
1429 | ||
1430 | /* Move the cursor to the right-most column of the cursor line. | |
1431 | * | |
1432 | * XXX: This could turn out to be a bit expensive, but it ensures that | |
1433 | * the cursor does not jump around. */ | |
1434 | if (view->lines) { | |
1435 | wmove(view->win, view->lineno - view->offset, view->width - 1); | |
1436 | wrefresh(view->win); | |
1437 | } | |
1438 | } | |
20bb5e18 | 1439 | |
2e8488b4 JF |
1440 | /* |
1441 | * Navigation | |
1442 | */ | |
1443 | ||
4a2909a7 | 1444 | /* Scrolling backend */ |
b801d8b2 | 1445 | static void |
8c317212 | 1446 | do_scroll_view(struct view *view, int lines) |
b801d8b2 | 1447 | { |
a0087dd5 JF |
1448 | bool redraw_current_line = FALSE; |
1449 | ||
fd85fef1 JF |
1450 | /* The rendering expects the new offset. */ |
1451 | view->offset += lines; | |
1452 | ||
1453 | assert(0 <= view->offset && view->offset < view->lines); | |
1454 | assert(lines); | |
b801d8b2 | 1455 | |
a0087dd5 JF |
1456 | /* Move current line into the view. */ |
1457 | if (view->lineno < view->offset) { | |
1458 | view->lineno = view->offset; | |
1459 | redraw_current_line = TRUE; | |
1460 | } else if (view->lineno >= view->offset + view->height) { | |
1461 | view->lineno = view->offset + view->height - 1; | |
1462 | redraw_current_line = TRUE; | |
1463 | } | |
1464 | ||
1465 | assert(view->offset <= view->lineno && view->lineno < view->lines); | |
1466 | ||
82e78006 | 1467 | /* Redraw the whole screen if scrolling is pointless. */ |
4c6fabc2 | 1468 | if (view->height < ABS(lines)) { |
b76c2afc JF |
1469 | redraw_view(view); |
1470 | ||
1471 | } else { | |
22f66b0a | 1472 | int line = lines > 0 ? view->height - lines : 0; |
82e78006 | 1473 | int end = line + ABS(lines); |
fd85fef1 JF |
1474 | |
1475 | wscrl(view->win, lines); | |
1476 | ||
22f66b0a | 1477 | for (; line < end; line++) { |
fe7233c3 | 1478 | if (!draw_view_line(view, line)) |
fd85fef1 JF |
1479 | break; |
1480 | } | |
fd85fef1 | 1481 | |
a0087dd5 JF |
1482 | if (redraw_current_line) |
1483 | draw_view_line(view, view->lineno - view->offset); | |
fd85fef1 JF |
1484 | } |
1485 | ||
fd85fef1 JF |
1486 | redrawwin(view->win); |
1487 | wrefresh(view->win); | |
9d3f5834 | 1488 | report(""); |
fd85fef1 | 1489 | } |
78c70acd | 1490 | |
4a2909a7 | 1491 | /* Scroll frontend */ |
fd85fef1 | 1492 | static void |
6b161b31 | 1493 | scroll_view(struct view *view, enum request request) |
fd85fef1 JF |
1494 | { |
1495 | int lines = 1; | |
b801d8b2 | 1496 | |
8c317212 JF |
1497 | assert(view_is_displayed(view)); |
1498 | ||
b801d8b2 | 1499 | switch (request) { |
4a2909a7 | 1500 | case REQ_SCROLL_PAGE_DOWN: |
fd85fef1 | 1501 | lines = view->height; |
4a2909a7 | 1502 | case REQ_SCROLL_LINE_DOWN: |
b801d8b2 | 1503 | if (view->offset + lines > view->lines) |
bde3653a | 1504 | lines = view->lines - view->offset; |
b801d8b2 | 1505 | |
fd85fef1 | 1506 | if (lines == 0 || view->offset + view->height >= view->lines) { |
eb98559e | 1507 | report("Cannot scroll beyond the last line"); |
b801d8b2 JF |
1508 | return; |
1509 | } | |
1510 | break; | |
1511 | ||
4a2909a7 | 1512 | case REQ_SCROLL_PAGE_UP: |
fd85fef1 | 1513 | lines = view->height; |
4a2909a7 | 1514 | case REQ_SCROLL_LINE_UP: |
b801d8b2 JF |
1515 | if (lines > view->offset) |
1516 | lines = view->offset; | |
1517 | ||
1518 | if (lines == 0) { | |
eb98559e | 1519 | report("Cannot scroll beyond the first line"); |
b801d8b2 JF |
1520 | return; |
1521 | } | |
1522 | ||
fd85fef1 | 1523 | lines = -lines; |
b801d8b2 | 1524 | break; |
03a93dbb | 1525 | |
6b161b31 JF |
1526 | default: |
1527 | die("request %d not handled in switch", request); | |
b801d8b2 JF |
1528 | } |
1529 | ||
8c317212 | 1530 | do_scroll_view(view, lines); |
fd85fef1 | 1531 | } |
b801d8b2 | 1532 | |
4a2909a7 | 1533 | /* Cursor moving */ |
fd85fef1 | 1534 | static void |
8522ecc7 | 1535 | move_view(struct view *view, enum request request) |
fd85fef1 | 1536 | { |
dfaa6c81 | 1537 | int scroll_steps = 0; |
fd85fef1 | 1538 | int steps; |
b801d8b2 | 1539 | |
fd85fef1 | 1540 | switch (request) { |
4a2909a7 | 1541 | case REQ_MOVE_FIRST_LINE: |
78c70acd JF |
1542 | steps = -view->lineno; |
1543 | break; | |
1544 | ||
4a2909a7 | 1545 | case REQ_MOVE_LAST_LINE: |
78c70acd JF |
1546 | steps = view->lines - view->lineno - 1; |
1547 | break; | |
1548 | ||
4a2909a7 | 1549 | case REQ_MOVE_PAGE_UP: |
78c70acd JF |
1550 | steps = view->height > view->lineno |
1551 | ? -view->lineno : -view->height; | |
1552 | break; | |
1553 | ||
4a2909a7 | 1554 | case REQ_MOVE_PAGE_DOWN: |
78c70acd JF |
1555 | steps = view->lineno + view->height >= view->lines |
1556 | ? view->lines - view->lineno - 1 : view->height; | |
1557 | break; | |
1558 | ||
4a2909a7 | 1559 | case REQ_MOVE_UP: |
fd85fef1 JF |
1560 | steps = -1; |
1561 | break; | |
b801d8b2 | 1562 | |
4a2909a7 | 1563 | case REQ_MOVE_DOWN: |
fd85fef1 JF |
1564 | steps = 1; |
1565 | break; | |
6b161b31 JF |
1566 | |
1567 | default: | |
1568 | die("request %d not handled in switch", request); | |
78c70acd | 1569 | } |
b801d8b2 | 1570 | |
4c6fabc2 | 1571 | if (steps <= 0 && view->lineno == 0) { |
eb98559e | 1572 | report("Cannot move beyond the first line"); |
78c70acd | 1573 | return; |
b801d8b2 | 1574 | |
6908bdbd | 1575 | } else if (steps >= 0 && view->lineno + 1 >= view->lines) { |
eb98559e | 1576 | report("Cannot move beyond the last line"); |
78c70acd | 1577 | return; |
fd85fef1 JF |
1578 | } |
1579 | ||
4c6fabc2 | 1580 | /* Move the current line */ |
fd85fef1 | 1581 | view->lineno += steps; |
4c6fabc2 JF |
1582 | assert(0 <= view->lineno && view->lineno < view->lines); |
1583 | ||
4c6fabc2 | 1584 | /* Check whether the view needs to be scrolled */ |
fd85fef1 JF |
1585 | if (view->lineno < view->offset || |
1586 | view->lineno >= view->offset + view->height) { | |
dfaa6c81 | 1587 | scroll_steps = steps; |
fd85fef1 | 1588 | if (steps < 0 && -steps > view->offset) { |
dfaa6c81 | 1589 | scroll_steps = -view->offset; |
b76c2afc JF |
1590 | |
1591 | } else if (steps > 0) { | |
1592 | if (view->lineno == view->lines - 1 && | |
1593 | view->lines > view->height) { | |
dfaa6c81 JF |
1594 | scroll_steps = view->lines - view->offset - 1; |
1595 | if (scroll_steps >= view->height) | |
1596 | scroll_steps -= view->height - 1; | |
b76c2afc | 1597 | } |
b801d8b2 | 1598 | } |
8522ecc7 JF |
1599 | } |
1600 | ||
1601 | if (!view_is_displayed(view)) { | |
1602 | view->offset += steps; | |
1603 | view->ops->select(view, &view->line[view->lineno]); | |
1604 | return; | |
1605 | } | |
1606 | ||
1607 | /* Repaint the old "current" line if we be scrolling */ | |
1608 | if (ABS(steps) < view->height) | |
1609 | draw_view_line(view, view->lineno - steps - view->offset); | |
1610 | ||
dfaa6c81 JF |
1611 | if (scroll_steps) { |
1612 | do_scroll_view(view, scroll_steps); | |
fd85fef1 | 1613 | return; |
b801d8b2 JF |
1614 | } |
1615 | ||
4c6fabc2 | 1616 | /* Draw the current line */ |
fe7233c3 | 1617 | draw_view_line(view, view->lineno - view->offset); |
fd85fef1 | 1618 | |
b801d8b2 JF |
1619 | redrawwin(view->win); |
1620 | wrefresh(view->win); | |
9d3f5834 | 1621 | report(""); |
b801d8b2 JF |
1622 | } |
1623 | ||
b801d8b2 | 1624 | |
2e8488b4 | 1625 | /* |
4af34daa JF |
1626 | * Searching |
1627 | */ | |
1628 | ||
c02d8fce | 1629 | static void search_view(struct view *view, enum request request); |
4af34daa JF |
1630 | |
1631 | static bool | |
1632 | find_next_line(struct view *view, unsigned long lineno, struct line *line) | |
1633 | { | |
699ae55b JF |
1634 | assert(view_is_displayed(view)); |
1635 | ||
4af34daa JF |
1636 | if (!view->ops->grep(view, line)) |
1637 | return FALSE; | |
1638 | ||
1639 | if (lineno - view->offset >= view->height) { | |
1640 | view->offset = lineno; | |
1641 | view->lineno = lineno; | |
1642 | redraw_view(view); | |
1643 | ||
1644 | } else { | |
1645 | unsigned long old_lineno = view->lineno - view->offset; | |
1646 | ||
1647 | view->lineno = lineno; | |
4af34daa JF |
1648 | draw_view_line(view, old_lineno); |
1649 | ||
1650 | draw_view_line(view, view->lineno - view->offset); | |
1651 | redrawwin(view->win); | |
1652 | wrefresh(view->win); | |
1653 | } | |
1654 | ||
1655 | report("Line %ld matches '%s'", lineno + 1, view->grep); | |
1656 | return TRUE; | |
1657 | } | |
1658 | ||
1659 | static void | |
1660 | find_next(struct view *view, enum request request) | |
1661 | { | |
1662 | unsigned long lineno = view->lineno; | |
1663 | int direction; | |
1664 | ||
1665 | if (!*view->grep) { | |
1666 | if (!*opt_search) | |
1667 | report("No previous search"); | |
1668 | else | |
c02d8fce | 1669 | search_view(view, request); |
4af34daa JF |
1670 | return; |
1671 | } | |
1672 | ||
1673 | switch (request) { | |
1674 | case REQ_SEARCH: | |
1675 | case REQ_FIND_NEXT: | |
1676 | direction = 1; | |
1677 | break; | |
1678 | ||
1679 | case REQ_SEARCH_BACK: | |
1680 | case REQ_FIND_PREV: | |
1681 | direction = -1; | |
1682 | break; | |
1683 | ||
1684 | default: | |
1685 | return; | |
1686 | } | |
1687 | ||
1688 | if (request == REQ_FIND_NEXT || request == REQ_FIND_PREV) | |
1689 | lineno += direction; | |
1690 | ||
1691 | /* Note, lineno is unsigned long so will wrap around in which case it | |
1692 | * will become bigger than view->lines. */ | |
1693 | for (; lineno < view->lines; lineno += direction) { | |
1694 | struct line *line = &view->line[lineno]; | |
1695 | ||
1696 | if (find_next_line(view, lineno, line)) | |
1697 | return; | |
1698 | } | |
1699 | ||
1700 | report("No match found for '%s'", view->grep); | |
1701 | } | |
1702 | ||
1703 | static void | |
c02d8fce | 1704 | search_view(struct view *view, enum request request) |
4af34daa JF |
1705 | { |
1706 | int regex_err; | |
1707 | ||
b77b2cb8 JF |
1708 | if (view->regex) { |
1709 | regfree(view->regex); | |
4af34daa | 1710 | *view->grep = 0; |
b77b2cb8 JF |
1711 | } else { |
1712 | view->regex = calloc(1, sizeof(*view->regex)); | |
1713 | if (!view->regex) | |
1714 | return; | |
4af34daa JF |
1715 | } |
1716 | ||
c02d8fce | 1717 | regex_err = regcomp(view->regex, opt_search, REG_EXTENDED); |
4af34daa JF |
1718 | if (regex_err != 0) { |
1719 | char buf[SIZEOF_STR] = "unknown error"; | |
1720 | ||
b77b2cb8 | 1721 | regerror(regex_err, view->regex, buf, sizeof(buf)); |
e9cacd58 | 1722 | report("Search failed: %s", buf); |
4af34daa JF |
1723 | return; |
1724 | } | |
1725 | ||
c02d8fce | 1726 | string_copy(view->grep, opt_search); |
4af34daa JF |
1727 | |
1728 | find_next(view, request); | |
1729 | } | |
1730 | ||
1731 | /* | |
2e8488b4 JF |
1732 | * Incremental updating |
1733 | */ | |
b801d8b2 | 1734 | |
199d1288 JF |
1735 | static void |
1736 | end_update(struct view *view) | |
1737 | { | |
1738 | if (!view->pipe) | |
1739 | return; | |
1740 | set_nonblocking_input(FALSE); | |
1741 | if (view->pipe == stdin) | |
1742 | fclose(view->pipe); | |
1743 | else | |
1744 | pclose(view->pipe); | |
1745 | view->pipe = NULL; | |
1746 | } | |
1747 | ||
03a93dbb | 1748 | static bool |
b801d8b2 JF |
1749 | begin_update(struct view *view) |
1750 | { | |
4685845e | 1751 | const char *id = view->id; |
fd85fef1 | 1752 | |
199d1288 JF |
1753 | if (view->pipe) |
1754 | end_update(view); | |
1755 | ||
03a93dbb JF |
1756 | if (opt_cmd[0]) { |
1757 | string_copy(view->cmd, opt_cmd); | |
1758 | opt_cmd[0] = 0; | |
8855ada4 JF |
1759 | /* When running random commands, the view ref could have become |
1760 | * invalid so clear it. */ | |
1761 | view->ref[0] = 0; | |
e733ee54 JF |
1762 | |
1763 | } else if (view == VIEW(REQ_VIEW_TREE)) { | |
1764 | const char *format = view->cmd_env ? view->cmd_env : view->cmd_fmt; | |
1765 | ||
1766 | if (strcmp(view->vid, view->id)) | |
1767 | opt_path[0] = 0; | |
1768 | ||
4ea4ce91 | 1769 | if (!string_format(view->cmd, format, id, opt_path)) |
e733ee54 JF |
1770 | return FALSE; |
1771 | ||
03a93dbb | 1772 | } else { |
4685845e | 1773 | const char *format = view->cmd_env ? view->cmd_env : view->cmd_fmt; |
1ba2ae4b | 1774 | |
cc2d1364 | 1775 | if (!string_format(view->cmd, format, id, id, id, id, id)) |
03a93dbb JF |
1776 | return FALSE; |
1777 | } | |
b801d8b2 | 1778 | |
6908bdbd JF |
1779 | /* Special case for the pager view. */ |
1780 | if (opt_pipe) { | |
1781 | view->pipe = opt_pipe; | |
1782 | opt_pipe = NULL; | |
1783 | } else { | |
1784 | view->pipe = popen(view->cmd, "r"); | |
1785 | } | |
1786 | ||
2e8488b4 JF |
1787 | if (!view->pipe) |
1788 | return FALSE; | |
b801d8b2 | 1789 | |
6b161b31 | 1790 | set_nonblocking_input(TRUE); |
b801d8b2 JF |
1791 | |
1792 | view->offset = 0; | |
1793 | view->lines = 0; | |
1794 | view->lineno = 0; | |
49f2b43f | 1795 | string_copy(view->vid, id); |
b801d8b2 | 1796 | |
2e8488b4 JF |
1797 | if (view->line) { |
1798 | int i; | |
1799 | ||
1800 | for (i = 0; i < view->lines; i++) | |
fe7233c3 JF |
1801 | if (view->line[i].data) |
1802 | free(view->line[i].data); | |
2e8488b4 JF |
1803 | |
1804 | free(view->line); | |
1805 | view->line = NULL; | |
1806 | } | |
1807 | ||
1808 | view->start_time = time(NULL); | |
1809 | ||
b801d8b2 JF |
1810 | return TRUE; |
1811 | } | |
1812 | ||
e2c01617 JF |
1813 | static struct line * |
1814 | realloc_lines(struct view *view, size_t line_size) | |
1815 | { | |
1816 | struct line *tmp = realloc(view->line, sizeof(*view->line) * line_size); | |
1817 | ||
1818 | if (!tmp) | |
1819 | return NULL; | |
1820 | ||
1821 | view->line = tmp; | |
1822 | view->line_size = line_size; | |
1823 | return view->line; | |
1824 | } | |
1825 | ||
03a93dbb | 1826 | static bool |
b801d8b2 JF |
1827 | update_view(struct view *view) |
1828 | { | |
6b68fd24 JF |
1829 | char in_buffer[BUFSIZ]; |
1830 | char out_buffer[BUFSIZ * 2]; | |
b801d8b2 | 1831 | char *line; |
82e78006 JF |
1832 | /* The number of lines to read. If too low it will cause too much |
1833 | * redrawing (and possible flickering), if too high responsiveness | |
1834 | * will suffer. */ | |
8855ada4 | 1835 | unsigned long lines = view->height; |
82e78006 | 1836 | int redraw_from = -1; |
b801d8b2 JF |
1837 | |
1838 | if (!view->pipe) | |
1839 | return TRUE; | |
1840 | ||
82e78006 JF |
1841 | /* Only redraw if lines are visible. */ |
1842 | if (view->offset + view->height >= view->lines) | |
1843 | redraw_from = view->lines - view->offset; | |
b801d8b2 | 1844 | |
699ae55b | 1845 | /* FIXME: This is probably not perfect for backgrounded views. */ |
e2c01617 | 1846 | if (!realloc_lines(view, view->lines + lines)) |
b801d8b2 JF |
1847 | goto alloc_error; |
1848 | ||
6b68fd24 JF |
1849 | while ((line = fgets(in_buffer, sizeof(in_buffer), view->pipe))) { |
1850 | size_t linelen = strlen(line); | |
b801d8b2 | 1851 | |
b801d8b2 JF |
1852 | if (linelen) |
1853 | line[linelen - 1] = 0; | |
1854 | ||
6b68fd24 JF |
1855 | if (opt_iconv != ICONV_NONE) { |
1856 | char *inbuf = line; | |
1857 | size_t inlen = linelen; | |
1858 | ||
1859 | char *outbuf = out_buffer; | |
1860 | size_t outlen = sizeof(out_buffer); | |
1861 | ||
1862 | size_t ret; | |
1863 | ||
1864 | ret = iconv(opt_iconv, &inbuf, &inlen, &outbuf, &outlen); | |
1865 | if (ret != (size_t) -1) { | |
1866 | line = out_buffer; | |
1867 | linelen = strlen(out_buffer); | |
1868 | } | |
1869 | } | |
1870 | ||
701e4f5d | 1871 | if (!view->ops->read(view, line)) |
b801d8b2 | 1872 | goto alloc_error; |
fd85fef1 JF |
1873 | |
1874 | if (lines-- == 1) | |
1875 | break; | |
b801d8b2 JF |
1876 | } |
1877 | ||
8855ada4 JF |
1878 | { |
1879 | int digits; | |
1880 | ||
1881 | lines = view->lines; | |
1882 | for (digits = 0; lines; digits++) | |
1883 | lines /= 10; | |
1884 | ||
1885 | /* Keep the displayed view in sync with line number scaling. */ | |
1886 | if (digits != view->digits) { | |
1887 | view->digits = digits; | |
1888 | redraw_from = 0; | |
1889 | } | |
1890 | } | |
1891 | ||
699ae55b JF |
1892 | if (!view_is_displayed(view)) |
1893 | goto check_pipe; | |
1894 | ||
e733ee54 JF |
1895 | if (view == VIEW(REQ_VIEW_TREE)) { |
1896 | /* Clear the view and redraw everything since the tree sorting | |
1897 | * might have rearranged things. */ | |
1898 | redraw_view(view); | |
1899 | ||
1900 | } else if (redraw_from >= 0) { | |
82e78006 | 1901 | /* If this is an incremental update, redraw the previous line |
a28bcc22 JF |
1902 | * since for commits some members could have changed when |
1903 | * loading the main view. */ | |
82e78006 JF |
1904 | if (redraw_from > 0) |
1905 | redraw_from--; | |
1906 | ||
1907 | /* Incrementally draw avoids flickering. */ | |
1908 | redraw_view_from(view, redraw_from); | |
4c6fabc2 | 1909 | } |
b801d8b2 | 1910 | |
eb98559e JF |
1911 | /* Update the title _after_ the redraw so that if the redraw picks up a |
1912 | * commit reference in view->ref it'll be available here. */ | |
1913 | update_view_title(view); | |
1914 | ||
699ae55b | 1915 | check_pipe: |
b801d8b2 | 1916 | if (ferror(view->pipe)) { |
03a93dbb | 1917 | report("Failed to read: %s", strerror(errno)); |
b801d8b2 JF |
1918 | goto end; |
1919 | ||
1920 | } else if (feof(view->pipe)) { | |
f97f4012 | 1921 | report(""); |
b801d8b2 JF |
1922 | goto end; |
1923 | } | |
1924 | ||
1925 | return TRUE; | |
1926 | ||
1927 | alloc_error: | |
2e8488b4 | 1928 | report("Allocation failure"); |
b801d8b2 JF |
1929 | |
1930 | end: | |
be04d936 | 1931 | view->ops->read(view, NULL); |
b801d8b2 JF |
1932 | end_update(view); |
1933 | return FALSE; | |
1934 | } | |
1935 | ||
79d445ca | 1936 | |
e10154d5 JF |
1937 | /* |
1938 | * View opening | |
1939 | */ | |
1940 | ||
79d445ca JF |
1941 | static void open_help_view(struct view *view) |
1942 | { | |
1943 | char buf[BUFSIZ]; | |
1944 | int lines = ARRAY_SIZE(req_info) + 2; | |
1945 | int i; | |
1946 | ||
1947 | if (view->lines > 0) | |
1948 | return; | |
1949 | ||
1950 | for (i = 0; i < ARRAY_SIZE(req_info); i++) | |
1951 | if (!req_info[i].request) | |
1952 | lines++; | |
1953 | ||
1954 | view->line = calloc(lines, sizeof(*view->line)); | |
1955 | if (!view->line) { | |
1956 | report("Allocation failure"); | |
1957 | return; | |
1958 | } | |
1959 | ||
1960 | view->ops->read(view, "Quick reference for tig keybindings:"); | |
1961 | ||
1962 | for (i = 0; i < ARRAY_SIZE(req_info); i++) { | |
1963 | char *key; | |
1964 | ||
1965 | if (!req_info[i].request) { | |
1966 | view->ops->read(view, ""); | |
1967 | view->ops->read(view, req_info[i].help); | |
1968 | continue; | |
1969 | } | |
1970 | ||
1971 | key = get_key(req_info[i].request); | |
1972 | if (!string_format(buf, "%-25s %s", key, req_info[i].help)) | |
1973 | continue; | |
1974 | ||
1975 | view->ops->read(view, buf); | |
1976 | } | |
1977 | } | |
1978 | ||
49f2b43f JF |
1979 | enum open_flags { |
1980 | OPEN_DEFAULT = 0, /* Use default view switching. */ | |
1981 | OPEN_SPLIT = 1, /* Split current view. */ | |
1982 | OPEN_BACKGROUNDED = 2, /* Backgrounded. */ | |
1983 | OPEN_RELOAD = 4, /* Reload view even if it is the current. */ | |
1984 | }; | |
1985 | ||
6b161b31 | 1986 | static void |
49f2b43f | 1987 | open_view(struct view *prev, enum request request, enum open_flags flags) |
b801d8b2 | 1988 | { |
49f2b43f JF |
1989 | bool backgrounded = !!(flags & OPEN_BACKGROUNDED); |
1990 | bool split = !!(flags & OPEN_SPLIT); | |
1991 | bool reload = !!(flags & OPEN_RELOAD); | |
a28bcc22 | 1992 | struct view *view = VIEW(request); |
9f41488f | 1993 | int nviews = displayed_views(); |
6e950a52 | 1994 | struct view *base_view = display[0]; |
b801d8b2 | 1995 | |
49f2b43f | 1996 | if (view == prev && nviews == 1 && !reload) { |
6b161b31 JF |
1997 | report("Already in %s view", view->name); |
1998 | return; | |
1999 | } | |
b801d8b2 | 2000 | |
2509b112 | 2001 | if (view == VIEW(REQ_VIEW_HELP)) { |
79d445ca | 2002 | open_help_view(view); |
2509b112 JF |
2003 | |
2004 | } else if ((reload || strcmp(view->vid, view->id)) && | |
2005 | !begin_update(view)) { | |
6b161b31 JF |
2006 | report("Failed to load %s view", view->name); |
2007 | return; | |
2008 | } | |
a28bcc22 | 2009 | |
6b161b31 | 2010 | if (split) { |
8d741c06 | 2011 | display[1] = view; |
6b161b31 | 2012 | if (!backgrounded) |
8d741c06 | 2013 | current_view = 1; |
6b161b31 JF |
2014 | } else { |
2015 | /* Maximize the current view. */ | |
2016 | memset(display, 0, sizeof(display)); | |
2017 | current_view = 0; | |
2018 | display[current_view] = view; | |
a28bcc22 | 2019 | } |
b801d8b2 | 2020 | |
6e950a52 JF |
2021 | /* Resize the view when switching between split- and full-screen, |
2022 | * or when switching between two different full-screen views. */ | |
2023 | if (nviews != displayed_views() || | |
2024 | (nviews == 1 && base_view != display[0])) | |
a006db63 | 2025 | resize_display(); |
b801d8b2 | 2026 | |
a8891802 | 2027 | if (split && prev->lineno - prev->offset >= prev->height) { |
03a93dbb | 2028 | /* Take the title line into account. */ |
eb98559e | 2029 | int lines = prev->lineno - prev->offset - prev->height + 1; |
03a93dbb JF |
2030 | |
2031 | /* Scroll the view that was split if the current line is | |
2032 | * outside the new limited view. */ | |
8c317212 | 2033 | do_scroll_view(prev, lines); |
03a93dbb JF |
2034 | } |
2035 | ||
6b161b31 | 2036 | if (prev && view != prev) { |
9b995f0c | 2037 | if (split && !backgrounded) { |
f0b3ab80 JF |
2038 | /* "Blur" the previous view. */ |
2039 | update_view_title(prev); | |
9f396969 | 2040 | } |
f0b3ab80 | 2041 | |
f6da0b66 | 2042 | view->parent = prev; |
b801d8b2 JF |
2043 | } |
2044 | ||
9f396969 | 2045 | if (view->pipe && view->lines == 0) { |
03a93dbb JF |
2046 | /* Clear the old view and let the incremental updating refill |
2047 | * the screen. */ | |
2048 | wclear(view->win); | |
f97f4012 | 2049 | report(""); |
03a93dbb JF |
2050 | } else { |
2051 | redraw_view(view); | |
24b5b3e0 | 2052 | report(""); |
03a93dbb | 2053 | } |
6706b2ba JF |
2054 | |
2055 | /* If the view is backgrounded the above calls to report() | |
2056 | * won't redraw the view title. */ | |
2057 | if (backgrounded) | |
2058 | update_view_title(view); | |
b801d8b2 JF |
2059 | } |
2060 | ||
2061 | ||
6b161b31 JF |
2062 | /* |
2063 | * User request switch noodle | |
2064 | */ | |
2065 | ||
b801d8b2 | 2066 | static int |
6b161b31 | 2067 | view_driver(struct view *view, enum request request) |
b801d8b2 | 2068 | { |
b801d8b2 JF |
2069 | int i; |
2070 | ||
2071 | switch (request) { | |
4a2909a7 JF |
2072 | case REQ_MOVE_UP: |
2073 | case REQ_MOVE_DOWN: | |
2074 | case REQ_MOVE_PAGE_UP: | |
2075 | case REQ_MOVE_PAGE_DOWN: | |
2076 | case REQ_MOVE_FIRST_LINE: | |
2077 | case REQ_MOVE_LAST_LINE: | |
8522ecc7 | 2078 | move_view(view, request); |
fd85fef1 JF |
2079 | break; |
2080 | ||
4a2909a7 JF |
2081 | case REQ_SCROLL_LINE_DOWN: |
2082 | case REQ_SCROLL_LINE_UP: | |
2083 | case REQ_SCROLL_PAGE_DOWN: | |
2084 | case REQ_SCROLL_PAGE_UP: | |
a28bcc22 | 2085 | scroll_view(view, request); |
b801d8b2 JF |
2086 | break; |
2087 | ||
e733ee54 JF |
2088 | case REQ_VIEW_BLOB: |
2089 | if (!ref_blob[0]) { | |
2090 | report("No file chosen, press 't' to open tree view"); | |
2091 | break; | |
2092 | } | |
2093 | /* Fall-through */ | |
4a2909a7 | 2094 | case REQ_VIEW_MAIN: |
4a2909a7 | 2095 | case REQ_VIEW_DIFF: |
2e8488b4 | 2096 | case REQ_VIEW_LOG: |
e733ee54 | 2097 | case REQ_VIEW_TREE: |
2e8488b4 | 2098 | case REQ_VIEW_HELP: |
6908bdbd | 2099 | case REQ_VIEW_PAGER: |
49f2b43f | 2100 | open_view(view, request, OPEN_DEFAULT); |
b801d8b2 JF |
2101 | break; |
2102 | ||
b3a54cba JF |
2103 | case REQ_NEXT: |
2104 | case REQ_PREVIOUS: | |
2105 | request = request == REQ_NEXT ? REQ_MOVE_DOWN : REQ_MOVE_UP; | |
2106 | ||
e733ee54 JF |
2107 | if ((view == VIEW(REQ_VIEW_DIFF) && |
2108 | view->parent == VIEW(REQ_VIEW_MAIN)) || | |
2109 | (view == VIEW(REQ_VIEW_BLOB) && | |
2110 | view->parent == VIEW(REQ_VIEW_TREE))) { | |
b3a54cba | 2111 | view = view->parent; |
8522ecc7 JF |
2112 | move_view(view, request); |
2113 | if (view_is_displayed(view)) | |
f0b3ab80 | 2114 | update_view_title(view); |
b3a54cba | 2115 | } else { |
8522ecc7 | 2116 | move_view(view, request); |
b3a54cba JF |
2117 | break; |
2118 | } | |
6706b2ba JF |
2119 | /* Fall-through */ |
2120 | ||
6b161b31 | 2121 | case REQ_ENTER: |
6908bdbd JF |
2122 | if (!view->lines) { |
2123 | report("Nothing to enter"); | |
2124 | break; | |
2125 | } | |
fe7233c3 | 2126 | return view->ops->enter(view, &view->line[view->lineno]); |
6b161b31 | 2127 | |
03a93dbb JF |
2128 | case REQ_VIEW_NEXT: |
2129 | { | |
9f41488f | 2130 | int nviews = displayed_views(); |
03a93dbb JF |
2131 | int next_view = (current_view + 1) % nviews; |
2132 | ||
2133 | if (next_view == current_view) { | |
2134 | report("Only one view is displayed"); | |
2135 | break; | |
2136 | } | |
2137 | ||
2138 | current_view = next_view; | |
2139 | /* Blur out the title of the previous view. */ | |
2140 | update_view_title(view); | |
6734f6b9 | 2141 | report(""); |
03a93dbb JF |
2142 | break; |
2143 | } | |
24b5b3e0 | 2144 | case REQ_TOGGLE_LINENO: |
b76c2afc | 2145 | opt_line_number = !opt_line_number; |
20bb5e18 | 2146 | redraw_display(); |
b801d8b2 JF |
2147 | break; |
2148 | ||
54efb62b JF |
2149 | case REQ_TOGGLE_REV_GRAPH: |
2150 | opt_rev_graph = !opt_rev_graph; | |
2151 | redraw_display(); | |
2152 | break; | |
2153 | ||
03a93dbb | 2154 | case REQ_PROMPT: |
8855ada4 | 2155 | /* Always reload^Wrerun commands from the prompt. */ |
49f2b43f | 2156 | open_view(view, opt_request, OPEN_RELOAD); |
03a93dbb JF |
2157 | break; |
2158 | ||
4af34daa JF |
2159 | case REQ_SEARCH: |
2160 | case REQ_SEARCH_BACK: | |
c02d8fce | 2161 | search_view(view, request); |
4af34daa JF |
2162 | break; |
2163 | ||
2164 | case REQ_FIND_NEXT: | |
2165 | case REQ_FIND_PREV: | |
2166 | find_next(view, request); | |
2167 | break; | |
2168 | ||
4a2909a7 | 2169 | case REQ_STOP_LOADING: |
59a45d3a JF |
2170 | for (i = 0; i < ARRAY_SIZE(views); i++) { |
2171 | view = &views[i]; | |
2e8488b4 | 2172 | if (view->pipe) |
6a7bb912 | 2173 | report("Stopped loading the %s view", view->name), |
03a93dbb JF |
2174 | end_update(view); |
2175 | } | |
b801d8b2 JF |
2176 | break; |
2177 | ||
4a2909a7 | 2178 | case REQ_SHOW_VERSION: |
6cb291b7 | 2179 | report("%s (built %s)", VERSION, __DATE__); |
b801d8b2 JF |
2180 | return TRUE; |
2181 | ||
fac7db6c JF |
2182 | case REQ_SCREEN_RESIZE: |
2183 | resize_display(); | |
2184 | /* Fall-through */ | |
4a2909a7 | 2185 | case REQ_SCREEN_REDRAW: |
20bb5e18 | 2186 | redraw_display(); |
4a2909a7 JF |
2187 | break; |
2188 | ||
1d754561 | 2189 | case REQ_NONE: |
b801d8b2 JF |
2190 | doupdate(); |
2191 | return TRUE; | |
2192 | ||
4f9b667a | 2193 | case REQ_VIEW_CLOSE: |
2fcf5401 JF |
2194 | /* XXX: Mark closed views by letting view->parent point to the |
2195 | * view itself. Parents to closed view should never be | |
2196 | * followed. */ | |
2197 | if (view->parent && | |
2198 | view->parent->parent != view->parent) { | |
4f9b667a JF |
2199 | memset(display, 0, sizeof(display)); |
2200 | current_view = 0; | |
f6da0b66 | 2201 | display[current_view] = view->parent; |
2fcf5401 | 2202 | view->parent = view; |
4f9b667a JF |
2203 | resize_display(); |
2204 | redraw_display(); | |
2205 | break; | |
2206 | } | |
2207 | /* Fall-through */ | |
b801d8b2 JF |
2208 | case REQ_QUIT: |
2209 | return FALSE; | |
2210 | ||
2211 | default: | |
2e8488b4 | 2212 | /* An unknown key will show most commonly used commands. */ |
468876c9 | 2213 | report("Unknown key, press 'h' for help"); |
b801d8b2 JF |
2214 | return TRUE; |
2215 | } | |
2216 | ||
2217 | return TRUE; | |
2218 | } | |
2219 | ||
2220 | ||
2221 | /* | |
ff26aa29 | 2222 | * Pager backend |
b801d8b2 JF |
2223 | */ |
2224 | ||
6b161b31 | 2225 | static bool |
5dcf8064 | 2226 | pager_draw(struct view *view, struct line *line, unsigned int lineno, bool selected) |
b801d8b2 | 2227 | { |
fe7233c3 JF |
2228 | char *text = line->data; |
2229 | enum line_type type = line->type; | |
2230 | int textlen = strlen(text); | |
78c70acd | 2231 | int attr; |
b801d8b2 | 2232 | |
6706b2ba JF |
2233 | wmove(view->win, lineno, 0); |
2234 | ||
5dcf8064 | 2235 | if (selected) { |
78c70acd | 2236 | type = LINE_CURSOR; |
6706b2ba | 2237 | wchgat(view->win, -1, 0, type, NULL); |
fd85fef1 JF |
2238 | } |
2239 | ||
78c70acd | 2240 | attr = get_line_attr(type); |
b801d8b2 | 2241 | wattrset(view->win, attr); |
b76c2afc | 2242 | |
6706b2ba JF |
2243 | if (opt_line_number || opt_tab_size < TABSIZE) { |
2244 | static char spaces[] = " "; | |
2245 | int col_offset = 0, col = 0; | |
2246 | ||
2247 | if (opt_line_number) { | |
2248 | unsigned long real_lineno = view->offset + lineno + 1; | |
82e78006 | 2249 | |
6706b2ba JF |
2250 | if (real_lineno == 1 || |
2251 | (real_lineno % opt_num_interval) == 0) { | |
2252 | wprintw(view->win, "%.*d", view->digits, real_lineno); | |
8855ada4 | 2253 | |
6706b2ba JF |
2254 | } else { |
2255 | waddnstr(view->win, spaces, | |
2256 | MIN(view->digits, STRING_SIZE(spaces))); | |
2257 | } | |
2258 | waddstr(view->win, ": "); | |
2259 | col_offset = view->digits + 2; | |
2260 | } | |
8855ada4 | 2261 | |
fe7233c3 | 2262 | while (text && col_offset + col < view->width) { |
6706b2ba | 2263 | int cols_max = view->width - col_offset - col; |
fe7233c3 | 2264 | char *pos = text; |
6706b2ba | 2265 | int cols; |
4c6fabc2 | 2266 | |
fe7233c3 JF |
2267 | if (*text == '\t') { |
2268 | text++; | |
6706b2ba | 2269 | assert(sizeof(spaces) > TABSIZE); |
fe7233c3 | 2270 | pos = spaces; |
6706b2ba | 2271 | cols = opt_tab_size - (col % opt_tab_size); |
82e78006 | 2272 | |
b76c2afc | 2273 | } else { |
fe7233c3 JF |
2274 | text = strchr(text, '\t'); |
2275 | cols = line ? text - pos : strlen(pos); | |
b76c2afc | 2276 | } |
6706b2ba | 2277 | |
fe7233c3 | 2278 | waddnstr(view->win, pos, MIN(cols, cols_max)); |
6706b2ba | 2279 | col += cols; |
b76c2afc | 2280 | } |
b76c2afc JF |
2281 | |
2282 | } else { | |
6706b2ba | 2283 | int col = 0, pos = 0; |
b801d8b2 | 2284 | |
fe7233c3 JF |
2285 | for (; pos < textlen && col < view->width; pos++, col++) |
2286 | if (text[pos] == '\t') | |
6706b2ba JF |
2287 | col += TABSIZE - (col % TABSIZE) - 1; |
2288 | ||
fe7233c3 | 2289 | waddnstr(view->win, text, pos); |
6706b2ba | 2290 | } |
2e8488b4 | 2291 | |
b801d8b2 JF |
2292 | return TRUE; |
2293 | } | |
2294 | ||
dc23c0e3 | 2295 | static bool |
d65ced0d | 2296 | add_describe_ref(char *buf, size_t *bufpos, char *commit_id, const char *sep) |
dc23c0e3 | 2297 | { |
17482b11 | 2298 | char refbuf[SIZEOF_STR]; |
dc23c0e3 JF |
2299 | char *ref = NULL; |
2300 | FILE *pipe; | |
2301 | ||
2302 | if (!string_format(refbuf, "git describe %s", commit_id)) | |
2303 | return TRUE; | |
2304 | ||
2305 | pipe = popen(refbuf, "r"); | |
2306 | if (!pipe) | |
2307 | return TRUE; | |
2308 | ||
2309 | if ((ref = fgets(refbuf, sizeof(refbuf), pipe))) | |
2310 | ref = chomp_string(ref); | |
2311 | pclose(pipe); | |
2312 | ||
2313 | if (!ref || !*ref) | |
2314 | return TRUE; | |
2315 | ||
2316 | /* This is the only fatal call, since it can "corrupt" the buffer. */ | |
17482b11 | 2317 | if (!string_nformat(buf, SIZEOF_STR, bufpos, "%s%s", sep, ref)) |
dc23c0e3 JF |
2318 | return FALSE; |
2319 | ||
2320 | return TRUE; | |
2321 | } | |
2322 | ||
7b99a34c JF |
2323 | static void |
2324 | add_pager_refs(struct view *view, struct line *line) | |
2325 | { | |
17482b11 | 2326 | char buf[SIZEOF_STR]; |
c9ca1ec3 | 2327 | char *commit_id = line->data + STRING_SIZE("commit "); |
7b99a34c | 2328 | struct ref **refs; |
d65ced0d | 2329 | size_t bufpos = 0, refpos = 0; |
7b99a34c | 2330 | const char *sep = "Refs: "; |
dc23c0e3 | 2331 | bool is_tag = FALSE; |
7b99a34c JF |
2332 | |
2333 | assert(line->type == LINE_COMMIT); | |
2334 | ||
c9ca1ec3 | 2335 | refs = get_refs(commit_id); |
dc23c0e3 JF |
2336 | if (!refs) { |
2337 | if (view == VIEW(REQ_VIEW_DIFF)) | |
2338 | goto try_add_describe_ref; | |
7b99a34c | 2339 | return; |
dc23c0e3 | 2340 | } |
7b99a34c JF |
2341 | |
2342 | do { | |
cc2d1364 JF |
2343 | struct ref *ref = refs[refpos]; |
2344 | char *fmt = ref->tag ? "%s[%s]" : "%s%s"; | |
7b99a34c | 2345 | |
cc2d1364 JF |
2346 | if (!string_format_from(buf, &bufpos, fmt, sep, ref->name)) |
2347 | return; | |
7b99a34c | 2348 | sep = ", "; |
dc23c0e3 JF |
2349 | if (ref->tag) |
2350 | is_tag = TRUE; | |
7b99a34c JF |
2351 | } while (refs[refpos++]->next); |
2352 | ||
dc23c0e3 JF |
2353 | if (!is_tag && view == VIEW(REQ_VIEW_DIFF)) { |
2354 | try_add_describe_ref: | |
d42c8a35 | 2355 | /* Add <tag>-g<commit_id> "fake" reference. */ |
dc23c0e3 JF |
2356 | if (!add_describe_ref(buf, &bufpos, commit_id, sep)) |
2357 | return; | |
2358 | } | |
2359 | ||
d42c8a35 JF |
2360 | if (bufpos == 0) |
2361 | return; | |
2362 | ||
cc2d1364 | 2363 | if (!realloc_lines(view, view->line_size + 1)) |
7b99a34c JF |
2364 | return; |
2365 | ||
2366 | line = &view->line[view->lines]; | |
2367 | line->data = strdup(buf); | |
2368 | if (!line->data) | |
2369 | return; | |
2370 | ||
2371 | line->type = LINE_PP_REFS; | |
2372 | view->lines++; | |
2373 | } | |
2374 | ||
6b161b31 | 2375 | static bool |
701e4f5d | 2376 | pager_read(struct view *view, char *data) |
22f66b0a | 2377 | { |
7b99a34c | 2378 | struct line *line = &view->line[view->lines]; |
22f66b0a | 2379 | |
be04d936 JF |
2380 | if (!data) |
2381 | return TRUE; | |
2382 | ||
7b99a34c JF |
2383 | line->data = strdup(data); |
2384 | if (!line->data) | |
2385 | return FALSE; | |
fe7233c3 | 2386 | |
7b99a34c | 2387 | line->type = get_line_type(line->data); |
22f66b0a | 2388 | view->lines++; |
7b99a34c JF |
2389 | |
2390 | if (line->type == LINE_COMMIT && | |
2391 | (view == VIEW(REQ_VIEW_DIFF) || | |
2392 | view == VIEW(REQ_VIEW_LOG))) | |
2393 | add_pager_refs(view, line); | |
2394 | ||
22f66b0a JF |
2395 | return TRUE; |
2396 | } | |
2397 | ||
6b161b31 | 2398 | static bool |
fe7233c3 | 2399 | pager_enter(struct view *view, struct line *line) |
6b161b31 | 2400 | { |
91e8e277 | 2401 | int split = 0; |
6b161b31 | 2402 | |
9fbbd28f JF |
2403 | if (line->type == LINE_COMMIT && |
2404 | (view == VIEW(REQ_VIEW_LOG) || | |
2405 | view == VIEW(REQ_VIEW_PAGER))) { | |
91e8e277 JF |
2406 | open_view(view, REQ_VIEW_DIFF, OPEN_SPLIT); |
2407 | split = 1; | |
67e48ac5 JF |
2408 | } |
2409 | ||
91e8e277 JF |
2410 | /* Always scroll the view even if it was split. That way |
2411 | * you can use Enter to scroll through the log view and | |
2412 | * split open each commit diff. */ | |
2413 | scroll_view(view, REQ_SCROLL_LINE_DOWN); | |
2414 | ||
2415 | /* FIXME: A minor workaround. Scrolling the view will call report("") | |
9d82d824 JF |
2416 | * but if we are scrolling a non-current view this won't properly |
2417 | * update the view title. */ | |
91e8e277 JF |
2418 | if (split) |
2419 | update_view_title(view); | |
6b161b31 JF |
2420 | |
2421 | return TRUE; | |
2422 | } | |
2423 | ||
4af34daa JF |
2424 | static bool |
2425 | pager_grep(struct view *view, struct line *line) | |
2426 | { | |
2427 | regmatch_t pmatch; | |
2428 | char *text = line->data; | |
2429 | ||
2430 | if (!*text) | |
2431 | return FALSE; | |
2432 | ||
b77b2cb8 | 2433 | if (regexec(view->regex, text, 1, &pmatch, 0) == REG_NOMATCH) |
4af34daa JF |
2434 | return FALSE; |
2435 | ||
2436 | return TRUE; | |
2437 | } | |
2438 | ||
d720de4b JF |
2439 | static void |
2440 | pager_select(struct view *view, struct line *line) | |
2441 | { | |
2442 | if (line->type == LINE_COMMIT) { | |
2443 | char *text = line->data; | |
2444 | ||
5dcf8064 | 2445 | string_copy(view->ref, text + STRING_SIZE("commit ")); |
d720de4b JF |
2446 | string_copy(ref_commit, view->ref); |
2447 | } | |
2448 | } | |
2449 | ||
6b161b31 | 2450 | static struct view_ops pager_ops = { |
6734f6b9 | 2451 | "line", |
6b161b31 JF |
2452 | pager_draw, |
2453 | pager_read, | |
2454 | pager_enter, | |
4af34daa | 2455 | pager_grep, |
d720de4b | 2456 | pager_select, |
6b161b31 JF |
2457 | }; |
2458 | ||
80ce96ea | 2459 | |
ff26aa29 | 2460 | /* |
e733ee54 JF |
2461 | * Tree backend |
2462 | */ | |
2463 | ||
4795d620 | 2464 | /* Parse output from git-ls-tree(1): |
e733ee54 JF |
2465 | * |
2466 | * 100644 blob fb0e31ea6cc679b7379631188190e975f5789c26 Makefile | |
2467 | * 100644 blob 5304ca4260aaddaee6498f9630e7d471b8591ea6 README | |
2468 | * 100644 blob f931e1d229c3e185caad4449bf5b66ed72462657 tig.c | |
2469 | * 100644 blob ed09fe897f3c7c9af90bcf80cae92558ea88ae38 web.conf | |
2470 | */ | |
2471 | ||
2472 | #define SIZEOF_TREE_ATTR \ | |
2473 | STRING_SIZE("100644 blob ed09fe897f3c7c9af90bcf80cae92558ea88ae38\t") | |
2474 | ||
2475 | #define TREE_UP_FORMAT "040000 tree %s\t.." | |
2476 | ||
2477 | static int | |
2478 | tree_compare_entry(enum line_type type1, char *name1, | |
2479 | enum line_type type2, char *name2) | |
2480 | { | |
2481 | if (type1 != type2) { | |
2482 | if (type1 == LINE_TREE_DIR) | |
2483 | return -1; | |
2484 | return 1; | |
2485 | } | |
2486 | ||
2487 | return strcmp(name1, name2); | |
2488 | } | |
2489 | ||
2490 | static bool | |
2491 | tree_read(struct view *view, char *text) | |
2492 | { | |
be04d936 | 2493 | size_t textlen = text ? strlen(text) : 0; |
e733ee54 JF |
2494 | char buf[SIZEOF_STR]; |
2495 | unsigned long pos; | |
2496 | enum line_type type; | |
f88a5319 | 2497 | bool first_read = view->lines == 0; |
e733ee54 JF |
2498 | |
2499 | if (textlen <= SIZEOF_TREE_ATTR) | |
2500 | return FALSE; | |
2501 | ||
2502 | type = text[STRING_SIZE("100644 ")] == 't' | |
2503 | ? LINE_TREE_DIR : LINE_TREE_FILE; | |
2504 | ||
f88a5319 | 2505 | if (first_read) { |
e733ee54 | 2506 | /* Add path info line */ |
4ea4ce91 | 2507 | if (string_format(buf, "Directory path /%s", opt_path) && |
e733ee54 JF |
2508 | realloc_lines(view, view->line_size + 1) && |
2509 | pager_read(view, buf)) | |
2510 | view->line[view->lines - 1].type = LINE_DEFAULT; | |
2511 | else | |
2512 | return FALSE; | |
2513 | ||
2514 | /* Insert "link" to parent directory. */ | |
2515 | if (*opt_path && | |
4ea4ce91 | 2516 | string_format(buf, TREE_UP_FORMAT, view->ref) && |
e733ee54 JF |
2517 | realloc_lines(view, view->line_size + 1) && |
2518 | pager_read(view, buf)) | |
2519 | view->line[view->lines - 1].type = LINE_TREE_DIR; | |
2520 | else if (*opt_path) | |
2521 | return FALSE; | |
2522 | } | |
2523 | ||
2524 | /* Strip the path part ... */ | |
2525 | if (*opt_path) { | |
2526 | size_t pathlen = textlen - SIZEOF_TREE_ATTR; | |
2527 | size_t striplen = strlen(opt_path); | |
2528 | char *path = text + SIZEOF_TREE_ATTR; | |
2529 | ||
2530 | if (pathlen > striplen) | |
2531 | memmove(path, path + striplen, | |
2532 | pathlen - striplen + 1); | |
2533 | } | |
2534 | ||
2535 | /* Skip "Directory ..." and ".." line. */ | |
2536 | for (pos = 1 + !!*opt_path; pos < view->lines; pos++) { | |
2537 | struct line *line = &view->line[pos]; | |
2538 | char *path1 = ((char *) line->data) + SIZEOF_TREE_ATTR; | |
2539 | char *path2 = text + SIZEOF_TREE_ATTR; | |
2540 | int cmp = tree_compare_entry(line->type, path1, type, path2); | |
2541 | ||
2542 | if (cmp <= 0) | |
2543 | continue; | |
2544 | ||
2545 | text = strdup(text); | |
2546 | if (!text) | |
2547 | return FALSE; | |
2548 | ||
2549 | if (view->lines > pos) | |
2550 | memmove(&view->line[pos + 1], &view->line[pos], | |
2551 | (view->lines - pos) * sizeof(*line)); | |
2552 | ||
2553 | line = &view->line[pos]; | |
2554 | line->data = text; | |
2555 | line->type = type; | |
2556 | view->lines++; | |
2557 | return TRUE; | |
2558 | } | |
2559 | ||
2560 | if (!pager_read(view, text)) | |
2561 | return FALSE; | |
2562 | ||
f88a5319 JF |
2563 | /* Move the current line to the first tree entry. */ |
2564 | if (first_read) | |
2565 | view->lineno++; | |
2566 | ||
e733ee54 JF |
2567 | view->line[view->lines - 1].type = type; |
2568 | return TRUE; | |
2569 | } | |
2570 | ||
2571 | static bool | |
2572 | tree_enter(struct view *view, struct line *line) | |
2573 | { | |
2b42e5d6 | 2574 | enum open_flags flags = display[0] == view ? OPEN_SPLIT : OPEN_DEFAULT; |
e733ee54 JF |
2575 | enum request request; |
2576 | ||
2577 | switch (line->type) { | |
2578 | case LINE_TREE_DIR: | |
2579 | /* Depending on whether it is a subdir or parent (updir?) link | |
2580 | * mangle the path buffer. */ | |
2581 | if (line == &view->line[1] && *opt_path) { | |
2582 | size_t path_len = strlen(opt_path); | |
2583 | char *dirsep = opt_path + path_len - 1; | |
2584 | ||
2585 | while (dirsep > opt_path && dirsep[-1] != '/') | |
2586 | dirsep--; | |
2587 | ||
2588 | dirsep[0] = 0; | |
2589 | ||
2590 | } else { | |
d65ced0d | 2591 | size_t pathlen = strlen(opt_path); |
4ea4ce91 | 2592 | size_t origlen = pathlen; |
4795d620 | 2593 | char *data = line->data; |
e733ee54 JF |
2594 | char *basename = data + SIZEOF_TREE_ATTR; |
2595 | ||
4038038f | 2596 | if (!string_format_from(opt_path, &pathlen, "%s/", basename)) { |
4ea4ce91 JF |
2597 | opt_path[origlen] = 0; |
2598 | return TRUE; | |
2599 | } | |
e733ee54 JF |
2600 | } |
2601 | ||
2602 | /* Trees and subtrees share the same ID, so they are not not | |
2603 | * unique like blobs. */ | |
2604 | flags |= OPEN_RELOAD; | |
2605 | request = REQ_VIEW_TREE; | |
2606 | break; | |
2607 | ||
2608 | case LINE_TREE_FILE: | |
e733ee54 JF |
2609 | request = REQ_VIEW_BLOB; |
2610 | break; | |
2611 | ||
2612 | default: | |
2613 | return TRUE; | |
2614 | } | |
2615 | ||
2616 | open_view(view, request, flags); | |
2617 | ||
e733ee54 JF |
2618 | return TRUE; |
2619 | } | |
2620 | ||
d720de4b JF |
2621 | static void |
2622 | tree_select(struct view *view, struct line *line) | |
2623 | { | |
73c76ef5 JF |
2624 | char *text = line->data; |
2625 | ||
2626 | text += STRING_SIZE("100644 blob "); | |
2627 | ||
2628 | if (line->type == LINE_TREE_FILE) { | |
2629 | string_ncopy(ref_blob, text, 40); | |
2630 | /* Also update the blob view's ref, since all there must always | |
2631 | * be in sync. */ | |
2632 | string_copy(VIEW(REQ_VIEW_BLOB)->ref, ref_blob); | |
d720de4b | 2633 | |
ebbaf4fe JF |
2634 | } else if (line->type != LINE_TREE_DIR) { |
2635 | return; | |
d720de4b | 2636 | } |
ebbaf4fe JF |
2637 | |
2638 | string_ncopy(view->ref, text, 40); | |
d720de4b JF |
2639 | } |
2640 | ||
e733ee54 JF |
2641 | static struct view_ops tree_ops = { |
2642 | "file", | |
2643 | pager_draw, | |
2644 | tree_read, | |
2645 | tree_enter, | |
2646 | pager_grep, | |
d720de4b | 2647 | tree_select, |
e733ee54 JF |
2648 | }; |
2649 | ||
2650 | static bool | |
2651 | blob_read(struct view *view, char *line) | |
2652 | { | |
2653 | bool state = pager_read(view, line); | |
2654 | ||
2655 | if (state == TRUE) | |
2656 | view->line[view->lines - 1].type = LINE_DEFAULT; | |
2657 | ||
2658 | return state; | |
2659 | } | |
2660 | ||
2661 | static struct view_ops blob_ops = { | |
2662 | "line", | |
2663 | pager_draw, | |
2664 | blob_read, | |
2665 | pager_enter, | |
2666 | pager_grep, | |
d720de4b | 2667 | pager_select, |
e733ee54 JF |
2668 | }; |
2669 | ||
2670 | ||
2671 | /* | |
ccc33449 | 2672 | * Revision graph |
ff26aa29 JF |
2673 | */ |
2674 | ||
2675 | struct commit { | |
10446330 | 2676 | char id[SIZEOF_REV]; /* SHA1 ID. */ |
54efb62b JF |
2677 | char title[75]; /* First line of the commit message. */ |
2678 | char author[75]; /* Author of the commit. */ | |
2679 | struct tm time; /* Date from the author ident. */ | |
2680 | struct ref **refs; /* Repository references. */ | |
2681 | chtype graph[SIZEOF_REVGRAPH]; /* Ancestry chain graphics. */ | |
2682 | size_t graph_size; /* The width of the graph array. */ | |
ff26aa29 | 2683 | }; |
c34d9c9f | 2684 | |
ccc33449 JF |
2685 | /* Size of rev graph with no "padding" columns */ |
2686 | #define SIZEOF_REVITEMS (SIZEOF_REVGRAPH - (SIZEOF_REVGRAPH / 2)) | |
2b757533 | 2687 | |
2ce5c87c JF |
2688 | struct rev_graph { |
2689 | struct rev_graph *prev, *next, *parents; | |
2b757533 JF |
2690 | char rev[SIZEOF_REVITEMS][SIZEOF_REV]; |
2691 | size_t size; | |
88757ebd JF |
2692 | struct commit *commit; |
2693 | size_t pos; | |
2b757533 JF |
2694 | }; |
2695 | ||
2b757533 | 2696 | /* Parents of the commit being visualized. */ |
446a5c36 | 2697 | static struct rev_graph graph_parents[4]; |
c8d60a25 | 2698 | |
c65a501a | 2699 | /* The current stack of revisions on the graph. */ |
446a5c36 JF |
2700 | static struct rev_graph graph_stacks[4] = { |
2701 | { &graph_stacks[3], &graph_stacks[1], &graph_parents[0] }, | |
c65a501a | 2702 | { &graph_stacks[0], &graph_stacks[2], &graph_parents[1] }, |
446a5c36 JF |
2703 | { &graph_stacks[1], &graph_stacks[3], &graph_parents[2] }, |
2704 | { &graph_stacks[2], &graph_stacks[0], &graph_parents[3] }, | |
c65a501a JF |
2705 | }; |
2706 | ||
9e43b9cd | 2707 | static inline bool |
2ce5c87c | 2708 | graph_parent_is_merge(struct rev_graph *graph) |
9e43b9cd JF |
2709 | { |
2710 | return graph->parents->size > 1; | |
2711 | } | |
2712 | ||
88757ebd | 2713 | static inline void |
2ce5c87c | 2714 | append_to_rev_graph(struct rev_graph *graph, chtype symbol) |
88757ebd | 2715 | { |
2c27faac JF |
2716 | struct commit *commit = graph->commit; |
2717 | ||
2718 | if (commit->graph_size < ARRAY_SIZE(commit->graph) - 1) | |
2719 | commit->graph[commit->graph_size++] = symbol; | |
88757ebd JF |
2720 | } |
2721 | ||
2b757533 | 2722 | static void |
2ce5c87c | 2723 | done_rev_graph(struct rev_graph *graph) |
987890af JF |
2724 | { |
2725 | if (graph_parent_is_merge(graph) && | |
2726 | graph->pos < graph->size - 1 && | |
2727 | graph->next->size == graph->size + graph->parents->size - 1) { | |
2728 | size_t i = graph->pos + graph->parents->size - 1; | |
2729 | ||
2730 | graph->commit->graph_size = i * 2; | |
2731 | while (i < graph->next->size - 1) { | |
2732 | append_to_rev_graph(graph, ' '); | |
2733 | append_to_rev_graph(graph, '\\'); | |
2734 | i++; | |
2735 | } | |
2736 | } | |
2737 | ||
2738 | graph->size = graph->pos = 0; | |
2739 | graph->commit = NULL; | |
2740 | memset(graph->parents, 0, sizeof(*graph->parents)); | |
2741 | } | |
2742 | ||
2743 | static void | |
2ce5c87c | 2744 | push_rev_graph(struct rev_graph *graph, char *parent) |
2b757533 | 2745 | { |
2b757533 | 2746 | /* Combine duplicate parents lines. */ |
2ce5c87c JF |
2747 | if (graph->size > 0 && |
2748 | !strncmp(graph->rev[graph->size - 1], parent, SIZEOF_REV)) | |
2b757533 JF |
2749 | return; |
2750 | ||
2ce5c87c JF |
2751 | if (graph->size < SIZEOF_REVITEMS) { |
2752 | string_ncopy(graph->rev[graph->size++], parent, SIZEOF_REV); | |
2b757533 JF |
2753 | } |
2754 | } | |
2755 | ||
92507a24 JF |
2756 | static chtype |
2757 | get_rev_graph_symbol(struct rev_graph *graph) | |
2b757533 | 2758 | { |
92507a24 | 2759 | chtype symbol; |
2b757533 | 2760 | |
c65a501a | 2761 | if (graph->parents->size == 0) |
c8d60a25 | 2762 | symbol = REVGRAPH_INIT; |
18ffaa23 | 2763 | else if (graph_parent_is_merge(graph)) |
c8d60a25 | 2764 | symbol = REVGRAPH_MERGE; |
c65a501a | 2765 | else if (graph->pos >= graph->size) |
c8d60a25 | 2766 | symbol = REVGRAPH_BRANCH; |
2b757533 | 2767 | else |
c8d60a25 | 2768 | symbol = REVGRAPH_COMMIT; |
1dcb3bec | 2769 | |
92507a24 JF |
2770 | return symbol; |
2771 | } | |
2772 | ||
2773 | static void | |
2774 | draw_rev_graph(struct rev_graph *graph) | |
2775 | { | |
e937c2c8 JF |
2776 | struct rev_filler { |
2777 | chtype separator, line; | |
2778 | }; | |
2779 | enum { DEFAULT, RSHARP, RDIAG, LDIAG }; | |
2780 | static struct rev_filler fillers[] = { | |
2781 | { ' ', REVGRAPH_LINE }, | |
2782 | { '`', '.' }, | |
2783 | { '\'', ' ' }, | |
2784 | { '/', ' ' }, | |
e937c2c8 | 2785 | }; |
92507a24 | 2786 | chtype symbol = get_rev_graph_symbol(graph); |
e937c2c8 | 2787 | struct rev_filler *filler; |
92507a24 JF |
2788 | size_t i; |
2789 | ||
e937c2c8 | 2790 | filler = &fillers[DEFAULT]; |
110e948e | 2791 | |
c65a501a | 2792 | for (i = 0; i < graph->pos; i++) { |
e937c2c8 | 2793 | append_to_rev_graph(graph, filler->line); |
9e43b9cd | 2794 | if (graph_parent_is_merge(graph->prev) && |
e937c2c8 JF |
2795 | graph->prev->pos == i) |
2796 | filler = &fillers[RSHARP]; | |
2797 | ||
2798 | append_to_rev_graph(graph, filler->separator); | |
110e948e JF |
2799 | } |
2800 | ||
92507a24 | 2801 | /* Place the symbol for this revision. */ |
c65a501a | 2802 | append_to_rev_graph(graph, symbol); |
2b757533 | 2803 | |
e937c2c8 JF |
2804 | if (graph->prev->size > graph->size) |
2805 | filler = &fillers[RDIAG]; | |
2806 | else | |
2807 | filler = &fillers[DEFAULT]; | |
2808 | ||
c8d60a25 | 2809 | i++; |
2b757533 | 2810 | |
c65a501a | 2811 | for (; i < graph->size; i++) { |
e937c2c8 JF |
2812 | append_to_rev_graph(graph, filler->separator); |
2813 | append_to_rev_graph(graph, filler->line); | |
2814 | if (graph_parent_is_merge(graph->prev) && | |
2815 | i < graph->prev->pos + graph->parents->size) | |
2816 | filler = &fillers[RSHARP]; | |
2817 | if (graph->prev->size > graph->size) | |
2818 | filler = &fillers[LDIAG]; | |
c65a501a JF |
2819 | } |
2820 | ||
2821 | if (graph->prev->size > graph->size) { | |
e937c2c8 JF |
2822 | append_to_rev_graph(graph, filler->separator); |
2823 | if (filler->line != ' ') | |
2824 | append_to_rev_graph(graph, filler->line); | |
2b757533 | 2825 | } |
b5d8f208 JF |
2826 | } |
2827 | ||
61eed810 JF |
2828 | /* Prepare the next rev graph */ |
2829 | static void | |
2830 | prepare_rev_graph(struct rev_graph *graph) | |
b5d8f208 | 2831 | { |
b5d8f208 JF |
2832 | size_t i; |
2833 | ||
320df4ea | 2834 | /* First, traverse all lines of revisions up to the active one. */ |
c65a501a JF |
2835 | for (graph->pos = 0; graph->pos < graph->size; graph->pos++) { |
2836 | if (!strcmp(graph->rev[graph->pos], graph->commit->id)) | |
b5d8f208 | 2837 | break; |
b5d8f208 | 2838 | |
2ce5c87c | 2839 | push_rev_graph(graph->next, graph->rev[graph->pos]); |
b5d8f208 JF |
2840 | } |
2841 | ||
320df4ea | 2842 | /* Interleave the new revision parent(s). */ |
c65a501a | 2843 | for (i = 0; i < graph->parents->size; i++) |
2ce5c87c | 2844 | push_rev_graph(graph->next, graph->parents->rev[i]); |
b5d8f208 | 2845 | |
320df4ea | 2846 | /* Lastly, put any remaining revisions. */ |
c65a501a | 2847 | for (i = graph->pos + 1; i < graph->size; i++) |
2ce5c87c | 2848 | push_rev_graph(graph->next, graph->rev[i]); |
61eed810 JF |
2849 | } |
2850 | ||
2851 | static void | |
2852 | update_rev_graph(struct rev_graph *graph) | |
2853 | { | |
446a5c36 JF |
2854 | /* If this is the finalizing update ... */ |
2855 | if (graph->commit) | |
2856 | prepare_rev_graph(graph); | |
2857 | ||
2858 | /* Graph visualization needs a one rev look-ahead, | |
2859 | * so the first update doesn't visualize anything. */ | |
2860 | if (!graph->prev->commit) | |
2861 | return; | |
c65a501a | 2862 | |
61eed810 JF |
2863 | draw_rev_graph(graph->prev); |
2864 | done_rev_graph(graph->prev->prev); | |
2b757533 JF |
2865 | } |
2866 | ||
ccc33449 JF |
2867 | |
2868 | /* | |
2869 | * Main view backend | |
2870 | */ | |
2871 | ||
2872 | static bool | |
2873 | main_draw(struct view *view, struct line *line, unsigned int lineno, bool selected) | |
2874 | { | |
2875 | char buf[DATE_COLS + 1]; | |
2876 | struct commit *commit = line->data; | |
2877 | enum line_type type; | |
2878 | int col = 0; | |
2879 | size_t timelen; | |
2880 | size_t authorlen; | |
2881 | int trimmed = 1; | |
2882 | ||
2883 | if (!*commit->author) | |
2884 | return FALSE; | |
2885 | ||
2886 | wmove(view->win, lineno, col); | |
2887 | ||
2888 | if (selected) { | |
2889 | type = LINE_CURSOR; | |
2890 | wattrset(view->win, get_line_attr(type)); | |
2891 | wchgat(view->win, -1, 0, type, NULL); | |
2892 | ||
2893 | } else { | |
2894 | type = LINE_MAIN_COMMIT; | |
2895 | wattrset(view->win, get_line_attr(LINE_MAIN_DATE)); | |
2896 | } | |
2897 | ||
2898 | timelen = strftime(buf, sizeof(buf), DATE_FORMAT, &commit->time); | |
2899 | waddnstr(view->win, buf, timelen); | |
2900 | waddstr(view->win, " "); | |
2901 | ||
2902 | col += DATE_COLS; | |
2903 | wmove(view->win, lineno, col); | |
2904 | if (type != LINE_CURSOR) | |
2905 | wattrset(view->win, get_line_attr(LINE_MAIN_AUTHOR)); | |
2906 | ||
2907 | if (opt_utf8) { | |
2908 | authorlen = utf8_length(commit->author, AUTHOR_COLS - 2, &col, &trimmed); | |
2909 | } else { | |
2910 | authorlen = strlen(commit->author); | |
2911 | if (authorlen > AUTHOR_COLS - 2) { | |
2912 | authorlen = AUTHOR_COLS - 2; | |
2913 | trimmed = 1; | |
2914 | } | |
2915 | } | |
2916 | ||
2917 | if (trimmed) { | |
2918 | waddnstr(view->win, commit->author, authorlen); | |
2919 | if (type != LINE_CURSOR) | |
2920 | wattrset(view->win, get_line_attr(LINE_MAIN_DELIM)); | |
2921 | waddch(view->win, '~'); | |
2922 | } else { | |
2923 | waddstr(view->win, commit->author); | |
2924 | } | |
2925 | ||
2926 | col += AUTHOR_COLS; | |
2927 | if (type != LINE_CURSOR) | |
2928 | wattrset(view->win, A_NORMAL); | |
2929 | ||
2930 | if (opt_rev_graph && commit->graph_size) { | |
2931 | size_t i; | |
2932 | ||
2933 | wmove(view->win, lineno, col); | |
2934 | /* Using waddch() instead of waddnstr() ensures that | |
2935 | * they'll be rendered correctly for the cursor line. */ | |
2936 | for (i = 0; i < commit->graph_size; i++) | |
2937 | waddch(view->win, commit->graph[i]); | |
2938 | ||
8716b9ed | 2939 | waddch(view->win, ' '); |
ccc33449 JF |
2940 | col += commit->graph_size + 1; |
2941 | } | |
2942 | ||
2943 | wmove(view->win, lineno, col); | |
2944 | ||
2945 | if (commit->refs) { | |
2946 | size_t i = 0; | |
2947 | ||
2948 | do { | |
2949 | if (type == LINE_CURSOR) | |
2950 | ; | |
2951 | else if (commit->refs[i]->tag) | |
2952 | wattrset(view->win, get_line_attr(LINE_MAIN_TAG)); | |
2953 | else | |
2954 | wattrset(view->win, get_line_attr(LINE_MAIN_REF)); | |
2955 | waddstr(view->win, "["); | |
2956 | waddstr(view->win, commit->refs[i]->name); | |
2957 | waddstr(view->win, "]"); | |
2958 | if (type != LINE_CURSOR) | |
2959 | wattrset(view->win, A_NORMAL); | |
2960 | waddstr(view->win, " "); | |
2961 | col += strlen(commit->refs[i]->name) + STRING_SIZE("[] "); | |
2962 | } while (commit->refs[i++]->next); | |
2963 | } | |
2964 | ||
2965 | if (type != LINE_CURSOR) | |
2966 | wattrset(view->win, get_line_attr(type)); | |
2967 | ||
2968 | { | |
2969 | int titlelen = strlen(commit->title); | |
2970 | ||
2971 | if (col + titlelen > view->width) | |
2972 | titlelen = view->width - col; | |
2973 | ||
2974 | waddnstr(view->win, commit->title, titlelen); | |
2975 | } | |
2976 | ||
2977 | return TRUE; | |
2978 | } | |
2979 | ||
4c6fabc2 | 2980 | /* Reads git log --pretty=raw output and parses it into the commit struct. */ |
6b161b31 | 2981 | static bool |
701e4f5d | 2982 | main_read(struct view *view, char *line) |
22f66b0a | 2983 | { |
2ce5c87c | 2984 | static struct rev_graph *graph = graph_stacks; |
be04d936 | 2985 | enum line_type type; |
701e4f5d JF |
2986 | struct commit *commit = view->lines |
2987 | ? view->line[view->lines - 1].data : NULL; | |
22f66b0a | 2988 | |
be04d936 | 2989 | if (!line) { |
446a5c36 | 2990 | update_rev_graph(graph); |
be04d936 JF |
2991 | return TRUE; |
2992 | } | |
2993 | ||
2994 | type = get_line_type(line); | |
2995 | ||
78c70acd JF |
2996 | switch (type) { |
2997 | case LINE_COMMIT: | |
22f66b0a JF |
2998 | commit = calloc(1, sizeof(struct commit)); |
2999 | if (!commit) | |
3000 | return FALSE; | |
3001 | ||
4c6fabc2 | 3002 | line += STRING_SIZE("commit "); |
b76c2afc | 3003 | |
fe7233c3 | 3004 | view->line[view->lines++].data = commit; |
82e78006 | 3005 | string_copy(commit->id, line); |
c34d9c9f | 3006 | commit->refs = get_refs(commit->id); |
c65a501a | 3007 | graph->commit = commit; |
2b757533 JF |
3008 | break; |
3009 | ||
3010 | case LINE_PARENT: | |
3011 | if (commit) { | |
3012 | line += STRING_SIZE("parent "); | |
2ce5c87c | 3013 | push_rev_graph(graph->parents, line); |
2b757533 | 3014 | } |
78c70acd | 3015 | break; |
22f66b0a | 3016 | |
8855ada4 | 3017 | case LINE_AUTHOR: |
b76c2afc | 3018 | { |
4c6fabc2 | 3019 | char *ident = line + STRING_SIZE("author "); |
b76c2afc JF |
3020 | char *end = strchr(ident, '<'); |
3021 | ||
701e4f5d | 3022 | if (!commit) |
fe7233c3 JF |
3023 | break; |
3024 | ||
c65a501a JF |
3025 | update_rev_graph(graph); |
3026 | graph = graph->next; | |
2b757533 | 3027 | |
b76c2afc | 3028 | if (end) { |
cbbf2d1b JF |
3029 | char *email = end + 1; |
3030 | ||
b76c2afc | 3031 | for (; end > ident && isspace(end[-1]); end--) ; |
cbbf2d1b JF |
3032 | |
3033 | if (end == ident && *email) { | |
3034 | ident = email; | |
3035 | end = strchr(ident, '>'); | |
3036 | for (; end > ident && isspace(end[-1]); end--) ; | |
3037 | } | |
b76c2afc JF |
3038 | *end = 0; |
3039 | } | |
3040 | ||
cbbf2d1b JF |
3041 | /* End is NULL or ident meaning there's no author. */ |
3042 | if (end <= ident) | |
3043 | ident = "Unknown"; | |
3044 | ||
82e78006 | 3045 | string_copy(commit->author, ident); |
b76c2afc | 3046 | |
4c6fabc2 | 3047 | /* Parse epoch and timezone */ |
b76c2afc JF |
3048 | if (end) { |
3049 | char *secs = strchr(end + 1, '>'); | |
3050 | char *zone; | |
3051 | time_t time; | |
3052 | ||
3053 | if (!secs || secs[1] != ' ') | |
3054 | break; | |
3055 | ||
3056 | secs += 2; | |
3057 | time = (time_t) atol(secs); | |
3058 | zone = strchr(secs, ' '); | |
4c6fabc2 | 3059 | if (zone && strlen(zone) == STRING_SIZE(" +0700")) { |
b76c2afc JF |
3060 | long tz; |
3061 | ||
3062 | zone++; | |
3063 | tz = ('0' - zone[1]) * 60 * 60 * 10; | |
3064 | tz += ('0' - zone[2]) * 60 * 60; | |
3065 | tz += ('0' - zone[3]) * 60; | |
3066 | tz += ('0' - zone[4]) * 60; | |
3067 | ||
3068 | if (zone[0] == '-') | |
3069 | tz = -tz; | |
3070 | ||
3071 | time -= tz; | |
3072 | } | |
3073 | gmtime_r(&time, &commit->time); | |
3074 | } | |
3075 | break; | |
3076 | } | |
78c70acd | 3077 | default: |
701e4f5d | 3078 | if (!commit) |
2e8488b4 JF |
3079 | break; |
3080 | ||
3081 | /* Fill in the commit title if it has not already been set. */ | |
2e8488b4 JF |
3082 | if (commit->title[0]) |
3083 | break; | |
3084 | ||
3085 | /* Require titles to start with a non-space character at the | |
3086 | * offset used by git log. */ | |
eb98559e JF |
3087 | /* FIXME: More gracefull handling of titles; append "..." to |
3088 | * shortened titles, etc. */ | |
2e8488b4 | 3089 | if (strncmp(line, " ", 4) || |
eb98559e | 3090 | isspace(line[4])) |
82e78006 JF |
3091 | break; |
3092 | ||
3093 | string_copy(commit->title, line + 4); | |
22f66b0a JF |
3094 | } |
3095 | ||
3096 | return TRUE; | |
3097 | } | |
3098 | ||
6b161b31 | 3099 | static bool |
fe7233c3 | 3100 | main_enter(struct view *view, struct line *line) |
b801d8b2 | 3101 | { |
b3a54cba JF |
3102 | enum open_flags flags = display[0] == view ? OPEN_SPLIT : OPEN_DEFAULT; |
3103 | ||
3104 | open_view(view, REQ_VIEW_DIFF, flags); | |
6b161b31 | 3105 | return TRUE; |
b801d8b2 JF |
3106 | } |
3107 | ||
4af34daa JF |
3108 | static bool |
3109 | main_grep(struct view *view, struct line *line) | |
3110 | { | |
3111 | struct commit *commit = line->data; | |
3112 | enum { S_TITLE, S_AUTHOR, S_DATE, S_END } state; | |
3113 | char buf[DATE_COLS + 1]; | |
3114 | regmatch_t pmatch; | |
3115 | ||
3116 | for (state = S_TITLE; state < S_END; state++) { | |
3117 | char *text; | |
3118 | ||
3119 | switch (state) { | |
3120 | case S_TITLE: text = commit->title; break; | |
3121 | case S_AUTHOR: text = commit->author; break; | |
3122 | case S_DATE: | |
3123 | if (!strftime(buf, sizeof(buf), DATE_FORMAT, &commit->time)) | |
3124 | continue; | |
3125 | text = buf; | |
3126 | break; | |
3127 | ||
3128 | default: | |
3129 | return FALSE; | |
3130 | } | |
3131 | ||
b77b2cb8 | 3132 | if (regexec(view->regex, text, 1, &pmatch, 0) != REG_NOMATCH) |
4af34daa JF |
3133 | return TRUE; |
3134 | } | |
3135 | ||
3136 | return FALSE; | |
3137 | } | |
3138 | ||
d720de4b JF |
3139 | static void |
3140 | main_select(struct view *view, struct line *line) | |
3141 | { | |
3142 | struct commit *commit = line->data; | |
3143 | ||
3144 | string_copy(view->ref, commit->id); | |
3145 | string_copy(ref_commit, view->ref); | |
3146 | } | |
3147 | ||
6b161b31 | 3148 | static struct view_ops main_ops = { |
6734f6b9 | 3149 | "commit", |
6b161b31 JF |
3150 | main_draw, |
3151 | main_read, | |
3152 | main_enter, | |
4af34daa | 3153 | main_grep, |
d720de4b | 3154 | main_select, |
6b161b31 | 3155 | }; |
2e8488b4 | 3156 | |
c34d9c9f | 3157 | |
6b161b31 | 3158 | /* |
10e290ee JF |
3159 | * Unicode / UTF-8 handling |
3160 | * | |
3161 | * NOTE: Much of the following code for dealing with unicode is derived from | |
3162 | * ELinks' UTF-8 code developed by Scrool <scroolik@gmail.com>. Origin file is | |
3163 | * src/intl/charset.c from the utf8 branch commit elinks-0.11.0-g31f2c28. | |
3164 | */ | |
3165 | ||
3166 | /* I've (over)annotated a lot of code snippets because I am not entirely | |
3167 | * confident that the approach taken by this small UTF-8 interface is correct. | |
3168 | * --jonas */ | |
3169 | ||
3170 | static inline int | |
3171 | unicode_width(unsigned long c) | |
3172 | { | |
3173 | if (c >= 0x1100 && | |
3174 | (c <= 0x115f /* Hangul Jamo */ | |
3175 | || c == 0x2329 | |
3176 | || c == 0x232a | |
3177 | || (c >= 0x2e80 && c <= 0xa4cf && c != 0x303f) | |
f97f4012 | 3178 | /* CJK ... Yi */ |
10e290ee JF |
3179 | || (c >= 0xac00 && c <= 0xd7a3) /* Hangul Syllables */ |
3180 | || (c >= 0xf900 && c <= 0xfaff) /* CJK Compatibility Ideographs */ | |
3181 | || (c >= 0xfe30 && c <= 0xfe6f) /* CJK Compatibility Forms */ | |
3182 | || (c >= 0xff00 && c <= 0xff60) /* Fullwidth Forms */ | |
3183 | || (c >= 0xffe0 && c <= 0xffe6) | |
3184 | || (c >= 0x20000 && c <= 0x2fffd) | |
3185 | || (c >= 0x30000 && c <= 0x3fffd))) | |
3186 | return 2; | |
3187 | ||
3188 | return 1; | |
3189 | } | |
3190 | ||
3191 | /* Number of bytes used for encoding a UTF-8 character indexed by first byte. | |
3192 | * Illegal bytes are set one. */ | |
3193 | static const unsigned char utf8_bytes[256] = { | |
3194 | 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, | |
3195 | 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, | |
3196 | 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, | |
3197 | 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, | |
3198 | 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, | |
3199 | 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, | |
3200 | 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, | |
3201 | 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, | |
3202 | }; | |
3203 | ||
3204 | /* Decode UTF-8 multi-byte representation into a unicode character. */ | |
3205 | static inline unsigned long | |
3206 | utf8_to_unicode(const char *string, size_t length) | |
3207 | { | |
3208 | unsigned long unicode; | |
3209 | ||
3210 | switch (length) { | |
3211 | case 1: | |
3212 | unicode = string[0]; | |
3213 | break; | |
3214 | case 2: | |
3215 | unicode = (string[0] & 0x1f) << 6; | |
3216 | unicode += (string[1] & 0x3f); | |
3217 | break; | |
3218 | case 3: | |
3219 | unicode = (string[0] & 0x0f) << 12; | |
3220 | unicode += ((string[1] & 0x3f) << 6); | |
3221 | unicode += (string[2] & 0x3f); | |
3222 | break; | |
3223 | case 4: | |
3224 | unicode = (string[0] & 0x0f) << 18; | |
3225 | unicode += ((string[1] & 0x3f) << 12); | |
3226 | unicode += ((string[2] & 0x3f) << 6); | |
3227 | unicode += (string[3] & 0x3f); | |
3228 | break; | |
3229 | case 5: | |
3230 | unicode = (string[0] & 0x0f) << 24; | |
3231 | unicode += ((string[1] & 0x3f) << 18); | |
3232 | unicode += ((string[2] & 0x3f) << 12); | |
3233 | unicode += ((string[3] & 0x3f) << 6); | |
3234 | unicode += (string[4] & 0x3f); | |
3235 | break; | |
68b6e0eb | 3236 | case 6: |
10e290ee JF |
3237 | unicode = (string[0] & 0x01) << 30; |
3238 | unicode += ((string[1] & 0x3f) << 24); | |
3239 | unicode += ((string[2] & 0x3f) << 18); | |
3240 | unicode += ((string[3] & 0x3f) << 12); | |
3241 | unicode += ((string[4] & 0x3f) << 6); | |
3242 | unicode += (string[5] & 0x3f); | |
3243 | break; | |
3244 | default: | |
3245 | die("Invalid unicode length"); | |
3246 | } | |
3247 | ||
3248 | /* Invalid characters could return the special 0xfffd value but NUL | |
3249 | * should be just as good. */ | |
3250 | return unicode > 0xffff ? 0 : unicode; | |
3251 | } | |
3252 | ||
3253 | /* Calculates how much of string can be shown within the given maximum width | |
3254 | * and sets trimmed parameter to non-zero value if all of string could not be | |
3255 | * shown. | |
3256 | * | |
3257 | * Additionally, adds to coloffset how many many columns to move to align with | |
3258 | * the expected position. Takes into account how multi-byte and double-width | |
3259 | * characters will effect the cursor position. | |
3260 | * | |
3261 | * Returns the number of bytes to output from string to satisfy max_width. */ | |
3262 | static size_t | |
3263 | utf8_length(const char *string, size_t max_width, int *coloffset, int *trimmed) | |
3264 | { | |
3265 | const char *start = string; | |
3266 | const char *end = strchr(string, '\0'); | |
3267 | size_t mbwidth = 0; | |
3268 | size_t width = 0; | |
3269 | ||
3270 | *trimmed = 0; | |
3271 | ||
3272 | while (string < end) { | |
3273 | int c = *(unsigned char *) string; | |
3274 | unsigned char bytes = utf8_bytes[c]; | |
3275 | size_t ucwidth; | |
3276 | unsigned long unicode; | |
3277 | ||
3278 | if (string + bytes > end) | |
3279 | break; | |
3280 | ||
3281 | /* Change representation to figure out whether | |
3282 | * it is a single- or double-width character. */ | |
3283 | ||
3284 | unicode = utf8_to_unicode(string, bytes); | |
3285 | /* FIXME: Graceful handling of invalid unicode character. */ | |
3286 | if (!unicode) | |
3287 | break; | |
3288 | ||
3289 | ucwidth = unicode_width(unicode); | |
3290 | width += ucwidth; | |
3291 | if (width > max_width) { | |
3292 | *trimmed = 1; | |
3293 | break; | |
3294 | } | |
3295 | ||
3296 | /* The column offset collects the differences between the | |
3297 | * number of bytes encoding a character and the number of | |
3298 | * columns will be used for rendering said character. | |
3299 | * | |
3300 | * So if some character A is encoded in 2 bytes, but will be | |
3301 | * represented on the screen using only 1 byte this will and up | |
3302 | * adding 1 to the multi-byte column offset. | |
3303 | * | |
3304 | * Assumes that no double-width character can be encoding in | |
3305 | * less than two bytes. */ | |
3306 | if (bytes > ucwidth) | |
3307 | mbwidth += bytes - ucwidth; | |
3308 | ||
3309 | string += bytes; | |
3310 | } | |
3311 | ||
3312 | *coloffset += mbwidth; | |
3313 | ||
3314 | return string - start; | |
3315 | } | |
3316 | ||
3317 | ||
3318 | /* | |
6b161b31 JF |
3319 | * Status management |
3320 | */ | |
2e8488b4 | 3321 | |
8855ada4 | 3322 | /* Whether or not the curses interface has been initialized. */ |
68b6e0eb | 3323 | static bool cursed = FALSE; |
8855ada4 | 3324 | |
6b161b31 JF |
3325 | /* The status window is used for polling keystrokes. */ |
3326 | static WINDOW *status_win; | |
4a2909a7 | 3327 | |
2e8488b4 | 3328 | /* Update status and title window. */ |
4a2909a7 JF |
3329 | static void |
3330 | report(const char *msg, ...) | |
3331 | { | |
6706b2ba JF |
3332 | static bool empty = TRUE; |
3333 | struct view *view = display[current_view]; | |
b76c2afc | 3334 | |
6706b2ba JF |
3335 | if (!empty || *msg) { |
3336 | va_list args; | |
4a2909a7 | 3337 | |
6706b2ba | 3338 | va_start(args, msg); |
4b76734f | 3339 | |
6706b2ba JF |
3340 | werase(status_win); |
3341 | wmove(status_win, 0, 0); | |
3342 | if (*msg) { | |
3343 | vwprintw(status_win, msg, args); | |
3344 | empty = FALSE; | |
3345 | } else { | |
3346 | empty = TRUE; | |
3347 | } | |
3348 | wrefresh(status_win); | |
b801d8b2 | 3349 | |
6706b2ba JF |
3350 | va_end(args); |
3351 | } | |
3352 | ||
3353 | update_view_title(view); | |
85af6284 | 3354 | update_display_cursor(); |
b801d8b2 JF |
3355 | } |
3356 | ||
6b161b31 JF |
3357 | /* Controls when nodelay should be in effect when polling user input. */ |
3358 | static void | |
1ba2ae4b | 3359 | set_nonblocking_input(bool loading) |
b801d8b2 | 3360 | { |
6706b2ba | 3361 | static unsigned int loading_views; |
b801d8b2 | 3362 | |
6706b2ba JF |
3363 | if ((loading == FALSE && loading_views-- == 1) || |
3364 | (loading == TRUE && loading_views++ == 0)) | |
1ba2ae4b | 3365 | nodelay(status_win, loading); |
6b161b31 JF |
3366 | } |
3367 | ||
3368 | static void | |
3369 | init_display(void) | |
3370 | { | |
3371 | int x, y; | |
b76c2afc | 3372 | |
6908bdbd JF |
3373 | /* Initialize the curses library */ |
3374 | if (isatty(STDIN_FILENO)) { | |
8855ada4 | 3375 | cursed = !!initscr(); |
6908bdbd JF |
3376 | } else { |
3377 | /* Leave stdin and stdout alone when acting as a pager. */ | |
3378 | FILE *io = fopen("/dev/tty", "r+"); | |
3379 | ||
e6f60674 JF |
3380 | if (!io) |
3381 | die("Failed to open /dev/tty"); | |
8855ada4 | 3382 | cursed = !!newterm(NULL, io, io); |
6908bdbd JF |
3383 | } |
3384 | ||
8855ada4 JF |
3385 | if (!cursed) |
3386 | die("Failed to initialize curses"); | |
3387 | ||
2e8488b4 JF |
3388 | nonl(); /* Tell curses not to do NL->CR/NL on output */ |
3389 | cbreak(); /* Take input chars one at a time, no wait for \n */ | |
3390 | noecho(); /* Don't echo input */ | |
b801d8b2 | 3391 | leaveok(stdscr, TRUE); |
b801d8b2 JF |
3392 | |
3393 | if (has_colors()) | |
3394 | init_colors(); | |
3395 | ||
3396 | getmaxyx(stdscr, y, x); | |
3397 | status_win = newwin(1, 0, y - 1, 0); | |
3398 | if (!status_win) | |
3399 | die("Failed to create status window"); | |
3400 | ||
3401 | /* Enable keyboard mapping */ | |
3402 | keypad(status_win, TRUE); | |
78c70acd | 3403 | wbkgdset(status_win, get_line_attr(LINE_STATUS)); |
6b161b31 JF |
3404 | } |
3405 | ||
4af34daa | 3406 | static char * |
cb9e48c1 | 3407 | read_prompt(const char *prompt) |
ef5404a4 JF |
3408 | { |
3409 | enum { READING, STOP, CANCEL } status = READING; | |
9e21ce5c | 3410 | static char buf[sizeof(opt_cmd) - STRING_SIZE("git \0")]; |
ef5404a4 JF |
3411 | int pos = 0; |
3412 | ||
3413 | while (status == READING) { | |
3414 | struct view *view; | |
3415 | int i, key; | |
3416 | ||
699ae55b | 3417 | foreach_view (view, i) |
ef5404a4 JF |
3418 | update_view(view); |
3419 | ||
cb9e48c1 | 3420 | report("%s%.*s", prompt, pos, buf); |
ef5404a4 JF |
3421 | /* Refresh, accept single keystroke of input */ |
3422 | key = wgetch(status_win); | |
3423 | switch (key) { | |
3424 | case KEY_RETURN: | |
3425 | case KEY_ENTER: | |
3426 | case '\n': | |
3427 | status = pos ? STOP : CANCEL; | |
3428 | break; | |
3429 | ||
3430 | case KEY_BACKSPACE: | |
3431 | if (pos > 0) | |
3432 | pos--; | |
3433 | else | |
3434 | status = CANCEL; | |
3435 | break; | |
3436 | ||
3437 | case KEY_ESC: | |
3438 | status = CANCEL; | |
3439 | break; | |
3440 | ||
3441 | case ERR: | |
3442 | break; | |
3443 | ||
3444 | default: | |
3445 | if (pos >= sizeof(buf)) { | |
3446 | report("Input string too long"); | |
9e21ce5c | 3447 | return NULL; |
ef5404a4 JF |
3448 | } |
3449 | ||
3450 | if (isprint(key)) | |
3451 | buf[pos++] = (char) key; | |
3452 | } | |
3453 | } | |
3454 | ||
3455 | if (status == CANCEL) { | |
3456 | /* Clear the status window */ | |
3457 | report(""); | |
9e21ce5c | 3458 | return NULL; |
ef5404a4 JF |
3459 | } |
3460 | ||
3461 | buf[pos++] = 0; | |
ef5404a4 | 3462 | |
9e21ce5c | 3463 | return buf; |
ef5404a4 | 3464 | } |
c34d9c9f JF |
3465 | |
3466 | /* | |
3467 | * Repository references | |
3468 | */ | |
3469 | ||
3470 | static struct ref *refs; | |
3a91b75e | 3471 | static size_t refs_size; |
c34d9c9f | 3472 | |
1307df1a JF |
3473 | /* Id <-> ref store */ |
3474 | static struct ref ***id_refs; | |
3475 | static size_t id_refs_size; | |
3476 | ||
c34d9c9f JF |
3477 | static struct ref ** |
3478 | get_refs(char *id) | |
3479 | { | |
1307df1a JF |
3480 | struct ref ***tmp_id_refs; |
3481 | struct ref **ref_list = NULL; | |
3482 | size_t ref_list_size = 0; | |
c34d9c9f JF |
3483 | size_t i; |
3484 | ||
1307df1a JF |
3485 | for (i = 0; i < id_refs_size; i++) |
3486 | if (!strcmp(id, id_refs[i][0]->id)) | |
3487 | return id_refs[i]; | |
3488 | ||
3489 | tmp_id_refs = realloc(id_refs, (id_refs_size + 1) * sizeof(*id_refs)); | |
3490 | if (!tmp_id_refs) | |
3491 | return NULL; | |
3492 | ||
3493 | id_refs = tmp_id_refs; | |
3494 | ||
c34d9c9f JF |
3495 | for (i = 0; i < refs_size; i++) { |
3496 | struct ref **tmp; | |
3497 | ||
3498 | if (strcmp(id, refs[i].id)) | |
3499 | continue; | |
3500 | ||
1307df1a | 3501 | tmp = realloc(ref_list, (ref_list_size + 1) * sizeof(*ref_list)); |
c34d9c9f | 3502 | if (!tmp) { |
1307df1a JF |
3503 | if (ref_list) |
3504 | free(ref_list); | |
c34d9c9f JF |
3505 | return NULL; |
3506 | } | |
3507 | ||
1307df1a JF |
3508 | ref_list = tmp; |
3509 | if (ref_list_size > 0) | |
3510 | ref_list[ref_list_size - 1]->next = 1; | |
3511 | ref_list[ref_list_size] = &refs[i]; | |
3af8774e JF |
3512 | |
3513 | /* XXX: The properties of the commit chains ensures that we can | |
3514 | * safely modify the shared ref. The repo references will | |
3515 | * always be similar for the same id. */ | |
1307df1a JF |
3516 | ref_list[ref_list_size]->next = 0; |
3517 | ref_list_size++; | |
c34d9c9f JF |
3518 | } |
3519 | ||
1307df1a JF |
3520 | if (ref_list) |
3521 | id_refs[id_refs_size++] = ref_list; | |
3522 | ||
3523 | return ref_list; | |
c34d9c9f JF |
3524 | } |
3525 | ||
3526 | static int | |
d0cea5f9 | 3527 | read_ref(char *id, int idlen, char *name, int namelen) |
c34d9c9f | 3528 | { |
d0cea5f9 JF |
3529 | struct ref *ref; |
3530 | bool tag = FALSE; | |
d0cea5f9 | 3531 | |
8b0297ae JF |
3532 | if (!strncmp(name, "refs/tags/", STRING_SIZE("refs/tags/"))) { |
3533 | /* Commits referenced by tags has "^{}" appended. */ | |
3534 | if (name[namelen - 1] != '}') | |
3535 | return OK; | |
3536 | ||
d0cea5f9 JF |
3537 | while (namelen > 0 && name[namelen] != '^') |
3538 | namelen--; | |
c34d9c9f | 3539 | |
d0cea5f9 | 3540 | tag = TRUE; |
8b0297ae JF |
3541 | namelen -= STRING_SIZE("refs/tags/"); |
3542 | name += STRING_SIZE("refs/tags/"); | |
c34d9c9f | 3543 | |
d0cea5f9 | 3544 | } else if (!strncmp(name, "refs/heads/", STRING_SIZE("refs/heads/"))) { |
8b0297ae JF |
3545 | namelen -= STRING_SIZE("refs/heads/"); |
3546 | name += STRING_SIZE("refs/heads/"); | |
c34d9c9f | 3547 | |
d0cea5f9 JF |
3548 | } else if (!strcmp(name, "HEAD")) { |
3549 | return OK; | |
3550 | } | |
6706b2ba | 3551 | |
d0cea5f9 JF |
3552 | refs = realloc(refs, sizeof(*refs) * (refs_size + 1)); |
3553 | if (!refs) | |
3554 | return ERR; | |
c34d9c9f | 3555 | |
d0cea5f9 | 3556 | ref = &refs[refs_size++]; |
8b0297ae | 3557 | ref->name = malloc(namelen + 1); |
d0cea5f9 JF |
3558 | if (!ref->name) |
3559 | return ERR; | |
3af8774e | 3560 | |
8b0297ae JF |
3561 | strncpy(ref->name, name, namelen); |
3562 | ref->name[namelen] = 0; | |
d0cea5f9 JF |
3563 | ref->tag = tag; |
3564 | string_copy(ref->id, id); | |
3af8774e | 3565 | |
d0cea5f9 JF |
3566 | return OK; |
3567 | } | |
c34d9c9f | 3568 | |
d0cea5f9 JF |
3569 | static int |
3570 | load_refs(void) | |
3571 | { | |
3572 | const char *cmd_env = getenv("TIG_LS_REMOTE"); | |
3573 | const char *cmd = cmd_env && *cmd_env ? cmd_env : TIG_LS_REMOTE; | |
c34d9c9f | 3574 | |
4a63c884 | 3575 | return read_properties(popen(cmd, "r"), "\t", read_ref); |
d0cea5f9 | 3576 | } |
c34d9c9f | 3577 | |
d0cea5f9 | 3578 | static int |
14c778a6 | 3579 | read_repo_config_option(char *name, int namelen, char *value, int valuelen) |
d0cea5f9 | 3580 | { |
22913179 | 3581 | if (!strcmp(name, "i18n.commitencoding")) |
d0cea5f9 | 3582 | string_copy(opt_encoding, value); |
c34d9c9f | 3583 | |
c34d9c9f JF |
3584 | return OK; |
3585 | } | |
3586 | ||
4670cf89 | 3587 | static int |
14c778a6 | 3588 | load_repo_config(void) |
4670cf89 | 3589 | { |
66749723 | 3590 | return read_properties(popen("git repo-config --list", "r"), |
14c778a6 | 3591 | "=", read_repo_config_option); |
d0cea5f9 JF |
3592 | } |
3593 | ||
3594 | static int | |
4a63c884 | 3595 | read_properties(FILE *pipe, const char *separators, |
d0cea5f9 JF |
3596 | int (*read_property)(char *, int, char *, int)) |
3597 | { | |
4670cf89 JF |
3598 | char buffer[BUFSIZ]; |
3599 | char *name; | |
d0cea5f9 | 3600 | int state = OK; |
4670cf89 JF |
3601 | |
3602 | if (!pipe) | |
3603 | return ERR; | |
3604 | ||
d0cea5f9 | 3605 | while (state == OK && (name = fgets(buffer, sizeof(buffer), pipe))) { |
4a63c884 JF |
3606 | char *value; |
3607 | size_t namelen; | |
3608 | size_t valuelen; | |
4670cf89 | 3609 | |
4a63c884 JF |
3610 | name = chomp_string(name); |
3611 | namelen = strcspn(name, separators); | |
3612 | ||
3613 | if (name[namelen]) { | |
3614 | name[namelen] = 0; | |
3615 | value = chomp_string(name + namelen + 1); | |
d0cea5f9 | 3616 | valuelen = strlen(value); |
4670cf89 | 3617 | |
d0cea5f9 | 3618 | } else { |
d0cea5f9 JF |
3619 | value = ""; |
3620 | valuelen = 0; | |
4670cf89 | 3621 | } |
d0cea5f9 | 3622 | |
3c3801c2 | 3623 | state = read_property(name, namelen, value, valuelen); |
4670cf89 JF |
3624 | } |
3625 | ||
d0cea5f9 JF |
3626 | if (state != ERR && ferror(pipe)) |
3627 | state = ERR; | |
4670cf89 JF |
3628 | |
3629 | pclose(pipe); | |
3630 | ||
d0cea5f9 | 3631 | return state; |
4670cf89 JF |
3632 | } |
3633 | ||
d0cea5f9 | 3634 | |
6b161b31 JF |
3635 | /* |
3636 | * Main | |
3637 | */ | |
3638 | ||
b5c9e67f | 3639 | static void __NORETURN |
6b161b31 JF |
3640 | quit(int sig) |
3641 | { | |
8855ada4 JF |
3642 | /* XXX: Restore tty modes and let the OS cleanup the rest! */ |
3643 | if (cursed) | |
3644 | endwin(); | |
6b161b31 JF |
3645 | exit(0); |
3646 | } | |
3647 | ||
c6704a4e JF |
3648 | static void __NORETURN |
3649 | die(const char *err, ...) | |
6b161b31 JF |
3650 | { |
3651 | va_list args; | |
3652 | ||
3653 | endwin(); | |
3654 | ||
3655 | va_start(args, err); | |
3656 | fputs("tig: ", stderr); | |
3657 | vfprintf(stderr, err, args); | |
3658 | fputs("\n", stderr); | |
3659 | va_end(args); | |
3660 | ||
3661 | exit(1); | |
3662 | } | |
3663 | ||
3664 | int | |
3665 | main(int argc, char *argv[]) | |
3666 | { | |
1ba2ae4b | 3667 | struct view *view; |
6b161b31 | 3668 | enum request request; |
1ba2ae4b | 3669 | size_t i; |
6b161b31 JF |
3670 | |
3671 | signal(SIGINT, quit); | |
3672 | ||
6b68fd24 JF |
3673 | if (setlocale(LC_ALL, "")) { |
3674 | string_copy(opt_codeset, nl_langinfo(CODESET)); | |
3675 | } | |
3676 | ||
660e09ad JF |
3677 | if (load_options() == ERR) |
3678 | die("Failed to load user config."); | |
3679 | ||
3680 | /* Load the repo config file so options can be overwritten from | |
afdc35b3 | 3681 | * the command line. */ |
14c778a6 | 3682 | if (load_repo_config() == ERR) |
afdc35b3 JF |
3683 | die("Failed to load repo config."); |
3684 | ||
8855ada4 | 3685 | if (!parse_options(argc, argv)) |
6b161b31 JF |
3686 | return 0; |
3687 | ||
6b68fd24 JF |
3688 | if (*opt_codeset && strcmp(opt_codeset, opt_encoding)) { |
3689 | opt_iconv = iconv_open(opt_codeset, opt_encoding); | |
20f4b4a3 | 3690 | if (opt_iconv == ICONV_NONE) |
6b68fd24 JF |
3691 | die("Failed to initialize character set conversion"); |
3692 | } | |
3693 | ||
c34d9c9f JF |
3694 | if (load_refs() == ERR) |
3695 | die("Failed to load refs."); | |
3696 | ||
7bb55251 JF |
3697 | /* Require a git repository unless when running in pager mode. */ |
3698 | if (refs_size == 0 && opt_request != REQ_VIEW_PAGER) | |
3699 | die("Not a git repository"); | |
3700 | ||
1ba2ae4b JF |
3701 | for (i = 0; i < ARRAY_SIZE(views) && (view = &views[i]); i++) |
3702 | view->cmd_env = getenv(view->cmd_env); | |
3703 | ||
6b161b31 JF |
3704 | request = opt_request; |
3705 | ||
3706 | init_display(); | |
b801d8b2 JF |
3707 | |
3708 | while (view_driver(display[current_view], request)) { | |
6b161b31 | 3709 | int key; |
b801d8b2 JF |
3710 | int i; |
3711 | ||
699ae55b | 3712 | foreach_view (view, i) |
6b161b31 | 3713 | update_view(view); |
b801d8b2 JF |
3714 | |
3715 | /* Refresh, accept single keystroke of input */ | |
6b161b31 | 3716 | key = wgetch(status_win); |
04e2b7b2 JF |
3717 | |
3718 | request = get_keybinding(display[current_view]->keymap, key); | |
03a93dbb | 3719 | |
6706b2ba | 3720 | /* Some low-level request handling. This keeps access to |
fac7db6c JF |
3721 | * status_win restricted. */ |
3722 | switch (request) { | |
3723 | case REQ_PROMPT: | |
9e21ce5c JF |
3724 | { |
3725 | char *cmd = read_prompt(":"); | |
3726 | ||
3727 | if (cmd && string_format(opt_cmd, "git %s", cmd)) { | |
3728 | if (strncmp(cmd, "show", 4) && isspace(cmd[4])) { | |
3729 | opt_request = REQ_VIEW_DIFF; | |
3730 | } else { | |
3731 | opt_request = REQ_VIEW_PAGER; | |
3732 | } | |
3733 | break; | |
3734 | } | |
fac7db6c | 3735 | |
1d754561 | 3736 | request = REQ_NONE; |
9e21ce5c JF |
3737 | break; |
3738 | } | |
4af34daa JF |
3739 | case REQ_SEARCH: |
3740 | case REQ_SEARCH_BACK: | |
3741 | { | |
3742 | const char *prompt = request == REQ_SEARCH | |
3743 | ? "/" : "?"; | |
3744 | char *search = read_prompt(prompt); | |
3745 | ||
3746 | if (search) | |
3747 | string_copy(opt_search, search); | |
3748 | else | |
3749 | request = REQ_NONE; | |
3750 | break; | |
3751 | } | |
fac7db6c JF |
3752 | case REQ_SCREEN_RESIZE: |
3753 | { | |
3754 | int height, width; | |
3755 | ||
3756 | getmaxyx(stdscr, height, width); | |
3757 | ||
3758 | /* Resize the status view and let the view driver take | |
3759 | * care of resizing the displayed views. */ | |
3760 | wresize(status_win, 1, width); | |
3761 | mvwin(status_win, height - 1, 0); | |
3762 | wrefresh(status_win); | |
3763 | break; | |
3764 | } | |
3765 | default: | |
3766 | break; | |
03a93dbb | 3767 | } |
b801d8b2 JF |
3768 | } |
3769 | ||
3770 | quit(0); | |
3771 | ||
3772 | return 0; | |
3773 | } |