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. */ |
54efb62b | 62 | #define SIZEOF_REVGRAPH 19 /* Size of revision ancestry graphics. */ |
b801d8b2 | 63 | |
82e78006 JF |
64 | /* This color name can be used to refer to the default term colors. */ |
65 | #define COLOR_DEFAULT (-1) | |
78c70acd | 66 | |
6b68fd24 JF |
67 | #define ICONV_NONE ((iconv_t) -1) |
68 | ||
82e78006 | 69 | /* The format and size of the date column in the main view. */ |
4c6fabc2 | 70 | #define DATE_FORMAT "%Y-%m-%d %H:%M" |
6b161b31 | 71 | #define DATE_COLS STRING_SIZE("2006-04-29 14:21 ") |
4c6fabc2 | 72 | |
10e290ee JF |
73 | #define AUTHOR_COLS 20 |
74 | ||
a28bcc22 | 75 | /* The default interval between line numbers. */ |
4a2909a7 | 76 | #define NUMBER_INTERVAL 1 |
82e78006 | 77 | |
6706b2ba JF |
78 | #define TABSIZE 8 |
79 | ||
a28bcc22 JF |
80 | #define SCALE_SPLIT_VIEW(height) ((height) * 2 / 3) |
81 | ||
8eb62770 JF |
82 | #define TIG_LS_REMOTE \ |
83 | "git ls-remote . 2>/dev/null" | |
84 | ||
85 | #define TIG_DIFF_CMD \ | |
73fb51d5 | 86 | "git show --root --patch-with-stat --find-copies-harder -B -C %s 2>/dev/null" |
8eb62770 JF |
87 | |
88 | #define TIG_LOG_CMD \ | |
8fee6614 | 89 | "git log --cc --stat -n100 %s 2>/dev/null" |
8eb62770 JF |
90 | |
91 | #define TIG_MAIN_CMD \ | |
8fee6614 | 92 | "git log --topo-order --pretty=raw %s 2>/dev/null" |
8eb62770 | 93 | |
e733ee54 JF |
94 | #define TIG_TREE_CMD \ |
95 | "git ls-tree %s %s" | |
96 | ||
97 | #define TIG_BLOB_CMD \ | |
98 | "git cat-file blob %s" | |
99 | ||
8eb62770 JF |
100 | /* XXX: Needs to be defined to the empty string. */ |
101 | #define TIG_HELP_CMD "" | |
102 | #define TIG_PAGER_CMD "" | |
103 | ||
8855ada4 | 104 | /* Some ascii-shorthands fitted into the ncurses namespace. */ |
a28bcc22 JF |
105 | #define KEY_TAB '\t' |
106 | #define KEY_RETURN '\r' | |
4a2909a7 JF |
107 | #define KEY_ESC 27 |
108 | ||
6706b2ba | 109 | |
c34d9c9f | 110 | struct ref { |
468876c9 JF |
111 | char *name; /* Ref name; tag or head names are shortened. */ |
112 | char id[41]; /* Commit SHA1 ID */ | |
113 | unsigned int tag:1; /* Is it a tag? */ | |
114 | unsigned int next:1; /* For ref lists: are there more refs? */ | |
c34d9c9f JF |
115 | }; |
116 | ||
ff26aa29 | 117 | static struct ref **get_refs(char *id); |
4c6fabc2 | 118 | |
660e09ad JF |
119 | struct int_map { |
120 | const char *name; | |
121 | int namelen; | |
122 | int value; | |
123 | }; | |
124 | ||
125 | static int | |
126 | set_from_int_map(struct int_map *map, size_t map_size, | |
127 | int *value, const char *name, int namelen) | |
128 | { | |
129 | ||
130 | int i; | |
131 | ||
132 | for (i = 0; i < map_size; i++) | |
133 | if (namelen == map[i].namelen && | |
134 | !strncasecmp(name, map[i].name, namelen)) { | |
135 | *value = map[i].value; | |
136 | return OK; | |
137 | } | |
138 | ||
139 | return ERR; | |
140 | } | |
141 | ||
6706b2ba | 142 | |
03a93dbb JF |
143 | /* |
144 | * String helpers | |
145 | */ | |
78c70acd | 146 | |
82e78006 | 147 | static inline void |
d65ced0d | 148 | string_ncopy(char *dst, const char *src, size_t dstlen) |
82e78006 JF |
149 | { |
150 | strncpy(dst, src, dstlen - 1); | |
151 | dst[dstlen - 1] = 0; | |
03a93dbb | 152 | |
82e78006 JF |
153 | } |
154 | ||
155 | /* Shorthand for safely copying into a fixed buffer. */ | |
156 | #define string_copy(dst, src) \ | |
157 | string_ncopy(dst, src, sizeof(dst)) | |
158 | ||
4a63c884 JF |
159 | static char * |
160 | chomp_string(char *name) | |
161 | { | |
162 | int namelen; | |
163 | ||
164 | while (isspace(*name)) | |
165 | name++; | |
166 | ||
167 | namelen = strlen(name) - 1; | |
168 | while (namelen > 0 && isspace(name[namelen])) | |
169 | name[namelen--] = 0; | |
170 | ||
171 | return name; | |
172 | } | |
173 | ||
cc2d1364 | 174 | static bool |
d65ced0d | 175 | string_nformat(char *buf, size_t bufsize, size_t *bufpos, const char *fmt, ...) |
cc2d1364 JF |
176 | { |
177 | va_list args; | |
d65ced0d | 178 | size_t pos = bufpos ? *bufpos : 0; |
cc2d1364 JF |
179 | |
180 | va_start(args, fmt); | |
181 | pos += vsnprintf(buf + pos, bufsize - pos, fmt, args); | |
182 | va_end(args); | |
183 | ||
184 | if (bufpos) | |
185 | *bufpos = pos; | |
186 | ||
187 | return pos >= bufsize ? FALSE : TRUE; | |
188 | } | |
189 | ||
190 | #define string_format(buf, fmt, args...) \ | |
191 | string_nformat(buf, sizeof(buf), NULL, fmt, args) | |
192 | ||
193 | #define string_format_from(buf, from, fmt, args...) \ | |
194 | string_nformat(buf, sizeof(buf), from, fmt, args) | |
6706b2ba | 195 | |
201f5a18 JF |
196 | static int |
197 | string_enum_compare(const char *str1, const char *str2, int len) | |
198 | { | |
199 | size_t i; | |
200 | ||
201 | #define string_enum_sep(x) ((x) == '-' || (x) == '_' || (x) == '.') | |
202 | ||
203 | /* Diff-Header == DIFF_HEADER */ | |
204 | for (i = 0; i < len; i++) { | |
205 | if (toupper(str1[i]) == toupper(str2[i])) | |
206 | continue; | |
207 | ||
208 | if (string_enum_sep(str1[i]) && | |
209 | string_enum_sep(str2[i])) | |
210 | continue; | |
211 | ||
212 | return str1[i] - str2[i]; | |
213 | } | |
214 | ||
215 | return 0; | |
216 | } | |
217 | ||
03a93dbb JF |
218 | /* Shell quoting |
219 | * | |
220 | * NOTE: The following is a slightly modified copy of the git project's shell | |
221 | * quoting routines found in the quote.c file. | |
222 | * | |
223 | * Help to copy the thing properly quoted for the shell safety. any single | |
224 | * quote is replaced with '\'', any exclamation point is replaced with '\!', | |
225 | * and the whole thing is enclosed in a | |
226 | * | |
227 | * E.g. | |
228 | * original sq_quote result | |
229 | * name ==> name ==> 'name' | |
230 | * a b ==> a b ==> 'a b' | |
231 | * a'b ==> a'\''b ==> 'a'\''b' | |
232 | * a!b ==> a'\!'b ==> 'a'\!'b' | |
233 | */ | |
234 | ||
235 | static size_t | |
17482b11 | 236 | sq_quote(char buf[SIZEOF_STR], size_t bufsize, const char *src) |
03a93dbb JF |
237 | { |
238 | char c; | |
239 | ||
17482b11 | 240 | #define BUFPUT(x) do { if (bufsize < SIZEOF_STR) buf[bufsize++] = (x); } while (0) |
03a93dbb JF |
241 | |
242 | BUFPUT('\''); | |
243 | while ((c = *src++)) { | |
244 | if (c == '\'' || c == '!') { | |
245 | BUFPUT('\''); | |
246 | BUFPUT('\\'); | |
247 | BUFPUT(c); | |
248 | BUFPUT('\''); | |
249 | } else { | |
250 | BUFPUT(c); | |
251 | } | |
252 | } | |
253 | BUFPUT('\''); | |
254 | ||
255 | return bufsize; | |
256 | } | |
257 | ||
82e78006 | 258 | |
24b5b3e0 JF |
259 | /* |
260 | * User requests | |
261 | */ | |
262 | ||
263 | #define REQ_INFO \ | |
264 | /* XXX: Keep the view request first and in sync with views[]. */ \ | |
265 | REQ_GROUP("View switching") \ | |
266 | REQ_(VIEW_MAIN, "Show main view"), \ | |
267 | REQ_(VIEW_DIFF, "Show diff view"), \ | |
268 | REQ_(VIEW_LOG, "Show log view"), \ | |
e733ee54 JF |
269 | REQ_(VIEW_TREE, "Show tree view"), \ |
270 | REQ_(VIEW_BLOB, "Show blob view"), \ | |
24b5b3e0 JF |
271 | REQ_(VIEW_HELP, "Show help page"), \ |
272 | REQ_(VIEW_PAGER, "Show pager view"), \ | |
273 | \ | |
274 | REQ_GROUP("View manipulation") \ | |
275 | REQ_(ENTER, "Enter current line and scroll"), \ | |
276 | REQ_(NEXT, "Move to next"), \ | |
277 | REQ_(PREVIOUS, "Move to previous"), \ | |
278 | REQ_(VIEW_NEXT, "Move focus to next view"), \ | |
279 | REQ_(VIEW_CLOSE, "Close the current view"), \ | |
280 | REQ_(QUIT, "Close all views and quit"), \ | |
281 | \ | |
282 | REQ_GROUP("Cursor navigation") \ | |
283 | REQ_(MOVE_UP, "Move cursor one line up"), \ | |
284 | REQ_(MOVE_DOWN, "Move cursor one line down"), \ | |
285 | REQ_(MOVE_PAGE_DOWN, "Move cursor one page down"), \ | |
286 | REQ_(MOVE_PAGE_UP, "Move cursor one page up"), \ | |
287 | REQ_(MOVE_FIRST_LINE, "Move cursor to first line"), \ | |
288 | REQ_(MOVE_LAST_LINE, "Move cursor to last line"), \ | |
289 | \ | |
290 | REQ_GROUP("Scrolling") \ | |
291 | REQ_(SCROLL_LINE_UP, "Scroll one line up"), \ | |
292 | REQ_(SCROLL_LINE_DOWN, "Scroll one line down"), \ | |
293 | REQ_(SCROLL_PAGE_UP, "Scroll one page up"), \ | |
294 | REQ_(SCROLL_PAGE_DOWN, "Scroll one page down"), \ | |
295 | \ | |
4af34daa JF |
296 | REQ_GROUP("Searching") \ |
297 | REQ_(SEARCH, "Search the view"), \ | |
298 | REQ_(SEARCH_BACK, "Search backwards in the view"), \ | |
299 | REQ_(FIND_NEXT, "Find next search match"), \ | |
300 | REQ_(FIND_PREV, "Find previous search match"), \ | |
301 | \ | |
24b5b3e0 | 302 | REQ_GROUP("Misc") \ |
1d754561 | 303 | REQ_(NONE, "Do nothing"), \ |
24b5b3e0 | 304 | REQ_(PROMPT, "Bring up the prompt"), \ |
24b5b3e0 JF |
305 | REQ_(SCREEN_REDRAW, "Redraw the screen"), \ |
306 | REQ_(SCREEN_RESIZE, "Resize the screen"), \ | |
307 | REQ_(SHOW_VERSION, "Show version information"), \ | |
308 | REQ_(STOP_LOADING, "Stop all loading views"), \ | |
54efb62b | 309 | REQ_(TOGGLE_LINENO, "Toggle line numbers"), \ |
04e2b7b2 | 310 | REQ_(TOGGLE_REV_GRAPH, "Toggle revision graph visualization") |
24b5b3e0 JF |
311 | |
312 | ||
313 | /* User action requests. */ | |
314 | enum request { | |
315 | #define REQ_GROUP(help) | |
316 | #define REQ_(req, help) REQ_##req | |
317 | ||
318 | /* Offset all requests to avoid conflicts with ncurses getch values. */ | |
319 | REQ_OFFSET = KEY_MAX + 1, | |
04e2b7b2 JF |
320 | REQ_INFO, |
321 | REQ_UNKNOWN, | |
24b5b3e0 JF |
322 | |
323 | #undef REQ_GROUP | |
324 | #undef REQ_ | |
325 | }; | |
326 | ||
327 | struct request_info { | |
328 | enum request request; | |
04e2b7b2 JF |
329 | char *name; |
330 | int namelen; | |
24b5b3e0 JF |
331 | char *help; |
332 | }; | |
333 | ||
334 | static struct request_info req_info[] = { | |
04e2b7b2 JF |
335 | #define REQ_GROUP(help) { 0, NULL, 0, (help) }, |
336 | #define REQ_(req, help) { REQ_##req, (#req), STRING_SIZE(#req), (help) } | |
24b5b3e0 JF |
337 | REQ_INFO |
338 | #undef REQ_GROUP | |
339 | #undef REQ_ | |
340 | }; | |
341 | ||
04e2b7b2 JF |
342 | static enum request |
343 | get_request(const char *name) | |
344 | { | |
345 | int namelen = strlen(name); | |
346 | int i; | |
347 | ||
348 | for (i = 0; i < ARRAY_SIZE(req_info); i++) | |
349 | if (req_info[i].namelen == namelen && | |
350 | !string_enum_compare(req_info[i].name, name, namelen)) | |
351 | return req_info[i].request; | |
352 | ||
353 | return REQ_UNKNOWN; | |
354 | } | |
355 | ||
356 | ||
8eb62770 JF |
357 | /* |
358 | * Options | |
359 | */ | |
b76c2afc | 360 | |
4b8c01a3 JF |
361 | static const char usage[] = |
362 | VERSION " (" __DATE__ ")\n" | |
363 | "\n" | |
364 | "Usage: tig [options]\n" | |
365 | " or: tig [options] [--] [git log options]\n" | |
366 | " or: tig [options] log [git log options]\n" | |
367 | " or: tig [options] diff [git diff options]\n" | |
368 | " or: tig [options] show [git show options]\n" | |
369 | " or: tig [options] < [git command output]\n" | |
370 | "\n" | |
371 | "Options:\n" | |
372 | " -l Start up in log view\n" | |
373 | " -d Start up in diff view\n" | |
374 | " -n[I], --line-number[=I] Show line numbers with given interval\n" | |
b3c965c9 | 375 | " -b[N], --tab-size[=N] Set number of spaces for tab expansion\n" |
4b8c01a3 JF |
376 | " -- Mark end of tig options\n" |
377 | " -v, --version Show version and exit\n" | |
378 | " -h, --help Show help message and exit\n"; | |
379 | ||
6706b2ba | 380 | /* Option and state variables. */ |
92d30f5c JF |
381 | static bool opt_line_number = FALSE; |
382 | static bool opt_rev_graph = TRUE; | |
383 | static int opt_num_interval = NUMBER_INTERVAL; | |
384 | static int opt_tab_size = TABSIZE; | |
385 | static enum request opt_request = REQ_VIEW_MAIN; | |
386 | static char opt_cmd[SIZEOF_STR] = ""; | |
e733ee54 | 387 | static char opt_path[SIZEOF_STR] = ""; |
92d30f5c JF |
388 | static FILE *opt_pipe = NULL; |
389 | static char opt_encoding[20] = "UTF-8"; | |
390 | static bool opt_utf8 = TRUE; | |
391 | static char opt_codeset[20] = "UTF-8"; | |
392 | static iconv_t opt_iconv = ICONV_NONE; | |
393 | static char opt_search[SIZEOF_STR] = ""; | |
b76c2afc | 394 | |
6dbf6c19 JF |
395 | enum option_type { |
396 | OPT_NONE, | |
397 | OPT_INT, | |
398 | }; | |
399 | ||
400 | static bool | |
401 | check_option(char *opt, char short_name, char *name, enum option_type type, ...) | |
402 | { | |
403 | va_list args; | |
404 | char *value = ""; | |
405 | int *number; | |
406 | ||
407 | if (opt[0] != '-') | |
408 | return FALSE; | |
409 | ||
410 | if (opt[1] == '-') { | |
411 | int namelen = strlen(name); | |
412 | ||
413 | opt += 2; | |
414 | ||
415 | if (strncmp(opt, name, namelen)) | |
416 | return FALSE; | |
417 | ||
418 | if (opt[namelen] == '=') | |
419 | value = opt + namelen + 1; | |
420 | ||
421 | } else { | |
422 | if (!short_name || opt[1] != short_name) | |
423 | return FALSE; | |
424 | value = opt + 2; | |
425 | } | |
426 | ||
427 | va_start(args, type); | |
428 | if (type == OPT_INT) { | |
429 | number = va_arg(args, int *); | |
430 | if (isdigit(*value)) | |
431 | *number = atoi(value); | |
432 | } | |
433 | va_end(args); | |
434 | ||
435 | return TRUE; | |
436 | } | |
437 | ||
b76c2afc | 438 | /* Returns the index of log or diff command or -1 to exit. */ |
8855ada4 | 439 | static bool |
b76c2afc JF |
440 | parse_options(int argc, char *argv[]) |
441 | { | |
442 | int i; | |
443 | ||
444 | for (i = 1; i < argc; i++) { | |
445 | char *opt = argv[i]; | |
446 | ||
6b161b31 | 447 | if (!strcmp(opt, "-l")) { |
4a2909a7 | 448 | opt_request = REQ_VIEW_LOG; |
6b161b31 JF |
449 | continue; |
450 | } | |
b76c2afc | 451 | |
6b161b31 | 452 | if (!strcmp(opt, "-d")) { |
4a2909a7 | 453 | opt_request = REQ_VIEW_DIFF; |
6b161b31 JF |
454 | continue; |
455 | } | |
b76c2afc | 456 | |
6dbf6c19 | 457 | if (check_option(opt, 'n', "line-number", OPT_INT, &opt_num_interval)) { |
6b161b31 JF |
458 | opt_line_number = TRUE; |
459 | continue; | |
460 | } | |
b76c2afc | 461 | |
6dbf6c19 JF |
462 | if (check_option(opt, 'b', "tab-size", OPT_INT, &opt_tab_size)) { |
463 | opt_tab_size = MIN(opt_tab_size, TABSIZE); | |
6706b2ba JF |
464 | continue; |
465 | } | |
466 | ||
6dbf6c19 | 467 | if (check_option(opt, 'v', "version", OPT_NONE)) { |
b76c2afc | 468 | printf("tig version %s\n", VERSION); |
8855ada4 | 469 | return FALSE; |
6b161b31 | 470 | } |
b76c2afc | 471 | |
6dbf6c19 | 472 | if (check_option(opt, 'h', "help", OPT_NONE)) { |
4b8c01a3 JF |
473 | printf(usage); |
474 | return FALSE; | |
475 | } | |
476 | ||
6908bdbd JF |
477 | if (!strcmp(opt, "--")) { |
478 | i++; | |
479 | break; | |
480 | } | |
03a93dbb | 481 | |
8855ada4 JF |
482 | if (!strcmp(opt, "log") || |
483 | !strcmp(opt, "diff") || | |
484 | !strcmp(opt, "show")) { | |
485 | opt_request = opt[0] == 'l' | |
486 | ? REQ_VIEW_LOG : REQ_VIEW_DIFF; | |
487 | break; | |
488 | } | |
489 | ||
03a93dbb | 490 | if (opt[0] && opt[0] != '-') |
6908bdbd | 491 | break; |
6b161b31 | 492 | |
bf174187 | 493 | die("unknown option '%s'\n\n%s", opt, usage); |
b76c2afc JF |
494 | } |
495 | ||
6908bdbd | 496 | if (!isatty(STDIN_FILENO)) { |
6908bdbd JF |
497 | opt_request = REQ_VIEW_PAGER; |
498 | opt_pipe = stdin; | |
499 | ||
500 | } else if (i < argc) { | |
501 | size_t buf_size; | |
502 | ||
6908bdbd | 503 | if (opt_request == REQ_VIEW_MAIN) |
8855ada4 JF |
504 | /* XXX: This is vulnerable to the user overriding |
505 | * options required for the main view parser. */ | |
6908bdbd JF |
506 | string_copy(opt_cmd, "git log --stat --pretty=raw"); |
507 | else | |
508 | string_copy(opt_cmd, "git"); | |
509 | buf_size = strlen(opt_cmd); | |
510 | ||
511 | while (buf_size < sizeof(opt_cmd) && i < argc) { | |
512 | opt_cmd[buf_size++] = ' '; | |
513 | buf_size = sq_quote(opt_cmd, buf_size, argv[i++]); | |
514 | } | |
515 | ||
516 | if (buf_size >= sizeof(opt_cmd)) | |
517 | die("command too long"); | |
518 | ||
519 | opt_cmd[buf_size] = 0; | |
520 | ||
521 | } | |
522 | ||
afdc35b3 JF |
523 | if (*opt_encoding && strcasecmp(opt_encoding, "UTF-8")) |
524 | opt_utf8 = FALSE; | |
525 | ||
8855ada4 | 526 | return TRUE; |
b76c2afc JF |
527 | } |
528 | ||
529 | ||
54efb62b JF |
530 | /* |
531 | * Line-oriented content detection. | |
532 | */ | |
533 | ||
2e8488b4 | 534 | #define LINE_INFO \ |
660e09ad | 535 | LINE(DIFF_HEADER, "diff --git ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ |
a28bcc22 JF |
536 | LINE(DIFF_CHUNK, "@@", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
537 | LINE(DIFF_ADD, "+", COLOR_GREEN, COLOR_DEFAULT, 0), \ | |
538 | LINE(DIFF_DEL, "-", COLOR_RED, COLOR_DEFAULT, 0), \ | |
660e09ad JF |
539 | LINE(DIFF_INDEX, "index ", COLOR_BLUE, COLOR_DEFAULT, 0), \ |
540 | LINE(DIFF_OLDMODE, "old file mode ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
541 | LINE(DIFF_NEWMODE, "new file mode ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
542 | LINE(DIFF_COPY_FROM, "copy from", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
543 | LINE(DIFF_COPY_TO, "copy to", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
544 | LINE(DIFF_RENAME_FROM, "rename from", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
545 | LINE(DIFF_RENAME_TO, "rename to", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
546 | LINE(DIFF_SIMILARITY, "similarity ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
547 | LINE(DIFF_DISSIMILARITY,"dissimilarity ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
548 | LINE(DIFF_TREE, "diff-tree ", COLOR_BLUE, COLOR_DEFAULT, 0), \ | |
6908bdbd | 549 | LINE(PP_AUTHOR, "Author: ", COLOR_CYAN, COLOR_DEFAULT, 0), \ |
8855ada4 | 550 | LINE(PP_COMMIT, "Commit: ", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
6908bdbd JF |
551 | LINE(PP_MERGE, "Merge: ", COLOR_BLUE, COLOR_DEFAULT, 0), \ |
552 | LINE(PP_DATE, "Date: ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
8855ada4 JF |
553 | LINE(PP_ADATE, "AuthorDate: ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ |
554 | LINE(PP_CDATE, "CommitDate: ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
7b99a34c | 555 | LINE(PP_REFS, "Refs: ", COLOR_RED, COLOR_DEFAULT, 0), \ |
a28bcc22 JF |
556 | LINE(COMMIT, "commit ", COLOR_GREEN, COLOR_DEFAULT, 0), \ |
557 | LINE(PARENT, "parent ", COLOR_BLUE, COLOR_DEFAULT, 0), \ | |
558 | LINE(TREE, "tree ", COLOR_BLUE, COLOR_DEFAULT, 0), \ | |
8855ada4 | 559 | LINE(AUTHOR, "author ", COLOR_CYAN, COLOR_DEFAULT, 0), \ |
a28bcc22 | 560 | LINE(COMMITTER, "committer ", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
a28bcc22 | 561 | LINE(SIGNOFF, " Signed-off-by", COLOR_YELLOW, COLOR_DEFAULT, 0), \ |
a28bcc22 JF |
562 | LINE(DEFAULT, "", COLOR_DEFAULT, COLOR_DEFAULT, A_NORMAL), \ |
563 | LINE(CURSOR, "", COLOR_WHITE, COLOR_GREEN, A_BOLD), \ | |
564 | LINE(STATUS, "", COLOR_GREEN, COLOR_DEFAULT, 0), \ | |
6b161b31 JF |
565 | LINE(TITLE_BLUR, "", COLOR_WHITE, COLOR_BLUE, 0), \ |
566 | LINE(TITLE_FOCUS, "", COLOR_WHITE, COLOR_BLUE, A_BOLD), \ | |
a28bcc22 JF |
567 | LINE(MAIN_DATE, "", COLOR_BLUE, COLOR_DEFAULT, 0), \ |
568 | LINE(MAIN_AUTHOR, "", COLOR_GREEN, COLOR_DEFAULT, 0), \ | |
569 | LINE(MAIN_COMMIT, "", COLOR_DEFAULT, COLOR_DEFAULT, 0), \ | |
c34d9c9f JF |
570 | LINE(MAIN_DELIM, "", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
571 | LINE(MAIN_TAG, "", COLOR_MAGENTA, COLOR_DEFAULT, A_BOLD), \ | |
660e09ad | 572 | LINE(MAIN_REF, "", COLOR_CYAN, COLOR_DEFAULT, A_BOLD), \ |
e733ee54 JF |
573 | LINE(TREE_DIR, "", COLOR_DEFAULT, COLOR_DEFAULT, A_NORMAL), \ |
574 | LINE(TREE_FILE, "", COLOR_DEFAULT, COLOR_DEFAULT, A_NORMAL) | |
660e09ad | 575 | |
78c70acd | 576 | enum line_type { |
2e8488b4 JF |
577 | #define LINE(type, line, fg, bg, attr) \ |
578 | LINE_##type | |
579 | LINE_INFO | |
580 | #undef LINE | |
78c70acd JF |
581 | }; |
582 | ||
583 | struct line_info { | |
660e09ad JF |
584 | const char *name; /* Option name. */ |
585 | int namelen; /* Size of option name. */ | |
4685845e | 586 | const char *line; /* The start of line to match. */ |
2e8488b4 JF |
587 | int linelen; /* Size of string to match. */ |
588 | int fg, bg, attr; /* Color and text attributes for the lines. */ | |
78c70acd JF |
589 | }; |
590 | ||
2e8488b4 | 591 | static struct line_info line_info[] = { |
78c70acd | 592 | #define LINE(type, line, fg, bg, attr) \ |
660e09ad | 593 | { #type, STRING_SIZE(#type), (line), STRING_SIZE(line), (fg), (bg), (attr) } |
2e8488b4 JF |
594 | LINE_INFO |
595 | #undef LINE | |
78c70acd JF |
596 | }; |
597 | ||
2e8488b4 JF |
598 | static enum line_type |
599 | get_line_type(char *line) | |
78c70acd JF |
600 | { |
601 | int linelen = strlen(line); | |
a28bcc22 | 602 | enum line_type type; |
78c70acd | 603 | |
a28bcc22 | 604 | for (type = 0; type < ARRAY_SIZE(line_info); type++) |
2e8488b4 | 605 | /* Case insensitive search matches Signed-off-by lines better. */ |
a28bcc22 JF |
606 | if (linelen >= line_info[type].linelen && |
607 | !strncasecmp(line_info[type].line, line, line_info[type].linelen)) | |
608 | return type; | |
78c70acd | 609 | |
2e8488b4 | 610 | return LINE_DEFAULT; |
78c70acd JF |
611 | } |
612 | ||
2e8488b4 | 613 | static inline int |
78c70acd JF |
614 | get_line_attr(enum line_type type) |
615 | { | |
2e8488b4 JF |
616 | assert(type < ARRAY_SIZE(line_info)); |
617 | return COLOR_PAIR(type) | line_info[type].attr; | |
78c70acd JF |
618 | } |
619 | ||
660e09ad JF |
620 | static struct line_info * |
621 | get_line_info(char *name, int namelen) | |
622 | { | |
623 | enum line_type type; | |
660e09ad JF |
624 | |
625 | for (type = 0; type < ARRAY_SIZE(line_info); type++) | |
626 | if (namelen == line_info[type].namelen && | |
201f5a18 | 627 | !string_enum_compare(line_info[type].name, name, namelen)) |
660e09ad JF |
628 | return &line_info[type]; |
629 | ||
630 | return NULL; | |
631 | } | |
632 | ||
78c70acd JF |
633 | static void |
634 | init_colors(void) | |
635 | { | |
82e78006 JF |
636 | int default_bg = COLOR_BLACK; |
637 | int default_fg = COLOR_WHITE; | |
a28bcc22 | 638 | enum line_type type; |
78c70acd JF |
639 | |
640 | start_color(); | |
641 | ||
642 | if (use_default_colors() != ERR) { | |
82e78006 JF |
643 | default_bg = -1; |
644 | default_fg = -1; | |
78c70acd JF |
645 | } |
646 | ||
a28bcc22 JF |
647 | for (type = 0; type < ARRAY_SIZE(line_info); type++) { |
648 | struct line_info *info = &line_info[type]; | |
82e78006 JF |
649 | int bg = info->bg == COLOR_DEFAULT ? default_bg : info->bg; |
650 | int fg = info->fg == COLOR_DEFAULT ? default_fg : info->fg; | |
78c70acd | 651 | |
a28bcc22 | 652 | init_pair(type, fg, bg); |
78c70acd JF |
653 | } |
654 | } | |
655 | ||
fe7233c3 JF |
656 | struct line { |
657 | enum line_type type; | |
658 | void *data; /* User data */ | |
659 | }; | |
660 | ||
78c70acd | 661 | |
1899507c | 662 | /* |
37157fa0 JF |
663 | * Keys |
664 | */ | |
665 | ||
93a97d86 | 666 | struct keybinding { |
37157fa0 | 667 | int alias; |
93a97d86 | 668 | enum request request; |
04e2b7b2 | 669 | struct keybinding *next; |
37157fa0 JF |
670 | }; |
671 | ||
93a97d86 | 672 | static struct keybinding default_keybindings[] = { |
37157fa0 JF |
673 | /* View switching */ |
674 | { 'm', REQ_VIEW_MAIN }, | |
675 | { 'd', REQ_VIEW_DIFF }, | |
676 | { 'l', REQ_VIEW_LOG }, | |
e733ee54 JF |
677 | { 't', REQ_VIEW_TREE }, |
678 | { 'b', REQ_VIEW_BLOB }, | |
37157fa0 JF |
679 | { 'p', REQ_VIEW_PAGER }, |
680 | { 'h', REQ_VIEW_HELP }, | |
37157fa0 JF |
681 | |
682 | /* View manipulation */ | |
683 | { 'q', REQ_VIEW_CLOSE }, | |
684 | { KEY_TAB, REQ_VIEW_NEXT }, | |
685 | { KEY_RETURN, REQ_ENTER }, | |
686 | { KEY_UP, REQ_PREVIOUS }, | |
687 | { KEY_DOWN, REQ_NEXT }, | |
688 | ||
689 | /* Cursor navigation */ | |
690 | { 'k', REQ_MOVE_UP }, | |
691 | { 'j', REQ_MOVE_DOWN }, | |
692 | { KEY_HOME, REQ_MOVE_FIRST_LINE }, | |
693 | { KEY_END, REQ_MOVE_LAST_LINE }, | |
694 | { KEY_NPAGE, REQ_MOVE_PAGE_DOWN }, | |
695 | { ' ', REQ_MOVE_PAGE_DOWN }, | |
696 | { KEY_PPAGE, REQ_MOVE_PAGE_UP }, | |
697 | { 'b', REQ_MOVE_PAGE_UP }, | |
698 | { '-', REQ_MOVE_PAGE_UP }, | |
699 | ||
700 | /* Scrolling */ | |
701 | { KEY_IC, REQ_SCROLL_LINE_UP }, | |
702 | { KEY_DC, REQ_SCROLL_LINE_DOWN }, | |
703 | { 'w', REQ_SCROLL_PAGE_UP }, | |
704 | { 's', REQ_SCROLL_PAGE_DOWN }, | |
705 | ||
4af34daa JF |
706 | /* Searching */ |
707 | { '/', REQ_SEARCH }, | |
708 | { '?', REQ_SEARCH_BACK }, | |
709 | { 'n', REQ_FIND_NEXT }, | |
710 | { 'N', REQ_FIND_PREV }, | |
711 | ||
37157fa0 JF |
712 | /* Misc */ |
713 | { 'Q', REQ_QUIT }, | |
714 | { 'z', REQ_STOP_LOADING }, | |
715 | { 'v', REQ_SHOW_VERSION }, | |
716 | { 'r', REQ_SCREEN_REDRAW }, | |
717 | { 'n', REQ_TOGGLE_LINENO }, | |
73fb51d5 | 718 | { 'g', REQ_TOGGLE_REV_GRAPH }, |
37157fa0 JF |
719 | { ':', REQ_PROMPT }, |
720 | ||
721 | /* wgetch() with nodelay() enabled returns ERR when there's no input. */ | |
1d754561 | 722 | { ERR, REQ_NONE }, |
37157fa0 | 723 | |
1d754561 | 724 | /* Using the ncurses SIGWINCH handler. */ |
37157fa0 JF |
725 | { KEY_RESIZE, REQ_SCREEN_RESIZE }, |
726 | }; | |
727 | ||
04e2b7b2 JF |
728 | #define KEYMAP_INFO \ |
729 | KEYMAP_(GENERIC), \ | |
730 | KEYMAP_(MAIN), \ | |
731 | KEYMAP_(DIFF), \ | |
732 | KEYMAP_(LOG), \ | |
e733ee54 JF |
733 | KEYMAP_(TREE), \ |
734 | KEYMAP_(BLOB), \ | |
04e2b7b2 JF |
735 | KEYMAP_(PAGER), \ |
736 | KEYMAP_(HELP) \ | |
737 | ||
738 | enum keymap { | |
739 | #define KEYMAP_(name) KEYMAP_##name | |
740 | KEYMAP_INFO | |
741 | #undef KEYMAP_ | |
742 | }; | |
743 | ||
744 | static struct int_map keymap_table[] = { | |
745 | #define KEYMAP_(name) { #name, STRING_SIZE(#name), KEYMAP_##name } | |
746 | KEYMAP_INFO | |
747 | #undef KEYMAP_ | |
748 | }; | |
749 | ||
750 | #define set_keymap(map, name) \ | |
751 | set_from_int_map(keymap_table, ARRAY_SIZE(keymap_table), map, name, strlen(name)) | |
752 | ||
753 | static struct keybinding *keybindings[ARRAY_SIZE(keymap_table)]; | |
754 | ||
755 | static void | |
756 | add_keybinding(enum keymap keymap, enum request request, int key) | |
757 | { | |
758 | struct keybinding *keybinding; | |
759 | ||
760 | keybinding = calloc(1, sizeof(*keybinding)); | |
761 | if (!keybinding) | |
762 | die("Failed to allocate keybinding"); | |
763 | ||
764 | keybinding->alias = key; | |
765 | keybinding->request = request; | |
766 | keybinding->next = keybindings[keymap]; | |
767 | keybindings[keymap] = keybinding; | |
768 | } | |
769 | ||
770 | /* Looks for a key binding first in the given map, then in the generic map, and | |
771 | * lastly in the default keybindings. */ | |
37157fa0 | 772 | static enum request |
04e2b7b2 | 773 | get_keybinding(enum keymap keymap, int key) |
37157fa0 | 774 | { |
04e2b7b2 | 775 | struct keybinding *kbd; |
37157fa0 JF |
776 | int i; |
777 | ||
04e2b7b2 JF |
778 | for (kbd = keybindings[keymap]; kbd; kbd = kbd->next) |
779 | if (kbd->alias == key) | |
780 | return kbd->request; | |
781 | ||
782 | for (kbd = keybindings[KEYMAP_GENERIC]; kbd; kbd = kbd->next) | |
783 | if (kbd->alias == key) | |
784 | return kbd->request; | |
785 | ||
93a97d86 JF |
786 | for (i = 0; i < ARRAY_SIZE(default_keybindings); i++) |
787 | if (default_keybindings[i].alias == key) | |
788 | return default_keybindings[i].request; | |
37157fa0 JF |
789 | |
790 | return (enum request) key; | |
791 | } | |
792 | ||
93a97d86 | 793 | |
37157fa0 JF |
794 | struct key { |
795 | char *name; | |
796 | int value; | |
797 | }; | |
798 | ||
799 | static struct key key_table[] = { | |
800 | { "Enter", KEY_RETURN }, | |
801 | { "Space", ' ' }, | |
802 | { "Backspace", KEY_BACKSPACE }, | |
803 | { "Tab", KEY_TAB }, | |
804 | { "Escape", KEY_ESC }, | |
805 | { "Left", KEY_LEFT }, | |
806 | { "Right", KEY_RIGHT }, | |
807 | { "Up", KEY_UP }, | |
808 | { "Down", KEY_DOWN }, | |
809 | { "Insert", KEY_IC }, | |
810 | { "Delete", KEY_DC }, | |
74f83ee6 | 811 | { "Hash", '#' }, |
37157fa0 JF |
812 | { "Home", KEY_HOME }, |
813 | { "End", KEY_END }, | |
814 | { "PageUp", KEY_PPAGE }, | |
815 | { "PageDown", KEY_NPAGE }, | |
816 | { "F1", KEY_F(1) }, | |
817 | { "F2", KEY_F(2) }, | |
818 | { "F3", KEY_F(3) }, | |
819 | { "F4", KEY_F(4) }, | |
820 | { "F5", KEY_F(5) }, | |
821 | { "F6", KEY_F(6) }, | |
822 | { "F7", KEY_F(7) }, | |
823 | { "F8", KEY_F(8) }, | |
824 | { "F9", KEY_F(9) }, | |
825 | { "F10", KEY_F(10) }, | |
826 | { "F11", KEY_F(11) }, | |
827 | { "F12", KEY_F(12) }, | |
828 | }; | |
829 | ||
04e2b7b2 JF |
830 | static int |
831 | get_key_value(const char *name) | |
832 | { | |
833 | int i; | |
834 | ||
835 | for (i = 0; i < ARRAY_SIZE(key_table); i++) | |
836 | if (!strcasecmp(key_table[i].name, name)) | |
837 | return key_table[i].value; | |
838 | ||
839 | if (strlen(name) == 1 && isprint(*name)) | |
840 | return (int) *name; | |
841 | ||
842 | return ERR; | |
843 | } | |
844 | ||
37157fa0 JF |
845 | static char * |
846 | get_key(enum request request) | |
847 | { | |
848 | static char buf[BUFSIZ]; | |
849 | static char key_char[] = "'X'"; | |
d65ced0d | 850 | size_t pos = 0; |
37157fa0 JF |
851 | char *sep = " "; |
852 | int i; | |
853 | ||
854 | buf[pos] = 0; | |
855 | ||
93a97d86 JF |
856 | for (i = 0; i < ARRAY_SIZE(default_keybindings); i++) { |
857 | struct keybinding *keybinding = &default_keybindings[i]; | |
37157fa0 JF |
858 | char *seq = NULL; |
859 | int key; | |
860 | ||
93a97d86 | 861 | if (keybinding->request != request) |
37157fa0 JF |
862 | continue; |
863 | ||
864 | for (key = 0; key < ARRAY_SIZE(key_table); key++) | |
93a97d86 | 865 | if (key_table[key].value == keybinding->alias) |
37157fa0 JF |
866 | seq = key_table[key].name; |
867 | ||
868 | if (seq == NULL && | |
93a97d86 JF |
869 | keybinding->alias < 127 && |
870 | isprint(keybinding->alias)) { | |
871 | key_char[1] = (char) keybinding->alias; | |
37157fa0 JF |
872 | seq = key_char; |
873 | } | |
874 | ||
875 | if (!seq) | |
876 | seq = "'?'"; | |
877 | ||
878 | if (!string_format_from(buf, &pos, "%s%s", sep, seq)) | |
879 | return "Too many keybindings!"; | |
880 | sep = ", "; | |
881 | } | |
882 | ||
883 | return buf; | |
884 | } | |
885 | ||
886 | ||
887 | /* | |
1899507c JF |
888 | * User config file handling. |
889 | */ | |
890 | ||
5dc795f2 JF |
891 | static struct int_map color_map[] = { |
892 | #define COLOR_MAP(name) { #name, STRING_SIZE(#name), COLOR_##name } | |
893 | COLOR_MAP(DEFAULT), | |
894 | COLOR_MAP(BLACK), | |
895 | COLOR_MAP(BLUE), | |
896 | COLOR_MAP(CYAN), | |
897 | COLOR_MAP(GREEN), | |
898 | COLOR_MAP(MAGENTA), | |
899 | COLOR_MAP(RED), | |
900 | COLOR_MAP(WHITE), | |
901 | COLOR_MAP(YELLOW), | |
902 | }; | |
903 | ||
9256ab05 JF |
904 | #define set_color(color, name) \ |
905 | set_from_int_map(color_map, ARRAY_SIZE(color_map), color, name, strlen(name)) | |
660e09ad | 906 | |
5dc795f2 JF |
907 | static struct int_map attr_map[] = { |
908 | #define ATTR_MAP(name) { #name, STRING_SIZE(#name), A_##name } | |
909 | ATTR_MAP(NORMAL), | |
910 | ATTR_MAP(BLINK), | |
911 | ATTR_MAP(BOLD), | |
912 | ATTR_MAP(DIM), | |
913 | ATTR_MAP(REVERSE), | |
914 | ATTR_MAP(STANDOUT), | |
915 | ATTR_MAP(UNDERLINE), | |
916 | }; | |
917 | ||
9256ab05 JF |
918 | #define set_attribute(attr, name) \ |
919 | set_from_int_map(attr_map, ARRAY_SIZE(attr_map), attr, name, strlen(name)) | |
660e09ad | 920 | |
3c3801c2 JF |
921 | static int config_lineno; |
922 | static bool config_errors; | |
923 | static char *config_msg; | |
924 | ||
5bfd96c7 | 925 | /* Wants: object fgcolor bgcolor [attr] */ |
660e09ad | 926 | static int |
5bfd96c7 | 927 | option_color_command(int argc, char *argv[]) |
660e09ad | 928 | { |
bca8fcaa JF |
929 | struct line_info *info; |
930 | ||
9256ab05 JF |
931 | if (argc != 3 && argc != 4) { |
932 | config_msg = "Wrong number of arguments given to color command"; | |
933 | return ERR; | |
934 | } | |
935 | ||
936 | info = get_line_info(argv[0], strlen(argv[0])); | |
bca8fcaa JF |
937 | if (!info) { |
938 | config_msg = "Unknown color name"; | |
939 | return ERR; | |
940 | } | |
660e09ad | 941 | |
a3653368 JF |
942 | if (set_color(&info->fg, argv[1]) == ERR || |
943 | set_color(&info->bg, argv[2]) == ERR) { | |
bca8fcaa JF |
944 | config_msg = "Unknown color"; |
945 | return ERR; | |
946 | } | |
660e09ad | 947 | |
9256ab05 | 948 | if (argc == 4 && set_attribute(&info->attr, argv[3]) == ERR) { |
bca8fcaa JF |
949 | config_msg = "Unknown attribute"; |
950 | return ERR; | |
660e09ad JF |
951 | } |
952 | ||
bca8fcaa JF |
953 | return OK; |
954 | } | |
955 | ||
5bfd96c7 JF |
956 | /* Wants: name = value */ |
957 | static int | |
958 | option_set_command(int argc, char *argv[]) | |
959 | { | |
960 | if (argc != 3) { | |
961 | config_msg = "Wrong number of arguments given to set command"; | |
962 | return ERR; | |
963 | } | |
964 | ||
965 | if (strcmp(argv[1], "=")) { | |
966 | config_msg = "No value assigned"; | |
967 | return ERR; | |
968 | } | |
969 | ||
970 | if (!strcmp(argv[0], "show-rev-graph")) { | |
971 | opt_rev_graph = (!strcmp(argv[2], "1") || | |
972 | !strcmp(argv[2], "true") || | |
973 | !strcmp(argv[2], "yes")); | |
974 | return OK; | |
975 | } | |
976 | ||
977 | if (!strcmp(argv[0], "line-number-interval")) { | |
978 | opt_num_interval = atoi(argv[2]); | |
979 | return OK; | |
980 | } | |
981 | ||
982 | if (!strcmp(argv[0], "tab-size")) { | |
983 | opt_tab_size = atoi(argv[2]); | |
984 | return OK; | |
985 | } | |
986 | ||
cb7267ee | 987 | if (!strcmp(argv[0], "commit-encoding")) { |
3cc9a4d4 JF |
988 | char *arg = argv[2]; |
989 | int delimiter = *arg; | |
990 | int i; | |
991 | ||
992 | switch (delimiter) { | |
993 | case '"': | |
994 | case '\'': | |
995 | for (arg++, i = 0; arg[i]; i++) | |
996 | if (arg[i] == delimiter) { | |
997 | arg[i] = 0; | |
998 | break; | |
999 | } | |
1000 | default: | |
1001 | string_copy(opt_encoding, arg); | |
1002 | return OK; | |
1003 | } | |
5bfd96c7 JF |
1004 | } |
1005 | ||
a3653368 | 1006 | config_msg = "Unknown variable name"; |
5bfd96c7 JF |
1007 | return ERR; |
1008 | } | |
1009 | ||
04e2b7b2 JF |
1010 | /* Wants: mode request key */ |
1011 | static int | |
1012 | option_bind_command(int argc, char *argv[]) | |
1013 | { | |
1014 | enum request request; | |
1015 | int keymap; | |
1016 | int key; | |
1017 | ||
1018 | if (argc != 3) { | |
1019 | config_msg = "Wrong number of arguments given to bind command"; | |
1020 | return ERR; | |
1021 | } | |
1022 | ||
1023 | if (set_keymap(&keymap, argv[0]) == ERR) { | |
1024 | config_msg = "Unknown key map"; | |
1025 | return ERR; | |
1026 | } | |
1027 | ||
1028 | key = get_key_value(argv[1]); | |
1029 | if (key == ERR) { | |
1030 | config_msg = "Unknown key"; | |
1031 | return ERR; | |
1032 | } | |
1033 | ||
1034 | request = get_request(argv[2]); | |
1035 | if (request == REQ_UNKNOWN) { | |
1036 | config_msg = "Unknown request name"; | |
1037 | return ERR; | |
1038 | } | |
1039 | ||
1040 | add_keybinding(keymap, request, key); | |
1041 | ||
1042 | return OK; | |
1043 | } | |
1044 | ||
bca8fcaa | 1045 | static int |
9256ab05 | 1046 | set_option(char *opt, char *value) |
bca8fcaa | 1047 | { |
9256ab05 JF |
1048 | char *argv[16]; |
1049 | int valuelen; | |
1050 | int argc = 0; | |
1051 | ||
1052 | /* Tokenize */ | |
1053 | while (argc < ARRAY_SIZE(argv) && (valuelen = strcspn(value, " \t"))) { | |
1054 | argv[argc++] = value; | |
1055 | ||
1056 | value += valuelen; | |
1057 | if (!*value) | |
1058 | break; | |
1059 | ||
1060 | *value++ = 0; | |
1061 | while (isspace(*value)) | |
1062 | value++; | |
1063 | } | |
1064 | ||
1065 | if (!strcmp(opt, "color")) | |
5bfd96c7 JF |
1066 | return option_color_command(argc, argv); |
1067 | ||
1068 | if (!strcmp(opt, "set")) | |
1069 | return option_set_command(argc, argv); | |
bca8fcaa | 1070 | |
04e2b7b2 JF |
1071 | if (!strcmp(opt, "bind")) |
1072 | return option_bind_command(argc, argv); | |
1073 | ||
a3653368 | 1074 | config_msg = "Unknown option command"; |
660e09ad JF |
1075 | return ERR; |
1076 | } | |
1077 | ||
1078 | static int | |
3c3801c2 JF |
1079 | read_option(char *opt, int optlen, char *value, int valuelen) |
1080 | { | |
a3653368 JF |
1081 | int status = OK; |
1082 | ||
3c3801c2 JF |
1083 | config_lineno++; |
1084 | config_msg = "Internal error"; | |
1085 | ||
a3653368 JF |
1086 | /* Check for comment markers, since read_properties() will |
1087 | * only ensure opt and value are split at first " \t". */ | |
74f83ee6 | 1088 | optlen = strcspn(opt, "#"); |
a3653368 | 1089 | if (optlen == 0) |
3c3801c2 JF |
1090 | return OK; |
1091 | ||
a3653368 JF |
1092 | if (opt[optlen] != 0) { |
1093 | config_msg = "No option value"; | |
1094 | status = ERR; | |
1095 | ||
1096 | } else { | |
1097 | /* Look for comment endings in the value. */ | |
74f83ee6 | 1098 | int len = strcspn(value, "#"); |
a3653368 JF |
1099 | |
1100 | if (len < valuelen) { | |
1101 | valuelen = len; | |
1102 | value[valuelen] = 0; | |
1103 | } | |
1104 | ||
1105 | status = set_option(opt, value); | |
3c3801c2 JF |
1106 | } |
1107 | ||
a3653368 JF |
1108 | if (status == ERR) { |
1109 | fprintf(stderr, "Error on line %d, near '%.*s': %s\n", | |
3c3801c2 JF |
1110 | config_lineno, optlen, opt, config_msg); |
1111 | config_errors = TRUE; | |
1112 | } | |
1113 | ||
1114 | /* Always keep going if errors are encountered. */ | |
1115 | return OK; | |
1116 | } | |
1117 | ||
1118 | static int | |
660e09ad JF |
1119 | load_options(void) |
1120 | { | |
1121 | char *home = getenv("HOME"); | |
17482b11 | 1122 | char buf[SIZEOF_STR]; |
660e09ad JF |
1123 | FILE *file; |
1124 | ||
3c3801c2 JF |
1125 | config_lineno = 0; |
1126 | config_errors = FALSE; | |
1127 | ||
cc2d1364 | 1128 | if (!home || !string_format(buf, "%s/.tigrc", home)) |
660e09ad JF |
1129 | return ERR; |
1130 | ||
1131 | /* It's ok that the file doesn't exist. */ | |
1132 | file = fopen(buf, "r"); | |
1133 | if (!file) | |
1134 | return OK; | |
1135 | ||
3c3801c2 JF |
1136 | if (read_properties(file, " \t", read_option) == ERR || |
1137 | config_errors == TRUE) | |
1138 | fprintf(stderr, "Errors while loading %s.\n", buf); | |
1139 | ||
1140 | return OK; | |
660e09ad JF |
1141 | } |
1142 | ||
1143 | ||
d839253b | 1144 | /* |
468876c9 | 1145 | * The viewer |
d839253b | 1146 | */ |
c2124ccd JF |
1147 | |
1148 | struct view; | |
fe7233c3 | 1149 | struct view_ops; |
c2124ccd JF |
1150 | |
1151 | /* The display array of active views and the index of the current view. */ | |
1152 | static struct view *display[2]; | |
1153 | static unsigned int current_view; | |
1154 | ||
33c4f9ea | 1155 | #define foreach_displayed_view(view, i) \ |
c2124ccd JF |
1156 | for (i = 0; i < ARRAY_SIZE(display) && (view = display[i]); i++) |
1157 | ||
9f41488f | 1158 | #define displayed_views() (display[1] != NULL ? 2 : 1) |
c2124ccd | 1159 | |
d839253b | 1160 | /* Current head and commit ID */ |
e733ee54 | 1161 | static char ref_blob[SIZEOF_REF] = ""; |
c2124ccd JF |
1162 | static char ref_commit[SIZEOF_REF] = "HEAD"; |
1163 | static char ref_head[SIZEOF_REF] = "HEAD"; | |
1164 | ||
b801d8b2 | 1165 | struct view { |
03a93dbb | 1166 | const char *name; /* View name */ |
4685845e TH |
1167 | const char *cmd_fmt; /* Default command line format */ |
1168 | const char *cmd_env; /* Command line set via environment */ | |
e733ee54 | 1169 | const char *id; /* Points to either of ref_{head,commit,blob} */ |
6b161b31 | 1170 | |
fe7233c3 | 1171 | struct view_ops *ops; /* View operations */ |
22f66b0a | 1172 | |
04e2b7b2 JF |
1173 | enum keymap keymap; /* What keymap does this view have */ |
1174 | ||
17482b11 | 1175 | char cmd[SIZEOF_STR]; /* Command buffer */ |
49f2b43f JF |
1176 | char ref[SIZEOF_REF]; /* Hovered commit reference */ |
1177 | char vid[SIZEOF_REF]; /* View ID. Set to id member when updating. */ | |
2e8488b4 | 1178 | |
8855ada4 JF |
1179 | int height, width; /* The width and height of the main window */ |
1180 | WINDOW *win; /* The main window */ | |
1181 | WINDOW *title; /* The title window living below the main window */ | |
b801d8b2 JF |
1182 | |
1183 | /* Navigation */ | |
1184 | unsigned long offset; /* Offset of the window top */ | |
1185 | unsigned long lineno; /* Current line number */ | |
1186 | ||
4af34daa JF |
1187 | /* Searching */ |
1188 | char grep[SIZEOF_STR]; /* Search string */ | |
1189 | regex_t regex; /* Pre-compiled regex */ | |
1190 | ||
f6da0b66 JF |
1191 | /* If non-NULL, points to the view that opened this view. If this view |
1192 | * is closed tig will switch back to the parent view. */ | |
1193 | struct view *parent; | |
1194 | ||
b801d8b2 JF |
1195 | /* Buffering */ |
1196 | unsigned long lines; /* Total number of lines */ | |
fe7233c3 | 1197 | struct line *line; /* Line index */ |
e2c01617 | 1198 | unsigned long line_size;/* Total number of allocated lines */ |
8855ada4 | 1199 | unsigned int digits; /* Number of digits in the lines member. */ |
b801d8b2 JF |
1200 | |
1201 | /* Loading */ | |
1202 | FILE *pipe; | |
2e8488b4 | 1203 | time_t start_time; |
b801d8b2 JF |
1204 | }; |
1205 | ||
fe7233c3 JF |
1206 | struct view_ops { |
1207 | /* What type of content being displayed. Used in the title bar. */ | |
1208 | const char *type; | |
1209 | /* Draw one line; @lineno must be < view->height. */ | |
1210 | bool (*draw)(struct view *view, struct line *line, unsigned int lineno); | |
1211 | /* Read one line; updates view->line. */ | |
701e4f5d | 1212 | bool (*read)(struct view *view, char *data); |
fe7233c3 JF |
1213 | /* Depending on view, change display based on current line. */ |
1214 | bool (*enter)(struct view *view, struct line *line); | |
4af34daa JF |
1215 | /* Search for regex in a line. */ |
1216 | bool (*grep)(struct view *view, struct line *line); | |
fe7233c3 JF |
1217 | }; |
1218 | ||
6b161b31 JF |
1219 | static struct view_ops pager_ops; |
1220 | static struct view_ops main_ops; | |
e733ee54 JF |
1221 | static struct view_ops tree_ops; |
1222 | static struct view_ops blob_ops; | |
a28bcc22 | 1223 | |
04e2b7b2 JF |
1224 | #define VIEW_STR(name, cmd, env, ref, ops, map) \ |
1225 | { name, cmd, #env, ref, ops, map} | |
1ba2ae4b | 1226 | |
95d7ddcd | 1227 | #define VIEW_(id, name, ops, ref) \ |
04e2b7b2 | 1228 | VIEW_STR(name, TIG_##id##_CMD, TIG_##id##_CMD, ref, ops, KEYMAP_##id) |
1ba2ae4b | 1229 | |
c2124ccd | 1230 | |
b801d8b2 | 1231 | static struct view views[] = { |
95d7ddcd JF |
1232 | VIEW_(MAIN, "main", &main_ops, ref_head), |
1233 | VIEW_(DIFF, "diff", &pager_ops, ref_commit), | |
1234 | VIEW_(LOG, "log", &pager_ops, ref_head), | |
e733ee54 JF |
1235 | VIEW_(TREE, "tree", &tree_ops, ref_commit), |
1236 | VIEW_(BLOB, "blob", &blob_ops, ref_blob), | |
95d7ddcd JF |
1237 | VIEW_(HELP, "help", &pager_ops, "static"), |
1238 | VIEW_(PAGER, "pager", &pager_ops, "static"), | |
b801d8b2 JF |
1239 | }; |
1240 | ||
a28bcc22 JF |
1241 | #define VIEW(req) (&views[(req) - REQ_OFFSET - 1]) |
1242 | ||
699ae55b JF |
1243 | #define foreach_view(view, i) \ |
1244 | for (i = 0; i < ARRAY_SIZE(views) && (view = &views[i]); i++) | |
1245 | ||
1246 | #define view_is_displayed(view) \ | |
1247 | (view == display[0] || view == display[1]) | |
4c6fabc2 | 1248 | |
fe7233c3 JF |
1249 | static bool |
1250 | draw_view_line(struct view *view, unsigned int lineno) | |
1251 | { | |
699ae55b JF |
1252 | assert(view_is_displayed(view)); |
1253 | ||
fe7233c3 JF |
1254 | if (view->offset + lineno >= view->lines) |
1255 | return FALSE; | |
1256 | ||
1257 | return view->ops->draw(view, &view->line[view->offset + lineno], lineno); | |
1258 | } | |
1259 | ||
b801d8b2 | 1260 | static void |
82e78006 | 1261 | redraw_view_from(struct view *view, int lineno) |
b801d8b2 | 1262 | { |
82e78006 | 1263 | assert(0 <= lineno && lineno < view->height); |
b801d8b2 | 1264 | |
82e78006 | 1265 | for (; lineno < view->height; lineno++) { |
fe7233c3 | 1266 | if (!draw_view_line(view, lineno)) |
fd85fef1 | 1267 | break; |
b801d8b2 JF |
1268 | } |
1269 | ||
1270 | redrawwin(view->win); | |
1271 | wrefresh(view->win); | |
1272 | } | |
1273 | ||
b76c2afc | 1274 | static void |
82e78006 JF |
1275 | redraw_view(struct view *view) |
1276 | { | |
1277 | wclear(view->win); | |
1278 | redraw_view_from(view, 0); | |
1279 | } | |
1280 | ||
c2124ccd | 1281 | |
6b161b31 | 1282 | static void |
81030ec8 JF |
1283 | update_view_title(struct view *view) |
1284 | { | |
699ae55b JF |
1285 | assert(view_is_displayed(view)); |
1286 | ||
81030ec8 JF |
1287 | if (view == display[current_view]) |
1288 | wbkgdset(view->title, get_line_attr(LINE_TITLE_FOCUS)); | |
1289 | else | |
1290 | wbkgdset(view->title, get_line_attr(LINE_TITLE_BLUR)); | |
1291 | ||
1292 | werase(view->title); | |
1293 | wmove(view->title, 0, 0); | |
1294 | ||
81030ec8 JF |
1295 | if (*view->ref) |
1296 | wprintw(view->title, "[%s] %s", view->name, view->ref); | |
1297 | else | |
1298 | wprintw(view->title, "[%s]", view->name); | |
1299 | ||
c19f8017 | 1300 | if (view->lines || view->pipe) { |
6d9c07af | 1301 | unsigned int view_lines = view->offset + view->height; |
c19f8017 | 1302 | unsigned int lines = view->lines |
6d9c07af | 1303 | ? MIN(view_lines, view->lines) * 100 / view->lines |
c19f8017 JF |
1304 | : 0; |
1305 | ||
81030ec8 JF |
1306 | wprintw(view->title, " - %s %d of %d (%d%%)", |
1307 | view->ops->type, | |
1308 | view->lineno + 1, | |
1309 | view->lines, | |
c19f8017 | 1310 | lines); |
81030ec8 JF |
1311 | } |
1312 | ||
f97f4012 JF |
1313 | if (view->pipe) { |
1314 | time_t secs = time(NULL) - view->start_time; | |
1315 | ||
1316 | /* Three git seconds are a long time ... */ | |
1317 | if (secs > 2) | |
1318 | wprintw(view->title, " %lds", secs); | |
1319 | } | |
1320 | ||
976447f8 | 1321 | wmove(view->title, 0, view->width - 1); |
81030ec8 JF |
1322 | wrefresh(view->title); |
1323 | } | |
1324 | ||
1325 | static void | |
6b161b31 | 1326 | resize_display(void) |
b76c2afc | 1327 | { |
03a93dbb | 1328 | int offset, i; |
6b161b31 JF |
1329 | struct view *base = display[0]; |
1330 | struct view *view = display[1] ? display[1] : display[0]; | |
b76c2afc | 1331 | |
6b161b31 | 1332 | /* Setup window dimensions */ |
b76c2afc | 1333 | |
03a93dbb | 1334 | getmaxyx(stdscr, base->height, base->width); |
b76c2afc | 1335 | |
6b161b31 | 1336 | /* Make room for the status window. */ |
03a93dbb | 1337 | base->height -= 1; |
6b161b31 JF |
1338 | |
1339 | if (view != base) { | |
03a93dbb JF |
1340 | /* Horizontal split. */ |
1341 | view->width = base->width; | |
6b161b31 JF |
1342 | view->height = SCALE_SPLIT_VIEW(base->height); |
1343 | base->height -= view->height; | |
1344 | ||
1345 | /* Make room for the title bar. */ | |
1346 | view->height -= 1; | |
1347 | } | |
1348 | ||
1349 | /* Make room for the title bar. */ | |
1350 | base->height -= 1; | |
1351 | ||
1352 | offset = 0; | |
1353 | ||
33c4f9ea | 1354 | foreach_displayed_view (view, i) { |
b76c2afc | 1355 | if (!view->win) { |
c19f8017 | 1356 | view->win = newwin(view->height, 0, offset, 0); |
6b161b31 JF |
1357 | if (!view->win) |
1358 | die("Failed to create %s view", view->name); | |
1359 | ||
1360 | scrollok(view->win, TRUE); | |
1361 | ||
1362 | view->title = newwin(1, 0, offset + view->height, 0); | |
1363 | if (!view->title) | |
1364 | die("Failed to create title window"); | |
1365 | ||
1366 | } else { | |
c19f8017 | 1367 | wresize(view->win, view->height, view->width); |
6b161b31 JF |
1368 | mvwin(view->win, offset, 0); |
1369 | mvwin(view->title, offset + view->height, 0); | |
a28bcc22 | 1370 | } |
a28bcc22 | 1371 | |
6b161b31 | 1372 | offset += view->height + 1; |
b76c2afc | 1373 | } |
6b161b31 | 1374 | } |
b76c2afc | 1375 | |
6b161b31 | 1376 | static void |
20bb5e18 JF |
1377 | redraw_display(void) |
1378 | { | |
1379 | struct view *view; | |
1380 | int i; | |
1381 | ||
33c4f9ea | 1382 | foreach_displayed_view (view, i) { |
20bb5e18 JF |
1383 | redraw_view(view); |
1384 | update_view_title(view); | |
1385 | } | |
1386 | } | |
1387 | ||
85af6284 JF |
1388 | static void |
1389 | update_display_cursor(void) | |
1390 | { | |
1391 | struct view *view = display[current_view]; | |
1392 | ||
1393 | /* Move the cursor to the right-most column of the cursor line. | |
1394 | * | |
1395 | * XXX: This could turn out to be a bit expensive, but it ensures that | |
1396 | * the cursor does not jump around. */ | |
1397 | if (view->lines) { | |
1398 | wmove(view->win, view->lineno - view->offset, view->width - 1); | |
1399 | wrefresh(view->win); | |
1400 | } | |
1401 | } | |
20bb5e18 | 1402 | |
2e8488b4 JF |
1403 | /* |
1404 | * Navigation | |
1405 | */ | |
1406 | ||
4a2909a7 | 1407 | /* Scrolling backend */ |
b801d8b2 | 1408 | static void |
b3a54cba | 1409 | do_scroll_view(struct view *view, int lines, bool redraw) |
b801d8b2 | 1410 | { |
699ae55b JF |
1411 | assert(view_is_displayed(view)); |
1412 | ||
fd85fef1 JF |
1413 | /* The rendering expects the new offset. */ |
1414 | view->offset += lines; | |
1415 | ||
1416 | assert(0 <= view->offset && view->offset < view->lines); | |
1417 | assert(lines); | |
b801d8b2 | 1418 | |
82e78006 | 1419 | /* Redraw the whole screen if scrolling is pointless. */ |
4c6fabc2 | 1420 | if (view->height < ABS(lines)) { |
b76c2afc JF |
1421 | redraw_view(view); |
1422 | ||
1423 | } else { | |
22f66b0a | 1424 | int line = lines > 0 ? view->height - lines : 0; |
82e78006 | 1425 | int end = line + ABS(lines); |
fd85fef1 JF |
1426 | |
1427 | wscrl(view->win, lines); | |
1428 | ||
22f66b0a | 1429 | for (; line < end; line++) { |
fe7233c3 | 1430 | if (!draw_view_line(view, line)) |
fd85fef1 JF |
1431 | break; |
1432 | } | |
1433 | } | |
1434 | ||
1435 | /* Move current line into the view. */ | |
1436 | if (view->lineno < view->offset) { | |
1437 | view->lineno = view->offset; | |
fe7233c3 | 1438 | draw_view_line(view, 0); |
fd85fef1 JF |
1439 | |
1440 | } else if (view->lineno >= view->offset + view->height) { | |
6706b2ba JF |
1441 | if (view->lineno == view->offset + view->height) { |
1442 | /* Clear the hidden line so it doesn't show if the view | |
1443 | * is scrolled up. */ | |
1444 | wmove(view->win, view->height, 0); | |
1445 | wclrtoeol(view->win); | |
1446 | } | |
fd85fef1 | 1447 | view->lineno = view->offset + view->height - 1; |
fe7233c3 | 1448 | draw_view_line(view, view->lineno - view->offset); |
fd85fef1 JF |
1449 | } |
1450 | ||
4c6fabc2 | 1451 | assert(view->offset <= view->lineno && view->lineno < view->lines); |
fd85fef1 | 1452 | |
b3a54cba JF |
1453 | if (!redraw) |
1454 | return; | |
1455 | ||
fd85fef1 JF |
1456 | redrawwin(view->win); |
1457 | wrefresh(view->win); | |
9d3f5834 | 1458 | report(""); |
fd85fef1 | 1459 | } |
78c70acd | 1460 | |
4a2909a7 | 1461 | /* Scroll frontend */ |
fd85fef1 | 1462 | static void |
6b161b31 | 1463 | scroll_view(struct view *view, enum request request) |
fd85fef1 JF |
1464 | { |
1465 | int lines = 1; | |
b801d8b2 JF |
1466 | |
1467 | switch (request) { | |
4a2909a7 | 1468 | case REQ_SCROLL_PAGE_DOWN: |
fd85fef1 | 1469 | lines = view->height; |
4a2909a7 | 1470 | case REQ_SCROLL_LINE_DOWN: |
b801d8b2 | 1471 | if (view->offset + lines > view->lines) |
bde3653a | 1472 | lines = view->lines - view->offset; |
b801d8b2 | 1473 | |
fd85fef1 | 1474 | if (lines == 0 || view->offset + view->height >= view->lines) { |
eb98559e | 1475 | report("Cannot scroll beyond the last line"); |
b801d8b2 JF |
1476 | return; |
1477 | } | |
1478 | break; | |
1479 | ||
4a2909a7 | 1480 | case REQ_SCROLL_PAGE_UP: |
fd85fef1 | 1481 | lines = view->height; |
4a2909a7 | 1482 | case REQ_SCROLL_LINE_UP: |
b801d8b2 JF |
1483 | if (lines > view->offset) |
1484 | lines = view->offset; | |
1485 | ||
1486 | if (lines == 0) { | |
eb98559e | 1487 | report("Cannot scroll beyond the first line"); |
b801d8b2 JF |
1488 | return; |
1489 | } | |
1490 | ||
fd85fef1 | 1491 | lines = -lines; |
b801d8b2 | 1492 | break; |
03a93dbb | 1493 | |
6b161b31 JF |
1494 | default: |
1495 | die("request %d not handled in switch", request); | |
b801d8b2 JF |
1496 | } |
1497 | ||
b3a54cba | 1498 | do_scroll_view(view, lines, TRUE); |
fd85fef1 | 1499 | } |
b801d8b2 | 1500 | |
4a2909a7 | 1501 | /* Cursor moving */ |
fd85fef1 | 1502 | static void |
b3a54cba | 1503 | move_view(struct view *view, enum request request, bool redraw) |
fd85fef1 JF |
1504 | { |
1505 | int steps; | |
b801d8b2 | 1506 | |
fd85fef1 | 1507 | switch (request) { |
4a2909a7 | 1508 | case REQ_MOVE_FIRST_LINE: |
78c70acd JF |
1509 | steps = -view->lineno; |
1510 | break; | |
1511 | ||
4a2909a7 | 1512 | case REQ_MOVE_LAST_LINE: |
78c70acd JF |
1513 | steps = view->lines - view->lineno - 1; |
1514 | break; | |
1515 | ||
4a2909a7 | 1516 | case REQ_MOVE_PAGE_UP: |
78c70acd JF |
1517 | steps = view->height > view->lineno |
1518 | ? -view->lineno : -view->height; | |
1519 | break; | |
1520 | ||
4a2909a7 | 1521 | case REQ_MOVE_PAGE_DOWN: |
78c70acd JF |
1522 | steps = view->lineno + view->height >= view->lines |
1523 | ? view->lines - view->lineno - 1 : view->height; | |
1524 | break; | |
1525 | ||
4a2909a7 | 1526 | case REQ_MOVE_UP: |
fd85fef1 JF |
1527 | steps = -1; |
1528 | break; | |
b801d8b2 | 1529 | |
4a2909a7 | 1530 | case REQ_MOVE_DOWN: |
fd85fef1 JF |
1531 | steps = 1; |
1532 | break; | |
6b161b31 JF |
1533 | |
1534 | default: | |
1535 | die("request %d not handled in switch", request); | |
78c70acd | 1536 | } |
b801d8b2 | 1537 | |
4c6fabc2 | 1538 | if (steps <= 0 && view->lineno == 0) { |
eb98559e | 1539 | report("Cannot move beyond the first line"); |
78c70acd | 1540 | return; |
b801d8b2 | 1541 | |
6908bdbd | 1542 | } else if (steps >= 0 && view->lineno + 1 >= view->lines) { |
eb98559e | 1543 | report("Cannot move beyond the last line"); |
78c70acd | 1544 | return; |
fd85fef1 JF |
1545 | } |
1546 | ||
4c6fabc2 | 1547 | /* Move the current line */ |
fd85fef1 | 1548 | view->lineno += steps; |
4c6fabc2 JF |
1549 | assert(0 <= view->lineno && view->lineno < view->lines); |
1550 | ||
1551 | /* Repaint the old "current" line if we be scrolling */ | |
2e8488b4 JF |
1552 | if (ABS(steps) < view->height) { |
1553 | int prev_lineno = view->lineno - steps - view->offset; | |
1554 | ||
1555 | wmove(view->win, prev_lineno, 0); | |
1556 | wclrtoeol(view->win); | |
fe7233c3 | 1557 | draw_view_line(view, prev_lineno); |
2e8488b4 | 1558 | } |
fd85fef1 | 1559 | |
4c6fabc2 | 1560 | /* Check whether the view needs to be scrolled */ |
fd85fef1 JF |
1561 | if (view->lineno < view->offset || |
1562 | view->lineno >= view->offset + view->height) { | |
1563 | if (steps < 0 && -steps > view->offset) { | |
1564 | steps = -view->offset; | |
b76c2afc JF |
1565 | |
1566 | } else if (steps > 0) { | |
1567 | if (view->lineno == view->lines - 1 && | |
1568 | view->lines > view->height) { | |
1569 | steps = view->lines - view->offset - 1; | |
1570 | if (steps >= view->height) | |
1571 | steps -= view->height - 1; | |
1572 | } | |
b801d8b2 | 1573 | } |
78c70acd | 1574 | |
b3a54cba | 1575 | do_scroll_view(view, steps, redraw); |
fd85fef1 | 1576 | return; |
b801d8b2 JF |
1577 | } |
1578 | ||
4c6fabc2 | 1579 | /* Draw the current line */ |
fe7233c3 | 1580 | draw_view_line(view, view->lineno - view->offset); |
fd85fef1 | 1581 | |
b3a54cba JF |
1582 | if (!redraw) |
1583 | return; | |
1584 | ||
b801d8b2 JF |
1585 | redrawwin(view->win); |
1586 | wrefresh(view->win); | |
9d3f5834 | 1587 | report(""); |
b801d8b2 JF |
1588 | } |
1589 | ||
b801d8b2 | 1590 | |
2e8488b4 | 1591 | /* |
4af34daa JF |
1592 | * Searching |
1593 | */ | |
1594 | ||
1595 | static void search_view(struct view *view, enum request request, const char *search); | |
1596 | ||
1597 | static bool | |
1598 | find_next_line(struct view *view, unsigned long lineno, struct line *line) | |
1599 | { | |
699ae55b JF |
1600 | assert(view_is_displayed(view)); |
1601 | ||
4af34daa JF |
1602 | if (!view->ops->grep(view, line)) |
1603 | return FALSE; | |
1604 | ||
1605 | if (lineno - view->offset >= view->height) { | |
1606 | view->offset = lineno; | |
1607 | view->lineno = lineno; | |
1608 | redraw_view(view); | |
1609 | ||
1610 | } else { | |
1611 | unsigned long old_lineno = view->lineno - view->offset; | |
1612 | ||
1613 | view->lineno = lineno; | |
1614 | ||
1615 | wmove(view->win, old_lineno, 0); | |
1616 | wclrtoeol(view->win); | |
1617 | draw_view_line(view, old_lineno); | |
1618 | ||
1619 | draw_view_line(view, view->lineno - view->offset); | |
1620 | redrawwin(view->win); | |
1621 | wrefresh(view->win); | |
1622 | } | |
1623 | ||
1624 | report("Line %ld matches '%s'", lineno + 1, view->grep); | |
1625 | return TRUE; | |
1626 | } | |
1627 | ||
1628 | static void | |
1629 | find_next(struct view *view, enum request request) | |
1630 | { | |
1631 | unsigned long lineno = view->lineno; | |
1632 | int direction; | |
1633 | ||
1634 | if (!*view->grep) { | |
1635 | if (!*opt_search) | |
1636 | report("No previous search"); | |
1637 | else | |
1638 | search_view(view, request, opt_search); | |
1639 | return; | |
1640 | } | |
1641 | ||
1642 | switch (request) { | |
1643 | case REQ_SEARCH: | |
1644 | case REQ_FIND_NEXT: | |
1645 | direction = 1; | |
1646 | break; | |
1647 | ||
1648 | case REQ_SEARCH_BACK: | |
1649 | case REQ_FIND_PREV: | |
1650 | direction = -1; | |
1651 | break; | |
1652 | ||
1653 | default: | |
1654 | return; | |
1655 | } | |
1656 | ||
1657 | if (request == REQ_FIND_NEXT || request == REQ_FIND_PREV) | |
1658 | lineno += direction; | |
1659 | ||
1660 | /* Note, lineno is unsigned long so will wrap around in which case it | |
1661 | * will become bigger than view->lines. */ | |
1662 | for (; lineno < view->lines; lineno += direction) { | |
1663 | struct line *line = &view->line[lineno]; | |
1664 | ||
1665 | if (find_next_line(view, lineno, line)) | |
1666 | return; | |
1667 | } | |
1668 | ||
1669 | report("No match found for '%s'", view->grep); | |
1670 | } | |
1671 | ||
1672 | static void | |
1673 | search_view(struct view *view, enum request request, const char *search) | |
1674 | { | |
1675 | int regex_err; | |
1676 | ||
1677 | if (*view->grep) { | |
1678 | regfree(&view->regex); | |
1679 | *view->grep = 0; | |
1680 | } | |
1681 | ||
1682 | regex_err = regcomp(&view->regex, search, REG_EXTENDED); | |
1683 | if (regex_err != 0) { | |
1684 | char buf[SIZEOF_STR] = "unknown error"; | |
1685 | ||
1686 | regerror(regex_err, &view->regex, buf, sizeof(buf)); | |
1687 | report("Search failed: %s", buf);; | |
1688 | return; | |
1689 | } | |
1690 | ||
1691 | string_copy(view->grep, search); | |
1692 | ||
1693 | find_next(view, request); | |
1694 | } | |
1695 | ||
1696 | /* | |
2e8488b4 JF |
1697 | * Incremental updating |
1698 | */ | |
b801d8b2 | 1699 | |
199d1288 JF |
1700 | static void |
1701 | end_update(struct view *view) | |
1702 | { | |
1703 | if (!view->pipe) | |
1704 | return; | |
1705 | set_nonblocking_input(FALSE); | |
1706 | if (view->pipe == stdin) | |
1707 | fclose(view->pipe); | |
1708 | else | |
1709 | pclose(view->pipe); | |
1710 | view->pipe = NULL; | |
1711 | } | |
1712 | ||
03a93dbb | 1713 | static bool |
b801d8b2 JF |
1714 | begin_update(struct view *view) |
1715 | { | |
4685845e | 1716 | const char *id = view->id; |
fd85fef1 | 1717 | |
199d1288 JF |
1718 | if (view->pipe) |
1719 | end_update(view); | |
1720 | ||
03a93dbb JF |
1721 | if (opt_cmd[0]) { |
1722 | string_copy(view->cmd, opt_cmd); | |
1723 | opt_cmd[0] = 0; | |
8855ada4 JF |
1724 | /* When running random commands, the view ref could have become |
1725 | * invalid so clear it. */ | |
1726 | view->ref[0] = 0; | |
e733ee54 JF |
1727 | |
1728 | } else if (view == VIEW(REQ_VIEW_TREE)) { | |
1729 | const char *format = view->cmd_env ? view->cmd_env : view->cmd_fmt; | |
1730 | ||
1731 | if (strcmp(view->vid, view->id)) | |
1732 | opt_path[0] = 0; | |
1733 | ||
1734 | if (snprintf(view->cmd, sizeof(view->cmd), format, id, opt_path) | |
1735 | >= sizeof(view->cmd)) | |
1736 | return FALSE; | |
1737 | ||
03a93dbb | 1738 | } else { |
4685845e | 1739 | const char *format = view->cmd_env ? view->cmd_env : view->cmd_fmt; |
1ba2ae4b | 1740 | |
cc2d1364 | 1741 | if (!string_format(view->cmd, format, id, id, id, id, id)) |
03a93dbb JF |
1742 | return FALSE; |
1743 | } | |
b801d8b2 | 1744 | |
6908bdbd JF |
1745 | /* Special case for the pager view. */ |
1746 | if (opt_pipe) { | |
1747 | view->pipe = opt_pipe; | |
1748 | opt_pipe = NULL; | |
1749 | } else { | |
1750 | view->pipe = popen(view->cmd, "r"); | |
1751 | } | |
1752 | ||
2e8488b4 JF |
1753 | if (!view->pipe) |
1754 | return FALSE; | |
b801d8b2 | 1755 | |
6b161b31 | 1756 | set_nonblocking_input(TRUE); |
b801d8b2 JF |
1757 | |
1758 | view->offset = 0; | |
1759 | view->lines = 0; | |
1760 | view->lineno = 0; | |
49f2b43f | 1761 | string_copy(view->vid, id); |
b801d8b2 | 1762 | |
2e8488b4 JF |
1763 | if (view->line) { |
1764 | int i; | |
1765 | ||
1766 | for (i = 0; i < view->lines; i++) | |
fe7233c3 JF |
1767 | if (view->line[i].data) |
1768 | free(view->line[i].data); | |
2e8488b4 JF |
1769 | |
1770 | free(view->line); | |
1771 | view->line = NULL; | |
1772 | } | |
1773 | ||
1774 | view->start_time = time(NULL); | |
1775 | ||
b801d8b2 JF |
1776 | return TRUE; |
1777 | } | |
1778 | ||
e2c01617 JF |
1779 | static struct line * |
1780 | realloc_lines(struct view *view, size_t line_size) | |
1781 | { | |
1782 | struct line *tmp = realloc(view->line, sizeof(*view->line) * line_size); | |
1783 | ||
1784 | if (!tmp) | |
1785 | return NULL; | |
1786 | ||
1787 | view->line = tmp; | |
1788 | view->line_size = line_size; | |
1789 | return view->line; | |
1790 | } | |
1791 | ||
03a93dbb | 1792 | static bool |
b801d8b2 JF |
1793 | update_view(struct view *view) |
1794 | { | |
6b68fd24 JF |
1795 | char in_buffer[BUFSIZ]; |
1796 | char out_buffer[BUFSIZ * 2]; | |
b801d8b2 | 1797 | char *line; |
82e78006 JF |
1798 | /* The number of lines to read. If too low it will cause too much |
1799 | * redrawing (and possible flickering), if too high responsiveness | |
1800 | * will suffer. */ | |
8855ada4 | 1801 | unsigned long lines = view->height; |
82e78006 | 1802 | int redraw_from = -1; |
b801d8b2 JF |
1803 | |
1804 | if (!view->pipe) | |
1805 | return TRUE; | |
1806 | ||
82e78006 JF |
1807 | /* Only redraw if lines are visible. */ |
1808 | if (view->offset + view->height >= view->lines) | |
1809 | redraw_from = view->lines - view->offset; | |
b801d8b2 | 1810 | |
699ae55b | 1811 | /* FIXME: This is probably not perfect for backgrounded views. */ |
e2c01617 | 1812 | if (!realloc_lines(view, view->lines + lines)) |
b801d8b2 JF |
1813 | goto alloc_error; |
1814 | ||
6b68fd24 JF |
1815 | while ((line = fgets(in_buffer, sizeof(in_buffer), view->pipe))) { |
1816 | size_t linelen = strlen(line); | |
b801d8b2 | 1817 | |
b801d8b2 JF |
1818 | if (linelen) |
1819 | line[linelen - 1] = 0; | |
1820 | ||
6b68fd24 JF |
1821 | if (opt_iconv != ICONV_NONE) { |
1822 | char *inbuf = line; | |
1823 | size_t inlen = linelen; | |
1824 | ||
1825 | char *outbuf = out_buffer; | |
1826 | size_t outlen = sizeof(out_buffer); | |
1827 | ||
1828 | size_t ret; | |
1829 | ||
1830 | ret = iconv(opt_iconv, &inbuf, &inlen, &outbuf, &outlen); | |
1831 | if (ret != (size_t) -1) { | |
1832 | line = out_buffer; | |
1833 | linelen = strlen(out_buffer); | |
1834 | } | |
1835 | } | |
1836 | ||
701e4f5d | 1837 | if (!view->ops->read(view, line)) |
b801d8b2 | 1838 | goto alloc_error; |
fd85fef1 JF |
1839 | |
1840 | if (lines-- == 1) | |
1841 | break; | |
b801d8b2 JF |
1842 | } |
1843 | ||
8855ada4 JF |
1844 | { |
1845 | int digits; | |
1846 | ||
1847 | lines = view->lines; | |
1848 | for (digits = 0; lines; digits++) | |
1849 | lines /= 10; | |
1850 | ||
1851 | /* Keep the displayed view in sync with line number scaling. */ | |
1852 | if (digits != view->digits) { | |
1853 | view->digits = digits; | |
1854 | redraw_from = 0; | |
1855 | } | |
1856 | } | |
1857 | ||
699ae55b JF |
1858 | if (!view_is_displayed(view)) |
1859 | goto check_pipe; | |
1860 | ||
e733ee54 JF |
1861 | if (view == VIEW(REQ_VIEW_TREE)) { |
1862 | /* Clear the view and redraw everything since the tree sorting | |
1863 | * might have rearranged things. */ | |
1864 | redraw_view(view); | |
1865 | ||
1866 | } else if (redraw_from >= 0) { | |
82e78006 | 1867 | /* If this is an incremental update, redraw the previous line |
a28bcc22 JF |
1868 | * since for commits some members could have changed when |
1869 | * loading the main view. */ | |
82e78006 JF |
1870 | if (redraw_from > 0) |
1871 | redraw_from--; | |
1872 | ||
1873 | /* Incrementally draw avoids flickering. */ | |
1874 | redraw_view_from(view, redraw_from); | |
4c6fabc2 | 1875 | } |
b801d8b2 | 1876 | |
eb98559e JF |
1877 | /* Update the title _after_ the redraw so that if the redraw picks up a |
1878 | * commit reference in view->ref it'll be available here. */ | |
1879 | update_view_title(view); | |
1880 | ||
699ae55b | 1881 | check_pipe: |
b801d8b2 | 1882 | if (ferror(view->pipe)) { |
03a93dbb | 1883 | report("Failed to read: %s", strerror(errno)); |
b801d8b2 JF |
1884 | goto end; |
1885 | ||
1886 | } else if (feof(view->pipe)) { | |
f97f4012 | 1887 | report(""); |
b801d8b2 JF |
1888 | goto end; |
1889 | } | |
1890 | ||
1891 | return TRUE; | |
1892 | ||
1893 | alloc_error: | |
2e8488b4 | 1894 | report("Allocation failure"); |
b801d8b2 JF |
1895 | |
1896 | end: | |
1897 | end_update(view); | |
1898 | return FALSE; | |
1899 | } | |
1900 | ||
79d445ca | 1901 | |
e10154d5 JF |
1902 | /* |
1903 | * View opening | |
1904 | */ | |
1905 | ||
79d445ca JF |
1906 | static void open_help_view(struct view *view) |
1907 | { | |
1908 | char buf[BUFSIZ]; | |
1909 | int lines = ARRAY_SIZE(req_info) + 2; | |
1910 | int i; | |
1911 | ||
1912 | if (view->lines > 0) | |
1913 | return; | |
1914 | ||
1915 | for (i = 0; i < ARRAY_SIZE(req_info); i++) | |
1916 | if (!req_info[i].request) | |
1917 | lines++; | |
1918 | ||
1919 | view->line = calloc(lines, sizeof(*view->line)); | |
1920 | if (!view->line) { | |
1921 | report("Allocation failure"); | |
1922 | return; | |
1923 | } | |
1924 | ||
1925 | view->ops->read(view, "Quick reference for tig keybindings:"); | |
1926 | ||
1927 | for (i = 0; i < ARRAY_SIZE(req_info); i++) { | |
1928 | char *key; | |
1929 | ||
1930 | if (!req_info[i].request) { | |
1931 | view->ops->read(view, ""); | |
1932 | view->ops->read(view, req_info[i].help); | |
1933 | continue; | |
1934 | } | |
1935 | ||
1936 | key = get_key(req_info[i].request); | |
1937 | if (!string_format(buf, "%-25s %s", key, req_info[i].help)) | |
1938 | continue; | |
1939 | ||
1940 | view->ops->read(view, buf); | |
1941 | } | |
1942 | } | |
1943 | ||
49f2b43f JF |
1944 | enum open_flags { |
1945 | OPEN_DEFAULT = 0, /* Use default view switching. */ | |
1946 | OPEN_SPLIT = 1, /* Split current view. */ | |
1947 | OPEN_BACKGROUNDED = 2, /* Backgrounded. */ | |
1948 | OPEN_RELOAD = 4, /* Reload view even if it is the current. */ | |
1949 | }; | |
1950 | ||
6b161b31 | 1951 | static void |
49f2b43f | 1952 | open_view(struct view *prev, enum request request, enum open_flags flags) |
b801d8b2 | 1953 | { |
49f2b43f JF |
1954 | bool backgrounded = !!(flags & OPEN_BACKGROUNDED); |
1955 | bool split = !!(flags & OPEN_SPLIT); | |
1956 | bool reload = !!(flags & OPEN_RELOAD); | |
a28bcc22 | 1957 | struct view *view = VIEW(request); |
9f41488f | 1958 | int nviews = displayed_views(); |
6e950a52 | 1959 | struct view *base_view = display[0]; |
b801d8b2 | 1960 | |
49f2b43f | 1961 | if (view == prev && nviews == 1 && !reload) { |
6b161b31 JF |
1962 | report("Already in %s view", view->name); |
1963 | return; | |
1964 | } | |
b801d8b2 | 1965 | |
2509b112 | 1966 | if (view == VIEW(REQ_VIEW_HELP)) { |
79d445ca | 1967 | open_help_view(view); |
2509b112 JF |
1968 | |
1969 | } else if ((reload || strcmp(view->vid, view->id)) && | |
1970 | !begin_update(view)) { | |
6b161b31 JF |
1971 | report("Failed to load %s view", view->name); |
1972 | return; | |
1973 | } | |
a28bcc22 | 1974 | |
6b161b31 | 1975 | if (split) { |
8d741c06 | 1976 | display[1] = view; |
6b161b31 | 1977 | if (!backgrounded) |
8d741c06 | 1978 | current_view = 1; |
6b161b31 JF |
1979 | } else { |
1980 | /* Maximize the current view. */ | |
1981 | memset(display, 0, sizeof(display)); | |
1982 | current_view = 0; | |
1983 | display[current_view] = view; | |
a28bcc22 | 1984 | } |
b801d8b2 | 1985 | |
6e950a52 JF |
1986 | /* Resize the view when switching between split- and full-screen, |
1987 | * or when switching between two different full-screen views. */ | |
1988 | if (nviews != displayed_views() || | |
1989 | (nviews == 1 && base_view != display[0])) | |
a006db63 | 1990 | resize_display(); |
b801d8b2 | 1991 | |
a8891802 | 1992 | if (split && prev->lineno - prev->offset >= prev->height) { |
03a93dbb | 1993 | /* Take the title line into account. */ |
eb98559e | 1994 | int lines = prev->lineno - prev->offset - prev->height + 1; |
03a93dbb JF |
1995 | |
1996 | /* Scroll the view that was split if the current line is | |
1997 | * outside the new limited view. */ | |
b3a54cba | 1998 | do_scroll_view(prev, lines, TRUE); |
03a93dbb JF |
1999 | } |
2000 | ||
6b161b31 | 2001 | if (prev && view != prev) { |
9b995f0c | 2002 | if (split && !backgrounded) { |
f0b3ab80 JF |
2003 | /* "Blur" the previous view. */ |
2004 | update_view_title(prev); | |
9f396969 | 2005 | } |
f0b3ab80 | 2006 | |
f6da0b66 | 2007 | view->parent = prev; |
b801d8b2 JF |
2008 | } |
2009 | ||
9f396969 | 2010 | if (view->pipe && view->lines == 0) { |
03a93dbb JF |
2011 | /* Clear the old view and let the incremental updating refill |
2012 | * the screen. */ | |
2013 | wclear(view->win); | |
f97f4012 | 2014 | report(""); |
03a93dbb JF |
2015 | } else { |
2016 | redraw_view(view); | |
24b5b3e0 | 2017 | report(""); |
03a93dbb | 2018 | } |
6706b2ba JF |
2019 | |
2020 | /* If the view is backgrounded the above calls to report() | |
2021 | * won't redraw the view title. */ | |
2022 | if (backgrounded) | |
2023 | update_view_title(view); | |
b801d8b2 JF |
2024 | } |
2025 | ||
2026 | ||
6b161b31 JF |
2027 | /* |
2028 | * User request switch noodle | |
2029 | */ | |
2030 | ||
b801d8b2 | 2031 | static int |
6b161b31 | 2032 | view_driver(struct view *view, enum request request) |
b801d8b2 | 2033 | { |
b801d8b2 JF |
2034 | int i; |
2035 | ||
2036 | switch (request) { | |
4a2909a7 JF |
2037 | case REQ_MOVE_UP: |
2038 | case REQ_MOVE_DOWN: | |
2039 | case REQ_MOVE_PAGE_UP: | |
2040 | case REQ_MOVE_PAGE_DOWN: | |
2041 | case REQ_MOVE_FIRST_LINE: | |
2042 | case REQ_MOVE_LAST_LINE: | |
b3a54cba | 2043 | move_view(view, request, TRUE); |
fd85fef1 JF |
2044 | break; |
2045 | ||
4a2909a7 JF |
2046 | case REQ_SCROLL_LINE_DOWN: |
2047 | case REQ_SCROLL_LINE_UP: | |
2048 | case REQ_SCROLL_PAGE_DOWN: | |
2049 | case REQ_SCROLL_PAGE_UP: | |
a28bcc22 | 2050 | scroll_view(view, request); |
b801d8b2 JF |
2051 | break; |
2052 | ||
e733ee54 JF |
2053 | case REQ_VIEW_BLOB: |
2054 | if (!ref_blob[0]) { | |
2055 | report("No file chosen, press 't' to open tree view"); | |
2056 | break; | |
2057 | } | |
2058 | /* Fall-through */ | |
4a2909a7 | 2059 | case REQ_VIEW_MAIN: |
4a2909a7 | 2060 | case REQ_VIEW_DIFF: |
2e8488b4 | 2061 | case REQ_VIEW_LOG: |
e733ee54 | 2062 | case REQ_VIEW_TREE: |
2e8488b4 | 2063 | case REQ_VIEW_HELP: |
6908bdbd | 2064 | case REQ_VIEW_PAGER: |
49f2b43f | 2065 | open_view(view, request, OPEN_DEFAULT); |
b801d8b2 JF |
2066 | break; |
2067 | ||
b3a54cba JF |
2068 | case REQ_NEXT: |
2069 | case REQ_PREVIOUS: | |
2070 | request = request == REQ_NEXT ? REQ_MOVE_DOWN : REQ_MOVE_UP; | |
2071 | ||
e733ee54 JF |
2072 | if ((view == VIEW(REQ_VIEW_DIFF) && |
2073 | view->parent == VIEW(REQ_VIEW_MAIN)) || | |
2074 | (view == VIEW(REQ_VIEW_BLOB) && | |
2075 | view->parent == VIEW(REQ_VIEW_TREE))) { | |
f0b3ab80 | 2076 | bool redraw = display[1] == view; |
b3a54cba JF |
2077 | |
2078 | view = view->parent; | |
2079 | move_view(view, request, redraw); | |
f0b3ab80 JF |
2080 | if (redraw) |
2081 | update_view_title(view); | |
b3a54cba JF |
2082 | } else { |
2083 | move_view(view, request, TRUE); | |
2084 | break; | |
2085 | } | |
6706b2ba JF |
2086 | /* Fall-through */ |
2087 | ||
6b161b31 | 2088 | case REQ_ENTER: |
6908bdbd JF |
2089 | if (!view->lines) { |
2090 | report("Nothing to enter"); | |
2091 | break; | |
2092 | } | |
fe7233c3 | 2093 | return view->ops->enter(view, &view->line[view->lineno]); |
6b161b31 | 2094 | |
03a93dbb JF |
2095 | case REQ_VIEW_NEXT: |
2096 | { | |
9f41488f | 2097 | int nviews = displayed_views(); |
03a93dbb JF |
2098 | int next_view = (current_view + 1) % nviews; |
2099 | ||
2100 | if (next_view == current_view) { | |
2101 | report("Only one view is displayed"); | |
2102 | break; | |
2103 | } | |
2104 | ||
2105 | current_view = next_view; | |
2106 | /* Blur out the title of the previous view. */ | |
2107 | update_view_title(view); | |
6734f6b9 | 2108 | report(""); |
03a93dbb JF |
2109 | break; |
2110 | } | |
24b5b3e0 | 2111 | case REQ_TOGGLE_LINENO: |
b76c2afc | 2112 | opt_line_number = !opt_line_number; |
20bb5e18 | 2113 | redraw_display(); |
b801d8b2 JF |
2114 | break; |
2115 | ||
54efb62b JF |
2116 | case REQ_TOGGLE_REV_GRAPH: |
2117 | opt_rev_graph = !opt_rev_graph; | |
2118 | redraw_display(); | |
2119 | break; | |
2120 | ||
03a93dbb | 2121 | case REQ_PROMPT: |
8855ada4 | 2122 | /* Always reload^Wrerun commands from the prompt. */ |
49f2b43f | 2123 | open_view(view, opt_request, OPEN_RELOAD); |
03a93dbb JF |
2124 | break; |
2125 | ||
4af34daa JF |
2126 | case REQ_SEARCH: |
2127 | case REQ_SEARCH_BACK: | |
2128 | search_view(view, request, opt_search); | |
2129 | break; | |
2130 | ||
2131 | case REQ_FIND_NEXT: | |
2132 | case REQ_FIND_PREV: | |
2133 | find_next(view, request); | |
2134 | break; | |
2135 | ||
4a2909a7 | 2136 | case REQ_STOP_LOADING: |
59a45d3a JF |
2137 | for (i = 0; i < ARRAY_SIZE(views); i++) { |
2138 | view = &views[i]; | |
2e8488b4 | 2139 | if (view->pipe) |
6a7bb912 | 2140 | report("Stopped loading the %s view", view->name), |
03a93dbb JF |
2141 | end_update(view); |
2142 | } | |
b801d8b2 JF |
2143 | break; |
2144 | ||
4a2909a7 | 2145 | case REQ_SHOW_VERSION: |
6cb291b7 | 2146 | report("%s (built %s)", VERSION, __DATE__); |
b801d8b2 JF |
2147 | return TRUE; |
2148 | ||
fac7db6c JF |
2149 | case REQ_SCREEN_RESIZE: |
2150 | resize_display(); | |
2151 | /* Fall-through */ | |
4a2909a7 | 2152 | case REQ_SCREEN_REDRAW: |
20bb5e18 | 2153 | redraw_display(); |
4a2909a7 JF |
2154 | break; |
2155 | ||
1d754561 | 2156 | case REQ_NONE: |
b801d8b2 JF |
2157 | doupdate(); |
2158 | return TRUE; | |
2159 | ||
4f9b667a | 2160 | case REQ_VIEW_CLOSE: |
2fcf5401 JF |
2161 | /* XXX: Mark closed views by letting view->parent point to the |
2162 | * view itself. Parents to closed view should never be | |
2163 | * followed. */ | |
2164 | if (view->parent && | |
2165 | view->parent->parent != view->parent) { | |
4f9b667a JF |
2166 | memset(display, 0, sizeof(display)); |
2167 | current_view = 0; | |
f6da0b66 | 2168 | display[current_view] = view->parent; |
2fcf5401 | 2169 | view->parent = view; |
4f9b667a JF |
2170 | resize_display(); |
2171 | redraw_display(); | |
2172 | break; | |
2173 | } | |
2174 | /* Fall-through */ | |
b801d8b2 JF |
2175 | case REQ_QUIT: |
2176 | return FALSE; | |
2177 | ||
2178 | default: | |
2e8488b4 | 2179 | /* An unknown key will show most commonly used commands. */ |
468876c9 | 2180 | report("Unknown key, press 'h' for help"); |
b801d8b2 JF |
2181 | return TRUE; |
2182 | } | |
2183 | ||
2184 | return TRUE; | |
2185 | } | |
2186 | ||
2187 | ||
2188 | /* | |
ff26aa29 | 2189 | * Pager backend |
b801d8b2 JF |
2190 | */ |
2191 | ||
6b161b31 | 2192 | static bool |
fe7233c3 | 2193 | pager_draw(struct view *view, struct line *line, unsigned int lineno) |
b801d8b2 | 2194 | { |
fe7233c3 JF |
2195 | char *text = line->data; |
2196 | enum line_type type = line->type; | |
2197 | int textlen = strlen(text); | |
78c70acd | 2198 | int attr; |
b801d8b2 | 2199 | |
6706b2ba JF |
2200 | wmove(view->win, lineno, 0); |
2201 | ||
fd85fef1 | 2202 | if (view->offset + lineno == view->lineno) { |
8855ada4 | 2203 | if (type == LINE_COMMIT) { |
fe7233c3 | 2204 | string_copy(view->ref, text + 7); |
03a93dbb | 2205 | string_copy(ref_commit, view->ref); |
e733ee54 JF |
2206 | |
2207 | } else if (type == LINE_TREE_DIR || type == LINE_TREE_FILE) { | |
2208 | strncpy(view->ref, text + STRING_SIZE("100644 blob "), 41); | |
2209 | view->ref[40] = 0; | |
2210 | string_copy(ref_blob, view->ref); | |
03a93dbb | 2211 | } |
8855ada4 | 2212 | |
78c70acd | 2213 | type = LINE_CURSOR; |
6706b2ba | 2214 | wchgat(view->win, -1, 0, type, NULL); |
fd85fef1 JF |
2215 | } |
2216 | ||
78c70acd | 2217 | attr = get_line_attr(type); |
b801d8b2 | 2218 | wattrset(view->win, attr); |
b76c2afc | 2219 | |
6706b2ba JF |
2220 | if (opt_line_number || opt_tab_size < TABSIZE) { |
2221 | static char spaces[] = " "; | |
2222 | int col_offset = 0, col = 0; | |
2223 | ||
2224 | if (opt_line_number) { | |
2225 | unsigned long real_lineno = view->offset + lineno + 1; | |
82e78006 | 2226 | |
6706b2ba JF |
2227 | if (real_lineno == 1 || |
2228 | (real_lineno % opt_num_interval) == 0) { | |
2229 | wprintw(view->win, "%.*d", view->digits, real_lineno); | |
8855ada4 | 2230 | |
6706b2ba JF |
2231 | } else { |
2232 | waddnstr(view->win, spaces, | |
2233 | MIN(view->digits, STRING_SIZE(spaces))); | |
2234 | } | |
2235 | waddstr(view->win, ": "); | |
2236 | col_offset = view->digits + 2; | |
2237 | } | |
8855ada4 | 2238 | |
fe7233c3 | 2239 | while (text && col_offset + col < view->width) { |
6706b2ba | 2240 | int cols_max = view->width - col_offset - col; |
fe7233c3 | 2241 | char *pos = text; |
6706b2ba | 2242 | int cols; |
4c6fabc2 | 2243 | |
fe7233c3 JF |
2244 | if (*text == '\t') { |
2245 | text++; | |
6706b2ba | 2246 | assert(sizeof(spaces) > TABSIZE); |
fe7233c3 | 2247 | pos = spaces; |
6706b2ba | 2248 | cols = opt_tab_size - (col % opt_tab_size); |
82e78006 | 2249 | |
b76c2afc | 2250 | } else { |
fe7233c3 JF |
2251 | text = strchr(text, '\t'); |
2252 | cols = line ? text - pos : strlen(pos); | |
b76c2afc | 2253 | } |
6706b2ba | 2254 | |
fe7233c3 | 2255 | waddnstr(view->win, pos, MIN(cols, cols_max)); |
6706b2ba | 2256 | col += cols; |
b76c2afc | 2257 | } |
b76c2afc JF |
2258 | |
2259 | } else { | |
6706b2ba | 2260 | int col = 0, pos = 0; |
b801d8b2 | 2261 | |
fe7233c3 JF |
2262 | for (; pos < textlen && col < view->width; pos++, col++) |
2263 | if (text[pos] == '\t') | |
6706b2ba JF |
2264 | col += TABSIZE - (col % TABSIZE) - 1; |
2265 | ||
fe7233c3 | 2266 | waddnstr(view->win, text, pos); |
6706b2ba | 2267 | } |
2e8488b4 | 2268 | |
b801d8b2 JF |
2269 | return TRUE; |
2270 | } | |
2271 | ||
dc23c0e3 | 2272 | static bool |
d65ced0d | 2273 | add_describe_ref(char *buf, size_t *bufpos, char *commit_id, const char *sep) |
dc23c0e3 | 2274 | { |
17482b11 | 2275 | char refbuf[SIZEOF_STR]; |
dc23c0e3 JF |
2276 | char *ref = NULL; |
2277 | FILE *pipe; | |
2278 | ||
2279 | if (!string_format(refbuf, "git describe %s", commit_id)) | |
2280 | return TRUE; | |
2281 | ||
2282 | pipe = popen(refbuf, "r"); | |
2283 | if (!pipe) | |
2284 | return TRUE; | |
2285 | ||
2286 | if ((ref = fgets(refbuf, sizeof(refbuf), pipe))) | |
2287 | ref = chomp_string(ref); | |
2288 | pclose(pipe); | |
2289 | ||
2290 | if (!ref || !*ref) | |
2291 | return TRUE; | |
2292 | ||
2293 | /* This is the only fatal call, since it can "corrupt" the buffer. */ | |
17482b11 | 2294 | if (!string_nformat(buf, SIZEOF_STR, bufpos, "%s%s", sep, ref)) |
dc23c0e3 JF |
2295 | return FALSE; |
2296 | ||
2297 | return TRUE; | |
2298 | } | |
2299 | ||
7b99a34c JF |
2300 | static void |
2301 | add_pager_refs(struct view *view, struct line *line) | |
2302 | { | |
17482b11 | 2303 | char buf[SIZEOF_STR]; |
c9ca1ec3 | 2304 | char *commit_id = line->data + STRING_SIZE("commit "); |
7b99a34c | 2305 | struct ref **refs; |
d65ced0d | 2306 | size_t bufpos = 0, refpos = 0; |
7b99a34c | 2307 | const char *sep = "Refs: "; |
dc23c0e3 | 2308 | bool is_tag = FALSE; |
7b99a34c JF |
2309 | |
2310 | assert(line->type == LINE_COMMIT); | |
2311 | ||
c9ca1ec3 | 2312 | refs = get_refs(commit_id); |
dc23c0e3 JF |
2313 | if (!refs) { |
2314 | if (view == VIEW(REQ_VIEW_DIFF)) | |
2315 | goto try_add_describe_ref; | |
7b99a34c | 2316 | return; |
dc23c0e3 | 2317 | } |
7b99a34c JF |
2318 | |
2319 | do { | |
cc2d1364 JF |
2320 | struct ref *ref = refs[refpos]; |
2321 | char *fmt = ref->tag ? "%s[%s]" : "%s%s"; | |
7b99a34c | 2322 | |
cc2d1364 JF |
2323 | if (!string_format_from(buf, &bufpos, fmt, sep, ref->name)) |
2324 | return; | |
7b99a34c | 2325 | sep = ", "; |
dc23c0e3 JF |
2326 | if (ref->tag) |
2327 | is_tag = TRUE; | |
7b99a34c JF |
2328 | } while (refs[refpos++]->next); |
2329 | ||
dc23c0e3 JF |
2330 | if (!is_tag && view == VIEW(REQ_VIEW_DIFF)) { |
2331 | try_add_describe_ref: | |
2332 | if (!add_describe_ref(buf, &bufpos, commit_id, sep)) | |
2333 | return; | |
2334 | } | |
2335 | ||
cc2d1364 | 2336 | if (!realloc_lines(view, view->line_size + 1)) |
7b99a34c JF |
2337 | return; |
2338 | ||
2339 | line = &view->line[view->lines]; | |
2340 | line->data = strdup(buf); | |
2341 | if (!line->data) | |
2342 | return; | |
2343 | ||
2344 | line->type = LINE_PP_REFS; | |
2345 | view->lines++; | |
2346 | } | |
2347 | ||
6b161b31 | 2348 | static bool |
701e4f5d | 2349 | pager_read(struct view *view, char *data) |
22f66b0a | 2350 | { |
7b99a34c | 2351 | struct line *line = &view->line[view->lines]; |
22f66b0a | 2352 | |
7b99a34c JF |
2353 | line->data = strdup(data); |
2354 | if (!line->data) | |
2355 | return FALSE; | |
fe7233c3 | 2356 | |
7b99a34c | 2357 | line->type = get_line_type(line->data); |
22f66b0a | 2358 | view->lines++; |
7b99a34c JF |
2359 | |
2360 | if (line->type == LINE_COMMIT && | |
2361 | (view == VIEW(REQ_VIEW_DIFF) || | |
2362 | view == VIEW(REQ_VIEW_LOG))) | |
2363 | add_pager_refs(view, line); | |
2364 | ||
22f66b0a JF |
2365 | return TRUE; |
2366 | } | |
2367 | ||
6b161b31 | 2368 | static bool |
fe7233c3 | 2369 | pager_enter(struct view *view, struct line *line) |
6b161b31 | 2370 | { |
91e8e277 | 2371 | int split = 0; |
6b161b31 | 2372 | |
9fbbd28f JF |
2373 | if (line->type == LINE_COMMIT && |
2374 | (view == VIEW(REQ_VIEW_LOG) || | |
2375 | view == VIEW(REQ_VIEW_PAGER))) { | |
91e8e277 JF |
2376 | open_view(view, REQ_VIEW_DIFF, OPEN_SPLIT); |
2377 | split = 1; | |
67e48ac5 JF |
2378 | } |
2379 | ||
91e8e277 JF |
2380 | /* Always scroll the view even if it was split. That way |
2381 | * you can use Enter to scroll through the log view and | |
2382 | * split open each commit diff. */ | |
2383 | scroll_view(view, REQ_SCROLL_LINE_DOWN); | |
2384 | ||
2385 | /* FIXME: A minor workaround. Scrolling the view will call report("") | |
9d82d824 JF |
2386 | * but if we are scrolling a non-current view this won't properly |
2387 | * update the view title. */ | |
91e8e277 JF |
2388 | if (split) |
2389 | update_view_title(view); | |
6b161b31 JF |
2390 | |
2391 | return TRUE; | |
2392 | } | |
2393 | ||
4af34daa JF |
2394 | static bool |
2395 | pager_grep(struct view *view, struct line *line) | |
2396 | { | |
2397 | regmatch_t pmatch; | |
2398 | char *text = line->data; | |
2399 | ||
2400 | if (!*text) | |
2401 | return FALSE; | |
2402 | ||
2403 | if (regexec(&view->regex, text, 1, &pmatch, 0) == REG_NOMATCH) | |
2404 | return FALSE; | |
2405 | ||
2406 | return TRUE; | |
2407 | } | |
2408 | ||
6b161b31 | 2409 | static struct view_ops pager_ops = { |
6734f6b9 | 2410 | "line", |
6b161b31 JF |
2411 | pager_draw, |
2412 | pager_read, | |
2413 | pager_enter, | |
4af34daa | 2414 | pager_grep, |
6b161b31 JF |
2415 | }; |
2416 | ||
80ce96ea | 2417 | |
ff26aa29 | 2418 | /* |
e733ee54 JF |
2419 | * Tree backend |
2420 | */ | |
2421 | ||
2422 | /* Parse output from git ls-tree: | |
2423 | * | |
2424 | * 100644 blob fb0e31ea6cc679b7379631188190e975f5789c26 Makefile | |
2425 | * 100644 blob 5304ca4260aaddaee6498f9630e7d471b8591ea6 README | |
2426 | * 100644 blob f931e1d229c3e185caad4449bf5b66ed72462657 tig.c | |
2427 | * 100644 blob ed09fe897f3c7c9af90bcf80cae92558ea88ae38 web.conf | |
2428 | */ | |
2429 | ||
2430 | #define SIZEOF_TREE_ATTR \ | |
2431 | STRING_SIZE("100644 blob ed09fe897f3c7c9af90bcf80cae92558ea88ae38\t") | |
2432 | ||
2433 | #define TREE_UP_FORMAT "040000 tree %s\t.." | |
2434 | ||
2435 | static int | |
2436 | tree_compare_entry(enum line_type type1, char *name1, | |
2437 | enum line_type type2, char *name2) | |
2438 | { | |
2439 | if (type1 != type2) { | |
2440 | if (type1 == LINE_TREE_DIR) | |
2441 | return -1; | |
2442 | return 1; | |
2443 | } | |
2444 | ||
2445 | return strcmp(name1, name2); | |
2446 | } | |
2447 | ||
2448 | static bool | |
2449 | tree_read(struct view *view, char *text) | |
2450 | { | |
2451 | size_t textlen = strlen(text); | |
2452 | char buf[SIZEOF_STR]; | |
2453 | unsigned long pos; | |
2454 | enum line_type type; | |
2455 | ||
2456 | if (textlen <= SIZEOF_TREE_ATTR) | |
2457 | return FALSE; | |
2458 | ||
2459 | type = text[STRING_SIZE("100644 ")] == 't' | |
2460 | ? LINE_TREE_DIR : LINE_TREE_FILE; | |
2461 | ||
2462 | /* The first time around ... */ | |
2463 | if (!view->lines) { | |
2464 | /* Add path info line */ | |
2465 | if (snprintf(buf, sizeof(buf), "Directory path /%s", opt_path) < sizeof(buf) && | |
2466 | realloc_lines(view, view->line_size + 1) && | |
2467 | pager_read(view, buf)) | |
2468 | view->line[view->lines - 1].type = LINE_DEFAULT; | |
2469 | else | |
2470 | return FALSE; | |
2471 | ||
2472 | /* Insert "link" to parent directory. */ | |
2473 | if (*opt_path && | |
2474 | snprintf(buf, sizeof(buf), TREE_UP_FORMAT, view->ref) < sizeof(buf) && | |
2475 | realloc_lines(view, view->line_size + 1) && | |
2476 | pager_read(view, buf)) | |
2477 | view->line[view->lines - 1].type = LINE_TREE_DIR; | |
2478 | else if (*opt_path) | |
2479 | return FALSE; | |
2480 | } | |
2481 | ||
2482 | /* Strip the path part ... */ | |
2483 | if (*opt_path) { | |
2484 | size_t pathlen = textlen - SIZEOF_TREE_ATTR; | |
2485 | size_t striplen = strlen(opt_path); | |
2486 | char *path = text + SIZEOF_TREE_ATTR; | |
2487 | ||
2488 | if (pathlen > striplen) | |
2489 | memmove(path, path + striplen, | |
2490 | pathlen - striplen + 1); | |
2491 | } | |
2492 | ||
2493 | /* Skip "Directory ..." and ".." line. */ | |
2494 | for (pos = 1 + !!*opt_path; pos < view->lines; pos++) { | |
2495 | struct line *line = &view->line[pos]; | |
2496 | char *path1 = ((char *) line->data) + SIZEOF_TREE_ATTR; | |
2497 | char *path2 = text + SIZEOF_TREE_ATTR; | |
2498 | int cmp = tree_compare_entry(line->type, path1, type, path2); | |
2499 | ||
2500 | if (cmp <= 0) | |
2501 | continue; | |
2502 | ||
2503 | text = strdup(text); | |
2504 | if (!text) | |
2505 | return FALSE; | |
2506 | ||
2507 | if (view->lines > pos) | |
2508 | memmove(&view->line[pos + 1], &view->line[pos], | |
2509 | (view->lines - pos) * sizeof(*line)); | |
2510 | ||
2511 | line = &view->line[pos]; | |
2512 | line->data = text; | |
2513 | line->type = type; | |
2514 | view->lines++; | |
2515 | return TRUE; | |
2516 | } | |
2517 | ||
2518 | if (!pager_read(view, text)) | |
2519 | return FALSE; | |
2520 | ||
2521 | view->line[view->lines - 1].type = type; | |
2522 | return TRUE; | |
2523 | } | |
2524 | ||
2525 | static bool | |
2526 | tree_enter(struct view *view, struct line *line) | |
2527 | { | |
2528 | enum open_flags flags = OPEN_DEFAULT; | |
2529 | char *data = line->data; | |
2530 | enum request request; | |
2531 | ||
2532 | switch (line->type) { | |
2533 | case LINE_TREE_DIR: | |
2534 | /* Depending on whether it is a subdir or parent (updir?) link | |
2535 | * mangle the path buffer. */ | |
2536 | if (line == &view->line[1] && *opt_path) { | |
2537 | size_t path_len = strlen(opt_path); | |
2538 | char *dirsep = opt_path + path_len - 1; | |
2539 | ||
2540 | while (dirsep > opt_path && dirsep[-1] != '/') | |
2541 | dirsep--; | |
2542 | ||
2543 | dirsep[0] = 0; | |
2544 | ||
2545 | } else { | |
d65ced0d | 2546 | size_t pathlen = strlen(opt_path); |
e733ee54 JF |
2547 | char *basename = data + SIZEOF_TREE_ATTR; |
2548 | ||
2549 | string_format_from(opt_path, &pathlen, "%s/", basename); | |
2550 | } | |
2551 | ||
2552 | /* Trees and subtrees share the same ID, so they are not not | |
2553 | * unique like blobs. */ | |
2554 | flags |= OPEN_RELOAD; | |
2555 | request = REQ_VIEW_TREE; | |
2556 | break; | |
2557 | ||
2558 | case LINE_TREE_FILE: | |
2559 | /* This causes the blob view to become split, and not having it | |
2560 | * in the tree dir case will make the blob view automatically | |
2561 | * disappear when moving to a different directory. */ | |
2562 | flags |= OPEN_SPLIT; | |
2563 | request = REQ_VIEW_BLOB; | |
2564 | break; | |
2565 | ||
2566 | default: | |
2567 | return TRUE; | |
2568 | } | |
2569 | ||
2570 | open_view(view, request, flags); | |
2571 | ||
2572 | if (!VIEW(request)->pipe) | |
2573 | return TRUE; | |
2574 | ||
2575 | /* For tree views insert the path to the parent as the first line. */ | |
2576 | if (request == REQ_VIEW_BLOB) { | |
2577 | /* Mirror what is showed in the title bar. */ | |
2578 | string_ncopy(ref_blob, data + STRING_SIZE("100644 blob "), 40); | |
2579 | string_copy(VIEW(REQ_VIEW_BLOB)->ref, ref_blob); | |
2580 | return TRUE; | |
2581 | } | |
2582 | ||
2583 | return TRUE; | |
2584 | } | |
2585 | ||
2586 | static struct view_ops tree_ops = { | |
2587 | "file", | |
2588 | pager_draw, | |
2589 | tree_read, | |
2590 | tree_enter, | |
2591 | pager_grep, | |
2592 | }; | |
2593 | ||
2594 | static bool | |
2595 | blob_read(struct view *view, char *line) | |
2596 | { | |
2597 | bool state = pager_read(view, line); | |
2598 | ||
2599 | if (state == TRUE) | |
2600 | view->line[view->lines - 1].type = LINE_DEFAULT; | |
2601 | ||
2602 | return state; | |
2603 | } | |
2604 | ||
2605 | static struct view_ops blob_ops = { | |
2606 | "line", | |
2607 | pager_draw, | |
2608 | blob_read, | |
2609 | pager_enter, | |
2610 | pager_grep, | |
2611 | }; | |
2612 | ||
2613 | ||
2614 | /* | |
ff26aa29 JF |
2615 | * Main view backend |
2616 | */ | |
2617 | ||
2618 | struct commit { | |
54efb62b JF |
2619 | char id[41]; /* SHA1 ID. */ |
2620 | char title[75]; /* First line of the commit message. */ | |
2621 | char author[75]; /* Author of the commit. */ | |
2622 | struct tm time; /* Date from the author ident. */ | |
2623 | struct ref **refs; /* Repository references. */ | |
2624 | chtype graph[SIZEOF_REVGRAPH]; /* Ancestry chain graphics. */ | |
2625 | size_t graph_size; /* The width of the graph array. */ | |
ff26aa29 | 2626 | }; |
c34d9c9f | 2627 | |
6b161b31 | 2628 | static bool |
fe7233c3 | 2629 | main_draw(struct view *view, struct line *line, unsigned int lineno) |
22f66b0a | 2630 | { |
2e8488b4 | 2631 | char buf[DATE_COLS + 1]; |
fe7233c3 | 2632 | struct commit *commit = line->data; |
78c70acd | 2633 | enum line_type type; |
6706b2ba | 2634 | int col = 0; |
b76c2afc | 2635 | size_t timelen; |
10e290ee | 2636 | size_t authorlen; |
9989bf60 | 2637 | int trimmed = 1; |
22f66b0a | 2638 | |
4c6fabc2 JF |
2639 | if (!*commit->author) |
2640 | return FALSE; | |
22f66b0a | 2641 | |
6706b2ba JF |
2642 | wmove(view->win, lineno, col); |
2643 | ||
22f66b0a | 2644 | if (view->offset + lineno == view->lineno) { |
03a93dbb | 2645 | string_copy(view->ref, commit->id); |
49f2b43f | 2646 | string_copy(ref_commit, view->ref); |
78c70acd | 2647 | type = LINE_CURSOR; |
6706b2ba JF |
2648 | wattrset(view->win, get_line_attr(type)); |
2649 | wchgat(view->win, -1, 0, type, NULL); | |
2650 | ||
78c70acd | 2651 | } else { |
b76c2afc | 2652 | type = LINE_MAIN_COMMIT; |
6706b2ba | 2653 | wattrset(view->win, get_line_attr(LINE_MAIN_DATE)); |
b76c2afc JF |
2654 | } |
2655 | ||
4c6fabc2 | 2656 | timelen = strftime(buf, sizeof(buf), DATE_FORMAT, &commit->time); |
b76c2afc | 2657 | waddnstr(view->win, buf, timelen); |
4c6fabc2 | 2658 | waddstr(view->win, " "); |
b76c2afc | 2659 | |
6706b2ba JF |
2660 | col += DATE_COLS; |
2661 | wmove(view->win, lineno, col); | |
2662 | if (type != LINE_CURSOR) | |
2663 | wattrset(view->win, get_line_attr(LINE_MAIN_AUTHOR)); | |
b76c2afc | 2664 | |
9989bf60 JF |
2665 | if (opt_utf8) { |
2666 | authorlen = utf8_length(commit->author, AUTHOR_COLS - 2, &col, &trimmed); | |
2667 | } else { | |
2668 | authorlen = strlen(commit->author); | |
2669 | if (authorlen > AUTHOR_COLS - 2) { | |
2670 | authorlen = AUTHOR_COLS - 2; | |
2671 | trimmed = 1; | |
2672 | } | |
2673 | } | |
10e290ee JF |
2674 | |
2675 | if (trimmed) { | |
2676 | waddnstr(view->win, commit->author, authorlen); | |
6706b2ba JF |
2677 | if (type != LINE_CURSOR) |
2678 | wattrset(view->win, get_line_attr(LINE_MAIN_DELIM)); | |
b76c2afc JF |
2679 | waddch(view->win, '~'); |
2680 | } else { | |
2681 | waddstr(view->win, commit->author); | |
22f66b0a JF |
2682 | } |
2683 | ||
10e290ee | 2684 | col += AUTHOR_COLS; |
6706b2ba JF |
2685 | if (type != LINE_CURSOR) |
2686 | wattrset(view->win, A_NORMAL); | |
2687 | ||
54efb62b JF |
2688 | if (opt_rev_graph && commit->graph_size) { |
2689 | size_t i; | |
2690 | ||
2691 | wmove(view->win, lineno, col); | |
2692 | /* Using waddch() instead of waddnstr() ensures that | |
2693 | * they'll be rendered correctly for the cursor line. */ | |
2694 | for (i = 0; i < commit->graph_size; i++) | |
2695 | waddch(view->win, commit->graph[i]); | |
2696 | ||
2697 | col += commit->graph_size + 1; | |
2698 | } | |
2699 | ||
2700 | wmove(view->win, lineno, col); | |
c34d9c9f JF |
2701 | |
2702 | if (commit->refs) { | |
2703 | size_t i = 0; | |
2704 | ||
2705 | do { | |
6706b2ba JF |
2706 | if (type == LINE_CURSOR) |
2707 | ; | |
2708 | else if (commit->refs[i]->tag) | |
c34d9c9f JF |
2709 | wattrset(view->win, get_line_attr(LINE_MAIN_TAG)); |
2710 | else | |
2711 | wattrset(view->win, get_line_attr(LINE_MAIN_REF)); | |
2712 | waddstr(view->win, "["); | |
2713 | waddstr(view->win, commit->refs[i]->name); | |
2714 | waddstr(view->win, "]"); | |
6706b2ba JF |
2715 | if (type != LINE_CURSOR) |
2716 | wattrset(view->win, A_NORMAL); | |
c34d9c9f | 2717 | waddstr(view->win, " "); |
6706b2ba | 2718 | col += strlen(commit->refs[i]->name) + STRING_SIZE("[] "); |
c34d9c9f JF |
2719 | } while (commit->refs[i++]->next); |
2720 | } | |
2721 | ||
6706b2ba JF |
2722 | if (type != LINE_CURSOR) |
2723 | wattrset(view->win, get_line_attr(type)); | |
2724 | ||
2725 | { | |
2726 | int titlelen = strlen(commit->title); | |
2727 | ||
2728 | if (col + titlelen > view->width) | |
2729 | titlelen = view->width - col; | |
2730 | ||
2731 | waddnstr(view->win, commit->title, titlelen); | |
2732 | } | |
22f66b0a JF |
2733 | |
2734 | return TRUE; | |
2735 | } | |
2736 | ||
4c6fabc2 | 2737 | /* Reads git log --pretty=raw output and parses it into the commit struct. */ |
6b161b31 | 2738 | static bool |
701e4f5d | 2739 | main_read(struct view *view, char *line) |
22f66b0a | 2740 | { |
78c70acd | 2741 | enum line_type type = get_line_type(line); |
701e4f5d JF |
2742 | struct commit *commit = view->lines |
2743 | ? view->line[view->lines - 1].data : NULL; | |
22f66b0a | 2744 | |
78c70acd JF |
2745 | switch (type) { |
2746 | case LINE_COMMIT: | |
22f66b0a JF |
2747 | commit = calloc(1, sizeof(struct commit)); |
2748 | if (!commit) | |
2749 | return FALSE; | |
2750 | ||
4c6fabc2 | 2751 | line += STRING_SIZE("commit "); |
b76c2afc | 2752 | |
fe7233c3 | 2753 | view->line[view->lines++].data = commit; |
82e78006 | 2754 | string_copy(commit->id, line); |
c34d9c9f | 2755 | commit->refs = get_refs(commit->id); |
54efb62b | 2756 | commit->graph[commit->graph_size++] = ACS_LTEE; |
78c70acd | 2757 | break; |
22f66b0a | 2758 | |
8855ada4 | 2759 | case LINE_AUTHOR: |
b76c2afc | 2760 | { |
4c6fabc2 | 2761 | char *ident = line + STRING_SIZE("author "); |
b76c2afc JF |
2762 | char *end = strchr(ident, '<'); |
2763 | ||
701e4f5d | 2764 | if (!commit) |
fe7233c3 JF |
2765 | break; |
2766 | ||
b76c2afc | 2767 | if (end) { |
cbbf2d1b JF |
2768 | char *email = end + 1; |
2769 | ||
b76c2afc | 2770 | for (; end > ident && isspace(end[-1]); end--) ; |
cbbf2d1b JF |
2771 | |
2772 | if (end == ident && *email) { | |
2773 | ident = email; | |
2774 | end = strchr(ident, '>'); | |
2775 | for (; end > ident && isspace(end[-1]); end--) ; | |
2776 | } | |
b76c2afc JF |
2777 | *end = 0; |
2778 | } | |
2779 | ||
cbbf2d1b JF |
2780 | /* End is NULL or ident meaning there's no author. */ |
2781 | if (end <= ident) | |
2782 | ident = "Unknown"; | |
2783 | ||
82e78006 | 2784 | string_copy(commit->author, ident); |
b76c2afc | 2785 | |
4c6fabc2 | 2786 | /* Parse epoch and timezone */ |
b76c2afc JF |
2787 | if (end) { |
2788 | char *secs = strchr(end + 1, '>'); | |
2789 | char *zone; | |
2790 | time_t time; | |
2791 | ||
2792 | if (!secs || secs[1] != ' ') | |
2793 | break; | |
2794 | ||
2795 | secs += 2; | |
2796 | time = (time_t) atol(secs); | |
2797 | zone = strchr(secs, ' '); | |
4c6fabc2 | 2798 | if (zone && strlen(zone) == STRING_SIZE(" +0700")) { |
b76c2afc JF |
2799 | long tz; |
2800 | ||
2801 | zone++; | |
2802 | tz = ('0' - zone[1]) * 60 * 60 * 10; | |
2803 | tz += ('0' - zone[2]) * 60 * 60; | |
2804 | tz += ('0' - zone[3]) * 60; | |
2805 | tz += ('0' - zone[4]) * 60; | |
2806 | ||
2807 | if (zone[0] == '-') | |
2808 | tz = -tz; | |
2809 | ||
2810 | time -= tz; | |
2811 | } | |
2812 | gmtime_r(&time, &commit->time); | |
2813 | } | |
2814 | break; | |
2815 | } | |
78c70acd | 2816 | default: |
701e4f5d | 2817 | if (!commit) |
2e8488b4 JF |
2818 | break; |
2819 | ||
2820 | /* Fill in the commit title if it has not already been set. */ | |
2e8488b4 JF |
2821 | if (commit->title[0]) |
2822 | break; | |
2823 | ||
2824 | /* Require titles to start with a non-space character at the | |
2825 | * offset used by git log. */ | |
eb98559e JF |
2826 | /* FIXME: More gracefull handling of titles; append "..." to |
2827 | * shortened titles, etc. */ | |
2e8488b4 | 2828 | if (strncmp(line, " ", 4) || |
eb98559e | 2829 | isspace(line[4])) |
82e78006 JF |
2830 | break; |
2831 | ||
2832 | string_copy(commit->title, line + 4); | |
22f66b0a JF |
2833 | } |
2834 | ||
2835 | return TRUE; | |
2836 | } | |
2837 | ||
6b161b31 | 2838 | static bool |
fe7233c3 | 2839 | main_enter(struct view *view, struct line *line) |
b801d8b2 | 2840 | { |
b3a54cba JF |
2841 | enum open_flags flags = display[0] == view ? OPEN_SPLIT : OPEN_DEFAULT; |
2842 | ||
2843 | open_view(view, REQ_VIEW_DIFF, flags); | |
6b161b31 | 2844 | return TRUE; |
b801d8b2 JF |
2845 | } |
2846 | ||
4af34daa JF |
2847 | static bool |
2848 | main_grep(struct view *view, struct line *line) | |
2849 | { | |
2850 | struct commit *commit = line->data; | |
2851 | enum { S_TITLE, S_AUTHOR, S_DATE, S_END } state; | |
2852 | char buf[DATE_COLS + 1]; | |
2853 | regmatch_t pmatch; | |
2854 | ||
2855 | for (state = S_TITLE; state < S_END; state++) { | |
2856 | char *text; | |
2857 | ||
2858 | switch (state) { | |
2859 | case S_TITLE: text = commit->title; break; | |
2860 | case S_AUTHOR: text = commit->author; break; | |
2861 | case S_DATE: | |
2862 | if (!strftime(buf, sizeof(buf), DATE_FORMAT, &commit->time)) | |
2863 | continue; | |
2864 | text = buf; | |
2865 | break; | |
2866 | ||
2867 | default: | |
2868 | return FALSE; | |
2869 | } | |
2870 | ||
2871 | if (regexec(&view->regex, text, 1, &pmatch, 0) != REG_NOMATCH) | |
2872 | return TRUE; | |
2873 | } | |
2874 | ||
2875 | return FALSE; | |
2876 | } | |
2877 | ||
6b161b31 | 2878 | static struct view_ops main_ops = { |
6734f6b9 | 2879 | "commit", |
6b161b31 JF |
2880 | main_draw, |
2881 | main_read, | |
2882 | main_enter, | |
4af34daa | 2883 | main_grep, |
6b161b31 | 2884 | }; |
2e8488b4 | 2885 | |
c34d9c9f | 2886 | |
6b161b31 | 2887 | /* |
10e290ee JF |
2888 | * Unicode / UTF-8 handling |
2889 | * | |
2890 | * NOTE: Much of the following code for dealing with unicode is derived from | |
2891 | * ELinks' UTF-8 code developed by Scrool <scroolik@gmail.com>. Origin file is | |
2892 | * src/intl/charset.c from the utf8 branch commit elinks-0.11.0-g31f2c28. | |
2893 | */ | |
2894 | ||
2895 | /* I've (over)annotated a lot of code snippets because I am not entirely | |
2896 | * confident that the approach taken by this small UTF-8 interface is correct. | |
2897 | * --jonas */ | |
2898 | ||
2899 | static inline int | |
2900 | unicode_width(unsigned long c) | |
2901 | { | |
2902 | if (c >= 0x1100 && | |
2903 | (c <= 0x115f /* Hangul Jamo */ | |
2904 | || c == 0x2329 | |
2905 | || c == 0x232a | |
2906 | || (c >= 0x2e80 && c <= 0xa4cf && c != 0x303f) | |
f97f4012 | 2907 | /* CJK ... Yi */ |
10e290ee JF |
2908 | || (c >= 0xac00 && c <= 0xd7a3) /* Hangul Syllables */ |
2909 | || (c >= 0xf900 && c <= 0xfaff) /* CJK Compatibility Ideographs */ | |
2910 | || (c >= 0xfe30 && c <= 0xfe6f) /* CJK Compatibility Forms */ | |
2911 | || (c >= 0xff00 && c <= 0xff60) /* Fullwidth Forms */ | |
2912 | || (c >= 0xffe0 && c <= 0xffe6) | |
2913 | || (c >= 0x20000 && c <= 0x2fffd) | |
2914 | || (c >= 0x30000 && c <= 0x3fffd))) | |
2915 | return 2; | |
2916 | ||
2917 | return 1; | |
2918 | } | |
2919 | ||
2920 | /* Number of bytes used for encoding a UTF-8 character indexed by first byte. | |
2921 | * Illegal bytes are set one. */ | |
2922 | static const unsigned char utf8_bytes[256] = { | |
2923 | 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, | |
2924 | 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, | |
2925 | 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, | |
2926 | 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, | |
2927 | 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, | |
2928 | 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, | |
2929 | 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, | |
2930 | 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, | |
2931 | }; | |
2932 | ||
2933 | /* Decode UTF-8 multi-byte representation into a unicode character. */ | |
2934 | static inline unsigned long | |
2935 | utf8_to_unicode(const char *string, size_t length) | |
2936 | { | |
2937 | unsigned long unicode; | |
2938 | ||
2939 | switch (length) { | |
2940 | case 1: | |
2941 | unicode = string[0]; | |
2942 | break; | |
2943 | case 2: | |
2944 | unicode = (string[0] & 0x1f) << 6; | |
2945 | unicode += (string[1] & 0x3f); | |
2946 | break; | |
2947 | case 3: | |
2948 | unicode = (string[0] & 0x0f) << 12; | |
2949 | unicode += ((string[1] & 0x3f) << 6); | |
2950 | unicode += (string[2] & 0x3f); | |
2951 | break; | |
2952 | case 4: | |
2953 | unicode = (string[0] & 0x0f) << 18; | |
2954 | unicode += ((string[1] & 0x3f) << 12); | |
2955 | unicode += ((string[2] & 0x3f) << 6); | |
2956 | unicode += (string[3] & 0x3f); | |
2957 | break; | |
2958 | case 5: | |
2959 | unicode = (string[0] & 0x0f) << 24; | |
2960 | unicode += ((string[1] & 0x3f) << 18); | |
2961 | unicode += ((string[2] & 0x3f) << 12); | |
2962 | unicode += ((string[3] & 0x3f) << 6); | |
2963 | unicode += (string[4] & 0x3f); | |
2964 | break; | |
68b6e0eb | 2965 | case 6: |
10e290ee JF |
2966 | unicode = (string[0] & 0x01) << 30; |
2967 | unicode += ((string[1] & 0x3f) << 24); | |
2968 | unicode += ((string[2] & 0x3f) << 18); | |
2969 | unicode += ((string[3] & 0x3f) << 12); | |
2970 | unicode += ((string[4] & 0x3f) << 6); | |
2971 | unicode += (string[5] & 0x3f); | |
2972 | break; | |
2973 | default: | |
2974 | die("Invalid unicode length"); | |
2975 | } | |
2976 | ||
2977 | /* Invalid characters could return the special 0xfffd value but NUL | |
2978 | * should be just as good. */ | |
2979 | return unicode > 0xffff ? 0 : unicode; | |
2980 | } | |
2981 | ||
2982 | /* Calculates how much of string can be shown within the given maximum width | |
2983 | * and sets trimmed parameter to non-zero value if all of string could not be | |
2984 | * shown. | |
2985 | * | |
2986 | * Additionally, adds to coloffset how many many columns to move to align with | |
2987 | * the expected position. Takes into account how multi-byte and double-width | |
2988 | * characters will effect the cursor position. | |
2989 | * | |
2990 | * Returns the number of bytes to output from string to satisfy max_width. */ | |
2991 | static size_t | |
2992 | utf8_length(const char *string, size_t max_width, int *coloffset, int *trimmed) | |
2993 | { | |
2994 | const char *start = string; | |
2995 | const char *end = strchr(string, '\0'); | |
2996 | size_t mbwidth = 0; | |
2997 | size_t width = 0; | |
2998 | ||
2999 | *trimmed = 0; | |
3000 | ||
3001 | while (string < end) { | |
3002 | int c = *(unsigned char *) string; | |
3003 | unsigned char bytes = utf8_bytes[c]; | |
3004 | size_t ucwidth; | |
3005 | unsigned long unicode; | |
3006 | ||
3007 | if (string + bytes > end) | |
3008 | break; | |
3009 | ||
3010 | /* Change representation to figure out whether | |
3011 | * it is a single- or double-width character. */ | |
3012 | ||
3013 | unicode = utf8_to_unicode(string, bytes); | |
3014 | /* FIXME: Graceful handling of invalid unicode character. */ | |
3015 | if (!unicode) | |
3016 | break; | |
3017 | ||
3018 | ucwidth = unicode_width(unicode); | |
3019 | width += ucwidth; | |
3020 | if (width > max_width) { | |
3021 | *trimmed = 1; | |
3022 | break; | |
3023 | } | |
3024 | ||
3025 | /* The column offset collects the differences between the | |
3026 | * number of bytes encoding a character and the number of | |
3027 | * columns will be used for rendering said character. | |
3028 | * | |
3029 | * So if some character A is encoded in 2 bytes, but will be | |
3030 | * represented on the screen using only 1 byte this will and up | |
3031 | * adding 1 to the multi-byte column offset. | |
3032 | * | |
3033 | * Assumes that no double-width character can be encoding in | |
3034 | * less than two bytes. */ | |
3035 | if (bytes > ucwidth) | |
3036 | mbwidth += bytes - ucwidth; | |
3037 | ||
3038 | string += bytes; | |
3039 | } | |
3040 | ||
3041 | *coloffset += mbwidth; | |
3042 | ||
3043 | return string - start; | |
3044 | } | |
3045 | ||
3046 | ||
3047 | /* | |
6b161b31 JF |
3048 | * Status management |
3049 | */ | |
2e8488b4 | 3050 | |
8855ada4 | 3051 | /* Whether or not the curses interface has been initialized. */ |
68b6e0eb | 3052 | static bool cursed = FALSE; |
8855ada4 | 3053 | |
6b161b31 JF |
3054 | /* The status window is used for polling keystrokes. */ |
3055 | static WINDOW *status_win; | |
4a2909a7 | 3056 | |
2e8488b4 | 3057 | /* Update status and title window. */ |
4a2909a7 JF |
3058 | static void |
3059 | report(const char *msg, ...) | |
3060 | { | |
6706b2ba JF |
3061 | static bool empty = TRUE; |
3062 | struct view *view = display[current_view]; | |
b76c2afc | 3063 | |
6706b2ba JF |
3064 | if (!empty || *msg) { |
3065 | va_list args; | |
4a2909a7 | 3066 | |
6706b2ba | 3067 | va_start(args, msg); |
4b76734f | 3068 | |
6706b2ba JF |
3069 | werase(status_win); |
3070 | wmove(status_win, 0, 0); | |
3071 | if (*msg) { | |
3072 | vwprintw(status_win, msg, args); | |
3073 | empty = FALSE; | |
3074 | } else { | |
3075 | empty = TRUE; | |
3076 | } | |
3077 | wrefresh(status_win); | |
b801d8b2 | 3078 | |
6706b2ba JF |
3079 | va_end(args); |
3080 | } | |
3081 | ||
3082 | update_view_title(view); | |
85af6284 | 3083 | update_display_cursor(); |
b801d8b2 JF |
3084 | } |
3085 | ||
6b161b31 JF |
3086 | /* Controls when nodelay should be in effect when polling user input. */ |
3087 | static void | |
1ba2ae4b | 3088 | set_nonblocking_input(bool loading) |
b801d8b2 | 3089 | { |
6706b2ba | 3090 | static unsigned int loading_views; |
b801d8b2 | 3091 | |
6706b2ba JF |
3092 | if ((loading == FALSE && loading_views-- == 1) || |
3093 | (loading == TRUE && loading_views++ == 0)) | |
1ba2ae4b | 3094 | nodelay(status_win, loading); |
6b161b31 JF |
3095 | } |
3096 | ||
3097 | static void | |
3098 | init_display(void) | |
3099 | { | |
3100 | int x, y; | |
b76c2afc | 3101 | |
6908bdbd JF |
3102 | /* Initialize the curses library */ |
3103 | if (isatty(STDIN_FILENO)) { | |
8855ada4 | 3104 | cursed = !!initscr(); |
6908bdbd JF |
3105 | } else { |
3106 | /* Leave stdin and stdout alone when acting as a pager. */ | |
3107 | FILE *io = fopen("/dev/tty", "r+"); | |
3108 | ||
e6f60674 JF |
3109 | if (!io) |
3110 | die("Failed to open /dev/tty"); | |
8855ada4 | 3111 | cursed = !!newterm(NULL, io, io); |
6908bdbd JF |
3112 | } |
3113 | ||
8855ada4 JF |
3114 | if (!cursed) |
3115 | die("Failed to initialize curses"); | |
3116 | ||
2e8488b4 JF |
3117 | nonl(); /* Tell curses not to do NL->CR/NL on output */ |
3118 | cbreak(); /* Take input chars one at a time, no wait for \n */ | |
3119 | noecho(); /* Don't echo input */ | |
b801d8b2 | 3120 | leaveok(stdscr, TRUE); |
b801d8b2 JF |
3121 | |
3122 | if (has_colors()) | |
3123 | init_colors(); | |
3124 | ||
3125 | getmaxyx(stdscr, y, x); | |
3126 | status_win = newwin(1, 0, y - 1, 0); | |
3127 | if (!status_win) | |
3128 | die("Failed to create status window"); | |
3129 | ||
3130 | /* Enable keyboard mapping */ | |
3131 | keypad(status_win, TRUE); | |
78c70acd | 3132 | wbkgdset(status_win, get_line_attr(LINE_STATUS)); |
6b161b31 JF |
3133 | } |
3134 | ||
4af34daa | 3135 | static char * |
cb9e48c1 | 3136 | read_prompt(const char *prompt) |
ef5404a4 JF |
3137 | { |
3138 | enum { READING, STOP, CANCEL } status = READING; | |
9e21ce5c | 3139 | static char buf[sizeof(opt_cmd) - STRING_SIZE("git \0")]; |
ef5404a4 JF |
3140 | int pos = 0; |
3141 | ||
3142 | while (status == READING) { | |
3143 | struct view *view; | |
3144 | int i, key; | |
3145 | ||
699ae55b | 3146 | foreach_view (view, i) |
ef5404a4 JF |
3147 | update_view(view); |
3148 | ||
cb9e48c1 | 3149 | report("%s%.*s", prompt, pos, buf); |
ef5404a4 JF |
3150 | /* Refresh, accept single keystroke of input */ |
3151 | key = wgetch(status_win); | |
3152 | switch (key) { | |
3153 | case KEY_RETURN: | |
3154 | case KEY_ENTER: | |
3155 | case '\n': | |
3156 | status = pos ? STOP : CANCEL; | |
3157 | break; | |
3158 | ||
3159 | case KEY_BACKSPACE: | |
3160 | if (pos > 0) | |
3161 | pos--; | |
3162 | else | |
3163 | status = CANCEL; | |
3164 | break; | |
3165 | ||
3166 | case KEY_ESC: | |
3167 | status = CANCEL; | |
3168 | break; | |
3169 | ||
3170 | case ERR: | |
3171 | break; | |
3172 | ||
3173 | default: | |
3174 | if (pos >= sizeof(buf)) { | |
3175 | report("Input string too long"); | |
9e21ce5c | 3176 | return NULL; |
ef5404a4 JF |
3177 | } |
3178 | ||
3179 | if (isprint(key)) | |
3180 | buf[pos++] = (char) key; | |
3181 | } | |
3182 | } | |
3183 | ||
3184 | if (status == CANCEL) { | |
3185 | /* Clear the status window */ | |
3186 | report(""); | |
9e21ce5c | 3187 | return NULL; |
ef5404a4 JF |
3188 | } |
3189 | ||
3190 | buf[pos++] = 0; | |
ef5404a4 | 3191 | |
9e21ce5c | 3192 | return buf; |
ef5404a4 | 3193 | } |
c34d9c9f JF |
3194 | |
3195 | /* | |
3196 | * Repository references | |
3197 | */ | |
3198 | ||
3199 | static struct ref *refs; | |
3a91b75e | 3200 | static size_t refs_size; |
c34d9c9f | 3201 | |
1307df1a JF |
3202 | /* Id <-> ref store */ |
3203 | static struct ref ***id_refs; | |
3204 | static size_t id_refs_size; | |
3205 | ||
c34d9c9f JF |
3206 | static struct ref ** |
3207 | get_refs(char *id) | |
3208 | { | |
1307df1a JF |
3209 | struct ref ***tmp_id_refs; |
3210 | struct ref **ref_list = NULL; | |
3211 | size_t ref_list_size = 0; | |
c34d9c9f JF |
3212 | size_t i; |
3213 | ||
1307df1a JF |
3214 | for (i = 0; i < id_refs_size; i++) |
3215 | if (!strcmp(id, id_refs[i][0]->id)) | |
3216 | return id_refs[i]; | |
3217 | ||
3218 | tmp_id_refs = realloc(id_refs, (id_refs_size + 1) * sizeof(*id_refs)); | |
3219 | if (!tmp_id_refs) | |
3220 | return NULL; | |
3221 | ||
3222 | id_refs = tmp_id_refs; | |
3223 | ||
c34d9c9f JF |
3224 | for (i = 0; i < refs_size; i++) { |
3225 | struct ref **tmp; | |
3226 | ||
3227 | if (strcmp(id, refs[i].id)) | |
3228 | continue; | |
3229 | ||
1307df1a | 3230 | tmp = realloc(ref_list, (ref_list_size + 1) * sizeof(*ref_list)); |
c34d9c9f | 3231 | if (!tmp) { |
1307df1a JF |
3232 | if (ref_list) |
3233 | free(ref_list); | |
c34d9c9f JF |
3234 | return NULL; |
3235 | } | |
3236 | ||
1307df1a JF |
3237 | ref_list = tmp; |
3238 | if (ref_list_size > 0) | |
3239 | ref_list[ref_list_size - 1]->next = 1; | |
3240 | ref_list[ref_list_size] = &refs[i]; | |
3af8774e JF |
3241 | |
3242 | /* XXX: The properties of the commit chains ensures that we can | |
3243 | * safely modify the shared ref. The repo references will | |
3244 | * always be similar for the same id. */ | |
1307df1a JF |
3245 | ref_list[ref_list_size]->next = 0; |
3246 | ref_list_size++; | |
c34d9c9f JF |
3247 | } |
3248 | ||
1307df1a JF |
3249 | if (ref_list) |
3250 | id_refs[id_refs_size++] = ref_list; | |
3251 | ||
3252 | return ref_list; | |
c34d9c9f JF |
3253 | } |
3254 | ||
3255 | static int | |
d0cea5f9 | 3256 | read_ref(char *id, int idlen, char *name, int namelen) |
c34d9c9f | 3257 | { |
d0cea5f9 JF |
3258 | struct ref *ref; |
3259 | bool tag = FALSE; | |
d0cea5f9 | 3260 | |
8b0297ae JF |
3261 | if (!strncmp(name, "refs/tags/", STRING_SIZE("refs/tags/"))) { |
3262 | /* Commits referenced by tags has "^{}" appended. */ | |
3263 | if (name[namelen - 1] != '}') | |
3264 | return OK; | |
3265 | ||
d0cea5f9 JF |
3266 | while (namelen > 0 && name[namelen] != '^') |
3267 | namelen--; | |
c34d9c9f | 3268 | |
d0cea5f9 | 3269 | tag = TRUE; |
8b0297ae JF |
3270 | namelen -= STRING_SIZE("refs/tags/"); |
3271 | name += STRING_SIZE("refs/tags/"); | |
c34d9c9f | 3272 | |
d0cea5f9 | 3273 | } else if (!strncmp(name, "refs/heads/", STRING_SIZE("refs/heads/"))) { |
8b0297ae JF |
3274 | namelen -= STRING_SIZE("refs/heads/"); |
3275 | name += STRING_SIZE("refs/heads/"); | |
c34d9c9f | 3276 | |
d0cea5f9 JF |
3277 | } else if (!strcmp(name, "HEAD")) { |
3278 | return OK; | |
3279 | } | |
6706b2ba | 3280 | |
d0cea5f9 JF |
3281 | refs = realloc(refs, sizeof(*refs) * (refs_size + 1)); |
3282 | if (!refs) | |
3283 | return ERR; | |
c34d9c9f | 3284 | |
d0cea5f9 | 3285 | ref = &refs[refs_size++]; |
8b0297ae | 3286 | ref->name = malloc(namelen + 1); |
d0cea5f9 JF |
3287 | if (!ref->name) |
3288 | return ERR; | |
3af8774e | 3289 | |
8b0297ae JF |
3290 | strncpy(ref->name, name, namelen); |
3291 | ref->name[namelen] = 0; | |
d0cea5f9 JF |
3292 | ref->tag = tag; |
3293 | string_copy(ref->id, id); | |
3af8774e | 3294 | |
d0cea5f9 JF |
3295 | return OK; |
3296 | } | |
c34d9c9f | 3297 | |
d0cea5f9 JF |
3298 | static int |
3299 | load_refs(void) | |
3300 | { | |
3301 | const char *cmd_env = getenv("TIG_LS_REMOTE"); | |
3302 | const char *cmd = cmd_env && *cmd_env ? cmd_env : TIG_LS_REMOTE; | |
c34d9c9f | 3303 | |
4a63c884 | 3304 | return read_properties(popen(cmd, "r"), "\t", read_ref); |
d0cea5f9 | 3305 | } |
c34d9c9f | 3306 | |
d0cea5f9 | 3307 | static int |
14c778a6 | 3308 | read_repo_config_option(char *name, int namelen, char *value, int valuelen) |
d0cea5f9 | 3309 | { |
22913179 | 3310 | if (!strcmp(name, "i18n.commitencoding")) |
d0cea5f9 | 3311 | string_copy(opt_encoding, value); |
c34d9c9f | 3312 | |
c34d9c9f JF |
3313 | return OK; |
3314 | } | |
3315 | ||
4670cf89 | 3316 | static int |
14c778a6 | 3317 | load_repo_config(void) |
4670cf89 | 3318 | { |
66749723 | 3319 | return read_properties(popen("git repo-config --list", "r"), |
14c778a6 | 3320 | "=", read_repo_config_option); |
d0cea5f9 JF |
3321 | } |
3322 | ||
3323 | static int | |
4a63c884 | 3324 | read_properties(FILE *pipe, const char *separators, |
d0cea5f9 JF |
3325 | int (*read_property)(char *, int, char *, int)) |
3326 | { | |
4670cf89 JF |
3327 | char buffer[BUFSIZ]; |
3328 | char *name; | |
d0cea5f9 | 3329 | int state = OK; |
4670cf89 JF |
3330 | |
3331 | if (!pipe) | |
3332 | return ERR; | |
3333 | ||
d0cea5f9 | 3334 | while (state == OK && (name = fgets(buffer, sizeof(buffer), pipe))) { |
4a63c884 JF |
3335 | char *value; |
3336 | size_t namelen; | |
3337 | size_t valuelen; | |
4670cf89 | 3338 | |
4a63c884 JF |
3339 | name = chomp_string(name); |
3340 | namelen = strcspn(name, separators); | |
3341 | ||
3342 | if (name[namelen]) { | |
3343 | name[namelen] = 0; | |
3344 | value = chomp_string(name + namelen + 1); | |
d0cea5f9 | 3345 | valuelen = strlen(value); |
4670cf89 | 3346 | |
d0cea5f9 | 3347 | } else { |
d0cea5f9 JF |
3348 | value = ""; |
3349 | valuelen = 0; | |
4670cf89 | 3350 | } |
d0cea5f9 | 3351 | |
3c3801c2 | 3352 | state = read_property(name, namelen, value, valuelen); |
4670cf89 JF |
3353 | } |
3354 | ||
d0cea5f9 JF |
3355 | if (state != ERR && ferror(pipe)) |
3356 | state = ERR; | |
4670cf89 JF |
3357 | |
3358 | pclose(pipe); | |
3359 | ||
d0cea5f9 | 3360 | return state; |
4670cf89 JF |
3361 | } |
3362 | ||
d0cea5f9 | 3363 | |
6b161b31 JF |
3364 | /* |
3365 | * Main | |
3366 | */ | |
3367 | ||
b5c9e67f | 3368 | static void __NORETURN |
6b161b31 JF |
3369 | quit(int sig) |
3370 | { | |
8855ada4 JF |
3371 | /* XXX: Restore tty modes and let the OS cleanup the rest! */ |
3372 | if (cursed) | |
3373 | endwin(); | |
6b161b31 JF |
3374 | exit(0); |
3375 | } | |
3376 | ||
c6704a4e JF |
3377 | static void __NORETURN |
3378 | die(const char *err, ...) | |
6b161b31 JF |
3379 | { |
3380 | va_list args; | |
3381 | ||
3382 | endwin(); | |
3383 | ||
3384 | va_start(args, err); | |
3385 | fputs("tig: ", stderr); | |
3386 | vfprintf(stderr, err, args); | |
3387 | fputs("\n", stderr); | |
3388 | va_end(args); | |
3389 | ||
3390 | exit(1); | |
3391 | } | |
3392 | ||
3393 | int | |
3394 | main(int argc, char *argv[]) | |
3395 | { | |
1ba2ae4b | 3396 | struct view *view; |
6b161b31 | 3397 | enum request request; |
1ba2ae4b | 3398 | size_t i; |
6b161b31 JF |
3399 | |
3400 | signal(SIGINT, quit); | |
3401 | ||
6b68fd24 JF |
3402 | if (setlocale(LC_ALL, "")) { |
3403 | string_copy(opt_codeset, nl_langinfo(CODESET)); | |
3404 | } | |
3405 | ||
660e09ad JF |
3406 | if (load_options() == ERR) |
3407 | die("Failed to load user config."); | |
3408 | ||
3409 | /* Load the repo config file so options can be overwritten from | |
afdc35b3 | 3410 | * the command line. */ |
14c778a6 | 3411 | if (load_repo_config() == ERR) |
afdc35b3 JF |
3412 | die("Failed to load repo config."); |
3413 | ||
8855ada4 | 3414 | if (!parse_options(argc, argv)) |
6b161b31 JF |
3415 | return 0; |
3416 | ||
6b68fd24 JF |
3417 | if (*opt_codeset && strcmp(opt_codeset, opt_encoding)) { |
3418 | opt_iconv = iconv_open(opt_codeset, opt_encoding); | |
3419 | if (opt_iconv == (iconv_t) -1) | |
3420 | die("Failed to initialize character set conversion"); | |
3421 | } | |
3422 | ||
c34d9c9f JF |
3423 | if (load_refs() == ERR) |
3424 | die("Failed to load refs."); | |
3425 | ||
7bb55251 JF |
3426 | /* Require a git repository unless when running in pager mode. */ |
3427 | if (refs_size == 0 && opt_request != REQ_VIEW_PAGER) | |
3428 | die("Not a git repository"); | |
3429 | ||
1ba2ae4b JF |
3430 | for (i = 0; i < ARRAY_SIZE(views) && (view = &views[i]); i++) |
3431 | view->cmd_env = getenv(view->cmd_env); | |
3432 | ||
6b161b31 JF |
3433 | request = opt_request; |
3434 | ||
3435 | init_display(); | |
b801d8b2 JF |
3436 | |
3437 | while (view_driver(display[current_view], request)) { | |
6b161b31 | 3438 | int key; |
b801d8b2 JF |
3439 | int i; |
3440 | ||
699ae55b | 3441 | foreach_view (view, i) |
6b161b31 | 3442 | update_view(view); |
b801d8b2 JF |
3443 | |
3444 | /* Refresh, accept single keystroke of input */ | |
6b161b31 | 3445 | key = wgetch(status_win); |
04e2b7b2 JF |
3446 | |
3447 | request = get_keybinding(display[current_view]->keymap, key); | |
03a93dbb | 3448 | |
6706b2ba | 3449 | /* Some low-level request handling. This keeps access to |
fac7db6c JF |
3450 | * status_win restricted. */ |
3451 | switch (request) { | |
3452 | case REQ_PROMPT: | |
9e21ce5c JF |
3453 | { |
3454 | char *cmd = read_prompt(":"); | |
3455 | ||
3456 | if (cmd && string_format(opt_cmd, "git %s", cmd)) { | |
3457 | if (strncmp(cmd, "show", 4) && isspace(cmd[4])) { | |
3458 | opt_request = REQ_VIEW_DIFF; | |
3459 | } else { | |
3460 | opt_request = REQ_VIEW_PAGER; | |
3461 | } | |
3462 | break; | |
3463 | } | |
fac7db6c | 3464 | |
1d754561 | 3465 | request = REQ_NONE; |
9e21ce5c JF |
3466 | break; |
3467 | } | |
4af34daa JF |
3468 | case REQ_SEARCH: |
3469 | case REQ_SEARCH_BACK: | |
3470 | { | |
3471 | const char *prompt = request == REQ_SEARCH | |
3472 | ? "/" : "?"; | |
3473 | char *search = read_prompt(prompt); | |
3474 | ||
3475 | if (search) | |
3476 | string_copy(opt_search, search); | |
3477 | else | |
3478 | request = REQ_NONE; | |
3479 | break; | |
3480 | } | |
fac7db6c JF |
3481 | case REQ_SCREEN_RESIZE: |
3482 | { | |
3483 | int height, width; | |
3484 | ||
3485 | getmaxyx(stdscr, height, width); | |
3486 | ||
3487 | /* Resize the status view and let the view driver take | |
3488 | * care of resizing the displayed views. */ | |
3489 | wresize(status_win, 1, width); | |
3490 | mvwin(status_win, height - 1, 0); | |
3491 | wrefresh(status_win); | |
3492 | break; | |
3493 | } | |
3494 | default: | |
3495 | break; | |
03a93dbb | 3496 | } |
b801d8b2 JF |
3497 | } |
3498 | ||
3499 | quit(0); | |
3500 | ||
3501 | return 0; | |
3502 | } |