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 |
7e02cd1a | 15 | #define VERSION "tig-0.6" |
b76c2afc JF |
16 | #endif |
17 | ||
8855ada4 JF |
18 | #ifndef DEBUG |
19 | #define NDEBUG | |
20 | #endif | |
21 | ||
22f66b0a | 22 | #include <assert.h> |
4c6fabc2 | 23 | #include <errno.h> |
22f66b0a JF |
24 | #include <ctype.h> |
25 | #include <signal.h> | |
b801d8b2 | 26 | #include <stdarg.h> |
b801d8b2 | 27 | #include <stdio.h> |
22f66b0a | 28 | #include <stdlib.h> |
b801d8b2 | 29 | #include <string.h> |
6908bdbd | 30 | #include <unistd.h> |
b76c2afc | 31 | #include <time.h> |
b801d8b2 | 32 | |
4af34daa JF |
33 | #include <sys/types.h> |
34 | #include <regex.h> | |
35 | ||
6b68fd24 JF |
36 | #include <locale.h> |
37 | #include <langinfo.h> | |
38 | #include <iconv.h> | |
39 | ||
b801d8b2 | 40 | #include <curses.h> |
b801d8b2 | 41 | |
e2da526d JF |
42 | #if __GNUC__ >= 3 |
43 | #define __NORETURN __attribute__((__noreturn__)) | |
44 | #else | |
45 | #define __NORETURN | |
46 | #endif | |
47 | ||
48 | static void __NORETURN die(const char *err, ...); | |
b801d8b2 | 49 | static void report(const char *msg, ...); |
4a63c884 | 50 | static int read_properties(FILE *pipe, const char *separators, int (*read)(char *, int, char *, int)); |
1ba2ae4b | 51 | static void set_nonblocking_input(bool loading); |
10e290ee | 52 | static size_t utf8_length(const char *string, size_t max_width, int *coloffset, int *trimmed); |
6b161b31 JF |
53 | |
54 | #define ABS(x) ((x) >= 0 ? (x) : -(x)) | |
55 | #define MIN(x, y) ((x) < (y) ? (x) : (y)) | |
56 | ||
57 | #define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0])) | |
58 | #define STRING_SIZE(x) (sizeof(x) - 1) | |
b76c2afc | 59 | |
17482b11 | 60 | #define SIZEOF_STR 1024 /* Default string size. */ |
2e8488b4 | 61 | #define SIZEOF_REF 256 /* Size of symbolic or SHA1 ID. */ |
10446330 | 62 | #define SIZEOF_REV 41 /* Holds a SHA-1 and an ending NUL */ |
c8d60a25 JF |
63 | |
64 | /* Revision graph */ | |
65 | ||
66 | #define REVGRAPH_INIT 'I' | |
67 | #define REVGRAPH_MERGE 'M' | |
68 | #define REVGRAPH_BRANCH '+' | |
69 | #define REVGRAPH_COMMIT '*' | |
70 | #define REVGRAPH_LINE '|' | |
71 | ||
54efb62b | 72 | #define SIZEOF_REVGRAPH 19 /* Size of revision ancestry graphics. */ |
b801d8b2 | 73 | |
82e78006 JF |
74 | /* This color name can be used to refer to the default term colors. */ |
75 | #define COLOR_DEFAULT (-1) | |
78c70acd | 76 | |
6b68fd24 JF |
77 | #define ICONV_NONE ((iconv_t) -1) |
78 | ||
82e78006 | 79 | /* The format and size of the date column in the main view. */ |
4c6fabc2 | 80 | #define DATE_FORMAT "%Y-%m-%d %H:%M" |
6b161b31 | 81 | #define DATE_COLS STRING_SIZE("2006-04-29 14:21 ") |
4c6fabc2 | 82 | |
10e290ee JF |
83 | #define AUTHOR_COLS 20 |
84 | ||
a28bcc22 | 85 | /* The default interval between line numbers. */ |
4a2909a7 | 86 | #define NUMBER_INTERVAL 1 |
82e78006 | 87 | |
6706b2ba JF |
88 | #define TABSIZE 8 |
89 | ||
a28bcc22 JF |
90 | #define SCALE_SPLIT_VIEW(height) ((height) * 2 / 3) |
91 | ||
8eb62770 | 92 | #define TIG_LS_REMOTE \ |
337d7377 | 93 | "git ls-remote $(git rev-parse --git-dir) 2>/dev/null" |
8eb62770 JF |
94 | |
95 | #define TIG_DIFF_CMD \ | |
73fb51d5 | 96 | "git show --root --patch-with-stat --find-copies-harder -B -C %s 2>/dev/null" |
8eb62770 JF |
97 | |
98 | #define TIG_LOG_CMD \ | |
8fee6614 | 99 | "git log --cc --stat -n100 %s 2>/dev/null" |
8eb62770 JF |
100 | |
101 | #define TIG_MAIN_CMD \ | |
8fee6614 | 102 | "git log --topo-order --pretty=raw %s 2>/dev/null" |
8eb62770 | 103 | |
e733ee54 JF |
104 | #define TIG_TREE_CMD \ |
105 | "git ls-tree %s %s" | |
106 | ||
107 | #define TIG_BLOB_CMD \ | |
108 | "git cat-file blob %s" | |
109 | ||
8eb62770 JF |
110 | /* XXX: Needs to be defined to the empty string. */ |
111 | #define TIG_HELP_CMD "" | |
112 | #define TIG_PAGER_CMD "" | |
113 | ||
8855ada4 | 114 | /* Some ascii-shorthands fitted into the ncurses namespace. */ |
a28bcc22 JF |
115 | #define KEY_TAB '\t' |
116 | #define KEY_RETURN '\r' | |
4a2909a7 JF |
117 | #define KEY_ESC 27 |
118 | ||
6706b2ba | 119 | |
c34d9c9f | 120 | struct ref { |
468876c9 | 121 | char *name; /* Ref name; tag or head names are shortened. */ |
10446330 | 122 | char id[SIZEOF_REV]; /* Commit SHA1 ID */ |
468876c9 | 123 | unsigned int tag:1; /* Is it a tag? */ |
e15ec88e | 124 | unsigned int remote:1; /* Is it a remote ref? */ |
468876c9 | 125 | unsigned int next:1; /* For ref lists: are there more refs? */ |
c34d9c9f JF |
126 | }; |
127 | ||
ff26aa29 | 128 | static struct ref **get_refs(char *id); |
4c6fabc2 | 129 | |
660e09ad JF |
130 | struct int_map { |
131 | const char *name; | |
132 | int namelen; | |
133 | int value; | |
134 | }; | |
135 | ||
136 | static int | |
137 | set_from_int_map(struct int_map *map, size_t map_size, | |
138 | int *value, const char *name, int namelen) | |
139 | { | |
140 | ||
141 | int i; | |
142 | ||
143 | for (i = 0; i < map_size; i++) | |
144 | if (namelen == map[i].namelen && | |
145 | !strncasecmp(name, map[i].name, namelen)) { | |
146 | *value = map[i].value; | |
147 | return OK; | |
148 | } | |
149 | ||
150 | return ERR; | |
151 | } | |
152 | ||
6706b2ba | 153 | |
03a93dbb JF |
154 | /* |
155 | * String helpers | |
156 | */ | |
78c70acd | 157 | |
82e78006 | 158 | static inline void |
9a48919b | 159 | string_ncopy_do(char *dst, size_t dstlen, const char *src, size_t srclen) |
82e78006 | 160 | { |
9a48919b JF |
161 | if (srclen > dstlen - 1) |
162 | srclen = dstlen - 1; | |
03a93dbb | 163 | |
9a48919b JF |
164 | strncpy(dst, src, srclen); |
165 | dst[srclen] = 0; | |
82e78006 JF |
166 | } |
167 | ||
9a48919b JF |
168 | /* Shorthands for safely copying into a fixed buffer. */ |
169 | ||
82e78006 | 170 | #define string_copy(dst, src) \ |
9a48919b JF |
171 | string_ncopy_do(dst, sizeof(dst), src, sizeof(dst)) |
172 | ||
173 | #define string_ncopy(dst, src, srclen) \ | |
174 | string_ncopy_do(dst, sizeof(dst), src, srclen) | |
82e78006 | 175 | |
4a63c884 JF |
176 | static char * |
177 | chomp_string(char *name) | |
178 | { | |
179 | int namelen; | |
180 | ||
181 | while (isspace(*name)) | |
182 | name++; | |
183 | ||
184 | namelen = strlen(name) - 1; | |
185 | while (namelen > 0 && isspace(name[namelen])) | |
186 | name[namelen--] = 0; | |
187 | ||
188 | return name; | |
189 | } | |
190 | ||
cc2d1364 | 191 | static bool |
d65ced0d | 192 | string_nformat(char *buf, size_t bufsize, size_t *bufpos, const char *fmt, ...) |
cc2d1364 JF |
193 | { |
194 | va_list args; | |
d65ced0d | 195 | size_t pos = bufpos ? *bufpos : 0; |
cc2d1364 JF |
196 | |
197 | va_start(args, fmt); | |
198 | pos += vsnprintf(buf + pos, bufsize - pos, fmt, args); | |
199 | va_end(args); | |
200 | ||
201 | if (bufpos) | |
202 | *bufpos = pos; | |
203 | ||
204 | return pos >= bufsize ? FALSE : TRUE; | |
205 | } | |
206 | ||
207 | #define string_format(buf, fmt, args...) \ | |
208 | string_nformat(buf, sizeof(buf), NULL, fmt, args) | |
209 | ||
210 | #define string_format_from(buf, from, fmt, args...) \ | |
211 | string_nformat(buf, sizeof(buf), from, fmt, args) | |
6706b2ba | 212 | |
201f5a18 JF |
213 | static int |
214 | string_enum_compare(const char *str1, const char *str2, int len) | |
215 | { | |
216 | size_t i; | |
217 | ||
218 | #define string_enum_sep(x) ((x) == '-' || (x) == '_' || (x) == '.') | |
219 | ||
220 | /* Diff-Header == DIFF_HEADER */ | |
221 | for (i = 0; i < len; i++) { | |
222 | if (toupper(str1[i]) == toupper(str2[i])) | |
223 | continue; | |
224 | ||
225 | if (string_enum_sep(str1[i]) && | |
226 | string_enum_sep(str2[i])) | |
227 | continue; | |
228 | ||
229 | return str1[i] - str2[i]; | |
230 | } | |
231 | ||
232 | return 0; | |
233 | } | |
234 | ||
03a93dbb JF |
235 | /* Shell quoting |
236 | * | |
237 | * NOTE: The following is a slightly modified copy of the git project's shell | |
238 | * quoting routines found in the quote.c file. | |
239 | * | |
240 | * Help to copy the thing properly quoted for the shell safety. any single | |
241 | * quote is replaced with '\'', any exclamation point is replaced with '\!', | |
242 | * and the whole thing is enclosed in a | |
243 | * | |
244 | * E.g. | |
245 | * original sq_quote result | |
246 | * name ==> name ==> 'name' | |
247 | * a b ==> a b ==> 'a b' | |
248 | * a'b ==> a'\''b ==> 'a'\''b' | |
249 | * a!b ==> a'\!'b ==> 'a'\!'b' | |
250 | */ | |
251 | ||
252 | static size_t | |
17482b11 | 253 | sq_quote(char buf[SIZEOF_STR], size_t bufsize, const char *src) |
03a93dbb JF |
254 | { |
255 | char c; | |
256 | ||
17482b11 | 257 | #define BUFPUT(x) do { if (bufsize < SIZEOF_STR) buf[bufsize++] = (x); } while (0) |
03a93dbb JF |
258 | |
259 | BUFPUT('\''); | |
260 | while ((c = *src++)) { | |
261 | if (c == '\'' || c == '!') { | |
262 | BUFPUT('\''); | |
263 | BUFPUT('\\'); | |
264 | BUFPUT(c); | |
265 | BUFPUT('\''); | |
266 | } else { | |
267 | BUFPUT(c); | |
268 | } | |
269 | } | |
270 | BUFPUT('\''); | |
271 | ||
272 | return bufsize; | |
273 | } | |
274 | ||
82e78006 | 275 | |
24b5b3e0 JF |
276 | /* |
277 | * User requests | |
278 | */ | |
279 | ||
280 | #define REQ_INFO \ | |
281 | /* XXX: Keep the view request first and in sync with views[]. */ \ | |
282 | REQ_GROUP("View switching") \ | |
283 | REQ_(VIEW_MAIN, "Show main view"), \ | |
284 | REQ_(VIEW_DIFF, "Show diff view"), \ | |
285 | REQ_(VIEW_LOG, "Show log view"), \ | |
e733ee54 JF |
286 | REQ_(VIEW_TREE, "Show tree view"), \ |
287 | REQ_(VIEW_BLOB, "Show blob view"), \ | |
24b5b3e0 JF |
288 | REQ_(VIEW_HELP, "Show help page"), \ |
289 | REQ_(VIEW_PAGER, "Show pager view"), \ | |
290 | \ | |
291 | REQ_GROUP("View manipulation") \ | |
292 | REQ_(ENTER, "Enter current line and scroll"), \ | |
293 | REQ_(NEXT, "Move to next"), \ | |
294 | REQ_(PREVIOUS, "Move to previous"), \ | |
295 | REQ_(VIEW_NEXT, "Move focus to next view"), \ | |
296 | REQ_(VIEW_CLOSE, "Close the current view"), \ | |
297 | REQ_(QUIT, "Close all views and quit"), \ | |
298 | \ | |
299 | REQ_GROUP("Cursor navigation") \ | |
300 | REQ_(MOVE_UP, "Move cursor one line up"), \ | |
301 | REQ_(MOVE_DOWN, "Move cursor one line down"), \ | |
302 | REQ_(MOVE_PAGE_DOWN, "Move cursor one page down"), \ | |
303 | REQ_(MOVE_PAGE_UP, "Move cursor one page up"), \ | |
304 | REQ_(MOVE_FIRST_LINE, "Move cursor to first line"), \ | |
305 | REQ_(MOVE_LAST_LINE, "Move cursor to last line"), \ | |
306 | \ | |
307 | REQ_GROUP("Scrolling") \ | |
308 | REQ_(SCROLL_LINE_UP, "Scroll one line up"), \ | |
309 | REQ_(SCROLL_LINE_DOWN, "Scroll one line down"), \ | |
310 | REQ_(SCROLL_PAGE_UP, "Scroll one page up"), \ | |
311 | REQ_(SCROLL_PAGE_DOWN, "Scroll one page down"), \ | |
312 | \ | |
4af34daa JF |
313 | REQ_GROUP("Searching") \ |
314 | REQ_(SEARCH, "Search the view"), \ | |
315 | REQ_(SEARCH_BACK, "Search backwards in the view"), \ | |
316 | REQ_(FIND_NEXT, "Find next search match"), \ | |
317 | REQ_(FIND_PREV, "Find previous search match"), \ | |
318 | \ | |
24b5b3e0 | 319 | REQ_GROUP("Misc") \ |
1d754561 | 320 | REQ_(NONE, "Do nothing"), \ |
24b5b3e0 | 321 | REQ_(PROMPT, "Bring up the prompt"), \ |
24b5b3e0 JF |
322 | REQ_(SCREEN_REDRAW, "Redraw the screen"), \ |
323 | REQ_(SCREEN_RESIZE, "Resize the screen"), \ | |
324 | REQ_(SHOW_VERSION, "Show version information"), \ | |
325 | REQ_(STOP_LOADING, "Stop all loading views"), \ | |
54efb62b | 326 | REQ_(TOGGLE_LINENO, "Toggle line numbers"), \ |
04e2b7b2 | 327 | REQ_(TOGGLE_REV_GRAPH, "Toggle revision graph visualization") |
24b5b3e0 JF |
328 | |
329 | ||
330 | /* User action requests. */ | |
331 | enum request { | |
332 | #define REQ_GROUP(help) | |
333 | #define REQ_(req, help) REQ_##req | |
334 | ||
335 | /* Offset all requests to avoid conflicts with ncurses getch values. */ | |
336 | REQ_OFFSET = KEY_MAX + 1, | |
04e2b7b2 JF |
337 | REQ_INFO, |
338 | REQ_UNKNOWN, | |
24b5b3e0 JF |
339 | |
340 | #undef REQ_GROUP | |
341 | #undef REQ_ | |
342 | }; | |
343 | ||
344 | struct request_info { | |
345 | enum request request; | |
04e2b7b2 JF |
346 | char *name; |
347 | int namelen; | |
24b5b3e0 JF |
348 | char *help; |
349 | }; | |
350 | ||
351 | static struct request_info req_info[] = { | |
04e2b7b2 JF |
352 | #define REQ_GROUP(help) { 0, NULL, 0, (help) }, |
353 | #define REQ_(req, help) { REQ_##req, (#req), STRING_SIZE(#req), (help) } | |
24b5b3e0 JF |
354 | REQ_INFO |
355 | #undef REQ_GROUP | |
356 | #undef REQ_ | |
357 | }; | |
358 | ||
04e2b7b2 JF |
359 | static enum request |
360 | get_request(const char *name) | |
361 | { | |
362 | int namelen = strlen(name); | |
363 | int i; | |
364 | ||
365 | for (i = 0; i < ARRAY_SIZE(req_info); i++) | |
366 | if (req_info[i].namelen == namelen && | |
367 | !string_enum_compare(req_info[i].name, name, namelen)) | |
368 | return req_info[i].request; | |
369 | ||
370 | return REQ_UNKNOWN; | |
371 | } | |
372 | ||
373 | ||
8eb62770 JF |
374 | /* |
375 | * Options | |
376 | */ | |
b76c2afc | 377 | |
4b8c01a3 JF |
378 | static const char usage[] = |
379 | VERSION " (" __DATE__ ")\n" | |
380 | "\n" | |
381 | "Usage: tig [options]\n" | |
382 | " or: tig [options] [--] [git log options]\n" | |
383 | " or: tig [options] log [git log options]\n" | |
384 | " or: tig [options] diff [git diff options]\n" | |
385 | " or: tig [options] show [git show options]\n" | |
386 | " or: tig [options] < [git command output]\n" | |
387 | "\n" | |
388 | "Options:\n" | |
389 | " -l Start up in log view\n" | |
390 | " -d Start up in diff view\n" | |
391 | " -n[I], --line-number[=I] Show line numbers with given interval\n" | |
b3c965c9 | 392 | " -b[N], --tab-size[=N] Set number of spaces for tab expansion\n" |
4b8c01a3 JF |
393 | " -- Mark end of tig options\n" |
394 | " -v, --version Show version and exit\n" | |
395 | " -h, --help Show help message and exit\n"; | |
396 | ||
6706b2ba | 397 | /* Option and state variables. */ |
92d30f5c | 398 | static bool opt_line_number = FALSE; |
11ce319e | 399 | static bool opt_rev_graph = FALSE; |
92d30f5c JF |
400 | static int opt_num_interval = NUMBER_INTERVAL; |
401 | static int opt_tab_size = TABSIZE; | |
402 | static enum request opt_request = REQ_VIEW_MAIN; | |
403 | static char opt_cmd[SIZEOF_STR] = ""; | |
e733ee54 | 404 | static char opt_path[SIZEOF_STR] = ""; |
92d30f5c JF |
405 | static FILE *opt_pipe = NULL; |
406 | static char opt_encoding[20] = "UTF-8"; | |
407 | static bool opt_utf8 = TRUE; | |
408 | static char opt_codeset[20] = "UTF-8"; | |
409 | static iconv_t opt_iconv = ICONV_NONE; | |
410 | static char opt_search[SIZEOF_STR] = ""; | |
b76c2afc | 411 | |
6dbf6c19 JF |
412 | enum option_type { |
413 | OPT_NONE, | |
414 | OPT_INT, | |
415 | }; | |
416 | ||
417 | static bool | |
418 | check_option(char *opt, char short_name, char *name, enum option_type type, ...) | |
419 | { | |
420 | va_list args; | |
421 | char *value = ""; | |
422 | int *number; | |
423 | ||
424 | if (opt[0] != '-') | |
425 | return FALSE; | |
426 | ||
427 | if (opt[1] == '-') { | |
428 | int namelen = strlen(name); | |
429 | ||
430 | opt += 2; | |
431 | ||
432 | if (strncmp(opt, name, namelen)) | |
433 | return FALSE; | |
434 | ||
435 | if (opt[namelen] == '=') | |
436 | value = opt + namelen + 1; | |
437 | ||
438 | } else { | |
439 | if (!short_name || opt[1] != short_name) | |
440 | return FALSE; | |
441 | value = opt + 2; | |
442 | } | |
443 | ||
444 | va_start(args, type); | |
445 | if (type == OPT_INT) { | |
446 | number = va_arg(args, int *); | |
447 | if (isdigit(*value)) | |
448 | *number = atoi(value); | |
449 | } | |
450 | va_end(args); | |
451 | ||
452 | return TRUE; | |
453 | } | |
454 | ||
b76c2afc | 455 | /* Returns the index of log or diff command or -1 to exit. */ |
8855ada4 | 456 | static bool |
b76c2afc JF |
457 | parse_options(int argc, char *argv[]) |
458 | { | |
459 | int i; | |
460 | ||
461 | for (i = 1; i < argc; i++) { | |
462 | char *opt = argv[i]; | |
463 | ||
3621d94e JF |
464 | if (!strcmp(opt, "log") || |
465 | !strcmp(opt, "diff") || | |
466 | !strcmp(opt, "show")) { | |
467 | opt_request = opt[0] == 'l' | |
468 | ? REQ_VIEW_LOG : REQ_VIEW_DIFF; | |
469 | break; | |
470 | } | |
471 | ||
8d27b36e JF |
472 | if (opt[0] && opt[0] != '-') |
473 | break; | |
474 | ||
6b161b31 | 475 | if (!strcmp(opt, "-l")) { |
4a2909a7 | 476 | opt_request = REQ_VIEW_LOG; |
6b161b31 JF |
477 | continue; |
478 | } | |
b76c2afc | 479 | |
6b161b31 | 480 | if (!strcmp(opt, "-d")) { |
4a2909a7 | 481 | opt_request = REQ_VIEW_DIFF; |
6b161b31 JF |
482 | continue; |
483 | } | |
b76c2afc | 484 | |
6dbf6c19 | 485 | if (check_option(opt, 'n', "line-number", OPT_INT, &opt_num_interval)) { |
6b161b31 JF |
486 | opt_line_number = TRUE; |
487 | continue; | |
488 | } | |
b76c2afc | 489 | |
6dbf6c19 JF |
490 | if (check_option(opt, 'b', "tab-size", OPT_INT, &opt_tab_size)) { |
491 | opt_tab_size = MIN(opt_tab_size, TABSIZE); | |
6706b2ba JF |
492 | continue; |
493 | } | |
494 | ||
6dbf6c19 | 495 | if (check_option(opt, 'v', "version", OPT_NONE)) { |
b76c2afc | 496 | printf("tig version %s\n", VERSION); |
8855ada4 | 497 | return FALSE; |
6b161b31 | 498 | } |
b76c2afc | 499 | |
6dbf6c19 | 500 | if (check_option(opt, 'h', "help", OPT_NONE)) { |
4b8c01a3 JF |
501 | printf(usage); |
502 | return FALSE; | |
503 | } | |
504 | ||
6908bdbd JF |
505 | if (!strcmp(opt, "--")) { |
506 | i++; | |
507 | break; | |
508 | } | |
03a93dbb | 509 | |
bf174187 | 510 | die("unknown option '%s'\n\n%s", opt, usage); |
b76c2afc JF |
511 | } |
512 | ||
6908bdbd | 513 | if (!isatty(STDIN_FILENO)) { |
6908bdbd JF |
514 | opt_request = REQ_VIEW_PAGER; |
515 | opt_pipe = stdin; | |
516 | ||
517 | } else if (i < argc) { | |
518 | size_t buf_size; | |
519 | ||
6908bdbd | 520 | if (opt_request == REQ_VIEW_MAIN) |
8855ada4 JF |
521 | /* XXX: This is vulnerable to the user overriding |
522 | * options required for the main view parser. */ | |
832a47c4 | 523 | string_copy(opt_cmd, "git log --pretty=raw"); |
6908bdbd JF |
524 | else |
525 | string_copy(opt_cmd, "git"); | |
526 | buf_size = strlen(opt_cmd); | |
527 | ||
528 | while (buf_size < sizeof(opt_cmd) && i < argc) { | |
529 | opt_cmd[buf_size++] = ' '; | |
530 | buf_size = sq_quote(opt_cmd, buf_size, argv[i++]); | |
531 | } | |
532 | ||
533 | if (buf_size >= sizeof(opt_cmd)) | |
534 | die("command too long"); | |
535 | ||
536 | opt_cmd[buf_size] = 0; | |
6908bdbd JF |
537 | } |
538 | ||
afdc35b3 JF |
539 | if (*opt_encoding && strcasecmp(opt_encoding, "UTF-8")) |
540 | opt_utf8 = FALSE; | |
541 | ||
8855ada4 | 542 | return TRUE; |
b76c2afc JF |
543 | } |
544 | ||
545 | ||
54efb62b JF |
546 | /* |
547 | * Line-oriented content detection. | |
548 | */ | |
549 | ||
2e8488b4 | 550 | #define LINE_INFO \ |
660e09ad | 551 | LINE(DIFF_HEADER, "diff --git ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ |
a28bcc22 JF |
552 | LINE(DIFF_CHUNK, "@@", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
553 | LINE(DIFF_ADD, "+", COLOR_GREEN, COLOR_DEFAULT, 0), \ | |
554 | LINE(DIFF_DEL, "-", COLOR_RED, COLOR_DEFAULT, 0), \ | |
660e09ad JF |
555 | LINE(DIFF_INDEX, "index ", COLOR_BLUE, COLOR_DEFAULT, 0), \ |
556 | LINE(DIFF_OLDMODE, "old file mode ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
557 | LINE(DIFF_NEWMODE, "new file mode ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
558 | LINE(DIFF_COPY_FROM, "copy from", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
559 | LINE(DIFF_COPY_TO, "copy to", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
560 | LINE(DIFF_RENAME_FROM, "rename from", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
561 | LINE(DIFF_RENAME_TO, "rename to", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
562 | LINE(DIFF_SIMILARITY, "similarity ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
563 | LINE(DIFF_DISSIMILARITY,"dissimilarity ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
564 | LINE(DIFF_TREE, "diff-tree ", COLOR_BLUE, COLOR_DEFAULT, 0), \ | |
6908bdbd | 565 | LINE(PP_AUTHOR, "Author: ", COLOR_CYAN, COLOR_DEFAULT, 0), \ |
8855ada4 | 566 | LINE(PP_COMMIT, "Commit: ", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
6908bdbd JF |
567 | LINE(PP_MERGE, "Merge: ", COLOR_BLUE, COLOR_DEFAULT, 0), \ |
568 | LINE(PP_DATE, "Date: ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
8855ada4 JF |
569 | LINE(PP_ADATE, "AuthorDate: ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ |
570 | LINE(PP_CDATE, "CommitDate: ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
7b99a34c | 571 | LINE(PP_REFS, "Refs: ", COLOR_RED, COLOR_DEFAULT, 0), \ |
a28bcc22 JF |
572 | LINE(COMMIT, "commit ", COLOR_GREEN, COLOR_DEFAULT, 0), \ |
573 | LINE(PARENT, "parent ", COLOR_BLUE, COLOR_DEFAULT, 0), \ | |
574 | LINE(TREE, "tree ", COLOR_BLUE, COLOR_DEFAULT, 0), \ | |
8855ada4 | 575 | LINE(AUTHOR, "author ", COLOR_CYAN, COLOR_DEFAULT, 0), \ |
a28bcc22 | 576 | LINE(COMMITTER, "committer ", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
a28bcc22 | 577 | LINE(SIGNOFF, " Signed-off-by", COLOR_YELLOW, COLOR_DEFAULT, 0), \ |
d4d8de8f | 578 | LINE(ACKED, " Acked-by", COLOR_YELLOW, COLOR_DEFAULT, 0), \ |
a28bcc22 JF |
579 | LINE(DEFAULT, "", COLOR_DEFAULT, COLOR_DEFAULT, A_NORMAL), \ |
580 | LINE(CURSOR, "", COLOR_WHITE, COLOR_GREEN, A_BOLD), \ | |
581 | LINE(STATUS, "", COLOR_GREEN, COLOR_DEFAULT, 0), \ | |
6b161b31 JF |
582 | LINE(TITLE_BLUR, "", COLOR_WHITE, COLOR_BLUE, 0), \ |
583 | LINE(TITLE_FOCUS, "", COLOR_WHITE, COLOR_BLUE, A_BOLD), \ | |
a28bcc22 JF |
584 | LINE(MAIN_DATE, "", COLOR_BLUE, COLOR_DEFAULT, 0), \ |
585 | LINE(MAIN_AUTHOR, "", COLOR_GREEN, COLOR_DEFAULT, 0), \ | |
586 | LINE(MAIN_COMMIT, "", COLOR_DEFAULT, COLOR_DEFAULT, 0), \ | |
c34d9c9f JF |
587 | LINE(MAIN_DELIM, "", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
588 | LINE(MAIN_TAG, "", COLOR_MAGENTA, COLOR_DEFAULT, A_BOLD), \ | |
e15ec88e | 589 | LINE(MAIN_REMOTE, "", COLOR_YELLOW, COLOR_DEFAULT, A_BOLD), \ |
660e09ad | 590 | LINE(MAIN_REF, "", COLOR_CYAN, COLOR_DEFAULT, A_BOLD), \ |
e733ee54 JF |
591 | LINE(TREE_DIR, "", COLOR_DEFAULT, COLOR_DEFAULT, A_NORMAL), \ |
592 | LINE(TREE_FILE, "", COLOR_DEFAULT, COLOR_DEFAULT, A_NORMAL) | |
660e09ad | 593 | |
78c70acd | 594 | enum line_type { |
2e8488b4 JF |
595 | #define LINE(type, line, fg, bg, attr) \ |
596 | LINE_##type | |
597 | LINE_INFO | |
598 | #undef LINE | |
78c70acd JF |
599 | }; |
600 | ||
601 | struct line_info { | |
660e09ad JF |
602 | const char *name; /* Option name. */ |
603 | int namelen; /* Size of option name. */ | |
4685845e | 604 | const char *line; /* The start of line to match. */ |
2e8488b4 JF |
605 | int linelen; /* Size of string to match. */ |
606 | int fg, bg, attr; /* Color and text attributes for the lines. */ | |
78c70acd JF |
607 | }; |
608 | ||
2e8488b4 | 609 | static struct line_info line_info[] = { |
78c70acd | 610 | #define LINE(type, line, fg, bg, attr) \ |
660e09ad | 611 | { #type, STRING_SIZE(#type), (line), STRING_SIZE(line), (fg), (bg), (attr) } |
2e8488b4 JF |
612 | LINE_INFO |
613 | #undef LINE | |
78c70acd JF |
614 | }; |
615 | ||
2e8488b4 JF |
616 | static enum line_type |
617 | get_line_type(char *line) | |
78c70acd JF |
618 | { |
619 | int linelen = strlen(line); | |
a28bcc22 | 620 | enum line_type type; |
78c70acd | 621 | |
a28bcc22 | 622 | for (type = 0; type < ARRAY_SIZE(line_info); type++) |
2e8488b4 | 623 | /* Case insensitive search matches Signed-off-by lines better. */ |
a28bcc22 JF |
624 | if (linelen >= line_info[type].linelen && |
625 | !strncasecmp(line_info[type].line, line, line_info[type].linelen)) | |
626 | return type; | |
78c70acd | 627 | |
2e8488b4 | 628 | return LINE_DEFAULT; |
78c70acd JF |
629 | } |
630 | ||
2e8488b4 | 631 | static inline int |
78c70acd JF |
632 | get_line_attr(enum line_type type) |
633 | { | |
2e8488b4 JF |
634 | assert(type < ARRAY_SIZE(line_info)); |
635 | return COLOR_PAIR(type) | line_info[type].attr; | |
78c70acd JF |
636 | } |
637 | ||
660e09ad JF |
638 | static struct line_info * |
639 | get_line_info(char *name, int namelen) | |
640 | { | |
641 | enum line_type type; | |
660e09ad JF |
642 | |
643 | for (type = 0; type < ARRAY_SIZE(line_info); type++) | |
644 | if (namelen == line_info[type].namelen && | |
201f5a18 | 645 | !string_enum_compare(line_info[type].name, name, namelen)) |
660e09ad JF |
646 | return &line_info[type]; |
647 | ||
648 | return NULL; | |
649 | } | |
650 | ||
78c70acd JF |
651 | static void |
652 | init_colors(void) | |
653 | { | |
82e78006 JF |
654 | int default_bg = COLOR_BLACK; |
655 | int default_fg = COLOR_WHITE; | |
a28bcc22 | 656 | enum line_type type; |
78c70acd JF |
657 | |
658 | start_color(); | |
659 | ||
660 | if (use_default_colors() != ERR) { | |
82e78006 JF |
661 | default_bg = -1; |
662 | default_fg = -1; | |
78c70acd JF |
663 | } |
664 | ||
a28bcc22 JF |
665 | for (type = 0; type < ARRAY_SIZE(line_info); type++) { |
666 | struct line_info *info = &line_info[type]; | |
82e78006 JF |
667 | int bg = info->bg == COLOR_DEFAULT ? default_bg : info->bg; |
668 | int fg = info->fg == COLOR_DEFAULT ? default_fg : info->fg; | |
78c70acd | 669 | |
a28bcc22 | 670 | init_pair(type, fg, bg); |
78c70acd JF |
671 | } |
672 | } | |
673 | ||
fe7233c3 JF |
674 | struct line { |
675 | enum line_type type; | |
3c571d67 JF |
676 | |
677 | /* State flags */ | |
678 | unsigned int selected:1; | |
679 | ||
fe7233c3 JF |
680 | void *data; /* User data */ |
681 | }; | |
682 | ||
78c70acd | 683 | |
1899507c | 684 | /* |
37157fa0 JF |
685 | * Keys |
686 | */ | |
687 | ||
93a97d86 | 688 | struct keybinding { |
37157fa0 | 689 | int alias; |
93a97d86 | 690 | enum request request; |
04e2b7b2 | 691 | struct keybinding *next; |
37157fa0 JF |
692 | }; |
693 | ||
93a97d86 | 694 | static struct keybinding default_keybindings[] = { |
37157fa0 JF |
695 | /* View switching */ |
696 | { 'm', REQ_VIEW_MAIN }, | |
697 | { 'd', REQ_VIEW_DIFF }, | |
698 | { 'l', REQ_VIEW_LOG }, | |
e733ee54 | 699 | { 't', REQ_VIEW_TREE }, |
0001fc34 | 700 | { 'f', REQ_VIEW_BLOB }, |
37157fa0 JF |
701 | { 'p', REQ_VIEW_PAGER }, |
702 | { 'h', REQ_VIEW_HELP }, | |
37157fa0 JF |
703 | |
704 | /* View manipulation */ | |
705 | { 'q', REQ_VIEW_CLOSE }, | |
706 | { KEY_TAB, REQ_VIEW_NEXT }, | |
707 | { KEY_RETURN, REQ_ENTER }, | |
708 | { KEY_UP, REQ_PREVIOUS }, | |
709 | { KEY_DOWN, REQ_NEXT }, | |
710 | ||
711 | /* Cursor navigation */ | |
712 | { 'k', REQ_MOVE_UP }, | |
713 | { 'j', REQ_MOVE_DOWN }, | |
714 | { KEY_HOME, REQ_MOVE_FIRST_LINE }, | |
715 | { KEY_END, REQ_MOVE_LAST_LINE }, | |
716 | { KEY_NPAGE, REQ_MOVE_PAGE_DOWN }, | |
717 | { ' ', REQ_MOVE_PAGE_DOWN }, | |
718 | { KEY_PPAGE, REQ_MOVE_PAGE_UP }, | |
719 | { 'b', REQ_MOVE_PAGE_UP }, | |
720 | { '-', REQ_MOVE_PAGE_UP }, | |
721 | ||
722 | /* Scrolling */ | |
723 | { KEY_IC, REQ_SCROLL_LINE_UP }, | |
724 | { KEY_DC, REQ_SCROLL_LINE_DOWN }, | |
725 | { 'w', REQ_SCROLL_PAGE_UP }, | |
726 | { 's', REQ_SCROLL_PAGE_DOWN }, | |
727 | ||
4af34daa JF |
728 | /* Searching */ |
729 | { '/', REQ_SEARCH }, | |
730 | { '?', REQ_SEARCH_BACK }, | |
731 | { 'n', REQ_FIND_NEXT }, | |
732 | { 'N', REQ_FIND_PREV }, | |
733 | ||
37157fa0 JF |
734 | /* Misc */ |
735 | { 'Q', REQ_QUIT }, | |
736 | { 'z', REQ_STOP_LOADING }, | |
737 | { 'v', REQ_SHOW_VERSION }, | |
738 | { 'r', REQ_SCREEN_REDRAW }, | |
904e68d8 | 739 | { '.', REQ_TOGGLE_LINENO }, |
73fb51d5 | 740 | { 'g', REQ_TOGGLE_REV_GRAPH }, |
37157fa0 JF |
741 | { ':', REQ_PROMPT }, |
742 | ||
1d754561 | 743 | /* Using the ncurses SIGWINCH handler. */ |
37157fa0 JF |
744 | { KEY_RESIZE, REQ_SCREEN_RESIZE }, |
745 | }; | |
746 | ||
04e2b7b2 JF |
747 | #define KEYMAP_INFO \ |
748 | KEYMAP_(GENERIC), \ | |
749 | KEYMAP_(MAIN), \ | |
750 | KEYMAP_(DIFF), \ | |
751 | KEYMAP_(LOG), \ | |
e733ee54 JF |
752 | KEYMAP_(TREE), \ |
753 | KEYMAP_(BLOB), \ | |
04e2b7b2 JF |
754 | KEYMAP_(PAGER), \ |
755 | KEYMAP_(HELP) \ | |
756 | ||
757 | enum keymap { | |
758 | #define KEYMAP_(name) KEYMAP_##name | |
759 | KEYMAP_INFO | |
760 | #undef KEYMAP_ | |
761 | }; | |
762 | ||
763 | static struct int_map keymap_table[] = { | |
764 | #define KEYMAP_(name) { #name, STRING_SIZE(#name), KEYMAP_##name } | |
765 | KEYMAP_INFO | |
766 | #undef KEYMAP_ | |
767 | }; | |
768 | ||
769 | #define set_keymap(map, name) \ | |
770 | set_from_int_map(keymap_table, ARRAY_SIZE(keymap_table), map, name, strlen(name)) | |
771 | ||
772 | static struct keybinding *keybindings[ARRAY_SIZE(keymap_table)]; | |
773 | ||
774 | static void | |
775 | add_keybinding(enum keymap keymap, enum request request, int key) | |
776 | { | |
777 | struct keybinding *keybinding; | |
778 | ||
779 | keybinding = calloc(1, sizeof(*keybinding)); | |
780 | if (!keybinding) | |
781 | die("Failed to allocate keybinding"); | |
782 | ||
783 | keybinding->alias = key; | |
784 | keybinding->request = request; | |
785 | keybinding->next = keybindings[keymap]; | |
786 | keybindings[keymap] = keybinding; | |
787 | } | |
788 | ||
789 | /* Looks for a key binding first in the given map, then in the generic map, and | |
790 | * lastly in the default keybindings. */ | |
37157fa0 | 791 | static enum request |
04e2b7b2 | 792 | get_keybinding(enum keymap keymap, int key) |
37157fa0 | 793 | { |
04e2b7b2 | 794 | struct keybinding *kbd; |
37157fa0 JF |
795 | int i; |
796 | ||
04e2b7b2 JF |
797 | for (kbd = keybindings[keymap]; kbd; kbd = kbd->next) |
798 | if (kbd->alias == key) | |
799 | return kbd->request; | |
800 | ||
801 | for (kbd = keybindings[KEYMAP_GENERIC]; kbd; kbd = kbd->next) | |
802 | if (kbd->alias == key) | |
803 | return kbd->request; | |
804 | ||
93a97d86 JF |
805 | for (i = 0; i < ARRAY_SIZE(default_keybindings); i++) |
806 | if (default_keybindings[i].alias == key) | |
807 | return default_keybindings[i].request; | |
37157fa0 JF |
808 | |
809 | return (enum request) key; | |
810 | } | |
811 | ||
93a97d86 | 812 | |
37157fa0 JF |
813 | struct key { |
814 | char *name; | |
815 | int value; | |
816 | }; | |
817 | ||
818 | static struct key key_table[] = { | |
819 | { "Enter", KEY_RETURN }, | |
820 | { "Space", ' ' }, | |
821 | { "Backspace", KEY_BACKSPACE }, | |
822 | { "Tab", KEY_TAB }, | |
823 | { "Escape", KEY_ESC }, | |
824 | { "Left", KEY_LEFT }, | |
825 | { "Right", KEY_RIGHT }, | |
826 | { "Up", KEY_UP }, | |
827 | { "Down", KEY_DOWN }, | |
828 | { "Insert", KEY_IC }, | |
829 | { "Delete", KEY_DC }, | |
74f83ee6 | 830 | { "Hash", '#' }, |
37157fa0 JF |
831 | { "Home", KEY_HOME }, |
832 | { "End", KEY_END }, | |
833 | { "PageUp", KEY_PPAGE }, | |
834 | { "PageDown", KEY_NPAGE }, | |
835 | { "F1", KEY_F(1) }, | |
836 | { "F2", KEY_F(2) }, | |
837 | { "F3", KEY_F(3) }, | |
838 | { "F4", KEY_F(4) }, | |
839 | { "F5", KEY_F(5) }, | |
840 | { "F6", KEY_F(6) }, | |
841 | { "F7", KEY_F(7) }, | |
842 | { "F8", KEY_F(8) }, | |
843 | { "F9", KEY_F(9) }, | |
844 | { "F10", KEY_F(10) }, | |
845 | { "F11", KEY_F(11) }, | |
846 | { "F12", KEY_F(12) }, | |
847 | }; | |
848 | ||
04e2b7b2 JF |
849 | static int |
850 | get_key_value(const char *name) | |
851 | { | |
852 | int i; | |
853 | ||
854 | for (i = 0; i < ARRAY_SIZE(key_table); i++) | |
855 | if (!strcasecmp(key_table[i].name, name)) | |
856 | return key_table[i].value; | |
857 | ||
858 | if (strlen(name) == 1 && isprint(*name)) | |
859 | return (int) *name; | |
860 | ||
861 | return ERR; | |
862 | } | |
863 | ||
37157fa0 JF |
864 | static char * |
865 | get_key(enum request request) | |
866 | { | |
867 | static char buf[BUFSIZ]; | |
868 | static char key_char[] = "'X'"; | |
d65ced0d | 869 | size_t pos = 0; |
37157fa0 JF |
870 | char *sep = " "; |
871 | int i; | |
872 | ||
873 | buf[pos] = 0; | |
874 | ||
93a97d86 JF |
875 | for (i = 0; i < ARRAY_SIZE(default_keybindings); i++) { |
876 | struct keybinding *keybinding = &default_keybindings[i]; | |
37157fa0 JF |
877 | char *seq = NULL; |
878 | int key; | |
879 | ||
93a97d86 | 880 | if (keybinding->request != request) |
37157fa0 JF |
881 | continue; |
882 | ||
883 | for (key = 0; key < ARRAY_SIZE(key_table); key++) | |
93a97d86 | 884 | if (key_table[key].value == keybinding->alias) |
37157fa0 JF |
885 | seq = key_table[key].name; |
886 | ||
887 | if (seq == NULL && | |
93a97d86 JF |
888 | keybinding->alias < 127 && |
889 | isprint(keybinding->alias)) { | |
890 | key_char[1] = (char) keybinding->alias; | |
37157fa0 JF |
891 | seq = key_char; |
892 | } | |
893 | ||
894 | if (!seq) | |
895 | seq = "'?'"; | |
896 | ||
897 | if (!string_format_from(buf, &pos, "%s%s", sep, seq)) | |
898 | return "Too many keybindings!"; | |
899 | sep = ", "; | |
900 | } | |
901 | ||
902 | return buf; | |
903 | } | |
904 | ||
905 | ||
906 | /* | |
1899507c JF |
907 | * User config file handling. |
908 | */ | |
909 | ||
5dc795f2 JF |
910 | static struct int_map color_map[] = { |
911 | #define COLOR_MAP(name) { #name, STRING_SIZE(#name), COLOR_##name } | |
912 | COLOR_MAP(DEFAULT), | |
913 | COLOR_MAP(BLACK), | |
914 | COLOR_MAP(BLUE), | |
915 | COLOR_MAP(CYAN), | |
916 | COLOR_MAP(GREEN), | |
917 | COLOR_MAP(MAGENTA), | |
918 | COLOR_MAP(RED), | |
919 | COLOR_MAP(WHITE), | |
920 | COLOR_MAP(YELLOW), | |
921 | }; | |
922 | ||
9256ab05 JF |
923 | #define set_color(color, name) \ |
924 | set_from_int_map(color_map, ARRAY_SIZE(color_map), color, name, strlen(name)) | |
660e09ad | 925 | |
5dc795f2 JF |
926 | static struct int_map attr_map[] = { |
927 | #define ATTR_MAP(name) { #name, STRING_SIZE(#name), A_##name } | |
928 | ATTR_MAP(NORMAL), | |
929 | ATTR_MAP(BLINK), | |
930 | ATTR_MAP(BOLD), | |
931 | ATTR_MAP(DIM), | |
932 | ATTR_MAP(REVERSE), | |
933 | ATTR_MAP(STANDOUT), | |
934 | ATTR_MAP(UNDERLINE), | |
935 | }; | |
936 | ||
9256ab05 JF |
937 | #define set_attribute(attr, name) \ |
938 | set_from_int_map(attr_map, ARRAY_SIZE(attr_map), attr, name, strlen(name)) | |
660e09ad | 939 | |
3c3801c2 JF |
940 | static int config_lineno; |
941 | static bool config_errors; | |
942 | static char *config_msg; | |
943 | ||
5bfd96c7 | 944 | /* Wants: object fgcolor bgcolor [attr] */ |
660e09ad | 945 | static int |
5bfd96c7 | 946 | option_color_command(int argc, char *argv[]) |
660e09ad | 947 | { |
bca8fcaa JF |
948 | struct line_info *info; |
949 | ||
9256ab05 JF |
950 | if (argc != 3 && argc != 4) { |
951 | config_msg = "Wrong number of arguments given to color command"; | |
952 | return ERR; | |
953 | } | |
954 | ||
955 | info = get_line_info(argv[0], strlen(argv[0])); | |
bca8fcaa JF |
956 | if (!info) { |
957 | config_msg = "Unknown color name"; | |
958 | return ERR; | |
959 | } | |
660e09ad | 960 | |
a3653368 JF |
961 | if (set_color(&info->fg, argv[1]) == ERR || |
962 | set_color(&info->bg, argv[2]) == ERR) { | |
bca8fcaa JF |
963 | config_msg = "Unknown color"; |
964 | return ERR; | |
965 | } | |
660e09ad | 966 | |
9256ab05 | 967 | if (argc == 4 && set_attribute(&info->attr, argv[3]) == ERR) { |
bca8fcaa JF |
968 | config_msg = "Unknown attribute"; |
969 | return ERR; | |
660e09ad JF |
970 | } |
971 | ||
bca8fcaa JF |
972 | return OK; |
973 | } | |
974 | ||
5bfd96c7 JF |
975 | /* Wants: name = value */ |
976 | static int | |
977 | option_set_command(int argc, char *argv[]) | |
978 | { | |
979 | if (argc != 3) { | |
980 | config_msg = "Wrong number of arguments given to set command"; | |
981 | return ERR; | |
982 | } | |
983 | ||
984 | if (strcmp(argv[1], "=")) { | |
985 | config_msg = "No value assigned"; | |
986 | return ERR; | |
987 | } | |
988 | ||
989 | if (!strcmp(argv[0], "show-rev-graph")) { | |
990 | opt_rev_graph = (!strcmp(argv[2], "1") || | |
991 | !strcmp(argv[2], "true") || | |
992 | !strcmp(argv[2], "yes")); | |
993 | return OK; | |
994 | } | |
995 | ||
996 | if (!strcmp(argv[0], "line-number-interval")) { | |
997 | opt_num_interval = atoi(argv[2]); | |
998 | return OK; | |
999 | } | |
1000 | ||
1001 | if (!strcmp(argv[0], "tab-size")) { | |
1002 | opt_tab_size = atoi(argv[2]); | |
1003 | return OK; | |
1004 | } | |
1005 | ||
cb7267ee | 1006 | if (!strcmp(argv[0], "commit-encoding")) { |
3cc9a4d4 JF |
1007 | char *arg = argv[2]; |
1008 | int delimiter = *arg; | |
1009 | int i; | |
1010 | ||
1011 | switch (delimiter) { | |
1012 | case '"': | |
1013 | case '\'': | |
1014 | for (arg++, i = 0; arg[i]; i++) | |
1015 | if (arg[i] == delimiter) { | |
1016 | arg[i] = 0; | |
1017 | break; | |
1018 | } | |
1019 | default: | |
1020 | string_copy(opt_encoding, arg); | |
1021 | return OK; | |
1022 | } | |
5bfd96c7 JF |
1023 | } |
1024 | ||
a3653368 | 1025 | config_msg = "Unknown variable name"; |
5bfd96c7 JF |
1026 | return ERR; |
1027 | } | |
1028 | ||
04e2b7b2 JF |
1029 | /* Wants: mode request key */ |
1030 | static int | |
1031 | option_bind_command(int argc, char *argv[]) | |
1032 | { | |
1033 | enum request request; | |
1034 | int keymap; | |
1035 | int key; | |
1036 | ||
1037 | if (argc != 3) { | |
1038 | config_msg = "Wrong number of arguments given to bind command"; | |
1039 | return ERR; | |
1040 | } | |
1041 | ||
1042 | if (set_keymap(&keymap, argv[0]) == ERR) { | |
1043 | config_msg = "Unknown key map"; | |
1044 | return ERR; | |
1045 | } | |
1046 | ||
1047 | key = get_key_value(argv[1]); | |
1048 | if (key == ERR) { | |
1049 | config_msg = "Unknown key"; | |
1050 | return ERR; | |
1051 | } | |
1052 | ||
1053 | request = get_request(argv[2]); | |
1054 | if (request == REQ_UNKNOWN) { | |
1055 | config_msg = "Unknown request name"; | |
1056 | return ERR; | |
1057 | } | |
1058 | ||
1059 | add_keybinding(keymap, request, key); | |
1060 | ||
1061 | return OK; | |
1062 | } | |
1063 | ||
bca8fcaa | 1064 | static int |
9256ab05 | 1065 | set_option(char *opt, char *value) |
bca8fcaa | 1066 | { |
9256ab05 JF |
1067 | char *argv[16]; |
1068 | int valuelen; | |
1069 | int argc = 0; | |
1070 | ||
1071 | /* Tokenize */ | |
1072 | while (argc < ARRAY_SIZE(argv) && (valuelen = strcspn(value, " \t"))) { | |
1073 | argv[argc++] = value; | |
1074 | ||
1075 | value += valuelen; | |
1076 | if (!*value) | |
1077 | break; | |
1078 | ||
1079 | *value++ = 0; | |
1080 | while (isspace(*value)) | |
1081 | value++; | |
1082 | } | |
1083 | ||
1084 | if (!strcmp(opt, "color")) | |
5bfd96c7 JF |
1085 | return option_color_command(argc, argv); |
1086 | ||
1087 | if (!strcmp(opt, "set")) | |
1088 | return option_set_command(argc, argv); | |
bca8fcaa | 1089 | |
04e2b7b2 JF |
1090 | if (!strcmp(opt, "bind")) |
1091 | return option_bind_command(argc, argv); | |
1092 | ||
a3653368 | 1093 | config_msg = "Unknown option command"; |
660e09ad JF |
1094 | return ERR; |
1095 | } | |
1096 | ||
1097 | static int | |
3c3801c2 JF |
1098 | read_option(char *opt, int optlen, char *value, int valuelen) |
1099 | { | |
a3653368 JF |
1100 | int status = OK; |
1101 | ||
3c3801c2 JF |
1102 | config_lineno++; |
1103 | config_msg = "Internal error"; | |
1104 | ||
a3653368 JF |
1105 | /* Check for comment markers, since read_properties() will |
1106 | * only ensure opt and value are split at first " \t". */ | |
74f83ee6 | 1107 | optlen = strcspn(opt, "#"); |
a3653368 | 1108 | if (optlen == 0) |
3c3801c2 JF |
1109 | return OK; |
1110 | ||
a3653368 JF |
1111 | if (opt[optlen] != 0) { |
1112 | config_msg = "No option value"; | |
1113 | status = ERR; | |
1114 | ||
1115 | } else { | |
1116 | /* Look for comment endings in the value. */ | |
74f83ee6 | 1117 | int len = strcspn(value, "#"); |
a3653368 JF |
1118 | |
1119 | if (len < valuelen) { | |
1120 | valuelen = len; | |
1121 | value[valuelen] = 0; | |
1122 | } | |
1123 | ||
1124 | status = set_option(opt, value); | |
3c3801c2 JF |
1125 | } |
1126 | ||
a3653368 JF |
1127 | if (status == ERR) { |
1128 | fprintf(stderr, "Error on line %d, near '%.*s': %s\n", | |
3c3801c2 JF |
1129 | config_lineno, optlen, opt, config_msg); |
1130 | config_errors = TRUE; | |
1131 | } | |
1132 | ||
1133 | /* Always keep going if errors are encountered. */ | |
1134 | return OK; | |
1135 | } | |
1136 | ||
1137 | static int | |
660e09ad JF |
1138 | load_options(void) |
1139 | { | |
1140 | char *home = getenv("HOME"); | |
17482b11 | 1141 | char buf[SIZEOF_STR]; |
660e09ad JF |
1142 | FILE *file; |
1143 | ||
3c3801c2 JF |
1144 | config_lineno = 0; |
1145 | config_errors = FALSE; | |
1146 | ||
cc2d1364 | 1147 | if (!home || !string_format(buf, "%s/.tigrc", home)) |
660e09ad JF |
1148 | return ERR; |
1149 | ||
1150 | /* It's ok that the file doesn't exist. */ | |
1151 | file = fopen(buf, "r"); | |
1152 | if (!file) | |
1153 | return OK; | |
1154 | ||
3c3801c2 JF |
1155 | if (read_properties(file, " \t", read_option) == ERR || |
1156 | config_errors == TRUE) | |
1157 | fprintf(stderr, "Errors while loading %s.\n", buf); | |
1158 | ||
1159 | return OK; | |
660e09ad JF |
1160 | } |
1161 | ||
1162 | ||
d839253b | 1163 | /* |
468876c9 | 1164 | * The viewer |
d839253b | 1165 | */ |
c2124ccd JF |
1166 | |
1167 | struct view; | |
fe7233c3 | 1168 | struct view_ops; |
c2124ccd JF |
1169 | |
1170 | /* The display array of active views and the index of the current view. */ | |
1171 | static struct view *display[2]; | |
1172 | static unsigned int current_view; | |
1173 | ||
ab4af23e JF |
1174 | /* Reading from the prompt? */ |
1175 | static bool input_mode = FALSE; | |
1176 | ||
33c4f9ea | 1177 | #define foreach_displayed_view(view, i) \ |
c2124ccd JF |
1178 | for (i = 0; i < ARRAY_SIZE(display) && (view = display[i]); i++) |
1179 | ||
9f41488f | 1180 | #define displayed_views() (display[1] != NULL ? 2 : 1) |
c2124ccd | 1181 | |
d839253b | 1182 | /* Current head and commit ID */ |
e733ee54 | 1183 | static char ref_blob[SIZEOF_REF] = ""; |
c2124ccd JF |
1184 | static char ref_commit[SIZEOF_REF] = "HEAD"; |
1185 | static char ref_head[SIZEOF_REF] = "HEAD"; | |
1186 | ||
b801d8b2 | 1187 | struct view { |
03a93dbb | 1188 | const char *name; /* View name */ |
4685845e TH |
1189 | const char *cmd_fmt; /* Default command line format */ |
1190 | const char *cmd_env; /* Command line set via environment */ | |
e733ee54 | 1191 | const char *id; /* Points to either of ref_{head,commit,blob} */ |
6b161b31 | 1192 | |
fe7233c3 | 1193 | struct view_ops *ops; /* View operations */ |
22f66b0a | 1194 | |
04e2b7b2 JF |
1195 | enum keymap keymap; /* What keymap does this view have */ |
1196 | ||
17482b11 | 1197 | char cmd[SIZEOF_STR]; /* Command buffer */ |
49f2b43f JF |
1198 | char ref[SIZEOF_REF]; /* Hovered commit reference */ |
1199 | char vid[SIZEOF_REF]; /* View ID. Set to id member when updating. */ | |
2e8488b4 | 1200 | |
8855ada4 JF |
1201 | int height, width; /* The width and height of the main window */ |
1202 | WINDOW *win; /* The main window */ | |
1203 | WINDOW *title; /* The title window living below the main window */ | |
b801d8b2 JF |
1204 | |
1205 | /* Navigation */ | |
1206 | unsigned long offset; /* Offset of the window top */ | |
1207 | unsigned long lineno; /* Current line number */ | |
1208 | ||
4af34daa JF |
1209 | /* Searching */ |
1210 | char grep[SIZEOF_STR]; /* Search string */ | |
b77b2cb8 | 1211 | regex_t *regex; /* Pre-compiled regex */ |
4af34daa | 1212 | |
f6da0b66 JF |
1213 | /* If non-NULL, points to the view that opened this view. If this view |
1214 | * is closed tig will switch back to the parent view. */ | |
1215 | struct view *parent; | |
1216 | ||
b801d8b2 JF |
1217 | /* Buffering */ |
1218 | unsigned long lines; /* Total number of lines */ | |
fe7233c3 | 1219 | struct line *line; /* Line index */ |
e2c01617 | 1220 | unsigned long line_size;/* Total number of allocated lines */ |
8855ada4 | 1221 | unsigned int digits; /* Number of digits in the lines member. */ |
b801d8b2 JF |
1222 | |
1223 | /* Loading */ | |
1224 | FILE *pipe; | |
2e8488b4 | 1225 | time_t start_time; |
b801d8b2 JF |
1226 | }; |
1227 | ||
fe7233c3 JF |
1228 | struct view_ops { |
1229 | /* What type of content being displayed. Used in the title bar. */ | |
1230 | const char *type; | |
1231 | /* Draw one line; @lineno must be < view->height. */ | |
5dcf8064 | 1232 | bool (*draw)(struct view *view, struct line *line, unsigned int lineno, bool selected); |
fe7233c3 | 1233 | /* Read one line; updates view->line. */ |
701e4f5d | 1234 | bool (*read)(struct view *view, char *data); |
fe7233c3 JF |
1235 | /* Depending on view, change display based on current line. */ |
1236 | bool (*enter)(struct view *view, struct line *line); | |
4af34daa JF |
1237 | /* Search for regex in a line. */ |
1238 | bool (*grep)(struct view *view, struct line *line); | |
d720de4b JF |
1239 | /* Select line */ |
1240 | void (*select)(struct view *view, struct line *line); | |
fe7233c3 JF |
1241 | }; |
1242 | ||
6b161b31 JF |
1243 | static struct view_ops pager_ops; |
1244 | static struct view_ops main_ops; | |
e733ee54 JF |
1245 | static struct view_ops tree_ops; |
1246 | static struct view_ops blob_ops; | |
a28bcc22 | 1247 | |
04e2b7b2 JF |
1248 | #define VIEW_STR(name, cmd, env, ref, ops, map) \ |
1249 | { name, cmd, #env, ref, ops, map} | |
1ba2ae4b | 1250 | |
95d7ddcd | 1251 | #define VIEW_(id, name, ops, ref) \ |
04e2b7b2 | 1252 | VIEW_STR(name, TIG_##id##_CMD, TIG_##id##_CMD, ref, ops, KEYMAP_##id) |
1ba2ae4b | 1253 | |
c2124ccd | 1254 | |
b801d8b2 | 1255 | static struct view views[] = { |
95d7ddcd JF |
1256 | VIEW_(MAIN, "main", &main_ops, ref_head), |
1257 | VIEW_(DIFF, "diff", &pager_ops, ref_commit), | |
1258 | VIEW_(LOG, "log", &pager_ops, ref_head), | |
e733ee54 JF |
1259 | VIEW_(TREE, "tree", &tree_ops, ref_commit), |
1260 | VIEW_(BLOB, "blob", &blob_ops, ref_blob), | |
95d7ddcd JF |
1261 | VIEW_(HELP, "help", &pager_ops, "static"), |
1262 | VIEW_(PAGER, "pager", &pager_ops, "static"), | |
b801d8b2 JF |
1263 | }; |
1264 | ||
a28bcc22 JF |
1265 | #define VIEW(req) (&views[(req) - REQ_OFFSET - 1]) |
1266 | ||
699ae55b JF |
1267 | #define foreach_view(view, i) \ |
1268 | for (i = 0; i < ARRAY_SIZE(views) && (view = &views[i]); i++) | |
1269 | ||
1270 | #define view_is_displayed(view) \ | |
1271 | (view == display[0] || view == display[1]) | |
4c6fabc2 | 1272 | |
fe7233c3 JF |
1273 | static bool |
1274 | draw_view_line(struct view *view, unsigned int lineno) | |
1275 | { | |
d720de4b | 1276 | struct line *line; |
5dcf8064 | 1277 | bool selected = (view->offset + lineno == view->lineno); |
4887d44e | 1278 | bool draw_ok; |
d720de4b | 1279 | |
699ae55b JF |
1280 | assert(view_is_displayed(view)); |
1281 | ||
fe7233c3 JF |
1282 | if (view->offset + lineno >= view->lines) |
1283 | return FALSE; | |
1284 | ||
d720de4b JF |
1285 | line = &view->line[view->offset + lineno]; |
1286 | ||
3c571d67 JF |
1287 | if (selected) { |
1288 | line->selected = TRUE; | |
d720de4b | 1289 | view->ops->select(view, line); |
3c571d67 JF |
1290 | } else if (line->selected) { |
1291 | line->selected = FALSE; | |
1292 | wmove(view->win, lineno, 0); | |
1293 | wclrtoeol(view->win); | |
1294 | } | |
d720de4b | 1295 | |
4887d44e JF |
1296 | scrollok(view->win, FALSE); |
1297 | draw_ok = view->ops->draw(view, line, lineno, selected); | |
1298 | scrollok(view->win, TRUE); | |
1299 | ||
1300 | return draw_ok; | |
fe7233c3 JF |
1301 | } |
1302 | ||
b801d8b2 | 1303 | static void |
82e78006 | 1304 | redraw_view_from(struct view *view, int lineno) |
b801d8b2 | 1305 | { |
82e78006 | 1306 | assert(0 <= lineno && lineno < view->height); |
b801d8b2 | 1307 | |
82e78006 | 1308 | for (; lineno < view->height; lineno++) { |
fe7233c3 | 1309 | if (!draw_view_line(view, lineno)) |
fd85fef1 | 1310 | break; |
b801d8b2 JF |
1311 | } |
1312 | ||
1313 | redrawwin(view->win); | |
ab4af23e JF |
1314 | if (input_mode) |
1315 | wnoutrefresh(view->win); | |
1316 | else | |
1317 | wrefresh(view->win); | |
b801d8b2 JF |
1318 | } |
1319 | ||
b76c2afc | 1320 | static void |
82e78006 JF |
1321 | redraw_view(struct view *view) |
1322 | { | |
1323 | wclear(view->win); | |
1324 | redraw_view_from(view, 0); | |
1325 | } | |
1326 | ||
c2124ccd | 1327 | |
6b161b31 | 1328 | static void |
81030ec8 JF |
1329 | update_view_title(struct view *view) |
1330 | { | |
3c112a88 | 1331 | char buf[SIZEOF_STR]; |
71d1c7db JF |
1332 | char state[SIZEOF_STR]; |
1333 | size_t bufpos = 0, statelen = 0; | |
81030ec8 | 1334 | |
3c112a88 | 1335 | assert(view_is_displayed(view)); |
81030ec8 | 1336 | |
c19f8017 | 1337 | if (view->lines || view->pipe) { |
6d9c07af | 1338 | unsigned int view_lines = view->offset + view->height; |
c19f8017 | 1339 | unsigned int lines = view->lines |
6d9c07af | 1340 | ? MIN(view_lines, view->lines) * 100 / view->lines |
c19f8017 JF |
1341 | : 0; |
1342 | ||
71d1c7db | 1343 | string_format_from(state, &statelen, "- %s %d of %d (%d%%)", |
3c112a88 JF |
1344 | view->ops->type, |
1345 | view->lineno + 1, | |
1346 | view->lines, | |
1347 | lines); | |
81030ec8 | 1348 | |
5becf244 JF |
1349 | if (view->pipe) { |
1350 | time_t secs = time(NULL) - view->start_time; | |
f97f4012 | 1351 | |
5becf244 JF |
1352 | /* Three git seconds are a long time ... */ |
1353 | if (secs > 2) | |
71d1c7db | 1354 | string_format_from(state, &statelen, " %lds", secs); |
5becf244 | 1355 | } |
81030ec8 JF |
1356 | } |
1357 | ||
71d1c7db JF |
1358 | string_format_from(buf, &bufpos, "[%s]", view->name); |
1359 | if (*view->ref && bufpos < view->width) { | |
1360 | size_t refsize = strlen(view->ref); | |
1361 | size_t minsize = bufpos + 1 + /* abbrev= */ 7 + 1 + statelen; | |
1362 | ||
1363 | if (minsize < view->width) | |
1364 | refsize = view->width - minsize + 7; | |
1365 | string_format_from(buf, &bufpos, " %.*s", refsize, view->ref); | |
1366 | } | |
f97f4012 | 1367 | |
71d1c7db JF |
1368 | if (statelen && bufpos < view->width) { |
1369 | string_format_from(buf, &bufpos, " %s", state); | |
f97f4012 JF |
1370 | } |
1371 | ||
3c112a88 JF |
1372 | if (view == display[current_view]) |
1373 | wbkgdset(view->title, get_line_attr(LINE_TITLE_FOCUS)); | |
1374 | else | |
1375 | wbkgdset(view->title, get_line_attr(LINE_TITLE_BLUR)); | |
1376 | ||
3c112a88 | 1377 | mvwaddnstr(view->title, 0, 0, buf, bufpos); |
390a8262 | 1378 | wclrtoeol(view->title); |
976447f8 | 1379 | wmove(view->title, 0, view->width - 1); |
ab4af23e JF |
1380 | |
1381 | if (input_mode) | |
1382 | wnoutrefresh(view->title); | |
1383 | else | |
1384 | wrefresh(view->title); | |
81030ec8 JF |
1385 | } |
1386 | ||
1387 | static void | |
6b161b31 | 1388 | resize_display(void) |
b76c2afc | 1389 | { |
03a93dbb | 1390 | int offset, i; |
6b161b31 JF |
1391 | struct view *base = display[0]; |
1392 | struct view *view = display[1] ? display[1] : display[0]; | |
b76c2afc | 1393 | |
6b161b31 | 1394 | /* Setup window dimensions */ |
b76c2afc | 1395 | |
03a93dbb | 1396 | getmaxyx(stdscr, base->height, base->width); |
b76c2afc | 1397 | |
6b161b31 | 1398 | /* Make room for the status window. */ |
03a93dbb | 1399 | base->height -= 1; |
6b161b31 JF |
1400 | |
1401 | if (view != base) { | |
03a93dbb JF |
1402 | /* Horizontal split. */ |
1403 | view->width = base->width; | |
6b161b31 JF |
1404 | view->height = SCALE_SPLIT_VIEW(base->height); |
1405 | base->height -= view->height; | |
1406 | ||
1407 | /* Make room for the title bar. */ | |
1408 | view->height -= 1; | |
1409 | } | |
1410 | ||
1411 | /* Make room for the title bar. */ | |
1412 | base->height -= 1; | |
1413 | ||
1414 | offset = 0; | |
1415 | ||
33c4f9ea | 1416 | foreach_displayed_view (view, i) { |
b76c2afc | 1417 | if (!view->win) { |
c19f8017 | 1418 | view->win = newwin(view->height, 0, offset, 0); |
6b161b31 JF |
1419 | if (!view->win) |
1420 | die("Failed to create %s view", view->name); | |
1421 | ||
1422 | scrollok(view->win, TRUE); | |
1423 | ||
1424 | view->title = newwin(1, 0, offset + view->height, 0); | |
1425 | if (!view->title) | |
1426 | die("Failed to create title window"); | |
1427 | ||
1428 | } else { | |
c19f8017 | 1429 | wresize(view->win, view->height, view->width); |
6b161b31 JF |
1430 | mvwin(view->win, offset, 0); |
1431 | mvwin(view->title, offset + view->height, 0); | |
a28bcc22 | 1432 | } |
a28bcc22 | 1433 | |
6b161b31 | 1434 | offset += view->height + 1; |
b76c2afc | 1435 | } |
6b161b31 | 1436 | } |
b76c2afc | 1437 | |
6b161b31 | 1438 | static void |
20bb5e18 JF |
1439 | redraw_display(void) |
1440 | { | |
1441 | struct view *view; | |
1442 | int i; | |
1443 | ||
33c4f9ea | 1444 | foreach_displayed_view (view, i) { |
20bb5e18 JF |
1445 | redraw_view(view); |
1446 | update_view_title(view); | |
1447 | } | |
1448 | } | |
1449 | ||
85af6284 | 1450 | static void |
2bee3bde | 1451 | update_display_cursor(struct view *view) |
85af6284 | 1452 | { |
85af6284 JF |
1453 | /* Move the cursor to the right-most column of the cursor line. |
1454 | * | |
1455 | * XXX: This could turn out to be a bit expensive, but it ensures that | |
1456 | * the cursor does not jump around. */ | |
1457 | if (view->lines) { | |
1458 | wmove(view->win, view->lineno - view->offset, view->width - 1); | |
1459 | wrefresh(view->win); | |
1460 | } | |
1461 | } | |
20bb5e18 | 1462 | |
2e8488b4 JF |
1463 | /* |
1464 | * Navigation | |
1465 | */ | |
1466 | ||
4a2909a7 | 1467 | /* Scrolling backend */ |
b801d8b2 | 1468 | static void |
8c317212 | 1469 | do_scroll_view(struct view *view, int lines) |
b801d8b2 | 1470 | { |
a0087dd5 JF |
1471 | bool redraw_current_line = FALSE; |
1472 | ||
fd85fef1 JF |
1473 | /* The rendering expects the new offset. */ |
1474 | view->offset += lines; | |
1475 | ||
1476 | assert(0 <= view->offset && view->offset < view->lines); | |
1477 | assert(lines); | |
b801d8b2 | 1478 | |
a0087dd5 JF |
1479 | /* Move current line into the view. */ |
1480 | if (view->lineno < view->offset) { | |
1481 | view->lineno = view->offset; | |
1482 | redraw_current_line = TRUE; | |
1483 | } else if (view->lineno >= view->offset + view->height) { | |
1484 | view->lineno = view->offset + view->height - 1; | |
1485 | redraw_current_line = TRUE; | |
1486 | } | |
1487 | ||
1488 | assert(view->offset <= view->lineno && view->lineno < view->lines); | |
1489 | ||
82e78006 | 1490 | /* Redraw the whole screen if scrolling is pointless. */ |
4c6fabc2 | 1491 | if (view->height < ABS(lines)) { |
b76c2afc JF |
1492 | redraw_view(view); |
1493 | ||
1494 | } else { | |
22f66b0a | 1495 | int line = lines > 0 ? view->height - lines : 0; |
82e78006 | 1496 | int end = line + ABS(lines); |
fd85fef1 JF |
1497 | |
1498 | wscrl(view->win, lines); | |
1499 | ||
22f66b0a | 1500 | for (; line < end; line++) { |
fe7233c3 | 1501 | if (!draw_view_line(view, line)) |
fd85fef1 JF |
1502 | break; |
1503 | } | |
fd85fef1 | 1504 | |
a0087dd5 JF |
1505 | if (redraw_current_line) |
1506 | draw_view_line(view, view->lineno - view->offset); | |
fd85fef1 JF |
1507 | } |
1508 | ||
fd85fef1 JF |
1509 | redrawwin(view->win); |
1510 | wrefresh(view->win); | |
9d3f5834 | 1511 | report(""); |
fd85fef1 | 1512 | } |
78c70acd | 1513 | |
4a2909a7 | 1514 | /* Scroll frontend */ |
fd85fef1 | 1515 | static void |
6b161b31 | 1516 | scroll_view(struct view *view, enum request request) |
fd85fef1 JF |
1517 | { |
1518 | int lines = 1; | |
b801d8b2 | 1519 | |
8c317212 JF |
1520 | assert(view_is_displayed(view)); |
1521 | ||
b801d8b2 | 1522 | switch (request) { |
4a2909a7 | 1523 | case REQ_SCROLL_PAGE_DOWN: |
fd85fef1 | 1524 | lines = view->height; |
4a2909a7 | 1525 | case REQ_SCROLL_LINE_DOWN: |
b801d8b2 | 1526 | if (view->offset + lines > view->lines) |
bde3653a | 1527 | lines = view->lines - view->offset; |
b801d8b2 | 1528 | |
fd85fef1 | 1529 | if (lines == 0 || view->offset + view->height >= view->lines) { |
eb98559e | 1530 | report("Cannot scroll beyond the last line"); |
b801d8b2 JF |
1531 | return; |
1532 | } | |
1533 | break; | |
1534 | ||
4a2909a7 | 1535 | case REQ_SCROLL_PAGE_UP: |
fd85fef1 | 1536 | lines = view->height; |
4a2909a7 | 1537 | case REQ_SCROLL_LINE_UP: |
b801d8b2 JF |
1538 | if (lines > view->offset) |
1539 | lines = view->offset; | |
1540 | ||
1541 | if (lines == 0) { | |
eb98559e | 1542 | report("Cannot scroll beyond the first line"); |
b801d8b2 JF |
1543 | return; |
1544 | } | |
1545 | ||
fd85fef1 | 1546 | lines = -lines; |
b801d8b2 | 1547 | break; |
03a93dbb | 1548 | |
6b161b31 JF |
1549 | default: |
1550 | die("request %d not handled in switch", request); | |
b801d8b2 JF |
1551 | } |
1552 | ||
8c317212 | 1553 | do_scroll_view(view, lines); |
fd85fef1 | 1554 | } |
b801d8b2 | 1555 | |
4a2909a7 | 1556 | /* Cursor moving */ |
fd85fef1 | 1557 | static void |
8522ecc7 | 1558 | move_view(struct view *view, enum request request) |
fd85fef1 | 1559 | { |
dfaa6c81 | 1560 | int scroll_steps = 0; |
fd85fef1 | 1561 | int steps; |
b801d8b2 | 1562 | |
fd85fef1 | 1563 | switch (request) { |
4a2909a7 | 1564 | case REQ_MOVE_FIRST_LINE: |
78c70acd JF |
1565 | steps = -view->lineno; |
1566 | break; | |
1567 | ||
4a2909a7 | 1568 | case REQ_MOVE_LAST_LINE: |
78c70acd JF |
1569 | steps = view->lines - view->lineno - 1; |
1570 | break; | |
1571 | ||
4a2909a7 | 1572 | case REQ_MOVE_PAGE_UP: |
78c70acd JF |
1573 | steps = view->height > view->lineno |
1574 | ? -view->lineno : -view->height; | |
1575 | break; | |
1576 | ||
4a2909a7 | 1577 | case REQ_MOVE_PAGE_DOWN: |
78c70acd JF |
1578 | steps = view->lineno + view->height >= view->lines |
1579 | ? view->lines - view->lineno - 1 : view->height; | |
1580 | break; | |
1581 | ||
4a2909a7 | 1582 | case REQ_MOVE_UP: |
fd85fef1 JF |
1583 | steps = -1; |
1584 | break; | |
b801d8b2 | 1585 | |
4a2909a7 | 1586 | case REQ_MOVE_DOWN: |
fd85fef1 JF |
1587 | steps = 1; |
1588 | break; | |
6b161b31 JF |
1589 | |
1590 | default: | |
1591 | die("request %d not handled in switch", request); | |
78c70acd | 1592 | } |
b801d8b2 | 1593 | |
4c6fabc2 | 1594 | if (steps <= 0 && view->lineno == 0) { |
eb98559e | 1595 | report("Cannot move beyond the first line"); |
78c70acd | 1596 | return; |
b801d8b2 | 1597 | |
6908bdbd | 1598 | } else if (steps >= 0 && view->lineno + 1 >= view->lines) { |
eb98559e | 1599 | report("Cannot move beyond the last line"); |
78c70acd | 1600 | return; |
fd85fef1 JF |
1601 | } |
1602 | ||
4c6fabc2 | 1603 | /* Move the current line */ |
fd85fef1 | 1604 | view->lineno += steps; |
4c6fabc2 JF |
1605 | assert(0 <= view->lineno && view->lineno < view->lines); |
1606 | ||
4c6fabc2 | 1607 | /* Check whether the view needs to be scrolled */ |
fd85fef1 JF |
1608 | if (view->lineno < view->offset || |
1609 | view->lineno >= view->offset + view->height) { | |
dfaa6c81 | 1610 | scroll_steps = steps; |
fd85fef1 | 1611 | if (steps < 0 && -steps > view->offset) { |
dfaa6c81 | 1612 | scroll_steps = -view->offset; |
b76c2afc JF |
1613 | |
1614 | } else if (steps > 0) { | |
1615 | if (view->lineno == view->lines - 1 && | |
1616 | view->lines > view->height) { | |
dfaa6c81 JF |
1617 | scroll_steps = view->lines - view->offset - 1; |
1618 | if (scroll_steps >= view->height) | |
1619 | scroll_steps -= view->height - 1; | |
b76c2afc | 1620 | } |
b801d8b2 | 1621 | } |
8522ecc7 JF |
1622 | } |
1623 | ||
1624 | if (!view_is_displayed(view)) { | |
1625 | view->offset += steps; | |
1626 | view->ops->select(view, &view->line[view->lineno]); | |
1627 | return; | |
1628 | } | |
1629 | ||
1630 | /* Repaint the old "current" line if we be scrolling */ | |
1631 | if (ABS(steps) < view->height) | |
1632 | draw_view_line(view, view->lineno - steps - view->offset); | |
1633 | ||
dfaa6c81 JF |
1634 | if (scroll_steps) { |
1635 | do_scroll_view(view, scroll_steps); | |
fd85fef1 | 1636 | return; |
b801d8b2 JF |
1637 | } |
1638 | ||
4c6fabc2 | 1639 | /* Draw the current line */ |
fe7233c3 | 1640 | draw_view_line(view, view->lineno - view->offset); |
fd85fef1 | 1641 | |
b801d8b2 JF |
1642 | redrawwin(view->win); |
1643 | wrefresh(view->win); | |
9d3f5834 | 1644 | report(""); |
b801d8b2 JF |
1645 | } |
1646 | ||
b801d8b2 | 1647 | |
2e8488b4 | 1648 | /* |
4af34daa JF |
1649 | * Searching |
1650 | */ | |
1651 | ||
c02d8fce | 1652 | static void search_view(struct view *view, enum request request); |
4af34daa JF |
1653 | |
1654 | static bool | |
1655 | find_next_line(struct view *view, unsigned long lineno, struct line *line) | |
1656 | { | |
699ae55b JF |
1657 | assert(view_is_displayed(view)); |
1658 | ||
4af34daa JF |
1659 | if (!view->ops->grep(view, line)) |
1660 | return FALSE; | |
1661 | ||
1662 | if (lineno - view->offset >= view->height) { | |
1663 | view->offset = lineno; | |
1664 | view->lineno = lineno; | |
1665 | redraw_view(view); | |
1666 | ||
1667 | } else { | |
1668 | unsigned long old_lineno = view->lineno - view->offset; | |
1669 | ||
1670 | view->lineno = lineno; | |
4af34daa JF |
1671 | draw_view_line(view, old_lineno); |
1672 | ||
1673 | draw_view_line(view, view->lineno - view->offset); | |
1674 | redrawwin(view->win); | |
1675 | wrefresh(view->win); | |
1676 | } | |
1677 | ||
1678 | report("Line %ld matches '%s'", lineno + 1, view->grep); | |
1679 | return TRUE; | |
1680 | } | |
1681 | ||
1682 | static void | |
1683 | find_next(struct view *view, enum request request) | |
1684 | { | |
1685 | unsigned long lineno = view->lineno; | |
1686 | int direction; | |
1687 | ||
1688 | if (!*view->grep) { | |
1689 | if (!*opt_search) | |
1690 | report("No previous search"); | |
1691 | else | |
c02d8fce | 1692 | search_view(view, request); |
4af34daa JF |
1693 | return; |
1694 | } | |
1695 | ||
1696 | switch (request) { | |
1697 | case REQ_SEARCH: | |
1698 | case REQ_FIND_NEXT: | |
1699 | direction = 1; | |
1700 | break; | |
1701 | ||
1702 | case REQ_SEARCH_BACK: | |
1703 | case REQ_FIND_PREV: | |
1704 | direction = -1; | |
1705 | break; | |
1706 | ||
1707 | default: | |
1708 | return; | |
1709 | } | |
1710 | ||
1711 | if (request == REQ_FIND_NEXT || request == REQ_FIND_PREV) | |
1712 | lineno += direction; | |
1713 | ||
1714 | /* Note, lineno is unsigned long so will wrap around in which case it | |
1715 | * will become bigger than view->lines. */ | |
1716 | for (; lineno < view->lines; lineno += direction) { | |
1717 | struct line *line = &view->line[lineno]; | |
1718 | ||
1719 | if (find_next_line(view, lineno, line)) | |
1720 | return; | |
1721 | } | |
1722 | ||
1723 | report("No match found for '%s'", view->grep); | |
1724 | } | |
1725 | ||
1726 | static void | |
c02d8fce | 1727 | search_view(struct view *view, enum request request) |
4af34daa JF |
1728 | { |
1729 | int regex_err; | |
1730 | ||
b77b2cb8 JF |
1731 | if (view->regex) { |
1732 | regfree(view->regex); | |
4af34daa | 1733 | *view->grep = 0; |
b77b2cb8 JF |
1734 | } else { |
1735 | view->regex = calloc(1, sizeof(*view->regex)); | |
1736 | if (!view->regex) | |
1737 | return; | |
4af34daa JF |
1738 | } |
1739 | ||
c02d8fce | 1740 | regex_err = regcomp(view->regex, opt_search, REG_EXTENDED); |
4af34daa JF |
1741 | if (regex_err != 0) { |
1742 | char buf[SIZEOF_STR] = "unknown error"; | |
1743 | ||
b77b2cb8 | 1744 | regerror(regex_err, view->regex, buf, sizeof(buf)); |
e9cacd58 | 1745 | report("Search failed: %s", buf); |
4af34daa JF |
1746 | return; |
1747 | } | |
1748 | ||
c02d8fce | 1749 | string_copy(view->grep, opt_search); |
4af34daa JF |
1750 | |
1751 | find_next(view, request); | |
1752 | } | |
1753 | ||
1754 | /* | |
2e8488b4 JF |
1755 | * Incremental updating |
1756 | */ | |
b801d8b2 | 1757 | |
199d1288 JF |
1758 | static void |
1759 | end_update(struct view *view) | |
1760 | { | |
1761 | if (!view->pipe) | |
1762 | return; | |
1763 | set_nonblocking_input(FALSE); | |
1764 | if (view->pipe == stdin) | |
1765 | fclose(view->pipe); | |
1766 | else | |
1767 | pclose(view->pipe); | |
1768 | view->pipe = NULL; | |
1769 | } | |
1770 | ||
03a93dbb | 1771 | static bool |
b801d8b2 JF |
1772 | begin_update(struct view *view) |
1773 | { | |
4685845e | 1774 | const char *id = view->id; |
fd85fef1 | 1775 | |
199d1288 JF |
1776 | if (view->pipe) |
1777 | end_update(view); | |
1778 | ||
03a93dbb JF |
1779 | if (opt_cmd[0]) { |
1780 | string_copy(view->cmd, opt_cmd); | |
1781 | opt_cmd[0] = 0; | |
8855ada4 JF |
1782 | /* When running random commands, the view ref could have become |
1783 | * invalid so clear it. */ | |
1784 | view->ref[0] = 0; | |
e733ee54 JF |
1785 | |
1786 | } else if (view == VIEW(REQ_VIEW_TREE)) { | |
1787 | const char *format = view->cmd_env ? view->cmd_env : view->cmd_fmt; | |
1788 | ||
1789 | if (strcmp(view->vid, view->id)) | |
1790 | opt_path[0] = 0; | |
1791 | ||
4ea4ce91 | 1792 | if (!string_format(view->cmd, format, id, opt_path)) |
e733ee54 JF |
1793 | return FALSE; |
1794 | ||
03a93dbb | 1795 | } else { |
4685845e | 1796 | const char *format = view->cmd_env ? view->cmd_env : view->cmd_fmt; |
1ba2ae4b | 1797 | |
cc2d1364 | 1798 | if (!string_format(view->cmd, format, id, id, id, id, id)) |
03a93dbb JF |
1799 | return FALSE; |
1800 | } | |
b801d8b2 | 1801 | |
6908bdbd JF |
1802 | /* Special case for the pager view. */ |
1803 | if (opt_pipe) { | |
1804 | view->pipe = opt_pipe; | |
1805 | opt_pipe = NULL; | |
1806 | } else { | |
1807 | view->pipe = popen(view->cmd, "r"); | |
1808 | } | |
1809 | ||
2e8488b4 JF |
1810 | if (!view->pipe) |
1811 | return FALSE; | |
b801d8b2 | 1812 | |
6b161b31 | 1813 | set_nonblocking_input(TRUE); |
b801d8b2 JF |
1814 | |
1815 | view->offset = 0; | |
1816 | view->lines = 0; | |
1817 | view->lineno = 0; | |
49f2b43f | 1818 | string_copy(view->vid, id); |
b801d8b2 | 1819 | |
2e8488b4 JF |
1820 | if (view->line) { |
1821 | int i; | |
1822 | ||
1823 | for (i = 0; i < view->lines; i++) | |
fe7233c3 JF |
1824 | if (view->line[i].data) |
1825 | free(view->line[i].data); | |
2e8488b4 JF |
1826 | |
1827 | free(view->line); | |
1828 | view->line = NULL; | |
1829 | } | |
1830 | ||
1831 | view->start_time = time(NULL); | |
1832 | ||
b801d8b2 JF |
1833 | return TRUE; |
1834 | } | |
1835 | ||
e2c01617 JF |
1836 | static struct line * |
1837 | realloc_lines(struct view *view, size_t line_size) | |
1838 | { | |
1839 | struct line *tmp = realloc(view->line, sizeof(*view->line) * line_size); | |
1840 | ||
1841 | if (!tmp) | |
1842 | return NULL; | |
1843 | ||
1844 | view->line = tmp; | |
1845 | view->line_size = line_size; | |
1846 | return view->line; | |
1847 | } | |
1848 | ||
03a93dbb | 1849 | static bool |
b801d8b2 JF |
1850 | update_view(struct view *view) |
1851 | { | |
6b68fd24 JF |
1852 | char in_buffer[BUFSIZ]; |
1853 | char out_buffer[BUFSIZ * 2]; | |
b801d8b2 | 1854 | char *line; |
82e78006 JF |
1855 | /* The number of lines to read. If too low it will cause too much |
1856 | * redrawing (and possible flickering), if too high responsiveness | |
1857 | * will suffer. */ | |
8855ada4 | 1858 | unsigned long lines = view->height; |
82e78006 | 1859 | int redraw_from = -1; |
b801d8b2 JF |
1860 | |
1861 | if (!view->pipe) | |
1862 | return TRUE; | |
1863 | ||
82e78006 JF |
1864 | /* Only redraw if lines are visible. */ |
1865 | if (view->offset + view->height >= view->lines) | |
1866 | redraw_from = view->lines - view->offset; | |
b801d8b2 | 1867 | |
699ae55b | 1868 | /* FIXME: This is probably not perfect for backgrounded views. */ |
e2c01617 | 1869 | if (!realloc_lines(view, view->lines + lines)) |
b801d8b2 JF |
1870 | goto alloc_error; |
1871 | ||
6b68fd24 JF |
1872 | while ((line = fgets(in_buffer, sizeof(in_buffer), view->pipe))) { |
1873 | size_t linelen = strlen(line); | |
b801d8b2 | 1874 | |
b801d8b2 JF |
1875 | if (linelen) |
1876 | line[linelen - 1] = 0; | |
1877 | ||
6b68fd24 JF |
1878 | if (opt_iconv != ICONV_NONE) { |
1879 | char *inbuf = line; | |
1880 | size_t inlen = linelen; | |
1881 | ||
1882 | char *outbuf = out_buffer; | |
1883 | size_t outlen = sizeof(out_buffer); | |
1884 | ||
1885 | size_t ret; | |
1886 | ||
7361622d | 1887 | ret = iconv(opt_iconv, &inbuf, &inlen, &outbuf, &outlen); |
6b68fd24 JF |
1888 | if (ret != (size_t) -1) { |
1889 | line = out_buffer; | |
1890 | linelen = strlen(out_buffer); | |
1891 | } | |
1892 | } | |
1893 | ||
701e4f5d | 1894 | if (!view->ops->read(view, line)) |
b801d8b2 | 1895 | goto alloc_error; |
fd85fef1 JF |
1896 | |
1897 | if (lines-- == 1) | |
1898 | break; | |
b801d8b2 JF |
1899 | } |
1900 | ||
8855ada4 JF |
1901 | { |
1902 | int digits; | |
1903 | ||
1904 | lines = view->lines; | |
1905 | for (digits = 0; lines; digits++) | |
1906 | lines /= 10; | |
1907 | ||
1908 | /* Keep the displayed view in sync with line number scaling. */ | |
1909 | if (digits != view->digits) { | |
1910 | view->digits = digits; | |
1911 | redraw_from = 0; | |
1912 | } | |
1913 | } | |
1914 | ||
699ae55b JF |
1915 | if (!view_is_displayed(view)) |
1916 | goto check_pipe; | |
1917 | ||
e733ee54 JF |
1918 | if (view == VIEW(REQ_VIEW_TREE)) { |
1919 | /* Clear the view and redraw everything since the tree sorting | |
1920 | * might have rearranged things. */ | |
1921 | redraw_view(view); | |
1922 | ||
1923 | } else if (redraw_from >= 0) { | |
82e78006 | 1924 | /* If this is an incremental update, redraw the previous line |
a28bcc22 JF |
1925 | * since for commits some members could have changed when |
1926 | * loading the main view. */ | |
82e78006 JF |
1927 | if (redraw_from > 0) |
1928 | redraw_from--; | |
1929 | ||
1930 | /* Incrementally draw avoids flickering. */ | |
1931 | redraw_view_from(view, redraw_from); | |
4c6fabc2 | 1932 | } |
b801d8b2 | 1933 | |
eb98559e JF |
1934 | /* Update the title _after_ the redraw so that if the redraw picks up a |
1935 | * commit reference in view->ref it'll be available here. */ | |
1936 | update_view_title(view); | |
1937 | ||
699ae55b | 1938 | check_pipe: |
b801d8b2 | 1939 | if (ferror(view->pipe)) { |
03a93dbb | 1940 | report("Failed to read: %s", strerror(errno)); |
b801d8b2 JF |
1941 | goto end; |
1942 | ||
1943 | } else if (feof(view->pipe)) { | |
f97f4012 | 1944 | report(""); |
b801d8b2 JF |
1945 | goto end; |
1946 | } | |
1947 | ||
1948 | return TRUE; | |
1949 | ||
1950 | alloc_error: | |
2e8488b4 | 1951 | report("Allocation failure"); |
b801d8b2 JF |
1952 | |
1953 | end: | |
be04d936 | 1954 | view->ops->read(view, NULL); |
b801d8b2 JF |
1955 | end_update(view); |
1956 | return FALSE; | |
1957 | } | |
1958 | ||
79d445ca | 1959 | |
e10154d5 JF |
1960 | /* |
1961 | * View opening | |
1962 | */ | |
1963 | ||
79d445ca JF |
1964 | static void open_help_view(struct view *view) |
1965 | { | |
1966 | char buf[BUFSIZ]; | |
1967 | int lines = ARRAY_SIZE(req_info) + 2; | |
1968 | int i; | |
1969 | ||
1970 | if (view->lines > 0) | |
1971 | return; | |
1972 | ||
1973 | for (i = 0; i < ARRAY_SIZE(req_info); i++) | |
1974 | if (!req_info[i].request) | |
1975 | lines++; | |
1976 | ||
1977 | view->line = calloc(lines, sizeof(*view->line)); | |
1978 | if (!view->line) { | |
1979 | report("Allocation failure"); | |
1980 | return; | |
1981 | } | |
1982 | ||
1983 | view->ops->read(view, "Quick reference for tig keybindings:"); | |
1984 | ||
1985 | for (i = 0; i < ARRAY_SIZE(req_info); i++) { | |
1986 | char *key; | |
1987 | ||
1988 | if (!req_info[i].request) { | |
1989 | view->ops->read(view, ""); | |
1990 | view->ops->read(view, req_info[i].help); | |
1991 | continue; | |
1992 | } | |
1993 | ||
1994 | key = get_key(req_info[i].request); | |
1995 | if (!string_format(buf, "%-25s %s", key, req_info[i].help)) | |
1996 | continue; | |
1997 | ||
1998 | view->ops->read(view, buf); | |
1999 | } | |
2000 | } | |
2001 | ||
49f2b43f JF |
2002 | enum open_flags { |
2003 | OPEN_DEFAULT = 0, /* Use default view switching. */ | |
2004 | OPEN_SPLIT = 1, /* Split current view. */ | |
2005 | OPEN_BACKGROUNDED = 2, /* Backgrounded. */ | |
2006 | OPEN_RELOAD = 4, /* Reload view even if it is the current. */ | |
2007 | }; | |
2008 | ||
6b161b31 | 2009 | static void |
49f2b43f | 2010 | open_view(struct view *prev, enum request request, enum open_flags flags) |
b801d8b2 | 2011 | { |
49f2b43f JF |
2012 | bool backgrounded = !!(flags & OPEN_BACKGROUNDED); |
2013 | bool split = !!(flags & OPEN_SPLIT); | |
2014 | bool reload = !!(flags & OPEN_RELOAD); | |
a28bcc22 | 2015 | struct view *view = VIEW(request); |
9f41488f | 2016 | int nviews = displayed_views(); |
6e950a52 | 2017 | struct view *base_view = display[0]; |
b801d8b2 | 2018 | |
49f2b43f | 2019 | if (view == prev && nviews == 1 && !reload) { |
6b161b31 JF |
2020 | report("Already in %s view", view->name); |
2021 | return; | |
2022 | } | |
b801d8b2 | 2023 | |
2509b112 | 2024 | if (view == VIEW(REQ_VIEW_HELP)) { |
79d445ca | 2025 | open_help_view(view); |
2509b112 JF |
2026 | |
2027 | } else if ((reload || strcmp(view->vid, view->id)) && | |
2028 | !begin_update(view)) { | |
6b161b31 JF |
2029 | report("Failed to load %s view", view->name); |
2030 | return; | |
2031 | } | |
a28bcc22 | 2032 | |
6b161b31 | 2033 | if (split) { |
8d741c06 | 2034 | display[1] = view; |
6b161b31 | 2035 | if (!backgrounded) |
8d741c06 | 2036 | current_view = 1; |
6b161b31 JF |
2037 | } else { |
2038 | /* Maximize the current view. */ | |
2039 | memset(display, 0, sizeof(display)); | |
2040 | current_view = 0; | |
2041 | display[current_view] = view; | |
a28bcc22 | 2042 | } |
b801d8b2 | 2043 | |
6e950a52 JF |
2044 | /* Resize the view when switching between split- and full-screen, |
2045 | * or when switching between two different full-screen views. */ | |
2046 | if (nviews != displayed_views() || | |
2047 | (nviews == 1 && base_view != display[0])) | |
a006db63 | 2048 | resize_display(); |
b801d8b2 | 2049 | |
a8891802 | 2050 | if (split && prev->lineno - prev->offset >= prev->height) { |
03a93dbb | 2051 | /* Take the title line into account. */ |
eb98559e | 2052 | int lines = prev->lineno - prev->offset - prev->height + 1; |
03a93dbb JF |
2053 | |
2054 | /* Scroll the view that was split if the current line is | |
2055 | * outside the new limited view. */ | |
8c317212 | 2056 | do_scroll_view(prev, lines); |
03a93dbb JF |
2057 | } |
2058 | ||
6b161b31 | 2059 | if (prev && view != prev) { |
9b995f0c | 2060 | if (split && !backgrounded) { |
f0b3ab80 JF |
2061 | /* "Blur" the previous view. */ |
2062 | update_view_title(prev); | |
9f396969 | 2063 | } |
f0b3ab80 | 2064 | |
f6da0b66 | 2065 | view->parent = prev; |
b801d8b2 JF |
2066 | } |
2067 | ||
9f396969 | 2068 | if (view->pipe && view->lines == 0) { |
03a93dbb JF |
2069 | /* Clear the old view and let the incremental updating refill |
2070 | * the screen. */ | |
2071 | wclear(view->win); | |
f97f4012 | 2072 | report(""); |
03a93dbb JF |
2073 | } else { |
2074 | redraw_view(view); | |
24b5b3e0 | 2075 | report(""); |
03a93dbb | 2076 | } |
6706b2ba JF |
2077 | |
2078 | /* If the view is backgrounded the above calls to report() | |
2079 | * won't redraw the view title. */ | |
2080 | if (backgrounded) | |
2081 | update_view_title(view); | |
b801d8b2 JF |
2082 | } |
2083 | ||
2084 | ||
6b161b31 JF |
2085 | /* |
2086 | * User request switch noodle | |
2087 | */ | |
2088 | ||
b801d8b2 | 2089 | static int |
6b161b31 | 2090 | view_driver(struct view *view, enum request request) |
b801d8b2 | 2091 | { |
b801d8b2 JF |
2092 | int i; |
2093 | ||
2094 | switch (request) { | |
4a2909a7 JF |
2095 | case REQ_MOVE_UP: |
2096 | case REQ_MOVE_DOWN: | |
2097 | case REQ_MOVE_PAGE_UP: | |
2098 | case REQ_MOVE_PAGE_DOWN: | |
2099 | case REQ_MOVE_FIRST_LINE: | |
2100 | case REQ_MOVE_LAST_LINE: | |
8522ecc7 | 2101 | move_view(view, request); |
fd85fef1 JF |
2102 | break; |
2103 | ||
4a2909a7 JF |
2104 | case REQ_SCROLL_LINE_DOWN: |
2105 | case REQ_SCROLL_LINE_UP: | |
2106 | case REQ_SCROLL_PAGE_DOWN: | |
2107 | case REQ_SCROLL_PAGE_UP: | |
a28bcc22 | 2108 | scroll_view(view, request); |
b801d8b2 JF |
2109 | break; |
2110 | ||
e733ee54 JF |
2111 | case REQ_VIEW_BLOB: |
2112 | if (!ref_blob[0]) { | |
2113 | report("No file chosen, press 't' to open tree view"); | |
2114 | break; | |
2115 | } | |
2116 | /* Fall-through */ | |
4a2909a7 | 2117 | case REQ_VIEW_MAIN: |
4a2909a7 | 2118 | case REQ_VIEW_DIFF: |
2e8488b4 | 2119 | case REQ_VIEW_LOG: |
e733ee54 | 2120 | case REQ_VIEW_TREE: |
2e8488b4 | 2121 | case REQ_VIEW_HELP: |
6908bdbd | 2122 | case REQ_VIEW_PAGER: |
49f2b43f | 2123 | open_view(view, request, OPEN_DEFAULT); |
b801d8b2 JF |
2124 | break; |
2125 | ||
b3a54cba JF |
2126 | case REQ_NEXT: |
2127 | case REQ_PREVIOUS: | |
2128 | request = request == REQ_NEXT ? REQ_MOVE_DOWN : REQ_MOVE_UP; | |
2129 | ||
e733ee54 JF |
2130 | if ((view == VIEW(REQ_VIEW_DIFF) && |
2131 | view->parent == VIEW(REQ_VIEW_MAIN)) || | |
2132 | (view == VIEW(REQ_VIEW_BLOB) && | |
2133 | view->parent == VIEW(REQ_VIEW_TREE))) { | |
b3a54cba | 2134 | view = view->parent; |
8522ecc7 JF |
2135 | move_view(view, request); |
2136 | if (view_is_displayed(view)) | |
f0b3ab80 | 2137 | update_view_title(view); |
b3a54cba | 2138 | } else { |
8522ecc7 | 2139 | move_view(view, request); |
b3a54cba JF |
2140 | break; |
2141 | } | |
6706b2ba JF |
2142 | /* Fall-through */ |
2143 | ||
6b161b31 | 2144 | case REQ_ENTER: |
6908bdbd JF |
2145 | if (!view->lines) { |
2146 | report("Nothing to enter"); | |
2147 | break; | |
2148 | } | |
fe7233c3 | 2149 | return view->ops->enter(view, &view->line[view->lineno]); |
6b161b31 | 2150 | |
03a93dbb JF |
2151 | case REQ_VIEW_NEXT: |
2152 | { | |
9f41488f | 2153 | int nviews = displayed_views(); |
03a93dbb JF |
2154 | int next_view = (current_view + 1) % nviews; |
2155 | ||
2156 | if (next_view == current_view) { | |
2157 | report("Only one view is displayed"); | |
2158 | break; | |
2159 | } | |
2160 | ||
2161 | current_view = next_view; | |
2162 | /* Blur out the title of the previous view. */ | |
2163 | update_view_title(view); | |
6734f6b9 | 2164 | report(""); |
03a93dbb JF |
2165 | break; |
2166 | } | |
24b5b3e0 | 2167 | case REQ_TOGGLE_LINENO: |
b76c2afc | 2168 | opt_line_number = !opt_line_number; |
20bb5e18 | 2169 | redraw_display(); |
b801d8b2 JF |
2170 | break; |
2171 | ||
54efb62b JF |
2172 | case REQ_TOGGLE_REV_GRAPH: |
2173 | opt_rev_graph = !opt_rev_graph; | |
2174 | redraw_display(); | |
2175 | break; | |
2176 | ||
03a93dbb | 2177 | case REQ_PROMPT: |
8855ada4 | 2178 | /* Always reload^Wrerun commands from the prompt. */ |
49f2b43f | 2179 | open_view(view, opt_request, OPEN_RELOAD); |
03a93dbb JF |
2180 | break; |
2181 | ||
4af34daa JF |
2182 | case REQ_SEARCH: |
2183 | case REQ_SEARCH_BACK: | |
c02d8fce | 2184 | search_view(view, request); |
4af34daa JF |
2185 | break; |
2186 | ||
2187 | case REQ_FIND_NEXT: | |
2188 | case REQ_FIND_PREV: | |
2189 | find_next(view, request); | |
2190 | break; | |
2191 | ||
4a2909a7 | 2192 | case REQ_STOP_LOADING: |
59a45d3a JF |
2193 | for (i = 0; i < ARRAY_SIZE(views); i++) { |
2194 | view = &views[i]; | |
2e8488b4 | 2195 | if (view->pipe) |
6a7bb912 | 2196 | report("Stopped loading the %s view", view->name), |
03a93dbb JF |
2197 | end_update(view); |
2198 | } | |
b801d8b2 JF |
2199 | break; |
2200 | ||
4a2909a7 | 2201 | case REQ_SHOW_VERSION: |
6cb291b7 | 2202 | report("%s (built %s)", VERSION, __DATE__); |
b801d8b2 JF |
2203 | return TRUE; |
2204 | ||
fac7db6c JF |
2205 | case REQ_SCREEN_RESIZE: |
2206 | resize_display(); | |
2207 | /* Fall-through */ | |
4a2909a7 | 2208 | case REQ_SCREEN_REDRAW: |
20bb5e18 | 2209 | redraw_display(); |
4a2909a7 JF |
2210 | break; |
2211 | ||
1d754561 | 2212 | case REQ_NONE: |
b801d8b2 JF |
2213 | doupdate(); |
2214 | return TRUE; | |
2215 | ||
4f9b667a | 2216 | case REQ_VIEW_CLOSE: |
2fcf5401 JF |
2217 | /* XXX: Mark closed views by letting view->parent point to the |
2218 | * view itself. Parents to closed view should never be | |
2219 | * followed. */ | |
2220 | if (view->parent && | |
2221 | view->parent->parent != view->parent) { | |
4f9b667a JF |
2222 | memset(display, 0, sizeof(display)); |
2223 | current_view = 0; | |
f6da0b66 | 2224 | display[current_view] = view->parent; |
2fcf5401 | 2225 | view->parent = view; |
4f9b667a JF |
2226 | resize_display(); |
2227 | redraw_display(); | |
2228 | break; | |
2229 | } | |
2230 | /* Fall-through */ | |
b801d8b2 JF |
2231 | case REQ_QUIT: |
2232 | return FALSE; | |
2233 | ||
2234 | default: | |
2e8488b4 | 2235 | /* An unknown key will show most commonly used commands. */ |
468876c9 | 2236 | report("Unknown key, press 'h' for help"); |
b801d8b2 JF |
2237 | return TRUE; |
2238 | } | |
2239 | ||
2240 | return TRUE; | |
2241 | } | |
2242 | ||
2243 | ||
2244 | /* | |
ff26aa29 | 2245 | * Pager backend |
b801d8b2 JF |
2246 | */ |
2247 | ||
6b161b31 | 2248 | static bool |
5dcf8064 | 2249 | pager_draw(struct view *view, struct line *line, unsigned int lineno, bool selected) |
b801d8b2 | 2250 | { |
fe7233c3 JF |
2251 | char *text = line->data; |
2252 | enum line_type type = line->type; | |
2253 | int textlen = strlen(text); | |
78c70acd | 2254 | int attr; |
b801d8b2 | 2255 | |
6706b2ba JF |
2256 | wmove(view->win, lineno, 0); |
2257 | ||
5dcf8064 | 2258 | if (selected) { |
78c70acd | 2259 | type = LINE_CURSOR; |
6706b2ba | 2260 | wchgat(view->win, -1, 0, type, NULL); |
fd85fef1 JF |
2261 | } |
2262 | ||
78c70acd | 2263 | attr = get_line_attr(type); |
b801d8b2 | 2264 | wattrset(view->win, attr); |
b76c2afc | 2265 | |
6706b2ba JF |
2266 | if (opt_line_number || opt_tab_size < TABSIZE) { |
2267 | static char spaces[] = " "; | |
2268 | int col_offset = 0, col = 0; | |
2269 | ||
2270 | if (opt_line_number) { | |
2271 | unsigned long real_lineno = view->offset + lineno + 1; | |
82e78006 | 2272 | |
6706b2ba JF |
2273 | if (real_lineno == 1 || |
2274 | (real_lineno % opt_num_interval) == 0) { | |
2275 | wprintw(view->win, "%.*d", view->digits, real_lineno); | |
8855ada4 | 2276 | |
6706b2ba JF |
2277 | } else { |
2278 | waddnstr(view->win, spaces, | |
2279 | MIN(view->digits, STRING_SIZE(spaces))); | |
2280 | } | |
2281 | waddstr(view->win, ": "); | |
2282 | col_offset = view->digits + 2; | |
2283 | } | |
8855ada4 | 2284 | |
fe7233c3 | 2285 | while (text && col_offset + col < view->width) { |
6706b2ba | 2286 | int cols_max = view->width - col_offset - col; |
fe7233c3 | 2287 | char *pos = text; |
6706b2ba | 2288 | int cols; |
4c6fabc2 | 2289 | |
fe7233c3 JF |
2290 | if (*text == '\t') { |
2291 | text++; | |
6706b2ba | 2292 | assert(sizeof(spaces) > TABSIZE); |
fe7233c3 | 2293 | pos = spaces; |
6706b2ba | 2294 | cols = opt_tab_size - (col % opt_tab_size); |
82e78006 | 2295 | |
b76c2afc | 2296 | } else { |
fe7233c3 JF |
2297 | text = strchr(text, '\t'); |
2298 | cols = line ? text - pos : strlen(pos); | |
b76c2afc | 2299 | } |
6706b2ba | 2300 | |
fe7233c3 | 2301 | waddnstr(view->win, pos, MIN(cols, cols_max)); |
6706b2ba | 2302 | col += cols; |
b76c2afc | 2303 | } |
b76c2afc JF |
2304 | |
2305 | } else { | |
6706b2ba | 2306 | int col = 0, pos = 0; |
b801d8b2 | 2307 | |
fe7233c3 JF |
2308 | for (; pos < textlen && col < view->width; pos++, col++) |
2309 | if (text[pos] == '\t') | |
6706b2ba JF |
2310 | col += TABSIZE - (col % TABSIZE) - 1; |
2311 | ||
fe7233c3 | 2312 | waddnstr(view->win, text, pos); |
6706b2ba | 2313 | } |
2e8488b4 | 2314 | |
b801d8b2 JF |
2315 | return TRUE; |
2316 | } | |
2317 | ||
dc23c0e3 | 2318 | static bool |
d65ced0d | 2319 | add_describe_ref(char *buf, size_t *bufpos, char *commit_id, const char *sep) |
dc23c0e3 | 2320 | { |
17482b11 | 2321 | char refbuf[SIZEOF_STR]; |
dc23c0e3 JF |
2322 | char *ref = NULL; |
2323 | FILE *pipe; | |
2324 | ||
d3c345f7 | 2325 | if (!string_format(refbuf, "git describe %s 2>/dev/null", commit_id)) |
dc23c0e3 JF |
2326 | return TRUE; |
2327 | ||
2328 | pipe = popen(refbuf, "r"); | |
2329 | if (!pipe) | |
2330 | return TRUE; | |
2331 | ||
2332 | if ((ref = fgets(refbuf, sizeof(refbuf), pipe))) | |
2333 | ref = chomp_string(ref); | |
2334 | pclose(pipe); | |
2335 | ||
2336 | if (!ref || !*ref) | |
2337 | return TRUE; | |
2338 | ||
2339 | /* This is the only fatal call, since it can "corrupt" the buffer. */ | |
17482b11 | 2340 | if (!string_nformat(buf, SIZEOF_STR, bufpos, "%s%s", sep, ref)) |
dc23c0e3 JF |
2341 | return FALSE; |
2342 | ||
2343 | return TRUE; | |
2344 | } | |
2345 | ||
7b99a34c JF |
2346 | static void |
2347 | add_pager_refs(struct view *view, struct line *line) | |
2348 | { | |
17482b11 | 2349 | char buf[SIZEOF_STR]; |
c9ca1ec3 | 2350 | char *commit_id = line->data + STRING_SIZE("commit "); |
7b99a34c | 2351 | struct ref **refs; |
d65ced0d | 2352 | size_t bufpos = 0, refpos = 0; |
7b99a34c | 2353 | const char *sep = "Refs: "; |
dc23c0e3 | 2354 | bool is_tag = FALSE; |
7b99a34c JF |
2355 | |
2356 | assert(line->type == LINE_COMMIT); | |
2357 | ||
c9ca1ec3 | 2358 | refs = get_refs(commit_id); |
dc23c0e3 JF |
2359 | if (!refs) { |
2360 | if (view == VIEW(REQ_VIEW_DIFF)) | |
2361 | goto try_add_describe_ref; | |
7b99a34c | 2362 | return; |
dc23c0e3 | 2363 | } |
7b99a34c JF |
2364 | |
2365 | do { | |
cc2d1364 | 2366 | struct ref *ref = refs[refpos]; |
e15ec88e JF |
2367 | char *fmt = ref->tag ? "%s[%s]" : |
2368 | ref->remote ? "%s<%s>" : "%s%s"; | |
7b99a34c | 2369 | |
cc2d1364 JF |
2370 | if (!string_format_from(buf, &bufpos, fmt, sep, ref->name)) |
2371 | return; | |
7b99a34c | 2372 | sep = ", "; |
dc23c0e3 JF |
2373 | if (ref->tag) |
2374 | is_tag = TRUE; | |
7b99a34c JF |
2375 | } while (refs[refpos++]->next); |
2376 | ||
dc23c0e3 JF |
2377 | if (!is_tag && view == VIEW(REQ_VIEW_DIFF)) { |
2378 | try_add_describe_ref: | |
d42c8a35 | 2379 | /* Add <tag>-g<commit_id> "fake" reference. */ |
dc23c0e3 JF |
2380 | if (!add_describe_ref(buf, &bufpos, commit_id, sep)) |
2381 | return; | |
2382 | } | |
2383 | ||
d42c8a35 JF |
2384 | if (bufpos == 0) |
2385 | return; | |
2386 | ||
cc2d1364 | 2387 | if (!realloc_lines(view, view->line_size + 1)) |
7b99a34c JF |
2388 | return; |
2389 | ||
2390 | line = &view->line[view->lines]; | |
2391 | line->data = strdup(buf); | |
2392 | if (!line->data) | |
2393 | return; | |
2394 | ||
2395 | line->type = LINE_PP_REFS; | |
2396 | view->lines++; | |
2397 | } | |
2398 | ||
6b161b31 | 2399 | static bool |
701e4f5d | 2400 | pager_read(struct view *view, char *data) |
22f66b0a | 2401 | { |
7b99a34c | 2402 | struct line *line = &view->line[view->lines]; |
22f66b0a | 2403 | |
be04d936 JF |
2404 | if (!data) |
2405 | return TRUE; | |
2406 | ||
7b99a34c JF |
2407 | line->data = strdup(data); |
2408 | if (!line->data) | |
2409 | return FALSE; | |
fe7233c3 | 2410 | |
7b99a34c | 2411 | line->type = get_line_type(line->data); |
22f66b0a | 2412 | view->lines++; |
7b99a34c JF |
2413 | |
2414 | if (line->type == LINE_COMMIT && | |
2415 | (view == VIEW(REQ_VIEW_DIFF) || | |
2416 | view == VIEW(REQ_VIEW_LOG))) | |
2417 | add_pager_refs(view, line); | |
2418 | ||
22f66b0a JF |
2419 | return TRUE; |
2420 | } | |
2421 | ||
6b161b31 | 2422 | static bool |
fe7233c3 | 2423 | pager_enter(struct view *view, struct line *line) |
6b161b31 | 2424 | { |
91e8e277 | 2425 | int split = 0; |
6b161b31 | 2426 | |
9fbbd28f JF |
2427 | if (line->type == LINE_COMMIT && |
2428 | (view == VIEW(REQ_VIEW_LOG) || | |
2429 | view == VIEW(REQ_VIEW_PAGER))) { | |
91e8e277 JF |
2430 | open_view(view, REQ_VIEW_DIFF, OPEN_SPLIT); |
2431 | split = 1; | |
67e48ac5 JF |
2432 | } |
2433 | ||
91e8e277 JF |
2434 | /* Always scroll the view even if it was split. That way |
2435 | * you can use Enter to scroll through the log view and | |
2436 | * split open each commit diff. */ | |
2437 | scroll_view(view, REQ_SCROLL_LINE_DOWN); | |
2438 | ||
2439 | /* FIXME: A minor workaround. Scrolling the view will call report("") | |
9d82d824 JF |
2440 | * but if we are scrolling a non-current view this won't properly |
2441 | * update the view title. */ | |
91e8e277 JF |
2442 | if (split) |
2443 | update_view_title(view); | |
6b161b31 JF |
2444 | |
2445 | return TRUE; | |
2446 | } | |
2447 | ||
4af34daa JF |
2448 | static bool |
2449 | pager_grep(struct view *view, struct line *line) | |
2450 | { | |
2451 | regmatch_t pmatch; | |
2452 | char *text = line->data; | |
2453 | ||
2454 | if (!*text) | |
2455 | return FALSE; | |
2456 | ||
b77b2cb8 | 2457 | if (regexec(view->regex, text, 1, &pmatch, 0) == REG_NOMATCH) |
4af34daa JF |
2458 | return FALSE; |
2459 | ||
2460 | return TRUE; | |
2461 | } | |
2462 | ||
d720de4b JF |
2463 | static void |
2464 | pager_select(struct view *view, struct line *line) | |
2465 | { | |
2466 | if (line->type == LINE_COMMIT) { | |
2467 | char *text = line->data; | |
2468 | ||
5dcf8064 | 2469 | string_copy(view->ref, text + STRING_SIZE("commit ")); |
d720de4b JF |
2470 | string_copy(ref_commit, view->ref); |
2471 | } | |
2472 | } | |
2473 | ||
6b161b31 | 2474 | static struct view_ops pager_ops = { |
6734f6b9 | 2475 | "line", |
6b161b31 JF |
2476 | pager_draw, |
2477 | pager_read, | |
2478 | pager_enter, | |
4af34daa | 2479 | pager_grep, |
d720de4b | 2480 | pager_select, |
6b161b31 JF |
2481 | }; |
2482 | ||
80ce96ea | 2483 | |
ff26aa29 | 2484 | /* |
e733ee54 JF |
2485 | * Tree backend |
2486 | */ | |
2487 | ||
4795d620 | 2488 | /* Parse output from git-ls-tree(1): |
e733ee54 JF |
2489 | * |
2490 | * 100644 blob fb0e31ea6cc679b7379631188190e975f5789c26 Makefile | |
2491 | * 100644 blob 5304ca4260aaddaee6498f9630e7d471b8591ea6 README | |
2492 | * 100644 blob f931e1d229c3e185caad4449bf5b66ed72462657 tig.c | |
2493 | * 100644 blob ed09fe897f3c7c9af90bcf80cae92558ea88ae38 web.conf | |
2494 | */ | |
2495 | ||
2496 | #define SIZEOF_TREE_ATTR \ | |
2497 | STRING_SIZE("100644 blob ed09fe897f3c7c9af90bcf80cae92558ea88ae38\t") | |
2498 | ||
2499 | #define TREE_UP_FORMAT "040000 tree %s\t.." | |
2500 | ||
2501 | static int | |
2502 | tree_compare_entry(enum line_type type1, char *name1, | |
2503 | enum line_type type2, char *name2) | |
2504 | { | |
2505 | if (type1 != type2) { | |
2506 | if (type1 == LINE_TREE_DIR) | |
2507 | return -1; | |
2508 | return 1; | |
2509 | } | |
2510 | ||
2511 | return strcmp(name1, name2); | |
2512 | } | |
2513 | ||
2514 | static bool | |
2515 | tree_read(struct view *view, char *text) | |
2516 | { | |
be04d936 | 2517 | size_t textlen = text ? strlen(text) : 0; |
e733ee54 JF |
2518 | char buf[SIZEOF_STR]; |
2519 | unsigned long pos; | |
2520 | enum line_type type; | |
f88a5319 | 2521 | bool first_read = view->lines == 0; |
e733ee54 JF |
2522 | |
2523 | if (textlen <= SIZEOF_TREE_ATTR) | |
2524 | return FALSE; | |
2525 | ||
2526 | type = text[STRING_SIZE("100644 ")] == 't' | |
2527 | ? LINE_TREE_DIR : LINE_TREE_FILE; | |
2528 | ||
f88a5319 | 2529 | if (first_read) { |
e733ee54 | 2530 | /* Add path info line */ |
4ea4ce91 | 2531 | if (string_format(buf, "Directory path /%s", opt_path) && |
e733ee54 JF |
2532 | realloc_lines(view, view->line_size + 1) && |
2533 | pager_read(view, buf)) | |
2534 | view->line[view->lines - 1].type = LINE_DEFAULT; | |
2535 | else | |
2536 | return FALSE; | |
2537 | ||
2538 | /* Insert "link" to parent directory. */ | |
2539 | if (*opt_path && | |
4ea4ce91 | 2540 | string_format(buf, TREE_UP_FORMAT, view->ref) && |
e733ee54 JF |
2541 | realloc_lines(view, view->line_size + 1) && |
2542 | pager_read(view, buf)) | |
2543 | view->line[view->lines - 1].type = LINE_TREE_DIR; | |
2544 | else if (*opt_path) | |
2545 | return FALSE; | |
2546 | } | |
2547 | ||
2548 | /* Strip the path part ... */ | |
2549 | if (*opt_path) { | |
2550 | size_t pathlen = textlen - SIZEOF_TREE_ATTR; | |
2551 | size_t striplen = strlen(opt_path); | |
2552 | char *path = text + SIZEOF_TREE_ATTR; | |
2553 | ||
2554 | if (pathlen > striplen) | |
2555 | memmove(path, path + striplen, | |
2556 | pathlen - striplen + 1); | |
2557 | } | |
2558 | ||
2559 | /* Skip "Directory ..." and ".." line. */ | |
2560 | for (pos = 1 + !!*opt_path; pos < view->lines; pos++) { | |
2561 | struct line *line = &view->line[pos]; | |
2562 | char *path1 = ((char *) line->data) + SIZEOF_TREE_ATTR; | |
2563 | char *path2 = text + SIZEOF_TREE_ATTR; | |
2564 | int cmp = tree_compare_entry(line->type, path1, type, path2); | |
2565 | ||
2566 | if (cmp <= 0) | |
2567 | continue; | |
2568 | ||
2569 | text = strdup(text); | |
2570 | if (!text) | |
2571 | return FALSE; | |
2572 | ||
2573 | if (view->lines > pos) | |
2574 | memmove(&view->line[pos + 1], &view->line[pos], | |
2575 | (view->lines - pos) * sizeof(*line)); | |
2576 | ||
2577 | line = &view->line[pos]; | |
2578 | line->data = text; | |
2579 | line->type = type; | |
2580 | view->lines++; | |
2581 | return TRUE; | |
2582 | } | |
2583 | ||
2584 | if (!pager_read(view, text)) | |
2585 | return FALSE; | |
2586 | ||
f88a5319 JF |
2587 | /* Move the current line to the first tree entry. */ |
2588 | if (first_read) | |
2589 | view->lineno++; | |
2590 | ||
e733ee54 JF |
2591 | view->line[view->lines - 1].type = type; |
2592 | return TRUE; | |
2593 | } | |
2594 | ||
2595 | static bool | |
2596 | tree_enter(struct view *view, struct line *line) | |
2597 | { | |
aac64c17 | 2598 | enum open_flags flags; |
e733ee54 JF |
2599 | enum request request; |
2600 | ||
2601 | switch (line->type) { | |
2602 | case LINE_TREE_DIR: | |
2603 | /* Depending on whether it is a subdir or parent (updir?) link | |
2604 | * mangle the path buffer. */ | |
2605 | if (line == &view->line[1] && *opt_path) { | |
2606 | size_t path_len = strlen(opt_path); | |
2607 | char *dirsep = opt_path + path_len - 1; | |
2608 | ||
2609 | while (dirsep > opt_path && dirsep[-1] != '/') | |
2610 | dirsep--; | |
2611 | ||
2612 | dirsep[0] = 0; | |
2613 | ||
2614 | } else { | |
d65ced0d | 2615 | size_t pathlen = strlen(opt_path); |
4ea4ce91 | 2616 | size_t origlen = pathlen; |
4795d620 | 2617 | char *data = line->data; |
e733ee54 JF |
2618 | char *basename = data + SIZEOF_TREE_ATTR; |
2619 | ||
4038038f | 2620 | if (!string_format_from(opt_path, &pathlen, "%s/", basename)) { |
4ea4ce91 JF |
2621 | opt_path[origlen] = 0; |
2622 | return TRUE; | |
2623 | } | |
e733ee54 JF |
2624 | } |
2625 | ||
2626 | /* Trees and subtrees share the same ID, so they are not not | |
2627 | * unique like blobs. */ | |
aac64c17 | 2628 | flags = OPEN_RELOAD; |
e733ee54 JF |
2629 | request = REQ_VIEW_TREE; |
2630 | break; | |
2631 | ||
2632 | case LINE_TREE_FILE: | |
aac64c17 | 2633 | flags = display[0] == view ? OPEN_SPLIT : OPEN_DEFAULT; |
e733ee54 JF |
2634 | request = REQ_VIEW_BLOB; |
2635 | break; | |
2636 | ||
2637 | default: | |
2638 | return TRUE; | |
2639 | } | |
2640 | ||
2641 | open_view(view, request, flags); | |
2642 | ||
e733ee54 JF |
2643 | return TRUE; |
2644 | } | |
2645 | ||
d720de4b JF |
2646 | static void |
2647 | tree_select(struct view *view, struct line *line) | |
2648 | { | |
73c76ef5 JF |
2649 | char *text = line->data; |
2650 | ||
2651 | text += STRING_SIZE("100644 blob "); | |
2652 | ||
2653 | if (line->type == LINE_TREE_FILE) { | |
2654 | string_ncopy(ref_blob, text, 40); | |
2655 | /* Also update the blob view's ref, since all there must always | |
2656 | * be in sync. */ | |
2657 | string_copy(VIEW(REQ_VIEW_BLOB)->ref, ref_blob); | |
d720de4b | 2658 | |
ebbaf4fe JF |
2659 | } else if (line->type != LINE_TREE_DIR) { |
2660 | return; | |
d720de4b | 2661 | } |
ebbaf4fe JF |
2662 | |
2663 | string_ncopy(view->ref, text, 40); | |
d720de4b JF |
2664 | } |
2665 | ||
e733ee54 JF |
2666 | static struct view_ops tree_ops = { |
2667 | "file", | |
2668 | pager_draw, | |
2669 | tree_read, | |
2670 | tree_enter, | |
2671 | pager_grep, | |
d720de4b | 2672 | tree_select, |
e733ee54 JF |
2673 | }; |
2674 | ||
2675 | static bool | |
2676 | blob_read(struct view *view, char *line) | |
2677 | { | |
2678 | bool state = pager_read(view, line); | |
2679 | ||
2680 | if (state == TRUE) | |
2681 | view->line[view->lines - 1].type = LINE_DEFAULT; | |
2682 | ||
2683 | return state; | |
2684 | } | |
2685 | ||
2686 | static struct view_ops blob_ops = { | |
2687 | "line", | |
2688 | pager_draw, | |
2689 | blob_read, | |
2690 | pager_enter, | |
2691 | pager_grep, | |
d720de4b | 2692 | pager_select, |
e733ee54 JF |
2693 | }; |
2694 | ||
2695 | ||
2696 | /* | |
ccc33449 | 2697 | * Revision graph |
ff26aa29 JF |
2698 | */ |
2699 | ||
2700 | struct commit { | |
10446330 | 2701 | char id[SIZEOF_REV]; /* SHA1 ID. */ |
aea510c8 | 2702 | char title[128]; /* First line of the commit message. */ |
54efb62b JF |
2703 | char author[75]; /* Author of the commit. */ |
2704 | struct tm time; /* Date from the author ident. */ | |
2705 | struct ref **refs; /* Repository references. */ | |
2706 | chtype graph[SIZEOF_REVGRAPH]; /* Ancestry chain graphics. */ | |
2707 | size_t graph_size; /* The width of the graph array. */ | |
ff26aa29 | 2708 | }; |
c34d9c9f | 2709 | |
ccc33449 JF |
2710 | /* Size of rev graph with no "padding" columns */ |
2711 | #define SIZEOF_REVITEMS (SIZEOF_REVGRAPH - (SIZEOF_REVGRAPH / 2)) | |
2b757533 | 2712 | |
2ce5c87c JF |
2713 | struct rev_graph { |
2714 | struct rev_graph *prev, *next, *parents; | |
2b757533 JF |
2715 | char rev[SIZEOF_REVITEMS][SIZEOF_REV]; |
2716 | size_t size; | |
88757ebd JF |
2717 | struct commit *commit; |
2718 | size_t pos; | |
2b757533 JF |
2719 | }; |
2720 | ||
2b757533 | 2721 | /* Parents of the commit being visualized. */ |
446a5c36 | 2722 | static struct rev_graph graph_parents[4]; |
c8d60a25 | 2723 | |
c65a501a | 2724 | /* The current stack of revisions on the graph. */ |
446a5c36 JF |
2725 | static struct rev_graph graph_stacks[4] = { |
2726 | { &graph_stacks[3], &graph_stacks[1], &graph_parents[0] }, | |
c65a501a | 2727 | { &graph_stacks[0], &graph_stacks[2], &graph_parents[1] }, |
446a5c36 JF |
2728 | { &graph_stacks[1], &graph_stacks[3], &graph_parents[2] }, |
2729 | { &graph_stacks[2], &graph_stacks[0], &graph_parents[3] }, | |
c65a501a JF |
2730 | }; |
2731 | ||
9e43b9cd | 2732 | static inline bool |
2ce5c87c | 2733 | graph_parent_is_merge(struct rev_graph *graph) |
9e43b9cd JF |
2734 | { |
2735 | return graph->parents->size > 1; | |
2736 | } | |
2737 | ||
88757ebd | 2738 | static inline void |
2ce5c87c | 2739 | append_to_rev_graph(struct rev_graph *graph, chtype symbol) |
88757ebd | 2740 | { |
2c27faac JF |
2741 | struct commit *commit = graph->commit; |
2742 | ||
2743 | if (commit->graph_size < ARRAY_SIZE(commit->graph) - 1) | |
2744 | commit->graph[commit->graph_size++] = symbol; | |
88757ebd JF |
2745 | } |
2746 | ||
2b757533 | 2747 | static void |
2ce5c87c | 2748 | done_rev_graph(struct rev_graph *graph) |
987890af JF |
2749 | { |
2750 | if (graph_parent_is_merge(graph) && | |
2751 | graph->pos < graph->size - 1 && | |
2752 | graph->next->size == graph->size + graph->parents->size - 1) { | |
2753 | size_t i = graph->pos + graph->parents->size - 1; | |
2754 | ||
2755 | graph->commit->graph_size = i * 2; | |
2756 | while (i < graph->next->size - 1) { | |
2757 | append_to_rev_graph(graph, ' '); | |
2758 | append_to_rev_graph(graph, '\\'); | |
2759 | i++; | |
2760 | } | |
2761 | } | |
2762 | ||
2763 | graph->size = graph->pos = 0; | |
2764 | graph->commit = NULL; | |
2765 | memset(graph->parents, 0, sizeof(*graph->parents)); | |
2766 | } | |
2767 | ||
2768 | static void | |
2ce5c87c | 2769 | push_rev_graph(struct rev_graph *graph, char *parent) |
2b757533 | 2770 | { |
2fe894e6 JF |
2771 | int i; |
2772 | ||
2773 | /* "Collapse" duplicate parents lines. | |
2774 | * | |
2775 | * FIXME: This needs to also update update the drawn graph but | |
2776 | * for now it just serves as a method for pruning graph lines. */ | |
2777 | for (i = 0; i < graph->size; i++) | |
2778 | if (!strncmp(graph->rev[i], parent, SIZEOF_REV)) | |
2779 | return; | |
2b757533 | 2780 | |
2ce5c87c JF |
2781 | if (graph->size < SIZEOF_REVITEMS) { |
2782 | string_ncopy(graph->rev[graph->size++], parent, SIZEOF_REV); | |
2b757533 JF |
2783 | } |
2784 | } | |
2785 | ||
92507a24 JF |
2786 | static chtype |
2787 | get_rev_graph_symbol(struct rev_graph *graph) | |
2b757533 | 2788 | { |
92507a24 | 2789 | chtype symbol; |
2b757533 | 2790 | |
c65a501a | 2791 | if (graph->parents->size == 0) |
c8d60a25 | 2792 | symbol = REVGRAPH_INIT; |
18ffaa23 | 2793 | else if (graph_parent_is_merge(graph)) |
c8d60a25 | 2794 | symbol = REVGRAPH_MERGE; |
c65a501a | 2795 | else if (graph->pos >= graph->size) |
c8d60a25 | 2796 | symbol = REVGRAPH_BRANCH; |
2b757533 | 2797 | else |
c8d60a25 | 2798 | symbol = REVGRAPH_COMMIT; |
1dcb3bec | 2799 | |
92507a24 JF |
2800 | return symbol; |
2801 | } | |
2802 | ||
2803 | static void | |
2804 | draw_rev_graph(struct rev_graph *graph) | |
2805 | { | |
e937c2c8 JF |
2806 | struct rev_filler { |
2807 | chtype separator, line; | |
2808 | }; | |
2809 | enum { DEFAULT, RSHARP, RDIAG, LDIAG }; | |
2810 | static struct rev_filler fillers[] = { | |
2811 | { ' ', REVGRAPH_LINE }, | |
2812 | { '`', '.' }, | |
2813 | { '\'', ' ' }, | |
2814 | { '/', ' ' }, | |
e937c2c8 | 2815 | }; |
92507a24 | 2816 | chtype symbol = get_rev_graph_symbol(graph); |
e937c2c8 | 2817 | struct rev_filler *filler; |
92507a24 JF |
2818 | size_t i; |
2819 | ||
e937c2c8 | 2820 | filler = &fillers[DEFAULT]; |
110e948e | 2821 | |
c65a501a | 2822 | for (i = 0; i < graph->pos; i++) { |
e937c2c8 | 2823 | append_to_rev_graph(graph, filler->line); |
9e43b9cd | 2824 | if (graph_parent_is_merge(graph->prev) && |
e937c2c8 JF |
2825 | graph->prev->pos == i) |
2826 | filler = &fillers[RSHARP]; | |
2827 | ||
2828 | append_to_rev_graph(graph, filler->separator); | |
110e948e JF |
2829 | } |
2830 | ||
92507a24 | 2831 | /* Place the symbol for this revision. */ |
c65a501a | 2832 | append_to_rev_graph(graph, symbol); |
2b757533 | 2833 | |
e937c2c8 JF |
2834 | if (graph->prev->size > graph->size) |
2835 | filler = &fillers[RDIAG]; | |
2836 | else | |
2837 | filler = &fillers[DEFAULT]; | |
2838 | ||
c8d60a25 | 2839 | i++; |
2b757533 | 2840 | |
c65a501a | 2841 | for (; i < graph->size; i++) { |
e937c2c8 JF |
2842 | append_to_rev_graph(graph, filler->separator); |
2843 | append_to_rev_graph(graph, filler->line); | |
2844 | if (graph_parent_is_merge(graph->prev) && | |
2845 | i < graph->prev->pos + graph->parents->size) | |
2846 | filler = &fillers[RSHARP]; | |
2847 | if (graph->prev->size > graph->size) | |
2848 | filler = &fillers[LDIAG]; | |
c65a501a JF |
2849 | } |
2850 | ||
2851 | if (graph->prev->size > graph->size) { | |
e937c2c8 JF |
2852 | append_to_rev_graph(graph, filler->separator); |
2853 | if (filler->line != ' ') | |
2854 | append_to_rev_graph(graph, filler->line); | |
2b757533 | 2855 | } |
b5d8f208 JF |
2856 | } |
2857 | ||
61eed810 JF |
2858 | /* Prepare the next rev graph */ |
2859 | static void | |
2860 | prepare_rev_graph(struct rev_graph *graph) | |
b5d8f208 | 2861 | { |
b5d8f208 JF |
2862 | size_t i; |
2863 | ||
320df4ea | 2864 | /* First, traverse all lines of revisions up to the active one. */ |
c65a501a JF |
2865 | for (graph->pos = 0; graph->pos < graph->size; graph->pos++) { |
2866 | if (!strcmp(graph->rev[graph->pos], graph->commit->id)) | |
b5d8f208 | 2867 | break; |
b5d8f208 | 2868 | |
2ce5c87c | 2869 | push_rev_graph(graph->next, graph->rev[graph->pos]); |
b5d8f208 JF |
2870 | } |
2871 | ||
320df4ea | 2872 | /* Interleave the new revision parent(s). */ |
c65a501a | 2873 | for (i = 0; i < graph->parents->size; i++) |
2ce5c87c | 2874 | push_rev_graph(graph->next, graph->parents->rev[i]); |
b5d8f208 | 2875 | |
320df4ea | 2876 | /* Lastly, put any remaining revisions. */ |
c65a501a | 2877 | for (i = graph->pos + 1; i < graph->size; i++) |
2ce5c87c | 2878 | push_rev_graph(graph->next, graph->rev[i]); |
61eed810 JF |
2879 | } |
2880 | ||
2881 | static void | |
2882 | update_rev_graph(struct rev_graph *graph) | |
2883 | { | |
446a5c36 JF |
2884 | /* If this is the finalizing update ... */ |
2885 | if (graph->commit) | |
2886 | prepare_rev_graph(graph); | |
2887 | ||
2888 | /* Graph visualization needs a one rev look-ahead, | |
2889 | * so the first update doesn't visualize anything. */ | |
2890 | if (!graph->prev->commit) | |
2891 | return; | |
c65a501a | 2892 | |
61eed810 JF |
2893 | draw_rev_graph(graph->prev); |
2894 | done_rev_graph(graph->prev->prev); | |
2b757533 JF |
2895 | } |
2896 | ||
ccc33449 JF |
2897 | |
2898 | /* | |
2899 | * Main view backend | |
2900 | */ | |
2901 | ||
2902 | static bool | |
2903 | main_draw(struct view *view, struct line *line, unsigned int lineno, bool selected) | |
2904 | { | |
2905 | char buf[DATE_COLS + 1]; | |
2906 | struct commit *commit = line->data; | |
2907 | enum line_type type; | |
2908 | int col = 0; | |
2909 | size_t timelen; | |
2910 | size_t authorlen; | |
2911 | int trimmed = 1; | |
2912 | ||
2913 | if (!*commit->author) | |
2914 | return FALSE; | |
2915 | ||
2916 | wmove(view->win, lineno, col); | |
2917 | ||
2918 | if (selected) { | |
2919 | type = LINE_CURSOR; | |
2920 | wattrset(view->win, get_line_attr(type)); | |
2921 | wchgat(view->win, -1, 0, type, NULL); | |
2922 | ||
2923 | } else { | |
2924 | type = LINE_MAIN_COMMIT; | |
2925 | wattrset(view->win, get_line_attr(LINE_MAIN_DATE)); | |
2926 | } | |
2927 | ||
2928 | timelen = strftime(buf, sizeof(buf), DATE_FORMAT, &commit->time); | |
2929 | waddnstr(view->win, buf, timelen); | |
2930 | waddstr(view->win, " "); | |
2931 | ||
2932 | col += DATE_COLS; | |
2933 | wmove(view->win, lineno, col); | |
2934 | if (type != LINE_CURSOR) | |
2935 | wattrset(view->win, get_line_attr(LINE_MAIN_AUTHOR)); | |
2936 | ||
2937 | if (opt_utf8) { | |
2938 | authorlen = utf8_length(commit->author, AUTHOR_COLS - 2, &col, &trimmed); | |
2939 | } else { | |
2940 | authorlen = strlen(commit->author); | |
2941 | if (authorlen > AUTHOR_COLS - 2) { | |
2942 | authorlen = AUTHOR_COLS - 2; | |
2943 | trimmed = 1; | |
2944 | } | |
2945 | } | |
2946 | ||
2947 | if (trimmed) { | |
2948 | waddnstr(view->win, commit->author, authorlen); | |
2949 | if (type != LINE_CURSOR) | |
2950 | wattrset(view->win, get_line_attr(LINE_MAIN_DELIM)); | |
2951 | waddch(view->win, '~'); | |
2952 | } else { | |
2953 | waddstr(view->win, commit->author); | |
2954 | } | |
2955 | ||
2956 | col += AUTHOR_COLS; | |
2957 | if (type != LINE_CURSOR) | |
2958 | wattrset(view->win, A_NORMAL); | |
2959 | ||
2960 | if (opt_rev_graph && commit->graph_size) { | |
2961 | size_t i; | |
2962 | ||
2963 | wmove(view->win, lineno, col); | |
2964 | /* Using waddch() instead of waddnstr() ensures that | |
2965 | * they'll be rendered correctly for the cursor line. */ | |
2966 | for (i = 0; i < commit->graph_size; i++) | |
2967 | waddch(view->win, commit->graph[i]); | |
2968 | ||
8716b9ed | 2969 | waddch(view->win, ' '); |
ccc33449 JF |
2970 | col += commit->graph_size + 1; |
2971 | } | |
2972 | ||
2973 | wmove(view->win, lineno, col); | |
2974 | ||
2975 | if (commit->refs) { | |
2976 | size_t i = 0; | |
2977 | ||
2978 | do { | |
2979 | if (type == LINE_CURSOR) | |
2980 | ; | |
2981 | else if (commit->refs[i]->tag) | |
2982 | wattrset(view->win, get_line_attr(LINE_MAIN_TAG)); | |
e15ec88e JF |
2983 | else if (commit->refs[i]->remote) |
2984 | wattrset(view->win, get_line_attr(LINE_MAIN_REMOTE)); | |
ccc33449 JF |
2985 | else |
2986 | wattrset(view->win, get_line_attr(LINE_MAIN_REF)); | |
2987 | waddstr(view->win, "["); | |
2988 | waddstr(view->win, commit->refs[i]->name); | |
2989 | waddstr(view->win, "]"); | |
2990 | if (type != LINE_CURSOR) | |
2991 | wattrset(view->win, A_NORMAL); | |
2992 | waddstr(view->win, " "); | |
2993 | col += strlen(commit->refs[i]->name) + STRING_SIZE("[] "); | |
2994 | } while (commit->refs[i++]->next); | |
2995 | } | |
2996 | ||
2997 | if (type != LINE_CURSOR) | |
2998 | wattrset(view->win, get_line_attr(type)); | |
2999 | ||
3000 | { | |
3001 | int titlelen = strlen(commit->title); | |
3002 | ||
3003 | if (col + titlelen > view->width) | |
3004 | titlelen = view->width - col; | |
3005 | ||
3006 | waddnstr(view->win, commit->title, titlelen); | |
3007 | } | |
3008 | ||
3009 | return TRUE; | |
3010 | } | |
3011 | ||
4c6fabc2 | 3012 | /* Reads git log --pretty=raw output and parses it into the commit struct. */ |
6b161b31 | 3013 | static bool |
701e4f5d | 3014 | main_read(struct view *view, char *line) |
22f66b0a | 3015 | { |
2ce5c87c | 3016 | static struct rev_graph *graph = graph_stacks; |
be04d936 | 3017 | enum line_type type; |
701e4f5d JF |
3018 | struct commit *commit = view->lines |
3019 | ? view->line[view->lines - 1].data : NULL; | |
22f66b0a | 3020 | |
be04d936 | 3021 | if (!line) { |
446a5c36 | 3022 | update_rev_graph(graph); |
be04d936 JF |
3023 | return TRUE; |
3024 | } | |
3025 | ||
3026 | type = get_line_type(line); | |
3027 | ||
78c70acd JF |
3028 | switch (type) { |
3029 | case LINE_COMMIT: | |
22f66b0a JF |
3030 | commit = calloc(1, sizeof(struct commit)); |
3031 | if (!commit) | |
3032 | return FALSE; | |
3033 | ||
4c6fabc2 | 3034 | line += STRING_SIZE("commit "); |
b76c2afc | 3035 | |
fe7233c3 | 3036 | view->line[view->lines++].data = commit; |
82e78006 | 3037 | string_copy(commit->id, line); |
c34d9c9f | 3038 | commit->refs = get_refs(commit->id); |
c65a501a | 3039 | graph->commit = commit; |
2b757533 JF |
3040 | break; |
3041 | ||
3042 | case LINE_PARENT: | |
3043 | if (commit) { | |
3044 | line += STRING_SIZE("parent "); | |
2ce5c87c | 3045 | push_rev_graph(graph->parents, line); |
2b757533 | 3046 | } |
78c70acd | 3047 | break; |
22f66b0a | 3048 | |
8855ada4 | 3049 | case LINE_AUTHOR: |
b76c2afc | 3050 | { |
19c3ac60 JF |
3051 | /* Parse author lines where the name may be empty: |
3052 | * author <email@address.tld> 1138474660 +0100 | |
3053 | */ | |
4c6fabc2 | 3054 | char *ident = line + STRING_SIZE("author "); |
19c3ac60 JF |
3055 | char *nameend = strchr(ident, '<'); |
3056 | char *emailend = strchr(ident, '>'); | |
b76c2afc | 3057 | |
19c3ac60 | 3058 | if (!commit || !nameend || !emailend) |
fe7233c3 JF |
3059 | break; |
3060 | ||
c65a501a JF |
3061 | update_rev_graph(graph); |
3062 | graph = graph->next; | |
2b757533 | 3063 | |
19c3ac60 JF |
3064 | *nameend = *emailend = 0; |
3065 | ident = chomp_string(ident); | |
3066 | if (!*ident) { | |
3067 | ident = chomp_string(nameend + 1); | |
3068 | if (!*ident) | |
3069 | ident = "Unknown"; | |
b76c2afc JF |
3070 | } |
3071 | ||
82e78006 | 3072 | string_copy(commit->author, ident); |
b76c2afc | 3073 | |
4c6fabc2 | 3074 | /* Parse epoch and timezone */ |
19c3ac60 JF |
3075 | if (emailend[1] == ' ') { |
3076 | char *secs = emailend + 2; | |
3077 | char *zone = strchr(secs, ' '); | |
3078 | time_t time = (time_t) atol(secs); | |
b76c2afc | 3079 | |
4c6fabc2 | 3080 | if (zone && strlen(zone) == STRING_SIZE(" +0700")) { |
b76c2afc JF |
3081 | long tz; |
3082 | ||
3083 | zone++; | |
3084 | tz = ('0' - zone[1]) * 60 * 60 * 10; | |
3085 | tz += ('0' - zone[2]) * 60 * 60; | |
3086 | tz += ('0' - zone[3]) * 60; | |
3087 | tz += ('0' - zone[4]) * 60; | |
3088 | ||
3089 | if (zone[0] == '-') | |
3090 | tz = -tz; | |
3091 | ||
3092 | time -= tz; | |
3093 | } | |
19c3ac60 | 3094 | |
b76c2afc JF |
3095 | gmtime_r(&time, &commit->time); |
3096 | } | |
3097 | break; | |
3098 | } | |
78c70acd | 3099 | default: |
701e4f5d | 3100 | if (!commit) |
2e8488b4 JF |
3101 | break; |
3102 | ||
3103 | /* Fill in the commit title if it has not already been set. */ | |
2e8488b4 JF |
3104 | if (commit->title[0]) |
3105 | break; | |
3106 | ||
3107 | /* Require titles to start with a non-space character at the | |
3108 | * offset used by git log. */ | |
9073c64a JF |
3109 | if (strncmp(line, " ", 4)) |
3110 | break; | |
3111 | line += 4; | |
3112 | /* Well, if the title starts with a whitespace character, | |
3113 | * try to be forgiving. Otherwise we end up with no title. */ | |
3114 | while (isspace(*line)) | |
3115 | line++; | |
3116 | if (*line == '\0') | |
82e78006 | 3117 | break; |
9073c64a JF |
3118 | /* FIXME: More graceful handling of titles; append "..." to |
3119 | * shortened titles, etc. */ | |
82e78006 | 3120 | |
9073c64a | 3121 | string_copy(commit->title, line); |
22f66b0a JF |
3122 | } |
3123 | ||
3124 | return TRUE; | |
3125 | } | |
3126 | ||
6b161b31 | 3127 | static bool |
fe7233c3 | 3128 | main_enter(struct view *view, struct line *line) |
b801d8b2 | 3129 | { |
b3a54cba JF |
3130 | enum open_flags flags = display[0] == view ? OPEN_SPLIT : OPEN_DEFAULT; |
3131 | ||
3132 | open_view(view, REQ_VIEW_DIFF, flags); | |
6b161b31 | 3133 | return TRUE; |
b801d8b2 JF |
3134 | } |
3135 | ||
4af34daa JF |
3136 | static bool |
3137 | main_grep(struct view *view, struct line *line) | |
3138 | { | |
3139 | struct commit *commit = line->data; | |
3140 | enum { S_TITLE, S_AUTHOR, S_DATE, S_END } state; | |
3141 | char buf[DATE_COLS + 1]; | |
3142 | regmatch_t pmatch; | |
3143 | ||
3144 | for (state = S_TITLE; state < S_END; state++) { | |
3145 | char *text; | |
3146 | ||
3147 | switch (state) { | |
3148 | case S_TITLE: text = commit->title; break; | |
3149 | case S_AUTHOR: text = commit->author; break; | |
3150 | case S_DATE: | |
3151 | if (!strftime(buf, sizeof(buf), DATE_FORMAT, &commit->time)) | |
3152 | continue; | |
3153 | text = buf; | |
3154 | break; | |
3155 | ||
3156 | default: | |
3157 | return FALSE; | |
3158 | } | |
3159 | ||
b77b2cb8 | 3160 | if (regexec(view->regex, text, 1, &pmatch, 0) != REG_NOMATCH) |
4af34daa JF |
3161 | return TRUE; |
3162 | } | |
3163 | ||
3164 | return FALSE; | |
3165 | } | |
3166 | ||
d720de4b JF |
3167 | static void |
3168 | main_select(struct view *view, struct line *line) | |
3169 | { | |
3170 | struct commit *commit = line->data; | |
3171 | ||
3172 | string_copy(view->ref, commit->id); | |
3173 | string_copy(ref_commit, view->ref); | |
3174 | } | |
3175 | ||
6b161b31 | 3176 | static struct view_ops main_ops = { |
6734f6b9 | 3177 | "commit", |
6b161b31 JF |
3178 | main_draw, |
3179 | main_read, | |
3180 | main_enter, | |
4af34daa | 3181 | main_grep, |
d720de4b | 3182 | main_select, |
6b161b31 | 3183 | }; |
2e8488b4 | 3184 | |
c34d9c9f | 3185 | |
6b161b31 | 3186 | /* |
10e290ee JF |
3187 | * Unicode / UTF-8 handling |
3188 | * | |
3189 | * NOTE: Much of the following code for dealing with unicode is derived from | |
3190 | * ELinks' UTF-8 code developed by Scrool <scroolik@gmail.com>. Origin file is | |
3191 | * src/intl/charset.c from the utf8 branch commit elinks-0.11.0-g31f2c28. | |
3192 | */ | |
3193 | ||
3194 | /* I've (over)annotated a lot of code snippets because I am not entirely | |
3195 | * confident that the approach taken by this small UTF-8 interface is correct. | |
3196 | * --jonas */ | |
3197 | ||
3198 | static inline int | |
3199 | unicode_width(unsigned long c) | |
3200 | { | |
3201 | if (c >= 0x1100 && | |
3202 | (c <= 0x115f /* Hangul Jamo */ | |
3203 | || c == 0x2329 | |
3204 | || c == 0x232a | |
3205 | || (c >= 0x2e80 && c <= 0xa4cf && c != 0x303f) | |
f97f4012 | 3206 | /* CJK ... Yi */ |
10e290ee JF |
3207 | || (c >= 0xac00 && c <= 0xd7a3) /* Hangul Syllables */ |
3208 | || (c >= 0xf900 && c <= 0xfaff) /* CJK Compatibility Ideographs */ | |
3209 | || (c >= 0xfe30 && c <= 0xfe6f) /* CJK Compatibility Forms */ | |
3210 | || (c >= 0xff00 && c <= 0xff60) /* Fullwidth Forms */ | |
3211 | || (c >= 0xffe0 && c <= 0xffe6) | |
3212 | || (c >= 0x20000 && c <= 0x2fffd) | |
3213 | || (c >= 0x30000 && c <= 0x3fffd))) | |
3214 | return 2; | |
3215 | ||
3216 | return 1; | |
3217 | } | |
3218 | ||
3219 | /* Number of bytes used for encoding a UTF-8 character indexed by first byte. | |
3220 | * Illegal bytes are set one. */ | |
3221 | static const unsigned char utf8_bytes[256] = { | |
3222 | 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, | |
3223 | 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, | |
3224 | 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, | |
3225 | 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, | |
3226 | 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, | |
3227 | 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, | |
3228 | 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, | |
3229 | 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, | |
3230 | }; | |
3231 | ||
3232 | /* Decode UTF-8 multi-byte representation into a unicode character. */ | |
3233 | static inline unsigned long | |
3234 | utf8_to_unicode(const char *string, size_t length) | |
3235 | { | |
3236 | unsigned long unicode; | |
3237 | ||
3238 | switch (length) { | |
3239 | case 1: | |
3240 | unicode = string[0]; | |
3241 | break; | |
3242 | case 2: | |
3243 | unicode = (string[0] & 0x1f) << 6; | |
3244 | unicode += (string[1] & 0x3f); | |
3245 | break; | |
3246 | case 3: | |
3247 | unicode = (string[0] & 0x0f) << 12; | |
3248 | unicode += ((string[1] & 0x3f) << 6); | |
3249 | unicode += (string[2] & 0x3f); | |
3250 | break; | |
3251 | case 4: | |
3252 | unicode = (string[0] & 0x0f) << 18; | |
3253 | unicode += ((string[1] & 0x3f) << 12); | |
3254 | unicode += ((string[2] & 0x3f) << 6); | |
3255 | unicode += (string[3] & 0x3f); | |
3256 | break; | |
3257 | case 5: | |
3258 | unicode = (string[0] & 0x0f) << 24; | |
3259 | unicode += ((string[1] & 0x3f) << 18); | |
3260 | unicode += ((string[2] & 0x3f) << 12); | |
3261 | unicode += ((string[3] & 0x3f) << 6); | |
3262 | unicode += (string[4] & 0x3f); | |
3263 | break; | |
68b6e0eb | 3264 | case 6: |
10e290ee JF |
3265 | unicode = (string[0] & 0x01) << 30; |
3266 | unicode += ((string[1] & 0x3f) << 24); | |
3267 | unicode += ((string[2] & 0x3f) << 18); | |
3268 | unicode += ((string[3] & 0x3f) << 12); | |
3269 | unicode += ((string[4] & 0x3f) << 6); | |
3270 | unicode += (string[5] & 0x3f); | |
3271 | break; | |
3272 | default: | |
3273 | die("Invalid unicode length"); | |
3274 | } | |
3275 | ||
3276 | /* Invalid characters could return the special 0xfffd value but NUL | |
3277 | * should be just as good. */ | |
3278 | return unicode > 0xffff ? 0 : unicode; | |
3279 | } | |
3280 | ||
3281 | /* Calculates how much of string can be shown within the given maximum width | |
3282 | * and sets trimmed parameter to non-zero value if all of string could not be | |
3283 | * shown. | |
3284 | * | |
3285 | * Additionally, adds to coloffset how many many columns to move to align with | |
3286 | * the expected position. Takes into account how multi-byte and double-width | |
3287 | * characters will effect the cursor position. | |
3288 | * | |
3289 | * Returns the number of bytes to output from string to satisfy max_width. */ | |
3290 | static size_t | |
3291 | utf8_length(const char *string, size_t max_width, int *coloffset, int *trimmed) | |
3292 | { | |
3293 | const char *start = string; | |
3294 | const char *end = strchr(string, '\0'); | |
3295 | size_t mbwidth = 0; | |
3296 | size_t width = 0; | |
3297 | ||
3298 | *trimmed = 0; | |
3299 | ||
3300 | while (string < end) { | |
3301 | int c = *(unsigned char *) string; | |
3302 | unsigned char bytes = utf8_bytes[c]; | |
3303 | size_t ucwidth; | |
3304 | unsigned long unicode; | |
3305 | ||
3306 | if (string + bytes > end) | |
3307 | break; | |
3308 | ||
3309 | /* Change representation to figure out whether | |
3310 | * it is a single- or double-width character. */ | |
3311 | ||
3312 | unicode = utf8_to_unicode(string, bytes); | |
3313 | /* FIXME: Graceful handling of invalid unicode character. */ | |
3314 | if (!unicode) | |
3315 | break; | |
3316 | ||
3317 | ucwidth = unicode_width(unicode); | |
3318 | width += ucwidth; | |
3319 | if (width > max_width) { | |
3320 | *trimmed = 1; | |
3321 | break; | |
3322 | } | |
3323 | ||
3324 | /* The column offset collects the differences between the | |
3325 | * number of bytes encoding a character and the number of | |
3326 | * columns will be used for rendering said character. | |
3327 | * | |
3328 | * So if some character A is encoded in 2 bytes, but will be | |
3329 | * represented on the screen using only 1 byte this will and up | |
3330 | * adding 1 to the multi-byte column offset. | |
3331 | * | |
3332 | * Assumes that no double-width character can be encoding in | |
3333 | * less than two bytes. */ | |
3334 | if (bytes > ucwidth) | |
3335 | mbwidth += bytes - ucwidth; | |
3336 | ||
3337 | string += bytes; | |
3338 | } | |
3339 | ||
3340 | *coloffset += mbwidth; | |
3341 | ||
3342 | return string - start; | |
3343 | } | |
3344 | ||
3345 | ||
3346 | /* | |
6b161b31 JF |
3347 | * Status management |
3348 | */ | |
2e8488b4 | 3349 | |
8855ada4 | 3350 | /* Whether or not the curses interface has been initialized. */ |
68b6e0eb | 3351 | static bool cursed = FALSE; |
8855ada4 | 3352 | |
6b161b31 JF |
3353 | /* The status window is used for polling keystrokes. */ |
3354 | static WINDOW *status_win; | |
4a2909a7 | 3355 | |
21be28fb JF |
3356 | static bool status_empty = TRUE; |
3357 | ||
2e8488b4 | 3358 | /* Update status and title window. */ |
4a2909a7 JF |
3359 | static void |
3360 | report(const char *msg, ...) | |
3361 | { | |
6706b2ba | 3362 | struct view *view = display[current_view]; |
b76c2afc | 3363 | |
ab4af23e JF |
3364 | if (input_mode) |
3365 | return; | |
3366 | ||
21be28fb | 3367 | if (!status_empty || *msg) { |
6706b2ba | 3368 | va_list args; |
4a2909a7 | 3369 | |
6706b2ba | 3370 | va_start(args, msg); |
4b76734f | 3371 | |
6706b2ba JF |
3372 | wmove(status_win, 0, 0); |
3373 | if (*msg) { | |
3374 | vwprintw(status_win, msg, args); | |
21be28fb | 3375 | status_empty = FALSE; |
6706b2ba | 3376 | } else { |
21be28fb | 3377 | status_empty = TRUE; |
6706b2ba | 3378 | } |
390a8262 | 3379 | wclrtoeol(status_win); |
6706b2ba | 3380 | wrefresh(status_win); |
b801d8b2 | 3381 | |
6706b2ba JF |
3382 | va_end(args); |
3383 | } | |
3384 | ||
3385 | update_view_title(view); | |
2bee3bde | 3386 | update_display_cursor(view); |
b801d8b2 JF |
3387 | } |
3388 | ||
6b161b31 JF |
3389 | /* Controls when nodelay should be in effect when polling user input. */ |
3390 | static void | |
1ba2ae4b | 3391 | set_nonblocking_input(bool loading) |
b801d8b2 | 3392 | { |
6706b2ba | 3393 | static unsigned int loading_views; |
b801d8b2 | 3394 | |
6706b2ba JF |
3395 | if ((loading == FALSE && loading_views-- == 1) || |
3396 | (loading == TRUE && loading_views++ == 0)) | |
1ba2ae4b | 3397 | nodelay(status_win, loading); |
6b161b31 JF |
3398 | } |
3399 | ||
3400 | static void | |
3401 | init_display(void) | |
3402 | { | |
3403 | int x, y; | |
b76c2afc | 3404 | |
6908bdbd JF |
3405 | /* Initialize the curses library */ |
3406 | if (isatty(STDIN_FILENO)) { | |
8855ada4 | 3407 | cursed = !!initscr(); |
6908bdbd JF |
3408 | } else { |
3409 | /* Leave stdin and stdout alone when acting as a pager. */ | |
3410 | FILE *io = fopen("/dev/tty", "r+"); | |
3411 | ||
e6f60674 JF |
3412 | if (!io) |
3413 | die("Failed to open /dev/tty"); | |
8855ada4 | 3414 | cursed = !!newterm(NULL, io, io); |
6908bdbd JF |
3415 | } |
3416 | ||
8855ada4 JF |
3417 | if (!cursed) |
3418 | die("Failed to initialize curses"); | |
3419 | ||
2e8488b4 JF |
3420 | nonl(); /* Tell curses not to do NL->CR/NL on output */ |
3421 | cbreak(); /* Take input chars one at a time, no wait for \n */ | |
3422 | noecho(); /* Don't echo input */ | |
b801d8b2 | 3423 | leaveok(stdscr, TRUE); |
b801d8b2 JF |
3424 | |
3425 | if (has_colors()) | |
3426 | init_colors(); | |
3427 | ||
3428 | getmaxyx(stdscr, y, x); | |
3429 | status_win = newwin(1, 0, y - 1, 0); | |
3430 | if (!status_win) | |
3431 | die("Failed to create status window"); | |
3432 | ||
3433 | /* Enable keyboard mapping */ | |
3434 | keypad(status_win, TRUE); | |
78c70acd | 3435 | wbkgdset(status_win, get_line_attr(LINE_STATUS)); |
6b161b31 JF |
3436 | } |
3437 | ||
4af34daa | 3438 | static char * |
cb9e48c1 | 3439 | read_prompt(const char *prompt) |
ef5404a4 JF |
3440 | { |
3441 | enum { READING, STOP, CANCEL } status = READING; | |
9e21ce5c | 3442 | static char buf[sizeof(opt_cmd) - STRING_SIZE("git \0")]; |
ef5404a4 JF |
3443 | int pos = 0; |
3444 | ||
3445 | while (status == READING) { | |
3446 | struct view *view; | |
3447 | int i, key; | |
3448 | ||
ab4af23e JF |
3449 | input_mode = TRUE; |
3450 | ||
699ae55b | 3451 | foreach_view (view, i) |
ef5404a4 JF |
3452 | update_view(view); |
3453 | ||
ab4af23e JF |
3454 | input_mode = FALSE; |
3455 | ||
3456 | mvwprintw(status_win, 0, 0, "%s%.*s", prompt, pos, buf); | |
3457 | wclrtoeol(status_win); | |
3458 | ||
ef5404a4 JF |
3459 | /* Refresh, accept single keystroke of input */ |
3460 | key = wgetch(status_win); | |
3461 | switch (key) { | |
3462 | case KEY_RETURN: | |
3463 | case KEY_ENTER: | |
3464 | case '\n': | |
3465 | status = pos ? STOP : CANCEL; | |
3466 | break; | |
3467 | ||
3468 | case KEY_BACKSPACE: | |
3469 | if (pos > 0) | |
3470 | pos--; | |
3471 | else | |
3472 | status = CANCEL; | |
3473 | break; | |
3474 | ||
3475 | case KEY_ESC: | |
3476 | status = CANCEL; | |
3477 | break; | |
3478 | ||
3479 | case ERR: | |
3480 | break; | |
3481 | ||
3482 | default: | |
3483 | if (pos >= sizeof(buf)) { | |
3484 | report("Input string too long"); | |
9e21ce5c | 3485 | return NULL; |
ef5404a4 JF |
3486 | } |
3487 | ||
3488 | if (isprint(key)) | |
3489 | buf[pos++] = (char) key; | |
3490 | } | |
3491 | } | |
3492 | ||
7a06ebdf JF |
3493 | /* Clear the status window */ |
3494 | status_empty = FALSE; | |
3495 | report(""); | |
3496 | ||
3497 | if (status == CANCEL) | |
9e21ce5c | 3498 | return NULL; |
ef5404a4 JF |
3499 | |
3500 | buf[pos++] = 0; | |
ef5404a4 | 3501 | |
9e21ce5c | 3502 | return buf; |
ef5404a4 | 3503 | } |
c34d9c9f JF |
3504 | |
3505 | /* | |
3506 | * Repository references | |
3507 | */ | |
3508 | ||
3509 | static struct ref *refs; | |
3a91b75e | 3510 | static size_t refs_size; |
c34d9c9f | 3511 | |
1307df1a JF |
3512 | /* Id <-> ref store */ |
3513 | static struct ref ***id_refs; | |
3514 | static size_t id_refs_size; | |
3515 | ||
c34d9c9f JF |
3516 | static struct ref ** |
3517 | get_refs(char *id) | |
3518 | { | |
1307df1a JF |
3519 | struct ref ***tmp_id_refs; |
3520 | struct ref **ref_list = NULL; | |
3521 | size_t ref_list_size = 0; | |
c34d9c9f JF |
3522 | size_t i; |
3523 | ||
1307df1a JF |
3524 | for (i = 0; i < id_refs_size; i++) |
3525 | if (!strcmp(id, id_refs[i][0]->id)) | |
3526 | return id_refs[i]; | |
3527 | ||
3528 | tmp_id_refs = realloc(id_refs, (id_refs_size + 1) * sizeof(*id_refs)); | |
3529 | if (!tmp_id_refs) | |
3530 | return NULL; | |
3531 | ||
3532 | id_refs = tmp_id_refs; | |
3533 | ||
c34d9c9f JF |
3534 | for (i = 0; i < refs_size; i++) { |
3535 | struct ref **tmp; | |
3536 | ||
3537 | if (strcmp(id, refs[i].id)) | |
3538 | continue; | |
3539 | ||
1307df1a | 3540 | tmp = realloc(ref_list, (ref_list_size + 1) * sizeof(*ref_list)); |
c34d9c9f | 3541 | if (!tmp) { |
1307df1a JF |
3542 | if (ref_list) |
3543 | free(ref_list); | |
c34d9c9f JF |
3544 | return NULL; |
3545 | } | |
3546 | ||
1307df1a JF |
3547 | ref_list = tmp; |
3548 | if (ref_list_size > 0) | |
3549 | ref_list[ref_list_size - 1]->next = 1; | |
3550 | ref_list[ref_list_size] = &refs[i]; | |
3af8774e JF |
3551 | |
3552 | /* XXX: The properties of the commit chains ensures that we can | |
3553 | * safely modify the shared ref. The repo references will | |
3554 | * always be similar for the same id. */ | |
1307df1a JF |
3555 | ref_list[ref_list_size]->next = 0; |
3556 | ref_list_size++; | |
c34d9c9f JF |
3557 | } |
3558 | ||
1307df1a JF |
3559 | if (ref_list) |
3560 | id_refs[id_refs_size++] = ref_list; | |
3561 | ||
3562 | return ref_list; | |
c34d9c9f JF |
3563 | } |
3564 | ||
3565 | static int | |
d0cea5f9 | 3566 | read_ref(char *id, int idlen, char *name, int namelen) |
c34d9c9f | 3567 | { |
d0cea5f9 JF |
3568 | struct ref *ref; |
3569 | bool tag = FALSE; | |
e15ec88e | 3570 | bool remote = FALSE; |
d0cea5f9 | 3571 | |
8b0297ae JF |
3572 | if (!strncmp(name, "refs/tags/", STRING_SIZE("refs/tags/"))) { |
3573 | /* Commits referenced by tags has "^{}" appended. */ | |
3574 | if (name[namelen - 1] != '}') | |
3575 | return OK; | |
3576 | ||
d0cea5f9 JF |
3577 | while (namelen > 0 && name[namelen] != '^') |
3578 | namelen--; | |
c34d9c9f | 3579 | |
d0cea5f9 | 3580 | tag = TRUE; |
8b0297ae JF |
3581 | namelen -= STRING_SIZE("refs/tags/"); |
3582 | name += STRING_SIZE("refs/tags/"); | |
c34d9c9f | 3583 | |
e15ec88e JF |
3584 | } else if (!strncmp(name, "refs/remotes/", STRING_SIZE("refs/remotes/"))) { |
3585 | remote = TRUE; | |
3586 | namelen -= STRING_SIZE("refs/remotes/"); | |
3587 | name += STRING_SIZE("refs/remotes/"); | |
3588 | ||
d0cea5f9 | 3589 | } else if (!strncmp(name, "refs/heads/", STRING_SIZE("refs/heads/"))) { |
8b0297ae JF |
3590 | namelen -= STRING_SIZE("refs/heads/"); |
3591 | name += STRING_SIZE("refs/heads/"); | |
c34d9c9f | 3592 | |
d0cea5f9 JF |
3593 | } else if (!strcmp(name, "HEAD")) { |
3594 | return OK; | |
3595 | } | |
6706b2ba | 3596 | |
d0cea5f9 JF |
3597 | refs = realloc(refs, sizeof(*refs) * (refs_size + 1)); |
3598 | if (!refs) | |
3599 | return ERR; | |
c34d9c9f | 3600 | |
d0cea5f9 | 3601 | ref = &refs[refs_size++]; |
8b0297ae | 3602 | ref->name = malloc(namelen + 1); |
d0cea5f9 JF |
3603 | if (!ref->name) |
3604 | return ERR; | |
3af8774e | 3605 | |
8b0297ae JF |
3606 | strncpy(ref->name, name, namelen); |
3607 | ref->name[namelen] = 0; | |
d0cea5f9 | 3608 | ref->tag = tag; |
e15ec88e | 3609 | ref->remote = remote; |
d0cea5f9 | 3610 | string_copy(ref->id, id); |
3af8774e | 3611 | |
d0cea5f9 JF |
3612 | return OK; |
3613 | } | |
c34d9c9f | 3614 | |
d0cea5f9 JF |
3615 | static int |
3616 | load_refs(void) | |
3617 | { | |
3618 | const char *cmd_env = getenv("TIG_LS_REMOTE"); | |
3619 | const char *cmd = cmd_env && *cmd_env ? cmd_env : TIG_LS_REMOTE; | |
c34d9c9f | 3620 | |
4a63c884 | 3621 | return read_properties(popen(cmd, "r"), "\t", read_ref); |
d0cea5f9 | 3622 | } |
c34d9c9f | 3623 | |
d0cea5f9 | 3624 | static int |
14c778a6 | 3625 | read_repo_config_option(char *name, int namelen, char *value, int valuelen) |
d0cea5f9 | 3626 | { |
22913179 | 3627 | if (!strcmp(name, "i18n.commitencoding")) |
d0cea5f9 | 3628 | string_copy(opt_encoding, value); |
c34d9c9f | 3629 | |
c34d9c9f JF |
3630 | return OK; |
3631 | } | |
3632 | ||
4670cf89 | 3633 | static int |
14c778a6 | 3634 | load_repo_config(void) |
4670cf89 | 3635 | { |
66749723 | 3636 | return read_properties(popen("git repo-config --list", "r"), |
14c778a6 | 3637 | "=", read_repo_config_option); |
d0cea5f9 JF |
3638 | } |
3639 | ||
3640 | static int | |
4a63c884 | 3641 | read_properties(FILE *pipe, const char *separators, |
d0cea5f9 JF |
3642 | int (*read_property)(char *, int, char *, int)) |
3643 | { | |
4670cf89 JF |
3644 | char buffer[BUFSIZ]; |
3645 | char *name; | |
d0cea5f9 | 3646 | int state = OK; |
4670cf89 JF |
3647 | |
3648 | if (!pipe) | |
3649 | return ERR; | |
3650 | ||
d0cea5f9 | 3651 | while (state == OK && (name = fgets(buffer, sizeof(buffer), pipe))) { |
4a63c884 JF |
3652 | char *value; |
3653 | size_t namelen; | |
3654 | size_t valuelen; | |
4670cf89 | 3655 | |
4a63c884 JF |
3656 | name = chomp_string(name); |
3657 | namelen = strcspn(name, separators); | |
3658 | ||
3659 | if (name[namelen]) { | |
3660 | name[namelen] = 0; | |
3661 | value = chomp_string(name + namelen + 1); | |
d0cea5f9 | 3662 | valuelen = strlen(value); |
4670cf89 | 3663 | |
d0cea5f9 | 3664 | } else { |
d0cea5f9 JF |
3665 | value = ""; |
3666 | valuelen = 0; | |
4670cf89 | 3667 | } |
d0cea5f9 | 3668 | |
3c3801c2 | 3669 | state = read_property(name, namelen, value, valuelen); |
4670cf89 JF |
3670 | } |
3671 | ||
d0cea5f9 JF |
3672 | if (state != ERR && ferror(pipe)) |
3673 | state = ERR; | |
4670cf89 JF |
3674 | |
3675 | pclose(pipe); | |
3676 | ||
d0cea5f9 | 3677 | return state; |
4670cf89 JF |
3678 | } |
3679 | ||
d0cea5f9 | 3680 | |
6b161b31 JF |
3681 | /* |
3682 | * Main | |
3683 | */ | |
3684 | ||
b5c9e67f | 3685 | static void __NORETURN |
6b161b31 JF |
3686 | quit(int sig) |
3687 | { | |
8855ada4 JF |
3688 | /* XXX: Restore tty modes and let the OS cleanup the rest! */ |
3689 | if (cursed) | |
3690 | endwin(); | |
6b161b31 JF |
3691 | exit(0); |
3692 | } | |
3693 | ||
c6704a4e JF |
3694 | static void __NORETURN |
3695 | die(const char *err, ...) | |
6b161b31 JF |
3696 | { |
3697 | va_list args; | |
3698 | ||
3699 | endwin(); | |
3700 | ||
3701 | va_start(args, err); | |
3702 | fputs("tig: ", stderr); | |
3703 | vfprintf(stderr, err, args); | |
3704 | fputs("\n", stderr); | |
3705 | va_end(args); | |
3706 | ||
3707 | exit(1); | |
3708 | } | |
3709 | ||
3710 | int | |
3711 | main(int argc, char *argv[]) | |
3712 | { | |
1ba2ae4b | 3713 | struct view *view; |
6b161b31 | 3714 | enum request request; |
1ba2ae4b | 3715 | size_t i; |
6b161b31 JF |
3716 | |
3717 | signal(SIGINT, quit); | |
3718 | ||
6b68fd24 JF |
3719 | if (setlocale(LC_ALL, "")) { |
3720 | string_copy(opt_codeset, nl_langinfo(CODESET)); | |
3721 | } | |
3722 | ||
660e09ad JF |
3723 | if (load_options() == ERR) |
3724 | die("Failed to load user config."); | |
3725 | ||
3726 | /* Load the repo config file so options can be overwritten from | |
afdc35b3 | 3727 | * the command line. */ |
14c778a6 | 3728 | if (load_repo_config() == ERR) |
afdc35b3 JF |
3729 | die("Failed to load repo config."); |
3730 | ||
8855ada4 | 3731 | if (!parse_options(argc, argv)) |
6b161b31 JF |
3732 | return 0; |
3733 | ||
6b68fd24 JF |
3734 | if (*opt_codeset && strcmp(opt_codeset, opt_encoding)) { |
3735 | opt_iconv = iconv_open(opt_codeset, opt_encoding); | |
20f4b4a3 | 3736 | if (opt_iconv == ICONV_NONE) |
6b68fd24 JF |
3737 | die("Failed to initialize character set conversion"); |
3738 | } | |
3739 | ||
c34d9c9f JF |
3740 | if (load_refs() == ERR) |
3741 | die("Failed to load refs."); | |
3742 | ||
7bb55251 JF |
3743 | /* Require a git repository unless when running in pager mode. */ |
3744 | if (refs_size == 0 && opt_request != REQ_VIEW_PAGER) | |
3745 | die("Not a git repository"); | |
3746 | ||
1ba2ae4b JF |
3747 | for (i = 0; i < ARRAY_SIZE(views) && (view = &views[i]); i++) |
3748 | view->cmd_env = getenv(view->cmd_env); | |
3749 | ||
6b161b31 JF |
3750 | request = opt_request; |
3751 | ||
3752 | init_display(); | |
b801d8b2 JF |
3753 | |
3754 | while (view_driver(display[current_view], request)) { | |
6b161b31 | 3755 | int key; |
b801d8b2 JF |
3756 | int i; |
3757 | ||
699ae55b | 3758 | foreach_view (view, i) |
6b161b31 | 3759 | update_view(view); |
b801d8b2 JF |
3760 | |
3761 | /* Refresh, accept single keystroke of input */ | |
6b161b31 | 3762 | key = wgetch(status_win); |
04e2b7b2 | 3763 | |
cf4d82e6 JF |
3764 | /* wgetch() with nodelay() enabled returns ERR when there's no |
3765 | * input. */ | |
3766 | if (key == ERR) { | |
3767 | request = REQ_NONE; | |
8b534a13 | 3768 | continue; |
cf4d82e6 | 3769 | } |
04e2b7b2 JF |
3770 | |
3771 | request = get_keybinding(display[current_view]->keymap, key); | |
03a93dbb | 3772 | |
6706b2ba | 3773 | /* Some low-level request handling. This keeps access to |
fac7db6c JF |
3774 | * status_win restricted. */ |
3775 | switch (request) { | |
3776 | case REQ_PROMPT: | |
9e21ce5c JF |
3777 | { |
3778 | char *cmd = read_prompt(":"); | |
3779 | ||
3780 | if (cmd && string_format(opt_cmd, "git %s", cmd)) { | |
3781 | if (strncmp(cmd, "show", 4) && isspace(cmd[4])) { | |
3782 | opt_request = REQ_VIEW_DIFF; | |
3783 | } else { | |
3784 | opt_request = REQ_VIEW_PAGER; | |
3785 | } | |
3786 | break; | |
3787 | } | |
fac7db6c | 3788 | |
1d754561 | 3789 | request = REQ_NONE; |
9e21ce5c JF |
3790 | break; |
3791 | } | |
4af34daa JF |
3792 | case REQ_SEARCH: |
3793 | case REQ_SEARCH_BACK: | |
3794 | { | |
3795 | const char *prompt = request == REQ_SEARCH | |
3796 | ? "/" : "?"; | |
3797 | char *search = read_prompt(prompt); | |
3798 | ||
3799 | if (search) | |
3800 | string_copy(opt_search, search); | |
3801 | else | |
3802 | request = REQ_NONE; | |
3803 | break; | |
3804 | } | |
fac7db6c JF |
3805 | case REQ_SCREEN_RESIZE: |
3806 | { | |
3807 | int height, width; | |
3808 | ||
3809 | getmaxyx(stdscr, height, width); | |
3810 | ||
3811 | /* Resize the status view and let the view driver take | |
3812 | * care of resizing the displayed views. */ | |
3813 | wresize(status_win, 1, width); | |
3814 | mvwin(status_win, height - 1, 0); | |
3815 | wrefresh(status_win); | |
3816 | break; | |
3817 | } | |
3818 | default: | |
3819 | break; | |
03a93dbb | 3820 | } |
b801d8b2 JF |
3821 | } |
3822 | ||
3823 | quit(0); | |
3824 | ||
3825 | return 0; | |
3826 | } |