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 | |
73785605 JF |
14 | #ifndef VERSION |
15 | #define VERSION "unknown-version" | |
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> |
810f0078 JF |
30 | #include <sys/types.h> |
31 | #include <sys/stat.h> | |
6908bdbd | 32 | #include <unistd.h> |
b76c2afc | 33 | #include <time.h> |
b801d8b2 | 34 | |
4af34daa JF |
35 | #include <regex.h> |
36 | ||
6b68fd24 JF |
37 | #include <locale.h> |
38 | #include <langinfo.h> | |
39 | #include <iconv.h> | |
40 | ||
b801d8b2 | 41 | #include <curses.h> |
b801d8b2 | 42 | |
e2da526d JF |
43 | #if __GNUC__ >= 3 |
44 | #define __NORETURN __attribute__((__noreturn__)) | |
45 | #else | |
46 | #define __NORETURN | |
47 | #endif | |
48 | ||
49 | static void __NORETURN die(const char *err, ...); | |
b801d8b2 | 50 | static void report(const char *msg, ...); |
5699e0cf | 51 | static int read_properties(FILE *pipe, const char *separators, int (*read)(char *, size_t, char *, size_t)); |
1ba2ae4b | 52 | static void set_nonblocking_input(bool loading); |
10e290ee | 53 | static size_t utf8_length(const char *string, size_t max_width, int *coloffset, int *trimmed); |
6b161b31 JF |
54 | |
55 | #define ABS(x) ((x) >= 0 ? (x) : -(x)) | |
56 | #define MIN(x, y) ((x) < (y) ? (x) : (y)) | |
57 | ||
58 | #define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0])) | |
59 | #define STRING_SIZE(x) (sizeof(x) - 1) | |
b76c2afc | 60 | |
17482b11 | 61 | #define SIZEOF_STR 1024 /* Default string size. */ |
2e8488b4 | 62 | #define SIZEOF_REF 256 /* Size of symbolic or SHA1 ID. */ |
10446330 | 63 | #define SIZEOF_REV 41 /* Holds a SHA-1 and an ending NUL */ |
c8d60a25 JF |
64 | |
65 | /* Revision graph */ | |
66 | ||
67 | #define REVGRAPH_INIT 'I' | |
68 | #define REVGRAPH_MERGE 'M' | |
69 | #define REVGRAPH_BRANCH '+' | |
70 | #define REVGRAPH_COMMIT '*' | |
71 | #define REVGRAPH_LINE '|' | |
72 | ||
54efb62b | 73 | #define SIZEOF_REVGRAPH 19 /* Size of revision ancestry graphics. */ |
b801d8b2 | 74 | |
82e78006 JF |
75 | /* This color name can be used to refer to the default term colors. */ |
76 | #define COLOR_DEFAULT (-1) | |
78c70acd | 77 | |
6b68fd24 JF |
78 | #define ICONV_NONE ((iconv_t) -1) |
79 | ||
82e78006 | 80 | /* The format and size of the date column in the main view. */ |
4c6fabc2 | 81 | #define DATE_FORMAT "%Y-%m-%d %H:%M" |
6b161b31 | 82 | #define DATE_COLS STRING_SIZE("2006-04-29 14:21 ") |
4c6fabc2 | 83 | |
10e290ee JF |
84 | #define AUTHOR_COLS 20 |
85 | ||
a28bcc22 | 86 | /* The default interval between line numbers. */ |
4a2909a7 | 87 | #define NUMBER_INTERVAL 1 |
82e78006 | 88 | |
6706b2ba JF |
89 | #define TABSIZE 8 |
90 | ||
a28bcc22 JF |
91 | #define SCALE_SPLIT_VIEW(height) ((height) * 2 / 3) |
92 | ||
8eb62770 | 93 | #define TIG_LS_REMOTE \ |
337d7377 | 94 | "git ls-remote $(git rev-parse --git-dir) 2>/dev/null" |
8eb62770 JF |
95 | |
96 | #define TIG_DIFF_CMD \ | |
73fb51d5 | 97 | "git show --root --patch-with-stat --find-copies-harder -B -C %s 2>/dev/null" |
8eb62770 JF |
98 | |
99 | #define TIG_LOG_CMD \ | |
8fee6614 | 100 | "git log --cc --stat -n100 %s 2>/dev/null" |
8eb62770 JF |
101 | |
102 | #define TIG_MAIN_CMD \ | |
8fee6614 | 103 | "git log --topo-order --pretty=raw %s 2>/dev/null" |
8eb62770 | 104 | |
e733ee54 JF |
105 | #define TIG_TREE_CMD \ |
106 | "git ls-tree %s %s" | |
107 | ||
108 | #define TIG_BLOB_CMD \ | |
109 | "git cat-file blob %s" | |
110 | ||
8eb62770 JF |
111 | /* XXX: Needs to be defined to the empty string. */ |
112 | #define TIG_HELP_CMD "" | |
113 | #define TIG_PAGER_CMD "" | |
173d76ea | 114 | #define TIG_STATUS_CMD "" |
8eb62770 | 115 | |
8855ada4 | 116 | /* Some ascii-shorthands fitted into the ncurses namespace. */ |
a28bcc22 JF |
117 | #define KEY_TAB '\t' |
118 | #define KEY_RETURN '\r' | |
4a2909a7 JF |
119 | #define KEY_ESC 27 |
120 | ||
6706b2ba | 121 | |
c34d9c9f | 122 | struct ref { |
468876c9 | 123 | char *name; /* Ref name; tag or head names are shortened. */ |
10446330 | 124 | char id[SIZEOF_REV]; /* Commit SHA1 ID */ |
468876c9 | 125 | unsigned int tag:1; /* Is it a tag? */ |
e15ec88e | 126 | unsigned int remote:1; /* Is it a remote ref? */ |
468876c9 | 127 | unsigned int next:1; /* For ref lists: are there more refs? */ |
c34d9c9f JF |
128 | }; |
129 | ||
ff26aa29 | 130 | static struct ref **get_refs(char *id); |
4c6fabc2 | 131 | |
660e09ad JF |
132 | struct int_map { |
133 | const char *name; | |
134 | int namelen; | |
135 | int value; | |
136 | }; | |
137 | ||
138 | static int | |
139 | set_from_int_map(struct int_map *map, size_t map_size, | |
140 | int *value, const char *name, int namelen) | |
141 | { | |
142 | ||
143 | int i; | |
144 | ||
145 | for (i = 0; i < map_size; i++) | |
146 | if (namelen == map[i].namelen && | |
147 | !strncasecmp(name, map[i].name, namelen)) { | |
148 | *value = map[i].value; | |
149 | return OK; | |
150 | } | |
151 | ||
152 | return ERR; | |
153 | } | |
154 | ||
6706b2ba | 155 | |
03a93dbb JF |
156 | /* |
157 | * String helpers | |
158 | */ | |
78c70acd | 159 | |
82e78006 | 160 | static inline void |
9a48919b | 161 | string_ncopy_do(char *dst, size_t dstlen, const char *src, size_t srclen) |
82e78006 | 162 | { |
9a48919b JF |
163 | if (srclen > dstlen - 1) |
164 | srclen = dstlen - 1; | |
03a93dbb | 165 | |
9a48919b JF |
166 | strncpy(dst, src, srclen); |
167 | dst[srclen] = 0; | |
82e78006 JF |
168 | } |
169 | ||
9a48919b JF |
170 | /* Shorthands for safely copying into a fixed buffer. */ |
171 | ||
82e78006 | 172 | #define string_copy(dst, src) \ |
751e27c9 | 173 | string_ncopy_do(dst, sizeof(dst), src, sizeof(src)) |
9a48919b JF |
174 | |
175 | #define string_ncopy(dst, src, srclen) \ | |
176 | string_ncopy_do(dst, sizeof(dst), src, srclen) | |
82e78006 | 177 | |
2463b4ea JF |
178 | #define string_copy_rev(dst, src) \ |
179 | string_ncopy_do(dst, SIZEOF_REV, src, SIZEOF_REV - 1) | |
180 | ||
91c5d983 JF |
181 | #define string_add(dst, from, src) \ |
182 | string_ncopy_do(dst + (from), sizeof(dst) - (from), src, sizeof(src)) | |
183 | ||
4a63c884 JF |
184 | static char * |
185 | chomp_string(char *name) | |
186 | { | |
187 | int namelen; | |
188 | ||
189 | while (isspace(*name)) | |
190 | name++; | |
191 | ||
192 | namelen = strlen(name) - 1; | |
193 | while (namelen > 0 && isspace(name[namelen])) | |
194 | name[namelen--] = 0; | |
195 | ||
196 | return name; | |
197 | } | |
198 | ||
cc2d1364 | 199 | static bool |
d65ced0d | 200 | string_nformat(char *buf, size_t bufsize, size_t *bufpos, const char *fmt, ...) |
cc2d1364 JF |
201 | { |
202 | va_list args; | |
d65ced0d | 203 | size_t pos = bufpos ? *bufpos : 0; |
cc2d1364 JF |
204 | |
205 | va_start(args, fmt); | |
206 | pos += vsnprintf(buf + pos, bufsize - pos, fmt, args); | |
207 | va_end(args); | |
208 | ||
209 | if (bufpos) | |
210 | *bufpos = pos; | |
211 | ||
212 | return pos >= bufsize ? FALSE : TRUE; | |
213 | } | |
214 | ||
215 | #define string_format(buf, fmt, args...) \ | |
216 | string_nformat(buf, sizeof(buf), NULL, fmt, args) | |
217 | ||
218 | #define string_format_from(buf, from, fmt, args...) \ | |
219 | string_nformat(buf, sizeof(buf), from, fmt, args) | |
6706b2ba | 220 | |
201f5a18 JF |
221 | static int |
222 | string_enum_compare(const char *str1, const char *str2, int len) | |
223 | { | |
224 | size_t i; | |
225 | ||
226 | #define string_enum_sep(x) ((x) == '-' || (x) == '_' || (x) == '.') | |
227 | ||
228 | /* Diff-Header == DIFF_HEADER */ | |
229 | for (i = 0; i < len; i++) { | |
230 | if (toupper(str1[i]) == toupper(str2[i])) | |
231 | continue; | |
232 | ||
233 | if (string_enum_sep(str1[i]) && | |
234 | string_enum_sep(str2[i])) | |
235 | continue; | |
236 | ||
237 | return str1[i] - str2[i]; | |
238 | } | |
239 | ||
240 | return 0; | |
241 | } | |
242 | ||
03a93dbb JF |
243 | /* Shell quoting |
244 | * | |
245 | * NOTE: The following is a slightly modified copy of the git project's shell | |
246 | * quoting routines found in the quote.c file. | |
247 | * | |
248 | * Help to copy the thing properly quoted for the shell safety. any single | |
249 | * quote is replaced with '\'', any exclamation point is replaced with '\!', | |
250 | * and the whole thing is enclosed in a | |
251 | * | |
252 | * E.g. | |
253 | * original sq_quote result | |
254 | * name ==> name ==> 'name' | |
255 | * a b ==> a b ==> 'a b' | |
256 | * a'b ==> a'\''b ==> 'a'\''b' | |
257 | * a!b ==> a'\!'b ==> 'a'\!'b' | |
258 | */ | |
259 | ||
260 | static size_t | |
17482b11 | 261 | sq_quote(char buf[SIZEOF_STR], size_t bufsize, const char *src) |
03a93dbb JF |
262 | { |
263 | char c; | |
264 | ||
17482b11 | 265 | #define BUFPUT(x) do { if (bufsize < SIZEOF_STR) buf[bufsize++] = (x); } while (0) |
03a93dbb JF |
266 | |
267 | BUFPUT('\''); | |
268 | while ((c = *src++)) { | |
269 | if (c == '\'' || c == '!') { | |
270 | BUFPUT('\''); | |
271 | BUFPUT('\\'); | |
272 | BUFPUT(c); | |
273 | BUFPUT('\''); | |
274 | } else { | |
275 | BUFPUT(c); | |
276 | } | |
277 | } | |
278 | BUFPUT('\''); | |
279 | ||
f0f114ac JF |
280 | if (bufsize < SIZEOF_STR) |
281 | buf[bufsize] = 0; | |
282 | ||
03a93dbb JF |
283 | return bufsize; |
284 | } | |
285 | ||
82e78006 | 286 | |
24b5b3e0 JF |
287 | /* |
288 | * User requests | |
289 | */ | |
290 | ||
291 | #define REQ_INFO \ | |
292 | /* XXX: Keep the view request first and in sync with views[]. */ \ | |
293 | REQ_GROUP("View switching") \ | |
294 | REQ_(VIEW_MAIN, "Show main view"), \ | |
295 | REQ_(VIEW_DIFF, "Show diff view"), \ | |
296 | REQ_(VIEW_LOG, "Show log view"), \ | |
e733ee54 JF |
297 | REQ_(VIEW_TREE, "Show tree view"), \ |
298 | REQ_(VIEW_BLOB, "Show blob view"), \ | |
24b5b3e0 JF |
299 | REQ_(VIEW_HELP, "Show help page"), \ |
300 | REQ_(VIEW_PAGER, "Show pager view"), \ | |
173d76ea | 301 | REQ_(VIEW_STATUS, "Show status view"), \ |
24b5b3e0 JF |
302 | \ |
303 | REQ_GROUP("View manipulation") \ | |
304 | REQ_(ENTER, "Enter current line and scroll"), \ | |
305 | REQ_(NEXT, "Move to next"), \ | |
306 | REQ_(PREVIOUS, "Move to previous"), \ | |
307 | REQ_(VIEW_NEXT, "Move focus to next view"), \ | |
308 | REQ_(VIEW_CLOSE, "Close the current view"), \ | |
309 | REQ_(QUIT, "Close all views and quit"), \ | |
310 | \ | |
311 | REQ_GROUP("Cursor navigation") \ | |
312 | REQ_(MOVE_UP, "Move cursor one line up"), \ | |
313 | REQ_(MOVE_DOWN, "Move cursor one line down"), \ | |
314 | REQ_(MOVE_PAGE_DOWN, "Move cursor one page down"), \ | |
315 | REQ_(MOVE_PAGE_UP, "Move cursor one page up"), \ | |
316 | REQ_(MOVE_FIRST_LINE, "Move cursor to first line"), \ | |
317 | REQ_(MOVE_LAST_LINE, "Move cursor to last line"), \ | |
318 | \ | |
319 | REQ_GROUP("Scrolling") \ | |
320 | REQ_(SCROLL_LINE_UP, "Scroll one line up"), \ | |
321 | REQ_(SCROLL_LINE_DOWN, "Scroll one line down"), \ | |
322 | REQ_(SCROLL_PAGE_UP, "Scroll one page up"), \ | |
323 | REQ_(SCROLL_PAGE_DOWN, "Scroll one page down"), \ | |
324 | \ | |
4af34daa JF |
325 | REQ_GROUP("Searching") \ |
326 | REQ_(SEARCH, "Search the view"), \ | |
327 | REQ_(SEARCH_BACK, "Search backwards in the view"), \ | |
328 | REQ_(FIND_NEXT, "Find next search match"), \ | |
329 | REQ_(FIND_PREV, "Find previous search match"), \ | |
330 | \ | |
24b5b3e0 | 331 | REQ_GROUP("Misc") \ |
1d754561 | 332 | REQ_(NONE, "Do nothing"), \ |
24b5b3e0 | 333 | REQ_(PROMPT, "Bring up the prompt"), \ |
24b5b3e0 JF |
334 | REQ_(SCREEN_REDRAW, "Redraw the screen"), \ |
335 | REQ_(SCREEN_RESIZE, "Resize the screen"), \ | |
336 | REQ_(SHOW_VERSION, "Show version information"), \ | |
337 | REQ_(STOP_LOADING, "Stop all loading views"), \ | |
54efb62b | 338 | REQ_(TOGGLE_LINENO, "Toggle line numbers"), \ |
ca1d71ea JF |
339 | REQ_(TOGGLE_REV_GRAPH, "Toggle revision graph visualization"), \ |
340 | REQ_(STATUS_UPDATE, "Update file status") \ | |
24b5b3e0 JF |
341 | |
342 | ||
343 | /* User action requests. */ | |
344 | enum request { | |
345 | #define REQ_GROUP(help) | |
346 | #define REQ_(req, help) REQ_##req | |
347 | ||
348 | /* Offset all requests to avoid conflicts with ncurses getch values. */ | |
349 | REQ_OFFSET = KEY_MAX + 1, | |
04e2b7b2 JF |
350 | REQ_INFO, |
351 | REQ_UNKNOWN, | |
24b5b3e0 JF |
352 | |
353 | #undef REQ_GROUP | |
354 | #undef REQ_ | |
355 | }; | |
356 | ||
357 | struct request_info { | |
358 | enum request request; | |
04e2b7b2 JF |
359 | char *name; |
360 | int namelen; | |
24b5b3e0 JF |
361 | char *help; |
362 | }; | |
363 | ||
364 | static struct request_info req_info[] = { | |
04e2b7b2 JF |
365 | #define REQ_GROUP(help) { 0, NULL, 0, (help) }, |
366 | #define REQ_(req, help) { REQ_##req, (#req), STRING_SIZE(#req), (help) } | |
24b5b3e0 JF |
367 | REQ_INFO |
368 | #undef REQ_GROUP | |
369 | #undef REQ_ | |
370 | }; | |
371 | ||
04e2b7b2 JF |
372 | static enum request |
373 | get_request(const char *name) | |
374 | { | |
375 | int namelen = strlen(name); | |
376 | int i; | |
377 | ||
378 | for (i = 0; i < ARRAY_SIZE(req_info); i++) | |
379 | if (req_info[i].namelen == namelen && | |
380 | !string_enum_compare(req_info[i].name, name, namelen)) | |
381 | return req_info[i].request; | |
382 | ||
383 | return REQ_UNKNOWN; | |
384 | } | |
385 | ||
386 | ||
8eb62770 JF |
387 | /* |
388 | * Options | |
389 | */ | |
b76c2afc | 390 | |
4b8c01a3 | 391 | static const char usage[] = |
73785605 | 392 | "tig " VERSION " (" __DATE__ ")\n" |
4b8c01a3 JF |
393 | "\n" |
394 | "Usage: tig [options]\n" | |
395 | " or: tig [options] [--] [git log options]\n" | |
396 | " or: tig [options] log [git log options]\n" | |
397 | " or: tig [options] diff [git diff options]\n" | |
398 | " or: tig [options] show [git show options]\n" | |
399 | " or: tig [options] < [git command output]\n" | |
400 | "\n" | |
401 | "Options:\n" | |
402 | " -l Start up in log view\n" | |
403 | " -d Start up in diff view\n" | |
173d76ea | 404 | " -S Start up in status view\n" |
4b8c01a3 | 405 | " -n[I], --line-number[=I] Show line numbers with given interval\n" |
b3c965c9 | 406 | " -b[N], --tab-size[=N] Set number of spaces for tab expansion\n" |
4b8c01a3 JF |
407 | " -- Mark end of tig options\n" |
408 | " -v, --version Show version and exit\n" | |
409 | " -h, --help Show help message and exit\n"; | |
410 | ||
6706b2ba | 411 | /* Option and state variables. */ |
92d30f5c | 412 | static bool opt_line_number = FALSE; |
11ce319e | 413 | static bool opt_rev_graph = FALSE; |
92d30f5c JF |
414 | static int opt_num_interval = NUMBER_INTERVAL; |
415 | static int opt_tab_size = TABSIZE; | |
416 | static enum request opt_request = REQ_VIEW_MAIN; | |
417 | static char opt_cmd[SIZEOF_STR] = ""; | |
e733ee54 | 418 | static char opt_path[SIZEOF_STR] = ""; |
92d30f5c JF |
419 | static FILE *opt_pipe = NULL; |
420 | static char opt_encoding[20] = "UTF-8"; | |
421 | static bool opt_utf8 = TRUE; | |
422 | static char opt_codeset[20] = "UTF-8"; | |
423 | static iconv_t opt_iconv = ICONV_NONE; | |
424 | static char opt_search[SIZEOF_STR] = ""; | |
91c5d983 | 425 | static char opt_cdup[SIZEOF_STR] = ""; |
810f0078 | 426 | static char opt_git_dir[SIZEOF_STR] = ""; |
b76c2afc | 427 | |
6dbf6c19 JF |
428 | enum option_type { |
429 | OPT_NONE, | |
430 | OPT_INT, | |
431 | }; | |
432 | ||
433 | static bool | |
434 | check_option(char *opt, char short_name, char *name, enum option_type type, ...) | |
435 | { | |
436 | va_list args; | |
437 | char *value = ""; | |
438 | int *number; | |
439 | ||
440 | if (opt[0] != '-') | |
441 | return FALSE; | |
442 | ||
443 | if (opt[1] == '-') { | |
444 | int namelen = strlen(name); | |
445 | ||
446 | opt += 2; | |
447 | ||
448 | if (strncmp(opt, name, namelen)) | |
449 | return FALSE; | |
450 | ||
451 | if (opt[namelen] == '=') | |
452 | value = opt + namelen + 1; | |
453 | ||
454 | } else { | |
455 | if (!short_name || opt[1] != short_name) | |
456 | return FALSE; | |
457 | value = opt + 2; | |
458 | } | |
459 | ||
460 | va_start(args, type); | |
461 | if (type == OPT_INT) { | |
462 | number = va_arg(args, int *); | |
463 | if (isdigit(*value)) | |
464 | *number = atoi(value); | |
465 | } | |
466 | va_end(args); | |
467 | ||
468 | return TRUE; | |
469 | } | |
470 | ||
b76c2afc | 471 | /* Returns the index of log or diff command or -1 to exit. */ |
8855ada4 | 472 | static bool |
b76c2afc JF |
473 | parse_options(int argc, char *argv[]) |
474 | { | |
475 | int i; | |
476 | ||
477 | for (i = 1; i < argc; i++) { | |
478 | char *opt = argv[i]; | |
479 | ||
3621d94e JF |
480 | if (!strcmp(opt, "log") || |
481 | !strcmp(opt, "diff") || | |
482 | !strcmp(opt, "show")) { | |
483 | opt_request = opt[0] == 'l' | |
484 | ? REQ_VIEW_LOG : REQ_VIEW_DIFF; | |
485 | break; | |
486 | } | |
487 | ||
8d27b36e JF |
488 | if (opt[0] && opt[0] != '-') |
489 | break; | |
490 | ||
6b161b31 | 491 | if (!strcmp(opt, "-l")) { |
4a2909a7 | 492 | opt_request = REQ_VIEW_LOG; |
6b161b31 JF |
493 | continue; |
494 | } | |
b76c2afc | 495 | |
6b161b31 | 496 | if (!strcmp(opt, "-d")) { |
4a2909a7 | 497 | opt_request = REQ_VIEW_DIFF; |
6b161b31 JF |
498 | continue; |
499 | } | |
b76c2afc | 500 | |
173d76ea JF |
501 | if (!strcmp(opt, "-S")) { |
502 | opt_request = REQ_VIEW_STATUS; | |
bdcc0d6b | 503 | continue; |
173d76ea JF |
504 | } |
505 | ||
6dbf6c19 | 506 | if (check_option(opt, 'n', "line-number", OPT_INT, &opt_num_interval)) { |
6b161b31 JF |
507 | opt_line_number = TRUE; |
508 | continue; | |
509 | } | |
b76c2afc | 510 | |
6dbf6c19 JF |
511 | if (check_option(opt, 'b', "tab-size", OPT_INT, &opt_tab_size)) { |
512 | opt_tab_size = MIN(opt_tab_size, TABSIZE); | |
6706b2ba JF |
513 | continue; |
514 | } | |
515 | ||
6dbf6c19 | 516 | if (check_option(opt, 'v', "version", OPT_NONE)) { |
b76c2afc | 517 | printf("tig version %s\n", VERSION); |
8855ada4 | 518 | return FALSE; |
6b161b31 | 519 | } |
b76c2afc | 520 | |
6dbf6c19 | 521 | if (check_option(opt, 'h', "help", OPT_NONE)) { |
4b8c01a3 JF |
522 | printf(usage); |
523 | return FALSE; | |
524 | } | |
525 | ||
6908bdbd JF |
526 | if (!strcmp(opt, "--")) { |
527 | i++; | |
528 | break; | |
529 | } | |
03a93dbb | 530 | |
bf174187 | 531 | die("unknown option '%s'\n\n%s", opt, usage); |
b76c2afc JF |
532 | } |
533 | ||
6908bdbd | 534 | if (!isatty(STDIN_FILENO)) { |
6908bdbd JF |
535 | opt_request = REQ_VIEW_PAGER; |
536 | opt_pipe = stdin; | |
537 | ||
538 | } else if (i < argc) { | |
539 | size_t buf_size; | |
540 | ||
6908bdbd | 541 | if (opt_request == REQ_VIEW_MAIN) |
8855ada4 JF |
542 | /* XXX: This is vulnerable to the user overriding |
543 | * options required for the main view parser. */ | |
832a47c4 | 544 | string_copy(opt_cmd, "git log --pretty=raw"); |
6908bdbd JF |
545 | else |
546 | string_copy(opt_cmd, "git"); | |
547 | buf_size = strlen(opt_cmd); | |
548 | ||
549 | while (buf_size < sizeof(opt_cmd) && i < argc) { | |
550 | opt_cmd[buf_size++] = ' '; | |
551 | buf_size = sq_quote(opt_cmd, buf_size, argv[i++]); | |
552 | } | |
553 | ||
554 | if (buf_size >= sizeof(opt_cmd)) | |
555 | die("command too long"); | |
556 | ||
557 | opt_cmd[buf_size] = 0; | |
6908bdbd JF |
558 | } |
559 | ||
afdc35b3 JF |
560 | if (*opt_encoding && strcasecmp(opt_encoding, "UTF-8")) |
561 | opt_utf8 = FALSE; | |
562 | ||
8855ada4 | 563 | return TRUE; |
b76c2afc JF |
564 | } |
565 | ||
566 | ||
54efb62b JF |
567 | /* |
568 | * Line-oriented content detection. | |
569 | */ | |
570 | ||
2e8488b4 | 571 | #define LINE_INFO \ |
660e09ad | 572 | LINE(DIFF_HEADER, "diff --git ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ |
a28bcc22 JF |
573 | LINE(DIFF_CHUNK, "@@", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
574 | LINE(DIFF_ADD, "+", COLOR_GREEN, COLOR_DEFAULT, 0), \ | |
575 | LINE(DIFF_DEL, "-", COLOR_RED, COLOR_DEFAULT, 0), \ | |
660e09ad JF |
576 | LINE(DIFF_INDEX, "index ", COLOR_BLUE, COLOR_DEFAULT, 0), \ |
577 | LINE(DIFF_OLDMODE, "old file mode ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
578 | LINE(DIFF_NEWMODE, "new file mode ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
579 | LINE(DIFF_COPY_FROM, "copy from", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
580 | LINE(DIFF_COPY_TO, "copy to", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
581 | LINE(DIFF_RENAME_FROM, "rename from", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
582 | LINE(DIFF_RENAME_TO, "rename to", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
583 | LINE(DIFF_SIMILARITY, "similarity ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
584 | LINE(DIFF_DISSIMILARITY,"dissimilarity ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
585 | LINE(DIFF_TREE, "diff-tree ", COLOR_BLUE, COLOR_DEFAULT, 0), \ | |
6908bdbd | 586 | LINE(PP_AUTHOR, "Author: ", COLOR_CYAN, COLOR_DEFAULT, 0), \ |
8855ada4 | 587 | LINE(PP_COMMIT, "Commit: ", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
6908bdbd JF |
588 | LINE(PP_MERGE, "Merge: ", COLOR_BLUE, COLOR_DEFAULT, 0), \ |
589 | LINE(PP_DATE, "Date: ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
8855ada4 JF |
590 | LINE(PP_ADATE, "AuthorDate: ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ |
591 | LINE(PP_CDATE, "CommitDate: ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
7b99a34c | 592 | LINE(PP_REFS, "Refs: ", COLOR_RED, COLOR_DEFAULT, 0), \ |
a28bcc22 JF |
593 | LINE(COMMIT, "commit ", COLOR_GREEN, COLOR_DEFAULT, 0), \ |
594 | LINE(PARENT, "parent ", COLOR_BLUE, COLOR_DEFAULT, 0), \ | |
595 | LINE(TREE, "tree ", COLOR_BLUE, COLOR_DEFAULT, 0), \ | |
8855ada4 | 596 | LINE(AUTHOR, "author ", COLOR_CYAN, COLOR_DEFAULT, 0), \ |
a28bcc22 | 597 | LINE(COMMITTER, "committer ", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
a28bcc22 | 598 | LINE(SIGNOFF, " Signed-off-by", COLOR_YELLOW, COLOR_DEFAULT, 0), \ |
d4d8de8f | 599 | LINE(ACKED, " Acked-by", COLOR_YELLOW, COLOR_DEFAULT, 0), \ |
a28bcc22 JF |
600 | LINE(DEFAULT, "", COLOR_DEFAULT, COLOR_DEFAULT, A_NORMAL), \ |
601 | LINE(CURSOR, "", COLOR_WHITE, COLOR_GREEN, A_BOLD), \ | |
602 | LINE(STATUS, "", COLOR_GREEN, COLOR_DEFAULT, 0), \ | |
6b161b31 JF |
603 | LINE(TITLE_BLUR, "", COLOR_WHITE, COLOR_BLUE, 0), \ |
604 | LINE(TITLE_FOCUS, "", COLOR_WHITE, COLOR_BLUE, A_BOLD), \ | |
a28bcc22 JF |
605 | LINE(MAIN_DATE, "", COLOR_BLUE, COLOR_DEFAULT, 0), \ |
606 | LINE(MAIN_AUTHOR, "", COLOR_GREEN, COLOR_DEFAULT, 0), \ | |
607 | LINE(MAIN_COMMIT, "", COLOR_DEFAULT, COLOR_DEFAULT, 0), \ | |
c34d9c9f JF |
608 | LINE(MAIN_DELIM, "", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
609 | LINE(MAIN_TAG, "", COLOR_MAGENTA, COLOR_DEFAULT, A_BOLD), \ | |
e15ec88e | 610 | LINE(MAIN_REMOTE, "", COLOR_YELLOW, COLOR_DEFAULT, A_BOLD), \ |
660e09ad | 611 | LINE(MAIN_REF, "", COLOR_CYAN, COLOR_DEFAULT, A_BOLD), \ |
e733ee54 | 612 | LINE(TREE_DIR, "", COLOR_DEFAULT, COLOR_DEFAULT, A_NORMAL), \ |
173d76ea JF |
613 | LINE(TREE_FILE, "", COLOR_DEFAULT, COLOR_DEFAULT, A_NORMAL), \ |
614 | LINE(STAT_SECTION, "", COLOR_DEFAULT, COLOR_BLUE, A_BOLD), \ | |
615 | LINE(STAT_NONE, "", COLOR_DEFAULT, COLOR_DEFAULT, 0), \ | |
616 | LINE(STAT_STAGED, "", COLOR_CYAN, COLOR_DEFAULT, 0), \ | |
617 | LINE(STAT_UNSTAGED,"", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
618 | LINE(STAT_UNTRACKED,"", COLOR_MAGENTA, COLOR_DEFAULT, 0) | |
660e09ad | 619 | |
78c70acd | 620 | enum line_type { |
2e8488b4 JF |
621 | #define LINE(type, line, fg, bg, attr) \ |
622 | LINE_##type | |
623 | LINE_INFO | |
624 | #undef LINE | |
78c70acd JF |
625 | }; |
626 | ||
627 | struct line_info { | |
660e09ad JF |
628 | const char *name; /* Option name. */ |
629 | int namelen; /* Size of option name. */ | |
4685845e | 630 | const char *line; /* The start of line to match. */ |
2e8488b4 JF |
631 | int linelen; /* Size of string to match. */ |
632 | int fg, bg, attr; /* Color and text attributes for the lines. */ | |
78c70acd JF |
633 | }; |
634 | ||
2e8488b4 | 635 | static struct line_info line_info[] = { |
78c70acd | 636 | #define LINE(type, line, fg, bg, attr) \ |
660e09ad | 637 | { #type, STRING_SIZE(#type), (line), STRING_SIZE(line), (fg), (bg), (attr) } |
2e8488b4 JF |
638 | LINE_INFO |
639 | #undef LINE | |
78c70acd JF |
640 | }; |
641 | ||
2e8488b4 JF |
642 | static enum line_type |
643 | get_line_type(char *line) | |
78c70acd JF |
644 | { |
645 | int linelen = strlen(line); | |
a28bcc22 | 646 | enum line_type type; |
78c70acd | 647 | |
a28bcc22 | 648 | for (type = 0; type < ARRAY_SIZE(line_info); type++) |
2e8488b4 | 649 | /* Case insensitive search matches Signed-off-by lines better. */ |
a28bcc22 JF |
650 | if (linelen >= line_info[type].linelen && |
651 | !strncasecmp(line_info[type].line, line, line_info[type].linelen)) | |
652 | return type; | |
78c70acd | 653 | |
2e8488b4 | 654 | return LINE_DEFAULT; |
78c70acd JF |
655 | } |
656 | ||
2e8488b4 | 657 | static inline int |
78c70acd JF |
658 | get_line_attr(enum line_type type) |
659 | { | |
2e8488b4 JF |
660 | assert(type < ARRAY_SIZE(line_info)); |
661 | return COLOR_PAIR(type) | line_info[type].attr; | |
78c70acd JF |
662 | } |
663 | ||
660e09ad JF |
664 | static struct line_info * |
665 | get_line_info(char *name, int namelen) | |
666 | { | |
667 | enum line_type type; | |
660e09ad JF |
668 | |
669 | for (type = 0; type < ARRAY_SIZE(line_info); type++) | |
670 | if (namelen == line_info[type].namelen && | |
201f5a18 | 671 | !string_enum_compare(line_info[type].name, name, namelen)) |
660e09ad JF |
672 | return &line_info[type]; |
673 | ||
674 | return NULL; | |
675 | } | |
676 | ||
78c70acd JF |
677 | static void |
678 | init_colors(void) | |
679 | { | |
82e78006 JF |
680 | int default_bg = COLOR_BLACK; |
681 | int default_fg = COLOR_WHITE; | |
a28bcc22 | 682 | enum line_type type; |
78c70acd JF |
683 | |
684 | start_color(); | |
685 | ||
686 | if (use_default_colors() != ERR) { | |
82e78006 JF |
687 | default_bg = -1; |
688 | default_fg = -1; | |
78c70acd JF |
689 | } |
690 | ||
a28bcc22 JF |
691 | for (type = 0; type < ARRAY_SIZE(line_info); type++) { |
692 | struct line_info *info = &line_info[type]; | |
82e78006 JF |
693 | int bg = info->bg == COLOR_DEFAULT ? default_bg : info->bg; |
694 | int fg = info->fg == COLOR_DEFAULT ? default_fg : info->fg; | |
78c70acd | 695 | |
a28bcc22 | 696 | init_pair(type, fg, bg); |
78c70acd JF |
697 | } |
698 | } | |
699 | ||
fe7233c3 JF |
700 | struct line { |
701 | enum line_type type; | |
3c571d67 JF |
702 | |
703 | /* State flags */ | |
704 | unsigned int selected:1; | |
705 | ||
fe7233c3 JF |
706 | void *data; /* User data */ |
707 | }; | |
708 | ||
78c70acd | 709 | |
1899507c | 710 | /* |
37157fa0 JF |
711 | * Keys |
712 | */ | |
713 | ||
93a97d86 | 714 | struct keybinding { |
37157fa0 | 715 | int alias; |
93a97d86 | 716 | enum request request; |
04e2b7b2 | 717 | struct keybinding *next; |
37157fa0 JF |
718 | }; |
719 | ||
93a97d86 | 720 | static struct keybinding default_keybindings[] = { |
37157fa0 JF |
721 | /* View switching */ |
722 | { 'm', REQ_VIEW_MAIN }, | |
723 | { 'd', REQ_VIEW_DIFF }, | |
724 | { 'l', REQ_VIEW_LOG }, | |
e733ee54 | 725 | { 't', REQ_VIEW_TREE }, |
0001fc34 | 726 | { 'f', REQ_VIEW_BLOB }, |
37157fa0 JF |
727 | { 'p', REQ_VIEW_PAGER }, |
728 | { 'h', REQ_VIEW_HELP }, | |
173d76ea | 729 | { 'S', REQ_VIEW_STATUS }, |
37157fa0 JF |
730 | |
731 | /* View manipulation */ | |
732 | { 'q', REQ_VIEW_CLOSE }, | |
733 | { KEY_TAB, REQ_VIEW_NEXT }, | |
734 | { KEY_RETURN, REQ_ENTER }, | |
735 | { KEY_UP, REQ_PREVIOUS }, | |
736 | { KEY_DOWN, REQ_NEXT }, | |
737 | ||
738 | /* Cursor navigation */ | |
739 | { 'k', REQ_MOVE_UP }, | |
740 | { 'j', REQ_MOVE_DOWN }, | |
741 | { KEY_HOME, REQ_MOVE_FIRST_LINE }, | |
742 | { KEY_END, REQ_MOVE_LAST_LINE }, | |
743 | { KEY_NPAGE, REQ_MOVE_PAGE_DOWN }, | |
744 | { ' ', REQ_MOVE_PAGE_DOWN }, | |
745 | { KEY_PPAGE, REQ_MOVE_PAGE_UP }, | |
746 | { 'b', REQ_MOVE_PAGE_UP }, | |
747 | { '-', REQ_MOVE_PAGE_UP }, | |
748 | ||
749 | /* Scrolling */ | |
750 | { KEY_IC, REQ_SCROLL_LINE_UP }, | |
751 | { KEY_DC, REQ_SCROLL_LINE_DOWN }, | |
752 | { 'w', REQ_SCROLL_PAGE_UP }, | |
753 | { 's', REQ_SCROLL_PAGE_DOWN }, | |
754 | ||
4af34daa JF |
755 | /* Searching */ |
756 | { '/', REQ_SEARCH }, | |
757 | { '?', REQ_SEARCH_BACK }, | |
758 | { 'n', REQ_FIND_NEXT }, | |
759 | { 'N', REQ_FIND_PREV }, | |
760 | ||
37157fa0 JF |
761 | /* Misc */ |
762 | { 'Q', REQ_QUIT }, | |
763 | { 'z', REQ_STOP_LOADING }, | |
764 | { 'v', REQ_SHOW_VERSION }, | |
765 | { 'r', REQ_SCREEN_REDRAW }, | |
904e68d8 | 766 | { '.', REQ_TOGGLE_LINENO }, |
73fb51d5 | 767 | { 'g', REQ_TOGGLE_REV_GRAPH }, |
37157fa0 | 768 | { ':', REQ_PROMPT }, |
ca1d71ea | 769 | { 'u', REQ_STATUS_UPDATE }, |
37157fa0 | 770 | |
1d754561 | 771 | /* Using the ncurses SIGWINCH handler. */ |
37157fa0 JF |
772 | { KEY_RESIZE, REQ_SCREEN_RESIZE }, |
773 | }; | |
774 | ||
04e2b7b2 JF |
775 | #define KEYMAP_INFO \ |
776 | KEYMAP_(GENERIC), \ | |
777 | KEYMAP_(MAIN), \ | |
778 | KEYMAP_(DIFF), \ | |
779 | KEYMAP_(LOG), \ | |
e733ee54 JF |
780 | KEYMAP_(TREE), \ |
781 | KEYMAP_(BLOB), \ | |
04e2b7b2 | 782 | KEYMAP_(PAGER), \ |
173d76ea JF |
783 | KEYMAP_(HELP), \ |
784 | KEYMAP_(STATUS) | |
04e2b7b2 JF |
785 | |
786 | enum keymap { | |
787 | #define KEYMAP_(name) KEYMAP_##name | |
788 | KEYMAP_INFO | |
789 | #undef KEYMAP_ | |
790 | }; | |
791 | ||
792 | static struct int_map keymap_table[] = { | |
793 | #define KEYMAP_(name) { #name, STRING_SIZE(#name), KEYMAP_##name } | |
794 | KEYMAP_INFO | |
795 | #undef KEYMAP_ | |
796 | }; | |
797 | ||
798 | #define set_keymap(map, name) \ | |
799 | set_from_int_map(keymap_table, ARRAY_SIZE(keymap_table), map, name, strlen(name)) | |
800 | ||
801 | static struct keybinding *keybindings[ARRAY_SIZE(keymap_table)]; | |
802 | ||
803 | static void | |
804 | add_keybinding(enum keymap keymap, enum request request, int key) | |
805 | { | |
806 | struct keybinding *keybinding; | |
807 | ||
808 | keybinding = calloc(1, sizeof(*keybinding)); | |
809 | if (!keybinding) | |
810 | die("Failed to allocate keybinding"); | |
811 | ||
812 | keybinding->alias = key; | |
813 | keybinding->request = request; | |
814 | keybinding->next = keybindings[keymap]; | |
815 | keybindings[keymap] = keybinding; | |
816 | } | |
817 | ||
818 | /* Looks for a key binding first in the given map, then in the generic map, and | |
819 | * lastly in the default keybindings. */ | |
37157fa0 | 820 | static enum request |
04e2b7b2 | 821 | get_keybinding(enum keymap keymap, int key) |
37157fa0 | 822 | { |
04e2b7b2 | 823 | struct keybinding *kbd; |
37157fa0 JF |
824 | int i; |
825 | ||
04e2b7b2 JF |
826 | for (kbd = keybindings[keymap]; kbd; kbd = kbd->next) |
827 | if (kbd->alias == key) | |
828 | return kbd->request; | |
829 | ||
830 | for (kbd = keybindings[KEYMAP_GENERIC]; kbd; kbd = kbd->next) | |
831 | if (kbd->alias == key) | |
832 | return kbd->request; | |
833 | ||
93a97d86 JF |
834 | for (i = 0; i < ARRAY_SIZE(default_keybindings); i++) |
835 | if (default_keybindings[i].alias == key) | |
836 | return default_keybindings[i].request; | |
37157fa0 JF |
837 | |
838 | return (enum request) key; | |
839 | } | |
840 | ||
93a97d86 | 841 | |
37157fa0 JF |
842 | struct key { |
843 | char *name; | |
844 | int value; | |
845 | }; | |
846 | ||
847 | static struct key key_table[] = { | |
848 | { "Enter", KEY_RETURN }, | |
849 | { "Space", ' ' }, | |
850 | { "Backspace", KEY_BACKSPACE }, | |
851 | { "Tab", KEY_TAB }, | |
852 | { "Escape", KEY_ESC }, | |
853 | { "Left", KEY_LEFT }, | |
854 | { "Right", KEY_RIGHT }, | |
855 | { "Up", KEY_UP }, | |
856 | { "Down", KEY_DOWN }, | |
857 | { "Insert", KEY_IC }, | |
858 | { "Delete", KEY_DC }, | |
74f83ee6 | 859 | { "Hash", '#' }, |
37157fa0 JF |
860 | { "Home", KEY_HOME }, |
861 | { "End", KEY_END }, | |
862 | { "PageUp", KEY_PPAGE }, | |
863 | { "PageDown", KEY_NPAGE }, | |
864 | { "F1", KEY_F(1) }, | |
865 | { "F2", KEY_F(2) }, | |
866 | { "F3", KEY_F(3) }, | |
867 | { "F4", KEY_F(4) }, | |
868 | { "F5", KEY_F(5) }, | |
869 | { "F6", KEY_F(6) }, | |
870 | { "F7", KEY_F(7) }, | |
871 | { "F8", KEY_F(8) }, | |
872 | { "F9", KEY_F(9) }, | |
873 | { "F10", KEY_F(10) }, | |
874 | { "F11", KEY_F(11) }, | |
875 | { "F12", KEY_F(12) }, | |
876 | }; | |
877 | ||
04e2b7b2 JF |
878 | static int |
879 | get_key_value(const char *name) | |
880 | { | |
881 | int i; | |
882 | ||
883 | for (i = 0; i < ARRAY_SIZE(key_table); i++) | |
884 | if (!strcasecmp(key_table[i].name, name)) | |
885 | return key_table[i].value; | |
886 | ||
887 | if (strlen(name) == 1 && isprint(*name)) | |
888 | return (int) *name; | |
889 | ||
890 | return ERR; | |
891 | } | |
892 | ||
37157fa0 JF |
893 | static char * |
894 | get_key(enum request request) | |
895 | { | |
896 | static char buf[BUFSIZ]; | |
897 | static char key_char[] = "'X'"; | |
d65ced0d | 898 | size_t pos = 0; |
520094b4 | 899 | char *sep = ""; |
37157fa0 JF |
900 | int i; |
901 | ||
902 | buf[pos] = 0; | |
903 | ||
93a97d86 JF |
904 | for (i = 0; i < ARRAY_SIZE(default_keybindings); i++) { |
905 | struct keybinding *keybinding = &default_keybindings[i]; | |
37157fa0 JF |
906 | char *seq = NULL; |
907 | int key; | |
908 | ||
93a97d86 | 909 | if (keybinding->request != request) |
37157fa0 JF |
910 | continue; |
911 | ||
912 | for (key = 0; key < ARRAY_SIZE(key_table); key++) | |
93a97d86 | 913 | if (key_table[key].value == keybinding->alias) |
37157fa0 JF |
914 | seq = key_table[key].name; |
915 | ||
916 | if (seq == NULL && | |
93a97d86 JF |
917 | keybinding->alias < 127 && |
918 | isprint(keybinding->alias)) { | |
919 | key_char[1] = (char) keybinding->alias; | |
37157fa0 JF |
920 | seq = key_char; |
921 | } | |
922 | ||
923 | if (!seq) | |
924 | seq = "'?'"; | |
925 | ||
926 | if (!string_format_from(buf, &pos, "%s%s", sep, seq)) | |
927 | return "Too many keybindings!"; | |
928 | sep = ", "; | |
929 | } | |
930 | ||
931 | return buf; | |
932 | } | |
933 | ||
934 | ||
935 | /* | |
1899507c JF |
936 | * User config file handling. |
937 | */ | |
938 | ||
5dc795f2 JF |
939 | static struct int_map color_map[] = { |
940 | #define COLOR_MAP(name) { #name, STRING_SIZE(#name), COLOR_##name } | |
941 | COLOR_MAP(DEFAULT), | |
942 | COLOR_MAP(BLACK), | |
943 | COLOR_MAP(BLUE), | |
944 | COLOR_MAP(CYAN), | |
945 | COLOR_MAP(GREEN), | |
946 | COLOR_MAP(MAGENTA), | |
947 | COLOR_MAP(RED), | |
948 | COLOR_MAP(WHITE), | |
949 | COLOR_MAP(YELLOW), | |
950 | }; | |
951 | ||
9256ab05 JF |
952 | #define set_color(color, name) \ |
953 | set_from_int_map(color_map, ARRAY_SIZE(color_map), color, name, strlen(name)) | |
660e09ad | 954 | |
5dc795f2 JF |
955 | static struct int_map attr_map[] = { |
956 | #define ATTR_MAP(name) { #name, STRING_SIZE(#name), A_##name } | |
957 | ATTR_MAP(NORMAL), | |
958 | ATTR_MAP(BLINK), | |
959 | ATTR_MAP(BOLD), | |
960 | ATTR_MAP(DIM), | |
961 | ATTR_MAP(REVERSE), | |
962 | ATTR_MAP(STANDOUT), | |
963 | ATTR_MAP(UNDERLINE), | |
964 | }; | |
965 | ||
9256ab05 JF |
966 | #define set_attribute(attr, name) \ |
967 | set_from_int_map(attr_map, ARRAY_SIZE(attr_map), attr, name, strlen(name)) | |
660e09ad | 968 | |
3c3801c2 JF |
969 | static int config_lineno; |
970 | static bool config_errors; | |
971 | static char *config_msg; | |
972 | ||
5bfd96c7 | 973 | /* Wants: object fgcolor bgcolor [attr] */ |
660e09ad | 974 | static int |
5bfd96c7 | 975 | option_color_command(int argc, char *argv[]) |
660e09ad | 976 | { |
bca8fcaa JF |
977 | struct line_info *info; |
978 | ||
9256ab05 JF |
979 | if (argc != 3 && argc != 4) { |
980 | config_msg = "Wrong number of arguments given to color command"; | |
981 | return ERR; | |
982 | } | |
983 | ||
984 | info = get_line_info(argv[0], strlen(argv[0])); | |
bca8fcaa JF |
985 | if (!info) { |
986 | config_msg = "Unknown color name"; | |
987 | return ERR; | |
988 | } | |
660e09ad | 989 | |
a3653368 JF |
990 | if (set_color(&info->fg, argv[1]) == ERR || |
991 | set_color(&info->bg, argv[2]) == ERR) { | |
bca8fcaa JF |
992 | config_msg = "Unknown color"; |
993 | return ERR; | |
994 | } | |
660e09ad | 995 | |
9256ab05 | 996 | if (argc == 4 && set_attribute(&info->attr, argv[3]) == ERR) { |
bca8fcaa JF |
997 | config_msg = "Unknown attribute"; |
998 | return ERR; | |
660e09ad JF |
999 | } |
1000 | ||
bca8fcaa JF |
1001 | return OK; |
1002 | } | |
1003 | ||
5bfd96c7 JF |
1004 | /* Wants: name = value */ |
1005 | static int | |
1006 | option_set_command(int argc, char *argv[]) | |
1007 | { | |
1008 | if (argc != 3) { | |
1009 | config_msg = "Wrong number of arguments given to set command"; | |
1010 | return ERR; | |
1011 | } | |
1012 | ||
1013 | if (strcmp(argv[1], "=")) { | |
1014 | config_msg = "No value assigned"; | |
1015 | return ERR; | |
1016 | } | |
1017 | ||
1018 | if (!strcmp(argv[0], "show-rev-graph")) { | |
1019 | opt_rev_graph = (!strcmp(argv[2], "1") || | |
1020 | !strcmp(argv[2], "true") || | |
1021 | !strcmp(argv[2], "yes")); | |
1022 | return OK; | |
1023 | } | |
1024 | ||
1025 | if (!strcmp(argv[0], "line-number-interval")) { | |
1026 | opt_num_interval = atoi(argv[2]); | |
1027 | return OK; | |
1028 | } | |
1029 | ||
1030 | if (!strcmp(argv[0], "tab-size")) { | |
1031 | opt_tab_size = atoi(argv[2]); | |
1032 | return OK; | |
1033 | } | |
1034 | ||
cb7267ee | 1035 | if (!strcmp(argv[0], "commit-encoding")) { |
3cc9a4d4 JF |
1036 | char *arg = argv[2]; |
1037 | int delimiter = *arg; | |
1038 | int i; | |
1039 | ||
1040 | switch (delimiter) { | |
1041 | case '"': | |
1042 | case '\'': | |
1043 | for (arg++, i = 0; arg[i]; i++) | |
1044 | if (arg[i] == delimiter) { | |
1045 | arg[i] = 0; | |
1046 | break; | |
1047 | } | |
1048 | default: | |
739e81de | 1049 | string_ncopy(opt_encoding, arg, strlen(arg)); |
3cc9a4d4 JF |
1050 | return OK; |
1051 | } | |
5bfd96c7 JF |
1052 | } |
1053 | ||
a3653368 | 1054 | config_msg = "Unknown variable name"; |
5bfd96c7 JF |
1055 | return ERR; |
1056 | } | |
1057 | ||
04e2b7b2 JF |
1058 | /* Wants: mode request key */ |
1059 | static int | |
1060 | option_bind_command(int argc, char *argv[]) | |
1061 | { | |
1062 | enum request request; | |
1063 | int keymap; | |
1064 | int key; | |
1065 | ||
1066 | if (argc != 3) { | |
1067 | config_msg = "Wrong number of arguments given to bind command"; | |
1068 | return ERR; | |
1069 | } | |
1070 | ||
1071 | if (set_keymap(&keymap, argv[0]) == ERR) { | |
1072 | config_msg = "Unknown key map"; | |
1073 | return ERR; | |
1074 | } | |
1075 | ||
1076 | key = get_key_value(argv[1]); | |
1077 | if (key == ERR) { | |
1078 | config_msg = "Unknown key"; | |
1079 | return ERR; | |
1080 | } | |
1081 | ||
1082 | request = get_request(argv[2]); | |
1083 | if (request == REQ_UNKNOWN) { | |
1084 | config_msg = "Unknown request name"; | |
1085 | return ERR; | |
1086 | } | |
1087 | ||
1088 | add_keybinding(keymap, request, key); | |
1089 | ||
1090 | return OK; | |
1091 | } | |
1092 | ||
bca8fcaa | 1093 | static int |
9256ab05 | 1094 | set_option(char *opt, char *value) |
bca8fcaa | 1095 | { |
9256ab05 JF |
1096 | char *argv[16]; |
1097 | int valuelen; | |
1098 | int argc = 0; | |
1099 | ||
1100 | /* Tokenize */ | |
1101 | while (argc < ARRAY_SIZE(argv) && (valuelen = strcspn(value, " \t"))) { | |
1102 | argv[argc++] = value; | |
1103 | ||
1104 | value += valuelen; | |
1105 | if (!*value) | |
1106 | break; | |
1107 | ||
1108 | *value++ = 0; | |
1109 | while (isspace(*value)) | |
1110 | value++; | |
1111 | } | |
1112 | ||
1113 | if (!strcmp(opt, "color")) | |
5bfd96c7 JF |
1114 | return option_color_command(argc, argv); |
1115 | ||
1116 | if (!strcmp(opt, "set")) | |
1117 | return option_set_command(argc, argv); | |
bca8fcaa | 1118 | |
04e2b7b2 JF |
1119 | if (!strcmp(opt, "bind")) |
1120 | return option_bind_command(argc, argv); | |
1121 | ||
a3653368 | 1122 | config_msg = "Unknown option command"; |
660e09ad JF |
1123 | return ERR; |
1124 | } | |
1125 | ||
1126 | static int | |
5699e0cf | 1127 | read_option(char *opt, size_t optlen, char *value, size_t valuelen) |
3c3801c2 | 1128 | { |
a3653368 JF |
1129 | int status = OK; |
1130 | ||
3c3801c2 JF |
1131 | config_lineno++; |
1132 | config_msg = "Internal error"; | |
1133 | ||
a3653368 JF |
1134 | /* Check for comment markers, since read_properties() will |
1135 | * only ensure opt and value are split at first " \t". */ | |
74f83ee6 | 1136 | optlen = strcspn(opt, "#"); |
a3653368 | 1137 | if (optlen == 0) |
3c3801c2 JF |
1138 | return OK; |
1139 | ||
a3653368 JF |
1140 | if (opt[optlen] != 0) { |
1141 | config_msg = "No option value"; | |
1142 | status = ERR; | |
1143 | ||
1144 | } else { | |
1145 | /* Look for comment endings in the value. */ | |
5699e0cf | 1146 | size_t len = strcspn(value, "#"); |
a3653368 JF |
1147 | |
1148 | if (len < valuelen) { | |
1149 | valuelen = len; | |
1150 | value[valuelen] = 0; | |
1151 | } | |
1152 | ||
1153 | status = set_option(opt, value); | |
3c3801c2 JF |
1154 | } |
1155 | ||
a3653368 JF |
1156 | if (status == ERR) { |
1157 | fprintf(stderr, "Error on line %d, near '%.*s': %s\n", | |
07c3971e | 1158 | config_lineno, (int) optlen, opt, config_msg); |
3c3801c2 JF |
1159 | config_errors = TRUE; |
1160 | } | |
1161 | ||
1162 | /* Always keep going if errors are encountered. */ | |
1163 | return OK; | |
1164 | } | |
1165 | ||
1166 | static int | |
660e09ad JF |
1167 | load_options(void) |
1168 | { | |
1169 | char *home = getenv("HOME"); | |
17482b11 | 1170 | char buf[SIZEOF_STR]; |
660e09ad JF |
1171 | FILE *file; |
1172 | ||
3c3801c2 JF |
1173 | config_lineno = 0; |
1174 | config_errors = FALSE; | |
1175 | ||
cc2d1364 | 1176 | if (!home || !string_format(buf, "%s/.tigrc", home)) |
660e09ad JF |
1177 | return ERR; |
1178 | ||
1179 | /* It's ok that the file doesn't exist. */ | |
1180 | file = fopen(buf, "r"); | |
1181 | if (!file) | |
1182 | return OK; | |
1183 | ||
3c3801c2 JF |
1184 | if (read_properties(file, " \t", read_option) == ERR || |
1185 | config_errors == TRUE) | |
1186 | fprintf(stderr, "Errors while loading %s.\n", buf); | |
1187 | ||
1188 | return OK; | |
660e09ad JF |
1189 | } |
1190 | ||
1191 | ||
d839253b | 1192 | /* |
468876c9 | 1193 | * The viewer |
d839253b | 1194 | */ |
c2124ccd JF |
1195 | |
1196 | struct view; | |
fe7233c3 | 1197 | struct view_ops; |
c2124ccd JF |
1198 | |
1199 | /* The display array of active views and the index of the current view. */ | |
1200 | static struct view *display[2]; | |
1201 | static unsigned int current_view; | |
1202 | ||
ab4af23e JF |
1203 | /* Reading from the prompt? */ |
1204 | static bool input_mode = FALSE; | |
1205 | ||
33c4f9ea | 1206 | #define foreach_displayed_view(view, i) \ |
c2124ccd JF |
1207 | for (i = 0; i < ARRAY_SIZE(display) && (view = display[i]); i++) |
1208 | ||
9f41488f | 1209 | #define displayed_views() (display[1] != NULL ? 2 : 1) |
c2124ccd | 1210 | |
d839253b | 1211 | /* Current head and commit ID */ |
e733ee54 | 1212 | static char ref_blob[SIZEOF_REF] = ""; |
c2124ccd JF |
1213 | static char ref_commit[SIZEOF_REF] = "HEAD"; |
1214 | static char ref_head[SIZEOF_REF] = "HEAD"; | |
1215 | ||
b801d8b2 | 1216 | struct view { |
03a93dbb | 1217 | const char *name; /* View name */ |
4685845e TH |
1218 | const char *cmd_fmt; /* Default command line format */ |
1219 | const char *cmd_env; /* Command line set via environment */ | |
e733ee54 | 1220 | const char *id; /* Points to either of ref_{head,commit,blob} */ |
6b161b31 | 1221 | |
fe7233c3 | 1222 | struct view_ops *ops; /* View operations */ |
22f66b0a | 1223 | |
04e2b7b2 JF |
1224 | enum keymap keymap; /* What keymap does this view have */ |
1225 | ||
17482b11 | 1226 | char cmd[SIZEOF_STR]; /* Command buffer */ |
49f2b43f JF |
1227 | char ref[SIZEOF_REF]; /* Hovered commit reference */ |
1228 | char vid[SIZEOF_REF]; /* View ID. Set to id member when updating. */ | |
2e8488b4 | 1229 | |
8855ada4 JF |
1230 | int height, width; /* The width and height of the main window */ |
1231 | WINDOW *win; /* The main window */ | |
1232 | WINDOW *title; /* The title window living below the main window */ | |
b801d8b2 JF |
1233 | |
1234 | /* Navigation */ | |
1235 | unsigned long offset; /* Offset of the window top */ | |
1236 | unsigned long lineno; /* Current line number */ | |
1237 | ||
4af34daa JF |
1238 | /* Searching */ |
1239 | char grep[SIZEOF_STR]; /* Search string */ | |
b77b2cb8 | 1240 | regex_t *regex; /* Pre-compiled regex */ |
4af34daa | 1241 | |
f6da0b66 JF |
1242 | /* If non-NULL, points to the view that opened this view. If this view |
1243 | * is closed tig will switch back to the parent view. */ | |
1244 | struct view *parent; | |
1245 | ||
b801d8b2 JF |
1246 | /* Buffering */ |
1247 | unsigned long lines; /* Total number of lines */ | |
fe7233c3 | 1248 | struct line *line; /* Line index */ |
e2c01617 | 1249 | unsigned long line_size;/* Total number of allocated lines */ |
8855ada4 | 1250 | unsigned int digits; /* Number of digits in the lines member. */ |
b801d8b2 JF |
1251 | |
1252 | /* Loading */ | |
1253 | FILE *pipe; | |
2e8488b4 | 1254 | time_t start_time; |
b801d8b2 JF |
1255 | }; |
1256 | ||
fe7233c3 JF |
1257 | struct view_ops { |
1258 | /* What type of content being displayed. Used in the title bar. */ | |
1259 | const char *type; | |
f098944b JF |
1260 | /* Open and reads in all view content. */ |
1261 | bool (*open)(struct view *view); | |
fe7233c3 | 1262 | /* Read one line; updates view->line. */ |
701e4f5d | 1263 | bool (*read)(struct view *view, char *data); |
f098944b JF |
1264 | /* Draw one line; @lineno must be < view->height. */ |
1265 | bool (*draw)(struct view *view, struct line *line, unsigned int lineno, bool selected); | |
586c423d JF |
1266 | /* Depending on view handle a special requests. */ |
1267 | enum request (*request)(struct view *view, enum request request, struct line *line); | |
4af34daa JF |
1268 | /* Search for regex in a line. */ |
1269 | bool (*grep)(struct view *view, struct line *line); | |
d720de4b JF |
1270 | /* Select line */ |
1271 | void (*select)(struct view *view, struct line *line); | |
fe7233c3 JF |
1272 | }; |
1273 | ||
6b161b31 JF |
1274 | static struct view_ops pager_ops; |
1275 | static struct view_ops main_ops; | |
e733ee54 JF |
1276 | static struct view_ops tree_ops; |
1277 | static struct view_ops blob_ops; | |
f098944b | 1278 | static struct view_ops help_ops; |
173d76ea | 1279 | static struct view_ops status_ops; |
a28bcc22 | 1280 | |
04e2b7b2 JF |
1281 | #define VIEW_STR(name, cmd, env, ref, ops, map) \ |
1282 | { name, cmd, #env, ref, ops, map} | |
1ba2ae4b | 1283 | |
95d7ddcd | 1284 | #define VIEW_(id, name, ops, ref) \ |
04e2b7b2 | 1285 | VIEW_STR(name, TIG_##id##_CMD, TIG_##id##_CMD, ref, ops, KEYMAP_##id) |
1ba2ae4b | 1286 | |
c2124ccd | 1287 | |
b801d8b2 | 1288 | static struct view views[] = { |
173d76ea JF |
1289 | VIEW_(MAIN, "main", &main_ops, ref_head), |
1290 | VIEW_(DIFF, "diff", &pager_ops, ref_commit), | |
1291 | VIEW_(LOG, "log", &pager_ops, ref_head), | |
1292 | VIEW_(TREE, "tree", &tree_ops, ref_commit), | |
1293 | VIEW_(BLOB, "blob", &blob_ops, ref_blob), | |
b64c5b75 JF |
1294 | VIEW_(HELP, "help", &help_ops, ""), |
1295 | VIEW_(PAGER, "pager", &pager_ops, "stdin"), | |
173d76ea | 1296 | VIEW_(STATUS, "status", &status_ops, ""), |
b801d8b2 JF |
1297 | }; |
1298 | ||
a28bcc22 JF |
1299 | #define VIEW(req) (&views[(req) - REQ_OFFSET - 1]) |
1300 | ||
699ae55b JF |
1301 | #define foreach_view(view, i) \ |
1302 | for (i = 0; i < ARRAY_SIZE(views) && (view = &views[i]); i++) | |
1303 | ||
1304 | #define view_is_displayed(view) \ | |
1305 | (view == display[0] || view == display[1]) | |
4c6fabc2 | 1306 | |
fe7233c3 JF |
1307 | static bool |
1308 | draw_view_line(struct view *view, unsigned int lineno) | |
1309 | { | |
d720de4b | 1310 | struct line *line; |
5dcf8064 | 1311 | bool selected = (view->offset + lineno == view->lineno); |
4887d44e | 1312 | bool draw_ok; |
d720de4b | 1313 | |
699ae55b JF |
1314 | assert(view_is_displayed(view)); |
1315 | ||
fe7233c3 JF |
1316 | if (view->offset + lineno >= view->lines) |
1317 | return FALSE; | |
1318 | ||
d720de4b JF |
1319 | line = &view->line[view->offset + lineno]; |
1320 | ||
3c571d67 JF |
1321 | if (selected) { |
1322 | line->selected = TRUE; | |
d720de4b | 1323 | view->ops->select(view, line); |
3c571d67 JF |
1324 | } else if (line->selected) { |
1325 | line->selected = FALSE; | |
1326 | wmove(view->win, lineno, 0); | |
1327 | wclrtoeol(view->win); | |
1328 | } | |
d720de4b | 1329 | |
4887d44e JF |
1330 | scrollok(view->win, FALSE); |
1331 | draw_ok = view->ops->draw(view, line, lineno, selected); | |
1332 | scrollok(view->win, TRUE); | |
1333 | ||
1334 | return draw_ok; | |
fe7233c3 JF |
1335 | } |
1336 | ||
b801d8b2 | 1337 | static void |
82e78006 | 1338 | redraw_view_from(struct view *view, int lineno) |
b801d8b2 | 1339 | { |
82e78006 | 1340 | assert(0 <= lineno && lineno < view->height); |
b801d8b2 | 1341 | |
82e78006 | 1342 | for (; lineno < view->height; lineno++) { |
fe7233c3 | 1343 | if (!draw_view_line(view, lineno)) |
fd85fef1 | 1344 | break; |
b801d8b2 JF |
1345 | } |
1346 | ||
1347 | redrawwin(view->win); | |
ab4af23e JF |
1348 | if (input_mode) |
1349 | wnoutrefresh(view->win); | |
1350 | else | |
1351 | wrefresh(view->win); | |
b801d8b2 JF |
1352 | } |
1353 | ||
b76c2afc | 1354 | static void |
82e78006 JF |
1355 | redraw_view(struct view *view) |
1356 | { | |
1357 | wclear(view->win); | |
1358 | redraw_view_from(view, 0); | |
1359 | } | |
1360 | ||
c2124ccd | 1361 | |
6b161b31 | 1362 | static void |
81030ec8 JF |
1363 | update_view_title(struct view *view) |
1364 | { | |
3c112a88 | 1365 | char buf[SIZEOF_STR]; |
71d1c7db JF |
1366 | char state[SIZEOF_STR]; |
1367 | size_t bufpos = 0, statelen = 0; | |
81030ec8 | 1368 | |
3c112a88 | 1369 | assert(view_is_displayed(view)); |
81030ec8 | 1370 | |
11359638 | 1371 | if (!VIEW(REQ_VIEW_STATUS) && (view->lines || view->pipe)) { |
6d9c07af | 1372 | unsigned int view_lines = view->offset + view->height; |
c19f8017 | 1373 | unsigned int lines = view->lines |
6d9c07af | 1374 | ? MIN(view_lines, view->lines) * 100 / view->lines |
c19f8017 JF |
1375 | : 0; |
1376 | ||
71d1c7db | 1377 | string_format_from(state, &statelen, "- %s %d of %d (%d%%)", |
3c112a88 JF |
1378 | view->ops->type, |
1379 | view->lineno + 1, | |
1380 | view->lines, | |
1381 | lines); | |
81030ec8 | 1382 | |
5becf244 JF |
1383 | if (view->pipe) { |
1384 | time_t secs = time(NULL) - view->start_time; | |
f97f4012 | 1385 | |
5becf244 JF |
1386 | /* Three git seconds are a long time ... */ |
1387 | if (secs > 2) | |
71d1c7db | 1388 | string_format_from(state, &statelen, " %lds", secs); |
5becf244 | 1389 | } |
81030ec8 JF |
1390 | } |
1391 | ||
71d1c7db JF |
1392 | string_format_from(buf, &bufpos, "[%s]", view->name); |
1393 | if (*view->ref && bufpos < view->width) { | |
1394 | size_t refsize = strlen(view->ref); | |
1395 | size_t minsize = bufpos + 1 + /* abbrev= */ 7 + 1 + statelen; | |
1396 | ||
1397 | if (minsize < view->width) | |
1398 | refsize = view->width - minsize + 7; | |
d1858deb | 1399 | string_format_from(buf, &bufpos, " %.*s", (int) refsize, view->ref); |
71d1c7db | 1400 | } |
f97f4012 | 1401 | |
71d1c7db JF |
1402 | if (statelen && bufpos < view->width) { |
1403 | string_format_from(buf, &bufpos, " %s", state); | |
f97f4012 JF |
1404 | } |
1405 | ||
3c112a88 JF |
1406 | if (view == display[current_view]) |
1407 | wbkgdset(view->title, get_line_attr(LINE_TITLE_FOCUS)); | |
1408 | else | |
1409 | wbkgdset(view->title, get_line_attr(LINE_TITLE_BLUR)); | |
1410 | ||
3c112a88 | 1411 | mvwaddnstr(view->title, 0, 0, buf, bufpos); |
390a8262 | 1412 | wclrtoeol(view->title); |
976447f8 | 1413 | wmove(view->title, 0, view->width - 1); |
ab4af23e JF |
1414 | |
1415 | if (input_mode) | |
1416 | wnoutrefresh(view->title); | |
1417 | else | |
1418 | wrefresh(view->title); | |
81030ec8 JF |
1419 | } |
1420 | ||
1421 | static void | |
6b161b31 | 1422 | resize_display(void) |
b76c2afc | 1423 | { |
03a93dbb | 1424 | int offset, i; |
6b161b31 JF |
1425 | struct view *base = display[0]; |
1426 | struct view *view = display[1] ? display[1] : display[0]; | |
b76c2afc | 1427 | |
6b161b31 | 1428 | /* Setup window dimensions */ |
b76c2afc | 1429 | |
03a93dbb | 1430 | getmaxyx(stdscr, base->height, base->width); |
b76c2afc | 1431 | |
6b161b31 | 1432 | /* Make room for the status window. */ |
03a93dbb | 1433 | base->height -= 1; |
6b161b31 JF |
1434 | |
1435 | if (view != base) { | |
03a93dbb JF |
1436 | /* Horizontal split. */ |
1437 | view->width = base->width; | |
6b161b31 JF |
1438 | view->height = SCALE_SPLIT_VIEW(base->height); |
1439 | base->height -= view->height; | |
1440 | ||
1441 | /* Make room for the title bar. */ | |
1442 | view->height -= 1; | |
1443 | } | |
1444 | ||
1445 | /* Make room for the title bar. */ | |
1446 | base->height -= 1; | |
1447 | ||
1448 | offset = 0; | |
1449 | ||
33c4f9ea | 1450 | foreach_displayed_view (view, i) { |
b76c2afc | 1451 | if (!view->win) { |
c19f8017 | 1452 | view->win = newwin(view->height, 0, offset, 0); |
6b161b31 JF |
1453 | if (!view->win) |
1454 | die("Failed to create %s view", view->name); | |
1455 | ||
1456 | scrollok(view->win, TRUE); | |
1457 | ||
1458 | view->title = newwin(1, 0, offset + view->height, 0); | |
1459 | if (!view->title) | |
1460 | die("Failed to create title window"); | |
1461 | ||
1462 | } else { | |
c19f8017 | 1463 | wresize(view->win, view->height, view->width); |
6b161b31 JF |
1464 | mvwin(view->win, offset, 0); |
1465 | mvwin(view->title, offset + view->height, 0); | |
a28bcc22 | 1466 | } |
a28bcc22 | 1467 | |
6b161b31 | 1468 | offset += view->height + 1; |
b76c2afc | 1469 | } |
6b161b31 | 1470 | } |
b76c2afc | 1471 | |
6b161b31 | 1472 | static void |
20bb5e18 JF |
1473 | redraw_display(void) |
1474 | { | |
1475 | struct view *view; | |
1476 | int i; | |
1477 | ||
33c4f9ea | 1478 | foreach_displayed_view (view, i) { |
20bb5e18 JF |
1479 | redraw_view(view); |
1480 | update_view_title(view); | |
1481 | } | |
1482 | } | |
1483 | ||
85af6284 | 1484 | static void |
2bee3bde | 1485 | update_display_cursor(struct view *view) |
85af6284 | 1486 | { |
85af6284 JF |
1487 | /* Move the cursor to the right-most column of the cursor line. |
1488 | * | |
1489 | * XXX: This could turn out to be a bit expensive, but it ensures that | |
1490 | * the cursor does not jump around. */ | |
1491 | if (view->lines) { | |
1492 | wmove(view->win, view->lineno - view->offset, view->width - 1); | |
1493 | wrefresh(view->win); | |
1494 | } | |
1495 | } | |
20bb5e18 | 1496 | |
2e8488b4 JF |
1497 | /* |
1498 | * Navigation | |
1499 | */ | |
1500 | ||
4a2909a7 | 1501 | /* Scrolling backend */ |
b801d8b2 | 1502 | static void |
8c317212 | 1503 | do_scroll_view(struct view *view, int lines) |
b801d8b2 | 1504 | { |
a0087dd5 JF |
1505 | bool redraw_current_line = FALSE; |
1506 | ||
fd85fef1 JF |
1507 | /* The rendering expects the new offset. */ |
1508 | view->offset += lines; | |
1509 | ||
1510 | assert(0 <= view->offset && view->offset < view->lines); | |
1511 | assert(lines); | |
b801d8b2 | 1512 | |
a0087dd5 JF |
1513 | /* Move current line into the view. */ |
1514 | if (view->lineno < view->offset) { | |
1515 | view->lineno = view->offset; | |
1516 | redraw_current_line = TRUE; | |
1517 | } else if (view->lineno >= view->offset + view->height) { | |
1518 | view->lineno = view->offset + view->height - 1; | |
1519 | redraw_current_line = TRUE; | |
1520 | } | |
1521 | ||
1522 | assert(view->offset <= view->lineno && view->lineno < view->lines); | |
1523 | ||
82e78006 | 1524 | /* Redraw the whole screen if scrolling is pointless. */ |
4c6fabc2 | 1525 | if (view->height < ABS(lines)) { |
b76c2afc JF |
1526 | redraw_view(view); |
1527 | ||
1528 | } else { | |
22f66b0a | 1529 | int line = lines > 0 ? view->height - lines : 0; |
82e78006 | 1530 | int end = line + ABS(lines); |
fd85fef1 JF |
1531 | |
1532 | wscrl(view->win, lines); | |
1533 | ||
22f66b0a | 1534 | for (; line < end; line++) { |
fe7233c3 | 1535 | if (!draw_view_line(view, line)) |
fd85fef1 JF |
1536 | break; |
1537 | } | |
fd85fef1 | 1538 | |
a0087dd5 JF |
1539 | if (redraw_current_line) |
1540 | draw_view_line(view, view->lineno - view->offset); | |
fd85fef1 JF |
1541 | } |
1542 | ||
fd85fef1 JF |
1543 | redrawwin(view->win); |
1544 | wrefresh(view->win); | |
9d3f5834 | 1545 | report(""); |
fd85fef1 | 1546 | } |
78c70acd | 1547 | |
4a2909a7 | 1548 | /* Scroll frontend */ |
fd85fef1 | 1549 | static void |
6b161b31 | 1550 | scroll_view(struct view *view, enum request request) |
fd85fef1 JF |
1551 | { |
1552 | int lines = 1; | |
b801d8b2 | 1553 | |
8c317212 JF |
1554 | assert(view_is_displayed(view)); |
1555 | ||
b801d8b2 | 1556 | switch (request) { |
4a2909a7 | 1557 | case REQ_SCROLL_PAGE_DOWN: |
fd85fef1 | 1558 | lines = view->height; |
4a2909a7 | 1559 | case REQ_SCROLL_LINE_DOWN: |
b801d8b2 | 1560 | if (view->offset + lines > view->lines) |
bde3653a | 1561 | lines = view->lines - view->offset; |
b801d8b2 | 1562 | |
fd85fef1 | 1563 | if (lines == 0 || view->offset + view->height >= view->lines) { |
eb98559e | 1564 | report("Cannot scroll beyond the last line"); |
b801d8b2 JF |
1565 | return; |
1566 | } | |
1567 | break; | |
1568 | ||
4a2909a7 | 1569 | case REQ_SCROLL_PAGE_UP: |
fd85fef1 | 1570 | lines = view->height; |
4a2909a7 | 1571 | case REQ_SCROLL_LINE_UP: |
b801d8b2 JF |
1572 | if (lines > view->offset) |
1573 | lines = view->offset; | |
1574 | ||
1575 | if (lines == 0) { | |
eb98559e | 1576 | report("Cannot scroll beyond the first line"); |
b801d8b2 JF |
1577 | return; |
1578 | } | |
1579 | ||
fd85fef1 | 1580 | lines = -lines; |
b801d8b2 | 1581 | break; |
03a93dbb | 1582 | |
6b161b31 JF |
1583 | default: |
1584 | die("request %d not handled in switch", request); | |
b801d8b2 JF |
1585 | } |
1586 | ||
8c317212 | 1587 | do_scroll_view(view, lines); |
fd85fef1 | 1588 | } |
b801d8b2 | 1589 | |
4a2909a7 | 1590 | /* Cursor moving */ |
fd85fef1 | 1591 | static void |
8522ecc7 | 1592 | move_view(struct view *view, enum request request) |
fd85fef1 | 1593 | { |
dfaa6c81 | 1594 | int scroll_steps = 0; |
fd85fef1 | 1595 | int steps; |
b801d8b2 | 1596 | |
fd85fef1 | 1597 | switch (request) { |
4a2909a7 | 1598 | case REQ_MOVE_FIRST_LINE: |
78c70acd JF |
1599 | steps = -view->lineno; |
1600 | break; | |
1601 | ||
4a2909a7 | 1602 | case REQ_MOVE_LAST_LINE: |
78c70acd JF |
1603 | steps = view->lines - view->lineno - 1; |
1604 | break; | |
1605 | ||
4a2909a7 | 1606 | case REQ_MOVE_PAGE_UP: |
78c70acd JF |
1607 | steps = view->height > view->lineno |
1608 | ? -view->lineno : -view->height; | |
1609 | break; | |
1610 | ||
4a2909a7 | 1611 | case REQ_MOVE_PAGE_DOWN: |
78c70acd JF |
1612 | steps = view->lineno + view->height >= view->lines |
1613 | ? view->lines - view->lineno - 1 : view->height; | |
1614 | break; | |
1615 | ||
4a2909a7 | 1616 | case REQ_MOVE_UP: |
fd85fef1 JF |
1617 | steps = -1; |
1618 | break; | |
b801d8b2 | 1619 | |
4a2909a7 | 1620 | case REQ_MOVE_DOWN: |
fd85fef1 JF |
1621 | steps = 1; |
1622 | break; | |
6b161b31 JF |
1623 | |
1624 | default: | |
1625 | die("request %d not handled in switch", request); | |
78c70acd | 1626 | } |
b801d8b2 | 1627 | |
4c6fabc2 | 1628 | if (steps <= 0 && view->lineno == 0) { |
eb98559e | 1629 | report("Cannot move beyond the first line"); |
78c70acd | 1630 | return; |
b801d8b2 | 1631 | |
6908bdbd | 1632 | } else if (steps >= 0 && view->lineno + 1 >= view->lines) { |
eb98559e | 1633 | report("Cannot move beyond the last line"); |
78c70acd | 1634 | return; |
fd85fef1 JF |
1635 | } |
1636 | ||
4c6fabc2 | 1637 | /* Move the current line */ |
fd85fef1 | 1638 | view->lineno += steps; |
4c6fabc2 JF |
1639 | assert(0 <= view->lineno && view->lineno < view->lines); |
1640 | ||
4c6fabc2 | 1641 | /* Check whether the view needs to be scrolled */ |
fd85fef1 JF |
1642 | if (view->lineno < view->offset || |
1643 | view->lineno >= view->offset + view->height) { | |
dfaa6c81 | 1644 | scroll_steps = steps; |
fd85fef1 | 1645 | if (steps < 0 && -steps > view->offset) { |
dfaa6c81 | 1646 | scroll_steps = -view->offset; |
b76c2afc JF |
1647 | |
1648 | } else if (steps > 0) { | |
1649 | if (view->lineno == view->lines - 1 && | |
1650 | view->lines > view->height) { | |
dfaa6c81 JF |
1651 | scroll_steps = view->lines - view->offset - 1; |
1652 | if (scroll_steps >= view->height) | |
1653 | scroll_steps -= view->height - 1; | |
b76c2afc | 1654 | } |
b801d8b2 | 1655 | } |
8522ecc7 JF |
1656 | } |
1657 | ||
1658 | if (!view_is_displayed(view)) { | |
a3965365 JF |
1659 | view->offset += scroll_steps; |
1660 | assert(0 <= view->offset && view->offset < view->lines); | |
8522ecc7 JF |
1661 | view->ops->select(view, &view->line[view->lineno]); |
1662 | return; | |
1663 | } | |
1664 | ||
1665 | /* Repaint the old "current" line if we be scrolling */ | |
1666 | if (ABS(steps) < view->height) | |
1667 | draw_view_line(view, view->lineno - steps - view->offset); | |
1668 | ||
dfaa6c81 JF |
1669 | if (scroll_steps) { |
1670 | do_scroll_view(view, scroll_steps); | |
fd85fef1 | 1671 | return; |
b801d8b2 JF |
1672 | } |
1673 | ||
4c6fabc2 | 1674 | /* Draw the current line */ |
fe7233c3 | 1675 | draw_view_line(view, view->lineno - view->offset); |
fd85fef1 | 1676 | |
b801d8b2 JF |
1677 | redrawwin(view->win); |
1678 | wrefresh(view->win); | |
9d3f5834 | 1679 | report(""); |
b801d8b2 JF |
1680 | } |
1681 | ||
b801d8b2 | 1682 | |
2e8488b4 | 1683 | /* |
4af34daa JF |
1684 | * Searching |
1685 | */ | |
1686 | ||
c02d8fce | 1687 | static void search_view(struct view *view, enum request request); |
4af34daa JF |
1688 | |
1689 | static bool | |
1690 | find_next_line(struct view *view, unsigned long lineno, struct line *line) | |
1691 | { | |
699ae55b JF |
1692 | assert(view_is_displayed(view)); |
1693 | ||
4af34daa JF |
1694 | if (!view->ops->grep(view, line)) |
1695 | return FALSE; | |
1696 | ||
1697 | if (lineno - view->offset >= view->height) { | |
1698 | view->offset = lineno; | |
1699 | view->lineno = lineno; | |
1700 | redraw_view(view); | |
1701 | ||
1702 | } else { | |
1703 | unsigned long old_lineno = view->lineno - view->offset; | |
1704 | ||
1705 | view->lineno = lineno; | |
4af34daa JF |
1706 | draw_view_line(view, old_lineno); |
1707 | ||
1708 | draw_view_line(view, view->lineno - view->offset); | |
1709 | redrawwin(view->win); | |
1710 | wrefresh(view->win); | |
1711 | } | |
1712 | ||
1713 | report("Line %ld matches '%s'", lineno + 1, view->grep); | |
1714 | return TRUE; | |
1715 | } | |
1716 | ||
1717 | static void | |
1718 | find_next(struct view *view, enum request request) | |
1719 | { | |
1720 | unsigned long lineno = view->lineno; | |
1721 | int direction; | |
1722 | ||
1723 | if (!*view->grep) { | |
1724 | if (!*opt_search) | |
1725 | report("No previous search"); | |
1726 | else | |
c02d8fce | 1727 | search_view(view, request); |
4af34daa JF |
1728 | return; |
1729 | } | |
1730 | ||
1731 | switch (request) { | |
1732 | case REQ_SEARCH: | |
1733 | case REQ_FIND_NEXT: | |
1734 | direction = 1; | |
1735 | break; | |
1736 | ||
1737 | case REQ_SEARCH_BACK: | |
1738 | case REQ_FIND_PREV: | |
1739 | direction = -1; | |
1740 | break; | |
1741 | ||
1742 | default: | |
1743 | return; | |
1744 | } | |
1745 | ||
1746 | if (request == REQ_FIND_NEXT || request == REQ_FIND_PREV) | |
1747 | lineno += direction; | |
1748 | ||
1749 | /* Note, lineno is unsigned long so will wrap around in which case it | |
1750 | * will become bigger than view->lines. */ | |
1751 | for (; lineno < view->lines; lineno += direction) { | |
1752 | struct line *line = &view->line[lineno]; | |
1753 | ||
1754 | if (find_next_line(view, lineno, line)) | |
1755 | return; | |
1756 | } | |
1757 | ||
1758 | report("No match found for '%s'", view->grep); | |
1759 | } | |
1760 | ||
1761 | static void | |
c02d8fce | 1762 | search_view(struct view *view, enum request request) |
4af34daa JF |
1763 | { |
1764 | int regex_err; | |
1765 | ||
b77b2cb8 JF |
1766 | if (view->regex) { |
1767 | regfree(view->regex); | |
4af34daa | 1768 | *view->grep = 0; |
b77b2cb8 JF |
1769 | } else { |
1770 | view->regex = calloc(1, sizeof(*view->regex)); | |
1771 | if (!view->regex) | |
1772 | return; | |
4af34daa JF |
1773 | } |
1774 | ||
c02d8fce | 1775 | regex_err = regcomp(view->regex, opt_search, REG_EXTENDED); |
4af34daa JF |
1776 | if (regex_err != 0) { |
1777 | char buf[SIZEOF_STR] = "unknown error"; | |
1778 | ||
b77b2cb8 | 1779 | regerror(regex_err, view->regex, buf, sizeof(buf)); |
e9cacd58 | 1780 | report("Search failed: %s", buf); |
4af34daa JF |
1781 | return; |
1782 | } | |
1783 | ||
c02d8fce | 1784 | string_copy(view->grep, opt_search); |
4af34daa JF |
1785 | |
1786 | find_next(view, request); | |
1787 | } | |
1788 | ||
1789 | /* | |
2e8488b4 JF |
1790 | * Incremental updating |
1791 | */ | |
b801d8b2 | 1792 | |
199d1288 JF |
1793 | static void |
1794 | end_update(struct view *view) | |
1795 | { | |
1796 | if (!view->pipe) | |
1797 | return; | |
1798 | set_nonblocking_input(FALSE); | |
1799 | if (view->pipe == stdin) | |
1800 | fclose(view->pipe); | |
1801 | else | |
1802 | pclose(view->pipe); | |
1803 | view->pipe = NULL; | |
1804 | } | |
1805 | ||
03a93dbb | 1806 | static bool |
b801d8b2 JF |
1807 | begin_update(struct view *view) |
1808 | { | |
199d1288 JF |
1809 | if (view->pipe) |
1810 | end_update(view); | |
1811 | ||
03a93dbb JF |
1812 | if (opt_cmd[0]) { |
1813 | string_copy(view->cmd, opt_cmd); | |
1814 | opt_cmd[0] = 0; | |
035ba11f JF |
1815 | /* When running random commands, initially show the |
1816 | * command in the title. However, it maybe later be | |
1817 | * overwritten if a commit line is selected. */ | |
1818 | string_copy(view->ref, view->cmd); | |
e733ee54 JF |
1819 | |
1820 | } else if (view == VIEW(REQ_VIEW_TREE)) { | |
1821 | const char *format = view->cmd_env ? view->cmd_env : view->cmd_fmt; | |
f0f114ac | 1822 | char path[SIZEOF_STR]; |
e733ee54 JF |
1823 | |
1824 | if (strcmp(view->vid, view->id)) | |
f0f114ac JF |
1825 | opt_path[0] = path[0] = 0; |
1826 | else if (sq_quote(path, 0, opt_path) >= sizeof(path)) | |
1827 | return FALSE; | |
e733ee54 | 1828 | |
739e81de | 1829 | if (!string_format(view->cmd, format, view->id, path)) |
e733ee54 JF |
1830 | return FALSE; |
1831 | ||
03a93dbb | 1832 | } else { |
4685845e | 1833 | const char *format = view->cmd_env ? view->cmd_env : view->cmd_fmt; |
739e81de | 1834 | const char *id = view->id; |
1ba2ae4b | 1835 | |
cc2d1364 | 1836 | if (!string_format(view->cmd, format, id, id, id, id, id)) |
03a93dbb | 1837 | return FALSE; |
035ba11f JF |
1838 | |
1839 | /* Put the current ref_* value to the view title ref | |
1840 | * member. This is needed by the blob view. Most other | |
1841 | * views sets it automatically after loading because the | |
1842 | * first line is a commit line. */ | |
739e81de | 1843 | string_copy_rev(view->ref, view->id); |
03a93dbb | 1844 | } |
b801d8b2 | 1845 | |
6908bdbd JF |
1846 | /* Special case for the pager view. */ |
1847 | if (opt_pipe) { | |
1848 | view->pipe = opt_pipe; | |
1849 | opt_pipe = NULL; | |
1850 | } else { | |
1851 | view->pipe = popen(view->cmd, "r"); | |
1852 | } | |
1853 | ||
2e8488b4 JF |
1854 | if (!view->pipe) |
1855 | return FALSE; | |
b801d8b2 | 1856 | |
6b161b31 | 1857 | set_nonblocking_input(TRUE); |
b801d8b2 JF |
1858 | |
1859 | view->offset = 0; | |
1860 | view->lines = 0; | |
1861 | view->lineno = 0; | |
739e81de | 1862 | string_copy_rev(view->vid, view->id); |
b801d8b2 | 1863 | |
2e8488b4 JF |
1864 | if (view->line) { |
1865 | int i; | |
1866 | ||
1867 | for (i = 0; i < view->lines; i++) | |
fe7233c3 JF |
1868 | if (view->line[i].data) |
1869 | free(view->line[i].data); | |
2e8488b4 JF |
1870 | |
1871 | free(view->line); | |
1872 | view->line = NULL; | |
1873 | } | |
1874 | ||
1875 | view->start_time = time(NULL); | |
1876 | ||
b801d8b2 JF |
1877 | return TRUE; |
1878 | } | |
1879 | ||
e2c01617 JF |
1880 | static struct line * |
1881 | realloc_lines(struct view *view, size_t line_size) | |
1882 | { | |
1883 | struct line *tmp = realloc(view->line, sizeof(*view->line) * line_size); | |
1884 | ||
1885 | if (!tmp) | |
1886 | return NULL; | |
1887 | ||
1888 | view->line = tmp; | |
1889 | view->line_size = line_size; | |
1890 | return view->line; | |
1891 | } | |
1892 | ||
03a93dbb | 1893 | static bool |
b801d8b2 JF |
1894 | update_view(struct view *view) |
1895 | { | |
6b68fd24 JF |
1896 | char in_buffer[BUFSIZ]; |
1897 | char out_buffer[BUFSIZ * 2]; | |
b801d8b2 | 1898 | char *line; |
82e78006 JF |
1899 | /* The number of lines to read. If too low it will cause too much |
1900 | * redrawing (and possible flickering), if too high responsiveness | |
1901 | * will suffer. */ | |
8855ada4 | 1902 | unsigned long lines = view->height; |
82e78006 | 1903 | int redraw_from = -1; |
b801d8b2 JF |
1904 | |
1905 | if (!view->pipe) | |
1906 | return TRUE; | |
1907 | ||
82e78006 JF |
1908 | /* Only redraw if lines are visible. */ |
1909 | if (view->offset + view->height >= view->lines) | |
1910 | redraw_from = view->lines - view->offset; | |
b801d8b2 | 1911 | |
699ae55b | 1912 | /* FIXME: This is probably not perfect for backgrounded views. */ |
e2c01617 | 1913 | if (!realloc_lines(view, view->lines + lines)) |
b801d8b2 JF |
1914 | goto alloc_error; |
1915 | ||
6b68fd24 JF |
1916 | while ((line = fgets(in_buffer, sizeof(in_buffer), view->pipe))) { |
1917 | size_t linelen = strlen(line); | |
b801d8b2 | 1918 | |
b801d8b2 JF |
1919 | if (linelen) |
1920 | line[linelen - 1] = 0; | |
1921 | ||
6b68fd24 JF |
1922 | if (opt_iconv != ICONV_NONE) { |
1923 | char *inbuf = line; | |
1924 | size_t inlen = linelen; | |
1925 | ||
1926 | char *outbuf = out_buffer; | |
1927 | size_t outlen = sizeof(out_buffer); | |
1928 | ||
1929 | size_t ret; | |
1930 | ||
7361622d | 1931 | ret = iconv(opt_iconv, &inbuf, &inlen, &outbuf, &outlen); |
6b68fd24 JF |
1932 | if (ret != (size_t) -1) { |
1933 | line = out_buffer; | |
1934 | linelen = strlen(out_buffer); | |
1935 | } | |
1936 | } | |
1937 | ||
701e4f5d | 1938 | if (!view->ops->read(view, line)) |
b801d8b2 | 1939 | goto alloc_error; |
fd85fef1 JF |
1940 | |
1941 | if (lines-- == 1) | |
1942 | break; | |
b801d8b2 JF |
1943 | } |
1944 | ||
8855ada4 JF |
1945 | { |
1946 | int digits; | |
1947 | ||
1948 | lines = view->lines; | |
1949 | for (digits = 0; lines; digits++) | |
1950 | lines /= 10; | |
1951 | ||
1952 | /* Keep the displayed view in sync with line number scaling. */ | |
1953 | if (digits != view->digits) { | |
1954 | view->digits = digits; | |
1955 | redraw_from = 0; | |
1956 | } | |
1957 | } | |
1958 | ||
699ae55b JF |
1959 | if (!view_is_displayed(view)) |
1960 | goto check_pipe; | |
1961 | ||
e733ee54 JF |
1962 | if (view == VIEW(REQ_VIEW_TREE)) { |
1963 | /* Clear the view and redraw everything since the tree sorting | |
1964 | * might have rearranged things. */ | |
1965 | redraw_view(view); | |
1966 | ||
1967 | } else if (redraw_from >= 0) { | |
82e78006 | 1968 | /* If this is an incremental update, redraw the previous line |
a28bcc22 JF |
1969 | * since for commits some members could have changed when |
1970 | * loading the main view. */ | |
82e78006 JF |
1971 | if (redraw_from > 0) |
1972 | redraw_from--; | |
1973 | ||
9eded379 JF |
1974 | /* Since revision graph visualization requires knowledge |
1975 | * about the parent commit, it causes a further one-off | |
1976 | * needed to be redrawn for incremental updates. */ | |
1977 | if (redraw_from > 0 && opt_rev_graph) | |
1978 | redraw_from--; | |
1979 | ||
82e78006 JF |
1980 | /* Incrementally draw avoids flickering. */ |
1981 | redraw_view_from(view, redraw_from); | |
4c6fabc2 | 1982 | } |
b801d8b2 | 1983 | |
eb98559e JF |
1984 | /* Update the title _after_ the redraw so that if the redraw picks up a |
1985 | * commit reference in view->ref it'll be available here. */ | |
1986 | update_view_title(view); | |
1987 | ||
699ae55b | 1988 | check_pipe: |
b801d8b2 | 1989 | if (ferror(view->pipe)) { |
03a93dbb | 1990 | report("Failed to read: %s", strerror(errno)); |
b801d8b2 JF |
1991 | goto end; |
1992 | ||
1993 | } else if (feof(view->pipe)) { | |
f97f4012 | 1994 | report(""); |
b801d8b2 JF |
1995 | goto end; |
1996 | } | |
1997 | ||
1998 | return TRUE; | |
1999 | ||
2000 | alloc_error: | |
2e8488b4 | 2001 | report("Allocation failure"); |
b801d8b2 JF |
2002 | |
2003 | end: | |
be04d936 | 2004 | view->ops->read(view, NULL); |
b801d8b2 JF |
2005 | end_update(view); |
2006 | return FALSE; | |
2007 | } | |
2008 | ||
0a0d8910 | 2009 | static struct line * |
e314c36d | 2010 | add_line_data(struct view *view, void *data, enum line_type type) |
0a0d8910 | 2011 | { |
e314c36d | 2012 | struct line *line = &view->line[view->lines++]; |
0a0d8910 | 2013 | |
e314c36d | 2014 | memset(line, 0, sizeof(*line)); |
0a0d8910 | 2015 | line->type = type; |
e314c36d | 2016 | line->data = data; |
0a0d8910 JF |
2017 | |
2018 | return line; | |
2019 | } | |
2020 | ||
e314c36d JF |
2021 | static struct line * |
2022 | add_line_text(struct view *view, char *data, enum line_type type) | |
2023 | { | |
2024 | if (data) | |
2025 | data = strdup(data); | |
2026 | ||
2027 | return data ? add_line_data(view, data, type) : NULL; | |
2028 | } | |
2029 | ||
79d445ca | 2030 | |
e10154d5 JF |
2031 | /* |
2032 | * View opening | |
2033 | */ | |
2034 | ||
49f2b43f JF |
2035 | enum open_flags { |
2036 | OPEN_DEFAULT = 0, /* Use default view switching. */ | |
2037 | OPEN_SPLIT = 1, /* Split current view. */ | |
2038 | OPEN_BACKGROUNDED = 2, /* Backgrounded. */ | |
2039 | OPEN_RELOAD = 4, /* Reload view even if it is the current. */ | |
2040 | }; | |
2041 | ||
6b161b31 | 2042 | static void |
49f2b43f | 2043 | open_view(struct view *prev, enum request request, enum open_flags flags) |
b801d8b2 | 2044 | { |
49f2b43f JF |
2045 | bool backgrounded = !!(flags & OPEN_BACKGROUNDED); |
2046 | bool split = !!(flags & OPEN_SPLIT); | |
2047 | bool reload = !!(flags & OPEN_RELOAD); | |
a28bcc22 | 2048 | struct view *view = VIEW(request); |
9f41488f | 2049 | int nviews = displayed_views(); |
6e950a52 | 2050 | struct view *base_view = display[0]; |
b801d8b2 | 2051 | |
49f2b43f | 2052 | if (view == prev && nviews == 1 && !reload) { |
6b161b31 JF |
2053 | report("Already in %s view", view->name); |
2054 | return; | |
2055 | } | |
b801d8b2 | 2056 | |
f098944b JF |
2057 | if (view->ops->open) { |
2058 | if (!view->ops->open(view)) { | |
2059 | report("Failed to load %s view", view->name); | |
2060 | return; | |
2061 | } | |
2509b112 JF |
2062 | |
2063 | } else if ((reload || strcmp(view->vid, view->id)) && | |
2064 | !begin_update(view)) { | |
6b161b31 JF |
2065 | report("Failed to load %s view", view->name); |
2066 | return; | |
2067 | } | |
a28bcc22 | 2068 | |
6b161b31 | 2069 | if (split) { |
8d741c06 | 2070 | display[1] = view; |
6b161b31 | 2071 | if (!backgrounded) |
8d741c06 | 2072 | current_view = 1; |
6b161b31 JF |
2073 | } else { |
2074 | /* Maximize the current view. */ | |
2075 | memset(display, 0, sizeof(display)); | |
2076 | current_view = 0; | |
2077 | display[current_view] = view; | |
a28bcc22 | 2078 | } |
b801d8b2 | 2079 | |
6e950a52 JF |
2080 | /* Resize the view when switching between split- and full-screen, |
2081 | * or when switching between two different full-screen views. */ | |
2082 | if (nviews != displayed_views() || | |
2083 | (nviews == 1 && base_view != display[0])) | |
a006db63 | 2084 | resize_display(); |
b801d8b2 | 2085 | |
a8891802 | 2086 | if (split && prev->lineno - prev->offset >= prev->height) { |
03a93dbb | 2087 | /* Take the title line into account. */ |
eb98559e | 2088 | int lines = prev->lineno - prev->offset - prev->height + 1; |
03a93dbb JF |
2089 | |
2090 | /* Scroll the view that was split if the current line is | |
2091 | * outside the new limited view. */ | |
8c317212 | 2092 | do_scroll_view(prev, lines); |
03a93dbb JF |
2093 | } |
2094 | ||
6b161b31 | 2095 | if (prev && view != prev) { |
9b995f0c | 2096 | if (split && !backgrounded) { |
f0b3ab80 JF |
2097 | /* "Blur" the previous view. */ |
2098 | update_view_title(prev); | |
9f396969 | 2099 | } |
f0b3ab80 | 2100 | |
f6da0b66 | 2101 | view->parent = prev; |
b801d8b2 JF |
2102 | } |
2103 | ||
9f396969 | 2104 | if (view->pipe && view->lines == 0) { |
03a93dbb JF |
2105 | /* Clear the old view and let the incremental updating refill |
2106 | * the screen. */ | |
2107 | wclear(view->win); | |
f97f4012 | 2108 | report(""); |
03a93dbb JF |
2109 | } else { |
2110 | redraw_view(view); | |
24b5b3e0 | 2111 | report(""); |
03a93dbb | 2112 | } |
6706b2ba JF |
2113 | |
2114 | /* If the view is backgrounded the above calls to report() | |
2115 | * won't redraw the view title. */ | |
2116 | if (backgrounded) | |
2117 | update_view_title(view); | |
b801d8b2 JF |
2118 | } |
2119 | ||
2120 | ||
6b161b31 JF |
2121 | /* |
2122 | * User request switch noodle | |
2123 | */ | |
2124 | ||
b801d8b2 | 2125 | static int |
6b161b31 | 2126 | view_driver(struct view *view, enum request request) |
b801d8b2 | 2127 | { |
b801d8b2 JF |
2128 | int i; |
2129 | ||
586c423d JF |
2130 | if (view && view->lines) { |
2131 | request = view->ops->request(view, request, &view->line[view->lineno]); | |
2132 | if (request == REQ_NONE) | |
2133 | return TRUE; | |
2134 | } | |
2135 | ||
b801d8b2 | 2136 | switch (request) { |
4a2909a7 JF |
2137 | case REQ_MOVE_UP: |
2138 | case REQ_MOVE_DOWN: | |
2139 | case REQ_MOVE_PAGE_UP: | |
2140 | case REQ_MOVE_PAGE_DOWN: | |
2141 | case REQ_MOVE_FIRST_LINE: | |
2142 | case REQ_MOVE_LAST_LINE: | |
8522ecc7 | 2143 | move_view(view, request); |
fd85fef1 JF |
2144 | break; |
2145 | ||
4a2909a7 JF |
2146 | case REQ_SCROLL_LINE_DOWN: |
2147 | case REQ_SCROLL_LINE_UP: | |
2148 | case REQ_SCROLL_PAGE_DOWN: | |
2149 | case REQ_SCROLL_PAGE_UP: | |
a28bcc22 | 2150 | scroll_view(view, request); |
b801d8b2 JF |
2151 | break; |
2152 | ||
e733ee54 JF |
2153 | case REQ_VIEW_BLOB: |
2154 | if (!ref_blob[0]) { | |
550cd4b5 JF |
2155 | report("No file chosen, press %s to open tree view", |
2156 | get_key(REQ_VIEW_TREE)); | |
e733ee54 JF |
2157 | break; |
2158 | } | |
5c4358d1 JF |
2159 | open_view(view, request, OPEN_DEFAULT); |
2160 | break; | |
2161 | ||
2162 | case REQ_VIEW_PAGER: | |
b64c5b75 | 2163 | if (!opt_pipe && !VIEW(REQ_VIEW_PAGER)->lines) { |
5c4358d1 JF |
2164 | report("No pager content, press %s to run command from prompt", |
2165 | get_key(REQ_PROMPT)); | |
2166 | break; | |
2167 | } | |
2168 | open_view(view, request, OPEN_DEFAULT); | |
2169 | break; | |
2170 | ||
4a2909a7 | 2171 | case REQ_VIEW_MAIN: |
4a2909a7 | 2172 | case REQ_VIEW_DIFF: |
2e8488b4 | 2173 | case REQ_VIEW_LOG: |
e733ee54 | 2174 | case REQ_VIEW_TREE: |
2e8488b4 | 2175 | case REQ_VIEW_HELP: |
173d76ea | 2176 | case REQ_VIEW_STATUS: |
49f2b43f | 2177 | open_view(view, request, OPEN_DEFAULT); |
b801d8b2 JF |
2178 | break; |
2179 | ||
b3a54cba JF |
2180 | case REQ_NEXT: |
2181 | case REQ_PREVIOUS: | |
2182 | request = request == REQ_NEXT ? REQ_MOVE_DOWN : REQ_MOVE_UP; | |
2183 | ||
e733ee54 JF |
2184 | if ((view == VIEW(REQ_VIEW_DIFF) && |
2185 | view->parent == VIEW(REQ_VIEW_MAIN)) || | |
2186 | (view == VIEW(REQ_VIEW_BLOB) && | |
2187 | view->parent == VIEW(REQ_VIEW_TREE))) { | |
03400136 WF |
2188 | int line; |
2189 | ||
b3a54cba | 2190 | view = view->parent; |
03400136 | 2191 | line = view->lineno; |
8522ecc7 JF |
2192 | move_view(view, request); |
2193 | if (view_is_displayed(view)) | |
f0b3ab80 | 2194 | update_view_title(view); |
03400136 WF |
2195 | if (line == view->lineno) |
2196 | break; | |
b3a54cba | 2197 | } else { |
8522ecc7 | 2198 | move_view(view, request); |
b3a54cba JF |
2199 | break; |
2200 | } | |
6706b2ba JF |
2201 | /* Fall-through */ |
2202 | ||
6b161b31 | 2203 | |
03a93dbb JF |
2204 | case REQ_VIEW_NEXT: |
2205 | { | |
9f41488f | 2206 | int nviews = displayed_views(); |
03a93dbb JF |
2207 | int next_view = (current_view + 1) % nviews; |
2208 | ||
2209 | if (next_view == current_view) { | |
2210 | report("Only one view is displayed"); | |
2211 | break; | |
2212 | } | |
2213 | ||
2214 | current_view = next_view; | |
2215 | /* Blur out the title of the previous view. */ | |
2216 | update_view_title(view); | |
6734f6b9 | 2217 | report(""); |
03a93dbb JF |
2218 | break; |
2219 | } | |
24b5b3e0 | 2220 | case REQ_TOGGLE_LINENO: |
b76c2afc | 2221 | opt_line_number = !opt_line_number; |
20bb5e18 | 2222 | redraw_display(); |
b801d8b2 JF |
2223 | break; |
2224 | ||
54efb62b JF |
2225 | case REQ_TOGGLE_REV_GRAPH: |
2226 | opt_rev_graph = !opt_rev_graph; | |
2227 | redraw_display(); | |
2228 | break; | |
2229 | ||
03a93dbb | 2230 | case REQ_PROMPT: |
8855ada4 | 2231 | /* Always reload^Wrerun commands from the prompt. */ |
49f2b43f | 2232 | open_view(view, opt_request, OPEN_RELOAD); |
03a93dbb JF |
2233 | break; |
2234 | ||
4af34daa JF |
2235 | case REQ_SEARCH: |
2236 | case REQ_SEARCH_BACK: | |
c02d8fce | 2237 | search_view(view, request); |
4af34daa JF |
2238 | break; |
2239 | ||
2240 | case REQ_FIND_NEXT: | |
2241 | case REQ_FIND_PREV: | |
2242 | find_next(view, request); | |
2243 | break; | |
2244 | ||
4a2909a7 | 2245 | case REQ_STOP_LOADING: |
59a45d3a JF |
2246 | for (i = 0; i < ARRAY_SIZE(views); i++) { |
2247 | view = &views[i]; | |
2e8488b4 | 2248 | if (view->pipe) |
6a7bb912 | 2249 | report("Stopped loading the %s view", view->name), |
03a93dbb JF |
2250 | end_update(view); |
2251 | } | |
b801d8b2 JF |
2252 | break; |
2253 | ||
4a2909a7 | 2254 | case REQ_SHOW_VERSION: |
73785605 | 2255 | report("tig-%s (built %s)", VERSION, __DATE__); |
b801d8b2 JF |
2256 | return TRUE; |
2257 | ||
fac7db6c JF |
2258 | case REQ_SCREEN_RESIZE: |
2259 | resize_display(); | |
2260 | /* Fall-through */ | |
4a2909a7 | 2261 | case REQ_SCREEN_REDRAW: |
20bb5e18 | 2262 | redraw_display(); |
4a2909a7 JF |
2263 | break; |
2264 | ||
ca1d71ea | 2265 | |
1d754561 | 2266 | case REQ_NONE: |
b801d8b2 JF |
2267 | doupdate(); |
2268 | return TRUE; | |
2269 | ||
4f9b667a | 2270 | case REQ_VIEW_CLOSE: |
2fcf5401 JF |
2271 | /* XXX: Mark closed views by letting view->parent point to the |
2272 | * view itself. Parents to closed view should never be | |
2273 | * followed. */ | |
2274 | if (view->parent && | |
2275 | view->parent->parent != view->parent) { | |
4f9b667a JF |
2276 | memset(display, 0, sizeof(display)); |
2277 | current_view = 0; | |
f6da0b66 | 2278 | display[current_view] = view->parent; |
2fcf5401 | 2279 | view->parent = view; |
4f9b667a JF |
2280 | resize_display(); |
2281 | redraw_display(); | |
2282 | break; | |
2283 | } | |
2284 | /* Fall-through */ | |
b801d8b2 JF |
2285 | case REQ_QUIT: |
2286 | return FALSE; | |
2287 | ||
2288 | default: | |
2e8488b4 | 2289 | /* An unknown key will show most commonly used commands. */ |
468876c9 | 2290 | report("Unknown key, press 'h' for help"); |
b801d8b2 JF |
2291 | return TRUE; |
2292 | } | |
2293 | ||
2294 | return TRUE; | |
2295 | } | |
2296 | ||
2297 | ||
2298 | /* | |
ff26aa29 | 2299 | * Pager backend |
b801d8b2 JF |
2300 | */ |
2301 | ||
6b161b31 | 2302 | static bool |
5dcf8064 | 2303 | pager_draw(struct view *view, struct line *line, unsigned int lineno, bool selected) |
b801d8b2 | 2304 | { |
fe7233c3 JF |
2305 | char *text = line->data; |
2306 | enum line_type type = line->type; | |
2307 | int textlen = strlen(text); | |
78c70acd | 2308 | int attr; |
b801d8b2 | 2309 | |
6706b2ba JF |
2310 | wmove(view->win, lineno, 0); |
2311 | ||
5dcf8064 | 2312 | if (selected) { |
78c70acd | 2313 | type = LINE_CURSOR; |
6706b2ba | 2314 | wchgat(view->win, -1, 0, type, NULL); |
fd85fef1 JF |
2315 | } |
2316 | ||
78c70acd | 2317 | attr = get_line_attr(type); |
b801d8b2 | 2318 | wattrset(view->win, attr); |
b76c2afc | 2319 | |
6706b2ba JF |
2320 | if (opt_line_number || opt_tab_size < TABSIZE) { |
2321 | static char spaces[] = " "; | |
2322 | int col_offset = 0, col = 0; | |
2323 | ||
2324 | if (opt_line_number) { | |
2325 | unsigned long real_lineno = view->offset + lineno + 1; | |
82e78006 | 2326 | |
6706b2ba JF |
2327 | if (real_lineno == 1 || |
2328 | (real_lineno % opt_num_interval) == 0) { | |
2329 | wprintw(view->win, "%.*d", view->digits, real_lineno); | |
8855ada4 | 2330 | |
6706b2ba JF |
2331 | } else { |
2332 | waddnstr(view->win, spaces, | |
2333 | MIN(view->digits, STRING_SIZE(spaces))); | |
2334 | } | |
2335 | waddstr(view->win, ": "); | |
2336 | col_offset = view->digits + 2; | |
2337 | } | |
8855ada4 | 2338 | |
fe7233c3 | 2339 | while (text && col_offset + col < view->width) { |
6706b2ba | 2340 | int cols_max = view->width - col_offset - col; |
fe7233c3 | 2341 | char *pos = text; |
6706b2ba | 2342 | int cols; |
4c6fabc2 | 2343 | |
fe7233c3 JF |
2344 | if (*text == '\t') { |
2345 | text++; | |
6706b2ba | 2346 | assert(sizeof(spaces) > TABSIZE); |
fe7233c3 | 2347 | pos = spaces; |
6706b2ba | 2348 | cols = opt_tab_size - (col % opt_tab_size); |
82e78006 | 2349 | |
b76c2afc | 2350 | } else { |
fe7233c3 JF |
2351 | text = strchr(text, '\t'); |
2352 | cols = line ? text - pos : strlen(pos); | |
b76c2afc | 2353 | } |
6706b2ba | 2354 | |
fe7233c3 | 2355 | waddnstr(view->win, pos, MIN(cols, cols_max)); |
6706b2ba | 2356 | col += cols; |
b76c2afc | 2357 | } |
b76c2afc JF |
2358 | |
2359 | } else { | |
6706b2ba | 2360 | int col = 0, pos = 0; |
b801d8b2 | 2361 | |
fe7233c3 JF |
2362 | for (; pos < textlen && col < view->width; pos++, col++) |
2363 | if (text[pos] == '\t') | |
6706b2ba JF |
2364 | col += TABSIZE - (col % TABSIZE) - 1; |
2365 | ||
fe7233c3 | 2366 | waddnstr(view->win, text, pos); |
6706b2ba | 2367 | } |
2e8488b4 | 2368 | |
b801d8b2 JF |
2369 | return TRUE; |
2370 | } | |
2371 | ||
dc23c0e3 | 2372 | static bool |
d65ced0d | 2373 | add_describe_ref(char *buf, size_t *bufpos, char *commit_id, const char *sep) |
dc23c0e3 | 2374 | { |
17482b11 | 2375 | char refbuf[SIZEOF_STR]; |
dc23c0e3 JF |
2376 | char *ref = NULL; |
2377 | FILE *pipe; | |
2378 | ||
d3c345f7 | 2379 | if (!string_format(refbuf, "git describe %s 2>/dev/null", commit_id)) |
dc23c0e3 JF |
2380 | return TRUE; |
2381 | ||
2382 | pipe = popen(refbuf, "r"); | |
2383 | if (!pipe) | |
2384 | return TRUE; | |
2385 | ||
2386 | if ((ref = fgets(refbuf, sizeof(refbuf), pipe))) | |
2387 | ref = chomp_string(ref); | |
2388 | pclose(pipe); | |
2389 | ||
2390 | if (!ref || !*ref) | |
2391 | return TRUE; | |
2392 | ||
2393 | /* This is the only fatal call, since it can "corrupt" the buffer. */ | |
17482b11 | 2394 | if (!string_nformat(buf, SIZEOF_STR, bufpos, "%s%s", sep, ref)) |
dc23c0e3 JF |
2395 | return FALSE; |
2396 | ||
2397 | return TRUE; | |
2398 | } | |
2399 | ||
7b99a34c JF |
2400 | static void |
2401 | add_pager_refs(struct view *view, struct line *line) | |
2402 | { | |
17482b11 | 2403 | char buf[SIZEOF_STR]; |
c9ca1ec3 | 2404 | char *commit_id = line->data + STRING_SIZE("commit "); |
7b99a34c | 2405 | struct ref **refs; |
d65ced0d | 2406 | size_t bufpos = 0, refpos = 0; |
7b99a34c | 2407 | const char *sep = "Refs: "; |
dc23c0e3 | 2408 | bool is_tag = FALSE; |
7b99a34c JF |
2409 | |
2410 | assert(line->type == LINE_COMMIT); | |
2411 | ||
c9ca1ec3 | 2412 | refs = get_refs(commit_id); |
dc23c0e3 JF |
2413 | if (!refs) { |
2414 | if (view == VIEW(REQ_VIEW_DIFF)) | |
2415 | goto try_add_describe_ref; | |
7b99a34c | 2416 | return; |
dc23c0e3 | 2417 | } |
7b99a34c JF |
2418 | |
2419 | do { | |
cc2d1364 | 2420 | struct ref *ref = refs[refpos]; |
e15ec88e JF |
2421 | char *fmt = ref->tag ? "%s[%s]" : |
2422 | ref->remote ? "%s<%s>" : "%s%s"; | |
7b99a34c | 2423 | |
cc2d1364 JF |
2424 | if (!string_format_from(buf, &bufpos, fmt, sep, ref->name)) |
2425 | return; | |
7b99a34c | 2426 | sep = ", "; |
dc23c0e3 JF |
2427 | if (ref->tag) |
2428 | is_tag = TRUE; | |
7b99a34c JF |
2429 | } while (refs[refpos++]->next); |
2430 | ||
dc23c0e3 JF |
2431 | if (!is_tag && view == VIEW(REQ_VIEW_DIFF)) { |
2432 | try_add_describe_ref: | |
d42c8a35 | 2433 | /* Add <tag>-g<commit_id> "fake" reference. */ |
dc23c0e3 JF |
2434 | if (!add_describe_ref(buf, &bufpos, commit_id, sep)) |
2435 | return; | |
2436 | } | |
2437 | ||
d42c8a35 JF |
2438 | if (bufpos == 0) |
2439 | return; | |
2440 | ||
cc2d1364 | 2441 | if (!realloc_lines(view, view->line_size + 1)) |
7b99a34c JF |
2442 | return; |
2443 | ||
0a0d8910 | 2444 | add_line_text(view, buf, LINE_PP_REFS); |
7b99a34c JF |
2445 | } |
2446 | ||
6b161b31 | 2447 | static bool |
701e4f5d | 2448 | pager_read(struct view *view, char *data) |
22f66b0a | 2449 | { |
0a0d8910 | 2450 | struct line *line; |
22f66b0a | 2451 | |
be04d936 JF |
2452 | if (!data) |
2453 | return TRUE; | |
2454 | ||
0a0d8910 JF |
2455 | line = add_line_text(view, data, get_line_type(data)); |
2456 | if (!line) | |
7b99a34c | 2457 | return FALSE; |
fe7233c3 | 2458 | |
7b99a34c JF |
2459 | if (line->type == LINE_COMMIT && |
2460 | (view == VIEW(REQ_VIEW_DIFF) || | |
2461 | view == VIEW(REQ_VIEW_LOG))) | |
2462 | add_pager_refs(view, line); | |
2463 | ||
22f66b0a JF |
2464 | return TRUE; |
2465 | } | |
2466 | ||
586c423d JF |
2467 | static enum request |
2468 | pager_request(struct view *view, enum request request, struct line *line) | |
6b161b31 | 2469 | { |
91e8e277 | 2470 | int split = 0; |
6b161b31 | 2471 | |
586c423d JF |
2472 | if (request != REQ_ENTER) |
2473 | return request; | |
2474 | ||
9fbbd28f JF |
2475 | if (line->type == LINE_COMMIT && |
2476 | (view == VIEW(REQ_VIEW_LOG) || | |
2477 | view == VIEW(REQ_VIEW_PAGER))) { | |
91e8e277 JF |
2478 | open_view(view, REQ_VIEW_DIFF, OPEN_SPLIT); |
2479 | split = 1; | |
67e48ac5 JF |
2480 | } |
2481 | ||
91e8e277 JF |
2482 | /* Always scroll the view even if it was split. That way |
2483 | * you can use Enter to scroll through the log view and | |
2484 | * split open each commit diff. */ | |
2485 | scroll_view(view, REQ_SCROLL_LINE_DOWN); | |
2486 | ||
2487 | /* FIXME: A minor workaround. Scrolling the view will call report("") | |
9d82d824 JF |
2488 | * but if we are scrolling a non-current view this won't properly |
2489 | * update the view title. */ | |
91e8e277 JF |
2490 | if (split) |
2491 | update_view_title(view); | |
6b161b31 | 2492 | |
586c423d | 2493 | return REQ_NONE; |
6b161b31 JF |
2494 | } |
2495 | ||
4af34daa JF |
2496 | static bool |
2497 | pager_grep(struct view *view, struct line *line) | |
2498 | { | |
2499 | regmatch_t pmatch; | |
2500 | char *text = line->data; | |
2501 | ||
2502 | if (!*text) | |
2503 | return FALSE; | |
2504 | ||
b77b2cb8 | 2505 | if (regexec(view->regex, text, 1, &pmatch, 0) == REG_NOMATCH) |
4af34daa JF |
2506 | return FALSE; |
2507 | ||
2508 | return TRUE; | |
2509 | } | |
2510 | ||
d720de4b JF |
2511 | static void |
2512 | pager_select(struct view *view, struct line *line) | |
2513 | { | |
2514 | if (line->type == LINE_COMMIT) { | |
035ba11f | 2515 | char *text = line->data + STRING_SIZE("commit "); |
d720de4b | 2516 | |
035ba11f | 2517 | if (view != VIEW(REQ_VIEW_PAGER)) |
2463b4ea JF |
2518 | string_copy_rev(view->ref, text); |
2519 | string_copy_rev(ref_commit, text); | |
d720de4b JF |
2520 | } |
2521 | } | |
2522 | ||
6b161b31 | 2523 | static struct view_ops pager_ops = { |
6734f6b9 | 2524 | "line", |
f098944b | 2525 | NULL, |
6b161b31 | 2526 | pager_read, |
f098944b | 2527 | pager_draw, |
586c423d | 2528 | pager_request, |
f098944b JF |
2529 | pager_grep, |
2530 | pager_select, | |
2531 | }; | |
2532 | ||
2533 | ||
2534 | /* | |
2535 | * Help backend | |
2536 | */ | |
2537 | ||
2538 | static bool | |
2539 | help_open(struct view *view) | |
2540 | { | |
2541 | char buf[BUFSIZ]; | |
2542 | int lines = ARRAY_SIZE(req_info) + 2; | |
2543 | int i; | |
2544 | ||
2545 | if (view->lines > 0) | |
2546 | return TRUE; | |
2547 | ||
2548 | for (i = 0; i < ARRAY_SIZE(req_info); i++) | |
2549 | if (!req_info[i].request) | |
2550 | lines++; | |
2551 | ||
2552 | view->line = calloc(lines, sizeof(*view->line)); | |
2553 | if (!view->line) | |
2554 | return FALSE; | |
2555 | ||
2556 | add_line_text(view, "Quick reference for tig keybindings:", LINE_DEFAULT); | |
2557 | ||
2558 | for (i = 0; i < ARRAY_SIZE(req_info); i++) { | |
2559 | char *key; | |
2560 | ||
2561 | if (!req_info[i].request) { | |
2562 | add_line_text(view, "", LINE_DEFAULT); | |
2563 | add_line_text(view, req_info[i].help, LINE_DEFAULT); | |
2564 | continue; | |
2565 | } | |
2566 | ||
2567 | key = get_key(req_info[i].request); | |
2568 | if (!string_format(buf, " %-25s %s", key, req_info[i].help)) | |
2569 | continue; | |
2570 | ||
2571 | add_line_text(view, buf, LINE_DEFAULT); | |
2572 | } | |
2573 | ||
2574 | return TRUE; | |
2575 | } | |
2576 | ||
2577 | static struct view_ops help_ops = { | |
2578 | "line", | |
2579 | help_open, | |
2580 | NULL, | |
2581 | pager_draw, | |
586c423d | 2582 | pager_request, |
4af34daa | 2583 | pager_grep, |
d720de4b | 2584 | pager_select, |
6b161b31 JF |
2585 | }; |
2586 | ||
80ce96ea | 2587 | |
ff26aa29 | 2588 | /* |
e733ee54 JF |
2589 | * Tree backend |
2590 | */ | |
2591 | ||
4795d620 | 2592 | /* Parse output from git-ls-tree(1): |
e733ee54 JF |
2593 | * |
2594 | * 100644 blob fb0e31ea6cc679b7379631188190e975f5789c26 Makefile | |
2595 | * 100644 blob 5304ca4260aaddaee6498f9630e7d471b8591ea6 README | |
2596 | * 100644 blob f931e1d229c3e185caad4449bf5b66ed72462657 tig.c | |
2597 | * 100644 blob ed09fe897f3c7c9af90bcf80cae92558ea88ae38 web.conf | |
2598 | */ | |
2599 | ||
2600 | #define SIZEOF_TREE_ATTR \ | |
2601 | STRING_SIZE("100644 blob ed09fe897f3c7c9af90bcf80cae92558ea88ae38\t") | |
2602 | ||
2603 | #define TREE_UP_FORMAT "040000 tree %s\t.." | |
2604 | ||
2605 | static int | |
2606 | tree_compare_entry(enum line_type type1, char *name1, | |
2607 | enum line_type type2, char *name2) | |
2608 | { | |
2609 | if (type1 != type2) { | |
2610 | if (type1 == LINE_TREE_DIR) | |
2611 | return -1; | |
2612 | return 1; | |
2613 | } | |
2614 | ||
2615 | return strcmp(name1, name2); | |
2616 | } | |
2617 | ||
2618 | static bool | |
2619 | tree_read(struct view *view, char *text) | |
2620 | { | |
be04d936 | 2621 | size_t textlen = text ? strlen(text) : 0; |
e733ee54 JF |
2622 | char buf[SIZEOF_STR]; |
2623 | unsigned long pos; | |
2624 | enum line_type type; | |
f88a5319 | 2625 | bool first_read = view->lines == 0; |
e733ee54 JF |
2626 | |
2627 | if (textlen <= SIZEOF_TREE_ATTR) | |
2628 | return FALSE; | |
2629 | ||
2630 | type = text[STRING_SIZE("100644 ")] == 't' | |
2631 | ? LINE_TREE_DIR : LINE_TREE_FILE; | |
2632 | ||
f88a5319 | 2633 | if (first_read) { |
e733ee54 | 2634 | /* Add path info line */ |
0a0d8910 JF |
2635 | if (!string_format(buf, "Directory path /%s", opt_path) || |
2636 | !realloc_lines(view, view->line_size + 1) || | |
2637 | !add_line_text(view, buf, LINE_DEFAULT)) | |
e733ee54 JF |
2638 | return FALSE; |
2639 | ||
2640 | /* Insert "link" to parent directory. */ | |
0a0d8910 JF |
2641 | if (*opt_path) { |
2642 | if (!string_format(buf, TREE_UP_FORMAT, view->ref) || | |
2643 | !realloc_lines(view, view->line_size + 1) || | |
2644 | !add_line_text(view, buf, LINE_TREE_DIR)) | |
2645 | return FALSE; | |
2646 | } | |
e733ee54 JF |
2647 | } |
2648 | ||
2649 | /* Strip the path part ... */ | |
2650 | if (*opt_path) { | |
2651 | size_t pathlen = textlen - SIZEOF_TREE_ATTR; | |
2652 | size_t striplen = strlen(opt_path); | |
2653 | char *path = text + SIZEOF_TREE_ATTR; | |
2654 | ||
2655 | if (pathlen > striplen) | |
2656 | memmove(path, path + striplen, | |
2657 | pathlen - striplen + 1); | |
2658 | } | |
2659 | ||
2660 | /* Skip "Directory ..." and ".." line. */ | |
2661 | for (pos = 1 + !!*opt_path; pos < view->lines; pos++) { | |
2662 | struct line *line = &view->line[pos]; | |
2663 | char *path1 = ((char *) line->data) + SIZEOF_TREE_ATTR; | |
2664 | char *path2 = text + SIZEOF_TREE_ATTR; | |
2665 | int cmp = tree_compare_entry(line->type, path1, type, path2); | |
2666 | ||
2667 | if (cmp <= 0) | |
2668 | continue; | |
2669 | ||
2670 | text = strdup(text); | |
2671 | if (!text) | |
2672 | return FALSE; | |
2673 | ||
2674 | if (view->lines > pos) | |
2675 | memmove(&view->line[pos + 1], &view->line[pos], | |
2676 | (view->lines - pos) * sizeof(*line)); | |
2677 | ||
2678 | line = &view->line[pos]; | |
2679 | line->data = text; | |
2680 | line->type = type; | |
2681 | view->lines++; | |
2682 | return TRUE; | |
2683 | } | |
2684 | ||
0a0d8910 | 2685 | if (!add_line_text(view, text, type)) |
e733ee54 JF |
2686 | return FALSE; |
2687 | ||
f88a5319 JF |
2688 | /* Move the current line to the first tree entry. */ |
2689 | if (first_read) | |
2690 | view->lineno++; | |
2691 | ||
e733ee54 JF |
2692 | return TRUE; |
2693 | } | |
2694 | ||
586c423d JF |
2695 | static enum request |
2696 | tree_request(struct view *view, enum request request, struct line *line) | |
e733ee54 | 2697 | { |
aac64c17 | 2698 | enum open_flags flags; |
586c423d JF |
2699 | |
2700 | if (request != REQ_ENTER) | |
2701 | return request; | |
e733ee54 JF |
2702 | |
2703 | switch (line->type) { | |
2704 | case LINE_TREE_DIR: | |
2705 | /* Depending on whether it is a subdir or parent (updir?) link | |
2706 | * mangle the path buffer. */ | |
2707 | if (line == &view->line[1] && *opt_path) { | |
2708 | size_t path_len = strlen(opt_path); | |
2709 | char *dirsep = opt_path + path_len - 1; | |
2710 | ||
2711 | while (dirsep > opt_path && dirsep[-1] != '/') | |
2712 | dirsep--; | |
2713 | ||
2714 | dirsep[0] = 0; | |
2715 | ||
2716 | } else { | |
d65ced0d | 2717 | size_t pathlen = strlen(opt_path); |
4ea4ce91 | 2718 | size_t origlen = pathlen; |
4795d620 | 2719 | char *data = line->data; |
e733ee54 JF |
2720 | char *basename = data + SIZEOF_TREE_ATTR; |
2721 | ||
4038038f | 2722 | if (!string_format_from(opt_path, &pathlen, "%s/", basename)) { |
4ea4ce91 JF |
2723 | opt_path[origlen] = 0; |
2724 | return TRUE; | |
2725 | } | |
e733ee54 JF |
2726 | } |
2727 | ||
2728 | /* Trees and subtrees share the same ID, so they are not not | |
2729 | * unique like blobs. */ | |
aac64c17 | 2730 | flags = OPEN_RELOAD; |
e733ee54 JF |
2731 | request = REQ_VIEW_TREE; |
2732 | break; | |
2733 | ||
2734 | case LINE_TREE_FILE: | |
aac64c17 | 2735 | flags = display[0] == view ? OPEN_SPLIT : OPEN_DEFAULT; |
e733ee54 JF |
2736 | request = REQ_VIEW_BLOB; |
2737 | break; | |
2738 | ||
2739 | default: | |
2740 | return TRUE; | |
2741 | } | |
2742 | ||
2743 | open_view(view, request, flags); | |
2744 | ||
586c423d | 2745 | return REQ_NONE; |
e733ee54 JF |
2746 | } |
2747 | ||
d720de4b JF |
2748 | static void |
2749 | tree_select(struct view *view, struct line *line) | |
2750 | { | |
035ba11f | 2751 | char *text = line->data + STRING_SIZE("100644 blob "); |
73c76ef5 JF |
2752 | |
2753 | if (line->type == LINE_TREE_FILE) { | |
2463b4ea | 2754 | string_copy_rev(ref_blob, text); |
d720de4b | 2755 | |
ebbaf4fe JF |
2756 | } else if (line->type != LINE_TREE_DIR) { |
2757 | return; | |
d720de4b | 2758 | } |
ebbaf4fe | 2759 | |
2463b4ea | 2760 | string_copy_rev(view->ref, text); |
d720de4b JF |
2761 | } |
2762 | ||
e733ee54 JF |
2763 | static struct view_ops tree_ops = { |
2764 | "file", | |
f098944b | 2765 | NULL, |
e733ee54 | 2766 | tree_read, |
f098944b | 2767 | pager_draw, |
586c423d | 2768 | tree_request, |
e733ee54 | 2769 | pager_grep, |
d720de4b | 2770 | tree_select, |
e733ee54 JF |
2771 | }; |
2772 | ||
2773 | static bool | |
2774 | blob_read(struct view *view, char *line) | |
2775 | { | |
0a0d8910 | 2776 | return add_line_text(view, line, LINE_DEFAULT); |
e733ee54 JF |
2777 | } |
2778 | ||
2779 | static struct view_ops blob_ops = { | |
2780 | "line", | |
f098944b | 2781 | NULL, |
e733ee54 | 2782 | blob_read, |
f098944b | 2783 | pager_draw, |
586c423d | 2784 | pager_request, |
e733ee54 | 2785 | pager_grep, |
d720de4b | 2786 | pager_select, |
e733ee54 JF |
2787 | }; |
2788 | ||
2789 | ||
2790 | /* | |
173d76ea JF |
2791 | * Status backend |
2792 | */ | |
2793 | ||
2794 | struct status { | |
2795 | char status; | |
2796 | struct { | |
2797 | mode_t mode; | |
2798 | char rev[SIZEOF_REV]; | |
2799 | } old; | |
2800 | struct { | |
2801 | mode_t mode; | |
2802 | char rev[SIZEOF_REV]; | |
2803 | } new; | |
2804 | char name[SIZEOF_STR]; | |
2805 | }; | |
2806 | ||
2807 | /* Get fields from the diff line: | |
2808 | * :100644 100644 06a5d6ae9eca55be2e0e585a152e6b1336f2b20e 0000000000000000000000000000000000000000 M | |
2809 | */ | |
2810 | static inline bool | |
2811 | status_get_diff(struct status *file, char *buf, size_t bufsize) | |
2812 | { | |
2813 | char *old_mode = buf + 1; | |
2814 | char *new_mode = buf + 8; | |
2815 | char *old_rev = buf + 15; | |
2816 | char *new_rev = buf + 56; | |
2817 | char *status = buf + 97; | |
2818 | ||
2819 | if (bufsize != 99 || | |
2820 | old_mode[-1] != ':' || | |
2821 | new_mode[-1] != ' ' || | |
2822 | old_rev[-1] != ' ' || | |
2823 | new_rev[-1] != ' ' || | |
2824 | status[-1] != ' ') | |
2825 | return FALSE; | |
2826 | ||
2827 | file->status = *status; | |
2828 | ||
2829 | string_copy_rev(file->old.rev, old_rev); | |
2830 | string_copy_rev(file->new.rev, new_rev); | |
2831 | ||
2832 | file->old.mode = strtoul(old_mode, NULL, 8); | |
2833 | file->new.mode = strtoul(new_mode, NULL, 8); | |
2834 | ||
2835 | file->name[0] = 0; | |
2836 | ||
2837 | return TRUE; | |
2838 | } | |
2839 | ||
2840 | static bool | |
2841 | status_run(struct view *view, const char cmd[], bool diff, enum line_type type) | |
2842 | { | |
2843 | struct status *file = NULL; | |
2844 | char buf[SIZEOF_STR * 4]; | |
2845 | size_t bufsize = 0; | |
2846 | FILE *pipe; | |
2847 | ||
2848 | pipe = popen(cmd, "r"); | |
2849 | if (!pipe) | |
2850 | return FALSE; | |
2851 | ||
2852 | add_line_data(view, NULL, type); | |
2853 | ||
2854 | while (!feof(pipe) && !ferror(pipe)) { | |
2855 | char *sep; | |
2856 | size_t readsize; | |
2857 | ||
2858 | readsize = fread(buf + bufsize, 1, sizeof(buf) - bufsize, pipe); | |
2859 | if (!readsize) | |
2860 | break; | |
2861 | bufsize += readsize; | |
2862 | ||
2863 | /* Process while we have NUL chars. */ | |
2864 | while ((sep = memchr(buf, 0, bufsize))) { | |
2865 | size_t sepsize = sep - buf + 1; | |
2866 | ||
2867 | if (!file) { | |
2868 | if (!realloc_lines(view, view->line_size + 1)) | |
2869 | goto error_out; | |
2870 | ||
2871 | file = calloc(1, sizeof(*file)); | |
2872 | if (!file) | |
2873 | goto error_out; | |
2874 | ||
2875 | add_line_data(view, file, type); | |
2876 | } | |
2877 | ||
2878 | /* Parse diff info part. */ | |
2879 | if (!diff) { | |
2880 | file->status = '?'; | |
2881 | ||
2882 | } else if (!file->status) { | |
2883 | if (!status_get_diff(file, buf, sepsize)) | |
2884 | goto error_out; | |
2885 | ||
2886 | bufsize -= sepsize; | |
2887 | memmove(buf, sep + 1, bufsize); | |
2888 | ||
2889 | sep = memchr(buf, 0, bufsize); | |
2890 | if (!sep) | |
2891 | break; | |
2892 | sepsize = sep - buf + 1; | |
2893 | } | |
2894 | ||
2895 | /* git-ls-files just delivers a NUL separated | |
2896 | * list of file names similar to the second half | |
2897 | * of the git-diff-* output. */ | |
2898 | string_ncopy(file->name, buf, sepsize); | |
2899 | bufsize -= sepsize; | |
2900 | memmove(buf, sep + 1, bufsize); | |
2901 | file = NULL; | |
2902 | } | |
2903 | } | |
2904 | ||
2905 | if (ferror(pipe)) { | |
2906 | error_out: | |
2907 | pclose(pipe); | |
2908 | return FALSE; | |
2909 | } | |
2910 | ||
2911 | if (!view->line[view->lines - 1].data) | |
2912 | add_line_data(view, NULL, LINE_STAT_NONE); | |
2913 | ||
2914 | pclose(pipe); | |
2915 | return TRUE; | |
2916 | } | |
2917 | ||
2918 | #define STATUS_DIFF_INDEX_CMD "git diff-index -z --cached HEAD" | |
2919 | #define STATUS_DIFF_FILES_CMD "git diff-files -z" | |
2920 | #define STATUS_LIST_OTHER_CMD \ | |
810f0078 | 2921 | "git ls-files -z --others --exclude-per-directory=.gitignore" |
173d76ea | 2922 | |
89d917a2 JF |
2923 | #define STATUS_DIFF_SHOW_CMD \ |
2924 | "git diff --root --patch-with-stat --find-copies-harder -B -C %s -- %s 2>/dev/null" | |
2925 | ||
173d76ea JF |
2926 | /* First parse staged info using git-diff-index(1), then parse unstaged |
2927 | * info using git-diff-files(1), and finally untracked files using | |
2928 | * git-ls-files(1). */ | |
2929 | static bool | |
2930 | status_open(struct view *view) | |
2931 | { | |
810f0078 JF |
2932 | struct stat statbuf; |
2933 | char exclude[SIZEOF_STR]; | |
2934 | char cmd[SIZEOF_STR]; | |
173d76ea JF |
2935 | size_t i; |
2936 | ||
2937 | for (i = 0; i < view->lines; i++) | |
2938 | free(view->line[i].data); | |
2939 | free(view->line); | |
2940 | view->lines = view->line_size = 0; | |
2941 | view->line = NULL; | |
2942 | ||
2943 | if (!realloc_lines(view, view->line_size + 6)) | |
2944 | return FALSE; | |
2945 | ||
810f0078 JF |
2946 | if (!string_format(exclude, "%s/info/exclude", opt_git_dir)) |
2947 | return FALSE; | |
2948 | ||
2949 | string_copy(cmd, STATUS_LIST_OTHER_CMD); | |
2950 | ||
2951 | if (stat(exclude, &statbuf) >= 0) { | |
2952 | size_t cmdsize = strlen(cmd); | |
2953 | ||
2954 | if (!string_format_from(cmd, &cmdsize, " %s", "--exclude-from=") || | |
2955 | sq_quote(cmd, cmdsize, exclude) >= sizeof(cmd)) | |
2956 | return FALSE; | |
2957 | } | |
2958 | ||
173d76ea JF |
2959 | if (!status_run(view, STATUS_DIFF_INDEX_CMD, TRUE, LINE_STAT_STAGED) || |
2960 | !status_run(view, STATUS_DIFF_FILES_CMD, TRUE, LINE_STAT_UNSTAGED) || | |
810f0078 | 2961 | !status_run(view, cmd, FALSE, LINE_STAT_UNTRACKED)) |
173d76ea JF |
2962 | return FALSE; |
2963 | ||
2964 | return TRUE; | |
2965 | } | |
2966 | ||
2967 | static bool | |
2968 | status_draw(struct view *view, struct line *line, unsigned int lineno, bool selected) | |
2969 | { | |
2970 | struct status *status = line->data; | |
2971 | ||
2972 | wmove(view->win, lineno, 0); | |
2973 | ||
2974 | if (selected) { | |
2975 | wattrset(view->win, get_line_attr(LINE_CURSOR)); | |
2976 | wchgat(view->win, -1, 0, LINE_CURSOR, NULL); | |
2977 | ||
2978 | } else if (!status && line->type != LINE_STAT_NONE) { | |
2979 | wattrset(view->win, get_line_attr(LINE_STAT_SECTION)); | |
2980 | wchgat(view->win, -1, 0, LINE_STAT_SECTION, NULL); | |
2981 | ||
2982 | } else { | |
2983 | wattrset(view->win, get_line_attr(line->type)); | |
2984 | } | |
2985 | ||
2986 | if (!status) { | |
2987 | char *text; | |
2988 | ||
2989 | switch (line->type) { | |
2990 | case LINE_STAT_STAGED: | |
2991 | text = "Changes to be committed:"; | |
2992 | break; | |
2993 | ||
2994 | case LINE_STAT_UNSTAGED: | |
2995 | text = "Changed but not updated:"; | |
2996 | break; | |
2997 | ||
2998 | case LINE_STAT_UNTRACKED: | |
2999 | text = "Untracked files:"; | |
3000 | break; | |
3001 | ||
3002 | case LINE_STAT_NONE: | |
3003 | text = " (no files)"; | |
3004 | break; | |
3005 | ||
3006 | default: | |
3007 | return FALSE; | |
3008 | } | |
3009 | ||
3010 | waddstr(view->win, text); | |
3011 | return TRUE; | |
3012 | } | |
3013 | ||
3014 | waddch(view->win, status->status); | |
3015 | if (!selected) | |
3016 | wattrset(view->win, A_NORMAL); | |
3017 | wmove(view->win, lineno, 4); | |
3018 | waddstr(view->win, status->name); | |
3019 | ||
3020 | return TRUE; | |
3021 | } | |
3022 | ||
dec7b437 JF |
3023 | static void status_update(struct view *view); |
3024 | ||
586c423d JF |
3025 | static enum request |
3026 | status_request(struct view *view, enum request request, struct line *line) | |
173d76ea | 3027 | { |
89d917a2 | 3028 | struct status *status = line->data; |
4e8159cf | 3029 | char path[SIZEOF_STR] = ""; |
89d917a2 JF |
3030 | char *info; |
3031 | size_t cmdsize = 0; | |
3032 | ||
dec7b437 JF |
3033 | if (request == REQ_STATUS_UPDATE) { |
3034 | status_update(view); | |
3035 | return REQ_NONE; | |
3036 | } | |
3037 | ||
586c423d JF |
3038 | if (request != REQ_ENTER) |
3039 | return request; | |
3040 | ||
4e8159cf JF |
3041 | if (line->type == LINE_STAT_NONE || |
3042 | (!status && line[1].type == LINE_STAT_NONE)) { | |
3043 | report("No file to diff"); | |
586c423d | 3044 | return REQ_NONE; |
89d917a2 JF |
3045 | } |
3046 | ||
4e8159cf | 3047 | if (status && sq_quote(path, 0, status->name) >= sizeof(path)) |
586c423d | 3048 | return REQ_QUIT; |
89d917a2 JF |
3049 | |
3050 | if (opt_cdup[0] && | |
3051 | line->type != LINE_STAT_UNTRACKED && | |
3052 | !string_format_from(opt_cmd, &cmdsize, "cd %s;", opt_cdup)) | |
586c423d | 3053 | return REQ_QUIT; |
89d917a2 JF |
3054 | |
3055 | switch (line->type) { | |
3056 | case LINE_STAT_STAGED: | |
3057 | if (!string_format_from(opt_cmd, &cmdsize, STATUS_DIFF_SHOW_CMD, | |
3058 | "--cached", path)) | |
586c423d | 3059 | return REQ_QUIT; |
4e8159cf JF |
3060 | if (status) |
3061 | info = "Staged changes to %s"; | |
3062 | else | |
3063 | info = "Staged changes"; | |
89d917a2 JF |
3064 | break; |
3065 | ||
3066 | case LINE_STAT_UNSTAGED: | |
3067 | if (!string_format_from(opt_cmd, &cmdsize, STATUS_DIFF_SHOW_CMD, | |
3068 | "", path)) | |
586c423d | 3069 | return REQ_QUIT; |
4e8159cf JF |
3070 | if (status) |
3071 | info = "Unstaged changes to %s"; | |
3072 | else | |
3073 | info = "Unstaged changes"; | |
89d917a2 JF |
3074 | break; |
3075 | ||
3076 | case LINE_STAT_UNTRACKED: | |
3077 | if (opt_pipe) | |
586c423d JF |
3078 | return REQ_QUIT; |
3079 | ||
4e8159cf JF |
3080 | |
3081 | if (!status) { | |
3082 | report("No file to show"); | |
586c423d | 3083 | return REQ_NONE; |
4e8159cf JF |
3084 | } |
3085 | ||
89d917a2 JF |
3086 | opt_pipe = fopen(status->name, "r"); |
3087 | info = "Untracked file %s"; | |
3088 | break; | |
3089 | ||
3090 | default: | |
3091 | die("w00t"); | |
3092 | } | |
3093 | ||
3094 | open_view(view, REQ_VIEW_DIFF, OPEN_RELOAD | OPEN_SPLIT); | |
3095 | if (view_is_displayed(VIEW(REQ_VIEW_DIFF))) { | |
3096 | string_format(VIEW(REQ_VIEW_DIFF)->ref, info, status->name); | |
3097 | } | |
3098 | ||
586c423d | 3099 | return REQ_NONE; |
ca1d71ea JF |
3100 | } |
3101 | ||
3102 | static bool | |
3103 | status_update_file(struct view *view, struct status *status, enum line_type type) | |
3104 | { | |
91c5d983 | 3105 | char cmd[SIZEOF_STR]; |
173d76ea | 3106 | char buf[SIZEOF_STR]; |
91c5d983 | 3107 | size_t cmdsize = 0; |
173d76ea JF |
3108 | size_t bufsize = 0; |
3109 | size_t written = 0; | |
3110 | FILE *pipe; | |
3111 | ||
91c5d983 | 3112 | if (opt_cdup[0] && |
ca1d71ea | 3113 | type != LINE_STAT_UNTRACKED && |
91c5d983 JF |
3114 | !string_format_from(cmd, &cmdsize, "cd %s;", opt_cdup)) |
3115 | return FALSE; | |
3116 | ||
ca1d71ea | 3117 | switch (type) { |
173d76ea JF |
3118 | case LINE_STAT_STAGED: |
3119 | if (!string_format_from(buf, &bufsize, "%06o %s\t%s%c", | |
3120 | status->old.mode, | |
3121 | status->old.rev, | |
3122 | status->name, 0)) | |
3123 | return FALSE; | |
91c5d983 JF |
3124 | |
3125 | string_add(cmd, cmdsize, "git update-index -z --index-info"); | |
173d76ea JF |
3126 | break; |
3127 | ||
3128 | case LINE_STAT_UNSTAGED: | |
3129 | case LINE_STAT_UNTRACKED: | |
3130 | if (!string_format_from(buf, &bufsize, "%s%c", status->name, 0)) | |
3131 | return FALSE; | |
91c5d983 JF |
3132 | |
3133 | string_add(cmd, cmdsize, "git update-index -z --add --remove --stdin"); | |
173d76ea JF |
3134 | break; |
3135 | ||
3136 | default: | |
3137 | die("w00t"); | |
3138 | } | |
3139 | ||
3140 | pipe = popen(cmd, "w"); | |
3141 | if (!pipe) | |
3142 | return FALSE; | |
3143 | ||
3144 | while (!ferror(pipe) && written < bufsize) { | |
3145 | written += fwrite(buf + written, 1, bufsize - written, pipe); | |
3146 | } | |
3147 | ||
3148 | pclose(pipe); | |
3149 | ||
3150 | if (written != bufsize) | |
3151 | return FALSE; | |
3152 | ||
173d76ea JF |
3153 | return TRUE; |
3154 | } | |
3155 | ||
3156 | static void | |
ca1d71ea JF |
3157 | status_update(struct view *view) |
3158 | { | |
dec7b437 | 3159 | struct line *line = &view->line[view->lineno]; |
351917f8 | 3160 | |
dec7b437 | 3161 | assert(view->lines); |
11359638 | 3162 | |
dec7b437 JF |
3163 | if (!line->data) { |
3164 | while (++line < view->line + view->lines && line->data) { | |
3165 | if (!status_update_file(view, line->data, line->type)) | |
3166 | report("Failed to update file status"); | |
3167 | } | |
11359638 | 3168 | |
dec7b437 JF |
3169 | if (!line[-1].data) { |
3170 | report("Nothing to update"); | |
3171 | return; | |
93e4c4f6 JF |
3172 | } |
3173 | ||
dec7b437 JF |
3174 | } else if (!status_update_file(view, line->data, line->type)) { |
3175 | report("Failed to update file status"); | |
ca1d71ea | 3176 | } |
dec7b437 JF |
3177 | |
3178 | open_view(view, REQ_VIEW_STATUS, OPEN_RELOAD); | |
ca1d71ea JF |
3179 | } |
3180 | ||
3181 | static void | |
173d76ea JF |
3182 | status_select(struct view *view, struct line *line) |
3183 | { | |
11359638 JF |
3184 | struct status *status = line->data; |
3185 | char file[SIZEOF_STR] = "all files"; | |
173d76ea JF |
3186 | char *text; |
3187 | ||
11359638 JF |
3188 | if (status && !string_format(file, "'%s'", status->name)) |
3189 | return; | |
3190 | ||
3191 | if (!status && line[1].type == LINE_STAT_NONE) | |
3192 | line++; | |
3193 | ||
173d76ea JF |
3194 | switch (line->type) { |
3195 | case LINE_STAT_STAGED: | |
11359638 | 3196 | text = "Press %s to unstage %s for commit"; |
173d76ea JF |
3197 | break; |
3198 | ||
3199 | case LINE_STAT_UNSTAGED: | |
11359638 | 3200 | text = "Press %s to stage %s for commit"; |
173d76ea JF |
3201 | break; |
3202 | ||
3203 | case LINE_STAT_UNTRACKED: | |
11359638 | 3204 | text = "Press %s to stage %s for addition"; |
173d76ea JF |
3205 | break; |
3206 | ||
3207 | case LINE_STAT_NONE: | |
11359638 JF |
3208 | text = "Nothing to update"; |
3209 | break; | |
173d76ea JF |
3210 | |
3211 | default: | |
3212 | die("w00t"); | |
3213 | } | |
3214 | ||
11359638 | 3215 | string_format(view->ref, text, get_key(REQ_STATUS_UPDATE), file); |
173d76ea JF |
3216 | } |
3217 | ||
3218 | static bool | |
3219 | status_grep(struct view *view, struct line *line) | |
3220 | { | |
3221 | struct status *status = line->data; | |
3222 | enum { S_STATUS, S_NAME, S_END } state; | |
3223 | char buf[2] = "?"; | |
3224 | regmatch_t pmatch; | |
3225 | ||
3226 | if (!status) | |
3227 | return FALSE; | |
3228 | ||
3229 | for (state = S_STATUS; state < S_END; state++) { | |
3230 | char *text; | |
3231 | ||
3232 | switch (state) { | |
3233 | case S_NAME: text = status->name; break; | |
3234 | case S_STATUS: | |
3235 | buf[0] = status->status; | |
3236 | text = buf; | |
3237 | break; | |
3238 | ||
3239 | default: | |
3240 | return FALSE; | |
3241 | } | |
3242 | ||
3243 | if (regexec(view->regex, text, 1, &pmatch, 0) != REG_NOMATCH) | |
3244 | return TRUE; | |
3245 | } | |
3246 | ||
3247 | return FALSE; | |
3248 | } | |
3249 | ||
3250 | static struct view_ops status_ops = { | |
3251 | "file", | |
3252 | status_open, | |
3253 | NULL, | |
3254 | status_draw, | |
586c423d | 3255 | status_request, |
173d76ea JF |
3256 | status_grep, |
3257 | status_select, | |
3258 | }; | |
3259 | ||
3260 | ||
3261 | /* | |
ccc33449 | 3262 | * Revision graph |
ff26aa29 JF |
3263 | */ |
3264 | ||
3265 | struct commit { | |
10446330 | 3266 | char id[SIZEOF_REV]; /* SHA1 ID. */ |
aea510c8 | 3267 | char title[128]; /* First line of the commit message. */ |
54efb62b JF |
3268 | char author[75]; /* Author of the commit. */ |
3269 | struct tm time; /* Date from the author ident. */ | |
3270 | struct ref **refs; /* Repository references. */ | |
3271 | chtype graph[SIZEOF_REVGRAPH]; /* Ancestry chain graphics. */ | |
3272 | size_t graph_size; /* The width of the graph array. */ | |
ff26aa29 | 3273 | }; |
c34d9c9f | 3274 | |
ccc33449 JF |
3275 | /* Size of rev graph with no "padding" columns */ |
3276 | #define SIZEOF_REVITEMS (SIZEOF_REVGRAPH - (SIZEOF_REVGRAPH / 2)) | |
2b757533 | 3277 | |
2ce5c87c JF |
3278 | struct rev_graph { |
3279 | struct rev_graph *prev, *next, *parents; | |
2b757533 JF |
3280 | char rev[SIZEOF_REVITEMS][SIZEOF_REV]; |
3281 | size_t size; | |
88757ebd JF |
3282 | struct commit *commit; |
3283 | size_t pos; | |
2b757533 JF |
3284 | }; |
3285 | ||
2b757533 | 3286 | /* Parents of the commit being visualized. */ |
446a5c36 | 3287 | static struct rev_graph graph_parents[4]; |
c8d60a25 | 3288 | |
c65a501a | 3289 | /* The current stack of revisions on the graph. */ |
446a5c36 JF |
3290 | static struct rev_graph graph_stacks[4] = { |
3291 | { &graph_stacks[3], &graph_stacks[1], &graph_parents[0] }, | |
c65a501a | 3292 | { &graph_stacks[0], &graph_stacks[2], &graph_parents[1] }, |
446a5c36 JF |
3293 | { &graph_stacks[1], &graph_stacks[3], &graph_parents[2] }, |
3294 | { &graph_stacks[2], &graph_stacks[0], &graph_parents[3] }, | |
c65a501a JF |
3295 | }; |
3296 | ||
9e43b9cd | 3297 | static inline bool |
2ce5c87c | 3298 | graph_parent_is_merge(struct rev_graph *graph) |
9e43b9cd JF |
3299 | { |
3300 | return graph->parents->size > 1; | |
3301 | } | |
3302 | ||
88757ebd | 3303 | static inline void |
2ce5c87c | 3304 | append_to_rev_graph(struct rev_graph *graph, chtype symbol) |
88757ebd | 3305 | { |
2c27faac JF |
3306 | struct commit *commit = graph->commit; |
3307 | ||
3308 | if (commit->graph_size < ARRAY_SIZE(commit->graph) - 1) | |
3309 | commit->graph[commit->graph_size++] = symbol; | |
88757ebd JF |
3310 | } |
3311 | ||
2b757533 | 3312 | static void |
2ce5c87c | 3313 | done_rev_graph(struct rev_graph *graph) |
987890af JF |
3314 | { |
3315 | if (graph_parent_is_merge(graph) && | |
3316 | graph->pos < graph->size - 1 && | |
3317 | graph->next->size == graph->size + graph->parents->size - 1) { | |
3318 | size_t i = graph->pos + graph->parents->size - 1; | |
3319 | ||
3320 | graph->commit->graph_size = i * 2; | |
3321 | while (i < graph->next->size - 1) { | |
3322 | append_to_rev_graph(graph, ' '); | |
3323 | append_to_rev_graph(graph, '\\'); | |
3324 | i++; | |
3325 | } | |
3326 | } | |
3327 | ||
3328 | graph->size = graph->pos = 0; | |
3329 | graph->commit = NULL; | |
3330 | memset(graph->parents, 0, sizeof(*graph->parents)); | |
3331 | } | |
3332 | ||
3333 | static void | |
2ce5c87c | 3334 | push_rev_graph(struct rev_graph *graph, char *parent) |
2b757533 | 3335 | { |
2fe894e6 JF |
3336 | int i; |
3337 | ||
3338 | /* "Collapse" duplicate parents lines. | |
3339 | * | |
3340 | * FIXME: This needs to also update update the drawn graph but | |
3341 | * for now it just serves as a method for pruning graph lines. */ | |
3342 | for (i = 0; i < graph->size; i++) | |
3343 | if (!strncmp(graph->rev[i], parent, SIZEOF_REV)) | |
3344 | return; | |
2b757533 | 3345 | |
2ce5c87c | 3346 | if (graph->size < SIZEOF_REVITEMS) { |
739e81de | 3347 | string_copy_rev(graph->rev[graph->size++], parent); |
2b757533 JF |
3348 | } |
3349 | } | |
3350 | ||
92507a24 JF |
3351 | static chtype |
3352 | get_rev_graph_symbol(struct rev_graph *graph) | |
2b757533 | 3353 | { |
92507a24 | 3354 | chtype symbol; |
2b757533 | 3355 | |
c65a501a | 3356 | if (graph->parents->size == 0) |
c8d60a25 | 3357 | symbol = REVGRAPH_INIT; |
18ffaa23 | 3358 | else if (graph_parent_is_merge(graph)) |
c8d60a25 | 3359 | symbol = REVGRAPH_MERGE; |
c65a501a | 3360 | else if (graph->pos >= graph->size) |
c8d60a25 | 3361 | symbol = REVGRAPH_BRANCH; |
2b757533 | 3362 | else |
c8d60a25 | 3363 | symbol = REVGRAPH_COMMIT; |
1dcb3bec | 3364 | |
92507a24 JF |
3365 | return symbol; |
3366 | } | |
3367 | ||
3368 | static void | |
3369 | draw_rev_graph(struct rev_graph *graph) | |
3370 | { | |
e937c2c8 JF |
3371 | struct rev_filler { |
3372 | chtype separator, line; | |
3373 | }; | |
3374 | enum { DEFAULT, RSHARP, RDIAG, LDIAG }; | |
3375 | static struct rev_filler fillers[] = { | |
3376 | { ' ', REVGRAPH_LINE }, | |
3377 | { '`', '.' }, | |
3378 | { '\'', ' ' }, | |
3379 | { '/', ' ' }, | |
e937c2c8 | 3380 | }; |
92507a24 | 3381 | chtype symbol = get_rev_graph_symbol(graph); |
e937c2c8 | 3382 | struct rev_filler *filler; |
92507a24 JF |
3383 | size_t i; |
3384 | ||
e937c2c8 | 3385 | filler = &fillers[DEFAULT]; |
110e948e | 3386 | |
c65a501a | 3387 | for (i = 0; i < graph->pos; i++) { |
e937c2c8 | 3388 | append_to_rev_graph(graph, filler->line); |
9e43b9cd | 3389 | if (graph_parent_is_merge(graph->prev) && |
e937c2c8 JF |
3390 | graph->prev->pos == i) |
3391 | filler = &fillers[RSHARP]; | |
3392 | ||
3393 | append_to_rev_graph(graph, filler->separator); | |
110e948e JF |
3394 | } |
3395 | ||
92507a24 | 3396 | /* Place the symbol for this revision. */ |
c65a501a | 3397 | append_to_rev_graph(graph, symbol); |
2b757533 | 3398 | |
e937c2c8 JF |
3399 | if (graph->prev->size > graph->size) |
3400 | filler = &fillers[RDIAG]; | |
3401 | else | |
3402 | filler = &fillers[DEFAULT]; | |
3403 | ||
c8d60a25 | 3404 | i++; |
2b757533 | 3405 | |
c65a501a | 3406 | for (; i < graph->size; i++) { |
e937c2c8 JF |
3407 | append_to_rev_graph(graph, filler->separator); |
3408 | append_to_rev_graph(graph, filler->line); | |
3409 | if (graph_parent_is_merge(graph->prev) && | |
3410 | i < graph->prev->pos + graph->parents->size) | |
3411 | filler = &fillers[RSHARP]; | |
3412 | if (graph->prev->size > graph->size) | |
3413 | filler = &fillers[LDIAG]; | |
c65a501a JF |
3414 | } |
3415 | ||
3416 | if (graph->prev->size > graph->size) { | |
e937c2c8 JF |
3417 | append_to_rev_graph(graph, filler->separator); |
3418 | if (filler->line != ' ') | |
3419 | append_to_rev_graph(graph, filler->line); | |
2b757533 | 3420 | } |
b5d8f208 JF |
3421 | } |
3422 | ||
61eed810 JF |
3423 | /* Prepare the next rev graph */ |
3424 | static void | |
3425 | prepare_rev_graph(struct rev_graph *graph) | |
b5d8f208 | 3426 | { |
b5d8f208 JF |
3427 | size_t i; |
3428 | ||
320df4ea | 3429 | /* First, traverse all lines of revisions up to the active one. */ |
c65a501a JF |
3430 | for (graph->pos = 0; graph->pos < graph->size; graph->pos++) { |
3431 | if (!strcmp(graph->rev[graph->pos], graph->commit->id)) | |
b5d8f208 | 3432 | break; |
b5d8f208 | 3433 | |
2ce5c87c | 3434 | push_rev_graph(graph->next, graph->rev[graph->pos]); |
b5d8f208 JF |
3435 | } |
3436 | ||
320df4ea | 3437 | /* Interleave the new revision parent(s). */ |
c65a501a | 3438 | for (i = 0; i < graph->parents->size; i++) |
2ce5c87c | 3439 | push_rev_graph(graph->next, graph->parents->rev[i]); |
b5d8f208 | 3440 | |
320df4ea | 3441 | /* Lastly, put any remaining revisions. */ |
c65a501a | 3442 | for (i = graph->pos + 1; i < graph->size; i++) |
2ce5c87c | 3443 | push_rev_graph(graph->next, graph->rev[i]); |
61eed810 JF |
3444 | } |
3445 | ||
3446 | static void | |
3447 | update_rev_graph(struct rev_graph *graph) | |
3448 | { | |
446a5c36 JF |
3449 | /* If this is the finalizing update ... */ |
3450 | if (graph->commit) | |
3451 | prepare_rev_graph(graph); | |
3452 | ||
3453 | /* Graph visualization needs a one rev look-ahead, | |
3454 | * so the first update doesn't visualize anything. */ | |
3455 | if (!graph->prev->commit) | |
3456 | return; | |
c65a501a | 3457 | |
61eed810 JF |
3458 | draw_rev_graph(graph->prev); |
3459 | done_rev_graph(graph->prev->prev); | |
2b757533 JF |
3460 | } |
3461 | ||
ccc33449 JF |
3462 | |
3463 | /* | |
3464 | * Main view backend | |
3465 | */ | |
3466 | ||
3467 | static bool | |
3468 | main_draw(struct view *view, struct line *line, unsigned int lineno, bool selected) | |
3469 | { | |
3470 | char buf[DATE_COLS + 1]; | |
3471 | struct commit *commit = line->data; | |
3472 | enum line_type type; | |
3473 | int col = 0; | |
3474 | size_t timelen; | |
3475 | size_t authorlen; | |
3476 | int trimmed = 1; | |
3477 | ||
3478 | if (!*commit->author) | |
3479 | return FALSE; | |
3480 | ||
3481 | wmove(view->win, lineno, col); | |
3482 | ||
3483 | if (selected) { | |
3484 | type = LINE_CURSOR; | |
3485 | wattrset(view->win, get_line_attr(type)); | |
3486 | wchgat(view->win, -1, 0, type, NULL); | |
3487 | ||
3488 | } else { | |
3489 | type = LINE_MAIN_COMMIT; | |
3490 | wattrset(view->win, get_line_attr(LINE_MAIN_DATE)); | |
3491 | } | |
3492 | ||
3493 | timelen = strftime(buf, sizeof(buf), DATE_FORMAT, &commit->time); | |
3494 | waddnstr(view->win, buf, timelen); | |
3495 | waddstr(view->win, " "); | |
3496 | ||
3497 | col += DATE_COLS; | |
3498 | wmove(view->win, lineno, col); | |
3499 | if (type != LINE_CURSOR) | |
3500 | wattrset(view->win, get_line_attr(LINE_MAIN_AUTHOR)); | |
3501 | ||
3502 | if (opt_utf8) { | |
3503 | authorlen = utf8_length(commit->author, AUTHOR_COLS - 2, &col, &trimmed); | |
3504 | } else { | |
3505 | authorlen = strlen(commit->author); | |
3506 | if (authorlen > AUTHOR_COLS - 2) { | |
3507 | authorlen = AUTHOR_COLS - 2; | |
3508 | trimmed = 1; | |
3509 | } | |
3510 | } | |
3511 | ||
3512 | if (trimmed) { | |
3513 | waddnstr(view->win, commit->author, authorlen); | |
3514 | if (type != LINE_CURSOR) | |
3515 | wattrset(view->win, get_line_attr(LINE_MAIN_DELIM)); | |
3516 | waddch(view->win, '~'); | |
3517 | } else { | |
3518 | waddstr(view->win, commit->author); | |
3519 | } | |
3520 | ||
3521 | col += AUTHOR_COLS; | |
3522 | if (type != LINE_CURSOR) | |
3523 | wattrset(view->win, A_NORMAL); | |
3524 | ||
3525 | if (opt_rev_graph && commit->graph_size) { | |
3526 | size_t i; | |
3527 | ||
3528 | wmove(view->win, lineno, col); | |
3529 | /* Using waddch() instead of waddnstr() ensures that | |
3530 | * they'll be rendered correctly for the cursor line. */ | |
3531 | for (i = 0; i < commit->graph_size; i++) | |
3532 | waddch(view->win, commit->graph[i]); | |
3533 | ||
8716b9ed | 3534 | waddch(view->win, ' '); |
ccc33449 JF |
3535 | col += commit->graph_size + 1; |
3536 | } | |
3537 | ||
3538 | wmove(view->win, lineno, col); | |
3539 | ||
3540 | if (commit->refs) { | |
3541 | size_t i = 0; | |
3542 | ||
3543 | do { | |
3544 | if (type == LINE_CURSOR) | |
3545 | ; | |
3546 | else if (commit->refs[i]->tag) | |
3547 | wattrset(view->win, get_line_attr(LINE_MAIN_TAG)); | |
e15ec88e JF |
3548 | else if (commit->refs[i]->remote) |
3549 | wattrset(view->win, get_line_attr(LINE_MAIN_REMOTE)); | |
ccc33449 JF |
3550 | else |
3551 | wattrset(view->win, get_line_attr(LINE_MAIN_REF)); | |
3552 | waddstr(view->win, "["); | |
3553 | waddstr(view->win, commit->refs[i]->name); | |
3554 | waddstr(view->win, "]"); | |
3555 | if (type != LINE_CURSOR) | |
3556 | wattrset(view->win, A_NORMAL); | |
3557 | waddstr(view->win, " "); | |
3558 | col += strlen(commit->refs[i]->name) + STRING_SIZE("[] "); | |
3559 | } while (commit->refs[i++]->next); | |
3560 | } | |
3561 | ||
3562 | if (type != LINE_CURSOR) | |
3563 | wattrset(view->win, get_line_attr(type)); | |
3564 | ||
3565 | { | |
3566 | int titlelen = strlen(commit->title); | |
3567 | ||
3568 | if (col + titlelen > view->width) | |
3569 | titlelen = view->width - col; | |
3570 | ||
3571 | waddnstr(view->win, commit->title, titlelen); | |
3572 | } | |
3573 | ||
3574 | return TRUE; | |
3575 | } | |
3576 | ||
4c6fabc2 | 3577 | /* Reads git log --pretty=raw output and parses it into the commit struct. */ |
6b161b31 | 3578 | static bool |
701e4f5d | 3579 | main_read(struct view *view, char *line) |
22f66b0a | 3580 | { |
2ce5c87c | 3581 | static struct rev_graph *graph = graph_stacks; |
be04d936 | 3582 | enum line_type type; |
0ff3b97c | 3583 | struct commit *commit; |
22f66b0a | 3584 | |
be04d936 | 3585 | if (!line) { |
446a5c36 | 3586 | update_rev_graph(graph); |
be04d936 JF |
3587 | return TRUE; |
3588 | } | |
3589 | ||
3590 | type = get_line_type(line); | |
0ff3b97c | 3591 | if (type == LINE_COMMIT) { |
22f66b0a JF |
3592 | commit = calloc(1, sizeof(struct commit)); |
3593 | if (!commit) | |
3594 | return FALSE; | |
3595 | ||
0ff3b97c | 3596 | string_copy_rev(commit->id, line + STRING_SIZE("commit ")); |
c34d9c9f | 3597 | commit->refs = get_refs(commit->id); |
c65a501a | 3598 | graph->commit = commit; |
e314c36d | 3599 | add_line_data(view, commit, LINE_MAIN_COMMIT); |
0ff3b97c JF |
3600 | return TRUE; |
3601 | } | |
2b757533 | 3602 | |
0ff3b97c JF |
3603 | if (!view->lines) |
3604 | return TRUE; | |
3605 | commit = view->line[view->lines - 1].data; | |
3606 | ||
3607 | switch (type) { | |
2b757533 | 3608 | case LINE_PARENT: |
0ff3b97c | 3609 | push_rev_graph(graph->parents, line + STRING_SIZE("parent ")); |
78c70acd | 3610 | break; |
22f66b0a | 3611 | |
8855ada4 | 3612 | case LINE_AUTHOR: |
b76c2afc | 3613 | { |
19c3ac60 JF |
3614 | /* Parse author lines where the name may be empty: |
3615 | * author <email@address.tld> 1138474660 +0100 | |
3616 | */ | |
4c6fabc2 | 3617 | char *ident = line + STRING_SIZE("author "); |
19c3ac60 JF |
3618 | char *nameend = strchr(ident, '<'); |
3619 | char *emailend = strchr(ident, '>'); | |
b76c2afc | 3620 | |
0ff3b97c | 3621 | if (!nameend || !emailend) |
fe7233c3 JF |
3622 | break; |
3623 | ||
c65a501a JF |
3624 | update_rev_graph(graph); |
3625 | graph = graph->next; | |
2b757533 | 3626 | |
19c3ac60 JF |
3627 | *nameend = *emailend = 0; |
3628 | ident = chomp_string(ident); | |
3629 | if (!*ident) { | |
3630 | ident = chomp_string(nameend + 1); | |
3631 | if (!*ident) | |
3632 | ident = "Unknown"; | |
b76c2afc JF |
3633 | } |
3634 | ||
739e81de | 3635 | string_ncopy(commit->author, ident, strlen(ident)); |
b76c2afc | 3636 | |
4c6fabc2 | 3637 | /* Parse epoch and timezone */ |
19c3ac60 JF |
3638 | if (emailend[1] == ' ') { |
3639 | char *secs = emailend + 2; | |
3640 | char *zone = strchr(secs, ' '); | |
3641 | time_t time = (time_t) atol(secs); | |
b76c2afc | 3642 | |
4c6fabc2 | 3643 | if (zone && strlen(zone) == STRING_SIZE(" +0700")) { |
b76c2afc JF |
3644 | long tz; |
3645 | ||
3646 | zone++; | |
3647 | tz = ('0' - zone[1]) * 60 * 60 * 10; | |
3648 | tz += ('0' - zone[2]) * 60 * 60; | |
3649 | tz += ('0' - zone[3]) * 60; | |
3650 | tz += ('0' - zone[4]) * 60; | |
3651 | ||
3652 | if (zone[0] == '-') | |
3653 | tz = -tz; | |
3654 | ||
3655 | time -= tz; | |
3656 | } | |
19c3ac60 | 3657 | |
b76c2afc JF |
3658 | gmtime_r(&time, &commit->time); |
3659 | } | |
3660 | break; | |
3661 | } | |
78c70acd | 3662 | default: |
2e8488b4 | 3663 | /* Fill in the commit title if it has not already been set. */ |
2e8488b4 JF |
3664 | if (commit->title[0]) |
3665 | break; | |
3666 | ||
3667 | /* Require titles to start with a non-space character at the | |
3668 | * offset used by git log. */ | |
9073c64a JF |
3669 | if (strncmp(line, " ", 4)) |
3670 | break; | |
3671 | line += 4; | |
3672 | /* Well, if the title starts with a whitespace character, | |
3673 | * try to be forgiving. Otherwise we end up with no title. */ | |
3674 | while (isspace(*line)) | |
3675 | line++; | |
3676 | if (*line == '\0') | |
82e78006 | 3677 | break; |
9073c64a JF |
3678 | /* FIXME: More graceful handling of titles; append "..." to |
3679 | * shortened titles, etc. */ | |
82e78006 | 3680 | |
739e81de | 3681 | string_ncopy(commit->title, line, strlen(line)); |
22f66b0a JF |
3682 | } |
3683 | ||
3684 | return TRUE; | |
3685 | } | |
3686 | ||
586c423d JF |
3687 | static enum request |
3688 | main_request(struct view *view, enum request request, struct line *line) | |
b801d8b2 | 3689 | { |
b3a54cba JF |
3690 | enum open_flags flags = display[0] == view ? OPEN_SPLIT : OPEN_DEFAULT; |
3691 | ||
586c423d JF |
3692 | if (request == REQ_ENTER) |
3693 | open_view(view, REQ_VIEW_DIFF, flags); | |
3694 | else | |
3695 | return request; | |
3696 | ||
3697 | return REQ_NONE; | |
b801d8b2 JF |
3698 | } |
3699 | ||
4af34daa JF |
3700 | static bool |
3701 | main_grep(struct view *view, struct line *line) | |
3702 | { | |
3703 | struct commit *commit = line->data; | |
3704 | enum { S_TITLE, S_AUTHOR, S_DATE, S_END } state; | |
3705 | char buf[DATE_COLS + 1]; | |
3706 | regmatch_t pmatch; | |
3707 | ||
3708 | for (state = S_TITLE; state < S_END; state++) { | |
3709 | char *text; | |
3710 | ||
3711 | switch (state) { | |
3712 | case S_TITLE: text = commit->title; break; | |
3713 | case S_AUTHOR: text = commit->author; break; | |
3714 | case S_DATE: | |
3715 | if (!strftime(buf, sizeof(buf), DATE_FORMAT, &commit->time)) | |
3716 | continue; | |
3717 | text = buf; | |
3718 | break; | |
3719 | ||
3720 | default: | |
3721 | return FALSE; | |
3722 | } | |
3723 | ||
b77b2cb8 | 3724 | if (regexec(view->regex, text, 1, &pmatch, 0) != REG_NOMATCH) |
4af34daa JF |
3725 | return TRUE; |
3726 | } | |
3727 | ||
3728 | return FALSE; | |
3729 | } | |
3730 | ||
d720de4b JF |
3731 | static void |
3732 | main_select(struct view *view, struct line *line) | |
3733 | { | |
3734 | struct commit *commit = line->data; | |
3735 | ||
2463b4ea JF |
3736 | string_copy_rev(view->ref, commit->id); |
3737 | string_copy_rev(ref_commit, view->ref); | |
d720de4b JF |
3738 | } |
3739 | ||
6b161b31 | 3740 | static struct view_ops main_ops = { |
6734f6b9 | 3741 | "commit", |
f098944b | 3742 | NULL, |
6b161b31 | 3743 | main_read, |
f098944b | 3744 | main_draw, |
586c423d | 3745 | main_request, |
4af34daa | 3746 | main_grep, |
d720de4b | 3747 | main_select, |
6b161b31 | 3748 | }; |
2e8488b4 | 3749 | |
c34d9c9f | 3750 | |
6b161b31 | 3751 | /* |
10e290ee JF |
3752 | * Unicode / UTF-8 handling |
3753 | * | |
3754 | * NOTE: Much of the following code for dealing with unicode is derived from | |
3755 | * ELinks' UTF-8 code developed by Scrool <scroolik@gmail.com>. Origin file is | |
3756 | * src/intl/charset.c from the utf8 branch commit elinks-0.11.0-g31f2c28. | |
3757 | */ | |
3758 | ||
3759 | /* I've (over)annotated a lot of code snippets because I am not entirely | |
3760 | * confident that the approach taken by this small UTF-8 interface is correct. | |
3761 | * --jonas */ | |
3762 | ||
3763 | static inline int | |
3764 | unicode_width(unsigned long c) | |
3765 | { | |
3766 | if (c >= 0x1100 && | |
3767 | (c <= 0x115f /* Hangul Jamo */ | |
3768 | || c == 0x2329 | |
3769 | || c == 0x232a | |
3770 | || (c >= 0x2e80 && c <= 0xa4cf && c != 0x303f) | |
f97f4012 | 3771 | /* CJK ... Yi */ |
10e290ee JF |
3772 | || (c >= 0xac00 && c <= 0xd7a3) /* Hangul Syllables */ |
3773 | || (c >= 0xf900 && c <= 0xfaff) /* CJK Compatibility Ideographs */ | |
3774 | || (c >= 0xfe30 && c <= 0xfe6f) /* CJK Compatibility Forms */ | |
3775 | || (c >= 0xff00 && c <= 0xff60) /* Fullwidth Forms */ | |
3776 | || (c >= 0xffe0 && c <= 0xffe6) | |
3777 | || (c >= 0x20000 && c <= 0x2fffd) | |
3778 | || (c >= 0x30000 && c <= 0x3fffd))) | |
3779 | return 2; | |
3780 | ||
3781 | return 1; | |
3782 | } | |
3783 | ||
3784 | /* Number of bytes used for encoding a UTF-8 character indexed by first byte. | |
3785 | * Illegal bytes are set one. */ | |
3786 | static const unsigned char utf8_bytes[256] = { | |
3787 | 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, | |
3788 | 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, | |
3789 | 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, | |
3790 | 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, | |
3791 | 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, | |
3792 | 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, | |
3793 | 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, | |
3794 | 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, | |
3795 | }; | |
3796 | ||
3797 | /* Decode UTF-8 multi-byte representation into a unicode character. */ | |
3798 | static inline unsigned long | |
3799 | utf8_to_unicode(const char *string, size_t length) | |
3800 | { | |
3801 | unsigned long unicode; | |
3802 | ||
3803 | switch (length) { | |
3804 | case 1: | |
3805 | unicode = string[0]; | |
3806 | break; | |
3807 | case 2: | |
3808 | unicode = (string[0] & 0x1f) << 6; | |
3809 | unicode += (string[1] & 0x3f); | |
3810 | break; | |
3811 | case 3: | |
3812 | unicode = (string[0] & 0x0f) << 12; | |
3813 | unicode += ((string[1] & 0x3f) << 6); | |
3814 | unicode += (string[2] & 0x3f); | |
3815 | break; | |
3816 | case 4: | |
3817 | unicode = (string[0] & 0x0f) << 18; | |
3818 | unicode += ((string[1] & 0x3f) << 12); | |
3819 | unicode += ((string[2] & 0x3f) << 6); | |
3820 | unicode += (string[3] & 0x3f); | |
3821 | break; | |
3822 | case 5: | |
3823 | unicode = (string[0] & 0x0f) << 24; | |
3824 | unicode += ((string[1] & 0x3f) << 18); | |
3825 | unicode += ((string[2] & 0x3f) << 12); | |
3826 | unicode += ((string[3] & 0x3f) << 6); | |
3827 | unicode += (string[4] & 0x3f); | |
3828 | break; | |
68b6e0eb | 3829 | case 6: |
10e290ee JF |
3830 | unicode = (string[0] & 0x01) << 30; |
3831 | unicode += ((string[1] & 0x3f) << 24); | |
3832 | unicode += ((string[2] & 0x3f) << 18); | |
3833 | unicode += ((string[3] & 0x3f) << 12); | |
3834 | unicode += ((string[4] & 0x3f) << 6); | |
3835 | unicode += (string[5] & 0x3f); | |
3836 | break; | |
3837 | default: | |
3838 | die("Invalid unicode length"); | |
3839 | } | |
3840 | ||
3841 | /* Invalid characters could return the special 0xfffd value but NUL | |
3842 | * should be just as good. */ | |
3843 | return unicode > 0xffff ? 0 : unicode; | |
3844 | } | |
3845 | ||
3846 | /* Calculates how much of string can be shown within the given maximum width | |
3847 | * and sets trimmed parameter to non-zero value if all of string could not be | |
3848 | * shown. | |
3849 | * | |
3850 | * Additionally, adds to coloffset how many many columns to move to align with | |
3851 | * the expected position. Takes into account how multi-byte and double-width | |
3852 | * characters will effect the cursor position. | |
3853 | * | |
3854 | * Returns the number of bytes to output from string to satisfy max_width. */ | |
3855 | static size_t | |
3856 | utf8_length(const char *string, size_t max_width, int *coloffset, int *trimmed) | |
3857 | { | |
3858 | const char *start = string; | |
3859 | const char *end = strchr(string, '\0'); | |
3860 | size_t mbwidth = 0; | |
3861 | size_t width = 0; | |
3862 | ||
3863 | *trimmed = 0; | |
3864 | ||
3865 | while (string < end) { | |
3866 | int c = *(unsigned char *) string; | |
3867 | unsigned char bytes = utf8_bytes[c]; | |
3868 | size_t ucwidth; | |
3869 | unsigned long unicode; | |
3870 | ||
3871 | if (string + bytes > end) | |
3872 | break; | |
3873 | ||
3874 | /* Change representation to figure out whether | |
3875 | * it is a single- or double-width character. */ | |
3876 | ||
3877 | unicode = utf8_to_unicode(string, bytes); | |
3878 | /* FIXME: Graceful handling of invalid unicode character. */ | |
3879 | if (!unicode) | |
3880 | break; | |
3881 | ||
3882 | ucwidth = unicode_width(unicode); | |
3883 | width += ucwidth; | |
3884 | if (width > max_width) { | |
3885 | *trimmed = 1; | |
3886 | break; | |
3887 | } | |
3888 | ||
3889 | /* The column offset collects the differences between the | |
3890 | * number of bytes encoding a character and the number of | |
3891 | * columns will be used for rendering said character. | |
3892 | * | |
3893 | * So if some character A is encoded in 2 bytes, but will be | |
3894 | * represented on the screen using only 1 byte this will and up | |
3895 | * adding 1 to the multi-byte column offset. | |
3896 | * | |
3897 | * Assumes that no double-width character can be encoding in | |
3898 | * less than two bytes. */ | |
3899 | if (bytes > ucwidth) | |
3900 | mbwidth += bytes - ucwidth; | |
3901 | ||
3902 | string += bytes; | |
3903 | } | |
3904 | ||
3905 | *coloffset += mbwidth; | |
3906 | ||
3907 | return string - start; | |
3908 | } | |
3909 | ||
3910 | ||
3911 | /* | |
6b161b31 JF |
3912 | * Status management |
3913 | */ | |
2e8488b4 | 3914 | |
8855ada4 | 3915 | /* Whether or not the curses interface has been initialized. */ |
68b6e0eb | 3916 | static bool cursed = FALSE; |
8855ada4 | 3917 | |
6b161b31 JF |
3918 | /* The status window is used for polling keystrokes. */ |
3919 | static WINDOW *status_win; | |
4a2909a7 | 3920 | |
21be28fb JF |
3921 | static bool status_empty = TRUE; |
3922 | ||
2e8488b4 | 3923 | /* Update status and title window. */ |
4a2909a7 JF |
3924 | static void |
3925 | report(const char *msg, ...) | |
3926 | { | |
6706b2ba | 3927 | struct view *view = display[current_view]; |
b76c2afc | 3928 | |
ab4af23e JF |
3929 | if (input_mode) |
3930 | return; | |
3931 | ||
21be28fb | 3932 | if (!status_empty || *msg) { |
6706b2ba | 3933 | va_list args; |
4a2909a7 | 3934 | |
6706b2ba | 3935 | va_start(args, msg); |
4b76734f | 3936 | |
6706b2ba JF |
3937 | wmove(status_win, 0, 0); |
3938 | if (*msg) { | |
3939 | vwprintw(status_win, msg, args); | |
21be28fb | 3940 | status_empty = FALSE; |
6706b2ba | 3941 | } else { |
21be28fb | 3942 | status_empty = TRUE; |
6706b2ba | 3943 | } |
390a8262 | 3944 | wclrtoeol(status_win); |
6706b2ba | 3945 | wrefresh(status_win); |
b801d8b2 | 3946 | |
6706b2ba JF |
3947 | va_end(args); |
3948 | } | |
3949 | ||
3950 | update_view_title(view); | |
2bee3bde | 3951 | update_display_cursor(view); |
b801d8b2 JF |
3952 | } |
3953 | ||
6b161b31 JF |
3954 | /* Controls when nodelay should be in effect when polling user input. */ |
3955 | static void | |
1ba2ae4b | 3956 | set_nonblocking_input(bool loading) |
b801d8b2 | 3957 | { |
6706b2ba | 3958 | static unsigned int loading_views; |
b801d8b2 | 3959 | |
6706b2ba JF |
3960 | if ((loading == FALSE && loading_views-- == 1) || |
3961 | (loading == TRUE && loading_views++ == 0)) | |
1ba2ae4b | 3962 | nodelay(status_win, loading); |
6b161b31 JF |
3963 | } |
3964 | ||
3965 | static void | |
3966 | init_display(void) | |
3967 | { | |
3968 | int x, y; | |
b76c2afc | 3969 | |
6908bdbd JF |
3970 | /* Initialize the curses library */ |
3971 | if (isatty(STDIN_FILENO)) { | |
8855ada4 | 3972 | cursed = !!initscr(); |
6908bdbd JF |
3973 | } else { |
3974 | /* Leave stdin and stdout alone when acting as a pager. */ | |
3975 | FILE *io = fopen("/dev/tty", "r+"); | |
3976 | ||
e6f60674 JF |
3977 | if (!io) |
3978 | die("Failed to open /dev/tty"); | |
8855ada4 | 3979 | cursed = !!newterm(NULL, io, io); |
6908bdbd JF |
3980 | } |
3981 | ||
8855ada4 JF |
3982 | if (!cursed) |
3983 | die("Failed to initialize curses"); | |
3984 | ||
2e8488b4 JF |
3985 | nonl(); /* Tell curses not to do NL->CR/NL on output */ |
3986 | cbreak(); /* Take input chars one at a time, no wait for \n */ | |
3987 | noecho(); /* Don't echo input */ | |
b801d8b2 | 3988 | leaveok(stdscr, TRUE); |
b801d8b2 JF |
3989 | |
3990 | if (has_colors()) | |
3991 | init_colors(); | |
3992 | ||
3993 | getmaxyx(stdscr, y, x); | |
3994 | status_win = newwin(1, 0, y - 1, 0); | |
3995 | if (!status_win) | |
3996 | die("Failed to create status window"); | |
3997 | ||
3998 | /* Enable keyboard mapping */ | |
3999 | keypad(status_win, TRUE); | |
78c70acd | 4000 | wbkgdset(status_win, get_line_attr(LINE_STATUS)); |
6b161b31 JF |
4001 | } |
4002 | ||
4af34daa | 4003 | static char * |
cb9e48c1 | 4004 | read_prompt(const char *prompt) |
ef5404a4 JF |
4005 | { |
4006 | enum { READING, STOP, CANCEL } status = READING; | |
9e21ce5c | 4007 | static char buf[sizeof(opt_cmd) - STRING_SIZE("git \0")]; |
ef5404a4 JF |
4008 | int pos = 0; |
4009 | ||
4010 | while (status == READING) { | |
4011 | struct view *view; | |
4012 | int i, key; | |
4013 | ||
ab4af23e JF |
4014 | input_mode = TRUE; |
4015 | ||
699ae55b | 4016 | foreach_view (view, i) |
ef5404a4 JF |
4017 | update_view(view); |
4018 | ||
ab4af23e JF |
4019 | input_mode = FALSE; |
4020 | ||
4021 | mvwprintw(status_win, 0, 0, "%s%.*s", prompt, pos, buf); | |
4022 | wclrtoeol(status_win); | |
4023 | ||
ef5404a4 JF |
4024 | /* Refresh, accept single keystroke of input */ |
4025 | key = wgetch(status_win); | |
4026 | switch (key) { | |
4027 | case KEY_RETURN: | |
4028 | case KEY_ENTER: | |
4029 | case '\n': | |
4030 | status = pos ? STOP : CANCEL; | |
4031 | break; | |
4032 | ||
4033 | case KEY_BACKSPACE: | |
4034 | if (pos > 0) | |
4035 | pos--; | |
4036 | else | |
4037 | status = CANCEL; | |
4038 | break; | |
4039 | ||
4040 | case KEY_ESC: | |
4041 | status = CANCEL; | |
4042 | break; | |
4043 | ||
4044 | case ERR: | |
4045 | break; | |
4046 | ||
4047 | default: | |
4048 | if (pos >= sizeof(buf)) { | |
4049 | report("Input string too long"); | |
9e21ce5c | 4050 | return NULL; |
ef5404a4 JF |
4051 | } |
4052 | ||
4053 | if (isprint(key)) | |
4054 | buf[pos++] = (char) key; | |
4055 | } | |
4056 | } | |
4057 | ||
7a06ebdf JF |
4058 | /* Clear the status window */ |
4059 | status_empty = FALSE; | |
4060 | report(""); | |
4061 | ||
4062 | if (status == CANCEL) | |
9e21ce5c | 4063 | return NULL; |
ef5404a4 JF |
4064 | |
4065 | buf[pos++] = 0; | |
ef5404a4 | 4066 | |
9e21ce5c | 4067 | return buf; |
ef5404a4 | 4068 | } |
c34d9c9f JF |
4069 | |
4070 | /* | |
4071 | * Repository references | |
4072 | */ | |
4073 | ||
4074 | static struct ref *refs; | |
3a91b75e | 4075 | static size_t refs_size; |
c34d9c9f | 4076 | |
1307df1a JF |
4077 | /* Id <-> ref store */ |
4078 | static struct ref ***id_refs; | |
4079 | static size_t id_refs_size; | |
4080 | ||
c34d9c9f JF |
4081 | static struct ref ** |
4082 | get_refs(char *id) | |
4083 | { | |
1307df1a JF |
4084 | struct ref ***tmp_id_refs; |
4085 | struct ref **ref_list = NULL; | |
4086 | size_t ref_list_size = 0; | |
c34d9c9f JF |
4087 | size_t i; |
4088 | ||
1307df1a JF |
4089 | for (i = 0; i < id_refs_size; i++) |
4090 | if (!strcmp(id, id_refs[i][0]->id)) | |
4091 | return id_refs[i]; | |
4092 | ||
4093 | tmp_id_refs = realloc(id_refs, (id_refs_size + 1) * sizeof(*id_refs)); | |
4094 | if (!tmp_id_refs) | |
4095 | return NULL; | |
4096 | ||
4097 | id_refs = tmp_id_refs; | |
4098 | ||
c34d9c9f JF |
4099 | for (i = 0; i < refs_size; i++) { |
4100 | struct ref **tmp; | |
4101 | ||
4102 | if (strcmp(id, refs[i].id)) | |
4103 | continue; | |
4104 | ||
1307df1a | 4105 | tmp = realloc(ref_list, (ref_list_size + 1) * sizeof(*ref_list)); |
c34d9c9f | 4106 | if (!tmp) { |
1307df1a JF |
4107 | if (ref_list) |
4108 | free(ref_list); | |
c34d9c9f JF |
4109 | return NULL; |
4110 | } | |
4111 | ||
1307df1a JF |
4112 | ref_list = tmp; |
4113 | if (ref_list_size > 0) | |
4114 | ref_list[ref_list_size - 1]->next = 1; | |
4115 | ref_list[ref_list_size] = &refs[i]; | |
3af8774e JF |
4116 | |
4117 | /* XXX: The properties of the commit chains ensures that we can | |
4118 | * safely modify the shared ref. The repo references will | |
4119 | * always be similar for the same id. */ | |
1307df1a JF |
4120 | ref_list[ref_list_size]->next = 0; |
4121 | ref_list_size++; | |
c34d9c9f JF |
4122 | } |
4123 | ||
1307df1a JF |
4124 | if (ref_list) |
4125 | id_refs[id_refs_size++] = ref_list; | |
4126 | ||
4127 | return ref_list; | |
c34d9c9f JF |
4128 | } |
4129 | ||
4130 | static int | |
5699e0cf | 4131 | read_ref(char *id, size_t idlen, char *name, size_t namelen) |
c34d9c9f | 4132 | { |
d0cea5f9 JF |
4133 | struct ref *ref; |
4134 | bool tag = FALSE; | |
e15ec88e | 4135 | bool remote = FALSE; |
d0cea5f9 | 4136 | |
8b0297ae JF |
4137 | if (!strncmp(name, "refs/tags/", STRING_SIZE("refs/tags/"))) { |
4138 | /* Commits referenced by tags has "^{}" appended. */ | |
4139 | if (name[namelen - 1] != '}') | |
4140 | return OK; | |
4141 | ||
d0cea5f9 JF |
4142 | while (namelen > 0 && name[namelen] != '^') |
4143 | namelen--; | |
c34d9c9f | 4144 | |
d0cea5f9 | 4145 | tag = TRUE; |
8b0297ae JF |
4146 | namelen -= STRING_SIZE("refs/tags/"); |
4147 | name += STRING_SIZE("refs/tags/"); | |
c34d9c9f | 4148 | |
e15ec88e JF |
4149 | } else if (!strncmp(name, "refs/remotes/", STRING_SIZE("refs/remotes/"))) { |
4150 | remote = TRUE; | |
4151 | namelen -= STRING_SIZE("refs/remotes/"); | |
4152 | name += STRING_SIZE("refs/remotes/"); | |
4153 | ||
d0cea5f9 | 4154 | } else if (!strncmp(name, "refs/heads/", STRING_SIZE("refs/heads/"))) { |
8b0297ae JF |
4155 | namelen -= STRING_SIZE("refs/heads/"); |
4156 | name += STRING_SIZE("refs/heads/"); | |
c34d9c9f | 4157 | |
d0cea5f9 JF |
4158 | } else if (!strcmp(name, "HEAD")) { |
4159 | return OK; | |
4160 | } | |
6706b2ba | 4161 | |
d0cea5f9 JF |
4162 | refs = realloc(refs, sizeof(*refs) * (refs_size + 1)); |
4163 | if (!refs) | |
4164 | return ERR; | |
c34d9c9f | 4165 | |
d0cea5f9 | 4166 | ref = &refs[refs_size++]; |
8b0297ae | 4167 | ref->name = malloc(namelen + 1); |
d0cea5f9 JF |
4168 | if (!ref->name) |
4169 | return ERR; | |
3af8774e | 4170 | |
8b0297ae JF |
4171 | strncpy(ref->name, name, namelen); |
4172 | ref->name[namelen] = 0; | |
d0cea5f9 | 4173 | ref->tag = tag; |
e15ec88e | 4174 | ref->remote = remote; |
2463b4ea | 4175 | string_copy_rev(ref->id, id); |
3af8774e | 4176 | |
d0cea5f9 JF |
4177 | return OK; |
4178 | } | |
c34d9c9f | 4179 | |
d0cea5f9 JF |
4180 | static int |
4181 | load_refs(void) | |
4182 | { | |
4183 | const char *cmd_env = getenv("TIG_LS_REMOTE"); | |
4184 | const char *cmd = cmd_env && *cmd_env ? cmd_env : TIG_LS_REMOTE; | |
c34d9c9f | 4185 | |
4a63c884 | 4186 | return read_properties(popen(cmd, "r"), "\t", read_ref); |
d0cea5f9 | 4187 | } |
c34d9c9f | 4188 | |
d0cea5f9 | 4189 | static int |
5699e0cf | 4190 | read_repo_config_option(char *name, size_t namelen, char *value, size_t valuelen) |
d0cea5f9 | 4191 | { |
22913179 | 4192 | if (!strcmp(name, "i18n.commitencoding")) |
739e81de | 4193 | string_ncopy(opt_encoding, value, valuelen); |
c34d9c9f | 4194 | |
c34d9c9f JF |
4195 | return OK; |
4196 | } | |
4197 | ||
4670cf89 | 4198 | static int |
14c778a6 | 4199 | load_repo_config(void) |
4670cf89 | 4200 | { |
66749723 | 4201 | return read_properties(popen("git repo-config --list", "r"), |
14c778a6 | 4202 | "=", read_repo_config_option); |
d0cea5f9 JF |
4203 | } |
4204 | ||
4205 | static int | |
5699e0cf | 4206 | read_repo_info(char *name, size_t namelen, char *value, size_t valuelen) |
91c5d983 | 4207 | { |
810f0078 JF |
4208 | if (!opt_git_dir[0]) |
4209 | string_ncopy(opt_git_dir, name, namelen); | |
4210 | else | |
739e81de | 4211 | string_ncopy(opt_cdup, name, namelen); |
91c5d983 JF |
4212 | return OK; |
4213 | } | |
4214 | ||
810f0078 JF |
4215 | /* XXX: The line outputted by "--show-cdup" can be empty so the option |
4216 | * must be the last one! */ | |
91c5d983 JF |
4217 | static int |
4218 | load_repo_info(void) | |
4219 | { | |
e0f50df0 | 4220 | return read_properties(popen("git rev-parse --git-dir --show-cdup 2>/dev/null", "r"), |
91c5d983 JF |
4221 | "=", read_repo_info); |
4222 | } | |
4223 | ||
4224 | static int | |
4a63c884 | 4225 | read_properties(FILE *pipe, const char *separators, |
5699e0cf | 4226 | int (*read_property)(char *, size_t, char *, size_t)) |
d0cea5f9 | 4227 | { |
4670cf89 JF |
4228 | char buffer[BUFSIZ]; |
4229 | char *name; | |
d0cea5f9 | 4230 | int state = OK; |
4670cf89 JF |
4231 | |
4232 | if (!pipe) | |
4233 | return ERR; | |
4234 | ||
d0cea5f9 | 4235 | while (state == OK && (name = fgets(buffer, sizeof(buffer), pipe))) { |
4a63c884 JF |
4236 | char *value; |
4237 | size_t namelen; | |
4238 | size_t valuelen; | |
4670cf89 | 4239 | |
4a63c884 JF |
4240 | name = chomp_string(name); |
4241 | namelen = strcspn(name, separators); | |
4242 | ||
4243 | if (name[namelen]) { | |
4244 | name[namelen] = 0; | |
4245 | value = chomp_string(name + namelen + 1); | |
d0cea5f9 | 4246 | valuelen = strlen(value); |
4670cf89 | 4247 | |
d0cea5f9 | 4248 | } else { |
d0cea5f9 JF |
4249 | value = ""; |
4250 | valuelen = 0; | |
4670cf89 | 4251 | } |
d0cea5f9 | 4252 | |
3c3801c2 | 4253 | state = read_property(name, namelen, value, valuelen); |
4670cf89 JF |
4254 | } |
4255 | ||
d0cea5f9 JF |
4256 | if (state != ERR && ferror(pipe)) |
4257 | state = ERR; | |
4670cf89 JF |
4258 | |
4259 | pclose(pipe); | |
4260 | ||
d0cea5f9 | 4261 | return state; |
4670cf89 JF |
4262 | } |
4263 | ||
d0cea5f9 | 4264 | |
6b161b31 JF |
4265 | /* |
4266 | * Main | |
4267 | */ | |
4268 | ||
b5c9e67f | 4269 | static void __NORETURN |
6b161b31 JF |
4270 | quit(int sig) |
4271 | { | |
8855ada4 JF |
4272 | /* XXX: Restore tty modes and let the OS cleanup the rest! */ |
4273 | if (cursed) | |
4274 | endwin(); | |
6b161b31 JF |
4275 | exit(0); |
4276 | } | |
4277 | ||
c6704a4e JF |
4278 | static void __NORETURN |
4279 | die(const char *err, ...) | |
6b161b31 JF |
4280 | { |
4281 | va_list args; | |
4282 | ||
4283 | endwin(); | |
4284 | ||
4285 | va_start(args, err); | |
4286 | fputs("tig: ", stderr); | |
4287 | vfprintf(stderr, err, args); | |
4288 | fputs("\n", stderr); | |
4289 | va_end(args); | |
4290 | ||
4291 | exit(1); | |
4292 | } | |
4293 | ||
4294 | int | |
4295 | main(int argc, char *argv[]) | |
4296 | { | |
1ba2ae4b | 4297 | struct view *view; |
6b161b31 | 4298 | enum request request; |
1ba2ae4b | 4299 | size_t i; |
6b161b31 JF |
4300 | |
4301 | signal(SIGINT, quit); | |
4302 | ||
6b68fd24 | 4303 | if (setlocale(LC_ALL, "")) { |
739e81de JF |
4304 | char *codeset = nl_langinfo(CODESET); |
4305 | ||
4306 | string_ncopy(opt_codeset, codeset, strlen(codeset)); | |
6b68fd24 JF |
4307 | } |
4308 | ||
e0f50df0 JF |
4309 | if (load_repo_info() == ERR) |
4310 | die("Failed to load repo info."); | |
4311 | ||
4312 | /* Require a git repository unless when running in pager mode. */ | |
4313 | if (!opt_git_dir[0]) | |
4314 | die("Not a git repository"); | |
4315 | ||
660e09ad JF |
4316 | if (load_options() == ERR) |
4317 | die("Failed to load user config."); | |
4318 | ||
4319 | /* Load the repo config file so options can be overwritten from | |
739e81de | 4320 | * the command line. */ |
14c778a6 | 4321 | if (load_repo_config() == ERR) |
afdc35b3 | 4322 | die("Failed to load repo config."); |
91c5d983 | 4323 | |
8855ada4 | 4324 | if (!parse_options(argc, argv)) |
6b161b31 JF |
4325 | return 0; |
4326 | ||
6b68fd24 JF |
4327 | if (*opt_codeset && strcmp(opt_codeset, opt_encoding)) { |
4328 | opt_iconv = iconv_open(opt_codeset, opt_encoding); | |
20f4b4a3 | 4329 | if (opt_iconv == ICONV_NONE) |
6b68fd24 JF |
4330 | die("Failed to initialize character set conversion"); |
4331 | } | |
4332 | ||
c34d9c9f JF |
4333 | if (load_refs() == ERR) |
4334 | die("Failed to load refs."); | |
4335 | ||
1ba2ae4b JF |
4336 | for (i = 0; i < ARRAY_SIZE(views) && (view = &views[i]); i++) |
4337 | view->cmd_env = getenv(view->cmd_env); | |
4338 | ||
6b161b31 JF |
4339 | request = opt_request; |
4340 | ||
4341 | init_display(); | |
b801d8b2 JF |
4342 | |
4343 | while (view_driver(display[current_view], request)) { | |
6b161b31 | 4344 | int key; |
b801d8b2 JF |
4345 | int i; |
4346 | ||
699ae55b | 4347 | foreach_view (view, i) |
6b161b31 | 4348 | update_view(view); |
b801d8b2 JF |
4349 | |
4350 | /* Refresh, accept single keystroke of input */ | |
6b161b31 | 4351 | key = wgetch(status_win); |
04e2b7b2 | 4352 | |
cf4d82e6 JF |
4353 | /* wgetch() with nodelay() enabled returns ERR when there's no |
4354 | * input. */ | |
4355 | if (key == ERR) { | |
4356 | request = REQ_NONE; | |
8b534a13 | 4357 | continue; |
cf4d82e6 | 4358 | } |
04e2b7b2 JF |
4359 | |
4360 | request = get_keybinding(display[current_view]->keymap, key); | |
03a93dbb | 4361 | |
6706b2ba | 4362 | /* Some low-level request handling. This keeps access to |
fac7db6c JF |
4363 | * status_win restricted. */ |
4364 | switch (request) { | |
4365 | case REQ_PROMPT: | |
9e21ce5c JF |
4366 | { |
4367 | char *cmd = read_prompt(":"); | |
4368 | ||
4369 | if (cmd && string_format(opt_cmd, "git %s", cmd)) { | |
4370 | if (strncmp(cmd, "show", 4) && isspace(cmd[4])) { | |
4371 | opt_request = REQ_VIEW_DIFF; | |
4372 | } else { | |
4373 | opt_request = REQ_VIEW_PAGER; | |
4374 | } | |
4375 | break; | |
4376 | } | |
fac7db6c | 4377 | |
1d754561 | 4378 | request = REQ_NONE; |
9e21ce5c JF |
4379 | break; |
4380 | } | |
4af34daa JF |
4381 | case REQ_SEARCH: |
4382 | case REQ_SEARCH_BACK: | |
4383 | { | |
4384 | const char *prompt = request == REQ_SEARCH | |
4385 | ? "/" : "?"; | |
4386 | char *search = read_prompt(prompt); | |
4387 | ||
4388 | if (search) | |
739e81de | 4389 | string_ncopy(opt_search, search, strlen(search)); |
4af34daa JF |
4390 | else |
4391 | request = REQ_NONE; | |
4392 | break; | |
4393 | } | |
fac7db6c JF |
4394 | case REQ_SCREEN_RESIZE: |
4395 | { | |
4396 | int height, width; | |
4397 | ||
4398 | getmaxyx(stdscr, height, width); | |
4399 | ||
4400 | /* Resize the status view and let the view driver take | |
4401 | * care of resizing the displayed views. */ | |
4402 | wresize(status_win, 1, width); | |
4403 | mvwin(status_win, height - 1, 0); | |
4404 | wrefresh(status_win); | |
4405 | break; | |
4406 | } | |
4407 | default: | |
4408 | break; | |
03a93dbb | 4409 | } |
b801d8b2 JF |
4410 | } |
4411 | ||
4412 | quit(0); | |
4413 | ||
4414 | return 0; | |
4415 | } |