Commit | Line | Data |
---|---|---|
4a2909a7 | 1 | /* Copyright (c) 2006 Jonas Fonseca <fonseca@diku.dk> |
192d9a60 | 2 | * |
5cfbde75 JF |
3 | * This program is free software; you can redistribute it and/or |
4 | * modify it under the terms of the GNU General Public License as | |
5 | * published by the Free Software Foundation; either version 2 of | |
6 | * the License, or (at your option) any later version. | |
192d9a60 JF |
7 | * |
8 | * This program is distributed in the hope that it will be useful, | |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
11 | * GNU General Public License for more details. | |
12 | */ | |
b801d8b2 | 13 | |
b76c2afc | 14 | #ifndef VERSION |
a1d28554 | 15 | #define VERSION "tig-0.6.git" |
b76c2afc JF |
16 | #endif |
17 | ||
8855ada4 JF |
18 | #ifndef DEBUG |
19 | #define NDEBUG | |
20 | #endif | |
21 | ||
22f66b0a | 22 | #include <assert.h> |
4c6fabc2 | 23 | #include <errno.h> |
22f66b0a JF |
24 | #include <ctype.h> |
25 | #include <signal.h> | |
b801d8b2 | 26 | #include <stdarg.h> |
b801d8b2 | 27 | #include <stdio.h> |
22f66b0a | 28 | #include <stdlib.h> |
b801d8b2 | 29 | #include <string.h> |
6908bdbd | 30 | #include <unistd.h> |
b76c2afc | 31 | #include <time.h> |
b801d8b2 | 32 | |
4af34daa JF |
33 | #include <sys/types.h> |
34 | #include <regex.h> | |
35 | ||
6b68fd24 JF |
36 | #include <locale.h> |
37 | #include <langinfo.h> | |
38 | #include <iconv.h> | |
39 | ||
b801d8b2 | 40 | #include <curses.h> |
b801d8b2 | 41 | |
e2da526d JF |
42 | #if __GNUC__ >= 3 |
43 | #define __NORETURN __attribute__((__noreturn__)) | |
44 | #else | |
45 | #define __NORETURN | |
46 | #endif | |
47 | ||
48 | static void __NORETURN die(const char *err, ...); | |
b801d8b2 | 49 | static void report(const char *msg, ...); |
4a63c884 | 50 | static int read_properties(FILE *pipe, const char *separators, int (*read)(char *, int, char *, int)); |
1ba2ae4b | 51 | static void set_nonblocking_input(bool loading); |
10e290ee | 52 | static size_t utf8_length(const char *string, size_t max_width, int *coloffset, int *trimmed); |
6b161b31 JF |
53 | |
54 | #define ABS(x) ((x) >= 0 ? (x) : -(x)) | |
55 | #define MIN(x, y) ((x) < (y) ? (x) : (y)) | |
56 | ||
57 | #define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0])) | |
58 | #define STRING_SIZE(x) (sizeof(x) - 1) | |
b76c2afc | 59 | |
17482b11 | 60 | #define SIZEOF_STR 1024 /* Default string size. */ |
2e8488b4 | 61 | #define SIZEOF_REF 256 /* Size of symbolic or SHA1 ID. */ |
10446330 | 62 | #define SIZEOF_REV 41 /* Holds a SHA-1 and an ending NUL */ |
c8d60a25 JF |
63 | |
64 | /* Revision graph */ | |
65 | ||
66 | #define REVGRAPH_INIT 'I' | |
67 | #define REVGRAPH_MERGE 'M' | |
68 | #define REVGRAPH_BRANCH '+' | |
69 | #define REVGRAPH_COMMIT '*' | |
70 | #define REVGRAPH_LINE '|' | |
71 | ||
54efb62b | 72 | #define SIZEOF_REVGRAPH 19 /* Size of revision ancestry graphics. */ |
b801d8b2 | 73 | |
82e78006 JF |
74 | /* This color name can be used to refer to the default term colors. */ |
75 | #define COLOR_DEFAULT (-1) | |
78c70acd | 76 | |
6b68fd24 JF |
77 | #define ICONV_NONE ((iconv_t) -1) |
78 | ||
82e78006 | 79 | /* The format and size of the date column in the main view. */ |
4c6fabc2 | 80 | #define DATE_FORMAT "%Y-%m-%d %H:%M" |
6b161b31 | 81 | #define DATE_COLS STRING_SIZE("2006-04-29 14:21 ") |
4c6fabc2 | 82 | |
10e290ee JF |
83 | #define AUTHOR_COLS 20 |
84 | ||
a28bcc22 | 85 | /* The default interval between line numbers. */ |
4a2909a7 | 86 | #define NUMBER_INTERVAL 1 |
82e78006 | 87 | |
6706b2ba JF |
88 | #define TABSIZE 8 |
89 | ||
a28bcc22 JF |
90 | #define SCALE_SPLIT_VIEW(height) ((height) * 2 / 3) |
91 | ||
8eb62770 | 92 | #define TIG_LS_REMOTE \ |
337d7377 | 93 | "git ls-remote $(git rev-parse --git-dir) 2>/dev/null" |
8eb62770 JF |
94 | |
95 | #define TIG_DIFF_CMD \ | |
73fb51d5 | 96 | "git show --root --patch-with-stat --find-copies-harder -B -C %s 2>/dev/null" |
8eb62770 JF |
97 | |
98 | #define TIG_LOG_CMD \ | |
8fee6614 | 99 | "git log --cc --stat -n100 %s 2>/dev/null" |
8eb62770 JF |
100 | |
101 | #define TIG_MAIN_CMD \ | |
8fee6614 | 102 | "git log --topo-order --pretty=raw %s 2>/dev/null" |
8eb62770 | 103 | |
e733ee54 JF |
104 | #define TIG_TREE_CMD \ |
105 | "git ls-tree %s %s" | |
106 | ||
107 | #define TIG_BLOB_CMD \ | |
108 | "git cat-file blob %s" | |
109 | ||
8eb62770 JF |
110 | /* XXX: Needs to be defined to the empty string. */ |
111 | #define TIG_HELP_CMD "" | |
112 | #define TIG_PAGER_CMD "" | |
113 | ||
8855ada4 | 114 | /* Some ascii-shorthands fitted into the ncurses namespace. */ |
a28bcc22 JF |
115 | #define KEY_TAB '\t' |
116 | #define KEY_RETURN '\r' | |
4a2909a7 JF |
117 | #define KEY_ESC 27 |
118 | ||
6706b2ba | 119 | |
c34d9c9f | 120 | struct ref { |
468876c9 | 121 | char *name; /* Ref name; tag or head names are shortened. */ |
10446330 | 122 | char id[SIZEOF_REV]; /* Commit SHA1 ID */ |
468876c9 | 123 | unsigned int tag:1; /* Is it a tag? */ |
e15ec88e | 124 | unsigned int remote:1; /* Is it a remote ref? */ |
468876c9 | 125 | unsigned int next:1; /* For ref lists: are there more refs? */ |
c34d9c9f JF |
126 | }; |
127 | ||
ff26aa29 | 128 | static struct ref **get_refs(char *id); |
4c6fabc2 | 129 | |
660e09ad JF |
130 | struct int_map { |
131 | const char *name; | |
132 | int namelen; | |
133 | int value; | |
134 | }; | |
135 | ||
136 | static int | |
137 | set_from_int_map(struct int_map *map, size_t map_size, | |
138 | int *value, const char *name, int namelen) | |
139 | { | |
140 | ||
141 | int i; | |
142 | ||
143 | for (i = 0; i < map_size; i++) | |
144 | if (namelen == map[i].namelen && | |
145 | !strncasecmp(name, map[i].name, namelen)) { | |
146 | *value = map[i].value; | |
147 | return OK; | |
148 | } | |
149 | ||
150 | return ERR; | |
151 | } | |
152 | ||
6706b2ba | 153 | |
03a93dbb JF |
154 | /* |
155 | * String helpers | |
156 | */ | |
78c70acd | 157 | |
82e78006 | 158 | static inline void |
9a48919b | 159 | string_ncopy_do(char *dst, size_t dstlen, const char *src, size_t srclen) |
82e78006 | 160 | { |
9a48919b JF |
161 | if (srclen > dstlen - 1) |
162 | srclen = dstlen - 1; | |
03a93dbb | 163 | |
9a48919b JF |
164 | strncpy(dst, src, srclen); |
165 | dst[srclen] = 0; | |
82e78006 JF |
166 | } |
167 | ||
9a48919b JF |
168 | /* Shorthands for safely copying into a fixed buffer. */ |
169 | ||
82e78006 | 170 | #define string_copy(dst, src) \ |
9a48919b JF |
171 | string_ncopy_do(dst, sizeof(dst), src, sizeof(dst)) |
172 | ||
173 | #define string_ncopy(dst, src, srclen) \ | |
174 | string_ncopy_do(dst, sizeof(dst), src, srclen) | |
82e78006 | 175 | |
2463b4ea JF |
176 | #define string_copy_rev(dst, src) \ |
177 | string_ncopy_do(dst, SIZEOF_REV, src, SIZEOF_REV - 1) | |
178 | ||
4a63c884 JF |
179 | static char * |
180 | chomp_string(char *name) | |
181 | { | |
182 | int namelen; | |
183 | ||
184 | while (isspace(*name)) | |
185 | name++; | |
186 | ||
187 | namelen = strlen(name) - 1; | |
188 | while (namelen > 0 && isspace(name[namelen])) | |
189 | name[namelen--] = 0; | |
190 | ||
191 | return name; | |
192 | } | |
193 | ||
cc2d1364 | 194 | static bool |
d65ced0d | 195 | string_nformat(char *buf, size_t bufsize, size_t *bufpos, const char *fmt, ...) |
cc2d1364 JF |
196 | { |
197 | va_list args; | |
d65ced0d | 198 | size_t pos = bufpos ? *bufpos : 0; |
cc2d1364 JF |
199 | |
200 | va_start(args, fmt); | |
201 | pos += vsnprintf(buf + pos, bufsize - pos, fmt, args); | |
202 | va_end(args); | |
203 | ||
204 | if (bufpos) | |
205 | *bufpos = pos; | |
206 | ||
207 | return pos >= bufsize ? FALSE : TRUE; | |
208 | } | |
209 | ||
210 | #define string_format(buf, fmt, args...) \ | |
211 | string_nformat(buf, sizeof(buf), NULL, fmt, args) | |
212 | ||
213 | #define string_format_from(buf, from, fmt, args...) \ | |
214 | string_nformat(buf, sizeof(buf), from, fmt, args) | |
6706b2ba | 215 | |
201f5a18 JF |
216 | static int |
217 | string_enum_compare(const char *str1, const char *str2, int len) | |
218 | { | |
219 | size_t i; | |
220 | ||
221 | #define string_enum_sep(x) ((x) == '-' || (x) == '_' || (x) == '.') | |
222 | ||
223 | /* Diff-Header == DIFF_HEADER */ | |
224 | for (i = 0; i < len; i++) { | |
225 | if (toupper(str1[i]) == toupper(str2[i])) | |
226 | continue; | |
227 | ||
228 | if (string_enum_sep(str1[i]) && | |
229 | string_enum_sep(str2[i])) | |
230 | continue; | |
231 | ||
232 | return str1[i] - str2[i]; | |
233 | } | |
234 | ||
235 | return 0; | |
236 | } | |
237 | ||
03a93dbb JF |
238 | /* Shell quoting |
239 | * | |
240 | * NOTE: The following is a slightly modified copy of the git project's shell | |
241 | * quoting routines found in the quote.c file. | |
242 | * | |
243 | * Help to copy the thing properly quoted for the shell safety. any single | |
244 | * quote is replaced with '\'', any exclamation point is replaced with '\!', | |
245 | * and the whole thing is enclosed in a | |
246 | * | |
247 | * E.g. | |
248 | * original sq_quote result | |
249 | * name ==> name ==> 'name' | |
250 | * a b ==> a b ==> 'a b' | |
251 | * a'b ==> a'\''b ==> 'a'\''b' | |
252 | * a!b ==> a'\!'b ==> 'a'\!'b' | |
253 | */ | |
254 | ||
255 | static size_t | |
17482b11 | 256 | sq_quote(char buf[SIZEOF_STR], size_t bufsize, const char *src) |
03a93dbb JF |
257 | { |
258 | char c; | |
259 | ||
17482b11 | 260 | #define BUFPUT(x) do { if (bufsize < SIZEOF_STR) buf[bufsize++] = (x); } while (0) |
03a93dbb JF |
261 | |
262 | BUFPUT('\''); | |
263 | while ((c = *src++)) { | |
264 | if (c == '\'' || c == '!') { | |
265 | BUFPUT('\''); | |
266 | BUFPUT('\\'); | |
267 | BUFPUT(c); | |
268 | BUFPUT('\''); | |
269 | } else { | |
270 | BUFPUT(c); | |
271 | } | |
272 | } | |
273 | BUFPUT('\''); | |
274 | ||
f0f114ac JF |
275 | if (bufsize < SIZEOF_STR) |
276 | buf[bufsize] = 0; | |
277 | ||
03a93dbb JF |
278 | return bufsize; |
279 | } | |
280 | ||
82e78006 | 281 | |
24b5b3e0 JF |
282 | /* |
283 | * User requests | |
284 | */ | |
285 | ||
286 | #define REQ_INFO \ | |
287 | /* XXX: Keep the view request first and in sync with views[]. */ \ | |
288 | REQ_GROUP("View switching") \ | |
289 | REQ_(VIEW_MAIN, "Show main view"), \ | |
290 | REQ_(VIEW_DIFF, "Show diff view"), \ | |
291 | REQ_(VIEW_LOG, "Show log view"), \ | |
e733ee54 JF |
292 | REQ_(VIEW_TREE, "Show tree view"), \ |
293 | REQ_(VIEW_BLOB, "Show blob view"), \ | |
24b5b3e0 JF |
294 | REQ_(VIEW_HELP, "Show help page"), \ |
295 | REQ_(VIEW_PAGER, "Show pager view"), \ | |
296 | \ | |
297 | REQ_GROUP("View manipulation") \ | |
298 | REQ_(ENTER, "Enter current line and scroll"), \ | |
299 | REQ_(NEXT, "Move to next"), \ | |
300 | REQ_(PREVIOUS, "Move to previous"), \ | |
301 | REQ_(VIEW_NEXT, "Move focus to next view"), \ | |
302 | REQ_(VIEW_CLOSE, "Close the current view"), \ | |
303 | REQ_(QUIT, "Close all views and quit"), \ | |
304 | \ | |
305 | REQ_GROUP("Cursor navigation") \ | |
306 | REQ_(MOVE_UP, "Move cursor one line up"), \ | |
307 | REQ_(MOVE_DOWN, "Move cursor one line down"), \ | |
308 | REQ_(MOVE_PAGE_DOWN, "Move cursor one page down"), \ | |
309 | REQ_(MOVE_PAGE_UP, "Move cursor one page up"), \ | |
310 | REQ_(MOVE_FIRST_LINE, "Move cursor to first line"), \ | |
311 | REQ_(MOVE_LAST_LINE, "Move cursor to last line"), \ | |
312 | \ | |
313 | REQ_GROUP("Scrolling") \ | |
314 | REQ_(SCROLL_LINE_UP, "Scroll one line up"), \ | |
315 | REQ_(SCROLL_LINE_DOWN, "Scroll one line down"), \ | |
316 | REQ_(SCROLL_PAGE_UP, "Scroll one page up"), \ | |
317 | REQ_(SCROLL_PAGE_DOWN, "Scroll one page down"), \ | |
318 | \ | |
4af34daa JF |
319 | REQ_GROUP("Searching") \ |
320 | REQ_(SEARCH, "Search the view"), \ | |
321 | REQ_(SEARCH_BACK, "Search backwards in the view"), \ | |
322 | REQ_(FIND_NEXT, "Find next search match"), \ | |
323 | REQ_(FIND_PREV, "Find previous search match"), \ | |
324 | \ | |
24b5b3e0 | 325 | REQ_GROUP("Misc") \ |
1d754561 | 326 | REQ_(NONE, "Do nothing"), \ |
24b5b3e0 | 327 | REQ_(PROMPT, "Bring up the prompt"), \ |
24b5b3e0 JF |
328 | REQ_(SCREEN_REDRAW, "Redraw the screen"), \ |
329 | REQ_(SCREEN_RESIZE, "Resize the screen"), \ | |
330 | REQ_(SHOW_VERSION, "Show version information"), \ | |
331 | REQ_(STOP_LOADING, "Stop all loading views"), \ | |
54efb62b | 332 | REQ_(TOGGLE_LINENO, "Toggle line numbers"), \ |
04e2b7b2 | 333 | REQ_(TOGGLE_REV_GRAPH, "Toggle revision graph visualization") |
24b5b3e0 JF |
334 | |
335 | ||
336 | /* User action requests. */ | |
337 | enum request { | |
338 | #define REQ_GROUP(help) | |
339 | #define REQ_(req, help) REQ_##req | |
340 | ||
341 | /* Offset all requests to avoid conflicts with ncurses getch values. */ | |
342 | REQ_OFFSET = KEY_MAX + 1, | |
04e2b7b2 JF |
343 | REQ_INFO, |
344 | REQ_UNKNOWN, | |
24b5b3e0 JF |
345 | |
346 | #undef REQ_GROUP | |
347 | #undef REQ_ | |
348 | }; | |
349 | ||
350 | struct request_info { | |
351 | enum request request; | |
04e2b7b2 JF |
352 | char *name; |
353 | int namelen; | |
24b5b3e0 JF |
354 | char *help; |
355 | }; | |
356 | ||
357 | static struct request_info req_info[] = { | |
04e2b7b2 JF |
358 | #define REQ_GROUP(help) { 0, NULL, 0, (help) }, |
359 | #define REQ_(req, help) { REQ_##req, (#req), STRING_SIZE(#req), (help) } | |
24b5b3e0 JF |
360 | REQ_INFO |
361 | #undef REQ_GROUP | |
362 | #undef REQ_ | |
363 | }; | |
364 | ||
04e2b7b2 JF |
365 | static enum request |
366 | get_request(const char *name) | |
367 | { | |
368 | int namelen = strlen(name); | |
369 | int i; | |
370 | ||
371 | for (i = 0; i < ARRAY_SIZE(req_info); i++) | |
372 | if (req_info[i].namelen == namelen && | |
373 | !string_enum_compare(req_info[i].name, name, namelen)) | |
374 | return req_info[i].request; | |
375 | ||
376 | return REQ_UNKNOWN; | |
377 | } | |
378 | ||
379 | ||
8eb62770 JF |
380 | /* |
381 | * Options | |
382 | */ | |
b76c2afc | 383 | |
4b8c01a3 JF |
384 | static const char usage[] = |
385 | VERSION " (" __DATE__ ")\n" | |
386 | "\n" | |
387 | "Usage: tig [options]\n" | |
388 | " or: tig [options] [--] [git log options]\n" | |
389 | " or: tig [options] log [git log options]\n" | |
390 | " or: tig [options] diff [git diff options]\n" | |
391 | " or: tig [options] show [git show options]\n" | |
392 | " or: tig [options] < [git command output]\n" | |
393 | "\n" | |
394 | "Options:\n" | |
395 | " -l Start up in log view\n" | |
396 | " -d Start up in diff view\n" | |
397 | " -n[I], --line-number[=I] Show line numbers with given interval\n" | |
b3c965c9 | 398 | " -b[N], --tab-size[=N] Set number of spaces for tab expansion\n" |
4b8c01a3 JF |
399 | " -- Mark end of tig options\n" |
400 | " -v, --version Show version and exit\n" | |
401 | " -h, --help Show help message and exit\n"; | |
402 | ||
6706b2ba | 403 | /* Option and state variables. */ |
92d30f5c | 404 | static bool opt_line_number = FALSE; |
11ce319e | 405 | static bool opt_rev_graph = FALSE; |
92d30f5c JF |
406 | static int opt_num_interval = NUMBER_INTERVAL; |
407 | static int opt_tab_size = TABSIZE; | |
408 | static enum request opt_request = REQ_VIEW_MAIN; | |
409 | static char opt_cmd[SIZEOF_STR] = ""; | |
e733ee54 | 410 | static char opt_path[SIZEOF_STR] = ""; |
92d30f5c JF |
411 | static FILE *opt_pipe = NULL; |
412 | static char opt_encoding[20] = "UTF-8"; | |
413 | static bool opt_utf8 = TRUE; | |
414 | static char opt_codeset[20] = "UTF-8"; | |
415 | static iconv_t opt_iconv = ICONV_NONE; | |
416 | static char opt_search[SIZEOF_STR] = ""; | |
b76c2afc | 417 | |
6dbf6c19 JF |
418 | enum option_type { |
419 | OPT_NONE, | |
420 | OPT_INT, | |
421 | }; | |
422 | ||
423 | static bool | |
424 | check_option(char *opt, char short_name, char *name, enum option_type type, ...) | |
425 | { | |
426 | va_list args; | |
427 | char *value = ""; | |
428 | int *number; | |
429 | ||
430 | if (opt[0] != '-') | |
431 | return FALSE; | |
432 | ||
433 | if (opt[1] == '-') { | |
434 | int namelen = strlen(name); | |
435 | ||
436 | opt += 2; | |
437 | ||
438 | if (strncmp(opt, name, namelen)) | |
439 | return FALSE; | |
440 | ||
441 | if (opt[namelen] == '=') | |
442 | value = opt + namelen + 1; | |
443 | ||
444 | } else { | |
445 | if (!short_name || opt[1] != short_name) | |
446 | return FALSE; | |
447 | value = opt + 2; | |
448 | } | |
449 | ||
450 | va_start(args, type); | |
451 | if (type == OPT_INT) { | |
452 | number = va_arg(args, int *); | |
453 | if (isdigit(*value)) | |
454 | *number = atoi(value); | |
455 | } | |
456 | va_end(args); | |
457 | ||
458 | return TRUE; | |
459 | } | |
460 | ||
b76c2afc | 461 | /* Returns the index of log or diff command or -1 to exit. */ |
8855ada4 | 462 | static bool |
b76c2afc JF |
463 | parse_options(int argc, char *argv[]) |
464 | { | |
465 | int i; | |
466 | ||
467 | for (i = 1; i < argc; i++) { | |
468 | char *opt = argv[i]; | |
469 | ||
3621d94e JF |
470 | if (!strcmp(opt, "log") || |
471 | !strcmp(opt, "diff") || | |
472 | !strcmp(opt, "show")) { | |
473 | opt_request = opt[0] == 'l' | |
474 | ? REQ_VIEW_LOG : REQ_VIEW_DIFF; | |
475 | break; | |
476 | } | |
477 | ||
8d27b36e JF |
478 | if (opt[0] && opt[0] != '-') |
479 | break; | |
480 | ||
6b161b31 | 481 | if (!strcmp(opt, "-l")) { |
4a2909a7 | 482 | opt_request = REQ_VIEW_LOG; |
6b161b31 JF |
483 | continue; |
484 | } | |
b76c2afc | 485 | |
6b161b31 | 486 | if (!strcmp(opt, "-d")) { |
4a2909a7 | 487 | opt_request = REQ_VIEW_DIFF; |
6b161b31 JF |
488 | continue; |
489 | } | |
b76c2afc | 490 | |
6dbf6c19 | 491 | if (check_option(opt, 'n', "line-number", OPT_INT, &opt_num_interval)) { |
6b161b31 JF |
492 | opt_line_number = TRUE; |
493 | continue; | |
494 | } | |
b76c2afc | 495 | |
6dbf6c19 JF |
496 | if (check_option(opt, 'b', "tab-size", OPT_INT, &opt_tab_size)) { |
497 | opt_tab_size = MIN(opt_tab_size, TABSIZE); | |
6706b2ba JF |
498 | continue; |
499 | } | |
500 | ||
6dbf6c19 | 501 | if (check_option(opt, 'v', "version", OPT_NONE)) { |
b76c2afc | 502 | printf("tig version %s\n", VERSION); |
8855ada4 | 503 | return FALSE; |
6b161b31 | 504 | } |
b76c2afc | 505 | |
6dbf6c19 | 506 | if (check_option(opt, 'h', "help", OPT_NONE)) { |
4b8c01a3 JF |
507 | printf(usage); |
508 | return FALSE; | |
509 | } | |
510 | ||
6908bdbd JF |
511 | if (!strcmp(opt, "--")) { |
512 | i++; | |
513 | break; | |
514 | } | |
03a93dbb | 515 | |
bf174187 | 516 | die("unknown option '%s'\n\n%s", opt, usage); |
b76c2afc JF |
517 | } |
518 | ||
6908bdbd | 519 | if (!isatty(STDIN_FILENO)) { |
6908bdbd JF |
520 | opt_request = REQ_VIEW_PAGER; |
521 | opt_pipe = stdin; | |
522 | ||
523 | } else if (i < argc) { | |
524 | size_t buf_size; | |
525 | ||
6908bdbd | 526 | if (opt_request == REQ_VIEW_MAIN) |
8855ada4 JF |
527 | /* XXX: This is vulnerable to the user overriding |
528 | * options required for the main view parser. */ | |
832a47c4 | 529 | string_copy(opt_cmd, "git log --pretty=raw"); |
6908bdbd JF |
530 | else |
531 | string_copy(opt_cmd, "git"); | |
532 | buf_size = strlen(opt_cmd); | |
533 | ||
534 | while (buf_size < sizeof(opt_cmd) && i < argc) { | |
535 | opt_cmd[buf_size++] = ' '; | |
536 | buf_size = sq_quote(opt_cmd, buf_size, argv[i++]); | |
537 | } | |
538 | ||
539 | if (buf_size >= sizeof(opt_cmd)) | |
540 | die("command too long"); | |
541 | ||
542 | opt_cmd[buf_size] = 0; | |
6908bdbd JF |
543 | } |
544 | ||
afdc35b3 JF |
545 | if (*opt_encoding && strcasecmp(opt_encoding, "UTF-8")) |
546 | opt_utf8 = FALSE; | |
547 | ||
8855ada4 | 548 | return TRUE; |
b76c2afc JF |
549 | } |
550 | ||
551 | ||
54efb62b JF |
552 | /* |
553 | * Line-oriented content detection. | |
554 | */ | |
555 | ||
2e8488b4 | 556 | #define LINE_INFO \ |
660e09ad | 557 | LINE(DIFF_HEADER, "diff --git ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ |
a28bcc22 JF |
558 | LINE(DIFF_CHUNK, "@@", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
559 | LINE(DIFF_ADD, "+", COLOR_GREEN, COLOR_DEFAULT, 0), \ | |
560 | LINE(DIFF_DEL, "-", COLOR_RED, COLOR_DEFAULT, 0), \ | |
660e09ad JF |
561 | LINE(DIFF_INDEX, "index ", COLOR_BLUE, COLOR_DEFAULT, 0), \ |
562 | LINE(DIFF_OLDMODE, "old file mode ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
563 | LINE(DIFF_NEWMODE, "new file mode ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
564 | LINE(DIFF_COPY_FROM, "copy from", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
565 | LINE(DIFF_COPY_TO, "copy to", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
566 | LINE(DIFF_RENAME_FROM, "rename from", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
567 | LINE(DIFF_RENAME_TO, "rename to", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
568 | LINE(DIFF_SIMILARITY, "similarity ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
569 | LINE(DIFF_DISSIMILARITY,"dissimilarity ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
570 | LINE(DIFF_TREE, "diff-tree ", COLOR_BLUE, COLOR_DEFAULT, 0), \ | |
6908bdbd | 571 | LINE(PP_AUTHOR, "Author: ", COLOR_CYAN, COLOR_DEFAULT, 0), \ |
8855ada4 | 572 | LINE(PP_COMMIT, "Commit: ", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
6908bdbd JF |
573 | LINE(PP_MERGE, "Merge: ", COLOR_BLUE, COLOR_DEFAULT, 0), \ |
574 | LINE(PP_DATE, "Date: ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
8855ada4 JF |
575 | LINE(PP_ADATE, "AuthorDate: ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ |
576 | LINE(PP_CDATE, "CommitDate: ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
7b99a34c | 577 | LINE(PP_REFS, "Refs: ", COLOR_RED, COLOR_DEFAULT, 0), \ |
a28bcc22 JF |
578 | LINE(COMMIT, "commit ", COLOR_GREEN, COLOR_DEFAULT, 0), \ |
579 | LINE(PARENT, "parent ", COLOR_BLUE, COLOR_DEFAULT, 0), \ | |
580 | LINE(TREE, "tree ", COLOR_BLUE, COLOR_DEFAULT, 0), \ | |
8855ada4 | 581 | LINE(AUTHOR, "author ", COLOR_CYAN, COLOR_DEFAULT, 0), \ |
a28bcc22 | 582 | LINE(COMMITTER, "committer ", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
a28bcc22 | 583 | LINE(SIGNOFF, " Signed-off-by", COLOR_YELLOW, COLOR_DEFAULT, 0), \ |
d4d8de8f | 584 | LINE(ACKED, " Acked-by", COLOR_YELLOW, COLOR_DEFAULT, 0), \ |
a28bcc22 JF |
585 | LINE(DEFAULT, "", COLOR_DEFAULT, COLOR_DEFAULT, A_NORMAL), \ |
586 | LINE(CURSOR, "", COLOR_WHITE, COLOR_GREEN, A_BOLD), \ | |
587 | LINE(STATUS, "", COLOR_GREEN, COLOR_DEFAULT, 0), \ | |
6b161b31 JF |
588 | LINE(TITLE_BLUR, "", COLOR_WHITE, COLOR_BLUE, 0), \ |
589 | LINE(TITLE_FOCUS, "", COLOR_WHITE, COLOR_BLUE, A_BOLD), \ | |
a28bcc22 JF |
590 | LINE(MAIN_DATE, "", COLOR_BLUE, COLOR_DEFAULT, 0), \ |
591 | LINE(MAIN_AUTHOR, "", COLOR_GREEN, COLOR_DEFAULT, 0), \ | |
592 | LINE(MAIN_COMMIT, "", COLOR_DEFAULT, COLOR_DEFAULT, 0), \ | |
c34d9c9f JF |
593 | LINE(MAIN_DELIM, "", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
594 | LINE(MAIN_TAG, "", COLOR_MAGENTA, COLOR_DEFAULT, A_BOLD), \ | |
e15ec88e | 595 | LINE(MAIN_REMOTE, "", COLOR_YELLOW, COLOR_DEFAULT, A_BOLD), \ |
660e09ad | 596 | LINE(MAIN_REF, "", COLOR_CYAN, COLOR_DEFAULT, A_BOLD), \ |
e733ee54 JF |
597 | LINE(TREE_DIR, "", COLOR_DEFAULT, COLOR_DEFAULT, A_NORMAL), \ |
598 | LINE(TREE_FILE, "", COLOR_DEFAULT, COLOR_DEFAULT, A_NORMAL) | |
660e09ad | 599 | |
78c70acd | 600 | enum line_type { |
2e8488b4 JF |
601 | #define LINE(type, line, fg, bg, attr) \ |
602 | LINE_##type | |
603 | LINE_INFO | |
604 | #undef LINE | |
78c70acd JF |
605 | }; |
606 | ||
607 | struct line_info { | |
660e09ad JF |
608 | const char *name; /* Option name. */ |
609 | int namelen; /* Size of option name. */ | |
4685845e | 610 | const char *line; /* The start of line to match. */ |
2e8488b4 JF |
611 | int linelen; /* Size of string to match. */ |
612 | int fg, bg, attr; /* Color and text attributes for the lines. */ | |
78c70acd JF |
613 | }; |
614 | ||
2e8488b4 | 615 | static struct line_info line_info[] = { |
78c70acd | 616 | #define LINE(type, line, fg, bg, attr) \ |
660e09ad | 617 | { #type, STRING_SIZE(#type), (line), STRING_SIZE(line), (fg), (bg), (attr) } |
2e8488b4 JF |
618 | LINE_INFO |
619 | #undef LINE | |
78c70acd JF |
620 | }; |
621 | ||
2e8488b4 JF |
622 | static enum line_type |
623 | get_line_type(char *line) | |
78c70acd JF |
624 | { |
625 | int linelen = strlen(line); | |
a28bcc22 | 626 | enum line_type type; |
78c70acd | 627 | |
a28bcc22 | 628 | for (type = 0; type < ARRAY_SIZE(line_info); type++) |
2e8488b4 | 629 | /* Case insensitive search matches Signed-off-by lines better. */ |
a28bcc22 JF |
630 | if (linelen >= line_info[type].linelen && |
631 | !strncasecmp(line_info[type].line, line, line_info[type].linelen)) | |
632 | return type; | |
78c70acd | 633 | |
2e8488b4 | 634 | return LINE_DEFAULT; |
78c70acd JF |
635 | } |
636 | ||
2e8488b4 | 637 | static inline int |
78c70acd JF |
638 | get_line_attr(enum line_type type) |
639 | { | |
2e8488b4 JF |
640 | assert(type < ARRAY_SIZE(line_info)); |
641 | return COLOR_PAIR(type) | line_info[type].attr; | |
78c70acd JF |
642 | } |
643 | ||
660e09ad JF |
644 | static struct line_info * |
645 | get_line_info(char *name, int namelen) | |
646 | { | |
647 | enum line_type type; | |
660e09ad JF |
648 | |
649 | for (type = 0; type < ARRAY_SIZE(line_info); type++) | |
650 | if (namelen == line_info[type].namelen && | |
201f5a18 | 651 | !string_enum_compare(line_info[type].name, name, namelen)) |
660e09ad JF |
652 | return &line_info[type]; |
653 | ||
654 | return NULL; | |
655 | } | |
656 | ||
78c70acd JF |
657 | static void |
658 | init_colors(void) | |
659 | { | |
82e78006 JF |
660 | int default_bg = COLOR_BLACK; |
661 | int default_fg = COLOR_WHITE; | |
a28bcc22 | 662 | enum line_type type; |
78c70acd JF |
663 | |
664 | start_color(); | |
665 | ||
666 | if (use_default_colors() != ERR) { | |
82e78006 JF |
667 | default_bg = -1; |
668 | default_fg = -1; | |
78c70acd JF |
669 | } |
670 | ||
a28bcc22 JF |
671 | for (type = 0; type < ARRAY_SIZE(line_info); type++) { |
672 | struct line_info *info = &line_info[type]; | |
82e78006 JF |
673 | int bg = info->bg == COLOR_DEFAULT ? default_bg : info->bg; |
674 | int fg = info->fg == COLOR_DEFAULT ? default_fg : info->fg; | |
78c70acd | 675 | |
a28bcc22 | 676 | init_pair(type, fg, bg); |
78c70acd JF |
677 | } |
678 | } | |
679 | ||
fe7233c3 JF |
680 | struct line { |
681 | enum line_type type; | |
3c571d67 JF |
682 | |
683 | /* State flags */ | |
684 | unsigned int selected:1; | |
685 | ||
fe7233c3 JF |
686 | void *data; /* User data */ |
687 | }; | |
688 | ||
78c70acd | 689 | |
1899507c | 690 | /* |
37157fa0 JF |
691 | * Keys |
692 | */ | |
693 | ||
93a97d86 | 694 | struct keybinding { |
37157fa0 | 695 | int alias; |
93a97d86 | 696 | enum request request; |
04e2b7b2 | 697 | struct keybinding *next; |
37157fa0 JF |
698 | }; |
699 | ||
93a97d86 | 700 | static struct keybinding default_keybindings[] = { |
37157fa0 JF |
701 | /* View switching */ |
702 | { 'm', REQ_VIEW_MAIN }, | |
703 | { 'd', REQ_VIEW_DIFF }, | |
704 | { 'l', REQ_VIEW_LOG }, | |
e733ee54 | 705 | { 't', REQ_VIEW_TREE }, |
0001fc34 | 706 | { 'f', REQ_VIEW_BLOB }, |
37157fa0 JF |
707 | { 'p', REQ_VIEW_PAGER }, |
708 | { 'h', REQ_VIEW_HELP }, | |
37157fa0 JF |
709 | |
710 | /* View manipulation */ | |
711 | { 'q', REQ_VIEW_CLOSE }, | |
712 | { KEY_TAB, REQ_VIEW_NEXT }, | |
713 | { KEY_RETURN, REQ_ENTER }, | |
714 | { KEY_UP, REQ_PREVIOUS }, | |
715 | { KEY_DOWN, REQ_NEXT }, | |
716 | ||
717 | /* Cursor navigation */ | |
718 | { 'k', REQ_MOVE_UP }, | |
719 | { 'j', REQ_MOVE_DOWN }, | |
720 | { KEY_HOME, REQ_MOVE_FIRST_LINE }, | |
721 | { KEY_END, REQ_MOVE_LAST_LINE }, | |
722 | { KEY_NPAGE, REQ_MOVE_PAGE_DOWN }, | |
723 | { ' ', REQ_MOVE_PAGE_DOWN }, | |
724 | { KEY_PPAGE, REQ_MOVE_PAGE_UP }, | |
725 | { 'b', REQ_MOVE_PAGE_UP }, | |
726 | { '-', REQ_MOVE_PAGE_UP }, | |
727 | ||
728 | /* Scrolling */ | |
729 | { KEY_IC, REQ_SCROLL_LINE_UP }, | |
730 | { KEY_DC, REQ_SCROLL_LINE_DOWN }, | |
731 | { 'w', REQ_SCROLL_PAGE_UP }, | |
732 | { 's', REQ_SCROLL_PAGE_DOWN }, | |
733 | ||
4af34daa JF |
734 | /* Searching */ |
735 | { '/', REQ_SEARCH }, | |
736 | { '?', REQ_SEARCH_BACK }, | |
737 | { 'n', REQ_FIND_NEXT }, | |
738 | { 'N', REQ_FIND_PREV }, | |
739 | ||
37157fa0 JF |
740 | /* Misc */ |
741 | { 'Q', REQ_QUIT }, | |
742 | { 'z', REQ_STOP_LOADING }, | |
743 | { 'v', REQ_SHOW_VERSION }, | |
744 | { 'r', REQ_SCREEN_REDRAW }, | |
904e68d8 | 745 | { '.', REQ_TOGGLE_LINENO }, |
73fb51d5 | 746 | { 'g', REQ_TOGGLE_REV_GRAPH }, |
37157fa0 JF |
747 | { ':', REQ_PROMPT }, |
748 | ||
1d754561 | 749 | /* Using the ncurses SIGWINCH handler. */ |
37157fa0 JF |
750 | { KEY_RESIZE, REQ_SCREEN_RESIZE }, |
751 | }; | |
752 | ||
04e2b7b2 JF |
753 | #define KEYMAP_INFO \ |
754 | KEYMAP_(GENERIC), \ | |
755 | KEYMAP_(MAIN), \ | |
756 | KEYMAP_(DIFF), \ | |
757 | KEYMAP_(LOG), \ | |
e733ee54 JF |
758 | KEYMAP_(TREE), \ |
759 | KEYMAP_(BLOB), \ | |
04e2b7b2 JF |
760 | KEYMAP_(PAGER), \ |
761 | KEYMAP_(HELP) \ | |
762 | ||
763 | enum keymap { | |
764 | #define KEYMAP_(name) KEYMAP_##name | |
765 | KEYMAP_INFO | |
766 | #undef KEYMAP_ | |
767 | }; | |
768 | ||
769 | static struct int_map keymap_table[] = { | |
770 | #define KEYMAP_(name) { #name, STRING_SIZE(#name), KEYMAP_##name } | |
771 | KEYMAP_INFO | |
772 | #undef KEYMAP_ | |
773 | }; | |
774 | ||
775 | #define set_keymap(map, name) \ | |
776 | set_from_int_map(keymap_table, ARRAY_SIZE(keymap_table), map, name, strlen(name)) | |
777 | ||
778 | static struct keybinding *keybindings[ARRAY_SIZE(keymap_table)]; | |
779 | ||
780 | static void | |
781 | add_keybinding(enum keymap keymap, enum request request, int key) | |
782 | { | |
783 | struct keybinding *keybinding; | |
784 | ||
785 | keybinding = calloc(1, sizeof(*keybinding)); | |
786 | if (!keybinding) | |
787 | die("Failed to allocate keybinding"); | |
788 | ||
789 | keybinding->alias = key; | |
790 | keybinding->request = request; | |
791 | keybinding->next = keybindings[keymap]; | |
792 | keybindings[keymap] = keybinding; | |
793 | } | |
794 | ||
795 | /* Looks for a key binding first in the given map, then in the generic map, and | |
796 | * lastly in the default keybindings. */ | |
37157fa0 | 797 | static enum request |
04e2b7b2 | 798 | get_keybinding(enum keymap keymap, int key) |
37157fa0 | 799 | { |
04e2b7b2 | 800 | struct keybinding *kbd; |
37157fa0 JF |
801 | int i; |
802 | ||
04e2b7b2 JF |
803 | for (kbd = keybindings[keymap]; kbd; kbd = kbd->next) |
804 | if (kbd->alias == key) | |
805 | return kbd->request; | |
806 | ||
807 | for (kbd = keybindings[KEYMAP_GENERIC]; kbd; kbd = kbd->next) | |
808 | if (kbd->alias == key) | |
809 | return kbd->request; | |
810 | ||
93a97d86 JF |
811 | for (i = 0; i < ARRAY_SIZE(default_keybindings); i++) |
812 | if (default_keybindings[i].alias == key) | |
813 | return default_keybindings[i].request; | |
37157fa0 JF |
814 | |
815 | return (enum request) key; | |
816 | } | |
817 | ||
93a97d86 | 818 | |
37157fa0 JF |
819 | struct key { |
820 | char *name; | |
821 | int value; | |
822 | }; | |
823 | ||
824 | static struct key key_table[] = { | |
825 | { "Enter", KEY_RETURN }, | |
826 | { "Space", ' ' }, | |
827 | { "Backspace", KEY_BACKSPACE }, | |
828 | { "Tab", KEY_TAB }, | |
829 | { "Escape", KEY_ESC }, | |
830 | { "Left", KEY_LEFT }, | |
831 | { "Right", KEY_RIGHT }, | |
832 | { "Up", KEY_UP }, | |
833 | { "Down", KEY_DOWN }, | |
834 | { "Insert", KEY_IC }, | |
835 | { "Delete", KEY_DC }, | |
74f83ee6 | 836 | { "Hash", '#' }, |
37157fa0 JF |
837 | { "Home", KEY_HOME }, |
838 | { "End", KEY_END }, | |
839 | { "PageUp", KEY_PPAGE }, | |
840 | { "PageDown", KEY_NPAGE }, | |
841 | { "F1", KEY_F(1) }, | |
842 | { "F2", KEY_F(2) }, | |
843 | { "F3", KEY_F(3) }, | |
844 | { "F4", KEY_F(4) }, | |
845 | { "F5", KEY_F(5) }, | |
846 | { "F6", KEY_F(6) }, | |
847 | { "F7", KEY_F(7) }, | |
848 | { "F8", KEY_F(8) }, | |
849 | { "F9", KEY_F(9) }, | |
850 | { "F10", KEY_F(10) }, | |
851 | { "F11", KEY_F(11) }, | |
852 | { "F12", KEY_F(12) }, | |
853 | }; | |
854 | ||
04e2b7b2 JF |
855 | static int |
856 | get_key_value(const char *name) | |
857 | { | |
858 | int i; | |
859 | ||
860 | for (i = 0; i < ARRAY_SIZE(key_table); i++) | |
861 | if (!strcasecmp(key_table[i].name, name)) | |
862 | return key_table[i].value; | |
863 | ||
864 | if (strlen(name) == 1 && isprint(*name)) | |
865 | return (int) *name; | |
866 | ||
867 | return ERR; | |
868 | } | |
869 | ||
37157fa0 JF |
870 | static char * |
871 | get_key(enum request request) | |
872 | { | |
873 | static char buf[BUFSIZ]; | |
874 | static char key_char[] = "'X'"; | |
d65ced0d | 875 | size_t pos = 0; |
520094b4 | 876 | char *sep = ""; |
37157fa0 JF |
877 | int i; |
878 | ||
879 | buf[pos] = 0; | |
880 | ||
93a97d86 JF |
881 | for (i = 0; i < ARRAY_SIZE(default_keybindings); i++) { |
882 | struct keybinding *keybinding = &default_keybindings[i]; | |
37157fa0 JF |
883 | char *seq = NULL; |
884 | int key; | |
885 | ||
93a97d86 | 886 | if (keybinding->request != request) |
37157fa0 JF |
887 | continue; |
888 | ||
889 | for (key = 0; key < ARRAY_SIZE(key_table); key++) | |
93a97d86 | 890 | if (key_table[key].value == keybinding->alias) |
37157fa0 JF |
891 | seq = key_table[key].name; |
892 | ||
893 | if (seq == NULL && | |
93a97d86 JF |
894 | keybinding->alias < 127 && |
895 | isprint(keybinding->alias)) { | |
896 | key_char[1] = (char) keybinding->alias; | |
37157fa0 JF |
897 | seq = key_char; |
898 | } | |
899 | ||
900 | if (!seq) | |
901 | seq = "'?'"; | |
902 | ||
903 | if (!string_format_from(buf, &pos, "%s%s", sep, seq)) | |
904 | return "Too many keybindings!"; | |
905 | sep = ", "; | |
906 | } | |
907 | ||
908 | return buf; | |
909 | } | |
910 | ||
911 | ||
912 | /* | |
1899507c JF |
913 | * User config file handling. |
914 | */ | |
915 | ||
5dc795f2 JF |
916 | static struct int_map color_map[] = { |
917 | #define COLOR_MAP(name) { #name, STRING_SIZE(#name), COLOR_##name } | |
918 | COLOR_MAP(DEFAULT), | |
919 | COLOR_MAP(BLACK), | |
920 | COLOR_MAP(BLUE), | |
921 | COLOR_MAP(CYAN), | |
922 | COLOR_MAP(GREEN), | |
923 | COLOR_MAP(MAGENTA), | |
924 | COLOR_MAP(RED), | |
925 | COLOR_MAP(WHITE), | |
926 | COLOR_MAP(YELLOW), | |
927 | }; | |
928 | ||
9256ab05 JF |
929 | #define set_color(color, name) \ |
930 | set_from_int_map(color_map, ARRAY_SIZE(color_map), color, name, strlen(name)) | |
660e09ad | 931 | |
5dc795f2 JF |
932 | static struct int_map attr_map[] = { |
933 | #define ATTR_MAP(name) { #name, STRING_SIZE(#name), A_##name } | |
934 | ATTR_MAP(NORMAL), | |
935 | ATTR_MAP(BLINK), | |
936 | ATTR_MAP(BOLD), | |
937 | ATTR_MAP(DIM), | |
938 | ATTR_MAP(REVERSE), | |
939 | ATTR_MAP(STANDOUT), | |
940 | ATTR_MAP(UNDERLINE), | |
941 | }; | |
942 | ||
9256ab05 JF |
943 | #define set_attribute(attr, name) \ |
944 | set_from_int_map(attr_map, ARRAY_SIZE(attr_map), attr, name, strlen(name)) | |
660e09ad | 945 | |
3c3801c2 JF |
946 | static int config_lineno; |
947 | static bool config_errors; | |
948 | static char *config_msg; | |
949 | ||
5bfd96c7 | 950 | /* Wants: object fgcolor bgcolor [attr] */ |
660e09ad | 951 | static int |
5bfd96c7 | 952 | option_color_command(int argc, char *argv[]) |
660e09ad | 953 | { |
bca8fcaa JF |
954 | struct line_info *info; |
955 | ||
9256ab05 JF |
956 | if (argc != 3 && argc != 4) { |
957 | config_msg = "Wrong number of arguments given to color command"; | |
958 | return ERR; | |
959 | } | |
960 | ||
961 | info = get_line_info(argv[0], strlen(argv[0])); | |
bca8fcaa JF |
962 | if (!info) { |
963 | config_msg = "Unknown color name"; | |
964 | return ERR; | |
965 | } | |
660e09ad | 966 | |
a3653368 JF |
967 | if (set_color(&info->fg, argv[1]) == ERR || |
968 | set_color(&info->bg, argv[2]) == ERR) { | |
bca8fcaa JF |
969 | config_msg = "Unknown color"; |
970 | return ERR; | |
971 | } | |
660e09ad | 972 | |
9256ab05 | 973 | if (argc == 4 && set_attribute(&info->attr, argv[3]) == ERR) { |
bca8fcaa JF |
974 | config_msg = "Unknown attribute"; |
975 | return ERR; | |
660e09ad JF |
976 | } |
977 | ||
bca8fcaa JF |
978 | return OK; |
979 | } | |
980 | ||
5bfd96c7 JF |
981 | /* Wants: name = value */ |
982 | static int | |
983 | option_set_command(int argc, char *argv[]) | |
984 | { | |
985 | if (argc != 3) { | |
986 | config_msg = "Wrong number of arguments given to set command"; | |
987 | return ERR; | |
988 | } | |
989 | ||
990 | if (strcmp(argv[1], "=")) { | |
991 | config_msg = "No value assigned"; | |
992 | return ERR; | |
993 | } | |
994 | ||
995 | if (!strcmp(argv[0], "show-rev-graph")) { | |
996 | opt_rev_graph = (!strcmp(argv[2], "1") || | |
997 | !strcmp(argv[2], "true") || | |
998 | !strcmp(argv[2], "yes")); | |
999 | return OK; | |
1000 | } | |
1001 | ||
1002 | if (!strcmp(argv[0], "line-number-interval")) { | |
1003 | opt_num_interval = atoi(argv[2]); | |
1004 | return OK; | |
1005 | } | |
1006 | ||
1007 | if (!strcmp(argv[0], "tab-size")) { | |
1008 | opt_tab_size = atoi(argv[2]); | |
1009 | return OK; | |
1010 | } | |
1011 | ||
cb7267ee | 1012 | if (!strcmp(argv[0], "commit-encoding")) { |
3cc9a4d4 JF |
1013 | char *arg = argv[2]; |
1014 | int delimiter = *arg; | |
1015 | int i; | |
1016 | ||
1017 | switch (delimiter) { | |
1018 | case '"': | |
1019 | case '\'': | |
1020 | for (arg++, i = 0; arg[i]; i++) | |
1021 | if (arg[i] == delimiter) { | |
1022 | arg[i] = 0; | |
1023 | break; | |
1024 | } | |
1025 | default: | |
1026 | string_copy(opt_encoding, arg); | |
1027 | return OK; | |
1028 | } | |
5bfd96c7 JF |
1029 | } |
1030 | ||
a3653368 | 1031 | config_msg = "Unknown variable name"; |
5bfd96c7 JF |
1032 | return ERR; |
1033 | } | |
1034 | ||
04e2b7b2 JF |
1035 | /* Wants: mode request key */ |
1036 | static int | |
1037 | option_bind_command(int argc, char *argv[]) | |
1038 | { | |
1039 | enum request request; | |
1040 | int keymap; | |
1041 | int key; | |
1042 | ||
1043 | if (argc != 3) { | |
1044 | config_msg = "Wrong number of arguments given to bind command"; | |
1045 | return ERR; | |
1046 | } | |
1047 | ||
1048 | if (set_keymap(&keymap, argv[0]) == ERR) { | |
1049 | config_msg = "Unknown key map"; | |
1050 | return ERR; | |
1051 | } | |
1052 | ||
1053 | key = get_key_value(argv[1]); | |
1054 | if (key == ERR) { | |
1055 | config_msg = "Unknown key"; | |
1056 | return ERR; | |
1057 | } | |
1058 | ||
1059 | request = get_request(argv[2]); | |
1060 | if (request == REQ_UNKNOWN) { | |
1061 | config_msg = "Unknown request name"; | |
1062 | return ERR; | |
1063 | } | |
1064 | ||
1065 | add_keybinding(keymap, request, key); | |
1066 | ||
1067 | return OK; | |
1068 | } | |
1069 | ||
bca8fcaa | 1070 | static int |
9256ab05 | 1071 | set_option(char *opt, char *value) |
bca8fcaa | 1072 | { |
9256ab05 JF |
1073 | char *argv[16]; |
1074 | int valuelen; | |
1075 | int argc = 0; | |
1076 | ||
1077 | /* Tokenize */ | |
1078 | while (argc < ARRAY_SIZE(argv) && (valuelen = strcspn(value, " \t"))) { | |
1079 | argv[argc++] = value; | |
1080 | ||
1081 | value += valuelen; | |
1082 | if (!*value) | |
1083 | break; | |
1084 | ||
1085 | *value++ = 0; | |
1086 | while (isspace(*value)) | |
1087 | value++; | |
1088 | } | |
1089 | ||
1090 | if (!strcmp(opt, "color")) | |
5bfd96c7 JF |
1091 | return option_color_command(argc, argv); |
1092 | ||
1093 | if (!strcmp(opt, "set")) | |
1094 | return option_set_command(argc, argv); | |
bca8fcaa | 1095 | |
04e2b7b2 JF |
1096 | if (!strcmp(opt, "bind")) |
1097 | return option_bind_command(argc, argv); | |
1098 | ||
a3653368 | 1099 | config_msg = "Unknown option command"; |
660e09ad JF |
1100 | return ERR; |
1101 | } | |
1102 | ||
1103 | static int | |
3c3801c2 JF |
1104 | read_option(char *opt, int optlen, char *value, int valuelen) |
1105 | { | |
a3653368 JF |
1106 | int status = OK; |
1107 | ||
3c3801c2 JF |
1108 | config_lineno++; |
1109 | config_msg = "Internal error"; | |
1110 | ||
a3653368 JF |
1111 | /* Check for comment markers, since read_properties() will |
1112 | * only ensure opt and value are split at first " \t". */ | |
74f83ee6 | 1113 | optlen = strcspn(opt, "#"); |
a3653368 | 1114 | if (optlen == 0) |
3c3801c2 JF |
1115 | return OK; |
1116 | ||
a3653368 JF |
1117 | if (opt[optlen] != 0) { |
1118 | config_msg = "No option value"; | |
1119 | status = ERR; | |
1120 | ||
1121 | } else { | |
1122 | /* Look for comment endings in the value. */ | |
74f83ee6 | 1123 | int len = strcspn(value, "#"); |
a3653368 JF |
1124 | |
1125 | if (len < valuelen) { | |
1126 | valuelen = len; | |
1127 | value[valuelen] = 0; | |
1128 | } | |
1129 | ||
1130 | status = set_option(opt, value); | |
3c3801c2 JF |
1131 | } |
1132 | ||
a3653368 JF |
1133 | if (status == ERR) { |
1134 | fprintf(stderr, "Error on line %d, near '%.*s': %s\n", | |
3c3801c2 JF |
1135 | config_lineno, optlen, opt, config_msg); |
1136 | config_errors = TRUE; | |
1137 | } | |
1138 | ||
1139 | /* Always keep going if errors are encountered. */ | |
1140 | return OK; | |
1141 | } | |
1142 | ||
1143 | static int | |
660e09ad JF |
1144 | load_options(void) |
1145 | { | |
1146 | char *home = getenv("HOME"); | |
17482b11 | 1147 | char buf[SIZEOF_STR]; |
660e09ad JF |
1148 | FILE *file; |
1149 | ||
3c3801c2 JF |
1150 | config_lineno = 0; |
1151 | config_errors = FALSE; | |
1152 | ||
cc2d1364 | 1153 | if (!home || !string_format(buf, "%s/.tigrc", home)) |
660e09ad JF |
1154 | return ERR; |
1155 | ||
1156 | /* It's ok that the file doesn't exist. */ | |
1157 | file = fopen(buf, "r"); | |
1158 | if (!file) | |
1159 | return OK; | |
1160 | ||
3c3801c2 JF |
1161 | if (read_properties(file, " \t", read_option) == ERR || |
1162 | config_errors == TRUE) | |
1163 | fprintf(stderr, "Errors while loading %s.\n", buf); | |
1164 | ||
1165 | return OK; | |
660e09ad JF |
1166 | } |
1167 | ||
1168 | ||
d839253b | 1169 | /* |
468876c9 | 1170 | * The viewer |
d839253b | 1171 | */ |
c2124ccd JF |
1172 | |
1173 | struct view; | |
fe7233c3 | 1174 | struct view_ops; |
c2124ccd JF |
1175 | |
1176 | /* The display array of active views and the index of the current view. */ | |
1177 | static struct view *display[2]; | |
1178 | static unsigned int current_view; | |
1179 | ||
ab4af23e JF |
1180 | /* Reading from the prompt? */ |
1181 | static bool input_mode = FALSE; | |
1182 | ||
33c4f9ea | 1183 | #define foreach_displayed_view(view, i) \ |
c2124ccd JF |
1184 | for (i = 0; i < ARRAY_SIZE(display) && (view = display[i]); i++) |
1185 | ||
9f41488f | 1186 | #define displayed_views() (display[1] != NULL ? 2 : 1) |
c2124ccd | 1187 | |
d839253b | 1188 | /* Current head and commit ID */ |
e733ee54 | 1189 | static char ref_blob[SIZEOF_REF] = ""; |
c2124ccd JF |
1190 | static char ref_commit[SIZEOF_REF] = "HEAD"; |
1191 | static char ref_head[SIZEOF_REF] = "HEAD"; | |
1192 | ||
b801d8b2 | 1193 | struct view { |
03a93dbb | 1194 | const char *name; /* View name */ |
4685845e TH |
1195 | const char *cmd_fmt; /* Default command line format */ |
1196 | const char *cmd_env; /* Command line set via environment */ | |
e733ee54 | 1197 | const char *id; /* Points to either of ref_{head,commit,blob} */ |
6b161b31 | 1198 | |
fe7233c3 | 1199 | struct view_ops *ops; /* View operations */ |
22f66b0a | 1200 | |
04e2b7b2 JF |
1201 | enum keymap keymap; /* What keymap does this view have */ |
1202 | ||
17482b11 | 1203 | char cmd[SIZEOF_STR]; /* Command buffer */ |
49f2b43f JF |
1204 | char ref[SIZEOF_REF]; /* Hovered commit reference */ |
1205 | char vid[SIZEOF_REF]; /* View ID. Set to id member when updating. */ | |
2e8488b4 | 1206 | |
8855ada4 JF |
1207 | int height, width; /* The width and height of the main window */ |
1208 | WINDOW *win; /* The main window */ | |
1209 | WINDOW *title; /* The title window living below the main window */ | |
b801d8b2 JF |
1210 | |
1211 | /* Navigation */ | |
1212 | unsigned long offset; /* Offset of the window top */ | |
1213 | unsigned long lineno; /* Current line number */ | |
1214 | ||
4af34daa JF |
1215 | /* Searching */ |
1216 | char grep[SIZEOF_STR]; /* Search string */ | |
b77b2cb8 | 1217 | regex_t *regex; /* Pre-compiled regex */ |
4af34daa | 1218 | |
f6da0b66 JF |
1219 | /* If non-NULL, points to the view that opened this view. If this view |
1220 | * is closed tig will switch back to the parent view. */ | |
1221 | struct view *parent; | |
1222 | ||
b801d8b2 JF |
1223 | /* Buffering */ |
1224 | unsigned long lines; /* Total number of lines */ | |
fe7233c3 | 1225 | struct line *line; /* Line index */ |
e2c01617 | 1226 | unsigned long line_size;/* Total number of allocated lines */ |
8855ada4 | 1227 | unsigned int digits; /* Number of digits in the lines member. */ |
b801d8b2 JF |
1228 | |
1229 | /* Loading */ | |
1230 | FILE *pipe; | |
2e8488b4 | 1231 | time_t start_time; |
b801d8b2 JF |
1232 | }; |
1233 | ||
fe7233c3 JF |
1234 | struct view_ops { |
1235 | /* What type of content being displayed. Used in the title bar. */ | |
1236 | const char *type; | |
f098944b JF |
1237 | /* Open and reads in all view content. */ |
1238 | bool (*open)(struct view *view); | |
fe7233c3 | 1239 | /* Read one line; updates view->line. */ |
701e4f5d | 1240 | bool (*read)(struct view *view, char *data); |
f098944b JF |
1241 | /* Draw one line; @lineno must be < view->height. */ |
1242 | bool (*draw)(struct view *view, struct line *line, unsigned int lineno, bool selected); | |
fe7233c3 JF |
1243 | /* Depending on view, change display based on current line. */ |
1244 | bool (*enter)(struct view *view, struct line *line); | |
4af34daa JF |
1245 | /* Search for regex in a line. */ |
1246 | bool (*grep)(struct view *view, struct line *line); | |
d720de4b JF |
1247 | /* Select line */ |
1248 | void (*select)(struct view *view, struct line *line); | |
fe7233c3 JF |
1249 | }; |
1250 | ||
6b161b31 JF |
1251 | static struct view_ops pager_ops; |
1252 | static struct view_ops main_ops; | |
e733ee54 JF |
1253 | static struct view_ops tree_ops; |
1254 | static struct view_ops blob_ops; | |
f098944b | 1255 | static struct view_ops help_ops; |
a28bcc22 | 1256 | |
04e2b7b2 JF |
1257 | #define VIEW_STR(name, cmd, env, ref, ops, map) \ |
1258 | { name, cmd, #env, ref, ops, map} | |
1ba2ae4b | 1259 | |
95d7ddcd | 1260 | #define VIEW_(id, name, ops, ref) \ |
04e2b7b2 | 1261 | VIEW_STR(name, TIG_##id##_CMD, TIG_##id##_CMD, ref, ops, KEYMAP_##id) |
1ba2ae4b | 1262 | |
c2124ccd | 1263 | |
b801d8b2 | 1264 | static struct view views[] = { |
95d7ddcd JF |
1265 | VIEW_(MAIN, "main", &main_ops, ref_head), |
1266 | VIEW_(DIFF, "diff", &pager_ops, ref_commit), | |
1267 | VIEW_(LOG, "log", &pager_ops, ref_head), | |
e733ee54 JF |
1268 | VIEW_(TREE, "tree", &tree_ops, ref_commit), |
1269 | VIEW_(BLOB, "blob", &blob_ops, ref_blob), | |
f098944b | 1270 | VIEW_(HELP, "help", &help_ops, ""), |
035ba11f | 1271 | VIEW_(PAGER, "pager", &pager_ops, ""), |
b801d8b2 JF |
1272 | }; |
1273 | ||
a28bcc22 JF |
1274 | #define VIEW(req) (&views[(req) - REQ_OFFSET - 1]) |
1275 | ||
699ae55b JF |
1276 | #define foreach_view(view, i) \ |
1277 | for (i = 0; i < ARRAY_SIZE(views) && (view = &views[i]); i++) | |
1278 | ||
1279 | #define view_is_displayed(view) \ | |
1280 | (view == display[0] || view == display[1]) | |
4c6fabc2 | 1281 | |
fe7233c3 JF |
1282 | static bool |
1283 | draw_view_line(struct view *view, unsigned int lineno) | |
1284 | { | |
d720de4b | 1285 | struct line *line; |
5dcf8064 | 1286 | bool selected = (view->offset + lineno == view->lineno); |
4887d44e | 1287 | bool draw_ok; |
d720de4b | 1288 | |
699ae55b JF |
1289 | assert(view_is_displayed(view)); |
1290 | ||
fe7233c3 JF |
1291 | if (view->offset + lineno >= view->lines) |
1292 | return FALSE; | |
1293 | ||
d720de4b JF |
1294 | line = &view->line[view->offset + lineno]; |
1295 | ||
3c571d67 JF |
1296 | if (selected) { |
1297 | line->selected = TRUE; | |
d720de4b | 1298 | view->ops->select(view, line); |
3c571d67 JF |
1299 | } else if (line->selected) { |
1300 | line->selected = FALSE; | |
1301 | wmove(view->win, lineno, 0); | |
1302 | wclrtoeol(view->win); | |
1303 | } | |
d720de4b | 1304 | |
4887d44e JF |
1305 | scrollok(view->win, FALSE); |
1306 | draw_ok = view->ops->draw(view, line, lineno, selected); | |
1307 | scrollok(view->win, TRUE); | |
1308 | ||
1309 | return draw_ok; | |
fe7233c3 JF |
1310 | } |
1311 | ||
b801d8b2 | 1312 | static void |
82e78006 | 1313 | redraw_view_from(struct view *view, int lineno) |
b801d8b2 | 1314 | { |
82e78006 | 1315 | assert(0 <= lineno && lineno < view->height); |
b801d8b2 | 1316 | |
82e78006 | 1317 | for (; lineno < view->height; lineno++) { |
fe7233c3 | 1318 | if (!draw_view_line(view, lineno)) |
fd85fef1 | 1319 | break; |
b801d8b2 JF |
1320 | } |
1321 | ||
1322 | redrawwin(view->win); | |
ab4af23e JF |
1323 | if (input_mode) |
1324 | wnoutrefresh(view->win); | |
1325 | else | |
1326 | wrefresh(view->win); | |
b801d8b2 JF |
1327 | } |
1328 | ||
b76c2afc | 1329 | static void |
82e78006 JF |
1330 | redraw_view(struct view *view) |
1331 | { | |
1332 | wclear(view->win); | |
1333 | redraw_view_from(view, 0); | |
1334 | } | |
1335 | ||
c2124ccd | 1336 | |
6b161b31 | 1337 | static void |
81030ec8 JF |
1338 | update_view_title(struct view *view) |
1339 | { | |
3c112a88 | 1340 | char buf[SIZEOF_STR]; |
71d1c7db JF |
1341 | char state[SIZEOF_STR]; |
1342 | size_t bufpos = 0, statelen = 0; | |
81030ec8 | 1343 | |
3c112a88 | 1344 | assert(view_is_displayed(view)); |
81030ec8 | 1345 | |
c19f8017 | 1346 | if (view->lines || view->pipe) { |
6d9c07af | 1347 | unsigned int view_lines = view->offset + view->height; |
c19f8017 | 1348 | unsigned int lines = view->lines |
6d9c07af | 1349 | ? MIN(view_lines, view->lines) * 100 / view->lines |
c19f8017 JF |
1350 | : 0; |
1351 | ||
71d1c7db | 1352 | string_format_from(state, &statelen, "- %s %d of %d (%d%%)", |
3c112a88 JF |
1353 | view->ops->type, |
1354 | view->lineno + 1, | |
1355 | view->lines, | |
1356 | lines); | |
81030ec8 | 1357 | |
5becf244 JF |
1358 | if (view->pipe) { |
1359 | time_t secs = time(NULL) - view->start_time; | |
f97f4012 | 1360 | |
5becf244 JF |
1361 | /* Three git seconds are a long time ... */ |
1362 | if (secs > 2) | |
71d1c7db | 1363 | string_format_from(state, &statelen, " %lds", secs); |
5becf244 | 1364 | } |
81030ec8 JF |
1365 | } |
1366 | ||
71d1c7db JF |
1367 | string_format_from(buf, &bufpos, "[%s]", view->name); |
1368 | if (*view->ref && bufpos < view->width) { | |
1369 | size_t refsize = strlen(view->ref); | |
1370 | size_t minsize = bufpos + 1 + /* abbrev= */ 7 + 1 + statelen; | |
1371 | ||
1372 | if (minsize < view->width) | |
1373 | refsize = view->width - minsize + 7; | |
1374 | string_format_from(buf, &bufpos, " %.*s", refsize, view->ref); | |
1375 | } | |
f97f4012 | 1376 | |
71d1c7db JF |
1377 | if (statelen && bufpos < view->width) { |
1378 | string_format_from(buf, &bufpos, " %s", state); | |
f97f4012 JF |
1379 | } |
1380 | ||
3c112a88 JF |
1381 | if (view == display[current_view]) |
1382 | wbkgdset(view->title, get_line_attr(LINE_TITLE_FOCUS)); | |
1383 | else | |
1384 | wbkgdset(view->title, get_line_attr(LINE_TITLE_BLUR)); | |
1385 | ||
3c112a88 | 1386 | mvwaddnstr(view->title, 0, 0, buf, bufpos); |
390a8262 | 1387 | wclrtoeol(view->title); |
976447f8 | 1388 | wmove(view->title, 0, view->width - 1); |
ab4af23e JF |
1389 | |
1390 | if (input_mode) | |
1391 | wnoutrefresh(view->title); | |
1392 | else | |
1393 | wrefresh(view->title); | |
81030ec8 JF |
1394 | } |
1395 | ||
1396 | static void | |
6b161b31 | 1397 | resize_display(void) |
b76c2afc | 1398 | { |
03a93dbb | 1399 | int offset, i; |
6b161b31 JF |
1400 | struct view *base = display[0]; |
1401 | struct view *view = display[1] ? display[1] : display[0]; | |
b76c2afc | 1402 | |
6b161b31 | 1403 | /* Setup window dimensions */ |
b76c2afc | 1404 | |
03a93dbb | 1405 | getmaxyx(stdscr, base->height, base->width); |
b76c2afc | 1406 | |
6b161b31 | 1407 | /* Make room for the status window. */ |
03a93dbb | 1408 | base->height -= 1; |
6b161b31 JF |
1409 | |
1410 | if (view != base) { | |
03a93dbb JF |
1411 | /* Horizontal split. */ |
1412 | view->width = base->width; | |
6b161b31 JF |
1413 | view->height = SCALE_SPLIT_VIEW(base->height); |
1414 | base->height -= view->height; | |
1415 | ||
1416 | /* Make room for the title bar. */ | |
1417 | view->height -= 1; | |
1418 | } | |
1419 | ||
1420 | /* Make room for the title bar. */ | |
1421 | base->height -= 1; | |
1422 | ||
1423 | offset = 0; | |
1424 | ||
33c4f9ea | 1425 | foreach_displayed_view (view, i) { |
b76c2afc | 1426 | if (!view->win) { |
c19f8017 | 1427 | view->win = newwin(view->height, 0, offset, 0); |
6b161b31 JF |
1428 | if (!view->win) |
1429 | die("Failed to create %s view", view->name); | |
1430 | ||
1431 | scrollok(view->win, TRUE); | |
1432 | ||
1433 | view->title = newwin(1, 0, offset + view->height, 0); | |
1434 | if (!view->title) | |
1435 | die("Failed to create title window"); | |
1436 | ||
1437 | } else { | |
c19f8017 | 1438 | wresize(view->win, view->height, view->width); |
6b161b31 JF |
1439 | mvwin(view->win, offset, 0); |
1440 | mvwin(view->title, offset + view->height, 0); | |
a28bcc22 | 1441 | } |
a28bcc22 | 1442 | |
6b161b31 | 1443 | offset += view->height + 1; |
b76c2afc | 1444 | } |
6b161b31 | 1445 | } |
b76c2afc | 1446 | |
6b161b31 | 1447 | static void |
20bb5e18 JF |
1448 | redraw_display(void) |
1449 | { | |
1450 | struct view *view; | |
1451 | int i; | |
1452 | ||
33c4f9ea | 1453 | foreach_displayed_view (view, i) { |
20bb5e18 JF |
1454 | redraw_view(view); |
1455 | update_view_title(view); | |
1456 | } | |
1457 | } | |
1458 | ||
85af6284 | 1459 | static void |
2bee3bde | 1460 | update_display_cursor(struct view *view) |
85af6284 | 1461 | { |
85af6284 JF |
1462 | /* Move the cursor to the right-most column of the cursor line. |
1463 | * | |
1464 | * XXX: This could turn out to be a bit expensive, but it ensures that | |
1465 | * the cursor does not jump around. */ | |
1466 | if (view->lines) { | |
1467 | wmove(view->win, view->lineno - view->offset, view->width - 1); | |
1468 | wrefresh(view->win); | |
1469 | } | |
1470 | } | |
20bb5e18 | 1471 | |
2e8488b4 JF |
1472 | /* |
1473 | * Navigation | |
1474 | */ | |
1475 | ||
4a2909a7 | 1476 | /* Scrolling backend */ |
b801d8b2 | 1477 | static void |
8c317212 | 1478 | do_scroll_view(struct view *view, int lines) |
b801d8b2 | 1479 | { |
a0087dd5 JF |
1480 | bool redraw_current_line = FALSE; |
1481 | ||
fd85fef1 JF |
1482 | /* The rendering expects the new offset. */ |
1483 | view->offset += lines; | |
1484 | ||
1485 | assert(0 <= view->offset && view->offset < view->lines); | |
1486 | assert(lines); | |
b801d8b2 | 1487 | |
a0087dd5 JF |
1488 | /* Move current line into the view. */ |
1489 | if (view->lineno < view->offset) { | |
1490 | view->lineno = view->offset; | |
1491 | redraw_current_line = TRUE; | |
1492 | } else if (view->lineno >= view->offset + view->height) { | |
1493 | view->lineno = view->offset + view->height - 1; | |
1494 | redraw_current_line = TRUE; | |
1495 | } | |
1496 | ||
1497 | assert(view->offset <= view->lineno && view->lineno < view->lines); | |
1498 | ||
82e78006 | 1499 | /* Redraw the whole screen if scrolling is pointless. */ |
4c6fabc2 | 1500 | if (view->height < ABS(lines)) { |
b76c2afc JF |
1501 | redraw_view(view); |
1502 | ||
1503 | } else { | |
22f66b0a | 1504 | int line = lines > 0 ? view->height - lines : 0; |
82e78006 | 1505 | int end = line + ABS(lines); |
fd85fef1 JF |
1506 | |
1507 | wscrl(view->win, lines); | |
1508 | ||
22f66b0a | 1509 | for (; line < end; line++) { |
fe7233c3 | 1510 | if (!draw_view_line(view, line)) |
fd85fef1 JF |
1511 | break; |
1512 | } | |
fd85fef1 | 1513 | |
a0087dd5 JF |
1514 | if (redraw_current_line) |
1515 | draw_view_line(view, view->lineno - view->offset); | |
fd85fef1 JF |
1516 | } |
1517 | ||
fd85fef1 JF |
1518 | redrawwin(view->win); |
1519 | wrefresh(view->win); | |
9d3f5834 | 1520 | report(""); |
fd85fef1 | 1521 | } |
78c70acd | 1522 | |
4a2909a7 | 1523 | /* Scroll frontend */ |
fd85fef1 | 1524 | static void |
6b161b31 | 1525 | scroll_view(struct view *view, enum request request) |
fd85fef1 JF |
1526 | { |
1527 | int lines = 1; | |
b801d8b2 | 1528 | |
8c317212 JF |
1529 | assert(view_is_displayed(view)); |
1530 | ||
b801d8b2 | 1531 | switch (request) { |
4a2909a7 | 1532 | case REQ_SCROLL_PAGE_DOWN: |
fd85fef1 | 1533 | lines = view->height; |
4a2909a7 | 1534 | case REQ_SCROLL_LINE_DOWN: |
b801d8b2 | 1535 | if (view->offset + lines > view->lines) |
bde3653a | 1536 | lines = view->lines - view->offset; |
b801d8b2 | 1537 | |
fd85fef1 | 1538 | if (lines == 0 || view->offset + view->height >= view->lines) { |
eb98559e | 1539 | report("Cannot scroll beyond the last line"); |
b801d8b2 JF |
1540 | return; |
1541 | } | |
1542 | break; | |
1543 | ||
4a2909a7 | 1544 | case REQ_SCROLL_PAGE_UP: |
fd85fef1 | 1545 | lines = view->height; |
4a2909a7 | 1546 | case REQ_SCROLL_LINE_UP: |
b801d8b2 JF |
1547 | if (lines > view->offset) |
1548 | lines = view->offset; | |
1549 | ||
1550 | if (lines == 0) { | |
eb98559e | 1551 | report("Cannot scroll beyond the first line"); |
b801d8b2 JF |
1552 | return; |
1553 | } | |
1554 | ||
fd85fef1 | 1555 | lines = -lines; |
b801d8b2 | 1556 | break; |
03a93dbb | 1557 | |
6b161b31 JF |
1558 | default: |
1559 | die("request %d not handled in switch", request); | |
b801d8b2 JF |
1560 | } |
1561 | ||
8c317212 | 1562 | do_scroll_view(view, lines); |
fd85fef1 | 1563 | } |
b801d8b2 | 1564 | |
4a2909a7 | 1565 | /* Cursor moving */ |
fd85fef1 | 1566 | static void |
8522ecc7 | 1567 | move_view(struct view *view, enum request request) |
fd85fef1 | 1568 | { |
dfaa6c81 | 1569 | int scroll_steps = 0; |
fd85fef1 | 1570 | int steps; |
b801d8b2 | 1571 | |
fd85fef1 | 1572 | switch (request) { |
4a2909a7 | 1573 | case REQ_MOVE_FIRST_LINE: |
78c70acd JF |
1574 | steps = -view->lineno; |
1575 | break; | |
1576 | ||
4a2909a7 | 1577 | case REQ_MOVE_LAST_LINE: |
78c70acd JF |
1578 | steps = view->lines - view->lineno - 1; |
1579 | break; | |
1580 | ||
4a2909a7 | 1581 | case REQ_MOVE_PAGE_UP: |
78c70acd JF |
1582 | steps = view->height > view->lineno |
1583 | ? -view->lineno : -view->height; | |
1584 | break; | |
1585 | ||
4a2909a7 | 1586 | case REQ_MOVE_PAGE_DOWN: |
78c70acd JF |
1587 | steps = view->lineno + view->height >= view->lines |
1588 | ? view->lines - view->lineno - 1 : view->height; | |
1589 | break; | |
1590 | ||
4a2909a7 | 1591 | case REQ_MOVE_UP: |
fd85fef1 JF |
1592 | steps = -1; |
1593 | break; | |
b801d8b2 | 1594 | |
4a2909a7 | 1595 | case REQ_MOVE_DOWN: |
fd85fef1 JF |
1596 | steps = 1; |
1597 | break; | |
6b161b31 JF |
1598 | |
1599 | default: | |
1600 | die("request %d not handled in switch", request); | |
78c70acd | 1601 | } |
b801d8b2 | 1602 | |
4c6fabc2 | 1603 | if (steps <= 0 && view->lineno == 0) { |
eb98559e | 1604 | report("Cannot move beyond the first line"); |
78c70acd | 1605 | return; |
b801d8b2 | 1606 | |
6908bdbd | 1607 | } else if (steps >= 0 && view->lineno + 1 >= view->lines) { |
eb98559e | 1608 | report("Cannot move beyond the last line"); |
78c70acd | 1609 | return; |
fd85fef1 JF |
1610 | } |
1611 | ||
4c6fabc2 | 1612 | /* Move the current line */ |
fd85fef1 | 1613 | view->lineno += steps; |
4c6fabc2 JF |
1614 | assert(0 <= view->lineno && view->lineno < view->lines); |
1615 | ||
4c6fabc2 | 1616 | /* Check whether the view needs to be scrolled */ |
fd85fef1 JF |
1617 | if (view->lineno < view->offset || |
1618 | view->lineno >= view->offset + view->height) { | |
dfaa6c81 | 1619 | scroll_steps = steps; |
fd85fef1 | 1620 | if (steps < 0 && -steps > view->offset) { |
dfaa6c81 | 1621 | scroll_steps = -view->offset; |
b76c2afc JF |
1622 | |
1623 | } else if (steps > 0) { | |
1624 | if (view->lineno == view->lines - 1 && | |
1625 | view->lines > view->height) { | |
dfaa6c81 JF |
1626 | scroll_steps = view->lines - view->offset - 1; |
1627 | if (scroll_steps >= view->height) | |
1628 | scroll_steps -= view->height - 1; | |
b76c2afc | 1629 | } |
b801d8b2 | 1630 | } |
8522ecc7 JF |
1631 | } |
1632 | ||
1633 | if (!view_is_displayed(view)) { | |
a3965365 JF |
1634 | view->offset += scroll_steps; |
1635 | assert(0 <= view->offset && view->offset < view->lines); | |
8522ecc7 JF |
1636 | view->ops->select(view, &view->line[view->lineno]); |
1637 | return; | |
1638 | } | |
1639 | ||
1640 | /* Repaint the old "current" line if we be scrolling */ | |
1641 | if (ABS(steps) < view->height) | |
1642 | draw_view_line(view, view->lineno - steps - view->offset); | |
1643 | ||
dfaa6c81 JF |
1644 | if (scroll_steps) { |
1645 | do_scroll_view(view, scroll_steps); | |
fd85fef1 | 1646 | return; |
b801d8b2 JF |
1647 | } |
1648 | ||
4c6fabc2 | 1649 | /* Draw the current line */ |
fe7233c3 | 1650 | draw_view_line(view, view->lineno - view->offset); |
fd85fef1 | 1651 | |
b801d8b2 JF |
1652 | redrawwin(view->win); |
1653 | wrefresh(view->win); | |
9d3f5834 | 1654 | report(""); |
b801d8b2 JF |
1655 | } |
1656 | ||
b801d8b2 | 1657 | |
2e8488b4 | 1658 | /* |
4af34daa JF |
1659 | * Searching |
1660 | */ | |
1661 | ||
c02d8fce | 1662 | static void search_view(struct view *view, enum request request); |
4af34daa JF |
1663 | |
1664 | static bool | |
1665 | find_next_line(struct view *view, unsigned long lineno, struct line *line) | |
1666 | { | |
699ae55b JF |
1667 | assert(view_is_displayed(view)); |
1668 | ||
4af34daa JF |
1669 | if (!view->ops->grep(view, line)) |
1670 | return FALSE; | |
1671 | ||
1672 | if (lineno - view->offset >= view->height) { | |
1673 | view->offset = lineno; | |
1674 | view->lineno = lineno; | |
1675 | redraw_view(view); | |
1676 | ||
1677 | } else { | |
1678 | unsigned long old_lineno = view->lineno - view->offset; | |
1679 | ||
1680 | view->lineno = lineno; | |
4af34daa JF |
1681 | draw_view_line(view, old_lineno); |
1682 | ||
1683 | draw_view_line(view, view->lineno - view->offset); | |
1684 | redrawwin(view->win); | |
1685 | wrefresh(view->win); | |
1686 | } | |
1687 | ||
1688 | report("Line %ld matches '%s'", lineno + 1, view->grep); | |
1689 | return TRUE; | |
1690 | } | |
1691 | ||
1692 | static void | |
1693 | find_next(struct view *view, enum request request) | |
1694 | { | |
1695 | unsigned long lineno = view->lineno; | |
1696 | int direction; | |
1697 | ||
1698 | if (!*view->grep) { | |
1699 | if (!*opt_search) | |
1700 | report("No previous search"); | |
1701 | else | |
c02d8fce | 1702 | search_view(view, request); |
4af34daa JF |
1703 | return; |
1704 | } | |
1705 | ||
1706 | switch (request) { | |
1707 | case REQ_SEARCH: | |
1708 | case REQ_FIND_NEXT: | |
1709 | direction = 1; | |
1710 | break; | |
1711 | ||
1712 | case REQ_SEARCH_BACK: | |
1713 | case REQ_FIND_PREV: | |
1714 | direction = -1; | |
1715 | break; | |
1716 | ||
1717 | default: | |
1718 | return; | |
1719 | } | |
1720 | ||
1721 | if (request == REQ_FIND_NEXT || request == REQ_FIND_PREV) | |
1722 | lineno += direction; | |
1723 | ||
1724 | /* Note, lineno is unsigned long so will wrap around in which case it | |
1725 | * will become bigger than view->lines. */ | |
1726 | for (; lineno < view->lines; lineno += direction) { | |
1727 | struct line *line = &view->line[lineno]; | |
1728 | ||
1729 | if (find_next_line(view, lineno, line)) | |
1730 | return; | |
1731 | } | |
1732 | ||
1733 | report("No match found for '%s'", view->grep); | |
1734 | } | |
1735 | ||
1736 | static void | |
c02d8fce | 1737 | search_view(struct view *view, enum request request) |
4af34daa JF |
1738 | { |
1739 | int regex_err; | |
1740 | ||
b77b2cb8 JF |
1741 | if (view->regex) { |
1742 | regfree(view->regex); | |
4af34daa | 1743 | *view->grep = 0; |
b77b2cb8 JF |
1744 | } else { |
1745 | view->regex = calloc(1, sizeof(*view->regex)); | |
1746 | if (!view->regex) | |
1747 | return; | |
4af34daa JF |
1748 | } |
1749 | ||
c02d8fce | 1750 | regex_err = regcomp(view->regex, opt_search, REG_EXTENDED); |
4af34daa JF |
1751 | if (regex_err != 0) { |
1752 | char buf[SIZEOF_STR] = "unknown error"; | |
1753 | ||
b77b2cb8 | 1754 | regerror(regex_err, view->regex, buf, sizeof(buf)); |
e9cacd58 | 1755 | report("Search failed: %s", buf); |
4af34daa JF |
1756 | return; |
1757 | } | |
1758 | ||
c02d8fce | 1759 | string_copy(view->grep, opt_search); |
4af34daa JF |
1760 | |
1761 | find_next(view, request); | |
1762 | } | |
1763 | ||
1764 | /* | |
2e8488b4 JF |
1765 | * Incremental updating |
1766 | */ | |
b801d8b2 | 1767 | |
199d1288 JF |
1768 | static void |
1769 | end_update(struct view *view) | |
1770 | { | |
1771 | if (!view->pipe) | |
1772 | return; | |
1773 | set_nonblocking_input(FALSE); | |
1774 | if (view->pipe == stdin) | |
1775 | fclose(view->pipe); | |
1776 | else | |
1777 | pclose(view->pipe); | |
1778 | view->pipe = NULL; | |
1779 | } | |
1780 | ||
03a93dbb | 1781 | static bool |
b801d8b2 JF |
1782 | begin_update(struct view *view) |
1783 | { | |
4685845e | 1784 | const char *id = view->id; |
fd85fef1 | 1785 | |
199d1288 JF |
1786 | if (view->pipe) |
1787 | end_update(view); | |
1788 | ||
03a93dbb JF |
1789 | if (opt_cmd[0]) { |
1790 | string_copy(view->cmd, opt_cmd); | |
1791 | opt_cmd[0] = 0; | |
035ba11f JF |
1792 | /* When running random commands, initially show the |
1793 | * command in the title. However, it maybe later be | |
1794 | * overwritten if a commit line is selected. */ | |
1795 | string_copy(view->ref, view->cmd); | |
e733ee54 JF |
1796 | |
1797 | } else if (view == VIEW(REQ_VIEW_TREE)) { | |
1798 | const char *format = view->cmd_env ? view->cmd_env : view->cmd_fmt; | |
f0f114ac | 1799 | char path[SIZEOF_STR]; |
e733ee54 JF |
1800 | |
1801 | if (strcmp(view->vid, view->id)) | |
f0f114ac JF |
1802 | opt_path[0] = path[0] = 0; |
1803 | else if (sq_quote(path, 0, opt_path) >= sizeof(path)) | |
1804 | return FALSE; | |
e733ee54 | 1805 | |
f0f114ac | 1806 | if (!string_format(view->cmd, format, id, path)) |
e733ee54 JF |
1807 | return FALSE; |
1808 | ||
03a93dbb | 1809 | } else { |
4685845e | 1810 | const char *format = view->cmd_env ? view->cmd_env : view->cmd_fmt; |
1ba2ae4b | 1811 | |
cc2d1364 | 1812 | if (!string_format(view->cmd, format, id, id, id, id, id)) |
03a93dbb | 1813 | return FALSE; |
035ba11f JF |
1814 | |
1815 | /* Put the current ref_* value to the view title ref | |
1816 | * member. This is needed by the blob view. Most other | |
1817 | * views sets it automatically after loading because the | |
1818 | * first line is a commit line. */ | |
1819 | string_copy(view->ref, id); | |
03a93dbb | 1820 | } |
b801d8b2 | 1821 | |
6908bdbd JF |
1822 | /* Special case for the pager view. */ |
1823 | if (opt_pipe) { | |
1824 | view->pipe = opt_pipe; | |
1825 | opt_pipe = NULL; | |
1826 | } else { | |
1827 | view->pipe = popen(view->cmd, "r"); | |
1828 | } | |
1829 | ||
2e8488b4 JF |
1830 | if (!view->pipe) |
1831 | return FALSE; | |
b801d8b2 | 1832 | |
6b161b31 | 1833 | set_nonblocking_input(TRUE); |
b801d8b2 JF |
1834 | |
1835 | view->offset = 0; | |
1836 | view->lines = 0; | |
1837 | view->lineno = 0; | |
2463b4ea | 1838 | string_copy_rev(view->vid, id); |
b801d8b2 | 1839 | |
2e8488b4 JF |
1840 | if (view->line) { |
1841 | int i; | |
1842 | ||
1843 | for (i = 0; i < view->lines; i++) | |
fe7233c3 JF |
1844 | if (view->line[i].data) |
1845 | free(view->line[i].data); | |
2e8488b4 JF |
1846 | |
1847 | free(view->line); | |
1848 | view->line = NULL; | |
1849 | } | |
1850 | ||
1851 | view->start_time = time(NULL); | |
1852 | ||
b801d8b2 JF |
1853 | return TRUE; |
1854 | } | |
1855 | ||
e2c01617 JF |
1856 | static struct line * |
1857 | realloc_lines(struct view *view, size_t line_size) | |
1858 | { | |
1859 | struct line *tmp = realloc(view->line, sizeof(*view->line) * line_size); | |
1860 | ||
1861 | if (!tmp) | |
1862 | return NULL; | |
1863 | ||
1864 | view->line = tmp; | |
1865 | view->line_size = line_size; | |
1866 | return view->line; | |
1867 | } | |
1868 | ||
03a93dbb | 1869 | static bool |
b801d8b2 JF |
1870 | update_view(struct view *view) |
1871 | { | |
6b68fd24 JF |
1872 | char in_buffer[BUFSIZ]; |
1873 | char out_buffer[BUFSIZ * 2]; | |
b801d8b2 | 1874 | char *line; |
82e78006 JF |
1875 | /* The number of lines to read. If too low it will cause too much |
1876 | * redrawing (and possible flickering), if too high responsiveness | |
1877 | * will suffer. */ | |
8855ada4 | 1878 | unsigned long lines = view->height; |
82e78006 | 1879 | int redraw_from = -1; |
b801d8b2 JF |
1880 | |
1881 | if (!view->pipe) | |
1882 | return TRUE; | |
1883 | ||
82e78006 JF |
1884 | /* Only redraw if lines are visible. */ |
1885 | if (view->offset + view->height >= view->lines) | |
1886 | redraw_from = view->lines - view->offset; | |
b801d8b2 | 1887 | |
699ae55b | 1888 | /* FIXME: This is probably not perfect for backgrounded views. */ |
e2c01617 | 1889 | if (!realloc_lines(view, view->lines + lines)) |
b801d8b2 JF |
1890 | goto alloc_error; |
1891 | ||
6b68fd24 JF |
1892 | while ((line = fgets(in_buffer, sizeof(in_buffer), view->pipe))) { |
1893 | size_t linelen = strlen(line); | |
b801d8b2 | 1894 | |
b801d8b2 JF |
1895 | if (linelen) |
1896 | line[linelen - 1] = 0; | |
1897 | ||
6b68fd24 JF |
1898 | if (opt_iconv != ICONV_NONE) { |
1899 | char *inbuf = line; | |
1900 | size_t inlen = linelen; | |
1901 | ||
1902 | char *outbuf = out_buffer; | |
1903 | size_t outlen = sizeof(out_buffer); | |
1904 | ||
1905 | size_t ret; | |
1906 | ||
7361622d | 1907 | ret = iconv(opt_iconv, &inbuf, &inlen, &outbuf, &outlen); |
6b68fd24 JF |
1908 | if (ret != (size_t) -1) { |
1909 | line = out_buffer; | |
1910 | linelen = strlen(out_buffer); | |
1911 | } | |
1912 | } | |
1913 | ||
701e4f5d | 1914 | if (!view->ops->read(view, line)) |
b801d8b2 | 1915 | goto alloc_error; |
fd85fef1 JF |
1916 | |
1917 | if (lines-- == 1) | |
1918 | break; | |
b801d8b2 JF |
1919 | } |
1920 | ||
8855ada4 JF |
1921 | { |
1922 | int digits; | |
1923 | ||
1924 | lines = view->lines; | |
1925 | for (digits = 0; lines; digits++) | |
1926 | lines /= 10; | |
1927 | ||
1928 | /* Keep the displayed view in sync with line number scaling. */ | |
1929 | if (digits != view->digits) { | |
1930 | view->digits = digits; | |
1931 | redraw_from = 0; | |
1932 | } | |
1933 | } | |
1934 | ||
699ae55b JF |
1935 | if (!view_is_displayed(view)) |
1936 | goto check_pipe; | |
1937 | ||
e733ee54 JF |
1938 | if (view == VIEW(REQ_VIEW_TREE)) { |
1939 | /* Clear the view and redraw everything since the tree sorting | |
1940 | * might have rearranged things. */ | |
1941 | redraw_view(view); | |
1942 | ||
1943 | } else if (redraw_from >= 0) { | |
82e78006 | 1944 | /* If this is an incremental update, redraw the previous line |
a28bcc22 JF |
1945 | * since for commits some members could have changed when |
1946 | * loading the main view. */ | |
82e78006 JF |
1947 | if (redraw_from > 0) |
1948 | redraw_from--; | |
1949 | ||
9eded379 JF |
1950 | /* Since revision graph visualization requires knowledge |
1951 | * about the parent commit, it causes a further one-off | |
1952 | * needed to be redrawn for incremental updates. */ | |
1953 | if (redraw_from > 0 && opt_rev_graph) | |
1954 | redraw_from--; | |
1955 | ||
82e78006 JF |
1956 | /* Incrementally draw avoids flickering. */ |
1957 | redraw_view_from(view, redraw_from); | |
4c6fabc2 | 1958 | } |
b801d8b2 | 1959 | |
eb98559e JF |
1960 | /* Update the title _after_ the redraw so that if the redraw picks up a |
1961 | * commit reference in view->ref it'll be available here. */ | |
1962 | update_view_title(view); | |
1963 | ||
699ae55b | 1964 | check_pipe: |
b801d8b2 | 1965 | if (ferror(view->pipe)) { |
03a93dbb | 1966 | report("Failed to read: %s", strerror(errno)); |
b801d8b2 JF |
1967 | goto end; |
1968 | ||
1969 | } else if (feof(view->pipe)) { | |
f97f4012 | 1970 | report(""); |
b801d8b2 JF |
1971 | goto end; |
1972 | } | |
1973 | ||
1974 | return TRUE; | |
1975 | ||
1976 | alloc_error: | |
2e8488b4 | 1977 | report("Allocation failure"); |
b801d8b2 JF |
1978 | |
1979 | end: | |
be04d936 | 1980 | view->ops->read(view, NULL); |
b801d8b2 JF |
1981 | end_update(view); |
1982 | return FALSE; | |
1983 | } | |
1984 | ||
0a0d8910 | 1985 | static struct line * |
e314c36d | 1986 | add_line_data(struct view *view, void *data, enum line_type type) |
0a0d8910 | 1987 | { |
e314c36d | 1988 | struct line *line = &view->line[view->lines++]; |
0a0d8910 | 1989 | |
e314c36d | 1990 | memset(line, 0, sizeof(*line)); |
0a0d8910 | 1991 | line->type = type; |
e314c36d | 1992 | line->data = data; |
0a0d8910 JF |
1993 | |
1994 | return line; | |
1995 | } | |
1996 | ||
e314c36d JF |
1997 | static struct line * |
1998 | add_line_text(struct view *view, char *data, enum line_type type) | |
1999 | { | |
2000 | if (data) | |
2001 | data = strdup(data); | |
2002 | ||
2003 | return data ? add_line_data(view, data, type) : NULL; | |
2004 | } | |
2005 | ||
79d445ca | 2006 | |
e10154d5 JF |
2007 | /* |
2008 | * View opening | |
2009 | */ | |
2010 | ||
49f2b43f JF |
2011 | enum open_flags { |
2012 | OPEN_DEFAULT = 0, /* Use default view switching. */ | |
2013 | OPEN_SPLIT = 1, /* Split current view. */ | |
2014 | OPEN_BACKGROUNDED = 2, /* Backgrounded. */ | |
2015 | OPEN_RELOAD = 4, /* Reload view even if it is the current. */ | |
2016 | }; | |
2017 | ||
6b161b31 | 2018 | static void |
49f2b43f | 2019 | open_view(struct view *prev, enum request request, enum open_flags flags) |
b801d8b2 | 2020 | { |
49f2b43f JF |
2021 | bool backgrounded = !!(flags & OPEN_BACKGROUNDED); |
2022 | bool split = !!(flags & OPEN_SPLIT); | |
2023 | bool reload = !!(flags & OPEN_RELOAD); | |
a28bcc22 | 2024 | struct view *view = VIEW(request); |
9f41488f | 2025 | int nviews = displayed_views(); |
6e950a52 | 2026 | struct view *base_view = display[0]; |
b801d8b2 | 2027 | |
49f2b43f | 2028 | if (view == prev && nviews == 1 && !reload) { |
6b161b31 JF |
2029 | report("Already in %s view", view->name); |
2030 | return; | |
2031 | } | |
b801d8b2 | 2032 | |
f098944b JF |
2033 | if (view->ops->open) { |
2034 | if (!view->ops->open(view)) { | |
2035 | report("Failed to load %s view", view->name); | |
2036 | return; | |
2037 | } | |
2509b112 JF |
2038 | |
2039 | } else if ((reload || strcmp(view->vid, view->id)) && | |
2040 | !begin_update(view)) { | |
6b161b31 JF |
2041 | report("Failed to load %s view", view->name); |
2042 | return; | |
2043 | } | |
a28bcc22 | 2044 | |
6b161b31 | 2045 | if (split) { |
8d741c06 | 2046 | display[1] = view; |
6b161b31 | 2047 | if (!backgrounded) |
8d741c06 | 2048 | current_view = 1; |
6b161b31 JF |
2049 | } else { |
2050 | /* Maximize the current view. */ | |
2051 | memset(display, 0, sizeof(display)); | |
2052 | current_view = 0; | |
2053 | display[current_view] = view; | |
a28bcc22 | 2054 | } |
b801d8b2 | 2055 | |
6e950a52 JF |
2056 | /* Resize the view when switching between split- and full-screen, |
2057 | * or when switching between two different full-screen views. */ | |
2058 | if (nviews != displayed_views() || | |
2059 | (nviews == 1 && base_view != display[0])) | |
a006db63 | 2060 | resize_display(); |
b801d8b2 | 2061 | |
a8891802 | 2062 | if (split && prev->lineno - prev->offset >= prev->height) { |
03a93dbb | 2063 | /* Take the title line into account. */ |
eb98559e | 2064 | int lines = prev->lineno - prev->offset - prev->height + 1; |
03a93dbb JF |
2065 | |
2066 | /* Scroll the view that was split if the current line is | |
2067 | * outside the new limited view. */ | |
8c317212 | 2068 | do_scroll_view(prev, lines); |
03a93dbb JF |
2069 | } |
2070 | ||
6b161b31 | 2071 | if (prev && view != prev) { |
9b995f0c | 2072 | if (split && !backgrounded) { |
f0b3ab80 JF |
2073 | /* "Blur" the previous view. */ |
2074 | update_view_title(prev); | |
9f396969 | 2075 | } |
f0b3ab80 | 2076 | |
f6da0b66 | 2077 | view->parent = prev; |
b801d8b2 JF |
2078 | } |
2079 | ||
9f396969 | 2080 | if (view->pipe && view->lines == 0) { |
03a93dbb JF |
2081 | /* Clear the old view and let the incremental updating refill |
2082 | * the screen. */ | |
2083 | wclear(view->win); | |
f97f4012 | 2084 | report(""); |
03a93dbb JF |
2085 | } else { |
2086 | redraw_view(view); | |
24b5b3e0 | 2087 | report(""); |
03a93dbb | 2088 | } |
6706b2ba JF |
2089 | |
2090 | /* If the view is backgrounded the above calls to report() | |
2091 | * won't redraw the view title. */ | |
2092 | if (backgrounded) | |
2093 | update_view_title(view); | |
b801d8b2 JF |
2094 | } |
2095 | ||
2096 | ||
6b161b31 JF |
2097 | /* |
2098 | * User request switch noodle | |
2099 | */ | |
2100 | ||
b801d8b2 | 2101 | static int |
6b161b31 | 2102 | view_driver(struct view *view, enum request request) |
b801d8b2 | 2103 | { |
b801d8b2 JF |
2104 | int i; |
2105 | ||
2106 | switch (request) { | |
4a2909a7 JF |
2107 | case REQ_MOVE_UP: |
2108 | case REQ_MOVE_DOWN: | |
2109 | case REQ_MOVE_PAGE_UP: | |
2110 | case REQ_MOVE_PAGE_DOWN: | |
2111 | case REQ_MOVE_FIRST_LINE: | |
2112 | case REQ_MOVE_LAST_LINE: | |
8522ecc7 | 2113 | move_view(view, request); |
fd85fef1 JF |
2114 | break; |
2115 | ||
4a2909a7 JF |
2116 | case REQ_SCROLL_LINE_DOWN: |
2117 | case REQ_SCROLL_LINE_UP: | |
2118 | case REQ_SCROLL_PAGE_DOWN: | |
2119 | case REQ_SCROLL_PAGE_UP: | |
a28bcc22 | 2120 | scroll_view(view, request); |
b801d8b2 JF |
2121 | break; |
2122 | ||
e733ee54 JF |
2123 | case REQ_VIEW_BLOB: |
2124 | if (!ref_blob[0]) { | |
550cd4b5 JF |
2125 | report("No file chosen, press %s to open tree view", |
2126 | get_key(REQ_VIEW_TREE)); | |
e733ee54 JF |
2127 | break; |
2128 | } | |
5c4358d1 JF |
2129 | open_view(view, request, OPEN_DEFAULT); |
2130 | break; | |
2131 | ||
2132 | case REQ_VIEW_PAGER: | |
2133 | if (!VIEW(REQ_VIEW_PAGER)->lines) { | |
2134 | report("No pager content, press %s to run command from prompt", | |
2135 | get_key(REQ_PROMPT)); | |
2136 | break; | |
2137 | } | |
2138 | open_view(view, request, OPEN_DEFAULT); | |
2139 | break; | |
2140 | ||
4a2909a7 | 2141 | case REQ_VIEW_MAIN: |
4a2909a7 | 2142 | case REQ_VIEW_DIFF: |
2e8488b4 | 2143 | case REQ_VIEW_LOG: |
e733ee54 | 2144 | case REQ_VIEW_TREE: |
2e8488b4 | 2145 | case REQ_VIEW_HELP: |
49f2b43f | 2146 | open_view(view, request, OPEN_DEFAULT); |
b801d8b2 JF |
2147 | break; |
2148 | ||
b3a54cba JF |
2149 | case REQ_NEXT: |
2150 | case REQ_PREVIOUS: | |
2151 | request = request == REQ_NEXT ? REQ_MOVE_DOWN : REQ_MOVE_UP; | |
2152 | ||
e733ee54 JF |
2153 | if ((view == VIEW(REQ_VIEW_DIFF) && |
2154 | view->parent == VIEW(REQ_VIEW_MAIN)) || | |
2155 | (view == VIEW(REQ_VIEW_BLOB) && | |
2156 | view->parent == VIEW(REQ_VIEW_TREE))) { | |
b3a54cba | 2157 | view = view->parent; |
8522ecc7 JF |
2158 | move_view(view, request); |
2159 | if (view_is_displayed(view)) | |
f0b3ab80 | 2160 | update_view_title(view); |
b3a54cba | 2161 | } else { |
8522ecc7 | 2162 | move_view(view, request); |
b3a54cba JF |
2163 | break; |
2164 | } | |
6706b2ba JF |
2165 | /* Fall-through */ |
2166 | ||
6b161b31 | 2167 | case REQ_ENTER: |
6908bdbd JF |
2168 | if (!view->lines) { |
2169 | report("Nothing to enter"); | |
2170 | break; | |
2171 | } | |
fe7233c3 | 2172 | return view->ops->enter(view, &view->line[view->lineno]); |
6b161b31 | 2173 | |
03a93dbb JF |
2174 | case REQ_VIEW_NEXT: |
2175 | { | |
9f41488f | 2176 | int nviews = displayed_views(); |
03a93dbb JF |
2177 | int next_view = (current_view + 1) % nviews; |
2178 | ||
2179 | if (next_view == current_view) { | |
2180 | report("Only one view is displayed"); | |
2181 | break; | |
2182 | } | |
2183 | ||
2184 | current_view = next_view; | |
2185 | /* Blur out the title of the previous view. */ | |
2186 | update_view_title(view); | |
6734f6b9 | 2187 | report(""); |
03a93dbb JF |
2188 | break; |
2189 | } | |
24b5b3e0 | 2190 | case REQ_TOGGLE_LINENO: |
b76c2afc | 2191 | opt_line_number = !opt_line_number; |
20bb5e18 | 2192 | redraw_display(); |
b801d8b2 JF |
2193 | break; |
2194 | ||
54efb62b JF |
2195 | case REQ_TOGGLE_REV_GRAPH: |
2196 | opt_rev_graph = !opt_rev_graph; | |
2197 | redraw_display(); | |
2198 | break; | |
2199 | ||
03a93dbb | 2200 | case REQ_PROMPT: |
8855ada4 | 2201 | /* Always reload^Wrerun commands from the prompt. */ |
49f2b43f | 2202 | open_view(view, opt_request, OPEN_RELOAD); |
03a93dbb JF |
2203 | break; |
2204 | ||
4af34daa JF |
2205 | case REQ_SEARCH: |
2206 | case REQ_SEARCH_BACK: | |
c02d8fce | 2207 | search_view(view, request); |
4af34daa JF |
2208 | break; |
2209 | ||
2210 | case REQ_FIND_NEXT: | |
2211 | case REQ_FIND_PREV: | |
2212 | find_next(view, request); | |
2213 | break; | |
2214 | ||
4a2909a7 | 2215 | case REQ_STOP_LOADING: |
59a45d3a JF |
2216 | for (i = 0; i < ARRAY_SIZE(views); i++) { |
2217 | view = &views[i]; | |
2e8488b4 | 2218 | if (view->pipe) |
6a7bb912 | 2219 | report("Stopped loading the %s view", view->name), |
03a93dbb JF |
2220 | end_update(view); |
2221 | } | |
b801d8b2 JF |
2222 | break; |
2223 | ||
4a2909a7 | 2224 | case REQ_SHOW_VERSION: |
6cb291b7 | 2225 | report("%s (built %s)", VERSION, __DATE__); |
b801d8b2 JF |
2226 | return TRUE; |
2227 | ||
fac7db6c JF |
2228 | case REQ_SCREEN_RESIZE: |
2229 | resize_display(); | |
2230 | /* Fall-through */ | |
4a2909a7 | 2231 | case REQ_SCREEN_REDRAW: |
20bb5e18 | 2232 | redraw_display(); |
4a2909a7 JF |
2233 | break; |
2234 | ||
1d754561 | 2235 | case REQ_NONE: |
b801d8b2 JF |
2236 | doupdate(); |
2237 | return TRUE; | |
2238 | ||
4f9b667a | 2239 | case REQ_VIEW_CLOSE: |
2fcf5401 JF |
2240 | /* XXX: Mark closed views by letting view->parent point to the |
2241 | * view itself. Parents to closed view should never be | |
2242 | * followed. */ | |
2243 | if (view->parent && | |
2244 | view->parent->parent != view->parent) { | |
4f9b667a JF |
2245 | memset(display, 0, sizeof(display)); |
2246 | current_view = 0; | |
f6da0b66 | 2247 | display[current_view] = view->parent; |
2fcf5401 | 2248 | view->parent = view; |
4f9b667a JF |
2249 | resize_display(); |
2250 | redraw_display(); | |
2251 | break; | |
2252 | } | |
2253 | /* Fall-through */ | |
b801d8b2 JF |
2254 | case REQ_QUIT: |
2255 | return FALSE; | |
2256 | ||
2257 | default: | |
2e8488b4 | 2258 | /* An unknown key will show most commonly used commands. */ |
468876c9 | 2259 | report("Unknown key, press 'h' for help"); |
b801d8b2 JF |
2260 | return TRUE; |
2261 | } | |
2262 | ||
2263 | return TRUE; | |
2264 | } | |
2265 | ||
2266 | ||
2267 | /* | |
ff26aa29 | 2268 | * Pager backend |
b801d8b2 JF |
2269 | */ |
2270 | ||
6b161b31 | 2271 | static bool |
5dcf8064 | 2272 | pager_draw(struct view *view, struct line *line, unsigned int lineno, bool selected) |
b801d8b2 | 2273 | { |
fe7233c3 JF |
2274 | char *text = line->data; |
2275 | enum line_type type = line->type; | |
2276 | int textlen = strlen(text); | |
78c70acd | 2277 | int attr; |
b801d8b2 | 2278 | |
6706b2ba JF |
2279 | wmove(view->win, lineno, 0); |
2280 | ||
5dcf8064 | 2281 | if (selected) { |
78c70acd | 2282 | type = LINE_CURSOR; |
6706b2ba | 2283 | wchgat(view->win, -1, 0, type, NULL); |
fd85fef1 JF |
2284 | } |
2285 | ||
78c70acd | 2286 | attr = get_line_attr(type); |
b801d8b2 | 2287 | wattrset(view->win, attr); |
b76c2afc | 2288 | |
6706b2ba JF |
2289 | if (opt_line_number || opt_tab_size < TABSIZE) { |
2290 | static char spaces[] = " "; | |
2291 | int col_offset = 0, col = 0; | |
2292 | ||
2293 | if (opt_line_number) { | |
2294 | unsigned long real_lineno = view->offset + lineno + 1; | |
82e78006 | 2295 | |
6706b2ba JF |
2296 | if (real_lineno == 1 || |
2297 | (real_lineno % opt_num_interval) == 0) { | |
2298 | wprintw(view->win, "%.*d", view->digits, real_lineno); | |
8855ada4 | 2299 | |
6706b2ba JF |
2300 | } else { |
2301 | waddnstr(view->win, spaces, | |
2302 | MIN(view->digits, STRING_SIZE(spaces))); | |
2303 | } | |
2304 | waddstr(view->win, ": "); | |
2305 | col_offset = view->digits + 2; | |
2306 | } | |
8855ada4 | 2307 | |
fe7233c3 | 2308 | while (text && col_offset + col < view->width) { |
6706b2ba | 2309 | int cols_max = view->width - col_offset - col; |
fe7233c3 | 2310 | char *pos = text; |
6706b2ba | 2311 | int cols; |
4c6fabc2 | 2312 | |
fe7233c3 JF |
2313 | if (*text == '\t') { |
2314 | text++; | |
6706b2ba | 2315 | assert(sizeof(spaces) > TABSIZE); |
fe7233c3 | 2316 | pos = spaces; |
6706b2ba | 2317 | cols = opt_tab_size - (col % opt_tab_size); |
82e78006 | 2318 | |
b76c2afc | 2319 | } else { |
fe7233c3 JF |
2320 | text = strchr(text, '\t'); |
2321 | cols = line ? text - pos : strlen(pos); | |
b76c2afc | 2322 | } |
6706b2ba | 2323 | |
fe7233c3 | 2324 | waddnstr(view->win, pos, MIN(cols, cols_max)); |
6706b2ba | 2325 | col += cols; |
b76c2afc | 2326 | } |
b76c2afc JF |
2327 | |
2328 | } else { | |
6706b2ba | 2329 | int col = 0, pos = 0; |
b801d8b2 | 2330 | |
fe7233c3 JF |
2331 | for (; pos < textlen && col < view->width; pos++, col++) |
2332 | if (text[pos] == '\t') | |
6706b2ba JF |
2333 | col += TABSIZE - (col % TABSIZE) - 1; |
2334 | ||
fe7233c3 | 2335 | waddnstr(view->win, text, pos); |
6706b2ba | 2336 | } |
2e8488b4 | 2337 | |
b801d8b2 JF |
2338 | return TRUE; |
2339 | } | |
2340 | ||
dc23c0e3 | 2341 | static bool |
d65ced0d | 2342 | add_describe_ref(char *buf, size_t *bufpos, char *commit_id, const char *sep) |
dc23c0e3 | 2343 | { |
17482b11 | 2344 | char refbuf[SIZEOF_STR]; |
dc23c0e3 JF |
2345 | char *ref = NULL; |
2346 | FILE *pipe; | |
2347 | ||
d3c345f7 | 2348 | if (!string_format(refbuf, "git describe %s 2>/dev/null", commit_id)) |
dc23c0e3 JF |
2349 | return TRUE; |
2350 | ||
2351 | pipe = popen(refbuf, "r"); | |
2352 | if (!pipe) | |
2353 | return TRUE; | |
2354 | ||
2355 | if ((ref = fgets(refbuf, sizeof(refbuf), pipe))) | |
2356 | ref = chomp_string(ref); | |
2357 | pclose(pipe); | |
2358 | ||
2359 | if (!ref || !*ref) | |
2360 | return TRUE; | |
2361 | ||
2362 | /* This is the only fatal call, since it can "corrupt" the buffer. */ | |
17482b11 | 2363 | if (!string_nformat(buf, SIZEOF_STR, bufpos, "%s%s", sep, ref)) |
dc23c0e3 JF |
2364 | return FALSE; |
2365 | ||
2366 | return TRUE; | |
2367 | } | |
2368 | ||
7b99a34c JF |
2369 | static void |
2370 | add_pager_refs(struct view *view, struct line *line) | |
2371 | { | |
17482b11 | 2372 | char buf[SIZEOF_STR]; |
c9ca1ec3 | 2373 | char *commit_id = line->data + STRING_SIZE("commit "); |
7b99a34c | 2374 | struct ref **refs; |
d65ced0d | 2375 | size_t bufpos = 0, refpos = 0; |
7b99a34c | 2376 | const char *sep = "Refs: "; |
dc23c0e3 | 2377 | bool is_tag = FALSE; |
7b99a34c JF |
2378 | |
2379 | assert(line->type == LINE_COMMIT); | |
2380 | ||
c9ca1ec3 | 2381 | refs = get_refs(commit_id); |
dc23c0e3 JF |
2382 | if (!refs) { |
2383 | if (view == VIEW(REQ_VIEW_DIFF)) | |
2384 | goto try_add_describe_ref; | |
7b99a34c | 2385 | return; |
dc23c0e3 | 2386 | } |
7b99a34c JF |
2387 | |
2388 | do { | |
cc2d1364 | 2389 | struct ref *ref = refs[refpos]; |
e15ec88e JF |
2390 | char *fmt = ref->tag ? "%s[%s]" : |
2391 | ref->remote ? "%s<%s>" : "%s%s"; | |
7b99a34c | 2392 | |
cc2d1364 JF |
2393 | if (!string_format_from(buf, &bufpos, fmt, sep, ref->name)) |
2394 | return; | |
7b99a34c | 2395 | sep = ", "; |
dc23c0e3 JF |
2396 | if (ref->tag) |
2397 | is_tag = TRUE; | |
7b99a34c JF |
2398 | } while (refs[refpos++]->next); |
2399 | ||
dc23c0e3 JF |
2400 | if (!is_tag && view == VIEW(REQ_VIEW_DIFF)) { |
2401 | try_add_describe_ref: | |
d42c8a35 | 2402 | /* Add <tag>-g<commit_id> "fake" reference. */ |
dc23c0e3 JF |
2403 | if (!add_describe_ref(buf, &bufpos, commit_id, sep)) |
2404 | return; | |
2405 | } | |
2406 | ||
d42c8a35 JF |
2407 | if (bufpos == 0) |
2408 | return; | |
2409 | ||
cc2d1364 | 2410 | if (!realloc_lines(view, view->line_size + 1)) |
7b99a34c JF |
2411 | return; |
2412 | ||
0a0d8910 | 2413 | add_line_text(view, buf, LINE_PP_REFS); |
7b99a34c JF |
2414 | } |
2415 | ||
6b161b31 | 2416 | static bool |
701e4f5d | 2417 | pager_read(struct view *view, char *data) |
22f66b0a | 2418 | { |
0a0d8910 | 2419 | struct line *line; |
22f66b0a | 2420 | |
be04d936 JF |
2421 | if (!data) |
2422 | return TRUE; | |
2423 | ||
0a0d8910 JF |
2424 | line = add_line_text(view, data, get_line_type(data)); |
2425 | if (!line) | |
7b99a34c | 2426 | return FALSE; |
fe7233c3 | 2427 | |
7b99a34c JF |
2428 | if (line->type == LINE_COMMIT && |
2429 | (view == VIEW(REQ_VIEW_DIFF) || | |
2430 | view == VIEW(REQ_VIEW_LOG))) | |
2431 | add_pager_refs(view, line); | |
2432 | ||
22f66b0a JF |
2433 | return TRUE; |
2434 | } | |
2435 | ||
6b161b31 | 2436 | static bool |
fe7233c3 | 2437 | pager_enter(struct view *view, struct line *line) |
6b161b31 | 2438 | { |
91e8e277 | 2439 | int split = 0; |
6b161b31 | 2440 | |
9fbbd28f JF |
2441 | if (line->type == LINE_COMMIT && |
2442 | (view == VIEW(REQ_VIEW_LOG) || | |
2443 | view == VIEW(REQ_VIEW_PAGER))) { | |
91e8e277 JF |
2444 | open_view(view, REQ_VIEW_DIFF, OPEN_SPLIT); |
2445 | split = 1; | |
67e48ac5 JF |
2446 | } |
2447 | ||
91e8e277 JF |
2448 | /* Always scroll the view even if it was split. That way |
2449 | * you can use Enter to scroll through the log view and | |
2450 | * split open each commit diff. */ | |
2451 | scroll_view(view, REQ_SCROLL_LINE_DOWN); | |
2452 | ||
2453 | /* FIXME: A minor workaround. Scrolling the view will call report("") | |
9d82d824 JF |
2454 | * but if we are scrolling a non-current view this won't properly |
2455 | * update the view title. */ | |
91e8e277 JF |
2456 | if (split) |
2457 | update_view_title(view); | |
6b161b31 JF |
2458 | |
2459 | return TRUE; | |
2460 | } | |
2461 | ||
4af34daa JF |
2462 | static bool |
2463 | pager_grep(struct view *view, struct line *line) | |
2464 | { | |
2465 | regmatch_t pmatch; | |
2466 | char *text = line->data; | |
2467 | ||
2468 | if (!*text) | |
2469 | return FALSE; | |
2470 | ||
b77b2cb8 | 2471 | if (regexec(view->regex, text, 1, &pmatch, 0) == REG_NOMATCH) |
4af34daa JF |
2472 | return FALSE; |
2473 | ||
2474 | return TRUE; | |
2475 | } | |
2476 | ||
d720de4b JF |
2477 | static void |
2478 | pager_select(struct view *view, struct line *line) | |
2479 | { | |
2480 | if (line->type == LINE_COMMIT) { | |
035ba11f | 2481 | char *text = line->data + STRING_SIZE("commit "); |
d720de4b | 2482 | |
035ba11f | 2483 | if (view != VIEW(REQ_VIEW_PAGER)) |
2463b4ea JF |
2484 | string_copy_rev(view->ref, text); |
2485 | string_copy_rev(ref_commit, text); | |
d720de4b JF |
2486 | } |
2487 | } | |
2488 | ||
6b161b31 | 2489 | static struct view_ops pager_ops = { |
6734f6b9 | 2490 | "line", |
f098944b | 2491 | NULL, |
6b161b31 | 2492 | pager_read, |
f098944b JF |
2493 | pager_draw, |
2494 | pager_enter, | |
2495 | pager_grep, | |
2496 | pager_select, | |
2497 | }; | |
2498 | ||
2499 | ||
2500 | /* | |
2501 | * Help backend | |
2502 | */ | |
2503 | ||
2504 | static bool | |
2505 | help_open(struct view *view) | |
2506 | { | |
2507 | char buf[BUFSIZ]; | |
2508 | int lines = ARRAY_SIZE(req_info) + 2; | |
2509 | int i; | |
2510 | ||
2511 | if (view->lines > 0) | |
2512 | return TRUE; | |
2513 | ||
2514 | for (i = 0; i < ARRAY_SIZE(req_info); i++) | |
2515 | if (!req_info[i].request) | |
2516 | lines++; | |
2517 | ||
2518 | view->line = calloc(lines, sizeof(*view->line)); | |
2519 | if (!view->line) | |
2520 | return FALSE; | |
2521 | ||
2522 | add_line_text(view, "Quick reference for tig keybindings:", LINE_DEFAULT); | |
2523 | ||
2524 | for (i = 0; i < ARRAY_SIZE(req_info); i++) { | |
2525 | char *key; | |
2526 | ||
2527 | if (!req_info[i].request) { | |
2528 | add_line_text(view, "", LINE_DEFAULT); | |
2529 | add_line_text(view, req_info[i].help, LINE_DEFAULT); | |
2530 | continue; | |
2531 | } | |
2532 | ||
2533 | key = get_key(req_info[i].request); | |
2534 | if (!string_format(buf, " %-25s %s", key, req_info[i].help)) | |
2535 | continue; | |
2536 | ||
2537 | add_line_text(view, buf, LINE_DEFAULT); | |
2538 | } | |
2539 | ||
2540 | return TRUE; | |
2541 | } | |
2542 | ||
2543 | static struct view_ops help_ops = { | |
2544 | "line", | |
2545 | help_open, | |
2546 | NULL, | |
2547 | pager_draw, | |
6b161b31 | 2548 | pager_enter, |
4af34daa | 2549 | pager_grep, |
d720de4b | 2550 | pager_select, |
6b161b31 JF |
2551 | }; |
2552 | ||
80ce96ea | 2553 | |
ff26aa29 | 2554 | /* |
e733ee54 JF |
2555 | * Tree backend |
2556 | */ | |
2557 | ||
4795d620 | 2558 | /* Parse output from git-ls-tree(1): |
e733ee54 JF |
2559 | * |
2560 | * 100644 blob fb0e31ea6cc679b7379631188190e975f5789c26 Makefile | |
2561 | * 100644 blob 5304ca4260aaddaee6498f9630e7d471b8591ea6 README | |
2562 | * 100644 blob f931e1d229c3e185caad4449bf5b66ed72462657 tig.c | |
2563 | * 100644 blob ed09fe897f3c7c9af90bcf80cae92558ea88ae38 web.conf | |
2564 | */ | |
2565 | ||
2566 | #define SIZEOF_TREE_ATTR \ | |
2567 | STRING_SIZE("100644 blob ed09fe897f3c7c9af90bcf80cae92558ea88ae38\t") | |
2568 | ||
2569 | #define TREE_UP_FORMAT "040000 tree %s\t.." | |
2570 | ||
2571 | static int | |
2572 | tree_compare_entry(enum line_type type1, char *name1, | |
2573 | enum line_type type2, char *name2) | |
2574 | { | |
2575 | if (type1 != type2) { | |
2576 | if (type1 == LINE_TREE_DIR) | |
2577 | return -1; | |
2578 | return 1; | |
2579 | } | |
2580 | ||
2581 | return strcmp(name1, name2); | |
2582 | } | |
2583 | ||
2584 | static bool | |
2585 | tree_read(struct view *view, char *text) | |
2586 | { | |
be04d936 | 2587 | size_t textlen = text ? strlen(text) : 0; |
e733ee54 JF |
2588 | char buf[SIZEOF_STR]; |
2589 | unsigned long pos; | |
2590 | enum line_type type; | |
f88a5319 | 2591 | bool first_read = view->lines == 0; |
e733ee54 JF |
2592 | |
2593 | if (textlen <= SIZEOF_TREE_ATTR) | |
2594 | return FALSE; | |
2595 | ||
2596 | type = text[STRING_SIZE("100644 ")] == 't' | |
2597 | ? LINE_TREE_DIR : LINE_TREE_FILE; | |
2598 | ||
f88a5319 | 2599 | if (first_read) { |
e733ee54 | 2600 | /* Add path info line */ |
0a0d8910 JF |
2601 | if (!string_format(buf, "Directory path /%s", opt_path) || |
2602 | !realloc_lines(view, view->line_size + 1) || | |
2603 | !add_line_text(view, buf, LINE_DEFAULT)) | |
e733ee54 JF |
2604 | return FALSE; |
2605 | ||
2606 | /* Insert "link" to parent directory. */ | |
0a0d8910 JF |
2607 | if (*opt_path) { |
2608 | if (!string_format(buf, TREE_UP_FORMAT, view->ref) || | |
2609 | !realloc_lines(view, view->line_size + 1) || | |
2610 | !add_line_text(view, buf, LINE_TREE_DIR)) | |
2611 | return FALSE; | |
2612 | } | |
e733ee54 JF |
2613 | } |
2614 | ||
2615 | /* Strip the path part ... */ | |
2616 | if (*opt_path) { | |
2617 | size_t pathlen = textlen - SIZEOF_TREE_ATTR; | |
2618 | size_t striplen = strlen(opt_path); | |
2619 | char *path = text + SIZEOF_TREE_ATTR; | |
2620 | ||
2621 | if (pathlen > striplen) | |
2622 | memmove(path, path + striplen, | |
2623 | pathlen - striplen + 1); | |
2624 | } | |
2625 | ||
2626 | /* Skip "Directory ..." and ".." line. */ | |
2627 | for (pos = 1 + !!*opt_path; pos < view->lines; pos++) { | |
2628 | struct line *line = &view->line[pos]; | |
2629 | char *path1 = ((char *) line->data) + SIZEOF_TREE_ATTR; | |
2630 | char *path2 = text + SIZEOF_TREE_ATTR; | |
2631 | int cmp = tree_compare_entry(line->type, path1, type, path2); | |
2632 | ||
2633 | if (cmp <= 0) | |
2634 | continue; | |
2635 | ||
2636 | text = strdup(text); | |
2637 | if (!text) | |
2638 | return FALSE; | |
2639 | ||
2640 | if (view->lines > pos) | |
2641 | memmove(&view->line[pos + 1], &view->line[pos], | |
2642 | (view->lines - pos) * sizeof(*line)); | |
2643 | ||
2644 | line = &view->line[pos]; | |
2645 | line->data = text; | |
2646 | line->type = type; | |
2647 | view->lines++; | |
2648 | return TRUE; | |
2649 | } | |
2650 | ||
0a0d8910 | 2651 | if (!add_line_text(view, text, type)) |
e733ee54 JF |
2652 | return FALSE; |
2653 | ||
f88a5319 JF |
2654 | /* Move the current line to the first tree entry. */ |
2655 | if (first_read) | |
2656 | view->lineno++; | |
2657 | ||
e733ee54 JF |
2658 | return TRUE; |
2659 | } | |
2660 | ||
2661 | static bool | |
2662 | tree_enter(struct view *view, struct line *line) | |
2663 | { | |
aac64c17 | 2664 | enum open_flags flags; |
e733ee54 JF |
2665 | enum request request; |
2666 | ||
2667 | switch (line->type) { | |
2668 | case LINE_TREE_DIR: | |
2669 | /* Depending on whether it is a subdir or parent (updir?) link | |
2670 | * mangle the path buffer. */ | |
2671 | if (line == &view->line[1] && *opt_path) { | |
2672 | size_t path_len = strlen(opt_path); | |
2673 | char *dirsep = opt_path + path_len - 1; | |
2674 | ||
2675 | while (dirsep > opt_path && dirsep[-1] != '/') | |
2676 | dirsep--; | |
2677 | ||
2678 | dirsep[0] = 0; | |
2679 | ||
2680 | } else { | |
d65ced0d | 2681 | size_t pathlen = strlen(opt_path); |
4ea4ce91 | 2682 | size_t origlen = pathlen; |
4795d620 | 2683 | char *data = line->data; |
e733ee54 JF |
2684 | char *basename = data + SIZEOF_TREE_ATTR; |
2685 | ||
4038038f | 2686 | if (!string_format_from(opt_path, &pathlen, "%s/", basename)) { |
4ea4ce91 JF |
2687 | opt_path[origlen] = 0; |
2688 | return TRUE; | |
2689 | } | |
e733ee54 JF |
2690 | } |
2691 | ||
2692 | /* Trees and subtrees share the same ID, so they are not not | |
2693 | * unique like blobs. */ | |
aac64c17 | 2694 | flags = OPEN_RELOAD; |
e733ee54 JF |
2695 | request = REQ_VIEW_TREE; |
2696 | break; | |
2697 | ||
2698 | case LINE_TREE_FILE: | |
aac64c17 | 2699 | flags = display[0] == view ? OPEN_SPLIT : OPEN_DEFAULT; |
e733ee54 JF |
2700 | request = REQ_VIEW_BLOB; |
2701 | break; | |
2702 | ||
2703 | default: | |
2704 | return TRUE; | |
2705 | } | |
2706 | ||
2707 | open_view(view, request, flags); | |
2708 | ||
e733ee54 JF |
2709 | return TRUE; |
2710 | } | |
2711 | ||
d720de4b JF |
2712 | static void |
2713 | tree_select(struct view *view, struct line *line) | |
2714 | { | |
035ba11f | 2715 | char *text = line->data + STRING_SIZE("100644 blob "); |
73c76ef5 JF |
2716 | |
2717 | if (line->type == LINE_TREE_FILE) { | |
2463b4ea | 2718 | string_copy_rev(ref_blob, text); |
d720de4b | 2719 | |
ebbaf4fe JF |
2720 | } else if (line->type != LINE_TREE_DIR) { |
2721 | return; | |
d720de4b | 2722 | } |
ebbaf4fe | 2723 | |
2463b4ea | 2724 | string_copy_rev(view->ref, text); |
d720de4b JF |
2725 | } |
2726 | ||
e733ee54 JF |
2727 | static struct view_ops tree_ops = { |
2728 | "file", | |
f098944b | 2729 | NULL, |
e733ee54 | 2730 | tree_read, |
f098944b | 2731 | pager_draw, |
e733ee54 JF |
2732 | tree_enter, |
2733 | pager_grep, | |
d720de4b | 2734 | tree_select, |
e733ee54 JF |
2735 | }; |
2736 | ||
2737 | static bool | |
2738 | blob_read(struct view *view, char *line) | |
2739 | { | |
0a0d8910 | 2740 | return add_line_text(view, line, LINE_DEFAULT); |
e733ee54 JF |
2741 | } |
2742 | ||
2743 | static struct view_ops blob_ops = { | |
2744 | "line", | |
f098944b | 2745 | NULL, |
e733ee54 | 2746 | blob_read, |
f098944b | 2747 | pager_draw, |
e733ee54 JF |
2748 | pager_enter, |
2749 | pager_grep, | |
d720de4b | 2750 | pager_select, |
e733ee54 JF |
2751 | }; |
2752 | ||
2753 | ||
2754 | /* | |
ccc33449 | 2755 | * Revision graph |
ff26aa29 JF |
2756 | */ |
2757 | ||
2758 | struct commit { | |
10446330 | 2759 | char id[SIZEOF_REV]; /* SHA1 ID. */ |
aea510c8 | 2760 | char title[128]; /* First line of the commit message. */ |
54efb62b JF |
2761 | char author[75]; /* Author of the commit. */ |
2762 | struct tm time; /* Date from the author ident. */ | |
2763 | struct ref **refs; /* Repository references. */ | |
2764 | chtype graph[SIZEOF_REVGRAPH]; /* Ancestry chain graphics. */ | |
2765 | size_t graph_size; /* The width of the graph array. */ | |
ff26aa29 | 2766 | }; |
c34d9c9f | 2767 | |
ccc33449 JF |
2768 | /* Size of rev graph with no "padding" columns */ |
2769 | #define SIZEOF_REVITEMS (SIZEOF_REVGRAPH - (SIZEOF_REVGRAPH / 2)) | |
2b757533 | 2770 | |
2ce5c87c JF |
2771 | struct rev_graph { |
2772 | struct rev_graph *prev, *next, *parents; | |
2b757533 JF |
2773 | char rev[SIZEOF_REVITEMS][SIZEOF_REV]; |
2774 | size_t size; | |
88757ebd JF |
2775 | struct commit *commit; |
2776 | size_t pos; | |
2b757533 JF |
2777 | }; |
2778 | ||
2b757533 | 2779 | /* Parents of the commit being visualized. */ |
446a5c36 | 2780 | static struct rev_graph graph_parents[4]; |
c8d60a25 | 2781 | |
c65a501a | 2782 | /* The current stack of revisions on the graph. */ |
446a5c36 JF |
2783 | static struct rev_graph graph_stacks[4] = { |
2784 | { &graph_stacks[3], &graph_stacks[1], &graph_parents[0] }, | |
c65a501a | 2785 | { &graph_stacks[0], &graph_stacks[2], &graph_parents[1] }, |
446a5c36 JF |
2786 | { &graph_stacks[1], &graph_stacks[3], &graph_parents[2] }, |
2787 | { &graph_stacks[2], &graph_stacks[0], &graph_parents[3] }, | |
c65a501a JF |
2788 | }; |
2789 | ||
9e43b9cd | 2790 | static inline bool |
2ce5c87c | 2791 | graph_parent_is_merge(struct rev_graph *graph) |
9e43b9cd JF |
2792 | { |
2793 | return graph->parents->size > 1; | |
2794 | } | |
2795 | ||
88757ebd | 2796 | static inline void |
2ce5c87c | 2797 | append_to_rev_graph(struct rev_graph *graph, chtype symbol) |
88757ebd | 2798 | { |
2c27faac JF |
2799 | struct commit *commit = graph->commit; |
2800 | ||
2801 | if (commit->graph_size < ARRAY_SIZE(commit->graph) - 1) | |
2802 | commit->graph[commit->graph_size++] = symbol; | |
88757ebd JF |
2803 | } |
2804 | ||
2b757533 | 2805 | static void |
2ce5c87c | 2806 | done_rev_graph(struct rev_graph *graph) |
987890af JF |
2807 | { |
2808 | if (graph_parent_is_merge(graph) && | |
2809 | graph->pos < graph->size - 1 && | |
2810 | graph->next->size == graph->size + graph->parents->size - 1) { | |
2811 | size_t i = graph->pos + graph->parents->size - 1; | |
2812 | ||
2813 | graph->commit->graph_size = i * 2; | |
2814 | while (i < graph->next->size - 1) { | |
2815 | append_to_rev_graph(graph, ' '); | |
2816 | append_to_rev_graph(graph, '\\'); | |
2817 | i++; | |
2818 | } | |
2819 | } | |
2820 | ||
2821 | graph->size = graph->pos = 0; | |
2822 | graph->commit = NULL; | |
2823 | memset(graph->parents, 0, sizeof(*graph->parents)); | |
2824 | } | |
2825 | ||
2826 | static void | |
2ce5c87c | 2827 | push_rev_graph(struct rev_graph *graph, char *parent) |
2b757533 | 2828 | { |
2fe894e6 JF |
2829 | int i; |
2830 | ||
2831 | /* "Collapse" duplicate parents lines. | |
2832 | * | |
2833 | * FIXME: This needs to also update update the drawn graph but | |
2834 | * for now it just serves as a method for pruning graph lines. */ | |
2835 | for (i = 0; i < graph->size; i++) | |
2836 | if (!strncmp(graph->rev[i], parent, SIZEOF_REV)) | |
2837 | return; | |
2b757533 | 2838 | |
2ce5c87c JF |
2839 | if (graph->size < SIZEOF_REVITEMS) { |
2840 | string_ncopy(graph->rev[graph->size++], parent, SIZEOF_REV); | |
2b757533 JF |
2841 | } |
2842 | } | |
2843 | ||
92507a24 JF |
2844 | static chtype |
2845 | get_rev_graph_symbol(struct rev_graph *graph) | |
2b757533 | 2846 | { |
92507a24 | 2847 | chtype symbol; |
2b757533 | 2848 | |
c65a501a | 2849 | if (graph->parents->size == 0) |
c8d60a25 | 2850 | symbol = REVGRAPH_INIT; |
18ffaa23 | 2851 | else if (graph_parent_is_merge(graph)) |
c8d60a25 | 2852 | symbol = REVGRAPH_MERGE; |
c65a501a | 2853 | else if (graph->pos >= graph->size) |
c8d60a25 | 2854 | symbol = REVGRAPH_BRANCH; |
2b757533 | 2855 | else |
c8d60a25 | 2856 | symbol = REVGRAPH_COMMIT; |
1dcb3bec | 2857 | |
92507a24 JF |
2858 | return symbol; |
2859 | } | |
2860 | ||
2861 | static void | |
2862 | draw_rev_graph(struct rev_graph *graph) | |
2863 | { | |
e937c2c8 JF |
2864 | struct rev_filler { |
2865 | chtype separator, line; | |
2866 | }; | |
2867 | enum { DEFAULT, RSHARP, RDIAG, LDIAG }; | |
2868 | static struct rev_filler fillers[] = { | |
2869 | { ' ', REVGRAPH_LINE }, | |
2870 | { '`', '.' }, | |
2871 | { '\'', ' ' }, | |
2872 | { '/', ' ' }, | |
e937c2c8 | 2873 | }; |
92507a24 | 2874 | chtype symbol = get_rev_graph_symbol(graph); |
e937c2c8 | 2875 | struct rev_filler *filler; |
92507a24 JF |
2876 | size_t i; |
2877 | ||
e937c2c8 | 2878 | filler = &fillers[DEFAULT]; |
110e948e | 2879 | |
c65a501a | 2880 | for (i = 0; i < graph->pos; i++) { |
e937c2c8 | 2881 | append_to_rev_graph(graph, filler->line); |
9e43b9cd | 2882 | if (graph_parent_is_merge(graph->prev) && |
e937c2c8 JF |
2883 | graph->prev->pos == i) |
2884 | filler = &fillers[RSHARP]; | |
2885 | ||
2886 | append_to_rev_graph(graph, filler->separator); | |
110e948e JF |
2887 | } |
2888 | ||
92507a24 | 2889 | /* Place the symbol for this revision. */ |
c65a501a | 2890 | append_to_rev_graph(graph, symbol); |
2b757533 | 2891 | |
e937c2c8 JF |
2892 | if (graph->prev->size > graph->size) |
2893 | filler = &fillers[RDIAG]; | |
2894 | else | |
2895 | filler = &fillers[DEFAULT]; | |
2896 | ||
c8d60a25 | 2897 | i++; |
2b757533 | 2898 | |
c65a501a | 2899 | for (; i < graph->size; i++) { |
e937c2c8 JF |
2900 | append_to_rev_graph(graph, filler->separator); |
2901 | append_to_rev_graph(graph, filler->line); | |
2902 | if (graph_parent_is_merge(graph->prev) && | |
2903 | i < graph->prev->pos + graph->parents->size) | |
2904 | filler = &fillers[RSHARP]; | |
2905 | if (graph->prev->size > graph->size) | |
2906 | filler = &fillers[LDIAG]; | |
c65a501a JF |
2907 | } |
2908 | ||
2909 | if (graph->prev->size > graph->size) { | |
e937c2c8 JF |
2910 | append_to_rev_graph(graph, filler->separator); |
2911 | if (filler->line != ' ') | |
2912 | append_to_rev_graph(graph, filler->line); | |
2b757533 | 2913 | } |
b5d8f208 JF |
2914 | } |
2915 | ||
61eed810 JF |
2916 | /* Prepare the next rev graph */ |
2917 | static void | |
2918 | prepare_rev_graph(struct rev_graph *graph) | |
b5d8f208 | 2919 | { |
b5d8f208 JF |
2920 | size_t i; |
2921 | ||
320df4ea | 2922 | /* First, traverse all lines of revisions up to the active one. */ |
c65a501a JF |
2923 | for (graph->pos = 0; graph->pos < graph->size; graph->pos++) { |
2924 | if (!strcmp(graph->rev[graph->pos], graph->commit->id)) | |
b5d8f208 | 2925 | break; |
b5d8f208 | 2926 | |
2ce5c87c | 2927 | push_rev_graph(graph->next, graph->rev[graph->pos]); |
b5d8f208 JF |
2928 | } |
2929 | ||
320df4ea | 2930 | /* Interleave the new revision parent(s). */ |
c65a501a | 2931 | for (i = 0; i < graph->parents->size; i++) |
2ce5c87c | 2932 | push_rev_graph(graph->next, graph->parents->rev[i]); |
b5d8f208 | 2933 | |
320df4ea | 2934 | /* Lastly, put any remaining revisions. */ |
c65a501a | 2935 | for (i = graph->pos + 1; i < graph->size; i++) |
2ce5c87c | 2936 | push_rev_graph(graph->next, graph->rev[i]); |
61eed810 JF |
2937 | } |
2938 | ||
2939 | static void | |
2940 | update_rev_graph(struct rev_graph *graph) | |
2941 | { | |
446a5c36 JF |
2942 | /* If this is the finalizing update ... */ |
2943 | if (graph->commit) | |
2944 | prepare_rev_graph(graph); | |
2945 | ||
2946 | /* Graph visualization needs a one rev look-ahead, | |
2947 | * so the first update doesn't visualize anything. */ | |
2948 | if (!graph->prev->commit) | |
2949 | return; | |
c65a501a | 2950 | |
61eed810 JF |
2951 | draw_rev_graph(graph->prev); |
2952 | done_rev_graph(graph->prev->prev); | |
2b757533 JF |
2953 | } |
2954 | ||
ccc33449 JF |
2955 | |
2956 | /* | |
2957 | * Main view backend | |
2958 | */ | |
2959 | ||
2960 | static bool | |
2961 | main_draw(struct view *view, struct line *line, unsigned int lineno, bool selected) | |
2962 | { | |
2963 | char buf[DATE_COLS + 1]; | |
2964 | struct commit *commit = line->data; | |
2965 | enum line_type type; | |
2966 | int col = 0; | |
2967 | size_t timelen; | |
2968 | size_t authorlen; | |
2969 | int trimmed = 1; | |
2970 | ||
2971 | if (!*commit->author) | |
2972 | return FALSE; | |
2973 | ||
2974 | wmove(view->win, lineno, col); | |
2975 | ||
2976 | if (selected) { | |
2977 | type = LINE_CURSOR; | |
2978 | wattrset(view->win, get_line_attr(type)); | |
2979 | wchgat(view->win, -1, 0, type, NULL); | |
2980 | ||
2981 | } else { | |
2982 | type = LINE_MAIN_COMMIT; | |
2983 | wattrset(view->win, get_line_attr(LINE_MAIN_DATE)); | |
2984 | } | |
2985 | ||
2986 | timelen = strftime(buf, sizeof(buf), DATE_FORMAT, &commit->time); | |
2987 | waddnstr(view->win, buf, timelen); | |
2988 | waddstr(view->win, " "); | |
2989 | ||
2990 | col += DATE_COLS; | |
2991 | wmove(view->win, lineno, col); | |
2992 | if (type != LINE_CURSOR) | |
2993 | wattrset(view->win, get_line_attr(LINE_MAIN_AUTHOR)); | |
2994 | ||
2995 | if (opt_utf8) { | |
2996 | authorlen = utf8_length(commit->author, AUTHOR_COLS - 2, &col, &trimmed); | |
2997 | } else { | |
2998 | authorlen = strlen(commit->author); | |
2999 | if (authorlen > AUTHOR_COLS - 2) { | |
3000 | authorlen = AUTHOR_COLS - 2; | |
3001 | trimmed = 1; | |
3002 | } | |
3003 | } | |
3004 | ||
3005 | if (trimmed) { | |
3006 | waddnstr(view->win, commit->author, authorlen); | |
3007 | if (type != LINE_CURSOR) | |
3008 | wattrset(view->win, get_line_attr(LINE_MAIN_DELIM)); | |
3009 | waddch(view->win, '~'); | |
3010 | } else { | |
3011 | waddstr(view->win, commit->author); | |
3012 | } | |
3013 | ||
3014 | col += AUTHOR_COLS; | |
3015 | if (type != LINE_CURSOR) | |
3016 | wattrset(view->win, A_NORMAL); | |
3017 | ||
3018 | if (opt_rev_graph && commit->graph_size) { | |
3019 | size_t i; | |
3020 | ||
3021 | wmove(view->win, lineno, col); | |
3022 | /* Using waddch() instead of waddnstr() ensures that | |
3023 | * they'll be rendered correctly for the cursor line. */ | |
3024 | for (i = 0; i < commit->graph_size; i++) | |
3025 | waddch(view->win, commit->graph[i]); | |
3026 | ||
8716b9ed | 3027 | waddch(view->win, ' '); |
ccc33449 JF |
3028 | col += commit->graph_size + 1; |
3029 | } | |
3030 | ||
3031 | wmove(view->win, lineno, col); | |
3032 | ||
3033 | if (commit->refs) { | |
3034 | size_t i = 0; | |
3035 | ||
3036 | do { | |
3037 | if (type == LINE_CURSOR) | |
3038 | ; | |
3039 | else if (commit->refs[i]->tag) | |
3040 | wattrset(view->win, get_line_attr(LINE_MAIN_TAG)); | |
e15ec88e JF |
3041 | else if (commit->refs[i]->remote) |
3042 | wattrset(view->win, get_line_attr(LINE_MAIN_REMOTE)); | |
ccc33449 JF |
3043 | else |
3044 | wattrset(view->win, get_line_attr(LINE_MAIN_REF)); | |
3045 | waddstr(view->win, "["); | |
3046 | waddstr(view->win, commit->refs[i]->name); | |
3047 | waddstr(view->win, "]"); | |
3048 | if (type != LINE_CURSOR) | |
3049 | wattrset(view->win, A_NORMAL); | |
3050 | waddstr(view->win, " "); | |
3051 | col += strlen(commit->refs[i]->name) + STRING_SIZE("[] "); | |
3052 | } while (commit->refs[i++]->next); | |
3053 | } | |
3054 | ||
3055 | if (type != LINE_CURSOR) | |
3056 | wattrset(view->win, get_line_attr(type)); | |
3057 | ||
3058 | { | |
3059 | int titlelen = strlen(commit->title); | |
3060 | ||
3061 | if (col + titlelen > view->width) | |
3062 | titlelen = view->width - col; | |
3063 | ||
3064 | waddnstr(view->win, commit->title, titlelen); | |
3065 | } | |
3066 | ||
3067 | return TRUE; | |
3068 | } | |
3069 | ||
4c6fabc2 | 3070 | /* Reads git log --pretty=raw output and parses it into the commit struct. */ |
6b161b31 | 3071 | static bool |
701e4f5d | 3072 | main_read(struct view *view, char *line) |
22f66b0a | 3073 | { |
2ce5c87c | 3074 | static struct rev_graph *graph = graph_stacks; |
be04d936 | 3075 | enum line_type type; |
0ff3b97c | 3076 | struct commit *commit; |
22f66b0a | 3077 | |
be04d936 | 3078 | if (!line) { |
446a5c36 | 3079 | update_rev_graph(graph); |
be04d936 JF |
3080 | return TRUE; |
3081 | } | |
3082 | ||
3083 | type = get_line_type(line); | |
0ff3b97c | 3084 | if (type == LINE_COMMIT) { |
22f66b0a JF |
3085 | commit = calloc(1, sizeof(struct commit)); |
3086 | if (!commit) | |
3087 | return FALSE; | |
3088 | ||
0ff3b97c | 3089 | string_copy_rev(commit->id, line + STRING_SIZE("commit ")); |
c34d9c9f | 3090 | commit->refs = get_refs(commit->id); |
c65a501a | 3091 | graph->commit = commit; |
e314c36d | 3092 | add_line_data(view, commit, LINE_MAIN_COMMIT); |
0ff3b97c JF |
3093 | return TRUE; |
3094 | } | |
2b757533 | 3095 | |
0ff3b97c JF |
3096 | if (!view->lines) |
3097 | return TRUE; | |
3098 | commit = view->line[view->lines - 1].data; | |
3099 | ||
3100 | switch (type) { | |
2b757533 | 3101 | case LINE_PARENT: |
0ff3b97c | 3102 | push_rev_graph(graph->parents, line + STRING_SIZE("parent ")); |
78c70acd | 3103 | break; |
22f66b0a | 3104 | |
8855ada4 | 3105 | case LINE_AUTHOR: |
b76c2afc | 3106 | { |
19c3ac60 JF |
3107 | /* Parse author lines where the name may be empty: |
3108 | * author <email@address.tld> 1138474660 +0100 | |
3109 | */ | |
4c6fabc2 | 3110 | char *ident = line + STRING_SIZE("author "); |
19c3ac60 JF |
3111 | char *nameend = strchr(ident, '<'); |
3112 | char *emailend = strchr(ident, '>'); | |
b76c2afc | 3113 | |
0ff3b97c | 3114 | if (!nameend || !emailend) |
fe7233c3 JF |
3115 | break; |
3116 | ||
c65a501a JF |
3117 | update_rev_graph(graph); |
3118 | graph = graph->next; | |
2b757533 | 3119 | |
19c3ac60 JF |
3120 | *nameend = *emailend = 0; |
3121 | ident = chomp_string(ident); | |
3122 | if (!*ident) { | |
3123 | ident = chomp_string(nameend + 1); | |
3124 | if (!*ident) | |
3125 | ident = "Unknown"; | |
b76c2afc JF |
3126 | } |
3127 | ||
82e78006 | 3128 | string_copy(commit->author, ident); |
b76c2afc | 3129 | |
4c6fabc2 | 3130 | /* Parse epoch and timezone */ |
19c3ac60 JF |
3131 | if (emailend[1] == ' ') { |
3132 | char *secs = emailend + 2; | |
3133 | char *zone = strchr(secs, ' '); | |
3134 | time_t time = (time_t) atol(secs); | |
b76c2afc | 3135 | |
4c6fabc2 | 3136 | if (zone && strlen(zone) == STRING_SIZE(" +0700")) { |
b76c2afc JF |
3137 | long tz; |
3138 | ||
3139 | zone++; | |
3140 | tz = ('0' - zone[1]) * 60 * 60 * 10; | |
3141 | tz += ('0' - zone[2]) * 60 * 60; | |
3142 | tz += ('0' - zone[3]) * 60; | |
3143 | tz += ('0' - zone[4]) * 60; | |
3144 | ||
3145 | if (zone[0] == '-') | |
3146 | tz = -tz; | |
3147 | ||
3148 | time -= tz; | |
3149 | } | |
19c3ac60 | 3150 | |
b76c2afc JF |
3151 | gmtime_r(&time, &commit->time); |
3152 | } | |
3153 | break; | |
3154 | } | |
78c70acd | 3155 | default: |
2e8488b4 | 3156 | /* Fill in the commit title if it has not already been set. */ |
2e8488b4 JF |
3157 | if (commit->title[0]) |
3158 | break; | |
3159 | ||
3160 | /* Require titles to start with a non-space character at the | |
3161 | * offset used by git log. */ | |
9073c64a JF |
3162 | if (strncmp(line, " ", 4)) |
3163 | break; | |
3164 | line += 4; | |
3165 | /* Well, if the title starts with a whitespace character, | |
3166 | * try to be forgiving. Otherwise we end up with no title. */ | |
3167 | while (isspace(*line)) | |
3168 | line++; | |
3169 | if (*line == '\0') | |
82e78006 | 3170 | break; |
9073c64a JF |
3171 | /* FIXME: More graceful handling of titles; append "..." to |
3172 | * shortened titles, etc. */ | |
82e78006 | 3173 | |
9073c64a | 3174 | string_copy(commit->title, line); |
22f66b0a JF |
3175 | } |
3176 | ||
3177 | return TRUE; | |
3178 | } | |
3179 | ||
6b161b31 | 3180 | static bool |
fe7233c3 | 3181 | main_enter(struct view *view, struct line *line) |
b801d8b2 | 3182 | { |
b3a54cba JF |
3183 | enum open_flags flags = display[0] == view ? OPEN_SPLIT : OPEN_DEFAULT; |
3184 | ||
3185 | open_view(view, REQ_VIEW_DIFF, flags); | |
6b161b31 | 3186 | return TRUE; |
b801d8b2 JF |
3187 | } |
3188 | ||
4af34daa JF |
3189 | static bool |
3190 | main_grep(struct view *view, struct line *line) | |
3191 | { | |
3192 | struct commit *commit = line->data; | |
3193 | enum { S_TITLE, S_AUTHOR, S_DATE, S_END } state; | |
3194 | char buf[DATE_COLS + 1]; | |
3195 | regmatch_t pmatch; | |
3196 | ||
3197 | for (state = S_TITLE; state < S_END; state++) { | |
3198 | char *text; | |
3199 | ||
3200 | switch (state) { | |
3201 | case S_TITLE: text = commit->title; break; | |
3202 | case S_AUTHOR: text = commit->author; break; | |
3203 | case S_DATE: | |
3204 | if (!strftime(buf, sizeof(buf), DATE_FORMAT, &commit->time)) | |
3205 | continue; | |
3206 | text = buf; | |
3207 | break; | |
3208 | ||
3209 | default: | |
3210 | return FALSE; | |
3211 | } | |
3212 | ||
b77b2cb8 | 3213 | if (regexec(view->regex, text, 1, &pmatch, 0) != REG_NOMATCH) |
4af34daa JF |
3214 | return TRUE; |
3215 | } | |
3216 | ||
3217 | return FALSE; | |
3218 | } | |
3219 | ||
d720de4b JF |
3220 | static void |
3221 | main_select(struct view *view, struct line *line) | |
3222 | { | |
3223 | struct commit *commit = line->data; | |
3224 | ||
2463b4ea JF |
3225 | string_copy_rev(view->ref, commit->id); |
3226 | string_copy_rev(ref_commit, view->ref); | |
d720de4b JF |
3227 | } |
3228 | ||
6b161b31 | 3229 | static struct view_ops main_ops = { |
6734f6b9 | 3230 | "commit", |
f098944b | 3231 | NULL, |
6b161b31 | 3232 | main_read, |
f098944b | 3233 | main_draw, |
6b161b31 | 3234 | main_enter, |
4af34daa | 3235 | main_grep, |
d720de4b | 3236 | main_select, |
6b161b31 | 3237 | }; |
2e8488b4 | 3238 | |
c34d9c9f | 3239 | |
6b161b31 | 3240 | /* |
10e290ee JF |
3241 | * Unicode / UTF-8 handling |
3242 | * | |
3243 | * NOTE: Much of the following code for dealing with unicode is derived from | |
3244 | * ELinks' UTF-8 code developed by Scrool <scroolik@gmail.com>. Origin file is | |
3245 | * src/intl/charset.c from the utf8 branch commit elinks-0.11.0-g31f2c28. | |
3246 | */ | |
3247 | ||
3248 | /* I've (over)annotated a lot of code snippets because I am not entirely | |
3249 | * confident that the approach taken by this small UTF-8 interface is correct. | |
3250 | * --jonas */ | |
3251 | ||
3252 | static inline int | |
3253 | unicode_width(unsigned long c) | |
3254 | { | |
3255 | if (c >= 0x1100 && | |
3256 | (c <= 0x115f /* Hangul Jamo */ | |
3257 | || c == 0x2329 | |
3258 | || c == 0x232a | |
3259 | || (c >= 0x2e80 && c <= 0xa4cf && c != 0x303f) | |
f97f4012 | 3260 | /* CJK ... Yi */ |
10e290ee JF |
3261 | || (c >= 0xac00 && c <= 0xd7a3) /* Hangul Syllables */ |
3262 | || (c >= 0xf900 && c <= 0xfaff) /* CJK Compatibility Ideographs */ | |
3263 | || (c >= 0xfe30 && c <= 0xfe6f) /* CJK Compatibility Forms */ | |
3264 | || (c >= 0xff00 && c <= 0xff60) /* Fullwidth Forms */ | |
3265 | || (c >= 0xffe0 && c <= 0xffe6) | |
3266 | || (c >= 0x20000 && c <= 0x2fffd) | |
3267 | || (c >= 0x30000 && c <= 0x3fffd))) | |
3268 | return 2; | |
3269 | ||
3270 | return 1; | |
3271 | } | |
3272 | ||
3273 | /* Number of bytes used for encoding a UTF-8 character indexed by first byte. | |
3274 | * Illegal bytes are set one. */ | |
3275 | static const unsigned char utf8_bytes[256] = { | |
3276 | 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, | |
3277 | 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, | |
3278 | 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, | |
3279 | 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, | |
3280 | 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, | |
3281 | 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, | |
3282 | 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, | |
3283 | 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, | |
3284 | }; | |
3285 | ||
3286 | /* Decode UTF-8 multi-byte representation into a unicode character. */ | |
3287 | static inline unsigned long | |
3288 | utf8_to_unicode(const char *string, size_t length) | |
3289 | { | |
3290 | unsigned long unicode; | |
3291 | ||
3292 | switch (length) { | |
3293 | case 1: | |
3294 | unicode = string[0]; | |
3295 | break; | |
3296 | case 2: | |
3297 | unicode = (string[0] & 0x1f) << 6; | |
3298 | unicode += (string[1] & 0x3f); | |
3299 | break; | |
3300 | case 3: | |
3301 | unicode = (string[0] & 0x0f) << 12; | |
3302 | unicode += ((string[1] & 0x3f) << 6); | |
3303 | unicode += (string[2] & 0x3f); | |
3304 | break; | |
3305 | case 4: | |
3306 | unicode = (string[0] & 0x0f) << 18; | |
3307 | unicode += ((string[1] & 0x3f) << 12); | |
3308 | unicode += ((string[2] & 0x3f) << 6); | |
3309 | unicode += (string[3] & 0x3f); | |
3310 | break; | |
3311 | case 5: | |
3312 | unicode = (string[0] & 0x0f) << 24; | |
3313 | unicode += ((string[1] & 0x3f) << 18); | |
3314 | unicode += ((string[2] & 0x3f) << 12); | |
3315 | unicode += ((string[3] & 0x3f) << 6); | |
3316 | unicode += (string[4] & 0x3f); | |
3317 | break; | |
68b6e0eb | 3318 | case 6: |
10e290ee JF |
3319 | unicode = (string[0] & 0x01) << 30; |
3320 | unicode += ((string[1] & 0x3f) << 24); | |
3321 | unicode += ((string[2] & 0x3f) << 18); | |
3322 | unicode += ((string[3] & 0x3f) << 12); | |
3323 | unicode += ((string[4] & 0x3f) << 6); | |
3324 | unicode += (string[5] & 0x3f); | |
3325 | break; | |
3326 | default: | |
3327 | die("Invalid unicode length"); | |
3328 | } | |
3329 | ||
3330 | /* Invalid characters could return the special 0xfffd value but NUL | |
3331 | * should be just as good. */ | |
3332 | return unicode > 0xffff ? 0 : unicode; | |
3333 | } | |
3334 | ||
3335 | /* Calculates how much of string can be shown within the given maximum width | |
3336 | * and sets trimmed parameter to non-zero value if all of string could not be | |
3337 | * shown. | |
3338 | * | |
3339 | * Additionally, adds to coloffset how many many columns to move to align with | |
3340 | * the expected position. Takes into account how multi-byte and double-width | |
3341 | * characters will effect the cursor position. | |
3342 | * | |
3343 | * Returns the number of bytes to output from string to satisfy max_width. */ | |
3344 | static size_t | |
3345 | utf8_length(const char *string, size_t max_width, int *coloffset, int *trimmed) | |
3346 | { | |
3347 | const char *start = string; | |
3348 | const char *end = strchr(string, '\0'); | |
3349 | size_t mbwidth = 0; | |
3350 | size_t width = 0; | |
3351 | ||
3352 | *trimmed = 0; | |
3353 | ||
3354 | while (string < end) { | |
3355 | int c = *(unsigned char *) string; | |
3356 | unsigned char bytes = utf8_bytes[c]; | |
3357 | size_t ucwidth; | |
3358 | unsigned long unicode; | |
3359 | ||
3360 | if (string + bytes > end) | |
3361 | break; | |
3362 | ||
3363 | /* Change representation to figure out whether | |
3364 | * it is a single- or double-width character. */ | |
3365 | ||
3366 | unicode = utf8_to_unicode(string, bytes); | |
3367 | /* FIXME: Graceful handling of invalid unicode character. */ | |
3368 | if (!unicode) | |
3369 | break; | |
3370 | ||
3371 | ucwidth = unicode_width(unicode); | |
3372 | width += ucwidth; | |
3373 | if (width > max_width) { | |
3374 | *trimmed = 1; | |
3375 | break; | |
3376 | } | |
3377 | ||
3378 | /* The column offset collects the differences between the | |
3379 | * number of bytes encoding a character and the number of | |
3380 | * columns will be used for rendering said character. | |
3381 | * | |
3382 | * So if some character A is encoded in 2 bytes, but will be | |
3383 | * represented on the screen using only 1 byte this will and up | |
3384 | * adding 1 to the multi-byte column offset. | |
3385 | * | |
3386 | * Assumes that no double-width character can be encoding in | |
3387 | * less than two bytes. */ | |
3388 | if (bytes > ucwidth) | |
3389 | mbwidth += bytes - ucwidth; | |
3390 | ||
3391 | string += bytes; | |
3392 | } | |
3393 | ||
3394 | *coloffset += mbwidth; | |
3395 | ||
3396 | return string - start; | |
3397 | } | |
3398 | ||
3399 | ||
3400 | /* | |
6b161b31 JF |
3401 | * Status management |
3402 | */ | |
2e8488b4 | 3403 | |
8855ada4 | 3404 | /* Whether or not the curses interface has been initialized. */ |
68b6e0eb | 3405 | static bool cursed = FALSE; |
8855ada4 | 3406 | |
6b161b31 JF |
3407 | /* The status window is used for polling keystrokes. */ |
3408 | static WINDOW *status_win; | |
4a2909a7 | 3409 | |
21be28fb JF |
3410 | static bool status_empty = TRUE; |
3411 | ||
2e8488b4 | 3412 | /* Update status and title window. */ |
4a2909a7 JF |
3413 | static void |
3414 | report(const char *msg, ...) | |
3415 | { | |
6706b2ba | 3416 | struct view *view = display[current_view]; |
b76c2afc | 3417 | |
ab4af23e JF |
3418 | if (input_mode) |
3419 | return; | |
3420 | ||
21be28fb | 3421 | if (!status_empty || *msg) { |
6706b2ba | 3422 | va_list args; |
4a2909a7 | 3423 | |
6706b2ba | 3424 | va_start(args, msg); |
4b76734f | 3425 | |
6706b2ba JF |
3426 | wmove(status_win, 0, 0); |
3427 | if (*msg) { | |
3428 | vwprintw(status_win, msg, args); | |
21be28fb | 3429 | status_empty = FALSE; |
6706b2ba | 3430 | } else { |
21be28fb | 3431 | status_empty = TRUE; |
6706b2ba | 3432 | } |
390a8262 | 3433 | wclrtoeol(status_win); |
6706b2ba | 3434 | wrefresh(status_win); |
b801d8b2 | 3435 | |
6706b2ba JF |
3436 | va_end(args); |
3437 | } | |
3438 | ||
3439 | update_view_title(view); | |
2bee3bde | 3440 | update_display_cursor(view); |
b801d8b2 JF |
3441 | } |
3442 | ||
6b161b31 JF |
3443 | /* Controls when nodelay should be in effect when polling user input. */ |
3444 | static void | |
1ba2ae4b | 3445 | set_nonblocking_input(bool loading) |
b801d8b2 | 3446 | { |
6706b2ba | 3447 | static unsigned int loading_views; |
b801d8b2 | 3448 | |
6706b2ba JF |
3449 | if ((loading == FALSE && loading_views-- == 1) || |
3450 | (loading == TRUE && loading_views++ == 0)) | |
1ba2ae4b | 3451 | nodelay(status_win, loading); |
6b161b31 JF |
3452 | } |
3453 | ||
3454 | static void | |
3455 | init_display(void) | |
3456 | { | |
3457 | int x, y; | |
b76c2afc | 3458 | |
6908bdbd JF |
3459 | /* Initialize the curses library */ |
3460 | if (isatty(STDIN_FILENO)) { | |
8855ada4 | 3461 | cursed = !!initscr(); |
6908bdbd JF |
3462 | } else { |
3463 | /* Leave stdin and stdout alone when acting as a pager. */ | |
3464 | FILE *io = fopen("/dev/tty", "r+"); | |
3465 | ||
e6f60674 JF |
3466 | if (!io) |
3467 | die("Failed to open /dev/tty"); | |
8855ada4 | 3468 | cursed = !!newterm(NULL, io, io); |
6908bdbd JF |
3469 | } |
3470 | ||
8855ada4 JF |
3471 | if (!cursed) |
3472 | die("Failed to initialize curses"); | |
3473 | ||
2e8488b4 JF |
3474 | nonl(); /* Tell curses not to do NL->CR/NL on output */ |
3475 | cbreak(); /* Take input chars one at a time, no wait for \n */ | |
3476 | noecho(); /* Don't echo input */ | |
b801d8b2 | 3477 | leaveok(stdscr, TRUE); |
b801d8b2 JF |
3478 | |
3479 | if (has_colors()) | |
3480 | init_colors(); | |
3481 | ||
3482 | getmaxyx(stdscr, y, x); | |
3483 | status_win = newwin(1, 0, y - 1, 0); | |
3484 | if (!status_win) | |
3485 | die("Failed to create status window"); | |
3486 | ||
3487 | /* Enable keyboard mapping */ | |
3488 | keypad(status_win, TRUE); | |
78c70acd | 3489 | wbkgdset(status_win, get_line_attr(LINE_STATUS)); |
6b161b31 JF |
3490 | } |
3491 | ||
4af34daa | 3492 | static char * |
cb9e48c1 | 3493 | read_prompt(const char *prompt) |
ef5404a4 JF |
3494 | { |
3495 | enum { READING, STOP, CANCEL } status = READING; | |
9e21ce5c | 3496 | static char buf[sizeof(opt_cmd) - STRING_SIZE("git \0")]; |
ef5404a4 JF |
3497 | int pos = 0; |
3498 | ||
3499 | while (status == READING) { | |
3500 | struct view *view; | |
3501 | int i, key; | |
3502 | ||
ab4af23e JF |
3503 | input_mode = TRUE; |
3504 | ||
699ae55b | 3505 | foreach_view (view, i) |
ef5404a4 JF |
3506 | update_view(view); |
3507 | ||
ab4af23e JF |
3508 | input_mode = FALSE; |
3509 | ||
3510 | mvwprintw(status_win, 0, 0, "%s%.*s", prompt, pos, buf); | |
3511 | wclrtoeol(status_win); | |
3512 | ||
ef5404a4 JF |
3513 | /* Refresh, accept single keystroke of input */ |
3514 | key = wgetch(status_win); | |
3515 | switch (key) { | |
3516 | case KEY_RETURN: | |
3517 | case KEY_ENTER: | |
3518 | case '\n': | |
3519 | status = pos ? STOP : CANCEL; | |
3520 | break; | |
3521 | ||
3522 | case KEY_BACKSPACE: | |
3523 | if (pos > 0) | |
3524 | pos--; | |
3525 | else | |
3526 | status = CANCEL; | |
3527 | break; | |
3528 | ||
3529 | case KEY_ESC: | |
3530 | status = CANCEL; | |
3531 | break; | |
3532 | ||
3533 | case ERR: | |
3534 | break; | |
3535 | ||
3536 | default: | |
3537 | if (pos >= sizeof(buf)) { | |
3538 | report("Input string too long"); | |
9e21ce5c | 3539 | return NULL; |
ef5404a4 JF |
3540 | } |
3541 | ||
3542 | if (isprint(key)) | |
3543 | buf[pos++] = (char) key; | |
3544 | } | |
3545 | } | |
3546 | ||
7a06ebdf JF |
3547 | /* Clear the status window */ |
3548 | status_empty = FALSE; | |
3549 | report(""); | |
3550 | ||
3551 | if (status == CANCEL) | |
9e21ce5c | 3552 | return NULL; |
ef5404a4 JF |
3553 | |
3554 | buf[pos++] = 0; | |
ef5404a4 | 3555 | |
9e21ce5c | 3556 | return buf; |
ef5404a4 | 3557 | } |
c34d9c9f JF |
3558 | |
3559 | /* | |
3560 | * Repository references | |
3561 | */ | |
3562 | ||
3563 | static struct ref *refs; | |
3a91b75e | 3564 | static size_t refs_size; |
c34d9c9f | 3565 | |
1307df1a JF |
3566 | /* Id <-> ref store */ |
3567 | static struct ref ***id_refs; | |
3568 | static size_t id_refs_size; | |
3569 | ||
c34d9c9f JF |
3570 | static struct ref ** |
3571 | get_refs(char *id) | |
3572 | { | |
1307df1a JF |
3573 | struct ref ***tmp_id_refs; |
3574 | struct ref **ref_list = NULL; | |
3575 | size_t ref_list_size = 0; | |
c34d9c9f JF |
3576 | size_t i; |
3577 | ||
1307df1a JF |
3578 | for (i = 0; i < id_refs_size; i++) |
3579 | if (!strcmp(id, id_refs[i][0]->id)) | |
3580 | return id_refs[i]; | |
3581 | ||
3582 | tmp_id_refs = realloc(id_refs, (id_refs_size + 1) * sizeof(*id_refs)); | |
3583 | if (!tmp_id_refs) | |
3584 | return NULL; | |
3585 | ||
3586 | id_refs = tmp_id_refs; | |
3587 | ||
c34d9c9f JF |
3588 | for (i = 0; i < refs_size; i++) { |
3589 | struct ref **tmp; | |
3590 | ||
3591 | if (strcmp(id, refs[i].id)) | |
3592 | continue; | |
3593 | ||
1307df1a | 3594 | tmp = realloc(ref_list, (ref_list_size + 1) * sizeof(*ref_list)); |
c34d9c9f | 3595 | if (!tmp) { |
1307df1a JF |
3596 | if (ref_list) |
3597 | free(ref_list); | |
c34d9c9f JF |
3598 | return NULL; |
3599 | } | |
3600 | ||
1307df1a JF |
3601 | ref_list = tmp; |
3602 | if (ref_list_size > 0) | |
3603 | ref_list[ref_list_size - 1]->next = 1; | |
3604 | ref_list[ref_list_size] = &refs[i]; | |
3af8774e JF |
3605 | |
3606 | /* XXX: The properties of the commit chains ensures that we can | |
3607 | * safely modify the shared ref. The repo references will | |
3608 | * always be similar for the same id. */ | |
1307df1a JF |
3609 | ref_list[ref_list_size]->next = 0; |
3610 | ref_list_size++; | |
c34d9c9f JF |
3611 | } |
3612 | ||
1307df1a JF |
3613 | if (ref_list) |
3614 | id_refs[id_refs_size++] = ref_list; | |
3615 | ||
3616 | return ref_list; | |
c34d9c9f JF |
3617 | } |
3618 | ||
3619 | static int | |
d0cea5f9 | 3620 | read_ref(char *id, int idlen, char *name, int namelen) |
c34d9c9f | 3621 | { |
d0cea5f9 JF |
3622 | struct ref *ref; |
3623 | bool tag = FALSE; | |
e15ec88e | 3624 | bool remote = FALSE; |
d0cea5f9 | 3625 | |
8b0297ae JF |
3626 | if (!strncmp(name, "refs/tags/", STRING_SIZE("refs/tags/"))) { |
3627 | /* Commits referenced by tags has "^{}" appended. */ | |
3628 | if (name[namelen - 1] != '}') | |
3629 | return OK; | |
3630 | ||
d0cea5f9 JF |
3631 | while (namelen > 0 && name[namelen] != '^') |
3632 | namelen--; | |
c34d9c9f | 3633 | |
d0cea5f9 | 3634 | tag = TRUE; |
8b0297ae JF |
3635 | namelen -= STRING_SIZE("refs/tags/"); |
3636 | name += STRING_SIZE("refs/tags/"); | |
c34d9c9f | 3637 | |
e15ec88e JF |
3638 | } else if (!strncmp(name, "refs/remotes/", STRING_SIZE("refs/remotes/"))) { |
3639 | remote = TRUE; | |
3640 | namelen -= STRING_SIZE("refs/remotes/"); | |
3641 | name += STRING_SIZE("refs/remotes/"); | |
3642 | ||
d0cea5f9 | 3643 | } else if (!strncmp(name, "refs/heads/", STRING_SIZE("refs/heads/"))) { |
8b0297ae JF |
3644 | namelen -= STRING_SIZE("refs/heads/"); |
3645 | name += STRING_SIZE("refs/heads/"); | |
c34d9c9f | 3646 | |
d0cea5f9 JF |
3647 | } else if (!strcmp(name, "HEAD")) { |
3648 | return OK; | |
3649 | } | |
6706b2ba | 3650 | |
d0cea5f9 JF |
3651 | refs = realloc(refs, sizeof(*refs) * (refs_size + 1)); |
3652 | if (!refs) | |
3653 | return ERR; | |
c34d9c9f | 3654 | |
d0cea5f9 | 3655 | ref = &refs[refs_size++]; |
8b0297ae | 3656 | ref->name = malloc(namelen + 1); |
d0cea5f9 JF |
3657 | if (!ref->name) |
3658 | return ERR; | |
3af8774e | 3659 | |
8b0297ae JF |
3660 | strncpy(ref->name, name, namelen); |
3661 | ref->name[namelen] = 0; | |
d0cea5f9 | 3662 | ref->tag = tag; |
e15ec88e | 3663 | ref->remote = remote; |
2463b4ea | 3664 | string_copy_rev(ref->id, id); |
3af8774e | 3665 | |
d0cea5f9 JF |
3666 | return OK; |
3667 | } | |
c34d9c9f | 3668 | |
d0cea5f9 JF |
3669 | static int |
3670 | load_refs(void) | |
3671 | { | |
3672 | const char *cmd_env = getenv("TIG_LS_REMOTE"); | |
3673 | const char *cmd = cmd_env && *cmd_env ? cmd_env : TIG_LS_REMOTE; | |
c34d9c9f | 3674 | |
4a63c884 | 3675 | return read_properties(popen(cmd, "r"), "\t", read_ref); |
d0cea5f9 | 3676 | } |
c34d9c9f | 3677 | |
d0cea5f9 | 3678 | static int |
14c778a6 | 3679 | read_repo_config_option(char *name, int namelen, char *value, int valuelen) |
d0cea5f9 | 3680 | { |
22913179 | 3681 | if (!strcmp(name, "i18n.commitencoding")) |
d0cea5f9 | 3682 | string_copy(opt_encoding, value); |
c34d9c9f | 3683 | |
c34d9c9f JF |
3684 | return OK; |
3685 | } | |
3686 | ||
4670cf89 | 3687 | static int |
14c778a6 | 3688 | load_repo_config(void) |
4670cf89 | 3689 | { |
66749723 | 3690 | return read_properties(popen("git repo-config --list", "r"), |
14c778a6 | 3691 | "=", read_repo_config_option); |
d0cea5f9 JF |
3692 | } |
3693 | ||
3694 | static int | |
4a63c884 | 3695 | read_properties(FILE *pipe, const char *separators, |
d0cea5f9 JF |
3696 | int (*read_property)(char *, int, char *, int)) |
3697 | { | |
4670cf89 JF |
3698 | char buffer[BUFSIZ]; |
3699 | char *name; | |
d0cea5f9 | 3700 | int state = OK; |
4670cf89 JF |
3701 | |
3702 | if (!pipe) | |
3703 | return ERR; | |
3704 | ||
d0cea5f9 | 3705 | while (state == OK && (name = fgets(buffer, sizeof(buffer), pipe))) { |
4a63c884 JF |
3706 | char *value; |
3707 | size_t namelen; | |
3708 | size_t valuelen; | |
4670cf89 | 3709 | |
4a63c884 JF |
3710 | name = chomp_string(name); |
3711 | namelen = strcspn(name, separators); | |
3712 | ||
3713 | if (name[namelen]) { | |
3714 | name[namelen] = 0; | |
3715 | value = chomp_string(name + namelen + 1); | |
d0cea5f9 | 3716 | valuelen = strlen(value); |
4670cf89 | 3717 | |
d0cea5f9 | 3718 | } else { |
d0cea5f9 JF |
3719 | value = ""; |
3720 | valuelen = 0; | |
4670cf89 | 3721 | } |
d0cea5f9 | 3722 | |
3c3801c2 | 3723 | state = read_property(name, namelen, value, valuelen); |
4670cf89 JF |
3724 | } |
3725 | ||
d0cea5f9 JF |
3726 | if (state != ERR && ferror(pipe)) |
3727 | state = ERR; | |
4670cf89 JF |
3728 | |
3729 | pclose(pipe); | |
3730 | ||
d0cea5f9 | 3731 | return state; |
4670cf89 JF |
3732 | } |
3733 | ||
d0cea5f9 | 3734 | |
6b161b31 JF |
3735 | /* |
3736 | * Main | |
3737 | */ | |
3738 | ||
b5c9e67f | 3739 | static void __NORETURN |
6b161b31 JF |
3740 | quit(int sig) |
3741 | { | |
8855ada4 JF |
3742 | /* XXX: Restore tty modes and let the OS cleanup the rest! */ |
3743 | if (cursed) | |
3744 | endwin(); | |
6b161b31 JF |
3745 | exit(0); |
3746 | } | |
3747 | ||
c6704a4e JF |
3748 | static void __NORETURN |
3749 | die(const char *err, ...) | |
6b161b31 JF |
3750 | { |
3751 | va_list args; | |
3752 | ||
3753 | endwin(); | |
3754 | ||
3755 | va_start(args, err); | |
3756 | fputs("tig: ", stderr); | |
3757 | vfprintf(stderr, err, args); | |
3758 | fputs("\n", stderr); | |
3759 | va_end(args); | |
3760 | ||
3761 | exit(1); | |
3762 | } | |
3763 | ||
3764 | int | |
3765 | main(int argc, char *argv[]) | |
3766 | { | |
1ba2ae4b | 3767 | struct view *view; |
6b161b31 | 3768 | enum request request; |
1ba2ae4b | 3769 | size_t i; |
6b161b31 JF |
3770 | |
3771 | signal(SIGINT, quit); | |
3772 | ||
6b68fd24 JF |
3773 | if (setlocale(LC_ALL, "")) { |
3774 | string_copy(opt_codeset, nl_langinfo(CODESET)); | |
3775 | } | |
3776 | ||
660e09ad JF |
3777 | if (load_options() == ERR) |
3778 | die("Failed to load user config."); | |
3779 | ||
3780 | /* Load the repo config file so options can be overwritten from | |
afdc35b3 | 3781 | * the command line. */ |
14c778a6 | 3782 | if (load_repo_config() == ERR) |
afdc35b3 JF |
3783 | die("Failed to load repo config."); |
3784 | ||
8855ada4 | 3785 | if (!parse_options(argc, argv)) |
6b161b31 JF |
3786 | return 0; |
3787 | ||
6b68fd24 JF |
3788 | if (*opt_codeset && strcmp(opt_codeset, opt_encoding)) { |
3789 | opt_iconv = iconv_open(opt_codeset, opt_encoding); | |
20f4b4a3 | 3790 | if (opt_iconv == ICONV_NONE) |
6b68fd24 JF |
3791 | die("Failed to initialize character set conversion"); |
3792 | } | |
3793 | ||
c34d9c9f JF |
3794 | if (load_refs() == ERR) |
3795 | die("Failed to load refs."); | |
3796 | ||
7bb55251 JF |
3797 | /* Require a git repository unless when running in pager mode. */ |
3798 | if (refs_size == 0 && opt_request != REQ_VIEW_PAGER) | |
3799 | die("Not a git repository"); | |
3800 | ||
1ba2ae4b JF |
3801 | for (i = 0; i < ARRAY_SIZE(views) && (view = &views[i]); i++) |
3802 | view->cmd_env = getenv(view->cmd_env); | |
3803 | ||
6b161b31 JF |
3804 | request = opt_request; |
3805 | ||
3806 | init_display(); | |
b801d8b2 JF |
3807 | |
3808 | while (view_driver(display[current_view], request)) { | |
6b161b31 | 3809 | int key; |
b801d8b2 JF |
3810 | int i; |
3811 | ||
699ae55b | 3812 | foreach_view (view, i) |
6b161b31 | 3813 | update_view(view); |
b801d8b2 JF |
3814 | |
3815 | /* Refresh, accept single keystroke of input */ | |
6b161b31 | 3816 | key = wgetch(status_win); |
04e2b7b2 | 3817 | |
cf4d82e6 JF |
3818 | /* wgetch() with nodelay() enabled returns ERR when there's no |
3819 | * input. */ | |
3820 | if (key == ERR) { | |
3821 | request = REQ_NONE; | |
8b534a13 | 3822 | continue; |
cf4d82e6 | 3823 | } |
04e2b7b2 JF |
3824 | |
3825 | request = get_keybinding(display[current_view]->keymap, key); | |
03a93dbb | 3826 | |
6706b2ba | 3827 | /* Some low-level request handling. This keeps access to |
fac7db6c JF |
3828 | * status_win restricted. */ |
3829 | switch (request) { | |
3830 | case REQ_PROMPT: | |
9e21ce5c JF |
3831 | { |
3832 | char *cmd = read_prompt(":"); | |
3833 | ||
3834 | if (cmd && string_format(opt_cmd, "git %s", cmd)) { | |
3835 | if (strncmp(cmd, "show", 4) && isspace(cmd[4])) { | |
3836 | opt_request = REQ_VIEW_DIFF; | |
3837 | } else { | |
3838 | opt_request = REQ_VIEW_PAGER; | |
3839 | } | |
3840 | break; | |
3841 | } | |
fac7db6c | 3842 | |
1d754561 | 3843 | request = REQ_NONE; |
9e21ce5c JF |
3844 | break; |
3845 | } | |
4af34daa JF |
3846 | case REQ_SEARCH: |
3847 | case REQ_SEARCH_BACK: | |
3848 | { | |
3849 | const char *prompt = request == REQ_SEARCH | |
3850 | ? "/" : "?"; | |
3851 | char *search = read_prompt(prompt); | |
3852 | ||
3853 | if (search) | |
3854 | string_copy(opt_search, search); | |
3855 | else | |
3856 | request = REQ_NONE; | |
3857 | break; | |
3858 | } | |
fac7db6c JF |
3859 | case REQ_SCREEN_RESIZE: |
3860 | { | |
3861 | int height, width; | |
3862 | ||
3863 | getmaxyx(stdscr, height, width); | |
3864 | ||
3865 | /* Resize the status view and let the view driver take | |
3866 | * care of resizing the displayed views. */ | |
3867 | wresize(status_win, 1, width); | |
3868 | mvwin(status_win, height - 1, 0); | |
3869 | wrefresh(status_win); | |
3870 | break; | |
3871 | } | |
3872 | default: | |
3873 | break; | |
03a93dbb | 3874 | } |
b801d8b2 JF |
3875 | } |
3876 | ||
3877 | quit(0); | |
3878 | ||
3879 | return 0; | |
3880 | } |