Commit | Line | Data |
---|---|---|
53924375 | 1 | /* Copyright (c) 2006-2007 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 | |
776bf2ac JF |
14 | #ifdef HAVE_CONFIG_H |
15 | #include "config.h" | |
16 | #endif | |
17 | ||
ec31d0d0 SG |
18 | #ifndef TIG_VERSION |
19 | #define TIG_VERSION "unknown-version" | |
b76c2afc JF |
20 | #endif |
21 | ||
8855ada4 JF |
22 | #ifndef DEBUG |
23 | #define NDEBUG | |
24 | #endif | |
25 | ||
22f66b0a | 26 | #include <assert.h> |
4c6fabc2 | 27 | #include <errno.h> |
22f66b0a JF |
28 | #include <ctype.h> |
29 | #include <signal.h> | |
b801d8b2 | 30 | #include <stdarg.h> |
b801d8b2 | 31 | #include <stdio.h> |
22f66b0a | 32 | #include <stdlib.h> |
b801d8b2 | 33 | #include <string.h> |
810f0078 JF |
34 | #include <sys/types.h> |
35 | #include <sys/stat.h> | |
6908bdbd | 36 | #include <unistd.h> |
b76c2afc | 37 | #include <time.h> |
b801d8b2 | 38 | |
4af34daa JF |
39 | #include <regex.h> |
40 | ||
6b68fd24 JF |
41 | #include <locale.h> |
42 | #include <langinfo.h> | |
43 | #include <iconv.h> | |
44 | ||
b801d8b2 | 45 | #include <curses.h> |
b801d8b2 | 46 | |
e2da526d JF |
47 | #if __GNUC__ >= 3 |
48 | #define __NORETURN __attribute__((__noreturn__)) | |
49 | #else | |
50 | #define __NORETURN | |
51 | #endif | |
52 | ||
53 | static void __NORETURN die(const char *err, ...); | |
b801d8b2 | 54 | static void report(const char *msg, ...); |
5699e0cf | 55 | static int read_properties(FILE *pipe, const char *separators, int (*read)(char *, size_t, char *, size_t)); |
1ba2ae4b | 56 | static void set_nonblocking_input(bool loading); |
10e290ee | 57 | static size_t utf8_length(const char *string, size_t max_width, int *coloffset, int *trimmed); |
6b161b31 JF |
58 | |
59 | #define ABS(x) ((x) >= 0 ? (x) : -(x)) | |
60 | #define MIN(x, y) ((x) < (y) ? (x) : (y)) | |
61 | ||
62 | #define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0])) | |
63 | #define STRING_SIZE(x) (sizeof(x) - 1) | |
b76c2afc | 64 | |
17482b11 | 65 | #define SIZEOF_STR 1024 /* Default string size. */ |
2e8488b4 | 66 | #define SIZEOF_REF 256 /* Size of symbolic or SHA1 ID. */ |
10446330 | 67 | #define SIZEOF_REV 41 /* Holds a SHA-1 and an ending NUL */ |
c8d60a25 JF |
68 | |
69 | /* Revision graph */ | |
70 | ||
71 | #define REVGRAPH_INIT 'I' | |
72 | #define REVGRAPH_MERGE 'M' | |
73 | #define REVGRAPH_BRANCH '+' | |
74 | #define REVGRAPH_COMMIT '*' | |
75 | #define REVGRAPH_LINE '|' | |
76 | ||
54efb62b | 77 | #define SIZEOF_REVGRAPH 19 /* Size of revision ancestry graphics. */ |
b801d8b2 | 78 | |
82e78006 JF |
79 | /* This color name can be used to refer to the default term colors. */ |
80 | #define COLOR_DEFAULT (-1) | |
78c70acd | 81 | |
6b68fd24 JF |
82 | #define ICONV_NONE ((iconv_t) -1) |
83 | ||
82e78006 | 84 | /* The format and size of the date column in the main view. */ |
4c6fabc2 | 85 | #define DATE_FORMAT "%Y-%m-%d %H:%M" |
6b161b31 | 86 | #define DATE_COLS STRING_SIZE("2006-04-29 14:21 ") |
4c6fabc2 | 87 | |
10e290ee JF |
88 | #define AUTHOR_COLS 20 |
89 | ||
a28bcc22 | 90 | /* The default interval between line numbers. */ |
4a2909a7 | 91 | #define NUMBER_INTERVAL 1 |
82e78006 | 92 | |
6706b2ba JF |
93 | #define TABSIZE 8 |
94 | ||
a28bcc22 JF |
95 | #define SCALE_SPLIT_VIEW(height) ((height) * 2 / 3) |
96 | ||
96e58f5b | 97 | #ifndef GIT_CONFIG |
da633326 | 98 | #define GIT_CONFIG "git config" |
96e58f5b JF |
99 | #endif |
100 | ||
8eb62770 | 101 | #define TIG_LS_REMOTE \ |
337d7377 | 102 | "git ls-remote $(git rev-parse --git-dir) 2>/dev/null" |
8eb62770 JF |
103 | |
104 | #define TIG_DIFF_CMD \ | |
73fb51d5 | 105 | "git show --root --patch-with-stat --find-copies-harder -B -C %s 2>/dev/null" |
8eb62770 JF |
106 | |
107 | #define TIG_LOG_CMD \ | |
8fee6614 | 108 | "git log --cc --stat -n100 %s 2>/dev/null" |
8eb62770 JF |
109 | |
110 | #define TIG_MAIN_CMD \ | |
8fee6614 | 111 | "git log --topo-order --pretty=raw %s 2>/dev/null" |
8eb62770 | 112 | |
e733ee54 JF |
113 | #define TIG_TREE_CMD \ |
114 | "git ls-tree %s %s" | |
115 | ||
116 | #define TIG_BLOB_CMD \ | |
117 | "git cat-file blob %s" | |
118 | ||
8eb62770 JF |
119 | /* XXX: Needs to be defined to the empty string. */ |
120 | #define TIG_HELP_CMD "" | |
121 | #define TIG_PAGER_CMD "" | |
173d76ea | 122 | #define TIG_STATUS_CMD "" |
3e634113 | 123 | #define TIG_STAGE_CMD "" |
8eb62770 | 124 | |
8855ada4 | 125 | /* Some ascii-shorthands fitted into the ncurses namespace. */ |
a28bcc22 JF |
126 | #define KEY_TAB '\t' |
127 | #define KEY_RETURN '\r' | |
4a2909a7 JF |
128 | #define KEY_ESC 27 |
129 | ||
6706b2ba | 130 | |
c34d9c9f | 131 | struct ref { |
468876c9 | 132 | char *name; /* Ref name; tag or head names are shortened. */ |
10446330 | 133 | char id[SIZEOF_REV]; /* Commit SHA1 ID */ |
468876c9 | 134 | unsigned int tag:1; /* Is it a tag? */ |
e15ec88e | 135 | unsigned int remote:1; /* Is it a remote ref? */ |
468876c9 | 136 | unsigned int next:1; /* For ref lists: are there more refs? */ |
c34d9c9f JF |
137 | }; |
138 | ||
ff26aa29 | 139 | static struct ref **get_refs(char *id); |
4c6fabc2 | 140 | |
660e09ad JF |
141 | struct int_map { |
142 | const char *name; | |
143 | int namelen; | |
144 | int value; | |
145 | }; | |
146 | ||
147 | static int | |
148 | set_from_int_map(struct int_map *map, size_t map_size, | |
149 | int *value, const char *name, int namelen) | |
150 | { | |
151 | ||
152 | int i; | |
153 | ||
154 | for (i = 0; i < map_size; i++) | |
155 | if (namelen == map[i].namelen && | |
156 | !strncasecmp(name, map[i].name, namelen)) { | |
157 | *value = map[i].value; | |
158 | return OK; | |
159 | } | |
160 | ||
161 | return ERR; | |
162 | } | |
163 | ||
6706b2ba | 164 | |
03a93dbb JF |
165 | /* |
166 | * String helpers | |
167 | */ | |
78c70acd | 168 | |
82e78006 | 169 | static inline void |
9a48919b | 170 | string_ncopy_do(char *dst, size_t dstlen, const char *src, size_t srclen) |
82e78006 | 171 | { |
9a48919b JF |
172 | if (srclen > dstlen - 1) |
173 | srclen = dstlen - 1; | |
03a93dbb | 174 | |
9a48919b JF |
175 | strncpy(dst, src, srclen); |
176 | dst[srclen] = 0; | |
82e78006 JF |
177 | } |
178 | ||
9a48919b JF |
179 | /* Shorthands for safely copying into a fixed buffer. */ |
180 | ||
82e78006 | 181 | #define string_copy(dst, src) \ |
751e27c9 | 182 | string_ncopy_do(dst, sizeof(dst), src, sizeof(src)) |
9a48919b JF |
183 | |
184 | #define string_ncopy(dst, src, srclen) \ | |
185 | string_ncopy_do(dst, sizeof(dst), src, srclen) | |
82e78006 | 186 | |
2463b4ea JF |
187 | #define string_copy_rev(dst, src) \ |
188 | string_ncopy_do(dst, SIZEOF_REV, src, SIZEOF_REV - 1) | |
189 | ||
91c5d983 JF |
190 | #define string_add(dst, from, src) \ |
191 | string_ncopy_do(dst + (from), sizeof(dst) - (from), src, sizeof(src)) | |
192 | ||
4a63c884 JF |
193 | static char * |
194 | chomp_string(char *name) | |
195 | { | |
196 | int namelen; | |
197 | ||
198 | while (isspace(*name)) | |
199 | name++; | |
200 | ||
201 | namelen = strlen(name) - 1; | |
202 | while (namelen > 0 && isspace(name[namelen])) | |
203 | name[namelen--] = 0; | |
204 | ||
205 | return name; | |
206 | } | |
207 | ||
cc2d1364 | 208 | static bool |
d65ced0d | 209 | string_nformat(char *buf, size_t bufsize, size_t *bufpos, const char *fmt, ...) |
cc2d1364 JF |
210 | { |
211 | va_list args; | |
d65ced0d | 212 | size_t pos = bufpos ? *bufpos : 0; |
cc2d1364 JF |
213 | |
214 | va_start(args, fmt); | |
215 | pos += vsnprintf(buf + pos, bufsize - pos, fmt, args); | |
216 | va_end(args); | |
217 | ||
218 | if (bufpos) | |
219 | *bufpos = pos; | |
220 | ||
221 | return pos >= bufsize ? FALSE : TRUE; | |
222 | } | |
223 | ||
224 | #define string_format(buf, fmt, args...) \ | |
225 | string_nformat(buf, sizeof(buf), NULL, fmt, args) | |
226 | ||
227 | #define string_format_from(buf, from, fmt, args...) \ | |
228 | string_nformat(buf, sizeof(buf), from, fmt, args) | |
6706b2ba | 229 | |
201f5a18 JF |
230 | static int |
231 | string_enum_compare(const char *str1, const char *str2, int len) | |
232 | { | |
233 | size_t i; | |
234 | ||
235 | #define string_enum_sep(x) ((x) == '-' || (x) == '_' || (x) == '.') | |
236 | ||
237 | /* Diff-Header == DIFF_HEADER */ | |
238 | for (i = 0; i < len; i++) { | |
239 | if (toupper(str1[i]) == toupper(str2[i])) | |
240 | continue; | |
241 | ||
242 | if (string_enum_sep(str1[i]) && | |
243 | string_enum_sep(str2[i])) | |
244 | continue; | |
245 | ||
246 | return str1[i] - str2[i]; | |
247 | } | |
248 | ||
249 | return 0; | |
250 | } | |
251 | ||
03a93dbb JF |
252 | /* Shell quoting |
253 | * | |
254 | * NOTE: The following is a slightly modified copy of the git project's shell | |
255 | * quoting routines found in the quote.c file. | |
256 | * | |
257 | * Help to copy the thing properly quoted for the shell safety. any single | |
258 | * quote is replaced with '\'', any exclamation point is replaced with '\!', | |
259 | * and the whole thing is enclosed in a | |
260 | * | |
261 | * E.g. | |
262 | * original sq_quote result | |
263 | * name ==> name ==> 'name' | |
264 | * a b ==> a b ==> 'a b' | |
265 | * a'b ==> a'\''b ==> 'a'\''b' | |
266 | * a!b ==> a'\!'b ==> 'a'\!'b' | |
267 | */ | |
268 | ||
269 | static size_t | |
17482b11 | 270 | sq_quote(char buf[SIZEOF_STR], size_t bufsize, const char *src) |
03a93dbb JF |
271 | { |
272 | char c; | |
273 | ||
17482b11 | 274 | #define BUFPUT(x) do { if (bufsize < SIZEOF_STR) buf[bufsize++] = (x); } while (0) |
03a93dbb JF |
275 | |
276 | BUFPUT('\''); | |
277 | while ((c = *src++)) { | |
278 | if (c == '\'' || c == '!') { | |
279 | BUFPUT('\''); | |
280 | BUFPUT('\\'); | |
281 | BUFPUT(c); | |
282 | BUFPUT('\''); | |
283 | } else { | |
284 | BUFPUT(c); | |
285 | } | |
286 | } | |
287 | BUFPUT('\''); | |
288 | ||
f0f114ac JF |
289 | if (bufsize < SIZEOF_STR) |
290 | buf[bufsize] = 0; | |
291 | ||
03a93dbb JF |
292 | return bufsize; |
293 | } | |
294 | ||
82e78006 | 295 | |
24b5b3e0 JF |
296 | /* |
297 | * User requests | |
298 | */ | |
299 | ||
300 | #define REQ_INFO \ | |
301 | /* XXX: Keep the view request first and in sync with views[]. */ \ | |
302 | REQ_GROUP("View switching") \ | |
303 | REQ_(VIEW_MAIN, "Show main view"), \ | |
304 | REQ_(VIEW_DIFF, "Show diff view"), \ | |
305 | REQ_(VIEW_LOG, "Show log view"), \ | |
e733ee54 JF |
306 | REQ_(VIEW_TREE, "Show tree view"), \ |
307 | REQ_(VIEW_BLOB, "Show blob view"), \ | |
24b5b3e0 JF |
308 | REQ_(VIEW_HELP, "Show help page"), \ |
309 | REQ_(VIEW_PAGER, "Show pager view"), \ | |
173d76ea | 310 | REQ_(VIEW_STATUS, "Show status view"), \ |
3e634113 | 311 | REQ_(VIEW_STAGE, "Show stage view"), \ |
24b5b3e0 JF |
312 | \ |
313 | REQ_GROUP("View manipulation") \ | |
314 | REQ_(ENTER, "Enter current line and scroll"), \ | |
315 | REQ_(NEXT, "Move to next"), \ | |
316 | REQ_(PREVIOUS, "Move to previous"), \ | |
317 | REQ_(VIEW_NEXT, "Move focus to next view"), \ | |
318 | REQ_(VIEW_CLOSE, "Close the current view"), \ | |
319 | REQ_(QUIT, "Close all views and quit"), \ | |
320 | \ | |
321 | REQ_GROUP("Cursor navigation") \ | |
322 | REQ_(MOVE_UP, "Move cursor one line up"), \ | |
323 | REQ_(MOVE_DOWN, "Move cursor one line down"), \ | |
324 | REQ_(MOVE_PAGE_DOWN, "Move cursor one page down"), \ | |
325 | REQ_(MOVE_PAGE_UP, "Move cursor one page up"), \ | |
326 | REQ_(MOVE_FIRST_LINE, "Move cursor to first line"), \ | |
327 | REQ_(MOVE_LAST_LINE, "Move cursor to last line"), \ | |
328 | \ | |
329 | REQ_GROUP("Scrolling") \ | |
330 | REQ_(SCROLL_LINE_UP, "Scroll one line up"), \ | |
331 | REQ_(SCROLL_LINE_DOWN, "Scroll one line down"), \ | |
332 | REQ_(SCROLL_PAGE_UP, "Scroll one page up"), \ | |
333 | REQ_(SCROLL_PAGE_DOWN, "Scroll one page down"), \ | |
334 | \ | |
4af34daa JF |
335 | REQ_GROUP("Searching") \ |
336 | REQ_(SEARCH, "Search the view"), \ | |
337 | REQ_(SEARCH_BACK, "Search backwards in the view"), \ | |
338 | REQ_(FIND_NEXT, "Find next search match"), \ | |
339 | REQ_(FIND_PREV, "Find previous search match"), \ | |
340 | \ | |
24b5b3e0 | 341 | REQ_GROUP("Misc") \ |
1d754561 | 342 | REQ_(NONE, "Do nothing"), \ |
24b5b3e0 | 343 | REQ_(PROMPT, "Bring up the prompt"), \ |
24b5b3e0 JF |
344 | REQ_(SCREEN_REDRAW, "Redraw the screen"), \ |
345 | REQ_(SCREEN_RESIZE, "Resize the screen"), \ | |
346 | REQ_(SHOW_VERSION, "Show version information"), \ | |
347 | REQ_(STOP_LOADING, "Stop all loading views"), \ | |
54efb62b | 348 | REQ_(TOGGLE_LINENO, "Toggle line numbers"), \ |
ca1d71ea | 349 | REQ_(TOGGLE_REV_GRAPH, "Toggle revision graph visualization"), \ |
0cea0d43 JF |
350 | REQ_(STATUS_UPDATE, "Update file status"), \ |
351 | REQ_(EDIT, "Open in editor") | |
24b5b3e0 JF |
352 | |
353 | ||
354 | /* User action requests. */ | |
355 | enum request { | |
356 | #define REQ_GROUP(help) | |
357 | #define REQ_(req, help) REQ_##req | |
358 | ||
359 | /* Offset all requests to avoid conflicts with ncurses getch values. */ | |
360 | REQ_OFFSET = KEY_MAX + 1, | |
04e2b7b2 JF |
361 | REQ_INFO, |
362 | REQ_UNKNOWN, | |
24b5b3e0 JF |
363 | |
364 | #undef REQ_GROUP | |
365 | #undef REQ_ | |
366 | }; | |
367 | ||
368 | struct request_info { | |
369 | enum request request; | |
04e2b7b2 JF |
370 | char *name; |
371 | int namelen; | |
24b5b3e0 JF |
372 | char *help; |
373 | }; | |
374 | ||
375 | static struct request_info req_info[] = { | |
04e2b7b2 JF |
376 | #define REQ_GROUP(help) { 0, NULL, 0, (help) }, |
377 | #define REQ_(req, help) { REQ_##req, (#req), STRING_SIZE(#req), (help) } | |
24b5b3e0 JF |
378 | REQ_INFO |
379 | #undef REQ_GROUP | |
380 | #undef REQ_ | |
381 | }; | |
382 | ||
04e2b7b2 JF |
383 | static enum request |
384 | get_request(const char *name) | |
385 | { | |
386 | int namelen = strlen(name); | |
387 | int i; | |
388 | ||
389 | for (i = 0; i < ARRAY_SIZE(req_info); i++) | |
390 | if (req_info[i].namelen == namelen && | |
391 | !string_enum_compare(req_info[i].name, name, namelen)) | |
392 | return req_info[i].request; | |
393 | ||
394 | return REQ_UNKNOWN; | |
395 | } | |
396 | ||
397 | ||
8eb62770 JF |
398 | /* |
399 | * Options | |
400 | */ | |
b76c2afc | 401 | |
4b8c01a3 | 402 | static const char usage[] = |
ec31d0d0 | 403 | "tig " TIG_VERSION " (" __DATE__ ")\n" |
4b8c01a3 JF |
404 | "\n" |
405 | "Usage: tig [options]\n" | |
406 | " or: tig [options] [--] [git log options]\n" | |
407 | " or: tig [options] log [git log options]\n" | |
408 | " or: tig [options] diff [git diff options]\n" | |
409 | " or: tig [options] show [git show options]\n" | |
410 | " or: tig [options] < [git command output]\n" | |
411 | "\n" | |
412 | "Options:\n" | |
413 | " -l Start up in log view\n" | |
414 | " -d Start up in diff view\n" | |
173d76ea | 415 | " -S Start up in status view\n" |
4b8c01a3 | 416 | " -n[I], --line-number[=I] Show line numbers with given interval\n" |
b3c965c9 | 417 | " -b[N], --tab-size[=N] Set number of spaces for tab expansion\n" |
4b8c01a3 JF |
418 | " -- Mark end of tig options\n" |
419 | " -v, --version Show version and exit\n" | |
420 | " -h, --help Show help message and exit\n"; | |
421 | ||
6706b2ba | 422 | /* Option and state variables. */ |
92d30f5c | 423 | static bool opt_line_number = FALSE; |
11ce319e | 424 | static bool opt_rev_graph = FALSE; |
92d30f5c JF |
425 | static int opt_num_interval = NUMBER_INTERVAL; |
426 | static int opt_tab_size = TABSIZE; | |
427 | static enum request opt_request = REQ_VIEW_MAIN; | |
428 | static char opt_cmd[SIZEOF_STR] = ""; | |
e733ee54 | 429 | static char opt_path[SIZEOF_STR] = ""; |
92d30f5c JF |
430 | static FILE *opt_pipe = NULL; |
431 | static char opt_encoding[20] = "UTF-8"; | |
432 | static bool opt_utf8 = TRUE; | |
433 | static char opt_codeset[20] = "UTF-8"; | |
434 | static iconv_t opt_iconv = ICONV_NONE; | |
435 | static char opt_search[SIZEOF_STR] = ""; | |
91c5d983 | 436 | static char opt_cdup[SIZEOF_STR] = ""; |
810f0078 | 437 | static char opt_git_dir[SIZEOF_STR] = ""; |
0cea0d43 | 438 | static char opt_editor[SIZEOF_STR] = ""; |
b76c2afc | 439 | |
6dbf6c19 JF |
440 | enum option_type { |
441 | OPT_NONE, | |
442 | OPT_INT, | |
443 | }; | |
444 | ||
445 | static bool | |
446 | check_option(char *opt, char short_name, char *name, enum option_type type, ...) | |
447 | { | |
448 | va_list args; | |
449 | char *value = ""; | |
450 | int *number; | |
451 | ||
452 | if (opt[0] != '-') | |
453 | return FALSE; | |
454 | ||
455 | if (opt[1] == '-') { | |
456 | int namelen = strlen(name); | |
457 | ||
458 | opt += 2; | |
459 | ||
460 | if (strncmp(opt, name, namelen)) | |
461 | return FALSE; | |
462 | ||
463 | if (opt[namelen] == '=') | |
464 | value = opt + namelen + 1; | |
465 | ||
466 | } else { | |
467 | if (!short_name || opt[1] != short_name) | |
468 | return FALSE; | |
469 | value = opt + 2; | |
470 | } | |
471 | ||
472 | va_start(args, type); | |
473 | if (type == OPT_INT) { | |
474 | number = va_arg(args, int *); | |
475 | if (isdigit(*value)) | |
476 | *number = atoi(value); | |
477 | } | |
478 | va_end(args); | |
479 | ||
480 | return TRUE; | |
481 | } | |
482 | ||
b76c2afc | 483 | /* Returns the index of log or diff command or -1 to exit. */ |
8855ada4 | 484 | static bool |
b76c2afc JF |
485 | parse_options(int argc, char *argv[]) |
486 | { | |
487 | int i; | |
488 | ||
489 | for (i = 1; i < argc; i++) { | |
490 | char *opt = argv[i]; | |
491 | ||
3621d94e JF |
492 | if (!strcmp(opt, "log") || |
493 | !strcmp(opt, "diff") || | |
494 | !strcmp(opt, "show")) { | |
495 | opt_request = opt[0] == 'l' | |
496 | ? REQ_VIEW_LOG : REQ_VIEW_DIFF; | |
497 | break; | |
498 | } | |
499 | ||
8d27b36e JF |
500 | if (opt[0] && opt[0] != '-') |
501 | break; | |
502 | ||
6b161b31 | 503 | if (!strcmp(opt, "-l")) { |
4a2909a7 | 504 | opt_request = REQ_VIEW_LOG; |
6b161b31 JF |
505 | continue; |
506 | } | |
b76c2afc | 507 | |
6b161b31 | 508 | if (!strcmp(opt, "-d")) { |
4a2909a7 | 509 | opt_request = REQ_VIEW_DIFF; |
6b161b31 JF |
510 | continue; |
511 | } | |
b76c2afc | 512 | |
173d76ea JF |
513 | if (!strcmp(opt, "-S")) { |
514 | opt_request = REQ_VIEW_STATUS; | |
bdcc0d6b | 515 | continue; |
173d76ea JF |
516 | } |
517 | ||
6dbf6c19 | 518 | if (check_option(opt, 'n', "line-number", OPT_INT, &opt_num_interval)) { |
6b161b31 JF |
519 | opt_line_number = TRUE; |
520 | continue; | |
521 | } | |
b76c2afc | 522 | |
6dbf6c19 JF |
523 | if (check_option(opt, 'b', "tab-size", OPT_INT, &opt_tab_size)) { |
524 | opt_tab_size = MIN(opt_tab_size, TABSIZE); | |
6706b2ba JF |
525 | continue; |
526 | } | |
527 | ||
6dbf6c19 | 528 | if (check_option(opt, 'v', "version", OPT_NONE)) { |
ec31d0d0 | 529 | printf("tig version %s\n", TIG_VERSION); |
8855ada4 | 530 | return FALSE; |
6b161b31 | 531 | } |
b76c2afc | 532 | |
6dbf6c19 | 533 | if (check_option(opt, 'h', "help", OPT_NONE)) { |
4b8c01a3 JF |
534 | printf(usage); |
535 | return FALSE; | |
536 | } | |
537 | ||
6908bdbd JF |
538 | if (!strcmp(opt, "--")) { |
539 | i++; | |
540 | break; | |
541 | } | |
03a93dbb | 542 | |
bf174187 | 543 | die("unknown option '%s'\n\n%s", opt, usage); |
b76c2afc JF |
544 | } |
545 | ||
6908bdbd | 546 | if (!isatty(STDIN_FILENO)) { |
6908bdbd JF |
547 | opt_request = REQ_VIEW_PAGER; |
548 | opt_pipe = stdin; | |
549 | ||
550 | } else if (i < argc) { | |
551 | size_t buf_size; | |
552 | ||
6908bdbd | 553 | if (opt_request == REQ_VIEW_MAIN) |
8855ada4 JF |
554 | /* XXX: This is vulnerable to the user overriding |
555 | * options required for the main view parser. */ | |
832a47c4 | 556 | string_copy(opt_cmd, "git log --pretty=raw"); |
6908bdbd JF |
557 | else |
558 | string_copy(opt_cmd, "git"); | |
559 | buf_size = strlen(opt_cmd); | |
560 | ||
561 | while (buf_size < sizeof(opt_cmd) && i < argc) { | |
562 | opt_cmd[buf_size++] = ' '; | |
563 | buf_size = sq_quote(opt_cmd, buf_size, argv[i++]); | |
564 | } | |
565 | ||
566 | if (buf_size >= sizeof(opt_cmd)) | |
567 | die("command too long"); | |
568 | ||
569 | opt_cmd[buf_size] = 0; | |
6908bdbd JF |
570 | } |
571 | ||
afdc35b3 JF |
572 | if (*opt_encoding && strcasecmp(opt_encoding, "UTF-8")) |
573 | opt_utf8 = FALSE; | |
574 | ||
8855ada4 | 575 | return TRUE; |
b76c2afc JF |
576 | } |
577 | ||
578 | ||
54efb62b JF |
579 | /* |
580 | * Line-oriented content detection. | |
581 | */ | |
582 | ||
2e8488b4 | 583 | #define LINE_INFO \ |
660e09ad | 584 | LINE(DIFF_HEADER, "diff --git ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ |
a28bcc22 JF |
585 | LINE(DIFF_CHUNK, "@@", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
586 | LINE(DIFF_ADD, "+", COLOR_GREEN, COLOR_DEFAULT, 0), \ | |
587 | LINE(DIFF_DEL, "-", COLOR_RED, COLOR_DEFAULT, 0), \ | |
660e09ad JF |
588 | LINE(DIFF_INDEX, "index ", COLOR_BLUE, COLOR_DEFAULT, 0), \ |
589 | LINE(DIFF_OLDMODE, "old file mode ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
590 | LINE(DIFF_NEWMODE, "new file mode ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
591 | LINE(DIFF_COPY_FROM, "copy from", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
592 | LINE(DIFF_COPY_TO, "copy to", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
593 | LINE(DIFF_RENAME_FROM, "rename from", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
594 | LINE(DIFF_RENAME_TO, "rename to", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
595 | LINE(DIFF_SIMILARITY, "similarity ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
596 | LINE(DIFF_DISSIMILARITY,"dissimilarity ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
597 | LINE(DIFF_TREE, "diff-tree ", COLOR_BLUE, COLOR_DEFAULT, 0), \ | |
6908bdbd | 598 | LINE(PP_AUTHOR, "Author: ", COLOR_CYAN, COLOR_DEFAULT, 0), \ |
8855ada4 | 599 | LINE(PP_COMMIT, "Commit: ", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
6908bdbd JF |
600 | LINE(PP_MERGE, "Merge: ", COLOR_BLUE, COLOR_DEFAULT, 0), \ |
601 | LINE(PP_DATE, "Date: ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
8855ada4 JF |
602 | LINE(PP_ADATE, "AuthorDate: ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ |
603 | LINE(PP_CDATE, "CommitDate: ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
7b99a34c | 604 | LINE(PP_REFS, "Refs: ", COLOR_RED, COLOR_DEFAULT, 0), \ |
a28bcc22 JF |
605 | LINE(COMMIT, "commit ", COLOR_GREEN, COLOR_DEFAULT, 0), \ |
606 | LINE(PARENT, "parent ", COLOR_BLUE, COLOR_DEFAULT, 0), \ | |
607 | LINE(TREE, "tree ", COLOR_BLUE, COLOR_DEFAULT, 0), \ | |
8855ada4 | 608 | LINE(AUTHOR, "author ", COLOR_CYAN, COLOR_DEFAULT, 0), \ |
a28bcc22 | 609 | LINE(COMMITTER, "committer ", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
a28bcc22 | 610 | LINE(SIGNOFF, " Signed-off-by", COLOR_YELLOW, COLOR_DEFAULT, 0), \ |
d4d8de8f | 611 | LINE(ACKED, " Acked-by", COLOR_YELLOW, COLOR_DEFAULT, 0), \ |
a28bcc22 JF |
612 | LINE(DEFAULT, "", COLOR_DEFAULT, COLOR_DEFAULT, A_NORMAL), \ |
613 | LINE(CURSOR, "", COLOR_WHITE, COLOR_GREEN, A_BOLD), \ | |
614 | LINE(STATUS, "", COLOR_GREEN, COLOR_DEFAULT, 0), \ | |
6b161b31 JF |
615 | LINE(TITLE_BLUR, "", COLOR_WHITE, COLOR_BLUE, 0), \ |
616 | LINE(TITLE_FOCUS, "", COLOR_WHITE, COLOR_BLUE, A_BOLD), \ | |
a28bcc22 JF |
617 | LINE(MAIN_DATE, "", COLOR_BLUE, COLOR_DEFAULT, 0), \ |
618 | LINE(MAIN_AUTHOR, "", COLOR_GREEN, COLOR_DEFAULT, 0), \ | |
619 | LINE(MAIN_COMMIT, "", COLOR_DEFAULT, COLOR_DEFAULT, 0), \ | |
c34d9c9f JF |
620 | LINE(MAIN_DELIM, "", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
621 | LINE(MAIN_TAG, "", COLOR_MAGENTA, COLOR_DEFAULT, A_BOLD), \ | |
e15ec88e | 622 | LINE(MAIN_REMOTE, "", COLOR_YELLOW, COLOR_DEFAULT, A_BOLD), \ |
660e09ad | 623 | LINE(MAIN_REF, "", COLOR_CYAN, COLOR_DEFAULT, A_BOLD), \ |
e733ee54 | 624 | LINE(TREE_DIR, "", COLOR_DEFAULT, COLOR_DEFAULT, A_NORMAL), \ |
173d76ea | 625 | LINE(TREE_FILE, "", COLOR_DEFAULT, COLOR_DEFAULT, A_NORMAL), \ |
53924375 | 626 | LINE(STAT_SECTION, "", COLOR_CYAN, COLOR_DEFAULT, 0), \ |
173d76ea | 627 | LINE(STAT_NONE, "", COLOR_DEFAULT, COLOR_DEFAULT, 0), \ |
53924375 JF |
628 | LINE(STAT_STAGED, "", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
629 | LINE(STAT_UNSTAGED,"", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ | |
173d76ea | 630 | LINE(STAT_UNTRACKED,"", COLOR_MAGENTA, COLOR_DEFAULT, 0) |
660e09ad | 631 | |
78c70acd | 632 | enum line_type { |
2e8488b4 JF |
633 | #define LINE(type, line, fg, bg, attr) \ |
634 | LINE_##type | |
635 | LINE_INFO | |
636 | #undef LINE | |
78c70acd JF |
637 | }; |
638 | ||
639 | struct line_info { | |
660e09ad JF |
640 | const char *name; /* Option name. */ |
641 | int namelen; /* Size of option name. */ | |
4685845e | 642 | const char *line; /* The start of line to match. */ |
2e8488b4 JF |
643 | int linelen; /* Size of string to match. */ |
644 | int fg, bg, attr; /* Color and text attributes for the lines. */ | |
78c70acd JF |
645 | }; |
646 | ||
2e8488b4 | 647 | static struct line_info line_info[] = { |
78c70acd | 648 | #define LINE(type, line, fg, bg, attr) \ |
660e09ad | 649 | { #type, STRING_SIZE(#type), (line), STRING_SIZE(line), (fg), (bg), (attr) } |
2e8488b4 JF |
650 | LINE_INFO |
651 | #undef LINE | |
78c70acd JF |
652 | }; |
653 | ||
2e8488b4 JF |
654 | static enum line_type |
655 | get_line_type(char *line) | |
78c70acd JF |
656 | { |
657 | int linelen = strlen(line); | |
a28bcc22 | 658 | enum line_type type; |
78c70acd | 659 | |
a28bcc22 | 660 | for (type = 0; type < ARRAY_SIZE(line_info); type++) |
2e8488b4 | 661 | /* Case insensitive search matches Signed-off-by lines better. */ |
a28bcc22 JF |
662 | if (linelen >= line_info[type].linelen && |
663 | !strncasecmp(line_info[type].line, line, line_info[type].linelen)) | |
664 | return type; | |
78c70acd | 665 | |
2e8488b4 | 666 | return LINE_DEFAULT; |
78c70acd JF |
667 | } |
668 | ||
2e8488b4 | 669 | static inline int |
78c70acd JF |
670 | get_line_attr(enum line_type type) |
671 | { | |
2e8488b4 JF |
672 | assert(type < ARRAY_SIZE(line_info)); |
673 | return COLOR_PAIR(type) | line_info[type].attr; | |
78c70acd JF |
674 | } |
675 | ||
660e09ad JF |
676 | static struct line_info * |
677 | get_line_info(char *name, int namelen) | |
678 | { | |
679 | enum line_type type; | |
660e09ad JF |
680 | |
681 | for (type = 0; type < ARRAY_SIZE(line_info); type++) | |
682 | if (namelen == line_info[type].namelen && | |
201f5a18 | 683 | !string_enum_compare(line_info[type].name, name, namelen)) |
660e09ad JF |
684 | return &line_info[type]; |
685 | ||
686 | return NULL; | |
687 | } | |
688 | ||
78c70acd JF |
689 | static void |
690 | init_colors(void) | |
691 | { | |
82e78006 JF |
692 | int default_bg = COLOR_BLACK; |
693 | int default_fg = COLOR_WHITE; | |
a28bcc22 | 694 | enum line_type type; |
78c70acd JF |
695 | |
696 | start_color(); | |
697 | ||
698 | if (use_default_colors() != ERR) { | |
82e78006 JF |
699 | default_bg = -1; |
700 | default_fg = -1; | |
78c70acd JF |
701 | } |
702 | ||
a28bcc22 JF |
703 | for (type = 0; type < ARRAY_SIZE(line_info); type++) { |
704 | struct line_info *info = &line_info[type]; | |
82e78006 JF |
705 | int bg = info->bg == COLOR_DEFAULT ? default_bg : info->bg; |
706 | int fg = info->fg == COLOR_DEFAULT ? default_fg : info->fg; | |
78c70acd | 707 | |
a28bcc22 | 708 | init_pair(type, fg, bg); |
78c70acd JF |
709 | } |
710 | } | |
711 | ||
fe7233c3 JF |
712 | struct line { |
713 | enum line_type type; | |
3c571d67 JF |
714 | |
715 | /* State flags */ | |
716 | unsigned int selected:1; | |
717 | ||
fe7233c3 JF |
718 | void *data; /* User data */ |
719 | }; | |
720 | ||
78c70acd | 721 | |
1899507c | 722 | /* |
37157fa0 JF |
723 | * Keys |
724 | */ | |
725 | ||
93a97d86 | 726 | struct keybinding { |
37157fa0 | 727 | int alias; |
93a97d86 | 728 | enum request request; |
04e2b7b2 | 729 | struct keybinding *next; |
37157fa0 JF |
730 | }; |
731 | ||
93a97d86 | 732 | static struct keybinding default_keybindings[] = { |
37157fa0 JF |
733 | /* View switching */ |
734 | { 'm', REQ_VIEW_MAIN }, | |
735 | { 'd', REQ_VIEW_DIFF }, | |
736 | { 'l', REQ_VIEW_LOG }, | |
e733ee54 | 737 | { 't', REQ_VIEW_TREE }, |
0001fc34 | 738 | { 'f', REQ_VIEW_BLOB }, |
37157fa0 JF |
739 | { 'p', REQ_VIEW_PAGER }, |
740 | { 'h', REQ_VIEW_HELP }, | |
173d76ea | 741 | { 'S', REQ_VIEW_STATUS }, |
3e634113 | 742 | { 'c', REQ_VIEW_STAGE }, |
37157fa0 JF |
743 | |
744 | /* View manipulation */ | |
745 | { 'q', REQ_VIEW_CLOSE }, | |
746 | { KEY_TAB, REQ_VIEW_NEXT }, | |
747 | { KEY_RETURN, REQ_ENTER }, | |
748 | { KEY_UP, REQ_PREVIOUS }, | |
749 | { KEY_DOWN, REQ_NEXT }, | |
750 | ||
751 | /* Cursor navigation */ | |
752 | { 'k', REQ_MOVE_UP }, | |
753 | { 'j', REQ_MOVE_DOWN }, | |
754 | { KEY_HOME, REQ_MOVE_FIRST_LINE }, | |
755 | { KEY_END, REQ_MOVE_LAST_LINE }, | |
756 | { KEY_NPAGE, REQ_MOVE_PAGE_DOWN }, | |
757 | { ' ', REQ_MOVE_PAGE_DOWN }, | |
758 | { KEY_PPAGE, REQ_MOVE_PAGE_UP }, | |
759 | { 'b', REQ_MOVE_PAGE_UP }, | |
760 | { '-', REQ_MOVE_PAGE_UP }, | |
761 | ||
762 | /* Scrolling */ | |
763 | { KEY_IC, REQ_SCROLL_LINE_UP }, | |
764 | { KEY_DC, REQ_SCROLL_LINE_DOWN }, | |
765 | { 'w', REQ_SCROLL_PAGE_UP }, | |
766 | { 's', REQ_SCROLL_PAGE_DOWN }, | |
767 | ||
4af34daa JF |
768 | /* Searching */ |
769 | { '/', REQ_SEARCH }, | |
770 | { '?', REQ_SEARCH_BACK }, | |
771 | { 'n', REQ_FIND_NEXT }, | |
772 | { 'N', REQ_FIND_PREV }, | |
773 | ||
37157fa0 JF |
774 | /* Misc */ |
775 | { 'Q', REQ_QUIT }, | |
776 | { 'z', REQ_STOP_LOADING }, | |
777 | { 'v', REQ_SHOW_VERSION }, | |
778 | { 'r', REQ_SCREEN_REDRAW }, | |
904e68d8 | 779 | { '.', REQ_TOGGLE_LINENO }, |
73fb51d5 | 780 | { 'g', REQ_TOGGLE_REV_GRAPH }, |
37157fa0 | 781 | { ':', REQ_PROMPT }, |
ca1d71ea | 782 | { 'u', REQ_STATUS_UPDATE }, |
0cea0d43 | 783 | { 'e', REQ_EDIT }, |
37157fa0 | 784 | |
1d754561 | 785 | /* Using the ncurses SIGWINCH handler. */ |
37157fa0 JF |
786 | { KEY_RESIZE, REQ_SCREEN_RESIZE }, |
787 | }; | |
788 | ||
04e2b7b2 JF |
789 | #define KEYMAP_INFO \ |
790 | KEYMAP_(GENERIC), \ | |
791 | KEYMAP_(MAIN), \ | |
792 | KEYMAP_(DIFF), \ | |
793 | KEYMAP_(LOG), \ | |
e733ee54 JF |
794 | KEYMAP_(TREE), \ |
795 | KEYMAP_(BLOB), \ | |
04e2b7b2 | 796 | KEYMAP_(PAGER), \ |
173d76ea | 797 | KEYMAP_(HELP), \ |
3e634113 JF |
798 | KEYMAP_(STATUS), \ |
799 | KEYMAP_(STAGE) | |
04e2b7b2 JF |
800 | |
801 | enum keymap { | |
802 | #define KEYMAP_(name) KEYMAP_##name | |
803 | KEYMAP_INFO | |
804 | #undef KEYMAP_ | |
805 | }; | |
806 | ||
807 | static struct int_map keymap_table[] = { | |
808 | #define KEYMAP_(name) { #name, STRING_SIZE(#name), KEYMAP_##name } | |
809 | KEYMAP_INFO | |
810 | #undef KEYMAP_ | |
811 | }; | |
812 | ||
813 | #define set_keymap(map, name) \ | |
814 | set_from_int_map(keymap_table, ARRAY_SIZE(keymap_table), map, name, strlen(name)) | |
815 | ||
816 | static struct keybinding *keybindings[ARRAY_SIZE(keymap_table)]; | |
817 | ||
818 | static void | |
819 | add_keybinding(enum keymap keymap, enum request request, int key) | |
820 | { | |
821 | struct keybinding *keybinding; | |
822 | ||
823 | keybinding = calloc(1, sizeof(*keybinding)); | |
824 | if (!keybinding) | |
825 | die("Failed to allocate keybinding"); | |
826 | ||
827 | keybinding->alias = key; | |
828 | keybinding->request = request; | |
829 | keybinding->next = keybindings[keymap]; | |
830 | keybindings[keymap] = keybinding; | |
831 | } | |
832 | ||
833 | /* Looks for a key binding first in the given map, then in the generic map, and | |
834 | * lastly in the default keybindings. */ | |
37157fa0 | 835 | static enum request |
04e2b7b2 | 836 | get_keybinding(enum keymap keymap, int key) |
37157fa0 | 837 | { |
04e2b7b2 | 838 | struct keybinding *kbd; |
37157fa0 JF |
839 | int i; |
840 | ||
04e2b7b2 JF |
841 | for (kbd = keybindings[keymap]; kbd; kbd = kbd->next) |
842 | if (kbd->alias == key) | |
843 | return kbd->request; | |
844 | ||
845 | for (kbd = keybindings[KEYMAP_GENERIC]; kbd; kbd = kbd->next) | |
846 | if (kbd->alias == key) | |
847 | return kbd->request; | |
848 | ||
93a97d86 JF |
849 | for (i = 0; i < ARRAY_SIZE(default_keybindings); i++) |
850 | if (default_keybindings[i].alias == key) | |
851 | return default_keybindings[i].request; | |
37157fa0 JF |
852 | |
853 | return (enum request) key; | |
854 | } | |
855 | ||
93a97d86 | 856 | |
37157fa0 JF |
857 | struct key { |
858 | char *name; | |
859 | int value; | |
860 | }; | |
861 | ||
862 | static struct key key_table[] = { | |
863 | { "Enter", KEY_RETURN }, | |
864 | { "Space", ' ' }, | |
865 | { "Backspace", KEY_BACKSPACE }, | |
866 | { "Tab", KEY_TAB }, | |
867 | { "Escape", KEY_ESC }, | |
868 | { "Left", KEY_LEFT }, | |
869 | { "Right", KEY_RIGHT }, | |
870 | { "Up", KEY_UP }, | |
871 | { "Down", KEY_DOWN }, | |
872 | { "Insert", KEY_IC }, | |
873 | { "Delete", KEY_DC }, | |
74f83ee6 | 874 | { "Hash", '#' }, |
37157fa0 JF |
875 | { "Home", KEY_HOME }, |
876 | { "End", KEY_END }, | |
877 | { "PageUp", KEY_PPAGE }, | |
878 | { "PageDown", KEY_NPAGE }, | |
879 | { "F1", KEY_F(1) }, | |
880 | { "F2", KEY_F(2) }, | |
881 | { "F3", KEY_F(3) }, | |
882 | { "F4", KEY_F(4) }, | |
883 | { "F5", KEY_F(5) }, | |
884 | { "F6", KEY_F(6) }, | |
885 | { "F7", KEY_F(7) }, | |
886 | { "F8", KEY_F(8) }, | |
887 | { "F9", KEY_F(9) }, | |
888 | { "F10", KEY_F(10) }, | |
889 | { "F11", KEY_F(11) }, | |
890 | { "F12", KEY_F(12) }, | |
891 | }; | |
892 | ||
04e2b7b2 JF |
893 | static int |
894 | get_key_value(const char *name) | |
895 | { | |
896 | int i; | |
897 | ||
898 | for (i = 0; i < ARRAY_SIZE(key_table); i++) | |
899 | if (!strcasecmp(key_table[i].name, name)) | |
900 | return key_table[i].value; | |
901 | ||
902 | if (strlen(name) == 1 && isprint(*name)) | |
903 | return (int) *name; | |
904 | ||
905 | return ERR; | |
906 | } | |
907 | ||
37157fa0 JF |
908 | static char * |
909 | get_key(enum request request) | |
910 | { | |
911 | static char buf[BUFSIZ]; | |
912 | static char key_char[] = "'X'"; | |
d65ced0d | 913 | size_t pos = 0; |
520094b4 | 914 | char *sep = ""; |
37157fa0 JF |
915 | int i; |
916 | ||
917 | buf[pos] = 0; | |
918 | ||
93a97d86 JF |
919 | for (i = 0; i < ARRAY_SIZE(default_keybindings); i++) { |
920 | struct keybinding *keybinding = &default_keybindings[i]; | |
37157fa0 JF |
921 | char *seq = NULL; |
922 | int key; | |
923 | ||
93a97d86 | 924 | if (keybinding->request != request) |
37157fa0 JF |
925 | continue; |
926 | ||
927 | for (key = 0; key < ARRAY_SIZE(key_table); key++) | |
93a97d86 | 928 | if (key_table[key].value == keybinding->alias) |
37157fa0 JF |
929 | seq = key_table[key].name; |
930 | ||
931 | if (seq == NULL && | |
93a97d86 JF |
932 | keybinding->alias < 127 && |
933 | isprint(keybinding->alias)) { | |
934 | key_char[1] = (char) keybinding->alias; | |
37157fa0 JF |
935 | seq = key_char; |
936 | } | |
937 | ||
938 | if (!seq) | |
939 | seq = "'?'"; | |
940 | ||
941 | if (!string_format_from(buf, &pos, "%s%s", sep, seq)) | |
942 | return "Too many keybindings!"; | |
943 | sep = ", "; | |
944 | } | |
945 | ||
946 | return buf; | |
947 | } | |
948 | ||
949 | ||
950 | /* | |
1899507c JF |
951 | * User config file handling. |
952 | */ | |
953 | ||
5dc795f2 JF |
954 | static struct int_map color_map[] = { |
955 | #define COLOR_MAP(name) { #name, STRING_SIZE(#name), COLOR_##name } | |
956 | COLOR_MAP(DEFAULT), | |
957 | COLOR_MAP(BLACK), | |
958 | COLOR_MAP(BLUE), | |
959 | COLOR_MAP(CYAN), | |
960 | COLOR_MAP(GREEN), | |
961 | COLOR_MAP(MAGENTA), | |
962 | COLOR_MAP(RED), | |
963 | COLOR_MAP(WHITE), | |
964 | COLOR_MAP(YELLOW), | |
965 | }; | |
966 | ||
9256ab05 JF |
967 | #define set_color(color, name) \ |
968 | set_from_int_map(color_map, ARRAY_SIZE(color_map), color, name, strlen(name)) | |
660e09ad | 969 | |
5dc795f2 JF |
970 | static struct int_map attr_map[] = { |
971 | #define ATTR_MAP(name) { #name, STRING_SIZE(#name), A_##name } | |
972 | ATTR_MAP(NORMAL), | |
973 | ATTR_MAP(BLINK), | |
974 | ATTR_MAP(BOLD), | |
975 | ATTR_MAP(DIM), | |
976 | ATTR_MAP(REVERSE), | |
977 | ATTR_MAP(STANDOUT), | |
978 | ATTR_MAP(UNDERLINE), | |
979 | }; | |
980 | ||
9256ab05 JF |
981 | #define set_attribute(attr, name) \ |
982 | set_from_int_map(attr_map, ARRAY_SIZE(attr_map), attr, name, strlen(name)) | |
660e09ad | 983 | |
3c3801c2 JF |
984 | static int config_lineno; |
985 | static bool config_errors; | |
986 | static char *config_msg; | |
987 | ||
5bfd96c7 | 988 | /* Wants: object fgcolor bgcolor [attr] */ |
660e09ad | 989 | static int |
5bfd96c7 | 990 | option_color_command(int argc, char *argv[]) |
660e09ad | 991 | { |
bca8fcaa JF |
992 | struct line_info *info; |
993 | ||
9256ab05 JF |
994 | if (argc != 3 && argc != 4) { |
995 | config_msg = "Wrong number of arguments given to color command"; | |
996 | return ERR; | |
997 | } | |
998 | ||
999 | info = get_line_info(argv[0], strlen(argv[0])); | |
bca8fcaa JF |
1000 | if (!info) { |
1001 | config_msg = "Unknown color name"; | |
1002 | return ERR; | |
1003 | } | |
660e09ad | 1004 | |
a3653368 JF |
1005 | if (set_color(&info->fg, argv[1]) == ERR || |
1006 | set_color(&info->bg, argv[2]) == ERR) { | |
bca8fcaa JF |
1007 | config_msg = "Unknown color"; |
1008 | return ERR; | |
1009 | } | |
660e09ad | 1010 | |
9256ab05 | 1011 | if (argc == 4 && set_attribute(&info->attr, argv[3]) == ERR) { |
bca8fcaa JF |
1012 | config_msg = "Unknown attribute"; |
1013 | return ERR; | |
660e09ad JF |
1014 | } |
1015 | ||
bca8fcaa JF |
1016 | return OK; |
1017 | } | |
1018 | ||
5bfd96c7 JF |
1019 | /* Wants: name = value */ |
1020 | static int | |
1021 | option_set_command(int argc, char *argv[]) | |
1022 | { | |
1023 | if (argc != 3) { | |
1024 | config_msg = "Wrong number of arguments given to set command"; | |
1025 | return ERR; | |
1026 | } | |
1027 | ||
1028 | if (strcmp(argv[1], "=")) { | |
1029 | config_msg = "No value assigned"; | |
1030 | return ERR; | |
1031 | } | |
1032 | ||
1033 | if (!strcmp(argv[0], "show-rev-graph")) { | |
1034 | opt_rev_graph = (!strcmp(argv[2], "1") || | |
1035 | !strcmp(argv[2], "true") || | |
1036 | !strcmp(argv[2], "yes")); | |
1037 | return OK; | |
1038 | } | |
1039 | ||
1040 | if (!strcmp(argv[0], "line-number-interval")) { | |
1041 | opt_num_interval = atoi(argv[2]); | |
1042 | return OK; | |
1043 | } | |
1044 | ||
1045 | if (!strcmp(argv[0], "tab-size")) { | |
1046 | opt_tab_size = atoi(argv[2]); | |
1047 | return OK; | |
1048 | } | |
1049 | ||
cb7267ee | 1050 | if (!strcmp(argv[0], "commit-encoding")) { |
3cc9a4d4 JF |
1051 | char *arg = argv[2]; |
1052 | int delimiter = *arg; | |
1053 | int i; | |
1054 | ||
1055 | switch (delimiter) { | |
1056 | case '"': | |
1057 | case '\'': | |
1058 | for (arg++, i = 0; arg[i]; i++) | |
1059 | if (arg[i] == delimiter) { | |
1060 | arg[i] = 0; | |
1061 | break; | |
1062 | } | |
1063 | default: | |
739e81de | 1064 | string_ncopy(opt_encoding, arg, strlen(arg)); |
3cc9a4d4 JF |
1065 | return OK; |
1066 | } | |
5bfd96c7 JF |
1067 | } |
1068 | ||
a3653368 | 1069 | config_msg = "Unknown variable name"; |
5bfd96c7 JF |
1070 | return ERR; |
1071 | } | |
1072 | ||
04e2b7b2 JF |
1073 | /* Wants: mode request key */ |
1074 | static int | |
1075 | option_bind_command(int argc, char *argv[]) | |
1076 | { | |
1077 | enum request request; | |
1078 | int keymap; | |
1079 | int key; | |
1080 | ||
1081 | if (argc != 3) { | |
1082 | config_msg = "Wrong number of arguments given to bind command"; | |
1083 | return ERR; | |
1084 | } | |
1085 | ||
1086 | if (set_keymap(&keymap, argv[0]) == ERR) { | |
1087 | config_msg = "Unknown key map"; | |
1088 | return ERR; | |
1089 | } | |
1090 | ||
1091 | key = get_key_value(argv[1]); | |
1092 | if (key == ERR) { | |
1093 | config_msg = "Unknown key"; | |
1094 | return ERR; | |
1095 | } | |
1096 | ||
1097 | request = get_request(argv[2]); | |
1098 | if (request == REQ_UNKNOWN) { | |
1099 | config_msg = "Unknown request name"; | |
1100 | return ERR; | |
1101 | } | |
1102 | ||
1103 | add_keybinding(keymap, request, key); | |
1104 | ||
1105 | return OK; | |
1106 | } | |
1107 | ||
bca8fcaa | 1108 | static int |
9256ab05 | 1109 | set_option(char *opt, char *value) |
bca8fcaa | 1110 | { |
9256ab05 JF |
1111 | char *argv[16]; |
1112 | int valuelen; | |
1113 | int argc = 0; | |
1114 | ||
1115 | /* Tokenize */ | |
1116 | while (argc < ARRAY_SIZE(argv) && (valuelen = strcspn(value, " \t"))) { | |
1117 | argv[argc++] = value; | |
1118 | ||
1119 | value += valuelen; | |
1120 | if (!*value) | |
1121 | break; | |
1122 | ||
1123 | *value++ = 0; | |
1124 | while (isspace(*value)) | |
1125 | value++; | |
1126 | } | |
1127 | ||
1128 | if (!strcmp(opt, "color")) | |
5bfd96c7 JF |
1129 | return option_color_command(argc, argv); |
1130 | ||
1131 | if (!strcmp(opt, "set")) | |
1132 | return option_set_command(argc, argv); | |
bca8fcaa | 1133 | |
04e2b7b2 JF |
1134 | if (!strcmp(opt, "bind")) |
1135 | return option_bind_command(argc, argv); | |
1136 | ||
a3653368 | 1137 | config_msg = "Unknown option command"; |
660e09ad JF |
1138 | return ERR; |
1139 | } | |
1140 | ||
1141 | static int | |
5699e0cf | 1142 | read_option(char *opt, size_t optlen, char *value, size_t valuelen) |
3c3801c2 | 1143 | { |
a3653368 JF |
1144 | int status = OK; |
1145 | ||
3c3801c2 JF |
1146 | config_lineno++; |
1147 | config_msg = "Internal error"; | |
1148 | ||
a3653368 JF |
1149 | /* Check for comment markers, since read_properties() will |
1150 | * only ensure opt and value are split at first " \t". */ | |
74f83ee6 | 1151 | optlen = strcspn(opt, "#"); |
a3653368 | 1152 | if (optlen == 0) |
3c3801c2 JF |
1153 | return OK; |
1154 | ||
a3653368 JF |
1155 | if (opt[optlen] != 0) { |
1156 | config_msg = "No option value"; | |
1157 | status = ERR; | |
1158 | ||
1159 | } else { | |
1160 | /* Look for comment endings in the value. */ | |
5699e0cf | 1161 | size_t len = strcspn(value, "#"); |
a3653368 JF |
1162 | |
1163 | if (len < valuelen) { | |
1164 | valuelen = len; | |
1165 | value[valuelen] = 0; | |
1166 | } | |
1167 | ||
1168 | status = set_option(opt, value); | |
3c3801c2 JF |
1169 | } |
1170 | ||
a3653368 JF |
1171 | if (status == ERR) { |
1172 | fprintf(stderr, "Error on line %d, near '%.*s': %s\n", | |
07c3971e | 1173 | config_lineno, (int) optlen, opt, config_msg); |
3c3801c2 JF |
1174 | config_errors = TRUE; |
1175 | } | |
1176 | ||
1177 | /* Always keep going if errors are encountered. */ | |
1178 | return OK; | |
1179 | } | |
1180 | ||
1181 | static int | |
660e09ad JF |
1182 | load_options(void) |
1183 | { | |
1184 | char *home = getenv("HOME"); | |
17482b11 | 1185 | char buf[SIZEOF_STR]; |
660e09ad JF |
1186 | FILE *file; |
1187 | ||
3c3801c2 JF |
1188 | config_lineno = 0; |
1189 | config_errors = FALSE; | |
1190 | ||
cc2d1364 | 1191 | if (!home || !string_format(buf, "%s/.tigrc", home)) |
660e09ad JF |
1192 | return ERR; |
1193 | ||
1194 | /* It's ok that the file doesn't exist. */ | |
1195 | file = fopen(buf, "r"); | |
1196 | if (!file) | |
1197 | return OK; | |
1198 | ||
3c3801c2 JF |
1199 | if (read_properties(file, " \t", read_option) == ERR || |
1200 | config_errors == TRUE) | |
1201 | fprintf(stderr, "Errors while loading %s.\n", buf); | |
1202 | ||
1203 | return OK; | |
660e09ad JF |
1204 | } |
1205 | ||
1206 | ||
d839253b | 1207 | /* |
468876c9 | 1208 | * The viewer |
d839253b | 1209 | */ |
c2124ccd JF |
1210 | |
1211 | struct view; | |
fe7233c3 | 1212 | struct view_ops; |
c2124ccd JF |
1213 | |
1214 | /* The display array of active views and the index of the current view. */ | |
1215 | static struct view *display[2]; | |
1216 | static unsigned int current_view; | |
1217 | ||
ab4af23e JF |
1218 | /* Reading from the prompt? */ |
1219 | static bool input_mode = FALSE; | |
1220 | ||
33c4f9ea | 1221 | #define foreach_displayed_view(view, i) \ |
c2124ccd JF |
1222 | for (i = 0; i < ARRAY_SIZE(display) && (view = display[i]); i++) |
1223 | ||
9f41488f | 1224 | #define displayed_views() (display[1] != NULL ? 2 : 1) |
c2124ccd | 1225 | |
d839253b | 1226 | /* Current head and commit ID */ |
e733ee54 | 1227 | static char ref_blob[SIZEOF_REF] = ""; |
c2124ccd JF |
1228 | static char ref_commit[SIZEOF_REF] = "HEAD"; |
1229 | static char ref_head[SIZEOF_REF] = "HEAD"; | |
1230 | ||
b801d8b2 | 1231 | struct view { |
03a93dbb | 1232 | const char *name; /* View name */ |
4685845e TH |
1233 | const char *cmd_fmt; /* Default command line format */ |
1234 | const char *cmd_env; /* Command line set via environment */ | |
e733ee54 | 1235 | const char *id; /* Points to either of ref_{head,commit,blob} */ |
6b161b31 | 1236 | |
fe7233c3 | 1237 | struct view_ops *ops; /* View operations */ |
22f66b0a | 1238 | |
04e2b7b2 JF |
1239 | enum keymap keymap; /* What keymap does this view have */ |
1240 | ||
17482b11 | 1241 | char cmd[SIZEOF_STR]; /* Command buffer */ |
49f2b43f JF |
1242 | char ref[SIZEOF_REF]; /* Hovered commit reference */ |
1243 | char vid[SIZEOF_REF]; /* View ID. Set to id member when updating. */ | |
2e8488b4 | 1244 | |
8855ada4 JF |
1245 | int height, width; /* The width and height of the main window */ |
1246 | WINDOW *win; /* The main window */ | |
1247 | WINDOW *title; /* The title window living below the main window */ | |
b801d8b2 JF |
1248 | |
1249 | /* Navigation */ | |
1250 | unsigned long offset; /* Offset of the window top */ | |
1251 | unsigned long lineno; /* Current line number */ | |
1252 | ||
4af34daa JF |
1253 | /* Searching */ |
1254 | char grep[SIZEOF_STR]; /* Search string */ | |
b77b2cb8 | 1255 | regex_t *regex; /* Pre-compiled regex */ |
4af34daa | 1256 | |
f6da0b66 JF |
1257 | /* If non-NULL, points to the view that opened this view. If this view |
1258 | * is closed tig will switch back to the parent view. */ | |
1259 | struct view *parent; | |
1260 | ||
b801d8b2 JF |
1261 | /* Buffering */ |
1262 | unsigned long lines; /* Total number of lines */ | |
fe7233c3 | 1263 | struct line *line; /* Line index */ |
e2c01617 | 1264 | unsigned long line_size;/* Total number of allocated lines */ |
8855ada4 | 1265 | unsigned int digits; /* Number of digits in the lines member. */ |
b801d8b2 JF |
1266 | |
1267 | /* Loading */ | |
1268 | FILE *pipe; | |
2e8488b4 | 1269 | time_t start_time; |
b801d8b2 JF |
1270 | }; |
1271 | ||
fe7233c3 JF |
1272 | struct view_ops { |
1273 | /* What type of content being displayed. Used in the title bar. */ | |
1274 | const char *type; | |
f098944b JF |
1275 | /* Open and reads in all view content. */ |
1276 | bool (*open)(struct view *view); | |
fe7233c3 | 1277 | /* Read one line; updates view->line. */ |
701e4f5d | 1278 | bool (*read)(struct view *view, char *data); |
f098944b JF |
1279 | /* Draw one line; @lineno must be < view->height. */ |
1280 | bool (*draw)(struct view *view, struct line *line, unsigned int lineno, bool selected); | |
586c423d JF |
1281 | /* Depending on view handle a special requests. */ |
1282 | enum request (*request)(struct view *view, enum request request, struct line *line); | |
4af34daa JF |
1283 | /* Search for regex in a line. */ |
1284 | bool (*grep)(struct view *view, struct line *line); | |
d720de4b JF |
1285 | /* Select line */ |
1286 | void (*select)(struct view *view, struct line *line); | |
fe7233c3 JF |
1287 | }; |
1288 | ||
6b161b31 JF |
1289 | static struct view_ops pager_ops; |
1290 | static struct view_ops main_ops; | |
e733ee54 JF |
1291 | static struct view_ops tree_ops; |
1292 | static struct view_ops blob_ops; | |
f098944b | 1293 | static struct view_ops help_ops; |
173d76ea | 1294 | static struct view_ops status_ops; |
3e634113 | 1295 | static struct view_ops stage_ops; |
a28bcc22 | 1296 | |
04e2b7b2 JF |
1297 | #define VIEW_STR(name, cmd, env, ref, ops, map) \ |
1298 | { name, cmd, #env, ref, ops, map} | |
1ba2ae4b | 1299 | |
95d7ddcd | 1300 | #define VIEW_(id, name, ops, ref) \ |
04e2b7b2 | 1301 | VIEW_STR(name, TIG_##id##_CMD, TIG_##id##_CMD, ref, ops, KEYMAP_##id) |
1ba2ae4b | 1302 | |
c2124ccd | 1303 | |
b801d8b2 | 1304 | static struct view views[] = { |
173d76ea JF |
1305 | VIEW_(MAIN, "main", &main_ops, ref_head), |
1306 | VIEW_(DIFF, "diff", &pager_ops, ref_commit), | |
1307 | VIEW_(LOG, "log", &pager_ops, ref_head), | |
1308 | VIEW_(TREE, "tree", &tree_ops, ref_commit), | |
1309 | VIEW_(BLOB, "blob", &blob_ops, ref_blob), | |
b64c5b75 JF |
1310 | VIEW_(HELP, "help", &help_ops, ""), |
1311 | VIEW_(PAGER, "pager", &pager_ops, "stdin"), | |
173d76ea | 1312 | VIEW_(STATUS, "status", &status_ops, ""), |
3e634113 | 1313 | VIEW_(STAGE, "stage", &stage_ops, ""), |
b801d8b2 JF |
1314 | }; |
1315 | ||
a28bcc22 JF |
1316 | #define VIEW(req) (&views[(req) - REQ_OFFSET - 1]) |
1317 | ||
699ae55b JF |
1318 | #define foreach_view(view, i) \ |
1319 | for (i = 0; i < ARRAY_SIZE(views) && (view = &views[i]); i++) | |
1320 | ||
1321 | #define view_is_displayed(view) \ | |
1322 | (view == display[0] || view == display[1]) | |
4c6fabc2 | 1323 | |
fe7233c3 JF |
1324 | static bool |
1325 | draw_view_line(struct view *view, unsigned int lineno) | |
1326 | { | |
d720de4b | 1327 | struct line *line; |
5dcf8064 | 1328 | bool selected = (view->offset + lineno == view->lineno); |
4887d44e | 1329 | bool draw_ok; |
d720de4b | 1330 | |
699ae55b JF |
1331 | assert(view_is_displayed(view)); |
1332 | ||
fe7233c3 JF |
1333 | if (view->offset + lineno >= view->lines) |
1334 | return FALSE; | |
1335 | ||
d720de4b JF |
1336 | line = &view->line[view->offset + lineno]; |
1337 | ||
3c571d67 JF |
1338 | if (selected) { |
1339 | line->selected = TRUE; | |
d720de4b | 1340 | view->ops->select(view, line); |
3c571d67 JF |
1341 | } else if (line->selected) { |
1342 | line->selected = FALSE; | |
1343 | wmove(view->win, lineno, 0); | |
1344 | wclrtoeol(view->win); | |
1345 | } | |
d720de4b | 1346 | |
4887d44e JF |
1347 | scrollok(view->win, FALSE); |
1348 | draw_ok = view->ops->draw(view, line, lineno, selected); | |
1349 | scrollok(view->win, TRUE); | |
1350 | ||
1351 | return draw_ok; | |
fe7233c3 JF |
1352 | } |
1353 | ||
b801d8b2 | 1354 | static void |
82e78006 | 1355 | redraw_view_from(struct view *view, int lineno) |
b801d8b2 | 1356 | { |
82e78006 | 1357 | assert(0 <= lineno && lineno < view->height); |
b801d8b2 | 1358 | |
82e78006 | 1359 | for (; lineno < view->height; lineno++) { |
fe7233c3 | 1360 | if (!draw_view_line(view, lineno)) |
fd85fef1 | 1361 | break; |
b801d8b2 JF |
1362 | } |
1363 | ||
1364 | redrawwin(view->win); | |
ab4af23e JF |
1365 | if (input_mode) |
1366 | wnoutrefresh(view->win); | |
1367 | else | |
1368 | wrefresh(view->win); | |
b801d8b2 JF |
1369 | } |
1370 | ||
b76c2afc | 1371 | static void |
82e78006 JF |
1372 | redraw_view(struct view *view) |
1373 | { | |
1374 | wclear(view->win); | |
1375 | redraw_view_from(view, 0); | |
1376 | } | |
1377 | ||
c2124ccd | 1378 | |
6b161b31 | 1379 | static void |
81030ec8 JF |
1380 | update_view_title(struct view *view) |
1381 | { | |
3c112a88 | 1382 | char buf[SIZEOF_STR]; |
71d1c7db JF |
1383 | char state[SIZEOF_STR]; |
1384 | size_t bufpos = 0, statelen = 0; | |
81030ec8 | 1385 | |
3c112a88 | 1386 | assert(view_is_displayed(view)); |
81030ec8 | 1387 | |
249016a6 | 1388 | if (view != VIEW(REQ_VIEW_STATUS) && (view->lines || view->pipe)) { |
6d9c07af | 1389 | unsigned int view_lines = view->offset + view->height; |
c19f8017 | 1390 | unsigned int lines = view->lines |
6d9c07af | 1391 | ? MIN(view_lines, view->lines) * 100 / view->lines |
c19f8017 JF |
1392 | : 0; |
1393 | ||
71d1c7db | 1394 | string_format_from(state, &statelen, "- %s %d of %d (%d%%)", |
3c112a88 JF |
1395 | view->ops->type, |
1396 | view->lineno + 1, | |
1397 | view->lines, | |
1398 | lines); | |
81030ec8 | 1399 | |
5becf244 JF |
1400 | if (view->pipe) { |
1401 | time_t secs = time(NULL) - view->start_time; | |
f97f4012 | 1402 | |
5becf244 JF |
1403 | /* Three git seconds are a long time ... */ |
1404 | if (secs > 2) | |
71d1c7db | 1405 | string_format_from(state, &statelen, " %lds", secs); |
5becf244 | 1406 | } |
81030ec8 JF |
1407 | } |
1408 | ||
71d1c7db JF |
1409 | string_format_from(buf, &bufpos, "[%s]", view->name); |
1410 | if (*view->ref && bufpos < view->width) { | |
1411 | size_t refsize = strlen(view->ref); | |
1412 | size_t minsize = bufpos + 1 + /* abbrev= */ 7 + 1 + statelen; | |
1413 | ||
1414 | if (minsize < view->width) | |
1415 | refsize = view->width - minsize + 7; | |
d1858deb | 1416 | string_format_from(buf, &bufpos, " %.*s", (int) refsize, view->ref); |
71d1c7db | 1417 | } |
f97f4012 | 1418 | |
71d1c7db JF |
1419 | if (statelen && bufpos < view->width) { |
1420 | string_format_from(buf, &bufpos, " %s", state); | |
f97f4012 JF |
1421 | } |
1422 | ||
3c112a88 JF |
1423 | if (view == display[current_view]) |
1424 | wbkgdset(view->title, get_line_attr(LINE_TITLE_FOCUS)); | |
1425 | else | |
1426 | wbkgdset(view->title, get_line_attr(LINE_TITLE_BLUR)); | |
1427 | ||
3c112a88 | 1428 | mvwaddnstr(view->title, 0, 0, buf, bufpos); |
390a8262 | 1429 | wclrtoeol(view->title); |
976447f8 | 1430 | wmove(view->title, 0, view->width - 1); |
ab4af23e JF |
1431 | |
1432 | if (input_mode) | |
1433 | wnoutrefresh(view->title); | |
1434 | else | |
1435 | wrefresh(view->title); | |
81030ec8 JF |
1436 | } |
1437 | ||
1438 | static void | |
6b161b31 | 1439 | resize_display(void) |
b76c2afc | 1440 | { |
03a93dbb | 1441 | int offset, i; |
6b161b31 JF |
1442 | struct view *base = display[0]; |
1443 | struct view *view = display[1] ? display[1] : display[0]; | |
b76c2afc | 1444 | |
6b161b31 | 1445 | /* Setup window dimensions */ |
b76c2afc | 1446 | |
03a93dbb | 1447 | getmaxyx(stdscr, base->height, base->width); |
b76c2afc | 1448 | |
6b161b31 | 1449 | /* Make room for the status window. */ |
03a93dbb | 1450 | base->height -= 1; |
6b161b31 JF |
1451 | |
1452 | if (view != base) { | |
03a93dbb JF |
1453 | /* Horizontal split. */ |
1454 | view->width = base->width; | |
6b161b31 JF |
1455 | view->height = SCALE_SPLIT_VIEW(base->height); |
1456 | base->height -= view->height; | |
1457 | ||
1458 | /* Make room for the title bar. */ | |
1459 | view->height -= 1; | |
1460 | } | |
1461 | ||
1462 | /* Make room for the title bar. */ | |
1463 | base->height -= 1; | |
1464 | ||
1465 | offset = 0; | |
1466 | ||
33c4f9ea | 1467 | foreach_displayed_view (view, i) { |
b76c2afc | 1468 | if (!view->win) { |
c19f8017 | 1469 | view->win = newwin(view->height, 0, offset, 0); |
6b161b31 JF |
1470 | if (!view->win) |
1471 | die("Failed to create %s view", view->name); | |
1472 | ||
1473 | scrollok(view->win, TRUE); | |
1474 | ||
1475 | view->title = newwin(1, 0, offset + view->height, 0); | |
1476 | if (!view->title) | |
1477 | die("Failed to create title window"); | |
1478 | ||
1479 | } else { | |
c19f8017 | 1480 | wresize(view->win, view->height, view->width); |
6b161b31 JF |
1481 | mvwin(view->win, offset, 0); |
1482 | mvwin(view->title, offset + view->height, 0); | |
a28bcc22 | 1483 | } |
a28bcc22 | 1484 | |
6b161b31 | 1485 | offset += view->height + 1; |
b76c2afc | 1486 | } |
6b161b31 | 1487 | } |
b76c2afc | 1488 | |
6b161b31 | 1489 | static void |
20bb5e18 JF |
1490 | redraw_display(void) |
1491 | { | |
1492 | struct view *view; | |
1493 | int i; | |
1494 | ||
33c4f9ea | 1495 | foreach_displayed_view (view, i) { |
20bb5e18 JF |
1496 | redraw_view(view); |
1497 | update_view_title(view); | |
1498 | } | |
1499 | } | |
1500 | ||
85af6284 | 1501 | static void |
2bee3bde | 1502 | update_display_cursor(struct view *view) |
85af6284 | 1503 | { |
85af6284 JF |
1504 | /* Move the cursor to the right-most column of the cursor line. |
1505 | * | |
1506 | * XXX: This could turn out to be a bit expensive, but it ensures that | |
1507 | * the cursor does not jump around. */ | |
1508 | if (view->lines) { | |
1509 | wmove(view->win, view->lineno - view->offset, view->width - 1); | |
1510 | wrefresh(view->win); | |
1511 | } | |
1512 | } | |
20bb5e18 | 1513 | |
2e8488b4 JF |
1514 | /* |
1515 | * Navigation | |
1516 | */ | |
1517 | ||
4a2909a7 | 1518 | /* Scrolling backend */ |
b801d8b2 | 1519 | static void |
8c317212 | 1520 | do_scroll_view(struct view *view, int lines) |
b801d8b2 | 1521 | { |
a0087dd5 JF |
1522 | bool redraw_current_line = FALSE; |
1523 | ||
fd85fef1 JF |
1524 | /* The rendering expects the new offset. */ |
1525 | view->offset += lines; | |
1526 | ||
1527 | assert(0 <= view->offset && view->offset < view->lines); | |
1528 | assert(lines); | |
b801d8b2 | 1529 | |
a0087dd5 JF |
1530 | /* Move current line into the view. */ |
1531 | if (view->lineno < view->offset) { | |
1532 | view->lineno = view->offset; | |
1533 | redraw_current_line = TRUE; | |
1534 | } else if (view->lineno >= view->offset + view->height) { | |
1535 | view->lineno = view->offset + view->height - 1; | |
1536 | redraw_current_line = TRUE; | |
1537 | } | |
1538 | ||
1539 | assert(view->offset <= view->lineno && view->lineno < view->lines); | |
1540 | ||
82e78006 | 1541 | /* Redraw the whole screen if scrolling is pointless. */ |
4c6fabc2 | 1542 | if (view->height < ABS(lines)) { |
b76c2afc JF |
1543 | redraw_view(view); |
1544 | ||
1545 | } else { | |
22f66b0a | 1546 | int line = lines > 0 ? view->height - lines : 0; |
82e78006 | 1547 | int end = line + ABS(lines); |
fd85fef1 JF |
1548 | |
1549 | wscrl(view->win, lines); | |
1550 | ||
22f66b0a | 1551 | for (; line < end; line++) { |
fe7233c3 | 1552 | if (!draw_view_line(view, line)) |
fd85fef1 JF |
1553 | break; |
1554 | } | |
fd85fef1 | 1555 | |
a0087dd5 JF |
1556 | if (redraw_current_line) |
1557 | draw_view_line(view, view->lineno - view->offset); | |
fd85fef1 JF |
1558 | } |
1559 | ||
fd85fef1 JF |
1560 | redrawwin(view->win); |
1561 | wrefresh(view->win); | |
9d3f5834 | 1562 | report(""); |
fd85fef1 | 1563 | } |
78c70acd | 1564 | |
4a2909a7 | 1565 | /* Scroll frontend */ |
fd85fef1 | 1566 | static void |
6b161b31 | 1567 | scroll_view(struct view *view, enum request request) |
fd85fef1 JF |
1568 | { |
1569 | int lines = 1; | |
b801d8b2 | 1570 | |
8c317212 JF |
1571 | assert(view_is_displayed(view)); |
1572 | ||
b801d8b2 | 1573 | switch (request) { |
4a2909a7 | 1574 | case REQ_SCROLL_PAGE_DOWN: |
fd85fef1 | 1575 | lines = view->height; |
4a2909a7 | 1576 | case REQ_SCROLL_LINE_DOWN: |
b801d8b2 | 1577 | if (view->offset + lines > view->lines) |
bde3653a | 1578 | lines = view->lines - view->offset; |
b801d8b2 | 1579 | |
fd85fef1 | 1580 | if (lines == 0 || view->offset + view->height >= view->lines) { |
eb98559e | 1581 | report("Cannot scroll beyond the last line"); |
b801d8b2 JF |
1582 | return; |
1583 | } | |
1584 | break; | |
1585 | ||
4a2909a7 | 1586 | case REQ_SCROLL_PAGE_UP: |
fd85fef1 | 1587 | lines = view->height; |
4a2909a7 | 1588 | case REQ_SCROLL_LINE_UP: |
b801d8b2 JF |
1589 | if (lines > view->offset) |
1590 | lines = view->offset; | |
1591 | ||
1592 | if (lines == 0) { | |
eb98559e | 1593 | report("Cannot scroll beyond the first line"); |
b801d8b2 JF |
1594 | return; |
1595 | } | |
1596 | ||
fd85fef1 | 1597 | lines = -lines; |
b801d8b2 | 1598 | break; |
03a93dbb | 1599 | |
6b161b31 JF |
1600 | default: |
1601 | die("request %d not handled in switch", request); | |
b801d8b2 JF |
1602 | } |
1603 | ||
8c317212 | 1604 | do_scroll_view(view, lines); |
fd85fef1 | 1605 | } |
b801d8b2 | 1606 | |
4a2909a7 | 1607 | /* Cursor moving */ |
fd85fef1 | 1608 | static void |
8522ecc7 | 1609 | move_view(struct view *view, enum request request) |
fd85fef1 | 1610 | { |
dfaa6c81 | 1611 | int scroll_steps = 0; |
fd85fef1 | 1612 | int steps; |
b801d8b2 | 1613 | |
fd85fef1 | 1614 | switch (request) { |
4a2909a7 | 1615 | case REQ_MOVE_FIRST_LINE: |
78c70acd JF |
1616 | steps = -view->lineno; |
1617 | break; | |
1618 | ||
4a2909a7 | 1619 | case REQ_MOVE_LAST_LINE: |
78c70acd JF |
1620 | steps = view->lines - view->lineno - 1; |
1621 | break; | |
1622 | ||
4a2909a7 | 1623 | case REQ_MOVE_PAGE_UP: |
78c70acd JF |
1624 | steps = view->height > view->lineno |
1625 | ? -view->lineno : -view->height; | |
1626 | break; | |
1627 | ||
4a2909a7 | 1628 | case REQ_MOVE_PAGE_DOWN: |
78c70acd JF |
1629 | steps = view->lineno + view->height >= view->lines |
1630 | ? view->lines - view->lineno - 1 : view->height; | |
1631 | break; | |
1632 | ||
4a2909a7 | 1633 | case REQ_MOVE_UP: |
fd85fef1 JF |
1634 | steps = -1; |
1635 | break; | |
b801d8b2 | 1636 | |
4a2909a7 | 1637 | case REQ_MOVE_DOWN: |
fd85fef1 JF |
1638 | steps = 1; |
1639 | break; | |
6b161b31 JF |
1640 | |
1641 | default: | |
1642 | die("request %d not handled in switch", request); | |
78c70acd | 1643 | } |
b801d8b2 | 1644 | |
4c6fabc2 | 1645 | if (steps <= 0 && view->lineno == 0) { |
eb98559e | 1646 | report("Cannot move beyond the first line"); |
78c70acd | 1647 | return; |
b801d8b2 | 1648 | |
6908bdbd | 1649 | } else if (steps >= 0 && view->lineno + 1 >= view->lines) { |
eb98559e | 1650 | report("Cannot move beyond the last line"); |
78c70acd | 1651 | return; |
fd85fef1 JF |
1652 | } |
1653 | ||
4c6fabc2 | 1654 | /* Move the current line */ |
fd85fef1 | 1655 | view->lineno += steps; |
4c6fabc2 JF |
1656 | assert(0 <= view->lineno && view->lineno < view->lines); |
1657 | ||
4c6fabc2 | 1658 | /* Check whether the view needs to be scrolled */ |
fd85fef1 JF |
1659 | if (view->lineno < view->offset || |
1660 | view->lineno >= view->offset + view->height) { | |
dfaa6c81 | 1661 | scroll_steps = steps; |
fd85fef1 | 1662 | if (steps < 0 && -steps > view->offset) { |
dfaa6c81 | 1663 | scroll_steps = -view->offset; |
b76c2afc JF |
1664 | |
1665 | } else if (steps > 0) { | |
1666 | if (view->lineno == view->lines - 1 && | |
1667 | view->lines > view->height) { | |
dfaa6c81 JF |
1668 | scroll_steps = view->lines - view->offset - 1; |
1669 | if (scroll_steps >= view->height) | |
1670 | scroll_steps -= view->height - 1; | |
b76c2afc | 1671 | } |
b801d8b2 | 1672 | } |
8522ecc7 JF |
1673 | } |
1674 | ||
1675 | if (!view_is_displayed(view)) { | |
a3965365 JF |
1676 | view->offset += scroll_steps; |
1677 | assert(0 <= view->offset && view->offset < view->lines); | |
8522ecc7 JF |
1678 | view->ops->select(view, &view->line[view->lineno]); |
1679 | return; | |
1680 | } | |
1681 | ||
1682 | /* Repaint the old "current" line if we be scrolling */ | |
1683 | if (ABS(steps) < view->height) | |
1684 | draw_view_line(view, view->lineno - steps - view->offset); | |
1685 | ||
dfaa6c81 JF |
1686 | if (scroll_steps) { |
1687 | do_scroll_view(view, scroll_steps); | |
fd85fef1 | 1688 | return; |
b801d8b2 JF |
1689 | } |
1690 | ||
4c6fabc2 | 1691 | /* Draw the current line */ |
fe7233c3 | 1692 | draw_view_line(view, view->lineno - view->offset); |
fd85fef1 | 1693 | |
b801d8b2 JF |
1694 | redrawwin(view->win); |
1695 | wrefresh(view->win); | |
9d3f5834 | 1696 | report(""); |
b801d8b2 JF |
1697 | } |
1698 | ||
b801d8b2 | 1699 | |
2e8488b4 | 1700 | /* |
4af34daa JF |
1701 | * Searching |
1702 | */ | |
1703 | ||
c02d8fce | 1704 | static void search_view(struct view *view, enum request request); |
4af34daa JF |
1705 | |
1706 | static bool | |
1707 | find_next_line(struct view *view, unsigned long lineno, struct line *line) | |
1708 | { | |
699ae55b JF |
1709 | assert(view_is_displayed(view)); |
1710 | ||
4af34daa JF |
1711 | if (!view->ops->grep(view, line)) |
1712 | return FALSE; | |
1713 | ||
1714 | if (lineno - view->offset >= view->height) { | |
1715 | view->offset = lineno; | |
1716 | view->lineno = lineno; | |
1717 | redraw_view(view); | |
1718 | ||
1719 | } else { | |
1720 | unsigned long old_lineno = view->lineno - view->offset; | |
1721 | ||
1722 | view->lineno = lineno; | |
4af34daa JF |
1723 | draw_view_line(view, old_lineno); |
1724 | ||
1725 | draw_view_line(view, view->lineno - view->offset); | |
1726 | redrawwin(view->win); | |
1727 | wrefresh(view->win); | |
1728 | } | |
1729 | ||
1730 | report("Line %ld matches '%s'", lineno + 1, view->grep); | |
1731 | return TRUE; | |
1732 | } | |
1733 | ||
1734 | static void | |
1735 | find_next(struct view *view, enum request request) | |
1736 | { | |
1737 | unsigned long lineno = view->lineno; | |
1738 | int direction; | |
1739 | ||
1740 | if (!*view->grep) { | |
1741 | if (!*opt_search) | |
1742 | report("No previous search"); | |
1743 | else | |
c02d8fce | 1744 | search_view(view, request); |
4af34daa JF |
1745 | return; |
1746 | } | |
1747 | ||
1748 | switch (request) { | |
1749 | case REQ_SEARCH: | |
1750 | case REQ_FIND_NEXT: | |
1751 | direction = 1; | |
1752 | break; | |
1753 | ||
1754 | case REQ_SEARCH_BACK: | |
1755 | case REQ_FIND_PREV: | |
1756 | direction = -1; | |
1757 | break; | |
1758 | ||
1759 | default: | |
1760 | return; | |
1761 | } | |
1762 | ||
1763 | if (request == REQ_FIND_NEXT || request == REQ_FIND_PREV) | |
1764 | lineno += direction; | |
1765 | ||
1766 | /* Note, lineno is unsigned long so will wrap around in which case it | |
1767 | * will become bigger than view->lines. */ | |
1768 | for (; lineno < view->lines; lineno += direction) { | |
1769 | struct line *line = &view->line[lineno]; | |
1770 | ||
1771 | if (find_next_line(view, lineno, line)) | |
1772 | return; | |
1773 | } | |
1774 | ||
1775 | report("No match found for '%s'", view->grep); | |
1776 | } | |
1777 | ||
1778 | static void | |
c02d8fce | 1779 | search_view(struct view *view, enum request request) |
4af34daa JF |
1780 | { |
1781 | int regex_err; | |
1782 | ||
b77b2cb8 JF |
1783 | if (view->regex) { |
1784 | regfree(view->regex); | |
4af34daa | 1785 | *view->grep = 0; |
b77b2cb8 JF |
1786 | } else { |
1787 | view->regex = calloc(1, sizeof(*view->regex)); | |
1788 | if (!view->regex) | |
1789 | return; | |
4af34daa JF |
1790 | } |
1791 | ||
c02d8fce | 1792 | regex_err = regcomp(view->regex, opt_search, REG_EXTENDED); |
4af34daa JF |
1793 | if (regex_err != 0) { |
1794 | char buf[SIZEOF_STR] = "unknown error"; | |
1795 | ||
b77b2cb8 | 1796 | regerror(regex_err, view->regex, buf, sizeof(buf)); |
e9cacd58 | 1797 | report("Search failed: %s", buf); |
4af34daa JF |
1798 | return; |
1799 | } | |
1800 | ||
c02d8fce | 1801 | string_copy(view->grep, opt_search); |
4af34daa JF |
1802 | |
1803 | find_next(view, request); | |
1804 | } | |
1805 | ||
1806 | /* | |
2e8488b4 JF |
1807 | * Incremental updating |
1808 | */ | |
b801d8b2 | 1809 | |
199d1288 JF |
1810 | static void |
1811 | end_update(struct view *view) | |
1812 | { | |
1813 | if (!view->pipe) | |
1814 | return; | |
1815 | set_nonblocking_input(FALSE); | |
1816 | if (view->pipe == stdin) | |
1817 | fclose(view->pipe); | |
1818 | else | |
1819 | pclose(view->pipe); | |
1820 | view->pipe = NULL; | |
1821 | } | |
1822 | ||
03a93dbb | 1823 | static bool |
b801d8b2 JF |
1824 | begin_update(struct view *view) |
1825 | { | |
199d1288 JF |
1826 | if (view->pipe) |
1827 | end_update(view); | |
1828 | ||
03a93dbb JF |
1829 | if (opt_cmd[0]) { |
1830 | string_copy(view->cmd, opt_cmd); | |
1831 | opt_cmd[0] = 0; | |
035ba11f JF |
1832 | /* When running random commands, initially show the |
1833 | * command in the title. However, it maybe later be | |
1834 | * overwritten if a commit line is selected. */ | |
809a9f48 JF |
1835 | if (view == VIEW(REQ_VIEW_PAGER)) |
1836 | string_copy(view->ref, view->cmd); | |
1837 | else | |
1838 | view->ref[0] = 0; | |
e733ee54 JF |
1839 | |
1840 | } else if (view == VIEW(REQ_VIEW_TREE)) { | |
1841 | const char *format = view->cmd_env ? view->cmd_env : view->cmd_fmt; | |
f0f114ac | 1842 | char path[SIZEOF_STR]; |
e733ee54 JF |
1843 | |
1844 | if (strcmp(view->vid, view->id)) | |
f0f114ac JF |
1845 | opt_path[0] = path[0] = 0; |
1846 | else if (sq_quote(path, 0, opt_path) >= sizeof(path)) | |
1847 | return FALSE; | |
e733ee54 | 1848 | |
739e81de | 1849 | if (!string_format(view->cmd, format, view->id, path)) |
e733ee54 JF |
1850 | return FALSE; |
1851 | ||
03a93dbb | 1852 | } else { |
4685845e | 1853 | const char *format = view->cmd_env ? view->cmd_env : view->cmd_fmt; |
739e81de | 1854 | const char *id = view->id; |
1ba2ae4b | 1855 | |
cc2d1364 | 1856 | if (!string_format(view->cmd, format, id, id, id, id, id)) |
03a93dbb | 1857 | return FALSE; |
035ba11f JF |
1858 | |
1859 | /* Put the current ref_* value to the view title ref | |
1860 | * member. This is needed by the blob view. Most other | |
1861 | * views sets it automatically after loading because the | |
1862 | * first line is a commit line. */ | |
739e81de | 1863 | string_copy_rev(view->ref, view->id); |
03a93dbb | 1864 | } |
b801d8b2 | 1865 | |
6908bdbd JF |
1866 | /* Special case for the pager view. */ |
1867 | if (opt_pipe) { | |
1868 | view->pipe = opt_pipe; | |
1869 | opt_pipe = NULL; | |
1870 | } else { | |
1871 | view->pipe = popen(view->cmd, "r"); | |
1872 | } | |
1873 | ||
2e8488b4 JF |
1874 | if (!view->pipe) |
1875 | return FALSE; | |
b801d8b2 | 1876 | |
6b161b31 | 1877 | set_nonblocking_input(TRUE); |
b801d8b2 JF |
1878 | |
1879 | view->offset = 0; | |
1880 | view->lines = 0; | |
1881 | view->lineno = 0; | |
739e81de | 1882 | string_copy_rev(view->vid, view->id); |
b801d8b2 | 1883 | |
2e8488b4 JF |
1884 | if (view->line) { |
1885 | int i; | |
1886 | ||
1887 | for (i = 0; i < view->lines; i++) | |
fe7233c3 JF |
1888 | if (view->line[i].data) |
1889 | free(view->line[i].data); | |
2e8488b4 JF |
1890 | |
1891 | free(view->line); | |
1892 | view->line = NULL; | |
1893 | } | |
1894 | ||
1895 | view->start_time = time(NULL); | |
1896 | ||
b801d8b2 JF |
1897 | return TRUE; |
1898 | } | |
1899 | ||
e2c01617 JF |
1900 | static struct line * |
1901 | realloc_lines(struct view *view, size_t line_size) | |
1902 | { | |
1903 | struct line *tmp = realloc(view->line, sizeof(*view->line) * line_size); | |
1904 | ||
1905 | if (!tmp) | |
1906 | return NULL; | |
1907 | ||
1908 | view->line = tmp; | |
1909 | view->line_size = line_size; | |
1910 | return view->line; | |
1911 | } | |
1912 | ||
03a93dbb | 1913 | static bool |
b801d8b2 JF |
1914 | update_view(struct view *view) |
1915 | { | |
6b68fd24 JF |
1916 | char in_buffer[BUFSIZ]; |
1917 | char out_buffer[BUFSIZ * 2]; | |
b801d8b2 | 1918 | char *line; |
82e78006 JF |
1919 | /* The number of lines to read. If too low it will cause too much |
1920 | * redrawing (and possible flickering), if too high responsiveness | |
1921 | * will suffer. */ | |
8855ada4 | 1922 | unsigned long lines = view->height; |
82e78006 | 1923 | int redraw_from = -1; |
b801d8b2 JF |
1924 | |
1925 | if (!view->pipe) | |
1926 | return TRUE; | |
1927 | ||
82e78006 JF |
1928 | /* Only redraw if lines are visible. */ |
1929 | if (view->offset + view->height >= view->lines) | |
1930 | redraw_from = view->lines - view->offset; | |
b801d8b2 | 1931 | |
699ae55b | 1932 | /* FIXME: This is probably not perfect for backgrounded views. */ |
e2c01617 | 1933 | if (!realloc_lines(view, view->lines + lines)) |
b801d8b2 JF |
1934 | goto alloc_error; |
1935 | ||
6b68fd24 JF |
1936 | while ((line = fgets(in_buffer, sizeof(in_buffer), view->pipe))) { |
1937 | size_t linelen = strlen(line); | |
b801d8b2 | 1938 | |
b801d8b2 JF |
1939 | if (linelen) |
1940 | line[linelen - 1] = 0; | |
1941 | ||
6b68fd24 | 1942 | if (opt_iconv != ICONV_NONE) { |
e47afdf2 | 1943 | ICONV_CONST char *inbuf = line; |
6b68fd24 JF |
1944 | size_t inlen = linelen; |
1945 | ||
1946 | char *outbuf = out_buffer; | |
1947 | size_t outlen = sizeof(out_buffer); | |
1948 | ||
1949 | size_t ret; | |
1950 | ||
7361622d | 1951 | ret = iconv(opt_iconv, &inbuf, &inlen, &outbuf, &outlen); |
6b68fd24 JF |
1952 | if (ret != (size_t) -1) { |
1953 | line = out_buffer; | |
1954 | linelen = strlen(out_buffer); | |
1955 | } | |
1956 | } | |
1957 | ||
701e4f5d | 1958 | if (!view->ops->read(view, line)) |
b801d8b2 | 1959 | goto alloc_error; |
fd85fef1 JF |
1960 | |
1961 | if (lines-- == 1) | |
1962 | break; | |
b801d8b2 JF |
1963 | } |
1964 | ||
8855ada4 JF |
1965 | { |
1966 | int digits; | |
1967 | ||
1968 | lines = view->lines; | |
1969 | for (digits = 0; lines; digits++) | |
1970 | lines /= 10; | |
1971 | ||
1972 | /* Keep the displayed view in sync with line number scaling. */ | |
1973 | if (digits != view->digits) { | |
1974 | view->digits = digits; | |
1975 | redraw_from = 0; | |
1976 | } | |
1977 | } | |
1978 | ||
699ae55b JF |
1979 | if (!view_is_displayed(view)) |
1980 | goto check_pipe; | |
1981 | ||
e733ee54 JF |
1982 | if (view == VIEW(REQ_VIEW_TREE)) { |
1983 | /* Clear the view and redraw everything since the tree sorting | |
1984 | * might have rearranged things. */ | |
1985 | redraw_view(view); | |
1986 | ||
1987 | } else if (redraw_from >= 0) { | |
82e78006 | 1988 | /* If this is an incremental update, redraw the previous line |
a28bcc22 JF |
1989 | * since for commits some members could have changed when |
1990 | * loading the main view. */ | |
82e78006 JF |
1991 | if (redraw_from > 0) |
1992 | redraw_from--; | |
1993 | ||
9eded379 JF |
1994 | /* Since revision graph visualization requires knowledge |
1995 | * about the parent commit, it causes a further one-off | |
1996 | * needed to be redrawn for incremental updates. */ | |
1997 | if (redraw_from > 0 && opt_rev_graph) | |
1998 | redraw_from--; | |
1999 | ||
82e78006 JF |
2000 | /* Incrementally draw avoids flickering. */ |
2001 | redraw_view_from(view, redraw_from); | |
4c6fabc2 | 2002 | } |
b801d8b2 | 2003 | |
eb98559e JF |
2004 | /* Update the title _after_ the redraw so that if the redraw picks up a |
2005 | * commit reference in view->ref it'll be available here. */ | |
2006 | update_view_title(view); | |
2007 | ||
699ae55b | 2008 | check_pipe: |
b801d8b2 | 2009 | if (ferror(view->pipe)) { |
03a93dbb | 2010 | report("Failed to read: %s", strerror(errno)); |
b801d8b2 JF |
2011 | goto end; |
2012 | ||
2013 | } else if (feof(view->pipe)) { | |
f97f4012 | 2014 | report(""); |
b801d8b2 JF |
2015 | goto end; |
2016 | } | |
2017 | ||
2018 | return TRUE; | |
2019 | ||
2020 | alloc_error: | |
2e8488b4 | 2021 | report("Allocation failure"); |
b801d8b2 JF |
2022 | |
2023 | end: | |
be04d936 | 2024 | view->ops->read(view, NULL); |
b801d8b2 JF |
2025 | end_update(view); |
2026 | return FALSE; | |
2027 | } | |
2028 | ||
0a0d8910 | 2029 | static struct line * |
e314c36d | 2030 | add_line_data(struct view *view, void *data, enum line_type type) |
0a0d8910 | 2031 | { |
e314c36d | 2032 | struct line *line = &view->line[view->lines++]; |
0a0d8910 | 2033 | |
e314c36d | 2034 | memset(line, 0, sizeof(*line)); |
0a0d8910 | 2035 | line->type = type; |
e314c36d | 2036 | line->data = data; |
0a0d8910 JF |
2037 | |
2038 | return line; | |
2039 | } | |
2040 | ||
e314c36d JF |
2041 | static struct line * |
2042 | add_line_text(struct view *view, char *data, enum line_type type) | |
2043 | { | |
2044 | if (data) | |
2045 | data = strdup(data); | |
2046 | ||
2047 | return data ? add_line_data(view, data, type) : NULL; | |
2048 | } | |
2049 | ||
79d445ca | 2050 | |
e10154d5 JF |
2051 | /* |
2052 | * View opening | |
2053 | */ | |
2054 | ||
49f2b43f JF |
2055 | enum open_flags { |
2056 | OPEN_DEFAULT = 0, /* Use default view switching. */ | |
2057 | OPEN_SPLIT = 1, /* Split current view. */ | |
2058 | OPEN_BACKGROUNDED = 2, /* Backgrounded. */ | |
2059 | OPEN_RELOAD = 4, /* Reload view even if it is the current. */ | |
2060 | }; | |
2061 | ||
6b161b31 | 2062 | static void |
49f2b43f | 2063 | open_view(struct view *prev, enum request request, enum open_flags flags) |
b801d8b2 | 2064 | { |
49f2b43f JF |
2065 | bool backgrounded = !!(flags & OPEN_BACKGROUNDED); |
2066 | bool split = !!(flags & OPEN_SPLIT); | |
2067 | bool reload = !!(flags & OPEN_RELOAD); | |
a28bcc22 | 2068 | struct view *view = VIEW(request); |
9f41488f | 2069 | int nviews = displayed_views(); |
6e950a52 | 2070 | struct view *base_view = display[0]; |
b801d8b2 | 2071 | |
49f2b43f | 2072 | if (view == prev && nviews == 1 && !reload) { |
6b161b31 JF |
2073 | report("Already in %s view", view->name); |
2074 | return; | |
2075 | } | |
b801d8b2 | 2076 | |
f098944b JF |
2077 | if (view->ops->open) { |
2078 | if (!view->ops->open(view)) { | |
2079 | report("Failed to load %s view", view->name); | |
2080 | return; | |
2081 | } | |
2509b112 JF |
2082 | |
2083 | } else if ((reload || strcmp(view->vid, view->id)) && | |
2084 | !begin_update(view)) { | |
6b161b31 JF |
2085 | report("Failed to load %s view", view->name); |
2086 | return; | |
2087 | } | |
a28bcc22 | 2088 | |
6b161b31 | 2089 | if (split) { |
8d741c06 | 2090 | display[1] = view; |
6b161b31 | 2091 | if (!backgrounded) |
8d741c06 | 2092 | current_view = 1; |
6b161b31 JF |
2093 | } else { |
2094 | /* Maximize the current view. */ | |
2095 | memset(display, 0, sizeof(display)); | |
2096 | current_view = 0; | |
2097 | display[current_view] = view; | |
a28bcc22 | 2098 | } |
b801d8b2 | 2099 | |
6e950a52 JF |
2100 | /* Resize the view when switching between split- and full-screen, |
2101 | * or when switching between two different full-screen views. */ | |
2102 | if (nviews != displayed_views() || | |
2103 | (nviews == 1 && base_view != display[0])) | |
a006db63 | 2104 | resize_display(); |
b801d8b2 | 2105 | |
a8891802 | 2106 | if (split && prev->lineno - prev->offset >= prev->height) { |
03a93dbb | 2107 | /* Take the title line into account. */ |
eb98559e | 2108 | int lines = prev->lineno - prev->offset - prev->height + 1; |
03a93dbb JF |
2109 | |
2110 | /* Scroll the view that was split if the current line is | |
2111 | * outside the new limited view. */ | |
8c317212 | 2112 | do_scroll_view(prev, lines); |
03a93dbb JF |
2113 | } |
2114 | ||
6b161b31 | 2115 | if (prev && view != prev) { |
9b995f0c | 2116 | if (split && !backgrounded) { |
f0b3ab80 JF |
2117 | /* "Blur" the previous view. */ |
2118 | update_view_title(prev); | |
9f396969 | 2119 | } |
f0b3ab80 | 2120 | |
f6da0b66 | 2121 | view->parent = prev; |
b801d8b2 JF |
2122 | } |
2123 | ||
9f396969 | 2124 | if (view->pipe && view->lines == 0) { |
03a93dbb JF |
2125 | /* Clear the old view and let the incremental updating refill |
2126 | * the screen. */ | |
2127 | wclear(view->win); | |
f97f4012 | 2128 | report(""); |
03a93dbb JF |
2129 | } else { |
2130 | redraw_view(view); | |
24b5b3e0 | 2131 | report(""); |
03a93dbb | 2132 | } |
6706b2ba JF |
2133 | |
2134 | /* If the view is backgrounded the above calls to report() | |
2135 | * won't redraw the view title. */ | |
2136 | if (backgrounded) | |
2137 | update_view_title(view); | |
b801d8b2 JF |
2138 | } |
2139 | ||
0cea0d43 JF |
2140 | static void |
2141 | open_editor(struct view *view, char *file) | |
2142 | { | |
2143 | char cmd[SIZEOF_STR]; | |
2144 | char file_sq[SIZEOF_STR]; | |
2145 | char *editor; | |
2146 | ||
2147 | editor = getenv("GIT_EDITOR"); | |
2148 | if (!editor && *opt_editor) | |
2149 | editor = opt_editor; | |
2150 | if (!editor) | |
2151 | editor = getenv("VISUAL"); | |
2152 | if (!editor) | |
2153 | editor = getenv("EDITOR"); | |
2154 | if (!editor) | |
2155 | editor = "vi"; | |
2156 | ||
2157 | if (sq_quote(file_sq, 0, file) < sizeof(file_sq) && | |
2158 | string_format(cmd, "%s %s", editor, file_sq)) { | |
2159 | def_prog_mode(); /* save current tty modes */ | |
2160 | endwin(); /* restore original tty modes */ | |
2161 | system(cmd); | |
2162 | reset_prog_mode(); | |
2163 | redraw_display(); | |
2164 | } | |
2165 | } | |
b801d8b2 | 2166 | |
6b161b31 JF |
2167 | /* |
2168 | * User request switch noodle | |
2169 | */ | |
2170 | ||
b801d8b2 | 2171 | static int |
6b161b31 | 2172 | view_driver(struct view *view, enum request request) |
b801d8b2 | 2173 | { |
b801d8b2 JF |
2174 | int i; |
2175 | ||
586c423d JF |
2176 | if (view && view->lines) { |
2177 | request = view->ops->request(view, request, &view->line[view->lineno]); | |
2178 | if (request == REQ_NONE) | |
2179 | return TRUE; | |
2180 | } | |
2181 | ||
b801d8b2 | 2182 | switch (request) { |
4a2909a7 JF |
2183 | case REQ_MOVE_UP: |
2184 | case REQ_MOVE_DOWN: | |
2185 | case REQ_MOVE_PAGE_UP: | |
2186 | case REQ_MOVE_PAGE_DOWN: | |
2187 | case REQ_MOVE_FIRST_LINE: | |
2188 | case REQ_MOVE_LAST_LINE: | |
8522ecc7 | 2189 | move_view(view, request); |
fd85fef1 JF |
2190 | break; |
2191 | ||
4a2909a7 JF |
2192 | case REQ_SCROLL_LINE_DOWN: |
2193 | case REQ_SCROLL_LINE_UP: | |
2194 | case REQ_SCROLL_PAGE_DOWN: | |
2195 | case REQ_SCROLL_PAGE_UP: | |
a28bcc22 | 2196 | scroll_view(view, request); |
b801d8b2 JF |
2197 | break; |
2198 | ||
e733ee54 JF |
2199 | case REQ_VIEW_BLOB: |
2200 | if (!ref_blob[0]) { | |
550cd4b5 JF |
2201 | report("No file chosen, press %s to open tree view", |
2202 | get_key(REQ_VIEW_TREE)); | |
e733ee54 JF |
2203 | break; |
2204 | } | |
5c4358d1 JF |
2205 | open_view(view, request, OPEN_DEFAULT); |
2206 | break; | |
2207 | ||
2208 | case REQ_VIEW_PAGER: | |
b64c5b75 | 2209 | if (!opt_pipe && !VIEW(REQ_VIEW_PAGER)->lines) { |
5c4358d1 JF |
2210 | report("No pager content, press %s to run command from prompt", |
2211 | get_key(REQ_PROMPT)); | |
2212 | break; | |
2213 | } | |
2214 | open_view(view, request, OPEN_DEFAULT); | |
2215 | break; | |
2216 | ||
3e634113 JF |
2217 | case REQ_VIEW_STAGE: |
2218 | if (!VIEW(REQ_VIEW_STAGE)->lines) { | |
2219 | report("No stage content, press %s to open the status view and choose file", | |
2220 | get_key(REQ_VIEW_STATUS)); | |
2221 | break; | |
2222 | } | |
2223 | open_view(view, request, OPEN_DEFAULT); | |
2224 | break; | |
2225 | ||
4a2909a7 | 2226 | case REQ_VIEW_MAIN: |
4a2909a7 | 2227 | case REQ_VIEW_DIFF: |
2e8488b4 | 2228 | case REQ_VIEW_LOG: |
e733ee54 | 2229 | case REQ_VIEW_TREE: |
2e8488b4 | 2230 | case REQ_VIEW_HELP: |
173d76ea | 2231 | case REQ_VIEW_STATUS: |
49f2b43f | 2232 | open_view(view, request, OPEN_DEFAULT); |
b801d8b2 JF |
2233 | break; |
2234 | ||
b3a54cba JF |
2235 | case REQ_NEXT: |
2236 | case REQ_PREVIOUS: | |
2237 | request = request == REQ_NEXT ? REQ_MOVE_DOWN : REQ_MOVE_UP; | |
2238 | ||
e733ee54 JF |
2239 | if ((view == VIEW(REQ_VIEW_DIFF) && |
2240 | view->parent == VIEW(REQ_VIEW_MAIN)) || | |
3e634113 | 2241 | (view == VIEW(REQ_VIEW_STAGE) && |
b9b5b4cd | 2242 | view->parent == VIEW(REQ_VIEW_STATUS)) || |
e733ee54 JF |
2243 | (view == VIEW(REQ_VIEW_BLOB) && |
2244 | view->parent == VIEW(REQ_VIEW_TREE))) { | |
03400136 WF |
2245 | int line; |
2246 | ||
b3a54cba | 2247 | view = view->parent; |
03400136 | 2248 | line = view->lineno; |
8522ecc7 JF |
2249 | move_view(view, request); |
2250 | if (view_is_displayed(view)) | |
f0b3ab80 | 2251 | update_view_title(view); |
328d27f7 JF |
2252 | if (line != view->lineno) |
2253 | view->ops->request(view, REQ_ENTER, | |
2254 | &view->line[view->lineno]); | |
2255 | ||
b3a54cba | 2256 | } else { |
8522ecc7 | 2257 | move_view(view, request); |
b3a54cba | 2258 | } |
328d27f7 | 2259 | break; |
6b161b31 | 2260 | |
03a93dbb JF |
2261 | case REQ_VIEW_NEXT: |
2262 | { | |
9f41488f | 2263 | int nviews = displayed_views(); |
03a93dbb JF |
2264 | int next_view = (current_view + 1) % nviews; |
2265 | ||
2266 | if (next_view == current_view) { | |
2267 | report("Only one view is displayed"); | |
2268 | break; | |
2269 | } | |
2270 | ||
2271 | current_view = next_view; | |
2272 | /* Blur out the title of the previous view. */ | |
2273 | update_view_title(view); | |
6734f6b9 | 2274 | report(""); |
03a93dbb JF |
2275 | break; |
2276 | } | |
24b5b3e0 | 2277 | case REQ_TOGGLE_LINENO: |
b76c2afc | 2278 | opt_line_number = !opt_line_number; |
20bb5e18 | 2279 | redraw_display(); |
b801d8b2 JF |
2280 | break; |
2281 | ||
54efb62b JF |
2282 | case REQ_TOGGLE_REV_GRAPH: |
2283 | opt_rev_graph = !opt_rev_graph; | |
2284 | redraw_display(); | |
2285 | break; | |
2286 | ||
03a93dbb | 2287 | case REQ_PROMPT: |
8855ada4 | 2288 | /* Always reload^Wrerun commands from the prompt. */ |
49f2b43f | 2289 | open_view(view, opt_request, OPEN_RELOAD); |
03a93dbb JF |
2290 | break; |
2291 | ||
4af34daa JF |
2292 | case REQ_SEARCH: |
2293 | case REQ_SEARCH_BACK: | |
c02d8fce | 2294 | search_view(view, request); |
4af34daa JF |
2295 | break; |
2296 | ||
2297 | case REQ_FIND_NEXT: | |
2298 | case REQ_FIND_PREV: | |
2299 | find_next(view, request); | |
2300 | break; | |
2301 | ||
4a2909a7 | 2302 | case REQ_STOP_LOADING: |
59a45d3a JF |
2303 | for (i = 0; i < ARRAY_SIZE(views); i++) { |
2304 | view = &views[i]; | |
2e8488b4 | 2305 | if (view->pipe) |
6a7bb912 | 2306 | report("Stopped loading the %s view", view->name), |
03a93dbb JF |
2307 | end_update(view); |
2308 | } | |
b801d8b2 JF |
2309 | break; |
2310 | ||
4a2909a7 | 2311 | case REQ_SHOW_VERSION: |
ec31d0d0 | 2312 | report("tig-%s (built %s)", TIG_VERSION, __DATE__); |
b801d8b2 JF |
2313 | return TRUE; |
2314 | ||
fac7db6c JF |
2315 | case REQ_SCREEN_RESIZE: |
2316 | resize_display(); | |
2317 | /* Fall-through */ | |
4a2909a7 | 2318 | case REQ_SCREEN_REDRAW: |
20bb5e18 | 2319 | redraw_display(); |
4a2909a7 JF |
2320 | break; |
2321 | ||
0cea0d43 JF |
2322 | case REQ_EDIT: |
2323 | report("Nothing to edit"); | |
531c6c69 JF |
2324 | break; |
2325 | ||
2326 | case REQ_ENTER: | |
2327 | report("Nothing to enter"); | |
2328 | break; | |
ca1d71ea | 2329 | |
1d754561 | 2330 | case REQ_NONE: |
b801d8b2 JF |
2331 | doupdate(); |
2332 | return TRUE; | |
2333 | ||
4f9b667a | 2334 | case REQ_VIEW_CLOSE: |
2fcf5401 JF |
2335 | /* XXX: Mark closed views by letting view->parent point to the |
2336 | * view itself. Parents to closed view should never be | |
2337 | * followed. */ | |
2338 | if (view->parent && | |
2339 | view->parent->parent != view->parent) { | |
4f9b667a JF |
2340 | memset(display, 0, sizeof(display)); |
2341 | current_view = 0; | |
f6da0b66 | 2342 | display[current_view] = view->parent; |
2fcf5401 | 2343 | view->parent = view; |
4f9b667a JF |
2344 | resize_display(); |
2345 | redraw_display(); | |
2346 | break; | |
2347 | } | |
2348 | /* Fall-through */ | |
b801d8b2 JF |
2349 | case REQ_QUIT: |
2350 | return FALSE; | |
2351 | ||
2352 | default: | |
2e8488b4 | 2353 | /* An unknown key will show most commonly used commands. */ |
468876c9 | 2354 | report("Unknown key, press 'h' for help"); |
b801d8b2 JF |
2355 | return TRUE; |
2356 | } | |
2357 | ||
2358 | return TRUE; | |
2359 | } | |
2360 | ||
2361 | ||
2362 | /* | |
ff26aa29 | 2363 | * Pager backend |
b801d8b2 JF |
2364 | */ |
2365 | ||
6b161b31 | 2366 | static bool |
5dcf8064 | 2367 | pager_draw(struct view *view, struct line *line, unsigned int lineno, bool selected) |
b801d8b2 | 2368 | { |
fe7233c3 JF |
2369 | char *text = line->data; |
2370 | enum line_type type = line->type; | |
2371 | int textlen = strlen(text); | |
78c70acd | 2372 | int attr; |
b801d8b2 | 2373 | |
6706b2ba JF |
2374 | wmove(view->win, lineno, 0); |
2375 | ||
5dcf8064 | 2376 | if (selected) { |
78c70acd | 2377 | type = LINE_CURSOR; |
6706b2ba | 2378 | wchgat(view->win, -1, 0, type, NULL); |
fd85fef1 JF |
2379 | } |
2380 | ||
78c70acd | 2381 | attr = get_line_attr(type); |
b801d8b2 | 2382 | wattrset(view->win, attr); |
b76c2afc | 2383 | |
6706b2ba JF |
2384 | if (opt_line_number || opt_tab_size < TABSIZE) { |
2385 | static char spaces[] = " "; | |
2386 | int col_offset = 0, col = 0; | |
2387 | ||
2388 | if (opt_line_number) { | |
2389 | unsigned long real_lineno = view->offset + lineno + 1; | |
82e78006 | 2390 | |
6706b2ba JF |
2391 | if (real_lineno == 1 || |
2392 | (real_lineno % opt_num_interval) == 0) { | |
2393 | wprintw(view->win, "%.*d", view->digits, real_lineno); | |
8855ada4 | 2394 | |
6706b2ba JF |
2395 | } else { |
2396 | waddnstr(view->win, spaces, | |
2397 | MIN(view->digits, STRING_SIZE(spaces))); | |
2398 | } | |
2399 | waddstr(view->win, ": "); | |
2400 | col_offset = view->digits + 2; | |
2401 | } | |
8855ada4 | 2402 | |
fe7233c3 | 2403 | while (text && col_offset + col < view->width) { |
6706b2ba | 2404 | int cols_max = view->width - col_offset - col; |
fe7233c3 | 2405 | char *pos = text; |
6706b2ba | 2406 | int cols; |
4c6fabc2 | 2407 | |
fe7233c3 JF |
2408 | if (*text == '\t') { |
2409 | text++; | |
6706b2ba | 2410 | assert(sizeof(spaces) > TABSIZE); |
fe7233c3 | 2411 | pos = spaces; |
6706b2ba | 2412 | cols = opt_tab_size - (col % opt_tab_size); |
82e78006 | 2413 | |
b76c2afc | 2414 | } else { |
fe7233c3 JF |
2415 | text = strchr(text, '\t'); |
2416 | cols = line ? text - pos : strlen(pos); | |
b76c2afc | 2417 | } |
6706b2ba | 2418 | |
fe7233c3 | 2419 | waddnstr(view->win, pos, MIN(cols, cols_max)); |
6706b2ba | 2420 | col += cols; |
b76c2afc | 2421 | } |
b76c2afc JF |
2422 | |
2423 | } else { | |
6706b2ba | 2424 | int col = 0, pos = 0; |
b801d8b2 | 2425 | |
fe7233c3 JF |
2426 | for (; pos < textlen && col < view->width; pos++, col++) |
2427 | if (text[pos] == '\t') | |
6706b2ba JF |
2428 | col += TABSIZE - (col % TABSIZE) - 1; |
2429 | ||
fe7233c3 | 2430 | waddnstr(view->win, text, pos); |
6706b2ba | 2431 | } |
2e8488b4 | 2432 | |
b801d8b2 JF |
2433 | return TRUE; |
2434 | } | |
2435 | ||
dc23c0e3 | 2436 | static bool |
d65ced0d | 2437 | add_describe_ref(char *buf, size_t *bufpos, char *commit_id, const char *sep) |
dc23c0e3 | 2438 | { |
17482b11 | 2439 | char refbuf[SIZEOF_STR]; |
dc23c0e3 JF |
2440 | char *ref = NULL; |
2441 | FILE *pipe; | |
2442 | ||
d3c345f7 | 2443 | if (!string_format(refbuf, "git describe %s 2>/dev/null", commit_id)) |
dc23c0e3 JF |
2444 | return TRUE; |
2445 | ||
2446 | pipe = popen(refbuf, "r"); | |
2447 | if (!pipe) | |
2448 | return TRUE; | |
2449 | ||
2450 | if ((ref = fgets(refbuf, sizeof(refbuf), pipe))) | |
2451 | ref = chomp_string(ref); | |
2452 | pclose(pipe); | |
2453 | ||
2454 | if (!ref || !*ref) | |
2455 | return TRUE; | |
2456 | ||
2457 | /* This is the only fatal call, since it can "corrupt" the buffer. */ | |
17482b11 | 2458 | if (!string_nformat(buf, SIZEOF_STR, bufpos, "%s%s", sep, ref)) |
dc23c0e3 JF |
2459 | return FALSE; |
2460 | ||
2461 | return TRUE; | |
2462 | } | |
2463 | ||
7b99a34c JF |
2464 | static void |
2465 | add_pager_refs(struct view *view, struct line *line) | |
2466 | { | |
17482b11 | 2467 | char buf[SIZEOF_STR]; |
c9ca1ec3 | 2468 | char *commit_id = line->data + STRING_SIZE("commit "); |
7b99a34c | 2469 | struct ref **refs; |
d65ced0d | 2470 | size_t bufpos = 0, refpos = 0; |
7b99a34c | 2471 | const char *sep = "Refs: "; |
dc23c0e3 | 2472 | bool is_tag = FALSE; |
7b99a34c JF |
2473 | |
2474 | assert(line->type == LINE_COMMIT); | |
2475 | ||
c9ca1ec3 | 2476 | refs = get_refs(commit_id); |
dc23c0e3 JF |
2477 | if (!refs) { |
2478 | if (view == VIEW(REQ_VIEW_DIFF)) | |
2479 | goto try_add_describe_ref; | |
7b99a34c | 2480 | return; |
dc23c0e3 | 2481 | } |
7b99a34c JF |
2482 | |
2483 | do { | |
cc2d1364 | 2484 | struct ref *ref = refs[refpos]; |
e15ec88e JF |
2485 | char *fmt = ref->tag ? "%s[%s]" : |
2486 | ref->remote ? "%s<%s>" : "%s%s"; | |
7b99a34c | 2487 | |
cc2d1364 JF |
2488 | if (!string_format_from(buf, &bufpos, fmt, sep, ref->name)) |
2489 | return; | |
7b99a34c | 2490 | sep = ", "; |
dc23c0e3 JF |
2491 | if (ref->tag) |
2492 | is_tag = TRUE; | |
7b99a34c JF |
2493 | } while (refs[refpos++]->next); |
2494 | ||
dc23c0e3 JF |
2495 | if (!is_tag && view == VIEW(REQ_VIEW_DIFF)) { |
2496 | try_add_describe_ref: | |
d42c8a35 | 2497 | /* Add <tag>-g<commit_id> "fake" reference. */ |
dc23c0e3 JF |
2498 | if (!add_describe_ref(buf, &bufpos, commit_id, sep)) |
2499 | return; | |
2500 | } | |
2501 | ||
d42c8a35 JF |
2502 | if (bufpos == 0) |
2503 | return; | |
2504 | ||
cc2d1364 | 2505 | if (!realloc_lines(view, view->line_size + 1)) |
7b99a34c JF |
2506 | return; |
2507 | ||
0a0d8910 | 2508 | add_line_text(view, buf, LINE_PP_REFS); |
7b99a34c JF |
2509 | } |
2510 | ||
6b161b31 | 2511 | static bool |
701e4f5d | 2512 | pager_read(struct view *view, char *data) |
22f66b0a | 2513 | { |
0a0d8910 | 2514 | struct line *line; |
22f66b0a | 2515 | |
be04d936 JF |
2516 | if (!data) |
2517 | return TRUE; | |
2518 | ||
0a0d8910 JF |
2519 | line = add_line_text(view, data, get_line_type(data)); |
2520 | if (!line) | |
7b99a34c | 2521 | return FALSE; |
fe7233c3 | 2522 | |
7b99a34c JF |
2523 | if (line->type == LINE_COMMIT && |
2524 | (view == VIEW(REQ_VIEW_DIFF) || | |
2525 | view == VIEW(REQ_VIEW_LOG))) | |
2526 | add_pager_refs(view, line); | |
2527 | ||
22f66b0a JF |
2528 | return TRUE; |
2529 | } | |
2530 | ||
586c423d JF |
2531 | static enum request |
2532 | pager_request(struct view *view, enum request request, struct line *line) | |
6b161b31 | 2533 | { |
91e8e277 | 2534 | int split = 0; |
6b161b31 | 2535 | |
586c423d JF |
2536 | if (request != REQ_ENTER) |
2537 | return request; | |
2538 | ||
9fbbd28f JF |
2539 | if (line->type == LINE_COMMIT && |
2540 | (view == VIEW(REQ_VIEW_LOG) || | |
2541 | view == VIEW(REQ_VIEW_PAGER))) { | |
91e8e277 JF |
2542 | open_view(view, REQ_VIEW_DIFF, OPEN_SPLIT); |
2543 | split = 1; | |
67e48ac5 JF |
2544 | } |
2545 | ||
91e8e277 JF |
2546 | /* Always scroll the view even if it was split. That way |
2547 | * you can use Enter to scroll through the log view and | |
2548 | * split open each commit diff. */ | |
2549 | scroll_view(view, REQ_SCROLL_LINE_DOWN); | |
2550 | ||
2551 | /* FIXME: A minor workaround. Scrolling the view will call report("") | |
9d82d824 JF |
2552 | * but if we are scrolling a non-current view this won't properly |
2553 | * update the view title. */ | |
91e8e277 JF |
2554 | if (split) |
2555 | update_view_title(view); | |
6b161b31 | 2556 | |
586c423d | 2557 | return REQ_NONE; |
6b161b31 JF |
2558 | } |
2559 | ||
4af34daa JF |
2560 | static bool |
2561 | pager_grep(struct view *view, struct line *line) | |
2562 | { | |
2563 | regmatch_t pmatch; | |
2564 | char *text = line->data; | |
2565 | ||
2566 | if (!*text) | |
2567 | return FALSE; | |
2568 | ||
b77b2cb8 | 2569 | if (regexec(view->regex, text, 1, &pmatch, 0) == REG_NOMATCH) |
4af34daa JF |
2570 | return FALSE; |
2571 | ||
2572 | return TRUE; | |
2573 | } | |
2574 | ||
d720de4b JF |
2575 | static void |
2576 | pager_select(struct view *view, struct line *line) | |
2577 | { | |
2578 | if (line->type == LINE_COMMIT) { | |
035ba11f | 2579 | char *text = line->data + STRING_SIZE("commit "); |
d720de4b | 2580 | |
035ba11f | 2581 | if (view != VIEW(REQ_VIEW_PAGER)) |
2463b4ea JF |
2582 | string_copy_rev(view->ref, text); |
2583 | string_copy_rev(ref_commit, text); | |
d720de4b JF |
2584 | } |
2585 | } | |
2586 | ||
6b161b31 | 2587 | static struct view_ops pager_ops = { |
6734f6b9 | 2588 | "line", |
f098944b | 2589 | NULL, |
6b161b31 | 2590 | pager_read, |
f098944b | 2591 | pager_draw, |
586c423d | 2592 | pager_request, |
f098944b JF |
2593 | pager_grep, |
2594 | pager_select, | |
2595 | }; | |
2596 | ||
2597 | ||
2598 | /* | |
2599 | * Help backend | |
2600 | */ | |
2601 | ||
2602 | static bool | |
2603 | help_open(struct view *view) | |
2604 | { | |
2605 | char buf[BUFSIZ]; | |
2606 | int lines = ARRAY_SIZE(req_info) + 2; | |
2607 | int i; | |
2608 | ||
2609 | if (view->lines > 0) | |
2610 | return TRUE; | |
2611 | ||
2612 | for (i = 0; i < ARRAY_SIZE(req_info); i++) | |
2613 | if (!req_info[i].request) | |
2614 | lines++; | |
2615 | ||
2616 | view->line = calloc(lines, sizeof(*view->line)); | |
2617 | if (!view->line) | |
2618 | return FALSE; | |
2619 | ||
2620 | add_line_text(view, "Quick reference for tig keybindings:", LINE_DEFAULT); | |
2621 | ||
2622 | for (i = 0; i < ARRAY_SIZE(req_info); i++) { | |
2623 | char *key; | |
2624 | ||
2625 | if (!req_info[i].request) { | |
2626 | add_line_text(view, "", LINE_DEFAULT); | |
2627 | add_line_text(view, req_info[i].help, LINE_DEFAULT); | |
2628 | continue; | |
2629 | } | |
2630 | ||
2631 | key = get_key(req_info[i].request); | |
2632 | if (!string_format(buf, " %-25s %s", key, req_info[i].help)) | |
2633 | continue; | |
2634 | ||
2635 | add_line_text(view, buf, LINE_DEFAULT); | |
2636 | } | |
2637 | ||
2638 | return TRUE; | |
2639 | } | |
2640 | ||
2641 | static struct view_ops help_ops = { | |
2642 | "line", | |
2643 | help_open, | |
2644 | NULL, | |
2645 | pager_draw, | |
586c423d | 2646 | pager_request, |
4af34daa | 2647 | pager_grep, |
d720de4b | 2648 | pager_select, |
6b161b31 JF |
2649 | }; |
2650 | ||
80ce96ea | 2651 | |
ff26aa29 | 2652 | /* |
e733ee54 JF |
2653 | * Tree backend |
2654 | */ | |
2655 | ||
69efc854 JF |
2656 | struct tree_stack_entry { |
2657 | struct tree_stack_entry *prev; /* Entry below this in the stack */ | |
2658 | unsigned long lineno; /* Line number to restore */ | |
2659 | char *name; /* Position of name in opt_path */ | |
2660 | }; | |
2661 | ||
2662 | /* The top of the path stack. */ | |
2663 | static struct tree_stack_entry *tree_stack = NULL; | |
2664 | unsigned long tree_lineno = 0; | |
2665 | ||
2666 | static void | |
2667 | pop_tree_stack_entry(void) | |
2668 | { | |
2669 | struct tree_stack_entry *entry = tree_stack; | |
2670 | ||
2671 | tree_lineno = entry->lineno; | |
2672 | entry->name[0] = 0; | |
2673 | tree_stack = entry->prev; | |
2674 | free(entry); | |
2675 | } | |
2676 | ||
2677 | static void | |
2678 | push_tree_stack_entry(char *name, unsigned long lineno) | |
2679 | { | |
2680 | struct tree_stack_entry *entry = calloc(1, sizeof(*entry)); | |
2681 | size_t pathlen = strlen(opt_path); | |
2682 | ||
2683 | if (!entry) | |
2684 | return; | |
2685 | ||
2686 | entry->prev = tree_stack; | |
2687 | entry->name = opt_path + pathlen; | |
2688 | tree_stack = entry; | |
2689 | ||
2690 | if (!string_format_from(opt_path, &pathlen, "%s/", name)) { | |
2691 | pop_tree_stack_entry(); | |
2692 | return; | |
2693 | } | |
2694 | ||
2695 | /* Move the current line to the first tree entry. */ | |
2696 | tree_lineno = 1; | |
2697 | entry->lineno = lineno; | |
2698 | } | |
2699 | ||
4795d620 | 2700 | /* Parse output from git-ls-tree(1): |
e733ee54 JF |
2701 | * |
2702 | * 100644 blob fb0e31ea6cc679b7379631188190e975f5789c26 Makefile | |
2703 | * 100644 blob 5304ca4260aaddaee6498f9630e7d471b8591ea6 README | |
2704 | * 100644 blob f931e1d229c3e185caad4449bf5b66ed72462657 tig.c | |
2705 | * 100644 blob ed09fe897f3c7c9af90bcf80cae92558ea88ae38 web.conf | |
2706 | */ | |
2707 | ||
2708 | #define SIZEOF_TREE_ATTR \ | |
2709 | STRING_SIZE("100644 blob ed09fe897f3c7c9af90bcf80cae92558ea88ae38\t") | |
2710 | ||
2711 | #define TREE_UP_FORMAT "040000 tree %s\t.." | |
2712 | ||
2713 | static int | |
2714 | tree_compare_entry(enum line_type type1, char *name1, | |
2715 | enum line_type type2, char *name2) | |
2716 | { | |
2717 | if (type1 != type2) { | |
2718 | if (type1 == LINE_TREE_DIR) | |
2719 | return -1; | |
2720 | return 1; | |
2721 | } | |
2722 | ||
2723 | return strcmp(name1, name2); | |
2724 | } | |
2725 | ||
2726 | static bool | |
2727 | tree_read(struct view *view, char *text) | |
2728 | { | |
be04d936 | 2729 | size_t textlen = text ? strlen(text) : 0; |
e733ee54 JF |
2730 | char buf[SIZEOF_STR]; |
2731 | unsigned long pos; | |
2732 | enum line_type type; | |
f88a5319 | 2733 | bool first_read = view->lines == 0; |
e733ee54 JF |
2734 | |
2735 | if (textlen <= SIZEOF_TREE_ATTR) | |
2736 | return FALSE; | |
2737 | ||
2738 | type = text[STRING_SIZE("100644 ")] == 't' | |
2739 | ? LINE_TREE_DIR : LINE_TREE_FILE; | |
2740 | ||
f88a5319 | 2741 | if (first_read) { |
e733ee54 | 2742 | /* Add path info line */ |
0a0d8910 JF |
2743 | if (!string_format(buf, "Directory path /%s", opt_path) || |
2744 | !realloc_lines(view, view->line_size + 1) || | |
2745 | !add_line_text(view, buf, LINE_DEFAULT)) | |
e733ee54 JF |
2746 | return FALSE; |
2747 | ||
2748 | /* Insert "link" to parent directory. */ | |
0a0d8910 JF |
2749 | if (*opt_path) { |
2750 | if (!string_format(buf, TREE_UP_FORMAT, view->ref) || | |
2751 | !realloc_lines(view, view->line_size + 1) || | |
2752 | !add_line_text(view, buf, LINE_TREE_DIR)) | |
2753 | return FALSE; | |
2754 | } | |
e733ee54 JF |
2755 | } |
2756 | ||
2757 | /* Strip the path part ... */ | |
2758 | if (*opt_path) { | |
2759 | size_t pathlen = textlen - SIZEOF_TREE_ATTR; | |
2760 | size_t striplen = strlen(opt_path); | |
2761 | char *path = text + SIZEOF_TREE_ATTR; | |
2762 | ||
2763 | if (pathlen > striplen) | |
2764 | memmove(path, path + striplen, | |
2765 | pathlen - striplen + 1); | |
2766 | } | |
2767 | ||
2768 | /* Skip "Directory ..." and ".." line. */ | |
2769 | for (pos = 1 + !!*opt_path; pos < view->lines; pos++) { | |
2770 | struct line *line = &view->line[pos]; | |
2771 | char *path1 = ((char *) line->data) + SIZEOF_TREE_ATTR; | |
2772 | char *path2 = text + SIZEOF_TREE_ATTR; | |
2773 | int cmp = tree_compare_entry(line->type, path1, type, path2); | |
2774 | ||
2775 | if (cmp <= 0) | |
2776 | continue; | |
2777 | ||
2778 | text = strdup(text); | |
2779 | if (!text) | |
2780 | return FALSE; | |
2781 | ||
2782 | if (view->lines > pos) | |
2783 | memmove(&view->line[pos + 1], &view->line[pos], | |
2784 | (view->lines - pos) * sizeof(*line)); | |
2785 | ||
2786 | line = &view->line[pos]; | |
2787 | line->data = text; | |
2788 | line->type = type; | |
2789 | view->lines++; | |
2790 | return TRUE; | |
2791 | } | |
2792 | ||
0a0d8910 | 2793 | if (!add_line_text(view, text, type)) |
e733ee54 JF |
2794 | return FALSE; |
2795 | ||
69efc854 JF |
2796 | if (tree_lineno > view->lineno) { |
2797 | view->lineno = tree_lineno; | |
2798 | tree_lineno = 0; | |
2799 | } | |
f88a5319 | 2800 | |
e733ee54 JF |
2801 | return TRUE; |
2802 | } | |
2803 | ||
586c423d JF |
2804 | static enum request |
2805 | tree_request(struct view *view, enum request request, struct line *line) | |
e733ee54 | 2806 | { |
aac64c17 | 2807 | enum open_flags flags; |
586c423d JF |
2808 | |
2809 | if (request != REQ_ENTER) | |
2810 | return request; | |
e733ee54 | 2811 | |
69efc854 JF |
2812 | /* Cleanup the stack if the tree view is at a different tree. */ |
2813 | while (!*opt_path && tree_stack) | |
2814 | pop_tree_stack_entry(); | |
2815 | ||
e733ee54 JF |
2816 | switch (line->type) { |
2817 | case LINE_TREE_DIR: | |
2818 | /* Depending on whether it is a subdir or parent (updir?) link | |
2819 | * mangle the path buffer. */ | |
2820 | if (line == &view->line[1] && *opt_path) { | |
69efc854 | 2821 | pop_tree_stack_entry(); |
e733ee54 JF |
2822 | |
2823 | } else { | |
4795d620 | 2824 | char *data = line->data; |
e733ee54 JF |
2825 | char *basename = data + SIZEOF_TREE_ATTR; |
2826 | ||
69efc854 | 2827 | push_tree_stack_entry(basename, view->lineno); |
e733ee54 JF |
2828 | } |
2829 | ||
2830 | /* Trees and subtrees share the same ID, so they are not not | |
2831 | * unique like blobs. */ | |
aac64c17 | 2832 | flags = OPEN_RELOAD; |
e733ee54 JF |
2833 | request = REQ_VIEW_TREE; |
2834 | break; | |
2835 | ||
2836 | case LINE_TREE_FILE: | |
aac64c17 | 2837 | flags = display[0] == view ? OPEN_SPLIT : OPEN_DEFAULT; |
e733ee54 JF |
2838 | request = REQ_VIEW_BLOB; |
2839 | break; | |
2840 | ||
2841 | default: | |
2842 | return TRUE; | |
2843 | } | |
2844 | ||
2845 | open_view(view, request, flags); | |
69efc854 JF |
2846 | if (request == REQ_VIEW_TREE) { |
2847 | view->lineno = tree_lineno; | |
2848 | } | |
e733ee54 | 2849 | |
586c423d | 2850 | return REQ_NONE; |
e733ee54 JF |
2851 | } |
2852 | ||
d720de4b JF |
2853 | static void |
2854 | tree_select(struct view *view, struct line *line) | |
2855 | { | |
035ba11f | 2856 | char *text = line->data + STRING_SIZE("100644 blob "); |
73c76ef5 JF |
2857 | |
2858 | if (line->type == LINE_TREE_FILE) { | |
2463b4ea | 2859 | string_copy_rev(ref_blob, text); |
d720de4b | 2860 | |
ebbaf4fe JF |
2861 | } else if (line->type != LINE_TREE_DIR) { |
2862 | return; | |
d720de4b | 2863 | } |
ebbaf4fe | 2864 | |
2463b4ea | 2865 | string_copy_rev(view->ref, text); |
d720de4b JF |
2866 | } |
2867 | ||
e733ee54 JF |
2868 | static struct view_ops tree_ops = { |
2869 | "file", | |
f098944b | 2870 | NULL, |
e733ee54 | 2871 | tree_read, |
f098944b | 2872 | pager_draw, |
586c423d | 2873 | tree_request, |
e733ee54 | 2874 | pager_grep, |
d720de4b | 2875 | tree_select, |
e733ee54 JF |
2876 | }; |
2877 | ||
2878 | static bool | |
2879 | blob_read(struct view *view, char *line) | |
2880 | { | |
c115e7ac | 2881 | return add_line_text(view, line, LINE_DEFAULT) != NULL; |
e733ee54 JF |
2882 | } |
2883 | ||
2884 | static struct view_ops blob_ops = { | |
2885 | "line", | |
f098944b | 2886 | NULL, |
e733ee54 | 2887 | blob_read, |
f098944b | 2888 | pager_draw, |
586c423d | 2889 | pager_request, |
e733ee54 | 2890 | pager_grep, |
d720de4b | 2891 | pager_select, |
e733ee54 JF |
2892 | }; |
2893 | ||
2894 | ||
2895 | /* | |
173d76ea JF |
2896 | * Status backend |
2897 | */ | |
2898 | ||
2899 | struct status { | |
2900 | char status; | |
2901 | struct { | |
2902 | mode_t mode; | |
2903 | char rev[SIZEOF_REV]; | |
2904 | } old; | |
2905 | struct { | |
2906 | mode_t mode; | |
2907 | char rev[SIZEOF_REV]; | |
2908 | } new; | |
2909 | char name[SIZEOF_STR]; | |
2910 | }; | |
2911 | ||
b33611d8 JF |
2912 | static struct status stage_status; |
2913 | static enum line_type stage_line_type; | |
2914 | ||
173d76ea JF |
2915 | /* Get fields from the diff line: |
2916 | * :100644 100644 06a5d6ae9eca55be2e0e585a152e6b1336f2b20e 0000000000000000000000000000000000000000 M | |
2917 | */ | |
2918 | static inline bool | |
2919 | status_get_diff(struct status *file, char *buf, size_t bufsize) | |
2920 | { | |
2921 | char *old_mode = buf + 1; | |
2922 | char *new_mode = buf + 8; | |
2923 | char *old_rev = buf + 15; | |
2924 | char *new_rev = buf + 56; | |
2925 | char *status = buf + 97; | |
2926 | ||
2927 | if (bufsize != 99 || | |
2928 | old_mode[-1] != ':' || | |
2929 | new_mode[-1] != ' ' || | |
2930 | old_rev[-1] != ' ' || | |
2931 | new_rev[-1] != ' ' || | |
2932 | status[-1] != ' ') | |
2933 | return FALSE; | |
2934 | ||
2935 | file->status = *status; | |
2936 | ||
2937 | string_copy_rev(file->old.rev, old_rev); | |
2938 | string_copy_rev(file->new.rev, new_rev); | |
2939 | ||
2940 | file->old.mode = strtoul(old_mode, NULL, 8); | |
2941 | file->new.mode = strtoul(new_mode, NULL, 8); | |
2942 | ||
2943 | file->name[0] = 0; | |
2944 | ||
2945 | return TRUE; | |
2946 | } | |
2947 | ||
2948 | static bool | |
2949 | status_run(struct view *view, const char cmd[], bool diff, enum line_type type) | |
2950 | { | |
2951 | struct status *file = NULL; | |
2952 | char buf[SIZEOF_STR * 4]; | |
2953 | size_t bufsize = 0; | |
2954 | FILE *pipe; | |
2955 | ||
2956 | pipe = popen(cmd, "r"); | |
2957 | if (!pipe) | |
2958 | return FALSE; | |
2959 | ||
2960 | add_line_data(view, NULL, type); | |
2961 | ||
2962 | while (!feof(pipe) && !ferror(pipe)) { | |
2963 | char *sep; | |
2964 | size_t readsize; | |
2965 | ||
2966 | readsize = fread(buf + bufsize, 1, sizeof(buf) - bufsize, pipe); | |
2967 | if (!readsize) | |
2968 | break; | |
2969 | bufsize += readsize; | |
2970 | ||
2971 | /* Process while we have NUL chars. */ | |
2972 | while ((sep = memchr(buf, 0, bufsize))) { | |
2973 | size_t sepsize = sep - buf + 1; | |
2974 | ||
2975 | if (!file) { | |
2976 | if (!realloc_lines(view, view->line_size + 1)) | |
2977 | goto error_out; | |
2978 | ||
2979 | file = calloc(1, sizeof(*file)); | |
2980 | if (!file) | |
2981 | goto error_out; | |
2982 | ||
2983 | add_line_data(view, file, type); | |
2984 | } | |
2985 | ||
2986 | /* Parse diff info part. */ | |
2987 | if (!diff) { | |
2988 | file->status = '?'; | |
2989 | ||
2990 | } else if (!file->status) { | |
2991 | if (!status_get_diff(file, buf, sepsize)) | |
2992 | goto error_out; | |
2993 | ||
2994 | bufsize -= sepsize; | |
2995 | memmove(buf, sep + 1, bufsize); | |
2996 | ||
2997 | sep = memchr(buf, 0, bufsize); | |
2998 | if (!sep) | |
2999 | break; | |
3000 | sepsize = sep - buf + 1; | |
3001 | } | |
3002 | ||
3003 | /* git-ls-files just delivers a NUL separated | |
3004 | * list of file names similar to the second half | |
3005 | * of the git-diff-* output. */ | |
3006 | string_ncopy(file->name, buf, sepsize); | |
3007 | bufsize -= sepsize; | |
3008 | memmove(buf, sep + 1, bufsize); | |
3009 | file = NULL; | |
3010 | } | |
3011 | } | |
3012 | ||
3013 | if (ferror(pipe)) { | |
3014 | error_out: | |
3015 | pclose(pipe); | |
3016 | return FALSE; | |
3017 | } | |
3018 | ||
3019 | if (!view->line[view->lines - 1].data) | |
3020 | add_line_data(view, NULL, LINE_STAT_NONE); | |
3021 | ||
3022 | pclose(pipe); | |
3023 | return TRUE; | |
3024 | } | |
3025 | ||
3026 | #define STATUS_DIFF_INDEX_CMD "git diff-index -z --cached HEAD" | |
3027 | #define STATUS_DIFF_FILES_CMD "git diff-files -z" | |
3028 | #define STATUS_LIST_OTHER_CMD \ | |
810f0078 | 3029 | "git ls-files -z --others --exclude-per-directory=.gitignore" |
173d76ea | 3030 | |
89d917a2 JF |
3031 | #define STATUS_DIFF_SHOW_CMD \ |
3032 | "git diff --root --patch-with-stat --find-copies-harder -B -C %s -- %s 2>/dev/null" | |
3033 | ||
173d76ea JF |
3034 | /* First parse staged info using git-diff-index(1), then parse unstaged |
3035 | * info using git-diff-files(1), and finally untracked files using | |
3036 | * git-ls-files(1). */ | |
3037 | static bool | |
3038 | status_open(struct view *view) | |
3039 | { | |
810f0078 JF |
3040 | struct stat statbuf; |
3041 | char exclude[SIZEOF_STR]; | |
3042 | char cmd[SIZEOF_STR]; | |
173d76ea JF |
3043 | size_t i; |
3044 | ||
3045 | for (i = 0; i < view->lines; i++) | |
3046 | free(view->line[i].data); | |
3047 | free(view->line); | |
3048 | view->lines = view->line_size = 0; | |
3049 | view->line = NULL; | |
3050 | ||
3051 | if (!realloc_lines(view, view->line_size + 6)) | |
3052 | return FALSE; | |
3053 | ||
810f0078 JF |
3054 | if (!string_format(exclude, "%s/info/exclude", opt_git_dir)) |
3055 | return FALSE; | |
3056 | ||
3057 | string_copy(cmd, STATUS_LIST_OTHER_CMD); | |
3058 | ||
3059 | if (stat(exclude, &statbuf) >= 0) { | |
3060 | size_t cmdsize = strlen(cmd); | |
3061 | ||
3062 | if (!string_format_from(cmd, &cmdsize, " %s", "--exclude-from=") || | |
3063 | sq_quote(cmd, cmdsize, exclude) >= sizeof(cmd)) | |
3064 | return FALSE; | |
3065 | } | |
3066 | ||
173d76ea JF |
3067 | if (!status_run(view, STATUS_DIFF_INDEX_CMD, TRUE, LINE_STAT_STAGED) || |
3068 | !status_run(view, STATUS_DIFF_FILES_CMD, TRUE, LINE_STAT_UNSTAGED) || | |
810f0078 | 3069 | !status_run(view, cmd, FALSE, LINE_STAT_UNTRACKED)) |
173d76ea JF |
3070 | return FALSE; |
3071 | ||
3072 | return TRUE; | |
3073 | } | |
3074 | ||
3075 | static bool | |
3076 | status_draw(struct view *view, struct line *line, unsigned int lineno, bool selected) | |
3077 | { | |
3078 | struct status *status = line->data; | |
3079 | ||
3080 | wmove(view->win, lineno, 0); | |
3081 | ||
3082 | if (selected) { | |
3083 | wattrset(view->win, get_line_attr(LINE_CURSOR)); | |
3084 | wchgat(view->win, -1, 0, LINE_CURSOR, NULL); | |
3085 | ||
3086 | } else if (!status && line->type != LINE_STAT_NONE) { | |
3087 | wattrset(view->win, get_line_attr(LINE_STAT_SECTION)); | |
3088 | wchgat(view->win, -1, 0, LINE_STAT_SECTION, NULL); | |
3089 | ||
3090 | } else { | |
3091 | wattrset(view->win, get_line_attr(line->type)); | |
3092 | } | |
3093 | ||
3094 | if (!status) { | |
3095 | char *text; | |
3096 | ||
3097 | switch (line->type) { | |
3098 | case LINE_STAT_STAGED: | |
3099 | text = "Changes to be committed:"; | |
3100 | break; | |
3101 | ||
3102 | case LINE_STAT_UNSTAGED: | |
3103 | text = "Changed but not updated:"; | |
3104 | break; | |
3105 | ||
3106 | case LINE_STAT_UNTRACKED: | |
3107 | text = "Untracked files:"; | |
3108 | break; | |
3109 | ||
3110 | case LINE_STAT_NONE: | |
3111 | text = " (no files)"; | |
3112 | break; | |
3113 | ||
3114 | default: | |
3115 | return FALSE; | |
3116 | } | |
3117 | ||
3118 | waddstr(view->win, text); | |
3119 | return TRUE; | |
3120 | } | |
3121 | ||
3122 | waddch(view->win, status->status); | |
3123 | if (!selected) | |
3124 | wattrset(view->win, A_NORMAL); | |
3125 | wmove(view->win, lineno, 4); | |
3126 | waddstr(view->win, status->name); | |
3127 | ||
3128 | return TRUE; | |
3129 | } | |
3130 | ||
586c423d | 3131 | static enum request |
88f66e2d | 3132 | status_enter(struct view *view, struct line *line) |
173d76ea | 3133 | { |
89d917a2 | 3134 | struct status *status = line->data; |
4e8159cf | 3135 | char path[SIZEOF_STR] = ""; |
89d917a2 JF |
3136 | char *info; |
3137 | size_t cmdsize = 0; | |
3138 | ||
4e8159cf JF |
3139 | if (line->type == LINE_STAT_NONE || |
3140 | (!status && line[1].type == LINE_STAT_NONE)) { | |
3141 | report("No file to diff"); | |
586c423d | 3142 | return REQ_NONE; |
89d917a2 JF |
3143 | } |
3144 | ||
4e8159cf | 3145 | if (status && sq_quote(path, 0, status->name) >= sizeof(path)) |
586c423d | 3146 | return REQ_QUIT; |
89d917a2 JF |
3147 | |
3148 | if (opt_cdup[0] && | |
3149 | line->type != LINE_STAT_UNTRACKED && | |
3150 | !string_format_from(opt_cmd, &cmdsize, "cd %s;", opt_cdup)) | |
586c423d | 3151 | return REQ_QUIT; |
89d917a2 JF |
3152 | |
3153 | switch (line->type) { | |
3154 | case LINE_STAT_STAGED: | |
3155 | if (!string_format_from(opt_cmd, &cmdsize, STATUS_DIFF_SHOW_CMD, | |
3156 | "--cached", path)) | |
586c423d | 3157 | return REQ_QUIT; |
4e8159cf JF |
3158 | if (status) |
3159 | info = "Staged changes to %s"; | |
3160 | else | |
3161 | info = "Staged changes"; | |
89d917a2 JF |
3162 | break; |
3163 | ||
3164 | case LINE_STAT_UNSTAGED: | |
3165 | if (!string_format_from(opt_cmd, &cmdsize, STATUS_DIFF_SHOW_CMD, | |
3166 | "", path)) | |
586c423d | 3167 | return REQ_QUIT; |
4e8159cf JF |
3168 | if (status) |
3169 | info = "Unstaged changes to %s"; | |
3170 | else | |
3171 | info = "Unstaged changes"; | |
89d917a2 JF |
3172 | break; |
3173 | ||
3174 | case LINE_STAT_UNTRACKED: | |
3175 | if (opt_pipe) | |
586c423d JF |
3176 | return REQ_QUIT; |
3177 | ||
4e8159cf JF |
3178 | |
3179 | if (!status) { | |
3180 | report("No file to show"); | |
586c423d | 3181 | return REQ_NONE; |
4e8159cf JF |
3182 | } |
3183 | ||
89d917a2 JF |
3184 | opt_pipe = fopen(status->name, "r"); |
3185 | info = "Untracked file %s"; | |
3186 | break; | |
3187 | ||
3188 | default: | |
3189 | die("w00t"); | |
3190 | } | |
3191 | ||
3e634113 JF |
3192 | open_view(view, REQ_VIEW_STAGE, OPEN_RELOAD | OPEN_SPLIT); |
3193 | if (view_is_displayed(VIEW(REQ_VIEW_STAGE))) { | |
b33611d8 JF |
3194 | if (status) { |
3195 | stage_status = *status; | |
3196 | } else { | |
3197 | memset(&stage_status, 0, sizeof(stage_status)); | |
3198 | } | |
3199 | ||
3200 | stage_line_type = line->type; | |
3201 | string_format(VIEW(REQ_VIEW_STAGE)->ref, info, stage_status.name); | |
89d917a2 JF |
3202 | } |
3203 | ||
586c423d | 3204 | return REQ_NONE; |
ca1d71ea JF |
3205 | } |
3206 | ||
88f66e2d | 3207 | |
ca1d71ea JF |
3208 | static bool |
3209 | status_update_file(struct view *view, struct status *status, enum line_type type) | |
3210 | { | |
91c5d983 | 3211 | char cmd[SIZEOF_STR]; |
173d76ea | 3212 | char buf[SIZEOF_STR]; |
91c5d983 | 3213 | size_t cmdsize = 0; |
173d76ea JF |
3214 | size_t bufsize = 0; |
3215 | size_t written = 0; | |
3216 | FILE *pipe; | |
3217 | ||
91c5d983 | 3218 | if (opt_cdup[0] && |
ca1d71ea | 3219 | type != LINE_STAT_UNTRACKED && |
91c5d983 JF |
3220 | !string_format_from(cmd, &cmdsize, "cd %s;", opt_cdup)) |
3221 | return FALSE; | |
3222 | ||
ca1d71ea | 3223 | switch (type) { |
173d76ea JF |
3224 | case LINE_STAT_STAGED: |
3225 | if (!string_format_from(buf, &bufsize, "%06o %s\t%s%c", | |
3226 | status->old.mode, | |
3227 | status->old.rev, | |
3228 | status->name, 0)) | |
3229 | return FALSE; | |
91c5d983 JF |
3230 | |
3231 | string_add(cmd, cmdsize, "git update-index -z --index-info"); | |
173d76ea JF |
3232 | break; |
3233 | ||
3234 | case LINE_STAT_UNSTAGED: | |
3235 | case LINE_STAT_UNTRACKED: | |
3236 | if (!string_format_from(buf, &bufsize, "%s%c", status->name, 0)) | |
3237 | return FALSE; | |
91c5d983 JF |
3238 | |
3239 | string_add(cmd, cmdsize, "git update-index -z --add --remove --stdin"); | |
173d76ea JF |
3240 | break; |
3241 | ||
3242 | default: | |
3243 | die("w00t"); | |
3244 | } | |
3245 | ||
3246 | pipe = popen(cmd, "w"); | |
3247 | if (!pipe) | |
3248 | return FALSE; | |
3249 | ||
3250 | while (!ferror(pipe) && written < bufsize) { | |
3251 | written += fwrite(buf + written, 1, bufsize - written, pipe); | |
3252 | } | |
3253 | ||
3254 | pclose(pipe); | |
3255 | ||
3256 | if (written != bufsize) | |
3257 | return FALSE; | |
3258 | ||
173d76ea JF |
3259 | return TRUE; |
3260 | } | |
3261 | ||
3262 | static void | |
ca1d71ea JF |
3263 | status_update(struct view *view) |
3264 | { | |
dec7b437 | 3265 | struct line *line = &view->line[view->lineno]; |
351917f8 | 3266 | |
dec7b437 | 3267 | assert(view->lines); |
11359638 | 3268 | |
dec7b437 JF |
3269 | if (!line->data) { |
3270 | while (++line < view->line + view->lines && line->data) { | |
3271 | if (!status_update_file(view, line->data, line->type)) | |
3272 | report("Failed to update file status"); | |
3273 | } | |
11359638 | 3274 | |
dec7b437 JF |
3275 | if (!line[-1].data) { |
3276 | report("Nothing to update"); | |
3277 | return; | |
93e4c4f6 JF |
3278 | } |
3279 | ||
dec7b437 JF |
3280 | } else if (!status_update_file(view, line->data, line->type)) { |
3281 | report("Failed to update file status"); | |
ca1d71ea | 3282 | } |
dec7b437 JF |
3283 | |
3284 | open_view(view, REQ_VIEW_STATUS, OPEN_RELOAD); | |
ca1d71ea JF |
3285 | } |
3286 | ||
88f66e2d JF |
3287 | static enum request |
3288 | status_request(struct view *view, enum request request, struct line *line) | |
3289 | { | |
0cea0d43 JF |
3290 | struct status *status = line->data; |
3291 | ||
88f66e2d JF |
3292 | switch (request) { |
3293 | case REQ_STATUS_UPDATE: | |
3294 | status_update(view); | |
3295 | break; | |
3296 | ||
0cea0d43 JF |
3297 | case REQ_EDIT: |
3298 | if (!status) | |
3299 | return request; | |
3300 | ||
3301 | open_editor(view, status->name); | |
3302 | break; | |
3303 | ||
88f66e2d JF |
3304 | case REQ_ENTER: |
3305 | status_enter(view, line); | |
3306 | break; | |
3307 | ||
3308 | default: | |
3309 | return request; | |
3310 | } | |
3311 | ||
3312 | return REQ_NONE; | |
3313 | } | |
3314 | ||
ca1d71ea | 3315 | static void |
173d76ea JF |
3316 | status_select(struct view *view, struct line *line) |
3317 | { | |
11359638 JF |
3318 | struct status *status = line->data; |
3319 | char file[SIZEOF_STR] = "all files"; | |
173d76ea JF |
3320 | char *text; |
3321 | ||
11359638 JF |
3322 | if (status && !string_format(file, "'%s'", status->name)) |
3323 | return; | |
3324 | ||
3325 | if (!status && line[1].type == LINE_STAT_NONE) | |
3326 | line++; | |
3327 | ||
173d76ea JF |
3328 | switch (line->type) { |
3329 | case LINE_STAT_STAGED: | |
11359638 | 3330 | text = "Press %s to unstage %s for commit"; |
173d76ea JF |
3331 | break; |
3332 | ||
3333 | case LINE_STAT_UNSTAGED: | |
11359638 | 3334 | text = "Press %s to stage %s for commit"; |
173d76ea JF |
3335 | break; |
3336 | ||
3337 | case LINE_STAT_UNTRACKED: | |
11359638 | 3338 | text = "Press %s to stage %s for addition"; |
173d76ea JF |
3339 | break; |
3340 | ||
3341 | case LINE_STAT_NONE: | |
11359638 JF |
3342 | text = "Nothing to update"; |
3343 | break; | |
173d76ea JF |
3344 | |
3345 | default: | |
3346 | die("w00t"); | |
3347 | } | |
3348 | ||
11359638 | 3349 | string_format(view->ref, text, get_key(REQ_STATUS_UPDATE), file); |
173d76ea JF |
3350 | } |
3351 | ||
3352 | static bool | |
3353 | status_grep(struct view *view, struct line *line) | |
3354 | { | |
3355 | struct status *status = line->data; | |
3356 | enum { S_STATUS, S_NAME, S_END } state; | |
3357 | char buf[2] = "?"; | |
3358 | regmatch_t pmatch; | |
3359 | ||
3360 | if (!status) | |
3361 | return FALSE; | |
3362 | ||
3363 | for (state = S_STATUS; state < S_END; state++) { | |
3364 | char *text; | |
3365 | ||
3366 | switch (state) { | |
3367 | case S_NAME: text = status->name; break; | |
3368 | case S_STATUS: | |
3369 | buf[0] = status->status; | |
3370 | text = buf; | |
3371 | break; | |
3372 | ||
3373 | default: | |
3374 | return FALSE; | |
3375 | } | |
3376 | ||
3377 | if (regexec(view->regex, text, 1, &pmatch, 0) != REG_NOMATCH) | |
3378 | return TRUE; | |
3379 | } | |
3380 | ||
3381 | return FALSE; | |
3382 | } | |
3383 | ||
3384 | static struct view_ops status_ops = { | |
3385 | "file", | |
3386 | status_open, | |
3387 | NULL, | |
3388 | status_draw, | |
586c423d | 3389 | status_request, |
173d76ea JF |
3390 | status_grep, |
3391 | status_select, | |
3392 | }; | |
3393 | ||
b33611d8 JF |
3394 | |
3395 | static bool | |
3396 | stage_diff_line(FILE *pipe, struct line *line) | |
3397 | { | |
3398 | char *buf = line->data; | |
3399 | size_t bufsize = strlen(buf); | |
3400 | size_t written = 0; | |
3401 | ||
3402 | while (!ferror(pipe) && written < bufsize) { | |
3403 | written += fwrite(buf + written, 1, bufsize - written, pipe); | |
3404 | } | |
3405 | ||
3406 | fputc('\n', pipe); | |
3407 | ||
3408 | return written == bufsize; | |
3409 | } | |
3410 | ||
3411 | static struct line * | |
3412 | stage_diff_hdr(struct view *view, struct line *line) | |
3413 | { | |
3414 | int diff_hdr_dir = line->type == LINE_DIFF_CHUNK ? -1 : 1; | |
3415 | struct line *diff_hdr; | |
3416 | ||
3417 | if (line->type == LINE_DIFF_CHUNK) | |
3418 | diff_hdr = line - 1; | |
3419 | else | |
3420 | diff_hdr = view->line + 1; | |
3421 | ||
3422 | while (diff_hdr > view->line && diff_hdr < view->line + view->lines) { | |
3423 | if (diff_hdr->type == LINE_DIFF_HEADER) | |
3424 | return diff_hdr; | |
3425 | ||
3426 | diff_hdr += diff_hdr_dir; | |
3427 | } | |
3428 | ||
3429 | return NULL; | |
3430 | } | |
3431 | ||
3432 | static bool | |
3433 | stage_update_chunk(struct view *view, struct line *line) | |
3434 | { | |
3435 | char cmd[SIZEOF_STR]; | |
3436 | size_t cmdsize = 0; | |
3437 | struct line *diff_hdr, *diff_chunk, *diff_end; | |
3438 | FILE *pipe; | |
3439 | ||
3440 | diff_hdr = stage_diff_hdr(view, line); | |
3441 | if (!diff_hdr) | |
3442 | return FALSE; | |
3443 | ||
3444 | if (opt_cdup[0] && | |
3445 | !string_format_from(cmd, &cmdsize, "cd %s;", opt_cdup)) | |
3446 | return FALSE; | |
3447 | ||
3448 | if (!string_format_from(cmd, &cmdsize, | |
3449 | "git apply --cached %s - && " | |
3450 | "git update-index -q --unmerged --refresh 2>/dev/null", | |
3451 | stage_line_type == LINE_STAT_STAGED ? "-R" : "")) | |
3452 | return FALSE; | |
3453 | ||
3454 | pipe = popen(cmd, "w"); | |
3455 | if (!pipe) | |
3456 | return FALSE; | |
3457 | ||
3458 | diff_end = view->line + view->lines; | |
3459 | if (line->type != LINE_DIFF_CHUNK) { | |
3460 | diff_chunk = diff_hdr; | |
3461 | ||
3462 | } else { | |
3463 | for (diff_chunk = line + 1; diff_chunk < diff_end; diff_chunk++) | |
3464 | if (diff_chunk->type == LINE_DIFF_CHUNK || | |
3465 | diff_chunk->type == LINE_DIFF_HEADER) | |
3466 | diff_end = diff_chunk; | |
3467 | ||
3468 | diff_chunk = line; | |
3469 | ||
3470 | while (diff_hdr->type != LINE_DIFF_CHUNK) { | |
3471 | switch (diff_hdr->type) { | |
3472 | case LINE_DIFF_HEADER: | |
3473 | case LINE_DIFF_INDEX: | |
3474 | case LINE_DIFF_ADD: | |
3475 | case LINE_DIFF_DEL: | |
3476 | break; | |
3477 | ||
3478 | default: | |
3479 | diff_hdr++; | |
3480 | continue; | |
3481 | } | |
3482 | ||
3483 | if (!stage_diff_line(pipe, diff_hdr++)) { | |
3484 | pclose(pipe); | |
3485 | return FALSE; | |
3486 | } | |
3487 | } | |
3488 | } | |
3489 | ||
3490 | while (diff_chunk < diff_end && stage_diff_line(pipe, diff_chunk)) | |
3491 | diff_chunk++; | |
3492 | ||
3493 | pclose(pipe); | |
3494 | ||
3495 | if (diff_chunk != diff_end) | |
3496 | return FALSE; | |
3497 | ||
3498 | return TRUE; | |
3499 | } | |
3500 | ||
3501 | static void | |
3502 | stage_update(struct view *view, struct line *line) | |
3503 | { | |
3504 | if (stage_line_type != LINE_STAT_UNTRACKED && | |
3505 | (line->type == LINE_DIFF_CHUNK || !stage_status.status)) { | |
3506 | if (!stage_update_chunk(view, line)) { | |
3507 | report("Failed to apply chunk"); | |
3508 | return; | |
3509 | } | |
3510 | ||
3511 | } else if (!status_update_file(view, &stage_status, stage_line_type)) { | |
3512 | report("Failed to update file"); | |
3513 | return; | |
3514 | } | |
3515 | ||
3516 | open_view(view, REQ_VIEW_STATUS, OPEN_RELOAD); | |
3517 | ||
3518 | view = VIEW(REQ_VIEW_STATUS); | |
3519 | if (view_is_displayed(view)) | |
3520 | status_enter(view, &view->line[view->lineno]); | |
3521 | } | |
3522 | ||
3523 | static enum request | |
3524 | stage_request(struct view *view, enum request request, struct line *line) | |
3525 | { | |
3526 | switch (request) { | |
3527 | case REQ_STATUS_UPDATE: | |
3528 | stage_update(view, line); | |
3529 | break; | |
3530 | ||
3531 | case REQ_EDIT: | |
3532 | if (!stage_status.name[0]) | |
3533 | return request; | |
3534 | ||
3535 | open_editor(view, stage_status.name); | |
3536 | break; | |
3537 | ||
3538 | case REQ_ENTER: | |
3539 | pager_request(view, request, line); | |
3540 | break; | |
3541 | ||
3542 | default: | |
3543 | return request; | |
3544 | } | |
3545 | ||
3546 | return REQ_NONE; | |
3547 | } | |
3548 | ||
3e634113 JF |
3549 | static struct view_ops stage_ops = { |
3550 | "line", | |
3551 | NULL, | |
3552 | pager_read, | |
3553 | pager_draw, | |
b33611d8 | 3554 | stage_request, |
3e634113 JF |
3555 | pager_grep, |
3556 | pager_select, | |
3557 | }; | |
173d76ea | 3558 | |
b33611d8 | 3559 | |
173d76ea | 3560 | /* |
ccc33449 | 3561 | * Revision graph |
ff26aa29 JF |
3562 | */ |
3563 | ||
3564 | struct commit { | |
10446330 | 3565 | char id[SIZEOF_REV]; /* SHA1 ID. */ |
aea510c8 | 3566 | char title[128]; /* First line of the commit message. */ |
54efb62b JF |
3567 | char author[75]; /* Author of the commit. */ |
3568 | struct tm time; /* Date from the author ident. */ | |
3569 | struct ref **refs; /* Repository references. */ | |
3570 | chtype graph[SIZEOF_REVGRAPH]; /* Ancestry chain graphics. */ | |
3571 | size_t graph_size; /* The width of the graph array. */ | |
ff26aa29 | 3572 | }; |
c34d9c9f | 3573 | |
ccc33449 JF |
3574 | /* Size of rev graph with no "padding" columns */ |
3575 | #define SIZEOF_REVITEMS (SIZEOF_REVGRAPH - (SIZEOF_REVGRAPH / 2)) | |
2b757533 | 3576 | |
2ce5c87c JF |
3577 | struct rev_graph { |
3578 | struct rev_graph *prev, *next, *parents; | |
2b757533 JF |
3579 | char rev[SIZEOF_REVITEMS][SIZEOF_REV]; |
3580 | size_t size; | |
88757ebd JF |
3581 | struct commit *commit; |
3582 | size_t pos; | |
2b757533 JF |
3583 | }; |
3584 | ||
2b757533 | 3585 | /* Parents of the commit being visualized. */ |
446a5c36 | 3586 | static struct rev_graph graph_parents[4]; |
c8d60a25 | 3587 | |
c65a501a | 3588 | /* The current stack of revisions on the graph. */ |
446a5c36 JF |
3589 | static struct rev_graph graph_stacks[4] = { |
3590 | { &graph_stacks[3], &graph_stacks[1], &graph_parents[0] }, | |
c65a501a | 3591 | { &graph_stacks[0], &graph_stacks[2], &graph_parents[1] }, |
446a5c36 JF |
3592 | { &graph_stacks[1], &graph_stacks[3], &graph_parents[2] }, |
3593 | { &graph_stacks[2], &graph_stacks[0], &graph_parents[3] }, | |
c65a501a JF |
3594 | }; |
3595 | ||
9e43b9cd | 3596 | static inline bool |
2ce5c87c | 3597 | graph_parent_is_merge(struct rev_graph *graph) |
9e43b9cd JF |
3598 | { |
3599 | return graph->parents->size > 1; | |
3600 | } | |
3601 | ||
88757ebd | 3602 | static inline void |
2ce5c87c | 3603 | append_to_rev_graph(struct rev_graph *graph, chtype symbol) |
88757ebd | 3604 | { |
2c27faac JF |
3605 | struct commit *commit = graph->commit; |
3606 | ||
3607 | if (commit->graph_size < ARRAY_SIZE(commit->graph) - 1) | |
3608 | commit->graph[commit->graph_size++] = symbol; | |
88757ebd JF |
3609 | } |
3610 | ||
2b757533 | 3611 | static void |
2ce5c87c | 3612 | done_rev_graph(struct rev_graph *graph) |
987890af JF |
3613 | { |
3614 | if (graph_parent_is_merge(graph) && | |
3615 | graph->pos < graph->size - 1 && | |
3616 | graph->next->size == graph->size + graph->parents->size - 1) { | |
3617 | size_t i = graph->pos + graph->parents->size - 1; | |
3618 | ||
3619 | graph->commit->graph_size = i * 2; | |
3620 | while (i < graph->next->size - 1) { | |
3621 | append_to_rev_graph(graph, ' '); | |
3622 | append_to_rev_graph(graph, '\\'); | |
3623 | i++; | |
3624 | } | |
3625 | } | |
3626 | ||
3627 | graph->size = graph->pos = 0; | |
3628 | graph->commit = NULL; | |
3629 | memset(graph->parents, 0, sizeof(*graph->parents)); | |
3630 | } | |
3631 | ||
3632 | static void | |
2ce5c87c | 3633 | push_rev_graph(struct rev_graph *graph, char *parent) |
2b757533 | 3634 | { |
2fe894e6 JF |
3635 | int i; |
3636 | ||
3637 | /* "Collapse" duplicate parents lines. | |
3638 | * | |
3639 | * FIXME: This needs to also update update the drawn graph but | |
3640 | * for now it just serves as a method for pruning graph lines. */ | |
3641 | for (i = 0; i < graph->size; i++) | |
3642 | if (!strncmp(graph->rev[i], parent, SIZEOF_REV)) | |
3643 | return; | |
2b757533 | 3644 | |
2ce5c87c | 3645 | if (graph->size < SIZEOF_REVITEMS) { |
739e81de | 3646 | string_copy_rev(graph->rev[graph->size++], parent); |
2b757533 JF |
3647 | } |
3648 | } | |
3649 | ||
92507a24 JF |
3650 | static chtype |
3651 | get_rev_graph_symbol(struct rev_graph *graph) | |
2b757533 | 3652 | { |
92507a24 | 3653 | chtype symbol; |
2b757533 | 3654 | |
c65a501a | 3655 | if (graph->parents->size == 0) |
c8d60a25 | 3656 | symbol = REVGRAPH_INIT; |
18ffaa23 | 3657 | else if (graph_parent_is_merge(graph)) |
c8d60a25 | 3658 | symbol = REVGRAPH_MERGE; |
c65a501a | 3659 | else if (graph->pos >= graph->size) |
c8d60a25 | 3660 | symbol = REVGRAPH_BRANCH; |
2b757533 | 3661 | else |
c8d60a25 | 3662 | symbol = REVGRAPH_COMMIT; |
1dcb3bec | 3663 | |
92507a24 JF |
3664 | return symbol; |
3665 | } | |
3666 | ||
3667 | static void | |
3668 | draw_rev_graph(struct rev_graph *graph) | |
3669 | { | |
e937c2c8 JF |
3670 | struct rev_filler { |
3671 | chtype separator, line; | |
3672 | }; | |
3673 | enum { DEFAULT, RSHARP, RDIAG, LDIAG }; | |
3674 | static struct rev_filler fillers[] = { | |
3675 | { ' ', REVGRAPH_LINE }, | |
3676 | { '`', '.' }, | |
3677 | { '\'', ' ' }, | |
3678 | { '/', ' ' }, | |
e937c2c8 | 3679 | }; |
92507a24 | 3680 | chtype symbol = get_rev_graph_symbol(graph); |
e937c2c8 | 3681 | struct rev_filler *filler; |
92507a24 JF |
3682 | size_t i; |
3683 | ||
e937c2c8 | 3684 | filler = &fillers[DEFAULT]; |
110e948e | 3685 | |
c65a501a | 3686 | for (i = 0; i < graph->pos; i++) { |
e937c2c8 | 3687 | append_to_rev_graph(graph, filler->line); |
9e43b9cd | 3688 | if (graph_parent_is_merge(graph->prev) && |
e937c2c8 JF |
3689 | graph->prev->pos == i) |
3690 | filler = &fillers[RSHARP]; | |
3691 | ||
3692 | append_to_rev_graph(graph, filler->separator); | |
110e948e JF |
3693 | } |
3694 | ||
92507a24 | 3695 | /* Place the symbol for this revision. */ |
c65a501a | 3696 | append_to_rev_graph(graph, symbol); |
2b757533 | 3697 | |
e937c2c8 JF |
3698 | if (graph->prev->size > graph->size) |
3699 | filler = &fillers[RDIAG]; | |
3700 | else | |
3701 | filler = &fillers[DEFAULT]; | |
3702 | ||
c8d60a25 | 3703 | i++; |
2b757533 | 3704 | |
c65a501a | 3705 | for (; i < graph->size; i++) { |
e937c2c8 JF |
3706 | append_to_rev_graph(graph, filler->separator); |
3707 | append_to_rev_graph(graph, filler->line); | |
3708 | if (graph_parent_is_merge(graph->prev) && | |
3709 | i < graph->prev->pos + graph->parents->size) | |
3710 | filler = &fillers[RSHARP]; | |
3711 | if (graph->prev->size > graph->size) | |
3712 | filler = &fillers[LDIAG]; | |
c65a501a JF |
3713 | } |
3714 | ||
3715 | if (graph->prev->size > graph->size) { | |
e937c2c8 JF |
3716 | append_to_rev_graph(graph, filler->separator); |
3717 | if (filler->line != ' ') | |
3718 | append_to_rev_graph(graph, filler->line); | |
2b757533 | 3719 | } |
b5d8f208 JF |
3720 | } |
3721 | ||
61eed810 JF |
3722 | /* Prepare the next rev graph */ |
3723 | static void | |
3724 | prepare_rev_graph(struct rev_graph *graph) | |
b5d8f208 | 3725 | { |
b5d8f208 JF |
3726 | size_t i; |
3727 | ||
320df4ea | 3728 | /* First, traverse all lines of revisions up to the active one. */ |
c65a501a JF |
3729 | for (graph->pos = 0; graph->pos < graph->size; graph->pos++) { |
3730 | if (!strcmp(graph->rev[graph->pos], graph->commit->id)) | |
b5d8f208 | 3731 | break; |
b5d8f208 | 3732 | |
2ce5c87c | 3733 | push_rev_graph(graph->next, graph->rev[graph->pos]); |
b5d8f208 JF |
3734 | } |
3735 | ||
320df4ea | 3736 | /* Interleave the new revision parent(s). */ |
c65a501a | 3737 | for (i = 0; i < graph->parents->size; i++) |
2ce5c87c | 3738 | push_rev_graph(graph->next, graph->parents->rev[i]); |
b5d8f208 | 3739 | |
320df4ea | 3740 | /* Lastly, put any remaining revisions. */ |
c65a501a | 3741 | for (i = graph->pos + 1; i < graph->size; i++) |
2ce5c87c | 3742 | push_rev_graph(graph->next, graph->rev[i]); |
61eed810 JF |
3743 | } |
3744 | ||
3745 | static void | |
3746 | update_rev_graph(struct rev_graph *graph) | |
3747 | { | |
446a5c36 JF |
3748 | /* If this is the finalizing update ... */ |
3749 | if (graph->commit) | |
3750 | prepare_rev_graph(graph); | |
3751 | ||
3752 | /* Graph visualization needs a one rev look-ahead, | |
3753 | * so the first update doesn't visualize anything. */ | |
3754 | if (!graph->prev->commit) | |
3755 | return; | |
c65a501a | 3756 | |
61eed810 JF |
3757 | draw_rev_graph(graph->prev); |
3758 | done_rev_graph(graph->prev->prev); | |
2b757533 JF |
3759 | } |
3760 | ||
ccc33449 JF |
3761 | |
3762 | /* | |
3763 | * Main view backend | |
3764 | */ | |
3765 | ||
3766 | static bool | |
3767 | main_draw(struct view *view, struct line *line, unsigned int lineno, bool selected) | |
3768 | { | |
3769 | char buf[DATE_COLS + 1]; | |
3770 | struct commit *commit = line->data; | |
3771 | enum line_type type; | |
3772 | int col = 0; | |
3773 | size_t timelen; | |
3774 | size_t authorlen; | |
3775 | int trimmed = 1; | |
3776 | ||
3777 | if (!*commit->author) | |
3778 | return FALSE; | |
3779 | ||
3780 | wmove(view->win, lineno, col); | |
3781 | ||
3782 | if (selected) { | |
3783 | type = LINE_CURSOR; | |
3784 | wattrset(view->win, get_line_attr(type)); | |
3785 | wchgat(view->win, -1, 0, type, NULL); | |
3786 | ||
3787 | } else { | |
3788 | type = LINE_MAIN_COMMIT; | |
3789 | wattrset(view->win, get_line_attr(LINE_MAIN_DATE)); | |
3790 | } | |
3791 | ||
3792 | timelen = strftime(buf, sizeof(buf), DATE_FORMAT, &commit->time); | |
3793 | waddnstr(view->win, buf, timelen); | |
3794 | waddstr(view->win, " "); | |
3795 | ||
3796 | col += DATE_COLS; | |
3797 | wmove(view->win, lineno, col); | |
3798 | if (type != LINE_CURSOR) | |
3799 | wattrset(view->win, get_line_attr(LINE_MAIN_AUTHOR)); | |
3800 | ||
3801 | if (opt_utf8) { | |
3802 | authorlen = utf8_length(commit->author, AUTHOR_COLS - 2, &col, &trimmed); | |
3803 | } else { | |
3804 | authorlen = strlen(commit->author); | |
3805 | if (authorlen > AUTHOR_COLS - 2) { | |
3806 | authorlen = AUTHOR_COLS - 2; | |
3807 | trimmed = 1; | |
3808 | } | |
3809 | } | |
3810 | ||
3811 | if (trimmed) { | |
3812 | waddnstr(view->win, commit->author, authorlen); | |
3813 | if (type != LINE_CURSOR) | |
3814 | wattrset(view->win, get_line_attr(LINE_MAIN_DELIM)); | |
3815 | waddch(view->win, '~'); | |
3816 | } else { | |
3817 | waddstr(view->win, commit->author); | |
3818 | } | |
3819 | ||
3820 | col += AUTHOR_COLS; | |
3821 | if (type != LINE_CURSOR) | |
3822 | wattrset(view->win, A_NORMAL); | |
3823 | ||
3824 | if (opt_rev_graph && commit->graph_size) { | |
3825 | size_t i; | |
3826 | ||
3827 | wmove(view->win, lineno, col); | |
3828 | /* Using waddch() instead of waddnstr() ensures that | |
3829 | * they'll be rendered correctly for the cursor line. */ | |
3830 | for (i = 0; i < commit->graph_size; i++) | |
3831 | waddch(view->win, commit->graph[i]); | |
3832 | ||
8716b9ed | 3833 | waddch(view->win, ' '); |
ccc33449 JF |
3834 | col += commit->graph_size + 1; |
3835 | } | |
3836 | ||
3837 | wmove(view->win, lineno, col); | |
3838 | ||
3839 | if (commit->refs) { | |
3840 | size_t i = 0; | |
3841 | ||
3842 | do { | |
3843 | if (type == LINE_CURSOR) | |
3844 | ; | |
3845 | else if (commit->refs[i]->tag) | |
3846 | wattrset(view->win, get_line_attr(LINE_MAIN_TAG)); | |
e15ec88e JF |
3847 | else if (commit->refs[i]->remote) |
3848 | wattrset(view->win, get_line_attr(LINE_MAIN_REMOTE)); | |
ccc33449 JF |
3849 | else |
3850 | wattrset(view->win, get_line_attr(LINE_MAIN_REF)); | |
3851 | waddstr(view->win, "["); | |
3852 | waddstr(view->win, commit->refs[i]->name); | |
3853 | waddstr(view->win, "]"); | |
3854 | if (type != LINE_CURSOR) | |
3855 | wattrset(view->win, A_NORMAL); | |
3856 | waddstr(view->win, " "); | |
3857 | col += strlen(commit->refs[i]->name) + STRING_SIZE("[] "); | |
3858 | } while (commit->refs[i++]->next); | |
3859 | } | |
3860 | ||
3861 | if (type != LINE_CURSOR) | |
3862 | wattrset(view->win, get_line_attr(type)); | |
3863 | ||
3864 | { | |
3865 | int titlelen = strlen(commit->title); | |
3866 | ||
3867 | if (col + titlelen > view->width) | |
3868 | titlelen = view->width - col; | |
3869 | ||
3870 | waddnstr(view->win, commit->title, titlelen); | |
3871 | } | |
3872 | ||
3873 | return TRUE; | |
3874 | } | |
3875 | ||
4c6fabc2 | 3876 | /* Reads git log --pretty=raw output and parses it into the commit struct. */ |
6b161b31 | 3877 | static bool |
701e4f5d | 3878 | main_read(struct view *view, char *line) |
22f66b0a | 3879 | { |
2ce5c87c | 3880 | static struct rev_graph *graph = graph_stacks; |
be04d936 | 3881 | enum line_type type; |
0ff3b97c | 3882 | struct commit *commit; |
22f66b0a | 3883 | |
be04d936 | 3884 | if (!line) { |
446a5c36 | 3885 | update_rev_graph(graph); |
be04d936 JF |
3886 | return TRUE; |
3887 | } | |
3888 | ||
3889 | type = get_line_type(line); | |
0ff3b97c | 3890 | if (type == LINE_COMMIT) { |
22f66b0a JF |
3891 | commit = calloc(1, sizeof(struct commit)); |
3892 | if (!commit) | |
3893 | return FALSE; | |
3894 | ||
0ff3b97c | 3895 | string_copy_rev(commit->id, line + STRING_SIZE("commit ")); |
c34d9c9f | 3896 | commit->refs = get_refs(commit->id); |
c65a501a | 3897 | graph->commit = commit; |
e314c36d | 3898 | add_line_data(view, commit, LINE_MAIN_COMMIT); |
0ff3b97c JF |
3899 | return TRUE; |
3900 | } | |
2b757533 | 3901 | |
0ff3b97c JF |
3902 | if (!view->lines) |
3903 | return TRUE; | |
3904 | commit = view->line[view->lines - 1].data; | |
3905 | ||
3906 | switch (type) { | |
2b757533 | 3907 | case LINE_PARENT: |
0ff3b97c | 3908 | push_rev_graph(graph->parents, line + STRING_SIZE("parent ")); |
78c70acd | 3909 | break; |
22f66b0a | 3910 | |
8855ada4 | 3911 | case LINE_AUTHOR: |
b76c2afc | 3912 | { |
19c3ac60 JF |
3913 | /* Parse author lines where the name may be empty: |
3914 | * author <email@address.tld> 1138474660 +0100 | |
3915 | */ | |
4c6fabc2 | 3916 | char *ident = line + STRING_SIZE("author "); |
19c3ac60 JF |
3917 | char *nameend = strchr(ident, '<'); |
3918 | char *emailend = strchr(ident, '>'); | |
b76c2afc | 3919 | |
0ff3b97c | 3920 | if (!nameend || !emailend) |
fe7233c3 JF |
3921 | break; |
3922 | ||
c65a501a JF |
3923 | update_rev_graph(graph); |
3924 | graph = graph->next; | |
2b757533 | 3925 | |
19c3ac60 JF |
3926 | *nameend = *emailend = 0; |
3927 | ident = chomp_string(ident); | |
3928 | if (!*ident) { | |
3929 | ident = chomp_string(nameend + 1); | |
3930 | if (!*ident) | |
3931 | ident = "Unknown"; | |
b76c2afc JF |
3932 | } |
3933 | ||
739e81de | 3934 | string_ncopy(commit->author, ident, strlen(ident)); |
b76c2afc | 3935 | |
4c6fabc2 | 3936 | /* Parse epoch and timezone */ |
19c3ac60 JF |
3937 | if (emailend[1] == ' ') { |
3938 | char *secs = emailend + 2; | |
3939 | char *zone = strchr(secs, ' '); | |
3940 | time_t time = (time_t) atol(secs); | |
b76c2afc | 3941 | |
4c6fabc2 | 3942 | if (zone && strlen(zone) == STRING_SIZE(" +0700")) { |
b76c2afc JF |
3943 | long tz; |
3944 | ||
3945 | zone++; | |
3946 | tz = ('0' - zone[1]) * 60 * 60 * 10; | |
3947 | tz += ('0' - zone[2]) * 60 * 60; | |
3948 | tz += ('0' - zone[3]) * 60; | |
3949 | tz += ('0' - zone[4]) * 60; | |
3950 | ||
3951 | if (zone[0] == '-') | |
3952 | tz = -tz; | |
3953 | ||
3954 | time -= tz; | |
3955 | } | |
19c3ac60 | 3956 | |
b76c2afc JF |
3957 | gmtime_r(&time, &commit->time); |
3958 | } | |
3959 | break; | |
3960 | } | |
78c70acd | 3961 | default: |
2e8488b4 | 3962 | /* Fill in the commit title if it has not already been set. */ |
2e8488b4 JF |
3963 | if (commit->title[0]) |
3964 | break; | |
3965 | ||
3966 | /* Require titles to start with a non-space character at the | |
3967 | * offset used by git log. */ | |
9073c64a JF |
3968 | if (strncmp(line, " ", 4)) |
3969 | break; | |
3970 | line += 4; | |
3971 | /* Well, if the title starts with a whitespace character, | |
3972 | * try to be forgiving. Otherwise we end up with no title. */ | |
3973 | while (isspace(*line)) | |
3974 | line++; | |
3975 | if (*line == '\0') | |
82e78006 | 3976 | break; |
9073c64a JF |
3977 | /* FIXME: More graceful handling of titles; append "..." to |
3978 | * shortened titles, etc. */ | |
82e78006 | 3979 | |
739e81de | 3980 | string_ncopy(commit->title, line, strlen(line)); |
22f66b0a JF |
3981 | } |
3982 | ||
3983 | return TRUE; | |
3984 | } | |
3985 | ||
586c423d JF |
3986 | static enum request |
3987 | main_request(struct view *view, enum request request, struct line *line) | |
b801d8b2 | 3988 | { |
b3a54cba JF |
3989 | enum open_flags flags = display[0] == view ? OPEN_SPLIT : OPEN_DEFAULT; |
3990 | ||
586c423d JF |
3991 | if (request == REQ_ENTER) |
3992 | open_view(view, REQ_VIEW_DIFF, flags); | |
3993 | else | |
3994 | return request; | |
3995 | ||
3996 | return REQ_NONE; | |
b801d8b2 JF |
3997 | } |
3998 | ||
4af34daa JF |
3999 | static bool |
4000 | main_grep(struct view *view, struct line *line) | |
4001 | { | |
4002 | struct commit *commit = line->data; | |
4003 | enum { S_TITLE, S_AUTHOR, S_DATE, S_END } state; | |
4004 | char buf[DATE_COLS + 1]; | |
4005 | regmatch_t pmatch; | |
4006 | ||
4007 | for (state = S_TITLE; state < S_END; state++) { | |
4008 | char *text; | |
4009 | ||
4010 | switch (state) { | |
4011 | case S_TITLE: text = commit->title; break; | |
4012 | case S_AUTHOR: text = commit->author; break; | |
4013 | case S_DATE: | |
4014 | if (!strftime(buf, sizeof(buf), DATE_FORMAT, &commit->time)) | |
4015 | continue; | |
4016 | text = buf; | |
4017 | break; | |
4018 | ||
4019 | default: | |
4020 | return FALSE; | |
4021 | } | |
4022 | ||
b77b2cb8 | 4023 | if (regexec(view->regex, text, 1, &pmatch, 0) != REG_NOMATCH) |
4af34daa JF |
4024 | return TRUE; |
4025 | } | |
4026 | ||
4027 | return FALSE; | |
4028 | } | |
4029 | ||
d720de4b JF |
4030 | static void |
4031 | main_select(struct view *view, struct line *line) | |
4032 | { | |
4033 | struct commit *commit = line->data; | |
4034 | ||
2463b4ea JF |
4035 | string_copy_rev(view->ref, commit->id); |
4036 | string_copy_rev(ref_commit, view->ref); | |
d720de4b JF |
4037 | } |
4038 | ||
6b161b31 | 4039 | static struct view_ops main_ops = { |
6734f6b9 | 4040 | "commit", |
f098944b | 4041 | NULL, |
6b161b31 | 4042 | main_read, |
f098944b | 4043 | main_draw, |
586c423d | 4044 | main_request, |
4af34daa | 4045 | main_grep, |
d720de4b | 4046 | main_select, |
6b161b31 | 4047 | }; |
2e8488b4 | 4048 | |
c34d9c9f | 4049 | |
6b161b31 | 4050 | /* |
10e290ee JF |
4051 | * Unicode / UTF-8 handling |
4052 | * | |
4053 | * NOTE: Much of the following code for dealing with unicode is derived from | |
4054 | * ELinks' UTF-8 code developed by Scrool <scroolik@gmail.com>. Origin file is | |
4055 | * src/intl/charset.c from the utf8 branch commit elinks-0.11.0-g31f2c28. | |
4056 | */ | |
4057 | ||
4058 | /* I've (over)annotated a lot of code snippets because I am not entirely | |
4059 | * confident that the approach taken by this small UTF-8 interface is correct. | |
4060 | * --jonas */ | |
4061 | ||
4062 | static inline int | |
4063 | unicode_width(unsigned long c) | |
4064 | { | |
4065 | if (c >= 0x1100 && | |
4066 | (c <= 0x115f /* Hangul Jamo */ | |
4067 | || c == 0x2329 | |
4068 | || c == 0x232a | |
4069 | || (c >= 0x2e80 && c <= 0xa4cf && c != 0x303f) | |
f97f4012 | 4070 | /* CJK ... Yi */ |
10e290ee JF |
4071 | || (c >= 0xac00 && c <= 0xd7a3) /* Hangul Syllables */ |
4072 | || (c >= 0xf900 && c <= 0xfaff) /* CJK Compatibility Ideographs */ | |
4073 | || (c >= 0xfe30 && c <= 0xfe6f) /* CJK Compatibility Forms */ | |
4074 | || (c >= 0xff00 && c <= 0xff60) /* Fullwidth Forms */ | |
4075 | || (c >= 0xffe0 && c <= 0xffe6) | |
4076 | || (c >= 0x20000 && c <= 0x2fffd) | |
4077 | || (c >= 0x30000 && c <= 0x3fffd))) | |
4078 | return 2; | |
4079 | ||
4080 | return 1; | |
4081 | } | |
4082 | ||
4083 | /* Number of bytes used for encoding a UTF-8 character indexed by first byte. | |
4084 | * Illegal bytes are set one. */ | |
4085 | static const unsigned char utf8_bytes[256] = { | |
4086 | 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, | |
4087 | 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, | |
4088 | 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, | |
4089 | 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, | |
4090 | 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, | |
4091 | 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, | |
4092 | 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, | |
4093 | 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, | |
4094 | }; | |
4095 | ||
4096 | /* Decode UTF-8 multi-byte representation into a unicode character. */ | |
4097 | static inline unsigned long | |
4098 | utf8_to_unicode(const char *string, size_t length) | |
4099 | { | |
4100 | unsigned long unicode; | |
4101 | ||
4102 | switch (length) { | |
4103 | case 1: | |
4104 | unicode = string[0]; | |
4105 | break; | |
4106 | case 2: | |
4107 | unicode = (string[0] & 0x1f) << 6; | |
4108 | unicode += (string[1] & 0x3f); | |
4109 | break; | |
4110 | case 3: | |
4111 | unicode = (string[0] & 0x0f) << 12; | |
4112 | unicode += ((string[1] & 0x3f) << 6); | |
4113 | unicode += (string[2] & 0x3f); | |
4114 | break; | |
4115 | case 4: | |
4116 | unicode = (string[0] & 0x0f) << 18; | |
4117 | unicode += ((string[1] & 0x3f) << 12); | |
4118 | unicode += ((string[2] & 0x3f) << 6); | |
4119 | unicode += (string[3] & 0x3f); | |
4120 | break; | |
4121 | case 5: | |
4122 | unicode = (string[0] & 0x0f) << 24; | |
4123 | unicode += ((string[1] & 0x3f) << 18); | |
4124 | unicode += ((string[2] & 0x3f) << 12); | |
4125 | unicode += ((string[3] & 0x3f) << 6); | |
4126 | unicode += (string[4] & 0x3f); | |
4127 | break; | |
68b6e0eb | 4128 | case 6: |
10e290ee JF |
4129 | unicode = (string[0] & 0x01) << 30; |
4130 | unicode += ((string[1] & 0x3f) << 24); | |
4131 | unicode += ((string[2] & 0x3f) << 18); | |
4132 | unicode += ((string[3] & 0x3f) << 12); | |
4133 | unicode += ((string[4] & 0x3f) << 6); | |
4134 | unicode += (string[5] & 0x3f); | |
4135 | break; | |
4136 | default: | |
4137 | die("Invalid unicode length"); | |
4138 | } | |
4139 | ||
4140 | /* Invalid characters could return the special 0xfffd value but NUL | |
4141 | * should be just as good. */ | |
4142 | return unicode > 0xffff ? 0 : unicode; | |
4143 | } | |
4144 | ||
4145 | /* Calculates how much of string can be shown within the given maximum width | |
4146 | * and sets trimmed parameter to non-zero value if all of string could not be | |
4147 | * shown. | |
4148 | * | |
4149 | * Additionally, adds to coloffset how many many columns to move to align with | |
4150 | * the expected position. Takes into account how multi-byte and double-width | |
4151 | * characters will effect the cursor position. | |
4152 | * | |
4153 | * Returns the number of bytes to output from string to satisfy max_width. */ | |
4154 | static size_t | |
4155 | utf8_length(const char *string, size_t max_width, int *coloffset, int *trimmed) | |
4156 | { | |
4157 | const char *start = string; | |
4158 | const char *end = strchr(string, '\0'); | |
4159 | size_t mbwidth = 0; | |
4160 | size_t width = 0; | |
4161 | ||
4162 | *trimmed = 0; | |
4163 | ||
4164 | while (string < end) { | |
4165 | int c = *(unsigned char *) string; | |
4166 | unsigned char bytes = utf8_bytes[c]; | |
4167 | size_t ucwidth; | |
4168 | unsigned long unicode; | |
4169 | ||
4170 | if (string + bytes > end) | |
4171 | break; | |
4172 | ||
4173 | /* Change representation to figure out whether | |
4174 | * it is a single- or double-width character. */ | |
4175 | ||
4176 | unicode = utf8_to_unicode(string, bytes); | |
4177 | /* FIXME: Graceful handling of invalid unicode character. */ | |
4178 | if (!unicode) | |
4179 | break; | |
4180 | ||
4181 | ucwidth = unicode_width(unicode); | |
4182 | width += ucwidth; | |
4183 | if (width > max_width) { | |
4184 | *trimmed = 1; | |
4185 | break; | |
4186 | } | |
4187 | ||
4188 | /* The column offset collects the differences between the | |
4189 | * number of bytes encoding a character and the number of | |
4190 | * columns will be used for rendering said character. | |
4191 | * | |
4192 | * So if some character A is encoded in 2 bytes, but will be | |
4193 | * represented on the screen using only 1 byte this will and up | |
4194 | * adding 1 to the multi-byte column offset. | |
4195 | * | |
4196 | * Assumes that no double-width character can be encoding in | |
4197 | * less than two bytes. */ | |
4198 | if (bytes > ucwidth) | |
4199 | mbwidth += bytes - ucwidth; | |
4200 | ||
4201 | string += bytes; | |
4202 | } | |
4203 | ||
4204 | *coloffset += mbwidth; | |
4205 | ||
4206 | return string - start; | |
4207 | } | |
4208 | ||
4209 | ||
4210 | /* | |
6b161b31 JF |
4211 | * Status management |
4212 | */ | |
2e8488b4 | 4213 | |
8855ada4 | 4214 | /* Whether or not the curses interface has been initialized. */ |
68b6e0eb | 4215 | static bool cursed = FALSE; |
8855ada4 | 4216 | |
6b161b31 JF |
4217 | /* The status window is used for polling keystrokes. */ |
4218 | static WINDOW *status_win; | |
4a2909a7 | 4219 | |
21be28fb JF |
4220 | static bool status_empty = TRUE; |
4221 | ||
2e8488b4 | 4222 | /* Update status and title window. */ |
4a2909a7 JF |
4223 | static void |
4224 | report(const char *msg, ...) | |
4225 | { | |
6706b2ba | 4226 | struct view *view = display[current_view]; |
b76c2afc | 4227 | |
ab4af23e JF |
4228 | if (input_mode) |
4229 | return; | |
4230 | ||
21be28fb | 4231 | if (!status_empty || *msg) { |
6706b2ba | 4232 | va_list args; |
4a2909a7 | 4233 | |
6706b2ba | 4234 | va_start(args, msg); |
4b76734f | 4235 | |
6706b2ba JF |
4236 | wmove(status_win, 0, 0); |
4237 | if (*msg) { | |
4238 | vwprintw(status_win, msg, args); | |
21be28fb | 4239 | status_empty = FALSE; |
6706b2ba | 4240 | } else { |
21be28fb | 4241 | status_empty = TRUE; |
6706b2ba | 4242 | } |
390a8262 | 4243 | wclrtoeol(status_win); |
6706b2ba | 4244 | wrefresh(status_win); |
b801d8b2 | 4245 | |
6706b2ba JF |
4246 | va_end(args); |
4247 | } | |
4248 | ||
4249 | update_view_title(view); | |
2bee3bde | 4250 | update_display_cursor(view); |
b801d8b2 JF |
4251 | } |
4252 | ||
6b161b31 JF |
4253 | /* Controls when nodelay should be in effect when polling user input. */ |
4254 | static void | |
1ba2ae4b | 4255 | set_nonblocking_input(bool loading) |
b801d8b2 | 4256 | { |
6706b2ba | 4257 | static unsigned int loading_views; |
b801d8b2 | 4258 | |
6706b2ba JF |
4259 | if ((loading == FALSE && loading_views-- == 1) || |
4260 | (loading == TRUE && loading_views++ == 0)) | |
1ba2ae4b | 4261 | nodelay(status_win, loading); |
6b161b31 JF |
4262 | } |
4263 | ||
4264 | static void | |
4265 | init_display(void) | |
4266 | { | |
4267 | int x, y; | |
b76c2afc | 4268 | |
6908bdbd JF |
4269 | /* Initialize the curses library */ |
4270 | if (isatty(STDIN_FILENO)) { | |
8855ada4 | 4271 | cursed = !!initscr(); |
6908bdbd JF |
4272 | } else { |
4273 | /* Leave stdin and stdout alone when acting as a pager. */ | |
4274 | FILE *io = fopen("/dev/tty", "r+"); | |
4275 | ||
e6f60674 JF |
4276 | if (!io) |
4277 | die("Failed to open /dev/tty"); | |
8855ada4 | 4278 | cursed = !!newterm(NULL, io, io); |
6908bdbd JF |
4279 | } |
4280 | ||
8855ada4 JF |
4281 | if (!cursed) |
4282 | die("Failed to initialize curses"); | |
4283 | ||
2e8488b4 JF |
4284 | nonl(); /* Tell curses not to do NL->CR/NL on output */ |
4285 | cbreak(); /* Take input chars one at a time, no wait for \n */ | |
4286 | noecho(); /* Don't echo input */ | |
b801d8b2 | 4287 | leaveok(stdscr, TRUE); |
b801d8b2 JF |
4288 | |
4289 | if (has_colors()) | |
4290 | init_colors(); | |
4291 | ||
4292 | getmaxyx(stdscr, y, x); | |
4293 | status_win = newwin(1, 0, y - 1, 0); | |
4294 | if (!status_win) | |
4295 | die("Failed to create status window"); | |
4296 | ||
4297 | /* Enable keyboard mapping */ | |
4298 | keypad(status_win, TRUE); | |
78c70acd | 4299 | wbkgdset(status_win, get_line_attr(LINE_STATUS)); |
6b161b31 JF |
4300 | } |
4301 | ||
4af34daa | 4302 | static char * |
cb9e48c1 | 4303 | read_prompt(const char *prompt) |
ef5404a4 JF |
4304 | { |
4305 | enum { READING, STOP, CANCEL } status = READING; | |
9e21ce5c | 4306 | static char buf[sizeof(opt_cmd) - STRING_SIZE("git \0")]; |
ef5404a4 JF |
4307 | int pos = 0; |
4308 | ||
4309 | while (status == READING) { | |
4310 | struct view *view; | |
4311 | int i, key; | |
4312 | ||
ab4af23e JF |
4313 | input_mode = TRUE; |
4314 | ||
699ae55b | 4315 | foreach_view (view, i) |
ef5404a4 JF |
4316 | update_view(view); |
4317 | ||
ab4af23e JF |
4318 | input_mode = FALSE; |
4319 | ||
4320 | mvwprintw(status_win, 0, 0, "%s%.*s", prompt, pos, buf); | |
4321 | wclrtoeol(status_win); | |
4322 | ||
ef5404a4 JF |
4323 | /* Refresh, accept single keystroke of input */ |
4324 | key = wgetch(status_win); | |
4325 | switch (key) { | |
4326 | case KEY_RETURN: | |
4327 | case KEY_ENTER: | |
4328 | case '\n': | |
4329 | status = pos ? STOP : CANCEL; | |
4330 | break; | |
4331 | ||
4332 | case KEY_BACKSPACE: | |
4333 | if (pos > 0) | |
4334 | pos--; | |
4335 | else | |
4336 | status = CANCEL; | |
4337 | break; | |
4338 | ||
4339 | case KEY_ESC: | |
4340 | status = CANCEL; | |
4341 | break; | |
4342 | ||
4343 | case ERR: | |
4344 | break; | |
4345 | ||
4346 | default: | |
4347 | if (pos >= sizeof(buf)) { | |
4348 | report("Input string too long"); | |
9e21ce5c | 4349 | return NULL; |
ef5404a4 JF |
4350 | } |
4351 | ||
4352 | if (isprint(key)) | |
4353 | buf[pos++] = (char) key; | |
4354 | } | |
4355 | } | |
4356 | ||
7a06ebdf JF |
4357 | /* Clear the status window */ |
4358 | status_empty = FALSE; | |
4359 | report(""); | |
4360 | ||
4361 | if (status == CANCEL) | |
9e21ce5c | 4362 | return NULL; |
ef5404a4 JF |
4363 | |
4364 | buf[pos++] = 0; | |
ef5404a4 | 4365 | |
9e21ce5c | 4366 | return buf; |
ef5404a4 | 4367 | } |
c34d9c9f JF |
4368 | |
4369 | /* | |
4370 | * Repository references | |
4371 | */ | |
4372 | ||
4373 | static struct ref *refs; | |
3a91b75e | 4374 | static size_t refs_size; |
c34d9c9f | 4375 | |
1307df1a JF |
4376 | /* Id <-> ref store */ |
4377 | static struct ref ***id_refs; | |
4378 | static size_t id_refs_size; | |
4379 | ||
c34d9c9f JF |
4380 | static struct ref ** |
4381 | get_refs(char *id) | |
4382 | { | |
1307df1a JF |
4383 | struct ref ***tmp_id_refs; |
4384 | struct ref **ref_list = NULL; | |
4385 | size_t ref_list_size = 0; | |
c34d9c9f JF |
4386 | size_t i; |
4387 | ||
1307df1a JF |
4388 | for (i = 0; i < id_refs_size; i++) |
4389 | if (!strcmp(id, id_refs[i][0]->id)) | |
4390 | return id_refs[i]; | |
4391 | ||
4392 | tmp_id_refs = realloc(id_refs, (id_refs_size + 1) * sizeof(*id_refs)); | |
4393 | if (!tmp_id_refs) | |
4394 | return NULL; | |
4395 | ||
4396 | id_refs = tmp_id_refs; | |
4397 | ||
c34d9c9f JF |
4398 | for (i = 0; i < refs_size; i++) { |
4399 | struct ref **tmp; | |
4400 | ||
4401 | if (strcmp(id, refs[i].id)) | |
4402 | continue; | |
4403 | ||
1307df1a | 4404 | tmp = realloc(ref_list, (ref_list_size + 1) * sizeof(*ref_list)); |
c34d9c9f | 4405 | if (!tmp) { |
1307df1a JF |
4406 | if (ref_list) |
4407 | free(ref_list); | |
c34d9c9f JF |
4408 | return NULL; |
4409 | } | |
4410 | ||
1307df1a JF |
4411 | ref_list = tmp; |
4412 | if (ref_list_size > 0) | |
4413 | ref_list[ref_list_size - 1]->next = 1; | |
4414 | ref_list[ref_list_size] = &refs[i]; | |
3af8774e JF |
4415 | |
4416 | /* XXX: The properties of the commit chains ensures that we can | |
4417 | * safely modify the shared ref. The repo references will | |
4418 | * always be similar for the same id. */ | |
1307df1a JF |
4419 | ref_list[ref_list_size]->next = 0; |
4420 | ref_list_size++; | |
c34d9c9f JF |
4421 | } |
4422 | ||
1307df1a JF |
4423 | if (ref_list) |
4424 | id_refs[id_refs_size++] = ref_list; | |
4425 | ||
4426 | return ref_list; | |
c34d9c9f JF |
4427 | } |
4428 | ||
4429 | static int | |
5699e0cf | 4430 | read_ref(char *id, size_t idlen, char *name, size_t namelen) |
c34d9c9f | 4431 | { |
d0cea5f9 JF |
4432 | struct ref *ref; |
4433 | bool tag = FALSE; | |
e15ec88e | 4434 | bool remote = FALSE; |
d0cea5f9 | 4435 | |
8b0297ae JF |
4436 | if (!strncmp(name, "refs/tags/", STRING_SIZE("refs/tags/"))) { |
4437 | /* Commits referenced by tags has "^{}" appended. */ | |
4438 | if (name[namelen - 1] != '}') | |
4439 | return OK; | |
4440 | ||
d0cea5f9 JF |
4441 | while (namelen > 0 && name[namelen] != '^') |
4442 | namelen--; | |
c34d9c9f | 4443 | |
d0cea5f9 | 4444 | tag = TRUE; |
8b0297ae JF |
4445 | namelen -= STRING_SIZE("refs/tags/"); |
4446 | name += STRING_SIZE("refs/tags/"); | |
c34d9c9f | 4447 | |
e15ec88e JF |
4448 | } else if (!strncmp(name, "refs/remotes/", STRING_SIZE("refs/remotes/"))) { |
4449 | remote = TRUE; | |
4450 | namelen -= STRING_SIZE("refs/remotes/"); | |
4451 | name += STRING_SIZE("refs/remotes/"); | |
4452 | ||
d0cea5f9 | 4453 | } else if (!strncmp(name, "refs/heads/", STRING_SIZE("refs/heads/"))) { |
8b0297ae JF |
4454 | namelen -= STRING_SIZE("refs/heads/"); |
4455 | name += STRING_SIZE("refs/heads/"); | |
c34d9c9f | 4456 | |
d0cea5f9 JF |
4457 | } else if (!strcmp(name, "HEAD")) { |
4458 | return OK; | |
4459 | } | |
6706b2ba | 4460 | |
d0cea5f9 JF |
4461 | refs = realloc(refs, sizeof(*refs) * (refs_size + 1)); |
4462 | if (!refs) | |
4463 | return ERR; | |
c34d9c9f | 4464 | |
d0cea5f9 | 4465 | ref = &refs[refs_size++]; |
8b0297ae | 4466 | ref->name = malloc(namelen + 1); |
d0cea5f9 JF |
4467 | if (!ref->name) |
4468 | return ERR; | |
3af8774e | 4469 | |
8b0297ae JF |
4470 | strncpy(ref->name, name, namelen); |
4471 | ref->name[namelen] = 0; | |
d0cea5f9 | 4472 | ref->tag = tag; |
e15ec88e | 4473 | ref->remote = remote; |
2463b4ea | 4474 | string_copy_rev(ref->id, id); |
3af8774e | 4475 | |
d0cea5f9 JF |
4476 | return OK; |
4477 | } | |
c34d9c9f | 4478 | |
d0cea5f9 JF |
4479 | static int |
4480 | load_refs(void) | |
4481 | { | |
4482 | const char *cmd_env = getenv("TIG_LS_REMOTE"); | |
4483 | const char *cmd = cmd_env && *cmd_env ? cmd_env : TIG_LS_REMOTE; | |
c34d9c9f | 4484 | |
4a63c884 | 4485 | return read_properties(popen(cmd, "r"), "\t", read_ref); |
d0cea5f9 | 4486 | } |
c34d9c9f | 4487 | |
d0cea5f9 | 4488 | static int |
5699e0cf | 4489 | read_repo_config_option(char *name, size_t namelen, char *value, size_t valuelen) |
d0cea5f9 | 4490 | { |
22913179 | 4491 | if (!strcmp(name, "i18n.commitencoding")) |
739e81de | 4492 | string_ncopy(opt_encoding, value, valuelen); |
c34d9c9f | 4493 | |
0cea0d43 JF |
4494 | if (!strcmp(name, "core.editor")) |
4495 | string_ncopy(opt_editor, value, valuelen); | |
4496 | ||
c34d9c9f JF |
4497 | return OK; |
4498 | } | |
4499 | ||
4670cf89 | 4500 | static int |
14c778a6 | 4501 | load_repo_config(void) |
4670cf89 | 4502 | { |
96e58f5b | 4503 | return read_properties(popen(GIT_CONFIG " --list", "r"), |
14c778a6 | 4504 | "=", read_repo_config_option); |
d0cea5f9 JF |
4505 | } |
4506 | ||
4507 | static int | |
5699e0cf | 4508 | read_repo_info(char *name, size_t namelen, char *value, size_t valuelen) |
91c5d983 | 4509 | { |
810f0078 JF |
4510 | if (!opt_git_dir[0]) |
4511 | string_ncopy(opt_git_dir, name, namelen); | |
4512 | else | |
739e81de | 4513 | string_ncopy(opt_cdup, name, namelen); |
91c5d983 JF |
4514 | return OK; |
4515 | } | |
4516 | ||
810f0078 JF |
4517 | /* XXX: The line outputted by "--show-cdup" can be empty so the option |
4518 | * must be the last one! */ | |
91c5d983 JF |
4519 | static int |
4520 | load_repo_info(void) | |
4521 | { | |
e0f50df0 | 4522 | return read_properties(popen("git rev-parse --git-dir --show-cdup 2>/dev/null", "r"), |
91c5d983 JF |
4523 | "=", read_repo_info); |
4524 | } | |
4525 | ||
4526 | static int | |
4a63c884 | 4527 | read_properties(FILE *pipe, const char *separators, |
5699e0cf | 4528 | int (*read_property)(char *, size_t, char *, size_t)) |
d0cea5f9 | 4529 | { |
4670cf89 JF |
4530 | char buffer[BUFSIZ]; |
4531 | char *name; | |
d0cea5f9 | 4532 | int state = OK; |
4670cf89 JF |
4533 | |
4534 | if (!pipe) | |
4535 | return ERR; | |
4536 | ||
d0cea5f9 | 4537 | while (state == OK && (name = fgets(buffer, sizeof(buffer), pipe))) { |
4a63c884 JF |
4538 | char *value; |
4539 | size_t namelen; | |
4540 | size_t valuelen; | |
4670cf89 | 4541 | |
4a63c884 JF |
4542 | name = chomp_string(name); |
4543 | namelen = strcspn(name, separators); | |
4544 | ||
4545 | if (name[namelen]) { | |
4546 | name[namelen] = 0; | |
4547 | value = chomp_string(name + namelen + 1); | |
d0cea5f9 | 4548 | valuelen = strlen(value); |
4670cf89 | 4549 | |
d0cea5f9 | 4550 | } else { |
d0cea5f9 JF |
4551 | value = ""; |
4552 | valuelen = 0; | |
4670cf89 | 4553 | } |
d0cea5f9 | 4554 | |
3c3801c2 | 4555 | state = read_property(name, namelen, value, valuelen); |
4670cf89 JF |
4556 | } |
4557 | ||
d0cea5f9 JF |
4558 | if (state != ERR && ferror(pipe)) |
4559 | state = ERR; | |
4670cf89 JF |
4560 | |
4561 | pclose(pipe); | |
4562 | ||
d0cea5f9 | 4563 | return state; |
4670cf89 JF |
4564 | } |
4565 | ||
d0cea5f9 | 4566 | |
6b161b31 JF |
4567 | /* |
4568 | * Main | |
4569 | */ | |
4570 | ||
b5c9e67f | 4571 | static void __NORETURN |
6b161b31 JF |
4572 | quit(int sig) |
4573 | { | |
8855ada4 JF |
4574 | /* XXX: Restore tty modes and let the OS cleanup the rest! */ |
4575 | if (cursed) | |
4576 | endwin(); | |
6b161b31 JF |
4577 | exit(0); |
4578 | } | |
4579 | ||
c6704a4e JF |
4580 | static void __NORETURN |
4581 | die(const char *err, ...) | |
6b161b31 JF |
4582 | { |
4583 | va_list args; | |
4584 | ||
4585 | endwin(); | |
4586 | ||
4587 | va_start(args, err); | |
4588 | fputs("tig: ", stderr); | |
4589 | vfprintf(stderr, err, args); | |
4590 | fputs("\n", stderr); | |
4591 | va_end(args); | |
4592 | ||
4593 | exit(1); | |
4594 | } | |
4595 | ||
4596 | int | |
4597 | main(int argc, char *argv[]) | |
4598 | { | |
1ba2ae4b | 4599 | struct view *view; |
6b161b31 | 4600 | enum request request; |
1ba2ae4b | 4601 | size_t i; |
6b161b31 JF |
4602 | |
4603 | signal(SIGINT, quit); | |
4604 | ||
6b68fd24 | 4605 | if (setlocale(LC_ALL, "")) { |
739e81de JF |
4606 | char *codeset = nl_langinfo(CODESET); |
4607 | ||
4608 | string_ncopy(opt_codeset, codeset, strlen(codeset)); | |
6b68fd24 JF |
4609 | } |
4610 | ||
e0f50df0 JF |
4611 | if (load_repo_info() == ERR) |
4612 | die("Failed to load repo info."); | |
4613 | ||
4614 | /* Require a git repository unless when running in pager mode. */ | |
4615 | if (!opt_git_dir[0]) | |
4616 | die("Not a git repository"); | |
4617 | ||
660e09ad JF |
4618 | if (load_options() == ERR) |
4619 | die("Failed to load user config."); | |
4620 | ||
4621 | /* Load the repo config file so options can be overwritten from | |
739e81de | 4622 | * the command line. */ |
14c778a6 | 4623 | if (load_repo_config() == ERR) |
afdc35b3 | 4624 | die("Failed to load repo config."); |
91c5d983 | 4625 | |
8855ada4 | 4626 | if (!parse_options(argc, argv)) |
6b161b31 JF |
4627 | return 0; |
4628 | ||
6b68fd24 JF |
4629 | if (*opt_codeset && strcmp(opt_codeset, opt_encoding)) { |
4630 | opt_iconv = iconv_open(opt_codeset, opt_encoding); | |
20f4b4a3 | 4631 | if (opt_iconv == ICONV_NONE) |
6b68fd24 JF |
4632 | die("Failed to initialize character set conversion"); |
4633 | } | |
4634 | ||
c34d9c9f JF |
4635 | if (load_refs() == ERR) |
4636 | die("Failed to load refs."); | |
4637 | ||
1ba2ae4b JF |
4638 | for (i = 0; i < ARRAY_SIZE(views) && (view = &views[i]); i++) |
4639 | view->cmd_env = getenv(view->cmd_env); | |
4640 | ||
6b161b31 JF |
4641 | request = opt_request; |
4642 | ||
4643 | init_display(); | |
b801d8b2 JF |
4644 | |
4645 | while (view_driver(display[current_view], request)) { | |
6b161b31 | 4646 | int key; |
b801d8b2 JF |
4647 | int i; |
4648 | ||
699ae55b | 4649 | foreach_view (view, i) |
6b161b31 | 4650 | update_view(view); |
b801d8b2 JF |
4651 | |
4652 | /* Refresh, accept single keystroke of input */ | |
6b161b31 | 4653 | key = wgetch(status_win); |
04e2b7b2 | 4654 | |
cf4d82e6 JF |
4655 | /* wgetch() with nodelay() enabled returns ERR when there's no |
4656 | * input. */ | |
4657 | if (key == ERR) { | |
4658 | request = REQ_NONE; | |
8b534a13 | 4659 | continue; |
cf4d82e6 | 4660 | } |
04e2b7b2 JF |
4661 | |
4662 | request = get_keybinding(display[current_view]->keymap, key); | |
03a93dbb | 4663 | |
6706b2ba | 4664 | /* Some low-level request handling. This keeps access to |
fac7db6c JF |
4665 | * status_win restricted. */ |
4666 | switch (request) { | |
4667 | case REQ_PROMPT: | |
9e21ce5c JF |
4668 | { |
4669 | char *cmd = read_prompt(":"); | |
4670 | ||
4671 | if (cmd && string_format(opt_cmd, "git %s", cmd)) { | |
4672 | if (strncmp(cmd, "show", 4) && isspace(cmd[4])) { | |
4673 | opt_request = REQ_VIEW_DIFF; | |
4674 | } else { | |
4675 | opt_request = REQ_VIEW_PAGER; | |
4676 | } | |
4677 | break; | |
4678 | } | |
fac7db6c | 4679 | |
1d754561 | 4680 | request = REQ_NONE; |
9e21ce5c JF |
4681 | break; |
4682 | } | |
4af34daa JF |
4683 | case REQ_SEARCH: |
4684 | case REQ_SEARCH_BACK: | |
4685 | { | |
4686 | const char *prompt = request == REQ_SEARCH | |
4687 | ? "/" : "?"; | |
4688 | char *search = read_prompt(prompt); | |
4689 | ||
4690 | if (search) | |
739e81de | 4691 | string_ncopy(opt_search, search, strlen(search)); |
4af34daa JF |
4692 | else |
4693 | request = REQ_NONE; | |
4694 | break; | |
4695 | } | |
fac7db6c JF |
4696 | case REQ_SCREEN_RESIZE: |
4697 | { | |
4698 | int height, width; | |
4699 | ||
4700 | getmaxyx(stdscr, height, width); | |
4701 | ||
4702 | /* Resize the status view and let the view driver take | |
4703 | * care of resizing the displayed views. */ | |
4704 | wresize(status_win, 1, width); | |
4705 | mvwin(status_win, height - 1, 0); | |
4706 | wrefresh(status_win); | |
4707 | break; | |
4708 | } | |
4709 | default: | |
4710 | break; | |
03a93dbb | 4711 | } |
b801d8b2 JF |
4712 | } |
4713 | ||
4714 | quit(0); | |
4715 | ||
4716 | return 0; | |
4717 | } |