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 | 82 | #define ICONV_NONE ((iconv_t) -1) |
58a5e4ea JF |
83 | #ifndef ICONV_CONST |
84 | #define ICONV_CONST /* nothing */ | |
85 | #endif | |
6b68fd24 | 86 | |
82e78006 | 87 | /* The format and size of the date column in the main view. */ |
4c6fabc2 | 88 | #define DATE_FORMAT "%Y-%m-%d %H:%M" |
6b161b31 | 89 | #define DATE_COLS STRING_SIZE("2006-04-29 14:21 ") |
4c6fabc2 | 90 | |
10e290ee JF |
91 | #define AUTHOR_COLS 20 |
92 | ||
a28bcc22 | 93 | /* The default interval between line numbers. */ |
4a2909a7 | 94 | #define NUMBER_INTERVAL 1 |
82e78006 | 95 | |
6706b2ba JF |
96 | #define TABSIZE 8 |
97 | ||
a28bcc22 JF |
98 | #define SCALE_SPLIT_VIEW(height) ((height) * 2 / 3) |
99 | ||
96e58f5b | 100 | #ifndef GIT_CONFIG |
da633326 | 101 | #define GIT_CONFIG "git config" |
96e58f5b JF |
102 | #endif |
103 | ||
8eb62770 | 104 | #define TIG_LS_REMOTE \ |
337d7377 | 105 | "git ls-remote $(git rev-parse --git-dir) 2>/dev/null" |
8eb62770 JF |
106 | |
107 | #define TIG_DIFF_CMD \ | |
73fb51d5 | 108 | "git show --root --patch-with-stat --find-copies-harder -B -C %s 2>/dev/null" |
8eb62770 JF |
109 | |
110 | #define TIG_LOG_CMD \ | |
8fee6614 | 111 | "git log --cc --stat -n100 %s 2>/dev/null" |
8eb62770 JF |
112 | |
113 | #define TIG_MAIN_CMD \ | |
8fee6614 | 114 | "git log --topo-order --pretty=raw %s 2>/dev/null" |
8eb62770 | 115 | |
e733ee54 JF |
116 | #define TIG_TREE_CMD \ |
117 | "git ls-tree %s %s" | |
118 | ||
119 | #define TIG_BLOB_CMD \ | |
120 | "git cat-file blob %s" | |
121 | ||
8eb62770 JF |
122 | /* XXX: Needs to be defined to the empty string. */ |
123 | #define TIG_HELP_CMD "" | |
124 | #define TIG_PAGER_CMD "" | |
173d76ea | 125 | #define TIG_STATUS_CMD "" |
3e634113 | 126 | #define TIG_STAGE_CMD "" |
8eb62770 | 127 | |
8855ada4 | 128 | /* Some ascii-shorthands fitted into the ncurses namespace. */ |
a28bcc22 JF |
129 | #define KEY_TAB '\t' |
130 | #define KEY_RETURN '\r' | |
4a2909a7 JF |
131 | #define KEY_ESC 27 |
132 | ||
6706b2ba | 133 | |
c34d9c9f | 134 | struct ref { |
468876c9 | 135 | char *name; /* Ref name; tag or head names are shortened. */ |
10446330 | 136 | char id[SIZEOF_REV]; /* Commit SHA1 ID */ |
468876c9 | 137 | unsigned int tag:1; /* Is it a tag? */ |
e15ec88e | 138 | unsigned int remote:1; /* Is it a remote ref? */ |
468876c9 | 139 | unsigned int next:1; /* For ref lists: are there more refs? */ |
c34d9c9f JF |
140 | }; |
141 | ||
ff26aa29 | 142 | static struct ref **get_refs(char *id); |
4c6fabc2 | 143 | |
660e09ad JF |
144 | struct int_map { |
145 | const char *name; | |
146 | int namelen; | |
147 | int value; | |
148 | }; | |
149 | ||
150 | static int | |
151 | set_from_int_map(struct int_map *map, size_t map_size, | |
152 | int *value, const char *name, int namelen) | |
153 | { | |
154 | ||
155 | int i; | |
156 | ||
157 | for (i = 0; i < map_size; i++) | |
158 | if (namelen == map[i].namelen && | |
159 | !strncasecmp(name, map[i].name, namelen)) { | |
160 | *value = map[i].value; | |
161 | return OK; | |
162 | } | |
163 | ||
164 | return ERR; | |
165 | } | |
166 | ||
6706b2ba | 167 | |
03a93dbb JF |
168 | /* |
169 | * String helpers | |
170 | */ | |
78c70acd | 171 | |
82e78006 | 172 | static inline void |
9a48919b | 173 | string_ncopy_do(char *dst, size_t dstlen, const char *src, size_t srclen) |
82e78006 | 174 | { |
9a48919b JF |
175 | if (srclen > dstlen - 1) |
176 | srclen = dstlen - 1; | |
03a93dbb | 177 | |
9a48919b JF |
178 | strncpy(dst, src, srclen); |
179 | dst[srclen] = 0; | |
82e78006 JF |
180 | } |
181 | ||
9a48919b JF |
182 | /* Shorthands for safely copying into a fixed buffer. */ |
183 | ||
82e78006 | 184 | #define string_copy(dst, src) \ |
751e27c9 | 185 | string_ncopy_do(dst, sizeof(dst), src, sizeof(src)) |
9a48919b JF |
186 | |
187 | #define string_ncopy(dst, src, srclen) \ | |
188 | string_ncopy_do(dst, sizeof(dst), src, srclen) | |
82e78006 | 189 | |
2463b4ea JF |
190 | #define string_copy_rev(dst, src) \ |
191 | string_ncopy_do(dst, SIZEOF_REV, src, SIZEOF_REV - 1) | |
192 | ||
91c5d983 JF |
193 | #define string_add(dst, from, src) \ |
194 | string_ncopy_do(dst + (from), sizeof(dst) - (from), src, sizeof(src)) | |
195 | ||
4a63c884 JF |
196 | static char * |
197 | chomp_string(char *name) | |
198 | { | |
199 | int namelen; | |
200 | ||
201 | while (isspace(*name)) | |
202 | name++; | |
203 | ||
204 | namelen = strlen(name) - 1; | |
205 | while (namelen > 0 && isspace(name[namelen])) | |
206 | name[namelen--] = 0; | |
207 | ||
208 | return name; | |
209 | } | |
210 | ||
cc2d1364 | 211 | static bool |
d65ced0d | 212 | string_nformat(char *buf, size_t bufsize, size_t *bufpos, const char *fmt, ...) |
cc2d1364 JF |
213 | { |
214 | va_list args; | |
d65ced0d | 215 | size_t pos = bufpos ? *bufpos : 0; |
cc2d1364 JF |
216 | |
217 | va_start(args, fmt); | |
218 | pos += vsnprintf(buf + pos, bufsize - pos, fmt, args); | |
219 | va_end(args); | |
220 | ||
221 | if (bufpos) | |
222 | *bufpos = pos; | |
223 | ||
224 | return pos >= bufsize ? FALSE : TRUE; | |
225 | } | |
226 | ||
227 | #define string_format(buf, fmt, args...) \ | |
228 | string_nformat(buf, sizeof(buf), NULL, fmt, args) | |
229 | ||
230 | #define string_format_from(buf, from, fmt, args...) \ | |
231 | string_nformat(buf, sizeof(buf), from, fmt, args) | |
6706b2ba | 232 | |
201f5a18 JF |
233 | static int |
234 | string_enum_compare(const char *str1, const char *str2, int len) | |
235 | { | |
236 | size_t i; | |
237 | ||
238 | #define string_enum_sep(x) ((x) == '-' || (x) == '_' || (x) == '.') | |
239 | ||
240 | /* Diff-Header == DIFF_HEADER */ | |
241 | for (i = 0; i < len; i++) { | |
242 | if (toupper(str1[i]) == toupper(str2[i])) | |
243 | continue; | |
244 | ||
245 | if (string_enum_sep(str1[i]) && | |
246 | string_enum_sep(str2[i])) | |
247 | continue; | |
248 | ||
249 | return str1[i] - str2[i]; | |
250 | } | |
251 | ||
252 | return 0; | |
253 | } | |
254 | ||
03a93dbb JF |
255 | /* Shell quoting |
256 | * | |
257 | * NOTE: The following is a slightly modified copy of the git project's shell | |
258 | * quoting routines found in the quote.c file. | |
259 | * | |
260 | * Help to copy the thing properly quoted for the shell safety. any single | |
261 | * quote is replaced with '\'', any exclamation point is replaced with '\!', | |
262 | * and the whole thing is enclosed in a | |
263 | * | |
264 | * E.g. | |
265 | * original sq_quote result | |
266 | * name ==> name ==> 'name' | |
267 | * a b ==> a b ==> 'a b' | |
268 | * a'b ==> a'\''b ==> 'a'\''b' | |
269 | * a!b ==> a'\!'b ==> 'a'\!'b' | |
270 | */ | |
271 | ||
272 | static size_t | |
17482b11 | 273 | sq_quote(char buf[SIZEOF_STR], size_t bufsize, const char *src) |
03a93dbb JF |
274 | { |
275 | char c; | |
276 | ||
17482b11 | 277 | #define BUFPUT(x) do { if (bufsize < SIZEOF_STR) buf[bufsize++] = (x); } while (0) |
03a93dbb JF |
278 | |
279 | BUFPUT('\''); | |
280 | while ((c = *src++)) { | |
281 | if (c == '\'' || c == '!') { | |
282 | BUFPUT('\''); | |
283 | BUFPUT('\\'); | |
284 | BUFPUT(c); | |
285 | BUFPUT('\''); | |
286 | } else { | |
287 | BUFPUT(c); | |
288 | } | |
289 | } | |
290 | BUFPUT('\''); | |
291 | ||
f0f114ac JF |
292 | if (bufsize < SIZEOF_STR) |
293 | buf[bufsize] = 0; | |
294 | ||
03a93dbb JF |
295 | return bufsize; |
296 | } | |
297 | ||
82e78006 | 298 | |
24b5b3e0 JF |
299 | /* |
300 | * User requests | |
301 | */ | |
302 | ||
303 | #define REQ_INFO \ | |
304 | /* XXX: Keep the view request first and in sync with views[]. */ \ | |
305 | REQ_GROUP("View switching") \ | |
306 | REQ_(VIEW_MAIN, "Show main view"), \ | |
307 | REQ_(VIEW_DIFF, "Show diff view"), \ | |
308 | REQ_(VIEW_LOG, "Show log view"), \ | |
e733ee54 JF |
309 | REQ_(VIEW_TREE, "Show tree view"), \ |
310 | REQ_(VIEW_BLOB, "Show blob view"), \ | |
24b5b3e0 JF |
311 | REQ_(VIEW_HELP, "Show help page"), \ |
312 | REQ_(VIEW_PAGER, "Show pager view"), \ | |
173d76ea | 313 | REQ_(VIEW_STATUS, "Show status view"), \ |
3e634113 | 314 | REQ_(VIEW_STAGE, "Show stage view"), \ |
24b5b3e0 JF |
315 | \ |
316 | REQ_GROUP("View manipulation") \ | |
317 | REQ_(ENTER, "Enter current line and scroll"), \ | |
318 | REQ_(NEXT, "Move to next"), \ | |
319 | REQ_(PREVIOUS, "Move to previous"), \ | |
320 | REQ_(VIEW_NEXT, "Move focus to next view"), \ | |
acaef3b3 | 321 | REQ_(REFRESH, "Reload and refresh"), \ |
24b5b3e0 JF |
322 | REQ_(VIEW_CLOSE, "Close the current view"), \ |
323 | REQ_(QUIT, "Close all views and quit"), \ | |
324 | \ | |
325 | REQ_GROUP("Cursor navigation") \ | |
326 | REQ_(MOVE_UP, "Move cursor one line up"), \ | |
327 | REQ_(MOVE_DOWN, "Move cursor one line down"), \ | |
328 | REQ_(MOVE_PAGE_DOWN, "Move cursor one page down"), \ | |
329 | REQ_(MOVE_PAGE_UP, "Move cursor one page up"), \ | |
330 | REQ_(MOVE_FIRST_LINE, "Move cursor to first line"), \ | |
331 | REQ_(MOVE_LAST_LINE, "Move cursor to last line"), \ | |
332 | \ | |
333 | REQ_GROUP("Scrolling") \ | |
334 | REQ_(SCROLL_LINE_UP, "Scroll one line up"), \ | |
335 | REQ_(SCROLL_LINE_DOWN, "Scroll one line down"), \ | |
336 | REQ_(SCROLL_PAGE_UP, "Scroll one page up"), \ | |
337 | REQ_(SCROLL_PAGE_DOWN, "Scroll one page down"), \ | |
338 | \ | |
4af34daa JF |
339 | REQ_GROUP("Searching") \ |
340 | REQ_(SEARCH, "Search the view"), \ | |
341 | REQ_(SEARCH_BACK, "Search backwards in the view"), \ | |
342 | REQ_(FIND_NEXT, "Find next search match"), \ | |
343 | REQ_(FIND_PREV, "Find previous search match"), \ | |
344 | \ | |
24b5b3e0 | 345 | REQ_GROUP("Misc") \ |
1d754561 | 346 | REQ_(NONE, "Do nothing"), \ |
24b5b3e0 | 347 | REQ_(PROMPT, "Bring up the prompt"), \ |
24b5b3e0 JF |
348 | REQ_(SCREEN_REDRAW, "Redraw the screen"), \ |
349 | REQ_(SCREEN_RESIZE, "Resize the screen"), \ | |
350 | REQ_(SHOW_VERSION, "Show version information"), \ | |
351 | REQ_(STOP_LOADING, "Stop all loading views"), \ | |
54efb62b | 352 | REQ_(TOGGLE_LINENO, "Toggle line numbers"), \ |
ca1d71ea | 353 | REQ_(TOGGLE_REV_GRAPH, "Toggle revision graph visualization"), \ |
0cea0d43 | 354 | REQ_(STATUS_UPDATE, "Update file status"), \ |
b5c18d9d | 355 | REQ_(STATUS_MERGE, "Merge file using external tool"), \ |
226da94b JF |
356 | REQ_(EDIT, "Open in editor"), \ |
357 | REQ_(CHERRY_PICK, "Cherry-pick commit to current branch") | |
24b5b3e0 JF |
358 | |
359 | ||
360 | /* User action requests. */ | |
361 | enum request { | |
362 | #define REQ_GROUP(help) | |
363 | #define REQ_(req, help) REQ_##req | |
364 | ||
365 | /* Offset all requests to avoid conflicts with ncurses getch values. */ | |
366 | REQ_OFFSET = KEY_MAX + 1, | |
04e2b7b2 JF |
367 | REQ_INFO, |
368 | REQ_UNKNOWN, | |
24b5b3e0 JF |
369 | |
370 | #undef REQ_GROUP | |
371 | #undef REQ_ | |
372 | }; | |
373 | ||
374 | struct request_info { | |
375 | enum request request; | |
04e2b7b2 JF |
376 | char *name; |
377 | int namelen; | |
24b5b3e0 JF |
378 | char *help; |
379 | }; | |
380 | ||
381 | static struct request_info req_info[] = { | |
04e2b7b2 JF |
382 | #define REQ_GROUP(help) { 0, NULL, 0, (help) }, |
383 | #define REQ_(req, help) { REQ_##req, (#req), STRING_SIZE(#req), (help) } | |
24b5b3e0 JF |
384 | REQ_INFO |
385 | #undef REQ_GROUP | |
386 | #undef REQ_ | |
387 | }; | |
388 | ||
04e2b7b2 JF |
389 | static enum request |
390 | get_request(const char *name) | |
391 | { | |
392 | int namelen = strlen(name); | |
393 | int i; | |
394 | ||
395 | for (i = 0; i < ARRAY_SIZE(req_info); i++) | |
396 | if (req_info[i].namelen == namelen && | |
397 | !string_enum_compare(req_info[i].name, name, namelen)) | |
398 | return req_info[i].request; | |
399 | ||
400 | return REQ_UNKNOWN; | |
401 | } | |
402 | ||
403 | ||
8eb62770 JF |
404 | /* |
405 | * Options | |
406 | */ | |
b76c2afc | 407 | |
4b8c01a3 | 408 | static const char usage[] = |
ec31d0d0 | 409 | "tig " TIG_VERSION " (" __DATE__ ")\n" |
4b8c01a3 JF |
410 | "\n" |
411 | "Usage: tig [options]\n" | |
412 | " or: tig [options] [--] [git log options]\n" | |
413 | " or: tig [options] log [git log options]\n" | |
414 | " or: tig [options] diff [git diff options]\n" | |
415 | " or: tig [options] show [git show options]\n" | |
416 | " or: tig [options] < [git command output]\n" | |
417 | "\n" | |
418 | "Options:\n" | |
419 | " -l Start up in log view\n" | |
420 | " -d Start up in diff view\n" | |
173d76ea | 421 | " -S Start up in status view\n" |
4b8c01a3 | 422 | " -n[I], --line-number[=I] Show line numbers with given interval\n" |
b3c965c9 | 423 | " -b[N], --tab-size[=N] Set number of spaces for tab expansion\n" |
4b8c01a3 JF |
424 | " -- Mark end of tig options\n" |
425 | " -v, --version Show version and exit\n" | |
426 | " -h, --help Show help message and exit\n"; | |
427 | ||
6706b2ba | 428 | /* Option and state variables. */ |
92d30f5c | 429 | static bool opt_line_number = FALSE; |
11ce319e | 430 | static bool opt_rev_graph = FALSE; |
92d30f5c JF |
431 | static int opt_num_interval = NUMBER_INTERVAL; |
432 | static int opt_tab_size = TABSIZE; | |
433 | static enum request opt_request = REQ_VIEW_MAIN; | |
434 | static char opt_cmd[SIZEOF_STR] = ""; | |
e733ee54 | 435 | static char opt_path[SIZEOF_STR] = ""; |
92d30f5c JF |
436 | static FILE *opt_pipe = NULL; |
437 | static char opt_encoding[20] = "UTF-8"; | |
438 | static bool opt_utf8 = TRUE; | |
439 | static char opt_codeset[20] = "UTF-8"; | |
440 | static iconv_t opt_iconv = ICONV_NONE; | |
441 | static char opt_search[SIZEOF_STR] = ""; | |
91c5d983 | 442 | static char opt_cdup[SIZEOF_STR] = ""; |
810f0078 | 443 | static char opt_git_dir[SIZEOF_STR] = ""; |
c38c64bb | 444 | static char opt_is_inside_work_tree = -1; /* set to TRUE or FALSE */ |
0cea0d43 | 445 | static char opt_editor[SIZEOF_STR] = ""; |
b76c2afc | 446 | |
6dbf6c19 JF |
447 | enum option_type { |
448 | OPT_NONE, | |
449 | OPT_INT, | |
450 | }; | |
451 | ||
452 | static bool | |
453 | check_option(char *opt, char short_name, char *name, enum option_type type, ...) | |
454 | { | |
455 | va_list args; | |
456 | char *value = ""; | |
457 | int *number; | |
458 | ||
459 | if (opt[0] != '-') | |
460 | return FALSE; | |
461 | ||
462 | if (opt[1] == '-') { | |
463 | int namelen = strlen(name); | |
464 | ||
465 | opt += 2; | |
466 | ||
467 | if (strncmp(opt, name, namelen)) | |
468 | return FALSE; | |
469 | ||
470 | if (opt[namelen] == '=') | |
471 | value = opt + namelen + 1; | |
472 | ||
473 | } else { | |
474 | if (!short_name || opt[1] != short_name) | |
475 | return FALSE; | |
476 | value = opt + 2; | |
477 | } | |
478 | ||
479 | va_start(args, type); | |
480 | if (type == OPT_INT) { | |
481 | number = va_arg(args, int *); | |
482 | if (isdigit(*value)) | |
483 | *number = atoi(value); | |
484 | } | |
485 | va_end(args); | |
486 | ||
487 | return TRUE; | |
488 | } | |
489 | ||
b76c2afc | 490 | /* Returns the index of log or diff command or -1 to exit. */ |
8855ada4 | 491 | static bool |
b76c2afc JF |
492 | parse_options(int argc, char *argv[]) |
493 | { | |
494 | int i; | |
495 | ||
496 | for (i = 1; i < argc; i++) { | |
497 | char *opt = argv[i]; | |
498 | ||
3621d94e JF |
499 | if (!strcmp(opt, "log") || |
500 | !strcmp(opt, "diff") || | |
501 | !strcmp(opt, "show")) { | |
502 | opt_request = opt[0] == 'l' | |
503 | ? REQ_VIEW_LOG : REQ_VIEW_DIFF; | |
504 | break; | |
505 | } | |
506 | ||
8d27b36e JF |
507 | if (opt[0] && opt[0] != '-') |
508 | break; | |
509 | ||
6b161b31 | 510 | if (!strcmp(opt, "-l")) { |
4a2909a7 | 511 | opt_request = REQ_VIEW_LOG; |
6b161b31 JF |
512 | continue; |
513 | } | |
b76c2afc | 514 | |
6b161b31 | 515 | if (!strcmp(opt, "-d")) { |
4a2909a7 | 516 | opt_request = REQ_VIEW_DIFF; |
6b161b31 JF |
517 | continue; |
518 | } | |
b76c2afc | 519 | |
173d76ea JF |
520 | if (!strcmp(opt, "-S")) { |
521 | opt_request = REQ_VIEW_STATUS; | |
bdcc0d6b | 522 | continue; |
173d76ea JF |
523 | } |
524 | ||
6dbf6c19 | 525 | if (check_option(opt, 'n', "line-number", OPT_INT, &opt_num_interval)) { |
6b161b31 JF |
526 | opt_line_number = TRUE; |
527 | continue; | |
528 | } | |
b76c2afc | 529 | |
6dbf6c19 JF |
530 | if (check_option(opt, 'b', "tab-size", OPT_INT, &opt_tab_size)) { |
531 | opt_tab_size = MIN(opt_tab_size, TABSIZE); | |
6706b2ba JF |
532 | continue; |
533 | } | |
534 | ||
6dbf6c19 | 535 | if (check_option(opt, 'v', "version", OPT_NONE)) { |
ec31d0d0 | 536 | printf("tig version %s\n", TIG_VERSION); |
8855ada4 | 537 | return FALSE; |
6b161b31 | 538 | } |
b76c2afc | 539 | |
6dbf6c19 | 540 | if (check_option(opt, 'h', "help", OPT_NONE)) { |
4b8c01a3 JF |
541 | printf(usage); |
542 | return FALSE; | |
543 | } | |
544 | ||
6908bdbd JF |
545 | if (!strcmp(opt, "--")) { |
546 | i++; | |
547 | break; | |
548 | } | |
03a93dbb | 549 | |
bf174187 | 550 | die("unknown option '%s'\n\n%s", opt, usage); |
b76c2afc JF |
551 | } |
552 | ||
6908bdbd | 553 | if (!isatty(STDIN_FILENO)) { |
6908bdbd JF |
554 | opt_request = REQ_VIEW_PAGER; |
555 | opt_pipe = stdin; | |
556 | ||
557 | } else if (i < argc) { | |
558 | size_t buf_size; | |
559 | ||
6908bdbd | 560 | if (opt_request == REQ_VIEW_MAIN) |
8855ada4 JF |
561 | /* XXX: This is vulnerable to the user overriding |
562 | * options required for the main view parser. */ | |
832a47c4 | 563 | string_copy(opt_cmd, "git log --pretty=raw"); |
6908bdbd JF |
564 | else |
565 | string_copy(opt_cmd, "git"); | |
566 | buf_size = strlen(opt_cmd); | |
567 | ||
568 | while (buf_size < sizeof(opt_cmd) && i < argc) { | |
569 | opt_cmd[buf_size++] = ' '; | |
570 | buf_size = sq_quote(opt_cmd, buf_size, argv[i++]); | |
571 | } | |
572 | ||
573 | if (buf_size >= sizeof(opt_cmd)) | |
574 | die("command too long"); | |
575 | ||
576 | opt_cmd[buf_size] = 0; | |
6908bdbd JF |
577 | } |
578 | ||
afdc35b3 JF |
579 | if (*opt_encoding && strcasecmp(opt_encoding, "UTF-8")) |
580 | opt_utf8 = FALSE; | |
581 | ||
8855ada4 | 582 | return TRUE; |
b76c2afc JF |
583 | } |
584 | ||
585 | ||
54efb62b JF |
586 | /* |
587 | * Line-oriented content detection. | |
588 | */ | |
589 | ||
2e8488b4 | 590 | #define LINE_INFO \ |
660e09ad | 591 | LINE(DIFF_HEADER, "diff --git ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ |
a28bcc22 JF |
592 | LINE(DIFF_CHUNK, "@@", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
593 | LINE(DIFF_ADD, "+", COLOR_GREEN, COLOR_DEFAULT, 0), \ | |
594 | LINE(DIFF_DEL, "-", COLOR_RED, COLOR_DEFAULT, 0), \ | |
660e09ad JF |
595 | LINE(DIFF_INDEX, "index ", COLOR_BLUE, COLOR_DEFAULT, 0), \ |
596 | LINE(DIFF_OLDMODE, "old file mode ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
597 | LINE(DIFF_NEWMODE, "new file mode ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
598 | LINE(DIFF_COPY_FROM, "copy from", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
599 | LINE(DIFF_COPY_TO, "copy to", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
600 | LINE(DIFF_RENAME_FROM, "rename from", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
601 | LINE(DIFF_RENAME_TO, "rename to", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
602 | LINE(DIFF_SIMILARITY, "similarity ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
603 | LINE(DIFF_DISSIMILARITY,"dissimilarity ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
604 | LINE(DIFF_TREE, "diff-tree ", COLOR_BLUE, COLOR_DEFAULT, 0), \ | |
6908bdbd | 605 | LINE(PP_AUTHOR, "Author: ", COLOR_CYAN, COLOR_DEFAULT, 0), \ |
8855ada4 | 606 | LINE(PP_COMMIT, "Commit: ", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
6908bdbd JF |
607 | LINE(PP_MERGE, "Merge: ", COLOR_BLUE, COLOR_DEFAULT, 0), \ |
608 | LINE(PP_DATE, "Date: ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
8855ada4 JF |
609 | LINE(PP_ADATE, "AuthorDate: ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ |
610 | LINE(PP_CDATE, "CommitDate: ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
7b99a34c | 611 | LINE(PP_REFS, "Refs: ", COLOR_RED, COLOR_DEFAULT, 0), \ |
a28bcc22 JF |
612 | LINE(COMMIT, "commit ", COLOR_GREEN, COLOR_DEFAULT, 0), \ |
613 | LINE(PARENT, "parent ", COLOR_BLUE, COLOR_DEFAULT, 0), \ | |
614 | LINE(TREE, "tree ", COLOR_BLUE, COLOR_DEFAULT, 0), \ | |
8855ada4 | 615 | LINE(AUTHOR, "author ", COLOR_CYAN, COLOR_DEFAULT, 0), \ |
a28bcc22 | 616 | LINE(COMMITTER, "committer ", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
a28bcc22 | 617 | LINE(SIGNOFF, " Signed-off-by", COLOR_YELLOW, COLOR_DEFAULT, 0), \ |
d4d8de8f | 618 | LINE(ACKED, " Acked-by", COLOR_YELLOW, COLOR_DEFAULT, 0), \ |
a28bcc22 JF |
619 | LINE(DEFAULT, "", COLOR_DEFAULT, COLOR_DEFAULT, A_NORMAL), \ |
620 | LINE(CURSOR, "", COLOR_WHITE, COLOR_GREEN, A_BOLD), \ | |
621 | LINE(STATUS, "", COLOR_GREEN, COLOR_DEFAULT, 0), \ | |
6b161b31 JF |
622 | LINE(TITLE_BLUR, "", COLOR_WHITE, COLOR_BLUE, 0), \ |
623 | LINE(TITLE_FOCUS, "", COLOR_WHITE, COLOR_BLUE, A_BOLD), \ | |
a28bcc22 JF |
624 | LINE(MAIN_DATE, "", COLOR_BLUE, COLOR_DEFAULT, 0), \ |
625 | LINE(MAIN_AUTHOR, "", COLOR_GREEN, COLOR_DEFAULT, 0), \ | |
626 | LINE(MAIN_COMMIT, "", COLOR_DEFAULT, COLOR_DEFAULT, 0), \ | |
c34d9c9f JF |
627 | LINE(MAIN_DELIM, "", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
628 | LINE(MAIN_TAG, "", COLOR_MAGENTA, COLOR_DEFAULT, A_BOLD), \ | |
e15ec88e | 629 | LINE(MAIN_REMOTE, "", COLOR_YELLOW, COLOR_DEFAULT, A_BOLD), \ |
660e09ad | 630 | LINE(MAIN_REF, "", COLOR_CYAN, COLOR_DEFAULT, A_BOLD), \ |
e733ee54 | 631 | LINE(TREE_DIR, "", COLOR_DEFAULT, COLOR_DEFAULT, A_NORMAL), \ |
173d76ea | 632 | LINE(TREE_FILE, "", COLOR_DEFAULT, COLOR_DEFAULT, A_NORMAL), \ |
53924375 | 633 | LINE(STAT_SECTION, "", COLOR_CYAN, COLOR_DEFAULT, 0), \ |
173d76ea | 634 | LINE(STAT_NONE, "", COLOR_DEFAULT, COLOR_DEFAULT, 0), \ |
53924375 JF |
635 | LINE(STAT_STAGED, "", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
636 | LINE(STAT_UNSTAGED,"", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ | |
173d76ea | 637 | LINE(STAT_UNTRACKED,"", COLOR_MAGENTA, COLOR_DEFAULT, 0) |
660e09ad | 638 | |
78c70acd | 639 | enum line_type { |
2e8488b4 JF |
640 | #define LINE(type, line, fg, bg, attr) \ |
641 | LINE_##type | |
642 | LINE_INFO | |
643 | #undef LINE | |
78c70acd JF |
644 | }; |
645 | ||
646 | struct line_info { | |
660e09ad JF |
647 | const char *name; /* Option name. */ |
648 | int namelen; /* Size of option name. */ | |
4685845e | 649 | const char *line; /* The start of line to match. */ |
2e8488b4 JF |
650 | int linelen; /* Size of string to match. */ |
651 | int fg, bg, attr; /* Color and text attributes for the lines. */ | |
78c70acd JF |
652 | }; |
653 | ||
2e8488b4 | 654 | static struct line_info line_info[] = { |
78c70acd | 655 | #define LINE(type, line, fg, bg, attr) \ |
660e09ad | 656 | { #type, STRING_SIZE(#type), (line), STRING_SIZE(line), (fg), (bg), (attr) } |
2e8488b4 JF |
657 | LINE_INFO |
658 | #undef LINE | |
78c70acd JF |
659 | }; |
660 | ||
2e8488b4 JF |
661 | static enum line_type |
662 | get_line_type(char *line) | |
78c70acd JF |
663 | { |
664 | int linelen = strlen(line); | |
a28bcc22 | 665 | enum line_type type; |
78c70acd | 666 | |
a28bcc22 | 667 | for (type = 0; type < ARRAY_SIZE(line_info); type++) |
2e8488b4 | 668 | /* Case insensitive search matches Signed-off-by lines better. */ |
a28bcc22 JF |
669 | if (linelen >= line_info[type].linelen && |
670 | !strncasecmp(line_info[type].line, line, line_info[type].linelen)) | |
671 | return type; | |
78c70acd | 672 | |
2e8488b4 | 673 | return LINE_DEFAULT; |
78c70acd JF |
674 | } |
675 | ||
2e8488b4 | 676 | static inline int |
78c70acd JF |
677 | get_line_attr(enum line_type type) |
678 | { | |
2e8488b4 JF |
679 | assert(type < ARRAY_SIZE(line_info)); |
680 | return COLOR_PAIR(type) | line_info[type].attr; | |
78c70acd JF |
681 | } |
682 | ||
660e09ad JF |
683 | static struct line_info * |
684 | get_line_info(char *name, int namelen) | |
685 | { | |
686 | enum line_type type; | |
660e09ad JF |
687 | |
688 | for (type = 0; type < ARRAY_SIZE(line_info); type++) | |
689 | if (namelen == line_info[type].namelen && | |
201f5a18 | 690 | !string_enum_compare(line_info[type].name, name, namelen)) |
660e09ad JF |
691 | return &line_info[type]; |
692 | ||
693 | return NULL; | |
694 | } | |
695 | ||
78c70acd JF |
696 | static void |
697 | init_colors(void) | |
698 | { | |
82e78006 JF |
699 | int default_bg = COLOR_BLACK; |
700 | int default_fg = COLOR_WHITE; | |
a28bcc22 | 701 | enum line_type type; |
78c70acd JF |
702 | |
703 | start_color(); | |
704 | ||
705 | if (use_default_colors() != ERR) { | |
82e78006 JF |
706 | default_bg = -1; |
707 | default_fg = -1; | |
78c70acd JF |
708 | } |
709 | ||
a28bcc22 JF |
710 | for (type = 0; type < ARRAY_SIZE(line_info); type++) { |
711 | struct line_info *info = &line_info[type]; | |
82e78006 JF |
712 | int bg = info->bg == COLOR_DEFAULT ? default_bg : info->bg; |
713 | int fg = info->fg == COLOR_DEFAULT ? default_fg : info->fg; | |
78c70acd | 714 | |
a28bcc22 | 715 | init_pair(type, fg, bg); |
78c70acd JF |
716 | } |
717 | } | |
718 | ||
fe7233c3 JF |
719 | struct line { |
720 | enum line_type type; | |
3c571d67 JF |
721 | |
722 | /* State flags */ | |
723 | unsigned int selected:1; | |
724 | ||
fe7233c3 JF |
725 | void *data; /* User data */ |
726 | }; | |
727 | ||
78c70acd | 728 | |
1899507c | 729 | /* |
37157fa0 JF |
730 | * Keys |
731 | */ | |
732 | ||
93a97d86 | 733 | struct keybinding { |
37157fa0 | 734 | int alias; |
93a97d86 | 735 | enum request request; |
04e2b7b2 | 736 | struct keybinding *next; |
37157fa0 JF |
737 | }; |
738 | ||
93a97d86 | 739 | static struct keybinding default_keybindings[] = { |
37157fa0 JF |
740 | /* View switching */ |
741 | { 'm', REQ_VIEW_MAIN }, | |
742 | { 'd', REQ_VIEW_DIFF }, | |
743 | { 'l', REQ_VIEW_LOG }, | |
e733ee54 | 744 | { 't', REQ_VIEW_TREE }, |
0001fc34 | 745 | { 'f', REQ_VIEW_BLOB }, |
37157fa0 JF |
746 | { 'p', REQ_VIEW_PAGER }, |
747 | { 'h', REQ_VIEW_HELP }, | |
173d76ea | 748 | { 'S', REQ_VIEW_STATUS }, |
3e634113 | 749 | { 'c', REQ_VIEW_STAGE }, |
37157fa0 JF |
750 | |
751 | /* View manipulation */ | |
752 | { 'q', REQ_VIEW_CLOSE }, | |
753 | { KEY_TAB, REQ_VIEW_NEXT }, | |
754 | { KEY_RETURN, REQ_ENTER }, | |
755 | { KEY_UP, REQ_PREVIOUS }, | |
756 | { KEY_DOWN, REQ_NEXT }, | |
acaef3b3 | 757 | { 'R', REQ_REFRESH }, |
37157fa0 JF |
758 | |
759 | /* Cursor navigation */ | |
760 | { 'k', REQ_MOVE_UP }, | |
761 | { 'j', REQ_MOVE_DOWN }, | |
762 | { KEY_HOME, REQ_MOVE_FIRST_LINE }, | |
763 | { KEY_END, REQ_MOVE_LAST_LINE }, | |
764 | { KEY_NPAGE, REQ_MOVE_PAGE_DOWN }, | |
765 | { ' ', REQ_MOVE_PAGE_DOWN }, | |
766 | { KEY_PPAGE, REQ_MOVE_PAGE_UP }, | |
767 | { 'b', REQ_MOVE_PAGE_UP }, | |
768 | { '-', REQ_MOVE_PAGE_UP }, | |
769 | ||
770 | /* Scrolling */ | |
771 | { KEY_IC, REQ_SCROLL_LINE_UP }, | |
772 | { KEY_DC, REQ_SCROLL_LINE_DOWN }, | |
773 | { 'w', REQ_SCROLL_PAGE_UP }, | |
774 | { 's', REQ_SCROLL_PAGE_DOWN }, | |
775 | ||
4af34daa JF |
776 | /* Searching */ |
777 | { '/', REQ_SEARCH }, | |
778 | { '?', REQ_SEARCH_BACK }, | |
779 | { 'n', REQ_FIND_NEXT }, | |
780 | { 'N', REQ_FIND_PREV }, | |
781 | ||
37157fa0 JF |
782 | /* Misc */ |
783 | { 'Q', REQ_QUIT }, | |
784 | { 'z', REQ_STOP_LOADING }, | |
785 | { 'v', REQ_SHOW_VERSION }, | |
786 | { 'r', REQ_SCREEN_REDRAW }, | |
904e68d8 | 787 | { '.', REQ_TOGGLE_LINENO }, |
73fb51d5 | 788 | { 'g', REQ_TOGGLE_REV_GRAPH }, |
37157fa0 | 789 | { ':', REQ_PROMPT }, |
ca1d71ea | 790 | { 'u', REQ_STATUS_UPDATE }, |
b5c18d9d | 791 | { 'M', REQ_STATUS_MERGE }, |
0cea0d43 | 792 | { 'e', REQ_EDIT }, |
226da94b | 793 | { 'C', REQ_CHERRY_PICK }, |
37157fa0 | 794 | |
1d754561 | 795 | /* Using the ncurses SIGWINCH handler. */ |
37157fa0 JF |
796 | { KEY_RESIZE, REQ_SCREEN_RESIZE }, |
797 | }; | |
798 | ||
04e2b7b2 JF |
799 | #define KEYMAP_INFO \ |
800 | KEYMAP_(GENERIC), \ | |
801 | KEYMAP_(MAIN), \ | |
802 | KEYMAP_(DIFF), \ | |
803 | KEYMAP_(LOG), \ | |
e733ee54 JF |
804 | KEYMAP_(TREE), \ |
805 | KEYMAP_(BLOB), \ | |
04e2b7b2 | 806 | KEYMAP_(PAGER), \ |
173d76ea | 807 | KEYMAP_(HELP), \ |
3e634113 JF |
808 | KEYMAP_(STATUS), \ |
809 | KEYMAP_(STAGE) | |
04e2b7b2 JF |
810 | |
811 | enum keymap { | |
812 | #define KEYMAP_(name) KEYMAP_##name | |
813 | KEYMAP_INFO | |
814 | #undef KEYMAP_ | |
815 | }; | |
816 | ||
817 | static struct int_map keymap_table[] = { | |
818 | #define KEYMAP_(name) { #name, STRING_SIZE(#name), KEYMAP_##name } | |
819 | KEYMAP_INFO | |
820 | #undef KEYMAP_ | |
821 | }; | |
822 | ||
823 | #define set_keymap(map, name) \ | |
824 | set_from_int_map(keymap_table, ARRAY_SIZE(keymap_table), map, name, strlen(name)) | |
825 | ||
826 | static struct keybinding *keybindings[ARRAY_SIZE(keymap_table)]; | |
827 | ||
828 | static void | |
829 | add_keybinding(enum keymap keymap, enum request request, int key) | |
830 | { | |
831 | struct keybinding *keybinding; | |
832 | ||
833 | keybinding = calloc(1, sizeof(*keybinding)); | |
834 | if (!keybinding) | |
835 | die("Failed to allocate keybinding"); | |
836 | ||
837 | keybinding->alias = key; | |
838 | keybinding->request = request; | |
839 | keybinding->next = keybindings[keymap]; | |
840 | keybindings[keymap] = keybinding; | |
841 | } | |
842 | ||
843 | /* Looks for a key binding first in the given map, then in the generic map, and | |
844 | * lastly in the default keybindings. */ | |
37157fa0 | 845 | static enum request |
04e2b7b2 | 846 | get_keybinding(enum keymap keymap, int key) |
37157fa0 | 847 | { |
04e2b7b2 | 848 | struct keybinding *kbd; |
37157fa0 JF |
849 | int i; |
850 | ||
04e2b7b2 JF |
851 | for (kbd = keybindings[keymap]; kbd; kbd = kbd->next) |
852 | if (kbd->alias == key) | |
853 | return kbd->request; | |
854 | ||
855 | for (kbd = keybindings[KEYMAP_GENERIC]; kbd; kbd = kbd->next) | |
856 | if (kbd->alias == key) | |
857 | return kbd->request; | |
858 | ||
93a97d86 JF |
859 | for (i = 0; i < ARRAY_SIZE(default_keybindings); i++) |
860 | if (default_keybindings[i].alias == key) | |
861 | return default_keybindings[i].request; | |
37157fa0 JF |
862 | |
863 | return (enum request) key; | |
864 | } | |
865 | ||
93a97d86 | 866 | |
37157fa0 JF |
867 | struct key { |
868 | char *name; | |
869 | int value; | |
870 | }; | |
871 | ||
872 | static struct key key_table[] = { | |
873 | { "Enter", KEY_RETURN }, | |
874 | { "Space", ' ' }, | |
875 | { "Backspace", KEY_BACKSPACE }, | |
876 | { "Tab", KEY_TAB }, | |
877 | { "Escape", KEY_ESC }, | |
878 | { "Left", KEY_LEFT }, | |
879 | { "Right", KEY_RIGHT }, | |
880 | { "Up", KEY_UP }, | |
881 | { "Down", KEY_DOWN }, | |
882 | { "Insert", KEY_IC }, | |
883 | { "Delete", KEY_DC }, | |
74f83ee6 | 884 | { "Hash", '#' }, |
37157fa0 JF |
885 | { "Home", KEY_HOME }, |
886 | { "End", KEY_END }, | |
887 | { "PageUp", KEY_PPAGE }, | |
888 | { "PageDown", KEY_NPAGE }, | |
889 | { "F1", KEY_F(1) }, | |
890 | { "F2", KEY_F(2) }, | |
891 | { "F3", KEY_F(3) }, | |
892 | { "F4", KEY_F(4) }, | |
893 | { "F5", KEY_F(5) }, | |
894 | { "F6", KEY_F(6) }, | |
895 | { "F7", KEY_F(7) }, | |
896 | { "F8", KEY_F(8) }, | |
897 | { "F9", KEY_F(9) }, | |
898 | { "F10", KEY_F(10) }, | |
899 | { "F11", KEY_F(11) }, | |
900 | { "F12", KEY_F(12) }, | |
901 | }; | |
902 | ||
04e2b7b2 JF |
903 | static int |
904 | get_key_value(const char *name) | |
905 | { | |
906 | int i; | |
907 | ||
908 | for (i = 0; i < ARRAY_SIZE(key_table); i++) | |
909 | if (!strcasecmp(key_table[i].name, name)) | |
910 | return key_table[i].value; | |
911 | ||
912 | if (strlen(name) == 1 && isprint(*name)) | |
913 | return (int) *name; | |
914 | ||
915 | return ERR; | |
916 | } | |
917 | ||
37157fa0 JF |
918 | static char * |
919 | get_key(enum request request) | |
920 | { | |
921 | static char buf[BUFSIZ]; | |
922 | static char key_char[] = "'X'"; | |
d65ced0d | 923 | size_t pos = 0; |
520094b4 | 924 | char *sep = ""; |
37157fa0 JF |
925 | int i; |
926 | ||
927 | buf[pos] = 0; | |
928 | ||
93a97d86 JF |
929 | for (i = 0; i < ARRAY_SIZE(default_keybindings); i++) { |
930 | struct keybinding *keybinding = &default_keybindings[i]; | |
37157fa0 JF |
931 | char *seq = NULL; |
932 | int key; | |
933 | ||
93a97d86 | 934 | if (keybinding->request != request) |
37157fa0 JF |
935 | continue; |
936 | ||
937 | for (key = 0; key < ARRAY_SIZE(key_table); key++) | |
93a97d86 | 938 | if (key_table[key].value == keybinding->alias) |
37157fa0 JF |
939 | seq = key_table[key].name; |
940 | ||
941 | if (seq == NULL && | |
93a97d86 JF |
942 | keybinding->alias < 127 && |
943 | isprint(keybinding->alias)) { | |
944 | key_char[1] = (char) keybinding->alias; | |
37157fa0 JF |
945 | seq = key_char; |
946 | } | |
947 | ||
948 | if (!seq) | |
949 | seq = "'?'"; | |
950 | ||
951 | if (!string_format_from(buf, &pos, "%s%s", sep, seq)) | |
952 | return "Too many keybindings!"; | |
953 | sep = ", "; | |
954 | } | |
955 | ||
956 | return buf; | |
957 | } | |
958 | ||
959 | ||
960 | /* | |
1899507c JF |
961 | * User config file handling. |
962 | */ | |
963 | ||
5dc795f2 JF |
964 | static struct int_map color_map[] = { |
965 | #define COLOR_MAP(name) { #name, STRING_SIZE(#name), COLOR_##name } | |
966 | COLOR_MAP(DEFAULT), | |
967 | COLOR_MAP(BLACK), | |
968 | COLOR_MAP(BLUE), | |
969 | COLOR_MAP(CYAN), | |
970 | COLOR_MAP(GREEN), | |
971 | COLOR_MAP(MAGENTA), | |
972 | COLOR_MAP(RED), | |
973 | COLOR_MAP(WHITE), | |
974 | COLOR_MAP(YELLOW), | |
975 | }; | |
976 | ||
9256ab05 JF |
977 | #define set_color(color, name) \ |
978 | set_from_int_map(color_map, ARRAY_SIZE(color_map), color, name, strlen(name)) | |
660e09ad | 979 | |
5dc795f2 JF |
980 | static struct int_map attr_map[] = { |
981 | #define ATTR_MAP(name) { #name, STRING_SIZE(#name), A_##name } | |
982 | ATTR_MAP(NORMAL), | |
983 | ATTR_MAP(BLINK), | |
984 | ATTR_MAP(BOLD), | |
985 | ATTR_MAP(DIM), | |
986 | ATTR_MAP(REVERSE), | |
987 | ATTR_MAP(STANDOUT), | |
988 | ATTR_MAP(UNDERLINE), | |
989 | }; | |
990 | ||
9256ab05 JF |
991 | #define set_attribute(attr, name) \ |
992 | set_from_int_map(attr_map, ARRAY_SIZE(attr_map), attr, name, strlen(name)) | |
660e09ad | 993 | |
3c3801c2 JF |
994 | static int config_lineno; |
995 | static bool config_errors; | |
996 | static char *config_msg; | |
997 | ||
5bfd96c7 | 998 | /* Wants: object fgcolor bgcolor [attr] */ |
660e09ad | 999 | static int |
5bfd96c7 | 1000 | option_color_command(int argc, char *argv[]) |
660e09ad | 1001 | { |
bca8fcaa JF |
1002 | struct line_info *info; |
1003 | ||
9256ab05 JF |
1004 | if (argc != 3 && argc != 4) { |
1005 | config_msg = "Wrong number of arguments given to color command"; | |
1006 | return ERR; | |
1007 | } | |
1008 | ||
1009 | info = get_line_info(argv[0], strlen(argv[0])); | |
bca8fcaa JF |
1010 | if (!info) { |
1011 | config_msg = "Unknown color name"; | |
1012 | return ERR; | |
1013 | } | |
660e09ad | 1014 | |
a3653368 JF |
1015 | if (set_color(&info->fg, argv[1]) == ERR || |
1016 | set_color(&info->bg, argv[2]) == ERR) { | |
bca8fcaa JF |
1017 | config_msg = "Unknown color"; |
1018 | return ERR; | |
1019 | } | |
660e09ad | 1020 | |
9256ab05 | 1021 | if (argc == 4 && set_attribute(&info->attr, argv[3]) == ERR) { |
bca8fcaa JF |
1022 | config_msg = "Unknown attribute"; |
1023 | return ERR; | |
660e09ad JF |
1024 | } |
1025 | ||
bca8fcaa JF |
1026 | return OK; |
1027 | } | |
1028 | ||
5bfd96c7 JF |
1029 | /* Wants: name = value */ |
1030 | static int | |
1031 | option_set_command(int argc, char *argv[]) | |
1032 | { | |
1033 | if (argc != 3) { | |
1034 | config_msg = "Wrong number of arguments given to set command"; | |
1035 | return ERR; | |
1036 | } | |
1037 | ||
1038 | if (strcmp(argv[1], "=")) { | |
1039 | config_msg = "No value assigned"; | |
1040 | return ERR; | |
1041 | } | |
1042 | ||
1043 | if (!strcmp(argv[0], "show-rev-graph")) { | |
1044 | opt_rev_graph = (!strcmp(argv[2], "1") || | |
1045 | !strcmp(argv[2], "true") || | |
1046 | !strcmp(argv[2], "yes")); | |
1047 | return OK; | |
1048 | } | |
1049 | ||
1050 | if (!strcmp(argv[0], "line-number-interval")) { | |
1051 | opt_num_interval = atoi(argv[2]); | |
1052 | return OK; | |
1053 | } | |
1054 | ||
1055 | if (!strcmp(argv[0], "tab-size")) { | |
1056 | opt_tab_size = atoi(argv[2]); | |
1057 | return OK; | |
1058 | } | |
1059 | ||
cb7267ee | 1060 | if (!strcmp(argv[0], "commit-encoding")) { |
3cc9a4d4 JF |
1061 | char *arg = argv[2]; |
1062 | int delimiter = *arg; | |
1063 | int i; | |
1064 | ||
1065 | switch (delimiter) { | |
1066 | case '"': | |
1067 | case '\'': | |
1068 | for (arg++, i = 0; arg[i]; i++) | |
1069 | if (arg[i] == delimiter) { | |
1070 | arg[i] = 0; | |
1071 | break; | |
1072 | } | |
1073 | default: | |
739e81de | 1074 | string_ncopy(opt_encoding, arg, strlen(arg)); |
3cc9a4d4 JF |
1075 | return OK; |
1076 | } | |
5bfd96c7 JF |
1077 | } |
1078 | ||
a3653368 | 1079 | config_msg = "Unknown variable name"; |
5bfd96c7 JF |
1080 | return ERR; |
1081 | } | |
1082 | ||
04e2b7b2 JF |
1083 | /* Wants: mode request key */ |
1084 | static int | |
1085 | option_bind_command(int argc, char *argv[]) | |
1086 | { | |
1087 | enum request request; | |
1088 | int keymap; | |
1089 | int key; | |
1090 | ||
1091 | if (argc != 3) { | |
1092 | config_msg = "Wrong number of arguments given to bind command"; | |
1093 | return ERR; | |
1094 | } | |
1095 | ||
1096 | if (set_keymap(&keymap, argv[0]) == ERR) { | |
1097 | config_msg = "Unknown key map"; | |
1098 | return ERR; | |
1099 | } | |
1100 | ||
1101 | key = get_key_value(argv[1]); | |
1102 | if (key == ERR) { | |
1103 | config_msg = "Unknown key"; | |
1104 | return ERR; | |
1105 | } | |
1106 | ||
1107 | request = get_request(argv[2]); | |
1108 | if (request == REQ_UNKNOWN) { | |
1109 | config_msg = "Unknown request name"; | |
1110 | return ERR; | |
1111 | } | |
1112 | ||
1113 | add_keybinding(keymap, request, key); | |
1114 | ||
1115 | return OK; | |
1116 | } | |
1117 | ||
bca8fcaa | 1118 | static int |
9256ab05 | 1119 | set_option(char *opt, char *value) |
bca8fcaa | 1120 | { |
9256ab05 JF |
1121 | char *argv[16]; |
1122 | int valuelen; | |
1123 | int argc = 0; | |
1124 | ||
1125 | /* Tokenize */ | |
1126 | while (argc < ARRAY_SIZE(argv) && (valuelen = strcspn(value, " \t"))) { | |
1127 | argv[argc++] = value; | |
1128 | ||
1129 | value += valuelen; | |
1130 | if (!*value) | |
1131 | break; | |
1132 | ||
1133 | *value++ = 0; | |
1134 | while (isspace(*value)) | |
1135 | value++; | |
1136 | } | |
1137 | ||
1138 | if (!strcmp(opt, "color")) | |
5bfd96c7 JF |
1139 | return option_color_command(argc, argv); |
1140 | ||
1141 | if (!strcmp(opt, "set")) | |
1142 | return option_set_command(argc, argv); | |
bca8fcaa | 1143 | |
04e2b7b2 JF |
1144 | if (!strcmp(opt, "bind")) |
1145 | return option_bind_command(argc, argv); | |
1146 | ||
a3653368 | 1147 | config_msg = "Unknown option command"; |
660e09ad JF |
1148 | return ERR; |
1149 | } | |
1150 | ||
1151 | static int | |
5699e0cf | 1152 | read_option(char *opt, size_t optlen, char *value, size_t valuelen) |
3c3801c2 | 1153 | { |
a3653368 JF |
1154 | int status = OK; |
1155 | ||
3c3801c2 JF |
1156 | config_lineno++; |
1157 | config_msg = "Internal error"; | |
1158 | ||
a3653368 JF |
1159 | /* Check for comment markers, since read_properties() will |
1160 | * only ensure opt and value are split at first " \t". */ | |
74f83ee6 | 1161 | optlen = strcspn(opt, "#"); |
a3653368 | 1162 | if (optlen == 0) |
3c3801c2 JF |
1163 | return OK; |
1164 | ||
a3653368 JF |
1165 | if (opt[optlen] != 0) { |
1166 | config_msg = "No option value"; | |
1167 | status = ERR; | |
1168 | ||
1169 | } else { | |
1170 | /* Look for comment endings in the value. */ | |
5699e0cf | 1171 | size_t len = strcspn(value, "#"); |
a3653368 JF |
1172 | |
1173 | if (len < valuelen) { | |
1174 | valuelen = len; | |
1175 | value[valuelen] = 0; | |
1176 | } | |
1177 | ||
1178 | status = set_option(opt, value); | |
3c3801c2 JF |
1179 | } |
1180 | ||
a3653368 JF |
1181 | if (status == ERR) { |
1182 | fprintf(stderr, "Error on line %d, near '%.*s': %s\n", | |
07c3971e | 1183 | config_lineno, (int) optlen, opt, config_msg); |
3c3801c2 JF |
1184 | config_errors = TRUE; |
1185 | } | |
1186 | ||
1187 | /* Always keep going if errors are encountered. */ | |
1188 | return OK; | |
1189 | } | |
1190 | ||
1191 | static int | |
660e09ad JF |
1192 | load_options(void) |
1193 | { | |
1194 | char *home = getenv("HOME"); | |
17482b11 | 1195 | char buf[SIZEOF_STR]; |
660e09ad JF |
1196 | FILE *file; |
1197 | ||
3c3801c2 JF |
1198 | config_lineno = 0; |
1199 | config_errors = FALSE; | |
1200 | ||
cc2d1364 | 1201 | if (!home || !string_format(buf, "%s/.tigrc", home)) |
660e09ad JF |
1202 | return ERR; |
1203 | ||
1204 | /* It's ok that the file doesn't exist. */ | |
1205 | file = fopen(buf, "r"); | |
1206 | if (!file) | |
1207 | return OK; | |
1208 | ||
3c3801c2 JF |
1209 | if (read_properties(file, " \t", read_option) == ERR || |
1210 | config_errors == TRUE) | |
1211 | fprintf(stderr, "Errors while loading %s.\n", buf); | |
1212 | ||
1213 | return OK; | |
660e09ad JF |
1214 | } |
1215 | ||
1216 | ||
d839253b | 1217 | /* |
468876c9 | 1218 | * The viewer |
d839253b | 1219 | */ |
c2124ccd JF |
1220 | |
1221 | struct view; | |
fe7233c3 | 1222 | struct view_ops; |
c2124ccd JF |
1223 | |
1224 | /* The display array of active views and the index of the current view. */ | |
1225 | static struct view *display[2]; | |
1226 | static unsigned int current_view; | |
1227 | ||
ab4af23e JF |
1228 | /* Reading from the prompt? */ |
1229 | static bool input_mode = FALSE; | |
1230 | ||
33c4f9ea | 1231 | #define foreach_displayed_view(view, i) \ |
c2124ccd JF |
1232 | for (i = 0; i < ARRAY_SIZE(display) && (view = display[i]); i++) |
1233 | ||
9f41488f | 1234 | #define displayed_views() (display[1] != NULL ? 2 : 1) |
c2124ccd | 1235 | |
d839253b | 1236 | /* Current head and commit ID */ |
e733ee54 | 1237 | static char ref_blob[SIZEOF_REF] = ""; |
c2124ccd JF |
1238 | static char ref_commit[SIZEOF_REF] = "HEAD"; |
1239 | static char ref_head[SIZEOF_REF] = "HEAD"; | |
1240 | ||
b801d8b2 | 1241 | struct view { |
03a93dbb | 1242 | const char *name; /* View name */ |
4685845e TH |
1243 | const char *cmd_fmt; /* Default command line format */ |
1244 | const char *cmd_env; /* Command line set via environment */ | |
e733ee54 | 1245 | const char *id; /* Points to either of ref_{head,commit,blob} */ |
6b161b31 | 1246 | |
fe7233c3 | 1247 | struct view_ops *ops; /* View operations */ |
22f66b0a | 1248 | |
04e2b7b2 JF |
1249 | enum keymap keymap; /* What keymap does this view have */ |
1250 | ||
17482b11 | 1251 | char cmd[SIZEOF_STR]; /* Command buffer */ |
49f2b43f JF |
1252 | char ref[SIZEOF_REF]; /* Hovered commit reference */ |
1253 | char vid[SIZEOF_REF]; /* View ID. Set to id member when updating. */ | |
2e8488b4 | 1254 | |
8855ada4 JF |
1255 | int height, width; /* The width and height of the main window */ |
1256 | WINDOW *win; /* The main window */ | |
1257 | WINDOW *title; /* The title window living below the main window */ | |
b801d8b2 JF |
1258 | |
1259 | /* Navigation */ | |
1260 | unsigned long offset; /* Offset of the window top */ | |
1261 | unsigned long lineno; /* Current line number */ | |
1262 | ||
4af34daa JF |
1263 | /* Searching */ |
1264 | char grep[SIZEOF_STR]; /* Search string */ | |
b77b2cb8 | 1265 | regex_t *regex; /* Pre-compiled regex */ |
4af34daa | 1266 | |
f6da0b66 JF |
1267 | /* If non-NULL, points to the view that opened this view. If this view |
1268 | * is closed tig will switch back to the parent view. */ | |
1269 | struct view *parent; | |
1270 | ||
b801d8b2 JF |
1271 | /* Buffering */ |
1272 | unsigned long lines; /* Total number of lines */ | |
fe7233c3 | 1273 | struct line *line; /* Line index */ |
e2c01617 | 1274 | unsigned long line_size;/* Total number of allocated lines */ |
8855ada4 | 1275 | unsigned int digits; /* Number of digits in the lines member. */ |
b801d8b2 JF |
1276 | |
1277 | /* Loading */ | |
1278 | FILE *pipe; | |
2e8488b4 | 1279 | time_t start_time; |
b801d8b2 JF |
1280 | }; |
1281 | ||
fe7233c3 JF |
1282 | struct view_ops { |
1283 | /* What type of content being displayed. Used in the title bar. */ | |
1284 | const char *type; | |
f098944b JF |
1285 | /* Open and reads in all view content. */ |
1286 | bool (*open)(struct view *view); | |
fe7233c3 | 1287 | /* Read one line; updates view->line. */ |
701e4f5d | 1288 | bool (*read)(struct view *view, char *data); |
f098944b JF |
1289 | /* Draw one line; @lineno must be < view->height. */ |
1290 | bool (*draw)(struct view *view, struct line *line, unsigned int lineno, bool selected); | |
586c423d JF |
1291 | /* Depending on view handle a special requests. */ |
1292 | enum request (*request)(struct view *view, enum request request, struct line *line); | |
4af34daa JF |
1293 | /* Search for regex in a line. */ |
1294 | bool (*grep)(struct view *view, struct line *line); | |
d720de4b JF |
1295 | /* Select line */ |
1296 | void (*select)(struct view *view, struct line *line); | |
fe7233c3 JF |
1297 | }; |
1298 | ||
6b161b31 JF |
1299 | static struct view_ops pager_ops; |
1300 | static struct view_ops main_ops; | |
e733ee54 JF |
1301 | static struct view_ops tree_ops; |
1302 | static struct view_ops blob_ops; | |
f098944b | 1303 | static struct view_ops help_ops; |
173d76ea | 1304 | static struct view_ops status_ops; |
3e634113 | 1305 | static struct view_ops stage_ops; |
a28bcc22 | 1306 | |
04e2b7b2 JF |
1307 | #define VIEW_STR(name, cmd, env, ref, ops, map) \ |
1308 | { name, cmd, #env, ref, ops, map} | |
1ba2ae4b | 1309 | |
95d7ddcd | 1310 | #define VIEW_(id, name, ops, ref) \ |
04e2b7b2 | 1311 | VIEW_STR(name, TIG_##id##_CMD, TIG_##id##_CMD, ref, ops, KEYMAP_##id) |
1ba2ae4b | 1312 | |
c2124ccd | 1313 | |
b801d8b2 | 1314 | static struct view views[] = { |
173d76ea JF |
1315 | VIEW_(MAIN, "main", &main_ops, ref_head), |
1316 | VIEW_(DIFF, "diff", &pager_ops, ref_commit), | |
1317 | VIEW_(LOG, "log", &pager_ops, ref_head), | |
1318 | VIEW_(TREE, "tree", &tree_ops, ref_commit), | |
1319 | VIEW_(BLOB, "blob", &blob_ops, ref_blob), | |
b64c5b75 JF |
1320 | VIEW_(HELP, "help", &help_ops, ""), |
1321 | VIEW_(PAGER, "pager", &pager_ops, "stdin"), | |
173d76ea | 1322 | VIEW_(STATUS, "status", &status_ops, ""), |
3e634113 | 1323 | VIEW_(STAGE, "stage", &stage_ops, ""), |
b801d8b2 JF |
1324 | }; |
1325 | ||
a28bcc22 JF |
1326 | #define VIEW(req) (&views[(req) - REQ_OFFSET - 1]) |
1327 | ||
699ae55b JF |
1328 | #define foreach_view(view, i) \ |
1329 | for (i = 0; i < ARRAY_SIZE(views) && (view = &views[i]); i++) | |
1330 | ||
1331 | #define view_is_displayed(view) \ | |
1332 | (view == display[0] || view == display[1]) | |
4c6fabc2 | 1333 | |
fe7233c3 JF |
1334 | static bool |
1335 | draw_view_line(struct view *view, unsigned int lineno) | |
1336 | { | |
d720de4b | 1337 | struct line *line; |
5dcf8064 | 1338 | bool selected = (view->offset + lineno == view->lineno); |
4887d44e | 1339 | bool draw_ok; |
d720de4b | 1340 | |
699ae55b JF |
1341 | assert(view_is_displayed(view)); |
1342 | ||
fe7233c3 JF |
1343 | if (view->offset + lineno >= view->lines) |
1344 | return FALSE; | |
1345 | ||
d720de4b JF |
1346 | line = &view->line[view->offset + lineno]; |
1347 | ||
3c571d67 JF |
1348 | if (selected) { |
1349 | line->selected = TRUE; | |
d720de4b | 1350 | view->ops->select(view, line); |
3c571d67 JF |
1351 | } else if (line->selected) { |
1352 | line->selected = FALSE; | |
1353 | wmove(view->win, lineno, 0); | |
1354 | wclrtoeol(view->win); | |
1355 | } | |
d720de4b | 1356 | |
4887d44e JF |
1357 | scrollok(view->win, FALSE); |
1358 | draw_ok = view->ops->draw(view, line, lineno, selected); | |
1359 | scrollok(view->win, TRUE); | |
1360 | ||
1361 | return draw_ok; | |
fe7233c3 JF |
1362 | } |
1363 | ||
b801d8b2 | 1364 | static void |
82e78006 | 1365 | redraw_view_from(struct view *view, int lineno) |
b801d8b2 | 1366 | { |
82e78006 | 1367 | assert(0 <= lineno && lineno < view->height); |
b801d8b2 | 1368 | |
82e78006 | 1369 | for (; lineno < view->height; lineno++) { |
fe7233c3 | 1370 | if (!draw_view_line(view, lineno)) |
fd85fef1 | 1371 | break; |
b801d8b2 JF |
1372 | } |
1373 | ||
1374 | redrawwin(view->win); | |
ab4af23e JF |
1375 | if (input_mode) |
1376 | wnoutrefresh(view->win); | |
1377 | else | |
1378 | wrefresh(view->win); | |
b801d8b2 JF |
1379 | } |
1380 | ||
b76c2afc | 1381 | static void |
82e78006 JF |
1382 | redraw_view(struct view *view) |
1383 | { | |
1384 | wclear(view->win); | |
1385 | redraw_view_from(view, 0); | |
1386 | } | |
1387 | ||
c2124ccd | 1388 | |
6b161b31 | 1389 | static void |
81030ec8 JF |
1390 | update_view_title(struct view *view) |
1391 | { | |
3c112a88 | 1392 | char buf[SIZEOF_STR]; |
71d1c7db JF |
1393 | char state[SIZEOF_STR]; |
1394 | size_t bufpos = 0, statelen = 0; | |
81030ec8 | 1395 | |
3c112a88 | 1396 | assert(view_is_displayed(view)); |
81030ec8 | 1397 | |
249016a6 | 1398 | if (view != VIEW(REQ_VIEW_STATUS) && (view->lines || view->pipe)) { |
6d9c07af | 1399 | unsigned int view_lines = view->offset + view->height; |
c19f8017 | 1400 | unsigned int lines = view->lines |
6d9c07af | 1401 | ? MIN(view_lines, view->lines) * 100 / view->lines |
c19f8017 JF |
1402 | : 0; |
1403 | ||
71d1c7db | 1404 | string_format_from(state, &statelen, "- %s %d of %d (%d%%)", |
3c112a88 JF |
1405 | view->ops->type, |
1406 | view->lineno + 1, | |
1407 | view->lines, | |
1408 | lines); | |
81030ec8 | 1409 | |
5becf244 JF |
1410 | if (view->pipe) { |
1411 | time_t secs = time(NULL) - view->start_time; | |
f97f4012 | 1412 | |
5becf244 JF |
1413 | /* Three git seconds are a long time ... */ |
1414 | if (secs > 2) | |
71d1c7db | 1415 | string_format_from(state, &statelen, " %lds", secs); |
5becf244 | 1416 | } |
81030ec8 JF |
1417 | } |
1418 | ||
71d1c7db JF |
1419 | string_format_from(buf, &bufpos, "[%s]", view->name); |
1420 | if (*view->ref && bufpos < view->width) { | |
1421 | size_t refsize = strlen(view->ref); | |
1422 | size_t minsize = bufpos + 1 + /* abbrev= */ 7 + 1 + statelen; | |
1423 | ||
1424 | if (minsize < view->width) | |
1425 | refsize = view->width - minsize + 7; | |
d1858deb | 1426 | string_format_from(buf, &bufpos, " %.*s", (int) refsize, view->ref); |
71d1c7db | 1427 | } |
f97f4012 | 1428 | |
71d1c7db JF |
1429 | if (statelen && bufpos < view->width) { |
1430 | string_format_from(buf, &bufpos, " %s", state); | |
f97f4012 JF |
1431 | } |
1432 | ||
3c112a88 JF |
1433 | if (view == display[current_view]) |
1434 | wbkgdset(view->title, get_line_attr(LINE_TITLE_FOCUS)); | |
1435 | else | |
1436 | wbkgdset(view->title, get_line_attr(LINE_TITLE_BLUR)); | |
1437 | ||
3c112a88 | 1438 | mvwaddnstr(view->title, 0, 0, buf, bufpos); |
390a8262 | 1439 | wclrtoeol(view->title); |
976447f8 | 1440 | wmove(view->title, 0, view->width - 1); |
ab4af23e JF |
1441 | |
1442 | if (input_mode) | |
1443 | wnoutrefresh(view->title); | |
1444 | else | |
1445 | wrefresh(view->title); | |
81030ec8 JF |
1446 | } |
1447 | ||
1448 | static void | |
6b161b31 | 1449 | resize_display(void) |
b76c2afc | 1450 | { |
03a93dbb | 1451 | int offset, i; |
6b161b31 JF |
1452 | struct view *base = display[0]; |
1453 | struct view *view = display[1] ? display[1] : display[0]; | |
b76c2afc | 1454 | |
6b161b31 | 1455 | /* Setup window dimensions */ |
b76c2afc | 1456 | |
03a93dbb | 1457 | getmaxyx(stdscr, base->height, base->width); |
b76c2afc | 1458 | |
6b161b31 | 1459 | /* Make room for the status window. */ |
03a93dbb | 1460 | base->height -= 1; |
6b161b31 JF |
1461 | |
1462 | if (view != base) { | |
03a93dbb JF |
1463 | /* Horizontal split. */ |
1464 | view->width = base->width; | |
6b161b31 JF |
1465 | view->height = SCALE_SPLIT_VIEW(base->height); |
1466 | base->height -= view->height; | |
1467 | ||
1468 | /* Make room for the title bar. */ | |
1469 | view->height -= 1; | |
1470 | } | |
1471 | ||
1472 | /* Make room for the title bar. */ | |
1473 | base->height -= 1; | |
1474 | ||
1475 | offset = 0; | |
1476 | ||
33c4f9ea | 1477 | foreach_displayed_view (view, i) { |
b76c2afc | 1478 | if (!view->win) { |
c19f8017 | 1479 | view->win = newwin(view->height, 0, offset, 0); |
6b161b31 JF |
1480 | if (!view->win) |
1481 | die("Failed to create %s view", view->name); | |
1482 | ||
1483 | scrollok(view->win, TRUE); | |
1484 | ||
1485 | view->title = newwin(1, 0, offset + view->height, 0); | |
1486 | if (!view->title) | |
1487 | die("Failed to create title window"); | |
1488 | ||
1489 | } else { | |
c19f8017 | 1490 | wresize(view->win, view->height, view->width); |
6b161b31 JF |
1491 | mvwin(view->win, offset, 0); |
1492 | mvwin(view->title, offset + view->height, 0); | |
a28bcc22 | 1493 | } |
a28bcc22 | 1494 | |
6b161b31 | 1495 | offset += view->height + 1; |
b76c2afc | 1496 | } |
6b161b31 | 1497 | } |
b76c2afc | 1498 | |
6b161b31 | 1499 | static void |
20bb5e18 JF |
1500 | redraw_display(void) |
1501 | { | |
1502 | struct view *view; | |
1503 | int i; | |
1504 | ||
33c4f9ea | 1505 | foreach_displayed_view (view, i) { |
20bb5e18 JF |
1506 | redraw_view(view); |
1507 | update_view_title(view); | |
1508 | } | |
1509 | } | |
1510 | ||
85af6284 | 1511 | static void |
2bee3bde | 1512 | update_display_cursor(struct view *view) |
85af6284 | 1513 | { |
85af6284 JF |
1514 | /* Move the cursor to the right-most column of the cursor line. |
1515 | * | |
1516 | * XXX: This could turn out to be a bit expensive, but it ensures that | |
1517 | * the cursor does not jump around. */ | |
1518 | if (view->lines) { | |
1519 | wmove(view->win, view->lineno - view->offset, view->width - 1); | |
1520 | wrefresh(view->win); | |
1521 | } | |
1522 | } | |
20bb5e18 | 1523 | |
2e8488b4 JF |
1524 | /* |
1525 | * Navigation | |
1526 | */ | |
1527 | ||
4a2909a7 | 1528 | /* Scrolling backend */ |
b801d8b2 | 1529 | static void |
8c317212 | 1530 | do_scroll_view(struct view *view, int lines) |
b801d8b2 | 1531 | { |
a0087dd5 JF |
1532 | bool redraw_current_line = FALSE; |
1533 | ||
fd85fef1 JF |
1534 | /* The rendering expects the new offset. */ |
1535 | view->offset += lines; | |
1536 | ||
1537 | assert(0 <= view->offset && view->offset < view->lines); | |
1538 | assert(lines); | |
b801d8b2 | 1539 | |
a0087dd5 JF |
1540 | /* Move current line into the view. */ |
1541 | if (view->lineno < view->offset) { | |
1542 | view->lineno = view->offset; | |
1543 | redraw_current_line = TRUE; | |
1544 | } else if (view->lineno >= view->offset + view->height) { | |
1545 | view->lineno = view->offset + view->height - 1; | |
1546 | redraw_current_line = TRUE; | |
1547 | } | |
1548 | ||
1549 | assert(view->offset <= view->lineno && view->lineno < view->lines); | |
1550 | ||
82e78006 | 1551 | /* Redraw the whole screen if scrolling is pointless. */ |
4c6fabc2 | 1552 | if (view->height < ABS(lines)) { |
b76c2afc JF |
1553 | redraw_view(view); |
1554 | ||
1555 | } else { | |
22f66b0a | 1556 | int line = lines > 0 ? view->height - lines : 0; |
82e78006 | 1557 | int end = line + ABS(lines); |
fd85fef1 JF |
1558 | |
1559 | wscrl(view->win, lines); | |
1560 | ||
22f66b0a | 1561 | for (; line < end; line++) { |
fe7233c3 | 1562 | if (!draw_view_line(view, line)) |
fd85fef1 JF |
1563 | break; |
1564 | } | |
fd85fef1 | 1565 | |
a0087dd5 JF |
1566 | if (redraw_current_line) |
1567 | draw_view_line(view, view->lineno - view->offset); | |
fd85fef1 JF |
1568 | } |
1569 | ||
fd85fef1 JF |
1570 | redrawwin(view->win); |
1571 | wrefresh(view->win); | |
9d3f5834 | 1572 | report(""); |
fd85fef1 | 1573 | } |
78c70acd | 1574 | |
4a2909a7 | 1575 | /* Scroll frontend */ |
fd85fef1 | 1576 | static void |
6b161b31 | 1577 | scroll_view(struct view *view, enum request request) |
fd85fef1 JF |
1578 | { |
1579 | int lines = 1; | |
b801d8b2 | 1580 | |
8c317212 JF |
1581 | assert(view_is_displayed(view)); |
1582 | ||
b801d8b2 | 1583 | switch (request) { |
4a2909a7 | 1584 | case REQ_SCROLL_PAGE_DOWN: |
fd85fef1 | 1585 | lines = view->height; |
4a2909a7 | 1586 | case REQ_SCROLL_LINE_DOWN: |
b801d8b2 | 1587 | if (view->offset + lines > view->lines) |
bde3653a | 1588 | lines = view->lines - view->offset; |
b801d8b2 | 1589 | |
fd85fef1 | 1590 | if (lines == 0 || view->offset + view->height >= view->lines) { |
eb98559e | 1591 | report("Cannot scroll beyond the last line"); |
b801d8b2 JF |
1592 | return; |
1593 | } | |
1594 | break; | |
1595 | ||
4a2909a7 | 1596 | case REQ_SCROLL_PAGE_UP: |
fd85fef1 | 1597 | lines = view->height; |
4a2909a7 | 1598 | case REQ_SCROLL_LINE_UP: |
b801d8b2 JF |
1599 | if (lines > view->offset) |
1600 | lines = view->offset; | |
1601 | ||
1602 | if (lines == 0) { | |
eb98559e | 1603 | report("Cannot scroll beyond the first line"); |
b801d8b2 JF |
1604 | return; |
1605 | } | |
1606 | ||
fd85fef1 | 1607 | lines = -lines; |
b801d8b2 | 1608 | break; |
03a93dbb | 1609 | |
6b161b31 JF |
1610 | default: |
1611 | die("request %d not handled in switch", request); | |
b801d8b2 JF |
1612 | } |
1613 | ||
8c317212 | 1614 | do_scroll_view(view, lines); |
fd85fef1 | 1615 | } |
b801d8b2 | 1616 | |
4a2909a7 | 1617 | /* Cursor moving */ |
fd85fef1 | 1618 | static void |
8522ecc7 | 1619 | move_view(struct view *view, enum request request) |
fd85fef1 | 1620 | { |
dfaa6c81 | 1621 | int scroll_steps = 0; |
fd85fef1 | 1622 | int steps; |
b801d8b2 | 1623 | |
fd85fef1 | 1624 | switch (request) { |
4a2909a7 | 1625 | case REQ_MOVE_FIRST_LINE: |
78c70acd JF |
1626 | steps = -view->lineno; |
1627 | break; | |
1628 | ||
4a2909a7 | 1629 | case REQ_MOVE_LAST_LINE: |
78c70acd JF |
1630 | steps = view->lines - view->lineno - 1; |
1631 | break; | |
1632 | ||
4a2909a7 | 1633 | case REQ_MOVE_PAGE_UP: |
78c70acd JF |
1634 | steps = view->height > view->lineno |
1635 | ? -view->lineno : -view->height; | |
1636 | break; | |
1637 | ||
4a2909a7 | 1638 | case REQ_MOVE_PAGE_DOWN: |
78c70acd JF |
1639 | steps = view->lineno + view->height >= view->lines |
1640 | ? view->lines - view->lineno - 1 : view->height; | |
1641 | break; | |
1642 | ||
4a2909a7 | 1643 | case REQ_MOVE_UP: |
fd85fef1 JF |
1644 | steps = -1; |
1645 | break; | |
b801d8b2 | 1646 | |
4a2909a7 | 1647 | case REQ_MOVE_DOWN: |
fd85fef1 JF |
1648 | steps = 1; |
1649 | break; | |
6b161b31 JF |
1650 | |
1651 | default: | |
1652 | die("request %d not handled in switch", request); | |
78c70acd | 1653 | } |
b801d8b2 | 1654 | |
4c6fabc2 | 1655 | if (steps <= 0 && view->lineno == 0) { |
eb98559e | 1656 | report("Cannot move beyond the first line"); |
78c70acd | 1657 | return; |
b801d8b2 | 1658 | |
6908bdbd | 1659 | } else if (steps >= 0 && view->lineno + 1 >= view->lines) { |
eb98559e | 1660 | report("Cannot move beyond the last line"); |
78c70acd | 1661 | return; |
fd85fef1 JF |
1662 | } |
1663 | ||
4c6fabc2 | 1664 | /* Move the current line */ |
fd85fef1 | 1665 | view->lineno += steps; |
4c6fabc2 JF |
1666 | assert(0 <= view->lineno && view->lineno < view->lines); |
1667 | ||
4c6fabc2 | 1668 | /* Check whether the view needs to be scrolled */ |
fd85fef1 JF |
1669 | if (view->lineno < view->offset || |
1670 | view->lineno >= view->offset + view->height) { | |
dfaa6c81 | 1671 | scroll_steps = steps; |
fd85fef1 | 1672 | if (steps < 0 && -steps > view->offset) { |
dfaa6c81 | 1673 | scroll_steps = -view->offset; |
b76c2afc JF |
1674 | |
1675 | } else if (steps > 0) { | |
1676 | if (view->lineno == view->lines - 1 && | |
1677 | view->lines > view->height) { | |
dfaa6c81 JF |
1678 | scroll_steps = view->lines - view->offset - 1; |
1679 | if (scroll_steps >= view->height) | |
1680 | scroll_steps -= view->height - 1; | |
b76c2afc | 1681 | } |
b801d8b2 | 1682 | } |
8522ecc7 JF |
1683 | } |
1684 | ||
1685 | if (!view_is_displayed(view)) { | |
a3965365 JF |
1686 | view->offset += scroll_steps; |
1687 | assert(0 <= view->offset && view->offset < view->lines); | |
8522ecc7 JF |
1688 | view->ops->select(view, &view->line[view->lineno]); |
1689 | return; | |
1690 | } | |
1691 | ||
1692 | /* Repaint the old "current" line if we be scrolling */ | |
1693 | if (ABS(steps) < view->height) | |
1694 | draw_view_line(view, view->lineno - steps - view->offset); | |
1695 | ||
dfaa6c81 JF |
1696 | if (scroll_steps) { |
1697 | do_scroll_view(view, scroll_steps); | |
fd85fef1 | 1698 | return; |
b801d8b2 JF |
1699 | } |
1700 | ||
4c6fabc2 | 1701 | /* Draw the current line */ |
fe7233c3 | 1702 | draw_view_line(view, view->lineno - view->offset); |
fd85fef1 | 1703 | |
b801d8b2 JF |
1704 | redrawwin(view->win); |
1705 | wrefresh(view->win); | |
9d3f5834 | 1706 | report(""); |
b801d8b2 JF |
1707 | } |
1708 | ||
b801d8b2 | 1709 | |
2e8488b4 | 1710 | /* |
4af34daa JF |
1711 | * Searching |
1712 | */ | |
1713 | ||
c02d8fce | 1714 | static void search_view(struct view *view, enum request request); |
4af34daa JF |
1715 | |
1716 | static bool | |
1717 | find_next_line(struct view *view, unsigned long lineno, struct line *line) | |
1718 | { | |
699ae55b JF |
1719 | assert(view_is_displayed(view)); |
1720 | ||
4af34daa JF |
1721 | if (!view->ops->grep(view, line)) |
1722 | return FALSE; | |
1723 | ||
1724 | if (lineno - view->offset >= view->height) { | |
1725 | view->offset = lineno; | |
1726 | view->lineno = lineno; | |
1727 | redraw_view(view); | |
1728 | ||
1729 | } else { | |
1730 | unsigned long old_lineno = view->lineno - view->offset; | |
1731 | ||
1732 | view->lineno = lineno; | |
4af34daa JF |
1733 | draw_view_line(view, old_lineno); |
1734 | ||
1735 | draw_view_line(view, view->lineno - view->offset); | |
1736 | redrawwin(view->win); | |
1737 | wrefresh(view->win); | |
1738 | } | |
1739 | ||
1740 | report("Line %ld matches '%s'", lineno + 1, view->grep); | |
1741 | return TRUE; | |
1742 | } | |
1743 | ||
1744 | static void | |
1745 | find_next(struct view *view, enum request request) | |
1746 | { | |
1747 | unsigned long lineno = view->lineno; | |
1748 | int direction; | |
1749 | ||
1750 | if (!*view->grep) { | |
1751 | if (!*opt_search) | |
1752 | report("No previous search"); | |
1753 | else | |
c02d8fce | 1754 | search_view(view, request); |
4af34daa JF |
1755 | return; |
1756 | } | |
1757 | ||
1758 | switch (request) { | |
1759 | case REQ_SEARCH: | |
1760 | case REQ_FIND_NEXT: | |
1761 | direction = 1; | |
1762 | break; | |
1763 | ||
1764 | case REQ_SEARCH_BACK: | |
1765 | case REQ_FIND_PREV: | |
1766 | direction = -1; | |
1767 | break; | |
1768 | ||
1769 | default: | |
1770 | return; | |
1771 | } | |
1772 | ||
1773 | if (request == REQ_FIND_NEXT || request == REQ_FIND_PREV) | |
1774 | lineno += direction; | |
1775 | ||
1776 | /* Note, lineno is unsigned long so will wrap around in which case it | |
1777 | * will become bigger than view->lines. */ | |
1778 | for (; lineno < view->lines; lineno += direction) { | |
1779 | struct line *line = &view->line[lineno]; | |
1780 | ||
1781 | if (find_next_line(view, lineno, line)) | |
1782 | return; | |
1783 | } | |
1784 | ||
1785 | report("No match found for '%s'", view->grep); | |
1786 | } | |
1787 | ||
1788 | static void | |
c02d8fce | 1789 | search_view(struct view *view, enum request request) |
4af34daa JF |
1790 | { |
1791 | int regex_err; | |
1792 | ||
b77b2cb8 JF |
1793 | if (view->regex) { |
1794 | regfree(view->regex); | |
4af34daa | 1795 | *view->grep = 0; |
b77b2cb8 JF |
1796 | } else { |
1797 | view->regex = calloc(1, sizeof(*view->regex)); | |
1798 | if (!view->regex) | |
1799 | return; | |
4af34daa JF |
1800 | } |
1801 | ||
c02d8fce | 1802 | regex_err = regcomp(view->regex, opt_search, REG_EXTENDED); |
4af34daa JF |
1803 | if (regex_err != 0) { |
1804 | char buf[SIZEOF_STR] = "unknown error"; | |
1805 | ||
b77b2cb8 | 1806 | regerror(regex_err, view->regex, buf, sizeof(buf)); |
e9cacd58 | 1807 | report("Search failed: %s", buf); |
4af34daa JF |
1808 | return; |
1809 | } | |
1810 | ||
c02d8fce | 1811 | string_copy(view->grep, opt_search); |
4af34daa JF |
1812 | |
1813 | find_next(view, request); | |
1814 | } | |
1815 | ||
1816 | /* | |
2e8488b4 JF |
1817 | * Incremental updating |
1818 | */ | |
b801d8b2 | 1819 | |
199d1288 JF |
1820 | static void |
1821 | end_update(struct view *view) | |
1822 | { | |
1823 | if (!view->pipe) | |
1824 | return; | |
1825 | set_nonblocking_input(FALSE); | |
1826 | if (view->pipe == stdin) | |
1827 | fclose(view->pipe); | |
1828 | else | |
1829 | pclose(view->pipe); | |
1830 | view->pipe = NULL; | |
1831 | } | |
1832 | ||
03a93dbb | 1833 | static bool |
b801d8b2 JF |
1834 | begin_update(struct view *view) |
1835 | { | |
199d1288 JF |
1836 | if (view->pipe) |
1837 | end_update(view); | |
1838 | ||
03a93dbb JF |
1839 | if (opt_cmd[0]) { |
1840 | string_copy(view->cmd, opt_cmd); | |
1841 | opt_cmd[0] = 0; | |
035ba11f JF |
1842 | /* When running random commands, initially show the |
1843 | * command in the title. However, it maybe later be | |
1844 | * overwritten if a commit line is selected. */ | |
809a9f48 JF |
1845 | if (view == VIEW(REQ_VIEW_PAGER)) |
1846 | string_copy(view->ref, view->cmd); | |
1847 | else | |
1848 | view->ref[0] = 0; | |
e733ee54 JF |
1849 | |
1850 | } else if (view == VIEW(REQ_VIEW_TREE)) { | |
1851 | const char *format = view->cmd_env ? view->cmd_env : view->cmd_fmt; | |
f0f114ac | 1852 | char path[SIZEOF_STR]; |
e733ee54 JF |
1853 | |
1854 | if (strcmp(view->vid, view->id)) | |
f0f114ac JF |
1855 | opt_path[0] = path[0] = 0; |
1856 | else if (sq_quote(path, 0, opt_path) >= sizeof(path)) | |
1857 | return FALSE; | |
e733ee54 | 1858 | |
739e81de | 1859 | if (!string_format(view->cmd, format, view->id, path)) |
e733ee54 JF |
1860 | return FALSE; |
1861 | ||
03a93dbb | 1862 | } else { |
4685845e | 1863 | const char *format = view->cmd_env ? view->cmd_env : view->cmd_fmt; |
739e81de | 1864 | const char *id = view->id; |
1ba2ae4b | 1865 | |
cc2d1364 | 1866 | if (!string_format(view->cmd, format, id, id, id, id, id)) |
03a93dbb | 1867 | return FALSE; |
035ba11f JF |
1868 | |
1869 | /* Put the current ref_* value to the view title ref | |
1870 | * member. This is needed by the blob view. Most other | |
1871 | * views sets it automatically after loading because the | |
1872 | * first line is a commit line. */ | |
739e81de | 1873 | string_copy_rev(view->ref, view->id); |
03a93dbb | 1874 | } |
b801d8b2 | 1875 | |
6908bdbd JF |
1876 | /* Special case for the pager view. */ |
1877 | if (opt_pipe) { | |
1878 | view->pipe = opt_pipe; | |
1879 | opt_pipe = NULL; | |
1880 | } else { | |
1881 | view->pipe = popen(view->cmd, "r"); | |
1882 | } | |
1883 | ||
2e8488b4 JF |
1884 | if (!view->pipe) |
1885 | return FALSE; | |
b801d8b2 | 1886 | |
6b161b31 | 1887 | set_nonblocking_input(TRUE); |
b801d8b2 JF |
1888 | |
1889 | view->offset = 0; | |
1890 | view->lines = 0; | |
1891 | view->lineno = 0; | |
739e81de | 1892 | string_copy_rev(view->vid, view->id); |
b801d8b2 | 1893 | |
2e8488b4 JF |
1894 | if (view->line) { |
1895 | int i; | |
1896 | ||
1897 | for (i = 0; i < view->lines; i++) | |
fe7233c3 JF |
1898 | if (view->line[i].data) |
1899 | free(view->line[i].data); | |
2e8488b4 JF |
1900 | |
1901 | free(view->line); | |
1902 | view->line = NULL; | |
1903 | } | |
1904 | ||
1905 | view->start_time = time(NULL); | |
1906 | ||
b801d8b2 JF |
1907 | return TRUE; |
1908 | } | |
1909 | ||
e2c01617 JF |
1910 | static struct line * |
1911 | realloc_lines(struct view *view, size_t line_size) | |
1912 | { | |
1913 | struct line *tmp = realloc(view->line, sizeof(*view->line) * line_size); | |
1914 | ||
1915 | if (!tmp) | |
1916 | return NULL; | |
1917 | ||
1918 | view->line = tmp; | |
1919 | view->line_size = line_size; | |
1920 | return view->line; | |
1921 | } | |
1922 | ||
03a93dbb | 1923 | static bool |
b801d8b2 JF |
1924 | update_view(struct view *view) |
1925 | { | |
6b68fd24 JF |
1926 | char in_buffer[BUFSIZ]; |
1927 | char out_buffer[BUFSIZ * 2]; | |
b801d8b2 | 1928 | char *line; |
82e78006 JF |
1929 | /* The number of lines to read. If too low it will cause too much |
1930 | * redrawing (and possible flickering), if too high responsiveness | |
1931 | * will suffer. */ | |
8855ada4 | 1932 | unsigned long lines = view->height; |
82e78006 | 1933 | int redraw_from = -1; |
b801d8b2 JF |
1934 | |
1935 | if (!view->pipe) | |
1936 | return TRUE; | |
1937 | ||
82e78006 JF |
1938 | /* Only redraw if lines are visible. */ |
1939 | if (view->offset + view->height >= view->lines) | |
1940 | redraw_from = view->lines - view->offset; | |
b801d8b2 | 1941 | |
699ae55b | 1942 | /* FIXME: This is probably not perfect for backgrounded views. */ |
e2c01617 | 1943 | if (!realloc_lines(view, view->lines + lines)) |
b801d8b2 JF |
1944 | goto alloc_error; |
1945 | ||
6b68fd24 JF |
1946 | while ((line = fgets(in_buffer, sizeof(in_buffer), view->pipe))) { |
1947 | size_t linelen = strlen(line); | |
b801d8b2 | 1948 | |
b801d8b2 JF |
1949 | if (linelen) |
1950 | line[linelen - 1] = 0; | |
1951 | ||
6b68fd24 | 1952 | if (opt_iconv != ICONV_NONE) { |
e47afdf2 | 1953 | ICONV_CONST char *inbuf = line; |
6b68fd24 JF |
1954 | size_t inlen = linelen; |
1955 | ||
1956 | char *outbuf = out_buffer; | |
1957 | size_t outlen = sizeof(out_buffer); | |
1958 | ||
1959 | size_t ret; | |
1960 | ||
7361622d | 1961 | ret = iconv(opt_iconv, &inbuf, &inlen, &outbuf, &outlen); |
6b68fd24 JF |
1962 | if (ret != (size_t) -1) { |
1963 | line = out_buffer; | |
1964 | linelen = strlen(out_buffer); | |
1965 | } | |
1966 | } | |
1967 | ||
701e4f5d | 1968 | if (!view->ops->read(view, line)) |
b801d8b2 | 1969 | goto alloc_error; |
fd85fef1 JF |
1970 | |
1971 | if (lines-- == 1) | |
1972 | break; | |
b801d8b2 JF |
1973 | } |
1974 | ||
8855ada4 JF |
1975 | { |
1976 | int digits; | |
1977 | ||
1978 | lines = view->lines; | |
1979 | for (digits = 0; lines; digits++) | |
1980 | lines /= 10; | |
1981 | ||
1982 | /* Keep the displayed view in sync with line number scaling. */ | |
1983 | if (digits != view->digits) { | |
1984 | view->digits = digits; | |
1985 | redraw_from = 0; | |
1986 | } | |
1987 | } | |
1988 | ||
699ae55b JF |
1989 | if (!view_is_displayed(view)) |
1990 | goto check_pipe; | |
1991 | ||
e733ee54 JF |
1992 | if (view == VIEW(REQ_VIEW_TREE)) { |
1993 | /* Clear the view and redraw everything since the tree sorting | |
1994 | * might have rearranged things. */ | |
1995 | redraw_view(view); | |
1996 | ||
1997 | } else if (redraw_from >= 0) { | |
82e78006 | 1998 | /* If this is an incremental update, redraw the previous line |
a28bcc22 JF |
1999 | * since for commits some members could have changed when |
2000 | * loading the main view. */ | |
82e78006 JF |
2001 | if (redraw_from > 0) |
2002 | redraw_from--; | |
2003 | ||
9eded379 JF |
2004 | /* Since revision graph visualization requires knowledge |
2005 | * about the parent commit, it causes a further one-off | |
2006 | * needed to be redrawn for incremental updates. */ | |
2007 | if (redraw_from > 0 && opt_rev_graph) | |
2008 | redraw_from--; | |
2009 | ||
82e78006 JF |
2010 | /* Incrementally draw avoids flickering. */ |
2011 | redraw_view_from(view, redraw_from); | |
4c6fabc2 | 2012 | } |
b801d8b2 | 2013 | |
eb98559e JF |
2014 | /* Update the title _after_ the redraw so that if the redraw picks up a |
2015 | * commit reference in view->ref it'll be available here. */ | |
2016 | update_view_title(view); | |
2017 | ||
699ae55b | 2018 | check_pipe: |
b801d8b2 | 2019 | if (ferror(view->pipe)) { |
03a93dbb | 2020 | report("Failed to read: %s", strerror(errno)); |
b801d8b2 JF |
2021 | goto end; |
2022 | ||
2023 | } else if (feof(view->pipe)) { | |
f97f4012 | 2024 | report(""); |
b801d8b2 JF |
2025 | goto end; |
2026 | } | |
2027 | ||
2028 | return TRUE; | |
2029 | ||
2030 | alloc_error: | |
2e8488b4 | 2031 | report("Allocation failure"); |
b801d8b2 JF |
2032 | |
2033 | end: | |
be04d936 | 2034 | view->ops->read(view, NULL); |
b801d8b2 JF |
2035 | end_update(view); |
2036 | return FALSE; | |
2037 | } | |
2038 | ||
0a0d8910 | 2039 | static struct line * |
e314c36d | 2040 | add_line_data(struct view *view, void *data, enum line_type type) |
0a0d8910 | 2041 | { |
e314c36d | 2042 | struct line *line = &view->line[view->lines++]; |
0a0d8910 | 2043 | |
e314c36d | 2044 | memset(line, 0, sizeof(*line)); |
0a0d8910 | 2045 | line->type = type; |
e314c36d | 2046 | line->data = data; |
0a0d8910 JF |
2047 | |
2048 | return line; | |
2049 | } | |
2050 | ||
e314c36d JF |
2051 | static struct line * |
2052 | add_line_text(struct view *view, char *data, enum line_type type) | |
2053 | { | |
2054 | if (data) | |
2055 | data = strdup(data); | |
2056 | ||
2057 | return data ? add_line_data(view, data, type) : NULL; | |
2058 | } | |
2059 | ||
79d445ca | 2060 | |
e10154d5 JF |
2061 | /* |
2062 | * View opening | |
2063 | */ | |
2064 | ||
49f2b43f JF |
2065 | enum open_flags { |
2066 | OPEN_DEFAULT = 0, /* Use default view switching. */ | |
2067 | OPEN_SPLIT = 1, /* Split current view. */ | |
2068 | OPEN_BACKGROUNDED = 2, /* Backgrounded. */ | |
2069 | OPEN_RELOAD = 4, /* Reload view even if it is the current. */ | |
2070 | }; | |
2071 | ||
6b161b31 | 2072 | static void |
49f2b43f | 2073 | open_view(struct view *prev, enum request request, enum open_flags flags) |
b801d8b2 | 2074 | { |
49f2b43f JF |
2075 | bool backgrounded = !!(flags & OPEN_BACKGROUNDED); |
2076 | bool split = !!(flags & OPEN_SPLIT); | |
2077 | bool reload = !!(flags & OPEN_RELOAD); | |
a28bcc22 | 2078 | struct view *view = VIEW(request); |
9f41488f | 2079 | int nviews = displayed_views(); |
6e950a52 | 2080 | struct view *base_view = display[0]; |
b801d8b2 | 2081 | |
49f2b43f | 2082 | if (view == prev && nviews == 1 && !reload) { |
6b161b31 JF |
2083 | report("Already in %s view", view->name); |
2084 | return; | |
2085 | } | |
b801d8b2 | 2086 | |
f098944b JF |
2087 | if (view->ops->open) { |
2088 | if (!view->ops->open(view)) { | |
2089 | report("Failed to load %s view", view->name); | |
2090 | return; | |
2091 | } | |
2509b112 JF |
2092 | |
2093 | } else if ((reload || strcmp(view->vid, view->id)) && | |
2094 | !begin_update(view)) { | |
6b161b31 JF |
2095 | report("Failed to load %s view", view->name); |
2096 | return; | |
2097 | } | |
a28bcc22 | 2098 | |
6b161b31 | 2099 | if (split) { |
8d741c06 | 2100 | display[1] = view; |
6b161b31 | 2101 | if (!backgrounded) |
8d741c06 | 2102 | current_view = 1; |
6b161b31 JF |
2103 | } else { |
2104 | /* Maximize the current view. */ | |
2105 | memset(display, 0, sizeof(display)); | |
2106 | current_view = 0; | |
2107 | display[current_view] = view; | |
a28bcc22 | 2108 | } |
b801d8b2 | 2109 | |
6e950a52 JF |
2110 | /* Resize the view when switching between split- and full-screen, |
2111 | * or when switching between two different full-screen views. */ | |
2112 | if (nviews != displayed_views() || | |
2113 | (nviews == 1 && base_view != display[0])) | |
a006db63 | 2114 | resize_display(); |
b801d8b2 | 2115 | |
a8891802 | 2116 | if (split && prev->lineno - prev->offset >= prev->height) { |
03a93dbb | 2117 | /* Take the title line into account. */ |
eb98559e | 2118 | int lines = prev->lineno - prev->offset - prev->height + 1; |
03a93dbb JF |
2119 | |
2120 | /* Scroll the view that was split if the current line is | |
2121 | * outside the new limited view. */ | |
8c317212 | 2122 | do_scroll_view(prev, lines); |
03a93dbb JF |
2123 | } |
2124 | ||
6b161b31 | 2125 | if (prev && view != prev) { |
9b995f0c | 2126 | if (split && !backgrounded) { |
f0b3ab80 JF |
2127 | /* "Blur" the previous view. */ |
2128 | update_view_title(prev); | |
9f396969 | 2129 | } |
f0b3ab80 | 2130 | |
f6da0b66 | 2131 | view->parent = prev; |
b801d8b2 JF |
2132 | } |
2133 | ||
9f396969 | 2134 | if (view->pipe && view->lines == 0) { |
03a93dbb JF |
2135 | /* Clear the old view and let the incremental updating refill |
2136 | * the screen. */ | |
2137 | wclear(view->win); | |
f97f4012 | 2138 | report(""); |
03a93dbb JF |
2139 | } else { |
2140 | redraw_view(view); | |
24b5b3e0 | 2141 | report(""); |
03a93dbb | 2142 | } |
6706b2ba JF |
2143 | |
2144 | /* If the view is backgrounded the above calls to report() | |
2145 | * won't redraw the view title. */ | |
2146 | if (backgrounded) | |
2147 | update_view_title(view); | |
b801d8b2 JF |
2148 | } |
2149 | ||
0cea0d43 | 2150 | static void |
d24ef76c JF |
2151 | open_external_viewer(const char *cmd) |
2152 | { | |
2153 | def_prog_mode(); /* save current tty modes */ | |
2154 | endwin(); /* restore original tty modes */ | |
2155 | system(cmd); | |
2156 | fprintf(stderr, "Press Enter to continue"); | |
2157 | getc(stdin); | |
2158 | reset_prog_mode(); | |
2159 | redraw_display(); | |
2160 | } | |
2161 | ||
2162 | static void | |
b5c18d9d JF |
2163 | open_mergetool(const char *file) |
2164 | { | |
2165 | char cmd[SIZEOF_STR]; | |
2166 | char file_sq[SIZEOF_STR]; | |
2167 | ||
2168 | if (sq_quote(file_sq, 0, file) < sizeof(file_sq) && | |
2169 | string_format(cmd, "git mergetool %s", file_sq)) { | |
2170 | open_external_viewer(cmd); | |
2171 | } | |
2172 | } | |
2173 | ||
2174 | static void | |
d24ef76c | 2175 | open_editor(bool from_root, const char *file) |
0cea0d43 JF |
2176 | { |
2177 | char cmd[SIZEOF_STR]; | |
2178 | char file_sq[SIZEOF_STR]; | |
2179 | char *editor; | |
7d31b059 | 2180 | char *prefix = from_root ? opt_cdup : ""; |
0cea0d43 JF |
2181 | |
2182 | editor = getenv("GIT_EDITOR"); | |
2183 | if (!editor && *opt_editor) | |
2184 | editor = opt_editor; | |
2185 | if (!editor) | |
2186 | editor = getenv("VISUAL"); | |
2187 | if (!editor) | |
2188 | editor = getenv("EDITOR"); | |
2189 | if (!editor) | |
2190 | editor = "vi"; | |
2191 | ||
2192 | if (sq_quote(file_sq, 0, file) < sizeof(file_sq) && | |
7d31b059 | 2193 | string_format(cmd, "%s %s%s", editor, prefix, file_sq)) { |
d24ef76c | 2194 | open_external_viewer(cmd); |
0cea0d43 JF |
2195 | } |
2196 | } | |
b801d8b2 | 2197 | |
6b161b31 JF |
2198 | /* |
2199 | * User request switch noodle | |
2200 | */ | |
2201 | ||
b801d8b2 | 2202 | static int |
6b161b31 | 2203 | view_driver(struct view *view, enum request request) |
b801d8b2 | 2204 | { |
b801d8b2 JF |
2205 | int i; |
2206 | ||
1bace428 JF |
2207 | if (request == REQ_NONE) { |
2208 | doupdate(); | |
2209 | return TRUE; | |
2210 | } | |
2211 | ||
586c423d JF |
2212 | if (view && view->lines) { |
2213 | request = view->ops->request(view, request, &view->line[view->lineno]); | |
2214 | if (request == REQ_NONE) | |
2215 | return TRUE; | |
2216 | } | |
2217 | ||
b801d8b2 | 2218 | switch (request) { |
4a2909a7 JF |
2219 | case REQ_MOVE_UP: |
2220 | case REQ_MOVE_DOWN: | |
2221 | case REQ_MOVE_PAGE_UP: | |
2222 | case REQ_MOVE_PAGE_DOWN: | |
2223 | case REQ_MOVE_FIRST_LINE: | |
2224 | case REQ_MOVE_LAST_LINE: | |
8522ecc7 | 2225 | move_view(view, request); |
fd85fef1 JF |
2226 | break; |
2227 | ||
4a2909a7 JF |
2228 | case REQ_SCROLL_LINE_DOWN: |
2229 | case REQ_SCROLL_LINE_UP: | |
2230 | case REQ_SCROLL_PAGE_DOWN: | |
2231 | case REQ_SCROLL_PAGE_UP: | |
a28bcc22 | 2232 | scroll_view(view, request); |
b801d8b2 JF |
2233 | break; |
2234 | ||
e733ee54 JF |
2235 | case REQ_VIEW_BLOB: |
2236 | if (!ref_blob[0]) { | |
550cd4b5 JF |
2237 | report("No file chosen, press %s to open tree view", |
2238 | get_key(REQ_VIEW_TREE)); | |
e733ee54 JF |
2239 | break; |
2240 | } | |
5c4358d1 JF |
2241 | open_view(view, request, OPEN_DEFAULT); |
2242 | break; | |
2243 | ||
2244 | case REQ_VIEW_PAGER: | |
b64c5b75 | 2245 | if (!opt_pipe && !VIEW(REQ_VIEW_PAGER)->lines) { |
5c4358d1 JF |
2246 | report("No pager content, press %s to run command from prompt", |
2247 | get_key(REQ_PROMPT)); | |
2248 | break; | |
2249 | } | |
2250 | open_view(view, request, OPEN_DEFAULT); | |
2251 | break; | |
2252 | ||
3e634113 JF |
2253 | case REQ_VIEW_STAGE: |
2254 | if (!VIEW(REQ_VIEW_STAGE)->lines) { | |
2255 | report("No stage content, press %s to open the status view and choose file", | |
2256 | get_key(REQ_VIEW_STATUS)); | |
2257 | break; | |
2258 | } | |
2259 | open_view(view, request, OPEN_DEFAULT); | |
2260 | break; | |
2261 | ||
c38c64bb JF |
2262 | case REQ_VIEW_STATUS: |
2263 | if (opt_is_inside_work_tree == FALSE) { | |
2264 | report("The status view requires a working tree"); | |
2265 | break; | |
2266 | } | |
2267 | open_view(view, request, OPEN_DEFAULT); | |
2268 | break; | |
2269 | ||
4a2909a7 | 2270 | case REQ_VIEW_MAIN: |
4a2909a7 | 2271 | case REQ_VIEW_DIFF: |
2e8488b4 | 2272 | case REQ_VIEW_LOG: |
e733ee54 | 2273 | case REQ_VIEW_TREE: |
2e8488b4 | 2274 | case REQ_VIEW_HELP: |
49f2b43f | 2275 | open_view(view, request, OPEN_DEFAULT); |
b801d8b2 JF |
2276 | break; |
2277 | ||
b3a54cba JF |
2278 | case REQ_NEXT: |
2279 | case REQ_PREVIOUS: | |
2280 | request = request == REQ_NEXT ? REQ_MOVE_DOWN : REQ_MOVE_UP; | |
2281 | ||
e733ee54 JF |
2282 | if ((view == VIEW(REQ_VIEW_DIFF) && |
2283 | view->parent == VIEW(REQ_VIEW_MAIN)) || | |
3e634113 | 2284 | (view == VIEW(REQ_VIEW_STAGE) && |
b9b5b4cd | 2285 | view->parent == VIEW(REQ_VIEW_STATUS)) || |
e733ee54 JF |
2286 | (view == VIEW(REQ_VIEW_BLOB) && |
2287 | view->parent == VIEW(REQ_VIEW_TREE))) { | |
03400136 WF |
2288 | int line; |
2289 | ||
b3a54cba | 2290 | view = view->parent; |
03400136 | 2291 | line = view->lineno; |
8522ecc7 JF |
2292 | move_view(view, request); |
2293 | if (view_is_displayed(view)) | |
f0b3ab80 | 2294 | update_view_title(view); |
328d27f7 JF |
2295 | if (line != view->lineno) |
2296 | view->ops->request(view, REQ_ENTER, | |
2297 | &view->line[view->lineno]); | |
2298 | ||
b3a54cba | 2299 | } else { |
8522ecc7 | 2300 | move_view(view, request); |
b3a54cba | 2301 | } |
328d27f7 | 2302 | break; |
6b161b31 | 2303 | |
03a93dbb JF |
2304 | case REQ_VIEW_NEXT: |
2305 | { | |
9f41488f | 2306 | int nviews = displayed_views(); |
03a93dbb JF |
2307 | int next_view = (current_view + 1) % nviews; |
2308 | ||
2309 | if (next_view == current_view) { | |
2310 | report("Only one view is displayed"); | |
2311 | break; | |
2312 | } | |
2313 | ||
2314 | current_view = next_view; | |
2315 | /* Blur out the title of the previous view. */ | |
2316 | update_view_title(view); | |
6734f6b9 | 2317 | report(""); |
03a93dbb JF |
2318 | break; |
2319 | } | |
acaef3b3 JF |
2320 | case REQ_REFRESH: |
2321 | report("Refreshing is not yet supported for the %s view", view->name); | |
2322 | break; | |
2323 | ||
24b5b3e0 | 2324 | case REQ_TOGGLE_LINENO: |
b76c2afc | 2325 | opt_line_number = !opt_line_number; |
20bb5e18 | 2326 | redraw_display(); |
b801d8b2 JF |
2327 | break; |
2328 | ||
54efb62b JF |
2329 | case REQ_TOGGLE_REV_GRAPH: |
2330 | opt_rev_graph = !opt_rev_graph; | |
2331 | redraw_display(); | |
2332 | break; | |
2333 | ||
03a93dbb | 2334 | case REQ_PROMPT: |
8855ada4 | 2335 | /* Always reload^Wrerun commands from the prompt. */ |
49f2b43f | 2336 | open_view(view, opt_request, OPEN_RELOAD); |
03a93dbb JF |
2337 | break; |
2338 | ||
4af34daa JF |
2339 | case REQ_SEARCH: |
2340 | case REQ_SEARCH_BACK: | |
c02d8fce | 2341 | search_view(view, request); |
4af34daa JF |
2342 | break; |
2343 | ||
2344 | case REQ_FIND_NEXT: | |
2345 | case REQ_FIND_PREV: | |
2346 | find_next(view, request); | |
2347 | break; | |
2348 | ||
4a2909a7 | 2349 | case REQ_STOP_LOADING: |
59a45d3a JF |
2350 | for (i = 0; i < ARRAY_SIZE(views); i++) { |
2351 | view = &views[i]; | |
2e8488b4 | 2352 | if (view->pipe) |
6a7bb912 | 2353 | report("Stopped loading the %s view", view->name), |
03a93dbb JF |
2354 | end_update(view); |
2355 | } | |
b801d8b2 JF |
2356 | break; |
2357 | ||
4a2909a7 | 2358 | case REQ_SHOW_VERSION: |
ec31d0d0 | 2359 | report("tig-%s (built %s)", TIG_VERSION, __DATE__); |
b801d8b2 JF |
2360 | return TRUE; |
2361 | ||
fac7db6c JF |
2362 | case REQ_SCREEN_RESIZE: |
2363 | resize_display(); | |
2364 | /* Fall-through */ | |
4a2909a7 | 2365 | case REQ_SCREEN_REDRAW: |
20bb5e18 | 2366 | redraw_display(); |
4a2909a7 JF |
2367 | break; |
2368 | ||
0cea0d43 JF |
2369 | case REQ_EDIT: |
2370 | report("Nothing to edit"); | |
531c6c69 JF |
2371 | break; |
2372 | ||
226da94b JF |
2373 | case REQ_CHERRY_PICK: |
2374 | report("Nothing to cherry-pick"); | |
2375 | break; | |
2376 | ||
531c6c69 JF |
2377 | case REQ_ENTER: |
2378 | report("Nothing to enter"); | |
2379 | break; | |
ca1d71ea | 2380 | |
b801d8b2 | 2381 | |
4f9b667a | 2382 | case REQ_VIEW_CLOSE: |
2fcf5401 JF |
2383 | /* XXX: Mark closed views by letting view->parent point to the |
2384 | * view itself. Parents to closed view should never be | |
2385 | * followed. */ | |
2386 | if (view->parent && | |
2387 | view->parent->parent != view->parent) { | |
4f9b667a JF |
2388 | memset(display, 0, sizeof(display)); |
2389 | current_view = 0; | |
f6da0b66 | 2390 | display[current_view] = view->parent; |
2fcf5401 | 2391 | view->parent = view; |
4f9b667a JF |
2392 | resize_display(); |
2393 | redraw_display(); | |
2394 | break; | |
2395 | } | |
2396 | /* Fall-through */ | |
b801d8b2 JF |
2397 | case REQ_QUIT: |
2398 | return FALSE; | |
2399 | ||
2400 | default: | |
2e8488b4 | 2401 | /* An unknown key will show most commonly used commands. */ |
468876c9 | 2402 | report("Unknown key, press 'h' for help"); |
b801d8b2 JF |
2403 | return TRUE; |
2404 | } | |
2405 | ||
2406 | return TRUE; | |
2407 | } | |
2408 | ||
2409 | ||
2410 | /* | |
ff26aa29 | 2411 | * Pager backend |
b801d8b2 JF |
2412 | */ |
2413 | ||
6b161b31 | 2414 | static bool |
5dcf8064 | 2415 | pager_draw(struct view *view, struct line *line, unsigned int lineno, bool selected) |
b801d8b2 | 2416 | { |
fe7233c3 JF |
2417 | char *text = line->data; |
2418 | enum line_type type = line->type; | |
2419 | int textlen = strlen(text); | |
78c70acd | 2420 | int attr; |
b801d8b2 | 2421 | |
6706b2ba JF |
2422 | wmove(view->win, lineno, 0); |
2423 | ||
5dcf8064 | 2424 | if (selected) { |
78c70acd | 2425 | type = LINE_CURSOR; |
6706b2ba | 2426 | wchgat(view->win, -1, 0, type, NULL); |
fd85fef1 JF |
2427 | } |
2428 | ||
78c70acd | 2429 | attr = get_line_attr(type); |
b801d8b2 | 2430 | wattrset(view->win, attr); |
b76c2afc | 2431 | |
6706b2ba JF |
2432 | if (opt_line_number || opt_tab_size < TABSIZE) { |
2433 | static char spaces[] = " "; | |
2434 | int col_offset = 0, col = 0; | |
2435 | ||
2436 | if (opt_line_number) { | |
2437 | unsigned long real_lineno = view->offset + lineno + 1; | |
82e78006 | 2438 | |
6706b2ba JF |
2439 | if (real_lineno == 1 || |
2440 | (real_lineno % opt_num_interval) == 0) { | |
2441 | wprintw(view->win, "%.*d", view->digits, real_lineno); | |
8855ada4 | 2442 | |
6706b2ba JF |
2443 | } else { |
2444 | waddnstr(view->win, spaces, | |
2445 | MIN(view->digits, STRING_SIZE(spaces))); | |
2446 | } | |
2447 | waddstr(view->win, ": "); | |
2448 | col_offset = view->digits + 2; | |
2449 | } | |
8855ada4 | 2450 | |
fe7233c3 | 2451 | while (text && col_offset + col < view->width) { |
6706b2ba | 2452 | int cols_max = view->width - col_offset - col; |
fe7233c3 | 2453 | char *pos = text; |
6706b2ba | 2454 | int cols; |
4c6fabc2 | 2455 | |
fe7233c3 JF |
2456 | if (*text == '\t') { |
2457 | text++; | |
6706b2ba | 2458 | assert(sizeof(spaces) > TABSIZE); |
fe7233c3 | 2459 | pos = spaces; |
6706b2ba | 2460 | cols = opt_tab_size - (col % opt_tab_size); |
82e78006 | 2461 | |
b76c2afc | 2462 | } else { |
fe7233c3 JF |
2463 | text = strchr(text, '\t'); |
2464 | cols = line ? text - pos : strlen(pos); | |
b76c2afc | 2465 | } |
6706b2ba | 2466 | |
fe7233c3 | 2467 | waddnstr(view->win, pos, MIN(cols, cols_max)); |
6706b2ba | 2468 | col += cols; |
b76c2afc | 2469 | } |
b76c2afc JF |
2470 | |
2471 | } else { | |
6706b2ba | 2472 | int col = 0, pos = 0; |
b801d8b2 | 2473 | |
fe7233c3 JF |
2474 | for (; pos < textlen && col < view->width; pos++, col++) |
2475 | if (text[pos] == '\t') | |
6706b2ba JF |
2476 | col += TABSIZE - (col % TABSIZE) - 1; |
2477 | ||
fe7233c3 | 2478 | waddnstr(view->win, text, pos); |
6706b2ba | 2479 | } |
2e8488b4 | 2480 | |
b801d8b2 JF |
2481 | return TRUE; |
2482 | } | |
2483 | ||
dc23c0e3 | 2484 | static bool |
d65ced0d | 2485 | add_describe_ref(char *buf, size_t *bufpos, char *commit_id, const char *sep) |
dc23c0e3 | 2486 | { |
17482b11 | 2487 | char refbuf[SIZEOF_STR]; |
dc23c0e3 JF |
2488 | char *ref = NULL; |
2489 | FILE *pipe; | |
2490 | ||
d3c345f7 | 2491 | if (!string_format(refbuf, "git describe %s 2>/dev/null", commit_id)) |
dc23c0e3 JF |
2492 | return TRUE; |
2493 | ||
2494 | pipe = popen(refbuf, "r"); | |
2495 | if (!pipe) | |
2496 | return TRUE; | |
2497 | ||
2498 | if ((ref = fgets(refbuf, sizeof(refbuf), pipe))) | |
2499 | ref = chomp_string(ref); | |
2500 | pclose(pipe); | |
2501 | ||
2502 | if (!ref || !*ref) | |
2503 | return TRUE; | |
2504 | ||
2505 | /* This is the only fatal call, since it can "corrupt" the buffer. */ | |
17482b11 | 2506 | if (!string_nformat(buf, SIZEOF_STR, bufpos, "%s%s", sep, ref)) |
dc23c0e3 JF |
2507 | return FALSE; |
2508 | ||
2509 | return TRUE; | |
2510 | } | |
2511 | ||
7b99a34c JF |
2512 | static void |
2513 | add_pager_refs(struct view *view, struct line *line) | |
2514 | { | |
17482b11 | 2515 | char buf[SIZEOF_STR]; |
c9ca1ec3 | 2516 | char *commit_id = line->data + STRING_SIZE("commit "); |
7b99a34c | 2517 | struct ref **refs; |
d65ced0d | 2518 | size_t bufpos = 0, refpos = 0; |
7b99a34c | 2519 | const char *sep = "Refs: "; |
dc23c0e3 | 2520 | bool is_tag = FALSE; |
7b99a34c JF |
2521 | |
2522 | assert(line->type == LINE_COMMIT); | |
2523 | ||
c9ca1ec3 | 2524 | refs = get_refs(commit_id); |
dc23c0e3 JF |
2525 | if (!refs) { |
2526 | if (view == VIEW(REQ_VIEW_DIFF)) | |
2527 | goto try_add_describe_ref; | |
7b99a34c | 2528 | return; |
dc23c0e3 | 2529 | } |
7b99a34c JF |
2530 | |
2531 | do { | |
cc2d1364 | 2532 | struct ref *ref = refs[refpos]; |
e15ec88e JF |
2533 | char *fmt = ref->tag ? "%s[%s]" : |
2534 | ref->remote ? "%s<%s>" : "%s%s"; | |
7b99a34c | 2535 | |
cc2d1364 JF |
2536 | if (!string_format_from(buf, &bufpos, fmt, sep, ref->name)) |
2537 | return; | |
7b99a34c | 2538 | sep = ", "; |
dc23c0e3 JF |
2539 | if (ref->tag) |
2540 | is_tag = TRUE; | |
7b99a34c JF |
2541 | } while (refs[refpos++]->next); |
2542 | ||
dc23c0e3 JF |
2543 | if (!is_tag && view == VIEW(REQ_VIEW_DIFF)) { |
2544 | try_add_describe_ref: | |
d42c8a35 | 2545 | /* Add <tag>-g<commit_id> "fake" reference. */ |
dc23c0e3 JF |
2546 | if (!add_describe_ref(buf, &bufpos, commit_id, sep)) |
2547 | return; | |
2548 | } | |
2549 | ||
d42c8a35 JF |
2550 | if (bufpos == 0) |
2551 | return; | |
2552 | ||
cc2d1364 | 2553 | if (!realloc_lines(view, view->line_size + 1)) |
7b99a34c JF |
2554 | return; |
2555 | ||
0a0d8910 | 2556 | add_line_text(view, buf, LINE_PP_REFS); |
7b99a34c JF |
2557 | } |
2558 | ||
6b161b31 | 2559 | static bool |
701e4f5d | 2560 | pager_read(struct view *view, char *data) |
22f66b0a | 2561 | { |
0a0d8910 | 2562 | struct line *line; |
22f66b0a | 2563 | |
be04d936 JF |
2564 | if (!data) |
2565 | return TRUE; | |
2566 | ||
0a0d8910 JF |
2567 | line = add_line_text(view, data, get_line_type(data)); |
2568 | if (!line) | |
7b99a34c | 2569 | return FALSE; |
fe7233c3 | 2570 | |
7b99a34c JF |
2571 | if (line->type == LINE_COMMIT && |
2572 | (view == VIEW(REQ_VIEW_DIFF) || | |
2573 | view == VIEW(REQ_VIEW_LOG))) | |
2574 | add_pager_refs(view, line); | |
2575 | ||
22f66b0a JF |
2576 | return TRUE; |
2577 | } | |
2578 | ||
586c423d JF |
2579 | static enum request |
2580 | pager_request(struct view *view, enum request request, struct line *line) | |
6b161b31 | 2581 | { |
91e8e277 | 2582 | int split = 0; |
6b161b31 | 2583 | |
586c423d JF |
2584 | if (request != REQ_ENTER) |
2585 | return request; | |
2586 | ||
9fbbd28f JF |
2587 | if (line->type == LINE_COMMIT && |
2588 | (view == VIEW(REQ_VIEW_LOG) || | |
2589 | view == VIEW(REQ_VIEW_PAGER))) { | |
91e8e277 JF |
2590 | open_view(view, REQ_VIEW_DIFF, OPEN_SPLIT); |
2591 | split = 1; | |
67e48ac5 JF |
2592 | } |
2593 | ||
91e8e277 JF |
2594 | /* Always scroll the view even if it was split. That way |
2595 | * you can use Enter to scroll through the log view and | |
2596 | * split open each commit diff. */ | |
2597 | scroll_view(view, REQ_SCROLL_LINE_DOWN); | |
2598 | ||
2599 | /* FIXME: A minor workaround. Scrolling the view will call report("") | |
9d82d824 JF |
2600 | * but if we are scrolling a non-current view this won't properly |
2601 | * update the view title. */ | |
91e8e277 JF |
2602 | if (split) |
2603 | update_view_title(view); | |
6b161b31 | 2604 | |
586c423d | 2605 | return REQ_NONE; |
6b161b31 JF |
2606 | } |
2607 | ||
4af34daa JF |
2608 | static bool |
2609 | pager_grep(struct view *view, struct line *line) | |
2610 | { | |
2611 | regmatch_t pmatch; | |
2612 | char *text = line->data; | |
2613 | ||
2614 | if (!*text) | |
2615 | return FALSE; | |
2616 | ||
b77b2cb8 | 2617 | if (regexec(view->regex, text, 1, &pmatch, 0) == REG_NOMATCH) |
4af34daa JF |
2618 | return FALSE; |
2619 | ||
2620 | return TRUE; | |
2621 | } | |
2622 | ||
d720de4b JF |
2623 | static void |
2624 | pager_select(struct view *view, struct line *line) | |
2625 | { | |
2626 | if (line->type == LINE_COMMIT) { | |
035ba11f | 2627 | char *text = line->data + STRING_SIZE("commit "); |
d720de4b | 2628 | |
035ba11f | 2629 | if (view != VIEW(REQ_VIEW_PAGER)) |
2463b4ea JF |
2630 | string_copy_rev(view->ref, text); |
2631 | string_copy_rev(ref_commit, text); | |
d720de4b JF |
2632 | } |
2633 | } | |
2634 | ||
6b161b31 | 2635 | static struct view_ops pager_ops = { |
6734f6b9 | 2636 | "line", |
f098944b | 2637 | NULL, |
6b161b31 | 2638 | pager_read, |
f098944b | 2639 | pager_draw, |
586c423d | 2640 | pager_request, |
f098944b JF |
2641 | pager_grep, |
2642 | pager_select, | |
2643 | }; | |
2644 | ||
2645 | ||
2646 | /* | |
2647 | * Help backend | |
2648 | */ | |
2649 | ||
2650 | static bool | |
2651 | help_open(struct view *view) | |
2652 | { | |
2653 | char buf[BUFSIZ]; | |
2654 | int lines = ARRAY_SIZE(req_info) + 2; | |
2655 | int i; | |
2656 | ||
2657 | if (view->lines > 0) | |
2658 | return TRUE; | |
2659 | ||
2660 | for (i = 0; i < ARRAY_SIZE(req_info); i++) | |
2661 | if (!req_info[i].request) | |
2662 | lines++; | |
2663 | ||
2664 | view->line = calloc(lines, sizeof(*view->line)); | |
2665 | if (!view->line) | |
2666 | return FALSE; | |
2667 | ||
2668 | add_line_text(view, "Quick reference for tig keybindings:", LINE_DEFAULT); | |
2669 | ||
2670 | for (i = 0; i < ARRAY_SIZE(req_info); i++) { | |
2671 | char *key; | |
2672 | ||
0e4360b6 JF |
2673 | if (req_info[i].request == REQ_NONE) |
2674 | continue; | |
2675 | ||
f098944b JF |
2676 | if (!req_info[i].request) { |
2677 | add_line_text(view, "", LINE_DEFAULT); | |
2678 | add_line_text(view, req_info[i].help, LINE_DEFAULT); | |
2679 | continue; | |
2680 | } | |
2681 | ||
2682 | key = get_key(req_info[i].request); | |
0e4360b6 JF |
2683 | if (!*key) |
2684 | key = "(no key defined)"; | |
2685 | ||
f098944b JF |
2686 | if (!string_format(buf, " %-25s %s", key, req_info[i].help)) |
2687 | continue; | |
2688 | ||
2689 | add_line_text(view, buf, LINE_DEFAULT); | |
2690 | } | |
2691 | ||
2692 | return TRUE; | |
2693 | } | |
2694 | ||
2695 | static struct view_ops help_ops = { | |
2696 | "line", | |
2697 | help_open, | |
2698 | NULL, | |
2699 | pager_draw, | |
586c423d | 2700 | pager_request, |
4af34daa | 2701 | pager_grep, |
d720de4b | 2702 | pager_select, |
6b161b31 JF |
2703 | }; |
2704 | ||
80ce96ea | 2705 | |
ff26aa29 | 2706 | /* |
e733ee54 JF |
2707 | * Tree backend |
2708 | */ | |
2709 | ||
69efc854 JF |
2710 | struct tree_stack_entry { |
2711 | struct tree_stack_entry *prev; /* Entry below this in the stack */ | |
2712 | unsigned long lineno; /* Line number to restore */ | |
2713 | char *name; /* Position of name in opt_path */ | |
2714 | }; | |
2715 | ||
2716 | /* The top of the path stack. */ | |
2717 | static struct tree_stack_entry *tree_stack = NULL; | |
2718 | unsigned long tree_lineno = 0; | |
2719 | ||
2720 | static void | |
2721 | pop_tree_stack_entry(void) | |
2722 | { | |
2723 | struct tree_stack_entry *entry = tree_stack; | |
2724 | ||
2725 | tree_lineno = entry->lineno; | |
2726 | entry->name[0] = 0; | |
2727 | tree_stack = entry->prev; | |
2728 | free(entry); | |
2729 | } | |
2730 | ||
2731 | static void | |
2732 | push_tree_stack_entry(char *name, unsigned long lineno) | |
2733 | { | |
2734 | struct tree_stack_entry *entry = calloc(1, sizeof(*entry)); | |
2735 | size_t pathlen = strlen(opt_path); | |
2736 | ||
2737 | if (!entry) | |
2738 | return; | |
2739 | ||
2740 | entry->prev = tree_stack; | |
2741 | entry->name = opt_path + pathlen; | |
2742 | tree_stack = entry; | |
2743 | ||
2744 | if (!string_format_from(opt_path, &pathlen, "%s/", name)) { | |
2745 | pop_tree_stack_entry(); | |
2746 | return; | |
2747 | } | |
2748 | ||
2749 | /* Move the current line to the first tree entry. */ | |
2750 | tree_lineno = 1; | |
2751 | entry->lineno = lineno; | |
2752 | } | |
2753 | ||
4795d620 | 2754 | /* Parse output from git-ls-tree(1): |
e733ee54 JF |
2755 | * |
2756 | * 100644 blob fb0e31ea6cc679b7379631188190e975f5789c26 Makefile | |
2757 | * 100644 blob 5304ca4260aaddaee6498f9630e7d471b8591ea6 README | |
2758 | * 100644 blob f931e1d229c3e185caad4449bf5b66ed72462657 tig.c | |
2759 | * 100644 blob ed09fe897f3c7c9af90bcf80cae92558ea88ae38 web.conf | |
2760 | */ | |
2761 | ||
2762 | #define SIZEOF_TREE_ATTR \ | |
2763 | STRING_SIZE("100644 blob ed09fe897f3c7c9af90bcf80cae92558ea88ae38\t") | |
2764 | ||
2765 | #define TREE_UP_FORMAT "040000 tree %s\t.." | |
2766 | ||
2767 | static int | |
2768 | tree_compare_entry(enum line_type type1, char *name1, | |
2769 | enum line_type type2, char *name2) | |
2770 | { | |
2771 | if (type1 != type2) { | |
2772 | if (type1 == LINE_TREE_DIR) | |
2773 | return -1; | |
2774 | return 1; | |
2775 | } | |
2776 | ||
2777 | return strcmp(name1, name2); | |
2778 | } | |
2779 | ||
2780 | static bool | |
2781 | tree_read(struct view *view, char *text) | |
2782 | { | |
be04d936 | 2783 | size_t textlen = text ? strlen(text) : 0; |
e733ee54 JF |
2784 | char buf[SIZEOF_STR]; |
2785 | unsigned long pos; | |
2786 | enum line_type type; | |
f88a5319 | 2787 | bool first_read = view->lines == 0; |
e733ee54 JF |
2788 | |
2789 | if (textlen <= SIZEOF_TREE_ATTR) | |
2790 | return FALSE; | |
2791 | ||
2792 | type = text[STRING_SIZE("100644 ")] == 't' | |
2793 | ? LINE_TREE_DIR : LINE_TREE_FILE; | |
2794 | ||
f88a5319 | 2795 | if (first_read) { |
e733ee54 | 2796 | /* Add path info line */ |
0a0d8910 JF |
2797 | if (!string_format(buf, "Directory path /%s", opt_path) || |
2798 | !realloc_lines(view, view->line_size + 1) || | |
2799 | !add_line_text(view, buf, LINE_DEFAULT)) | |
e733ee54 JF |
2800 | return FALSE; |
2801 | ||
2802 | /* Insert "link" to parent directory. */ | |
0a0d8910 JF |
2803 | if (*opt_path) { |
2804 | if (!string_format(buf, TREE_UP_FORMAT, view->ref) || | |
2805 | !realloc_lines(view, view->line_size + 1) || | |
2806 | !add_line_text(view, buf, LINE_TREE_DIR)) | |
2807 | return FALSE; | |
2808 | } | |
e733ee54 JF |
2809 | } |
2810 | ||
2811 | /* Strip the path part ... */ | |
2812 | if (*opt_path) { | |
2813 | size_t pathlen = textlen - SIZEOF_TREE_ATTR; | |
2814 | size_t striplen = strlen(opt_path); | |
2815 | char *path = text + SIZEOF_TREE_ATTR; | |
2816 | ||
2817 | if (pathlen > striplen) | |
2818 | memmove(path, path + striplen, | |
2819 | pathlen - striplen + 1); | |
2820 | } | |
2821 | ||
2822 | /* Skip "Directory ..." and ".." line. */ | |
2823 | for (pos = 1 + !!*opt_path; pos < view->lines; pos++) { | |
2824 | struct line *line = &view->line[pos]; | |
2825 | char *path1 = ((char *) line->data) + SIZEOF_TREE_ATTR; | |
2826 | char *path2 = text + SIZEOF_TREE_ATTR; | |
2827 | int cmp = tree_compare_entry(line->type, path1, type, path2); | |
2828 | ||
2829 | if (cmp <= 0) | |
2830 | continue; | |
2831 | ||
2832 | text = strdup(text); | |
2833 | if (!text) | |
2834 | return FALSE; | |
2835 | ||
2836 | if (view->lines > pos) | |
2837 | memmove(&view->line[pos + 1], &view->line[pos], | |
2838 | (view->lines - pos) * sizeof(*line)); | |
2839 | ||
2840 | line = &view->line[pos]; | |
2841 | line->data = text; | |
2842 | line->type = type; | |
2843 | view->lines++; | |
2844 | return TRUE; | |
2845 | } | |
2846 | ||
0a0d8910 | 2847 | if (!add_line_text(view, text, type)) |
e733ee54 JF |
2848 | return FALSE; |
2849 | ||
69efc854 JF |
2850 | if (tree_lineno > view->lineno) { |
2851 | view->lineno = tree_lineno; | |
2852 | tree_lineno = 0; | |
2853 | } | |
f88a5319 | 2854 | |
e733ee54 JF |
2855 | return TRUE; |
2856 | } | |
2857 | ||
586c423d JF |
2858 | static enum request |
2859 | tree_request(struct view *view, enum request request, struct line *line) | |
e733ee54 | 2860 | { |
aac64c17 | 2861 | enum open_flags flags; |
586c423d JF |
2862 | |
2863 | if (request != REQ_ENTER) | |
2864 | return request; | |
e733ee54 | 2865 | |
69efc854 JF |
2866 | /* Cleanup the stack if the tree view is at a different tree. */ |
2867 | while (!*opt_path && tree_stack) | |
2868 | pop_tree_stack_entry(); | |
2869 | ||
e733ee54 JF |
2870 | switch (line->type) { |
2871 | case LINE_TREE_DIR: | |
2872 | /* Depending on whether it is a subdir or parent (updir?) link | |
2873 | * mangle the path buffer. */ | |
2874 | if (line == &view->line[1] && *opt_path) { | |
69efc854 | 2875 | pop_tree_stack_entry(); |
e733ee54 JF |
2876 | |
2877 | } else { | |
4795d620 | 2878 | char *data = line->data; |
e733ee54 JF |
2879 | char *basename = data + SIZEOF_TREE_ATTR; |
2880 | ||
69efc854 | 2881 | push_tree_stack_entry(basename, view->lineno); |
e733ee54 JF |
2882 | } |
2883 | ||
2884 | /* Trees and subtrees share the same ID, so they are not not | |
2885 | * unique like blobs. */ | |
aac64c17 | 2886 | flags = OPEN_RELOAD; |
e733ee54 JF |
2887 | request = REQ_VIEW_TREE; |
2888 | break; | |
2889 | ||
2890 | case LINE_TREE_FILE: | |
aac64c17 | 2891 | flags = display[0] == view ? OPEN_SPLIT : OPEN_DEFAULT; |
e733ee54 JF |
2892 | request = REQ_VIEW_BLOB; |
2893 | break; | |
2894 | ||
2895 | default: | |
2896 | return TRUE; | |
2897 | } | |
2898 | ||
2899 | open_view(view, request, flags); | |
69efc854 JF |
2900 | if (request == REQ_VIEW_TREE) { |
2901 | view->lineno = tree_lineno; | |
2902 | } | |
e733ee54 | 2903 | |
586c423d | 2904 | return REQ_NONE; |
e733ee54 JF |
2905 | } |
2906 | ||
d720de4b JF |
2907 | static void |
2908 | tree_select(struct view *view, struct line *line) | |
2909 | { | |
035ba11f | 2910 | char *text = line->data + STRING_SIZE("100644 blob "); |
73c76ef5 JF |
2911 | |
2912 | if (line->type == LINE_TREE_FILE) { | |
2463b4ea | 2913 | string_copy_rev(ref_blob, text); |
d720de4b | 2914 | |
ebbaf4fe JF |
2915 | } else if (line->type != LINE_TREE_DIR) { |
2916 | return; | |
d720de4b | 2917 | } |
ebbaf4fe | 2918 | |
2463b4ea | 2919 | string_copy_rev(view->ref, text); |
d720de4b JF |
2920 | } |
2921 | ||
e733ee54 JF |
2922 | static struct view_ops tree_ops = { |
2923 | "file", | |
f098944b | 2924 | NULL, |
e733ee54 | 2925 | tree_read, |
f098944b | 2926 | pager_draw, |
586c423d | 2927 | tree_request, |
e733ee54 | 2928 | pager_grep, |
d720de4b | 2929 | tree_select, |
e733ee54 JF |
2930 | }; |
2931 | ||
2932 | static bool | |
2933 | blob_read(struct view *view, char *line) | |
2934 | { | |
c115e7ac | 2935 | return add_line_text(view, line, LINE_DEFAULT) != NULL; |
e733ee54 JF |
2936 | } |
2937 | ||
2938 | static struct view_ops blob_ops = { | |
2939 | "line", | |
f098944b | 2940 | NULL, |
e733ee54 | 2941 | blob_read, |
f098944b | 2942 | pager_draw, |
586c423d | 2943 | pager_request, |
e733ee54 | 2944 | pager_grep, |
d720de4b | 2945 | pager_select, |
e733ee54 JF |
2946 | }; |
2947 | ||
2948 | ||
2949 | /* | |
173d76ea JF |
2950 | * Status backend |
2951 | */ | |
2952 | ||
2953 | struct status { | |
2954 | char status; | |
2955 | struct { | |
2956 | mode_t mode; | |
2957 | char rev[SIZEOF_REV]; | |
2958 | } old; | |
2959 | struct { | |
2960 | mode_t mode; | |
2961 | char rev[SIZEOF_REV]; | |
2962 | } new; | |
2963 | char name[SIZEOF_STR]; | |
2964 | }; | |
2965 | ||
b33611d8 JF |
2966 | static struct status stage_status; |
2967 | static enum line_type stage_line_type; | |
2968 | ||
173d76ea JF |
2969 | /* Get fields from the diff line: |
2970 | * :100644 100644 06a5d6ae9eca55be2e0e585a152e6b1336f2b20e 0000000000000000000000000000000000000000 M | |
2971 | */ | |
2972 | static inline bool | |
2973 | status_get_diff(struct status *file, char *buf, size_t bufsize) | |
2974 | { | |
2975 | char *old_mode = buf + 1; | |
2976 | char *new_mode = buf + 8; | |
2977 | char *old_rev = buf + 15; | |
2978 | char *new_rev = buf + 56; | |
2979 | char *status = buf + 97; | |
2980 | ||
2981 | if (bufsize != 99 || | |
2982 | old_mode[-1] != ':' || | |
2983 | new_mode[-1] != ' ' || | |
2984 | old_rev[-1] != ' ' || | |
2985 | new_rev[-1] != ' ' || | |
2986 | status[-1] != ' ') | |
2987 | return FALSE; | |
2988 | ||
2989 | file->status = *status; | |
2990 | ||
2991 | string_copy_rev(file->old.rev, old_rev); | |
2992 | string_copy_rev(file->new.rev, new_rev); | |
2993 | ||
2994 | file->old.mode = strtoul(old_mode, NULL, 8); | |
2995 | file->new.mode = strtoul(new_mode, NULL, 8); | |
2996 | ||
2997 | file->name[0] = 0; | |
2998 | ||
2999 | return TRUE; | |
3000 | } | |
3001 | ||
3002 | static bool | |
3003 | status_run(struct view *view, const char cmd[], bool diff, enum line_type type) | |
3004 | { | |
3005 | struct status *file = NULL; | |
b5c18d9d | 3006 | struct status *unmerged = NULL; |
173d76ea JF |
3007 | char buf[SIZEOF_STR * 4]; |
3008 | size_t bufsize = 0; | |
3009 | FILE *pipe; | |
3010 | ||
3011 | pipe = popen(cmd, "r"); | |
3012 | if (!pipe) | |
3013 | return FALSE; | |
3014 | ||
3015 | add_line_data(view, NULL, type); | |
3016 | ||
3017 | while (!feof(pipe) && !ferror(pipe)) { | |
3018 | char *sep; | |
3019 | size_t readsize; | |
3020 | ||
3021 | readsize = fread(buf + bufsize, 1, sizeof(buf) - bufsize, pipe); | |
3022 | if (!readsize) | |
3023 | break; | |
3024 | bufsize += readsize; | |
3025 | ||
3026 | /* Process while we have NUL chars. */ | |
3027 | while ((sep = memchr(buf, 0, bufsize))) { | |
3028 | size_t sepsize = sep - buf + 1; | |
3029 | ||
3030 | if (!file) { | |
3031 | if (!realloc_lines(view, view->line_size + 1)) | |
3032 | goto error_out; | |
3033 | ||
3034 | file = calloc(1, sizeof(*file)); | |
3035 | if (!file) | |
3036 | goto error_out; | |
3037 | ||
3038 | add_line_data(view, file, type); | |
3039 | } | |
3040 | ||
3041 | /* Parse diff info part. */ | |
3042 | if (!diff) { | |
3043 | file->status = '?'; | |
3044 | ||
3045 | } else if (!file->status) { | |
3046 | if (!status_get_diff(file, buf, sepsize)) | |
3047 | goto error_out; | |
3048 | ||
3049 | bufsize -= sepsize; | |
3050 | memmove(buf, sep + 1, bufsize); | |
3051 | ||
3052 | sep = memchr(buf, 0, bufsize); | |
3053 | if (!sep) | |
3054 | break; | |
3055 | sepsize = sep - buf + 1; | |
b5c18d9d JF |
3056 | |
3057 | /* Collapse all 'M'odified entries that | |
3058 | * follow a associated 'U'nmerged entry. | |
3059 | */ | |
3060 | if (file->status == 'U') { | |
3061 | unmerged = file; | |
3062 | ||
3063 | } else if (unmerged) { | |
3064 | int collapse = !strcmp(buf, unmerged->name); | |
3065 | ||
3066 | unmerged = NULL; | |
3067 | if (collapse) { | |
3068 | free(file); | |
3069 | view->lines--; | |
3070 | continue; | |
3071 | } | |
3072 | } | |
173d76ea JF |
3073 | } |
3074 | ||
3075 | /* git-ls-files just delivers a NUL separated | |
3076 | * list of file names similar to the second half | |
3077 | * of the git-diff-* output. */ | |
3078 | string_ncopy(file->name, buf, sepsize); | |
3079 | bufsize -= sepsize; | |
3080 | memmove(buf, sep + 1, bufsize); | |
3081 | file = NULL; | |
3082 | } | |
3083 | } | |
3084 | ||
3085 | if (ferror(pipe)) { | |
3086 | error_out: | |
3087 | pclose(pipe); | |
3088 | return FALSE; | |
3089 | } | |
3090 | ||
3091 | if (!view->line[view->lines - 1].data) | |
3092 | add_line_data(view, NULL, LINE_STAT_NONE); | |
3093 | ||
3094 | pclose(pipe); | |
3095 | return TRUE; | |
3096 | } | |
3097 | ||
b5c18d9d JF |
3098 | /* Don't show unmerged entries in the staged section. */ |
3099 | #define STATUS_DIFF_INDEX_CMD "git diff-index -z --diff-filter=ACDMRTXB --cached HEAD" | |
173d76ea JF |
3100 | #define STATUS_DIFF_FILES_CMD "git diff-files -z" |
3101 | #define STATUS_LIST_OTHER_CMD \ | |
810f0078 | 3102 | "git ls-files -z --others --exclude-per-directory=.gitignore" |
173d76ea | 3103 | |
89d917a2 JF |
3104 | #define STATUS_DIFF_SHOW_CMD \ |
3105 | "git diff --root --patch-with-stat --find-copies-harder -B -C %s -- %s 2>/dev/null" | |
3106 | ||
173d76ea JF |
3107 | /* First parse staged info using git-diff-index(1), then parse unstaged |
3108 | * info using git-diff-files(1), and finally untracked files using | |
3109 | * git-ls-files(1). */ | |
3110 | static bool | |
3111 | status_open(struct view *view) | |
3112 | { | |
810f0078 JF |
3113 | struct stat statbuf; |
3114 | char exclude[SIZEOF_STR]; | |
3115 | char cmd[SIZEOF_STR]; | |
12e8c2be | 3116 | unsigned long prev_lineno = view->lineno; |
173d76ea JF |
3117 | size_t i; |
3118 | ||
3119 | for (i = 0; i < view->lines; i++) | |
3120 | free(view->line[i].data); | |
3121 | free(view->line); | |
12e8c2be | 3122 | view->lines = view->line_size = view->lineno = 0; |
173d76ea JF |
3123 | view->line = NULL; |
3124 | ||
3125 | if (!realloc_lines(view, view->line_size + 6)) | |
3126 | return FALSE; | |
3127 | ||
810f0078 JF |
3128 | if (!string_format(exclude, "%s/info/exclude", opt_git_dir)) |
3129 | return FALSE; | |
3130 | ||
3131 | string_copy(cmd, STATUS_LIST_OTHER_CMD); | |
3132 | ||
3133 | if (stat(exclude, &statbuf) >= 0) { | |
3134 | size_t cmdsize = strlen(cmd); | |
3135 | ||
3136 | if (!string_format_from(cmd, &cmdsize, " %s", "--exclude-from=") || | |
3137 | sq_quote(cmd, cmdsize, exclude) >= sizeof(cmd)) | |
3138 | return FALSE; | |
3139 | } | |
3140 | ||
173d76ea JF |
3141 | if (!status_run(view, STATUS_DIFF_INDEX_CMD, TRUE, LINE_STAT_STAGED) || |
3142 | !status_run(view, STATUS_DIFF_FILES_CMD, TRUE, LINE_STAT_UNSTAGED) || | |
810f0078 | 3143 | !status_run(view, cmd, FALSE, LINE_STAT_UNTRACKED)) |
173d76ea JF |
3144 | return FALSE; |
3145 | ||
12e8c2be JF |
3146 | /* If all went well restore the previous line number to stay in |
3147 | * the context. */ | |
3148 | if (prev_lineno < view->lines) | |
3149 | view->lineno = prev_lineno; | |
3150 | else | |
3151 | view->lineno = view->lines - 1; | |
3152 | ||
173d76ea JF |
3153 | return TRUE; |
3154 | } | |
3155 | ||
3156 | static bool | |
3157 | status_draw(struct view *view, struct line *line, unsigned int lineno, bool selected) | |
3158 | { | |
3159 | struct status *status = line->data; | |
3160 | ||
3161 | wmove(view->win, lineno, 0); | |
3162 | ||
3163 | if (selected) { | |
3164 | wattrset(view->win, get_line_attr(LINE_CURSOR)); | |
3165 | wchgat(view->win, -1, 0, LINE_CURSOR, NULL); | |
3166 | ||
3167 | } else if (!status && line->type != LINE_STAT_NONE) { | |
3168 | wattrset(view->win, get_line_attr(LINE_STAT_SECTION)); | |
3169 | wchgat(view->win, -1, 0, LINE_STAT_SECTION, NULL); | |
3170 | ||
3171 | } else { | |
3172 | wattrset(view->win, get_line_attr(line->type)); | |
3173 | } | |
3174 | ||
3175 | if (!status) { | |
3176 | char *text; | |
3177 | ||
3178 | switch (line->type) { | |
3179 | case LINE_STAT_STAGED: | |
3180 | text = "Changes to be committed:"; | |
3181 | break; | |
3182 | ||
3183 | case LINE_STAT_UNSTAGED: | |
3184 | text = "Changed but not updated:"; | |
3185 | break; | |
3186 | ||
3187 | case LINE_STAT_UNTRACKED: | |
3188 | text = "Untracked files:"; | |
3189 | break; | |
3190 | ||
3191 | case LINE_STAT_NONE: | |
3192 | text = " (no files)"; | |
3193 | break; | |
3194 | ||
3195 | default: | |
3196 | return FALSE; | |
3197 | } | |
3198 | ||
3199 | waddstr(view->win, text); | |
3200 | return TRUE; | |
3201 | } | |
3202 | ||
3203 | waddch(view->win, status->status); | |
3204 | if (!selected) | |
3205 | wattrset(view->win, A_NORMAL); | |
3206 | wmove(view->win, lineno, 4); | |
3207 | waddstr(view->win, status->name); | |
3208 | ||
3209 | return TRUE; | |
3210 | } | |
3211 | ||
586c423d | 3212 | static enum request |
88f66e2d | 3213 | status_enter(struct view *view, struct line *line) |
173d76ea | 3214 | { |
89d917a2 | 3215 | struct status *status = line->data; |
4e8159cf | 3216 | char path[SIZEOF_STR] = ""; |
89d917a2 JF |
3217 | char *info; |
3218 | size_t cmdsize = 0; | |
3219 | ||
4e8159cf JF |
3220 | if (line->type == LINE_STAT_NONE || |
3221 | (!status && line[1].type == LINE_STAT_NONE)) { | |
3222 | report("No file to diff"); | |
586c423d | 3223 | return REQ_NONE; |
89d917a2 JF |
3224 | } |
3225 | ||
4e8159cf | 3226 | if (status && sq_quote(path, 0, status->name) >= sizeof(path)) |
586c423d | 3227 | return REQ_QUIT; |
89d917a2 JF |
3228 | |
3229 | if (opt_cdup[0] && | |
3230 | line->type != LINE_STAT_UNTRACKED && | |
3231 | !string_format_from(opt_cmd, &cmdsize, "cd %s;", opt_cdup)) | |
586c423d | 3232 | return REQ_QUIT; |
89d917a2 JF |
3233 | |
3234 | switch (line->type) { | |
3235 | case LINE_STAT_STAGED: | |
3236 | if (!string_format_from(opt_cmd, &cmdsize, STATUS_DIFF_SHOW_CMD, | |
3237 | "--cached", path)) | |
586c423d | 3238 | return REQ_QUIT; |
4e8159cf JF |
3239 | if (status) |
3240 | info = "Staged changes to %s"; | |
3241 | else | |
3242 | info = "Staged changes"; | |
89d917a2 JF |
3243 | break; |
3244 | ||
3245 | case LINE_STAT_UNSTAGED: | |
3246 | if (!string_format_from(opt_cmd, &cmdsize, STATUS_DIFF_SHOW_CMD, | |
3247 | "", path)) | |
586c423d | 3248 | return REQ_QUIT; |
4e8159cf JF |
3249 | if (status) |
3250 | info = "Unstaged changes to %s"; | |
3251 | else | |
3252 | info = "Unstaged changes"; | |
89d917a2 JF |
3253 | break; |
3254 | ||
3255 | case LINE_STAT_UNTRACKED: | |
3256 | if (opt_pipe) | |
586c423d JF |
3257 | return REQ_QUIT; |
3258 | ||
4e8159cf JF |
3259 | |
3260 | if (!status) { | |
3261 | report("No file to show"); | |
586c423d | 3262 | return REQ_NONE; |
4e8159cf JF |
3263 | } |
3264 | ||
89d917a2 JF |
3265 | opt_pipe = fopen(status->name, "r"); |
3266 | info = "Untracked file %s"; | |
3267 | break; | |
3268 | ||
3269 | default: | |
3270 | die("w00t"); | |
3271 | } | |
3272 | ||
3e634113 JF |
3273 | open_view(view, REQ_VIEW_STAGE, OPEN_RELOAD | OPEN_SPLIT); |
3274 | if (view_is_displayed(VIEW(REQ_VIEW_STAGE))) { | |
b33611d8 JF |
3275 | if (status) { |
3276 | stage_status = *status; | |
3277 | } else { | |
3278 | memset(&stage_status, 0, sizeof(stage_status)); | |
3279 | } | |
3280 | ||
3281 | stage_line_type = line->type; | |
3282 | string_format(VIEW(REQ_VIEW_STAGE)->ref, info, stage_status.name); | |
89d917a2 JF |
3283 | } |
3284 | ||
586c423d | 3285 | return REQ_NONE; |
ca1d71ea JF |
3286 | } |
3287 | ||
88f66e2d | 3288 | |
ca1d71ea JF |
3289 | static bool |
3290 | status_update_file(struct view *view, struct status *status, enum line_type type) | |
3291 | { | |
91c5d983 | 3292 | char cmd[SIZEOF_STR]; |
173d76ea | 3293 | char buf[SIZEOF_STR]; |
91c5d983 | 3294 | size_t cmdsize = 0; |
173d76ea JF |
3295 | size_t bufsize = 0; |
3296 | size_t written = 0; | |
3297 | FILE *pipe; | |
3298 | ||
91c5d983 | 3299 | if (opt_cdup[0] && |
ca1d71ea | 3300 | type != LINE_STAT_UNTRACKED && |
91c5d983 JF |
3301 | !string_format_from(cmd, &cmdsize, "cd %s;", opt_cdup)) |
3302 | return FALSE; | |
3303 | ||
ca1d71ea | 3304 | switch (type) { |
173d76ea JF |
3305 | case LINE_STAT_STAGED: |
3306 | if (!string_format_from(buf, &bufsize, "%06o %s\t%s%c", | |
3307 | status->old.mode, | |
3308 | status->old.rev, | |
3309 | status->name, 0)) | |
3310 | return FALSE; | |
91c5d983 JF |
3311 | |
3312 | string_add(cmd, cmdsize, "git update-index -z --index-info"); | |
173d76ea JF |
3313 | break; |
3314 | ||
3315 | case LINE_STAT_UNSTAGED: | |
3316 | case LINE_STAT_UNTRACKED: | |
3317 | if (!string_format_from(buf, &bufsize, "%s%c", status->name, 0)) | |
3318 | return FALSE; | |
91c5d983 JF |
3319 | |
3320 | string_add(cmd, cmdsize, "git update-index -z --add --remove --stdin"); | |
173d76ea JF |
3321 | break; |
3322 | ||
3323 | default: | |
3324 | die("w00t"); | |
3325 | } | |
3326 | ||
3327 | pipe = popen(cmd, "w"); | |
3328 | if (!pipe) | |
3329 | return FALSE; | |
3330 | ||
3331 | while (!ferror(pipe) && written < bufsize) { | |
3332 | written += fwrite(buf + written, 1, bufsize - written, pipe); | |
3333 | } | |
3334 | ||
3335 | pclose(pipe); | |
3336 | ||
3337 | if (written != bufsize) | |
3338 | return FALSE; | |
3339 | ||
173d76ea JF |
3340 | return TRUE; |
3341 | } | |
3342 | ||
3343 | static void | |
ca1d71ea JF |
3344 | status_update(struct view *view) |
3345 | { | |
dec7b437 | 3346 | struct line *line = &view->line[view->lineno]; |
351917f8 | 3347 | |
dec7b437 | 3348 | assert(view->lines); |
11359638 | 3349 | |
dec7b437 JF |
3350 | if (!line->data) { |
3351 | while (++line < view->line + view->lines && line->data) { | |
3352 | if (!status_update_file(view, line->data, line->type)) | |
3353 | report("Failed to update file status"); | |
3354 | } | |
11359638 | 3355 | |
dec7b437 JF |
3356 | if (!line[-1].data) { |
3357 | report("Nothing to update"); | |
3358 | return; | |
93e4c4f6 JF |
3359 | } |
3360 | ||
dec7b437 JF |
3361 | } else if (!status_update_file(view, line->data, line->type)) { |
3362 | report("Failed to update file status"); | |
ca1d71ea JF |
3363 | } |
3364 | } | |
3365 | ||
88f66e2d JF |
3366 | static enum request |
3367 | status_request(struct view *view, enum request request, struct line *line) | |
3368 | { | |
0cea0d43 JF |
3369 | struct status *status = line->data; |
3370 | ||
88f66e2d JF |
3371 | switch (request) { |
3372 | case REQ_STATUS_UPDATE: | |
3373 | status_update(view); | |
3374 | break; | |
3375 | ||
b5c18d9d JF |
3376 | case REQ_STATUS_MERGE: |
3377 | open_mergetool(status->name); | |
b5c18d9d JF |
3378 | break; |
3379 | ||
0cea0d43 JF |
3380 | case REQ_EDIT: |
3381 | if (!status) | |
3382 | return request; | |
3383 | ||
3dd65d95 | 3384 | open_editor(status->status != '?', status->name); |
0cea0d43 JF |
3385 | break; |
3386 | ||
88f66e2d | 3387 | case REQ_ENTER: |
17a27c16 JF |
3388 | /* After returning the status view has been split to |
3389 | * show the stage view. No further reloading is | |
3390 | * necessary. */ | |
88f66e2d | 3391 | status_enter(view, line); |
17a27c16 | 3392 | return REQ_NONE; |
88f66e2d | 3393 | |
acaef3b3 | 3394 | case REQ_REFRESH: |
17a27c16 | 3395 | /* Simply reload the view. */ |
acaef3b3 JF |
3396 | break; |
3397 | ||
88f66e2d JF |
3398 | default: |
3399 | return request; | |
3400 | } | |
3401 | ||
17a27c16 JF |
3402 | open_view(view, REQ_VIEW_STATUS, OPEN_RELOAD); |
3403 | ||
88f66e2d JF |
3404 | return REQ_NONE; |
3405 | } | |
3406 | ||
ca1d71ea | 3407 | static void |
173d76ea JF |
3408 | status_select(struct view *view, struct line *line) |
3409 | { | |
11359638 JF |
3410 | struct status *status = line->data; |
3411 | char file[SIZEOF_STR] = "all files"; | |
173d76ea | 3412 | char *text; |
b5c18d9d | 3413 | char *key; |
173d76ea | 3414 | |
11359638 JF |
3415 | if (status && !string_format(file, "'%s'", status->name)) |
3416 | return; | |
3417 | ||
3418 | if (!status && line[1].type == LINE_STAT_NONE) | |
3419 | line++; | |
3420 | ||
173d76ea JF |
3421 | switch (line->type) { |
3422 | case LINE_STAT_STAGED: | |
11359638 | 3423 | text = "Press %s to unstage %s for commit"; |
173d76ea JF |
3424 | break; |
3425 | ||
3426 | case LINE_STAT_UNSTAGED: | |
11359638 | 3427 | text = "Press %s to stage %s for commit"; |
173d76ea JF |
3428 | break; |
3429 | ||
3430 | case LINE_STAT_UNTRACKED: | |
11359638 | 3431 | text = "Press %s to stage %s for addition"; |
173d76ea JF |
3432 | break; |
3433 | ||
3434 | case LINE_STAT_NONE: | |
11359638 JF |
3435 | text = "Nothing to update"; |
3436 | break; | |
173d76ea JF |
3437 | |
3438 | default: | |
3439 | die("w00t"); | |
3440 | } | |
3441 | ||
b5c18d9d JF |
3442 | if (status && status->status == 'U') { |
3443 | text = "Press %s to resolve conflict in %s"; | |
3444 | key = get_key(REQ_STATUS_MERGE); | |
3445 | ||
3446 | } else { | |
3447 | key = get_key(REQ_STATUS_UPDATE); | |
3448 | } | |
3449 | ||
3450 | string_format(view->ref, text, key, file); | |
173d76ea JF |
3451 | } |
3452 | ||
3453 | static bool | |
3454 | status_grep(struct view *view, struct line *line) | |
3455 | { | |
3456 | struct status *status = line->data; | |
3457 | enum { S_STATUS, S_NAME, S_END } state; | |
3458 | char buf[2] = "?"; | |
3459 | regmatch_t pmatch; | |
3460 | ||
3461 | if (!status) | |
3462 | return FALSE; | |
3463 | ||
3464 | for (state = S_STATUS; state < S_END; state++) { | |
3465 | char *text; | |
3466 | ||
3467 | switch (state) { | |
3468 | case S_NAME: text = status->name; break; | |
3469 | case S_STATUS: | |
3470 | buf[0] = status->status; | |
3471 | text = buf; | |
3472 | break; | |
3473 | ||
3474 | default: | |
3475 | return FALSE; | |
3476 | } | |
3477 | ||
3478 | if (regexec(view->regex, text, 1, &pmatch, 0) != REG_NOMATCH) | |
3479 | return TRUE; | |
3480 | } | |
3481 | ||
3482 | return FALSE; | |
3483 | } | |
3484 | ||
3485 | static struct view_ops status_ops = { | |
3486 | "file", | |
3487 | status_open, | |
3488 | NULL, | |
3489 | status_draw, | |
586c423d | 3490 | status_request, |
173d76ea JF |
3491 | status_grep, |
3492 | status_select, | |
3493 | }; | |
3494 | ||
b33611d8 JF |
3495 | |
3496 | static bool | |
3497 | stage_diff_line(FILE *pipe, struct line *line) | |
3498 | { | |
3499 | char *buf = line->data; | |
3500 | size_t bufsize = strlen(buf); | |
3501 | size_t written = 0; | |
3502 | ||
3503 | while (!ferror(pipe) && written < bufsize) { | |
3504 | written += fwrite(buf + written, 1, bufsize - written, pipe); | |
3505 | } | |
3506 | ||
3507 | fputc('\n', pipe); | |
3508 | ||
3509 | return written == bufsize; | |
3510 | } | |
3511 | ||
3512 | static struct line * | |
3513 | stage_diff_hdr(struct view *view, struct line *line) | |
3514 | { | |
3515 | int diff_hdr_dir = line->type == LINE_DIFF_CHUNK ? -1 : 1; | |
3516 | struct line *diff_hdr; | |
3517 | ||
3518 | if (line->type == LINE_DIFF_CHUNK) | |
3519 | diff_hdr = line - 1; | |
3520 | else | |
3521 | diff_hdr = view->line + 1; | |
3522 | ||
3523 | while (diff_hdr > view->line && diff_hdr < view->line + view->lines) { | |
3524 | if (diff_hdr->type == LINE_DIFF_HEADER) | |
3525 | return diff_hdr; | |
3526 | ||
3527 | diff_hdr += diff_hdr_dir; | |
3528 | } | |
3529 | ||
3530 | return NULL; | |
3531 | } | |
3532 | ||
3533 | static bool | |
3534 | stage_update_chunk(struct view *view, struct line *line) | |
3535 | { | |
3536 | char cmd[SIZEOF_STR]; | |
3537 | size_t cmdsize = 0; | |
3538 | struct line *diff_hdr, *diff_chunk, *diff_end; | |
3539 | FILE *pipe; | |
3540 | ||
3541 | diff_hdr = stage_diff_hdr(view, line); | |
3542 | if (!diff_hdr) | |
3543 | return FALSE; | |
3544 | ||
3545 | if (opt_cdup[0] && | |
3546 | !string_format_from(cmd, &cmdsize, "cd %s;", opt_cdup)) | |
3547 | return FALSE; | |
3548 | ||
3549 | if (!string_format_from(cmd, &cmdsize, | |
3550 | "git apply --cached %s - && " | |
3551 | "git update-index -q --unmerged --refresh 2>/dev/null", | |
3552 | stage_line_type == LINE_STAT_STAGED ? "-R" : "")) | |
3553 | return FALSE; | |
3554 | ||
3555 | pipe = popen(cmd, "w"); | |
3556 | if (!pipe) | |
3557 | return FALSE; | |
3558 | ||
3559 | diff_end = view->line + view->lines; | |
3560 | if (line->type != LINE_DIFF_CHUNK) { | |
3561 | diff_chunk = diff_hdr; | |
3562 | ||
3563 | } else { | |
3564 | for (diff_chunk = line + 1; diff_chunk < diff_end; diff_chunk++) | |
3565 | if (diff_chunk->type == LINE_DIFF_CHUNK || | |
3566 | diff_chunk->type == LINE_DIFF_HEADER) | |
3567 | diff_end = diff_chunk; | |
3568 | ||
3569 | diff_chunk = line; | |
3570 | ||
3571 | while (diff_hdr->type != LINE_DIFF_CHUNK) { | |
3572 | switch (diff_hdr->type) { | |
3573 | case LINE_DIFF_HEADER: | |
3574 | case LINE_DIFF_INDEX: | |
3575 | case LINE_DIFF_ADD: | |
3576 | case LINE_DIFF_DEL: | |
3577 | break; | |
3578 | ||
3579 | default: | |
3580 | diff_hdr++; | |
3581 | continue; | |
3582 | } | |
3583 | ||
3584 | if (!stage_diff_line(pipe, diff_hdr++)) { | |
3585 | pclose(pipe); | |
3586 | return FALSE; | |
3587 | } | |
3588 | } | |
3589 | } | |
3590 | ||
3591 | while (diff_chunk < diff_end && stage_diff_line(pipe, diff_chunk)) | |
3592 | diff_chunk++; | |
3593 | ||
3594 | pclose(pipe); | |
3595 | ||
3596 | if (diff_chunk != diff_end) | |
3597 | return FALSE; | |
3598 | ||
3599 | return TRUE; | |
3600 | } | |
3601 | ||
3602 | static void | |
3603 | stage_update(struct view *view, struct line *line) | |
3604 | { | |
3605 | if (stage_line_type != LINE_STAT_UNTRACKED && | |
3606 | (line->type == LINE_DIFF_CHUNK || !stage_status.status)) { | |
3607 | if (!stage_update_chunk(view, line)) { | |
3608 | report("Failed to apply chunk"); | |
3609 | return; | |
3610 | } | |
3611 | ||
3612 | } else if (!status_update_file(view, &stage_status, stage_line_type)) { | |
3613 | report("Failed to update file"); | |
3614 | return; | |
3615 | } | |
3616 | ||
3617 | open_view(view, REQ_VIEW_STATUS, OPEN_RELOAD); | |
3618 | ||
3619 | view = VIEW(REQ_VIEW_STATUS); | |
3620 | if (view_is_displayed(view)) | |
3621 | status_enter(view, &view->line[view->lineno]); | |
3622 | } | |
3623 | ||
3624 | static enum request | |
3625 | stage_request(struct view *view, enum request request, struct line *line) | |
3626 | { | |
3627 | switch (request) { | |
3628 | case REQ_STATUS_UPDATE: | |
3629 | stage_update(view, line); | |
3630 | break; | |
3631 | ||
3632 | case REQ_EDIT: | |
3633 | if (!stage_status.name[0]) | |
3634 | return request; | |
3635 | ||
3dd65d95 | 3636 | open_editor(stage_status.status != '?', stage_status.name); |
b33611d8 JF |
3637 | break; |
3638 | ||
3639 | case REQ_ENTER: | |
3640 | pager_request(view, request, line); | |
3641 | break; | |
3642 | ||
3643 | default: | |
3644 | return request; | |
3645 | } | |
3646 | ||
3647 | return REQ_NONE; | |
3648 | } | |
3649 | ||
3e634113 JF |
3650 | static struct view_ops stage_ops = { |
3651 | "line", | |
3652 | NULL, | |
3653 | pager_read, | |
3654 | pager_draw, | |
b33611d8 | 3655 | stage_request, |
3e634113 JF |
3656 | pager_grep, |
3657 | pager_select, | |
3658 | }; | |
173d76ea | 3659 | |
b33611d8 | 3660 | |
173d76ea | 3661 | /* |
ccc33449 | 3662 | * Revision graph |
ff26aa29 JF |
3663 | */ |
3664 | ||
3665 | struct commit { | |
10446330 | 3666 | char id[SIZEOF_REV]; /* SHA1 ID. */ |
aea510c8 | 3667 | char title[128]; /* First line of the commit message. */ |
54efb62b JF |
3668 | char author[75]; /* Author of the commit. */ |
3669 | struct tm time; /* Date from the author ident. */ | |
3670 | struct ref **refs; /* Repository references. */ | |
3671 | chtype graph[SIZEOF_REVGRAPH]; /* Ancestry chain graphics. */ | |
3672 | size_t graph_size; /* The width of the graph array. */ | |
ff26aa29 | 3673 | }; |
c34d9c9f | 3674 | |
ccc33449 JF |
3675 | /* Size of rev graph with no "padding" columns */ |
3676 | #define SIZEOF_REVITEMS (SIZEOF_REVGRAPH - (SIZEOF_REVGRAPH / 2)) | |
2b757533 | 3677 | |
2ce5c87c JF |
3678 | struct rev_graph { |
3679 | struct rev_graph *prev, *next, *parents; | |
2b757533 JF |
3680 | char rev[SIZEOF_REVITEMS][SIZEOF_REV]; |
3681 | size_t size; | |
88757ebd JF |
3682 | struct commit *commit; |
3683 | size_t pos; | |
2b757533 JF |
3684 | }; |
3685 | ||
2b757533 | 3686 | /* Parents of the commit being visualized. */ |
446a5c36 | 3687 | static struct rev_graph graph_parents[4]; |
c8d60a25 | 3688 | |
c65a501a | 3689 | /* The current stack of revisions on the graph. */ |
446a5c36 JF |
3690 | static struct rev_graph graph_stacks[4] = { |
3691 | { &graph_stacks[3], &graph_stacks[1], &graph_parents[0] }, | |
c65a501a | 3692 | { &graph_stacks[0], &graph_stacks[2], &graph_parents[1] }, |
446a5c36 JF |
3693 | { &graph_stacks[1], &graph_stacks[3], &graph_parents[2] }, |
3694 | { &graph_stacks[2], &graph_stacks[0], &graph_parents[3] }, | |
c65a501a JF |
3695 | }; |
3696 | ||
9e43b9cd | 3697 | static inline bool |
2ce5c87c | 3698 | graph_parent_is_merge(struct rev_graph *graph) |
9e43b9cd JF |
3699 | { |
3700 | return graph->parents->size > 1; | |
3701 | } | |
3702 | ||
88757ebd | 3703 | static inline void |
2ce5c87c | 3704 | append_to_rev_graph(struct rev_graph *graph, chtype symbol) |
88757ebd | 3705 | { |
2c27faac JF |
3706 | struct commit *commit = graph->commit; |
3707 | ||
3708 | if (commit->graph_size < ARRAY_SIZE(commit->graph) - 1) | |
3709 | commit->graph[commit->graph_size++] = symbol; | |
88757ebd JF |
3710 | } |
3711 | ||
2b757533 | 3712 | static void |
2ce5c87c | 3713 | done_rev_graph(struct rev_graph *graph) |
987890af JF |
3714 | { |
3715 | if (graph_parent_is_merge(graph) && | |
3716 | graph->pos < graph->size - 1 && | |
3717 | graph->next->size == graph->size + graph->parents->size - 1) { | |
3718 | size_t i = graph->pos + graph->parents->size - 1; | |
3719 | ||
3720 | graph->commit->graph_size = i * 2; | |
3721 | while (i < graph->next->size - 1) { | |
3722 | append_to_rev_graph(graph, ' '); | |
3723 | append_to_rev_graph(graph, '\\'); | |
3724 | i++; | |
3725 | } | |
3726 | } | |
3727 | ||
3728 | graph->size = graph->pos = 0; | |
3729 | graph->commit = NULL; | |
3730 | memset(graph->parents, 0, sizeof(*graph->parents)); | |
3731 | } | |
3732 | ||
3733 | static void | |
2ce5c87c | 3734 | push_rev_graph(struct rev_graph *graph, char *parent) |
2b757533 | 3735 | { |
2fe894e6 JF |
3736 | int i; |
3737 | ||
3738 | /* "Collapse" duplicate parents lines. | |
3739 | * | |
3740 | * FIXME: This needs to also update update the drawn graph but | |
3741 | * for now it just serves as a method for pruning graph lines. */ | |
3742 | for (i = 0; i < graph->size; i++) | |
3743 | if (!strncmp(graph->rev[i], parent, SIZEOF_REV)) | |
3744 | return; | |
2b757533 | 3745 | |
2ce5c87c | 3746 | if (graph->size < SIZEOF_REVITEMS) { |
739e81de | 3747 | string_copy_rev(graph->rev[graph->size++], parent); |
2b757533 JF |
3748 | } |
3749 | } | |
3750 | ||
92507a24 JF |
3751 | static chtype |
3752 | get_rev_graph_symbol(struct rev_graph *graph) | |
2b757533 | 3753 | { |
92507a24 | 3754 | chtype symbol; |
2b757533 | 3755 | |
c65a501a | 3756 | if (graph->parents->size == 0) |
c8d60a25 | 3757 | symbol = REVGRAPH_INIT; |
18ffaa23 | 3758 | else if (graph_parent_is_merge(graph)) |
c8d60a25 | 3759 | symbol = REVGRAPH_MERGE; |
c65a501a | 3760 | else if (graph->pos >= graph->size) |
c8d60a25 | 3761 | symbol = REVGRAPH_BRANCH; |
2b757533 | 3762 | else |
c8d60a25 | 3763 | symbol = REVGRAPH_COMMIT; |
1dcb3bec | 3764 | |
92507a24 JF |
3765 | return symbol; |
3766 | } | |
3767 | ||
3768 | static void | |
3769 | draw_rev_graph(struct rev_graph *graph) | |
3770 | { | |
e937c2c8 JF |
3771 | struct rev_filler { |
3772 | chtype separator, line; | |
3773 | }; | |
3774 | enum { DEFAULT, RSHARP, RDIAG, LDIAG }; | |
3775 | static struct rev_filler fillers[] = { | |
3776 | { ' ', REVGRAPH_LINE }, | |
3777 | { '`', '.' }, | |
3778 | { '\'', ' ' }, | |
3779 | { '/', ' ' }, | |
e937c2c8 | 3780 | }; |
92507a24 | 3781 | chtype symbol = get_rev_graph_symbol(graph); |
e937c2c8 | 3782 | struct rev_filler *filler; |
92507a24 JF |
3783 | size_t i; |
3784 | ||
e937c2c8 | 3785 | filler = &fillers[DEFAULT]; |
110e948e | 3786 | |
c65a501a | 3787 | for (i = 0; i < graph->pos; i++) { |
e937c2c8 | 3788 | append_to_rev_graph(graph, filler->line); |
9e43b9cd | 3789 | if (graph_parent_is_merge(graph->prev) && |
e937c2c8 JF |
3790 | graph->prev->pos == i) |
3791 | filler = &fillers[RSHARP]; | |
3792 | ||
3793 | append_to_rev_graph(graph, filler->separator); | |
110e948e JF |
3794 | } |
3795 | ||
92507a24 | 3796 | /* Place the symbol for this revision. */ |
c65a501a | 3797 | append_to_rev_graph(graph, symbol); |
2b757533 | 3798 | |
e937c2c8 JF |
3799 | if (graph->prev->size > graph->size) |
3800 | filler = &fillers[RDIAG]; | |
3801 | else | |
3802 | filler = &fillers[DEFAULT]; | |
3803 | ||
c8d60a25 | 3804 | i++; |
2b757533 | 3805 | |
c65a501a | 3806 | for (; i < graph->size; i++) { |
e937c2c8 JF |
3807 | append_to_rev_graph(graph, filler->separator); |
3808 | append_to_rev_graph(graph, filler->line); | |
3809 | if (graph_parent_is_merge(graph->prev) && | |
3810 | i < graph->prev->pos + graph->parents->size) | |
3811 | filler = &fillers[RSHARP]; | |
3812 | if (graph->prev->size > graph->size) | |
3813 | filler = &fillers[LDIAG]; | |
c65a501a JF |
3814 | } |
3815 | ||
3816 | if (graph->prev->size > graph->size) { | |
e937c2c8 JF |
3817 | append_to_rev_graph(graph, filler->separator); |
3818 | if (filler->line != ' ') | |
3819 | append_to_rev_graph(graph, filler->line); | |
2b757533 | 3820 | } |
b5d8f208 JF |
3821 | } |
3822 | ||
61eed810 JF |
3823 | /* Prepare the next rev graph */ |
3824 | static void | |
3825 | prepare_rev_graph(struct rev_graph *graph) | |
b5d8f208 | 3826 | { |
b5d8f208 JF |
3827 | size_t i; |
3828 | ||
320df4ea | 3829 | /* First, traverse all lines of revisions up to the active one. */ |
c65a501a JF |
3830 | for (graph->pos = 0; graph->pos < graph->size; graph->pos++) { |
3831 | if (!strcmp(graph->rev[graph->pos], graph->commit->id)) | |
b5d8f208 | 3832 | break; |
b5d8f208 | 3833 | |
2ce5c87c | 3834 | push_rev_graph(graph->next, graph->rev[graph->pos]); |
b5d8f208 JF |
3835 | } |
3836 | ||
320df4ea | 3837 | /* Interleave the new revision parent(s). */ |
c65a501a | 3838 | for (i = 0; i < graph->parents->size; i++) |
2ce5c87c | 3839 | push_rev_graph(graph->next, graph->parents->rev[i]); |
b5d8f208 | 3840 | |
320df4ea | 3841 | /* Lastly, put any remaining revisions. */ |
c65a501a | 3842 | for (i = graph->pos + 1; i < graph->size; i++) |
2ce5c87c | 3843 | push_rev_graph(graph->next, graph->rev[i]); |
61eed810 JF |
3844 | } |
3845 | ||
3846 | static void | |
3847 | update_rev_graph(struct rev_graph *graph) | |
3848 | { | |
446a5c36 JF |
3849 | /* If this is the finalizing update ... */ |
3850 | if (graph->commit) | |
3851 | prepare_rev_graph(graph); | |
3852 | ||
3853 | /* Graph visualization needs a one rev look-ahead, | |
3854 | * so the first update doesn't visualize anything. */ | |
3855 | if (!graph->prev->commit) | |
3856 | return; | |
c65a501a | 3857 | |
61eed810 JF |
3858 | draw_rev_graph(graph->prev); |
3859 | done_rev_graph(graph->prev->prev); | |
2b757533 JF |
3860 | } |
3861 | ||
ccc33449 JF |
3862 | |
3863 | /* | |
3864 | * Main view backend | |
3865 | */ | |
3866 | ||
3867 | static bool | |
3868 | main_draw(struct view *view, struct line *line, unsigned int lineno, bool selected) | |
3869 | { | |
3870 | char buf[DATE_COLS + 1]; | |
3871 | struct commit *commit = line->data; | |
3872 | enum line_type type; | |
3873 | int col = 0; | |
3874 | size_t timelen; | |
3875 | size_t authorlen; | |
3876 | int trimmed = 1; | |
3877 | ||
3878 | if (!*commit->author) | |
3879 | return FALSE; | |
3880 | ||
3881 | wmove(view->win, lineno, col); | |
3882 | ||
3883 | if (selected) { | |
3884 | type = LINE_CURSOR; | |
3885 | wattrset(view->win, get_line_attr(type)); | |
3886 | wchgat(view->win, -1, 0, type, NULL); | |
3887 | ||
3888 | } else { | |
3889 | type = LINE_MAIN_COMMIT; | |
3890 | wattrset(view->win, get_line_attr(LINE_MAIN_DATE)); | |
3891 | } | |
3892 | ||
3893 | timelen = strftime(buf, sizeof(buf), DATE_FORMAT, &commit->time); | |
3894 | waddnstr(view->win, buf, timelen); | |
3895 | waddstr(view->win, " "); | |
3896 | ||
3897 | col += DATE_COLS; | |
3898 | wmove(view->win, lineno, col); | |
3899 | if (type != LINE_CURSOR) | |
3900 | wattrset(view->win, get_line_attr(LINE_MAIN_AUTHOR)); | |
3901 | ||
3902 | if (opt_utf8) { | |
3903 | authorlen = utf8_length(commit->author, AUTHOR_COLS - 2, &col, &trimmed); | |
3904 | } else { | |
3905 | authorlen = strlen(commit->author); | |
3906 | if (authorlen > AUTHOR_COLS - 2) { | |
3907 | authorlen = AUTHOR_COLS - 2; | |
3908 | trimmed = 1; | |
3909 | } | |
3910 | } | |
3911 | ||
3912 | if (trimmed) { | |
3913 | waddnstr(view->win, commit->author, authorlen); | |
3914 | if (type != LINE_CURSOR) | |
3915 | wattrset(view->win, get_line_attr(LINE_MAIN_DELIM)); | |
3916 | waddch(view->win, '~'); | |
3917 | } else { | |
3918 | waddstr(view->win, commit->author); | |
3919 | } | |
3920 | ||
3921 | col += AUTHOR_COLS; | |
3922 | if (type != LINE_CURSOR) | |
3923 | wattrset(view->win, A_NORMAL); | |
3924 | ||
3925 | if (opt_rev_graph && commit->graph_size) { | |
3926 | size_t i; | |
3927 | ||
3928 | wmove(view->win, lineno, col); | |
3929 | /* Using waddch() instead of waddnstr() ensures that | |
3930 | * they'll be rendered correctly for the cursor line. */ | |
3931 | for (i = 0; i < commit->graph_size; i++) | |
3932 | waddch(view->win, commit->graph[i]); | |
3933 | ||
8716b9ed | 3934 | waddch(view->win, ' '); |
ccc33449 JF |
3935 | col += commit->graph_size + 1; |
3936 | } | |
3937 | ||
3938 | wmove(view->win, lineno, col); | |
3939 | ||
3940 | if (commit->refs) { | |
3941 | size_t i = 0; | |
3942 | ||
3943 | do { | |
3944 | if (type == LINE_CURSOR) | |
3945 | ; | |
3946 | else if (commit->refs[i]->tag) | |
3947 | wattrset(view->win, get_line_attr(LINE_MAIN_TAG)); | |
e15ec88e JF |
3948 | else if (commit->refs[i]->remote) |
3949 | wattrset(view->win, get_line_attr(LINE_MAIN_REMOTE)); | |
ccc33449 JF |
3950 | else |
3951 | wattrset(view->win, get_line_attr(LINE_MAIN_REF)); | |
3952 | waddstr(view->win, "["); | |
3953 | waddstr(view->win, commit->refs[i]->name); | |
3954 | waddstr(view->win, "]"); | |
3955 | if (type != LINE_CURSOR) | |
3956 | wattrset(view->win, A_NORMAL); | |
3957 | waddstr(view->win, " "); | |
3958 | col += strlen(commit->refs[i]->name) + STRING_SIZE("[] "); | |
3959 | } while (commit->refs[i++]->next); | |
3960 | } | |
3961 | ||
3962 | if (type != LINE_CURSOR) | |
3963 | wattrset(view->win, get_line_attr(type)); | |
3964 | ||
3965 | { | |
3966 | int titlelen = strlen(commit->title); | |
3967 | ||
3968 | if (col + titlelen > view->width) | |
3969 | titlelen = view->width - col; | |
3970 | ||
3971 | waddnstr(view->win, commit->title, titlelen); | |
3972 | } | |
3973 | ||
3974 | return TRUE; | |
3975 | } | |
3976 | ||
4c6fabc2 | 3977 | /* Reads git log --pretty=raw output and parses it into the commit struct. */ |
6b161b31 | 3978 | static bool |
701e4f5d | 3979 | main_read(struct view *view, char *line) |
22f66b0a | 3980 | { |
2ce5c87c | 3981 | static struct rev_graph *graph = graph_stacks; |
be04d936 | 3982 | enum line_type type; |
0ff3b97c | 3983 | struct commit *commit; |
22f66b0a | 3984 | |
be04d936 | 3985 | if (!line) { |
446a5c36 | 3986 | update_rev_graph(graph); |
be04d936 JF |
3987 | return TRUE; |
3988 | } | |
3989 | ||
3990 | type = get_line_type(line); | |
0ff3b97c | 3991 | if (type == LINE_COMMIT) { |
22f66b0a JF |
3992 | commit = calloc(1, sizeof(struct commit)); |
3993 | if (!commit) | |
3994 | return FALSE; | |
3995 | ||
0ff3b97c | 3996 | string_copy_rev(commit->id, line + STRING_SIZE("commit ")); |
c34d9c9f | 3997 | commit->refs = get_refs(commit->id); |
c65a501a | 3998 | graph->commit = commit; |
e314c36d | 3999 | add_line_data(view, commit, LINE_MAIN_COMMIT); |
0ff3b97c JF |
4000 | return TRUE; |
4001 | } | |
2b757533 | 4002 | |
0ff3b97c JF |
4003 | if (!view->lines) |
4004 | return TRUE; | |
4005 | commit = view->line[view->lines - 1].data; | |
4006 | ||
4007 | switch (type) { | |
2b757533 | 4008 | case LINE_PARENT: |
0ff3b97c | 4009 | push_rev_graph(graph->parents, line + STRING_SIZE("parent ")); |
78c70acd | 4010 | break; |
22f66b0a | 4011 | |
8855ada4 | 4012 | case LINE_AUTHOR: |
b76c2afc | 4013 | { |
19c3ac60 JF |
4014 | /* Parse author lines where the name may be empty: |
4015 | * author <email@address.tld> 1138474660 +0100 | |
4016 | */ | |
4c6fabc2 | 4017 | char *ident = line + STRING_SIZE("author "); |
19c3ac60 JF |
4018 | char *nameend = strchr(ident, '<'); |
4019 | char *emailend = strchr(ident, '>'); | |
b76c2afc | 4020 | |
0ff3b97c | 4021 | if (!nameend || !emailend) |
fe7233c3 JF |
4022 | break; |
4023 | ||
c65a501a JF |
4024 | update_rev_graph(graph); |
4025 | graph = graph->next; | |
2b757533 | 4026 | |
19c3ac60 JF |
4027 | *nameend = *emailend = 0; |
4028 | ident = chomp_string(ident); | |
4029 | if (!*ident) { | |
4030 | ident = chomp_string(nameend + 1); | |
4031 | if (!*ident) | |
4032 | ident = "Unknown"; | |
b76c2afc JF |
4033 | } |
4034 | ||
739e81de | 4035 | string_ncopy(commit->author, ident, strlen(ident)); |
b76c2afc | 4036 | |
4c6fabc2 | 4037 | /* Parse epoch and timezone */ |
19c3ac60 JF |
4038 | if (emailend[1] == ' ') { |
4039 | char *secs = emailend + 2; | |
4040 | char *zone = strchr(secs, ' '); | |
4041 | time_t time = (time_t) atol(secs); | |
b76c2afc | 4042 | |
4c6fabc2 | 4043 | if (zone && strlen(zone) == STRING_SIZE(" +0700")) { |
b76c2afc JF |
4044 | long tz; |
4045 | ||
4046 | zone++; | |
4047 | tz = ('0' - zone[1]) * 60 * 60 * 10; | |
4048 | tz += ('0' - zone[2]) * 60 * 60; | |
4049 | tz += ('0' - zone[3]) * 60; | |
4050 | tz += ('0' - zone[4]) * 60; | |
4051 | ||
4052 | if (zone[0] == '-') | |
4053 | tz = -tz; | |
4054 | ||
4055 | time -= tz; | |
4056 | } | |
19c3ac60 | 4057 | |
b76c2afc JF |
4058 | gmtime_r(&time, &commit->time); |
4059 | } | |
4060 | break; | |
4061 | } | |
78c70acd | 4062 | default: |
2e8488b4 | 4063 | /* Fill in the commit title if it has not already been set. */ |
2e8488b4 JF |
4064 | if (commit->title[0]) |
4065 | break; | |
4066 | ||
4067 | /* Require titles to start with a non-space character at the | |
4068 | * offset used by git log. */ | |
9073c64a JF |
4069 | if (strncmp(line, " ", 4)) |
4070 | break; | |
4071 | line += 4; | |
4072 | /* Well, if the title starts with a whitespace character, | |
4073 | * try to be forgiving. Otherwise we end up with no title. */ | |
4074 | while (isspace(*line)) | |
4075 | line++; | |
4076 | if (*line == '\0') | |
82e78006 | 4077 | break; |
9073c64a JF |
4078 | /* FIXME: More graceful handling of titles; append "..." to |
4079 | * shortened titles, etc. */ | |
82e78006 | 4080 | |
739e81de | 4081 | string_ncopy(commit->title, line, strlen(line)); |
22f66b0a JF |
4082 | } |
4083 | ||
4084 | return TRUE; | |
4085 | } | |
4086 | ||
226da94b JF |
4087 | static void |
4088 | cherry_pick_commit(struct commit *commit) | |
4089 | { | |
4090 | char cmd[SIZEOF_STR]; | |
4091 | char *cherry_pick = getenv("TIG_CHERRY_PICK"); | |
4092 | ||
4093 | if (!cherry_pick) | |
4094 | cherry_pick = "git cherry-pick"; | |
4095 | ||
4096 | if (string_format(cmd, "%s %s", cherry_pick, commit->id)) { | |
d24ef76c | 4097 | open_external_viewer(cmd); |
226da94b JF |
4098 | } |
4099 | } | |
4100 | ||
586c423d JF |
4101 | static enum request |
4102 | main_request(struct view *view, enum request request, struct line *line) | |
b801d8b2 | 4103 | { |
b3a54cba JF |
4104 | enum open_flags flags = display[0] == view ? OPEN_SPLIT : OPEN_DEFAULT; |
4105 | ||
586c423d JF |
4106 | if (request == REQ_ENTER) |
4107 | open_view(view, REQ_VIEW_DIFF, flags); | |
226da94b JF |
4108 | else if (request == REQ_CHERRY_PICK) |
4109 | cherry_pick_commit(line->data); | |
586c423d JF |
4110 | else |
4111 | return request; | |
4112 | ||
4113 | return REQ_NONE; | |
b801d8b2 JF |
4114 | } |
4115 | ||
4af34daa JF |
4116 | static bool |
4117 | main_grep(struct view *view, struct line *line) | |
4118 | { | |
4119 | struct commit *commit = line->data; | |
4120 | enum { S_TITLE, S_AUTHOR, S_DATE, S_END } state; | |
4121 | char buf[DATE_COLS + 1]; | |
4122 | regmatch_t pmatch; | |
4123 | ||
4124 | for (state = S_TITLE; state < S_END; state++) { | |
4125 | char *text; | |
4126 | ||
4127 | switch (state) { | |
4128 | case S_TITLE: text = commit->title; break; | |
4129 | case S_AUTHOR: text = commit->author; break; | |
4130 | case S_DATE: | |
4131 | if (!strftime(buf, sizeof(buf), DATE_FORMAT, &commit->time)) | |
4132 | continue; | |
4133 | text = buf; | |
4134 | break; | |
4135 | ||
4136 | default: | |
4137 | return FALSE; | |
4138 | } | |
4139 | ||
b77b2cb8 | 4140 | if (regexec(view->regex, text, 1, &pmatch, 0) != REG_NOMATCH) |
4af34daa JF |
4141 | return TRUE; |
4142 | } | |
4143 | ||
4144 | return FALSE; | |
4145 | } | |
4146 | ||
d720de4b JF |
4147 | static void |
4148 | main_select(struct view *view, struct line *line) | |
4149 | { | |
4150 | struct commit *commit = line->data; | |
4151 | ||
2463b4ea JF |
4152 | string_copy_rev(view->ref, commit->id); |
4153 | string_copy_rev(ref_commit, view->ref); | |
d720de4b JF |
4154 | } |
4155 | ||
6b161b31 | 4156 | static struct view_ops main_ops = { |
6734f6b9 | 4157 | "commit", |
f098944b | 4158 | NULL, |
6b161b31 | 4159 | main_read, |
f098944b | 4160 | main_draw, |
586c423d | 4161 | main_request, |
4af34daa | 4162 | main_grep, |
d720de4b | 4163 | main_select, |
6b161b31 | 4164 | }; |
2e8488b4 | 4165 | |
c34d9c9f | 4166 | |
6b161b31 | 4167 | /* |
10e290ee JF |
4168 | * Unicode / UTF-8 handling |
4169 | * | |
4170 | * NOTE: Much of the following code for dealing with unicode is derived from | |
4171 | * ELinks' UTF-8 code developed by Scrool <scroolik@gmail.com>. Origin file is | |
4172 | * src/intl/charset.c from the utf8 branch commit elinks-0.11.0-g31f2c28. | |
4173 | */ | |
4174 | ||
4175 | /* I've (over)annotated a lot of code snippets because I am not entirely | |
4176 | * confident that the approach taken by this small UTF-8 interface is correct. | |
4177 | * --jonas */ | |
4178 | ||
4179 | static inline int | |
4180 | unicode_width(unsigned long c) | |
4181 | { | |
4182 | if (c >= 0x1100 && | |
4183 | (c <= 0x115f /* Hangul Jamo */ | |
4184 | || c == 0x2329 | |
4185 | || c == 0x232a | |
4186 | || (c >= 0x2e80 && c <= 0xa4cf && c != 0x303f) | |
f97f4012 | 4187 | /* CJK ... Yi */ |
10e290ee JF |
4188 | || (c >= 0xac00 && c <= 0xd7a3) /* Hangul Syllables */ |
4189 | || (c >= 0xf900 && c <= 0xfaff) /* CJK Compatibility Ideographs */ | |
4190 | || (c >= 0xfe30 && c <= 0xfe6f) /* CJK Compatibility Forms */ | |
4191 | || (c >= 0xff00 && c <= 0xff60) /* Fullwidth Forms */ | |
4192 | || (c >= 0xffe0 && c <= 0xffe6) | |
4193 | || (c >= 0x20000 && c <= 0x2fffd) | |
4194 | || (c >= 0x30000 && c <= 0x3fffd))) | |
4195 | return 2; | |
4196 | ||
4197 | return 1; | |
4198 | } | |
4199 | ||
4200 | /* Number of bytes used for encoding a UTF-8 character indexed by first byte. | |
4201 | * Illegal bytes are set one. */ | |
4202 | static const unsigned char utf8_bytes[256] = { | |
4203 | 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, | |
4204 | 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, | |
4205 | 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, | |
4206 | 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, | |
4207 | 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, | |
4208 | 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, | |
4209 | 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, | |
4210 | 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, | |
4211 | }; | |
4212 | ||
4213 | /* Decode UTF-8 multi-byte representation into a unicode character. */ | |
4214 | static inline unsigned long | |
4215 | utf8_to_unicode(const char *string, size_t length) | |
4216 | { | |
4217 | unsigned long unicode; | |
4218 | ||
4219 | switch (length) { | |
4220 | case 1: | |
4221 | unicode = string[0]; | |
4222 | break; | |
4223 | case 2: | |
4224 | unicode = (string[0] & 0x1f) << 6; | |
4225 | unicode += (string[1] & 0x3f); | |
4226 | break; | |
4227 | case 3: | |
4228 | unicode = (string[0] & 0x0f) << 12; | |
4229 | unicode += ((string[1] & 0x3f) << 6); | |
4230 | unicode += (string[2] & 0x3f); | |
4231 | break; | |
4232 | case 4: | |
4233 | unicode = (string[0] & 0x0f) << 18; | |
4234 | unicode += ((string[1] & 0x3f) << 12); | |
4235 | unicode += ((string[2] & 0x3f) << 6); | |
4236 | unicode += (string[3] & 0x3f); | |
4237 | break; | |
4238 | case 5: | |
4239 | unicode = (string[0] & 0x0f) << 24; | |
4240 | unicode += ((string[1] & 0x3f) << 18); | |
4241 | unicode += ((string[2] & 0x3f) << 12); | |
4242 | unicode += ((string[3] & 0x3f) << 6); | |
4243 | unicode += (string[4] & 0x3f); | |
4244 | break; | |
68b6e0eb | 4245 | case 6: |
10e290ee JF |
4246 | unicode = (string[0] & 0x01) << 30; |
4247 | unicode += ((string[1] & 0x3f) << 24); | |
4248 | unicode += ((string[2] & 0x3f) << 18); | |
4249 | unicode += ((string[3] & 0x3f) << 12); | |
4250 | unicode += ((string[4] & 0x3f) << 6); | |
4251 | unicode += (string[5] & 0x3f); | |
4252 | break; | |
4253 | default: | |
4254 | die("Invalid unicode length"); | |
4255 | } | |
4256 | ||
4257 | /* Invalid characters could return the special 0xfffd value but NUL | |
4258 | * should be just as good. */ | |
4259 | return unicode > 0xffff ? 0 : unicode; | |
4260 | } | |
4261 | ||
4262 | /* Calculates how much of string can be shown within the given maximum width | |
4263 | * and sets trimmed parameter to non-zero value if all of string could not be | |
4264 | * shown. | |
4265 | * | |
4266 | * Additionally, adds to coloffset how many many columns to move to align with | |
4267 | * the expected position. Takes into account how multi-byte and double-width | |
4268 | * characters will effect the cursor position. | |
4269 | * | |
4270 | * Returns the number of bytes to output from string to satisfy max_width. */ | |
4271 | static size_t | |
4272 | utf8_length(const char *string, size_t max_width, int *coloffset, int *trimmed) | |
4273 | { | |
4274 | const char *start = string; | |
4275 | const char *end = strchr(string, '\0'); | |
4276 | size_t mbwidth = 0; | |
4277 | size_t width = 0; | |
4278 | ||
4279 | *trimmed = 0; | |
4280 | ||
4281 | while (string < end) { | |
4282 | int c = *(unsigned char *) string; | |
4283 | unsigned char bytes = utf8_bytes[c]; | |
4284 | size_t ucwidth; | |
4285 | unsigned long unicode; | |
4286 | ||
4287 | if (string + bytes > end) | |
4288 | break; | |
4289 | ||
4290 | /* Change representation to figure out whether | |
4291 | * it is a single- or double-width character. */ | |
4292 | ||
4293 | unicode = utf8_to_unicode(string, bytes); | |
4294 | /* FIXME: Graceful handling of invalid unicode character. */ | |
4295 | if (!unicode) | |
4296 | break; | |
4297 | ||
4298 | ucwidth = unicode_width(unicode); | |
4299 | width += ucwidth; | |
4300 | if (width > max_width) { | |
4301 | *trimmed = 1; | |
4302 | break; | |
4303 | } | |
4304 | ||
4305 | /* The column offset collects the differences between the | |
4306 | * number of bytes encoding a character and the number of | |
4307 | * columns will be used for rendering said character. | |
4308 | * | |
4309 | * So if some character A is encoded in 2 bytes, but will be | |
4310 | * represented on the screen using only 1 byte this will and up | |
4311 | * adding 1 to the multi-byte column offset. | |
4312 | * | |
4313 | * Assumes that no double-width character can be encoding in | |
4314 | * less than two bytes. */ | |
4315 | if (bytes > ucwidth) | |
4316 | mbwidth += bytes - ucwidth; | |
4317 | ||
4318 | string += bytes; | |
4319 | } | |
4320 | ||
4321 | *coloffset += mbwidth; | |
4322 | ||
4323 | return string - start; | |
4324 | } | |
4325 | ||
4326 | ||
4327 | /* | |
6b161b31 JF |
4328 | * Status management |
4329 | */ | |
2e8488b4 | 4330 | |
8855ada4 | 4331 | /* Whether or not the curses interface has been initialized. */ |
68b6e0eb | 4332 | static bool cursed = FALSE; |
8855ada4 | 4333 | |
6b161b31 JF |
4334 | /* The status window is used for polling keystrokes. */ |
4335 | static WINDOW *status_win; | |
4a2909a7 | 4336 | |
21be28fb JF |
4337 | static bool status_empty = TRUE; |
4338 | ||
2e8488b4 | 4339 | /* Update status and title window. */ |
4a2909a7 JF |
4340 | static void |
4341 | report(const char *msg, ...) | |
4342 | { | |
6706b2ba | 4343 | struct view *view = display[current_view]; |
b76c2afc | 4344 | |
ab4af23e JF |
4345 | if (input_mode) |
4346 | return; | |
4347 | ||
c38c64bb JF |
4348 | if (!view) { |
4349 | char buf[SIZEOF_STR]; | |
4350 | va_list args; | |
4351 | ||
4352 | va_start(args, msg); | |
4353 | if (vsnprintf(buf, sizeof(buf), msg, args) >= sizeof(buf)) { | |
4354 | buf[sizeof(buf) - 1] = 0; | |
4355 | buf[sizeof(buf) - 2] = '.'; | |
4356 | buf[sizeof(buf) - 3] = '.'; | |
4357 | buf[sizeof(buf) - 4] = '.'; | |
4358 | } | |
4359 | va_end(args); | |
4360 | die("%s", buf); | |
4361 | } | |
4362 | ||
21be28fb | 4363 | if (!status_empty || *msg) { |
6706b2ba | 4364 | va_list args; |
4a2909a7 | 4365 | |
6706b2ba | 4366 | va_start(args, msg); |
4b76734f | 4367 | |
6706b2ba JF |
4368 | wmove(status_win, 0, 0); |
4369 | if (*msg) { | |
4370 | vwprintw(status_win, msg, args); | |
21be28fb | 4371 | status_empty = FALSE; |
6706b2ba | 4372 | } else { |
21be28fb | 4373 | status_empty = TRUE; |
6706b2ba | 4374 | } |
390a8262 | 4375 | wclrtoeol(status_win); |
6706b2ba | 4376 | wrefresh(status_win); |
b801d8b2 | 4377 | |
6706b2ba JF |
4378 | va_end(args); |
4379 | } | |
4380 | ||
4381 | update_view_title(view); | |
2bee3bde | 4382 | update_display_cursor(view); |
b801d8b2 JF |
4383 | } |
4384 | ||
6b161b31 JF |
4385 | /* Controls when nodelay should be in effect when polling user input. */ |
4386 | static void | |
1ba2ae4b | 4387 | set_nonblocking_input(bool loading) |
b801d8b2 | 4388 | { |
6706b2ba | 4389 | static unsigned int loading_views; |
b801d8b2 | 4390 | |
6706b2ba JF |
4391 | if ((loading == FALSE && loading_views-- == 1) || |
4392 | (loading == TRUE && loading_views++ == 0)) | |
1ba2ae4b | 4393 | nodelay(status_win, loading); |
6b161b31 JF |
4394 | } |
4395 | ||
4396 | static void | |
4397 | init_display(void) | |
4398 | { | |
4399 | int x, y; | |
b76c2afc | 4400 | |
6908bdbd JF |
4401 | /* Initialize the curses library */ |
4402 | if (isatty(STDIN_FILENO)) { | |
8855ada4 | 4403 | cursed = !!initscr(); |
6908bdbd JF |
4404 | } else { |
4405 | /* Leave stdin and stdout alone when acting as a pager. */ | |
4406 | FILE *io = fopen("/dev/tty", "r+"); | |
4407 | ||
e6f60674 JF |
4408 | if (!io) |
4409 | die("Failed to open /dev/tty"); | |
8855ada4 | 4410 | cursed = !!newterm(NULL, io, io); |
6908bdbd JF |
4411 | } |
4412 | ||
8855ada4 JF |
4413 | if (!cursed) |
4414 | die("Failed to initialize curses"); | |
4415 | ||
2e8488b4 JF |
4416 | nonl(); /* Tell curses not to do NL->CR/NL on output */ |
4417 | cbreak(); /* Take input chars one at a time, no wait for \n */ | |
4418 | noecho(); /* Don't echo input */ | |
b801d8b2 | 4419 | leaveok(stdscr, TRUE); |
b801d8b2 JF |
4420 | |
4421 | if (has_colors()) | |
4422 | init_colors(); | |
4423 | ||
4424 | getmaxyx(stdscr, y, x); | |
4425 | status_win = newwin(1, 0, y - 1, 0); | |
4426 | if (!status_win) | |
4427 | die("Failed to create status window"); | |
4428 | ||
4429 | /* Enable keyboard mapping */ | |
4430 | keypad(status_win, TRUE); | |
78c70acd | 4431 | wbkgdset(status_win, get_line_attr(LINE_STATUS)); |
6b161b31 JF |
4432 | } |
4433 | ||
4af34daa | 4434 | static char * |
cb9e48c1 | 4435 | read_prompt(const char *prompt) |
ef5404a4 JF |
4436 | { |
4437 | enum { READING, STOP, CANCEL } status = READING; | |
9e21ce5c | 4438 | static char buf[sizeof(opt_cmd) - STRING_SIZE("git \0")]; |
ef5404a4 JF |
4439 | int pos = 0; |
4440 | ||
4441 | while (status == READING) { | |
4442 | struct view *view; | |
4443 | int i, key; | |
4444 | ||
ab4af23e JF |
4445 | input_mode = TRUE; |
4446 | ||
699ae55b | 4447 | foreach_view (view, i) |
ef5404a4 JF |
4448 | update_view(view); |
4449 | ||
ab4af23e JF |
4450 | input_mode = FALSE; |
4451 | ||
4452 | mvwprintw(status_win, 0, 0, "%s%.*s", prompt, pos, buf); | |
4453 | wclrtoeol(status_win); | |
4454 | ||
ef5404a4 JF |
4455 | /* Refresh, accept single keystroke of input */ |
4456 | key = wgetch(status_win); | |
4457 | switch (key) { | |
4458 | case KEY_RETURN: | |
4459 | case KEY_ENTER: | |
4460 | case '\n': | |
4461 | status = pos ? STOP : CANCEL; | |
4462 | break; | |
4463 | ||
4464 | case KEY_BACKSPACE: | |
4465 | if (pos > 0) | |
4466 | pos--; | |
4467 | else | |
4468 | status = CANCEL; | |
4469 | break; | |
4470 | ||
4471 | case KEY_ESC: | |
4472 | status = CANCEL; | |
4473 | break; | |
4474 | ||
4475 | case ERR: | |
4476 | break; | |
4477 | ||
4478 | default: | |
4479 | if (pos >= sizeof(buf)) { | |
4480 | report("Input string too long"); | |
9e21ce5c | 4481 | return NULL; |
ef5404a4 JF |
4482 | } |
4483 | ||
4484 | if (isprint(key)) | |
4485 | buf[pos++] = (char) key; | |
4486 | } | |
4487 | } | |
4488 | ||
7a06ebdf JF |
4489 | /* Clear the status window */ |
4490 | status_empty = FALSE; | |
4491 | report(""); | |
4492 | ||
4493 | if (status == CANCEL) | |
9e21ce5c | 4494 | return NULL; |
ef5404a4 JF |
4495 | |
4496 | buf[pos++] = 0; | |
ef5404a4 | 4497 | |
9e21ce5c | 4498 | return buf; |
ef5404a4 | 4499 | } |
c34d9c9f JF |
4500 | |
4501 | /* | |
4502 | * Repository references | |
4503 | */ | |
4504 | ||
4505 | static struct ref *refs; | |
3a91b75e | 4506 | static size_t refs_size; |
c34d9c9f | 4507 | |
1307df1a JF |
4508 | /* Id <-> ref store */ |
4509 | static struct ref ***id_refs; | |
4510 | static size_t id_refs_size; | |
4511 | ||
c34d9c9f JF |
4512 | static struct ref ** |
4513 | get_refs(char *id) | |
4514 | { | |
1307df1a JF |
4515 | struct ref ***tmp_id_refs; |
4516 | struct ref **ref_list = NULL; | |
4517 | size_t ref_list_size = 0; | |
c34d9c9f JF |
4518 | size_t i; |
4519 | ||
1307df1a JF |
4520 | for (i = 0; i < id_refs_size; i++) |
4521 | if (!strcmp(id, id_refs[i][0]->id)) | |
4522 | return id_refs[i]; | |
4523 | ||
4524 | tmp_id_refs = realloc(id_refs, (id_refs_size + 1) * sizeof(*id_refs)); | |
4525 | if (!tmp_id_refs) | |
4526 | return NULL; | |
4527 | ||
4528 | id_refs = tmp_id_refs; | |
4529 | ||
c34d9c9f JF |
4530 | for (i = 0; i < refs_size; i++) { |
4531 | struct ref **tmp; | |
4532 | ||
4533 | if (strcmp(id, refs[i].id)) | |
4534 | continue; | |
4535 | ||
1307df1a | 4536 | tmp = realloc(ref_list, (ref_list_size + 1) * sizeof(*ref_list)); |
c34d9c9f | 4537 | if (!tmp) { |
1307df1a JF |
4538 | if (ref_list) |
4539 | free(ref_list); | |
c34d9c9f JF |
4540 | return NULL; |
4541 | } | |
4542 | ||
1307df1a JF |
4543 | ref_list = tmp; |
4544 | if (ref_list_size > 0) | |
4545 | ref_list[ref_list_size - 1]->next = 1; | |
4546 | ref_list[ref_list_size] = &refs[i]; | |
3af8774e JF |
4547 | |
4548 | /* XXX: The properties of the commit chains ensures that we can | |
4549 | * safely modify the shared ref. The repo references will | |
4550 | * always be similar for the same id. */ | |
1307df1a JF |
4551 | ref_list[ref_list_size]->next = 0; |
4552 | ref_list_size++; | |
c34d9c9f JF |
4553 | } |
4554 | ||
1307df1a JF |
4555 | if (ref_list) |
4556 | id_refs[id_refs_size++] = ref_list; | |
4557 | ||
4558 | return ref_list; | |
c34d9c9f JF |
4559 | } |
4560 | ||
4561 | static int | |
5699e0cf | 4562 | read_ref(char *id, size_t idlen, char *name, size_t namelen) |
c34d9c9f | 4563 | { |
d0cea5f9 JF |
4564 | struct ref *ref; |
4565 | bool tag = FALSE; | |
e15ec88e | 4566 | bool remote = FALSE; |
d0cea5f9 | 4567 | |
8b0297ae JF |
4568 | if (!strncmp(name, "refs/tags/", STRING_SIZE("refs/tags/"))) { |
4569 | /* Commits referenced by tags has "^{}" appended. */ | |
4570 | if (name[namelen - 1] != '}') | |
4571 | return OK; | |
4572 | ||
d0cea5f9 JF |
4573 | while (namelen > 0 && name[namelen] != '^') |
4574 | namelen--; | |
c34d9c9f | 4575 | |
d0cea5f9 | 4576 | tag = TRUE; |
8b0297ae JF |
4577 | namelen -= STRING_SIZE("refs/tags/"); |
4578 | name += STRING_SIZE("refs/tags/"); | |
c34d9c9f | 4579 | |
e15ec88e JF |
4580 | } else if (!strncmp(name, "refs/remotes/", STRING_SIZE("refs/remotes/"))) { |
4581 | remote = TRUE; | |
4582 | namelen -= STRING_SIZE("refs/remotes/"); | |
4583 | name += STRING_SIZE("refs/remotes/"); | |
4584 | ||
d0cea5f9 | 4585 | } else if (!strncmp(name, "refs/heads/", STRING_SIZE("refs/heads/"))) { |
8b0297ae JF |
4586 | namelen -= STRING_SIZE("refs/heads/"); |
4587 | name += STRING_SIZE("refs/heads/"); | |
c34d9c9f | 4588 | |
d0cea5f9 JF |
4589 | } else if (!strcmp(name, "HEAD")) { |
4590 | return OK; | |
4591 | } | |
6706b2ba | 4592 | |
d0cea5f9 JF |
4593 | refs = realloc(refs, sizeof(*refs) * (refs_size + 1)); |
4594 | if (!refs) | |
4595 | return ERR; | |
c34d9c9f | 4596 | |
d0cea5f9 | 4597 | ref = &refs[refs_size++]; |
8b0297ae | 4598 | ref->name = malloc(namelen + 1); |
d0cea5f9 JF |
4599 | if (!ref->name) |
4600 | return ERR; | |
3af8774e | 4601 | |
8b0297ae JF |
4602 | strncpy(ref->name, name, namelen); |
4603 | ref->name[namelen] = 0; | |
d0cea5f9 | 4604 | ref->tag = tag; |
e15ec88e | 4605 | ref->remote = remote; |
2463b4ea | 4606 | string_copy_rev(ref->id, id); |
3af8774e | 4607 | |
d0cea5f9 JF |
4608 | return OK; |
4609 | } | |
c34d9c9f | 4610 | |
d0cea5f9 JF |
4611 | static int |
4612 | load_refs(void) | |
4613 | { | |
4614 | const char *cmd_env = getenv("TIG_LS_REMOTE"); | |
4615 | const char *cmd = cmd_env && *cmd_env ? cmd_env : TIG_LS_REMOTE; | |
c34d9c9f | 4616 | |
4a63c884 | 4617 | return read_properties(popen(cmd, "r"), "\t", read_ref); |
d0cea5f9 | 4618 | } |
c34d9c9f | 4619 | |
d0cea5f9 | 4620 | static int |
5699e0cf | 4621 | read_repo_config_option(char *name, size_t namelen, char *value, size_t valuelen) |
d0cea5f9 | 4622 | { |
22913179 | 4623 | if (!strcmp(name, "i18n.commitencoding")) |
739e81de | 4624 | string_ncopy(opt_encoding, value, valuelen); |
c34d9c9f | 4625 | |
0cea0d43 JF |
4626 | if (!strcmp(name, "core.editor")) |
4627 | string_ncopy(opt_editor, value, valuelen); | |
4628 | ||
c34d9c9f JF |
4629 | return OK; |
4630 | } | |
4631 | ||
4670cf89 | 4632 | static int |
14c778a6 | 4633 | load_repo_config(void) |
4670cf89 | 4634 | { |
96e58f5b | 4635 | return read_properties(popen(GIT_CONFIG " --list", "r"), |
14c778a6 | 4636 | "=", read_repo_config_option); |
d0cea5f9 JF |
4637 | } |
4638 | ||
4639 | static int | |
5699e0cf | 4640 | read_repo_info(char *name, size_t namelen, char *value, size_t valuelen) |
91c5d983 | 4641 | { |
c38c64bb | 4642 | if (!opt_git_dir[0]) { |
810f0078 | 4643 | string_ncopy(opt_git_dir, name, namelen); |
c38c64bb JF |
4644 | |
4645 | } else if (opt_is_inside_work_tree == -1) { | |
4646 | /* This can be 3 different values depending on the | |
4647 | * version of git being used. If git-rev-parse does not | |
4648 | * understand --is-inside-work-tree it will simply echo | |
4649 | * the option else either "true" or "false" is printed. | |
4650 | * Default to true for the unknown case. */ | |
4651 | opt_is_inside_work_tree = strcmp(name, "false") ? TRUE : FALSE; | |
4652 | ||
4653 | } else { | |
739e81de | 4654 | string_ncopy(opt_cdup, name, namelen); |
c38c64bb JF |
4655 | } |
4656 | ||
91c5d983 JF |
4657 | return OK; |
4658 | } | |
4659 | ||
810f0078 JF |
4660 | /* XXX: The line outputted by "--show-cdup" can be empty so the option |
4661 | * must be the last one! */ | |
91c5d983 JF |
4662 | static int |
4663 | load_repo_info(void) | |
4664 | { | |
c38c64bb | 4665 | return read_properties(popen("git rev-parse --git-dir --is-inside-work-tree --show-cdup 2>/dev/null", "r"), |
91c5d983 JF |
4666 | "=", read_repo_info); |
4667 | } | |
4668 | ||
4669 | static int | |
4a63c884 | 4670 | read_properties(FILE *pipe, const char *separators, |
5699e0cf | 4671 | int (*read_property)(char *, size_t, char *, size_t)) |
d0cea5f9 | 4672 | { |
4670cf89 JF |
4673 | char buffer[BUFSIZ]; |
4674 | char *name; | |
d0cea5f9 | 4675 | int state = OK; |
4670cf89 JF |
4676 | |
4677 | if (!pipe) | |
4678 | return ERR; | |
4679 | ||
d0cea5f9 | 4680 | while (state == OK && (name = fgets(buffer, sizeof(buffer), pipe))) { |
4a63c884 JF |
4681 | char *value; |
4682 | size_t namelen; | |
4683 | size_t valuelen; | |
4670cf89 | 4684 | |
4a63c884 JF |
4685 | name = chomp_string(name); |
4686 | namelen = strcspn(name, separators); | |
4687 | ||
4688 | if (name[namelen]) { | |
4689 | name[namelen] = 0; | |
4690 | value = chomp_string(name + namelen + 1); | |
d0cea5f9 | 4691 | valuelen = strlen(value); |
4670cf89 | 4692 | |
d0cea5f9 | 4693 | } else { |
d0cea5f9 JF |
4694 | value = ""; |
4695 | valuelen = 0; | |
4670cf89 | 4696 | } |
d0cea5f9 | 4697 | |
3c3801c2 | 4698 | state = read_property(name, namelen, value, valuelen); |
4670cf89 JF |
4699 | } |
4700 | ||
d0cea5f9 JF |
4701 | if (state != ERR && ferror(pipe)) |
4702 | state = ERR; | |
4670cf89 JF |
4703 | |
4704 | pclose(pipe); | |
4705 | ||
d0cea5f9 | 4706 | return state; |
4670cf89 JF |
4707 | } |
4708 | ||
d0cea5f9 | 4709 | |
6b161b31 JF |
4710 | /* |
4711 | * Main | |
4712 | */ | |
4713 | ||
b5c9e67f | 4714 | static void __NORETURN |
6b161b31 JF |
4715 | quit(int sig) |
4716 | { | |
8855ada4 JF |
4717 | /* XXX: Restore tty modes and let the OS cleanup the rest! */ |
4718 | if (cursed) | |
4719 | endwin(); | |
6b161b31 JF |
4720 | exit(0); |
4721 | } | |
4722 | ||
c6704a4e JF |
4723 | static void __NORETURN |
4724 | die(const char *err, ...) | |
6b161b31 JF |
4725 | { |
4726 | va_list args; | |
4727 | ||
4728 | endwin(); | |
4729 | ||
4730 | va_start(args, err); | |
4731 | fputs("tig: ", stderr); | |
4732 | vfprintf(stderr, err, args); | |
4733 | fputs("\n", stderr); | |
4734 | va_end(args); | |
4735 | ||
4736 | exit(1); | |
4737 | } | |
4738 | ||
4739 | int | |
4740 | main(int argc, char *argv[]) | |
4741 | { | |
1ba2ae4b | 4742 | struct view *view; |
6b161b31 | 4743 | enum request request; |
1ba2ae4b | 4744 | size_t i; |
6b161b31 JF |
4745 | |
4746 | signal(SIGINT, quit); | |
4747 | ||
6b68fd24 | 4748 | if (setlocale(LC_ALL, "")) { |
739e81de JF |
4749 | char *codeset = nl_langinfo(CODESET); |
4750 | ||
4751 | string_ncopy(opt_codeset, codeset, strlen(codeset)); | |
6b68fd24 JF |
4752 | } |
4753 | ||
e0f50df0 JF |
4754 | if (load_repo_info() == ERR) |
4755 | die("Failed to load repo info."); | |
4756 | ||
660e09ad JF |
4757 | if (load_options() == ERR) |
4758 | die("Failed to load user config."); | |
4759 | ||
4760 | /* Load the repo config file so options can be overwritten from | |
739e81de | 4761 | * the command line. */ |
14c778a6 | 4762 | if (load_repo_config() == ERR) |
afdc35b3 | 4763 | die("Failed to load repo config."); |
91c5d983 | 4764 | |
8855ada4 | 4765 | if (!parse_options(argc, argv)) |
6b161b31 JF |
4766 | return 0; |
4767 | ||
58a5e4ea JF |
4768 | /* Require a git repository unless when running in pager mode. */ |
4769 | if (!opt_git_dir[0]) | |
4770 | die("Not a git repository"); | |
4771 | ||
6b68fd24 JF |
4772 | if (*opt_codeset && strcmp(opt_codeset, opt_encoding)) { |
4773 | opt_iconv = iconv_open(opt_codeset, opt_encoding); | |
20f4b4a3 | 4774 | if (opt_iconv == ICONV_NONE) |
6b68fd24 JF |
4775 | die("Failed to initialize character set conversion"); |
4776 | } | |
4777 | ||
c34d9c9f JF |
4778 | if (load_refs() == ERR) |
4779 | die("Failed to load refs."); | |
4780 | ||
1ba2ae4b JF |
4781 | for (i = 0; i < ARRAY_SIZE(views) && (view = &views[i]); i++) |
4782 | view->cmd_env = getenv(view->cmd_env); | |
4783 | ||
6b161b31 JF |
4784 | request = opt_request; |
4785 | ||
4786 | init_display(); | |
b801d8b2 JF |
4787 | |
4788 | while (view_driver(display[current_view], request)) { | |
6b161b31 | 4789 | int key; |
b801d8b2 JF |
4790 | int i; |
4791 | ||
699ae55b | 4792 | foreach_view (view, i) |
6b161b31 | 4793 | update_view(view); |
b801d8b2 JF |
4794 | |
4795 | /* Refresh, accept single keystroke of input */ | |
6b161b31 | 4796 | key = wgetch(status_win); |
04e2b7b2 | 4797 | |
cf4d82e6 JF |
4798 | /* wgetch() with nodelay() enabled returns ERR when there's no |
4799 | * input. */ | |
4800 | if (key == ERR) { | |
4801 | request = REQ_NONE; | |
8b534a13 | 4802 | continue; |
cf4d82e6 | 4803 | } |
04e2b7b2 JF |
4804 | |
4805 | request = get_keybinding(display[current_view]->keymap, key); | |
03a93dbb | 4806 | |
6706b2ba | 4807 | /* Some low-level request handling. This keeps access to |
fac7db6c JF |
4808 | * status_win restricted. */ |
4809 | switch (request) { | |
4810 | case REQ_PROMPT: | |
9e21ce5c JF |
4811 | { |
4812 | char *cmd = read_prompt(":"); | |
4813 | ||
4814 | if (cmd && string_format(opt_cmd, "git %s", cmd)) { | |
4815 | if (strncmp(cmd, "show", 4) && isspace(cmd[4])) { | |
4816 | opt_request = REQ_VIEW_DIFF; | |
4817 | } else { | |
4818 | opt_request = REQ_VIEW_PAGER; | |
4819 | } | |
4820 | break; | |
4821 | } | |
fac7db6c | 4822 | |
1d754561 | 4823 | request = REQ_NONE; |
9e21ce5c JF |
4824 | break; |
4825 | } | |
4af34daa JF |
4826 | case REQ_SEARCH: |
4827 | case REQ_SEARCH_BACK: | |
4828 | { | |
4829 | const char *prompt = request == REQ_SEARCH | |
4830 | ? "/" : "?"; | |
4831 | char *search = read_prompt(prompt); | |
4832 | ||
4833 | if (search) | |
739e81de | 4834 | string_ncopy(opt_search, search, strlen(search)); |
4af34daa JF |
4835 | else |
4836 | request = REQ_NONE; | |
4837 | break; | |
4838 | } | |
fac7db6c JF |
4839 | case REQ_SCREEN_RESIZE: |
4840 | { | |
4841 | int height, width; | |
4842 | ||
4843 | getmaxyx(stdscr, height, width); | |
4844 | ||
4845 | /* Resize the status view and let the view driver take | |
4846 | * care of resizing the displayed views. */ | |
4847 | wresize(status_win, 1, width); | |
4848 | mvwin(status_win, height - 1, 0); | |
4849 | wrefresh(status_win); | |
4850 | break; | |
4851 | } | |
4852 | default: | |
4853 | break; | |
03a93dbb | 4854 | } |
b801d8b2 JF |
4855 | } |
4856 | ||
4857 | quit(0); | |
4858 | ||
4859 | return 0; | |
4860 | } |