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 \ | |
8897e66a | 108 | "git show --no-color --root --patch-with-stat --find-copies-harder -B -C %s 2>/dev/null" |
8eb62770 JF |
109 | |
110 | #define TIG_LOG_CMD \ | |
8897e66a | 111 | "git log --no-color --cc --stat -n100 %s 2>/dev/null" |
8eb62770 JF |
112 | |
113 | #define TIG_MAIN_CMD \ | |
8897e66a | 114 | "git log --no-color --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 JF |
345 | REQ_GROUP("Misc") \ |
346 | REQ_(PROMPT, "Bring up the prompt"), \ | |
24b5b3e0 JF |
347 | REQ_(SCREEN_REDRAW, "Redraw the screen"), \ |
348 | REQ_(SCREEN_RESIZE, "Resize the screen"), \ | |
349 | REQ_(SHOW_VERSION, "Show version information"), \ | |
350 | REQ_(STOP_LOADING, "Stop all loading views"), \ | |
54efb62b | 351 | REQ_(TOGGLE_LINENO, "Toggle line numbers"), \ |
ca1d71ea | 352 | REQ_(TOGGLE_REV_GRAPH, "Toggle revision graph visualization"), \ |
0cea0d43 | 353 | REQ_(STATUS_UPDATE, "Update file status"), \ |
b5c18d9d | 354 | REQ_(STATUS_MERGE, "Merge file using external tool"), \ |
c509eed2 | 355 | REQ_(TREE_PARENT, "Switch to parent directory in tree view"), \ |
226da94b | 356 | REQ_(EDIT, "Open in editor"), \ |
d31a629d | 357 | REQ_(NONE, "Do nothing") |
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, | |
d31a629d | 367 | REQ_INFO |
24b5b3e0 JF |
368 | |
369 | #undef REQ_GROUP | |
370 | #undef REQ_ | |
371 | }; | |
372 | ||
373 | struct request_info { | |
374 | enum request request; | |
04e2b7b2 JF |
375 | char *name; |
376 | int namelen; | |
24b5b3e0 JF |
377 | char *help; |
378 | }; | |
379 | ||
380 | static struct request_info req_info[] = { | |
04e2b7b2 JF |
381 | #define REQ_GROUP(help) { 0, NULL, 0, (help) }, |
382 | #define REQ_(req, help) { REQ_##req, (#req), STRING_SIZE(#req), (help) } | |
24b5b3e0 JF |
383 | REQ_INFO |
384 | #undef REQ_GROUP | |
385 | #undef REQ_ | |
386 | }; | |
387 | ||
04e2b7b2 JF |
388 | static enum request |
389 | get_request(const char *name) | |
390 | { | |
391 | int namelen = strlen(name); | |
392 | int i; | |
393 | ||
394 | for (i = 0; i < ARRAY_SIZE(req_info); i++) | |
395 | if (req_info[i].namelen == namelen && | |
396 | !string_enum_compare(req_info[i].name, name, namelen)) | |
397 | return req_info[i].request; | |
398 | ||
d31a629d | 399 | return REQ_NONE; |
04e2b7b2 JF |
400 | } |
401 | ||
402 | ||
8eb62770 JF |
403 | /* |
404 | * Options | |
405 | */ | |
b76c2afc | 406 | |
4b8c01a3 | 407 | static const char usage[] = |
ec31d0d0 | 408 | "tig " TIG_VERSION " (" __DATE__ ")\n" |
4b8c01a3 JF |
409 | "\n" |
410 | "Usage: tig [options]\n" | |
411 | " or: tig [options] [--] [git log options]\n" | |
412 | " or: tig [options] log [git log options]\n" | |
413 | " or: tig [options] diff [git diff options]\n" | |
414 | " or: tig [options] show [git show options]\n" | |
415 | " or: tig [options] < [git command output]\n" | |
416 | "\n" | |
417 | "Options:\n" | |
418 | " -l Start up in log view\n" | |
419 | " -d Start up in diff view\n" | |
173d76ea | 420 | " -S Start up in status view\n" |
4b8c01a3 | 421 | " -n[I], --line-number[=I] Show line numbers with given interval\n" |
b3c965c9 | 422 | " -b[N], --tab-size[=N] Set number of spaces for tab expansion\n" |
4b8c01a3 JF |
423 | " -- Mark end of tig options\n" |
424 | " -v, --version Show version and exit\n" | |
425 | " -h, --help Show help message and exit\n"; | |
426 | ||
6706b2ba | 427 | /* Option and state variables. */ |
92d30f5c | 428 | static bool opt_line_number = FALSE; |
11ce319e | 429 | static bool opt_rev_graph = FALSE; |
92d30f5c JF |
430 | static int opt_num_interval = NUMBER_INTERVAL; |
431 | static int opt_tab_size = TABSIZE; | |
432 | static enum request opt_request = REQ_VIEW_MAIN; | |
433 | static char opt_cmd[SIZEOF_STR] = ""; | |
e733ee54 | 434 | static char opt_path[SIZEOF_STR] = ""; |
92d30f5c JF |
435 | static FILE *opt_pipe = NULL; |
436 | static char opt_encoding[20] = "UTF-8"; | |
437 | static bool opt_utf8 = TRUE; | |
438 | static char opt_codeset[20] = "UTF-8"; | |
439 | static iconv_t opt_iconv = ICONV_NONE; | |
440 | static char opt_search[SIZEOF_STR] = ""; | |
91c5d983 | 441 | static char opt_cdup[SIZEOF_STR] = ""; |
810f0078 | 442 | static char opt_git_dir[SIZEOF_STR] = ""; |
c38c64bb | 443 | static char opt_is_inside_work_tree = -1; /* set to TRUE or FALSE */ |
0cea0d43 | 444 | static char opt_editor[SIZEOF_STR] = ""; |
b76c2afc | 445 | |
6dbf6c19 JF |
446 | enum option_type { |
447 | OPT_NONE, | |
448 | OPT_INT, | |
449 | }; | |
450 | ||
451 | static bool | |
452 | check_option(char *opt, char short_name, char *name, enum option_type type, ...) | |
453 | { | |
454 | va_list args; | |
455 | char *value = ""; | |
456 | int *number; | |
457 | ||
458 | if (opt[0] != '-') | |
459 | return FALSE; | |
460 | ||
461 | if (opt[1] == '-') { | |
462 | int namelen = strlen(name); | |
463 | ||
464 | opt += 2; | |
465 | ||
466 | if (strncmp(opt, name, namelen)) | |
467 | return FALSE; | |
468 | ||
469 | if (opt[namelen] == '=') | |
470 | value = opt + namelen + 1; | |
471 | ||
472 | } else { | |
473 | if (!short_name || opt[1] != short_name) | |
474 | return FALSE; | |
475 | value = opt + 2; | |
476 | } | |
477 | ||
478 | va_start(args, type); | |
479 | if (type == OPT_INT) { | |
480 | number = va_arg(args, int *); | |
481 | if (isdigit(*value)) | |
482 | *number = atoi(value); | |
483 | } | |
484 | va_end(args); | |
485 | ||
486 | return TRUE; | |
487 | } | |
488 | ||
b76c2afc | 489 | /* Returns the index of log or diff command or -1 to exit. */ |
8855ada4 | 490 | static bool |
b76c2afc JF |
491 | parse_options(int argc, char *argv[]) |
492 | { | |
493 | int i; | |
494 | ||
495 | for (i = 1; i < argc; i++) { | |
496 | char *opt = argv[i]; | |
497 | ||
3621d94e JF |
498 | if (!strcmp(opt, "log") || |
499 | !strcmp(opt, "diff") || | |
500 | !strcmp(opt, "show")) { | |
501 | opt_request = opt[0] == 'l' | |
502 | ? REQ_VIEW_LOG : REQ_VIEW_DIFF; | |
503 | break; | |
504 | } | |
505 | ||
8d27b36e JF |
506 | if (opt[0] && opt[0] != '-') |
507 | break; | |
508 | ||
bfe97931 JF |
509 | if (!strcmp(opt, "--")) { |
510 | i++; | |
511 | break; | |
512 | } | |
513 | ||
514 | if (check_option(opt, 'v', "version", OPT_NONE)) { | |
515 | printf("tig version %s\n", TIG_VERSION); | |
516 | return FALSE; | |
517 | } | |
518 | ||
519 | if (check_option(opt, 'h', "help", OPT_NONE)) { | |
520 | printf(usage); | |
521 | return FALSE; | |
522 | } | |
523 | ||
524 | if (!strcmp(opt, "-S")) { | |
525 | opt_request = REQ_VIEW_STATUS; | |
526 | continue; | |
527 | } | |
528 | ||
6b161b31 | 529 | if (!strcmp(opt, "-l")) { |
4a2909a7 | 530 | opt_request = REQ_VIEW_LOG; |
6b161b31 JF |
531 | continue; |
532 | } | |
b76c2afc | 533 | |
6b161b31 | 534 | if (!strcmp(opt, "-d")) { |
4a2909a7 | 535 | opt_request = REQ_VIEW_DIFF; |
6b161b31 JF |
536 | continue; |
537 | } | |
b76c2afc | 538 | |
6dbf6c19 | 539 | if (check_option(opt, 'n', "line-number", OPT_INT, &opt_num_interval)) { |
6b161b31 JF |
540 | opt_line_number = TRUE; |
541 | continue; | |
542 | } | |
b76c2afc | 543 | |
6dbf6c19 JF |
544 | if (check_option(opt, 'b', "tab-size", OPT_INT, &opt_tab_size)) { |
545 | opt_tab_size = MIN(opt_tab_size, TABSIZE); | |
6706b2ba JF |
546 | continue; |
547 | } | |
548 | ||
bf174187 | 549 | die("unknown option '%s'\n\n%s", opt, usage); |
b76c2afc JF |
550 | } |
551 | ||
6908bdbd | 552 | if (!isatty(STDIN_FILENO)) { |
6908bdbd JF |
553 | opt_request = REQ_VIEW_PAGER; |
554 | opt_pipe = stdin; | |
555 | ||
556 | } else if (i < argc) { | |
557 | size_t buf_size; | |
558 | ||
6908bdbd | 559 | if (opt_request == REQ_VIEW_MAIN) |
8855ada4 JF |
560 | /* XXX: This is vulnerable to the user overriding |
561 | * options required for the main view parser. */ | |
8897e66a | 562 | string_copy(opt_cmd, "git log --no-color --pretty=raw"); |
6908bdbd JF |
563 | else |
564 | string_copy(opt_cmd, "git"); | |
565 | buf_size = strlen(opt_cmd); | |
566 | ||
567 | while (buf_size < sizeof(opt_cmd) && i < argc) { | |
568 | opt_cmd[buf_size++] = ' '; | |
569 | buf_size = sq_quote(opt_cmd, buf_size, argv[i++]); | |
570 | } | |
571 | ||
572 | if (buf_size >= sizeof(opt_cmd)) | |
573 | die("command too long"); | |
574 | ||
575 | opt_cmd[buf_size] = 0; | |
6908bdbd JF |
576 | } |
577 | ||
afdc35b3 JF |
578 | if (*opt_encoding && strcasecmp(opt_encoding, "UTF-8")) |
579 | opt_utf8 = FALSE; | |
580 | ||
8855ada4 | 581 | return TRUE; |
b76c2afc JF |
582 | } |
583 | ||
584 | ||
54efb62b JF |
585 | /* |
586 | * Line-oriented content detection. | |
587 | */ | |
588 | ||
2e8488b4 | 589 | #define LINE_INFO \ |
660e09ad | 590 | LINE(DIFF_HEADER, "diff --git ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ |
a28bcc22 JF |
591 | LINE(DIFF_CHUNK, "@@", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
592 | LINE(DIFF_ADD, "+", COLOR_GREEN, COLOR_DEFAULT, 0), \ | |
593 | LINE(DIFF_DEL, "-", COLOR_RED, COLOR_DEFAULT, 0), \ | |
660e09ad JF |
594 | LINE(DIFF_INDEX, "index ", COLOR_BLUE, COLOR_DEFAULT, 0), \ |
595 | LINE(DIFF_OLDMODE, "old file mode ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
596 | LINE(DIFF_NEWMODE, "new file mode ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
597 | LINE(DIFF_COPY_FROM, "copy from", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
598 | LINE(DIFF_COPY_TO, "copy to", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
599 | LINE(DIFF_RENAME_FROM, "rename from", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
600 | LINE(DIFF_RENAME_TO, "rename to", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
601 | LINE(DIFF_SIMILARITY, "similarity ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
602 | LINE(DIFF_DISSIMILARITY,"dissimilarity ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
603 | LINE(DIFF_TREE, "diff-tree ", COLOR_BLUE, COLOR_DEFAULT, 0), \ | |
6908bdbd | 604 | LINE(PP_AUTHOR, "Author: ", COLOR_CYAN, COLOR_DEFAULT, 0), \ |
8855ada4 | 605 | LINE(PP_COMMIT, "Commit: ", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
6908bdbd JF |
606 | LINE(PP_MERGE, "Merge: ", COLOR_BLUE, COLOR_DEFAULT, 0), \ |
607 | LINE(PP_DATE, "Date: ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
8855ada4 JF |
608 | LINE(PP_ADATE, "AuthorDate: ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ |
609 | LINE(PP_CDATE, "CommitDate: ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
7b99a34c | 610 | LINE(PP_REFS, "Refs: ", COLOR_RED, COLOR_DEFAULT, 0), \ |
a28bcc22 JF |
611 | LINE(COMMIT, "commit ", COLOR_GREEN, COLOR_DEFAULT, 0), \ |
612 | LINE(PARENT, "parent ", COLOR_BLUE, COLOR_DEFAULT, 0), \ | |
613 | LINE(TREE, "tree ", COLOR_BLUE, COLOR_DEFAULT, 0), \ | |
8855ada4 | 614 | LINE(AUTHOR, "author ", COLOR_CYAN, COLOR_DEFAULT, 0), \ |
a28bcc22 | 615 | LINE(COMMITTER, "committer ", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
a28bcc22 | 616 | LINE(SIGNOFF, " Signed-off-by", COLOR_YELLOW, COLOR_DEFAULT, 0), \ |
d4d8de8f | 617 | LINE(ACKED, " Acked-by", COLOR_YELLOW, COLOR_DEFAULT, 0), \ |
a28bcc22 JF |
618 | LINE(DEFAULT, "", COLOR_DEFAULT, COLOR_DEFAULT, A_NORMAL), \ |
619 | LINE(CURSOR, "", COLOR_WHITE, COLOR_GREEN, A_BOLD), \ | |
620 | LINE(STATUS, "", COLOR_GREEN, COLOR_DEFAULT, 0), \ | |
6b161b31 JF |
621 | LINE(TITLE_BLUR, "", COLOR_WHITE, COLOR_BLUE, 0), \ |
622 | LINE(TITLE_FOCUS, "", COLOR_WHITE, COLOR_BLUE, A_BOLD), \ | |
a28bcc22 JF |
623 | LINE(MAIN_DATE, "", COLOR_BLUE, COLOR_DEFAULT, 0), \ |
624 | LINE(MAIN_AUTHOR, "", COLOR_GREEN, COLOR_DEFAULT, 0), \ | |
625 | LINE(MAIN_COMMIT, "", COLOR_DEFAULT, COLOR_DEFAULT, 0), \ | |
c34d9c9f JF |
626 | LINE(MAIN_DELIM, "", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
627 | LINE(MAIN_TAG, "", COLOR_MAGENTA, COLOR_DEFAULT, A_BOLD), \ | |
e15ec88e | 628 | LINE(MAIN_REMOTE, "", COLOR_YELLOW, COLOR_DEFAULT, A_BOLD), \ |
660e09ad | 629 | LINE(MAIN_REF, "", COLOR_CYAN, COLOR_DEFAULT, A_BOLD), \ |
f83b1c33 | 630 | LINE(MAIN_REVGRAPH,"", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
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 }, |
c509eed2 | 792 | { ',', REQ_TREE_PARENT }, |
0cea0d43 | 793 | { 'e', REQ_EDIT }, |
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 | 918 | static char * |
9eb14b72 JF |
919 | get_key_name(int key_value) |
920 | { | |
921 | static char key_char[] = "'X'"; | |
922 | char *seq = NULL; | |
923 | int key; | |
924 | ||
925 | for (key = 0; key < ARRAY_SIZE(key_table); key++) | |
926 | if (key_table[key].value == key_value) | |
927 | seq = key_table[key].name; | |
928 | ||
929 | if (seq == NULL && | |
930 | key_value < 127 && | |
931 | isprint(key_value)) { | |
932 | key_char[1] = (char) key_value; | |
933 | seq = key_char; | |
934 | } | |
935 | ||
936 | return seq ? seq : "'?'"; | |
937 | } | |
938 | ||
939 | static char * | |
37157fa0 JF |
940 | get_key(enum request request) |
941 | { | |
942 | static char buf[BUFSIZ]; | |
d65ced0d | 943 | size_t pos = 0; |
520094b4 | 944 | char *sep = ""; |
37157fa0 JF |
945 | int i; |
946 | ||
947 | buf[pos] = 0; | |
948 | ||
93a97d86 JF |
949 | for (i = 0; i < ARRAY_SIZE(default_keybindings); i++) { |
950 | struct keybinding *keybinding = &default_keybindings[i]; | |
37157fa0 | 951 | |
93a97d86 | 952 | if (keybinding->request != request) |
37157fa0 JF |
953 | continue; |
954 | ||
738bee4a JF |
955 | if (!string_format_from(buf, &pos, "%s%s", sep, |
956 | get_key_name(keybinding->alias))) | |
37157fa0 JF |
957 | return "Too many keybindings!"; |
958 | sep = ", "; | |
959 | } | |
960 | ||
961 | return buf; | |
962 | } | |
963 | ||
9eb14b72 JF |
964 | struct run_request { |
965 | enum keymap keymap; | |
966 | int key; | |
967 | char cmd[SIZEOF_STR]; | |
968 | }; | |
969 | ||
970 | static struct run_request *run_request; | |
971 | static size_t run_requests; | |
972 | ||
973 | static enum request | |
974 | add_run_request(enum keymap keymap, int key, int argc, char **argv) | |
975 | { | |
976 | struct run_request *tmp; | |
977 | struct run_request req = { keymap, key }; | |
978 | size_t bufpos; | |
979 | ||
980 | for (bufpos = 0; argc > 0; argc--, argv++) | |
981 | if (!string_format_from(req.cmd, &bufpos, "%s ", *argv)) | |
982 | return REQ_NONE; | |
983 | ||
984 | req.cmd[bufpos - 1] = 0; | |
985 | ||
986 | tmp = realloc(run_request, (run_requests + 1) * sizeof(*run_request)); | |
987 | if (!tmp) | |
988 | return REQ_NONE; | |
989 | ||
990 | run_request = tmp; | |
991 | run_request[run_requests++] = req; | |
992 | ||
993 | return REQ_NONE + run_requests; | |
994 | } | |
995 | ||
996 | static struct run_request * | |
997 | get_run_request(enum request request) | |
998 | { | |
999 | if (request <= REQ_NONE) | |
1000 | return NULL; | |
1001 | return &run_request[request - REQ_NONE - 1]; | |
1002 | } | |
37157fa0 | 1003 | |
f655964f JF |
1004 | static void |
1005 | add_builtin_run_requests(void) | |
1006 | { | |
1007 | struct { | |
1008 | enum keymap keymap; | |
1009 | int key; | |
1010 | char *argv[1]; | |
1011 | } reqs[] = { | |
1012 | { KEYMAP_MAIN, 'C', { "git cherry-pick %(commit)" } }, | |
1013 | { KEYMAP_GENERIC, 'G', { "git gc" } }, | |
1014 | }; | |
1015 | int i; | |
1016 | ||
1017 | for (i = 0; i < ARRAY_SIZE(reqs); i++) { | |
1018 | enum request req; | |
1019 | ||
1020 | req = add_run_request(reqs[i].keymap, reqs[i].key, 1, reqs[i].argv); | |
1021 | if (req != REQ_NONE) | |
1022 | add_keybinding(reqs[i].keymap, req, reqs[i].key); | |
1023 | } | |
1024 | } | |
1025 | ||
37157fa0 | 1026 | /* |
1899507c JF |
1027 | * User config file handling. |
1028 | */ | |
1029 | ||
5dc795f2 JF |
1030 | static struct int_map color_map[] = { |
1031 | #define COLOR_MAP(name) { #name, STRING_SIZE(#name), COLOR_##name } | |
1032 | COLOR_MAP(DEFAULT), | |
1033 | COLOR_MAP(BLACK), | |
1034 | COLOR_MAP(BLUE), | |
1035 | COLOR_MAP(CYAN), | |
1036 | COLOR_MAP(GREEN), | |
1037 | COLOR_MAP(MAGENTA), | |
1038 | COLOR_MAP(RED), | |
1039 | COLOR_MAP(WHITE), | |
1040 | COLOR_MAP(YELLOW), | |
1041 | }; | |
1042 | ||
9256ab05 JF |
1043 | #define set_color(color, name) \ |
1044 | set_from_int_map(color_map, ARRAY_SIZE(color_map), color, name, strlen(name)) | |
660e09ad | 1045 | |
5dc795f2 JF |
1046 | static struct int_map attr_map[] = { |
1047 | #define ATTR_MAP(name) { #name, STRING_SIZE(#name), A_##name } | |
1048 | ATTR_MAP(NORMAL), | |
1049 | ATTR_MAP(BLINK), | |
1050 | ATTR_MAP(BOLD), | |
1051 | ATTR_MAP(DIM), | |
1052 | ATTR_MAP(REVERSE), | |
1053 | ATTR_MAP(STANDOUT), | |
1054 | ATTR_MAP(UNDERLINE), | |
1055 | }; | |
1056 | ||
9256ab05 JF |
1057 | #define set_attribute(attr, name) \ |
1058 | set_from_int_map(attr_map, ARRAY_SIZE(attr_map), attr, name, strlen(name)) | |
660e09ad | 1059 | |
3c3801c2 JF |
1060 | static int config_lineno; |
1061 | static bool config_errors; | |
1062 | static char *config_msg; | |
1063 | ||
5bfd96c7 | 1064 | /* Wants: object fgcolor bgcolor [attr] */ |
660e09ad | 1065 | static int |
5bfd96c7 | 1066 | option_color_command(int argc, char *argv[]) |
660e09ad | 1067 | { |
bca8fcaa JF |
1068 | struct line_info *info; |
1069 | ||
9256ab05 JF |
1070 | if (argc != 3 && argc != 4) { |
1071 | config_msg = "Wrong number of arguments given to color command"; | |
1072 | return ERR; | |
1073 | } | |
1074 | ||
1075 | info = get_line_info(argv[0], strlen(argv[0])); | |
bca8fcaa JF |
1076 | if (!info) { |
1077 | config_msg = "Unknown color name"; | |
1078 | return ERR; | |
1079 | } | |
660e09ad | 1080 | |
a3653368 JF |
1081 | if (set_color(&info->fg, argv[1]) == ERR || |
1082 | set_color(&info->bg, argv[2]) == ERR) { | |
bca8fcaa JF |
1083 | config_msg = "Unknown color"; |
1084 | return ERR; | |
1085 | } | |
660e09ad | 1086 | |
9256ab05 | 1087 | if (argc == 4 && set_attribute(&info->attr, argv[3]) == ERR) { |
bca8fcaa JF |
1088 | config_msg = "Unknown attribute"; |
1089 | return ERR; | |
660e09ad JF |
1090 | } |
1091 | ||
bca8fcaa JF |
1092 | return OK; |
1093 | } | |
1094 | ||
5bfd96c7 JF |
1095 | /* Wants: name = value */ |
1096 | static int | |
1097 | option_set_command(int argc, char *argv[]) | |
1098 | { | |
1099 | if (argc != 3) { | |
1100 | config_msg = "Wrong number of arguments given to set command"; | |
1101 | return ERR; | |
1102 | } | |
1103 | ||
1104 | if (strcmp(argv[1], "=")) { | |
1105 | config_msg = "No value assigned"; | |
1106 | return ERR; | |
1107 | } | |
1108 | ||
1109 | if (!strcmp(argv[0], "show-rev-graph")) { | |
1110 | opt_rev_graph = (!strcmp(argv[2], "1") || | |
1111 | !strcmp(argv[2], "true") || | |
1112 | !strcmp(argv[2], "yes")); | |
1113 | return OK; | |
1114 | } | |
1115 | ||
1116 | if (!strcmp(argv[0], "line-number-interval")) { | |
1117 | opt_num_interval = atoi(argv[2]); | |
1118 | return OK; | |
1119 | } | |
1120 | ||
1121 | if (!strcmp(argv[0], "tab-size")) { | |
1122 | opt_tab_size = atoi(argv[2]); | |
1123 | return OK; | |
1124 | } | |
1125 | ||
cb7267ee | 1126 | if (!strcmp(argv[0], "commit-encoding")) { |
3cc9a4d4 JF |
1127 | char *arg = argv[2]; |
1128 | int delimiter = *arg; | |
1129 | int i; | |
1130 | ||
1131 | switch (delimiter) { | |
1132 | case '"': | |
1133 | case '\'': | |
1134 | for (arg++, i = 0; arg[i]; i++) | |
1135 | if (arg[i] == delimiter) { | |
1136 | arg[i] = 0; | |
1137 | break; | |
1138 | } | |
1139 | default: | |
739e81de | 1140 | string_ncopy(opt_encoding, arg, strlen(arg)); |
3cc9a4d4 JF |
1141 | return OK; |
1142 | } | |
5bfd96c7 JF |
1143 | } |
1144 | ||
a3653368 | 1145 | config_msg = "Unknown variable name"; |
5bfd96c7 JF |
1146 | return ERR; |
1147 | } | |
1148 | ||
04e2b7b2 JF |
1149 | /* Wants: mode request key */ |
1150 | static int | |
1151 | option_bind_command(int argc, char *argv[]) | |
1152 | { | |
1153 | enum request request; | |
1154 | int keymap; | |
1155 | int key; | |
1156 | ||
9eb14b72 | 1157 | if (argc < 3) { |
04e2b7b2 JF |
1158 | config_msg = "Wrong number of arguments given to bind command"; |
1159 | return ERR; | |
1160 | } | |
1161 | ||
1162 | if (set_keymap(&keymap, argv[0]) == ERR) { | |
1163 | config_msg = "Unknown key map"; | |
1164 | return ERR; | |
1165 | } | |
1166 | ||
1167 | key = get_key_value(argv[1]); | |
1168 | if (key == ERR) { | |
1169 | config_msg = "Unknown key"; | |
1170 | return ERR; | |
1171 | } | |
1172 | ||
1173 | request = get_request(argv[2]); | |
f40385ae | 1174 | if (request == REQ_NONE) { |
f655964f JF |
1175 | const char *obsolete[] = { "cherry-pick" }; |
1176 | size_t namelen = strlen(argv[2]); | |
1177 | int i; | |
1178 | ||
1179 | for (i = 0; i < ARRAY_SIZE(obsolete); i++) { | |
1180 | if (namelen == strlen(obsolete[i]) && | |
1181 | !string_enum_compare(obsolete[i], argv[2], namelen)) { | |
1182 | config_msg = "Obsolete request name"; | |
1183 | return ERR; | |
1184 | } | |
1185 | } | |
1186 | } | |
9eb14b72 JF |
1187 | if (request == REQ_NONE && *argv[2]++ == '!') |
1188 | request = add_run_request(keymap, key, argc - 2, argv + 2); | |
d31a629d | 1189 | if (request == REQ_NONE) { |
04e2b7b2 JF |
1190 | config_msg = "Unknown request name"; |
1191 | return ERR; | |
1192 | } | |
1193 | ||
1194 | add_keybinding(keymap, request, key); | |
1195 | ||
1196 | return OK; | |
1197 | } | |
1198 | ||
bca8fcaa | 1199 | static int |
9256ab05 | 1200 | set_option(char *opt, char *value) |
bca8fcaa | 1201 | { |
9256ab05 JF |
1202 | char *argv[16]; |
1203 | int valuelen; | |
1204 | int argc = 0; | |
1205 | ||
1206 | /* Tokenize */ | |
1207 | while (argc < ARRAY_SIZE(argv) && (valuelen = strcspn(value, " \t"))) { | |
1208 | argv[argc++] = value; | |
9256ab05 | 1209 | value += valuelen; |
b86250da JF |
1210 | |
1211 | /* Nothing more to tokenize or last available token. */ | |
1212 | if (!*value || argc >= ARRAY_SIZE(argv)) | |
9256ab05 JF |
1213 | break; |
1214 | ||
1215 | *value++ = 0; | |
1216 | while (isspace(*value)) | |
1217 | value++; | |
1218 | } | |
1219 | ||
1220 | if (!strcmp(opt, "color")) | |
5bfd96c7 JF |
1221 | return option_color_command(argc, argv); |
1222 | ||
1223 | if (!strcmp(opt, "set")) | |
1224 | return option_set_command(argc, argv); | |
bca8fcaa | 1225 | |
04e2b7b2 JF |
1226 | if (!strcmp(opt, "bind")) |
1227 | return option_bind_command(argc, argv); | |
1228 | ||
a3653368 | 1229 | config_msg = "Unknown option command"; |
660e09ad JF |
1230 | return ERR; |
1231 | } | |
1232 | ||
1233 | static int | |
5699e0cf | 1234 | read_option(char *opt, size_t optlen, char *value, size_t valuelen) |
3c3801c2 | 1235 | { |
a3653368 JF |
1236 | int status = OK; |
1237 | ||
3c3801c2 JF |
1238 | config_lineno++; |
1239 | config_msg = "Internal error"; | |
1240 | ||
a3653368 JF |
1241 | /* Check for comment markers, since read_properties() will |
1242 | * only ensure opt and value are split at first " \t". */ | |
74f83ee6 | 1243 | optlen = strcspn(opt, "#"); |
a3653368 | 1244 | if (optlen == 0) |
3c3801c2 JF |
1245 | return OK; |
1246 | ||
a3653368 JF |
1247 | if (opt[optlen] != 0) { |
1248 | config_msg = "No option value"; | |
1249 | status = ERR; | |
1250 | ||
1251 | } else { | |
1252 | /* Look for comment endings in the value. */ | |
5699e0cf | 1253 | size_t len = strcspn(value, "#"); |
a3653368 JF |
1254 | |
1255 | if (len < valuelen) { | |
1256 | valuelen = len; | |
1257 | value[valuelen] = 0; | |
1258 | } | |
1259 | ||
1260 | status = set_option(opt, value); | |
3c3801c2 JF |
1261 | } |
1262 | ||
a3653368 JF |
1263 | if (status == ERR) { |
1264 | fprintf(stderr, "Error on line %d, near '%.*s': %s\n", | |
07c3971e | 1265 | config_lineno, (int) optlen, opt, config_msg); |
3c3801c2 JF |
1266 | config_errors = TRUE; |
1267 | } | |
1268 | ||
1269 | /* Always keep going if errors are encountered. */ | |
1270 | return OK; | |
1271 | } | |
1272 | ||
1273 | static int | |
660e09ad JF |
1274 | load_options(void) |
1275 | { | |
1276 | char *home = getenv("HOME"); | |
17482b11 | 1277 | char buf[SIZEOF_STR]; |
660e09ad JF |
1278 | FILE *file; |
1279 | ||
3c3801c2 JF |
1280 | config_lineno = 0; |
1281 | config_errors = FALSE; | |
1282 | ||
f655964f JF |
1283 | add_builtin_run_requests(); |
1284 | ||
cc2d1364 | 1285 | if (!home || !string_format(buf, "%s/.tigrc", home)) |
660e09ad JF |
1286 | return ERR; |
1287 | ||
1288 | /* It's ok that the file doesn't exist. */ | |
1289 | file = fopen(buf, "r"); | |
1290 | if (!file) | |
1291 | return OK; | |
1292 | ||
3c3801c2 JF |
1293 | if (read_properties(file, " \t", read_option) == ERR || |
1294 | config_errors == TRUE) | |
1295 | fprintf(stderr, "Errors while loading %s.\n", buf); | |
1296 | ||
1297 | return OK; | |
660e09ad JF |
1298 | } |
1299 | ||
1300 | ||
d839253b | 1301 | /* |
468876c9 | 1302 | * The viewer |
d839253b | 1303 | */ |
c2124ccd JF |
1304 | |
1305 | struct view; | |
fe7233c3 | 1306 | struct view_ops; |
c2124ccd JF |
1307 | |
1308 | /* The display array of active views and the index of the current view. */ | |
1309 | static struct view *display[2]; | |
1310 | static unsigned int current_view; | |
1311 | ||
ab4af23e JF |
1312 | /* Reading from the prompt? */ |
1313 | static bool input_mode = FALSE; | |
1314 | ||
33c4f9ea | 1315 | #define foreach_displayed_view(view, i) \ |
c2124ccd JF |
1316 | for (i = 0; i < ARRAY_SIZE(display) && (view = display[i]); i++) |
1317 | ||
9f41488f | 1318 | #define displayed_views() (display[1] != NULL ? 2 : 1) |
c2124ccd | 1319 | |
d839253b | 1320 | /* Current head and commit ID */ |
e733ee54 | 1321 | static char ref_blob[SIZEOF_REF] = ""; |
c2124ccd JF |
1322 | static char ref_commit[SIZEOF_REF] = "HEAD"; |
1323 | static char ref_head[SIZEOF_REF] = "HEAD"; | |
1324 | ||
b801d8b2 | 1325 | struct view { |
03a93dbb | 1326 | const char *name; /* View name */ |
4685845e TH |
1327 | const char *cmd_fmt; /* Default command line format */ |
1328 | const char *cmd_env; /* Command line set via environment */ | |
e733ee54 | 1329 | const char *id; /* Points to either of ref_{head,commit,blob} */ |
6b161b31 | 1330 | |
fe7233c3 | 1331 | struct view_ops *ops; /* View operations */ |
22f66b0a | 1332 | |
04e2b7b2 JF |
1333 | enum keymap keymap; /* What keymap does this view have */ |
1334 | ||
17482b11 | 1335 | char cmd[SIZEOF_STR]; /* Command buffer */ |
49f2b43f JF |
1336 | char ref[SIZEOF_REF]; /* Hovered commit reference */ |
1337 | char vid[SIZEOF_REF]; /* View ID. Set to id member when updating. */ | |
2e8488b4 | 1338 | |
8855ada4 JF |
1339 | int height, width; /* The width and height of the main window */ |
1340 | WINDOW *win; /* The main window */ | |
1341 | WINDOW *title; /* The title window living below the main window */ | |
b801d8b2 JF |
1342 | |
1343 | /* Navigation */ | |
1344 | unsigned long offset; /* Offset of the window top */ | |
1345 | unsigned long lineno; /* Current line number */ | |
1346 | ||
4af34daa JF |
1347 | /* Searching */ |
1348 | char grep[SIZEOF_STR]; /* Search string */ | |
b77b2cb8 | 1349 | regex_t *regex; /* Pre-compiled regex */ |
4af34daa | 1350 | |
f6da0b66 JF |
1351 | /* If non-NULL, points to the view that opened this view. If this view |
1352 | * is closed tig will switch back to the parent view. */ | |
1353 | struct view *parent; | |
1354 | ||
b801d8b2 JF |
1355 | /* Buffering */ |
1356 | unsigned long lines; /* Total number of lines */ | |
fe7233c3 | 1357 | struct line *line; /* Line index */ |
e2c01617 | 1358 | unsigned long line_size;/* Total number of allocated lines */ |
8855ada4 | 1359 | unsigned int digits; /* Number of digits in the lines member. */ |
b801d8b2 JF |
1360 | |
1361 | /* Loading */ | |
1362 | FILE *pipe; | |
2e8488b4 | 1363 | time_t start_time; |
b801d8b2 JF |
1364 | }; |
1365 | ||
fe7233c3 JF |
1366 | struct view_ops { |
1367 | /* What type of content being displayed. Used in the title bar. */ | |
1368 | const char *type; | |
f098944b JF |
1369 | /* Open and reads in all view content. */ |
1370 | bool (*open)(struct view *view); | |
fe7233c3 | 1371 | /* Read one line; updates view->line. */ |
701e4f5d | 1372 | bool (*read)(struct view *view, char *data); |
f098944b JF |
1373 | /* Draw one line; @lineno must be < view->height. */ |
1374 | bool (*draw)(struct view *view, struct line *line, unsigned int lineno, bool selected); | |
586c423d JF |
1375 | /* Depending on view handle a special requests. */ |
1376 | enum request (*request)(struct view *view, enum request request, struct line *line); | |
4af34daa JF |
1377 | /* Search for regex in a line. */ |
1378 | bool (*grep)(struct view *view, struct line *line); | |
d720de4b JF |
1379 | /* Select line */ |
1380 | void (*select)(struct view *view, struct line *line); | |
fe7233c3 JF |
1381 | }; |
1382 | ||
6b161b31 JF |
1383 | static struct view_ops pager_ops; |
1384 | static struct view_ops main_ops; | |
e733ee54 JF |
1385 | static struct view_ops tree_ops; |
1386 | static struct view_ops blob_ops; | |
f098944b | 1387 | static struct view_ops help_ops; |
173d76ea | 1388 | static struct view_ops status_ops; |
3e634113 | 1389 | static struct view_ops stage_ops; |
a28bcc22 | 1390 | |
04e2b7b2 JF |
1391 | #define VIEW_STR(name, cmd, env, ref, ops, map) \ |
1392 | { name, cmd, #env, ref, ops, map} | |
1ba2ae4b | 1393 | |
95d7ddcd | 1394 | #define VIEW_(id, name, ops, ref) \ |
04e2b7b2 | 1395 | VIEW_STR(name, TIG_##id##_CMD, TIG_##id##_CMD, ref, ops, KEYMAP_##id) |
1ba2ae4b | 1396 | |
c2124ccd | 1397 | |
b801d8b2 | 1398 | static struct view views[] = { |
173d76ea JF |
1399 | VIEW_(MAIN, "main", &main_ops, ref_head), |
1400 | VIEW_(DIFF, "diff", &pager_ops, ref_commit), | |
1401 | VIEW_(LOG, "log", &pager_ops, ref_head), | |
1402 | VIEW_(TREE, "tree", &tree_ops, ref_commit), | |
1403 | VIEW_(BLOB, "blob", &blob_ops, ref_blob), | |
b64c5b75 JF |
1404 | VIEW_(HELP, "help", &help_ops, ""), |
1405 | VIEW_(PAGER, "pager", &pager_ops, "stdin"), | |
173d76ea | 1406 | VIEW_(STATUS, "status", &status_ops, ""), |
3e634113 | 1407 | VIEW_(STAGE, "stage", &stage_ops, ""), |
b801d8b2 JF |
1408 | }; |
1409 | ||
a28bcc22 JF |
1410 | #define VIEW(req) (&views[(req) - REQ_OFFSET - 1]) |
1411 | ||
699ae55b JF |
1412 | #define foreach_view(view, i) \ |
1413 | for (i = 0; i < ARRAY_SIZE(views) && (view = &views[i]); i++) | |
1414 | ||
1415 | #define view_is_displayed(view) \ | |
1416 | (view == display[0] || view == display[1]) | |
4c6fabc2 | 1417 | |
fe7233c3 JF |
1418 | static bool |
1419 | draw_view_line(struct view *view, unsigned int lineno) | |
1420 | { | |
d720de4b | 1421 | struct line *line; |
5dcf8064 | 1422 | bool selected = (view->offset + lineno == view->lineno); |
4887d44e | 1423 | bool draw_ok; |
d720de4b | 1424 | |
699ae55b JF |
1425 | assert(view_is_displayed(view)); |
1426 | ||
fe7233c3 JF |
1427 | if (view->offset + lineno >= view->lines) |
1428 | return FALSE; | |
1429 | ||
d720de4b JF |
1430 | line = &view->line[view->offset + lineno]; |
1431 | ||
3c571d67 JF |
1432 | if (selected) { |
1433 | line->selected = TRUE; | |
d720de4b | 1434 | view->ops->select(view, line); |
3c571d67 JF |
1435 | } else if (line->selected) { |
1436 | line->selected = FALSE; | |
1437 | wmove(view->win, lineno, 0); | |
1438 | wclrtoeol(view->win); | |
1439 | } | |
d720de4b | 1440 | |
4887d44e JF |
1441 | scrollok(view->win, FALSE); |
1442 | draw_ok = view->ops->draw(view, line, lineno, selected); | |
1443 | scrollok(view->win, TRUE); | |
1444 | ||
1445 | return draw_ok; | |
fe7233c3 JF |
1446 | } |
1447 | ||
b801d8b2 | 1448 | static void |
82e78006 | 1449 | redraw_view_from(struct view *view, int lineno) |
b801d8b2 | 1450 | { |
82e78006 | 1451 | assert(0 <= lineno && lineno < view->height); |
b801d8b2 | 1452 | |
82e78006 | 1453 | for (; lineno < view->height; lineno++) { |
fe7233c3 | 1454 | if (!draw_view_line(view, lineno)) |
fd85fef1 | 1455 | break; |
b801d8b2 JF |
1456 | } |
1457 | ||
1458 | redrawwin(view->win); | |
ab4af23e JF |
1459 | if (input_mode) |
1460 | wnoutrefresh(view->win); | |
1461 | else | |
1462 | wrefresh(view->win); | |
b801d8b2 JF |
1463 | } |
1464 | ||
b76c2afc | 1465 | static void |
82e78006 JF |
1466 | redraw_view(struct view *view) |
1467 | { | |
1468 | wclear(view->win); | |
1469 | redraw_view_from(view, 0); | |
1470 | } | |
1471 | ||
c2124ccd | 1472 | |
6b161b31 | 1473 | static void |
81030ec8 JF |
1474 | update_view_title(struct view *view) |
1475 | { | |
3c112a88 | 1476 | char buf[SIZEOF_STR]; |
71d1c7db JF |
1477 | char state[SIZEOF_STR]; |
1478 | size_t bufpos = 0, statelen = 0; | |
81030ec8 | 1479 | |
3c112a88 | 1480 | assert(view_is_displayed(view)); |
81030ec8 | 1481 | |
249016a6 | 1482 | if (view != VIEW(REQ_VIEW_STATUS) && (view->lines || view->pipe)) { |
6d9c07af | 1483 | unsigned int view_lines = view->offset + view->height; |
c19f8017 | 1484 | unsigned int lines = view->lines |
6d9c07af | 1485 | ? MIN(view_lines, view->lines) * 100 / view->lines |
c19f8017 JF |
1486 | : 0; |
1487 | ||
71d1c7db | 1488 | string_format_from(state, &statelen, "- %s %d of %d (%d%%)", |
3c112a88 JF |
1489 | view->ops->type, |
1490 | view->lineno + 1, | |
1491 | view->lines, | |
1492 | lines); | |
81030ec8 | 1493 | |
5becf244 JF |
1494 | if (view->pipe) { |
1495 | time_t secs = time(NULL) - view->start_time; | |
f97f4012 | 1496 | |
5becf244 JF |
1497 | /* Three git seconds are a long time ... */ |
1498 | if (secs > 2) | |
71d1c7db | 1499 | string_format_from(state, &statelen, " %lds", secs); |
5becf244 | 1500 | } |
81030ec8 JF |
1501 | } |
1502 | ||
71d1c7db JF |
1503 | string_format_from(buf, &bufpos, "[%s]", view->name); |
1504 | if (*view->ref && bufpos < view->width) { | |
1505 | size_t refsize = strlen(view->ref); | |
1506 | size_t minsize = bufpos + 1 + /* abbrev= */ 7 + 1 + statelen; | |
1507 | ||
1508 | if (minsize < view->width) | |
1509 | refsize = view->width - minsize + 7; | |
d1858deb | 1510 | string_format_from(buf, &bufpos, " %.*s", (int) refsize, view->ref); |
71d1c7db | 1511 | } |
f97f4012 | 1512 | |
71d1c7db JF |
1513 | if (statelen && bufpos < view->width) { |
1514 | string_format_from(buf, &bufpos, " %s", state); | |
f97f4012 JF |
1515 | } |
1516 | ||
3c112a88 JF |
1517 | if (view == display[current_view]) |
1518 | wbkgdset(view->title, get_line_attr(LINE_TITLE_FOCUS)); | |
1519 | else | |
1520 | wbkgdset(view->title, get_line_attr(LINE_TITLE_BLUR)); | |
1521 | ||
3c112a88 | 1522 | mvwaddnstr(view->title, 0, 0, buf, bufpos); |
390a8262 | 1523 | wclrtoeol(view->title); |
976447f8 | 1524 | wmove(view->title, 0, view->width - 1); |
ab4af23e JF |
1525 | |
1526 | if (input_mode) | |
1527 | wnoutrefresh(view->title); | |
1528 | else | |
1529 | wrefresh(view->title); | |
81030ec8 JF |
1530 | } |
1531 | ||
1532 | static void | |
6b161b31 | 1533 | resize_display(void) |
b76c2afc | 1534 | { |
03a93dbb | 1535 | int offset, i; |
6b161b31 JF |
1536 | struct view *base = display[0]; |
1537 | struct view *view = display[1] ? display[1] : display[0]; | |
b76c2afc | 1538 | |
6b161b31 | 1539 | /* Setup window dimensions */ |
b76c2afc | 1540 | |
03a93dbb | 1541 | getmaxyx(stdscr, base->height, base->width); |
b76c2afc | 1542 | |
6b161b31 | 1543 | /* Make room for the status window. */ |
03a93dbb | 1544 | base->height -= 1; |
6b161b31 JF |
1545 | |
1546 | if (view != base) { | |
03a93dbb JF |
1547 | /* Horizontal split. */ |
1548 | view->width = base->width; | |
6b161b31 JF |
1549 | view->height = SCALE_SPLIT_VIEW(base->height); |
1550 | base->height -= view->height; | |
1551 | ||
1552 | /* Make room for the title bar. */ | |
1553 | view->height -= 1; | |
1554 | } | |
1555 | ||
1556 | /* Make room for the title bar. */ | |
1557 | base->height -= 1; | |
1558 | ||
1559 | offset = 0; | |
1560 | ||
33c4f9ea | 1561 | foreach_displayed_view (view, i) { |
b76c2afc | 1562 | if (!view->win) { |
c19f8017 | 1563 | view->win = newwin(view->height, 0, offset, 0); |
6b161b31 JF |
1564 | if (!view->win) |
1565 | die("Failed to create %s view", view->name); | |
1566 | ||
1567 | scrollok(view->win, TRUE); | |
1568 | ||
1569 | view->title = newwin(1, 0, offset + view->height, 0); | |
1570 | if (!view->title) | |
1571 | die("Failed to create title window"); | |
1572 | ||
1573 | } else { | |
c19f8017 | 1574 | wresize(view->win, view->height, view->width); |
6b161b31 JF |
1575 | mvwin(view->win, offset, 0); |
1576 | mvwin(view->title, offset + view->height, 0); | |
a28bcc22 | 1577 | } |
a28bcc22 | 1578 | |
6b161b31 | 1579 | offset += view->height + 1; |
b76c2afc | 1580 | } |
6b161b31 | 1581 | } |
b76c2afc | 1582 | |
6b161b31 | 1583 | static void |
20bb5e18 JF |
1584 | redraw_display(void) |
1585 | { | |
1586 | struct view *view; | |
1587 | int i; | |
1588 | ||
33c4f9ea | 1589 | foreach_displayed_view (view, i) { |
20bb5e18 JF |
1590 | redraw_view(view); |
1591 | update_view_title(view); | |
1592 | } | |
1593 | } | |
1594 | ||
85af6284 | 1595 | static void |
2bee3bde | 1596 | update_display_cursor(struct view *view) |
85af6284 | 1597 | { |
85af6284 JF |
1598 | /* Move the cursor to the right-most column of the cursor line. |
1599 | * | |
1600 | * XXX: This could turn out to be a bit expensive, but it ensures that | |
1601 | * the cursor does not jump around. */ | |
1602 | if (view->lines) { | |
1603 | wmove(view->win, view->lineno - view->offset, view->width - 1); | |
1604 | wrefresh(view->win); | |
1605 | } | |
1606 | } | |
20bb5e18 | 1607 | |
2e8488b4 JF |
1608 | /* |
1609 | * Navigation | |
1610 | */ | |
1611 | ||
4a2909a7 | 1612 | /* Scrolling backend */ |
b801d8b2 | 1613 | static void |
8c317212 | 1614 | do_scroll_view(struct view *view, int lines) |
b801d8b2 | 1615 | { |
a0087dd5 JF |
1616 | bool redraw_current_line = FALSE; |
1617 | ||
fd85fef1 JF |
1618 | /* The rendering expects the new offset. */ |
1619 | view->offset += lines; | |
1620 | ||
1621 | assert(0 <= view->offset && view->offset < view->lines); | |
1622 | assert(lines); | |
b801d8b2 | 1623 | |
a0087dd5 JF |
1624 | /* Move current line into the view. */ |
1625 | if (view->lineno < view->offset) { | |
1626 | view->lineno = view->offset; | |
1627 | redraw_current_line = TRUE; | |
1628 | } else if (view->lineno >= view->offset + view->height) { | |
1629 | view->lineno = view->offset + view->height - 1; | |
1630 | redraw_current_line = TRUE; | |
1631 | } | |
1632 | ||
1633 | assert(view->offset <= view->lineno && view->lineno < view->lines); | |
1634 | ||
82e78006 | 1635 | /* Redraw the whole screen if scrolling is pointless. */ |
4c6fabc2 | 1636 | if (view->height < ABS(lines)) { |
b76c2afc JF |
1637 | redraw_view(view); |
1638 | ||
1639 | } else { | |
22f66b0a | 1640 | int line = lines > 0 ? view->height - lines : 0; |
82e78006 | 1641 | int end = line + ABS(lines); |
fd85fef1 JF |
1642 | |
1643 | wscrl(view->win, lines); | |
1644 | ||
22f66b0a | 1645 | for (; line < end; line++) { |
fe7233c3 | 1646 | if (!draw_view_line(view, line)) |
fd85fef1 JF |
1647 | break; |
1648 | } | |
fd85fef1 | 1649 | |
a0087dd5 JF |
1650 | if (redraw_current_line) |
1651 | draw_view_line(view, view->lineno - view->offset); | |
fd85fef1 JF |
1652 | } |
1653 | ||
fd85fef1 JF |
1654 | redrawwin(view->win); |
1655 | wrefresh(view->win); | |
9d3f5834 | 1656 | report(""); |
fd85fef1 | 1657 | } |
78c70acd | 1658 | |
4a2909a7 | 1659 | /* Scroll frontend */ |
fd85fef1 | 1660 | static void |
6b161b31 | 1661 | scroll_view(struct view *view, enum request request) |
fd85fef1 JF |
1662 | { |
1663 | int lines = 1; | |
b801d8b2 | 1664 | |
8c317212 JF |
1665 | assert(view_is_displayed(view)); |
1666 | ||
b801d8b2 | 1667 | switch (request) { |
4a2909a7 | 1668 | case REQ_SCROLL_PAGE_DOWN: |
fd85fef1 | 1669 | lines = view->height; |
4a2909a7 | 1670 | case REQ_SCROLL_LINE_DOWN: |
b801d8b2 | 1671 | if (view->offset + lines > view->lines) |
bde3653a | 1672 | lines = view->lines - view->offset; |
b801d8b2 | 1673 | |
fd85fef1 | 1674 | if (lines == 0 || view->offset + view->height >= view->lines) { |
eb98559e | 1675 | report("Cannot scroll beyond the last line"); |
b801d8b2 JF |
1676 | return; |
1677 | } | |
1678 | break; | |
1679 | ||
4a2909a7 | 1680 | case REQ_SCROLL_PAGE_UP: |
fd85fef1 | 1681 | lines = view->height; |
4a2909a7 | 1682 | case REQ_SCROLL_LINE_UP: |
b801d8b2 JF |
1683 | if (lines > view->offset) |
1684 | lines = view->offset; | |
1685 | ||
1686 | if (lines == 0) { | |
eb98559e | 1687 | report("Cannot scroll beyond the first line"); |
b801d8b2 JF |
1688 | return; |
1689 | } | |
1690 | ||
fd85fef1 | 1691 | lines = -lines; |
b801d8b2 | 1692 | break; |
03a93dbb | 1693 | |
6b161b31 JF |
1694 | default: |
1695 | die("request %d not handled in switch", request); | |
b801d8b2 JF |
1696 | } |
1697 | ||
8c317212 | 1698 | do_scroll_view(view, lines); |
fd85fef1 | 1699 | } |
b801d8b2 | 1700 | |
4a2909a7 | 1701 | /* Cursor moving */ |
fd85fef1 | 1702 | static void |
8522ecc7 | 1703 | move_view(struct view *view, enum request request) |
fd85fef1 | 1704 | { |
dfaa6c81 | 1705 | int scroll_steps = 0; |
fd85fef1 | 1706 | int steps; |
b801d8b2 | 1707 | |
fd85fef1 | 1708 | switch (request) { |
4a2909a7 | 1709 | case REQ_MOVE_FIRST_LINE: |
78c70acd JF |
1710 | steps = -view->lineno; |
1711 | break; | |
1712 | ||
4a2909a7 | 1713 | case REQ_MOVE_LAST_LINE: |
78c70acd JF |
1714 | steps = view->lines - view->lineno - 1; |
1715 | break; | |
1716 | ||
4a2909a7 | 1717 | case REQ_MOVE_PAGE_UP: |
78c70acd JF |
1718 | steps = view->height > view->lineno |
1719 | ? -view->lineno : -view->height; | |
1720 | break; | |
1721 | ||
4a2909a7 | 1722 | case REQ_MOVE_PAGE_DOWN: |
78c70acd JF |
1723 | steps = view->lineno + view->height >= view->lines |
1724 | ? view->lines - view->lineno - 1 : view->height; | |
1725 | break; | |
1726 | ||
4a2909a7 | 1727 | case REQ_MOVE_UP: |
fd85fef1 JF |
1728 | steps = -1; |
1729 | break; | |
b801d8b2 | 1730 | |
4a2909a7 | 1731 | case REQ_MOVE_DOWN: |
fd85fef1 JF |
1732 | steps = 1; |
1733 | break; | |
6b161b31 JF |
1734 | |
1735 | default: | |
1736 | die("request %d not handled in switch", request); | |
78c70acd | 1737 | } |
b801d8b2 | 1738 | |
4c6fabc2 | 1739 | if (steps <= 0 && view->lineno == 0) { |
eb98559e | 1740 | report("Cannot move beyond the first line"); |
78c70acd | 1741 | return; |
b801d8b2 | 1742 | |
6908bdbd | 1743 | } else if (steps >= 0 && view->lineno + 1 >= view->lines) { |
eb98559e | 1744 | report("Cannot move beyond the last line"); |
78c70acd | 1745 | return; |
fd85fef1 JF |
1746 | } |
1747 | ||
4c6fabc2 | 1748 | /* Move the current line */ |
fd85fef1 | 1749 | view->lineno += steps; |
4c6fabc2 JF |
1750 | assert(0 <= view->lineno && view->lineno < view->lines); |
1751 | ||
4c6fabc2 | 1752 | /* Check whether the view needs to be scrolled */ |
fd85fef1 JF |
1753 | if (view->lineno < view->offset || |
1754 | view->lineno >= view->offset + view->height) { | |
dfaa6c81 | 1755 | scroll_steps = steps; |
fd85fef1 | 1756 | if (steps < 0 && -steps > view->offset) { |
dfaa6c81 | 1757 | scroll_steps = -view->offset; |
b76c2afc JF |
1758 | |
1759 | } else if (steps > 0) { | |
1760 | if (view->lineno == view->lines - 1 && | |
1761 | view->lines > view->height) { | |
dfaa6c81 JF |
1762 | scroll_steps = view->lines - view->offset - 1; |
1763 | if (scroll_steps >= view->height) | |
1764 | scroll_steps -= view->height - 1; | |
b76c2afc | 1765 | } |
b801d8b2 | 1766 | } |
8522ecc7 JF |
1767 | } |
1768 | ||
1769 | if (!view_is_displayed(view)) { | |
a3965365 JF |
1770 | view->offset += scroll_steps; |
1771 | assert(0 <= view->offset && view->offset < view->lines); | |
8522ecc7 JF |
1772 | view->ops->select(view, &view->line[view->lineno]); |
1773 | return; | |
1774 | } | |
1775 | ||
1776 | /* Repaint the old "current" line if we be scrolling */ | |
1777 | if (ABS(steps) < view->height) | |
1778 | draw_view_line(view, view->lineno - steps - view->offset); | |
1779 | ||
dfaa6c81 JF |
1780 | if (scroll_steps) { |
1781 | do_scroll_view(view, scroll_steps); | |
fd85fef1 | 1782 | return; |
b801d8b2 JF |
1783 | } |
1784 | ||
4c6fabc2 | 1785 | /* Draw the current line */ |
fe7233c3 | 1786 | draw_view_line(view, view->lineno - view->offset); |
fd85fef1 | 1787 | |
b801d8b2 JF |
1788 | redrawwin(view->win); |
1789 | wrefresh(view->win); | |
9d3f5834 | 1790 | report(""); |
b801d8b2 JF |
1791 | } |
1792 | ||
b801d8b2 | 1793 | |
2e8488b4 | 1794 | /* |
4af34daa JF |
1795 | * Searching |
1796 | */ | |
1797 | ||
c02d8fce | 1798 | static void search_view(struct view *view, enum request request); |
4af34daa JF |
1799 | |
1800 | static bool | |
1801 | find_next_line(struct view *view, unsigned long lineno, struct line *line) | |
1802 | { | |
699ae55b JF |
1803 | assert(view_is_displayed(view)); |
1804 | ||
4af34daa JF |
1805 | if (!view->ops->grep(view, line)) |
1806 | return FALSE; | |
1807 | ||
1808 | if (lineno - view->offset >= view->height) { | |
1809 | view->offset = lineno; | |
1810 | view->lineno = lineno; | |
1811 | redraw_view(view); | |
1812 | ||
1813 | } else { | |
1814 | unsigned long old_lineno = view->lineno - view->offset; | |
1815 | ||
1816 | view->lineno = lineno; | |
4af34daa JF |
1817 | draw_view_line(view, old_lineno); |
1818 | ||
1819 | draw_view_line(view, view->lineno - view->offset); | |
1820 | redrawwin(view->win); | |
1821 | wrefresh(view->win); | |
1822 | } | |
1823 | ||
1824 | report("Line %ld matches '%s'", lineno + 1, view->grep); | |
1825 | return TRUE; | |
1826 | } | |
1827 | ||
1828 | static void | |
1829 | find_next(struct view *view, enum request request) | |
1830 | { | |
1831 | unsigned long lineno = view->lineno; | |
1832 | int direction; | |
1833 | ||
1834 | if (!*view->grep) { | |
1835 | if (!*opt_search) | |
1836 | report("No previous search"); | |
1837 | else | |
c02d8fce | 1838 | search_view(view, request); |
4af34daa JF |
1839 | return; |
1840 | } | |
1841 | ||
1842 | switch (request) { | |
1843 | case REQ_SEARCH: | |
1844 | case REQ_FIND_NEXT: | |
1845 | direction = 1; | |
1846 | break; | |
1847 | ||
1848 | case REQ_SEARCH_BACK: | |
1849 | case REQ_FIND_PREV: | |
1850 | direction = -1; | |
1851 | break; | |
1852 | ||
1853 | default: | |
1854 | return; | |
1855 | } | |
1856 | ||
1857 | if (request == REQ_FIND_NEXT || request == REQ_FIND_PREV) | |
1858 | lineno += direction; | |
1859 | ||
1860 | /* Note, lineno is unsigned long so will wrap around in which case it | |
1861 | * will become bigger than view->lines. */ | |
1862 | for (; lineno < view->lines; lineno += direction) { | |
1863 | struct line *line = &view->line[lineno]; | |
1864 | ||
1865 | if (find_next_line(view, lineno, line)) | |
1866 | return; | |
1867 | } | |
1868 | ||
1869 | report("No match found for '%s'", view->grep); | |
1870 | } | |
1871 | ||
1872 | static void | |
c02d8fce | 1873 | search_view(struct view *view, enum request request) |
4af34daa JF |
1874 | { |
1875 | int regex_err; | |
1876 | ||
b77b2cb8 JF |
1877 | if (view->regex) { |
1878 | regfree(view->regex); | |
4af34daa | 1879 | *view->grep = 0; |
b77b2cb8 JF |
1880 | } else { |
1881 | view->regex = calloc(1, sizeof(*view->regex)); | |
1882 | if (!view->regex) | |
1883 | return; | |
4af34daa JF |
1884 | } |
1885 | ||
c02d8fce | 1886 | regex_err = regcomp(view->regex, opt_search, REG_EXTENDED); |
4af34daa JF |
1887 | if (regex_err != 0) { |
1888 | char buf[SIZEOF_STR] = "unknown error"; | |
1889 | ||
b77b2cb8 | 1890 | regerror(regex_err, view->regex, buf, sizeof(buf)); |
e9cacd58 | 1891 | report("Search failed: %s", buf); |
4af34daa JF |
1892 | return; |
1893 | } | |
1894 | ||
c02d8fce | 1895 | string_copy(view->grep, opt_search); |
4af34daa JF |
1896 | |
1897 | find_next(view, request); | |
1898 | } | |
1899 | ||
1900 | /* | |
2e8488b4 JF |
1901 | * Incremental updating |
1902 | */ | |
b801d8b2 | 1903 | |
199d1288 JF |
1904 | static void |
1905 | end_update(struct view *view) | |
1906 | { | |
1907 | if (!view->pipe) | |
1908 | return; | |
1909 | set_nonblocking_input(FALSE); | |
1910 | if (view->pipe == stdin) | |
1911 | fclose(view->pipe); | |
1912 | else | |
1913 | pclose(view->pipe); | |
1914 | view->pipe = NULL; | |
1915 | } | |
1916 | ||
03a93dbb | 1917 | static bool |
b801d8b2 JF |
1918 | begin_update(struct view *view) |
1919 | { | |
199d1288 JF |
1920 | if (view->pipe) |
1921 | end_update(view); | |
1922 | ||
03a93dbb JF |
1923 | if (opt_cmd[0]) { |
1924 | string_copy(view->cmd, opt_cmd); | |
1925 | opt_cmd[0] = 0; | |
035ba11f JF |
1926 | /* When running random commands, initially show the |
1927 | * command in the title. However, it maybe later be | |
1928 | * overwritten if a commit line is selected. */ | |
809a9f48 JF |
1929 | if (view == VIEW(REQ_VIEW_PAGER)) |
1930 | string_copy(view->ref, view->cmd); | |
1931 | else | |
1932 | view->ref[0] = 0; | |
e733ee54 JF |
1933 | |
1934 | } else if (view == VIEW(REQ_VIEW_TREE)) { | |
1935 | const char *format = view->cmd_env ? view->cmd_env : view->cmd_fmt; | |
f0f114ac | 1936 | char path[SIZEOF_STR]; |
e733ee54 JF |
1937 | |
1938 | if (strcmp(view->vid, view->id)) | |
f0f114ac JF |
1939 | opt_path[0] = path[0] = 0; |
1940 | else if (sq_quote(path, 0, opt_path) >= sizeof(path)) | |
1941 | return FALSE; | |
e733ee54 | 1942 | |
739e81de | 1943 | if (!string_format(view->cmd, format, view->id, path)) |
e733ee54 JF |
1944 | return FALSE; |
1945 | ||
03a93dbb | 1946 | } else { |
4685845e | 1947 | const char *format = view->cmd_env ? view->cmd_env : view->cmd_fmt; |
739e81de | 1948 | const char *id = view->id; |
1ba2ae4b | 1949 | |
cc2d1364 | 1950 | if (!string_format(view->cmd, format, id, id, id, id, id)) |
03a93dbb | 1951 | return FALSE; |
035ba11f JF |
1952 | |
1953 | /* Put the current ref_* value to the view title ref | |
1954 | * member. This is needed by the blob view. Most other | |
1955 | * views sets it automatically after loading because the | |
1956 | * first line is a commit line. */ | |
739e81de | 1957 | string_copy_rev(view->ref, view->id); |
03a93dbb | 1958 | } |
b801d8b2 | 1959 | |
6908bdbd JF |
1960 | /* Special case for the pager view. */ |
1961 | if (opt_pipe) { | |
1962 | view->pipe = opt_pipe; | |
1963 | opt_pipe = NULL; | |
1964 | } else { | |
1965 | view->pipe = popen(view->cmd, "r"); | |
1966 | } | |
1967 | ||
2e8488b4 JF |
1968 | if (!view->pipe) |
1969 | return FALSE; | |
b801d8b2 | 1970 | |
6b161b31 | 1971 | set_nonblocking_input(TRUE); |
b801d8b2 JF |
1972 | |
1973 | view->offset = 0; | |
1974 | view->lines = 0; | |
1975 | view->lineno = 0; | |
739e81de | 1976 | string_copy_rev(view->vid, view->id); |
b801d8b2 | 1977 | |
2e8488b4 JF |
1978 | if (view->line) { |
1979 | int i; | |
1980 | ||
1981 | for (i = 0; i < view->lines; i++) | |
fe7233c3 JF |
1982 | if (view->line[i].data) |
1983 | free(view->line[i].data); | |
2e8488b4 JF |
1984 | |
1985 | free(view->line); | |
1986 | view->line = NULL; | |
1987 | } | |
1988 | ||
1989 | view->start_time = time(NULL); | |
1990 | ||
b801d8b2 JF |
1991 | return TRUE; |
1992 | } | |
1993 | ||
e2c01617 JF |
1994 | static struct line * |
1995 | realloc_lines(struct view *view, size_t line_size) | |
1996 | { | |
1997 | struct line *tmp = realloc(view->line, sizeof(*view->line) * line_size); | |
1998 | ||
1999 | if (!tmp) | |
2000 | return NULL; | |
2001 | ||
2002 | view->line = tmp; | |
2003 | view->line_size = line_size; | |
2004 | return view->line; | |
2005 | } | |
2006 | ||
03a93dbb | 2007 | static bool |
b801d8b2 JF |
2008 | update_view(struct view *view) |
2009 | { | |
6b68fd24 JF |
2010 | char in_buffer[BUFSIZ]; |
2011 | char out_buffer[BUFSIZ * 2]; | |
b801d8b2 | 2012 | char *line; |
82e78006 JF |
2013 | /* The number of lines to read. If too low it will cause too much |
2014 | * redrawing (and possible flickering), if too high responsiveness | |
2015 | * will suffer. */ | |
8855ada4 | 2016 | unsigned long lines = view->height; |
82e78006 | 2017 | int redraw_from = -1; |
b801d8b2 JF |
2018 | |
2019 | if (!view->pipe) | |
2020 | return TRUE; | |
2021 | ||
82e78006 JF |
2022 | /* Only redraw if lines are visible. */ |
2023 | if (view->offset + view->height >= view->lines) | |
2024 | redraw_from = view->lines - view->offset; | |
b801d8b2 | 2025 | |
699ae55b | 2026 | /* FIXME: This is probably not perfect for backgrounded views. */ |
e2c01617 | 2027 | if (!realloc_lines(view, view->lines + lines)) |
b801d8b2 JF |
2028 | goto alloc_error; |
2029 | ||
6b68fd24 JF |
2030 | while ((line = fgets(in_buffer, sizeof(in_buffer), view->pipe))) { |
2031 | size_t linelen = strlen(line); | |
b801d8b2 | 2032 | |
b801d8b2 JF |
2033 | if (linelen) |
2034 | line[linelen - 1] = 0; | |
2035 | ||
6b68fd24 | 2036 | if (opt_iconv != ICONV_NONE) { |
e47afdf2 | 2037 | ICONV_CONST char *inbuf = line; |
6b68fd24 JF |
2038 | size_t inlen = linelen; |
2039 | ||
2040 | char *outbuf = out_buffer; | |
2041 | size_t outlen = sizeof(out_buffer); | |
2042 | ||
2043 | size_t ret; | |
2044 | ||
7361622d | 2045 | ret = iconv(opt_iconv, &inbuf, &inlen, &outbuf, &outlen); |
6b68fd24 JF |
2046 | if (ret != (size_t) -1) { |
2047 | line = out_buffer; | |
2048 | linelen = strlen(out_buffer); | |
2049 | } | |
2050 | } | |
2051 | ||
701e4f5d | 2052 | if (!view->ops->read(view, line)) |
b801d8b2 | 2053 | goto alloc_error; |
fd85fef1 JF |
2054 | |
2055 | if (lines-- == 1) | |
2056 | break; | |
b801d8b2 JF |
2057 | } |
2058 | ||
8855ada4 JF |
2059 | { |
2060 | int digits; | |
2061 | ||
2062 | lines = view->lines; | |
2063 | for (digits = 0; lines; digits++) | |
2064 | lines /= 10; | |
2065 | ||
2066 | /* Keep the displayed view in sync with line number scaling. */ | |
2067 | if (digits != view->digits) { | |
2068 | view->digits = digits; | |
2069 | redraw_from = 0; | |
2070 | } | |
2071 | } | |
2072 | ||
699ae55b JF |
2073 | if (!view_is_displayed(view)) |
2074 | goto check_pipe; | |
2075 | ||
e733ee54 JF |
2076 | if (view == VIEW(REQ_VIEW_TREE)) { |
2077 | /* Clear the view and redraw everything since the tree sorting | |
2078 | * might have rearranged things. */ | |
2079 | redraw_view(view); | |
2080 | ||
2081 | } else if (redraw_from >= 0) { | |
82e78006 | 2082 | /* If this is an incremental update, redraw the previous line |
a28bcc22 JF |
2083 | * since for commits some members could have changed when |
2084 | * loading the main view. */ | |
82e78006 JF |
2085 | if (redraw_from > 0) |
2086 | redraw_from--; | |
2087 | ||
9eded379 JF |
2088 | /* Since revision graph visualization requires knowledge |
2089 | * about the parent commit, it causes a further one-off | |
2090 | * needed to be redrawn for incremental updates. */ | |
2091 | if (redraw_from > 0 && opt_rev_graph) | |
2092 | redraw_from--; | |
2093 | ||
82e78006 JF |
2094 | /* Incrementally draw avoids flickering. */ |
2095 | redraw_view_from(view, redraw_from); | |
4c6fabc2 | 2096 | } |
b801d8b2 | 2097 | |
eb98559e JF |
2098 | /* Update the title _after_ the redraw so that if the redraw picks up a |
2099 | * commit reference in view->ref it'll be available here. */ | |
2100 | update_view_title(view); | |
2101 | ||
699ae55b | 2102 | check_pipe: |
b801d8b2 | 2103 | if (ferror(view->pipe)) { |
03a93dbb | 2104 | report("Failed to read: %s", strerror(errno)); |
b801d8b2 JF |
2105 | goto end; |
2106 | ||
2107 | } else if (feof(view->pipe)) { | |
f97f4012 | 2108 | report(""); |
b801d8b2 JF |
2109 | goto end; |
2110 | } | |
2111 | ||
2112 | return TRUE; | |
2113 | ||
2114 | alloc_error: | |
2e8488b4 | 2115 | report("Allocation failure"); |
b801d8b2 JF |
2116 | |
2117 | end: | |
be04d936 | 2118 | view->ops->read(view, NULL); |
b801d8b2 JF |
2119 | end_update(view); |
2120 | return FALSE; | |
2121 | } | |
2122 | ||
0a0d8910 | 2123 | static struct line * |
e314c36d | 2124 | add_line_data(struct view *view, void *data, enum line_type type) |
0a0d8910 | 2125 | { |
e314c36d | 2126 | struct line *line = &view->line[view->lines++]; |
0a0d8910 | 2127 | |
e314c36d | 2128 | memset(line, 0, sizeof(*line)); |
0a0d8910 | 2129 | line->type = type; |
e314c36d | 2130 | line->data = data; |
0a0d8910 JF |
2131 | |
2132 | return line; | |
2133 | } | |
2134 | ||
e314c36d JF |
2135 | static struct line * |
2136 | add_line_text(struct view *view, char *data, enum line_type type) | |
2137 | { | |
2138 | if (data) | |
2139 | data = strdup(data); | |
2140 | ||
2141 | return data ? add_line_data(view, data, type) : NULL; | |
2142 | } | |
2143 | ||
79d445ca | 2144 | |
e10154d5 JF |
2145 | /* |
2146 | * View opening | |
2147 | */ | |
2148 | ||
49f2b43f JF |
2149 | enum open_flags { |
2150 | OPEN_DEFAULT = 0, /* Use default view switching. */ | |
2151 | OPEN_SPLIT = 1, /* Split current view. */ | |
2152 | OPEN_BACKGROUNDED = 2, /* Backgrounded. */ | |
2153 | OPEN_RELOAD = 4, /* Reload view even if it is the current. */ | |
2154 | }; | |
2155 | ||
6b161b31 | 2156 | static void |
49f2b43f | 2157 | open_view(struct view *prev, enum request request, enum open_flags flags) |
b801d8b2 | 2158 | { |
49f2b43f JF |
2159 | bool backgrounded = !!(flags & OPEN_BACKGROUNDED); |
2160 | bool split = !!(flags & OPEN_SPLIT); | |
2161 | bool reload = !!(flags & OPEN_RELOAD); | |
a28bcc22 | 2162 | struct view *view = VIEW(request); |
9f41488f | 2163 | int nviews = displayed_views(); |
6e950a52 | 2164 | struct view *base_view = display[0]; |
b801d8b2 | 2165 | |
49f2b43f | 2166 | if (view == prev && nviews == 1 && !reload) { |
6b161b31 JF |
2167 | report("Already in %s view", view->name); |
2168 | return; | |
2169 | } | |
b801d8b2 | 2170 | |
f098944b JF |
2171 | if (view->ops->open) { |
2172 | if (!view->ops->open(view)) { | |
2173 | report("Failed to load %s view", view->name); | |
2174 | return; | |
2175 | } | |
2509b112 JF |
2176 | |
2177 | } else if ((reload || strcmp(view->vid, view->id)) && | |
2178 | !begin_update(view)) { | |
6b161b31 JF |
2179 | report("Failed to load %s view", view->name); |
2180 | return; | |
2181 | } | |
a28bcc22 | 2182 | |
6b161b31 | 2183 | if (split) { |
8d741c06 | 2184 | display[1] = view; |
6b161b31 | 2185 | if (!backgrounded) |
8d741c06 | 2186 | current_view = 1; |
6b161b31 JF |
2187 | } else { |
2188 | /* Maximize the current view. */ | |
2189 | memset(display, 0, sizeof(display)); | |
2190 | current_view = 0; | |
2191 | display[current_view] = view; | |
a28bcc22 | 2192 | } |
b801d8b2 | 2193 | |
6e950a52 JF |
2194 | /* Resize the view when switching between split- and full-screen, |
2195 | * or when switching between two different full-screen views. */ | |
2196 | if (nviews != displayed_views() || | |
2197 | (nviews == 1 && base_view != display[0])) | |
a006db63 | 2198 | resize_display(); |
b801d8b2 | 2199 | |
a8891802 | 2200 | if (split && prev->lineno - prev->offset >= prev->height) { |
03a93dbb | 2201 | /* Take the title line into account. */ |
eb98559e | 2202 | int lines = prev->lineno - prev->offset - prev->height + 1; |
03a93dbb JF |
2203 | |
2204 | /* Scroll the view that was split if the current line is | |
2205 | * outside the new limited view. */ | |
8c317212 | 2206 | do_scroll_view(prev, lines); |
03a93dbb JF |
2207 | } |
2208 | ||
6b161b31 | 2209 | if (prev && view != prev) { |
9b995f0c | 2210 | if (split && !backgrounded) { |
f0b3ab80 JF |
2211 | /* "Blur" the previous view. */ |
2212 | update_view_title(prev); | |
9f396969 | 2213 | } |
f0b3ab80 | 2214 | |
f6da0b66 | 2215 | view->parent = prev; |
b801d8b2 JF |
2216 | } |
2217 | ||
9f396969 | 2218 | if (view->pipe && view->lines == 0) { |
03a93dbb JF |
2219 | /* Clear the old view and let the incremental updating refill |
2220 | * the screen. */ | |
2221 | wclear(view->win); | |
f97f4012 | 2222 | report(""); |
03a93dbb JF |
2223 | } else { |
2224 | redraw_view(view); | |
24b5b3e0 | 2225 | report(""); |
03a93dbb | 2226 | } |
6706b2ba JF |
2227 | |
2228 | /* If the view is backgrounded the above calls to report() | |
2229 | * won't redraw the view title. */ | |
2230 | if (backgrounded) | |
2231 | update_view_title(view); | |
b801d8b2 JF |
2232 | } |
2233 | ||
0cea0d43 | 2234 | static void |
d24ef76c JF |
2235 | open_external_viewer(const char *cmd) |
2236 | { | |
2237 | def_prog_mode(); /* save current tty modes */ | |
2238 | endwin(); /* restore original tty modes */ | |
2239 | system(cmd); | |
2240 | fprintf(stderr, "Press Enter to continue"); | |
2241 | getc(stdin); | |
2242 | reset_prog_mode(); | |
2243 | redraw_display(); | |
2244 | } | |
2245 | ||
2246 | static void | |
b5c18d9d JF |
2247 | open_mergetool(const char *file) |
2248 | { | |
2249 | char cmd[SIZEOF_STR]; | |
2250 | char file_sq[SIZEOF_STR]; | |
2251 | ||
2252 | if (sq_quote(file_sq, 0, file) < sizeof(file_sq) && | |
2253 | string_format(cmd, "git mergetool %s", file_sq)) { | |
2254 | open_external_viewer(cmd); | |
2255 | } | |
2256 | } | |
2257 | ||
2258 | static void | |
d24ef76c | 2259 | open_editor(bool from_root, const char *file) |
0cea0d43 JF |
2260 | { |
2261 | char cmd[SIZEOF_STR]; | |
2262 | char file_sq[SIZEOF_STR]; | |
2263 | char *editor; | |
7d31b059 | 2264 | char *prefix = from_root ? opt_cdup : ""; |
0cea0d43 JF |
2265 | |
2266 | editor = getenv("GIT_EDITOR"); | |
2267 | if (!editor && *opt_editor) | |
2268 | editor = opt_editor; | |
2269 | if (!editor) | |
2270 | editor = getenv("VISUAL"); | |
2271 | if (!editor) | |
2272 | editor = getenv("EDITOR"); | |
2273 | if (!editor) | |
2274 | editor = "vi"; | |
2275 | ||
2276 | if (sq_quote(file_sq, 0, file) < sizeof(file_sq) && | |
7d31b059 | 2277 | string_format(cmd, "%s %s%s", editor, prefix, file_sq)) { |
d24ef76c | 2278 | open_external_viewer(cmd); |
0cea0d43 JF |
2279 | } |
2280 | } | |
b801d8b2 | 2281 | |
9eb14b72 JF |
2282 | static void |
2283 | open_run_request(enum request request) | |
2284 | { | |
2285 | struct run_request *req = get_run_request(request); | |
2286 | char buf[SIZEOF_STR * 2]; | |
2287 | size_t bufpos; | |
2288 | char *cmd; | |
2289 | ||
2290 | if (!req) { | |
2291 | report("Unknown run request"); | |
2292 | return; | |
2293 | } | |
2294 | ||
2295 | bufpos = 0; | |
2296 | cmd = req->cmd; | |
2297 | ||
2298 | while (cmd) { | |
2299 | char *next = strstr(cmd, "%("); | |
2300 | int len = next - cmd; | |
2301 | char *value; | |
2302 | ||
2303 | if (!next) { | |
2304 | len = strlen(cmd); | |
2305 | value = ""; | |
2306 | ||
2307 | } else if (!strncmp(next, "%(head)", 7)) { | |
2308 | value = ref_head; | |
2309 | ||
2310 | } else if (!strncmp(next, "%(commit)", 9)) { | |
2311 | value = ref_commit; | |
2312 | ||
2313 | } else if (!strncmp(next, "%(blob)", 7)) { | |
2314 | value = ref_blob; | |
2315 | ||
2316 | } else { | |
2317 | report("Unknown replacement in run request: `%s`", req->cmd); | |
2318 | return; | |
2319 | } | |
2320 | ||
2321 | if (!string_format_from(buf, &bufpos, "%.*s%s", len, cmd, value)) | |
2322 | return; | |
2323 | ||
2324 | if (next) | |
2325 | next = strchr(next, ')') + 1; | |
2326 | cmd = next; | |
2327 | } | |
2328 | ||
2329 | open_external_viewer(buf); | |
2330 | } | |
2331 | ||
6b161b31 JF |
2332 | /* |
2333 | * User request switch noodle | |
2334 | */ | |
2335 | ||
b801d8b2 | 2336 | static int |
6b161b31 | 2337 | view_driver(struct view *view, enum request request) |
b801d8b2 | 2338 | { |
b801d8b2 JF |
2339 | int i; |
2340 | ||
1bace428 JF |
2341 | if (request == REQ_NONE) { |
2342 | doupdate(); | |
2343 | return TRUE; | |
2344 | } | |
2345 | ||
9eb14b72 JF |
2346 | if (request > REQ_NONE) { |
2347 | open_run_request(request); | |
2348 | return TRUE; | |
2349 | } | |
2350 | ||
586c423d JF |
2351 | if (view && view->lines) { |
2352 | request = view->ops->request(view, request, &view->line[view->lineno]); | |
2353 | if (request == REQ_NONE) | |
2354 | return TRUE; | |
2355 | } | |
2356 | ||
b801d8b2 | 2357 | switch (request) { |
4a2909a7 JF |
2358 | case REQ_MOVE_UP: |
2359 | case REQ_MOVE_DOWN: | |
2360 | case REQ_MOVE_PAGE_UP: | |
2361 | case REQ_MOVE_PAGE_DOWN: | |
2362 | case REQ_MOVE_FIRST_LINE: | |
2363 | case REQ_MOVE_LAST_LINE: | |
8522ecc7 | 2364 | move_view(view, request); |
fd85fef1 JF |
2365 | break; |
2366 | ||
4a2909a7 JF |
2367 | case REQ_SCROLL_LINE_DOWN: |
2368 | case REQ_SCROLL_LINE_UP: | |
2369 | case REQ_SCROLL_PAGE_DOWN: | |
2370 | case REQ_SCROLL_PAGE_UP: | |
a28bcc22 | 2371 | scroll_view(view, request); |
b801d8b2 JF |
2372 | break; |
2373 | ||
e733ee54 JF |
2374 | case REQ_VIEW_BLOB: |
2375 | if (!ref_blob[0]) { | |
550cd4b5 JF |
2376 | report("No file chosen, press %s to open tree view", |
2377 | get_key(REQ_VIEW_TREE)); | |
e733ee54 JF |
2378 | break; |
2379 | } | |
5c4358d1 JF |
2380 | open_view(view, request, OPEN_DEFAULT); |
2381 | break; | |
2382 | ||
2383 | case REQ_VIEW_PAGER: | |
b64c5b75 | 2384 | if (!opt_pipe && !VIEW(REQ_VIEW_PAGER)->lines) { |
5c4358d1 JF |
2385 | report("No pager content, press %s to run command from prompt", |
2386 | get_key(REQ_PROMPT)); | |
2387 | break; | |
2388 | } | |
2389 | open_view(view, request, OPEN_DEFAULT); | |
2390 | break; | |
2391 | ||
3e634113 JF |
2392 | case REQ_VIEW_STAGE: |
2393 | if (!VIEW(REQ_VIEW_STAGE)->lines) { | |
2394 | report("No stage content, press %s to open the status view and choose file", | |
2395 | get_key(REQ_VIEW_STATUS)); | |
2396 | break; | |
2397 | } | |
2398 | open_view(view, request, OPEN_DEFAULT); | |
2399 | break; | |
2400 | ||
c38c64bb JF |
2401 | case REQ_VIEW_STATUS: |
2402 | if (opt_is_inside_work_tree == FALSE) { | |
2403 | report("The status view requires a working tree"); | |
2404 | break; | |
2405 | } | |
2406 | open_view(view, request, OPEN_DEFAULT); | |
2407 | break; | |
2408 | ||
4a2909a7 | 2409 | case REQ_VIEW_MAIN: |
4a2909a7 | 2410 | case REQ_VIEW_DIFF: |
2e8488b4 | 2411 | case REQ_VIEW_LOG: |
e733ee54 | 2412 | case REQ_VIEW_TREE: |
2e8488b4 | 2413 | case REQ_VIEW_HELP: |
49f2b43f | 2414 | open_view(view, request, OPEN_DEFAULT); |
b801d8b2 JF |
2415 | break; |
2416 | ||
b3a54cba JF |
2417 | case REQ_NEXT: |
2418 | case REQ_PREVIOUS: | |
2419 | request = request == REQ_NEXT ? REQ_MOVE_DOWN : REQ_MOVE_UP; | |
2420 | ||
e733ee54 JF |
2421 | if ((view == VIEW(REQ_VIEW_DIFF) && |
2422 | view->parent == VIEW(REQ_VIEW_MAIN)) || | |
3e634113 | 2423 | (view == VIEW(REQ_VIEW_STAGE) && |
b9b5b4cd | 2424 | view->parent == VIEW(REQ_VIEW_STATUS)) || |
e733ee54 JF |
2425 | (view == VIEW(REQ_VIEW_BLOB) && |
2426 | view->parent == VIEW(REQ_VIEW_TREE))) { | |
03400136 WF |
2427 | int line; |
2428 | ||
b3a54cba | 2429 | view = view->parent; |
03400136 | 2430 | line = view->lineno; |
8522ecc7 JF |
2431 | move_view(view, request); |
2432 | if (view_is_displayed(view)) | |
f0b3ab80 | 2433 | update_view_title(view); |
328d27f7 JF |
2434 | if (line != view->lineno) |
2435 | view->ops->request(view, REQ_ENTER, | |
2436 | &view->line[view->lineno]); | |
2437 | ||
b3a54cba | 2438 | } else { |
8522ecc7 | 2439 | move_view(view, request); |
b3a54cba | 2440 | } |
328d27f7 | 2441 | break; |
6b161b31 | 2442 | |
03a93dbb JF |
2443 | case REQ_VIEW_NEXT: |
2444 | { | |
9f41488f | 2445 | int nviews = displayed_views(); |
03a93dbb JF |
2446 | int next_view = (current_view + 1) % nviews; |
2447 | ||
2448 | if (next_view == current_view) { | |
2449 | report("Only one view is displayed"); | |
2450 | break; | |
2451 | } | |
2452 | ||
2453 | current_view = next_view; | |
2454 | /* Blur out the title of the previous view. */ | |
2455 | update_view_title(view); | |
6734f6b9 | 2456 | report(""); |
03a93dbb JF |
2457 | break; |
2458 | } | |
acaef3b3 JF |
2459 | case REQ_REFRESH: |
2460 | report("Refreshing is not yet supported for the %s view", view->name); | |
2461 | break; | |
2462 | ||
24b5b3e0 | 2463 | case REQ_TOGGLE_LINENO: |
b76c2afc | 2464 | opt_line_number = !opt_line_number; |
20bb5e18 | 2465 | redraw_display(); |
b801d8b2 JF |
2466 | break; |
2467 | ||
54efb62b JF |
2468 | case REQ_TOGGLE_REV_GRAPH: |
2469 | opt_rev_graph = !opt_rev_graph; | |
2470 | redraw_display(); | |
2471 | break; | |
2472 | ||
03a93dbb | 2473 | case REQ_PROMPT: |
8855ada4 | 2474 | /* Always reload^Wrerun commands from the prompt. */ |
49f2b43f | 2475 | open_view(view, opt_request, OPEN_RELOAD); |
03a93dbb JF |
2476 | break; |
2477 | ||
4af34daa JF |
2478 | case REQ_SEARCH: |
2479 | case REQ_SEARCH_BACK: | |
c02d8fce | 2480 | search_view(view, request); |
4af34daa JF |
2481 | break; |
2482 | ||
2483 | case REQ_FIND_NEXT: | |
2484 | case REQ_FIND_PREV: | |
2485 | find_next(view, request); | |
2486 | break; | |
2487 | ||
4a2909a7 | 2488 | case REQ_STOP_LOADING: |
59a45d3a JF |
2489 | for (i = 0; i < ARRAY_SIZE(views); i++) { |
2490 | view = &views[i]; | |
2e8488b4 | 2491 | if (view->pipe) |
6a7bb912 | 2492 | report("Stopped loading the %s view", view->name), |
03a93dbb JF |
2493 | end_update(view); |
2494 | } | |
b801d8b2 JF |
2495 | break; |
2496 | ||
4a2909a7 | 2497 | case REQ_SHOW_VERSION: |
ec31d0d0 | 2498 | report("tig-%s (built %s)", TIG_VERSION, __DATE__); |
b801d8b2 JF |
2499 | return TRUE; |
2500 | ||
fac7db6c JF |
2501 | case REQ_SCREEN_RESIZE: |
2502 | resize_display(); | |
2503 | /* Fall-through */ | |
4a2909a7 | 2504 | case REQ_SCREEN_REDRAW: |
20bb5e18 | 2505 | redraw_display(); |
4a2909a7 JF |
2506 | break; |
2507 | ||
0cea0d43 JF |
2508 | case REQ_EDIT: |
2509 | report("Nothing to edit"); | |
531c6c69 JF |
2510 | break; |
2511 | ||
226da94b | 2512 | |
531c6c69 JF |
2513 | case REQ_ENTER: |
2514 | report("Nothing to enter"); | |
2515 | break; | |
ca1d71ea | 2516 | |
b801d8b2 | 2517 | |
4f9b667a | 2518 | case REQ_VIEW_CLOSE: |
2fcf5401 JF |
2519 | /* XXX: Mark closed views by letting view->parent point to the |
2520 | * view itself. Parents to closed view should never be | |
2521 | * followed. */ | |
2522 | if (view->parent && | |
2523 | view->parent->parent != view->parent) { | |
4f9b667a JF |
2524 | memset(display, 0, sizeof(display)); |
2525 | current_view = 0; | |
f6da0b66 | 2526 | display[current_view] = view->parent; |
2fcf5401 | 2527 | view->parent = view; |
4f9b667a JF |
2528 | resize_display(); |
2529 | redraw_display(); | |
2530 | break; | |
2531 | } | |
2532 | /* Fall-through */ | |
b801d8b2 JF |
2533 | case REQ_QUIT: |
2534 | return FALSE; | |
2535 | ||
2536 | default: | |
2e8488b4 | 2537 | /* An unknown key will show most commonly used commands. */ |
468876c9 | 2538 | report("Unknown key, press 'h' for help"); |
b801d8b2 JF |
2539 | return TRUE; |
2540 | } | |
2541 | ||
2542 | return TRUE; | |
2543 | } | |
2544 | ||
2545 | ||
2546 | /* | |
ff26aa29 | 2547 | * Pager backend |
b801d8b2 JF |
2548 | */ |
2549 | ||
6b161b31 | 2550 | static bool |
5dcf8064 | 2551 | pager_draw(struct view *view, struct line *line, unsigned int lineno, bool selected) |
b801d8b2 | 2552 | { |
fe7233c3 JF |
2553 | char *text = line->data; |
2554 | enum line_type type = line->type; | |
2555 | int textlen = strlen(text); | |
78c70acd | 2556 | int attr; |
b801d8b2 | 2557 | |
6706b2ba JF |
2558 | wmove(view->win, lineno, 0); |
2559 | ||
5dcf8064 | 2560 | if (selected) { |
78c70acd | 2561 | type = LINE_CURSOR; |
6706b2ba | 2562 | wchgat(view->win, -1, 0, type, NULL); |
fd85fef1 JF |
2563 | } |
2564 | ||
78c70acd | 2565 | attr = get_line_attr(type); |
b801d8b2 | 2566 | wattrset(view->win, attr); |
b76c2afc | 2567 | |
6706b2ba JF |
2568 | if (opt_line_number || opt_tab_size < TABSIZE) { |
2569 | static char spaces[] = " "; | |
2570 | int col_offset = 0, col = 0; | |
2571 | ||
2572 | if (opt_line_number) { | |
2573 | unsigned long real_lineno = view->offset + lineno + 1; | |
82e78006 | 2574 | |
6706b2ba JF |
2575 | if (real_lineno == 1 || |
2576 | (real_lineno % opt_num_interval) == 0) { | |
2577 | wprintw(view->win, "%.*d", view->digits, real_lineno); | |
8855ada4 | 2578 | |
6706b2ba JF |
2579 | } else { |
2580 | waddnstr(view->win, spaces, | |
2581 | MIN(view->digits, STRING_SIZE(spaces))); | |
2582 | } | |
2583 | waddstr(view->win, ": "); | |
2584 | col_offset = view->digits + 2; | |
2585 | } | |
8855ada4 | 2586 | |
fe7233c3 | 2587 | while (text && col_offset + col < view->width) { |
6706b2ba | 2588 | int cols_max = view->width - col_offset - col; |
fe7233c3 | 2589 | char *pos = text; |
6706b2ba | 2590 | int cols; |
4c6fabc2 | 2591 | |
fe7233c3 JF |
2592 | if (*text == '\t') { |
2593 | text++; | |
6706b2ba | 2594 | assert(sizeof(spaces) > TABSIZE); |
fe7233c3 | 2595 | pos = spaces; |
6706b2ba | 2596 | cols = opt_tab_size - (col % opt_tab_size); |
82e78006 | 2597 | |
b76c2afc | 2598 | } else { |
fe7233c3 JF |
2599 | text = strchr(text, '\t'); |
2600 | cols = line ? text - pos : strlen(pos); | |
b76c2afc | 2601 | } |
6706b2ba | 2602 | |
fe7233c3 | 2603 | waddnstr(view->win, pos, MIN(cols, cols_max)); |
6706b2ba | 2604 | col += cols; |
b76c2afc | 2605 | } |
b76c2afc JF |
2606 | |
2607 | } else { | |
6706b2ba | 2608 | int col = 0, pos = 0; |
b801d8b2 | 2609 | |
fe7233c3 JF |
2610 | for (; pos < textlen && col < view->width; pos++, col++) |
2611 | if (text[pos] == '\t') | |
6706b2ba JF |
2612 | col += TABSIZE - (col % TABSIZE) - 1; |
2613 | ||
fe7233c3 | 2614 | waddnstr(view->win, text, pos); |
6706b2ba | 2615 | } |
2e8488b4 | 2616 | |
b801d8b2 JF |
2617 | return TRUE; |
2618 | } | |
2619 | ||
dc23c0e3 | 2620 | static bool |
d65ced0d | 2621 | add_describe_ref(char *buf, size_t *bufpos, char *commit_id, const char *sep) |
dc23c0e3 | 2622 | { |
17482b11 | 2623 | char refbuf[SIZEOF_STR]; |
dc23c0e3 JF |
2624 | char *ref = NULL; |
2625 | FILE *pipe; | |
2626 | ||
d3c345f7 | 2627 | if (!string_format(refbuf, "git describe %s 2>/dev/null", commit_id)) |
dc23c0e3 JF |
2628 | return TRUE; |
2629 | ||
2630 | pipe = popen(refbuf, "r"); | |
2631 | if (!pipe) | |
2632 | return TRUE; | |
2633 | ||
2634 | if ((ref = fgets(refbuf, sizeof(refbuf), pipe))) | |
2635 | ref = chomp_string(ref); | |
2636 | pclose(pipe); | |
2637 | ||
2638 | if (!ref || !*ref) | |
2639 | return TRUE; | |
2640 | ||
2641 | /* This is the only fatal call, since it can "corrupt" the buffer. */ | |
17482b11 | 2642 | if (!string_nformat(buf, SIZEOF_STR, bufpos, "%s%s", sep, ref)) |
dc23c0e3 JF |
2643 | return FALSE; |
2644 | ||
2645 | return TRUE; | |
2646 | } | |
2647 | ||
7b99a34c JF |
2648 | static void |
2649 | add_pager_refs(struct view *view, struct line *line) | |
2650 | { | |
17482b11 | 2651 | char buf[SIZEOF_STR]; |
c9ca1ec3 | 2652 | char *commit_id = line->data + STRING_SIZE("commit "); |
7b99a34c | 2653 | struct ref **refs; |
d65ced0d | 2654 | size_t bufpos = 0, refpos = 0; |
7b99a34c | 2655 | const char *sep = "Refs: "; |
dc23c0e3 | 2656 | bool is_tag = FALSE; |
7b99a34c JF |
2657 | |
2658 | assert(line->type == LINE_COMMIT); | |
2659 | ||
c9ca1ec3 | 2660 | refs = get_refs(commit_id); |
dc23c0e3 JF |
2661 | if (!refs) { |
2662 | if (view == VIEW(REQ_VIEW_DIFF)) | |
2663 | goto try_add_describe_ref; | |
7b99a34c | 2664 | return; |
dc23c0e3 | 2665 | } |
7b99a34c JF |
2666 | |
2667 | do { | |
cc2d1364 | 2668 | struct ref *ref = refs[refpos]; |
e15ec88e JF |
2669 | char *fmt = ref->tag ? "%s[%s]" : |
2670 | ref->remote ? "%s<%s>" : "%s%s"; | |
7b99a34c | 2671 | |
cc2d1364 JF |
2672 | if (!string_format_from(buf, &bufpos, fmt, sep, ref->name)) |
2673 | return; | |
7b99a34c | 2674 | sep = ", "; |
dc23c0e3 JF |
2675 | if (ref->tag) |
2676 | is_tag = TRUE; | |
7b99a34c JF |
2677 | } while (refs[refpos++]->next); |
2678 | ||
dc23c0e3 JF |
2679 | if (!is_tag && view == VIEW(REQ_VIEW_DIFF)) { |
2680 | try_add_describe_ref: | |
d42c8a35 | 2681 | /* Add <tag>-g<commit_id> "fake" reference. */ |
dc23c0e3 JF |
2682 | if (!add_describe_ref(buf, &bufpos, commit_id, sep)) |
2683 | return; | |
2684 | } | |
2685 | ||
d42c8a35 JF |
2686 | if (bufpos == 0) |
2687 | return; | |
2688 | ||
cc2d1364 | 2689 | if (!realloc_lines(view, view->line_size + 1)) |
7b99a34c JF |
2690 | return; |
2691 | ||
0a0d8910 | 2692 | add_line_text(view, buf, LINE_PP_REFS); |
7b99a34c JF |
2693 | } |
2694 | ||
6b161b31 | 2695 | static bool |
701e4f5d | 2696 | pager_read(struct view *view, char *data) |
22f66b0a | 2697 | { |
0a0d8910 | 2698 | struct line *line; |
22f66b0a | 2699 | |
be04d936 JF |
2700 | if (!data) |
2701 | return TRUE; | |
2702 | ||
0a0d8910 JF |
2703 | line = add_line_text(view, data, get_line_type(data)); |
2704 | if (!line) | |
7b99a34c | 2705 | return FALSE; |
fe7233c3 | 2706 | |
7b99a34c JF |
2707 | if (line->type == LINE_COMMIT && |
2708 | (view == VIEW(REQ_VIEW_DIFF) || | |
2709 | view == VIEW(REQ_VIEW_LOG))) | |
2710 | add_pager_refs(view, line); | |
2711 | ||
22f66b0a JF |
2712 | return TRUE; |
2713 | } | |
2714 | ||
586c423d JF |
2715 | static enum request |
2716 | pager_request(struct view *view, enum request request, struct line *line) | |
6b161b31 | 2717 | { |
91e8e277 | 2718 | int split = 0; |
6b161b31 | 2719 | |
586c423d JF |
2720 | if (request != REQ_ENTER) |
2721 | return request; | |
2722 | ||
9fbbd28f JF |
2723 | if (line->type == LINE_COMMIT && |
2724 | (view == VIEW(REQ_VIEW_LOG) || | |
2725 | view == VIEW(REQ_VIEW_PAGER))) { | |
91e8e277 JF |
2726 | open_view(view, REQ_VIEW_DIFF, OPEN_SPLIT); |
2727 | split = 1; | |
67e48ac5 JF |
2728 | } |
2729 | ||
91e8e277 JF |
2730 | /* Always scroll the view even if it was split. That way |
2731 | * you can use Enter to scroll through the log view and | |
2732 | * split open each commit diff. */ | |
2733 | scroll_view(view, REQ_SCROLL_LINE_DOWN); | |
2734 | ||
2735 | /* FIXME: A minor workaround. Scrolling the view will call report("") | |
9d82d824 JF |
2736 | * but if we are scrolling a non-current view this won't properly |
2737 | * update the view title. */ | |
91e8e277 JF |
2738 | if (split) |
2739 | update_view_title(view); | |
6b161b31 | 2740 | |
586c423d | 2741 | return REQ_NONE; |
6b161b31 JF |
2742 | } |
2743 | ||
4af34daa JF |
2744 | static bool |
2745 | pager_grep(struct view *view, struct line *line) | |
2746 | { | |
2747 | regmatch_t pmatch; | |
2748 | char *text = line->data; | |
2749 | ||
2750 | if (!*text) | |
2751 | return FALSE; | |
2752 | ||
b77b2cb8 | 2753 | if (regexec(view->regex, text, 1, &pmatch, 0) == REG_NOMATCH) |
4af34daa JF |
2754 | return FALSE; |
2755 | ||
2756 | return TRUE; | |
2757 | } | |
2758 | ||
d720de4b JF |
2759 | static void |
2760 | pager_select(struct view *view, struct line *line) | |
2761 | { | |
2762 | if (line->type == LINE_COMMIT) { | |
035ba11f | 2763 | char *text = line->data + STRING_SIZE("commit "); |
d720de4b | 2764 | |
035ba11f | 2765 | if (view != VIEW(REQ_VIEW_PAGER)) |
2463b4ea JF |
2766 | string_copy_rev(view->ref, text); |
2767 | string_copy_rev(ref_commit, text); | |
d720de4b JF |
2768 | } |
2769 | } | |
2770 | ||
6b161b31 | 2771 | static struct view_ops pager_ops = { |
6734f6b9 | 2772 | "line", |
f098944b | 2773 | NULL, |
6b161b31 | 2774 | pager_read, |
f098944b | 2775 | pager_draw, |
586c423d | 2776 | pager_request, |
f098944b JF |
2777 | pager_grep, |
2778 | pager_select, | |
2779 | }; | |
2780 | ||
2781 | ||
2782 | /* | |
2783 | * Help backend | |
2784 | */ | |
2785 | ||
2786 | static bool | |
2787 | help_open(struct view *view) | |
2788 | { | |
2789 | char buf[BUFSIZ]; | |
2790 | int lines = ARRAY_SIZE(req_info) + 2; | |
2791 | int i; | |
2792 | ||
2793 | if (view->lines > 0) | |
2794 | return TRUE; | |
2795 | ||
2796 | for (i = 0; i < ARRAY_SIZE(req_info); i++) | |
2797 | if (!req_info[i].request) | |
2798 | lines++; | |
2799 | ||
9eb14b72 JF |
2800 | lines += run_requests + 1; |
2801 | ||
f098944b JF |
2802 | view->line = calloc(lines, sizeof(*view->line)); |
2803 | if (!view->line) | |
2804 | return FALSE; | |
2805 | ||
2806 | add_line_text(view, "Quick reference for tig keybindings:", LINE_DEFAULT); | |
2807 | ||
2808 | for (i = 0; i < ARRAY_SIZE(req_info); i++) { | |
2809 | char *key; | |
2810 | ||
0e4360b6 JF |
2811 | if (req_info[i].request == REQ_NONE) |
2812 | continue; | |
2813 | ||
f098944b JF |
2814 | if (!req_info[i].request) { |
2815 | add_line_text(view, "", LINE_DEFAULT); | |
2816 | add_line_text(view, req_info[i].help, LINE_DEFAULT); | |
2817 | continue; | |
2818 | } | |
2819 | ||
2820 | key = get_key(req_info[i].request); | |
0e4360b6 JF |
2821 | if (!*key) |
2822 | key = "(no key defined)"; | |
2823 | ||
f098944b JF |
2824 | if (!string_format(buf, " %-25s %s", key, req_info[i].help)) |
2825 | continue; | |
2826 | ||
2827 | add_line_text(view, buf, LINE_DEFAULT); | |
2828 | } | |
2829 | ||
9eb14b72 JF |
2830 | if (run_requests) { |
2831 | add_line_text(view, "", LINE_DEFAULT); | |
2832 | add_line_text(view, "External commands:", LINE_DEFAULT); | |
2833 | } | |
2834 | ||
2835 | for (i = 0; i < run_requests; i++) { | |
2836 | struct run_request *req = get_run_request(REQ_NONE + i + 1); | |
2837 | char *key; | |
2838 | ||
2839 | if (!req) | |
2840 | continue; | |
2841 | ||
2842 | key = get_key_name(req->key); | |
2843 | if (!*key) | |
2844 | key = "(no key defined)"; | |
2845 | ||
2846 | if (!string_format(buf, " %-10s %-14s `%s`", | |
2847 | keymap_table[req->keymap].name, | |
2848 | key, req->cmd)) | |
2849 | continue; | |
2850 | ||
2851 | add_line_text(view, buf, LINE_DEFAULT); | |
2852 | } | |
2853 | ||
f098944b JF |
2854 | return TRUE; |
2855 | } | |
2856 | ||
2857 | static struct view_ops help_ops = { | |
2858 | "line", | |
2859 | help_open, | |
2860 | NULL, | |
2861 | pager_draw, | |
586c423d | 2862 | pager_request, |
4af34daa | 2863 | pager_grep, |
d720de4b | 2864 | pager_select, |
6b161b31 JF |
2865 | }; |
2866 | ||
80ce96ea | 2867 | |
ff26aa29 | 2868 | /* |
e733ee54 JF |
2869 | * Tree backend |
2870 | */ | |
2871 | ||
69efc854 JF |
2872 | struct tree_stack_entry { |
2873 | struct tree_stack_entry *prev; /* Entry below this in the stack */ | |
2874 | unsigned long lineno; /* Line number to restore */ | |
2875 | char *name; /* Position of name in opt_path */ | |
2876 | }; | |
2877 | ||
2878 | /* The top of the path stack. */ | |
2879 | static struct tree_stack_entry *tree_stack = NULL; | |
2880 | unsigned long tree_lineno = 0; | |
2881 | ||
2882 | static void | |
2883 | pop_tree_stack_entry(void) | |
2884 | { | |
2885 | struct tree_stack_entry *entry = tree_stack; | |
2886 | ||
2887 | tree_lineno = entry->lineno; | |
2888 | entry->name[0] = 0; | |
2889 | tree_stack = entry->prev; | |
2890 | free(entry); | |
2891 | } | |
2892 | ||
2893 | static void | |
2894 | push_tree_stack_entry(char *name, unsigned long lineno) | |
2895 | { | |
2896 | struct tree_stack_entry *entry = calloc(1, sizeof(*entry)); | |
2897 | size_t pathlen = strlen(opt_path); | |
2898 | ||
2899 | if (!entry) | |
2900 | return; | |
2901 | ||
2902 | entry->prev = tree_stack; | |
2903 | entry->name = opt_path + pathlen; | |
2904 | tree_stack = entry; | |
2905 | ||
2906 | if (!string_format_from(opt_path, &pathlen, "%s/", name)) { | |
2907 | pop_tree_stack_entry(); | |
2908 | return; | |
2909 | } | |
2910 | ||
2911 | /* Move the current line to the first tree entry. */ | |
2912 | tree_lineno = 1; | |
2913 | entry->lineno = lineno; | |
2914 | } | |
2915 | ||
4795d620 | 2916 | /* Parse output from git-ls-tree(1): |
e733ee54 JF |
2917 | * |
2918 | * 100644 blob fb0e31ea6cc679b7379631188190e975f5789c26 Makefile | |
2919 | * 100644 blob 5304ca4260aaddaee6498f9630e7d471b8591ea6 README | |
2920 | * 100644 blob f931e1d229c3e185caad4449bf5b66ed72462657 tig.c | |
2921 | * 100644 blob ed09fe897f3c7c9af90bcf80cae92558ea88ae38 web.conf | |
2922 | */ | |
2923 | ||
2924 | #define SIZEOF_TREE_ATTR \ | |
2925 | STRING_SIZE("100644 blob ed09fe897f3c7c9af90bcf80cae92558ea88ae38\t") | |
2926 | ||
2927 | #define TREE_UP_FORMAT "040000 tree %s\t.." | |
2928 | ||
2929 | static int | |
2930 | tree_compare_entry(enum line_type type1, char *name1, | |
2931 | enum line_type type2, char *name2) | |
2932 | { | |
2933 | if (type1 != type2) { | |
2934 | if (type1 == LINE_TREE_DIR) | |
2935 | return -1; | |
2936 | return 1; | |
2937 | } | |
2938 | ||
2939 | return strcmp(name1, name2); | |
2940 | } | |
2941 | ||
2942 | static bool | |
2943 | tree_read(struct view *view, char *text) | |
2944 | { | |
be04d936 | 2945 | size_t textlen = text ? strlen(text) : 0; |
e733ee54 JF |
2946 | char buf[SIZEOF_STR]; |
2947 | unsigned long pos; | |
2948 | enum line_type type; | |
f88a5319 | 2949 | bool first_read = view->lines == 0; |
e733ee54 JF |
2950 | |
2951 | if (textlen <= SIZEOF_TREE_ATTR) | |
2952 | return FALSE; | |
2953 | ||
2954 | type = text[STRING_SIZE("100644 ")] == 't' | |
2955 | ? LINE_TREE_DIR : LINE_TREE_FILE; | |
2956 | ||
f88a5319 | 2957 | if (first_read) { |
e733ee54 | 2958 | /* Add path info line */ |
0a0d8910 JF |
2959 | if (!string_format(buf, "Directory path /%s", opt_path) || |
2960 | !realloc_lines(view, view->line_size + 1) || | |
2961 | !add_line_text(view, buf, LINE_DEFAULT)) | |
e733ee54 JF |
2962 | return FALSE; |
2963 | ||
2964 | /* Insert "link" to parent directory. */ | |
0a0d8910 JF |
2965 | if (*opt_path) { |
2966 | if (!string_format(buf, TREE_UP_FORMAT, view->ref) || | |
2967 | !realloc_lines(view, view->line_size + 1) || | |
2968 | !add_line_text(view, buf, LINE_TREE_DIR)) | |
2969 | return FALSE; | |
2970 | } | |
e733ee54 JF |
2971 | } |
2972 | ||
2973 | /* Strip the path part ... */ | |
2974 | if (*opt_path) { | |
2975 | size_t pathlen = textlen - SIZEOF_TREE_ATTR; | |
2976 | size_t striplen = strlen(opt_path); | |
2977 | char *path = text + SIZEOF_TREE_ATTR; | |
2978 | ||
2979 | if (pathlen > striplen) | |
2980 | memmove(path, path + striplen, | |
2981 | pathlen - striplen + 1); | |
2982 | } | |
2983 | ||
2984 | /* Skip "Directory ..." and ".." line. */ | |
2985 | for (pos = 1 + !!*opt_path; pos < view->lines; pos++) { | |
2986 | struct line *line = &view->line[pos]; | |
2987 | char *path1 = ((char *) line->data) + SIZEOF_TREE_ATTR; | |
2988 | char *path2 = text + SIZEOF_TREE_ATTR; | |
2989 | int cmp = tree_compare_entry(line->type, path1, type, path2); | |
2990 | ||
2991 | if (cmp <= 0) | |
2992 | continue; | |
2993 | ||
2994 | text = strdup(text); | |
2995 | if (!text) | |
2996 | return FALSE; | |
2997 | ||
2998 | if (view->lines > pos) | |
2999 | memmove(&view->line[pos + 1], &view->line[pos], | |
3000 | (view->lines - pos) * sizeof(*line)); | |
3001 | ||
3002 | line = &view->line[pos]; | |
3003 | line->data = text; | |
3004 | line->type = type; | |
3005 | view->lines++; | |
3006 | return TRUE; | |
3007 | } | |
3008 | ||
0a0d8910 | 3009 | if (!add_line_text(view, text, type)) |
e733ee54 JF |
3010 | return FALSE; |
3011 | ||
69efc854 JF |
3012 | if (tree_lineno > view->lineno) { |
3013 | view->lineno = tree_lineno; | |
3014 | tree_lineno = 0; | |
3015 | } | |
f88a5319 | 3016 | |
e733ee54 JF |
3017 | return TRUE; |
3018 | } | |
3019 | ||
586c423d JF |
3020 | static enum request |
3021 | tree_request(struct view *view, enum request request, struct line *line) | |
e733ee54 | 3022 | { |
aac64c17 | 3023 | enum open_flags flags; |
586c423d | 3024 | |
c509eed2 DV |
3025 | if (request == REQ_TREE_PARENT) { |
3026 | if (*opt_path) { | |
3027 | /* fake 'cd ..' */ | |
3028 | request = REQ_ENTER; | |
3029 | line = &view->line[1]; | |
3030 | } else { | |
3031 | /* quit view if at top of tree */ | |
3032 | return REQ_VIEW_CLOSE; | |
3033 | } | |
3034 | } | |
586c423d JF |
3035 | if (request != REQ_ENTER) |
3036 | return request; | |
e733ee54 | 3037 | |
69efc854 JF |
3038 | /* Cleanup the stack if the tree view is at a different tree. */ |
3039 | while (!*opt_path && tree_stack) | |
3040 | pop_tree_stack_entry(); | |
3041 | ||
e733ee54 JF |
3042 | switch (line->type) { |
3043 | case LINE_TREE_DIR: | |
3044 | /* Depending on whether it is a subdir or parent (updir?) link | |
3045 | * mangle the path buffer. */ | |
3046 | if (line == &view->line[1] && *opt_path) { | |
69efc854 | 3047 | pop_tree_stack_entry(); |
e733ee54 JF |
3048 | |
3049 | } else { | |
4795d620 | 3050 | char *data = line->data; |
e733ee54 JF |
3051 | char *basename = data + SIZEOF_TREE_ATTR; |
3052 | ||
69efc854 | 3053 | push_tree_stack_entry(basename, view->lineno); |
e733ee54 JF |
3054 | } |
3055 | ||
3056 | /* Trees and subtrees share the same ID, so they are not not | |
3057 | * unique like blobs. */ | |
aac64c17 | 3058 | flags = OPEN_RELOAD; |
e733ee54 JF |
3059 | request = REQ_VIEW_TREE; |
3060 | break; | |
3061 | ||
3062 | case LINE_TREE_FILE: | |
aac64c17 | 3063 | flags = display[0] == view ? OPEN_SPLIT : OPEN_DEFAULT; |
e733ee54 JF |
3064 | request = REQ_VIEW_BLOB; |
3065 | break; | |
3066 | ||
3067 | default: | |
3068 | return TRUE; | |
3069 | } | |
3070 | ||
3071 | open_view(view, request, flags); | |
69efc854 JF |
3072 | if (request == REQ_VIEW_TREE) { |
3073 | view->lineno = tree_lineno; | |
3074 | } | |
e733ee54 | 3075 | |
586c423d | 3076 | return REQ_NONE; |
e733ee54 JF |
3077 | } |
3078 | ||
d720de4b JF |
3079 | static void |
3080 | tree_select(struct view *view, struct line *line) | |
3081 | { | |
035ba11f | 3082 | char *text = line->data + STRING_SIZE("100644 blob "); |
73c76ef5 JF |
3083 | |
3084 | if (line->type == LINE_TREE_FILE) { | |
2463b4ea | 3085 | string_copy_rev(ref_blob, text); |
d720de4b | 3086 | |
ebbaf4fe JF |
3087 | } else if (line->type != LINE_TREE_DIR) { |
3088 | return; | |
d720de4b | 3089 | } |
ebbaf4fe | 3090 | |
2463b4ea | 3091 | string_copy_rev(view->ref, text); |
d720de4b JF |
3092 | } |
3093 | ||
e733ee54 JF |
3094 | static struct view_ops tree_ops = { |
3095 | "file", | |
f098944b | 3096 | NULL, |
e733ee54 | 3097 | tree_read, |
f098944b | 3098 | pager_draw, |
586c423d | 3099 | tree_request, |
e733ee54 | 3100 | pager_grep, |
d720de4b | 3101 | tree_select, |
e733ee54 JF |
3102 | }; |
3103 | ||
3104 | static bool | |
3105 | blob_read(struct view *view, char *line) | |
3106 | { | |
c115e7ac | 3107 | return add_line_text(view, line, LINE_DEFAULT) != NULL; |
e733ee54 JF |
3108 | } |
3109 | ||
3110 | static struct view_ops blob_ops = { | |
3111 | "line", | |
f098944b | 3112 | NULL, |
e733ee54 | 3113 | blob_read, |
f098944b | 3114 | pager_draw, |
586c423d | 3115 | pager_request, |
e733ee54 | 3116 | pager_grep, |
d720de4b | 3117 | pager_select, |
e733ee54 JF |
3118 | }; |
3119 | ||
3120 | ||
3121 | /* | |
173d76ea JF |
3122 | * Status backend |
3123 | */ | |
3124 | ||
3125 | struct status { | |
3126 | char status; | |
3127 | struct { | |
3128 | mode_t mode; | |
3129 | char rev[SIZEOF_REV]; | |
3130 | } old; | |
3131 | struct { | |
3132 | mode_t mode; | |
3133 | char rev[SIZEOF_REV]; | |
3134 | } new; | |
3135 | char name[SIZEOF_STR]; | |
3136 | }; | |
3137 | ||
b33611d8 JF |
3138 | static struct status stage_status; |
3139 | static enum line_type stage_line_type; | |
3140 | ||
173d76ea JF |
3141 | /* Get fields from the diff line: |
3142 | * :100644 100644 06a5d6ae9eca55be2e0e585a152e6b1336f2b20e 0000000000000000000000000000000000000000 M | |
3143 | */ | |
3144 | static inline bool | |
3145 | status_get_diff(struct status *file, char *buf, size_t bufsize) | |
3146 | { | |
3147 | char *old_mode = buf + 1; | |
3148 | char *new_mode = buf + 8; | |
3149 | char *old_rev = buf + 15; | |
3150 | char *new_rev = buf + 56; | |
3151 | char *status = buf + 97; | |
3152 | ||
3153 | if (bufsize != 99 || | |
3154 | old_mode[-1] != ':' || | |
3155 | new_mode[-1] != ' ' || | |
3156 | old_rev[-1] != ' ' || | |
3157 | new_rev[-1] != ' ' || | |
3158 | status[-1] != ' ') | |
3159 | return FALSE; | |
3160 | ||
3161 | file->status = *status; | |
3162 | ||
3163 | string_copy_rev(file->old.rev, old_rev); | |
3164 | string_copy_rev(file->new.rev, new_rev); | |
3165 | ||
3166 | file->old.mode = strtoul(old_mode, NULL, 8); | |
3167 | file->new.mode = strtoul(new_mode, NULL, 8); | |
3168 | ||
3169 | file->name[0] = 0; | |
3170 | ||
3171 | return TRUE; | |
3172 | } | |
3173 | ||
3174 | static bool | |
3175 | status_run(struct view *view, const char cmd[], bool diff, enum line_type type) | |
3176 | { | |
3177 | struct status *file = NULL; | |
b5c18d9d | 3178 | struct status *unmerged = NULL; |
173d76ea JF |
3179 | char buf[SIZEOF_STR * 4]; |
3180 | size_t bufsize = 0; | |
3181 | FILE *pipe; | |
3182 | ||
3183 | pipe = popen(cmd, "r"); | |
3184 | if (!pipe) | |
3185 | return FALSE; | |
3186 | ||
3187 | add_line_data(view, NULL, type); | |
3188 | ||
3189 | while (!feof(pipe) && !ferror(pipe)) { | |
3190 | char *sep; | |
3191 | size_t readsize; | |
3192 | ||
3193 | readsize = fread(buf + bufsize, 1, sizeof(buf) - bufsize, pipe); | |
3194 | if (!readsize) | |
3195 | break; | |
3196 | bufsize += readsize; | |
3197 | ||
3198 | /* Process while we have NUL chars. */ | |
3199 | while ((sep = memchr(buf, 0, bufsize))) { | |
3200 | size_t sepsize = sep - buf + 1; | |
3201 | ||
3202 | if (!file) { | |
3203 | if (!realloc_lines(view, view->line_size + 1)) | |
3204 | goto error_out; | |
3205 | ||
3206 | file = calloc(1, sizeof(*file)); | |
3207 | if (!file) | |
3208 | goto error_out; | |
3209 | ||
3210 | add_line_data(view, file, type); | |
3211 | } | |
3212 | ||
3213 | /* Parse diff info part. */ | |
3214 | if (!diff) { | |
3215 | file->status = '?'; | |
3216 | ||
3217 | } else if (!file->status) { | |
3218 | if (!status_get_diff(file, buf, sepsize)) | |
3219 | goto error_out; | |
3220 | ||
3221 | bufsize -= sepsize; | |
3222 | memmove(buf, sep + 1, bufsize); | |
3223 | ||
3224 | sep = memchr(buf, 0, bufsize); | |
3225 | if (!sep) | |
3226 | break; | |
3227 | sepsize = sep - buf + 1; | |
b5c18d9d JF |
3228 | |
3229 | /* Collapse all 'M'odified entries that | |
3230 | * follow a associated 'U'nmerged entry. | |
3231 | */ | |
3232 | if (file->status == 'U') { | |
3233 | unmerged = file; | |
3234 | ||
3235 | } else if (unmerged) { | |
3236 | int collapse = !strcmp(buf, unmerged->name); | |
3237 | ||
3238 | unmerged = NULL; | |
3239 | if (collapse) { | |
3240 | free(file); | |
3241 | view->lines--; | |
3242 | continue; | |
3243 | } | |
3244 | } | |
173d76ea JF |
3245 | } |
3246 | ||
3247 | /* git-ls-files just delivers a NUL separated | |
3248 | * list of file names similar to the second half | |
3249 | * of the git-diff-* output. */ | |
3250 | string_ncopy(file->name, buf, sepsize); | |
3251 | bufsize -= sepsize; | |
3252 | memmove(buf, sep + 1, bufsize); | |
3253 | file = NULL; | |
3254 | } | |
3255 | } | |
3256 | ||
3257 | if (ferror(pipe)) { | |
3258 | error_out: | |
3259 | pclose(pipe); | |
3260 | return FALSE; | |
3261 | } | |
3262 | ||
3263 | if (!view->line[view->lines - 1].data) | |
3264 | add_line_data(view, NULL, LINE_STAT_NONE); | |
3265 | ||
3266 | pclose(pipe); | |
3267 | return TRUE; | |
3268 | } | |
3269 | ||
b5c18d9d JF |
3270 | /* Don't show unmerged entries in the staged section. */ |
3271 | #define STATUS_DIFF_INDEX_CMD "git diff-index -z --diff-filter=ACDMRTXB --cached HEAD" | |
173d76ea JF |
3272 | #define STATUS_DIFF_FILES_CMD "git diff-files -z" |
3273 | #define STATUS_LIST_OTHER_CMD \ | |
810f0078 | 3274 | "git ls-files -z --others --exclude-per-directory=.gitignore" |
173d76ea | 3275 | |
f99c6095 JF |
3276 | #define STATUS_DIFF_INDEX_SHOW_CMD \ |
3277 | "git diff-index --root --patch-with-stat --find-copies-harder -B -C --cached HEAD -- %s 2>/dev/null" | |
3278 | ||
3279 | #define STATUS_DIFF_FILES_SHOW_CMD \ | |
3280 | "git diff-files --root --patch-with-stat --find-copies-harder -B -C -- %s 2>/dev/null" | |
89d917a2 | 3281 | |
173d76ea JF |
3282 | /* First parse staged info using git-diff-index(1), then parse unstaged |
3283 | * info using git-diff-files(1), and finally untracked files using | |
3284 | * git-ls-files(1). */ | |
3285 | static bool | |
3286 | status_open(struct view *view) | |
3287 | { | |
810f0078 JF |
3288 | struct stat statbuf; |
3289 | char exclude[SIZEOF_STR]; | |
3290 | char cmd[SIZEOF_STR]; | |
12e8c2be | 3291 | unsigned long prev_lineno = view->lineno; |
173d76ea JF |
3292 | size_t i; |
3293 | ||
3294 | for (i = 0; i < view->lines; i++) | |
3295 | free(view->line[i].data); | |
3296 | free(view->line); | |
12e8c2be | 3297 | view->lines = view->line_size = view->lineno = 0; |
173d76ea JF |
3298 | view->line = NULL; |
3299 | ||
3300 | if (!realloc_lines(view, view->line_size + 6)) | |
3301 | return FALSE; | |
3302 | ||
810f0078 JF |
3303 | if (!string_format(exclude, "%s/info/exclude", opt_git_dir)) |
3304 | return FALSE; | |
3305 | ||
3306 | string_copy(cmd, STATUS_LIST_OTHER_CMD); | |
3307 | ||
3308 | if (stat(exclude, &statbuf) >= 0) { | |
3309 | size_t cmdsize = strlen(cmd); | |
3310 | ||
3311 | if (!string_format_from(cmd, &cmdsize, " %s", "--exclude-from=") || | |
3312 | sq_quote(cmd, cmdsize, exclude) >= sizeof(cmd)) | |
3313 | return FALSE; | |
3314 | } | |
3315 | ||
173d76ea JF |
3316 | if (!status_run(view, STATUS_DIFF_INDEX_CMD, TRUE, LINE_STAT_STAGED) || |
3317 | !status_run(view, STATUS_DIFF_FILES_CMD, TRUE, LINE_STAT_UNSTAGED) || | |
810f0078 | 3318 | !status_run(view, cmd, FALSE, LINE_STAT_UNTRACKED)) |
173d76ea JF |
3319 | return FALSE; |
3320 | ||
12e8c2be JF |
3321 | /* If all went well restore the previous line number to stay in |
3322 | * the context. */ | |
3323 | if (prev_lineno < view->lines) | |
3324 | view->lineno = prev_lineno; | |
3325 | else | |
3326 | view->lineno = view->lines - 1; | |
3327 | ||
173d76ea JF |
3328 | return TRUE; |
3329 | } | |
3330 | ||
3331 | static bool | |
3332 | status_draw(struct view *view, struct line *line, unsigned int lineno, bool selected) | |
3333 | { | |
3334 | struct status *status = line->data; | |
3335 | ||
3336 | wmove(view->win, lineno, 0); | |
3337 | ||
3338 | if (selected) { | |
3339 | wattrset(view->win, get_line_attr(LINE_CURSOR)); | |
3340 | wchgat(view->win, -1, 0, LINE_CURSOR, NULL); | |
3341 | ||
3342 | } else if (!status && line->type != LINE_STAT_NONE) { | |
3343 | wattrset(view->win, get_line_attr(LINE_STAT_SECTION)); | |
3344 | wchgat(view->win, -1, 0, LINE_STAT_SECTION, NULL); | |
3345 | ||
3346 | } else { | |
3347 | wattrset(view->win, get_line_attr(line->type)); | |
3348 | } | |
3349 | ||
3350 | if (!status) { | |
3351 | char *text; | |
3352 | ||
3353 | switch (line->type) { | |
3354 | case LINE_STAT_STAGED: | |
3355 | text = "Changes to be committed:"; | |
3356 | break; | |
3357 | ||
3358 | case LINE_STAT_UNSTAGED: | |
3359 | text = "Changed but not updated:"; | |
3360 | break; | |
3361 | ||
3362 | case LINE_STAT_UNTRACKED: | |
3363 | text = "Untracked files:"; | |
3364 | break; | |
3365 | ||
3366 | case LINE_STAT_NONE: | |
3367 | text = " (no files)"; | |
3368 | break; | |
3369 | ||
3370 | default: | |
3371 | return FALSE; | |
3372 | } | |
3373 | ||
3374 | waddstr(view->win, text); | |
3375 | return TRUE; | |
3376 | } | |
3377 | ||
3378 | waddch(view->win, status->status); | |
3379 | if (!selected) | |
3380 | wattrset(view->win, A_NORMAL); | |
3381 | wmove(view->win, lineno, 4); | |
3382 | waddstr(view->win, status->name); | |
3383 | ||
3384 | return TRUE; | |
3385 | } | |
3386 | ||
586c423d | 3387 | static enum request |
88f66e2d | 3388 | status_enter(struct view *view, struct line *line) |
173d76ea | 3389 | { |
89d917a2 | 3390 | struct status *status = line->data; |
4e8159cf | 3391 | char path[SIZEOF_STR] = ""; |
89d917a2 JF |
3392 | char *info; |
3393 | size_t cmdsize = 0; | |
3394 | ||
4e8159cf JF |
3395 | if (line->type == LINE_STAT_NONE || |
3396 | (!status && line[1].type == LINE_STAT_NONE)) { | |
3397 | report("No file to diff"); | |
586c423d | 3398 | return REQ_NONE; |
89d917a2 JF |
3399 | } |
3400 | ||
4e8159cf | 3401 | if (status && sq_quote(path, 0, status->name) >= sizeof(path)) |
586c423d | 3402 | return REQ_QUIT; |
89d917a2 JF |
3403 | |
3404 | if (opt_cdup[0] && | |
3405 | line->type != LINE_STAT_UNTRACKED && | |
3406 | !string_format_from(opt_cmd, &cmdsize, "cd %s;", opt_cdup)) | |
586c423d | 3407 | return REQ_QUIT; |
89d917a2 JF |
3408 | |
3409 | switch (line->type) { | |
3410 | case LINE_STAT_STAGED: | |
f99c6095 JF |
3411 | if (!string_format_from(opt_cmd, &cmdsize, |
3412 | STATUS_DIFF_INDEX_SHOW_CMD, path)) | |
586c423d | 3413 | return REQ_QUIT; |
4e8159cf JF |
3414 | if (status) |
3415 | info = "Staged changes to %s"; | |
3416 | else | |
3417 | info = "Staged changes"; | |
89d917a2 JF |
3418 | break; |
3419 | ||
3420 | case LINE_STAT_UNSTAGED: | |
f99c6095 JF |
3421 | if (!string_format_from(opt_cmd, &cmdsize, |
3422 | STATUS_DIFF_FILES_SHOW_CMD, path)) | |
586c423d | 3423 | return REQ_QUIT; |
4e8159cf JF |
3424 | if (status) |
3425 | info = "Unstaged changes to %s"; | |
3426 | else | |
3427 | info = "Unstaged changes"; | |
89d917a2 JF |
3428 | break; |
3429 | ||
3430 | case LINE_STAT_UNTRACKED: | |
3431 | if (opt_pipe) | |
586c423d JF |
3432 | return REQ_QUIT; |
3433 | ||
4e8159cf JF |
3434 | |
3435 | if (!status) { | |
3436 | report("No file to show"); | |
586c423d | 3437 | return REQ_NONE; |
4e8159cf JF |
3438 | } |
3439 | ||
89d917a2 JF |
3440 | opt_pipe = fopen(status->name, "r"); |
3441 | info = "Untracked file %s"; | |
3442 | break; | |
3443 | ||
3444 | default: | |
e77aa656 | 3445 | die("line type %d not handled in switch", line->type); |
89d917a2 JF |
3446 | } |
3447 | ||
3e634113 JF |
3448 | open_view(view, REQ_VIEW_STAGE, OPEN_RELOAD | OPEN_SPLIT); |
3449 | if (view_is_displayed(VIEW(REQ_VIEW_STAGE))) { | |
b33611d8 JF |
3450 | if (status) { |
3451 | stage_status = *status; | |
3452 | } else { | |
3453 | memset(&stage_status, 0, sizeof(stage_status)); | |
3454 | } | |
3455 | ||
3456 | stage_line_type = line->type; | |
3457 | string_format(VIEW(REQ_VIEW_STAGE)->ref, info, stage_status.name); | |
89d917a2 JF |
3458 | } |
3459 | ||
586c423d | 3460 | return REQ_NONE; |
ca1d71ea JF |
3461 | } |
3462 | ||
88f66e2d | 3463 | |
ca1d71ea JF |
3464 | static bool |
3465 | status_update_file(struct view *view, struct status *status, enum line_type type) | |
3466 | { | |
91c5d983 | 3467 | char cmd[SIZEOF_STR]; |
173d76ea | 3468 | char buf[SIZEOF_STR]; |
91c5d983 | 3469 | size_t cmdsize = 0; |
173d76ea JF |
3470 | size_t bufsize = 0; |
3471 | size_t written = 0; | |
3472 | FILE *pipe; | |
3473 | ||
91c5d983 | 3474 | if (opt_cdup[0] && |
ca1d71ea | 3475 | type != LINE_STAT_UNTRACKED && |
91c5d983 JF |
3476 | !string_format_from(cmd, &cmdsize, "cd %s;", opt_cdup)) |
3477 | return FALSE; | |
3478 | ||
ca1d71ea | 3479 | switch (type) { |
173d76ea JF |
3480 | case LINE_STAT_STAGED: |
3481 | if (!string_format_from(buf, &bufsize, "%06o %s\t%s%c", | |
3482 | status->old.mode, | |
3483 | status->old.rev, | |
3484 | status->name, 0)) | |
3485 | return FALSE; | |
91c5d983 JF |
3486 | |
3487 | string_add(cmd, cmdsize, "git update-index -z --index-info"); | |
173d76ea JF |
3488 | break; |
3489 | ||
3490 | case LINE_STAT_UNSTAGED: | |
3491 | case LINE_STAT_UNTRACKED: | |
3492 | if (!string_format_from(buf, &bufsize, "%s%c", status->name, 0)) | |
3493 | return FALSE; | |
91c5d983 JF |
3494 | |
3495 | string_add(cmd, cmdsize, "git update-index -z --add --remove --stdin"); | |
173d76ea JF |
3496 | break; |
3497 | ||
3498 | default: | |
e77aa656 | 3499 | die("line type %d not handled in switch", type); |
173d76ea JF |
3500 | } |
3501 | ||
3502 | pipe = popen(cmd, "w"); | |
3503 | if (!pipe) | |
3504 | return FALSE; | |
3505 | ||
3506 | while (!ferror(pipe) && written < bufsize) { | |
3507 | written += fwrite(buf + written, 1, bufsize - written, pipe); | |
3508 | } | |
3509 | ||
3510 | pclose(pipe); | |
3511 | ||
3512 | if (written != bufsize) | |
3513 | return FALSE; | |
3514 | ||
173d76ea JF |
3515 | return TRUE; |
3516 | } | |
3517 | ||
3518 | static void | |
ca1d71ea JF |
3519 | status_update(struct view *view) |
3520 | { | |
dec7b437 | 3521 | struct line *line = &view->line[view->lineno]; |
351917f8 | 3522 | |
dec7b437 | 3523 | assert(view->lines); |
11359638 | 3524 | |
dec7b437 JF |
3525 | if (!line->data) { |
3526 | while (++line < view->line + view->lines && line->data) { | |
3527 | if (!status_update_file(view, line->data, line->type)) | |
3528 | report("Failed to update file status"); | |
3529 | } | |
11359638 | 3530 | |
dec7b437 JF |
3531 | if (!line[-1].data) { |
3532 | report("Nothing to update"); | |
3533 | return; | |
93e4c4f6 JF |
3534 | } |
3535 | ||
dec7b437 JF |
3536 | } else if (!status_update_file(view, line->data, line->type)) { |
3537 | report("Failed to update file status"); | |
ca1d71ea JF |
3538 | } |
3539 | } | |
3540 | ||
88f66e2d JF |
3541 | static enum request |
3542 | status_request(struct view *view, enum request request, struct line *line) | |
3543 | { | |
0cea0d43 JF |
3544 | struct status *status = line->data; |
3545 | ||
88f66e2d JF |
3546 | switch (request) { |
3547 | case REQ_STATUS_UPDATE: | |
3548 | status_update(view); | |
3549 | break; | |
3550 | ||
b5c18d9d | 3551 | case REQ_STATUS_MERGE: |
91521b9d JF |
3552 | if (!status || status->status != 'U') { |
3553 | report("Merging only possible for files with unmerged status ('U')."); | |
3554 | return REQ_NONE; | |
3555 | } | |
b5c18d9d | 3556 | open_mergetool(status->name); |
b5c18d9d JF |
3557 | break; |
3558 | ||
0cea0d43 JF |
3559 | case REQ_EDIT: |
3560 | if (!status) | |
3561 | return request; | |
3562 | ||
3dd65d95 | 3563 | open_editor(status->status != '?', status->name); |
0cea0d43 JF |
3564 | break; |
3565 | ||
88f66e2d | 3566 | case REQ_ENTER: |
17a27c16 JF |
3567 | /* After returning the status view has been split to |
3568 | * show the stage view. No further reloading is | |
3569 | * necessary. */ | |
88f66e2d | 3570 | status_enter(view, line); |
17a27c16 | 3571 | return REQ_NONE; |
88f66e2d | 3572 | |
acaef3b3 | 3573 | case REQ_REFRESH: |
17a27c16 | 3574 | /* Simply reload the view. */ |
acaef3b3 JF |
3575 | break; |
3576 | ||
88f66e2d JF |
3577 | default: |
3578 | return request; | |
3579 | } | |
3580 | ||
17a27c16 JF |
3581 | open_view(view, REQ_VIEW_STATUS, OPEN_RELOAD); |
3582 | ||
88f66e2d JF |
3583 | return REQ_NONE; |
3584 | } | |
3585 | ||
ca1d71ea | 3586 | static void |
173d76ea JF |
3587 | status_select(struct view *view, struct line *line) |
3588 | { | |
11359638 JF |
3589 | struct status *status = line->data; |
3590 | char file[SIZEOF_STR] = "all files"; | |
173d76ea | 3591 | char *text; |
b5c18d9d | 3592 | char *key; |
173d76ea | 3593 | |
11359638 JF |
3594 | if (status && !string_format(file, "'%s'", status->name)) |
3595 | return; | |
3596 | ||
3597 | if (!status && line[1].type == LINE_STAT_NONE) | |
3598 | line++; | |
3599 | ||
173d76ea JF |
3600 | switch (line->type) { |
3601 | case LINE_STAT_STAGED: | |
11359638 | 3602 | text = "Press %s to unstage %s for commit"; |
173d76ea JF |
3603 | break; |
3604 | ||
3605 | case LINE_STAT_UNSTAGED: | |
11359638 | 3606 | text = "Press %s to stage %s for commit"; |
173d76ea JF |
3607 | break; |
3608 | ||
3609 | case LINE_STAT_UNTRACKED: | |
11359638 | 3610 | text = "Press %s to stage %s for addition"; |
173d76ea JF |
3611 | break; |
3612 | ||
3613 | case LINE_STAT_NONE: | |
11359638 JF |
3614 | text = "Nothing to update"; |
3615 | break; | |
173d76ea JF |
3616 | |
3617 | default: | |
e77aa656 | 3618 | die("line type %d not handled in switch", line->type); |
173d76ea JF |
3619 | } |
3620 | ||
b5c18d9d JF |
3621 | if (status && status->status == 'U') { |
3622 | text = "Press %s to resolve conflict in %s"; | |
3623 | key = get_key(REQ_STATUS_MERGE); | |
3624 | ||
3625 | } else { | |
3626 | key = get_key(REQ_STATUS_UPDATE); | |
3627 | } | |
3628 | ||
3629 | string_format(view->ref, text, key, file); | |
173d76ea JF |
3630 | } |
3631 | ||
3632 | static bool | |
3633 | status_grep(struct view *view, struct line *line) | |
3634 | { | |
3635 | struct status *status = line->data; | |
3636 | enum { S_STATUS, S_NAME, S_END } state; | |
3637 | char buf[2] = "?"; | |
3638 | regmatch_t pmatch; | |
3639 | ||
3640 | if (!status) | |
3641 | return FALSE; | |
3642 | ||
3643 | for (state = S_STATUS; state < S_END; state++) { | |
3644 | char *text; | |
3645 | ||
3646 | switch (state) { | |
3647 | case S_NAME: text = status->name; break; | |
3648 | case S_STATUS: | |
3649 | buf[0] = status->status; | |
3650 | text = buf; | |
3651 | break; | |
3652 | ||
3653 | default: | |
3654 | return FALSE; | |
3655 | } | |
3656 | ||
3657 | if (regexec(view->regex, text, 1, &pmatch, 0) != REG_NOMATCH) | |
3658 | return TRUE; | |
3659 | } | |
3660 | ||
3661 | return FALSE; | |
3662 | } | |
3663 | ||
3664 | static struct view_ops status_ops = { | |
3665 | "file", | |
3666 | status_open, | |
3667 | NULL, | |
3668 | status_draw, | |
586c423d | 3669 | status_request, |
173d76ea JF |
3670 | status_grep, |
3671 | status_select, | |
3672 | }; | |
3673 | ||
b33611d8 JF |
3674 | |
3675 | static bool | |
3676 | stage_diff_line(FILE *pipe, struct line *line) | |
3677 | { | |
3678 | char *buf = line->data; | |
3679 | size_t bufsize = strlen(buf); | |
3680 | size_t written = 0; | |
3681 | ||
3682 | while (!ferror(pipe) && written < bufsize) { | |
3683 | written += fwrite(buf + written, 1, bufsize - written, pipe); | |
3684 | } | |
3685 | ||
3686 | fputc('\n', pipe); | |
3687 | ||
3688 | return written == bufsize; | |
3689 | } | |
3690 | ||
3691 | static struct line * | |
3692 | stage_diff_hdr(struct view *view, struct line *line) | |
3693 | { | |
3694 | int diff_hdr_dir = line->type == LINE_DIFF_CHUNK ? -1 : 1; | |
3695 | struct line *diff_hdr; | |
3696 | ||
3697 | if (line->type == LINE_DIFF_CHUNK) | |
3698 | diff_hdr = line - 1; | |
3699 | else | |
3700 | diff_hdr = view->line + 1; | |
3701 | ||
3702 | while (diff_hdr > view->line && diff_hdr < view->line + view->lines) { | |
3703 | if (diff_hdr->type == LINE_DIFF_HEADER) | |
3704 | return diff_hdr; | |
3705 | ||
3706 | diff_hdr += diff_hdr_dir; | |
3707 | } | |
3708 | ||
3709 | return NULL; | |
3710 | } | |
3711 | ||
3712 | static bool | |
3713 | stage_update_chunk(struct view *view, struct line *line) | |
3714 | { | |
3715 | char cmd[SIZEOF_STR]; | |
3716 | size_t cmdsize = 0; | |
3717 | struct line *diff_hdr, *diff_chunk, *diff_end; | |
3718 | FILE *pipe; | |
3719 | ||
3720 | diff_hdr = stage_diff_hdr(view, line); | |
3721 | if (!diff_hdr) | |
3722 | return FALSE; | |
3723 | ||
3724 | if (opt_cdup[0] && | |
3725 | !string_format_from(cmd, &cmdsize, "cd %s;", opt_cdup)) | |
3726 | return FALSE; | |
3727 | ||
3728 | if (!string_format_from(cmd, &cmdsize, | |
3729 | "git apply --cached %s - && " | |
3730 | "git update-index -q --unmerged --refresh 2>/dev/null", | |
3731 | stage_line_type == LINE_STAT_STAGED ? "-R" : "")) | |
3732 | return FALSE; | |
3733 | ||
3734 | pipe = popen(cmd, "w"); | |
3735 | if (!pipe) | |
3736 | return FALSE; | |
3737 | ||
3738 | diff_end = view->line + view->lines; | |
3739 | if (line->type != LINE_DIFF_CHUNK) { | |
3740 | diff_chunk = diff_hdr; | |
3741 | ||
3742 | } else { | |
3743 | for (diff_chunk = line + 1; diff_chunk < diff_end; diff_chunk++) | |
3744 | if (diff_chunk->type == LINE_DIFF_CHUNK || | |
3745 | diff_chunk->type == LINE_DIFF_HEADER) | |
3746 | diff_end = diff_chunk; | |
3747 | ||
3748 | diff_chunk = line; | |
3749 | ||
3750 | while (diff_hdr->type != LINE_DIFF_CHUNK) { | |
3751 | switch (diff_hdr->type) { | |
3752 | case LINE_DIFF_HEADER: | |
3753 | case LINE_DIFF_INDEX: | |
3754 | case LINE_DIFF_ADD: | |
3755 | case LINE_DIFF_DEL: | |
3756 | break; | |
3757 | ||
3758 | default: | |
3759 | diff_hdr++; | |
3760 | continue; | |
3761 | } | |
3762 | ||
3763 | if (!stage_diff_line(pipe, diff_hdr++)) { | |
3764 | pclose(pipe); | |
3765 | return FALSE; | |
3766 | } | |
3767 | } | |
3768 | } | |
3769 | ||
3770 | while (diff_chunk < diff_end && stage_diff_line(pipe, diff_chunk)) | |
3771 | diff_chunk++; | |
3772 | ||
3773 | pclose(pipe); | |
3774 | ||
3775 | if (diff_chunk != diff_end) | |
3776 | return FALSE; | |
3777 | ||
3778 | return TRUE; | |
3779 | } | |
3780 | ||
3781 | static void | |
3782 | stage_update(struct view *view, struct line *line) | |
3783 | { | |
3784 | if (stage_line_type != LINE_STAT_UNTRACKED && | |
3785 | (line->type == LINE_DIFF_CHUNK || !stage_status.status)) { | |
3786 | if (!stage_update_chunk(view, line)) { | |
3787 | report("Failed to apply chunk"); | |
3788 | return; | |
3789 | } | |
3790 | ||
3791 | } else if (!status_update_file(view, &stage_status, stage_line_type)) { | |
3792 | report("Failed to update file"); | |
3793 | return; | |
3794 | } | |
3795 | ||
3796 | open_view(view, REQ_VIEW_STATUS, OPEN_RELOAD); | |
3797 | ||
3798 | view = VIEW(REQ_VIEW_STATUS); | |
3799 | if (view_is_displayed(view)) | |
3800 | status_enter(view, &view->line[view->lineno]); | |
3801 | } | |
3802 | ||
3803 | static enum request | |
3804 | stage_request(struct view *view, enum request request, struct line *line) | |
3805 | { | |
3806 | switch (request) { | |
3807 | case REQ_STATUS_UPDATE: | |
3808 | stage_update(view, line); | |
3809 | break; | |
3810 | ||
3811 | case REQ_EDIT: | |
3812 | if (!stage_status.name[0]) | |
3813 | return request; | |
3814 | ||
3dd65d95 | 3815 | open_editor(stage_status.status != '?', stage_status.name); |
b33611d8 JF |
3816 | break; |
3817 | ||
3818 | case REQ_ENTER: | |
3819 | pager_request(view, request, line); | |
3820 | break; | |
3821 | ||
3822 | default: | |
3823 | return request; | |
3824 | } | |
3825 | ||
3826 | return REQ_NONE; | |
3827 | } | |
3828 | ||
3e634113 JF |
3829 | static struct view_ops stage_ops = { |
3830 | "line", | |
3831 | NULL, | |
3832 | pager_read, | |
3833 | pager_draw, | |
b33611d8 | 3834 | stage_request, |
3e634113 JF |
3835 | pager_grep, |
3836 | pager_select, | |
3837 | }; | |
173d76ea | 3838 | |
b33611d8 | 3839 | |
173d76ea | 3840 | /* |
ccc33449 | 3841 | * Revision graph |
ff26aa29 JF |
3842 | */ |
3843 | ||
3844 | struct commit { | |
10446330 | 3845 | char id[SIZEOF_REV]; /* SHA1 ID. */ |
aea510c8 | 3846 | char title[128]; /* First line of the commit message. */ |
54efb62b JF |
3847 | char author[75]; /* Author of the commit. */ |
3848 | struct tm time; /* Date from the author ident. */ | |
3849 | struct ref **refs; /* Repository references. */ | |
3850 | chtype graph[SIZEOF_REVGRAPH]; /* Ancestry chain graphics. */ | |
3851 | size_t graph_size; /* The width of the graph array. */ | |
ff26aa29 | 3852 | }; |
c34d9c9f | 3853 | |
ccc33449 JF |
3854 | /* Size of rev graph with no "padding" columns */ |
3855 | #define SIZEOF_REVITEMS (SIZEOF_REVGRAPH - (SIZEOF_REVGRAPH / 2)) | |
2b757533 | 3856 | |
2ce5c87c JF |
3857 | struct rev_graph { |
3858 | struct rev_graph *prev, *next, *parents; | |
2b757533 JF |
3859 | char rev[SIZEOF_REVITEMS][SIZEOF_REV]; |
3860 | size_t size; | |
88757ebd JF |
3861 | struct commit *commit; |
3862 | size_t pos; | |
2b757533 JF |
3863 | }; |
3864 | ||
2b757533 | 3865 | /* Parents of the commit being visualized. */ |
446a5c36 | 3866 | static struct rev_graph graph_parents[4]; |
c8d60a25 | 3867 | |
c65a501a | 3868 | /* The current stack of revisions on the graph. */ |
446a5c36 JF |
3869 | static struct rev_graph graph_stacks[4] = { |
3870 | { &graph_stacks[3], &graph_stacks[1], &graph_parents[0] }, | |
c65a501a | 3871 | { &graph_stacks[0], &graph_stacks[2], &graph_parents[1] }, |
446a5c36 JF |
3872 | { &graph_stacks[1], &graph_stacks[3], &graph_parents[2] }, |
3873 | { &graph_stacks[2], &graph_stacks[0], &graph_parents[3] }, | |
c65a501a JF |
3874 | }; |
3875 | ||
9e43b9cd | 3876 | static inline bool |
2ce5c87c | 3877 | graph_parent_is_merge(struct rev_graph *graph) |
9e43b9cd JF |
3878 | { |
3879 | return graph->parents->size > 1; | |
3880 | } | |
3881 | ||
88757ebd | 3882 | static inline void |
2ce5c87c | 3883 | append_to_rev_graph(struct rev_graph *graph, chtype symbol) |
88757ebd | 3884 | { |
2c27faac JF |
3885 | struct commit *commit = graph->commit; |
3886 | ||
3887 | if (commit->graph_size < ARRAY_SIZE(commit->graph) - 1) | |
3888 | commit->graph[commit->graph_size++] = symbol; | |
88757ebd JF |
3889 | } |
3890 | ||
2b757533 | 3891 | static void |
2ce5c87c | 3892 | done_rev_graph(struct rev_graph *graph) |
987890af JF |
3893 | { |
3894 | if (graph_parent_is_merge(graph) && | |
3895 | graph->pos < graph->size - 1 && | |
3896 | graph->next->size == graph->size + graph->parents->size - 1) { | |
3897 | size_t i = graph->pos + graph->parents->size - 1; | |
3898 | ||
3899 | graph->commit->graph_size = i * 2; | |
3900 | while (i < graph->next->size - 1) { | |
3901 | append_to_rev_graph(graph, ' '); | |
3902 | append_to_rev_graph(graph, '\\'); | |
3903 | i++; | |
3904 | } | |
3905 | } | |
3906 | ||
3907 | graph->size = graph->pos = 0; | |
3908 | graph->commit = NULL; | |
3909 | memset(graph->parents, 0, sizeof(*graph->parents)); | |
3910 | } | |
3911 | ||
3912 | static void | |
2ce5c87c | 3913 | push_rev_graph(struct rev_graph *graph, char *parent) |
2b757533 | 3914 | { |
2fe894e6 JF |
3915 | int i; |
3916 | ||
3917 | /* "Collapse" duplicate parents lines. | |
3918 | * | |
3919 | * FIXME: This needs to also update update the drawn graph but | |
3920 | * for now it just serves as a method for pruning graph lines. */ | |
3921 | for (i = 0; i < graph->size; i++) | |
3922 | if (!strncmp(graph->rev[i], parent, SIZEOF_REV)) | |
3923 | return; | |
2b757533 | 3924 | |
2ce5c87c | 3925 | if (graph->size < SIZEOF_REVITEMS) { |
739e81de | 3926 | string_copy_rev(graph->rev[graph->size++], parent); |
2b757533 JF |
3927 | } |
3928 | } | |
3929 | ||
92507a24 JF |
3930 | static chtype |
3931 | get_rev_graph_symbol(struct rev_graph *graph) | |
2b757533 | 3932 | { |
92507a24 | 3933 | chtype symbol; |
2b757533 | 3934 | |
c65a501a | 3935 | if (graph->parents->size == 0) |
c8d60a25 | 3936 | symbol = REVGRAPH_INIT; |
18ffaa23 | 3937 | else if (graph_parent_is_merge(graph)) |
c8d60a25 | 3938 | symbol = REVGRAPH_MERGE; |
c65a501a | 3939 | else if (graph->pos >= graph->size) |
c8d60a25 | 3940 | symbol = REVGRAPH_BRANCH; |
2b757533 | 3941 | else |
c8d60a25 | 3942 | symbol = REVGRAPH_COMMIT; |
1dcb3bec | 3943 | |
92507a24 JF |
3944 | return symbol; |
3945 | } | |
3946 | ||
3947 | static void | |
3948 | draw_rev_graph(struct rev_graph *graph) | |
3949 | { | |
e937c2c8 JF |
3950 | struct rev_filler { |
3951 | chtype separator, line; | |
3952 | }; | |
3953 | enum { DEFAULT, RSHARP, RDIAG, LDIAG }; | |
3954 | static struct rev_filler fillers[] = { | |
3955 | { ' ', REVGRAPH_LINE }, | |
3956 | { '`', '.' }, | |
3957 | { '\'', ' ' }, | |
3958 | { '/', ' ' }, | |
e937c2c8 | 3959 | }; |
92507a24 | 3960 | chtype symbol = get_rev_graph_symbol(graph); |
e937c2c8 | 3961 | struct rev_filler *filler; |
92507a24 JF |
3962 | size_t i; |
3963 | ||
e937c2c8 | 3964 | filler = &fillers[DEFAULT]; |
110e948e | 3965 | |
c65a501a | 3966 | for (i = 0; i < graph->pos; i++) { |
e937c2c8 | 3967 | append_to_rev_graph(graph, filler->line); |
9e43b9cd | 3968 | if (graph_parent_is_merge(graph->prev) && |
e937c2c8 JF |
3969 | graph->prev->pos == i) |
3970 | filler = &fillers[RSHARP]; | |
3971 | ||
3972 | append_to_rev_graph(graph, filler->separator); | |
110e948e JF |
3973 | } |
3974 | ||
92507a24 | 3975 | /* Place the symbol for this revision. */ |
c65a501a | 3976 | append_to_rev_graph(graph, symbol); |
2b757533 | 3977 | |
e937c2c8 JF |
3978 | if (graph->prev->size > graph->size) |
3979 | filler = &fillers[RDIAG]; | |
3980 | else | |
3981 | filler = &fillers[DEFAULT]; | |
3982 | ||
c8d60a25 | 3983 | i++; |
2b757533 | 3984 | |
c65a501a | 3985 | for (; i < graph->size; i++) { |
e937c2c8 JF |
3986 | append_to_rev_graph(graph, filler->separator); |
3987 | append_to_rev_graph(graph, filler->line); | |
3988 | if (graph_parent_is_merge(graph->prev) && | |
3989 | i < graph->prev->pos + graph->parents->size) | |
3990 | filler = &fillers[RSHARP]; | |
3991 | if (graph->prev->size > graph->size) | |
3992 | filler = &fillers[LDIAG]; | |
c65a501a JF |
3993 | } |
3994 | ||
3995 | if (graph->prev->size > graph->size) { | |
e937c2c8 JF |
3996 | append_to_rev_graph(graph, filler->separator); |
3997 | if (filler->line != ' ') | |
3998 | append_to_rev_graph(graph, filler->line); | |
2b757533 | 3999 | } |
b5d8f208 JF |
4000 | } |
4001 | ||
61eed810 JF |
4002 | /* Prepare the next rev graph */ |
4003 | static void | |
4004 | prepare_rev_graph(struct rev_graph *graph) | |
b5d8f208 | 4005 | { |
b5d8f208 JF |
4006 | size_t i; |
4007 | ||
320df4ea | 4008 | /* First, traverse all lines of revisions up to the active one. */ |
c65a501a JF |
4009 | for (graph->pos = 0; graph->pos < graph->size; graph->pos++) { |
4010 | if (!strcmp(graph->rev[graph->pos], graph->commit->id)) | |
b5d8f208 | 4011 | break; |
b5d8f208 | 4012 | |
2ce5c87c | 4013 | push_rev_graph(graph->next, graph->rev[graph->pos]); |
b5d8f208 JF |
4014 | } |
4015 | ||
320df4ea | 4016 | /* Interleave the new revision parent(s). */ |
c65a501a | 4017 | for (i = 0; i < graph->parents->size; i++) |
2ce5c87c | 4018 | push_rev_graph(graph->next, graph->parents->rev[i]); |
b5d8f208 | 4019 | |
320df4ea | 4020 | /* Lastly, put any remaining revisions. */ |
c65a501a | 4021 | for (i = graph->pos + 1; i < graph->size; i++) |
2ce5c87c | 4022 | push_rev_graph(graph->next, graph->rev[i]); |
61eed810 JF |
4023 | } |
4024 | ||
4025 | static void | |
4026 | update_rev_graph(struct rev_graph *graph) | |
4027 | { | |
446a5c36 JF |
4028 | /* If this is the finalizing update ... */ |
4029 | if (graph->commit) | |
4030 | prepare_rev_graph(graph); | |
4031 | ||
4032 | /* Graph visualization needs a one rev look-ahead, | |
4033 | * so the first update doesn't visualize anything. */ | |
4034 | if (!graph->prev->commit) | |
4035 | return; | |
c65a501a | 4036 | |
61eed810 JF |
4037 | draw_rev_graph(graph->prev); |
4038 | done_rev_graph(graph->prev->prev); | |
2b757533 JF |
4039 | } |
4040 | ||
ccc33449 JF |
4041 | |
4042 | /* | |
4043 | * Main view backend | |
4044 | */ | |
4045 | ||
4046 | static bool | |
4047 | main_draw(struct view *view, struct line *line, unsigned int lineno, bool selected) | |
4048 | { | |
4049 | char buf[DATE_COLS + 1]; | |
4050 | struct commit *commit = line->data; | |
4051 | enum line_type type; | |
4052 | int col = 0; | |
4053 | size_t timelen; | |
4054 | size_t authorlen; | |
4055 | int trimmed = 1; | |
4056 | ||
4057 | if (!*commit->author) | |
4058 | return FALSE; | |
4059 | ||
4060 | wmove(view->win, lineno, col); | |
4061 | ||
4062 | if (selected) { | |
4063 | type = LINE_CURSOR; | |
4064 | wattrset(view->win, get_line_attr(type)); | |
4065 | wchgat(view->win, -1, 0, type, NULL); | |
4066 | ||
4067 | } else { | |
4068 | type = LINE_MAIN_COMMIT; | |
4069 | wattrset(view->win, get_line_attr(LINE_MAIN_DATE)); | |
4070 | } | |
4071 | ||
4072 | timelen = strftime(buf, sizeof(buf), DATE_FORMAT, &commit->time); | |
4073 | waddnstr(view->win, buf, timelen); | |
4074 | waddstr(view->win, " "); | |
4075 | ||
4076 | col += DATE_COLS; | |
4077 | wmove(view->win, lineno, col); | |
4078 | if (type != LINE_CURSOR) | |
4079 | wattrset(view->win, get_line_attr(LINE_MAIN_AUTHOR)); | |
4080 | ||
4081 | if (opt_utf8) { | |
4082 | authorlen = utf8_length(commit->author, AUTHOR_COLS - 2, &col, &trimmed); | |
4083 | } else { | |
4084 | authorlen = strlen(commit->author); | |
4085 | if (authorlen > AUTHOR_COLS - 2) { | |
4086 | authorlen = AUTHOR_COLS - 2; | |
4087 | trimmed = 1; | |
4088 | } | |
4089 | } | |
4090 | ||
4091 | if (trimmed) { | |
4092 | waddnstr(view->win, commit->author, authorlen); | |
4093 | if (type != LINE_CURSOR) | |
4094 | wattrset(view->win, get_line_attr(LINE_MAIN_DELIM)); | |
4095 | waddch(view->win, '~'); | |
4096 | } else { | |
4097 | waddstr(view->win, commit->author); | |
4098 | } | |
4099 | ||
4100 | col += AUTHOR_COLS; | |
ccc33449 JF |
4101 | |
4102 | if (opt_rev_graph && commit->graph_size) { | |
4103 | size_t i; | |
4104 | ||
f83b1c33 DV |
4105 | if (type != LINE_CURSOR) |
4106 | wattrset(view->win, get_line_attr(LINE_MAIN_REVGRAPH)); | |
ccc33449 JF |
4107 | wmove(view->win, lineno, col); |
4108 | /* Using waddch() instead of waddnstr() ensures that | |
4109 | * they'll be rendered correctly for the cursor line. */ | |
4110 | for (i = 0; i < commit->graph_size; i++) | |
4111 | waddch(view->win, commit->graph[i]); | |
4112 | ||
8716b9ed | 4113 | waddch(view->win, ' '); |
ccc33449 JF |
4114 | col += commit->graph_size + 1; |
4115 | } | |
f83b1c33 DV |
4116 | if (type != LINE_CURSOR) |
4117 | wattrset(view->win, A_NORMAL); | |
ccc33449 JF |
4118 | |
4119 | wmove(view->win, lineno, col); | |
4120 | ||
4121 | if (commit->refs) { | |
4122 | size_t i = 0; | |
4123 | ||
4124 | do { | |
4125 | if (type == LINE_CURSOR) | |
4126 | ; | |
4127 | else if (commit->refs[i]->tag) | |
4128 | wattrset(view->win, get_line_attr(LINE_MAIN_TAG)); | |
e15ec88e JF |
4129 | else if (commit->refs[i]->remote) |
4130 | wattrset(view->win, get_line_attr(LINE_MAIN_REMOTE)); | |
ccc33449 JF |
4131 | else |
4132 | wattrset(view->win, get_line_attr(LINE_MAIN_REF)); | |
4133 | waddstr(view->win, "["); | |
4134 | waddstr(view->win, commit->refs[i]->name); | |
4135 | waddstr(view->win, "]"); | |
4136 | if (type != LINE_CURSOR) | |
4137 | wattrset(view->win, A_NORMAL); | |
4138 | waddstr(view->win, " "); | |
4139 | col += strlen(commit->refs[i]->name) + STRING_SIZE("[] "); | |
4140 | } while (commit->refs[i++]->next); | |
4141 | } | |
4142 | ||
4143 | if (type != LINE_CURSOR) | |
4144 | wattrset(view->win, get_line_attr(type)); | |
4145 | ||
4146 | { | |
4147 | int titlelen = strlen(commit->title); | |
4148 | ||
4149 | if (col + titlelen > view->width) | |
4150 | titlelen = view->width - col; | |
4151 | ||
4152 | waddnstr(view->win, commit->title, titlelen); | |
4153 | } | |
4154 | ||
4155 | return TRUE; | |
4156 | } | |
4157 | ||
4c6fabc2 | 4158 | /* Reads git log --pretty=raw output and parses it into the commit struct. */ |
6b161b31 | 4159 | static bool |
701e4f5d | 4160 | main_read(struct view *view, char *line) |
22f66b0a | 4161 | { |
2ce5c87c | 4162 | static struct rev_graph *graph = graph_stacks; |
be04d936 | 4163 | enum line_type type; |
0ff3b97c | 4164 | struct commit *commit; |
22f66b0a | 4165 | |
be04d936 | 4166 | if (!line) { |
446a5c36 | 4167 | update_rev_graph(graph); |
be04d936 JF |
4168 | return TRUE; |
4169 | } | |
4170 | ||
4171 | type = get_line_type(line); | |
0ff3b97c | 4172 | if (type == LINE_COMMIT) { |
22f66b0a JF |
4173 | commit = calloc(1, sizeof(struct commit)); |
4174 | if (!commit) | |
4175 | return FALSE; | |
4176 | ||
0ff3b97c | 4177 | string_copy_rev(commit->id, line + STRING_SIZE("commit ")); |
c34d9c9f | 4178 | commit->refs = get_refs(commit->id); |
c65a501a | 4179 | graph->commit = commit; |
e314c36d | 4180 | add_line_data(view, commit, LINE_MAIN_COMMIT); |
0ff3b97c JF |
4181 | return TRUE; |
4182 | } | |
2b757533 | 4183 | |
0ff3b97c JF |
4184 | if (!view->lines) |
4185 | return TRUE; | |
4186 | commit = view->line[view->lines - 1].data; | |
4187 | ||
4188 | switch (type) { | |
2b757533 | 4189 | case LINE_PARENT: |
0ff3b97c | 4190 | push_rev_graph(graph->parents, line + STRING_SIZE("parent ")); |
78c70acd | 4191 | break; |
22f66b0a | 4192 | |
8855ada4 | 4193 | case LINE_AUTHOR: |
b76c2afc | 4194 | { |
19c3ac60 JF |
4195 | /* Parse author lines where the name may be empty: |
4196 | * author <email@address.tld> 1138474660 +0100 | |
4197 | */ | |
4c6fabc2 | 4198 | char *ident = line + STRING_SIZE("author "); |
19c3ac60 JF |
4199 | char *nameend = strchr(ident, '<'); |
4200 | char *emailend = strchr(ident, '>'); | |
b76c2afc | 4201 | |
0ff3b97c | 4202 | if (!nameend || !emailend) |
fe7233c3 JF |
4203 | break; |
4204 | ||
c65a501a JF |
4205 | update_rev_graph(graph); |
4206 | graph = graph->next; | |
2b757533 | 4207 | |
19c3ac60 JF |
4208 | *nameend = *emailend = 0; |
4209 | ident = chomp_string(ident); | |
4210 | if (!*ident) { | |
4211 | ident = chomp_string(nameend + 1); | |
4212 | if (!*ident) | |
4213 | ident = "Unknown"; | |
b76c2afc JF |
4214 | } |
4215 | ||
739e81de | 4216 | string_ncopy(commit->author, ident, strlen(ident)); |
b76c2afc | 4217 | |
4c6fabc2 | 4218 | /* Parse epoch and timezone */ |
19c3ac60 JF |
4219 | if (emailend[1] == ' ') { |
4220 | char *secs = emailend + 2; | |
4221 | char *zone = strchr(secs, ' '); | |
4222 | time_t time = (time_t) atol(secs); | |
b76c2afc | 4223 | |
4c6fabc2 | 4224 | if (zone && strlen(zone) == STRING_SIZE(" +0700")) { |
b76c2afc JF |
4225 | long tz; |
4226 | ||
4227 | zone++; | |
4228 | tz = ('0' - zone[1]) * 60 * 60 * 10; | |
4229 | tz += ('0' - zone[2]) * 60 * 60; | |
4230 | tz += ('0' - zone[3]) * 60; | |
4231 | tz += ('0' - zone[4]) * 60; | |
4232 | ||
4233 | if (zone[0] == '-') | |
4234 | tz = -tz; | |
4235 | ||
4236 | time -= tz; | |
4237 | } | |
19c3ac60 | 4238 | |
b76c2afc JF |
4239 | gmtime_r(&time, &commit->time); |
4240 | } | |
4241 | break; | |
4242 | } | |
78c70acd | 4243 | default: |
2e8488b4 | 4244 | /* Fill in the commit title if it has not already been set. */ |
2e8488b4 JF |
4245 | if (commit->title[0]) |
4246 | break; | |
4247 | ||
4248 | /* Require titles to start with a non-space character at the | |
4249 | * offset used by git log. */ | |
9073c64a JF |
4250 | if (strncmp(line, " ", 4)) |
4251 | break; | |
4252 | line += 4; | |
4253 | /* Well, if the title starts with a whitespace character, | |
4254 | * try to be forgiving. Otherwise we end up with no title. */ | |
4255 | while (isspace(*line)) | |
4256 | line++; | |
4257 | if (*line == '\0') | |
82e78006 | 4258 | break; |
9073c64a JF |
4259 | /* FIXME: More graceful handling of titles; append "..." to |
4260 | * shortened titles, etc. */ | |
82e78006 | 4261 | |
739e81de | 4262 | string_ncopy(commit->title, line, strlen(line)); |
22f66b0a JF |
4263 | } |
4264 | ||
4265 | return TRUE; | |
4266 | } | |
4267 | ||
586c423d JF |
4268 | static enum request |
4269 | main_request(struct view *view, enum request request, struct line *line) | |
b801d8b2 | 4270 | { |
b3a54cba JF |
4271 | enum open_flags flags = display[0] == view ? OPEN_SPLIT : OPEN_DEFAULT; |
4272 | ||
586c423d JF |
4273 | if (request == REQ_ENTER) |
4274 | open_view(view, REQ_VIEW_DIFF, flags); | |
4275 | else | |
4276 | return request; | |
4277 | ||
4278 | return REQ_NONE; | |
b801d8b2 JF |
4279 | } |
4280 | ||
4af34daa JF |
4281 | static bool |
4282 | main_grep(struct view *view, struct line *line) | |
4283 | { | |
4284 | struct commit *commit = line->data; | |
4285 | enum { S_TITLE, S_AUTHOR, S_DATE, S_END } state; | |
4286 | char buf[DATE_COLS + 1]; | |
4287 | regmatch_t pmatch; | |
4288 | ||
4289 | for (state = S_TITLE; state < S_END; state++) { | |
4290 | char *text; | |
4291 | ||
4292 | switch (state) { | |
4293 | case S_TITLE: text = commit->title; break; | |
4294 | case S_AUTHOR: text = commit->author; break; | |
4295 | case S_DATE: | |
4296 | if (!strftime(buf, sizeof(buf), DATE_FORMAT, &commit->time)) | |
4297 | continue; | |
4298 | text = buf; | |
4299 | break; | |
4300 | ||
4301 | default: | |
4302 | return FALSE; | |
4303 | } | |
4304 | ||
b77b2cb8 | 4305 | if (regexec(view->regex, text, 1, &pmatch, 0) != REG_NOMATCH) |
4af34daa JF |
4306 | return TRUE; |
4307 | } | |
4308 | ||
4309 | return FALSE; | |
4310 | } | |
4311 | ||
d720de4b JF |
4312 | static void |
4313 | main_select(struct view *view, struct line *line) | |
4314 | { | |
4315 | struct commit *commit = line->data; | |
4316 | ||
2463b4ea JF |
4317 | string_copy_rev(view->ref, commit->id); |
4318 | string_copy_rev(ref_commit, view->ref); | |
d720de4b JF |
4319 | } |
4320 | ||
6b161b31 | 4321 | static struct view_ops main_ops = { |
6734f6b9 | 4322 | "commit", |
f098944b | 4323 | NULL, |
6b161b31 | 4324 | main_read, |
f098944b | 4325 | main_draw, |
586c423d | 4326 | main_request, |
4af34daa | 4327 | main_grep, |
d720de4b | 4328 | main_select, |
6b161b31 | 4329 | }; |
2e8488b4 | 4330 | |
c34d9c9f | 4331 | |
6b161b31 | 4332 | /* |
10e290ee JF |
4333 | * Unicode / UTF-8 handling |
4334 | * | |
4335 | * NOTE: Much of the following code for dealing with unicode is derived from | |
4336 | * ELinks' UTF-8 code developed by Scrool <scroolik@gmail.com>. Origin file is | |
4337 | * src/intl/charset.c from the utf8 branch commit elinks-0.11.0-g31f2c28. | |
4338 | */ | |
4339 | ||
4340 | /* I've (over)annotated a lot of code snippets because I am not entirely | |
4341 | * confident that the approach taken by this small UTF-8 interface is correct. | |
4342 | * --jonas */ | |
4343 | ||
4344 | static inline int | |
4345 | unicode_width(unsigned long c) | |
4346 | { | |
4347 | if (c >= 0x1100 && | |
4348 | (c <= 0x115f /* Hangul Jamo */ | |
4349 | || c == 0x2329 | |
4350 | || c == 0x232a | |
4351 | || (c >= 0x2e80 && c <= 0xa4cf && c != 0x303f) | |
f97f4012 | 4352 | /* CJK ... Yi */ |
10e290ee JF |
4353 | || (c >= 0xac00 && c <= 0xd7a3) /* Hangul Syllables */ |
4354 | || (c >= 0xf900 && c <= 0xfaff) /* CJK Compatibility Ideographs */ | |
4355 | || (c >= 0xfe30 && c <= 0xfe6f) /* CJK Compatibility Forms */ | |
4356 | || (c >= 0xff00 && c <= 0xff60) /* Fullwidth Forms */ | |
4357 | || (c >= 0xffe0 && c <= 0xffe6) | |
4358 | || (c >= 0x20000 && c <= 0x2fffd) | |
4359 | || (c >= 0x30000 && c <= 0x3fffd))) | |
4360 | return 2; | |
4361 | ||
4362 | return 1; | |
4363 | } | |
4364 | ||
4365 | /* Number of bytes used for encoding a UTF-8 character indexed by first byte. | |
4366 | * Illegal bytes are set one. */ | |
4367 | static const unsigned char utf8_bytes[256] = { | |
4368 | 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, | |
4369 | 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, | |
4370 | 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, | |
4371 | 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, | |
4372 | 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, | |
4373 | 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, | |
4374 | 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, | |
4375 | 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, | |
4376 | }; | |
4377 | ||
4378 | /* Decode UTF-8 multi-byte representation into a unicode character. */ | |
4379 | static inline unsigned long | |
4380 | utf8_to_unicode(const char *string, size_t length) | |
4381 | { | |
4382 | unsigned long unicode; | |
4383 | ||
4384 | switch (length) { | |
4385 | case 1: | |
4386 | unicode = string[0]; | |
4387 | break; | |
4388 | case 2: | |
4389 | unicode = (string[0] & 0x1f) << 6; | |
4390 | unicode += (string[1] & 0x3f); | |
4391 | break; | |
4392 | case 3: | |
4393 | unicode = (string[0] & 0x0f) << 12; | |
4394 | unicode += ((string[1] & 0x3f) << 6); | |
4395 | unicode += (string[2] & 0x3f); | |
4396 | break; | |
4397 | case 4: | |
4398 | unicode = (string[0] & 0x0f) << 18; | |
4399 | unicode += ((string[1] & 0x3f) << 12); | |
4400 | unicode += ((string[2] & 0x3f) << 6); | |
4401 | unicode += (string[3] & 0x3f); | |
4402 | break; | |
4403 | case 5: | |
4404 | unicode = (string[0] & 0x0f) << 24; | |
4405 | unicode += ((string[1] & 0x3f) << 18); | |
4406 | unicode += ((string[2] & 0x3f) << 12); | |
4407 | unicode += ((string[3] & 0x3f) << 6); | |
4408 | unicode += (string[4] & 0x3f); | |
4409 | break; | |
68b6e0eb | 4410 | case 6: |
10e290ee JF |
4411 | unicode = (string[0] & 0x01) << 30; |
4412 | unicode += ((string[1] & 0x3f) << 24); | |
4413 | unicode += ((string[2] & 0x3f) << 18); | |
4414 | unicode += ((string[3] & 0x3f) << 12); | |
4415 | unicode += ((string[4] & 0x3f) << 6); | |
4416 | unicode += (string[5] & 0x3f); | |
4417 | break; | |
4418 | default: | |
4419 | die("Invalid unicode length"); | |
4420 | } | |
4421 | ||
4422 | /* Invalid characters could return the special 0xfffd value but NUL | |
4423 | * should be just as good. */ | |
4424 | return unicode > 0xffff ? 0 : unicode; | |
4425 | } | |
4426 | ||
4427 | /* Calculates how much of string can be shown within the given maximum width | |
4428 | * and sets trimmed parameter to non-zero value if all of string could not be | |
4429 | * shown. | |
4430 | * | |
4431 | * Additionally, adds to coloffset how many many columns to move to align with | |
4432 | * the expected position. Takes into account how multi-byte and double-width | |
4433 | * characters will effect the cursor position. | |
4434 | * | |
4435 | * Returns the number of bytes to output from string to satisfy max_width. */ | |
4436 | static size_t | |
4437 | utf8_length(const char *string, size_t max_width, int *coloffset, int *trimmed) | |
4438 | { | |
4439 | const char *start = string; | |
4440 | const char *end = strchr(string, '\0'); | |
4441 | size_t mbwidth = 0; | |
4442 | size_t width = 0; | |
4443 | ||
4444 | *trimmed = 0; | |
4445 | ||
4446 | while (string < end) { | |
4447 | int c = *(unsigned char *) string; | |
4448 | unsigned char bytes = utf8_bytes[c]; | |
4449 | size_t ucwidth; | |
4450 | unsigned long unicode; | |
4451 | ||
4452 | if (string + bytes > end) | |
4453 | break; | |
4454 | ||
4455 | /* Change representation to figure out whether | |
4456 | * it is a single- or double-width character. */ | |
4457 | ||
4458 | unicode = utf8_to_unicode(string, bytes); | |
4459 | /* FIXME: Graceful handling of invalid unicode character. */ | |
4460 | if (!unicode) | |
4461 | break; | |
4462 | ||
4463 | ucwidth = unicode_width(unicode); | |
4464 | width += ucwidth; | |
4465 | if (width > max_width) { | |
4466 | *trimmed = 1; | |
4467 | break; | |
4468 | } | |
4469 | ||
4470 | /* The column offset collects the differences between the | |
4471 | * number of bytes encoding a character and the number of | |
4472 | * columns will be used for rendering said character. | |
4473 | * | |
4474 | * So if some character A is encoded in 2 bytes, but will be | |
4475 | * represented on the screen using only 1 byte this will and up | |
4476 | * adding 1 to the multi-byte column offset. | |
4477 | * | |
4478 | * Assumes that no double-width character can be encoding in | |
4479 | * less than two bytes. */ | |
4480 | if (bytes > ucwidth) | |
4481 | mbwidth += bytes - ucwidth; | |
4482 | ||
4483 | string += bytes; | |
4484 | } | |
4485 | ||
4486 | *coloffset += mbwidth; | |
4487 | ||
4488 | return string - start; | |
4489 | } | |
4490 | ||
4491 | ||
4492 | /* | |
6b161b31 JF |
4493 | * Status management |
4494 | */ | |
2e8488b4 | 4495 | |
8855ada4 | 4496 | /* Whether or not the curses interface has been initialized. */ |
68b6e0eb | 4497 | static bool cursed = FALSE; |
8855ada4 | 4498 | |
6b161b31 JF |
4499 | /* The status window is used for polling keystrokes. */ |
4500 | static WINDOW *status_win; | |
4a2909a7 | 4501 | |
21be28fb JF |
4502 | static bool status_empty = TRUE; |
4503 | ||
2e8488b4 | 4504 | /* Update status and title window. */ |
4a2909a7 JF |
4505 | static void |
4506 | report(const char *msg, ...) | |
4507 | { | |
6706b2ba | 4508 | struct view *view = display[current_view]; |
b76c2afc | 4509 | |
ab4af23e JF |
4510 | if (input_mode) |
4511 | return; | |
4512 | ||
c38c64bb JF |
4513 | if (!view) { |
4514 | char buf[SIZEOF_STR]; | |
4515 | va_list args; | |
4516 | ||
4517 | va_start(args, msg); | |
4518 | if (vsnprintf(buf, sizeof(buf), msg, args) >= sizeof(buf)) { | |
4519 | buf[sizeof(buf) - 1] = 0; | |
4520 | buf[sizeof(buf) - 2] = '.'; | |
4521 | buf[sizeof(buf) - 3] = '.'; | |
4522 | buf[sizeof(buf) - 4] = '.'; | |
4523 | } | |
4524 | va_end(args); | |
4525 | die("%s", buf); | |
4526 | } | |
4527 | ||
21be28fb | 4528 | if (!status_empty || *msg) { |
6706b2ba | 4529 | va_list args; |
4a2909a7 | 4530 | |
6706b2ba | 4531 | va_start(args, msg); |
4b76734f | 4532 | |
6706b2ba JF |
4533 | wmove(status_win, 0, 0); |
4534 | if (*msg) { | |
4535 | vwprintw(status_win, msg, args); | |
21be28fb | 4536 | status_empty = FALSE; |
6706b2ba | 4537 | } else { |
21be28fb | 4538 | status_empty = TRUE; |
6706b2ba | 4539 | } |
390a8262 | 4540 | wclrtoeol(status_win); |
6706b2ba | 4541 | wrefresh(status_win); |
b801d8b2 | 4542 | |
6706b2ba JF |
4543 | va_end(args); |
4544 | } | |
4545 | ||
4546 | update_view_title(view); | |
2bee3bde | 4547 | update_display_cursor(view); |
b801d8b2 JF |
4548 | } |
4549 | ||
6b161b31 JF |
4550 | /* Controls when nodelay should be in effect when polling user input. */ |
4551 | static void | |
1ba2ae4b | 4552 | set_nonblocking_input(bool loading) |
b801d8b2 | 4553 | { |
6706b2ba | 4554 | static unsigned int loading_views; |
b801d8b2 | 4555 | |
6706b2ba JF |
4556 | if ((loading == FALSE && loading_views-- == 1) || |
4557 | (loading == TRUE && loading_views++ == 0)) | |
1ba2ae4b | 4558 | nodelay(status_win, loading); |
6b161b31 JF |
4559 | } |
4560 | ||
4561 | static void | |
4562 | init_display(void) | |
4563 | { | |
4564 | int x, y; | |
b76c2afc | 4565 | |
6908bdbd JF |
4566 | /* Initialize the curses library */ |
4567 | if (isatty(STDIN_FILENO)) { | |
8855ada4 | 4568 | cursed = !!initscr(); |
6908bdbd JF |
4569 | } else { |
4570 | /* Leave stdin and stdout alone when acting as a pager. */ | |
4571 | FILE *io = fopen("/dev/tty", "r+"); | |
4572 | ||
e6f60674 JF |
4573 | if (!io) |
4574 | die("Failed to open /dev/tty"); | |
8855ada4 | 4575 | cursed = !!newterm(NULL, io, io); |
6908bdbd JF |
4576 | } |
4577 | ||
8855ada4 JF |
4578 | if (!cursed) |
4579 | die("Failed to initialize curses"); | |
4580 | ||
2e8488b4 JF |
4581 | nonl(); /* Tell curses not to do NL->CR/NL on output */ |
4582 | cbreak(); /* Take input chars one at a time, no wait for \n */ | |
4583 | noecho(); /* Don't echo input */ | |
b801d8b2 | 4584 | leaveok(stdscr, TRUE); |
b801d8b2 JF |
4585 | |
4586 | if (has_colors()) | |
4587 | init_colors(); | |
4588 | ||
4589 | getmaxyx(stdscr, y, x); | |
4590 | status_win = newwin(1, 0, y - 1, 0); | |
4591 | if (!status_win) | |
4592 | die("Failed to create status window"); | |
4593 | ||
4594 | /* Enable keyboard mapping */ | |
4595 | keypad(status_win, TRUE); | |
78c70acd | 4596 | wbkgdset(status_win, get_line_attr(LINE_STATUS)); |
6b161b31 JF |
4597 | } |
4598 | ||
4af34daa | 4599 | static char * |
cb9e48c1 | 4600 | read_prompt(const char *prompt) |
ef5404a4 JF |
4601 | { |
4602 | enum { READING, STOP, CANCEL } status = READING; | |
9e21ce5c | 4603 | static char buf[sizeof(opt_cmd) - STRING_SIZE("git \0")]; |
ef5404a4 JF |
4604 | int pos = 0; |
4605 | ||
4606 | while (status == READING) { | |
4607 | struct view *view; | |
4608 | int i, key; | |
4609 | ||
ab4af23e JF |
4610 | input_mode = TRUE; |
4611 | ||
699ae55b | 4612 | foreach_view (view, i) |
ef5404a4 JF |
4613 | update_view(view); |
4614 | ||
ab4af23e JF |
4615 | input_mode = FALSE; |
4616 | ||
4617 | mvwprintw(status_win, 0, 0, "%s%.*s", prompt, pos, buf); | |
4618 | wclrtoeol(status_win); | |
4619 | ||
ef5404a4 JF |
4620 | /* Refresh, accept single keystroke of input */ |
4621 | key = wgetch(status_win); | |
4622 | switch (key) { | |
4623 | case KEY_RETURN: | |
4624 | case KEY_ENTER: | |
4625 | case '\n': | |
4626 | status = pos ? STOP : CANCEL; | |
4627 | break; | |
4628 | ||
4629 | case KEY_BACKSPACE: | |
4630 | if (pos > 0) | |
4631 | pos--; | |
4632 | else | |
4633 | status = CANCEL; | |
4634 | break; | |
4635 | ||
4636 | case KEY_ESC: | |
4637 | status = CANCEL; | |
4638 | break; | |
4639 | ||
4640 | case ERR: | |
4641 | break; | |
4642 | ||
4643 | default: | |
4644 | if (pos >= sizeof(buf)) { | |
4645 | report("Input string too long"); | |
9e21ce5c | 4646 | return NULL; |
ef5404a4 JF |
4647 | } |
4648 | ||
4649 | if (isprint(key)) | |
4650 | buf[pos++] = (char) key; | |
4651 | } | |
4652 | } | |
4653 | ||
7a06ebdf JF |
4654 | /* Clear the status window */ |
4655 | status_empty = FALSE; | |
4656 | report(""); | |
4657 | ||
4658 | if (status == CANCEL) | |
9e21ce5c | 4659 | return NULL; |
ef5404a4 JF |
4660 | |
4661 | buf[pos++] = 0; | |
ef5404a4 | 4662 | |
9e21ce5c | 4663 | return buf; |
ef5404a4 | 4664 | } |
c34d9c9f JF |
4665 | |
4666 | /* | |
4667 | * Repository references | |
4668 | */ | |
4669 | ||
4670 | static struct ref *refs; | |
3a91b75e | 4671 | static size_t refs_size; |
c34d9c9f | 4672 | |
1307df1a JF |
4673 | /* Id <-> ref store */ |
4674 | static struct ref ***id_refs; | |
4675 | static size_t id_refs_size; | |
4676 | ||
c34d9c9f JF |
4677 | static struct ref ** |
4678 | get_refs(char *id) | |
4679 | { | |
1307df1a JF |
4680 | struct ref ***tmp_id_refs; |
4681 | struct ref **ref_list = NULL; | |
4682 | size_t ref_list_size = 0; | |
c34d9c9f JF |
4683 | size_t i; |
4684 | ||
1307df1a JF |
4685 | for (i = 0; i < id_refs_size; i++) |
4686 | if (!strcmp(id, id_refs[i][0]->id)) | |
4687 | return id_refs[i]; | |
4688 | ||
4689 | tmp_id_refs = realloc(id_refs, (id_refs_size + 1) * sizeof(*id_refs)); | |
4690 | if (!tmp_id_refs) | |
4691 | return NULL; | |
4692 | ||
4693 | id_refs = tmp_id_refs; | |
4694 | ||
c34d9c9f JF |
4695 | for (i = 0; i < refs_size; i++) { |
4696 | struct ref **tmp; | |
4697 | ||
4698 | if (strcmp(id, refs[i].id)) | |
4699 | continue; | |
4700 | ||
1307df1a | 4701 | tmp = realloc(ref_list, (ref_list_size + 1) * sizeof(*ref_list)); |
c34d9c9f | 4702 | if (!tmp) { |
1307df1a JF |
4703 | if (ref_list) |
4704 | free(ref_list); | |
c34d9c9f JF |
4705 | return NULL; |
4706 | } | |
4707 | ||
1307df1a JF |
4708 | ref_list = tmp; |
4709 | if (ref_list_size > 0) | |
4710 | ref_list[ref_list_size - 1]->next = 1; | |
4711 | ref_list[ref_list_size] = &refs[i]; | |
3af8774e JF |
4712 | |
4713 | /* XXX: The properties of the commit chains ensures that we can | |
4714 | * safely modify the shared ref. The repo references will | |
4715 | * always be similar for the same id. */ | |
1307df1a JF |
4716 | ref_list[ref_list_size]->next = 0; |
4717 | ref_list_size++; | |
c34d9c9f JF |
4718 | } |
4719 | ||
1307df1a JF |
4720 | if (ref_list) |
4721 | id_refs[id_refs_size++] = ref_list; | |
4722 | ||
4723 | return ref_list; | |
c34d9c9f JF |
4724 | } |
4725 | ||
4726 | static int | |
5699e0cf | 4727 | read_ref(char *id, size_t idlen, char *name, size_t namelen) |
c34d9c9f | 4728 | { |
d0cea5f9 JF |
4729 | struct ref *ref; |
4730 | bool tag = FALSE; | |
e15ec88e | 4731 | bool remote = FALSE; |
d0cea5f9 | 4732 | |
8b0297ae JF |
4733 | if (!strncmp(name, "refs/tags/", STRING_SIZE("refs/tags/"))) { |
4734 | /* Commits referenced by tags has "^{}" appended. */ | |
4735 | if (name[namelen - 1] != '}') | |
4736 | return OK; | |
4737 | ||
d0cea5f9 JF |
4738 | while (namelen > 0 && name[namelen] != '^') |
4739 | namelen--; | |
c34d9c9f | 4740 | |
d0cea5f9 | 4741 | tag = TRUE; |
8b0297ae JF |
4742 | namelen -= STRING_SIZE("refs/tags/"); |
4743 | name += STRING_SIZE("refs/tags/"); | |
c34d9c9f | 4744 | |
e15ec88e JF |
4745 | } else if (!strncmp(name, "refs/remotes/", STRING_SIZE("refs/remotes/"))) { |
4746 | remote = TRUE; | |
4747 | namelen -= STRING_SIZE("refs/remotes/"); | |
4748 | name += STRING_SIZE("refs/remotes/"); | |
4749 | ||
d0cea5f9 | 4750 | } else if (!strncmp(name, "refs/heads/", STRING_SIZE("refs/heads/"))) { |
8b0297ae JF |
4751 | namelen -= STRING_SIZE("refs/heads/"); |
4752 | name += STRING_SIZE("refs/heads/"); | |
c34d9c9f | 4753 | |
d0cea5f9 JF |
4754 | } else if (!strcmp(name, "HEAD")) { |
4755 | return OK; | |
4756 | } | |
6706b2ba | 4757 | |
d0cea5f9 JF |
4758 | refs = realloc(refs, sizeof(*refs) * (refs_size + 1)); |
4759 | if (!refs) | |
4760 | return ERR; | |
c34d9c9f | 4761 | |
d0cea5f9 | 4762 | ref = &refs[refs_size++]; |
8b0297ae | 4763 | ref->name = malloc(namelen + 1); |
d0cea5f9 JF |
4764 | if (!ref->name) |
4765 | return ERR; | |
3af8774e | 4766 | |
8b0297ae JF |
4767 | strncpy(ref->name, name, namelen); |
4768 | ref->name[namelen] = 0; | |
d0cea5f9 | 4769 | ref->tag = tag; |
e15ec88e | 4770 | ref->remote = remote; |
2463b4ea | 4771 | string_copy_rev(ref->id, id); |
3af8774e | 4772 | |
d0cea5f9 JF |
4773 | return OK; |
4774 | } | |
c34d9c9f | 4775 | |
d0cea5f9 JF |
4776 | static int |
4777 | load_refs(void) | |
4778 | { | |
4779 | const char *cmd_env = getenv("TIG_LS_REMOTE"); | |
4780 | const char *cmd = cmd_env && *cmd_env ? cmd_env : TIG_LS_REMOTE; | |
c34d9c9f | 4781 | |
4a63c884 | 4782 | return read_properties(popen(cmd, "r"), "\t", read_ref); |
d0cea5f9 | 4783 | } |
c34d9c9f | 4784 | |
d0cea5f9 | 4785 | static int |
5699e0cf | 4786 | read_repo_config_option(char *name, size_t namelen, char *value, size_t valuelen) |
d0cea5f9 | 4787 | { |
22913179 | 4788 | if (!strcmp(name, "i18n.commitencoding")) |
739e81de | 4789 | string_ncopy(opt_encoding, value, valuelen); |
c34d9c9f | 4790 | |
0cea0d43 JF |
4791 | if (!strcmp(name, "core.editor")) |
4792 | string_ncopy(opt_editor, value, valuelen); | |
4793 | ||
c34d9c9f JF |
4794 | return OK; |
4795 | } | |
4796 | ||
4670cf89 | 4797 | static int |
14c778a6 | 4798 | load_repo_config(void) |
4670cf89 | 4799 | { |
96e58f5b | 4800 | return read_properties(popen(GIT_CONFIG " --list", "r"), |
14c778a6 | 4801 | "=", read_repo_config_option); |
d0cea5f9 JF |
4802 | } |
4803 | ||
4804 | static int | |
5699e0cf | 4805 | read_repo_info(char *name, size_t namelen, char *value, size_t valuelen) |
91c5d983 | 4806 | { |
c38c64bb | 4807 | if (!opt_git_dir[0]) { |
810f0078 | 4808 | string_ncopy(opt_git_dir, name, namelen); |
c38c64bb JF |
4809 | |
4810 | } else if (opt_is_inside_work_tree == -1) { | |
4811 | /* This can be 3 different values depending on the | |
4812 | * version of git being used. If git-rev-parse does not | |
4813 | * understand --is-inside-work-tree it will simply echo | |
4814 | * the option else either "true" or "false" is printed. | |
4815 | * Default to true for the unknown case. */ | |
4816 | opt_is_inside_work_tree = strcmp(name, "false") ? TRUE : FALSE; | |
4817 | ||
4818 | } else { | |
739e81de | 4819 | string_ncopy(opt_cdup, name, namelen); |
c38c64bb JF |
4820 | } |
4821 | ||
91c5d983 JF |
4822 | return OK; |
4823 | } | |
4824 | ||
810f0078 JF |
4825 | /* XXX: The line outputted by "--show-cdup" can be empty so the option |
4826 | * must be the last one! */ | |
91c5d983 JF |
4827 | static int |
4828 | load_repo_info(void) | |
4829 | { | |
c38c64bb | 4830 | return read_properties(popen("git rev-parse --git-dir --is-inside-work-tree --show-cdup 2>/dev/null", "r"), |
91c5d983 JF |
4831 | "=", read_repo_info); |
4832 | } | |
4833 | ||
4834 | static int | |
4a63c884 | 4835 | read_properties(FILE *pipe, const char *separators, |
5699e0cf | 4836 | int (*read_property)(char *, size_t, char *, size_t)) |
d0cea5f9 | 4837 | { |
4670cf89 JF |
4838 | char buffer[BUFSIZ]; |
4839 | char *name; | |
d0cea5f9 | 4840 | int state = OK; |
4670cf89 JF |
4841 | |
4842 | if (!pipe) | |
4843 | return ERR; | |
4844 | ||
d0cea5f9 | 4845 | while (state == OK && (name = fgets(buffer, sizeof(buffer), pipe))) { |
4a63c884 JF |
4846 | char *value; |
4847 | size_t namelen; | |
4848 | size_t valuelen; | |
4670cf89 | 4849 | |
4a63c884 JF |
4850 | name = chomp_string(name); |
4851 | namelen = strcspn(name, separators); | |
4852 | ||
4853 | if (name[namelen]) { | |
4854 | name[namelen] = 0; | |
4855 | value = chomp_string(name + namelen + 1); | |
d0cea5f9 | 4856 | valuelen = strlen(value); |
4670cf89 | 4857 | |
d0cea5f9 | 4858 | } else { |
d0cea5f9 JF |
4859 | value = ""; |
4860 | valuelen = 0; | |
4670cf89 | 4861 | } |
d0cea5f9 | 4862 | |
3c3801c2 | 4863 | state = read_property(name, namelen, value, valuelen); |
4670cf89 JF |
4864 | } |
4865 | ||
d0cea5f9 JF |
4866 | if (state != ERR && ferror(pipe)) |
4867 | state = ERR; | |
4670cf89 JF |
4868 | |
4869 | pclose(pipe); | |
4870 | ||
d0cea5f9 | 4871 | return state; |
4670cf89 JF |
4872 | } |
4873 | ||
d0cea5f9 | 4874 | |
6b161b31 JF |
4875 | /* |
4876 | * Main | |
4877 | */ | |
4878 | ||
b5c9e67f | 4879 | static void __NORETURN |
6b161b31 JF |
4880 | quit(int sig) |
4881 | { | |
8855ada4 JF |
4882 | /* XXX: Restore tty modes and let the OS cleanup the rest! */ |
4883 | if (cursed) | |
4884 | endwin(); | |
6b161b31 JF |
4885 | exit(0); |
4886 | } | |
4887 | ||
c6704a4e JF |
4888 | static void __NORETURN |
4889 | die(const char *err, ...) | |
6b161b31 JF |
4890 | { |
4891 | va_list args; | |
4892 | ||
4893 | endwin(); | |
4894 | ||
4895 | va_start(args, err); | |
4896 | fputs("tig: ", stderr); | |
4897 | vfprintf(stderr, err, args); | |
4898 | fputs("\n", stderr); | |
4899 | va_end(args); | |
4900 | ||
4901 | exit(1); | |
4902 | } | |
4903 | ||
4904 | int | |
4905 | main(int argc, char *argv[]) | |
4906 | { | |
1ba2ae4b | 4907 | struct view *view; |
6b161b31 | 4908 | enum request request; |
1ba2ae4b | 4909 | size_t i; |
6b161b31 JF |
4910 | |
4911 | signal(SIGINT, quit); | |
4912 | ||
6b68fd24 | 4913 | if (setlocale(LC_ALL, "")) { |
739e81de JF |
4914 | char *codeset = nl_langinfo(CODESET); |
4915 | ||
4916 | string_ncopy(opt_codeset, codeset, strlen(codeset)); | |
6b68fd24 JF |
4917 | } |
4918 | ||
e0f50df0 JF |
4919 | if (load_repo_info() == ERR) |
4920 | die("Failed to load repo info."); | |
4921 | ||
660e09ad JF |
4922 | if (load_options() == ERR) |
4923 | die("Failed to load user config."); | |
4924 | ||
4925 | /* Load the repo config file so options can be overwritten from | |
739e81de | 4926 | * the command line. */ |
14c778a6 | 4927 | if (load_repo_config() == ERR) |
afdc35b3 | 4928 | die("Failed to load repo config."); |
91c5d983 | 4929 | |
8855ada4 | 4930 | if (!parse_options(argc, argv)) |
6b161b31 JF |
4931 | return 0; |
4932 | ||
58a5e4ea JF |
4933 | /* Require a git repository unless when running in pager mode. */ |
4934 | if (!opt_git_dir[0]) | |
4935 | die("Not a git repository"); | |
4936 | ||
6b68fd24 JF |
4937 | if (*opt_codeset && strcmp(opt_codeset, opt_encoding)) { |
4938 | opt_iconv = iconv_open(opt_codeset, opt_encoding); | |
20f4b4a3 | 4939 | if (opt_iconv == ICONV_NONE) |
6b68fd24 JF |
4940 | die("Failed to initialize character set conversion"); |
4941 | } | |
4942 | ||
c34d9c9f JF |
4943 | if (load_refs() == ERR) |
4944 | die("Failed to load refs."); | |
4945 | ||
1ba2ae4b JF |
4946 | for (i = 0; i < ARRAY_SIZE(views) && (view = &views[i]); i++) |
4947 | view->cmd_env = getenv(view->cmd_env); | |
4948 | ||
6b161b31 JF |
4949 | request = opt_request; |
4950 | ||
4951 | init_display(); | |
b801d8b2 JF |
4952 | |
4953 | while (view_driver(display[current_view], request)) { | |
6b161b31 | 4954 | int key; |
b801d8b2 JF |
4955 | int i; |
4956 | ||
699ae55b | 4957 | foreach_view (view, i) |
6b161b31 | 4958 | update_view(view); |
b801d8b2 JF |
4959 | |
4960 | /* Refresh, accept single keystroke of input */ | |
6b161b31 | 4961 | key = wgetch(status_win); |
04e2b7b2 | 4962 | |
cf4d82e6 JF |
4963 | /* wgetch() with nodelay() enabled returns ERR when there's no |
4964 | * input. */ | |
4965 | if (key == ERR) { | |
4966 | request = REQ_NONE; | |
8b534a13 | 4967 | continue; |
cf4d82e6 | 4968 | } |
04e2b7b2 JF |
4969 | |
4970 | request = get_keybinding(display[current_view]->keymap, key); | |
03a93dbb | 4971 | |
6706b2ba | 4972 | /* Some low-level request handling. This keeps access to |
fac7db6c JF |
4973 | * status_win restricted. */ |
4974 | switch (request) { | |
4975 | case REQ_PROMPT: | |
9e21ce5c JF |
4976 | { |
4977 | char *cmd = read_prompt(":"); | |
4978 | ||
4979 | if (cmd && string_format(opt_cmd, "git %s", cmd)) { | |
4980 | if (strncmp(cmd, "show", 4) && isspace(cmd[4])) { | |
4981 | opt_request = REQ_VIEW_DIFF; | |
4982 | } else { | |
4983 | opt_request = REQ_VIEW_PAGER; | |
4984 | } | |
4985 | break; | |
4986 | } | |
fac7db6c | 4987 | |
1d754561 | 4988 | request = REQ_NONE; |
9e21ce5c JF |
4989 | break; |
4990 | } | |
4af34daa JF |
4991 | case REQ_SEARCH: |
4992 | case REQ_SEARCH_BACK: | |
4993 | { | |
4994 | const char *prompt = request == REQ_SEARCH | |
4995 | ? "/" : "?"; | |
4996 | char *search = read_prompt(prompt); | |
4997 | ||
4998 | if (search) | |
739e81de | 4999 | string_ncopy(opt_search, search, strlen(search)); |
4af34daa JF |
5000 | else |
5001 | request = REQ_NONE; | |
5002 | break; | |
5003 | } | |
fac7db6c JF |
5004 | case REQ_SCREEN_RESIZE: |
5005 | { | |
5006 | int height, width; | |
5007 | ||
5008 | getmaxyx(stdscr, height, width); | |
5009 | ||
5010 | /* Resize the status view and let the view driver take | |
5011 | * care of resizing the displayed views. */ | |
5012 | wresize(status_win, 1, width); | |
5013 | mvwin(status_win, height - 1, 0); | |
5014 | wrefresh(status_win); | |
5015 | break; | |
5016 | } | |
5017 | default: | |
5018 | break; | |
03a93dbb | 5019 | } |
b801d8b2 JF |
5020 | } |
5021 | ||
5022 | quit(0); | |
5023 | ||
5024 | return 0; | |
5025 | } |