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, ...); | |
77452abc | 54 | static void warn(const char *msg, ...); |
b801d8b2 | 55 | static void report(const char *msg, ...); |
5699e0cf | 56 | static int read_properties(FILE *pipe, const char *separators, int (*read)(char *, size_t, char *, size_t)); |
1ba2ae4b | 57 | static void set_nonblocking_input(bool loading); |
10e290ee | 58 | static size_t utf8_length(const char *string, size_t max_width, int *coloffset, int *trimmed); |
6b161b31 JF |
59 | |
60 | #define ABS(x) ((x) >= 0 ? (x) : -(x)) | |
61 | #define MIN(x, y) ((x) < (y) ? (x) : (y)) | |
62 | ||
63 | #define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0])) | |
64 | #define STRING_SIZE(x) (sizeof(x) - 1) | |
b76c2afc | 65 | |
17482b11 | 66 | #define SIZEOF_STR 1024 /* Default string size. */ |
2e8488b4 | 67 | #define SIZEOF_REF 256 /* Size of symbolic or SHA1 ID. */ |
10446330 | 68 | #define SIZEOF_REV 41 /* Holds a SHA-1 and an ending NUL */ |
c8d60a25 JF |
69 | |
70 | /* Revision graph */ | |
71 | ||
72 | #define REVGRAPH_INIT 'I' | |
73 | #define REVGRAPH_MERGE 'M' | |
74 | #define REVGRAPH_BRANCH '+' | |
75 | #define REVGRAPH_COMMIT '*' | |
e81e9c2c | 76 | #define REVGRAPH_BOUND '^' |
c8d60a25 JF |
77 | #define REVGRAPH_LINE '|' |
78 | ||
54efb62b | 79 | #define SIZEOF_REVGRAPH 19 /* Size of revision ancestry graphics. */ |
b801d8b2 | 80 | |
82e78006 JF |
81 | /* This color name can be used to refer to the default term colors. */ |
82 | #define COLOR_DEFAULT (-1) | |
78c70acd | 83 | |
6b68fd24 | 84 | #define ICONV_NONE ((iconv_t) -1) |
58a5e4ea JF |
85 | #ifndef ICONV_CONST |
86 | #define ICONV_CONST /* nothing */ | |
87 | #endif | |
6b68fd24 | 88 | |
82e78006 | 89 | /* The format and size of the date column in the main view. */ |
4c6fabc2 | 90 | #define DATE_FORMAT "%Y-%m-%d %H:%M" |
6b161b31 | 91 | #define DATE_COLS STRING_SIZE("2006-04-29 14:21 ") |
4c6fabc2 | 92 | |
10e290ee JF |
93 | #define AUTHOR_COLS 20 |
94 | ||
a28bcc22 | 95 | /* The default interval between line numbers. */ |
4a2909a7 | 96 | #define NUMBER_INTERVAL 1 |
82e78006 | 97 | |
6706b2ba JF |
98 | #define TABSIZE 8 |
99 | ||
a28bcc22 JF |
100 | #define SCALE_SPLIT_VIEW(height) ((height) * 2 / 3) |
101 | ||
96e58f5b | 102 | #ifndef GIT_CONFIG |
da633326 | 103 | #define GIT_CONFIG "git config" |
96e58f5b JF |
104 | #endif |
105 | ||
8eb62770 | 106 | #define TIG_LS_REMOTE \ |
337d7377 | 107 | "git ls-remote $(git rev-parse --git-dir) 2>/dev/null" |
8eb62770 JF |
108 | |
109 | #define TIG_DIFF_CMD \ | |
4ef1bf12 | 110 | "git show --no-color --root --patch-with-stat --find-copies-harder -C %s 2>/dev/null" |
8eb62770 JF |
111 | |
112 | #define TIG_LOG_CMD \ | |
8897e66a | 113 | "git log --no-color --cc --stat -n100 %s 2>/dev/null" |
8eb62770 JF |
114 | |
115 | #define TIG_MAIN_CMD \ | |
e81e9c2c | 116 | "git log --no-color --topo-order --boundary --pretty=raw %s 2>/dev/null" |
8eb62770 | 117 | |
e733ee54 JF |
118 | #define TIG_TREE_CMD \ |
119 | "git ls-tree %s %s" | |
120 | ||
121 | #define TIG_BLOB_CMD \ | |
122 | "git cat-file blob %s" | |
123 | ||
8eb62770 JF |
124 | /* XXX: Needs to be defined to the empty string. */ |
125 | #define TIG_HELP_CMD "" | |
126 | #define TIG_PAGER_CMD "" | |
173d76ea | 127 | #define TIG_STATUS_CMD "" |
3e634113 | 128 | #define TIG_STAGE_CMD "" |
8eb62770 | 129 | |
8855ada4 | 130 | /* Some ascii-shorthands fitted into the ncurses namespace. */ |
a28bcc22 JF |
131 | #define KEY_TAB '\t' |
132 | #define KEY_RETURN '\r' | |
4a2909a7 JF |
133 | #define KEY_ESC 27 |
134 | ||
6706b2ba | 135 | |
c34d9c9f | 136 | struct ref { |
468876c9 | 137 | char *name; /* Ref name; tag or head names are shortened. */ |
10446330 | 138 | char id[SIZEOF_REV]; /* Commit SHA1 ID */ |
468876c9 | 139 | unsigned int tag:1; /* Is it a tag? */ |
e15ec88e | 140 | unsigned int remote:1; /* Is it a remote ref? */ |
468876c9 | 141 | unsigned int next:1; /* For ref lists: are there more refs? */ |
c34d9c9f JF |
142 | }; |
143 | ||
ff26aa29 | 144 | static struct ref **get_refs(char *id); |
4c6fabc2 | 145 | |
660e09ad JF |
146 | struct int_map { |
147 | const char *name; | |
148 | int namelen; | |
149 | int value; | |
150 | }; | |
151 | ||
152 | static int | |
153 | set_from_int_map(struct int_map *map, size_t map_size, | |
154 | int *value, const char *name, int namelen) | |
155 | { | |
156 | ||
157 | int i; | |
158 | ||
159 | for (i = 0; i < map_size; i++) | |
160 | if (namelen == map[i].namelen && | |
161 | !strncasecmp(name, map[i].name, namelen)) { | |
162 | *value = map[i].value; | |
163 | return OK; | |
164 | } | |
165 | ||
166 | return ERR; | |
167 | } | |
168 | ||
6706b2ba | 169 | |
03a93dbb JF |
170 | /* |
171 | * String helpers | |
172 | */ | |
78c70acd | 173 | |
82e78006 | 174 | static inline void |
9a48919b | 175 | string_ncopy_do(char *dst, size_t dstlen, const char *src, size_t srclen) |
82e78006 | 176 | { |
9a48919b JF |
177 | if (srclen > dstlen - 1) |
178 | srclen = dstlen - 1; | |
03a93dbb | 179 | |
9a48919b JF |
180 | strncpy(dst, src, srclen); |
181 | dst[srclen] = 0; | |
82e78006 JF |
182 | } |
183 | ||
9a48919b JF |
184 | /* Shorthands for safely copying into a fixed buffer. */ |
185 | ||
82e78006 | 186 | #define string_copy(dst, src) \ |
751e27c9 | 187 | string_ncopy_do(dst, sizeof(dst), src, sizeof(src)) |
9a48919b JF |
188 | |
189 | #define string_ncopy(dst, src, srclen) \ | |
190 | string_ncopy_do(dst, sizeof(dst), src, srclen) | |
82e78006 | 191 | |
2463b4ea JF |
192 | #define string_copy_rev(dst, src) \ |
193 | string_ncopy_do(dst, SIZEOF_REV, src, SIZEOF_REV - 1) | |
194 | ||
91c5d983 JF |
195 | #define string_add(dst, from, src) \ |
196 | string_ncopy_do(dst + (from), sizeof(dst) - (from), src, sizeof(src)) | |
197 | ||
4a63c884 JF |
198 | static char * |
199 | chomp_string(char *name) | |
200 | { | |
201 | int namelen; | |
202 | ||
203 | while (isspace(*name)) | |
204 | name++; | |
205 | ||
206 | namelen = strlen(name) - 1; | |
207 | while (namelen > 0 && isspace(name[namelen])) | |
208 | name[namelen--] = 0; | |
209 | ||
210 | return name; | |
211 | } | |
212 | ||
cc2d1364 | 213 | static bool |
d65ced0d | 214 | string_nformat(char *buf, size_t bufsize, size_t *bufpos, const char *fmt, ...) |
cc2d1364 JF |
215 | { |
216 | va_list args; | |
d65ced0d | 217 | size_t pos = bufpos ? *bufpos : 0; |
cc2d1364 JF |
218 | |
219 | va_start(args, fmt); | |
220 | pos += vsnprintf(buf + pos, bufsize - pos, fmt, args); | |
221 | va_end(args); | |
222 | ||
223 | if (bufpos) | |
224 | *bufpos = pos; | |
225 | ||
226 | return pos >= bufsize ? FALSE : TRUE; | |
227 | } | |
228 | ||
229 | #define string_format(buf, fmt, args...) \ | |
230 | string_nformat(buf, sizeof(buf), NULL, fmt, args) | |
231 | ||
232 | #define string_format_from(buf, from, fmt, args...) \ | |
233 | string_nformat(buf, sizeof(buf), from, fmt, args) | |
6706b2ba | 234 | |
201f5a18 JF |
235 | static int |
236 | string_enum_compare(const char *str1, const char *str2, int len) | |
237 | { | |
238 | size_t i; | |
239 | ||
240 | #define string_enum_sep(x) ((x) == '-' || (x) == '_' || (x) == '.') | |
241 | ||
242 | /* Diff-Header == DIFF_HEADER */ | |
243 | for (i = 0; i < len; i++) { | |
244 | if (toupper(str1[i]) == toupper(str2[i])) | |
245 | continue; | |
246 | ||
247 | if (string_enum_sep(str1[i]) && | |
248 | string_enum_sep(str2[i])) | |
249 | continue; | |
250 | ||
251 | return str1[i] - str2[i]; | |
252 | } | |
253 | ||
254 | return 0; | |
255 | } | |
256 | ||
03a93dbb JF |
257 | /* Shell quoting |
258 | * | |
259 | * NOTE: The following is a slightly modified copy of the git project's shell | |
260 | * quoting routines found in the quote.c file. | |
261 | * | |
262 | * Help to copy the thing properly quoted for the shell safety. any single | |
263 | * quote is replaced with '\'', any exclamation point is replaced with '\!', | |
264 | * and the whole thing is enclosed in a | |
265 | * | |
266 | * E.g. | |
267 | * original sq_quote result | |
268 | * name ==> name ==> 'name' | |
269 | * a b ==> a b ==> 'a b' | |
270 | * a'b ==> a'\''b ==> 'a'\''b' | |
271 | * a!b ==> a'\!'b ==> 'a'\!'b' | |
272 | */ | |
273 | ||
274 | static size_t | |
17482b11 | 275 | sq_quote(char buf[SIZEOF_STR], size_t bufsize, const char *src) |
03a93dbb JF |
276 | { |
277 | char c; | |
278 | ||
17482b11 | 279 | #define BUFPUT(x) do { if (bufsize < SIZEOF_STR) buf[bufsize++] = (x); } while (0) |
03a93dbb JF |
280 | |
281 | BUFPUT('\''); | |
282 | while ((c = *src++)) { | |
283 | if (c == '\'' || c == '!') { | |
284 | BUFPUT('\''); | |
285 | BUFPUT('\\'); | |
286 | BUFPUT(c); | |
287 | BUFPUT('\''); | |
288 | } else { | |
289 | BUFPUT(c); | |
290 | } | |
291 | } | |
292 | BUFPUT('\''); | |
293 | ||
f0f114ac JF |
294 | if (bufsize < SIZEOF_STR) |
295 | buf[bufsize] = 0; | |
296 | ||
03a93dbb JF |
297 | return bufsize; |
298 | } | |
299 | ||
82e78006 | 300 | |
24b5b3e0 JF |
301 | /* |
302 | * User requests | |
303 | */ | |
304 | ||
305 | #define REQ_INFO \ | |
306 | /* XXX: Keep the view request first and in sync with views[]. */ \ | |
307 | REQ_GROUP("View switching") \ | |
308 | REQ_(VIEW_MAIN, "Show main view"), \ | |
309 | REQ_(VIEW_DIFF, "Show diff view"), \ | |
310 | REQ_(VIEW_LOG, "Show log view"), \ | |
e733ee54 JF |
311 | REQ_(VIEW_TREE, "Show tree view"), \ |
312 | REQ_(VIEW_BLOB, "Show blob view"), \ | |
24b5b3e0 JF |
313 | REQ_(VIEW_HELP, "Show help page"), \ |
314 | REQ_(VIEW_PAGER, "Show pager view"), \ | |
173d76ea | 315 | REQ_(VIEW_STATUS, "Show status view"), \ |
3e634113 | 316 | REQ_(VIEW_STAGE, "Show stage view"), \ |
24b5b3e0 JF |
317 | \ |
318 | REQ_GROUP("View manipulation") \ | |
319 | REQ_(ENTER, "Enter current line and scroll"), \ | |
320 | REQ_(NEXT, "Move to next"), \ | |
321 | REQ_(PREVIOUS, "Move to previous"), \ | |
322 | REQ_(VIEW_NEXT, "Move focus to next view"), \ | |
acaef3b3 | 323 | REQ_(REFRESH, "Reload and refresh"), \ |
24b5b3e0 JF |
324 | REQ_(VIEW_CLOSE, "Close the current view"), \ |
325 | REQ_(QUIT, "Close all views and quit"), \ | |
326 | \ | |
327 | REQ_GROUP("Cursor navigation") \ | |
328 | REQ_(MOVE_UP, "Move cursor one line up"), \ | |
329 | REQ_(MOVE_DOWN, "Move cursor one line down"), \ | |
330 | REQ_(MOVE_PAGE_DOWN, "Move cursor one page down"), \ | |
331 | REQ_(MOVE_PAGE_UP, "Move cursor one page up"), \ | |
332 | REQ_(MOVE_FIRST_LINE, "Move cursor to first line"), \ | |
333 | REQ_(MOVE_LAST_LINE, "Move cursor to last line"), \ | |
334 | \ | |
335 | REQ_GROUP("Scrolling") \ | |
336 | REQ_(SCROLL_LINE_UP, "Scroll one line up"), \ | |
337 | REQ_(SCROLL_LINE_DOWN, "Scroll one line down"), \ | |
338 | REQ_(SCROLL_PAGE_UP, "Scroll one page up"), \ | |
339 | REQ_(SCROLL_PAGE_DOWN, "Scroll one page down"), \ | |
340 | \ | |
4af34daa JF |
341 | REQ_GROUP("Searching") \ |
342 | REQ_(SEARCH, "Search the view"), \ | |
343 | REQ_(SEARCH_BACK, "Search backwards in the view"), \ | |
344 | REQ_(FIND_NEXT, "Find next search match"), \ | |
345 | REQ_(FIND_PREV, "Find previous search match"), \ | |
346 | \ | |
24b5b3e0 JF |
347 | REQ_GROUP("Misc") \ |
348 | REQ_(PROMPT, "Bring up the prompt"), \ | |
24b5b3e0 JF |
349 | REQ_(SCREEN_REDRAW, "Redraw the screen"), \ |
350 | REQ_(SCREEN_RESIZE, "Resize the screen"), \ | |
351 | REQ_(SHOW_VERSION, "Show version information"), \ | |
352 | REQ_(STOP_LOADING, "Stop all loading views"), \ | |
54efb62b | 353 | REQ_(TOGGLE_LINENO, "Toggle line numbers"), \ |
ca1d71ea | 354 | REQ_(TOGGLE_REV_GRAPH, "Toggle revision graph visualization"), \ |
0cea0d43 | 355 | REQ_(STATUS_UPDATE, "Update file status"), \ |
b5c18d9d | 356 | REQ_(STATUS_MERGE, "Merge file using external tool"), \ |
c509eed2 | 357 | REQ_(TREE_PARENT, "Switch to parent directory in tree view"), \ |
226da94b | 358 | REQ_(EDIT, "Open in editor"), \ |
d31a629d | 359 | REQ_(NONE, "Do nothing") |
24b5b3e0 JF |
360 | |
361 | ||
362 | /* User action requests. */ | |
363 | enum request { | |
364 | #define REQ_GROUP(help) | |
365 | #define REQ_(req, help) REQ_##req | |
366 | ||
367 | /* Offset all requests to avoid conflicts with ncurses getch values. */ | |
368 | REQ_OFFSET = KEY_MAX + 1, | |
d31a629d | 369 | REQ_INFO |
24b5b3e0 JF |
370 | |
371 | #undef REQ_GROUP | |
372 | #undef REQ_ | |
373 | }; | |
374 | ||
375 | struct request_info { | |
376 | enum request request; | |
04e2b7b2 JF |
377 | char *name; |
378 | int namelen; | |
24b5b3e0 JF |
379 | char *help; |
380 | }; | |
381 | ||
382 | static struct request_info req_info[] = { | |
04e2b7b2 JF |
383 | #define REQ_GROUP(help) { 0, NULL, 0, (help) }, |
384 | #define REQ_(req, help) { REQ_##req, (#req), STRING_SIZE(#req), (help) } | |
24b5b3e0 JF |
385 | REQ_INFO |
386 | #undef REQ_GROUP | |
387 | #undef REQ_ | |
388 | }; | |
389 | ||
04e2b7b2 JF |
390 | static enum request |
391 | get_request(const char *name) | |
392 | { | |
393 | int namelen = strlen(name); | |
394 | int i; | |
395 | ||
396 | for (i = 0; i < ARRAY_SIZE(req_info); i++) | |
397 | if (req_info[i].namelen == namelen && | |
398 | !string_enum_compare(req_info[i].name, name, namelen)) | |
399 | return req_info[i].request; | |
400 | ||
d31a629d | 401 | return REQ_NONE; |
04e2b7b2 JF |
402 | } |
403 | ||
404 | ||
8eb62770 JF |
405 | /* |
406 | * Options | |
407 | */ | |
b76c2afc | 408 | |
4b8c01a3 | 409 | static const char usage[] = |
ec31d0d0 | 410 | "tig " TIG_VERSION " (" __DATE__ ")\n" |
4b8c01a3 | 411 | "\n" |
77452abc JF |
412 | "Usage: tig [options] [revs] [--] [paths]\n" |
413 | " or: tig show [options] [revs] [--] [paths]\n" | |
414 | " or: tig status\n" | |
415 | " or: tig < [git command output]\n" | |
4b8c01a3 JF |
416 | "\n" |
417 | "Options:\n" | |
77452abc JF |
418 | " -v, --version Show version and exit\n" |
419 | " -h, --help Show help message and exit\n"; | |
4b8c01a3 | 420 | |
6706b2ba | 421 | /* Option and state variables. */ |
92d30f5c | 422 | static bool opt_line_number = FALSE; |
11ce319e | 423 | static bool opt_rev_graph = FALSE; |
92d30f5c JF |
424 | static int opt_num_interval = NUMBER_INTERVAL; |
425 | static int opt_tab_size = TABSIZE; | |
426 | static enum request opt_request = REQ_VIEW_MAIN; | |
427 | static char opt_cmd[SIZEOF_STR] = ""; | |
e733ee54 | 428 | static char opt_path[SIZEOF_STR] = ""; |
92d30f5c JF |
429 | static FILE *opt_pipe = NULL; |
430 | static char opt_encoding[20] = "UTF-8"; | |
431 | static bool opt_utf8 = TRUE; | |
432 | static char opt_codeset[20] = "UTF-8"; | |
433 | static iconv_t opt_iconv = ICONV_NONE; | |
434 | static char opt_search[SIZEOF_STR] = ""; | |
91c5d983 | 435 | static char opt_cdup[SIZEOF_STR] = ""; |
810f0078 | 436 | static char opt_git_dir[SIZEOF_STR] = ""; |
c38c64bb | 437 | static char opt_is_inside_work_tree = -1; /* set to TRUE or FALSE */ |
0cea0d43 | 438 | static char opt_editor[SIZEOF_STR] = ""; |
b76c2afc | 439 | |
6dbf6c19 JF |
440 | enum option_type { |
441 | OPT_NONE, | |
442 | OPT_INT, | |
443 | }; | |
444 | ||
445 | static bool | |
446 | check_option(char *opt, char short_name, char *name, enum option_type type, ...) | |
447 | { | |
448 | va_list args; | |
449 | char *value = ""; | |
450 | int *number; | |
451 | ||
452 | if (opt[0] != '-') | |
453 | return FALSE; | |
454 | ||
455 | if (opt[1] == '-') { | |
456 | int namelen = strlen(name); | |
457 | ||
458 | opt += 2; | |
459 | ||
460 | if (strncmp(opt, name, namelen)) | |
461 | return FALSE; | |
462 | ||
463 | if (opt[namelen] == '=') | |
464 | value = opt + namelen + 1; | |
465 | ||
466 | } else { | |
467 | if (!short_name || opt[1] != short_name) | |
468 | return FALSE; | |
469 | value = opt + 2; | |
470 | } | |
471 | ||
472 | va_start(args, type); | |
473 | if (type == OPT_INT) { | |
474 | number = va_arg(args, int *); | |
475 | if (isdigit(*value)) | |
476 | *number = atoi(value); | |
477 | } | |
478 | va_end(args); | |
479 | ||
480 | return TRUE; | |
481 | } | |
482 | ||
b76c2afc | 483 | /* Returns the index of log or diff command or -1 to exit. */ |
8855ada4 | 484 | static bool |
b76c2afc JF |
485 | parse_options(int argc, char *argv[]) |
486 | { | |
77452abc JF |
487 | char *altargv[1024]; |
488 | int altargc = 0; | |
489 | char *subcommand = NULL; | |
b76c2afc JF |
490 | int i; |
491 | ||
492 | for (i = 1; i < argc; i++) { | |
493 | char *opt = argv[i]; | |
494 | ||
3621d94e | 495 | if (!strcmp(opt, "log") || |
77452abc JF |
496 | !strcmp(opt, "diff")) { |
497 | subcommand = opt; | |
3621d94e JF |
498 | opt_request = opt[0] == 'l' |
499 | ? REQ_VIEW_LOG : REQ_VIEW_DIFF; | |
77452abc JF |
500 | warn("`tig %s' has been deprecated", opt); |
501 | break; | |
502 | } | |
503 | ||
504 | if (!strcmp(opt, "show")) { | |
505 | subcommand = opt; | |
506 | opt_request = REQ_VIEW_DIFF; | |
507 | break; | |
508 | } | |
509 | ||
510 | if (!strcmp(opt, "status")) { | |
511 | subcommand = opt; | |
512 | opt_request = REQ_VIEW_STATUS; | |
3621d94e JF |
513 | break; |
514 | } | |
515 | ||
8d27b36e JF |
516 | if (opt[0] && opt[0] != '-') |
517 | break; | |
518 | ||
bfe97931 JF |
519 | if (!strcmp(opt, "--")) { |
520 | i++; | |
521 | break; | |
522 | } | |
523 | ||
524 | if (check_option(opt, 'v', "version", OPT_NONE)) { | |
525 | printf("tig version %s\n", TIG_VERSION); | |
526 | return FALSE; | |
527 | } | |
528 | ||
529 | if (check_option(opt, 'h', "help", OPT_NONE)) { | |
530 | printf(usage); | |
531 | return FALSE; | |
532 | } | |
533 | ||
534 | if (!strcmp(opt, "-S")) { | |
77452abc | 535 | warn("`%s' has been deprecated; use `tig status' instead", opt); |
bfe97931 JF |
536 | opt_request = REQ_VIEW_STATUS; |
537 | continue; | |
538 | } | |
539 | ||
6b161b31 | 540 | if (!strcmp(opt, "-l")) { |
4a2909a7 | 541 | opt_request = REQ_VIEW_LOG; |
77452abc | 542 | } else if (!strcmp(opt, "-d")) { |
4a2909a7 | 543 | opt_request = REQ_VIEW_DIFF; |
77452abc | 544 | } else if (check_option(opt, 'n', "line-number", OPT_INT, &opt_num_interval)) { |
6b161b31 | 545 | opt_line_number = TRUE; |
77452abc | 546 | } else if (check_option(opt, 'b', "tab-size", OPT_INT, &opt_tab_size)) { |
6dbf6c19 | 547 | opt_tab_size = MIN(opt_tab_size, TABSIZE); |
77452abc JF |
548 | } else { |
549 | if (altargc >= ARRAY_SIZE(altargv)) | |
550 | die("maximum number of arguments exceeded"); | |
551 | altargv[altargc++] = opt; | |
6706b2ba JF |
552 | continue; |
553 | } | |
554 | ||
77452abc | 555 | warn("`%s' has been deprecated", opt); |
b76c2afc JF |
556 | } |
557 | ||
77452abc JF |
558 | /* Check that no 'alt' arguments occured before a subcommand. */ |
559 | if (subcommand && i < argc && altargc > 0) | |
560 | die("unknown arguments before `%s'", argv[i]); | |
561 | ||
6908bdbd | 562 | if (!isatty(STDIN_FILENO)) { |
6908bdbd JF |
563 | opt_request = REQ_VIEW_PAGER; |
564 | opt_pipe = stdin; | |
565 | ||
77452abc JF |
566 | } else if (opt_request == REQ_VIEW_STATUS) { |
567 | if (argc - i > 1) | |
568 | warn("ignoring arguments after `%s'", argv[i]); | |
569 | ||
570 | } else if (i < argc || altargc > 0) { | |
571 | int alti = 0; | |
6908bdbd JF |
572 | size_t buf_size; |
573 | ||
6908bdbd | 574 | if (opt_request == REQ_VIEW_MAIN) |
8855ada4 JF |
575 | /* XXX: This is vulnerable to the user overriding |
576 | * options required for the main view parser. */ | |
e81e9c2c | 577 | string_copy(opt_cmd, "git log --no-color --pretty=raw --boundary"); |
6908bdbd JF |
578 | else |
579 | string_copy(opt_cmd, "git"); | |
580 | buf_size = strlen(opt_cmd); | |
581 | ||
77452abc JF |
582 | while (buf_size < sizeof(opt_cmd) && alti < altargc) { |
583 | opt_cmd[buf_size++] = ' '; | |
584 | buf_size = sq_quote(opt_cmd, buf_size, altargv[alti++]); | |
585 | } | |
586 | ||
6908bdbd JF |
587 | while (buf_size < sizeof(opt_cmd) && i < argc) { |
588 | opt_cmd[buf_size++] = ' '; | |
589 | buf_size = sq_quote(opt_cmd, buf_size, argv[i++]); | |
590 | } | |
591 | ||
592 | if (buf_size >= sizeof(opt_cmd)) | |
593 | die("command too long"); | |
594 | ||
595 | opt_cmd[buf_size] = 0; | |
6908bdbd JF |
596 | } |
597 | ||
afdc35b3 JF |
598 | if (*opt_encoding && strcasecmp(opt_encoding, "UTF-8")) |
599 | opt_utf8 = FALSE; | |
600 | ||
8855ada4 | 601 | return TRUE; |
b76c2afc JF |
602 | } |
603 | ||
604 | ||
54efb62b JF |
605 | /* |
606 | * Line-oriented content detection. | |
607 | */ | |
608 | ||
2e8488b4 | 609 | #define LINE_INFO \ |
660e09ad | 610 | LINE(DIFF_HEADER, "diff --git ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ |
a28bcc22 JF |
611 | LINE(DIFF_CHUNK, "@@", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
612 | LINE(DIFF_ADD, "+", COLOR_GREEN, COLOR_DEFAULT, 0), \ | |
613 | LINE(DIFF_DEL, "-", COLOR_RED, COLOR_DEFAULT, 0), \ | |
660e09ad JF |
614 | LINE(DIFF_INDEX, "index ", COLOR_BLUE, COLOR_DEFAULT, 0), \ |
615 | LINE(DIFF_OLDMODE, "old file mode ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
616 | LINE(DIFF_NEWMODE, "new file mode ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
617 | LINE(DIFF_COPY_FROM, "copy from", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
618 | LINE(DIFF_COPY_TO, "copy to", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
619 | LINE(DIFF_RENAME_FROM, "rename from", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
620 | LINE(DIFF_RENAME_TO, "rename to", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
621 | LINE(DIFF_SIMILARITY, "similarity ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
622 | LINE(DIFF_DISSIMILARITY,"dissimilarity ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
623 | LINE(DIFF_TREE, "diff-tree ", COLOR_BLUE, COLOR_DEFAULT, 0), \ | |
6908bdbd | 624 | LINE(PP_AUTHOR, "Author: ", COLOR_CYAN, COLOR_DEFAULT, 0), \ |
8855ada4 | 625 | LINE(PP_COMMIT, "Commit: ", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
6908bdbd JF |
626 | LINE(PP_MERGE, "Merge: ", COLOR_BLUE, COLOR_DEFAULT, 0), \ |
627 | LINE(PP_DATE, "Date: ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
8855ada4 JF |
628 | LINE(PP_ADATE, "AuthorDate: ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ |
629 | LINE(PP_CDATE, "CommitDate: ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
7b99a34c | 630 | LINE(PP_REFS, "Refs: ", COLOR_RED, COLOR_DEFAULT, 0), \ |
a28bcc22 JF |
631 | LINE(COMMIT, "commit ", COLOR_GREEN, COLOR_DEFAULT, 0), \ |
632 | LINE(PARENT, "parent ", COLOR_BLUE, COLOR_DEFAULT, 0), \ | |
633 | LINE(TREE, "tree ", COLOR_BLUE, COLOR_DEFAULT, 0), \ | |
8855ada4 | 634 | LINE(AUTHOR, "author ", COLOR_CYAN, COLOR_DEFAULT, 0), \ |
a28bcc22 | 635 | LINE(COMMITTER, "committer ", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
a28bcc22 | 636 | LINE(SIGNOFF, " Signed-off-by", COLOR_YELLOW, COLOR_DEFAULT, 0), \ |
d4d8de8f | 637 | LINE(ACKED, " Acked-by", COLOR_YELLOW, COLOR_DEFAULT, 0), \ |
a28bcc22 JF |
638 | LINE(DEFAULT, "", COLOR_DEFAULT, COLOR_DEFAULT, A_NORMAL), \ |
639 | LINE(CURSOR, "", COLOR_WHITE, COLOR_GREEN, A_BOLD), \ | |
640 | LINE(STATUS, "", COLOR_GREEN, COLOR_DEFAULT, 0), \ | |
6b161b31 JF |
641 | LINE(TITLE_BLUR, "", COLOR_WHITE, COLOR_BLUE, 0), \ |
642 | LINE(TITLE_FOCUS, "", COLOR_WHITE, COLOR_BLUE, A_BOLD), \ | |
a28bcc22 JF |
643 | LINE(MAIN_DATE, "", COLOR_BLUE, COLOR_DEFAULT, 0), \ |
644 | LINE(MAIN_AUTHOR, "", COLOR_GREEN, COLOR_DEFAULT, 0), \ | |
645 | LINE(MAIN_COMMIT, "", COLOR_DEFAULT, COLOR_DEFAULT, 0), \ | |
c34d9c9f JF |
646 | LINE(MAIN_DELIM, "", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
647 | LINE(MAIN_TAG, "", COLOR_MAGENTA, COLOR_DEFAULT, A_BOLD), \ | |
e15ec88e | 648 | LINE(MAIN_REMOTE, "", COLOR_YELLOW, COLOR_DEFAULT, A_BOLD), \ |
660e09ad | 649 | LINE(MAIN_REF, "", COLOR_CYAN, COLOR_DEFAULT, A_BOLD), \ |
f83b1c33 | 650 | LINE(MAIN_REVGRAPH,"", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
e733ee54 | 651 | LINE(TREE_DIR, "", COLOR_DEFAULT, COLOR_DEFAULT, A_NORMAL), \ |
173d76ea | 652 | LINE(TREE_FILE, "", COLOR_DEFAULT, COLOR_DEFAULT, A_NORMAL), \ |
53924375 | 653 | LINE(STAT_SECTION, "", COLOR_CYAN, COLOR_DEFAULT, 0), \ |
173d76ea | 654 | LINE(STAT_NONE, "", COLOR_DEFAULT, COLOR_DEFAULT, 0), \ |
53924375 JF |
655 | LINE(STAT_STAGED, "", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
656 | LINE(STAT_UNSTAGED,"", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ | |
173d76ea | 657 | LINE(STAT_UNTRACKED,"", COLOR_MAGENTA, COLOR_DEFAULT, 0) |
660e09ad | 658 | |
78c70acd | 659 | enum line_type { |
2e8488b4 JF |
660 | #define LINE(type, line, fg, bg, attr) \ |
661 | LINE_##type | |
662 | LINE_INFO | |
663 | #undef LINE | |
78c70acd JF |
664 | }; |
665 | ||
666 | struct line_info { | |
660e09ad JF |
667 | const char *name; /* Option name. */ |
668 | int namelen; /* Size of option name. */ | |
4685845e | 669 | const char *line; /* The start of line to match. */ |
2e8488b4 JF |
670 | int linelen; /* Size of string to match. */ |
671 | int fg, bg, attr; /* Color and text attributes for the lines. */ | |
78c70acd JF |
672 | }; |
673 | ||
2e8488b4 | 674 | static struct line_info line_info[] = { |
78c70acd | 675 | #define LINE(type, line, fg, bg, attr) \ |
660e09ad | 676 | { #type, STRING_SIZE(#type), (line), STRING_SIZE(line), (fg), (bg), (attr) } |
2e8488b4 JF |
677 | LINE_INFO |
678 | #undef LINE | |
78c70acd JF |
679 | }; |
680 | ||
2e8488b4 JF |
681 | static enum line_type |
682 | get_line_type(char *line) | |
78c70acd JF |
683 | { |
684 | int linelen = strlen(line); | |
a28bcc22 | 685 | enum line_type type; |
78c70acd | 686 | |
a28bcc22 | 687 | for (type = 0; type < ARRAY_SIZE(line_info); type++) |
2e8488b4 | 688 | /* Case insensitive search matches Signed-off-by lines better. */ |
a28bcc22 JF |
689 | if (linelen >= line_info[type].linelen && |
690 | !strncasecmp(line_info[type].line, line, line_info[type].linelen)) | |
691 | return type; | |
78c70acd | 692 | |
2e8488b4 | 693 | return LINE_DEFAULT; |
78c70acd JF |
694 | } |
695 | ||
2e8488b4 | 696 | static inline int |
78c70acd JF |
697 | get_line_attr(enum line_type type) |
698 | { | |
2e8488b4 JF |
699 | assert(type < ARRAY_SIZE(line_info)); |
700 | return COLOR_PAIR(type) | line_info[type].attr; | |
78c70acd JF |
701 | } |
702 | ||
660e09ad JF |
703 | static struct line_info * |
704 | get_line_info(char *name, int namelen) | |
705 | { | |
706 | enum line_type type; | |
660e09ad JF |
707 | |
708 | for (type = 0; type < ARRAY_SIZE(line_info); type++) | |
709 | if (namelen == line_info[type].namelen && | |
201f5a18 | 710 | !string_enum_compare(line_info[type].name, name, namelen)) |
660e09ad JF |
711 | return &line_info[type]; |
712 | ||
713 | return NULL; | |
714 | } | |
715 | ||
78c70acd JF |
716 | static void |
717 | init_colors(void) | |
718 | { | |
62c7d1a7 JF |
719 | int default_bg = line_info[LINE_DEFAULT].bg; |
720 | int default_fg = line_info[LINE_DEFAULT].fg; | |
a28bcc22 | 721 | enum line_type type; |
78c70acd JF |
722 | |
723 | start_color(); | |
724 | ||
62c7d1a7 JF |
725 | if (assume_default_colors(default_fg, default_bg) == ERR) { |
726 | default_bg = COLOR_BLACK; | |
727 | default_fg = COLOR_WHITE; | |
78c70acd JF |
728 | } |
729 | ||
a28bcc22 JF |
730 | for (type = 0; type < ARRAY_SIZE(line_info); type++) { |
731 | struct line_info *info = &line_info[type]; | |
82e78006 JF |
732 | int bg = info->bg == COLOR_DEFAULT ? default_bg : info->bg; |
733 | int fg = info->fg == COLOR_DEFAULT ? default_fg : info->fg; | |
78c70acd | 734 | |
a28bcc22 | 735 | init_pair(type, fg, bg); |
78c70acd JF |
736 | } |
737 | } | |
738 | ||
fe7233c3 JF |
739 | struct line { |
740 | enum line_type type; | |
3c571d67 JF |
741 | |
742 | /* State flags */ | |
743 | unsigned int selected:1; | |
744 | ||
fe7233c3 JF |
745 | void *data; /* User data */ |
746 | }; | |
747 | ||
78c70acd | 748 | |
1899507c | 749 | /* |
37157fa0 JF |
750 | * Keys |
751 | */ | |
752 | ||
93a97d86 | 753 | struct keybinding { |
37157fa0 | 754 | int alias; |
93a97d86 | 755 | enum request request; |
04e2b7b2 | 756 | struct keybinding *next; |
37157fa0 JF |
757 | }; |
758 | ||
93a97d86 | 759 | static struct keybinding default_keybindings[] = { |
37157fa0 JF |
760 | /* View switching */ |
761 | { 'm', REQ_VIEW_MAIN }, | |
762 | { 'd', REQ_VIEW_DIFF }, | |
763 | { 'l', REQ_VIEW_LOG }, | |
e733ee54 | 764 | { 't', REQ_VIEW_TREE }, |
0001fc34 | 765 | { 'f', REQ_VIEW_BLOB }, |
37157fa0 JF |
766 | { 'p', REQ_VIEW_PAGER }, |
767 | { 'h', REQ_VIEW_HELP }, | |
173d76ea | 768 | { 'S', REQ_VIEW_STATUS }, |
3e634113 | 769 | { 'c', REQ_VIEW_STAGE }, |
37157fa0 JF |
770 | |
771 | /* View manipulation */ | |
772 | { 'q', REQ_VIEW_CLOSE }, | |
773 | { KEY_TAB, REQ_VIEW_NEXT }, | |
774 | { KEY_RETURN, REQ_ENTER }, | |
775 | { KEY_UP, REQ_PREVIOUS }, | |
776 | { KEY_DOWN, REQ_NEXT }, | |
acaef3b3 | 777 | { 'R', REQ_REFRESH }, |
37157fa0 JF |
778 | |
779 | /* Cursor navigation */ | |
780 | { 'k', REQ_MOVE_UP }, | |
781 | { 'j', REQ_MOVE_DOWN }, | |
782 | { KEY_HOME, REQ_MOVE_FIRST_LINE }, | |
783 | { KEY_END, REQ_MOVE_LAST_LINE }, | |
784 | { KEY_NPAGE, REQ_MOVE_PAGE_DOWN }, | |
785 | { ' ', REQ_MOVE_PAGE_DOWN }, | |
786 | { KEY_PPAGE, REQ_MOVE_PAGE_UP }, | |
787 | { 'b', REQ_MOVE_PAGE_UP }, | |
788 | { '-', REQ_MOVE_PAGE_UP }, | |
789 | ||
790 | /* Scrolling */ | |
791 | { KEY_IC, REQ_SCROLL_LINE_UP }, | |
792 | { KEY_DC, REQ_SCROLL_LINE_DOWN }, | |
793 | { 'w', REQ_SCROLL_PAGE_UP }, | |
794 | { 's', REQ_SCROLL_PAGE_DOWN }, | |
795 | ||
4af34daa JF |
796 | /* Searching */ |
797 | { '/', REQ_SEARCH }, | |
798 | { '?', REQ_SEARCH_BACK }, | |
799 | { 'n', REQ_FIND_NEXT }, | |
800 | { 'N', REQ_FIND_PREV }, | |
801 | ||
37157fa0 JF |
802 | /* Misc */ |
803 | { 'Q', REQ_QUIT }, | |
804 | { 'z', REQ_STOP_LOADING }, | |
805 | { 'v', REQ_SHOW_VERSION }, | |
806 | { 'r', REQ_SCREEN_REDRAW }, | |
904e68d8 | 807 | { '.', REQ_TOGGLE_LINENO }, |
73fb51d5 | 808 | { 'g', REQ_TOGGLE_REV_GRAPH }, |
37157fa0 | 809 | { ':', REQ_PROMPT }, |
ca1d71ea | 810 | { 'u', REQ_STATUS_UPDATE }, |
b5c18d9d | 811 | { 'M', REQ_STATUS_MERGE }, |
c509eed2 | 812 | { ',', REQ_TREE_PARENT }, |
0cea0d43 | 813 | { 'e', REQ_EDIT }, |
37157fa0 | 814 | |
1d754561 | 815 | /* Using the ncurses SIGWINCH handler. */ |
37157fa0 JF |
816 | { KEY_RESIZE, REQ_SCREEN_RESIZE }, |
817 | }; | |
818 | ||
04e2b7b2 JF |
819 | #define KEYMAP_INFO \ |
820 | KEYMAP_(GENERIC), \ | |
821 | KEYMAP_(MAIN), \ | |
822 | KEYMAP_(DIFF), \ | |
823 | KEYMAP_(LOG), \ | |
e733ee54 JF |
824 | KEYMAP_(TREE), \ |
825 | KEYMAP_(BLOB), \ | |
04e2b7b2 | 826 | KEYMAP_(PAGER), \ |
173d76ea | 827 | KEYMAP_(HELP), \ |
3e634113 JF |
828 | KEYMAP_(STATUS), \ |
829 | KEYMAP_(STAGE) | |
04e2b7b2 JF |
830 | |
831 | enum keymap { | |
832 | #define KEYMAP_(name) KEYMAP_##name | |
833 | KEYMAP_INFO | |
834 | #undef KEYMAP_ | |
835 | }; | |
836 | ||
837 | static struct int_map keymap_table[] = { | |
838 | #define KEYMAP_(name) { #name, STRING_SIZE(#name), KEYMAP_##name } | |
839 | KEYMAP_INFO | |
840 | #undef KEYMAP_ | |
841 | }; | |
842 | ||
843 | #define set_keymap(map, name) \ | |
844 | set_from_int_map(keymap_table, ARRAY_SIZE(keymap_table), map, name, strlen(name)) | |
845 | ||
846 | static struct keybinding *keybindings[ARRAY_SIZE(keymap_table)]; | |
847 | ||
848 | static void | |
849 | add_keybinding(enum keymap keymap, enum request request, int key) | |
850 | { | |
851 | struct keybinding *keybinding; | |
852 | ||
853 | keybinding = calloc(1, sizeof(*keybinding)); | |
854 | if (!keybinding) | |
855 | die("Failed to allocate keybinding"); | |
856 | ||
857 | keybinding->alias = key; | |
858 | keybinding->request = request; | |
859 | keybinding->next = keybindings[keymap]; | |
860 | keybindings[keymap] = keybinding; | |
861 | } | |
862 | ||
863 | /* Looks for a key binding first in the given map, then in the generic map, and | |
864 | * lastly in the default keybindings. */ | |
37157fa0 | 865 | static enum request |
04e2b7b2 | 866 | get_keybinding(enum keymap keymap, int key) |
37157fa0 | 867 | { |
04e2b7b2 | 868 | struct keybinding *kbd; |
37157fa0 JF |
869 | int i; |
870 | ||
04e2b7b2 JF |
871 | for (kbd = keybindings[keymap]; kbd; kbd = kbd->next) |
872 | if (kbd->alias == key) | |
873 | return kbd->request; | |
874 | ||
875 | for (kbd = keybindings[KEYMAP_GENERIC]; kbd; kbd = kbd->next) | |
876 | if (kbd->alias == key) | |
877 | return kbd->request; | |
878 | ||
93a97d86 JF |
879 | for (i = 0; i < ARRAY_SIZE(default_keybindings); i++) |
880 | if (default_keybindings[i].alias == key) | |
881 | return default_keybindings[i].request; | |
37157fa0 JF |
882 | |
883 | return (enum request) key; | |
884 | } | |
885 | ||
93a97d86 | 886 | |
37157fa0 JF |
887 | struct key { |
888 | char *name; | |
889 | int value; | |
890 | }; | |
891 | ||
892 | static struct key key_table[] = { | |
893 | { "Enter", KEY_RETURN }, | |
894 | { "Space", ' ' }, | |
895 | { "Backspace", KEY_BACKSPACE }, | |
896 | { "Tab", KEY_TAB }, | |
897 | { "Escape", KEY_ESC }, | |
898 | { "Left", KEY_LEFT }, | |
899 | { "Right", KEY_RIGHT }, | |
900 | { "Up", KEY_UP }, | |
901 | { "Down", KEY_DOWN }, | |
902 | { "Insert", KEY_IC }, | |
903 | { "Delete", KEY_DC }, | |
74f83ee6 | 904 | { "Hash", '#' }, |
37157fa0 JF |
905 | { "Home", KEY_HOME }, |
906 | { "End", KEY_END }, | |
907 | { "PageUp", KEY_PPAGE }, | |
908 | { "PageDown", KEY_NPAGE }, | |
909 | { "F1", KEY_F(1) }, | |
910 | { "F2", KEY_F(2) }, | |
911 | { "F3", KEY_F(3) }, | |
912 | { "F4", KEY_F(4) }, | |
913 | { "F5", KEY_F(5) }, | |
914 | { "F6", KEY_F(6) }, | |
915 | { "F7", KEY_F(7) }, | |
916 | { "F8", KEY_F(8) }, | |
917 | { "F9", KEY_F(9) }, | |
918 | { "F10", KEY_F(10) }, | |
919 | { "F11", KEY_F(11) }, | |
920 | { "F12", KEY_F(12) }, | |
921 | }; | |
922 | ||
04e2b7b2 JF |
923 | static int |
924 | get_key_value(const char *name) | |
925 | { | |
926 | int i; | |
927 | ||
928 | for (i = 0; i < ARRAY_SIZE(key_table); i++) | |
929 | if (!strcasecmp(key_table[i].name, name)) | |
930 | return key_table[i].value; | |
931 | ||
932 | if (strlen(name) == 1 && isprint(*name)) | |
933 | return (int) *name; | |
934 | ||
935 | return ERR; | |
936 | } | |
937 | ||
37157fa0 | 938 | static char * |
9eb14b72 JF |
939 | get_key_name(int key_value) |
940 | { | |
941 | static char key_char[] = "'X'"; | |
942 | char *seq = NULL; | |
943 | int key; | |
944 | ||
945 | for (key = 0; key < ARRAY_SIZE(key_table); key++) | |
946 | if (key_table[key].value == key_value) | |
947 | seq = key_table[key].name; | |
948 | ||
949 | if (seq == NULL && | |
950 | key_value < 127 && | |
951 | isprint(key_value)) { | |
952 | key_char[1] = (char) key_value; | |
953 | seq = key_char; | |
954 | } | |
955 | ||
956 | return seq ? seq : "'?'"; | |
957 | } | |
958 | ||
959 | static char * | |
37157fa0 JF |
960 | get_key(enum request request) |
961 | { | |
962 | static char buf[BUFSIZ]; | |
d65ced0d | 963 | size_t pos = 0; |
520094b4 | 964 | char *sep = ""; |
37157fa0 JF |
965 | int i; |
966 | ||
967 | buf[pos] = 0; | |
968 | ||
93a97d86 JF |
969 | for (i = 0; i < ARRAY_SIZE(default_keybindings); i++) { |
970 | struct keybinding *keybinding = &default_keybindings[i]; | |
37157fa0 | 971 | |
93a97d86 | 972 | if (keybinding->request != request) |
37157fa0 JF |
973 | continue; |
974 | ||
738bee4a JF |
975 | if (!string_format_from(buf, &pos, "%s%s", sep, |
976 | get_key_name(keybinding->alias))) | |
37157fa0 JF |
977 | return "Too many keybindings!"; |
978 | sep = ", "; | |
979 | } | |
980 | ||
981 | return buf; | |
982 | } | |
983 | ||
9eb14b72 JF |
984 | struct run_request { |
985 | enum keymap keymap; | |
986 | int key; | |
987 | char cmd[SIZEOF_STR]; | |
988 | }; | |
989 | ||
990 | static struct run_request *run_request; | |
991 | static size_t run_requests; | |
992 | ||
993 | static enum request | |
994 | add_run_request(enum keymap keymap, int key, int argc, char **argv) | |
995 | { | |
996 | struct run_request *tmp; | |
997 | struct run_request req = { keymap, key }; | |
998 | size_t bufpos; | |
999 | ||
1000 | for (bufpos = 0; argc > 0; argc--, argv++) | |
1001 | if (!string_format_from(req.cmd, &bufpos, "%s ", *argv)) | |
1002 | return REQ_NONE; | |
1003 | ||
1004 | req.cmd[bufpos - 1] = 0; | |
1005 | ||
1006 | tmp = realloc(run_request, (run_requests + 1) * sizeof(*run_request)); | |
1007 | if (!tmp) | |
1008 | return REQ_NONE; | |
1009 | ||
1010 | run_request = tmp; | |
1011 | run_request[run_requests++] = req; | |
1012 | ||
1013 | return REQ_NONE + run_requests; | |
1014 | } | |
1015 | ||
1016 | static struct run_request * | |
1017 | get_run_request(enum request request) | |
1018 | { | |
1019 | if (request <= REQ_NONE) | |
1020 | return NULL; | |
1021 | return &run_request[request - REQ_NONE - 1]; | |
1022 | } | |
37157fa0 | 1023 | |
f655964f JF |
1024 | static void |
1025 | add_builtin_run_requests(void) | |
1026 | { | |
1027 | struct { | |
1028 | enum keymap keymap; | |
1029 | int key; | |
1030 | char *argv[1]; | |
1031 | } reqs[] = { | |
1032 | { KEYMAP_MAIN, 'C', { "git cherry-pick %(commit)" } }, | |
1033 | { KEYMAP_GENERIC, 'G', { "git gc" } }, | |
1034 | }; | |
1035 | int i; | |
1036 | ||
1037 | for (i = 0; i < ARRAY_SIZE(reqs); i++) { | |
1038 | enum request req; | |
1039 | ||
1040 | req = add_run_request(reqs[i].keymap, reqs[i].key, 1, reqs[i].argv); | |
1041 | if (req != REQ_NONE) | |
1042 | add_keybinding(reqs[i].keymap, req, reqs[i].key); | |
1043 | } | |
1044 | } | |
1045 | ||
37157fa0 | 1046 | /* |
1899507c JF |
1047 | * User config file handling. |
1048 | */ | |
1049 | ||
5dc795f2 JF |
1050 | static struct int_map color_map[] = { |
1051 | #define COLOR_MAP(name) { #name, STRING_SIZE(#name), COLOR_##name } | |
1052 | COLOR_MAP(DEFAULT), | |
1053 | COLOR_MAP(BLACK), | |
1054 | COLOR_MAP(BLUE), | |
1055 | COLOR_MAP(CYAN), | |
1056 | COLOR_MAP(GREEN), | |
1057 | COLOR_MAP(MAGENTA), | |
1058 | COLOR_MAP(RED), | |
1059 | COLOR_MAP(WHITE), | |
1060 | COLOR_MAP(YELLOW), | |
1061 | }; | |
1062 | ||
9256ab05 JF |
1063 | #define set_color(color, name) \ |
1064 | set_from_int_map(color_map, ARRAY_SIZE(color_map), color, name, strlen(name)) | |
660e09ad | 1065 | |
5dc795f2 JF |
1066 | static struct int_map attr_map[] = { |
1067 | #define ATTR_MAP(name) { #name, STRING_SIZE(#name), A_##name } | |
1068 | ATTR_MAP(NORMAL), | |
1069 | ATTR_MAP(BLINK), | |
1070 | ATTR_MAP(BOLD), | |
1071 | ATTR_MAP(DIM), | |
1072 | ATTR_MAP(REVERSE), | |
1073 | ATTR_MAP(STANDOUT), | |
1074 | ATTR_MAP(UNDERLINE), | |
1075 | }; | |
1076 | ||
9256ab05 JF |
1077 | #define set_attribute(attr, name) \ |
1078 | set_from_int_map(attr_map, ARRAY_SIZE(attr_map), attr, name, strlen(name)) | |
660e09ad | 1079 | |
3c3801c2 JF |
1080 | static int config_lineno; |
1081 | static bool config_errors; | |
1082 | static char *config_msg; | |
1083 | ||
5bfd96c7 | 1084 | /* Wants: object fgcolor bgcolor [attr] */ |
660e09ad | 1085 | static int |
5bfd96c7 | 1086 | option_color_command(int argc, char *argv[]) |
660e09ad | 1087 | { |
bca8fcaa JF |
1088 | struct line_info *info; |
1089 | ||
9256ab05 JF |
1090 | if (argc != 3 && argc != 4) { |
1091 | config_msg = "Wrong number of arguments given to color command"; | |
1092 | return ERR; | |
1093 | } | |
1094 | ||
1095 | info = get_line_info(argv[0], strlen(argv[0])); | |
bca8fcaa JF |
1096 | if (!info) { |
1097 | config_msg = "Unknown color name"; | |
1098 | return ERR; | |
1099 | } | |
660e09ad | 1100 | |
a3653368 JF |
1101 | if (set_color(&info->fg, argv[1]) == ERR || |
1102 | set_color(&info->bg, argv[2]) == ERR) { | |
bca8fcaa JF |
1103 | config_msg = "Unknown color"; |
1104 | return ERR; | |
1105 | } | |
660e09ad | 1106 | |
9256ab05 | 1107 | if (argc == 4 && set_attribute(&info->attr, argv[3]) == ERR) { |
bca8fcaa JF |
1108 | config_msg = "Unknown attribute"; |
1109 | return ERR; | |
660e09ad JF |
1110 | } |
1111 | ||
bca8fcaa JF |
1112 | return OK; |
1113 | } | |
1114 | ||
5bfd96c7 JF |
1115 | /* Wants: name = value */ |
1116 | static int | |
1117 | option_set_command(int argc, char *argv[]) | |
1118 | { | |
1119 | if (argc != 3) { | |
1120 | config_msg = "Wrong number of arguments given to set command"; | |
1121 | return ERR; | |
1122 | } | |
1123 | ||
1124 | if (strcmp(argv[1], "=")) { | |
1125 | config_msg = "No value assigned"; | |
1126 | return ERR; | |
1127 | } | |
1128 | ||
1129 | if (!strcmp(argv[0], "show-rev-graph")) { | |
1130 | opt_rev_graph = (!strcmp(argv[2], "1") || | |
1131 | !strcmp(argv[2], "true") || | |
1132 | !strcmp(argv[2], "yes")); | |
1133 | return OK; | |
1134 | } | |
1135 | ||
1136 | if (!strcmp(argv[0], "line-number-interval")) { | |
1137 | opt_num_interval = atoi(argv[2]); | |
1138 | return OK; | |
1139 | } | |
1140 | ||
1141 | if (!strcmp(argv[0], "tab-size")) { | |
1142 | opt_tab_size = atoi(argv[2]); | |
1143 | return OK; | |
1144 | } | |
1145 | ||
cb7267ee | 1146 | if (!strcmp(argv[0], "commit-encoding")) { |
3cc9a4d4 JF |
1147 | char *arg = argv[2]; |
1148 | int delimiter = *arg; | |
1149 | int i; | |
1150 | ||
1151 | switch (delimiter) { | |
1152 | case '"': | |
1153 | case '\'': | |
1154 | for (arg++, i = 0; arg[i]; i++) | |
1155 | if (arg[i] == delimiter) { | |
1156 | arg[i] = 0; | |
1157 | break; | |
1158 | } | |
1159 | default: | |
739e81de | 1160 | string_ncopy(opt_encoding, arg, strlen(arg)); |
3cc9a4d4 JF |
1161 | return OK; |
1162 | } | |
5bfd96c7 JF |
1163 | } |
1164 | ||
a3653368 | 1165 | config_msg = "Unknown variable name"; |
5bfd96c7 JF |
1166 | return ERR; |
1167 | } | |
1168 | ||
04e2b7b2 JF |
1169 | /* Wants: mode request key */ |
1170 | static int | |
1171 | option_bind_command(int argc, char *argv[]) | |
1172 | { | |
1173 | enum request request; | |
1174 | int keymap; | |
1175 | int key; | |
1176 | ||
9eb14b72 | 1177 | if (argc < 3) { |
04e2b7b2 JF |
1178 | config_msg = "Wrong number of arguments given to bind command"; |
1179 | return ERR; | |
1180 | } | |
1181 | ||
1182 | if (set_keymap(&keymap, argv[0]) == ERR) { | |
1183 | config_msg = "Unknown key map"; | |
1184 | return ERR; | |
1185 | } | |
1186 | ||
1187 | key = get_key_value(argv[1]); | |
1188 | if (key == ERR) { | |
1189 | config_msg = "Unknown key"; | |
1190 | return ERR; | |
1191 | } | |
1192 | ||
1193 | request = get_request(argv[2]); | |
f40385ae | 1194 | if (request == REQ_NONE) { |
f655964f JF |
1195 | const char *obsolete[] = { "cherry-pick" }; |
1196 | size_t namelen = strlen(argv[2]); | |
1197 | int i; | |
1198 | ||
1199 | for (i = 0; i < ARRAY_SIZE(obsolete); i++) { | |
1200 | if (namelen == strlen(obsolete[i]) && | |
1201 | !string_enum_compare(obsolete[i], argv[2], namelen)) { | |
1202 | config_msg = "Obsolete request name"; | |
1203 | return ERR; | |
1204 | } | |
1205 | } | |
1206 | } | |
9eb14b72 JF |
1207 | if (request == REQ_NONE && *argv[2]++ == '!') |
1208 | request = add_run_request(keymap, key, argc - 2, argv + 2); | |
d31a629d | 1209 | if (request == REQ_NONE) { |
04e2b7b2 JF |
1210 | config_msg = "Unknown request name"; |
1211 | return ERR; | |
1212 | } | |
1213 | ||
1214 | add_keybinding(keymap, request, key); | |
1215 | ||
1216 | return OK; | |
1217 | } | |
1218 | ||
bca8fcaa | 1219 | static int |
9256ab05 | 1220 | set_option(char *opt, char *value) |
bca8fcaa | 1221 | { |
9256ab05 JF |
1222 | char *argv[16]; |
1223 | int valuelen; | |
1224 | int argc = 0; | |
1225 | ||
1226 | /* Tokenize */ | |
1227 | while (argc < ARRAY_SIZE(argv) && (valuelen = strcspn(value, " \t"))) { | |
1228 | argv[argc++] = value; | |
9256ab05 | 1229 | value += valuelen; |
b86250da JF |
1230 | |
1231 | /* Nothing more to tokenize or last available token. */ | |
1232 | if (!*value || argc >= ARRAY_SIZE(argv)) | |
9256ab05 JF |
1233 | break; |
1234 | ||
1235 | *value++ = 0; | |
1236 | while (isspace(*value)) | |
1237 | value++; | |
1238 | } | |
1239 | ||
1240 | if (!strcmp(opt, "color")) | |
5bfd96c7 JF |
1241 | return option_color_command(argc, argv); |
1242 | ||
1243 | if (!strcmp(opt, "set")) | |
1244 | return option_set_command(argc, argv); | |
bca8fcaa | 1245 | |
04e2b7b2 JF |
1246 | if (!strcmp(opt, "bind")) |
1247 | return option_bind_command(argc, argv); | |
1248 | ||
a3653368 | 1249 | config_msg = "Unknown option command"; |
660e09ad JF |
1250 | return ERR; |
1251 | } | |
1252 | ||
1253 | static int | |
5699e0cf | 1254 | read_option(char *opt, size_t optlen, char *value, size_t valuelen) |
3c3801c2 | 1255 | { |
a3653368 JF |
1256 | int status = OK; |
1257 | ||
3c3801c2 JF |
1258 | config_lineno++; |
1259 | config_msg = "Internal error"; | |
1260 | ||
a3653368 JF |
1261 | /* Check for comment markers, since read_properties() will |
1262 | * only ensure opt and value are split at first " \t". */ | |
74f83ee6 | 1263 | optlen = strcspn(opt, "#"); |
a3653368 | 1264 | if (optlen == 0) |
3c3801c2 JF |
1265 | return OK; |
1266 | ||
a3653368 JF |
1267 | if (opt[optlen] != 0) { |
1268 | config_msg = "No option value"; | |
1269 | status = ERR; | |
1270 | ||
1271 | } else { | |
1272 | /* Look for comment endings in the value. */ | |
5699e0cf | 1273 | size_t len = strcspn(value, "#"); |
a3653368 JF |
1274 | |
1275 | if (len < valuelen) { | |
1276 | valuelen = len; | |
1277 | value[valuelen] = 0; | |
1278 | } | |
1279 | ||
1280 | status = set_option(opt, value); | |
3c3801c2 JF |
1281 | } |
1282 | ||
a3653368 JF |
1283 | if (status == ERR) { |
1284 | fprintf(stderr, "Error on line %d, near '%.*s': %s\n", | |
07c3971e | 1285 | config_lineno, (int) optlen, opt, config_msg); |
3c3801c2 JF |
1286 | config_errors = TRUE; |
1287 | } | |
1288 | ||
1289 | /* Always keep going if errors are encountered. */ | |
1290 | return OK; | |
1291 | } | |
1292 | ||
b6607e7e DV |
1293 | static void |
1294 | load_option_file(const char *path) | |
660e09ad | 1295 | { |
660e09ad JF |
1296 | FILE *file; |
1297 | ||
b6607e7e DV |
1298 | /* It's ok that the file doesn't exist. */ |
1299 | file = fopen(path, "r"); | |
1300 | if (!file) | |
1301 | return; | |
1302 | ||
3c3801c2 JF |
1303 | config_lineno = 0; |
1304 | config_errors = FALSE; | |
1305 | ||
b6607e7e DV |
1306 | if (read_properties(file, " \t", read_option) == ERR || |
1307 | config_errors == TRUE) | |
1308 | fprintf(stderr, "Errors while loading %s.\n", path); | |
1309 | } | |
f655964f | 1310 | |
b6607e7e DV |
1311 | static int |
1312 | load_options(void) | |
1313 | { | |
1314 | char *home = getenv("HOME"); | |
1315 | char *tigrc_user = getenv("TIGRC_USER"); | |
1316 | char *tigrc_system = getenv("TIGRC_SYSTEM"); | |
1317 | char buf[SIZEOF_STR]; | |
660e09ad | 1318 | |
b6607e7e | 1319 | add_builtin_run_requests(); |
660e09ad | 1320 | |
b6607e7e DV |
1321 | if (!tigrc_system) { |
1322 | if (!string_format(buf, "%s/tigrc", SYSCONFDIR)) | |
1323 | return ERR; | |
1324 | tigrc_system = buf; | |
1325 | } | |
1326 | load_option_file(tigrc_system); | |
1327 | ||
1328 | if (!tigrc_user) { | |
1329 | if (!home || !string_format(buf, "%s/.tigrc", home)) | |
1330 | return ERR; | |
1331 | tigrc_user = buf; | |
1332 | } | |
1333 | load_option_file(tigrc_user); | |
3c3801c2 JF |
1334 | |
1335 | return OK; | |
660e09ad JF |
1336 | } |
1337 | ||
1338 | ||
d839253b | 1339 | /* |
468876c9 | 1340 | * The viewer |
d839253b | 1341 | */ |
c2124ccd JF |
1342 | |
1343 | struct view; | |
fe7233c3 | 1344 | struct view_ops; |
c2124ccd JF |
1345 | |
1346 | /* The display array of active views and the index of the current view. */ | |
1347 | static struct view *display[2]; | |
1348 | static unsigned int current_view; | |
1349 | ||
ab4af23e JF |
1350 | /* Reading from the prompt? */ |
1351 | static bool input_mode = FALSE; | |
1352 | ||
33c4f9ea | 1353 | #define foreach_displayed_view(view, i) \ |
c2124ccd JF |
1354 | for (i = 0; i < ARRAY_SIZE(display) && (view = display[i]); i++) |
1355 | ||
9f41488f | 1356 | #define displayed_views() (display[1] != NULL ? 2 : 1) |
c2124ccd | 1357 | |
d839253b | 1358 | /* Current head and commit ID */ |
e733ee54 | 1359 | static char ref_blob[SIZEOF_REF] = ""; |
c2124ccd JF |
1360 | static char ref_commit[SIZEOF_REF] = "HEAD"; |
1361 | static char ref_head[SIZEOF_REF] = "HEAD"; | |
1362 | ||
b801d8b2 | 1363 | struct view { |
03a93dbb | 1364 | const char *name; /* View name */ |
4685845e TH |
1365 | const char *cmd_fmt; /* Default command line format */ |
1366 | const char *cmd_env; /* Command line set via environment */ | |
e733ee54 | 1367 | const char *id; /* Points to either of ref_{head,commit,blob} */ |
6b161b31 | 1368 | |
fe7233c3 | 1369 | struct view_ops *ops; /* View operations */ |
22f66b0a | 1370 | |
04e2b7b2 JF |
1371 | enum keymap keymap; /* What keymap does this view have */ |
1372 | ||
17482b11 | 1373 | char cmd[SIZEOF_STR]; /* Command buffer */ |
49f2b43f JF |
1374 | char ref[SIZEOF_REF]; /* Hovered commit reference */ |
1375 | char vid[SIZEOF_REF]; /* View ID. Set to id member when updating. */ | |
2e8488b4 | 1376 | |
8855ada4 JF |
1377 | int height, width; /* The width and height of the main window */ |
1378 | WINDOW *win; /* The main window */ | |
1379 | WINDOW *title; /* The title window living below the main window */ | |
b801d8b2 JF |
1380 | |
1381 | /* Navigation */ | |
1382 | unsigned long offset; /* Offset of the window top */ | |
1383 | unsigned long lineno; /* Current line number */ | |
1384 | ||
4af34daa JF |
1385 | /* Searching */ |
1386 | char grep[SIZEOF_STR]; /* Search string */ | |
b77b2cb8 | 1387 | regex_t *regex; /* Pre-compiled regex */ |
4af34daa | 1388 | |
f6da0b66 JF |
1389 | /* If non-NULL, points to the view that opened this view. If this view |
1390 | * is closed tig will switch back to the parent view. */ | |
1391 | struct view *parent; | |
1392 | ||
b801d8b2 JF |
1393 | /* Buffering */ |
1394 | unsigned long lines; /* Total number of lines */ | |
fe7233c3 | 1395 | struct line *line; /* Line index */ |
e2c01617 | 1396 | unsigned long line_size;/* Total number of allocated lines */ |
8855ada4 | 1397 | unsigned int digits; /* Number of digits in the lines member. */ |
b801d8b2 JF |
1398 | |
1399 | /* Loading */ | |
1400 | FILE *pipe; | |
2e8488b4 | 1401 | time_t start_time; |
b801d8b2 JF |
1402 | }; |
1403 | ||
fe7233c3 JF |
1404 | struct view_ops { |
1405 | /* What type of content being displayed. Used in the title bar. */ | |
1406 | const char *type; | |
f098944b JF |
1407 | /* Open and reads in all view content. */ |
1408 | bool (*open)(struct view *view); | |
fe7233c3 | 1409 | /* Read one line; updates view->line. */ |
701e4f5d | 1410 | bool (*read)(struct view *view, char *data); |
f098944b JF |
1411 | /* Draw one line; @lineno must be < view->height. */ |
1412 | bool (*draw)(struct view *view, struct line *line, unsigned int lineno, bool selected); | |
586c423d JF |
1413 | /* Depending on view handle a special requests. */ |
1414 | enum request (*request)(struct view *view, enum request request, struct line *line); | |
4af34daa JF |
1415 | /* Search for regex in a line. */ |
1416 | bool (*grep)(struct view *view, struct line *line); | |
d720de4b JF |
1417 | /* Select line */ |
1418 | void (*select)(struct view *view, struct line *line); | |
fe7233c3 JF |
1419 | }; |
1420 | ||
6b161b31 JF |
1421 | static struct view_ops pager_ops; |
1422 | static struct view_ops main_ops; | |
e733ee54 JF |
1423 | static struct view_ops tree_ops; |
1424 | static struct view_ops blob_ops; | |
f098944b | 1425 | static struct view_ops help_ops; |
173d76ea | 1426 | static struct view_ops status_ops; |
3e634113 | 1427 | static struct view_ops stage_ops; |
a28bcc22 | 1428 | |
04e2b7b2 JF |
1429 | #define VIEW_STR(name, cmd, env, ref, ops, map) \ |
1430 | { name, cmd, #env, ref, ops, map} | |
1ba2ae4b | 1431 | |
95d7ddcd | 1432 | #define VIEW_(id, name, ops, ref) \ |
04e2b7b2 | 1433 | VIEW_STR(name, TIG_##id##_CMD, TIG_##id##_CMD, ref, ops, KEYMAP_##id) |
1ba2ae4b | 1434 | |
c2124ccd | 1435 | |
b801d8b2 | 1436 | static struct view views[] = { |
173d76ea JF |
1437 | VIEW_(MAIN, "main", &main_ops, ref_head), |
1438 | VIEW_(DIFF, "diff", &pager_ops, ref_commit), | |
1439 | VIEW_(LOG, "log", &pager_ops, ref_head), | |
1440 | VIEW_(TREE, "tree", &tree_ops, ref_commit), | |
1441 | VIEW_(BLOB, "blob", &blob_ops, ref_blob), | |
b64c5b75 JF |
1442 | VIEW_(HELP, "help", &help_ops, ""), |
1443 | VIEW_(PAGER, "pager", &pager_ops, "stdin"), | |
173d76ea | 1444 | VIEW_(STATUS, "status", &status_ops, ""), |
3e634113 | 1445 | VIEW_(STAGE, "stage", &stage_ops, ""), |
b801d8b2 JF |
1446 | }; |
1447 | ||
a28bcc22 JF |
1448 | #define VIEW(req) (&views[(req) - REQ_OFFSET - 1]) |
1449 | ||
699ae55b JF |
1450 | #define foreach_view(view, i) \ |
1451 | for (i = 0; i < ARRAY_SIZE(views) && (view = &views[i]); i++) | |
1452 | ||
1453 | #define view_is_displayed(view) \ | |
1454 | (view == display[0] || view == display[1]) | |
4c6fabc2 | 1455 | |
fe7233c3 JF |
1456 | static bool |
1457 | draw_view_line(struct view *view, unsigned int lineno) | |
1458 | { | |
d720de4b | 1459 | struct line *line; |
5dcf8064 | 1460 | bool selected = (view->offset + lineno == view->lineno); |
4887d44e | 1461 | bool draw_ok; |
d720de4b | 1462 | |
699ae55b JF |
1463 | assert(view_is_displayed(view)); |
1464 | ||
fe7233c3 JF |
1465 | if (view->offset + lineno >= view->lines) |
1466 | return FALSE; | |
1467 | ||
d720de4b JF |
1468 | line = &view->line[view->offset + lineno]; |
1469 | ||
3c571d67 JF |
1470 | if (selected) { |
1471 | line->selected = TRUE; | |
d720de4b | 1472 | view->ops->select(view, line); |
3c571d67 JF |
1473 | } else if (line->selected) { |
1474 | line->selected = FALSE; | |
1475 | wmove(view->win, lineno, 0); | |
1476 | wclrtoeol(view->win); | |
1477 | } | |
d720de4b | 1478 | |
4887d44e JF |
1479 | scrollok(view->win, FALSE); |
1480 | draw_ok = view->ops->draw(view, line, lineno, selected); | |
1481 | scrollok(view->win, TRUE); | |
1482 | ||
1483 | return draw_ok; | |
fe7233c3 JF |
1484 | } |
1485 | ||
b801d8b2 | 1486 | static void |
82e78006 | 1487 | redraw_view_from(struct view *view, int lineno) |
b801d8b2 | 1488 | { |
82e78006 | 1489 | assert(0 <= lineno && lineno < view->height); |
b801d8b2 | 1490 | |
82e78006 | 1491 | for (; lineno < view->height; lineno++) { |
fe7233c3 | 1492 | if (!draw_view_line(view, lineno)) |
fd85fef1 | 1493 | break; |
b801d8b2 JF |
1494 | } |
1495 | ||
1496 | redrawwin(view->win); | |
ab4af23e JF |
1497 | if (input_mode) |
1498 | wnoutrefresh(view->win); | |
1499 | else | |
1500 | wrefresh(view->win); | |
b801d8b2 JF |
1501 | } |
1502 | ||
b76c2afc | 1503 | static void |
82e78006 JF |
1504 | redraw_view(struct view *view) |
1505 | { | |
1506 | wclear(view->win); | |
1507 | redraw_view_from(view, 0); | |
1508 | } | |
1509 | ||
c2124ccd | 1510 | |
6b161b31 | 1511 | static void |
81030ec8 JF |
1512 | update_view_title(struct view *view) |
1513 | { | |
3c112a88 | 1514 | char buf[SIZEOF_STR]; |
71d1c7db JF |
1515 | char state[SIZEOF_STR]; |
1516 | size_t bufpos = 0, statelen = 0; | |
81030ec8 | 1517 | |
3c112a88 | 1518 | assert(view_is_displayed(view)); |
81030ec8 | 1519 | |
249016a6 | 1520 | if (view != VIEW(REQ_VIEW_STATUS) && (view->lines || view->pipe)) { |
6d9c07af | 1521 | unsigned int view_lines = view->offset + view->height; |
c19f8017 | 1522 | unsigned int lines = view->lines |
6d9c07af | 1523 | ? MIN(view_lines, view->lines) * 100 / view->lines |
c19f8017 JF |
1524 | : 0; |
1525 | ||
71d1c7db | 1526 | string_format_from(state, &statelen, "- %s %d of %d (%d%%)", |
3c112a88 JF |
1527 | view->ops->type, |
1528 | view->lineno + 1, | |
1529 | view->lines, | |
1530 | lines); | |
81030ec8 | 1531 | |
5becf244 JF |
1532 | if (view->pipe) { |
1533 | time_t secs = time(NULL) - view->start_time; | |
f97f4012 | 1534 | |
5becf244 JF |
1535 | /* Three git seconds are a long time ... */ |
1536 | if (secs > 2) | |
71d1c7db | 1537 | string_format_from(state, &statelen, " %lds", secs); |
5becf244 | 1538 | } |
81030ec8 JF |
1539 | } |
1540 | ||
71d1c7db JF |
1541 | string_format_from(buf, &bufpos, "[%s]", view->name); |
1542 | if (*view->ref && bufpos < view->width) { | |
1543 | size_t refsize = strlen(view->ref); | |
1544 | size_t minsize = bufpos + 1 + /* abbrev= */ 7 + 1 + statelen; | |
1545 | ||
1546 | if (minsize < view->width) | |
1547 | refsize = view->width - minsize + 7; | |
d1858deb | 1548 | string_format_from(buf, &bufpos, " %.*s", (int) refsize, view->ref); |
71d1c7db | 1549 | } |
f97f4012 | 1550 | |
71d1c7db JF |
1551 | if (statelen && bufpos < view->width) { |
1552 | string_format_from(buf, &bufpos, " %s", state); | |
f97f4012 JF |
1553 | } |
1554 | ||
3c112a88 JF |
1555 | if (view == display[current_view]) |
1556 | wbkgdset(view->title, get_line_attr(LINE_TITLE_FOCUS)); | |
1557 | else | |
1558 | wbkgdset(view->title, get_line_attr(LINE_TITLE_BLUR)); | |
1559 | ||
3c112a88 | 1560 | mvwaddnstr(view->title, 0, 0, buf, bufpos); |
390a8262 | 1561 | wclrtoeol(view->title); |
976447f8 | 1562 | wmove(view->title, 0, view->width - 1); |
ab4af23e JF |
1563 | |
1564 | if (input_mode) | |
1565 | wnoutrefresh(view->title); | |
1566 | else | |
1567 | wrefresh(view->title); | |
81030ec8 JF |
1568 | } |
1569 | ||
1570 | static void | |
6b161b31 | 1571 | resize_display(void) |
b76c2afc | 1572 | { |
03a93dbb | 1573 | int offset, i; |
6b161b31 JF |
1574 | struct view *base = display[0]; |
1575 | struct view *view = display[1] ? display[1] : display[0]; | |
b76c2afc | 1576 | |
6b161b31 | 1577 | /* Setup window dimensions */ |
b76c2afc | 1578 | |
03a93dbb | 1579 | getmaxyx(stdscr, base->height, base->width); |
b76c2afc | 1580 | |
6b161b31 | 1581 | /* Make room for the status window. */ |
03a93dbb | 1582 | base->height -= 1; |
6b161b31 JF |
1583 | |
1584 | if (view != base) { | |
03a93dbb JF |
1585 | /* Horizontal split. */ |
1586 | view->width = base->width; | |
6b161b31 JF |
1587 | view->height = SCALE_SPLIT_VIEW(base->height); |
1588 | base->height -= view->height; | |
1589 | ||
1590 | /* Make room for the title bar. */ | |
1591 | view->height -= 1; | |
1592 | } | |
1593 | ||
1594 | /* Make room for the title bar. */ | |
1595 | base->height -= 1; | |
1596 | ||
1597 | offset = 0; | |
1598 | ||
33c4f9ea | 1599 | foreach_displayed_view (view, i) { |
b76c2afc | 1600 | if (!view->win) { |
c19f8017 | 1601 | view->win = newwin(view->height, 0, offset, 0); |
6b161b31 JF |
1602 | if (!view->win) |
1603 | die("Failed to create %s view", view->name); | |
1604 | ||
1605 | scrollok(view->win, TRUE); | |
1606 | ||
1607 | view->title = newwin(1, 0, offset + view->height, 0); | |
1608 | if (!view->title) | |
1609 | die("Failed to create title window"); | |
1610 | ||
1611 | } else { | |
c19f8017 | 1612 | wresize(view->win, view->height, view->width); |
6b161b31 JF |
1613 | mvwin(view->win, offset, 0); |
1614 | mvwin(view->title, offset + view->height, 0); | |
a28bcc22 | 1615 | } |
a28bcc22 | 1616 | |
6b161b31 | 1617 | offset += view->height + 1; |
b76c2afc | 1618 | } |
6b161b31 | 1619 | } |
b76c2afc | 1620 | |
6b161b31 | 1621 | static void |
20bb5e18 JF |
1622 | redraw_display(void) |
1623 | { | |
1624 | struct view *view; | |
1625 | int i; | |
1626 | ||
33c4f9ea | 1627 | foreach_displayed_view (view, i) { |
20bb5e18 JF |
1628 | redraw_view(view); |
1629 | update_view_title(view); | |
1630 | } | |
1631 | } | |
1632 | ||
85af6284 | 1633 | static void |
2bee3bde | 1634 | update_display_cursor(struct view *view) |
85af6284 | 1635 | { |
85af6284 JF |
1636 | /* Move the cursor to the right-most column of the cursor line. |
1637 | * | |
1638 | * XXX: This could turn out to be a bit expensive, but it ensures that | |
1639 | * the cursor does not jump around. */ | |
1640 | if (view->lines) { | |
1641 | wmove(view->win, view->lineno - view->offset, view->width - 1); | |
1642 | wrefresh(view->win); | |
1643 | } | |
1644 | } | |
20bb5e18 | 1645 | |
2e8488b4 JF |
1646 | /* |
1647 | * Navigation | |
1648 | */ | |
1649 | ||
4a2909a7 | 1650 | /* Scrolling backend */ |
b801d8b2 | 1651 | static void |
8c317212 | 1652 | do_scroll_view(struct view *view, int lines) |
b801d8b2 | 1653 | { |
a0087dd5 JF |
1654 | bool redraw_current_line = FALSE; |
1655 | ||
fd85fef1 JF |
1656 | /* The rendering expects the new offset. */ |
1657 | view->offset += lines; | |
1658 | ||
1659 | assert(0 <= view->offset && view->offset < view->lines); | |
1660 | assert(lines); | |
b801d8b2 | 1661 | |
a0087dd5 JF |
1662 | /* Move current line into the view. */ |
1663 | if (view->lineno < view->offset) { | |
1664 | view->lineno = view->offset; | |
1665 | redraw_current_line = TRUE; | |
1666 | } else if (view->lineno >= view->offset + view->height) { | |
1667 | view->lineno = view->offset + view->height - 1; | |
1668 | redraw_current_line = TRUE; | |
1669 | } | |
1670 | ||
1671 | assert(view->offset <= view->lineno && view->lineno < view->lines); | |
1672 | ||
82e78006 | 1673 | /* Redraw the whole screen if scrolling is pointless. */ |
4c6fabc2 | 1674 | if (view->height < ABS(lines)) { |
b76c2afc JF |
1675 | redraw_view(view); |
1676 | ||
1677 | } else { | |
22f66b0a | 1678 | int line = lines > 0 ? view->height - lines : 0; |
82e78006 | 1679 | int end = line + ABS(lines); |
fd85fef1 JF |
1680 | |
1681 | wscrl(view->win, lines); | |
1682 | ||
22f66b0a | 1683 | for (; line < end; line++) { |
fe7233c3 | 1684 | if (!draw_view_line(view, line)) |
fd85fef1 JF |
1685 | break; |
1686 | } | |
fd85fef1 | 1687 | |
a0087dd5 JF |
1688 | if (redraw_current_line) |
1689 | draw_view_line(view, view->lineno - view->offset); | |
fd85fef1 JF |
1690 | } |
1691 | ||
fd85fef1 JF |
1692 | redrawwin(view->win); |
1693 | wrefresh(view->win); | |
9d3f5834 | 1694 | report(""); |
fd85fef1 | 1695 | } |
78c70acd | 1696 | |
4a2909a7 | 1697 | /* Scroll frontend */ |
fd85fef1 | 1698 | static void |
6b161b31 | 1699 | scroll_view(struct view *view, enum request request) |
fd85fef1 JF |
1700 | { |
1701 | int lines = 1; | |
b801d8b2 | 1702 | |
8c317212 JF |
1703 | assert(view_is_displayed(view)); |
1704 | ||
b801d8b2 | 1705 | switch (request) { |
4a2909a7 | 1706 | case REQ_SCROLL_PAGE_DOWN: |
fd85fef1 | 1707 | lines = view->height; |
4a2909a7 | 1708 | case REQ_SCROLL_LINE_DOWN: |
b801d8b2 | 1709 | if (view->offset + lines > view->lines) |
bde3653a | 1710 | lines = view->lines - view->offset; |
b801d8b2 | 1711 | |
fd85fef1 | 1712 | if (lines == 0 || view->offset + view->height >= view->lines) { |
eb98559e | 1713 | report("Cannot scroll beyond the last line"); |
b801d8b2 JF |
1714 | return; |
1715 | } | |
1716 | break; | |
1717 | ||
4a2909a7 | 1718 | case REQ_SCROLL_PAGE_UP: |
fd85fef1 | 1719 | lines = view->height; |
4a2909a7 | 1720 | case REQ_SCROLL_LINE_UP: |
b801d8b2 JF |
1721 | if (lines > view->offset) |
1722 | lines = view->offset; | |
1723 | ||
1724 | if (lines == 0) { | |
eb98559e | 1725 | report("Cannot scroll beyond the first line"); |
b801d8b2 JF |
1726 | return; |
1727 | } | |
1728 | ||
fd85fef1 | 1729 | lines = -lines; |
b801d8b2 | 1730 | break; |
03a93dbb | 1731 | |
6b161b31 JF |
1732 | default: |
1733 | die("request %d not handled in switch", request); | |
b801d8b2 JF |
1734 | } |
1735 | ||
8c317212 | 1736 | do_scroll_view(view, lines); |
fd85fef1 | 1737 | } |
b801d8b2 | 1738 | |
4a2909a7 | 1739 | /* Cursor moving */ |
fd85fef1 | 1740 | static void |
8522ecc7 | 1741 | move_view(struct view *view, enum request request) |
fd85fef1 | 1742 | { |
dfaa6c81 | 1743 | int scroll_steps = 0; |
fd85fef1 | 1744 | int steps; |
b801d8b2 | 1745 | |
fd85fef1 | 1746 | switch (request) { |
4a2909a7 | 1747 | case REQ_MOVE_FIRST_LINE: |
78c70acd JF |
1748 | steps = -view->lineno; |
1749 | break; | |
1750 | ||
4a2909a7 | 1751 | case REQ_MOVE_LAST_LINE: |
78c70acd JF |
1752 | steps = view->lines - view->lineno - 1; |
1753 | break; | |
1754 | ||
4a2909a7 | 1755 | case REQ_MOVE_PAGE_UP: |
78c70acd JF |
1756 | steps = view->height > view->lineno |
1757 | ? -view->lineno : -view->height; | |
1758 | break; | |
1759 | ||
4a2909a7 | 1760 | case REQ_MOVE_PAGE_DOWN: |
78c70acd JF |
1761 | steps = view->lineno + view->height >= view->lines |
1762 | ? view->lines - view->lineno - 1 : view->height; | |
1763 | break; | |
1764 | ||
4a2909a7 | 1765 | case REQ_MOVE_UP: |
fd85fef1 JF |
1766 | steps = -1; |
1767 | break; | |
b801d8b2 | 1768 | |
4a2909a7 | 1769 | case REQ_MOVE_DOWN: |
fd85fef1 JF |
1770 | steps = 1; |
1771 | break; | |
6b161b31 JF |
1772 | |
1773 | default: | |
1774 | die("request %d not handled in switch", request); | |
78c70acd | 1775 | } |
b801d8b2 | 1776 | |
4c6fabc2 | 1777 | if (steps <= 0 && view->lineno == 0) { |
eb98559e | 1778 | report("Cannot move beyond the first line"); |
78c70acd | 1779 | return; |
b801d8b2 | 1780 | |
6908bdbd | 1781 | } else if (steps >= 0 && view->lineno + 1 >= view->lines) { |
eb98559e | 1782 | report("Cannot move beyond the last line"); |
78c70acd | 1783 | return; |
fd85fef1 JF |
1784 | } |
1785 | ||
4c6fabc2 | 1786 | /* Move the current line */ |
fd85fef1 | 1787 | view->lineno += steps; |
4c6fabc2 JF |
1788 | assert(0 <= view->lineno && view->lineno < view->lines); |
1789 | ||
4c6fabc2 | 1790 | /* Check whether the view needs to be scrolled */ |
fd85fef1 JF |
1791 | if (view->lineno < view->offset || |
1792 | view->lineno >= view->offset + view->height) { | |
dfaa6c81 | 1793 | scroll_steps = steps; |
fd85fef1 | 1794 | if (steps < 0 && -steps > view->offset) { |
dfaa6c81 | 1795 | scroll_steps = -view->offset; |
b76c2afc JF |
1796 | |
1797 | } else if (steps > 0) { | |
1798 | if (view->lineno == view->lines - 1 && | |
1799 | view->lines > view->height) { | |
dfaa6c81 JF |
1800 | scroll_steps = view->lines - view->offset - 1; |
1801 | if (scroll_steps >= view->height) | |
1802 | scroll_steps -= view->height - 1; | |
b76c2afc | 1803 | } |
b801d8b2 | 1804 | } |
8522ecc7 JF |
1805 | } |
1806 | ||
1807 | if (!view_is_displayed(view)) { | |
a3965365 JF |
1808 | view->offset += scroll_steps; |
1809 | assert(0 <= view->offset && view->offset < view->lines); | |
8522ecc7 JF |
1810 | view->ops->select(view, &view->line[view->lineno]); |
1811 | return; | |
1812 | } | |
1813 | ||
1814 | /* Repaint the old "current" line if we be scrolling */ | |
1815 | if (ABS(steps) < view->height) | |
1816 | draw_view_line(view, view->lineno - steps - view->offset); | |
1817 | ||
dfaa6c81 JF |
1818 | if (scroll_steps) { |
1819 | do_scroll_view(view, scroll_steps); | |
fd85fef1 | 1820 | return; |
b801d8b2 JF |
1821 | } |
1822 | ||
4c6fabc2 | 1823 | /* Draw the current line */ |
fe7233c3 | 1824 | draw_view_line(view, view->lineno - view->offset); |
fd85fef1 | 1825 | |
b801d8b2 JF |
1826 | redrawwin(view->win); |
1827 | wrefresh(view->win); | |
9d3f5834 | 1828 | report(""); |
b801d8b2 JF |
1829 | } |
1830 | ||
b801d8b2 | 1831 | |
2e8488b4 | 1832 | /* |
4af34daa JF |
1833 | * Searching |
1834 | */ | |
1835 | ||
c02d8fce | 1836 | static void search_view(struct view *view, enum request request); |
4af34daa JF |
1837 | |
1838 | static bool | |
1839 | find_next_line(struct view *view, unsigned long lineno, struct line *line) | |
1840 | { | |
699ae55b JF |
1841 | assert(view_is_displayed(view)); |
1842 | ||
4af34daa JF |
1843 | if (!view->ops->grep(view, line)) |
1844 | return FALSE; | |
1845 | ||
1846 | if (lineno - view->offset >= view->height) { | |
1847 | view->offset = lineno; | |
1848 | view->lineno = lineno; | |
1849 | redraw_view(view); | |
1850 | ||
1851 | } else { | |
1852 | unsigned long old_lineno = view->lineno - view->offset; | |
1853 | ||
1854 | view->lineno = lineno; | |
4af34daa JF |
1855 | draw_view_line(view, old_lineno); |
1856 | ||
1857 | draw_view_line(view, view->lineno - view->offset); | |
1858 | redrawwin(view->win); | |
1859 | wrefresh(view->win); | |
1860 | } | |
1861 | ||
1862 | report("Line %ld matches '%s'", lineno + 1, view->grep); | |
1863 | return TRUE; | |
1864 | } | |
1865 | ||
1866 | static void | |
1867 | find_next(struct view *view, enum request request) | |
1868 | { | |
1869 | unsigned long lineno = view->lineno; | |
1870 | int direction; | |
1871 | ||
1872 | if (!*view->grep) { | |
1873 | if (!*opt_search) | |
1874 | report("No previous search"); | |
1875 | else | |
c02d8fce | 1876 | search_view(view, request); |
4af34daa JF |
1877 | return; |
1878 | } | |
1879 | ||
1880 | switch (request) { | |
1881 | case REQ_SEARCH: | |
1882 | case REQ_FIND_NEXT: | |
1883 | direction = 1; | |
1884 | break; | |
1885 | ||
1886 | case REQ_SEARCH_BACK: | |
1887 | case REQ_FIND_PREV: | |
1888 | direction = -1; | |
1889 | break; | |
1890 | ||
1891 | default: | |
1892 | return; | |
1893 | } | |
1894 | ||
1895 | if (request == REQ_FIND_NEXT || request == REQ_FIND_PREV) | |
1896 | lineno += direction; | |
1897 | ||
1898 | /* Note, lineno is unsigned long so will wrap around in which case it | |
1899 | * will become bigger than view->lines. */ | |
1900 | for (; lineno < view->lines; lineno += direction) { | |
1901 | struct line *line = &view->line[lineno]; | |
1902 | ||
1903 | if (find_next_line(view, lineno, line)) | |
1904 | return; | |
1905 | } | |
1906 | ||
1907 | report("No match found for '%s'", view->grep); | |
1908 | } | |
1909 | ||
1910 | static void | |
c02d8fce | 1911 | search_view(struct view *view, enum request request) |
4af34daa JF |
1912 | { |
1913 | int regex_err; | |
1914 | ||
b77b2cb8 JF |
1915 | if (view->regex) { |
1916 | regfree(view->regex); | |
4af34daa | 1917 | *view->grep = 0; |
b77b2cb8 JF |
1918 | } else { |
1919 | view->regex = calloc(1, sizeof(*view->regex)); | |
1920 | if (!view->regex) | |
1921 | return; | |
4af34daa JF |
1922 | } |
1923 | ||
c02d8fce | 1924 | regex_err = regcomp(view->regex, opt_search, REG_EXTENDED); |
4af34daa JF |
1925 | if (regex_err != 0) { |
1926 | char buf[SIZEOF_STR] = "unknown error"; | |
1927 | ||
b77b2cb8 | 1928 | regerror(regex_err, view->regex, buf, sizeof(buf)); |
e9cacd58 | 1929 | report("Search failed: %s", buf); |
4af34daa JF |
1930 | return; |
1931 | } | |
1932 | ||
c02d8fce | 1933 | string_copy(view->grep, opt_search); |
4af34daa JF |
1934 | |
1935 | find_next(view, request); | |
1936 | } | |
1937 | ||
1938 | /* | |
2e8488b4 JF |
1939 | * Incremental updating |
1940 | */ | |
b801d8b2 | 1941 | |
199d1288 JF |
1942 | static void |
1943 | end_update(struct view *view) | |
1944 | { | |
1945 | if (!view->pipe) | |
1946 | return; | |
1947 | set_nonblocking_input(FALSE); | |
1948 | if (view->pipe == stdin) | |
1949 | fclose(view->pipe); | |
1950 | else | |
1951 | pclose(view->pipe); | |
1952 | view->pipe = NULL; | |
1953 | } | |
1954 | ||
03a93dbb | 1955 | static bool |
b801d8b2 JF |
1956 | begin_update(struct view *view) |
1957 | { | |
199d1288 JF |
1958 | if (view->pipe) |
1959 | end_update(view); | |
1960 | ||
03a93dbb JF |
1961 | if (opt_cmd[0]) { |
1962 | string_copy(view->cmd, opt_cmd); | |
1963 | opt_cmd[0] = 0; | |
035ba11f JF |
1964 | /* When running random commands, initially show the |
1965 | * command in the title. However, it maybe later be | |
1966 | * overwritten if a commit line is selected. */ | |
809a9f48 JF |
1967 | if (view == VIEW(REQ_VIEW_PAGER)) |
1968 | string_copy(view->ref, view->cmd); | |
1969 | else | |
1970 | view->ref[0] = 0; | |
e733ee54 JF |
1971 | |
1972 | } else if (view == VIEW(REQ_VIEW_TREE)) { | |
1973 | const char *format = view->cmd_env ? view->cmd_env : view->cmd_fmt; | |
f0f114ac | 1974 | char path[SIZEOF_STR]; |
e733ee54 JF |
1975 | |
1976 | if (strcmp(view->vid, view->id)) | |
f0f114ac JF |
1977 | opt_path[0] = path[0] = 0; |
1978 | else if (sq_quote(path, 0, opt_path) >= sizeof(path)) | |
1979 | return FALSE; | |
e733ee54 | 1980 | |
739e81de | 1981 | if (!string_format(view->cmd, format, view->id, path)) |
e733ee54 JF |
1982 | return FALSE; |
1983 | ||
03a93dbb | 1984 | } else { |
4685845e | 1985 | const char *format = view->cmd_env ? view->cmd_env : view->cmd_fmt; |
739e81de | 1986 | const char *id = view->id; |
1ba2ae4b | 1987 | |
cc2d1364 | 1988 | if (!string_format(view->cmd, format, id, id, id, id, id)) |
03a93dbb | 1989 | return FALSE; |
035ba11f JF |
1990 | |
1991 | /* Put the current ref_* value to the view title ref | |
1992 | * member. This is needed by the blob view. Most other | |
1993 | * views sets it automatically after loading because the | |
1994 | * first line is a commit line. */ | |
739e81de | 1995 | string_copy_rev(view->ref, view->id); |
03a93dbb | 1996 | } |
b801d8b2 | 1997 | |
6908bdbd JF |
1998 | /* Special case for the pager view. */ |
1999 | if (opt_pipe) { | |
2000 | view->pipe = opt_pipe; | |
2001 | opt_pipe = NULL; | |
2002 | } else { | |
2003 | view->pipe = popen(view->cmd, "r"); | |
2004 | } | |
2005 | ||
2e8488b4 JF |
2006 | if (!view->pipe) |
2007 | return FALSE; | |
b801d8b2 | 2008 | |
6b161b31 | 2009 | set_nonblocking_input(TRUE); |
b801d8b2 JF |
2010 | |
2011 | view->offset = 0; | |
2012 | view->lines = 0; | |
2013 | view->lineno = 0; | |
739e81de | 2014 | string_copy_rev(view->vid, view->id); |
b801d8b2 | 2015 | |
2e8488b4 JF |
2016 | if (view->line) { |
2017 | int i; | |
2018 | ||
2019 | for (i = 0; i < view->lines; i++) | |
fe7233c3 JF |
2020 | if (view->line[i].data) |
2021 | free(view->line[i].data); | |
2e8488b4 JF |
2022 | |
2023 | free(view->line); | |
2024 | view->line = NULL; | |
2025 | } | |
2026 | ||
2027 | view->start_time = time(NULL); | |
2028 | ||
b801d8b2 JF |
2029 | return TRUE; |
2030 | } | |
2031 | ||
e2c01617 JF |
2032 | static struct line * |
2033 | realloc_lines(struct view *view, size_t line_size) | |
2034 | { | |
2035 | struct line *tmp = realloc(view->line, sizeof(*view->line) * line_size); | |
2036 | ||
2037 | if (!tmp) | |
2038 | return NULL; | |
2039 | ||
2040 | view->line = tmp; | |
2041 | view->line_size = line_size; | |
2042 | return view->line; | |
2043 | } | |
2044 | ||
03a93dbb | 2045 | static bool |
b801d8b2 JF |
2046 | update_view(struct view *view) |
2047 | { | |
6b68fd24 JF |
2048 | char in_buffer[BUFSIZ]; |
2049 | char out_buffer[BUFSIZ * 2]; | |
b801d8b2 | 2050 | char *line; |
82e78006 JF |
2051 | /* The number of lines to read. If too low it will cause too much |
2052 | * redrawing (and possible flickering), if too high responsiveness | |
2053 | * will suffer. */ | |
8855ada4 | 2054 | unsigned long lines = view->height; |
82e78006 | 2055 | int redraw_from = -1; |
b801d8b2 JF |
2056 | |
2057 | if (!view->pipe) | |
2058 | return TRUE; | |
2059 | ||
82e78006 JF |
2060 | /* Only redraw if lines are visible. */ |
2061 | if (view->offset + view->height >= view->lines) | |
2062 | redraw_from = view->lines - view->offset; | |
b801d8b2 | 2063 | |
699ae55b | 2064 | /* FIXME: This is probably not perfect for backgrounded views. */ |
e2c01617 | 2065 | if (!realloc_lines(view, view->lines + lines)) |
b801d8b2 JF |
2066 | goto alloc_error; |
2067 | ||
6b68fd24 JF |
2068 | while ((line = fgets(in_buffer, sizeof(in_buffer), view->pipe))) { |
2069 | size_t linelen = strlen(line); | |
b801d8b2 | 2070 | |
b801d8b2 JF |
2071 | if (linelen) |
2072 | line[linelen - 1] = 0; | |
2073 | ||
6b68fd24 | 2074 | if (opt_iconv != ICONV_NONE) { |
e47afdf2 | 2075 | ICONV_CONST char *inbuf = line; |
6b68fd24 JF |
2076 | size_t inlen = linelen; |
2077 | ||
2078 | char *outbuf = out_buffer; | |
2079 | size_t outlen = sizeof(out_buffer); | |
2080 | ||
2081 | size_t ret; | |
2082 | ||
7361622d | 2083 | ret = iconv(opt_iconv, &inbuf, &inlen, &outbuf, &outlen); |
6b68fd24 JF |
2084 | if (ret != (size_t) -1) { |
2085 | line = out_buffer; | |
2086 | linelen = strlen(out_buffer); | |
2087 | } | |
2088 | } | |
2089 | ||
701e4f5d | 2090 | if (!view->ops->read(view, line)) |
b801d8b2 | 2091 | goto alloc_error; |
fd85fef1 JF |
2092 | |
2093 | if (lines-- == 1) | |
2094 | break; | |
b801d8b2 JF |
2095 | } |
2096 | ||
8855ada4 JF |
2097 | { |
2098 | int digits; | |
2099 | ||
2100 | lines = view->lines; | |
2101 | for (digits = 0; lines; digits++) | |
2102 | lines /= 10; | |
2103 | ||
2104 | /* Keep the displayed view in sync with line number scaling. */ | |
2105 | if (digits != view->digits) { | |
2106 | view->digits = digits; | |
2107 | redraw_from = 0; | |
2108 | } | |
2109 | } | |
2110 | ||
699ae55b JF |
2111 | if (!view_is_displayed(view)) |
2112 | goto check_pipe; | |
2113 | ||
e733ee54 JF |
2114 | if (view == VIEW(REQ_VIEW_TREE)) { |
2115 | /* Clear the view and redraw everything since the tree sorting | |
2116 | * might have rearranged things. */ | |
2117 | redraw_view(view); | |
2118 | ||
2119 | } else if (redraw_from >= 0) { | |
82e78006 | 2120 | /* If this is an incremental update, redraw the previous line |
a28bcc22 JF |
2121 | * since for commits some members could have changed when |
2122 | * loading the main view. */ | |
82e78006 JF |
2123 | if (redraw_from > 0) |
2124 | redraw_from--; | |
2125 | ||
9eded379 JF |
2126 | /* Since revision graph visualization requires knowledge |
2127 | * about the parent commit, it causes a further one-off | |
2128 | * needed to be redrawn for incremental updates. */ | |
2129 | if (redraw_from > 0 && opt_rev_graph) | |
2130 | redraw_from--; | |
2131 | ||
82e78006 JF |
2132 | /* Incrementally draw avoids flickering. */ |
2133 | redraw_view_from(view, redraw_from); | |
4c6fabc2 | 2134 | } |
b801d8b2 | 2135 | |
eb98559e JF |
2136 | /* Update the title _after_ the redraw so that if the redraw picks up a |
2137 | * commit reference in view->ref it'll be available here. */ | |
2138 | update_view_title(view); | |
2139 | ||
699ae55b | 2140 | check_pipe: |
b801d8b2 | 2141 | if (ferror(view->pipe)) { |
03a93dbb | 2142 | report("Failed to read: %s", strerror(errno)); |
b801d8b2 JF |
2143 | goto end; |
2144 | ||
2145 | } else if (feof(view->pipe)) { | |
f97f4012 | 2146 | report(""); |
b801d8b2 JF |
2147 | goto end; |
2148 | } | |
2149 | ||
2150 | return TRUE; | |
2151 | ||
2152 | alloc_error: | |
2e8488b4 | 2153 | report("Allocation failure"); |
b801d8b2 JF |
2154 | |
2155 | end: | |
be04d936 | 2156 | view->ops->read(view, NULL); |
b801d8b2 JF |
2157 | end_update(view); |
2158 | return FALSE; | |
2159 | } | |
2160 | ||
0a0d8910 | 2161 | static struct line * |
e314c36d | 2162 | add_line_data(struct view *view, void *data, enum line_type type) |
0a0d8910 | 2163 | { |
e314c36d | 2164 | struct line *line = &view->line[view->lines++]; |
0a0d8910 | 2165 | |
e314c36d | 2166 | memset(line, 0, sizeof(*line)); |
0a0d8910 | 2167 | line->type = type; |
e314c36d | 2168 | line->data = data; |
0a0d8910 JF |
2169 | |
2170 | return line; | |
2171 | } | |
2172 | ||
e314c36d JF |
2173 | static struct line * |
2174 | add_line_text(struct view *view, char *data, enum line_type type) | |
2175 | { | |
2176 | if (data) | |
2177 | data = strdup(data); | |
2178 | ||
2179 | return data ? add_line_data(view, data, type) : NULL; | |
2180 | } | |
2181 | ||
79d445ca | 2182 | |
e10154d5 JF |
2183 | /* |
2184 | * View opening | |
2185 | */ | |
2186 | ||
49f2b43f JF |
2187 | enum open_flags { |
2188 | OPEN_DEFAULT = 0, /* Use default view switching. */ | |
2189 | OPEN_SPLIT = 1, /* Split current view. */ | |
2190 | OPEN_BACKGROUNDED = 2, /* Backgrounded. */ | |
2191 | OPEN_RELOAD = 4, /* Reload view even if it is the current. */ | |
2192 | }; | |
2193 | ||
6b161b31 | 2194 | static void |
49f2b43f | 2195 | open_view(struct view *prev, enum request request, enum open_flags flags) |
b801d8b2 | 2196 | { |
49f2b43f JF |
2197 | bool backgrounded = !!(flags & OPEN_BACKGROUNDED); |
2198 | bool split = !!(flags & OPEN_SPLIT); | |
2199 | bool reload = !!(flags & OPEN_RELOAD); | |
a28bcc22 | 2200 | struct view *view = VIEW(request); |
9f41488f | 2201 | int nviews = displayed_views(); |
6e950a52 | 2202 | struct view *base_view = display[0]; |
b801d8b2 | 2203 | |
49f2b43f | 2204 | if (view == prev && nviews == 1 && !reload) { |
6b161b31 JF |
2205 | report("Already in %s view", view->name); |
2206 | return; | |
2207 | } | |
b801d8b2 | 2208 | |
f098944b JF |
2209 | if (view->ops->open) { |
2210 | if (!view->ops->open(view)) { | |
2211 | report("Failed to load %s view", view->name); | |
2212 | return; | |
2213 | } | |
2509b112 JF |
2214 | |
2215 | } else if ((reload || strcmp(view->vid, view->id)) && | |
2216 | !begin_update(view)) { | |
6b161b31 JF |
2217 | report("Failed to load %s view", view->name); |
2218 | return; | |
2219 | } | |
a28bcc22 | 2220 | |
6b161b31 | 2221 | if (split) { |
8d741c06 | 2222 | display[1] = view; |
6b161b31 | 2223 | if (!backgrounded) |
8d741c06 | 2224 | current_view = 1; |
6b161b31 JF |
2225 | } else { |
2226 | /* Maximize the current view. */ | |
2227 | memset(display, 0, sizeof(display)); | |
2228 | current_view = 0; | |
2229 | display[current_view] = view; | |
a28bcc22 | 2230 | } |
b801d8b2 | 2231 | |
6e950a52 JF |
2232 | /* Resize the view when switching between split- and full-screen, |
2233 | * or when switching between two different full-screen views. */ | |
2234 | if (nviews != displayed_views() || | |
2235 | (nviews == 1 && base_view != display[0])) | |
a006db63 | 2236 | resize_display(); |
b801d8b2 | 2237 | |
a8891802 | 2238 | if (split && prev->lineno - prev->offset >= prev->height) { |
03a93dbb | 2239 | /* Take the title line into account. */ |
eb98559e | 2240 | int lines = prev->lineno - prev->offset - prev->height + 1; |
03a93dbb JF |
2241 | |
2242 | /* Scroll the view that was split if the current line is | |
2243 | * outside the new limited view. */ | |
8c317212 | 2244 | do_scroll_view(prev, lines); |
03a93dbb JF |
2245 | } |
2246 | ||
6b161b31 | 2247 | if (prev && view != prev) { |
9b995f0c | 2248 | if (split && !backgrounded) { |
f0b3ab80 JF |
2249 | /* "Blur" the previous view. */ |
2250 | update_view_title(prev); | |
9f396969 | 2251 | } |
f0b3ab80 | 2252 | |
f6da0b66 | 2253 | view->parent = prev; |
b801d8b2 JF |
2254 | } |
2255 | ||
9f396969 | 2256 | if (view->pipe && view->lines == 0) { |
03a93dbb JF |
2257 | /* Clear the old view and let the incremental updating refill |
2258 | * the screen. */ | |
2259 | wclear(view->win); | |
f97f4012 | 2260 | report(""); |
03a93dbb JF |
2261 | } else { |
2262 | redraw_view(view); | |
24b5b3e0 | 2263 | report(""); |
03a93dbb | 2264 | } |
6706b2ba JF |
2265 | |
2266 | /* If the view is backgrounded the above calls to report() | |
2267 | * won't redraw the view title. */ | |
2268 | if (backgrounded) | |
2269 | update_view_title(view); | |
b801d8b2 JF |
2270 | } |
2271 | ||
0cea0d43 | 2272 | static void |
d24ef76c JF |
2273 | open_external_viewer(const char *cmd) |
2274 | { | |
2275 | def_prog_mode(); /* save current tty modes */ | |
2276 | endwin(); /* restore original tty modes */ | |
2277 | system(cmd); | |
2278 | fprintf(stderr, "Press Enter to continue"); | |
2279 | getc(stdin); | |
2280 | reset_prog_mode(); | |
2281 | redraw_display(); | |
2282 | } | |
2283 | ||
2284 | static void | |
b5c18d9d JF |
2285 | open_mergetool(const char *file) |
2286 | { | |
2287 | char cmd[SIZEOF_STR]; | |
2288 | char file_sq[SIZEOF_STR]; | |
2289 | ||
2290 | if (sq_quote(file_sq, 0, file) < sizeof(file_sq) && | |
2291 | string_format(cmd, "git mergetool %s", file_sq)) { | |
2292 | open_external_viewer(cmd); | |
2293 | } | |
2294 | } | |
2295 | ||
2296 | static void | |
d24ef76c | 2297 | open_editor(bool from_root, const char *file) |
0cea0d43 JF |
2298 | { |
2299 | char cmd[SIZEOF_STR]; | |
2300 | char file_sq[SIZEOF_STR]; | |
2301 | char *editor; | |
7d31b059 | 2302 | char *prefix = from_root ? opt_cdup : ""; |
0cea0d43 JF |
2303 | |
2304 | editor = getenv("GIT_EDITOR"); | |
2305 | if (!editor && *opt_editor) | |
2306 | editor = opt_editor; | |
2307 | if (!editor) | |
2308 | editor = getenv("VISUAL"); | |
2309 | if (!editor) | |
2310 | editor = getenv("EDITOR"); | |
2311 | if (!editor) | |
2312 | editor = "vi"; | |
2313 | ||
2314 | if (sq_quote(file_sq, 0, file) < sizeof(file_sq) && | |
7d31b059 | 2315 | string_format(cmd, "%s %s%s", editor, prefix, file_sq)) { |
d24ef76c | 2316 | open_external_viewer(cmd); |
0cea0d43 JF |
2317 | } |
2318 | } | |
b801d8b2 | 2319 | |
9eb14b72 JF |
2320 | static void |
2321 | open_run_request(enum request request) | |
2322 | { | |
2323 | struct run_request *req = get_run_request(request); | |
2324 | char buf[SIZEOF_STR * 2]; | |
2325 | size_t bufpos; | |
2326 | char *cmd; | |
2327 | ||
2328 | if (!req) { | |
2329 | report("Unknown run request"); | |
2330 | return; | |
2331 | } | |
2332 | ||
2333 | bufpos = 0; | |
2334 | cmd = req->cmd; | |
2335 | ||
2336 | while (cmd) { | |
2337 | char *next = strstr(cmd, "%("); | |
2338 | int len = next - cmd; | |
2339 | char *value; | |
2340 | ||
2341 | if (!next) { | |
2342 | len = strlen(cmd); | |
2343 | value = ""; | |
2344 | ||
2345 | } else if (!strncmp(next, "%(head)", 7)) { | |
2346 | value = ref_head; | |
2347 | ||
2348 | } else if (!strncmp(next, "%(commit)", 9)) { | |
2349 | value = ref_commit; | |
2350 | ||
2351 | } else if (!strncmp(next, "%(blob)", 7)) { | |
2352 | value = ref_blob; | |
2353 | ||
2354 | } else { | |
2355 | report("Unknown replacement in run request: `%s`", req->cmd); | |
2356 | return; | |
2357 | } | |
2358 | ||
2359 | if (!string_format_from(buf, &bufpos, "%.*s%s", len, cmd, value)) | |
2360 | return; | |
2361 | ||
2362 | if (next) | |
2363 | next = strchr(next, ')') + 1; | |
2364 | cmd = next; | |
2365 | } | |
2366 | ||
2367 | open_external_viewer(buf); | |
2368 | } | |
2369 | ||
6b161b31 JF |
2370 | /* |
2371 | * User request switch noodle | |
2372 | */ | |
2373 | ||
b801d8b2 | 2374 | static int |
6b161b31 | 2375 | view_driver(struct view *view, enum request request) |
b801d8b2 | 2376 | { |
b801d8b2 JF |
2377 | int i; |
2378 | ||
1bace428 JF |
2379 | if (request == REQ_NONE) { |
2380 | doupdate(); | |
2381 | return TRUE; | |
2382 | } | |
2383 | ||
9eb14b72 JF |
2384 | if (request > REQ_NONE) { |
2385 | open_run_request(request); | |
2386 | return TRUE; | |
2387 | } | |
2388 | ||
586c423d JF |
2389 | if (view && view->lines) { |
2390 | request = view->ops->request(view, request, &view->line[view->lineno]); | |
2391 | if (request == REQ_NONE) | |
2392 | return TRUE; | |
2393 | } | |
2394 | ||
b801d8b2 | 2395 | switch (request) { |
4a2909a7 JF |
2396 | case REQ_MOVE_UP: |
2397 | case REQ_MOVE_DOWN: | |
2398 | case REQ_MOVE_PAGE_UP: | |
2399 | case REQ_MOVE_PAGE_DOWN: | |
2400 | case REQ_MOVE_FIRST_LINE: | |
2401 | case REQ_MOVE_LAST_LINE: | |
8522ecc7 | 2402 | move_view(view, request); |
fd85fef1 JF |
2403 | break; |
2404 | ||
4a2909a7 JF |
2405 | case REQ_SCROLL_LINE_DOWN: |
2406 | case REQ_SCROLL_LINE_UP: | |
2407 | case REQ_SCROLL_PAGE_DOWN: | |
2408 | case REQ_SCROLL_PAGE_UP: | |
a28bcc22 | 2409 | scroll_view(view, request); |
b801d8b2 JF |
2410 | break; |
2411 | ||
e733ee54 JF |
2412 | case REQ_VIEW_BLOB: |
2413 | if (!ref_blob[0]) { | |
550cd4b5 JF |
2414 | report("No file chosen, press %s to open tree view", |
2415 | get_key(REQ_VIEW_TREE)); | |
e733ee54 JF |
2416 | break; |
2417 | } | |
5c4358d1 JF |
2418 | open_view(view, request, OPEN_DEFAULT); |
2419 | break; | |
2420 | ||
2421 | case REQ_VIEW_PAGER: | |
b64c5b75 | 2422 | if (!opt_pipe && !VIEW(REQ_VIEW_PAGER)->lines) { |
5c4358d1 JF |
2423 | report("No pager content, press %s to run command from prompt", |
2424 | get_key(REQ_PROMPT)); | |
2425 | break; | |
2426 | } | |
2427 | open_view(view, request, OPEN_DEFAULT); | |
2428 | break; | |
2429 | ||
3e634113 JF |
2430 | case REQ_VIEW_STAGE: |
2431 | if (!VIEW(REQ_VIEW_STAGE)->lines) { | |
2432 | report("No stage content, press %s to open the status view and choose file", | |
2433 | get_key(REQ_VIEW_STATUS)); | |
2434 | break; | |
2435 | } | |
2436 | open_view(view, request, OPEN_DEFAULT); | |
2437 | break; | |
2438 | ||
c38c64bb JF |
2439 | case REQ_VIEW_STATUS: |
2440 | if (opt_is_inside_work_tree == FALSE) { | |
2441 | report("The status view requires a working tree"); | |
2442 | break; | |
2443 | } | |
2444 | open_view(view, request, OPEN_DEFAULT); | |
2445 | break; | |
2446 | ||
4a2909a7 | 2447 | case REQ_VIEW_MAIN: |
4a2909a7 | 2448 | case REQ_VIEW_DIFF: |
2e8488b4 | 2449 | case REQ_VIEW_LOG: |
e733ee54 | 2450 | case REQ_VIEW_TREE: |
2e8488b4 | 2451 | case REQ_VIEW_HELP: |
49f2b43f | 2452 | open_view(view, request, OPEN_DEFAULT); |
b801d8b2 JF |
2453 | break; |
2454 | ||
b3a54cba JF |
2455 | case REQ_NEXT: |
2456 | case REQ_PREVIOUS: | |
2457 | request = request == REQ_NEXT ? REQ_MOVE_DOWN : REQ_MOVE_UP; | |
2458 | ||
e733ee54 JF |
2459 | if ((view == VIEW(REQ_VIEW_DIFF) && |
2460 | view->parent == VIEW(REQ_VIEW_MAIN)) || | |
3e634113 | 2461 | (view == VIEW(REQ_VIEW_STAGE) && |
b9b5b4cd | 2462 | view->parent == VIEW(REQ_VIEW_STATUS)) || |
e733ee54 JF |
2463 | (view == VIEW(REQ_VIEW_BLOB) && |
2464 | view->parent == VIEW(REQ_VIEW_TREE))) { | |
03400136 WF |
2465 | int line; |
2466 | ||
b3a54cba | 2467 | view = view->parent; |
03400136 | 2468 | line = view->lineno; |
8522ecc7 JF |
2469 | move_view(view, request); |
2470 | if (view_is_displayed(view)) | |
f0b3ab80 | 2471 | update_view_title(view); |
328d27f7 JF |
2472 | if (line != view->lineno) |
2473 | view->ops->request(view, REQ_ENTER, | |
2474 | &view->line[view->lineno]); | |
2475 | ||
b3a54cba | 2476 | } else { |
8522ecc7 | 2477 | move_view(view, request); |
b3a54cba | 2478 | } |
328d27f7 | 2479 | break; |
6b161b31 | 2480 | |
03a93dbb JF |
2481 | case REQ_VIEW_NEXT: |
2482 | { | |
9f41488f | 2483 | int nviews = displayed_views(); |
03a93dbb JF |
2484 | int next_view = (current_view + 1) % nviews; |
2485 | ||
2486 | if (next_view == current_view) { | |
2487 | report("Only one view is displayed"); | |
2488 | break; | |
2489 | } | |
2490 | ||
2491 | current_view = next_view; | |
2492 | /* Blur out the title of the previous view. */ | |
2493 | update_view_title(view); | |
6734f6b9 | 2494 | report(""); |
03a93dbb JF |
2495 | break; |
2496 | } | |
acaef3b3 JF |
2497 | case REQ_REFRESH: |
2498 | report("Refreshing is not yet supported for the %s view", view->name); | |
2499 | break; | |
2500 | ||
24b5b3e0 | 2501 | case REQ_TOGGLE_LINENO: |
b76c2afc | 2502 | opt_line_number = !opt_line_number; |
20bb5e18 | 2503 | redraw_display(); |
b801d8b2 JF |
2504 | break; |
2505 | ||
54efb62b JF |
2506 | case REQ_TOGGLE_REV_GRAPH: |
2507 | opt_rev_graph = !opt_rev_graph; | |
2508 | redraw_display(); | |
2509 | break; | |
2510 | ||
03a93dbb | 2511 | case REQ_PROMPT: |
8855ada4 | 2512 | /* Always reload^Wrerun commands from the prompt. */ |
49f2b43f | 2513 | open_view(view, opt_request, OPEN_RELOAD); |
03a93dbb JF |
2514 | break; |
2515 | ||
4af34daa JF |
2516 | case REQ_SEARCH: |
2517 | case REQ_SEARCH_BACK: | |
c02d8fce | 2518 | search_view(view, request); |
4af34daa JF |
2519 | break; |
2520 | ||
2521 | case REQ_FIND_NEXT: | |
2522 | case REQ_FIND_PREV: | |
2523 | find_next(view, request); | |
2524 | break; | |
2525 | ||
4a2909a7 | 2526 | case REQ_STOP_LOADING: |
59a45d3a JF |
2527 | for (i = 0; i < ARRAY_SIZE(views); i++) { |
2528 | view = &views[i]; | |
2e8488b4 | 2529 | if (view->pipe) |
6a7bb912 | 2530 | report("Stopped loading the %s view", view->name), |
03a93dbb JF |
2531 | end_update(view); |
2532 | } | |
b801d8b2 JF |
2533 | break; |
2534 | ||
4a2909a7 | 2535 | case REQ_SHOW_VERSION: |
ec31d0d0 | 2536 | report("tig-%s (built %s)", TIG_VERSION, __DATE__); |
b801d8b2 JF |
2537 | return TRUE; |
2538 | ||
fac7db6c JF |
2539 | case REQ_SCREEN_RESIZE: |
2540 | resize_display(); | |
2541 | /* Fall-through */ | |
4a2909a7 | 2542 | case REQ_SCREEN_REDRAW: |
20bb5e18 | 2543 | redraw_display(); |
4a2909a7 JF |
2544 | break; |
2545 | ||
0cea0d43 JF |
2546 | case REQ_EDIT: |
2547 | report("Nothing to edit"); | |
531c6c69 JF |
2548 | break; |
2549 | ||
226da94b | 2550 | |
531c6c69 JF |
2551 | case REQ_ENTER: |
2552 | report("Nothing to enter"); | |
2553 | break; | |
ca1d71ea | 2554 | |
b801d8b2 | 2555 | |
4f9b667a | 2556 | case REQ_VIEW_CLOSE: |
2fcf5401 JF |
2557 | /* XXX: Mark closed views by letting view->parent point to the |
2558 | * view itself. Parents to closed view should never be | |
2559 | * followed. */ | |
2560 | if (view->parent && | |
2561 | view->parent->parent != view->parent) { | |
4f9b667a JF |
2562 | memset(display, 0, sizeof(display)); |
2563 | current_view = 0; | |
f6da0b66 | 2564 | display[current_view] = view->parent; |
2fcf5401 | 2565 | view->parent = view; |
4f9b667a JF |
2566 | resize_display(); |
2567 | redraw_display(); | |
2568 | break; | |
2569 | } | |
2570 | /* Fall-through */ | |
b801d8b2 JF |
2571 | case REQ_QUIT: |
2572 | return FALSE; | |
2573 | ||
2574 | default: | |
2e8488b4 | 2575 | /* An unknown key will show most commonly used commands. */ |
468876c9 | 2576 | report("Unknown key, press 'h' for help"); |
b801d8b2 JF |
2577 | return TRUE; |
2578 | } | |
2579 | ||
2580 | return TRUE; | |
2581 | } | |
2582 | ||
2583 | ||
2584 | /* | |
ff26aa29 | 2585 | * Pager backend |
b801d8b2 JF |
2586 | */ |
2587 | ||
6b161b31 | 2588 | static bool |
5dcf8064 | 2589 | pager_draw(struct view *view, struct line *line, unsigned int lineno, bool selected) |
b801d8b2 | 2590 | { |
fe7233c3 JF |
2591 | char *text = line->data; |
2592 | enum line_type type = line->type; | |
2593 | int textlen = strlen(text); | |
78c70acd | 2594 | int attr; |
b801d8b2 | 2595 | |
6706b2ba JF |
2596 | wmove(view->win, lineno, 0); |
2597 | ||
5dcf8064 | 2598 | if (selected) { |
78c70acd | 2599 | type = LINE_CURSOR; |
6706b2ba | 2600 | wchgat(view->win, -1, 0, type, NULL); |
fd85fef1 JF |
2601 | } |
2602 | ||
78c70acd | 2603 | attr = get_line_attr(type); |
b801d8b2 | 2604 | wattrset(view->win, attr); |
b76c2afc | 2605 | |
6706b2ba JF |
2606 | if (opt_line_number || opt_tab_size < TABSIZE) { |
2607 | static char spaces[] = " "; | |
2608 | int col_offset = 0, col = 0; | |
2609 | ||
2610 | if (opt_line_number) { | |
2611 | unsigned long real_lineno = view->offset + lineno + 1; | |
82e78006 | 2612 | |
6706b2ba JF |
2613 | if (real_lineno == 1 || |
2614 | (real_lineno % opt_num_interval) == 0) { | |
2615 | wprintw(view->win, "%.*d", view->digits, real_lineno); | |
8855ada4 | 2616 | |
6706b2ba JF |
2617 | } else { |
2618 | waddnstr(view->win, spaces, | |
2619 | MIN(view->digits, STRING_SIZE(spaces))); | |
2620 | } | |
2621 | waddstr(view->win, ": "); | |
2622 | col_offset = view->digits + 2; | |
2623 | } | |
8855ada4 | 2624 | |
fe7233c3 | 2625 | while (text && col_offset + col < view->width) { |
6706b2ba | 2626 | int cols_max = view->width - col_offset - col; |
fe7233c3 | 2627 | char *pos = text; |
6706b2ba | 2628 | int cols; |
4c6fabc2 | 2629 | |
fe7233c3 JF |
2630 | if (*text == '\t') { |
2631 | text++; | |
6706b2ba | 2632 | assert(sizeof(spaces) > TABSIZE); |
fe7233c3 | 2633 | pos = spaces; |
6706b2ba | 2634 | cols = opt_tab_size - (col % opt_tab_size); |
82e78006 | 2635 | |
b76c2afc | 2636 | } else { |
fe7233c3 JF |
2637 | text = strchr(text, '\t'); |
2638 | cols = line ? text - pos : strlen(pos); | |
b76c2afc | 2639 | } |
6706b2ba | 2640 | |
fe7233c3 | 2641 | waddnstr(view->win, pos, MIN(cols, cols_max)); |
6706b2ba | 2642 | col += cols; |
b76c2afc | 2643 | } |
b76c2afc JF |
2644 | |
2645 | } else { | |
6706b2ba | 2646 | int col = 0, pos = 0; |
b801d8b2 | 2647 | |
fe7233c3 JF |
2648 | for (; pos < textlen && col < view->width; pos++, col++) |
2649 | if (text[pos] == '\t') | |
6706b2ba JF |
2650 | col += TABSIZE - (col % TABSIZE) - 1; |
2651 | ||
fe7233c3 | 2652 | waddnstr(view->win, text, pos); |
6706b2ba | 2653 | } |
2e8488b4 | 2654 | |
b801d8b2 JF |
2655 | return TRUE; |
2656 | } | |
2657 | ||
dc23c0e3 | 2658 | static bool |
d65ced0d | 2659 | add_describe_ref(char *buf, size_t *bufpos, char *commit_id, const char *sep) |
dc23c0e3 | 2660 | { |
17482b11 | 2661 | char refbuf[SIZEOF_STR]; |
dc23c0e3 JF |
2662 | char *ref = NULL; |
2663 | FILE *pipe; | |
2664 | ||
d3c345f7 | 2665 | if (!string_format(refbuf, "git describe %s 2>/dev/null", commit_id)) |
dc23c0e3 JF |
2666 | return TRUE; |
2667 | ||
2668 | pipe = popen(refbuf, "r"); | |
2669 | if (!pipe) | |
2670 | return TRUE; | |
2671 | ||
2672 | if ((ref = fgets(refbuf, sizeof(refbuf), pipe))) | |
2673 | ref = chomp_string(ref); | |
2674 | pclose(pipe); | |
2675 | ||
2676 | if (!ref || !*ref) | |
2677 | return TRUE; | |
2678 | ||
2679 | /* This is the only fatal call, since it can "corrupt" the buffer. */ | |
17482b11 | 2680 | if (!string_nformat(buf, SIZEOF_STR, bufpos, "%s%s", sep, ref)) |
dc23c0e3 JF |
2681 | return FALSE; |
2682 | ||
2683 | return TRUE; | |
2684 | } | |
2685 | ||
7b99a34c JF |
2686 | static void |
2687 | add_pager_refs(struct view *view, struct line *line) | |
2688 | { | |
17482b11 | 2689 | char buf[SIZEOF_STR]; |
c9ca1ec3 | 2690 | char *commit_id = line->data + STRING_SIZE("commit "); |
7b99a34c | 2691 | struct ref **refs; |
d65ced0d | 2692 | size_t bufpos = 0, refpos = 0; |
7b99a34c | 2693 | const char *sep = "Refs: "; |
dc23c0e3 | 2694 | bool is_tag = FALSE; |
7b99a34c JF |
2695 | |
2696 | assert(line->type == LINE_COMMIT); | |
2697 | ||
c9ca1ec3 | 2698 | refs = get_refs(commit_id); |
dc23c0e3 JF |
2699 | if (!refs) { |
2700 | if (view == VIEW(REQ_VIEW_DIFF)) | |
2701 | goto try_add_describe_ref; | |
7b99a34c | 2702 | return; |
dc23c0e3 | 2703 | } |
7b99a34c JF |
2704 | |
2705 | do { | |
cc2d1364 | 2706 | struct ref *ref = refs[refpos]; |
e15ec88e JF |
2707 | char *fmt = ref->tag ? "%s[%s]" : |
2708 | ref->remote ? "%s<%s>" : "%s%s"; | |
7b99a34c | 2709 | |
cc2d1364 JF |
2710 | if (!string_format_from(buf, &bufpos, fmt, sep, ref->name)) |
2711 | return; | |
7b99a34c | 2712 | sep = ", "; |
dc23c0e3 JF |
2713 | if (ref->tag) |
2714 | is_tag = TRUE; | |
7b99a34c JF |
2715 | } while (refs[refpos++]->next); |
2716 | ||
dc23c0e3 JF |
2717 | if (!is_tag && view == VIEW(REQ_VIEW_DIFF)) { |
2718 | try_add_describe_ref: | |
d42c8a35 | 2719 | /* Add <tag>-g<commit_id> "fake" reference. */ |
dc23c0e3 JF |
2720 | if (!add_describe_ref(buf, &bufpos, commit_id, sep)) |
2721 | return; | |
2722 | } | |
2723 | ||
d42c8a35 JF |
2724 | if (bufpos == 0) |
2725 | return; | |
2726 | ||
cc2d1364 | 2727 | if (!realloc_lines(view, view->line_size + 1)) |
7b99a34c JF |
2728 | return; |
2729 | ||
0a0d8910 | 2730 | add_line_text(view, buf, LINE_PP_REFS); |
7b99a34c JF |
2731 | } |
2732 | ||
6b161b31 | 2733 | static bool |
701e4f5d | 2734 | pager_read(struct view *view, char *data) |
22f66b0a | 2735 | { |
0a0d8910 | 2736 | struct line *line; |
22f66b0a | 2737 | |
be04d936 JF |
2738 | if (!data) |
2739 | return TRUE; | |
2740 | ||
0a0d8910 JF |
2741 | line = add_line_text(view, data, get_line_type(data)); |
2742 | if (!line) | |
7b99a34c | 2743 | return FALSE; |
fe7233c3 | 2744 | |
7b99a34c JF |
2745 | if (line->type == LINE_COMMIT && |
2746 | (view == VIEW(REQ_VIEW_DIFF) || | |
2747 | view == VIEW(REQ_VIEW_LOG))) | |
2748 | add_pager_refs(view, line); | |
2749 | ||
22f66b0a JF |
2750 | return TRUE; |
2751 | } | |
2752 | ||
586c423d JF |
2753 | static enum request |
2754 | pager_request(struct view *view, enum request request, struct line *line) | |
6b161b31 | 2755 | { |
91e8e277 | 2756 | int split = 0; |
6b161b31 | 2757 | |
586c423d JF |
2758 | if (request != REQ_ENTER) |
2759 | return request; | |
2760 | ||
9fbbd28f JF |
2761 | if (line->type == LINE_COMMIT && |
2762 | (view == VIEW(REQ_VIEW_LOG) || | |
2763 | view == VIEW(REQ_VIEW_PAGER))) { | |
91e8e277 JF |
2764 | open_view(view, REQ_VIEW_DIFF, OPEN_SPLIT); |
2765 | split = 1; | |
67e48ac5 JF |
2766 | } |
2767 | ||
91e8e277 JF |
2768 | /* Always scroll the view even if it was split. That way |
2769 | * you can use Enter to scroll through the log view and | |
2770 | * split open each commit diff. */ | |
2771 | scroll_view(view, REQ_SCROLL_LINE_DOWN); | |
2772 | ||
2773 | /* FIXME: A minor workaround. Scrolling the view will call report("") | |
9d82d824 JF |
2774 | * but if we are scrolling a non-current view this won't properly |
2775 | * update the view title. */ | |
91e8e277 JF |
2776 | if (split) |
2777 | update_view_title(view); | |
6b161b31 | 2778 | |
586c423d | 2779 | return REQ_NONE; |
6b161b31 JF |
2780 | } |
2781 | ||
4af34daa JF |
2782 | static bool |
2783 | pager_grep(struct view *view, struct line *line) | |
2784 | { | |
2785 | regmatch_t pmatch; | |
2786 | char *text = line->data; | |
2787 | ||
2788 | if (!*text) | |
2789 | return FALSE; | |
2790 | ||
b77b2cb8 | 2791 | if (regexec(view->regex, text, 1, &pmatch, 0) == REG_NOMATCH) |
4af34daa JF |
2792 | return FALSE; |
2793 | ||
2794 | return TRUE; | |
2795 | } | |
2796 | ||
d720de4b JF |
2797 | static void |
2798 | pager_select(struct view *view, struct line *line) | |
2799 | { | |
2800 | if (line->type == LINE_COMMIT) { | |
035ba11f | 2801 | char *text = line->data + STRING_SIZE("commit "); |
d720de4b | 2802 | |
035ba11f | 2803 | if (view != VIEW(REQ_VIEW_PAGER)) |
2463b4ea JF |
2804 | string_copy_rev(view->ref, text); |
2805 | string_copy_rev(ref_commit, text); | |
d720de4b JF |
2806 | } |
2807 | } | |
2808 | ||
6b161b31 | 2809 | static struct view_ops pager_ops = { |
6734f6b9 | 2810 | "line", |
f098944b | 2811 | NULL, |
6b161b31 | 2812 | pager_read, |
f098944b | 2813 | pager_draw, |
586c423d | 2814 | pager_request, |
f098944b JF |
2815 | pager_grep, |
2816 | pager_select, | |
2817 | }; | |
2818 | ||
2819 | ||
2820 | /* | |
2821 | * Help backend | |
2822 | */ | |
2823 | ||
2824 | static bool | |
2825 | help_open(struct view *view) | |
2826 | { | |
2827 | char buf[BUFSIZ]; | |
2828 | int lines = ARRAY_SIZE(req_info) + 2; | |
2829 | int i; | |
2830 | ||
2831 | if (view->lines > 0) | |
2832 | return TRUE; | |
2833 | ||
2834 | for (i = 0; i < ARRAY_SIZE(req_info); i++) | |
2835 | if (!req_info[i].request) | |
2836 | lines++; | |
2837 | ||
9eb14b72 JF |
2838 | lines += run_requests + 1; |
2839 | ||
f098944b JF |
2840 | view->line = calloc(lines, sizeof(*view->line)); |
2841 | if (!view->line) | |
2842 | return FALSE; | |
2843 | ||
2844 | add_line_text(view, "Quick reference for tig keybindings:", LINE_DEFAULT); | |
2845 | ||
2846 | for (i = 0; i < ARRAY_SIZE(req_info); i++) { | |
2847 | char *key; | |
2848 | ||
0e4360b6 JF |
2849 | if (req_info[i].request == REQ_NONE) |
2850 | continue; | |
2851 | ||
f098944b JF |
2852 | if (!req_info[i].request) { |
2853 | add_line_text(view, "", LINE_DEFAULT); | |
2854 | add_line_text(view, req_info[i].help, LINE_DEFAULT); | |
2855 | continue; | |
2856 | } | |
2857 | ||
2858 | key = get_key(req_info[i].request); | |
0e4360b6 JF |
2859 | if (!*key) |
2860 | key = "(no key defined)"; | |
2861 | ||
f098944b JF |
2862 | if (!string_format(buf, " %-25s %s", key, req_info[i].help)) |
2863 | continue; | |
2864 | ||
2865 | add_line_text(view, buf, LINE_DEFAULT); | |
2866 | } | |
2867 | ||
9eb14b72 JF |
2868 | if (run_requests) { |
2869 | add_line_text(view, "", LINE_DEFAULT); | |
2870 | add_line_text(view, "External commands:", LINE_DEFAULT); | |
2871 | } | |
2872 | ||
2873 | for (i = 0; i < run_requests; i++) { | |
2874 | struct run_request *req = get_run_request(REQ_NONE + i + 1); | |
2875 | char *key; | |
2876 | ||
2877 | if (!req) | |
2878 | continue; | |
2879 | ||
2880 | key = get_key_name(req->key); | |
2881 | if (!*key) | |
2882 | key = "(no key defined)"; | |
2883 | ||
2884 | if (!string_format(buf, " %-10s %-14s `%s`", | |
2885 | keymap_table[req->keymap].name, | |
2886 | key, req->cmd)) | |
2887 | continue; | |
2888 | ||
2889 | add_line_text(view, buf, LINE_DEFAULT); | |
2890 | } | |
2891 | ||
f098944b JF |
2892 | return TRUE; |
2893 | } | |
2894 | ||
2895 | static struct view_ops help_ops = { | |
2896 | "line", | |
2897 | help_open, | |
2898 | NULL, | |
2899 | pager_draw, | |
586c423d | 2900 | pager_request, |
4af34daa | 2901 | pager_grep, |
d720de4b | 2902 | pager_select, |
6b161b31 JF |
2903 | }; |
2904 | ||
80ce96ea | 2905 | |
ff26aa29 | 2906 | /* |
e733ee54 JF |
2907 | * Tree backend |
2908 | */ | |
2909 | ||
69efc854 JF |
2910 | struct tree_stack_entry { |
2911 | struct tree_stack_entry *prev; /* Entry below this in the stack */ | |
2912 | unsigned long lineno; /* Line number to restore */ | |
2913 | char *name; /* Position of name in opt_path */ | |
2914 | }; | |
2915 | ||
2916 | /* The top of the path stack. */ | |
2917 | static struct tree_stack_entry *tree_stack = NULL; | |
2918 | unsigned long tree_lineno = 0; | |
2919 | ||
2920 | static void | |
2921 | pop_tree_stack_entry(void) | |
2922 | { | |
2923 | struct tree_stack_entry *entry = tree_stack; | |
2924 | ||
2925 | tree_lineno = entry->lineno; | |
2926 | entry->name[0] = 0; | |
2927 | tree_stack = entry->prev; | |
2928 | free(entry); | |
2929 | } | |
2930 | ||
2931 | static void | |
2932 | push_tree_stack_entry(char *name, unsigned long lineno) | |
2933 | { | |
2934 | struct tree_stack_entry *entry = calloc(1, sizeof(*entry)); | |
2935 | size_t pathlen = strlen(opt_path); | |
2936 | ||
2937 | if (!entry) | |
2938 | return; | |
2939 | ||
2940 | entry->prev = tree_stack; | |
2941 | entry->name = opt_path + pathlen; | |
2942 | tree_stack = entry; | |
2943 | ||
2944 | if (!string_format_from(opt_path, &pathlen, "%s/", name)) { | |
2945 | pop_tree_stack_entry(); | |
2946 | return; | |
2947 | } | |
2948 | ||
2949 | /* Move the current line to the first tree entry. */ | |
2950 | tree_lineno = 1; | |
2951 | entry->lineno = lineno; | |
2952 | } | |
2953 | ||
4795d620 | 2954 | /* Parse output from git-ls-tree(1): |
e733ee54 JF |
2955 | * |
2956 | * 100644 blob fb0e31ea6cc679b7379631188190e975f5789c26 Makefile | |
2957 | * 100644 blob 5304ca4260aaddaee6498f9630e7d471b8591ea6 README | |
2958 | * 100644 blob f931e1d229c3e185caad4449bf5b66ed72462657 tig.c | |
2959 | * 100644 blob ed09fe897f3c7c9af90bcf80cae92558ea88ae38 web.conf | |
2960 | */ | |
2961 | ||
2962 | #define SIZEOF_TREE_ATTR \ | |
2963 | STRING_SIZE("100644 blob ed09fe897f3c7c9af90bcf80cae92558ea88ae38\t") | |
2964 | ||
2965 | #define TREE_UP_FORMAT "040000 tree %s\t.." | |
2966 | ||
2967 | static int | |
2968 | tree_compare_entry(enum line_type type1, char *name1, | |
2969 | enum line_type type2, char *name2) | |
2970 | { | |
2971 | if (type1 != type2) { | |
2972 | if (type1 == LINE_TREE_DIR) | |
2973 | return -1; | |
2974 | return 1; | |
2975 | } | |
2976 | ||
2977 | return strcmp(name1, name2); | |
2978 | } | |
2979 | ||
2980 | static bool | |
2981 | tree_read(struct view *view, char *text) | |
2982 | { | |
be04d936 | 2983 | size_t textlen = text ? strlen(text) : 0; |
e733ee54 JF |
2984 | char buf[SIZEOF_STR]; |
2985 | unsigned long pos; | |
2986 | enum line_type type; | |
f88a5319 | 2987 | bool first_read = view->lines == 0; |
e733ee54 JF |
2988 | |
2989 | if (textlen <= SIZEOF_TREE_ATTR) | |
2990 | return FALSE; | |
2991 | ||
2992 | type = text[STRING_SIZE("100644 ")] == 't' | |
2993 | ? LINE_TREE_DIR : LINE_TREE_FILE; | |
2994 | ||
f88a5319 | 2995 | if (first_read) { |
e733ee54 | 2996 | /* Add path info line */ |
0a0d8910 JF |
2997 | if (!string_format(buf, "Directory path /%s", opt_path) || |
2998 | !realloc_lines(view, view->line_size + 1) || | |
2999 | !add_line_text(view, buf, LINE_DEFAULT)) | |
e733ee54 JF |
3000 | return FALSE; |
3001 | ||
3002 | /* Insert "link" to parent directory. */ | |
0a0d8910 JF |
3003 | if (*opt_path) { |
3004 | if (!string_format(buf, TREE_UP_FORMAT, view->ref) || | |
3005 | !realloc_lines(view, view->line_size + 1) || | |
3006 | !add_line_text(view, buf, LINE_TREE_DIR)) | |
3007 | return FALSE; | |
3008 | } | |
e733ee54 JF |
3009 | } |
3010 | ||
3011 | /* Strip the path part ... */ | |
3012 | if (*opt_path) { | |
3013 | size_t pathlen = textlen - SIZEOF_TREE_ATTR; | |
3014 | size_t striplen = strlen(opt_path); | |
3015 | char *path = text + SIZEOF_TREE_ATTR; | |
3016 | ||
3017 | if (pathlen > striplen) | |
3018 | memmove(path, path + striplen, | |
3019 | pathlen - striplen + 1); | |
3020 | } | |
3021 | ||
3022 | /* Skip "Directory ..." and ".." line. */ | |
3023 | for (pos = 1 + !!*opt_path; pos < view->lines; pos++) { | |
3024 | struct line *line = &view->line[pos]; | |
3025 | char *path1 = ((char *) line->data) + SIZEOF_TREE_ATTR; | |
3026 | char *path2 = text + SIZEOF_TREE_ATTR; | |
3027 | int cmp = tree_compare_entry(line->type, path1, type, path2); | |
3028 | ||
3029 | if (cmp <= 0) | |
3030 | continue; | |
3031 | ||
3032 | text = strdup(text); | |
3033 | if (!text) | |
3034 | return FALSE; | |
3035 | ||
3036 | if (view->lines > pos) | |
3037 | memmove(&view->line[pos + 1], &view->line[pos], | |
3038 | (view->lines - pos) * sizeof(*line)); | |
3039 | ||
3040 | line = &view->line[pos]; | |
3041 | line->data = text; | |
3042 | line->type = type; | |
3043 | view->lines++; | |
3044 | return TRUE; | |
3045 | } | |
3046 | ||
0a0d8910 | 3047 | if (!add_line_text(view, text, type)) |
e733ee54 JF |
3048 | return FALSE; |
3049 | ||
69efc854 JF |
3050 | if (tree_lineno > view->lineno) { |
3051 | view->lineno = tree_lineno; | |
3052 | tree_lineno = 0; | |
3053 | } | |
f88a5319 | 3054 | |
e733ee54 JF |
3055 | return TRUE; |
3056 | } | |
3057 | ||
586c423d JF |
3058 | static enum request |
3059 | tree_request(struct view *view, enum request request, struct line *line) | |
e733ee54 | 3060 | { |
aac64c17 | 3061 | enum open_flags flags; |
586c423d | 3062 | |
c509eed2 DV |
3063 | if (request == REQ_TREE_PARENT) { |
3064 | if (*opt_path) { | |
3065 | /* fake 'cd ..' */ | |
3066 | request = REQ_ENTER; | |
3067 | line = &view->line[1]; | |
3068 | } else { | |
3069 | /* quit view if at top of tree */ | |
3070 | return REQ_VIEW_CLOSE; | |
3071 | } | |
3072 | } | |
586c423d JF |
3073 | if (request != REQ_ENTER) |
3074 | return request; | |
e733ee54 | 3075 | |
69efc854 JF |
3076 | /* Cleanup the stack if the tree view is at a different tree. */ |
3077 | while (!*opt_path && tree_stack) | |
3078 | pop_tree_stack_entry(); | |
3079 | ||
e733ee54 JF |
3080 | switch (line->type) { |
3081 | case LINE_TREE_DIR: | |
3082 | /* Depending on whether it is a subdir or parent (updir?) link | |
3083 | * mangle the path buffer. */ | |
3084 | if (line == &view->line[1] && *opt_path) { | |
69efc854 | 3085 | pop_tree_stack_entry(); |
e733ee54 JF |
3086 | |
3087 | } else { | |
4795d620 | 3088 | char *data = line->data; |
e733ee54 JF |
3089 | char *basename = data + SIZEOF_TREE_ATTR; |
3090 | ||
69efc854 | 3091 | push_tree_stack_entry(basename, view->lineno); |
e733ee54 JF |
3092 | } |
3093 | ||
3094 | /* Trees and subtrees share the same ID, so they are not not | |
3095 | * unique like blobs. */ | |
aac64c17 | 3096 | flags = OPEN_RELOAD; |
e733ee54 JF |
3097 | request = REQ_VIEW_TREE; |
3098 | break; | |
3099 | ||
3100 | case LINE_TREE_FILE: | |
aac64c17 | 3101 | flags = display[0] == view ? OPEN_SPLIT : OPEN_DEFAULT; |
e733ee54 JF |
3102 | request = REQ_VIEW_BLOB; |
3103 | break; | |
3104 | ||
3105 | default: | |
3106 | return TRUE; | |
3107 | } | |
3108 | ||
3109 | open_view(view, request, flags); | |
69efc854 JF |
3110 | if (request == REQ_VIEW_TREE) { |
3111 | view->lineno = tree_lineno; | |
3112 | } | |
e733ee54 | 3113 | |
586c423d | 3114 | return REQ_NONE; |
e733ee54 JF |
3115 | } |
3116 | ||
d720de4b JF |
3117 | static void |
3118 | tree_select(struct view *view, struct line *line) | |
3119 | { | |
035ba11f | 3120 | char *text = line->data + STRING_SIZE("100644 blob "); |
73c76ef5 JF |
3121 | |
3122 | if (line->type == LINE_TREE_FILE) { | |
2463b4ea | 3123 | string_copy_rev(ref_blob, text); |
d720de4b | 3124 | |
ebbaf4fe JF |
3125 | } else if (line->type != LINE_TREE_DIR) { |
3126 | return; | |
d720de4b | 3127 | } |
ebbaf4fe | 3128 | |
2463b4ea | 3129 | string_copy_rev(view->ref, text); |
d720de4b JF |
3130 | } |
3131 | ||
e733ee54 JF |
3132 | static struct view_ops tree_ops = { |
3133 | "file", | |
f098944b | 3134 | NULL, |
e733ee54 | 3135 | tree_read, |
f098944b | 3136 | pager_draw, |
586c423d | 3137 | tree_request, |
e733ee54 | 3138 | pager_grep, |
d720de4b | 3139 | tree_select, |
e733ee54 JF |
3140 | }; |
3141 | ||
3142 | static bool | |
3143 | blob_read(struct view *view, char *line) | |
3144 | { | |
c115e7ac | 3145 | return add_line_text(view, line, LINE_DEFAULT) != NULL; |
e733ee54 JF |
3146 | } |
3147 | ||
3148 | static struct view_ops blob_ops = { | |
3149 | "line", | |
f098944b | 3150 | NULL, |
e733ee54 | 3151 | blob_read, |
f098944b | 3152 | pager_draw, |
586c423d | 3153 | pager_request, |
e733ee54 | 3154 | pager_grep, |
d720de4b | 3155 | pager_select, |
e733ee54 JF |
3156 | }; |
3157 | ||
3158 | ||
3159 | /* | |
173d76ea JF |
3160 | * Status backend |
3161 | */ | |
3162 | ||
3163 | struct status { | |
3164 | char status; | |
3165 | struct { | |
3166 | mode_t mode; | |
3167 | char rev[SIZEOF_REV]; | |
5ba030cf | 3168 | char name[SIZEOF_STR]; |
173d76ea JF |
3169 | } old; |
3170 | struct { | |
3171 | mode_t mode; | |
3172 | char rev[SIZEOF_REV]; | |
5ba030cf | 3173 | char name[SIZEOF_STR]; |
173d76ea | 3174 | } new; |
173d76ea JF |
3175 | }; |
3176 | ||
b33611d8 JF |
3177 | static struct status stage_status; |
3178 | static enum line_type stage_line_type; | |
3179 | ||
173d76ea JF |
3180 | /* Get fields from the diff line: |
3181 | * :100644 100644 06a5d6ae9eca55be2e0e585a152e6b1336f2b20e 0000000000000000000000000000000000000000 M | |
3182 | */ | |
3183 | static inline bool | |
3184 | status_get_diff(struct status *file, char *buf, size_t bufsize) | |
3185 | { | |
3186 | char *old_mode = buf + 1; | |
3187 | char *new_mode = buf + 8; | |
3188 | char *old_rev = buf + 15; | |
3189 | char *new_rev = buf + 56; | |
3190 | char *status = buf + 97; | |
3191 | ||
5ba030cf | 3192 | if (bufsize < 99 || |
173d76ea JF |
3193 | old_mode[-1] != ':' || |
3194 | new_mode[-1] != ' ' || | |
3195 | old_rev[-1] != ' ' || | |
3196 | new_rev[-1] != ' ' || | |
3197 | status[-1] != ' ') | |
3198 | return FALSE; | |
3199 | ||
3200 | file->status = *status; | |
3201 | ||
3202 | string_copy_rev(file->old.rev, old_rev); | |
3203 | string_copy_rev(file->new.rev, new_rev); | |
3204 | ||
3205 | file->old.mode = strtoul(old_mode, NULL, 8); | |
3206 | file->new.mode = strtoul(new_mode, NULL, 8); | |
3207 | ||
5ba030cf | 3208 | file->old.name[0] = file->new.name[0] = 0; |
173d76ea JF |
3209 | |
3210 | return TRUE; | |
3211 | } | |
3212 | ||
3213 | static bool | |
3214 | status_run(struct view *view, const char cmd[], bool diff, enum line_type type) | |
3215 | { | |
3216 | struct status *file = NULL; | |
b5c18d9d | 3217 | struct status *unmerged = NULL; |
173d76ea JF |
3218 | char buf[SIZEOF_STR * 4]; |
3219 | size_t bufsize = 0; | |
3220 | FILE *pipe; | |
3221 | ||
3222 | pipe = popen(cmd, "r"); | |
3223 | if (!pipe) | |
3224 | return FALSE; | |
3225 | ||
3226 | add_line_data(view, NULL, type); | |
3227 | ||
3228 | while (!feof(pipe) && !ferror(pipe)) { | |
3229 | char *sep; | |
3230 | size_t readsize; | |
3231 | ||
3232 | readsize = fread(buf + bufsize, 1, sizeof(buf) - bufsize, pipe); | |
3233 | if (!readsize) | |
3234 | break; | |
3235 | bufsize += readsize; | |
3236 | ||
3237 | /* Process while we have NUL chars. */ | |
3238 | while ((sep = memchr(buf, 0, bufsize))) { | |
3239 | size_t sepsize = sep - buf + 1; | |
3240 | ||
3241 | if (!file) { | |
3242 | if (!realloc_lines(view, view->line_size + 1)) | |
3243 | goto error_out; | |
3244 | ||
3245 | file = calloc(1, sizeof(*file)); | |
3246 | if (!file) | |
3247 | goto error_out; | |
3248 | ||
3249 | add_line_data(view, file, type); | |
3250 | } | |
3251 | ||
3252 | /* Parse diff info part. */ | |
3253 | if (!diff) { | |
3254 | file->status = '?'; | |
3255 | ||
3256 | } else if (!file->status) { | |
3257 | if (!status_get_diff(file, buf, sepsize)) | |
3258 | goto error_out; | |
3259 | ||
3260 | bufsize -= sepsize; | |
3261 | memmove(buf, sep + 1, bufsize); | |
3262 | ||
3263 | sep = memchr(buf, 0, bufsize); | |
3264 | if (!sep) | |
3265 | break; | |
3266 | sepsize = sep - buf + 1; | |
b5c18d9d JF |
3267 | |
3268 | /* Collapse all 'M'odified entries that | |
3269 | * follow a associated 'U'nmerged entry. | |
3270 | */ | |
3271 | if (file->status == 'U') { | |
3272 | unmerged = file; | |
3273 | ||
3274 | } else if (unmerged) { | |
5ba030cf | 3275 | int collapse = !strcmp(buf, unmerged->new.name); |
b5c18d9d JF |
3276 | |
3277 | unmerged = NULL; | |
3278 | if (collapse) { | |
3279 | free(file); | |
3280 | view->lines--; | |
3281 | continue; | |
3282 | } | |
3283 | } | |
173d76ea JF |
3284 | } |
3285 | ||
5ba030cf JF |
3286 | /* Grab the old name for rename/copy. */ |
3287 | if (!*file->old.name && | |
3288 | (file->status == 'R' || file->status == 'C')) { | |
3289 | sepsize = sep - buf + 1; | |
3290 | string_ncopy(file->old.name, buf, sepsize); | |
3291 | bufsize -= sepsize; | |
3292 | memmove(buf, sep + 1, bufsize); | |
3293 | ||
3294 | sep = memchr(buf, 0, bufsize); | |
3295 | if (!sep) | |
3296 | break; | |
3297 | sepsize = sep - buf + 1; | |
3298 | } | |
3299 | ||
173d76ea JF |
3300 | /* git-ls-files just delivers a NUL separated |
3301 | * list of file names similar to the second half | |
3302 | * of the git-diff-* output. */ | |
5ba030cf JF |
3303 | string_ncopy(file->new.name, buf, sepsize); |
3304 | if (!*file->old.name) | |
3305 | string_copy(file->old.name, file->new.name); | |
173d76ea JF |
3306 | bufsize -= sepsize; |
3307 | memmove(buf, sep + 1, bufsize); | |
3308 | file = NULL; | |
3309 | } | |
3310 | } | |
3311 | ||
3312 | if (ferror(pipe)) { | |
3313 | error_out: | |
3314 | pclose(pipe); | |
3315 | return FALSE; | |
3316 | } | |
3317 | ||
3318 | if (!view->line[view->lines - 1].data) | |
3319 | add_line_data(view, NULL, LINE_STAT_NONE); | |
3320 | ||
3321 | pclose(pipe); | |
3322 | return TRUE; | |
3323 | } | |
3324 | ||
b5c18d9d | 3325 | /* Don't show unmerged entries in the staged section. */ |
5ba030cf | 3326 | #define STATUS_DIFF_INDEX_CMD "git diff-index -z --diff-filter=ACDMRTXB --cached -M HEAD" |
173d76ea JF |
3327 | #define STATUS_DIFF_FILES_CMD "git diff-files -z" |
3328 | #define STATUS_LIST_OTHER_CMD \ | |
810f0078 | 3329 | "git ls-files -z --others --exclude-per-directory=.gitignore" |
173d76ea | 3330 | |
f99c6095 | 3331 | #define STATUS_DIFF_INDEX_SHOW_CMD \ |
5ba030cf | 3332 | "git diff-index --root --patch-with-stat -C -M --cached HEAD -- %s %s 2>/dev/null" |
f99c6095 JF |
3333 | |
3334 | #define STATUS_DIFF_FILES_SHOW_CMD \ | |
5ba030cf | 3335 | "git diff-files --root --patch-with-stat -C -M -- %s %s 2>/dev/null" |
89d917a2 | 3336 | |
173d76ea JF |
3337 | /* First parse staged info using git-diff-index(1), then parse unstaged |
3338 | * info using git-diff-files(1), and finally untracked files using | |
3339 | * git-ls-files(1). */ | |
3340 | static bool | |
3341 | status_open(struct view *view) | |
3342 | { | |
810f0078 JF |
3343 | struct stat statbuf; |
3344 | char exclude[SIZEOF_STR]; | |
3345 | char cmd[SIZEOF_STR]; | |
12e8c2be | 3346 | unsigned long prev_lineno = view->lineno; |
173d76ea JF |
3347 | size_t i; |
3348 | ||
3349 | for (i = 0; i < view->lines; i++) | |
3350 | free(view->line[i].data); | |
3351 | free(view->line); | |
12e8c2be | 3352 | view->lines = view->line_size = view->lineno = 0; |
173d76ea JF |
3353 | view->line = NULL; |
3354 | ||
3355 | if (!realloc_lines(view, view->line_size + 6)) | |
3356 | return FALSE; | |
3357 | ||
810f0078 JF |
3358 | if (!string_format(exclude, "%s/info/exclude", opt_git_dir)) |
3359 | return FALSE; | |
3360 | ||
3361 | string_copy(cmd, STATUS_LIST_OTHER_CMD); | |
3362 | ||
3363 | if (stat(exclude, &statbuf) >= 0) { | |
3364 | size_t cmdsize = strlen(cmd); | |
3365 | ||
3366 | if (!string_format_from(cmd, &cmdsize, " %s", "--exclude-from=") || | |
3367 | sq_quote(cmd, cmdsize, exclude) >= sizeof(cmd)) | |
3368 | return FALSE; | |
3369 | } | |
3370 | ||
173d76ea JF |
3371 | if (!status_run(view, STATUS_DIFF_INDEX_CMD, TRUE, LINE_STAT_STAGED) || |
3372 | !status_run(view, STATUS_DIFF_FILES_CMD, TRUE, LINE_STAT_UNSTAGED) || | |
810f0078 | 3373 | !status_run(view, cmd, FALSE, LINE_STAT_UNTRACKED)) |
173d76ea JF |
3374 | return FALSE; |
3375 | ||
12e8c2be JF |
3376 | /* If all went well restore the previous line number to stay in |
3377 | * the context. */ | |
3378 | if (prev_lineno < view->lines) | |
3379 | view->lineno = prev_lineno; | |
3380 | else | |
3381 | view->lineno = view->lines - 1; | |
3382 | ||
173d76ea JF |
3383 | return TRUE; |
3384 | } | |
3385 | ||
3386 | static bool | |
3387 | status_draw(struct view *view, struct line *line, unsigned int lineno, bool selected) | |
3388 | { | |
3389 | struct status *status = line->data; | |
3390 | ||
3391 | wmove(view->win, lineno, 0); | |
3392 | ||
3393 | if (selected) { | |
3394 | wattrset(view->win, get_line_attr(LINE_CURSOR)); | |
3395 | wchgat(view->win, -1, 0, LINE_CURSOR, NULL); | |
3396 | ||
3397 | } else if (!status && line->type != LINE_STAT_NONE) { | |
3398 | wattrset(view->win, get_line_attr(LINE_STAT_SECTION)); | |
3399 | wchgat(view->win, -1, 0, LINE_STAT_SECTION, NULL); | |
3400 | ||
3401 | } else { | |
3402 | wattrset(view->win, get_line_attr(line->type)); | |
3403 | } | |
3404 | ||
3405 | if (!status) { | |
3406 | char *text; | |
3407 | ||
3408 | switch (line->type) { | |
3409 | case LINE_STAT_STAGED: | |
3410 | text = "Changes to be committed:"; | |
3411 | break; | |
3412 | ||
3413 | case LINE_STAT_UNSTAGED: | |
3414 | text = "Changed but not updated:"; | |
3415 | break; | |
3416 | ||
3417 | case LINE_STAT_UNTRACKED: | |
3418 | text = "Untracked files:"; | |
3419 | break; | |
3420 | ||
3421 | case LINE_STAT_NONE: | |
3422 | text = " (no files)"; | |
3423 | break; | |
3424 | ||
3425 | default: | |
3426 | return FALSE; | |
3427 | } | |
3428 | ||
3429 | waddstr(view->win, text); | |
3430 | return TRUE; | |
3431 | } | |
3432 | ||
3433 | waddch(view->win, status->status); | |
3434 | if (!selected) | |
3435 | wattrset(view->win, A_NORMAL); | |
3436 | wmove(view->win, lineno, 4); | |
5ba030cf | 3437 | waddstr(view->win, status->new.name); |
173d76ea JF |
3438 | |
3439 | return TRUE; | |
3440 | } | |
3441 | ||
586c423d | 3442 | static enum request |
88f66e2d | 3443 | status_enter(struct view *view, struct line *line) |
173d76ea | 3444 | { |
89d917a2 | 3445 | struct status *status = line->data; |
5ba030cf JF |
3446 | char oldpath[SIZEOF_STR] = ""; |
3447 | char newpath[SIZEOF_STR] = ""; | |
89d917a2 JF |
3448 | char *info; |
3449 | size_t cmdsize = 0; | |
3450 | ||
4e8159cf JF |
3451 | if (line->type == LINE_STAT_NONE || |
3452 | (!status && line[1].type == LINE_STAT_NONE)) { | |
3453 | report("No file to diff"); | |
586c423d | 3454 | return REQ_NONE; |
89d917a2 JF |
3455 | } |
3456 | ||
5ba030cf JF |
3457 | if (status) { |
3458 | if (sq_quote(oldpath, 0, status->old.name) >= sizeof(oldpath)) | |
3459 | return REQ_QUIT; | |
3460 | /* Diffs for unmerged entries are empty when pasing the | |
3461 | * new path, so leave it empty. */ | |
3462 | if (status->status != 'U' && | |
3463 | sq_quote(newpath, 0, status->new.name) >= sizeof(newpath)) | |
3464 | return REQ_QUIT; | |
3465 | } | |
89d917a2 JF |
3466 | |
3467 | if (opt_cdup[0] && | |
3468 | line->type != LINE_STAT_UNTRACKED && | |
3469 | !string_format_from(opt_cmd, &cmdsize, "cd %s;", opt_cdup)) | |
586c423d | 3470 | return REQ_QUIT; |
89d917a2 JF |
3471 | |
3472 | switch (line->type) { | |
3473 | case LINE_STAT_STAGED: | |
f99c6095 | 3474 | if (!string_format_from(opt_cmd, &cmdsize, |
5ba030cf | 3475 | STATUS_DIFF_INDEX_SHOW_CMD, oldpath, newpath)) |
586c423d | 3476 | return REQ_QUIT; |
4e8159cf JF |
3477 | if (status) |
3478 | info = "Staged changes to %s"; | |
3479 | else | |
3480 | info = "Staged changes"; | |
89d917a2 JF |
3481 | break; |
3482 | ||
3483 | case LINE_STAT_UNSTAGED: | |
f99c6095 | 3484 | if (!string_format_from(opt_cmd, &cmdsize, |
5ba030cf | 3485 | STATUS_DIFF_FILES_SHOW_CMD, oldpath, newpath)) |
586c423d | 3486 | return REQ_QUIT; |
4e8159cf JF |
3487 | if (status) |
3488 | info = "Unstaged changes to %s"; | |
3489 | else | |
3490 | info = "Unstaged changes"; | |
89d917a2 JF |
3491 | break; |
3492 | ||
3493 | case LINE_STAT_UNTRACKED: | |
3494 | if (opt_pipe) | |
586c423d JF |
3495 | return REQ_QUIT; |
3496 | ||
4e8159cf JF |
3497 | |
3498 | if (!status) { | |
3499 | report("No file to show"); | |
586c423d | 3500 | return REQ_NONE; |
4e8159cf JF |
3501 | } |
3502 | ||
5ba030cf | 3503 | opt_pipe = fopen(status->new.name, "r"); |
89d917a2 JF |
3504 | info = "Untracked file %s"; |
3505 | break; | |
3506 | ||
3507 | default: | |
e77aa656 | 3508 | die("line type %d not handled in switch", line->type); |
89d917a2 JF |
3509 | } |
3510 | ||
3e634113 JF |
3511 | open_view(view, REQ_VIEW_STAGE, OPEN_RELOAD | OPEN_SPLIT); |
3512 | if (view_is_displayed(VIEW(REQ_VIEW_STAGE))) { | |
b33611d8 JF |
3513 | if (status) { |
3514 | stage_status = *status; | |
3515 | } else { | |
3516 | memset(&stage_status, 0, sizeof(stage_status)); | |
3517 | } | |
3518 | ||
3519 | stage_line_type = line->type; | |
5ba030cf | 3520 | string_format(VIEW(REQ_VIEW_STAGE)->ref, info, stage_status.new.name); |
89d917a2 JF |
3521 | } |
3522 | ||
586c423d | 3523 | return REQ_NONE; |
ca1d71ea JF |
3524 | } |
3525 | ||
88f66e2d | 3526 | |
ca1d71ea JF |
3527 | static bool |
3528 | status_update_file(struct view *view, struct status *status, enum line_type type) | |
3529 | { | |
91c5d983 | 3530 | char cmd[SIZEOF_STR]; |
173d76ea | 3531 | char buf[SIZEOF_STR]; |
91c5d983 | 3532 | size_t cmdsize = 0; |
173d76ea JF |
3533 | size_t bufsize = 0; |
3534 | size_t written = 0; | |
3535 | FILE *pipe; | |
3536 | ||
91c5d983 | 3537 | if (opt_cdup[0] && |
ca1d71ea | 3538 | type != LINE_STAT_UNTRACKED && |
91c5d983 JF |
3539 | !string_format_from(cmd, &cmdsize, "cd %s;", opt_cdup)) |
3540 | return FALSE; | |
3541 | ||
ca1d71ea | 3542 | switch (type) { |
173d76ea JF |
3543 | case LINE_STAT_STAGED: |
3544 | if (!string_format_from(buf, &bufsize, "%06o %s\t%s%c", | |
3545 | status->old.mode, | |
3546 | status->old.rev, | |
5ba030cf | 3547 | status->old.name, 0)) |
173d76ea | 3548 | return FALSE; |
91c5d983 JF |
3549 | |
3550 | string_add(cmd, cmdsize, "git update-index -z --index-info"); | |
173d76ea JF |
3551 | break; |
3552 | ||
3553 | case LINE_STAT_UNSTAGED: | |
3554 | case LINE_STAT_UNTRACKED: | |
5ba030cf | 3555 | if (!string_format_from(buf, &bufsize, "%s%c", status->new.name, 0)) |
173d76ea | 3556 | return FALSE; |
91c5d983 JF |
3557 | |
3558 | string_add(cmd, cmdsize, "git update-index -z --add --remove --stdin"); | |
173d76ea JF |
3559 | break; |
3560 | ||
3561 | default: | |
e77aa656 | 3562 | die("line type %d not handled in switch", type); |
173d76ea JF |
3563 | } |
3564 | ||
3565 | pipe = popen(cmd, "w"); | |
3566 | if (!pipe) | |
3567 | return FALSE; | |
3568 | ||
3569 | while (!ferror(pipe) && written < bufsize) { | |
3570 | written += fwrite(buf + written, 1, bufsize - written, pipe); | |
3571 | } | |
3572 | ||
3573 | pclose(pipe); | |
3574 | ||
3575 | if (written != bufsize) | |
3576 | return FALSE; | |
3577 | ||
173d76ea JF |
3578 | return TRUE; |
3579 | } | |
3580 | ||
3581 | static void | |
ca1d71ea JF |
3582 | status_update(struct view *view) |
3583 | { | |
dec7b437 | 3584 | struct line *line = &view->line[view->lineno]; |
351917f8 | 3585 | |
dec7b437 | 3586 | assert(view->lines); |
11359638 | 3587 | |
dec7b437 JF |
3588 | if (!line->data) { |
3589 | while (++line < view->line + view->lines && line->data) { | |
3590 | if (!status_update_file(view, line->data, line->type)) | |
3591 | report("Failed to update file status"); | |
3592 | } | |
11359638 | 3593 | |
dec7b437 JF |
3594 | if (!line[-1].data) { |
3595 | report("Nothing to update"); | |
3596 | return; | |
93e4c4f6 JF |
3597 | } |
3598 | ||
dec7b437 JF |
3599 | } else if (!status_update_file(view, line->data, line->type)) { |
3600 | report("Failed to update file status"); | |
ca1d71ea JF |
3601 | } |
3602 | } | |
3603 | ||
88f66e2d JF |
3604 | static enum request |
3605 | status_request(struct view *view, enum request request, struct line *line) | |
3606 | { | |
0cea0d43 JF |
3607 | struct status *status = line->data; |
3608 | ||
88f66e2d JF |
3609 | switch (request) { |
3610 | case REQ_STATUS_UPDATE: | |
3611 | status_update(view); | |
3612 | break; | |
3613 | ||
b5c18d9d | 3614 | case REQ_STATUS_MERGE: |
91521b9d JF |
3615 | if (!status || status->status != 'U') { |
3616 | report("Merging only possible for files with unmerged status ('U')."); | |
3617 | return REQ_NONE; | |
3618 | } | |
5ba030cf | 3619 | open_mergetool(status->new.name); |
b5c18d9d JF |
3620 | break; |
3621 | ||
0cea0d43 JF |
3622 | case REQ_EDIT: |
3623 | if (!status) | |
3624 | return request; | |
3625 | ||
5ba030cf | 3626 | open_editor(status->status != '?', status->new.name); |
0cea0d43 JF |
3627 | break; |
3628 | ||
88f66e2d | 3629 | case REQ_ENTER: |
17a27c16 JF |
3630 | /* After returning the status view has been split to |
3631 | * show the stage view. No further reloading is | |
3632 | * necessary. */ | |
88f66e2d | 3633 | status_enter(view, line); |
17a27c16 | 3634 | return REQ_NONE; |
88f66e2d | 3635 | |
acaef3b3 | 3636 | case REQ_REFRESH: |
17a27c16 | 3637 | /* Simply reload the view. */ |
acaef3b3 JF |
3638 | break; |
3639 | ||
88f66e2d JF |
3640 | default: |
3641 | return request; | |
3642 | } | |
3643 | ||
17a27c16 JF |
3644 | open_view(view, REQ_VIEW_STATUS, OPEN_RELOAD); |
3645 | ||
88f66e2d JF |
3646 | return REQ_NONE; |
3647 | } | |
3648 | ||
ca1d71ea | 3649 | static void |
173d76ea JF |
3650 | status_select(struct view *view, struct line *line) |
3651 | { | |
11359638 JF |
3652 | struct status *status = line->data; |
3653 | char file[SIZEOF_STR] = "all files"; | |
173d76ea | 3654 | char *text; |
b5c18d9d | 3655 | char *key; |
173d76ea | 3656 | |
5ba030cf | 3657 | if (status && !string_format(file, "'%s'", status->new.name)) |
11359638 JF |
3658 | return; |
3659 | ||
3660 | if (!status && line[1].type == LINE_STAT_NONE) | |
3661 | line++; | |
3662 | ||
173d76ea JF |
3663 | switch (line->type) { |
3664 | case LINE_STAT_STAGED: | |
11359638 | 3665 | text = "Press %s to unstage %s for commit"; |
173d76ea JF |
3666 | break; |
3667 | ||
3668 | case LINE_STAT_UNSTAGED: | |
11359638 | 3669 | text = "Press %s to stage %s for commit"; |
173d76ea JF |
3670 | break; |
3671 | ||
3672 | case LINE_STAT_UNTRACKED: | |
11359638 | 3673 | text = "Press %s to stage %s for addition"; |
173d76ea JF |
3674 | break; |
3675 | ||
3676 | case LINE_STAT_NONE: | |
11359638 JF |
3677 | text = "Nothing to update"; |
3678 | break; | |
173d76ea JF |
3679 | |
3680 | default: | |
e77aa656 | 3681 | die("line type %d not handled in switch", line->type); |
173d76ea JF |
3682 | } |
3683 | ||
b5c18d9d JF |
3684 | if (status && status->status == 'U') { |
3685 | text = "Press %s to resolve conflict in %s"; | |
3686 | key = get_key(REQ_STATUS_MERGE); | |
3687 | ||
3688 | } else { | |
3689 | key = get_key(REQ_STATUS_UPDATE); | |
3690 | } | |
3691 | ||
3692 | string_format(view->ref, text, key, file); | |
173d76ea JF |
3693 | } |
3694 | ||
3695 | static bool | |
3696 | status_grep(struct view *view, struct line *line) | |
3697 | { | |
3698 | struct status *status = line->data; | |
3699 | enum { S_STATUS, S_NAME, S_END } state; | |
3700 | char buf[2] = "?"; | |
3701 | regmatch_t pmatch; | |
3702 | ||
3703 | if (!status) | |
3704 | return FALSE; | |
3705 | ||
3706 | for (state = S_STATUS; state < S_END; state++) { | |
3707 | char *text; | |
3708 | ||
3709 | switch (state) { | |
5ba030cf | 3710 | case S_NAME: text = status->new.name; break; |
173d76ea JF |
3711 | case S_STATUS: |
3712 | buf[0] = status->status; | |
3713 | text = buf; | |
3714 | break; | |
3715 | ||
3716 | default: | |
3717 | return FALSE; | |
3718 | } | |
3719 | ||
3720 | if (regexec(view->regex, text, 1, &pmatch, 0) != REG_NOMATCH) | |
3721 | return TRUE; | |
3722 | } | |
3723 | ||
3724 | return FALSE; | |
3725 | } | |
3726 | ||
3727 | static struct view_ops status_ops = { | |
3728 | "file", | |
3729 | status_open, | |
3730 | NULL, | |
3731 | status_draw, | |
586c423d | 3732 | status_request, |
173d76ea JF |
3733 | status_grep, |
3734 | status_select, | |
3735 | }; | |
3736 | ||
b33611d8 JF |
3737 | |
3738 | static bool | |
3739 | stage_diff_line(FILE *pipe, struct line *line) | |
3740 | { | |
3741 | char *buf = line->data; | |
3742 | size_t bufsize = strlen(buf); | |
3743 | size_t written = 0; | |
3744 | ||
3745 | while (!ferror(pipe) && written < bufsize) { | |
3746 | written += fwrite(buf + written, 1, bufsize - written, pipe); | |
3747 | } | |
3748 | ||
3749 | fputc('\n', pipe); | |
3750 | ||
3751 | return written == bufsize; | |
3752 | } | |
3753 | ||
3754 | static struct line * | |
3755 | stage_diff_hdr(struct view *view, struct line *line) | |
3756 | { | |
3757 | int diff_hdr_dir = line->type == LINE_DIFF_CHUNK ? -1 : 1; | |
3758 | struct line *diff_hdr; | |
3759 | ||
3760 | if (line->type == LINE_DIFF_CHUNK) | |
3761 | diff_hdr = line - 1; | |
3762 | else | |
3763 | diff_hdr = view->line + 1; | |
3764 | ||
3765 | while (diff_hdr > view->line && diff_hdr < view->line + view->lines) { | |
3766 | if (diff_hdr->type == LINE_DIFF_HEADER) | |
3767 | return diff_hdr; | |
3768 | ||
3769 | diff_hdr += diff_hdr_dir; | |
3770 | } | |
3771 | ||
3772 | return NULL; | |
3773 | } | |
3774 | ||
3775 | static bool | |
3776 | stage_update_chunk(struct view *view, struct line *line) | |
3777 | { | |
3778 | char cmd[SIZEOF_STR]; | |
3779 | size_t cmdsize = 0; | |
3780 | struct line *diff_hdr, *diff_chunk, *diff_end; | |
3781 | FILE *pipe; | |
3782 | ||
3783 | diff_hdr = stage_diff_hdr(view, line); | |
3784 | if (!diff_hdr) | |
3785 | return FALSE; | |
3786 | ||
3787 | if (opt_cdup[0] && | |
3788 | !string_format_from(cmd, &cmdsize, "cd %s;", opt_cdup)) | |
3789 | return FALSE; | |
3790 | ||
3791 | if (!string_format_from(cmd, &cmdsize, | |
3792 | "git apply --cached %s - && " | |
3793 | "git update-index -q --unmerged --refresh 2>/dev/null", | |
3794 | stage_line_type == LINE_STAT_STAGED ? "-R" : "")) | |
3795 | return FALSE; | |
3796 | ||
3797 | pipe = popen(cmd, "w"); | |
3798 | if (!pipe) | |
3799 | return FALSE; | |
3800 | ||
3801 | diff_end = view->line + view->lines; | |
3802 | if (line->type != LINE_DIFF_CHUNK) { | |
3803 | diff_chunk = diff_hdr; | |
3804 | ||
3805 | } else { | |
3806 | for (diff_chunk = line + 1; diff_chunk < diff_end; diff_chunk++) | |
3807 | if (diff_chunk->type == LINE_DIFF_CHUNK || | |
3808 | diff_chunk->type == LINE_DIFF_HEADER) | |
3809 | diff_end = diff_chunk; | |
3810 | ||
3811 | diff_chunk = line; | |
3812 | ||
3813 | while (diff_hdr->type != LINE_DIFF_CHUNK) { | |
3814 | switch (diff_hdr->type) { | |
3815 | case LINE_DIFF_HEADER: | |
3816 | case LINE_DIFF_INDEX: | |
3817 | case LINE_DIFF_ADD: | |
3818 | case LINE_DIFF_DEL: | |
3819 | break; | |
3820 | ||
3821 | default: | |
3822 | diff_hdr++; | |
3823 | continue; | |
3824 | } | |
3825 | ||
3826 | if (!stage_diff_line(pipe, diff_hdr++)) { | |
3827 | pclose(pipe); | |
3828 | return FALSE; | |
3829 | } | |
3830 | } | |
3831 | } | |
3832 | ||
3833 | while (diff_chunk < diff_end && stage_diff_line(pipe, diff_chunk)) | |
3834 | diff_chunk++; | |
3835 | ||
3836 | pclose(pipe); | |
3837 | ||
3838 | if (diff_chunk != diff_end) | |
3839 | return FALSE; | |
3840 | ||
3841 | return TRUE; | |
3842 | } | |
3843 | ||
3844 | static void | |
3845 | stage_update(struct view *view, struct line *line) | |
3846 | { | |
3847 | if (stage_line_type != LINE_STAT_UNTRACKED && | |
3848 | (line->type == LINE_DIFF_CHUNK || !stage_status.status)) { | |
3849 | if (!stage_update_chunk(view, line)) { | |
3850 | report("Failed to apply chunk"); | |
3851 | return; | |
3852 | } | |
3853 | ||
3854 | } else if (!status_update_file(view, &stage_status, stage_line_type)) { | |
3855 | report("Failed to update file"); | |
3856 | return; | |
3857 | } | |
3858 | ||
3859 | open_view(view, REQ_VIEW_STATUS, OPEN_RELOAD); | |
3860 | ||
3861 | view = VIEW(REQ_VIEW_STATUS); | |
3862 | if (view_is_displayed(view)) | |
3863 | status_enter(view, &view->line[view->lineno]); | |
3864 | } | |
3865 | ||
3866 | static enum request | |
3867 | stage_request(struct view *view, enum request request, struct line *line) | |
3868 | { | |
3869 | switch (request) { | |
3870 | case REQ_STATUS_UPDATE: | |
3871 | stage_update(view, line); | |
3872 | break; | |
3873 | ||
3874 | case REQ_EDIT: | |
5ba030cf | 3875 | if (!stage_status.new.name[0]) |
b33611d8 JF |
3876 | return request; |
3877 | ||
5ba030cf | 3878 | open_editor(stage_status.status != '?', stage_status.new.name); |
b33611d8 JF |
3879 | break; |
3880 | ||
3881 | case REQ_ENTER: | |
3882 | pager_request(view, request, line); | |
3883 | break; | |
3884 | ||
3885 | default: | |
3886 | return request; | |
3887 | } | |
3888 | ||
3889 | return REQ_NONE; | |
3890 | } | |
3891 | ||
3e634113 JF |
3892 | static struct view_ops stage_ops = { |
3893 | "line", | |
3894 | NULL, | |
3895 | pager_read, | |
3896 | pager_draw, | |
b33611d8 | 3897 | stage_request, |
3e634113 JF |
3898 | pager_grep, |
3899 | pager_select, | |
3900 | }; | |
173d76ea | 3901 | |
b33611d8 | 3902 | |
173d76ea | 3903 | /* |
ccc33449 | 3904 | * Revision graph |
ff26aa29 JF |
3905 | */ |
3906 | ||
3907 | struct commit { | |
10446330 | 3908 | char id[SIZEOF_REV]; /* SHA1 ID. */ |
aea510c8 | 3909 | char title[128]; /* First line of the commit message. */ |
54efb62b JF |
3910 | char author[75]; /* Author of the commit. */ |
3911 | struct tm time; /* Date from the author ident. */ | |
3912 | struct ref **refs; /* Repository references. */ | |
3913 | chtype graph[SIZEOF_REVGRAPH]; /* Ancestry chain graphics. */ | |
3914 | size_t graph_size; /* The width of the graph array. */ | |
ff26aa29 | 3915 | }; |
c34d9c9f | 3916 | |
ccc33449 JF |
3917 | /* Size of rev graph with no "padding" columns */ |
3918 | #define SIZEOF_REVITEMS (SIZEOF_REVGRAPH - (SIZEOF_REVGRAPH / 2)) | |
2b757533 | 3919 | |
2ce5c87c JF |
3920 | struct rev_graph { |
3921 | struct rev_graph *prev, *next, *parents; | |
2b757533 JF |
3922 | char rev[SIZEOF_REVITEMS][SIZEOF_REV]; |
3923 | size_t size; | |
88757ebd JF |
3924 | struct commit *commit; |
3925 | size_t pos; | |
e81e9c2c | 3926 | unsigned int boundary:1; |
2b757533 JF |
3927 | }; |
3928 | ||
2b757533 | 3929 | /* Parents of the commit being visualized. */ |
446a5c36 | 3930 | static struct rev_graph graph_parents[4]; |
c8d60a25 | 3931 | |
c65a501a | 3932 | /* The current stack of revisions on the graph. */ |
446a5c36 JF |
3933 | static struct rev_graph graph_stacks[4] = { |
3934 | { &graph_stacks[3], &graph_stacks[1], &graph_parents[0] }, | |
c65a501a | 3935 | { &graph_stacks[0], &graph_stacks[2], &graph_parents[1] }, |
446a5c36 JF |
3936 | { &graph_stacks[1], &graph_stacks[3], &graph_parents[2] }, |
3937 | { &graph_stacks[2], &graph_stacks[0], &graph_parents[3] }, | |
c65a501a JF |
3938 | }; |
3939 | ||
9e43b9cd | 3940 | static inline bool |
2ce5c87c | 3941 | graph_parent_is_merge(struct rev_graph *graph) |
9e43b9cd JF |
3942 | { |
3943 | return graph->parents->size > 1; | |
3944 | } | |
3945 | ||
88757ebd | 3946 | static inline void |
2ce5c87c | 3947 | append_to_rev_graph(struct rev_graph *graph, chtype symbol) |
88757ebd | 3948 | { |
2c27faac JF |
3949 | struct commit *commit = graph->commit; |
3950 | ||
3951 | if (commit->graph_size < ARRAY_SIZE(commit->graph) - 1) | |
3952 | commit->graph[commit->graph_size++] = symbol; | |
88757ebd JF |
3953 | } |
3954 | ||
2b757533 | 3955 | static void |
2ce5c87c | 3956 | done_rev_graph(struct rev_graph *graph) |
987890af JF |
3957 | { |
3958 | if (graph_parent_is_merge(graph) && | |
3959 | graph->pos < graph->size - 1 && | |
3960 | graph->next->size == graph->size + graph->parents->size - 1) { | |
3961 | size_t i = graph->pos + graph->parents->size - 1; | |
3962 | ||
3963 | graph->commit->graph_size = i * 2; | |
3964 | while (i < graph->next->size - 1) { | |
3965 | append_to_rev_graph(graph, ' '); | |
3966 | append_to_rev_graph(graph, '\\'); | |
3967 | i++; | |
3968 | } | |
3969 | } | |
3970 | ||
3971 | graph->size = graph->pos = 0; | |
3972 | graph->commit = NULL; | |
3973 | memset(graph->parents, 0, sizeof(*graph->parents)); | |
3974 | } | |
3975 | ||
3976 | static void | |
2ce5c87c | 3977 | push_rev_graph(struct rev_graph *graph, char *parent) |
2b757533 | 3978 | { |
2fe894e6 JF |
3979 | int i; |
3980 | ||
3981 | /* "Collapse" duplicate parents lines. | |
3982 | * | |
3983 | * FIXME: This needs to also update update the drawn graph but | |
3984 | * for now it just serves as a method for pruning graph lines. */ | |
3985 | for (i = 0; i < graph->size; i++) | |
3986 | if (!strncmp(graph->rev[i], parent, SIZEOF_REV)) | |
3987 | return; | |
2b757533 | 3988 | |
2ce5c87c | 3989 | if (graph->size < SIZEOF_REVITEMS) { |
739e81de | 3990 | string_copy_rev(graph->rev[graph->size++], parent); |
2b757533 JF |
3991 | } |
3992 | } | |
3993 | ||
92507a24 JF |
3994 | static chtype |
3995 | get_rev_graph_symbol(struct rev_graph *graph) | |
2b757533 | 3996 | { |
92507a24 | 3997 | chtype symbol; |
2b757533 | 3998 | |
e81e9c2c JF |
3999 | if (graph->boundary) |
4000 | symbol = REVGRAPH_BOUND; | |
4001 | else if (graph->parents->size == 0) | |
c8d60a25 | 4002 | symbol = REVGRAPH_INIT; |
18ffaa23 | 4003 | else if (graph_parent_is_merge(graph)) |
c8d60a25 | 4004 | symbol = REVGRAPH_MERGE; |
c65a501a | 4005 | else if (graph->pos >= graph->size) |
c8d60a25 | 4006 | symbol = REVGRAPH_BRANCH; |
2b757533 | 4007 | else |
c8d60a25 | 4008 | symbol = REVGRAPH_COMMIT; |
1dcb3bec | 4009 | |
92507a24 JF |
4010 | return symbol; |
4011 | } | |
4012 | ||
4013 | static void | |
4014 | draw_rev_graph(struct rev_graph *graph) | |
4015 | { | |
e937c2c8 JF |
4016 | struct rev_filler { |
4017 | chtype separator, line; | |
4018 | }; | |
4019 | enum { DEFAULT, RSHARP, RDIAG, LDIAG }; | |
4020 | static struct rev_filler fillers[] = { | |
4021 | { ' ', REVGRAPH_LINE }, | |
4022 | { '`', '.' }, | |
4023 | { '\'', ' ' }, | |
4024 | { '/', ' ' }, | |
e937c2c8 | 4025 | }; |
92507a24 | 4026 | chtype symbol = get_rev_graph_symbol(graph); |
e937c2c8 | 4027 | struct rev_filler *filler; |
92507a24 JF |
4028 | size_t i; |
4029 | ||
e937c2c8 | 4030 | filler = &fillers[DEFAULT]; |
110e948e | 4031 | |
c65a501a | 4032 | for (i = 0; i < graph->pos; i++) { |
e937c2c8 | 4033 | append_to_rev_graph(graph, filler->line); |
9e43b9cd | 4034 | if (graph_parent_is_merge(graph->prev) && |
e937c2c8 JF |
4035 | graph->prev->pos == i) |
4036 | filler = &fillers[RSHARP]; | |
4037 | ||
4038 | append_to_rev_graph(graph, filler->separator); | |
110e948e JF |
4039 | } |
4040 | ||
92507a24 | 4041 | /* Place the symbol for this revision. */ |
c65a501a | 4042 | append_to_rev_graph(graph, symbol); |
2b757533 | 4043 | |
e937c2c8 JF |
4044 | if (graph->prev->size > graph->size) |
4045 | filler = &fillers[RDIAG]; | |
4046 | else | |
4047 | filler = &fillers[DEFAULT]; | |
4048 | ||
c8d60a25 | 4049 | i++; |
2b757533 | 4050 | |
c65a501a | 4051 | for (; i < graph->size; i++) { |
e937c2c8 JF |
4052 | append_to_rev_graph(graph, filler->separator); |
4053 | append_to_rev_graph(graph, filler->line); | |
4054 | if (graph_parent_is_merge(graph->prev) && | |
4055 | i < graph->prev->pos + graph->parents->size) | |
4056 | filler = &fillers[RSHARP]; | |
4057 | if (graph->prev->size > graph->size) | |
4058 | filler = &fillers[LDIAG]; | |
c65a501a JF |
4059 | } |
4060 | ||
4061 | if (graph->prev->size > graph->size) { | |
e937c2c8 JF |
4062 | append_to_rev_graph(graph, filler->separator); |
4063 | if (filler->line != ' ') | |
4064 | append_to_rev_graph(graph, filler->line); | |
2b757533 | 4065 | } |
b5d8f208 JF |
4066 | } |
4067 | ||
61eed810 JF |
4068 | /* Prepare the next rev graph */ |
4069 | static void | |
4070 | prepare_rev_graph(struct rev_graph *graph) | |
b5d8f208 | 4071 | { |
b5d8f208 JF |
4072 | size_t i; |
4073 | ||
320df4ea | 4074 | /* First, traverse all lines of revisions up to the active one. */ |
c65a501a JF |
4075 | for (graph->pos = 0; graph->pos < graph->size; graph->pos++) { |
4076 | if (!strcmp(graph->rev[graph->pos], graph->commit->id)) | |
b5d8f208 | 4077 | break; |
b5d8f208 | 4078 | |
2ce5c87c | 4079 | push_rev_graph(graph->next, graph->rev[graph->pos]); |
b5d8f208 JF |
4080 | } |
4081 | ||
320df4ea | 4082 | /* Interleave the new revision parent(s). */ |
e81e9c2c | 4083 | for (i = 0; !graph->boundary && i < graph->parents->size; i++) |
2ce5c87c | 4084 | push_rev_graph(graph->next, graph->parents->rev[i]); |
b5d8f208 | 4085 | |
320df4ea | 4086 | /* Lastly, put any remaining revisions. */ |
c65a501a | 4087 | for (i = graph->pos + 1; i < graph->size; i++) |
2ce5c87c | 4088 | push_rev_graph(graph->next, graph->rev[i]); |
61eed810 JF |
4089 | } |
4090 | ||
4091 | static void | |
4092 | update_rev_graph(struct rev_graph *graph) | |
4093 | { | |
446a5c36 JF |
4094 | /* If this is the finalizing update ... */ |
4095 | if (graph->commit) | |
4096 | prepare_rev_graph(graph); | |
4097 | ||
4098 | /* Graph visualization needs a one rev look-ahead, | |
4099 | * so the first update doesn't visualize anything. */ | |
4100 | if (!graph->prev->commit) | |
4101 | return; | |
c65a501a | 4102 | |
61eed810 JF |
4103 | draw_rev_graph(graph->prev); |
4104 | done_rev_graph(graph->prev->prev); | |
2b757533 JF |
4105 | } |
4106 | ||
ccc33449 JF |
4107 | |
4108 | /* | |
4109 | * Main view backend | |
4110 | */ | |
4111 | ||
4112 | static bool | |
4113 | main_draw(struct view *view, struct line *line, unsigned int lineno, bool selected) | |
4114 | { | |
4115 | char buf[DATE_COLS + 1]; | |
4116 | struct commit *commit = line->data; | |
4117 | enum line_type type; | |
4118 | int col = 0; | |
4119 | size_t timelen; | |
4120 | size_t authorlen; | |
4121 | int trimmed = 1; | |
4122 | ||
4123 | if (!*commit->author) | |
4124 | return FALSE; | |
4125 | ||
4126 | wmove(view->win, lineno, col); | |
4127 | ||
4128 | if (selected) { | |
4129 | type = LINE_CURSOR; | |
4130 | wattrset(view->win, get_line_attr(type)); | |
4131 | wchgat(view->win, -1, 0, type, NULL); | |
4132 | ||
4133 | } else { | |
4134 | type = LINE_MAIN_COMMIT; | |
4135 | wattrset(view->win, get_line_attr(LINE_MAIN_DATE)); | |
4136 | } | |
4137 | ||
4138 | timelen = strftime(buf, sizeof(buf), DATE_FORMAT, &commit->time); | |
4139 | waddnstr(view->win, buf, timelen); | |
4140 | waddstr(view->win, " "); | |
4141 | ||
4142 | col += DATE_COLS; | |
4143 | wmove(view->win, lineno, col); | |
4144 | if (type != LINE_CURSOR) | |
4145 | wattrset(view->win, get_line_attr(LINE_MAIN_AUTHOR)); | |
4146 | ||
4147 | if (opt_utf8) { | |
4148 | authorlen = utf8_length(commit->author, AUTHOR_COLS - 2, &col, &trimmed); | |
4149 | } else { | |
4150 | authorlen = strlen(commit->author); | |
4151 | if (authorlen > AUTHOR_COLS - 2) { | |
4152 | authorlen = AUTHOR_COLS - 2; | |
4153 | trimmed = 1; | |
4154 | } | |
4155 | } | |
4156 | ||
4157 | if (trimmed) { | |
4158 | waddnstr(view->win, commit->author, authorlen); | |
4159 | if (type != LINE_CURSOR) | |
4160 | wattrset(view->win, get_line_attr(LINE_MAIN_DELIM)); | |
4161 | waddch(view->win, '~'); | |
4162 | } else { | |
4163 | waddstr(view->win, commit->author); | |
4164 | } | |
4165 | ||
4166 | col += AUTHOR_COLS; | |
ccc33449 JF |
4167 | |
4168 | if (opt_rev_graph && commit->graph_size) { | |
4169 | size_t i; | |
4170 | ||
f83b1c33 DV |
4171 | if (type != LINE_CURSOR) |
4172 | wattrset(view->win, get_line_attr(LINE_MAIN_REVGRAPH)); | |
ccc33449 JF |
4173 | wmove(view->win, lineno, col); |
4174 | /* Using waddch() instead of waddnstr() ensures that | |
4175 | * they'll be rendered correctly for the cursor line. */ | |
4176 | for (i = 0; i < commit->graph_size; i++) | |
4177 | waddch(view->win, commit->graph[i]); | |
4178 | ||
8716b9ed | 4179 | waddch(view->win, ' '); |
ccc33449 JF |
4180 | col += commit->graph_size + 1; |
4181 | } | |
f83b1c33 DV |
4182 | if (type != LINE_CURSOR) |
4183 | wattrset(view->win, A_NORMAL); | |
ccc33449 JF |
4184 | |
4185 | wmove(view->win, lineno, col); | |
4186 | ||
4187 | if (commit->refs) { | |
4188 | size_t i = 0; | |
4189 | ||
4190 | do { | |
4191 | if (type == LINE_CURSOR) | |
4192 | ; | |
4193 | else if (commit->refs[i]->tag) | |
4194 | wattrset(view->win, get_line_attr(LINE_MAIN_TAG)); | |
e15ec88e JF |
4195 | else if (commit->refs[i]->remote) |
4196 | wattrset(view->win, get_line_attr(LINE_MAIN_REMOTE)); | |
ccc33449 JF |
4197 | else |
4198 | wattrset(view->win, get_line_attr(LINE_MAIN_REF)); | |
4199 | waddstr(view->win, "["); | |
4200 | waddstr(view->win, commit->refs[i]->name); | |
4201 | waddstr(view->win, "]"); | |
4202 | if (type != LINE_CURSOR) | |
4203 | wattrset(view->win, A_NORMAL); | |
4204 | waddstr(view->win, " "); | |
4205 | col += strlen(commit->refs[i]->name) + STRING_SIZE("[] "); | |
4206 | } while (commit->refs[i++]->next); | |
4207 | } | |
4208 | ||
4209 | if (type != LINE_CURSOR) | |
4210 | wattrset(view->win, get_line_attr(type)); | |
4211 | ||
4212 | { | |
4213 | int titlelen = strlen(commit->title); | |
4214 | ||
4215 | if (col + titlelen > view->width) | |
4216 | titlelen = view->width - col; | |
4217 | ||
4218 | waddnstr(view->win, commit->title, titlelen); | |
4219 | } | |
4220 | ||
4221 | return TRUE; | |
4222 | } | |
4223 | ||
4c6fabc2 | 4224 | /* Reads git log --pretty=raw output and parses it into the commit struct. */ |
6b161b31 | 4225 | static bool |
701e4f5d | 4226 | main_read(struct view *view, char *line) |
22f66b0a | 4227 | { |
2ce5c87c | 4228 | static struct rev_graph *graph = graph_stacks; |
be04d936 | 4229 | enum line_type type; |
0ff3b97c | 4230 | struct commit *commit; |
22f66b0a | 4231 | |
be04d936 | 4232 | if (!line) { |
446a5c36 | 4233 | update_rev_graph(graph); |
be04d936 JF |
4234 | return TRUE; |
4235 | } | |
4236 | ||
4237 | type = get_line_type(line); | |
0ff3b97c | 4238 | if (type == LINE_COMMIT) { |
22f66b0a JF |
4239 | commit = calloc(1, sizeof(struct commit)); |
4240 | if (!commit) | |
4241 | return FALSE; | |
4242 | ||
e81e9c2c JF |
4243 | line += STRING_SIZE("commit "); |
4244 | if (*line == '-') { | |
4245 | graph->boundary = 1; | |
4246 | line++; | |
4247 | } | |
4248 | ||
4249 | string_copy_rev(commit->id, line); | |
c34d9c9f | 4250 | commit->refs = get_refs(commit->id); |
c65a501a | 4251 | graph->commit = commit; |
e314c36d | 4252 | add_line_data(view, commit, LINE_MAIN_COMMIT); |
0ff3b97c JF |
4253 | return TRUE; |
4254 | } | |
2b757533 | 4255 | |
0ff3b97c JF |
4256 | if (!view->lines) |
4257 | return TRUE; | |
4258 | commit = view->line[view->lines - 1].data; | |
4259 | ||
4260 | switch (type) { | |
2b757533 | 4261 | case LINE_PARENT: |
0ff3b97c | 4262 | push_rev_graph(graph->parents, line + STRING_SIZE("parent ")); |
78c70acd | 4263 | break; |
22f66b0a | 4264 | |
8855ada4 | 4265 | case LINE_AUTHOR: |
b76c2afc | 4266 | { |
19c3ac60 JF |
4267 | /* Parse author lines where the name may be empty: |
4268 | * author <email@address.tld> 1138474660 +0100 | |
4269 | */ | |
4c6fabc2 | 4270 | char *ident = line + STRING_SIZE("author "); |
19c3ac60 JF |
4271 | char *nameend = strchr(ident, '<'); |
4272 | char *emailend = strchr(ident, '>'); | |
b76c2afc | 4273 | |
0ff3b97c | 4274 | if (!nameend || !emailend) |
fe7233c3 JF |
4275 | break; |
4276 | ||
c65a501a JF |
4277 | update_rev_graph(graph); |
4278 | graph = graph->next; | |
2b757533 | 4279 | |
19c3ac60 JF |
4280 | *nameend = *emailend = 0; |
4281 | ident = chomp_string(ident); | |
4282 | if (!*ident) { | |
4283 | ident = chomp_string(nameend + 1); | |
4284 | if (!*ident) | |
4285 | ident = "Unknown"; | |
b76c2afc JF |
4286 | } |
4287 | ||
739e81de | 4288 | string_ncopy(commit->author, ident, strlen(ident)); |
b76c2afc | 4289 | |
4c6fabc2 | 4290 | /* Parse epoch and timezone */ |
19c3ac60 JF |
4291 | if (emailend[1] == ' ') { |
4292 | char *secs = emailend + 2; | |
4293 | char *zone = strchr(secs, ' '); | |
4294 | time_t time = (time_t) atol(secs); | |
b76c2afc | 4295 | |
4c6fabc2 | 4296 | if (zone && strlen(zone) == STRING_SIZE(" +0700")) { |
b76c2afc JF |
4297 | long tz; |
4298 | ||
4299 | zone++; | |
4300 | tz = ('0' - zone[1]) * 60 * 60 * 10; | |
4301 | tz += ('0' - zone[2]) * 60 * 60; | |
4302 | tz += ('0' - zone[3]) * 60; | |
4303 | tz += ('0' - zone[4]) * 60; | |
4304 | ||
4305 | if (zone[0] == '-') | |
4306 | tz = -tz; | |
4307 | ||
4308 | time -= tz; | |
4309 | } | |
19c3ac60 | 4310 | |
b76c2afc JF |
4311 | gmtime_r(&time, &commit->time); |
4312 | } | |
4313 | break; | |
4314 | } | |
78c70acd | 4315 | default: |
2e8488b4 | 4316 | /* Fill in the commit title if it has not already been set. */ |
2e8488b4 JF |
4317 | if (commit->title[0]) |
4318 | break; | |
4319 | ||
4320 | /* Require titles to start with a non-space character at the | |
4321 | * offset used by git log. */ | |
9073c64a JF |
4322 | if (strncmp(line, " ", 4)) |
4323 | break; | |
4324 | line += 4; | |
4325 | /* Well, if the title starts with a whitespace character, | |
4326 | * try to be forgiving. Otherwise we end up with no title. */ | |
4327 | while (isspace(*line)) | |
4328 | line++; | |
4329 | if (*line == '\0') | |
82e78006 | 4330 | break; |
9073c64a JF |
4331 | /* FIXME: More graceful handling of titles; append "..." to |
4332 | * shortened titles, etc. */ | |
82e78006 | 4333 | |
739e81de | 4334 | string_ncopy(commit->title, line, strlen(line)); |
22f66b0a JF |
4335 | } |
4336 | ||
4337 | return TRUE; | |
4338 | } | |
4339 | ||
586c423d JF |
4340 | static enum request |
4341 | main_request(struct view *view, enum request request, struct line *line) | |
b801d8b2 | 4342 | { |
b3a54cba JF |
4343 | enum open_flags flags = display[0] == view ? OPEN_SPLIT : OPEN_DEFAULT; |
4344 | ||
586c423d JF |
4345 | if (request == REQ_ENTER) |
4346 | open_view(view, REQ_VIEW_DIFF, flags); | |
4347 | else | |
4348 | return request; | |
4349 | ||
4350 | return REQ_NONE; | |
b801d8b2 JF |
4351 | } |
4352 | ||
4af34daa JF |
4353 | static bool |
4354 | main_grep(struct view *view, struct line *line) | |
4355 | { | |
4356 | struct commit *commit = line->data; | |
4357 | enum { S_TITLE, S_AUTHOR, S_DATE, S_END } state; | |
4358 | char buf[DATE_COLS + 1]; | |
4359 | regmatch_t pmatch; | |
4360 | ||
4361 | for (state = S_TITLE; state < S_END; state++) { | |
4362 | char *text; | |
4363 | ||
4364 | switch (state) { | |
4365 | case S_TITLE: text = commit->title; break; | |
4366 | case S_AUTHOR: text = commit->author; break; | |
4367 | case S_DATE: | |
4368 | if (!strftime(buf, sizeof(buf), DATE_FORMAT, &commit->time)) | |
4369 | continue; | |
4370 | text = buf; | |
4371 | break; | |
4372 | ||
4373 | default: | |
4374 | return FALSE; | |
4375 | } | |
4376 | ||
b77b2cb8 | 4377 | if (regexec(view->regex, text, 1, &pmatch, 0) != REG_NOMATCH) |
4af34daa JF |
4378 | return TRUE; |
4379 | } | |
4380 | ||
4381 | return FALSE; | |
4382 | } | |
4383 | ||
d720de4b JF |
4384 | static void |
4385 | main_select(struct view *view, struct line *line) | |
4386 | { | |
4387 | struct commit *commit = line->data; | |
4388 | ||
2463b4ea JF |
4389 | string_copy_rev(view->ref, commit->id); |
4390 | string_copy_rev(ref_commit, view->ref); | |
d720de4b JF |
4391 | } |
4392 | ||
6b161b31 | 4393 | static struct view_ops main_ops = { |
6734f6b9 | 4394 | "commit", |
f098944b | 4395 | NULL, |
6b161b31 | 4396 | main_read, |
f098944b | 4397 | main_draw, |
586c423d | 4398 | main_request, |
4af34daa | 4399 | main_grep, |
d720de4b | 4400 | main_select, |
6b161b31 | 4401 | }; |
2e8488b4 | 4402 | |
c34d9c9f | 4403 | |
6b161b31 | 4404 | /* |
10e290ee JF |
4405 | * Unicode / UTF-8 handling |
4406 | * | |
4407 | * NOTE: Much of the following code for dealing with unicode is derived from | |
4408 | * ELinks' UTF-8 code developed by Scrool <scroolik@gmail.com>. Origin file is | |
4409 | * src/intl/charset.c from the utf8 branch commit elinks-0.11.0-g31f2c28. | |
4410 | */ | |
4411 | ||
4412 | /* I've (over)annotated a lot of code snippets because I am not entirely | |
4413 | * confident that the approach taken by this small UTF-8 interface is correct. | |
4414 | * --jonas */ | |
4415 | ||
4416 | static inline int | |
4417 | unicode_width(unsigned long c) | |
4418 | { | |
4419 | if (c >= 0x1100 && | |
4420 | (c <= 0x115f /* Hangul Jamo */ | |
4421 | || c == 0x2329 | |
4422 | || c == 0x232a | |
4423 | || (c >= 0x2e80 && c <= 0xa4cf && c != 0x303f) | |
f97f4012 | 4424 | /* CJK ... Yi */ |
10e290ee JF |
4425 | || (c >= 0xac00 && c <= 0xd7a3) /* Hangul Syllables */ |
4426 | || (c >= 0xf900 && c <= 0xfaff) /* CJK Compatibility Ideographs */ | |
4427 | || (c >= 0xfe30 && c <= 0xfe6f) /* CJK Compatibility Forms */ | |
4428 | || (c >= 0xff00 && c <= 0xff60) /* Fullwidth Forms */ | |
4429 | || (c >= 0xffe0 && c <= 0xffe6) | |
4430 | || (c >= 0x20000 && c <= 0x2fffd) | |
4431 | || (c >= 0x30000 && c <= 0x3fffd))) | |
4432 | return 2; | |
4433 | ||
4434 | return 1; | |
4435 | } | |
4436 | ||
4437 | /* Number of bytes used for encoding a UTF-8 character indexed by first byte. | |
4438 | * Illegal bytes are set one. */ | |
4439 | static const unsigned char utf8_bytes[256] = { | |
4440 | 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, | |
4441 | 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, | |
4442 | 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, | |
4443 | 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, | |
4444 | 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, | |
4445 | 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, | |
4446 | 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, | |
4447 | 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, | |
4448 | }; | |
4449 | ||
4450 | /* Decode UTF-8 multi-byte representation into a unicode character. */ | |
4451 | static inline unsigned long | |
4452 | utf8_to_unicode(const char *string, size_t length) | |
4453 | { | |
4454 | unsigned long unicode; | |
4455 | ||
4456 | switch (length) { | |
4457 | case 1: | |
4458 | unicode = string[0]; | |
4459 | break; | |
4460 | case 2: | |
4461 | unicode = (string[0] & 0x1f) << 6; | |
4462 | unicode += (string[1] & 0x3f); | |
4463 | break; | |
4464 | case 3: | |
4465 | unicode = (string[0] & 0x0f) << 12; | |
4466 | unicode += ((string[1] & 0x3f) << 6); | |
4467 | unicode += (string[2] & 0x3f); | |
4468 | break; | |
4469 | case 4: | |
4470 | unicode = (string[0] & 0x0f) << 18; | |
4471 | unicode += ((string[1] & 0x3f) << 12); | |
4472 | unicode += ((string[2] & 0x3f) << 6); | |
4473 | unicode += (string[3] & 0x3f); | |
4474 | break; | |
4475 | case 5: | |
4476 | unicode = (string[0] & 0x0f) << 24; | |
4477 | unicode += ((string[1] & 0x3f) << 18); | |
4478 | unicode += ((string[2] & 0x3f) << 12); | |
4479 | unicode += ((string[3] & 0x3f) << 6); | |
4480 | unicode += (string[4] & 0x3f); | |
4481 | break; | |
68b6e0eb | 4482 | case 6: |
10e290ee JF |
4483 | unicode = (string[0] & 0x01) << 30; |
4484 | unicode += ((string[1] & 0x3f) << 24); | |
4485 | unicode += ((string[2] & 0x3f) << 18); | |
4486 | unicode += ((string[3] & 0x3f) << 12); | |
4487 | unicode += ((string[4] & 0x3f) << 6); | |
4488 | unicode += (string[5] & 0x3f); | |
4489 | break; | |
4490 | default: | |
4491 | die("Invalid unicode length"); | |
4492 | } | |
4493 | ||
4494 | /* Invalid characters could return the special 0xfffd value but NUL | |
4495 | * should be just as good. */ | |
4496 | return unicode > 0xffff ? 0 : unicode; | |
4497 | } | |
4498 | ||
4499 | /* Calculates how much of string can be shown within the given maximum width | |
4500 | * and sets trimmed parameter to non-zero value if all of string could not be | |
4501 | * shown. | |
4502 | * | |
4503 | * Additionally, adds to coloffset how many many columns to move to align with | |
4504 | * the expected position. Takes into account how multi-byte and double-width | |
4505 | * characters will effect the cursor position. | |
4506 | * | |
4507 | * Returns the number of bytes to output from string to satisfy max_width. */ | |
4508 | static size_t | |
4509 | utf8_length(const char *string, size_t max_width, int *coloffset, int *trimmed) | |
4510 | { | |
4511 | const char *start = string; | |
4512 | const char *end = strchr(string, '\0'); | |
4513 | size_t mbwidth = 0; | |
4514 | size_t width = 0; | |
4515 | ||
4516 | *trimmed = 0; | |
4517 | ||
4518 | while (string < end) { | |
4519 | int c = *(unsigned char *) string; | |
4520 | unsigned char bytes = utf8_bytes[c]; | |
4521 | size_t ucwidth; | |
4522 | unsigned long unicode; | |
4523 | ||
4524 | if (string + bytes > end) | |
4525 | break; | |
4526 | ||
4527 | /* Change representation to figure out whether | |
4528 | * it is a single- or double-width character. */ | |
4529 | ||
4530 | unicode = utf8_to_unicode(string, bytes); | |
4531 | /* FIXME: Graceful handling of invalid unicode character. */ | |
4532 | if (!unicode) | |
4533 | break; | |
4534 | ||
4535 | ucwidth = unicode_width(unicode); | |
4536 | width += ucwidth; | |
4537 | if (width > max_width) { | |
4538 | *trimmed = 1; | |
4539 | break; | |
4540 | } | |
4541 | ||
4542 | /* The column offset collects the differences between the | |
4543 | * number of bytes encoding a character and the number of | |
4544 | * columns will be used for rendering said character. | |
4545 | * | |
4546 | * So if some character A is encoded in 2 bytes, but will be | |
4547 | * represented on the screen using only 1 byte this will and up | |
4548 | * adding 1 to the multi-byte column offset. | |
4549 | * | |
4550 | * Assumes that no double-width character can be encoding in | |
4551 | * less than two bytes. */ | |
4552 | if (bytes > ucwidth) | |
4553 | mbwidth += bytes - ucwidth; | |
4554 | ||
4555 | string += bytes; | |
4556 | } | |
4557 | ||
4558 | *coloffset += mbwidth; | |
4559 | ||
4560 | return string - start; | |
4561 | } | |
4562 | ||
4563 | ||
4564 | /* | |
6b161b31 JF |
4565 | * Status management |
4566 | */ | |
2e8488b4 | 4567 | |
8855ada4 | 4568 | /* Whether or not the curses interface has been initialized. */ |
68b6e0eb | 4569 | static bool cursed = FALSE; |
8855ada4 | 4570 | |
6b161b31 JF |
4571 | /* The status window is used for polling keystrokes. */ |
4572 | static WINDOW *status_win; | |
4a2909a7 | 4573 | |
21be28fb JF |
4574 | static bool status_empty = TRUE; |
4575 | ||
2e8488b4 | 4576 | /* Update status and title window. */ |
4a2909a7 JF |
4577 | static void |
4578 | report(const char *msg, ...) | |
4579 | { | |
6706b2ba | 4580 | struct view *view = display[current_view]; |
b76c2afc | 4581 | |
ab4af23e JF |
4582 | if (input_mode) |
4583 | return; | |
4584 | ||
c38c64bb JF |
4585 | if (!view) { |
4586 | char buf[SIZEOF_STR]; | |
4587 | va_list args; | |
4588 | ||
4589 | va_start(args, msg); | |
4590 | if (vsnprintf(buf, sizeof(buf), msg, args) >= sizeof(buf)) { | |
4591 | buf[sizeof(buf) - 1] = 0; | |
4592 | buf[sizeof(buf) - 2] = '.'; | |
4593 | buf[sizeof(buf) - 3] = '.'; | |
4594 | buf[sizeof(buf) - 4] = '.'; | |
4595 | } | |
4596 | va_end(args); | |
4597 | die("%s", buf); | |
4598 | } | |
4599 | ||
21be28fb | 4600 | if (!status_empty || *msg) { |
6706b2ba | 4601 | va_list args; |
4a2909a7 | 4602 | |
6706b2ba | 4603 | va_start(args, msg); |
4b76734f | 4604 | |
6706b2ba JF |
4605 | wmove(status_win, 0, 0); |
4606 | if (*msg) { | |
4607 | vwprintw(status_win, msg, args); | |
21be28fb | 4608 | status_empty = FALSE; |
6706b2ba | 4609 | } else { |
21be28fb | 4610 | status_empty = TRUE; |
6706b2ba | 4611 | } |
390a8262 | 4612 | wclrtoeol(status_win); |
6706b2ba | 4613 | wrefresh(status_win); |
b801d8b2 | 4614 | |
6706b2ba JF |
4615 | va_end(args); |
4616 | } | |
4617 | ||
4618 | update_view_title(view); | |
2bee3bde | 4619 | update_display_cursor(view); |
b801d8b2 JF |
4620 | } |
4621 | ||
6b161b31 JF |
4622 | /* Controls when nodelay should be in effect when polling user input. */ |
4623 | static void | |
1ba2ae4b | 4624 | set_nonblocking_input(bool loading) |
b801d8b2 | 4625 | { |
6706b2ba | 4626 | static unsigned int loading_views; |
b801d8b2 | 4627 | |
6706b2ba JF |
4628 | if ((loading == FALSE && loading_views-- == 1) || |
4629 | (loading == TRUE && loading_views++ == 0)) | |
1ba2ae4b | 4630 | nodelay(status_win, loading); |
6b161b31 JF |
4631 | } |
4632 | ||
4633 | static void | |
4634 | init_display(void) | |
4635 | { | |
4636 | int x, y; | |
b76c2afc | 4637 | |
6908bdbd JF |
4638 | /* Initialize the curses library */ |
4639 | if (isatty(STDIN_FILENO)) { | |
8855ada4 | 4640 | cursed = !!initscr(); |
6908bdbd JF |
4641 | } else { |
4642 | /* Leave stdin and stdout alone when acting as a pager. */ | |
4643 | FILE *io = fopen("/dev/tty", "r+"); | |
4644 | ||
e6f60674 JF |
4645 | if (!io) |
4646 | die("Failed to open /dev/tty"); | |
8855ada4 | 4647 | cursed = !!newterm(NULL, io, io); |
6908bdbd JF |
4648 | } |
4649 | ||
8855ada4 JF |
4650 | if (!cursed) |
4651 | die("Failed to initialize curses"); | |
4652 | ||
2e8488b4 JF |
4653 | nonl(); /* Tell curses not to do NL->CR/NL on output */ |
4654 | cbreak(); /* Take input chars one at a time, no wait for \n */ | |
4655 | noecho(); /* Don't echo input */ | |
b801d8b2 | 4656 | leaveok(stdscr, TRUE); |
b801d8b2 JF |
4657 | |
4658 | if (has_colors()) | |
4659 | init_colors(); | |
4660 | ||
4661 | getmaxyx(stdscr, y, x); | |
4662 | status_win = newwin(1, 0, y - 1, 0); | |
4663 | if (!status_win) | |
4664 | die("Failed to create status window"); | |
4665 | ||
4666 | /* Enable keyboard mapping */ | |
4667 | keypad(status_win, TRUE); | |
78c70acd | 4668 | wbkgdset(status_win, get_line_attr(LINE_STATUS)); |
6b161b31 JF |
4669 | } |
4670 | ||
4af34daa | 4671 | static char * |
cb9e48c1 | 4672 | read_prompt(const char *prompt) |
ef5404a4 JF |
4673 | { |
4674 | enum { READING, STOP, CANCEL } status = READING; | |
9e21ce5c | 4675 | static char buf[sizeof(opt_cmd) - STRING_SIZE("git \0")]; |
ef5404a4 JF |
4676 | int pos = 0; |
4677 | ||
4678 | while (status == READING) { | |
4679 | struct view *view; | |
4680 | int i, key; | |
4681 | ||
ab4af23e JF |
4682 | input_mode = TRUE; |
4683 | ||
699ae55b | 4684 | foreach_view (view, i) |
ef5404a4 JF |
4685 | update_view(view); |
4686 | ||
ab4af23e JF |
4687 | input_mode = FALSE; |
4688 | ||
4689 | mvwprintw(status_win, 0, 0, "%s%.*s", prompt, pos, buf); | |
4690 | wclrtoeol(status_win); | |
4691 | ||
ef5404a4 JF |
4692 | /* Refresh, accept single keystroke of input */ |
4693 | key = wgetch(status_win); | |
4694 | switch (key) { | |
4695 | case KEY_RETURN: | |
4696 | case KEY_ENTER: | |
4697 | case '\n': | |
4698 | status = pos ? STOP : CANCEL; | |
4699 | break; | |
4700 | ||
4701 | case KEY_BACKSPACE: | |
4702 | if (pos > 0) | |
4703 | pos--; | |
4704 | else | |
4705 | status = CANCEL; | |
4706 | break; | |
4707 | ||
4708 | case KEY_ESC: | |
4709 | status = CANCEL; | |
4710 | break; | |
4711 | ||
4712 | case ERR: | |
4713 | break; | |
4714 | ||
4715 | default: | |
4716 | if (pos >= sizeof(buf)) { | |
4717 | report("Input string too long"); | |
9e21ce5c | 4718 | return NULL; |
ef5404a4 JF |
4719 | } |
4720 | ||
4721 | if (isprint(key)) | |
4722 | buf[pos++] = (char) key; | |
4723 | } | |
4724 | } | |
4725 | ||
7a06ebdf JF |
4726 | /* Clear the status window */ |
4727 | status_empty = FALSE; | |
4728 | report(""); | |
4729 | ||
4730 | if (status == CANCEL) | |
9e21ce5c | 4731 | return NULL; |
ef5404a4 JF |
4732 | |
4733 | buf[pos++] = 0; | |
ef5404a4 | 4734 | |
9e21ce5c | 4735 | return buf; |
ef5404a4 | 4736 | } |
c34d9c9f JF |
4737 | |
4738 | /* | |
4739 | * Repository references | |
4740 | */ | |
4741 | ||
4742 | static struct ref *refs; | |
3a91b75e | 4743 | static size_t refs_size; |
c34d9c9f | 4744 | |
1307df1a JF |
4745 | /* Id <-> ref store */ |
4746 | static struct ref ***id_refs; | |
4747 | static size_t id_refs_size; | |
4748 | ||
c34d9c9f JF |
4749 | static struct ref ** |
4750 | get_refs(char *id) | |
4751 | { | |
1307df1a JF |
4752 | struct ref ***tmp_id_refs; |
4753 | struct ref **ref_list = NULL; | |
4754 | size_t ref_list_size = 0; | |
c34d9c9f JF |
4755 | size_t i; |
4756 | ||
1307df1a JF |
4757 | for (i = 0; i < id_refs_size; i++) |
4758 | if (!strcmp(id, id_refs[i][0]->id)) | |
4759 | return id_refs[i]; | |
4760 | ||
4761 | tmp_id_refs = realloc(id_refs, (id_refs_size + 1) * sizeof(*id_refs)); | |
4762 | if (!tmp_id_refs) | |
4763 | return NULL; | |
4764 | ||
4765 | id_refs = tmp_id_refs; | |
4766 | ||
c34d9c9f JF |
4767 | for (i = 0; i < refs_size; i++) { |
4768 | struct ref **tmp; | |
4769 | ||
4770 | if (strcmp(id, refs[i].id)) | |
4771 | continue; | |
4772 | ||
1307df1a | 4773 | tmp = realloc(ref_list, (ref_list_size + 1) * sizeof(*ref_list)); |
c34d9c9f | 4774 | if (!tmp) { |
1307df1a JF |
4775 | if (ref_list) |
4776 | free(ref_list); | |
c34d9c9f JF |
4777 | return NULL; |
4778 | } | |
4779 | ||
1307df1a JF |
4780 | ref_list = tmp; |
4781 | if (ref_list_size > 0) | |
4782 | ref_list[ref_list_size - 1]->next = 1; | |
4783 | ref_list[ref_list_size] = &refs[i]; | |
3af8774e JF |
4784 | |
4785 | /* XXX: The properties of the commit chains ensures that we can | |
4786 | * safely modify the shared ref. The repo references will | |
4787 | * always be similar for the same id. */ | |
1307df1a JF |
4788 | ref_list[ref_list_size]->next = 0; |
4789 | ref_list_size++; | |
c34d9c9f JF |
4790 | } |
4791 | ||
1307df1a JF |
4792 | if (ref_list) |
4793 | id_refs[id_refs_size++] = ref_list; | |
4794 | ||
4795 | return ref_list; | |
c34d9c9f JF |
4796 | } |
4797 | ||
4798 | static int | |
5699e0cf | 4799 | read_ref(char *id, size_t idlen, char *name, size_t namelen) |
c34d9c9f | 4800 | { |
d0cea5f9 JF |
4801 | struct ref *ref; |
4802 | bool tag = FALSE; | |
e15ec88e | 4803 | bool remote = FALSE; |
d0cea5f9 | 4804 | |
8b0297ae JF |
4805 | if (!strncmp(name, "refs/tags/", STRING_SIZE("refs/tags/"))) { |
4806 | /* Commits referenced by tags has "^{}" appended. */ | |
4807 | if (name[namelen - 1] != '}') | |
4808 | return OK; | |
4809 | ||
d0cea5f9 JF |
4810 | while (namelen > 0 && name[namelen] != '^') |
4811 | namelen--; | |
c34d9c9f | 4812 | |
d0cea5f9 | 4813 | tag = TRUE; |
8b0297ae JF |
4814 | namelen -= STRING_SIZE("refs/tags/"); |
4815 | name += STRING_SIZE("refs/tags/"); | |
c34d9c9f | 4816 | |
e15ec88e JF |
4817 | } else if (!strncmp(name, "refs/remotes/", STRING_SIZE("refs/remotes/"))) { |
4818 | remote = TRUE; | |
4819 | namelen -= STRING_SIZE("refs/remotes/"); | |
4820 | name += STRING_SIZE("refs/remotes/"); | |
4821 | ||
d0cea5f9 | 4822 | } else if (!strncmp(name, "refs/heads/", STRING_SIZE("refs/heads/"))) { |
8b0297ae JF |
4823 | namelen -= STRING_SIZE("refs/heads/"); |
4824 | name += STRING_SIZE("refs/heads/"); | |
c34d9c9f | 4825 | |
d0cea5f9 JF |
4826 | } else if (!strcmp(name, "HEAD")) { |
4827 | return OK; | |
4828 | } | |
6706b2ba | 4829 | |
d0cea5f9 JF |
4830 | refs = realloc(refs, sizeof(*refs) * (refs_size + 1)); |
4831 | if (!refs) | |
4832 | return ERR; | |
c34d9c9f | 4833 | |
d0cea5f9 | 4834 | ref = &refs[refs_size++]; |
8b0297ae | 4835 | ref->name = malloc(namelen + 1); |
d0cea5f9 JF |
4836 | if (!ref->name) |
4837 | return ERR; | |
3af8774e | 4838 | |
8b0297ae JF |
4839 | strncpy(ref->name, name, namelen); |
4840 | ref->name[namelen] = 0; | |
d0cea5f9 | 4841 | ref->tag = tag; |
e15ec88e | 4842 | ref->remote = remote; |
2463b4ea | 4843 | string_copy_rev(ref->id, id); |
3af8774e | 4844 | |
d0cea5f9 JF |
4845 | return OK; |
4846 | } | |
c34d9c9f | 4847 | |
d0cea5f9 JF |
4848 | static int |
4849 | load_refs(void) | |
4850 | { | |
4851 | const char *cmd_env = getenv("TIG_LS_REMOTE"); | |
4852 | const char *cmd = cmd_env && *cmd_env ? cmd_env : TIG_LS_REMOTE; | |
c34d9c9f | 4853 | |
4a63c884 | 4854 | return read_properties(popen(cmd, "r"), "\t", read_ref); |
d0cea5f9 | 4855 | } |
c34d9c9f | 4856 | |
d0cea5f9 | 4857 | static int |
5699e0cf | 4858 | read_repo_config_option(char *name, size_t namelen, char *value, size_t valuelen) |
d0cea5f9 | 4859 | { |
22913179 | 4860 | if (!strcmp(name, "i18n.commitencoding")) |
739e81de | 4861 | string_ncopy(opt_encoding, value, valuelen); |
c34d9c9f | 4862 | |
0cea0d43 JF |
4863 | if (!strcmp(name, "core.editor")) |
4864 | string_ncopy(opt_editor, value, valuelen); | |
4865 | ||
c34d9c9f JF |
4866 | return OK; |
4867 | } | |
4868 | ||
4670cf89 | 4869 | static int |
14c778a6 | 4870 | load_repo_config(void) |
4670cf89 | 4871 | { |
96e58f5b | 4872 | return read_properties(popen(GIT_CONFIG " --list", "r"), |
14c778a6 | 4873 | "=", read_repo_config_option); |
d0cea5f9 JF |
4874 | } |
4875 | ||
4876 | static int | |
5699e0cf | 4877 | read_repo_info(char *name, size_t namelen, char *value, size_t valuelen) |
91c5d983 | 4878 | { |
c38c64bb | 4879 | if (!opt_git_dir[0]) { |
810f0078 | 4880 | string_ncopy(opt_git_dir, name, namelen); |
c38c64bb JF |
4881 | |
4882 | } else if (opt_is_inside_work_tree == -1) { | |
4883 | /* This can be 3 different values depending on the | |
4884 | * version of git being used. If git-rev-parse does not | |
4885 | * understand --is-inside-work-tree it will simply echo | |
4886 | * the option else either "true" or "false" is printed. | |
4887 | * Default to true for the unknown case. */ | |
4888 | opt_is_inside_work_tree = strcmp(name, "false") ? TRUE : FALSE; | |
4889 | ||
4890 | } else { | |
739e81de | 4891 | string_ncopy(opt_cdup, name, namelen); |
c38c64bb JF |
4892 | } |
4893 | ||
91c5d983 JF |
4894 | return OK; |
4895 | } | |
4896 | ||
810f0078 JF |
4897 | /* XXX: The line outputted by "--show-cdup" can be empty so the option |
4898 | * must be the last one! */ | |
91c5d983 JF |
4899 | static int |
4900 | load_repo_info(void) | |
4901 | { | |
c38c64bb | 4902 | return read_properties(popen("git rev-parse --git-dir --is-inside-work-tree --show-cdup 2>/dev/null", "r"), |
91c5d983 JF |
4903 | "=", read_repo_info); |
4904 | } | |
4905 | ||
4906 | static int | |
4a63c884 | 4907 | read_properties(FILE *pipe, const char *separators, |
5699e0cf | 4908 | int (*read_property)(char *, size_t, char *, size_t)) |
d0cea5f9 | 4909 | { |
4670cf89 JF |
4910 | char buffer[BUFSIZ]; |
4911 | char *name; | |
d0cea5f9 | 4912 | int state = OK; |
4670cf89 JF |
4913 | |
4914 | if (!pipe) | |
4915 | return ERR; | |
4916 | ||
d0cea5f9 | 4917 | while (state == OK && (name = fgets(buffer, sizeof(buffer), pipe))) { |
4a63c884 JF |
4918 | char *value; |
4919 | size_t namelen; | |
4920 | size_t valuelen; | |
4670cf89 | 4921 | |
4a63c884 JF |
4922 | name = chomp_string(name); |
4923 | namelen = strcspn(name, separators); | |
4924 | ||
4925 | if (name[namelen]) { | |
4926 | name[namelen] = 0; | |
4927 | value = chomp_string(name + namelen + 1); | |
d0cea5f9 | 4928 | valuelen = strlen(value); |
4670cf89 | 4929 | |
d0cea5f9 | 4930 | } else { |
d0cea5f9 JF |
4931 | value = ""; |
4932 | valuelen = 0; | |
4670cf89 | 4933 | } |
d0cea5f9 | 4934 | |
3c3801c2 | 4935 | state = read_property(name, namelen, value, valuelen); |
4670cf89 JF |
4936 | } |
4937 | ||
d0cea5f9 JF |
4938 | if (state != ERR && ferror(pipe)) |
4939 | state = ERR; | |
4670cf89 JF |
4940 | |
4941 | pclose(pipe); | |
4942 | ||
d0cea5f9 | 4943 | return state; |
4670cf89 JF |
4944 | } |
4945 | ||
d0cea5f9 | 4946 | |
6b161b31 JF |
4947 | /* |
4948 | * Main | |
4949 | */ | |
4950 | ||
b5c9e67f | 4951 | static void __NORETURN |
6b161b31 JF |
4952 | quit(int sig) |
4953 | { | |
8855ada4 JF |
4954 | /* XXX: Restore tty modes and let the OS cleanup the rest! */ |
4955 | if (cursed) | |
4956 | endwin(); | |
6b161b31 JF |
4957 | exit(0); |
4958 | } | |
4959 | ||
c6704a4e JF |
4960 | static void __NORETURN |
4961 | die(const char *err, ...) | |
6b161b31 JF |
4962 | { |
4963 | va_list args; | |
4964 | ||
4965 | endwin(); | |
4966 | ||
4967 | va_start(args, err); | |
4968 | fputs("tig: ", stderr); | |
4969 | vfprintf(stderr, err, args); | |
4970 | fputs("\n", stderr); | |
4971 | va_end(args); | |
4972 | ||
4973 | exit(1); | |
4974 | } | |
4975 | ||
77452abc JF |
4976 | static void |
4977 | warn(const char *msg, ...) | |
4978 | { | |
4979 | va_list args; | |
4980 | ||
4981 | va_start(args, msg); | |
4982 | fputs("tig warning: ", stderr); | |
4983 | vfprintf(stderr, msg, args); | |
4984 | fputs("\n", stderr); | |
4985 | va_end(args); | |
4986 | } | |
4987 | ||
6b161b31 JF |
4988 | int |
4989 | main(int argc, char *argv[]) | |
4990 | { | |
1ba2ae4b | 4991 | struct view *view; |
6b161b31 | 4992 | enum request request; |
1ba2ae4b | 4993 | size_t i; |
6b161b31 JF |
4994 | |
4995 | signal(SIGINT, quit); | |
4996 | ||
6b68fd24 | 4997 | if (setlocale(LC_ALL, "")) { |
739e81de JF |
4998 | char *codeset = nl_langinfo(CODESET); |
4999 | ||
5000 | string_ncopy(opt_codeset, codeset, strlen(codeset)); | |
6b68fd24 JF |
5001 | } |
5002 | ||
e0f50df0 JF |
5003 | if (load_repo_info() == ERR) |
5004 | die("Failed to load repo info."); | |
5005 | ||
660e09ad JF |
5006 | if (load_options() == ERR) |
5007 | die("Failed to load user config."); | |
5008 | ||
5009 | /* Load the repo config file so options can be overwritten from | |
739e81de | 5010 | * the command line. */ |
14c778a6 | 5011 | if (load_repo_config() == ERR) |
afdc35b3 | 5012 | die("Failed to load repo config."); |
91c5d983 | 5013 | |
8855ada4 | 5014 | if (!parse_options(argc, argv)) |
6b161b31 JF |
5015 | return 0; |
5016 | ||
58a5e4ea JF |
5017 | /* Require a git repository unless when running in pager mode. */ |
5018 | if (!opt_git_dir[0]) | |
5019 | die("Not a git repository"); | |
5020 | ||
6b68fd24 JF |
5021 | if (*opt_codeset && strcmp(opt_codeset, opt_encoding)) { |
5022 | opt_iconv = iconv_open(opt_codeset, opt_encoding); | |
20f4b4a3 | 5023 | if (opt_iconv == ICONV_NONE) |
6b68fd24 JF |
5024 | die("Failed to initialize character set conversion"); |
5025 | } | |
5026 | ||
c34d9c9f JF |
5027 | if (load_refs() == ERR) |
5028 | die("Failed to load refs."); | |
5029 | ||
1ba2ae4b JF |
5030 | for (i = 0; i < ARRAY_SIZE(views) && (view = &views[i]); i++) |
5031 | view->cmd_env = getenv(view->cmd_env); | |
5032 | ||
6b161b31 JF |
5033 | request = opt_request; |
5034 | ||
5035 | init_display(); | |
b801d8b2 JF |
5036 | |
5037 | while (view_driver(display[current_view], request)) { | |
6b161b31 | 5038 | int key; |
b801d8b2 JF |
5039 | int i; |
5040 | ||
699ae55b | 5041 | foreach_view (view, i) |
6b161b31 | 5042 | update_view(view); |
b801d8b2 JF |
5043 | |
5044 | /* Refresh, accept single keystroke of input */ | |
6b161b31 | 5045 | key = wgetch(status_win); |
04e2b7b2 | 5046 | |
cf4d82e6 JF |
5047 | /* wgetch() with nodelay() enabled returns ERR when there's no |
5048 | * input. */ | |
5049 | if (key == ERR) { | |
5050 | request = REQ_NONE; | |
8b534a13 | 5051 | continue; |
cf4d82e6 | 5052 | } |
04e2b7b2 JF |
5053 | |
5054 | request = get_keybinding(display[current_view]->keymap, key); | |
03a93dbb | 5055 | |
6706b2ba | 5056 | /* Some low-level request handling. This keeps access to |
fac7db6c JF |
5057 | * status_win restricted. */ |
5058 | switch (request) { | |
5059 | case REQ_PROMPT: | |
9e21ce5c JF |
5060 | { |
5061 | char *cmd = read_prompt(":"); | |
5062 | ||
5063 | if (cmd && string_format(opt_cmd, "git %s", cmd)) { | |
5064 | if (strncmp(cmd, "show", 4) && isspace(cmd[4])) { | |
5065 | opt_request = REQ_VIEW_DIFF; | |
5066 | } else { | |
5067 | opt_request = REQ_VIEW_PAGER; | |
5068 | } | |
5069 | break; | |
5070 | } | |
fac7db6c | 5071 | |
1d754561 | 5072 | request = REQ_NONE; |
9e21ce5c JF |
5073 | break; |
5074 | } | |
4af34daa JF |
5075 | case REQ_SEARCH: |
5076 | case REQ_SEARCH_BACK: | |
5077 | { | |
5078 | const char *prompt = request == REQ_SEARCH | |
5079 | ? "/" : "?"; | |
5080 | char *search = read_prompt(prompt); | |
5081 | ||
5082 | if (search) | |
739e81de | 5083 | string_ncopy(opt_search, search, strlen(search)); |
4af34daa JF |
5084 | else |
5085 | request = REQ_NONE; | |
5086 | break; | |
5087 | } | |
fac7db6c JF |
5088 | case REQ_SCREEN_RESIZE: |
5089 | { | |
5090 | int height, width; | |
5091 | ||
5092 | getmaxyx(stdscr, height, width); | |
5093 | ||
5094 | /* Resize the status view and let the view driver take | |
5095 | * care of resizing the displayed views. */ | |
5096 | wresize(status_win, 1, width); | |
5097 | mvwin(status_win, height - 1, 0); | |
5098 | wrefresh(status_win); | |
5099 | break; | |
5100 | } | |
5101 | default: | |
5102 | break; | |
03a93dbb | 5103 | } |
b801d8b2 JF |
5104 | } |
5105 | ||
5106 | quit(0); | |
5107 | ||
5108 | return 0; | |
5109 | } |