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 | ||
6a19a303 JF |
45 | /* ncurses(3): Must be defined to have extended wide-character functions. */ |
46 | #define _XOPEN_SOURCE_EXTENDED | |
47 | ||
b801d8b2 | 48 | #include <curses.h> |
b801d8b2 | 49 | |
e2da526d JF |
50 | #if __GNUC__ >= 3 |
51 | #define __NORETURN __attribute__((__noreturn__)) | |
52 | #else | |
53 | #define __NORETURN | |
54 | #endif | |
55 | ||
56 | static void __NORETURN die(const char *err, ...); | |
77452abc | 57 | static void warn(const char *msg, ...); |
b801d8b2 | 58 | static void report(const char *msg, ...); |
5699e0cf | 59 | static int read_properties(FILE *pipe, const char *separators, int (*read)(char *, size_t, char *, size_t)); |
1ba2ae4b | 60 | static void set_nonblocking_input(bool loading); |
012e76e9 | 61 | static size_t utf8_length(const char *string, size_t max_width, int *trimmed, bool reserve); |
6b161b31 JF |
62 | |
63 | #define ABS(x) ((x) >= 0 ? (x) : -(x)) | |
64 | #define MIN(x, y) ((x) < (y) ? (x) : (y)) | |
65 | ||
66 | #define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0])) | |
67 | #define STRING_SIZE(x) (sizeof(x) - 1) | |
b76c2afc | 68 | |
17482b11 | 69 | #define SIZEOF_STR 1024 /* Default string size. */ |
2e8488b4 | 70 | #define SIZEOF_REF 256 /* Size of symbolic or SHA1 ID. */ |
10446330 | 71 | #define SIZEOF_REV 41 /* Holds a SHA-1 and an ending NUL */ |
c8d60a25 JF |
72 | |
73 | /* Revision graph */ | |
74 | ||
75 | #define REVGRAPH_INIT 'I' | |
76 | #define REVGRAPH_MERGE 'M' | |
77 | #define REVGRAPH_BRANCH '+' | |
78 | #define REVGRAPH_COMMIT '*' | |
e81e9c2c | 79 | #define REVGRAPH_BOUND '^' |
c8d60a25 JF |
80 | #define REVGRAPH_LINE '|' |
81 | ||
54efb62b | 82 | #define SIZEOF_REVGRAPH 19 /* Size of revision ancestry graphics. */ |
b801d8b2 | 83 | |
82e78006 JF |
84 | /* This color name can be used to refer to the default term colors. */ |
85 | #define COLOR_DEFAULT (-1) | |
78c70acd | 86 | |
6b68fd24 | 87 | #define ICONV_NONE ((iconv_t) -1) |
58a5e4ea JF |
88 | #ifndef ICONV_CONST |
89 | #define ICONV_CONST /* nothing */ | |
90 | #endif | |
6b68fd24 | 91 | |
82e78006 | 92 | /* The format and size of the date column in the main view. */ |
4c6fabc2 | 93 | #define DATE_FORMAT "%Y-%m-%d %H:%M" |
6b161b31 | 94 | #define DATE_COLS STRING_SIZE("2006-04-29 14:21 ") |
4c6fabc2 | 95 | |
10e290ee JF |
96 | #define AUTHOR_COLS 20 |
97 | ||
a28bcc22 | 98 | /* The default interval between line numbers. */ |
4a2909a7 | 99 | #define NUMBER_INTERVAL 1 |
82e78006 | 100 | |
6706b2ba JF |
101 | #define TABSIZE 8 |
102 | ||
a28bcc22 JF |
103 | #define SCALE_SPLIT_VIEW(height) ((height) * 2 / 3) |
104 | ||
96e58f5b | 105 | #ifndef GIT_CONFIG |
da633326 | 106 | #define GIT_CONFIG "git config" |
96e58f5b JF |
107 | #endif |
108 | ||
8eb62770 | 109 | #define TIG_LS_REMOTE \ |
337d7377 | 110 | "git ls-remote $(git rev-parse --git-dir) 2>/dev/null" |
8eb62770 JF |
111 | |
112 | #define TIG_DIFF_CMD \ | |
ee74874b | 113 | "git show --pretty=fuller --no-color --root --patch-with-stat --find-copies-harder -C %s 2>/dev/null" |
8eb62770 JF |
114 | |
115 | #define TIG_LOG_CMD \ | |
8897e66a | 116 | "git log --no-color --cc --stat -n100 %s 2>/dev/null" |
8eb62770 JF |
117 | |
118 | #define TIG_MAIN_CMD \ | |
e81e9c2c | 119 | "git log --no-color --topo-order --boundary --pretty=raw %s 2>/dev/null" |
8eb62770 | 120 | |
e733ee54 JF |
121 | #define TIG_TREE_CMD \ |
122 | "git ls-tree %s %s" | |
123 | ||
124 | #define TIG_BLOB_CMD \ | |
125 | "git cat-file blob %s" | |
126 | ||
8eb62770 JF |
127 | /* XXX: Needs to be defined to the empty string. */ |
128 | #define TIG_HELP_CMD "" | |
129 | #define TIG_PAGER_CMD "" | |
173d76ea | 130 | #define TIG_STATUS_CMD "" |
3e634113 | 131 | #define TIG_STAGE_CMD "" |
8eb62770 | 132 | |
8855ada4 | 133 | /* Some ascii-shorthands fitted into the ncurses namespace. */ |
a28bcc22 JF |
134 | #define KEY_TAB '\t' |
135 | #define KEY_RETURN '\r' | |
4a2909a7 JF |
136 | #define KEY_ESC 27 |
137 | ||
6706b2ba | 138 | |
c34d9c9f | 139 | struct ref { |
468876c9 | 140 | char *name; /* Ref name; tag or head names are shortened. */ |
10446330 | 141 | char id[SIZEOF_REV]; /* Commit SHA1 ID */ |
468876c9 | 142 | unsigned int tag:1; /* Is it a tag? */ |
e15ec88e | 143 | unsigned int remote:1; /* Is it a remote ref? */ |
468876c9 | 144 | unsigned int next:1; /* For ref lists: are there more refs? */ |
c34d9c9f JF |
145 | }; |
146 | ||
ff26aa29 | 147 | static struct ref **get_refs(char *id); |
4c6fabc2 | 148 | |
660e09ad JF |
149 | struct int_map { |
150 | const char *name; | |
151 | int namelen; | |
152 | int value; | |
153 | }; | |
154 | ||
155 | static int | |
156 | set_from_int_map(struct int_map *map, size_t map_size, | |
157 | int *value, const char *name, int namelen) | |
158 | { | |
159 | ||
160 | int i; | |
161 | ||
162 | for (i = 0; i < map_size; i++) | |
163 | if (namelen == map[i].namelen && | |
164 | !strncasecmp(name, map[i].name, namelen)) { | |
165 | *value = map[i].value; | |
166 | return OK; | |
167 | } | |
168 | ||
169 | return ERR; | |
170 | } | |
171 | ||
6706b2ba | 172 | |
03a93dbb JF |
173 | /* |
174 | * String helpers | |
175 | */ | |
78c70acd | 176 | |
82e78006 | 177 | static inline void |
9a48919b | 178 | string_ncopy_do(char *dst, size_t dstlen, const char *src, size_t srclen) |
82e78006 | 179 | { |
9a48919b JF |
180 | if (srclen > dstlen - 1) |
181 | srclen = dstlen - 1; | |
03a93dbb | 182 | |
9a48919b JF |
183 | strncpy(dst, src, srclen); |
184 | dst[srclen] = 0; | |
82e78006 JF |
185 | } |
186 | ||
9a48919b JF |
187 | /* Shorthands for safely copying into a fixed buffer. */ |
188 | ||
82e78006 | 189 | #define string_copy(dst, src) \ |
751e27c9 | 190 | string_ncopy_do(dst, sizeof(dst), src, sizeof(src)) |
9a48919b JF |
191 | |
192 | #define string_ncopy(dst, src, srclen) \ | |
193 | string_ncopy_do(dst, sizeof(dst), src, srclen) | |
82e78006 | 194 | |
2463b4ea JF |
195 | #define string_copy_rev(dst, src) \ |
196 | string_ncopy_do(dst, SIZEOF_REV, src, SIZEOF_REV - 1) | |
197 | ||
91c5d983 JF |
198 | #define string_add(dst, from, src) \ |
199 | string_ncopy_do(dst + (from), sizeof(dst) - (from), src, sizeof(src)) | |
200 | ||
4a63c884 JF |
201 | static char * |
202 | chomp_string(char *name) | |
203 | { | |
204 | int namelen; | |
205 | ||
206 | while (isspace(*name)) | |
207 | name++; | |
208 | ||
209 | namelen = strlen(name) - 1; | |
210 | while (namelen > 0 && isspace(name[namelen])) | |
211 | name[namelen--] = 0; | |
212 | ||
213 | return name; | |
214 | } | |
215 | ||
cc2d1364 | 216 | static bool |
d65ced0d | 217 | string_nformat(char *buf, size_t bufsize, size_t *bufpos, const char *fmt, ...) |
cc2d1364 JF |
218 | { |
219 | va_list args; | |
d65ced0d | 220 | size_t pos = bufpos ? *bufpos : 0; |
cc2d1364 JF |
221 | |
222 | va_start(args, fmt); | |
223 | pos += vsnprintf(buf + pos, bufsize - pos, fmt, args); | |
224 | va_end(args); | |
225 | ||
226 | if (bufpos) | |
227 | *bufpos = pos; | |
228 | ||
229 | return pos >= bufsize ? FALSE : TRUE; | |
230 | } | |
231 | ||
232 | #define string_format(buf, fmt, args...) \ | |
233 | string_nformat(buf, sizeof(buf), NULL, fmt, args) | |
234 | ||
235 | #define string_format_from(buf, from, fmt, args...) \ | |
236 | string_nformat(buf, sizeof(buf), from, fmt, args) | |
6706b2ba | 237 | |
201f5a18 JF |
238 | static int |
239 | string_enum_compare(const char *str1, const char *str2, int len) | |
240 | { | |
241 | size_t i; | |
242 | ||
243 | #define string_enum_sep(x) ((x) == '-' || (x) == '_' || (x) == '.') | |
244 | ||
245 | /* Diff-Header == DIFF_HEADER */ | |
246 | for (i = 0; i < len; i++) { | |
247 | if (toupper(str1[i]) == toupper(str2[i])) | |
248 | continue; | |
249 | ||
250 | if (string_enum_sep(str1[i]) && | |
251 | string_enum_sep(str2[i])) | |
252 | continue; | |
253 | ||
254 | return str1[i] - str2[i]; | |
255 | } | |
256 | ||
257 | return 0; | |
258 | } | |
259 | ||
03a93dbb JF |
260 | /* Shell quoting |
261 | * | |
262 | * NOTE: The following is a slightly modified copy of the git project's shell | |
263 | * quoting routines found in the quote.c file. | |
264 | * | |
265 | * Help to copy the thing properly quoted for the shell safety. any single | |
266 | * quote is replaced with '\'', any exclamation point is replaced with '\!', | |
267 | * and the whole thing is enclosed in a | |
268 | * | |
269 | * E.g. | |
270 | * original sq_quote result | |
271 | * name ==> name ==> 'name' | |
272 | * a b ==> a b ==> 'a b' | |
273 | * a'b ==> a'\''b ==> 'a'\''b' | |
274 | * a!b ==> a'\!'b ==> 'a'\!'b' | |
275 | */ | |
276 | ||
277 | static size_t | |
17482b11 | 278 | sq_quote(char buf[SIZEOF_STR], size_t bufsize, const char *src) |
03a93dbb JF |
279 | { |
280 | char c; | |
281 | ||
17482b11 | 282 | #define BUFPUT(x) do { if (bufsize < SIZEOF_STR) buf[bufsize++] = (x); } while (0) |
03a93dbb JF |
283 | |
284 | BUFPUT('\''); | |
285 | while ((c = *src++)) { | |
286 | if (c == '\'' || c == '!') { | |
287 | BUFPUT('\''); | |
288 | BUFPUT('\\'); | |
289 | BUFPUT(c); | |
290 | BUFPUT('\''); | |
291 | } else { | |
292 | BUFPUT(c); | |
293 | } | |
294 | } | |
295 | BUFPUT('\''); | |
296 | ||
f0f114ac JF |
297 | if (bufsize < SIZEOF_STR) |
298 | buf[bufsize] = 0; | |
299 | ||
03a93dbb JF |
300 | return bufsize; |
301 | } | |
302 | ||
82e78006 | 303 | |
24b5b3e0 JF |
304 | /* |
305 | * User requests | |
306 | */ | |
307 | ||
308 | #define REQ_INFO \ | |
309 | /* XXX: Keep the view request first and in sync with views[]. */ \ | |
310 | REQ_GROUP("View switching") \ | |
311 | REQ_(VIEW_MAIN, "Show main view"), \ | |
312 | REQ_(VIEW_DIFF, "Show diff view"), \ | |
313 | REQ_(VIEW_LOG, "Show log view"), \ | |
e733ee54 JF |
314 | REQ_(VIEW_TREE, "Show tree view"), \ |
315 | REQ_(VIEW_BLOB, "Show blob view"), \ | |
24b5b3e0 JF |
316 | REQ_(VIEW_HELP, "Show help page"), \ |
317 | REQ_(VIEW_PAGER, "Show pager view"), \ | |
173d76ea | 318 | REQ_(VIEW_STATUS, "Show status view"), \ |
3e634113 | 319 | REQ_(VIEW_STAGE, "Show stage view"), \ |
24b5b3e0 JF |
320 | \ |
321 | REQ_GROUP("View manipulation") \ | |
322 | REQ_(ENTER, "Enter current line and scroll"), \ | |
323 | REQ_(NEXT, "Move to next"), \ | |
324 | REQ_(PREVIOUS, "Move to previous"), \ | |
325 | REQ_(VIEW_NEXT, "Move focus to next view"), \ | |
acaef3b3 | 326 | REQ_(REFRESH, "Reload and refresh"), \ |
24b5b3e0 JF |
327 | REQ_(VIEW_CLOSE, "Close the current view"), \ |
328 | REQ_(QUIT, "Close all views and quit"), \ | |
329 | \ | |
330 | REQ_GROUP("Cursor navigation") \ | |
331 | REQ_(MOVE_UP, "Move cursor one line up"), \ | |
332 | REQ_(MOVE_DOWN, "Move cursor one line down"), \ | |
333 | REQ_(MOVE_PAGE_DOWN, "Move cursor one page down"), \ | |
334 | REQ_(MOVE_PAGE_UP, "Move cursor one page up"), \ | |
335 | REQ_(MOVE_FIRST_LINE, "Move cursor to first line"), \ | |
336 | REQ_(MOVE_LAST_LINE, "Move cursor to last line"), \ | |
337 | \ | |
338 | REQ_GROUP("Scrolling") \ | |
339 | REQ_(SCROLL_LINE_UP, "Scroll one line up"), \ | |
340 | REQ_(SCROLL_LINE_DOWN, "Scroll one line down"), \ | |
341 | REQ_(SCROLL_PAGE_UP, "Scroll one page up"), \ | |
342 | REQ_(SCROLL_PAGE_DOWN, "Scroll one page down"), \ | |
343 | \ | |
4af34daa JF |
344 | REQ_GROUP("Searching") \ |
345 | REQ_(SEARCH, "Search the view"), \ | |
346 | REQ_(SEARCH_BACK, "Search backwards in the view"), \ | |
347 | REQ_(FIND_NEXT, "Find next search match"), \ | |
348 | REQ_(FIND_PREV, "Find previous search match"), \ | |
349 | \ | |
24b5b3e0 JF |
350 | REQ_GROUP("Misc") \ |
351 | REQ_(PROMPT, "Bring up the prompt"), \ | |
24b5b3e0 JF |
352 | REQ_(SCREEN_REDRAW, "Redraw the screen"), \ |
353 | REQ_(SCREEN_RESIZE, "Resize the screen"), \ | |
354 | REQ_(SHOW_VERSION, "Show version information"), \ | |
355 | REQ_(STOP_LOADING, "Stop all loading views"), \ | |
54efb62b | 356 | REQ_(TOGGLE_LINENO, "Toggle line numbers"), \ |
ca1d71ea | 357 | REQ_(TOGGLE_REV_GRAPH, "Toggle revision graph visualization"), \ |
0cea0d43 | 358 | REQ_(STATUS_UPDATE, "Update file status"), \ |
b5c18d9d | 359 | REQ_(STATUS_MERGE, "Merge file using external tool"), \ |
c509eed2 | 360 | REQ_(TREE_PARENT, "Switch to parent directory in tree view"), \ |
226da94b | 361 | REQ_(EDIT, "Open in editor"), \ |
d31a629d | 362 | REQ_(NONE, "Do nothing") |
24b5b3e0 JF |
363 | |
364 | ||
365 | /* User action requests. */ | |
366 | enum request { | |
367 | #define REQ_GROUP(help) | |
368 | #define REQ_(req, help) REQ_##req | |
369 | ||
370 | /* Offset all requests to avoid conflicts with ncurses getch values. */ | |
371 | REQ_OFFSET = KEY_MAX + 1, | |
d31a629d | 372 | REQ_INFO |
24b5b3e0 JF |
373 | |
374 | #undef REQ_GROUP | |
375 | #undef REQ_ | |
376 | }; | |
377 | ||
378 | struct request_info { | |
379 | enum request request; | |
04e2b7b2 JF |
380 | char *name; |
381 | int namelen; | |
24b5b3e0 JF |
382 | char *help; |
383 | }; | |
384 | ||
385 | static struct request_info req_info[] = { | |
04e2b7b2 JF |
386 | #define REQ_GROUP(help) { 0, NULL, 0, (help) }, |
387 | #define REQ_(req, help) { REQ_##req, (#req), STRING_SIZE(#req), (help) } | |
24b5b3e0 JF |
388 | REQ_INFO |
389 | #undef REQ_GROUP | |
390 | #undef REQ_ | |
391 | }; | |
392 | ||
04e2b7b2 JF |
393 | static enum request |
394 | get_request(const char *name) | |
395 | { | |
396 | int namelen = strlen(name); | |
397 | int i; | |
398 | ||
399 | for (i = 0; i < ARRAY_SIZE(req_info); i++) | |
400 | if (req_info[i].namelen == namelen && | |
401 | !string_enum_compare(req_info[i].name, name, namelen)) | |
402 | return req_info[i].request; | |
403 | ||
d31a629d | 404 | return REQ_NONE; |
04e2b7b2 JF |
405 | } |
406 | ||
407 | ||
8eb62770 JF |
408 | /* |
409 | * Options | |
410 | */ | |
b76c2afc | 411 | |
4b8c01a3 | 412 | static const char usage[] = |
ec31d0d0 | 413 | "tig " TIG_VERSION " (" __DATE__ ")\n" |
4b8c01a3 | 414 | "\n" |
77452abc JF |
415 | "Usage: tig [options] [revs] [--] [paths]\n" |
416 | " or: tig show [options] [revs] [--] [paths]\n" | |
417 | " or: tig status\n" | |
418 | " or: tig < [git command output]\n" | |
4b8c01a3 JF |
419 | "\n" |
420 | "Options:\n" | |
77452abc JF |
421 | " -v, --version Show version and exit\n" |
422 | " -h, --help Show help message and exit\n"; | |
4b8c01a3 | 423 | |
6706b2ba | 424 | /* Option and state variables. */ |
92d30f5c | 425 | static bool opt_line_number = FALSE; |
11ce319e | 426 | static bool opt_rev_graph = FALSE; |
92d30f5c JF |
427 | static int opt_num_interval = NUMBER_INTERVAL; |
428 | static int opt_tab_size = TABSIZE; | |
429 | static enum request opt_request = REQ_VIEW_MAIN; | |
430 | static char opt_cmd[SIZEOF_STR] = ""; | |
e733ee54 | 431 | static char opt_path[SIZEOF_STR] = ""; |
92d30f5c JF |
432 | static FILE *opt_pipe = NULL; |
433 | static char opt_encoding[20] = "UTF-8"; | |
434 | static bool opt_utf8 = TRUE; | |
435 | static char opt_codeset[20] = "UTF-8"; | |
436 | static iconv_t opt_iconv = ICONV_NONE; | |
437 | static char opt_search[SIZEOF_STR] = ""; | |
91c5d983 | 438 | static char opt_cdup[SIZEOF_STR] = ""; |
810f0078 | 439 | static char opt_git_dir[SIZEOF_STR] = ""; |
5bdd523b | 440 | static signed char opt_is_inside_work_tree = -1; /* set to TRUE or FALSE */ |
0cea0d43 | 441 | static char opt_editor[SIZEOF_STR] = ""; |
b76c2afc | 442 | |
6dbf6c19 JF |
443 | enum option_type { |
444 | OPT_NONE, | |
445 | OPT_INT, | |
446 | }; | |
447 | ||
448 | static bool | |
449 | check_option(char *opt, char short_name, char *name, enum option_type type, ...) | |
450 | { | |
451 | va_list args; | |
452 | char *value = ""; | |
453 | int *number; | |
454 | ||
455 | if (opt[0] != '-') | |
456 | return FALSE; | |
457 | ||
458 | if (opt[1] == '-') { | |
459 | int namelen = strlen(name); | |
460 | ||
461 | opt += 2; | |
462 | ||
463 | if (strncmp(opt, name, namelen)) | |
464 | return FALSE; | |
465 | ||
466 | if (opt[namelen] == '=') | |
467 | value = opt + namelen + 1; | |
468 | ||
469 | } else { | |
470 | if (!short_name || opt[1] != short_name) | |
471 | return FALSE; | |
472 | value = opt + 2; | |
473 | } | |
474 | ||
475 | va_start(args, type); | |
476 | if (type == OPT_INT) { | |
477 | number = va_arg(args, int *); | |
478 | if (isdigit(*value)) | |
479 | *number = atoi(value); | |
480 | } | |
481 | va_end(args); | |
482 | ||
483 | return TRUE; | |
484 | } | |
485 | ||
b76c2afc | 486 | /* Returns the index of log or diff command or -1 to exit. */ |
8855ada4 | 487 | static bool |
b76c2afc JF |
488 | parse_options(int argc, char *argv[]) |
489 | { | |
77452abc JF |
490 | char *altargv[1024]; |
491 | int altargc = 0; | |
492 | char *subcommand = NULL; | |
b76c2afc JF |
493 | int i; |
494 | ||
495 | for (i = 1; i < argc; i++) { | |
496 | char *opt = argv[i]; | |
497 | ||
3621d94e | 498 | if (!strcmp(opt, "log") || |
77452abc JF |
499 | !strcmp(opt, "diff")) { |
500 | subcommand = opt; | |
3621d94e JF |
501 | opt_request = opt[0] == 'l' |
502 | ? REQ_VIEW_LOG : REQ_VIEW_DIFF; | |
77452abc JF |
503 | warn("`tig %s' has been deprecated", opt); |
504 | break; | |
505 | } | |
506 | ||
507 | if (!strcmp(opt, "show")) { | |
508 | subcommand = opt; | |
509 | opt_request = REQ_VIEW_DIFF; | |
510 | break; | |
511 | } | |
512 | ||
513 | if (!strcmp(opt, "status")) { | |
514 | subcommand = opt; | |
515 | opt_request = REQ_VIEW_STATUS; | |
3621d94e JF |
516 | break; |
517 | } | |
518 | ||
8d27b36e JF |
519 | if (opt[0] && opt[0] != '-') |
520 | break; | |
521 | ||
bfe97931 JF |
522 | if (!strcmp(opt, "--")) { |
523 | i++; | |
524 | break; | |
525 | } | |
526 | ||
527 | if (check_option(opt, 'v', "version", OPT_NONE)) { | |
528 | printf("tig version %s\n", TIG_VERSION); | |
529 | return FALSE; | |
530 | } | |
531 | ||
532 | if (check_option(opt, 'h', "help", OPT_NONE)) { | |
533 | printf(usage); | |
534 | return FALSE; | |
535 | } | |
536 | ||
537 | if (!strcmp(opt, "-S")) { | |
77452abc | 538 | warn("`%s' has been deprecated; use `tig status' instead", opt); |
bfe97931 JF |
539 | opt_request = REQ_VIEW_STATUS; |
540 | continue; | |
541 | } | |
542 | ||
6b161b31 | 543 | if (!strcmp(opt, "-l")) { |
4a2909a7 | 544 | opt_request = REQ_VIEW_LOG; |
77452abc | 545 | } else if (!strcmp(opt, "-d")) { |
4a2909a7 | 546 | opt_request = REQ_VIEW_DIFF; |
77452abc | 547 | } else if (check_option(opt, 'n', "line-number", OPT_INT, &opt_num_interval)) { |
6b161b31 | 548 | opt_line_number = TRUE; |
77452abc | 549 | } else if (check_option(opt, 'b', "tab-size", OPT_INT, &opt_tab_size)) { |
6dbf6c19 | 550 | opt_tab_size = MIN(opt_tab_size, TABSIZE); |
77452abc JF |
551 | } else { |
552 | if (altargc >= ARRAY_SIZE(altargv)) | |
553 | die("maximum number of arguments exceeded"); | |
554 | altargv[altargc++] = opt; | |
6706b2ba JF |
555 | continue; |
556 | } | |
557 | ||
77452abc | 558 | warn("`%s' has been deprecated", opt); |
b76c2afc JF |
559 | } |
560 | ||
77452abc JF |
561 | /* Check that no 'alt' arguments occured before a subcommand. */ |
562 | if (subcommand && i < argc && altargc > 0) | |
563 | die("unknown arguments before `%s'", argv[i]); | |
564 | ||
6908bdbd | 565 | if (!isatty(STDIN_FILENO)) { |
6908bdbd JF |
566 | opt_request = REQ_VIEW_PAGER; |
567 | opt_pipe = stdin; | |
568 | ||
77452abc JF |
569 | } else if (opt_request == REQ_VIEW_STATUS) { |
570 | if (argc - i > 1) | |
571 | warn("ignoring arguments after `%s'", argv[i]); | |
572 | ||
573 | } else if (i < argc || altargc > 0) { | |
574 | int alti = 0; | |
6908bdbd JF |
575 | size_t buf_size; |
576 | ||
6908bdbd | 577 | if (opt_request == REQ_VIEW_MAIN) |
8855ada4 JF |
578 | /* XXX: This is vulnerable to the user overriding |
579 | * options required for the main view parser. */ | |
e81e9c2c | 580 | string_copy(opt_cmd, "git log --no-color --pretty=raw --boundary"); |
6908bdbd JF |
581 | else |
582 | string_copy(opt_cmd, "git"); | |
583 | buf_size = strlen(opt_cmd); | |
584 | ||
77452abc JF |
585 | while (buf_size < sizeof(opt_cmd) && alti < altargc) { |
586 | opt_cmd[buf_size++] = ' '; | |
587 | buf_size = sq_quote(opt_cmd, buf_size, altargv[alti++]); | |
588 | } | |
589 | ||
6908bdbd JF |
590 | while (buf_size < sizeof(opt_cmd) && i < argc) { |
591 | opt_cmd[buf_size++] = ' '; | |
592 | buf_size = sq_quote(opt_cmd, buf_size, argv[i++]); | |
593 | } | |
594 | ||
595 | if (buf_size >= sizeof(opt_cmd)) | |
596 | die("command too long"); | |
597 | ||
598 | opt_cmd[buf_size] = 0; | |
6908bdbd JF |
599 | } |
600 | ||
afdc35b3 JF |
601 | if (*opt_encoding && strcasecmp(opt_encoding, "UTF-8")) |
602 | opt_utf8 = FALSE; | |
603 | ||
8855ada4 | 604 | return TRUE; |
b76c2afc JF |
605 | } |
606 | ||
607 | ||
54efb62b JF |
608 | /* |
609 | * Line-oriented content detection. | |
610 | */ | |
611 | ||
2e8488b4 | 612 | #define LINE_INFO \ |
660e09ad | 613 | LINE(DIFF_HEADER, "diff --git ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ |
a28bcc22 JF |
614 | LINE(DIFF_CHUNK, "@@", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
615 | LINE(DIFF_ADD, "+", COLOR_GREEN, COLOR_DEFAULT, 0), \ | |
616 | LINE(DIFF_DEL, "-", COLOR_RED, COLOR_DEFAULT, 0), \ | |
660e09ad JF |
617 | LINE(DIFF_INDEX, "index ", COLOR_BLUE, COLOR_DEFAULT, 0), \ |
618 | LINE(DIFF_OLDMODE, "old file mode ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
619 | LINE(DIFF_NEWMODE, "new file mode ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
620 | LINE(DIFF_COPY_FROM, "copy from", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
621 | LINE(DIFF_COPY_TO, "copy to", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
622 | LINE(DIFF_RENAME_FROM, "rename from", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
623 | LINE(DIFF_RENAME_TO, "rename to", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
624 | LINE(DIFF_SIMILARITY, "similarity ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
625 | LINE(DIFF_DISSIMILARITY,"dissimilarity ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
626 | LINE(DIFF_TREE, "diff-tree ", COLOR_BLUE, COLOR_DEFAULT, 0), \ | |
6908bdbd | 627 | LINE(PP_AUTHOR, "Author: ", COLOR_CYAN, COLOR_DEFAULT, 0), \ |
8855ada4 | 628 | LINE(PP_COMMIT, "Commit: ", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
6908bdbd JF |
629 | LINE(PP_MERGE, "Merge: ", COLOR_BLUE, COLOR_DEFAULT, 0), \ |
630 | LINE(PP_DATE, "Date: ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
8855ada4 JF |
631 | LINE(PP_ADATE, "AuthorDate: ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ |
632 | LINE(PP_CDATE, "CommitDate: ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
7b99a34c | 633 | LINE(PP_REFS, "Refs: ", COLOR_RED, COLOR_DEFAULT, 0), \ |
a28bcc22 JF |
634 | LINE(COMMIT, "commit ", COLOR_GREEN, COLOR_DEFAULT, 0), \ |
635 | LINE(PARENT, "parent ", COLOR_BLUE, COLOR_DEFAULT, 0), \ | |
636 | LINE(TREE, "tree ", COLOR_BLUE, COLOR_DEFAULT, 0), \ | |
8855ada4 | 637 | LINE(AUTHOR, "author ", COLOR_CYAN, COLOR_DEFAULT, 0), \ |
a28bcc22 | 638 | LINE(COMMITTER, "committer ", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
a28bcc22 | 639 | LINE(SIGNOFF, " Signed-off-by", COLOR_YELLOW, COLOR_DEFAULT, 0), \ |
d4d8de8f | 640 | LINE(ACKED, " Acked-by", COLOR_YELLOW, COLOR_DEFAULT, 0), \ |
a28bcc22 JF |
641 | LINE(DEFAULT, "", COLOR_DEFAULT, COLOR_DEFAULT, A_NORMAL), \ |
642 | LINE(CURSOR, "", COLOR_WHITE, COLOR_GREEN, A_BOLD), \ | |
643 | LINE(STATUS, "", COLOR_GREEN, COLOR_DEFAULT, 0), \ | |
6b161b31 JF |
644 | LINE(TITLE_BLUR, "", COLOR_WHITE, COLOR_BLUE, 0), \ |
645 | LINE(TITLE_FOCUS, "", COLOR_WHITE, COLOR_BLUE, A_BOLD), \ | |
a28bcc22 JF |
646 | LINE(MAIN_DATE, "", COLOR_BLUE, COLOR_DEFAULT, 0), \ |
647 | LINE(MAIN_AUTHOR, "", COLOR_GREEN, COLOR_DEFAULT, 0), \ | |
648 | LINE(MAIN_COMMIT, "", COLOR_DEFAULT, COLOR_DEFAULT, 0), \ | |
c34d9c9f JF |
649 | LINE(MAIN_DELIM, "", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
650 | LINE(MAIN_TAG, "", COLOR_MAGENTA, COLOR_DEFAULT, A_BOLD), \ | |
e15ec88e | 651 | LINE(MAIN_REMOTE, "", COLOR_YELLOW, COLOR_DEFAULT, A_BOLD), \ |
660e09ad | 652 | LINE(MAIN_REF, "", COLOR_CYAN, COLOR_DEFAULT, A_BOLD), \ |
f83b1c33 | 653 | LINE(MAIN_REVGRAPH,"", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
e733ee54 | 654 | LINE(TREE_DIR, "", COLOR_DEFAULT, COLOR_DEFAULT, A_NORMAL), \ |
173d76ea | 655 | LINE(TREE_FILE, "", COLOR_DEFAULT, COLOR_DEFAULT, A_NORMAL), \ |
53924375 | 656 | LINE(STAT_SECTION, "", COLOR_CYAN, COLOR_DEFAULT, 0), \ |
173d76ea | 657 | LINE(STAT_NONE, "", COLOR_DEFAULT, COLOR_DEFAULT, 0), \ |
53924375 JF |
658 | LINE(STAT_STAGED, "", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
659 | LINE(STAT_UNSTAGED,"", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ | |
173d76ea | 660 | LINE(STAT_UNTRACKED,"", COLOR_MAGENTA, COLOR_DEFAULT, 0) |
660e09ad | 661 | |
78c70acd | 662 | enum line_type { |
2e8488b4 JF |
663 | #define LINE(type, line, fg, bg, attr) \ |
664 | LINE_##type | |
665 | LINE_INFO | |
666 | #undef LINE | |
78c70acd JF |
667 | }; |
668 | ||
669 | struct line_info { | |
660e09ad JF |
670 | const char *name; /* Option name. */ |
671 | int namelen; /* Size of option name. */ | |
4685845e | 672 | const char *line; /* The start of line to match. */ |
2e8488b4 JF |
673 | int linelen; /* Size of string to match. */ |
674 | int fg, bg, attr; /* Color and text attributes for the lines. */ | |
78c70acd JF |
675 | }; |
676 | ||
2e8488b4 | 677 | static struct line_info line_info[] = { |
78c70acd | 678 | #define LINE(type, line, fg, bg, attr) \ |
660e09ad | 679 | { #type, STRING_SIZE(#type), (line), STRING_SIZE(line), (fg), (bg), (attr) } |
2e8488b4 JF |
680 | LINE_INFO |
681 | #undef LINE | |
78c70acd JF |
682 | }; |
683 | ||
2e8488b4 JF |
684 | static enum line_type |
685 | get_line_type(char *line) | |
78c70acd JF |
686 | { |
687 | int linelen = strlen(line); | |
a28bcc22 | 688 | enum line_type type; |
78c70acd | 689 | |
a28bcc22 | 690 | for (type = 0; type < ARRAY_SIZE(line_info); type++) |
2e8488b4 | 691 | /* Case insensitive search matches Signed-off-by lines better. */ |
a28bcc22 JF |
692 | if (linelen >= line_info[type].linelen && |
693 | !strncasecmp(line_info[type].line, line, line_info[type].linelen)) | |
694 | return type; | |
78c70acd | 695 | |
2e8488b4 | 696 | return LINE_DEFAULT; |
78c70acd JF |
697 | } |
698 | ||
2e8488b4 | 699 | static inline int |
78c70acd JF |
700 | get_line_attr(enum line_type type) |
701 | { | |
2e8488b4 JF |
702 | assert(type < ARRAY_SIZE(line_info)); |
703 | return COLOR_PAIR(type) | line_info[type].attr; | |
78c70acd JF |
704 | } |
705 | ||
660e09ad JF |
706 | static struct line_info * |
707 | get_line_info(char *name, int namelen) | |
708 | { | |
709 | enum line_type type; | |
660e09ad JF |
710 | |
711 | for (type = 0; type < ARRAY_SIZE(line_info); type++) | |
712 | if (namelen == line_info[type].namelen && | |
201f5a18 | 713 | !string_enum_compare(line_info[type].name, name, namelen)) |
660e09ad JF |
714 | return &line_info[type]; |
715 | ||
716 | return NULL; | |
717 | } | |
718 | ||
78c70acd JF |
719 | static void |
720 | init_colors(void) | |
721 | { | |
62c7d1a7 JF |
722 | int default_bg = line_info[LINE_DEFAULT].bg; |
723 | int default_fg = line_info[LINE_DEFAULT].fg; | |
a28bcc22 | 724 | enum line_type type; |
78c70acd JF |
725 | |
726 | start_color(); | |
727 | ||
62c7d1a7 JF |
728 | if (assume_default_colors(default_fg, default_bg) == ERR) { |
729 | default_bg = COLOR_BLACK; | |
730 | default_fg = COLOR_WHITE; | |
78c70acd JF |
731 | } |
732 | ||
a28bcc22 JF |
733 | for (type = 0; type < ARRAY_SIZE(line_info); type++) { |
734 | struct line_info *info = &line_info[type]; | |
82e78006 JF |
735 | int bg = info->bg == COLOR_DEFAULT ? default_bg : info->bg; |
736 | int fg = info->fg == COLOR_DEFAULT ? default_fg : info->fg; | |
78c70acd | 737 | |
a28bcc22 | 738 | init_pair(type, fg, bg); |
78c70acd JF |
739 | } |
740 | } | |
741 | ||
fe7233c3 JF |
742 | struct line { |
743 | enum line_type type; | |
3c571d67 JF |
744 | |
745 | /* State flags */ | |
746 | unsigned int selected:1; | |
747 | ||
fe7233c3 JF |
748 | void *data; /* User data */ |
749 | }; | |
750 | ||
78c70acd | 751 | |
1899507c | 752 | /* |
37157fa0 JF |
753 | * Keys |
754 | */ | |
755 | ||
93a97d86 | 756 | struct keybinding { |
37157fa0 | 757 | int alias; |
93a97d86 | 758 | enum request request; |
04e2b7b2 | 759 | struct keybinding *next; |
37157fa0 JF |
760 | }; |
761 | ||
93a97d86 | 762 | static struct keybinding default_keybindings[] = { |
37157fa0 JF |
763 | /* View switching */ |
764 | { 'm', REQ_VIEW_MAIN }, | |
765 | { 'd', REQ_VIEW_DIFF }, | |
766 | { 'l', REQ_VIEW_LOG }, | |
e733ee54 | 767 | { 't', REQ_VIEW_TREE }, |
0001fc34 | 768 | { 'f', REQ_VIEW_BLOB }, |
37157fa0 JF |
769 | { 'p', REQ_VIEW_PAGER }, |
770 | { 'h', REQ_VIEW_HELP }, | |
173d76ea | 771 | { 'S', REQ_VIEW_STATUS }, |
3e634113 | 772 | { 'c', REQ_VIEW_STAGE }, |
37157fa0 JF |
773 | |
774 | /* View manipulation */ | |
775 | { 'q', REQ_VIEW_CLOSE }, | |
776 | { KEY_TAB, REQ_VIEW_NEXT }, | |
777 | { KEY_RETURN, REQ_ENTER }, | |
778 | { KEY_UP, REQ_PREVIOUS }, | |
779 | { KEY_DOWN, REQ_NEXT }, | |
acaef3b3 | 780 | { 'R', REQ_REFRESH }, |
37157fa0 JF |
781 | |
782 | /* Cursor navigation */ | |
783 | { 'k', REQ_MOVE_UP }, | |
784 | { 'j', REQ_MOVE_DOWN }, | |
785 | { KEY_HOME, REQ_MOVE_FIRST_LINE }, | |
786 | { KEY_END, REQ_MOVE_LAST_LINE }, | |
787 | { KEY_NPAGE, REQ_MOVE_PAGE_DOWN }, | |
788 | { ' ', REQ_MOVE_PAGE_DOWN }, | |
789 | { KEY_PPAGE, REQ_MOVE_PAGE_UP }, | |
790 | { 'b', REQ_MOVE_PAGE_UP }, | |
791 | { '-', REQ_MOVE_PAGE_UP }, | |
792 | ||
793 | /* Scrolling */ | |
794 | { KEY_IC, REQ_SCROLL_LINE_UP }, | |
795 | { KEY_DC, REQ_SCROLL_LINE_DOWN }, | |
796 | { 'w', REQ_SCROLL_PAGE_UP }, | |
797 | { 's', REQ_SCROLL_PAGE_DOWN }, | |
798 | ||
4af34daa JF |
799 | /* Searching */ |
800 | { '/', REQ_SEARCH }, | |
801 | { '?', REQ_SEARCH_BACK }, | |
802 | { 'n', REQ_FIND_NEXT }, | |
803 | { 'N', REQ_FIND_PREV }, | |
804 | ||
37157fa0 JF |
805 | /* Misc */ |
806 | { 'Q', REQ_QUIT }, | |
807 | { 'z', REQ_STOP_LOADING }, | |
808 | { 'v', REQ_SHOW_VERSION }, | |
809 | { 'r', REQ_SCREEN_REDRAW }, | |
904e68d8 | 810 | { '.', REQ_TOGGLE_LINENO }, |
73fb51d5 | 811 | { 'g', REQ_TOGGLE_REV_GRAPH }, |
37157fa0 | 812 | { ':', REQ_PROMPT }, |
ca1d71ea | 813 | { 'u', REQ_STATUS_UPDATE }, |
b5c18d9d | 814 | { 'M', REQ_STATUS_MERGE }, |
c509eed2 | 815 | { ',', REQ_TREE_PARENT }, |
0cea0d43 | 816 | { 'e', REQ_EDIT }, |
37157fa0 | 817 | |
1d754561 | 818 | /* Using the ncurses SIGWINCH handler. */ |
37157fa0 JF |
819 | { KEY_RESIZE, REQ_SCREEN_RESIZE }, |
820 | }; | |
821 | ||
04e2b7b2 JF |
822 | #define KEYMAP_INFO \ |
823 | KEYMAP_(GENERIC), \ | |
824 | KEYMAP_(MAIN), \ | |
825 | KEYMAP_(DIFF), \ | |
826 | KEYMAP_(LOG), \ | |
e733ee54 JF |
827 | KEYMAP_(TREE), \ |
828 | KEYMAP_(BLOB), \ | |
04e2b7b2 | 829 | KEYMAP_(PAGER), \ |
173d76ea | 830 | KEYMAP_(HELP), \ |
3e634113 JF |
831 | KEYMAP_(STATUS), \ |
832 | KEYMAP_(STAGE) | |
04e2b7b2 JF |
833 | |
834 | enum keymap { | |
835 | #define KEYMAP_(name) KEYMAP_##name | |
836 | KEYMAP_INFO | |
837 | #undef KEYMAP_ | |
838 | }; | |
839 | ||
840 | static struct int_map keymap_table[] = { | |
841 | #define KEYMAP_(name) { #name, STRING_SIZE(#name), KEYMAP_##name } | |
842 | KEYMAP_INFO | |
843 | #undef KEYMAP_ | |
844 | }; | |
845 | ||
846 | #define set_keymap(map, name) \ | |
847 | set_from_int_map(keymap_table, ARRAY_SIZE(keymap_table), map, name, strlen(name)) | |
848 | ||
849 | static struct keybinding *keybindings[ARRAY_SIZE(keymap_table)]; | |
850 | ||
851 | static void | |
852 | add_keybinding(enum keymap keymap, enum request request, int key) | |
853 | { | |
854 | struct keybinding *keybinding; | |
855 | ||
856 | keybinding = calloc(1, sizeof(*keybinding)); | |
857 | if (!keybinding) | |
858 | die("Failed to allocate keybinding"); | |
859 | ||
860 | keybinding->alias = key; | |
861 | keybinding->request = request; | |
862 | keybinding->next = keybindings[keymap]; | |
863 | keybindings[keymap] = keybinding; | |
864 | } | |
865 | ||
866 | /* Looks for a key binding first in the given map, then in the generic map, and | |
867 | * lastly in the default keybindings. */ | |
37157fa0 | 868 | static enum request |
04e2b7b2 | 869 | get_keybinding(enum keymap keymap, int key) |
37157fa0 | 870 | { |
04e2b7b2 | 871 | struct keybinding *kbd; |
37157fa0 JF |
872 | int i; |
873 | ||
04e2b7b2 JF |
874 | for (kbd = keybindings[keymap]; kbd; kbd = kbd->next) |
875 | if (kbd->alias == key) | |
876 | return kbd->request; | |
877 | ||
878 | for (kbd = keybindings[KEYMAP_GENERIC]; kbd; kbd = kbd->next) | |
879 | if (kbd->alias == key) | |
880 | return kbd->request; | |
881 | ||
93a97d86 JF |
882 | for (i = 0; i < ARRAY_SIZE(default_keybindings); i++) |
883 | if (default_keybindings[i].alias == key) | |
884 | return default_keybindings[i].request; | |
37157fa0 JF |
885 | |
886 | return (enum request) key; | |
887 | } | |
888 | ||
93a97d86 | 889 | |
37157fa0 JF |
890 | struct key { |
891 | char *name; | |
892 | int value; | |
893 | }; | |
894 | ||
895 | static struct key key_table[] = { | |
896 | { "Enter", KEY_RETURN }, | |
897 | { "Space", ' ' }, | |
898 | { "Backspace", KEY_BACKSPACE }, | |
899 | { "Tab", KEY_TAB }, | |
900 | { "Escape", KEY_ESC }, | |
901 | { "Left", KEY_LEFT }, | |
902 | { "Right", KEY_RIGHT }, | |
903 | { "Up", KEY_UP }, | |
904 | { "Down", KEY_DOWN }, | |
905 | { "Insert", KEY_IC }, | |
906 | { "Delete", KEY_DC }, | |
74f83ee6 | 907 | { "Hash", '#' }, |
37157fa0 JF |
908 | { "Home", KEY_HOME }, |
909 | { "End", KEY_END }, | |
910 | { "PageUp", KEY_PPAGE }, | |
911 | { "PageDown", KEY_NPAGE }, | |
912 | { "F1", KEY_F(1) }, | |
913 | { "F2", KEY_F(2) }, | |
914 | { "F3", KEY_F(3) }, | |
915 | { "F4", KEY_F(4) }, | |
916 | { "F5", KEY_F(5) }, | |
917 | { "F6", KEY_F(6) }, | |
918 | { "F7", KEY_F(7) }, | |
919 | { "F8", KEY_F(8) }, | |
920 | { "F9", KEY_F(9) }, | |
921 | { "F10", KEY_F(10) }, | |
922 | { "F11", KEY_F(11) }, | |
923 | { "F12", KEY_F(12) }, | |
924 | }; | |
925 | ||
04e2b7b2 JF |
926 | static int |
927 | get_key_value(const char *name) | |
928 | { | |
929 | int i; | |
930 | ||
931 | for (i = 0; i < ARRAY_SIZE(key_table); i++) | |
932 | if (!strcasecmp(key_table[i].name, name)) | |
933 | return key_table[i].value; | |
934 | ||
935 | if (strlen(name) == 1 && isprint(*name)) | |
936 | return (int) *name; | |
937 | ||
938 | return ERR; | |
939 | } | |
940 | ||
37157fa0 | 941 | static char * |
9eb14b72 JF |
942 | get_key_name(int key_value) |
943 | { | |
944 | static char key_char[] = "'X'"; | |
945 | char *seq = NULL; | |
946 | int key; | |
947 | ||
948 | for (key = 0; key < ARRAY_SIZE(key_table); key++) | |
949 | if (key_table[key].value == key_value) | |
950 | seq = key_table[key].name; | |
951 | ||
952 | if (seq == NULL && | |
953 | key_value < 127 && | |
954 | isprint(key_value)) { | |
955 | key_char[1] = (char) key_value; | |
956 | seq = key_char; | |
957 | } | |
958 | ||
959 | return seq ? seq : "'?'"; | |
960 | } | |
961 | ||
962 | static char * | |
37157fa0 JF |
963 | get_key(enum request request) |
964 | { | |
965 | static char buf[BUFSIZ]; | |
d65ced0d | 966 | size_t pos = 0; |
520094b4 | 967 | char *sep = ""; |
37157fa0 JF |
968 | int i; |
969 | ||
970 | buf[pos] = 0; | |
971 | ||
93a97d86 JF |
972 | for (i = 0; i < ARRAY_SIZE(default_keybindings); i++) { |
973 | struct keybinding *keybinding = &default_keybindings[i]; | |
37157fa0 | 974 | |
93a97d86 | 975 | if (keybinding->request != request) |
37157fa0 JF |
976 | continue; |
977 | ||
738bee4a JF |
978 | if (!string_format_from(buf, &pos, "%s%s", sep, |
979 | get_key_name(keybinding->alias))) | |
37157fa0 JF |
980 | return "Too many keybindings!"; |
981 | sep = ", "; | |
982 | } | |
983 | ||
984 | return buf; | |
985 | } | |
986 | ||
9eb14b72 JF |
987 | struct run_request { |
988 | enum keymap keymap; | |
989 | int key; | |
990 | char cmd[SIZEOF_STR]; | |
991 | }; | |
992 | ||
993 | static struct run_request *run_request; | |
994 | static size_t run_requests; | |
995 | ||
996 | static enum request | |
997 | add_run_request(enum keymap keymap, int key, int argc, char **argv) | |
998 | { | |
999 | struct run_request *tmp; | |
1000 | struct run_request req = { keymap, key }; | |
1001 | size_t bufpos; | |
1002 | ||
1003 | for (bufpos = 0; argc > 0; argc--, argv++) | |
1004 | if (!string_format_from(req.cmd, &bufpos, "%s ", *argv)) | |
1005 | return REQ_NONE; | |
1006 | ||
1007 | req.cmd[bufpos - 1] = 0; | |
1008 | ||
1009 | tmp = realloc(run_request, (run_requests + 1) * sizeof(*run_request)); | |
1010 | if (!tmp) | |
1011 | return REQ_NONE; | |
1012 | ||
1013 | run_request = tmp; | |
1014 | run_request[run_requests++] = req; | |
1015 | ||
1016 | return REQ_NONE + run_requests; | |
1017 | } | |
1018 | ||
1019 | static struct run_request * | |
1020 | get_run_request(enum request request) | |
1021 | { | |
1022 | if (request <= REQ_NONE) | |
1023 | return NULL; | |
1024 | return &run_request[request - REQ_NONE - 1]; | |
1025 | } | |
37157fa0 | 1026 | |
f655964f JF |
1027 | static void |
1028 | add_builtin_run_requests(void) | |
1029 | { | |
1030 | struct { | |
1031 | enum keymap keymap; | |
1032 | int key; | |
1033 | char *argv[1]; | |
1034 | } reqs[] = { | |
1035 | { KEYMAP_MAIN, 'C', { "git cherry-pick %(commit)" } }, | |
1036 | { KEYMAP_GENERIC, 'G', { "git gc" } }, | |
1037 | }; | |
1038 | int i; | |
1039 | ||
1040 | for (i = 0; i < ARRAY_SIZE(reqs); i++) { | |
1041 | enum request req; | |
1042 | ||
1043 | req = add_run_request(reqs[i].keymap, reqs[i].key, 1, reqs[i].argv); | |
1044 | if (req != REQ_NONE) | |
1045 | add_keybinding(reqs[i].keymap, req, reqs[i].key); | |
1046 | } | |
1047 | } | |
1048 | ||
37157fa0 | 1049 | /* |
1899507c JF |
1050 | * User config file handling. |
1051 | */ | |
1052 | ||
5dc795f2 JF |
1053 | static struct int_map color_map[] = { |
1054 | #define COLOR_MAP(name) { #name, STRING_SIZE(#name), COLOR_##name } | |
1055 | COLOR_MAP(DEFAULT), | |
1056 | COLOR_MAP(BLACK), | |
1057 | COLOR_MAP(BLUE), | |
1058 | COLOR_MAP(CYAN), | |
1059 | COLOR_MAP(GREEN), | |
1060 | COLOR_MAP(MAGENTA), | |
1061 | COLOR_MAP(RED), | |
1062 | COLOR_MAP(WHITE), | |
1063 | COLOR_MAP(YELLOW), | |
1064 | }; | |
1065 | ||
9256ab05 JF |
1066 | #define set_color(color, name) \ |
1067 | set_from_int_map(color_map, ARRAY_SIZE(color_map), color, name, strlen(name)) | |
660e09ad | 1068 | |
5dc795f2 JF |
1069 | static struct int_map attr_map[] = { |
1070 | #define ATTR_MAP(name) { #name, STRING_SIZE(#name), A_##name } | |
1071 | ATTR_MAP(NORMAL), | |
1072 | ATTR_MAP(BLINK), | |
1073 | ATTR_MAP(BOLD), | |
1074 | ATTR_MAP(DIM), | |
1075 | ATTR_MAP(REVERSE), | |
1076 | ATTR_MAP(STANDOUT), | |
1077 | ATTR_MAP(UNDERLINE), | |
1078 | }; | |
1079 | ||
9256ab05 JF |
1080 | #define set_attribute(attr, name) \ |
1081 | set_from_int_map(attr_map, ARRAY_SIZE(attr_map), attr, name, strlen(name)) | |
660e09ad | 1082 | |
3c3801c2 JF |
1083 | static int config_lineno; |
1084 | static bool config_errors; | |
1085 | static char *config_msg; | |
1086 | ||
5bfd96c7 | 1087 | /* Wants: object fgcolor bgcolor [attr] */ |
660e09ad | 1088 | static int |
5bfd96c7 | 1089 | option_color_command(int argc, char *argv[]) |
660e09ad | 1090 | { |
bca8fcaa JF |
1091 | struct line_info *info; |
1092 | ||
9256ab05 JF |
1093 | if (argc != 3 && argc != 4) { |
1094 | config_msg = "Wrong number of arguments given to color command"; | |
1095 | return ERR; | |
1096 | } | |
1097 | ||
1098 | info = get_line_info(argv[0], strlen(argv[0])); | |
bca8fcaa JF |
1099 | if (!info) { |
1100 | config_msg = "Unknown color name"; | |
1101 | return ERR; | |
1102 | } | |
660e09ad | 1103 | |
a3653368 JF |
1104 | if (set_color(&info->fg, argv[1]) == ERR || |
1105 | set_color(&info->bg, argv[2]) == ERR) { | |
bca8fcaa JF |
1106 | config_msg = "Unknown color"; |
1107 | return ERR; | |
1108 | } | |
660e09ad | 1109 | |
9256ab05 | 1110 | if (argc == 4 && set_attribute(&info->attr, argv[3]) == ERR) { |
bca8fcaa JF |
1111 | config_msg = "Unknown attribute"; |
1112 | return ERR; | |
660e09ad JF |
1113 | } |
1114 | ||
bca8fcaa JF |
1115 | return OK; |
1116 | } | |
1117 | ||
5bfd96c7 JF |
1118 | /* Wants: name = value */ |
1119 | static int | |
1120 | option_set_command(int argc, char *argv[]) | |
1121 | { | |
1122 | if (argc != 3) { | |
1123 | config_msg = "Wrong number of arguments given to set command"; | |
1124 | return ERR; | |
1125 | } | |
1126 | ||
1127 | if (strcmp(argv[1], "=")) { | |
1128 | config_msg = "No value assigned"; | |
1129 | return ERR; | |
1130 | } | |
1131 | ||
1132 | if (!strcmp(argv[0], "show-rev-graph")) { | |
1133 | opt_rev_graph = (!strcmp(argv[2], "1") || | |
1134 | !strcmp(argv[2], "true") || | |
1135 | !strcmp(argv[2], "yes")); | |
1136 | return OK; | |
1137 | } | |
1138 | ||
1139 | if (!strcmp(argv[0], "line-number-interval")) { | |
1140 | opt_num_interval = atoi(argv[2]); | |
1141 | return OK; | |
1142 | } | |
1143 | ||
1144 | if (!strcmp(argv[0], "tab-size")) { | |
1145 | opt_tab_size = atoi(argv[2]); | |
1146 | return OK; | |
1147 | } | |
1148 | ||
cb7267ee | 1149 | if (!strcmp(argv[0], "commit-encoding")) { |
3cc9a4d4 JF |
1150 | char *arg = argv[2]; |
1151 | int delimiter = *arg; | |
1152 | int i; | |
1153 | ||
1154 | switch (delimiter) { | |
1155 | case '"': | |
1156 | case '\'': | |
1157 | for (arg++, i = 0; arg[i]; i++) | |
1158 | if (arg[i] == delimiter) { | |
1159 | arg[i] = 0; | |
1160 | break; | |
1161 | } | |
1162 | default: | |
739e81de | 1163 | string_ncopy(opt_encoding, arg, strlen(arg)); |
3cc9a4d4 JF |
1164 | return OK; |
1165 | } | |
5bfd96c7 JF |
1166 | } |
1167 | ||
a3653368 | 1168 | config_msg = "Unknown variable name"; |
5bfd96c7 JF |
1169 | return ERR; |
1170 | } | |
1171 | ||
04e2b7b2 JF |
1172 | /* Wants: mode request key */ |
1173 | static int | |
1174 | option_bind_command(int argc, char *argv[]) | |
1175 | { | |
1176 | enum request request; | |
1177 | int keymap; | |
1178 | int key; | |
1179 | ||
9eb14b72 | 1180 | if (argc < 3) { |
04e2b7b2 JF |
1181 | config_msg = "Wrong number of arguments given to bind command"; |
1182 | return ERR; | |
1183 | } | |
1184 | ||
1185 | if (set_keymap(&keymap, argv[0]) == ERR) { | |
1186 | config_msg = "Unknown key map"; | |
1187 | return ERR; | |
1188 | } | |
1189 | ||
1190 | key = get_key_value(argv[1]); | |
1191 | if (key == ERR) { | |
1192 | config_msg = "Unknown key"; | |
1193 | return ERR; | |
1194 | } | |
1195 | ||
1196 | request = get_request(argv[2]); | |
f40385ae | 1197 | if (request == REQ_NONE) { |
f655964f JF |
1198 | const char *obsolete[] = { "cherry-pick" }; |
1199 | size_t namelen = strlen(argv[2]); | |
1200 | int i; | |
1201 | ||
1202 | for (i = 0; i < ARRAY_SIZE(obsolete); i++) { | |
1203 | if (namelen == strlen(obsolete[i]) && | |
1204 | !string_enum_compare(obsolete[i], argv[2], namelen)) { | |
1205 | config_msg = "Obsolete request name"; | |
1206 | return ERR; | |
1207 | } | |
1208 | } | |
1209 | } | |
9eb14b72 JF |
1210 | if (request == REQ_NONE && *argv[2]++ == '!') |
1211 | request = add_run_request(keymap, key, argc - 2, argv + 2); | |
d31a629d | 1212 | if (request == REQ_NONE) { |
04e2b7b2 JF |
1213 | config_msg = "Unknown request name"; |
1214 | return ERR; | |
1215 | } | |
1216 | ||
1217 | add_keybinding(keymap, request, key); | |
1218 | ||
1219 | return OK; | |
1220 | } | |
1221 | ||
bca8fcaa | 1222 | static int |
9256ab05 | 1223 | set_option(char *opt, char *value) |
bca8fcaa | 1224 | { |
9256ab05 JF |
1225 | char *argv[16]; |
1226 | int valuelen; | |
1227 | int argc = 0; | |
1228 | ||
1229 | /* Tokenize */ | |
1230 | while (argc < ARRAY_SIZE(argv) && (valuelen = strcspn(value, " \t"))) { | |
1231 | argv[argc++] = value; | |
9256ab05 | 1232 | value += valuelen; |
b86250da JF |
1233 | |
1234 | /* Nothing more to tokenize or last available token. */ | |
1235 | if (!*value || argc >= ARRAY_SIZE(argv)) | |
9256ab05 JF |
1236 | break; |
1237 | ||
1238 | *value++ = 0; | |
1239 | while (isspace(*value)) | |
1240 | value++; | |
1241 | } | |
1242 | ||
1243 | if (!strcmp(opt, "color")) | |
5bfd96c7 JF |
1244 | return option_color_command(argc, argv); |
1245 | ||
1246 | if (!strcmp(opt, "set")) | |
1247 | return option_set_command(argc, argv); | |
bca8fcaa | 1248 | |
04e2b7b2 JF |
1249 | if (!strcmp(opt, "bind")) |
1250 | return option_bind_command(argc, argv); | |
1251 | ||
a3653368 | 1252 | config_msg = "Unknown option command"; |
660e09ad JF |
1253 | return ERR; |
1254 | } | |
1255 | ||
1256 | static int | |
5699e0cf | 1257 | read_option(char *opt, size_t optlen, char *value, size_t valuelen) |
3c3801c2 | 1258 | { |
a3653368 JF |
1259 | int status = OK; |
1260 | ||
3c3801c2 JF |
1261 | config_lineno++; |
1262 | config_msg = "Internal error"; | |
1263 | ||
a3653368 JF |
1264 | /* Check for comment markers, since read_properties() will |
1265 | * only ensure opt and value are split at first " \t". */ | |
74f83ee6 | 1266 | optlen = strcspn(opt, "#"); |
a3653368 | 1267 | if (optlen == 0) |
3c3801c2 JF |
1268 | return OK; |
1269 | ||
a3653368 JF |
1270 | if (opt[optlen] != 0) { |
1271 | config_msg = "No option value"; | |
1272 | status = ERR; | |
1273 | ||
1274 | } else { | |
1275 | /* Look for comment endings in the value. */ | |
5699e0cf | 1276 | size_t len = strcspn(value, "#"); |
a3653368 JF |
1277 | |
1278 | if (len < valuelen) { | |
1279 | valuelen = len; | |
1280 | value[valuelen] = 0; | |
1281 | } | |
1282 | ||
1283 | status = set_option(opt, value); | |
3c3801c2 JF |
1284 | } |
1285 | ||
a3653368 JF |
1286 | if (status == ERR) { |
1287 | fprintf(stderr, "Error on line %d, near '%.*s': %s\n", | |
07c3971e | 1288 | config_lineno, (int) optlen, opt, config_msg); |
3c3801c2 JF |
1289 | config_errors = TRUE; |
1290 | } | |
1291 | ||
1292 | /* Always keep going if errors are encountered. */ | |
1293 | return OK; | |
1294 | } | |
1295 | ||
b6607e7e DV |
1296 | static void |
1297 | load_option_file(const char *path) | |
660e09ad | 1298 | { |
660e09ad JF |
1299 | FILE *file; |
1300 | ||
b6607e7e DV |
1301 | /* It's ok that the file doesn't exist. */ |
1302 | file = fopen(path, "r"); | |
1303 | if (!file) | |
1304 | return; | |
1305 | ||
3c3801c2 JF |
1306 | config_lineno = 0; |
1307 | config_errors = FALSE; | |
1308 | ||
b6607e7e DV |
1309 | if (read_properties(file, " \t", read_option) == ERR || |
1310 | config_errors == TRUE) | |
1311 | fprintf(stderr, "Errors while loading %s.\n", path); | |
1312 | } | |
f655964f | 1313 | |
b6607e7e DV |
1314 | static int |
1315 | load_options(void) | |
1316 | { | |
1317 | char *home = getenv("HOME"); | |
1318 | char *tigrc_user = getenv("TIGRC_USER"); | |
1319 | char *tigrc_system = getenv("TIGRC_SYSTEM"); | |
1320 | char buf[SIZEOF_STR]; | |
660e09ad | 1321 | |
b6607e7e | 1322 | add_builtin_run_requests(); |
660e09ad | 1323 | |
b6607e7e DV |
1324 | if (!tigrc_system) { |
1325 | if (!string_format(buf, "%s/tigrc", SYSCONFDIR)) | |
1326 | return ERR; | |
1327 | tigrc_system = buf; | |
1328 | } | |
1329 | load_option_file(tigrc_system); | |
1330 | ||
1331 | if (!tigrc_user) { | |
1332 | if (!home || !string_format(buf, "%s/.tigrc", home)) | |
1333 | return ERR; | |
1334 | tigrc_user = buf; | |
1335 | } | |
1336 | load_option_file(tigrc_user); | |
3c3801c2 JF |
1337 | |
1338 | return OK; | |
660e09ad JF |
1339 | } |
1340 | ||
1341 | ||
d839253b | 1342 | /* |
468876c9 | 1343 | * The viewer |
d839253b | 1344 | */ |
c2124ccd JF |
1345 | |
1346 | struct view; | |
fe7233c3 | 1347 | struct view_ops; |
c2124ccd JF |
1348 | |
1349 | /* The display array of active views and the index of the current view. */ | |
1350 | static struct view *display[2]; | |
1351 | static unsigned int current_view; | |
1352 | ||
ab4af23e JF |
1353 | /* Reading from the prompt? */ |
1354 | static bool input_mode = FALSE; | |
1355 | ||
33c4f9ea | 1356 | #define foreach_displayed_view(view, i) \ |
c2124ccd JF |
1357 | for (i = 0; i < ARRAY_SIZE(display) && (view = display[i]); i++) |
1358 | ||
9f41488f | 1359 | #define displayed_views() (display[1] != NULL ? 2 : 1) |
c2124ccd | 1360 | |
d839253b | 1361 | /* Current head and commit ID */ |
e733ee54 | 1362 | static char ref_blob[SIZEOF_REF] = ""; |
c2124ccd JF |
1363 | static char ref_commit[SIZEOF_REF] = "HEAD"; |
1364 | static char ref_head[SIZEOF_REF] = "HEAD"; | |
1365 | ||
b801d8b2 | 1366 | struct view { |
03a93dbb | 1367 | const char *name; /* View name */ |
4685845e TH |
1368 | const char *cmd_fmt; /* Default command line format */ |
1369 | const char *cmd_env; /* Command line set via environment */ | |
e733ee54 | 1370 | const char *id; /* Points to either of ref_{head,commit,blob} */ |
6b161b31 | 1371 | |
fe7233c3 | 1372 | struct view_ops *ops; /* View operations */ |
22f66b0a | 1373 | |
04e2b7b2 JF |
1374 | enum keymap keymap; /* What keymap does this view have */ |
1375 | ||
17482b11 | 1376 | char cmd[SIZEOF_STR]; /* Command buffer */ |
49f2b43f JF |
1377 | char ref[SIZEOF_REF]; /* Hovered commit reference */ |
1378 | char vid[SIZEOF_REF]; /* View ID. Set to id member when updating. */ | |
2e8488b4 | 1379 | |
8855ada4 JF |
1380 | int height, width; /* The width and height of the main window */ |
1381 | WINDOW *win; /* The main window */ | |
1382 | WINDOW *title; /* The title window living below the main window */ | |
b801d8b2 JF |
1383 | |
1384 | /* Navigation */ | |
1385 | unsigned long offset; /* Offset of the window top */ | |
1386 | unsigned long lineno; /* Current line number */ | |
1387 | ||
4af34daa JF |
1388 | /* Searching */ |
1389 | char grep[SIZEOF_STR]; /* Search string */ | |
b77b2cb8 | 1390 | regex_t *regex; /* Pre-compiled regex */ |
4af34daa | 1391 | |
f6da0b66 JF |
1392 | /* If non-NULL, points to the view that opened this view. If this view |
1393 | * is closed tig will switch back to the parent view. */ | |
1394 | struct view *parent; | |
1395 | ||
b801d8b2 JF |
1396 | /* Buffering */ |
1397 | unsigned long lines; /* Total number of lines */ | |
fe7233c3 | 1398 | struct line *line; /* Line index */ |
e2c01617 | 1399 | unsigned long line_size;/* Total number of allocated lines */ |
8855ada4 | 1400 | unsigned int digits; /* Number of digits in the lines member. */ |
b801d8b2 JF |
1401 | |
1402 | /* Loading */ | |
1403 | FILE *pipe; | |
2e8488b4 | 1404 | time_t start_time; |
b801d8b2 JF |
1405 | }; |
1406 | ||
fe7233c3 JF |
1407 | struct view_ops { |
1408 | /* What type of content being displayed. Used in the title bar. */ | |
1409 | const char *type; | |
f098944b JF |
1410 | /* Open and reads in all view content. */ |
1411 | bool (*open)(struct view *view); | |
fe7233c3 | 1412 | /* Read one line; updates view->line. */ |
701e4f5d | 1413 | bool (*read)(struct view *view, char *data); |
f098944b JF |
1414 | /* Draw one line; @lineno must be < view->height. */ |
1415 | bool (*draw)(struct view *view, struct line *line, unsigned int lineno, bool selected); | |
586c423d JF |
1416 | /* Depending on view handle a special requests. */ |
1417 | enum request (*request)(struct view *view, enum request request, struct line *line); | |
4af34daa JF |
1418 | /* Search for regex in a line. */ |
1419 | bool (*grep)(struct view *view, struct line *line); | |
d720de4b JF |
1420 | /* Select line */ |
1421 | void (*select)(struct view *view, struct line *line); | |
fe7233c3 JF |
1422 | }; |
1423 | ||
6b161b31 JF |
1424 | static struct view_ops pager_ops; |
1425 | static struct view_ops main_ops; | |
e733ee54 JF |
1426 | static struct view_ops tree_ops; |
1427 | static struct view_ops blob_ops; | |
f098944b | 1428 | static struct view_ops help_ops; |
173d76ea | 1429 | static struct view_ops status_ops; |
3e634113 | 1430 | static struct view_ops stage_ops; |
a28bcc22 | 1431 | |
04e2b7b2 JF |
1432 | #define VIEW_STR(name, cmd, env, ref, ops, map) \ |
1433 | { name, cmd, #env, ref, ops, map} | |
1ba2ae4b | 1434 | |
95d7ddcd | 1435 | #define VIEW_(id, name, ops, ref) \ |
04e2b7b2 | 1436 | VIEW_STR(name, TIG_##id##_CMD, TIG_##id##_CMD, ref, ops, KEYMAP_##id) |
1ba2ae4b | 1437 | |
c2124ccd | 1438 | |
b801d8b2 | 1439 | static struct view views[] = { |
173d76ea JF |
1440 | VIEW_(MAIN, "main", &main_ops, ref_head), |
1441 | VIEW_(DIFF, "diff", &pager_ops, ref_commit), | |
1442 | VIEW_(LOG, "log", &pager_ops, ref_head), | |
1443 | VIEW_(TREE, "tree", &tree_ops, ref_commit), | |
1444 | VIEW_(BLOB, "blob", &blob_ops, ref_blob), | |
b64c5b75 JF |
1445 | VIEW_(HELP, "help", &help_ops, ""), |
1446 | VIEW_(PAGER, "pager", &pager_ops, "stdin"), | |
173d76ea | 1447 | VIEW_(STATUS, "status", &status_ops, ""), |
3e634113 | 1448 | VIEW_(STAGE, "stage", &stage_ops, ""), |
b801d8b2 JF |
1449 | }; |
1450 | ||
a28bcc22 JF |
1451 | #define VIEW(req) (&views[(req) - REQ_OFFSET - 1]) |
1452 | ||
699ae55b JF |
1453 | #define foreach_view(view, i) \ |
1454 | for (i = 0; i < ARRAY_SIZE(views) && (view = &views[i]); i++) | |
1455 | ||
1456 | #define view_is_displayed(view) \ | |
1457 | (view == display[0] || view == display[1]) | |
4c6fabc2 | 1458 | |
1c919d68 DV |
1459 | static int |
1460 | draw_text(struct view *view, const char *string, int max_len, int col, | |
1461 | bool use_tilde, int tilde_attr) | |
1462 | { | |
1463 | int n; | |
1464 | ||
1465 | n = 0; | |
1466 | if (max_len > 0) { | |
1467 | int len; | |
1468 | int trimmed = FALSE; | |
1469 | ||
1470 | if (opt_utf8) { | |
012e76e9 | 1471 | len = utf8_length(string, max_len, &trimmed, use_tilde); |
1c919d68 DV |
1472 | n = len; |
1473 | } else { | |
1474 | len = strlen(string); | |
1475 | if (len > max_len) { | |
1476 | if (use_tilde) { | |
1477 | max_len -= 1; | |
1478 | } | |
1479 | len = max_len; | |
1480 | trimmed = TRUE; | |
1481 | } | |
1482 | n = len; | |
1483 | } | |
1484 | waddnstr(view->win, string, n); | |
1485 | if (trimmed && use_tilde) { | |
1486 | if (tilde_attr != -1) | |
1487 | wattrset(view->win, tilde_attr); | |
1488 | waddch(view->win, '~'); | |
1489 | n++; | |
1490 | } | |
1491 | } | |
1492 | ||
1493 | return n; | |
1494 | } | |
1495 | ||
fe7233c3 JF |
1496 | static bool |
1497 | draw_view_line(struct view *view, unsigned int lineno) | |
1498 | { | |
d720de4b | 1499 | struct line *line; |
5dcf8064 | 1500 | bool selected = (view->offset + lineno == view->lineno); |
4887d44e | 1501 | bool draw_ok; |
d720de4b | 1502 | |
699ae55b JF |
1503 | assert(view_is_displayed(view)); |
1504 | ||
fe7233c3 JF |
1505 | if (view->offset + lineno >= view->lines) |
1506 | return FALSE; | |
1507 | ||
d720de4b JF |
1508 | line = &view->line[view->offset + lineno]; |
1509 | ||
3c571d67 JF |
1510 | if (selected) { |
1511 | line->selected = TRUE; | |
d720de4b | 1512 | view->ops->select(view, line); |
3c571d67 JF |
1513 | } else if (line->selected) { |
1514 | line->selected = FALSE; | |
1515 | wmove(view->win, lineno, 0); | |
1516 | wclrtoeol(view->win); | |
1517 | } | |
d720de4b | 1518 | |
4887d44e JF |
1519 | scrollok(view->win, FALSE); |
1520 | draw_ok = view->ops->draw(view, line, lineno, selected); | |
1521 | scrollok(view->win, TRUE); | |
1522 | ||
1523 | return draw_ok; | |
fe7233c3 JF |
1524 | } |
1525 | ||
b801d8b2 | 1526 | static void |
82e78006 | 1527 | redraw_view_from(struct view *view, int lineno) |
b801d8b2 | 1528 | { |
82e78006 | 1529 | assert(0 <= lineno && lineno < view->height); |
b801d8b2 | 1530 | |
82e78006 | 1531 | for (; lineno < view->height; lineno++) { |
fe7233c3 | 1532 | if (!draw_view_line(view, lineno)) |
fd85fef1 | 1533 | break; |
b801d8b2 JF |
1534 | } |
1535 | ||
1536 | redrawwin(view->win); | |
ab4af23e JF |
1537 | if (input_mode) |
1538 | wnoutrefresh(view->win); | |
1539 | else | |
1540 | wrefresh(view->win); | |
b801d8b2 JF |
1541 | } |
1542 | ||
b76c2afc | 1543 | static void |
82e78006 JF |
1544 | redraw_view(struct view *view) |
1545 | { | |
1546 | wclear(view->win); | |
1547 | redraw_view_from(view, 0); | |
1548 | } | |
1549 | ||
c2124ccd | 1550 | |
6b161b31 | 1551 | static void |
81030ec8 JF |
1552 | update_view_title(struct view *view) |
1553 | { | |
3c112a88 | 1554 | char buf[SIZEOF_STR]; |
71d1c7db JF |
1555 | char state[SIZEOF_STR]; |
1556 | size_t bufpos = 0, statelen = 0; | |
81030ec8 | 1557 | |
3c112a88 | 1558 | assert(view_is_displayed(view)); |
81030ec8 | 1559 | |
249016a6 | 1560 | if (view != VIEW(REQ_VIEW_STATUS) && (view->lines || view->pipe)) { |
6d9c07af | 1561 | unsigned int view_lines = view->offset + view->height; |
c19f8017 | 1562 | unsigned int lines = view->lines |
6d9c07af | 1563 | ? MIN(view_lines, view->lines) * 100 / view->lines |
c19f8017 JF |
1564 | : 0; |
1565 | ||
71d1c7db | 1566 | string_format_from(state, &statelen, "- %s %d of %d (%d%%)", |
3c112a88 JF |
1567 | view->ops->type, |
1568 | view->lineno + 1, | |
1569 | view->lines, | |
1570 | lines); | |
81030ec8 | 1571 | |
5becf244 JF |
1572 | if (view->pipe) { |
1573 | time_t secs = time(NULL) - view->start_time; | |
f97f4012 | 1574 | |
5becf244 JF |
1575 | /* Three git seconds are a long time ... */ |
1576 | if (secs > 2) | |
71d1c7db | 1577 | string_format_from(state, &statelen, " %lds", secs); |
5becf244 | 1578 | } |
81030ec8 JF |
1579 | } |
1580 | ||
71d1c7db JF |
1581 | string_format_from(buf, &bufpos, "[%s]", view->name); |
1582 | if (*view->ref && bufpos < view->width) { | |
1583 | size_t refsize = strlen(view->ref); | |
1584 | size_t minsize = bufpos + 1 + /* abbrev= */ 7 + 1 + statelen; | |
1585 | ||
1586 | if (minsize < view->width) | |
1587 | refsize = view->width - minsize + 7; | |
d1858deb | 1588 | string_format_from(buf, &bufpos, " %.*s", (int) refsize, view->ref); |
71d1c7db | 1589 | } |
f97f4012 | 1590 | |
71d1c7db JF |
1591 | if (statelen && bufpos < view->width) { |
1592 | string_format_from(buf, &bufpos, " %s", state); | |
f97f4012 JF |
1593 | } |
1594 | ||
3c112a88 JF |
1595 | if (view == display[current_view]) |
1596 | wbkgdset(view->title, get_line_attr(LINE_TITLE_FOCUS)); | |
1597 | else | |
1598 | wbkgdset(view->title, get_line_attr(LINE_TITLE_BLUR)); | |
1599 | ||
3c112a88 | 1600 | mvwaddnstr(view->title, 0, 0, buf, bufpos); |
390a8262 | 1601 | wclrtoeol(view->title); |
976447f8 | 1602 | wmove(view->title, 0, view->width - 1); |
ab4af23e JF |
1603 | |
1604 | if (input_mode) | |
1605 | wnoutrefresh(view->title); | |
1606 | else | |
1607 | wrefresh(view->title); | |
81030ec8 JF |
1608 | } |
1609 | ||
1610 | static void | |
6b161b31 | 1611 | resize_display(void) |
b76c2afc | 1612 | { |
03a93dbb | 1613 | int offset, i; |
6b161b31 JF |
1614 | struct view *base = display[0]; |
1615 | struct view *view = display[1] ? display[1] : display[0]; | |
b76c2afc | 1616 | |
6b161b31 | 1617 | /* Setup window dimensions */ |
b76c2afc | 1618 | |
03a93dbb | 1619 | getmaxyx(stdscr, base->height, base->width); |
b76c2afc | 1620 | |
6b161b31 | 1621 | /* Make room for the status window. */ |
03a93dbb | 1622 | base->height -= 1; |
6b161b31 JF |
1623 | |
1624 | if (view != base) { | |
03a93dbb JF |
1625 | /* Horizontal split. */ |
1626 | view->width = base->width; | |
6b161b31 JF |
1627 | view->height = SCALE_SPLIT_VIEW(base->height); |
1628 | base->height -= view->height; | |
1629 | ||
1630 | /* Make room for the title bar. */ | |
1631 | view->height -= 1; | |
1632 | } | |
1633 | ||
1634 | /* Make room for the title bar. */ | |
1635 | base->height -= 1; | |
1636 | ||
1637 | offset = 0; | |
1638 | ||
33c4f9ea | 1639 | foreach_displayed_view (view, i) { |
b76c2afc | 1640 | if (!view->win) { |
c19f8017 | 1641 | view->win = newwin(view->height, 0, offset, 0); |
6b161b31 JF |
1642 | if (!view->win) |
1643 | die("Failed to create %s view", view->name); | |
1644 | ||
1645 | scrollok(view->win, TRUE); | |
1646 | ||
1647 | view->title = newwin(1, 0, offset + view->height, 0); | |
1648 | if (!view->title) | |
1649 | die("Failed to create title window"); | |
1650 | ||
1651 | } else { | |
c19f8017 | 1652 | wresize(view->win, view->height, view->width); |
6b161b31 JF |
1653 | mvwin(view->win, offset, 0); |
1654 | mvwin(view->title, offset + view->height, 0); | |
a28bcc22 | 1655 | } |
a28bcc22 | 1656 | |
6b161b31 | 1657 | offset += view->height + 1; |
b76c2afc | 1658 | } |
6b161b31 | 1659 | } |
b76c2afc | 1660 | |
6b161b31 | 1661 | static void |
20bb5e18 JF |
1662 | redraw_display(void) |
1663 | { | |
1664 | struct view *view; | |
1665 | int i; | |
1666 | ||
33c4f9ea | 1667 | foreach_displayed_view (view, i) { |
20bb5e18 JF |
1668 | redraw_view(view); |
1669 | update_view_title(view); | |
1670 | } | |
1671 | } | |
1672 | ||
85af6284 | 1673 | static void |
2bee3bde | 1674 | update_display_cursor(struct view *view) |
85af6284 | 1675 | { |
85af6284 JF |
1676 | /* Move the cursor to the right-most column of the cursor line. |
1677 | * | |
1678 | * XXX: This could turn out to be a bit expensive, but it ensures that | |
1679 | * the cursor does not jump around. */ | |
1680 | if (view->lines) { | |
1681 | wmove(view->win, view->lineno - view->offset, view->width - 1); | |
1682 | wrefresh(view->win); | |
1683 | } | |
1684 | } | |
20bb5e18 | 1685 | |
2e8488b4 JF |
1686 | /* |
1687 | * Navigation | |
1688 | */ | |
1689 | ||
4a2909a7 | 1690 | /* Scrolling backend */ |
b801d8b2 | 1691 | static void |
8c317212 | 1692 | do_scroll_view(struct view *view, int lines) |
b801d8b2 | 1693 | { |
a0087dd5 JF |
1694 | bool redraw_current_line = FALSE; |
1695 | ||
fd85fef1 JF |
1696 | /* The rendering expects the new offset. */ |
1697 | view->offset += lines; | |
1698 | ||
1699 | assert(0 <= view->offset && view->offset < view->lines); | |
1700 | assert(lines); | |
b801d8b2 | 1701 | |
a0087dd5 JF |
1702 | /* Move current line into the view. */ |
1703 | if (view->lineno < view->offset) { | |
1704 | view->lineno = view->offset; | |
1705 | redraw_current_line = TRUE; | |
1706 | } else if (view->lineno >= view->offset + view->height) { | |
1707 | view->lineno = view->offset + view->height - 1; | |
1708 | redraw_current_line = TRUE; | |
1709 | } | |
1710 | ||
1711 | assert(view->offset <= view->lineno && view->lineno < view->lines); | |
1712 | ||
82e78006 | 1713 | /* Redraw the whole screen if scrolling is pointless. */ |
4c6fabc2 | 1714 | if (view->height < ABS(lines)) { |
b76c2afc JF |
1715 | redraw_view(view); |
1716 | ||
1717 | } else { | |
22f66b0a | 1718 | int line = lines > 0 ? view->height - lines : 0; |
82e78006 | 1719 | int end = line + ABS(lines); |
fd85fef1 JF |
1720 | |
1721 | wscrl(view->win, lines); | |
1722 | ||
22f66b0a | 1723 | for (; line < end; line++) { |
fe7233c3 | 1724 | if (!draw_view_line(view, line)) |
fd85fef1 JF |
1725 | break; |
1726 | } | |
fd85fef1 | 1727 | |
a0087dd5 JF |
1728 | if (redraw_current_line) |
1729 | draw_view_line(view, view->lineno - view->offset); | |
fd85fef1 JF |
1730 | } |
1731 | ||
fd85fef1 JF |
1732 | redrawwin(view->win); |
1733 | wrefresh(view->win); | |
9d3f5834 | 1734 | report(""); |
fd85fef1 | 1735 | } |
78c70acd | 1736 | |
4a2909a7 | 1737 | /* Scroll frontend */ |
fd85fef1 | 1738 | static void |
6b161b31 | 1739 | scroll_view(struct view *view, enum request request) |
fd85fef1 JF |
1740 | { |
1741 | int lines = 1; | |
b801d8b2 | 1742 | |
8c317212 JF |
1743 | assert(view_is_displayed(view)); |
1744 | ||
b801d8b2 | 1745 | switch (request) { |
4a2909a7 | 1746 | case REQ_SCROLL_PAGE_DOWN: |
fd85fef1 | 1747 | lines = view->height; |
4a2909a7 | 1748 | case REQ_SCROLL_LINE_DOWN: |
b801d8b2 | 1749 | if (view->offset + lines > view->lines) |
bde3653a | 1750 | lines = view->lines - view->offset; |
b801d8b2 | 1751 | |
fd85fef1 | 1752 | if (lines == 0 || view->offset + view->height >= view->lines) { |
eb98559e | 1753 | report("Cannot scroll beyond the last line"); |
b801d8b2 JF |
1754 | return; |
1755 | } | |
1756 | break; | |
1757 | ||
4a2909a7 | 1758 | case REQ_SCROLL_PAGE_UP: |
fd85fef1 | 1759 | lines = view->height; |
4a2909a7 | 1760 | case REQ_SCROLL_LINE_UP: |
b801d8b2 JF |
1761 | if (lines > view->offset) |
1762 | lines = view->offset; | |
1763 | ||
1764 | if (lines == 0) { | |
eb98559e | 1765 | report("Cannot scroll beyond the first line"); |
b801d8b2 JF |
1766 | return; |
1767 | } | |
1768 | ||
fd85fef1 | 1769 | lines = -lines; |
b801d8b2 | 1770 | break; |
03a93dbb | 1771 | |
6b161b31 JF |
1772 | default: |
1773 | die("request %d not handled in switch", request); | |
b801d8b2 JF |
1774 | } |
1775 | ||
8c317212 | 1776 | do_scroll_view(view, lines); |
fd85fef1 | 1777 | } |
b801d8b2 | 1778 | |
4a2909a7 | 1779 | /* Cursor moving */ |
fd85fef1 | 1780 | static void |
8522ecc7 | 1781 | move_view(struct view *view, enum request request) |
fd85fef1 | 1782 | { |
dfaa6c81 | 1783 | int scroll_steps = 0; |
fd85fef1 | 1784 | int steps; |
b801d8b2 | 1785 | |
fd85fef1 | 1786 | switch (request) { |
4a2909a7 | 1787 | case REQ_MOVE_FIRST_LINE: |
78c70acd JF |
1788 | steps = -view->lineno; |
1789 | break; | |
1790 | ||
4a2909a7 | 1791 | case REQ_MOVE_LAST_LINE: |
78c70acd JF |
1792 | steps = view->lines - view->lineno - 1; |
1793 | break; | |
1794 | ||
4a2909a7 | 1795 | case REQ_MOVE_PAGE_UP: |
78c70acd JF |
1796 | steps = view->height > view->lineno |
1797 | ? -view->lineno : -view->height; | |
1798 | break; | |
1799 | ||
4a2909a7 | 1800 | case REQ_MOVE_PAGE_DOWN: |
78c70acd JF |
1801 | steps = view->lineno + view->height >= view->lines |
1802 | ? view->lines - view->lineno - 1 : view->height; | |
1803 | break; | |
1804 | ||
4a2909a7 | 1805 | case REQ_MOVE_UP: |
fd85fef1 JF |
1806 | steps = -1; |
1807 | break; | |
b801d8b2 | 1808 | |
4a2909a7 | 1809 | case REQ_MOVE_DOWN: |
fd85fef1 JF |
1810 | steps = 1; |
1811 | break; | |
6b161b31 JF |
1812 | |
1813 | default: | |
1814 | die("request %d not handled in switch", request); | |
78c70acd | 1815 | } |
b801d8b2 | 1816 | |
4c6fabc2 | 1817 | if (steps <= 0 && view->lineno == 0) { |
eb98559e | 1818 | report("Cannot move beyond the first line"); |
78c70acd | 1819 | return; |
b801d8b2 | 1820 | |
6908bdbd | 1821 | } else if (steps >= 0 && view->lineno + 1 >= view->lines) { |
eb98559e | 1822 | report("Cannot move beyond the last line"); |
78c70acd | 1823 | return; |
fd85fef1 JF |
1824 | } |
1825 | ||
4c6fabc2 | 1826 | /* Move the current line */ |
fd85fef1 | 1827 | view->lineno += steps; |
4c6fabc2 JF |
1828 | assert(0 <= view->lineno && view->lineno < view->lines); |
1829 | ||
4c6fabc2 | 1830 | /* Check whether the view needs to be scrolled */ |
fd85fef1 JF |
1831 | if (view->lineno < view->offset || |
1832 | view->lineno >= view->offset + view->height) { | |
dfaa6c81 | 1833 | scroll_steps = steps; |
fd85fef1 | 1834 | if (steps < 0 && -steps > view->offset) { |
dfaa6c81 | 1835 | scroll_steps = -view->offset; |
b76c2afc JF |
1836 | |
1837 | } else if (steps > 0) { | |
1838 | if (view->lineno == view->lines - 1 && | |
1839 | view->lines > view->height) { | |
dfaa6c81 JF |
1840 | scroll_steps = view->lines - view->offset - 1; |
1841 | if (scroll_steps >= view->height) | |
1842 | scroll_steps -= view->height - 1; | |
b76c2afc | 1843 | } |
b801d8b2 | 1844 | } |
8522ecc7 JF |
1845 | } |
1846 | ||
1847 | if (!view_is_displayed(view)) { | |
a3965365 JF |
1848 | view->offset += scroll_steps; |
1849 | assert(0 <= view->offset && view->offset < view->lines); | |
8522ecc7 JF |
1850 | view->ops->select(view, &view->line[view->lineno]); |
1851 | return; | |
1852 | } | |
1853 | ||
1854 | /* Repaint the old "current" line if we be scrolling */ | |
1855 | if (ABS(steps) < view->height) | |
1856 | draw_view_line(view, view->lineno - steps - view->offset); | |
1857 | ||
dfaa6c81 JF |
1858 | if (scroll_steps) { |
1859 | do_scroll_view(view, scroll_steps); | |
fd85fef1 | 1860 | return; |
b801d8b2 JF |
1861 | } |
1862 | ||
4c6fabc2 | 1863 | /* Draw the current line */ |
fe7233c3 | 1864 | draw_view_line(view, view->lineno - view->offset); |
fd85fef1 | 1865 | |
b801d8b2 JF |
1866 | redrawwin(view->win); |
1867 | wrefresh(view->win); | |
9d3f5834 | 1868 | report(""); |
b801d8b2 JF |
1869 | } |
1870 | ||
b801d8b2 | 1871 | |
2e8488b4 | 1872 | /* |
4af34daa JF |
1873 | * Searching |
1874 | */ | |
1875 | ||
c02d8fce | 1876 | static void search_view(struct view *view, enum request request); |
4af34daa JF |
1877 | |
1878 | static bool | |
1879 | find_next_line(struct view *view, unsigned long lineno, struct line *line) | |
1880 | { | |
699ae55b JF |
1881 | assert(view_is_displayed(view)); |
1882 | ||
4af34daa JF |
1883 | if (!view->ops->grep(view, line)) |
1884 | return FALSE; | |
1885 | ||
1886 | if (lineno - view->offset >= view->height) { | |
1887 | view->offset = lineno; | |
1888 | view->lineno = lineno; | |
1889 | redraw_view(view); | |
1890 | ||
1891 | } else { | |
1892 | unsigned long old_lineno = view->lineno - view->offset; | |
1893 | ||
1894 | view->lineno = lineno; | |
4af34daa JF |
1895 | draw_view_line(view, old_lineno); |
1896 | ||
1897 | draw_view_line(view, view->lineno - view->offset); | |
1898 | redrawwin(view->win); | |
1899 | wrefresh(view->win); | |
1900 | } | |
1901 | ||
1902 | report("Line %ld matches '%s'", lineno + 1, view->grep); | |
1903 | return TRUE; | |
1904 | } | |
1905 | ||
1906 | static void | |
1907 | find_next(struct view *view, enum request request) | |
1908 | { | |
1909 | unsigned long lineno = view->lineno; | |
1910 | int direction; | |
1911 | ||
1912 | if (!*view->grep) { | |
1913 | if (!*opt_search) | |
1914 | report("No previous search"); | |
1915 | else | |
c02d8fce | 1916 | search_view(view, request); |
4af34daa JF |
1917 | return; |
1918 | } | |
1919 | ||
1920 | switch (request) { | |
1921 | case REQ_SEARCH: | |
1922 | case REQ_FIND_NEXT: | |
1923 | direction = 1; | |
1924 | break; | |
1925 | ||
1926 | case REQ_SEARCH_BACK: | |
1927 | case REQ_FIND_PREV: | |
1928 | direction = -1; | |
1929 | break; | |
1930 | ||
1931 | default: | |
1932 | return; | |
1933 | } | |
1934 | ||
1935 | if (request == REQ_FIND_NEXT || request == REQ_FIND_PREV) | |
1936 | lineno += direction; | |
1937 | ||
1938 | /* Note, lineno is unsigned long so will wrap around in which case it | |
1939 | * will become bigger than view->lines. */ | |
1940 | for (; lineno < view->lines; lineno += direction) { | |
1941 | struct line *line = &view->line[lineno]; | |
1942 | ||
1943 | if (find_next_line(view, lineno, line)) | |
1944 | return; | |
1945 | } | |
1946 | ||
1947 | report("No match found for '%s'", view->grep); | |
1948 | } | |
1949 | ||
1950 | static void | |
c02d8fce | 1951 | search_view(struct view *view, enum request request) |
4af34daa JF |
1952 | { |
1953 | int regex_err; | |
1954 | ||
b77b2cb8 JF |
1955 | if (view->regex) { |
1956 | regfree(view->regex); | |
4af34daa | 1957 | *view->grep = 0; |
b77b2cb8 JF |
1958 | } else { |
1959 | view->regex = calloc(1, sizeof(*view->regex)); | |
1960 | if (!view->regex) | |
1961 | return; | |
4af34daa JF |
1962 | } |
1963 | ||
c02d8fce | 1964 | regex_err = regcomp(view->regex, opt_search, REG_EXTENDED); |
4af34daa JF |
1965 | if (regex_err != 0) { |
1966 | char buf[SIZEOF_STR] = "unknown error"; | |
1967 | ||
b77b2cb8 | 1968 | regerror(regex_err, view->regex, buf, sizeof(buf)); |
e9cacd58 | 1969 | report("Search failed: %s", buf); |
4af34daa JF |
1970 | return; |
1971 | } | |
1972 | ||
c02d8fce | 1973 | string_copy(view->grep, opt_search); |
4af34daa JF |
1974 | |
1975 | find_next(view, request); | |
1976 | } | |
1977 | ||
1978 | /* | |
2e8488b4 JF |
1979 | * Incremental updating |
1980 | */ | |
b801d8b2 | 1981 | |
199d1288 JF |
1982 | static void |
1983 | end_update(struct view *view) | |
1984 | { | |
1985 | if (!view->pipe) | |
1986 | return; | |
1987 | set_nonblocking_input(FALSE); | |
1988 | if (view->pipe == stdin) | |
1989 | fclose(view->pipe); | |
1990 | else | |
1991 | pclose(view->pipe); | |
1992 | view->pipe = NULL; | |
1993 | } | |
1994 | ||
03a93dbb | 1995 | static bool |
b801d8b2 JF |
1996 | begin_update(struct view *view) |
1997 | { | |
199d1288 JF |
1998 | if (view->pipe) |
1999 | end_update(view); | |
2000 | ||
03a93dbb JF |
2001 | if (opt_cmd[0]) { |
2002 | string_copy(view->cmd, opt_cmd); | |
2003 | opt_cmd[0] = 0; | |
035ba11f JF |
2004 | /* When running random commands, initially show the |
2005 | * command in the title. However, it maybe later be | |
2006 | * overwritten if a commit line is selected. */ | |
809a9f48 JF |
2007 | if (view == VIEW(REQ_VIEW_PAGER)) |
2008 | string_copy(view->ref, view->cmd); | |
2009 | else | |
2010 | view->ref[0] = 0; | |
e733ee54 JF |
2011 | |
2012 | } else if (view == VIEW(REQ_VIEW_TREE)) { | |
2013 | const char *format = view->cmd_env ? view->cmd_env : view->cmd_fmt; | |
f0f114ac | 2014 | char path[SIZEOF_STR]; |
e733ee54 JF |
2015 | |
2016 | if (strcmp(view->vid, view->id)) | |
f0f114ac JF |
2017 | opt_path[0] = path[0] = 0; |
2018 | else if (sq_quote(path, 0, opt_path) >= sizeof(path)) | |
2019 | return FALSE; | |
e733ee54 | 2020 | |
739e81de | 2021 | if (!string_format(view->cmd, format, view->id, path)) |
e733ee54 JF |
2022 | return FALSE; |
2023 | ||
03a93dbb | 2024 | } else { |
4685845e | 2025 | const char *format = view->cmd_env ? view->cmd_env : view->cmd_fmt; |
739e81de | 2026 | const char *id = view->id; |
1ba2ae4b | 2027 | |
cc2d1364 | 2028 | if (!string_format(view->cmd, format, id, id, id, id, id)) |
03a93dbb | 2029 | return FALSE; |
035ba11f JF |
2030 | |
2031 | /* Put the current ref_* value to the view title ref | |
2032 | * member. This is needed by the blob view. Most other | |
2033 | * views sets it automatically after loading because the | |
2034 | * first line is a commit line. */ | |
739e81de | 2035 | string_copy_rev(view->ref, view->id); |
03a93dbb | 2036 | } |
b801d8b2 | 2037 | |
6908bdbd JF |
2038 | /* Special case for the pager view. */ |
2039 | if (opt_pipe) { | |
2040 | view->pipe = opt_pipe; | |
2041 | opt_pipe = NULL; | |
2042 | } else { | |
2043 | view->pipe = popen(view->cmd, "r"); | |
2044 | } | |
2045 | ||
2e8488b4 JF |
2046 | if (!view->pipe) |
2047 | return FALSE; | |
b801d8b2 | 2048 | |
6b161b31 | 2049 | set_nonblocking_input(TRUE); |
b801d8b2 JF |
2050 | |
2051 | view->offset = 0; | |
2052 | view->lines = 0; | |
2053 | view->lineno = 0; | |
739e81de | 2054 | string_copy_rev(view->vid, view->id); |
b801d8b2 | 2055 | |
2e8488b4 JF |
2056 | if (view->line) { |
2057 | int i; | |
2058 | ||
2059 | for (i = 0; i < view->lines; i++) | |
fe7233c3 JF |
2060 | if (view->line[i].data) |
2061 | free(view->line[i].data); | |
2e8488b4 JF |
2062 | |
2063 | free(view->line); | |
2064 | view->line = NULL; | |
2065 | } | |
2066 | ||
2067 | view->start_time = time(NULL); | |
2068 | ||
b801d8b2 JF |
2069 | return TRUE; |
2070 | } | |
2071 | ||
e2c01617 JF |
2072 | static struct line * |
2073 | realloc_lines(struct view *view, size_t line_size) | |
2074 | { | |
2075 | struct line *tmp = realloc(view->line, sizeof(*view->line) * line_size); | |
2076 | ||
2077 | if (!tmp) | |
2078 | return NULL; | |
2079 | ||
2080 | view->line = tmp; | |
2081 | view->line_size = line_size; | |
2082 | return view->line; | |
2083 | } | |
2084 | ||
03a93dbb | 2085 | static bool |
b801d8b2 JF |
2086 | update_view(struct view *view) |
2087 | { | |
6b68fd24 JF |
2088 | char in_buffer[BUFSIZ]; |
2089 | char out_buffer[BUFSIZ * 2]; | |
b801d8b2 | 2090 | char *line; |
82e78006 JF |
2091 | /* The number of lines to read. If too low it will cause too much |
2092 | * redrawing (and possible flickering), if too high responsiveness | |
2093 | * will suffer. */ | |
8855ada4 | 2094 | unsigned long lines = view->height; |
82e78006 | 2095 | int redraw_from = -1; |
b801d8b2 JF |
2096 | |
2097 | if (!view->pipe) | |
2098 | return TRUE; | |
2099 | ||
82e78006 JF |
2100 | /* Only redraw if lines are visible. */ |
2101 | if (view->offset + view->height >= view->lines) | |
2102 | redraw_from = view->lines - view->offset; | |
b801d8b2 | 2103 | |
699ae55b | 2104 | /* FIXME: This is probably not perfect for backgrounded views. */ |
e2c01617 | 2105 | if (!realloc_lines(view, view->lines + lines)) |
b801d8b2 JF |
2106 | goto alloc_error; |
2107 | ||
6b68fd24 JF |
2108 | while ((line = fgets(in_buffer, sizeof(in_buffer), view->pipe))) { |
2109 | size_t linelen = strlen(line); | |
b801d8b2 | 2110 | |
b801d8b2 JF |
2111 | if (linelen) |
2112 | line[linelen - 1] = 0; | |
2113 | ||
6b68fd24 | 2114 | if (opt_iconv != ICONV_NONE) { |
e47afdf2 | 2115 | ICONV_CONST char *inbuf = line; |
6b68fd24 JF |
2116 | size_t inlen = linelen; |
2117 | ||
2118 | char *outbuf = out_buffer; | |
2119 | size_t outlen = sizeof(out_buffer); | |
2120 | ||
2121 | size_t ret; | |
2122 | ||
7361622d | 2123 | ret = iconv(opt_iconv, &inbuf, &inlen, &outbuf, &outlen); |
6b68fd24 JF |
2124 | if (ret != (size_t) -1) { |
2125 | line = out_buffer; | |
2126 | linelen = strlen(out_buffer); | |
2127 | } | |
2128 | } | |
2129 | ||
701e4f5d | 2130 | if (!view->ops->read(view, line)) |
b801d8b2 | 2131 | goto alloc_error; |
fd85fef1 JF |
2132 | |
2133 | if (lines-- == 1) | |
2134 | break; | |
b801d8b2 JF |
2135 | } |
2136 | ||
8855ada4 JF |
2137 | { |
2138 | int digits; | |
2139 | ||
2140 | lines = view->lines; | |
2141 | for (digits = 0; lines; digits++) | |
2142 | lines /= 10; | |
2143 | ||
2144 | /* Keep the displayed view in sync with line number scaling. */ | |
2145 | if (digits != view->digits) { | |
2146 | view->digits = digits; | |
2147 | redraw_from = 0; | |
2148 | } | |
2149 | } | |
2150 | ||
699ae55b JF |
2151 | if (!view_is_displayed(view)) |
2152 | goto check_pipe; | |
2153 | ||
e733ee54 JF |
2154 | if (view == VIEW(REQ_VIEW_TREE)) { |
2155 | /* Clear the view and redraw everything since the tree sorting | |
2156 | * might have rearranged things. */ | |
2157 | redraw_view(view); | |
2158 | ||
2159 | } else if (redraw_from >= 0) { | |
82e78006 | 2160 | /* If this is an incremental update, redraw the previous line |
a28bcc22 JF |
2161 | * since for commits some members could have changed when |
2162 | * loading the main view. */ | |
82e78006 JF |
2163 | if (redraw_from > 0) |
2164 | redraw_from--; | |
2165 | ||
9eded379 JF |
2166 | /* Since revision graph visualization requires knowledge |
2167 | * about the parent commit, it causes a further one-off | |
2168 | * needed to be redrawn for incremental updates. */ | |
2169 | if (redraw_from > 0 && opt_rev_graph) | |
2170 | redraw_from--; | |
2171 | ||
82e78006 JF |
2172 | /* Incrementally draw avoids flickering. */ |
2173 | redraw_view_from(view, redraw_from); | |
4c6fabc2 | 2174 | } |
b801d8b2 | 2175 | |
eb98559e JF |
2176 | /* Update the title _after_ the redraw so that if the redraw picks up a |
2177 | * commit reference in view->ref it'll be available here. */ | |
2178 | update_view_title(view); | |
2179 | ||
699ae55b | 2180 | check_pipe: |
b801d8b2 | 2181 | if (ferror(view->pipe)) { |
03a93dbb | 2182 | report("Failed to read: %s", strerror(errno)); |
b801d8b2 JF |
2183 | goto end; |
2184 | ||
2185 | } else if (feof(view->pipe)) { | |
f97f4012 | 2186 | report(""); |
b801d8b2 JF |
2187 | goto end; |
2188 | } | |
2189 | ||
2190 | return TRUE; | |
2191 | ||
2192 | alloc_error: | |
2e8488b4 | 2193 | report("Allocation failure"); |
b801d8b2 JF |
2194 | |
2195 | end: | |
be04d936 | 2196 | view->ops->read(view, NULL); |
b801d8b2 JF |
2197 | end_update(view); |
2198 | return FALSE; | |
2199 | } | |
2200 | ||
0a0d8910 | 2201 | static struct line * |
e314c36d | 2202 | add_line_data(struct view *view, void *data, enum line_type type) |
0a0d8910 | 2203 | { |
e314c36d | 2204 | struct line *line = &view->line[view->lines++]; |
0a0d8910 | 2205 | |
e314c36d | 2206 | memset(line, 0, sizeof(*line)); |
0a0d8910 | 2207 | line->type = type; |
e314c36d | 2208 | line->data = data; |
0a0d8910 JF |
2209 | |
2210 | return line; | |
2211 | } | |
2212 | ||
e314c36d JF |
2213 | static struct line * |
2214 | add_line_text(struct view *view, char *data, enum line_type type) | |
2215 | { | |
2216 | if (data) | |
2217 | data = strdup(data); | |
2218 | ||
2219 | return data ? add_line_data(view, data, type) : NULL; | |
2220 | } | |
2221 | ||
79d445ca | 2222 | |
e10154d5 JF |
2223 | /* |
2224 | * View opening | |
2225 | */ | |
2226 | ||
49f2b43f JF |
2227 | enum open_flags { |
2228 | OPEN_DEFAULT = 0, /* Use default view switching. */ | |
2229 | OPEN_SPLIT = 1, /* Split current view. */ | |
2230 | OPEN_BACKGROUNDED = 2, /* Backgrounded. */ | |
2231 | OPEN_RELOAD = 4, /* Reload view even if it is the current. */ | |
2232 | }; | |
2233 | ||
6b161b31 | 2234 | static void |
49f2b43f | 2235 | open_view(struct view *prev, enum request request, enum open_flags flags) |
b801d8b2 | 2236 | { |
49f2b43f JF |
2237 | bool backgrounded = !!(flags & OPEN_BACKGROUNDED); |
2238 | bool split = !!(flags & OPEN_SPLIT); | |
2239 | bool reload = !!(flags & OPEN_RELOAD); | |
a28bcc22 | 2240 | struct view *view = VIEW(request); |
9f41488f | 2241 | int nviews = displayed_views(); |
6e950a52 | 2242 | struct view *base_view = display[0]; |
b801d8b2 | 2243 | |
49f2b43f | 2244 | if (view == prev && nviews == 1 && !reload) { |
6b161b31 JF |
2245 | report("Already in %s view", view->name); |
2246 | return; | |
2247 | } | |
b801d8b2 | 2248 | |
f098944b JF |
2249 | if (view->ops->open) { |
2250 | if (!view->ops->open(view)) { | |
2251 | report("Failed to load %s view", view->name); | |
2252 | return; | |
2253 | } | |
2509b112 JF |
2254 | |
2255 | } else if ((reload || strcmp(view->vid, view->id)) && | |
2256 | !begin_update(view)) { | |
6b161b31 JF |
2257 | report("Failed to load %s view", view->name); |
2258 | return; | |
2259 | } | |
a28bcc22 | 2260 | |
6b161b31 | 2261 | if (split) { |
8d741c06 | 2262 | display[1] = view; |
6b161b31 | 2263 | if (!backgrounded) |
8d741c06 | 2264 | current_view = 1; |
6b161b31 JF |
2265 | } else { |
2266 | /* Maximize the current view. */ | |
2267 | memset(display, 0, sizeof(display)); | |
2268 | current_view = 0; | |
2269 | display[current_view] = view; | |
a28bcc22 | 2270 | } |
b801d8b2 | 2271 | |
6e950a52 JF |
2272 | /* Resize the view when switching between split- and full-screen, |
2273 | * or when switching between two different full-screen views. */ | |
2274 | if (nviews != displayed_views() || | |
2275 | (nviews == 1 && base_view != display[0])) | |
a006db63 | 2276 | resize_display(); |
b801d8b2 | 2277 | |
a8891802 | 2278 | if (split && prev->lineno - prev->offset >= prev->height) { |
03a93dbb | 2279 | /* Take the title line into account. */ |
eb98559e | 2280 | int lines = prev->lineno - prev->offset - prev->height + 1; |
03a93dbb JF |
2281 | |
2282 | /* Scroll the view that was split if the current line is | |
2283 | * outside the new limited view. */ | |
8c317212 | 2284 | do_scroll_view(prev, lines); |
03a93dbb JF |
2285 | } |
2286 | ||
6b161b31 | 2287 | if (prev && view != prev) { |
9b995f0c | 2288 | if (split && !backgrounded) { |
f0b3ab80 JF |
2289 | /* "Blur" the previous view. */ |
2290 | update_view_title(prev); | |
9f396969 | 2291 | } |
f0b3ab80 | 2292 | |
f6da0b66 | 2293 | view->parent = prev; |
b801d8b2 JF |
2294 | } |
2295 | ||
9f396969 | 2296 | if (view->pipe && view->lines == 0) { |
03a93dbb JF |
2297 | /* Clear the old view and let the incremental updating refill |
2298 | * the screen. */ | |
2299 | wclear(view->win); | |
f97f4012 | 2300 | report(""); |
03a93dbb JF |
2301 | } else { |
2302 | redraw_view(view); | |
24b5b3e0 | 2303 | report(""); |
03a93dbb | 2304 | } |
6706b2ba JF |
2305 | |
2306 | /* If the view is backgrounded the above calls to report() | |
2307 | * won't redraw the view title. */ | |
2308 | if (backgrounded) | |
2309 | update_view_title(view); | |
b801d8b2 JF |
2310 | } |
2311 | ||
0cea0d43 | 2312 | static void |
d24ef76c JF |
2313 | open_external_viewer(const char *cmd) |
2314 | { | |
2315 | def_prog_mode(); /* save current tty modes */ | |
2316 | endwin(); /* restore original tty modes */ | |
2317 | system(cmd); | |
2318 | fprintf(stderr, "Press Enter to continue"); | |
2319 | getc(stdin); | |
2320 | reset_prog_mode(); | |
2321 | redraw_display(); | |
2322 | } | |
2323 | ||
2324 | static void | |
b5c18d9d JF |
2325 | open_mergetool(const char *file) |
2326 | { | |
2327 | char cmd[SIZEOF_STR]; | |
2328 | char file_sq[SIZEOF_STR]; | |
2329 | ||
2330 | if (sq_quote(file_sq, 0, file) < sizeof(file_sq) && | |
2331 | string_format(cmd, "git mergetool %s", file_sq)) { | |
2332 | open_external_viewer(cmd); | |
2333 | } | |
2334 | } | |
2335 | ||
2336 | static void | |
d24ef76c | 2337 | open_editor(bool from_root, const char *file) |
0cea0d43 JF |
2338 | { |
2339 | char cmd[SIZEOF_STR]; | |
2340 | char file_sq[SIZEOF_STR]; | |
2341 | char *editor; | |
7d31b059 | 2342 | char *prefix = from_root ? opt_cdup : ""; |
0cea0d43 JF |
2343 | |
2344 | editor = getenv("GIT_EDITOR"); | |
2345 | if (!editor && *opt_editor) | |
2346 | editor = opt_editor; | |
2347 | if (!editor) | |
2348 | editor = getenv("VISUAL"); | |
2349 | if (!editor) | |
2350 | editor = getenv("EDITOR"); | |
2351 | if (!editor) | |
2352 | editor = "vi"; | |
2353 | ||
2354 | if (sq_quote(file_sq, 0, file) < sizeof(file_sq) && | |
7d31b059 | 2355 | string_format(cmd, "%s %s%s", editor, prefix, file_sq)) { |
d24ef76c | 2356 | open_external_viewer(cmd); |
0cea0d43 JF |
2357 | } |
2358 | } | |
b801d8b2 | 2359 | |
9eb14b72 JF |
2360 | static void |
2361 | open_run_request(enum request request) | |
2362 | { | |
2363 | struct run_request *req = get_run_request(request); | |
2364 | char buf[SIZEOF_STR * 2]; | |
2365 | size_t bufpos; | |
2366 | char *cmd; | |
2367 | ||
2368 | if (!req) { | |
2369 | report("Unknown run request"); | |
2370 | return; | |
2371 | } | |
2372 | ||
2373 | bufpos = 0; | |
2374 | cmd = req->cmd; | |
2375 | ||
2376 | while (cmd) { | |
2377 | char *next = strstr(cmd, "%("); | |
2378 | int len = next - cmd; | |
2379 | char *value; | |
2380 | ||
2381 | if (!next) { | |
2382 | len = strlen(cmd); | |
2383 | value = ""; | |
2384 | ||
2385 | } else if (!strncmp(next, "%(head)", 7)) { | |
2386 | value = ref_head; | |
2387 | ||
2388 | } else if (!strncmp(next, "%(commit)", 9)) { | |
2389 | value = ref_commit; | |
2390 | ||
2391 | } else if (!strncmp(next, "%(blob)", 7)) { | |
2392 | value = ref_blob; | |
2393 | ||
2394 | } else { | |
2395 | report("Unknown replacement in run request: `%s`", req->cmd); | |
2396 | return; | |
2397 | } | |
2398 | ||
2399 | if (!string_format_from(buf, &bufpos, "%.*s%s", len, cmd, value)) | |
2400 | return; | |
2401 | ||
2402 | if (next) | |
2403 | next = strchr(next, ')') + 1; | |
2404 | cmd = next; | |
2405 | } | |
2406 | ||
2407 | open_external_viewer(buf); | |
2408 | } | |
2409 | ||
6b161b31 JF |
2410 | /* |
2411 | * User request switch noodle | |
2412 | */ | |
2413 | ||
b801d8b2 | 2414 | static int |
6b161b31 | 2415 | view_driver(struct view *view, enum request request) |
b801d8b2 | 2416 | { |
b801d8b2 JF |
2417 | int i; |
2418 | ||
1bace428 JF |
2419 | if (request == REQ_NONE) { |
2420 | doupdate(); | |
2421 | return TRUE; | |
2422 | } | |
2423 | ||
9eb14b72 JF |
2424 | if (request > REQ_NONE) { |
2425 | open_run_request(request); | |
2426 | return TRUE; | |
2427 | } | |
2428 | ||
586c423d JF |
2429 | if (view && view->lines) { |
2430 | request = view->ops->request(view, request, &view->line[view->lineno]); | |
2431 | if (request == REQ_NONE) | |
2432 | return TRUE; | |
2433 | } | |
2434 | ||
b801d8b2 | 2435 | switch (request) { |
4a2909a7 JF |
2436 | case REQ_MOVE_UP: |
2437 | case REQ_MOVE_DOWN: | |
2438 | case REQ_MOVE_PAGE_UP: | |
2439 | case REQ_MOVE_PAGE_DOWN: | |
2440 | case REQ_MOVE_FIRST_LINE: | |
2441 | case REQ_MOVE_LAST_LINE: | |
8522ecc7 | 2442 | move_view(view, request); |
fd85fef1 JF |
2443 | break; |
2444 | ||
4a2909a7 JF |
2445 | case REQ_SCROLL_LINE_DOWN: |
2446 | case REQ_SCROLL_LINE_UP: | |
2447 | case REQ_SCROLL_PAGE_DOWN: | |
2448 | case REQ_SCROLL_PAGE_UP: | |
a28bcc22 | 2449 | scroll_view(view, request); |
b801d8b2 JF |
2450 | break; |
2451 | ||
e733ee54 JF |
2452 | case REQ_VIEW_BLOB: |
2453 | if (!ref_blob[0]) { | |
550cd4b5 JF |
2454 | report("No file chosen, press %s to open tree view", |
2455 | get_key(REQ_VIEW_TREE)); | |
e733ee54 JF |
2456 | break; |
2457 | } | |
5c4358d1 JF |
2458 | open_view(view, request, OPEN_DEFAULT); |
2459 | break; | |
2460 | ||
2461 | case REQ_VIEW_PAGER: | |
b64c5b75 | 2462 | if (!opt_pipe && !VIEW(REQ_VIEW_PAGER)->lines) { |
5c4358d1 JF |
2463 | report("No pager content, press %s to run command from prompt", |
2464 | get_key(REQ_PROMPT)); | |
2465 | break; | |
2466 | } | |
2467 | open_view(view, request, OPEN_DEFAULT); | |
2468 | break; | |
2469 | ||
3e634113 JF |
2470 | case REQ_VIEW_STAGE: |
2471 | if (!VIEW(REQ_VIEW_STAGE)->lines) { | |
2472 | report("No stage content, press %s to open the status view and choose file", | |
2473 | get_key(REQ_VIEW_STATUS)); | |
2474 | break; | |
2475 | } | |
2476 | open_view(view, request, OPEN_DEFAULT); | |
2477 | break; | |
2478 | ||
c38c64bb JF |
2479 | case REQ_VIEW_STATUS: |
2480 | if (opt_is_inside_work_tree == FALSE) { | |
2481 | report("The status view requires a working tree"); | |
2482 | break; | |
2483 | } | |
2484 | open_view(view, request, OPEN_DEFAULT); | |
2485 | break; | |
2486 | ||
4a2909a7 | 2487 | case REQ_VIEW_MAIN: |
4a2909a7 | 2488 | case REQ_VIEW_DIFF: |
2e8488b4 | 2489 | case REQ_VIEW_LOG: |
e733ee54 | 2490 | case REQ_VIEW_TREE: |
2e8488b4 | 2491 | case REQ_VIEW_HELP: |
49f2b43f | 2492 | open_view(view, request, OPEN_DEFAULT); |
b801d8b2 JF |
2493 | break; |
2494 | ||
b3a54cba JF |
2495 | case REQ_NEXT: |
2496 | case REQ_PREVIOUS: | |
2497 | request = request == REQ_NEXT ? REQ_MOVE_DOWN : REQ_MOVE_UP; | |
2498 | ||
e733ee54 JF |
2499 | if ((view == VIEW(REQ_VIEW_DIFF) && |
2500 | view->parent == VIEW(REQ_VIEW_MAIN)) || | |
3e634113 | 2501 | (view == VIEW(REQ_VIEW_STAGE) && |
b9b5b4cd | 2502 | view->parent == VIEW(REQ_VIEW_STATUS)) || |
e733ee54 JF |
2503 | (view == VIEW(REQ_VIEW_BLOB) && |
2504 | view->parent == VIEW(REQ_VIEW_TREE))) { | |
03400136 WF |
2505 | int line; |
2506 | ||
b3a54cba | 2507 | view = view->parent; |
03400136 | 2508 | line = view->lineno; |
8522ecc7 JF |
2509 | move_view(view, request); |
2510 | if (view_is_displayed(view)) | |
f0b3ab80 | 2511 | update_view_title(view); |
328d27f7 JF |
2512 | if (line != view->lineno) |
2513 | view->ops->request(view, REQ_ENTER, | |
2514 | &view->line[view->lineno]); | |
2515 | ||
b3a54cba | 2516 | } else { |
8522ecc7 | 2517 | move_view(view, request); |
b3a54cba | 2518 | } |
328d27f7 | 2519 | break; |
6b161b31 | 2520 | |
03a93dbb JF |
2521 | case REQ_VIEW_NEXT: |
2522 | { | |
9f41488f | 2523 | int nviews = displayed_views(); |
03a93dbb JF |
2524 | int next_view = (current_view + 1) % nviews; |
2525 | ||
2526 | if (next_view == current_view) { | |
2527 | report("Only one view is displayed"); | |
2528 | break; | |
2529 | } | |
2530 | ||
2531 | current_view = next_view; | |
2532 | /* Blur out the title of the previous view. */ | |
2533 | update_view_title(view); | |
6734f6b9 | 2534 | report(""); |
03a93dbb JF |
2535 | break; |
2536 | } | |
acaef3b3 JF |
2537 | case REQ_REFRESH: |
2538 | report("Refreshing is not yet supported for the %s view", view->name); | |
2539 | break; | |
2540 | ||
24b5b3e0 | 2541 | case REQ_TOGGLE_LINENO: |
b76c2afc | 2542 | opt_line_number = !opt_line_number; |
20bb5e18 | 2543 | redraw_display(); |
b801d8b2 JF |
2544 | break; |
2545 | ||
54efb62b JF |
2546 | case REQ_TOGGLE_REV_GRAPH: |
2547 | opt_rev_graph = !opt_rev_graph; | |
2548 | redraw_display(); | |
2549 | break; | |
2550 | ||
03a93dbb | 2551 | case REQ_PROMPT: |
8855ada4 | 2552 | /* Always reload^Wrerun commands from the prompt. */ |
49f2b43f | 2553 | open_view(view, opt_request, OPEN_RELOAD); |
03a93dbb JF |
2554 | break; |
2555 | ||
4af34daa JF |
2556 | case REQ_SEARCH: |
2557 | case REQ_SEARCH_BACK: | |
c02d8fce | 2558 | search_view(view, request); |
4af34daa JF |
2559 | break; |
2560 | ||
2561 | case REQ_FIND_NEXT: | |
2562 | case REQ_FIND_PREV: | |
2563 | find_next(view, request); | |
2564 | break; | |
2565 | ||
4a2909a7 | 2566 | case REQ_STOP_LOADING: |
59a45d3a JF |
2567 | for (i = 0; i < ARRAY_SIZE(views); i++) { |
2568 | view = &views[i]; | |
2e8488b4 | 2569 | if (view->pipe) |
6a7bb912 | 2570 | report("Stopped loading the %s view", view->name), |
03a93dbb JF |
2571 | end_update(view); |
2572 | } | |
b801d8b2 JF |
2573 | break; |
2574 | ||
4a2909a7 | 2575 | case REQ_SHOW_VERSION: |
ec31d0d0 | 2576 | report("tig-%s (built %s)", TIG_VERSION, __DATE__); |
b801d8b2 JF |
2577 | return TRUE; |
2578 | ||
fac7db6c JF |
2579 | case REQ_SCREEN_RESIZE: |
2580 | resize_display(); | |
2581 | /* Fall-through */ | |
4a2909a7 | 2582 | case REQ_SCREEN_REDRAW: |
20bb5e18 | 2583 | redraw_display(); |
4a2909a7 JF |
2584 | break; |
2585 | ||
0cea0d43 JF |
2586 | case REQ_EDIT: |
2587 | report("Nothing to edit"); | |
531c6c69 JF |
2588 | break; |
2589 | ||
226da94b | 2590 | |
531c6c69 JF |
2591 | case REQ_ENTER: |
2592 | report("Nothing to enter"); | |
2593 | break; | |
ca1d71ea | 2594 | |
b801d8b2 | 2595 | |
4f9b667a | 2596 | case REQ_VIEW_CLOSE: |
2fcf5401 JF |
2597 | /* XXX: Mark closed views by letting view->parent point to the |
2598 | * view itself. Parents to closed view should never be | |
2599 | * followed. */ | |
2600 | if (view->parent && | |
2601 | view->parent->parent != view->parent) { | |
4f9b667a JF |
2602 | memset(display, 0, sizeof(display)); |
2603 | current_view = 0; | |
f6da0b66 | 2604 | display[current_view] = view->parent; |
2fcf5401 | 2605 | view->parent = view; |
4f9b667a JF |
2606 | resize_display(); |
2607 | redraw_display(); | |
2608 | break; | |
2609 | } | |
2610 | /* Fall-through */ | |
b801d8b2 JF |
2611 | case REQ_QUIT: |
2612 | return FALSE; | |
2613 | ||
2614 | default: | |
2e8488b4 | 2615 | /* An unknown key will show most commonly used commands. */ |
468876c9 | 2616 | report("Unknown key, press 'h' for help"); |
b801d8b2 JF |
2617 | return TRUE; |
2618 | } | |
2619 | ||
2620 | return TRUE; | |
2621 | } | |
2622 | ||
2623 | ||
2624 | /* | |
ff26aa29 | 2625 | * Pager backend |
b801d8b2 JF |
2626 | */ |
2627 | ||
6b161b31 | 2628 | static bool |
5dcf8064 | 2629 | pager_draw(struct view *view, struct line *line, unsigned int lineno, bool selected) |
b801d8b2 | 2630 | { |
fe7233c3 JF |
2631 | char *text = line->data; |
2632 | enum line_type type = line->type; | |
78c70acd | 2633 | int attr; |
b801d8b2 | 2634 | |
6706b2ba JF |
2635 | wmove(view->win, lineno, 0); |
2636 | ||
5dcf8064 | 2637 | if (selected) { |
78c70acd | 2638 | type = LINE_CURSOR; |
6706b2ba | 2639 | wchgat(view->win, -1, 0, type, NULL); |
fd85fef1 JF |
2640 | } |
2641 | ||
78c70acd | 2642 | attr = get_line_attr(type); |
b801d8b2 | 2643 | wattrset(view->win, attr); |
b76c2afc | 2644 | |
6706b2ba JF |
2645 | if (opt_line_number || opt_tab_size < TABSIZE) { |
2646 | static char spaces[] = " "; | |
2647 | int col_offset = 0, col = 0; | |
2648 | ||
2649 | if (opt_line_number) { | |
2650 | unsigned long real_lineno = view->offset + lineno + 1; | |
82e78006 | 2651 | |
6706b2ba JF |
2652 | if (real_lineno == 1 || |
2653 | (real_lineno % opt_num_interval) == 0) { | |
2654 | wprintw(view->win, "%.*d", view->digits, real_lineno); | |
8855ada4 | 2655 | |
6706b2ba JF |
2656 | } else { |
2657 | waddnstr(view->win, spaces, | |
2658 | MIN(view->digits, STRING_SIZE(spaces))); | |
2659 | } | |
2660 | waddstr(view->win, ": "); | |
2661 | col_offset = view->digits + 2; | |
2662 | } | |
8855ada4 | 2663 | |
fe7233c3 | 2664 | while (text && col_offset + col < view->width) { |
6706b2ba | 2665 | int cols_max = view->width - col_offset - col; |
fe7233c3 | 2666 | char *pos = text; |
6706b2ba | 2667 | int cols; |
4c6fabc2 | 2668 | |
fe7233c3 JF |
2669 | if (*text == '\t') { |
2670 | text++; | |
6706b2ba | 2671 | assert(sizeof(spaces) > TABSIZE); |
fe7233c3 | 2672 | pos = spaces; |
6706b2ba | 2673 | cols = opt_tab_size - (col % opt_tab_size); |
82e78006 | 2674 | |
b76c2afc | 2675 | } else { |
fe7233c3 JF |
2676 | text = strchr(text, '\t'); |
2677 | cols = line ? text - pos : strlen(pos); | |
b76c2afc | 2678 | } |
6706b2ba | 2679 | |
fe7233c3 | 2680 | waddnstr(view->win, pos, MIN(cols, cols_max)); |
6706b2ba | 2681 | col += cols; |
b76c2afc | 2682 | } |
b76c2afc JF |
2683 | |
2684 | } else { | |
749cdc92 | 2685 | int tilde_attr = get_line_attr(LINE_MAIN_DELIM); |
b801d8b2 | 2686 | |
749cdc92 | 2687 | draw_text(view, text, view->width, 0, TRUE, tilde_attr); |
6706b2ba | 2688 | } |
2e8488b4 | 2689 | |
b801d8b2 JF |
2690 | return TRUE; |
2691 | } | |
2692 | ||
dc23c0e3 | 2693 | static bool |
d65ced0d | 2694 | add_describe_ref(char *buf, size_t *bufpos, char *commit_id, const char *sep) |
dc23c0e3 | 2695 | { |
17482b11 | 2696 | char refbuf[SIZEOF_STR]; |
dc23c0e3 JF |
2697 | char *ref = NULL; |
2698 | FILE *pipe; | |
2699 | ||
d3c345f7 | 2700 | if (!string_format(refbuf, "git describe %s 2>/dev/null", commit_id)) |
dc23c0e3 JF |
2701 | return TRUE; |
2702 | ||
2703 | pipe = popen(refbuf, "r"); | |
2704 | if (!pipe) | |
2705 | return TRUE; | |
2706 | ||
2707 | if ((ref = fgets(refbuf, sizeof(refbuf), pipe))) | |
2708 | ref = chomp_string(ref); | |
2709 | pclose(pipe); | |
2710 | ||
2711 | if (!ref || !*ref) | |
2712 | return TRUE; | |
2713 | ||
2714 | /* This is the only fatal call, since it can "corrupt" the buffer. */ | |
17482b11 | 2715 | if (!string_nformat(buf, SIZEOF_STR, bufpos, "%s%s", sep, ref)) |
dc23c0e3 JF |
2716 | return FALSE; |
2717 | ||
2718 | return TRUE; | |
2719 | } | |
2720 | ||
7b99a34c JF |
2721 | static void |
2722 | add_pager_refs(struct view *view, struct line *line) | |
2723 | { | |
17482b11 | 2724 | char buf[SIZEOF_STR]; |
9295982a | 2725 | char *commit_id = (char *)line->data + STRING_SIZE("commit "); |
7b99a34c | 2726 | struct ref **refs; |
d65ced0d | 2727 | size_t bufpos = 0, refpos = 0; |
7b99a34c | 2728 | const char *sep = "Refs: "; |
dc23c0e3 | 2729 | bool is_tag = FALSE; |
7b99a34c JF |
2730 | |
2731 | assert(line->type == LINE_COMMIT); | |
2732 | ||
c9ca1ec3 | 2733 | refs = get_refs(commit_id); |
dc23c0e3 JF |
2734 | if (!refs) { |
2735 | if (view == VIEW(REQ_VIEW_DIFF)) | |
2736 | goto try_add_describe_ref; | |
7b99a34c | 2737 | return; |
dc23c0e3 | 2738 | } |
7b99a34c JF |
2739 | |
2740 | do { | |
cc2d1364 | 2741 | struct ref *ref = refs[refpos]; |
e15ec88e JF |
2742 | char *fmt = ref->tag ? "%s[%s]" : |
2743 | ref->remote ? "%s<%s>" : "%s%s"; | |
7b99a34c | 2744 | |
cc2d1364 JF |
2745 | if (!string_format_from(buf, &bufpos, fmt, sep, ref->name)) |
2746 | return; | |
7b99a34c | 2747 | sep = ", "; |
dc23c0e3 JF |
2748 | if (ref->tag) |
2749 | is_tag = TRUE; | |
7b99a34c JF |
2750 | } while (refs[refpos++]->next); |
2751 | ||
dc23c0e3 JF |
2752 | if (!is_tag && view == VIEW(REQ_VIEW_DIFF)) { |
2753 | try_add_describe_ref: | |
d42c8a35 | 2754 | /* Add <tag>-g<commit_id> "fake" reference. */ |
dc23c0e3 JF |
2755 | if (!add_describe_ref(buf, &bufpos, commit_id, sep)) |
2756 | return; | |
2757 | } | |
2758 | ||
d42c8a35 JF |
2759 | if (bufpos == 0) |
2760 | return; | |
2761 | ||
cc2d1364 | 2762 | if (!realloc_lines(view, view->line_size + 1)) |
7b99a34c JF |
2763 | return; |
2764 | ||
0a0d8910 | 2765 | add_line_text(view, buf, LINE_PP_REFS); |
7b99a34c JF |
2766 | } |
2767 | ||
6b161b31 | 2768 | static bool |
701e4f5d | 2769 | pager_read(struct view *view, char *data) |
22f66b0a | 2770 | { |
0a0d8910 | 2771 | struct line *line; |
22f66b0a | 2772 | |
be04d936 JF |
2773 | if (!data) |
2774 | return TRUE; | |
2775 | ||
0a0d8910 JF |
2776 | line = add_line_text(view, data, get_line_type(data)); |
2777 | if (!line) | |
7b99a34c | 2778 | return FALSE; |
fe7233c3 | 2779 | |
7b99a34c JF |
2780 | if (line->type == LINE_COMMIT && |
2781 | (view == VIEW(REQ_VIEW_DIFF) || | |
2782 | view == VIEW(REQ_VIEW_LOG))) | |
2783 | add_pager_refs(view, line); | |
2784 | ||
22f66b0a JF |
2785 | return TRUE; |
2786 | } | |
2787 | ||
586c423d JF |
2788 | static enum request |
2789 | pager_request(struct view *view, enum request request, struct line *line) | |
6b161b31 | 2790 | { |
91e8e277 | 2791 | int split = 0; |
6b161b31 | 2792 | |
586c423d JF |
2793 | if (request != REQ_ENTER) |
2794 | return request; | |
2795 | ||
9fbbd28f JF |
2796 | if (line->type == LINE_COMMIT && |
2797 | (view == VIEW(REQ_VIEW_LOG) || | |
2798 | view == VIEW(REQ_VIEW_PAGER))) { | |
91e8e277 JF |
2799 | open_view(view, REQ_VIEW_DIFF, OPEN_SPLIT); |
2800 | split = 1; | |
67e48ac5 JF |
2801 | } |
2802 | ||
91e8e277 JF |
2803 | /* Always scroll the view even if it was split. That way |
2804 | * you can use Enter to scroll through the log view and | |
2805 | * split open each commit diff. */ | |
2806 | scroll_view(view, REQ_SCROLL_LINE_DOWN); | |
2807 | ||
2808 | /* FIXME: A minor workaround. Scrolling the view will call report("") | |
9d82d824 JF |
2809 | * but if we are scrolling a non-current view this won't properly |
2810 | * update the view title. */ | |
91e8e277 JF |
2811 | if (split) |
2812 | update_view_title(view); | |
6b161b31 | 2813 | |
586c423d | 2814 | return REQ_NONE; |
6b161b31 JF |
2815 | } |
2816 | ||
4af34daa JF |
2817 | static bool |
2818 | pager_grep(struct view *view, struct line *line) | |
2819 | { | |
2820 | regmatch_t pmatch; | |
2821 | char *text = line->data; | |
2822 | ||
2823 | if (!*text) | |
2824 | return FALSE; | |
2825 | ||
b77b2cb8 | 2826 | if (regexec(view->regex, text, 1, &pmatch, 0) == REG_NOMATCH) |
4af34daa JF |
2827 | return FALSE; |
2828 | ||
2829 | return TRUE; | |
2830 | } | |
2831 | ||
d720de4b JF |
2832 | static void |
2833 | pager_select(struct view *view, struct line *line) | |
2834 | { | |
2835 | if (line->type == LINE_COMMIT) { | |
9295982a | 2836 | char *text = (char *)line->data + STRING_SIZE("commit "); |
d720de4b | 2837 | |
035ba11f | 2838 | if (view != VIEW(REQ_VIEW_PAGER)) |
2463b4ea JF |
2839 | string_copy_rev(view->ref, text); |
2840 | string_copy_rev(ref_commit, text); | |
d720de4b JF |
2841 | } |
2842 | } | |
2843 | ||
6b161b31 | 2844 | static struct view_ops pager_ops = { |
6734f6b9 | 2845 | "line", |
f098944b | 2846 | NULL, |
6b161b31 | 2847 | pager_read, |
f098944b | 2848 | pager_draw, |
586c423d | 2849 | pager_request, |
f098944b JF |
2850 | pager_grep, |
2851 | pager_select, | |
2852 | }; | |
2853 | ||
2854 | ||
2855 | /* | |
2856 | * Help backend | |
2857 | */ | |
2858 | ||
2859 | static bool | |
2860 | help_open(struct view *view) | |
2861 | { | |
2862 | char buf[BUFSIZ]; | |
2863 | int lines = ARRAY_SIZE(req_info) + 2; | |
2864 | int i; | |
2865 | ||
2866 | if (view->lines > 0) | |
2867 | return TRUE; | |
2868 | ||
2869 | for (i = 0; i < ARRAY_SIZE(req_info); i++) | |
2870 | if (!req_info[i].request) | |
2871 | lines++; | |
2872 | ||
9eb14b72 JF |
2873 | lines += run_requests + 1; |
2874 | ||
f098944b JF |
2875 | view->line = calloc(lines, sizeof(*view->line)); |
2876 | if (!view->line) | |
2877 | return FALSE; | |
2878 | ||
2879 | add_line_text(view, "Quick reference for tig keybindings:", LINE_DEFAULT); | |
2880 | ||
2881 | for (i = 0; i < ARRAY_SIZE(req_info); i++) { | |
2882 | char *key; | |
2883 | ||
0e4360b6 JF |
2884 | if (req_info[i].request == REQ_NONE) |
2885 | continue; | |
2886 | ||
f098944b JF |
2887 | if (!req_info[i].request) { |
2888 | add_line_text(view, "", LINE_DEFAULT); | |
2889 | add_line_text(view, req_info[i].help, LINE_DEFAULT); | |
2890 | continue; | |
2891 | } | |
2892 | ||
2893 | key = get_key(req_info[i].request); | |
0e4360b6 JF |
2894 | if (!*key) |
2895 | key = "(no key defined)"; | |
2896 | ||
f098944b JF |
2897 | if (!string_format(buf, " %-25s %s", key, req_info[i].help)) |
2898 | continue; | |
2899 | ||
2900 | add_line_text(view, buf, LINE_DEFAULT); | |
2901 | } | |
2902 | ||
9eb14b72 JF |
2903 | if (run_requests) { |
2904 | add_line_text(view, "", LINE_DEFAULT); | |
2905 | add_line_text(view, "External commands:", LINE_DEFAULT); | |
2906 | } | |
2907 | ||
2908 | for (i = 0; i < run_requests; i++) { | |
2909 | struct run_request *req = get_run_request(REQ_NONE + i + 1); | |
2910 | char *key; | |
2911 | ||
2912 | if (!req) | |
2913 | continue; | |
2914 | ||
2915 | key = get_key_name(req->key); | |
2916 | if (!*key) | |
2917 | key = "(no key defined)"; | |
2918 | ||
2919 | if (!string_format(buf, " %-10s %-14s `%s`", | |
2920 | keymap_table[req->keymap].name, | |
2921 | key, req->cmd)) | |
2922 | continue; | |
2923 | ||
2924 | add_line_text(view, buf, LINE_DEFAULT); | |
2925 | } | |
2926 | ||
f098944b JF |
2927 | return TRUE; |
2928 | } | |
2929 | ||
2930 | static struct view_ops help_ops = { | |
2931 | "line", | |
2932 | help_open, | |
2933 | NULL, | |
2934 | pager_draw, | |
586c423d | 2935 | pager_request, |
4af34daa | 2936 | pager_grep, |
d720de4b | 2937 | pager_select, |
6b161b31 JF |
2938 | }; |
2939 | ||
80ce96ea | 2940 | |
ff26aa29 | 2941 | /* |
e733ee54 JF |
2942 | * Tree backend |
2943 | */ | |
2944 | ||
69efc854 JF |
2945 | struct tree_stack_entry { |
2946 | struct tree_stack_entry *prev; /* Entry below this in the stack */ | |
2947 | unsigned long lineno; /* Line number to restore */ | |
2948 | char *name; /* Position of name in opt_path */ | |
2949 | }; | |
2950 | ||
2951 | /* The top of the path stack. */ | |
2952 | static struct tree_stack_entry *tree_stack = NULL; | |
2953 | unsigned long tree_lineno = 0; | |
2954 | ||
2955 | static void | |
2956 | pop_tree_stack_entry(void) | |
2957 | { | |
2958 | struct tree_stack_entry *entry = tree_stack; | |
2959 | ||
2960 | tree_lineno = entry->lineno; | |
2961 | entry->name[0] = 0; | |
2962 | tree_stack = entry->prev; | |
2963 | free(entry); | |
2964 | } | |
2965 | ||
2966 | static void | |
2967 | push_tree_stack_entry(char *name, unsigned long lineno) | |
2968 | { | |
2969 | struct tree_stack_entry *entry = calloc(1, sizeof(*entry)); | |
2970 | size_t pathlen = strlen(opt_path); | |
2971 | ||
2972 | if (!entry) | |
2973 | return; | |
2974 | ||
2975 | entry->prev = tree_stack; | |
2976 | entry->name = opt_path + pathlen; | |
2977 | tree_stack = entry; | |
2978 | ||
2979 | if (!string_format_from(opt_path, &pathlen, "%s/", name)) { | |
2980 | pop_tree_stack_entry(); | |
2981 | return; | |
2982 | } | |
2983 | ||
2984 | /* Move the current line to the first tree entry. */ | |
2985 | tree_lineno = 1; | |
2986 | entry->lineno = lineno; | |
2987 | } | |
2988 | ||
4795d620 | 2989 | /* Parse output from git-ls-tree(1): |
e733ee54 JF |
2990 | * |
2991 | * 100644 blob fb0e31ea6cc679b7379631188190e975f5789c26 Makefile | |
2992 | * 100644 blob 5304ca4260aaddaee6498f9630e7d471b8591ea6 README | |
2993 | * 100644 blob f931e1d229c3e185caad4449bf5b66ed72462657 tig.c | |
2994 | * 100644 blob ed09fe897f3c7c9af90bcf80cae92558ea88ae38 web.conf | |
2995 | */ | |
2996 | ||
2997 | #define SIZEOF_TREE_ATTR \ | |
2998 | STRING_SIZE("100644 blob ed09fe897f3c7c9af90bcf80cae92558ea88ae38\t") | |
2999 | ||
3000 | #define TREE_UP_FORMAT "040000 tree %s\t.." | |
3001 | ||
3002 | static int | |
3003 | tree_compare_entry(enum line_type type1, char *name1, | |
3004 | enum line_type type2, char *name2) | |
3005 | { | |
3006 | if (type1 != type2) { | |
3007 | if (type1 == LINE_TREE_DIR) | |
3008 | return -1; | |
3009 | return 1; | |
3010 | } | |
3011 | ||
3012 | return strcmp(name1, name2); | |
3013 | } | |
3014 | ||
3015 | static bool | |
3016 | tree_read(struct view *view, char *text) | |
3017 | { | |
be04d936 | 3018 | size_t textlen = text ? strlen(text) : 0; |
e733ee54 JF |
3019 | char buf[SIZEOF_STR]; |
3020 | unsigned long pos; | |
3021 | enum line_type type; | |
f88a5319 | 3022 | bool first_read = view->lines == 0; |
e733ee54 JF |
3023 | |
3024 | if (textlen <= SIZEOF_TREE_ATTR) | |
3025 | return FALSE; | |
3026 | ||
3027 | type = text[STRING_SIZE("100644 ")] == 't' | |
3028 | ? LINE_TREE_DIR : LINE_TREE_FILE; | |
3029 | ||
f88a5319 | 3030 | if (first_read) { |
e733ee54 | 3031 | /* Add path info line */ |
0a0d8910 JF |
3032 | if (!string_format(buf, "Directory path /%s", opt_path) || |
3033 | !realloc_lines(view, view->line_size + 1) || | |
3034 | !add_line_text(view, buf, LINE_DEFAULT)) | |
e733ee54 JF |
3035 | return FALSE; |
3036 | ||
3037 | /* Insert "link" to parent directory. */ | |
0a0d8910 JF |
3038 | if (*opt_path) { |
3039 | if (!string_format(buf, TREE_UP_FORMAT, view->ref) || | |
3040 | !realloc_lines(view, view->line_size + 1) || | |
3041 | !add_line_text(view, buf, LINE_TREE_DIR)) | |
3042 | return FALSE; | |
3043 | } | |
e733ee54 JF |
3044 | } |
3045 | ||
3046 | /* Strip the path part ... */ | |
3047 | if (*opt_path) { | |
3048 | size_t pathlen = textlen - SIZEOF_TREE_ATTR; | |
3049 | size_t striplen = strlen(opt_path); | |
3050 | char *path = text + SIZEOF_TREE_ATTR; | |
3051 | ||
3052 | if (pathlen > striplen) | |
3053 | memmove(path, path + striplen, | |
3054 | pathlen - striplen + 1); | |
3055 | } | |
3056 | ||
3057 | /* Skip "Directory ..." and ".." line. */ | |
3058 | for (pos = 1 + !!*opt_path; pos < view->lines; pos++) { | |
3059 | struct line *line = &view->line[pos]; | |
3060 | char *path1 = ((char *) line->data) + SIZEOF_TREE_ATTR; | |
3061 | char *path2 = text + SIZEOF_TREE_ATTR; | |
3062 | int cmp = tree_compare_entry(line->type, path1, type, path2); | |
3063 | ||
3064 | if (cmp <= 0) | |
3065 | continue; | |
3066 | ||
3067 | text = strdup(text); | |
3068 | if (!text) | |
3069 | return FALSE; | |
3070 | ||
3071 | if (view->lines > pos) | |
3072 | memmove(&view->line[pos + 1], &view->line[pos], | |
3073 | (view->lines - pos) * sizeof(*line)); | |
3074 | ||
3075 | line = &view->line[pos]; | |
3076 | line->data = text; | |
3077 | line->type = type; | |
3078 | view->lines++; | |
3079 | return TRUE; | |
3080 | } | |
3081 | ||
0a0d8910 | 3082 | if (!add_line_text(view, text, type)) |
e733ee54 JF |
3083 | return FALSE; |
3084 | ||
69efc854 JF |
3085 | if (tree_lineno > view->lineno) { |
3086 | view->lineno = tree_lineno; | |
3087 | tree_lineno = 0; | |
3088 | } | |
f88a5319 | 3089 | |
e733ee54 JF |
3090 | return TRUE; |
3091 | } | |
3092 | ||
586c423d JF |
3093 | static enum request |
3094 | tree_request(struct view *view, enum request request, struct line *line) | |
e733ee54 | 3095 | { |
aac64c17 | 3096 | enum open_flags flags; |
586c423d | 3097 | |
c509eed2 DV |
3098 | if (request == REQ_TREE_PARENT) { |
3099 | if (*opt_path) { | |
3100 | /* fake 'cd ..' */ | |
3101 | request = REQ_ENTER; | |
3102 | line = &view->line[1]; | |
3103 | } else { | |
3104 | /* quit view if at top of tree */ | |
3105 | return REQ_VIEW_CLOSE; | |
3106 | } | |
3107 | } | |
586c423d JF |
3108 | if (request != REQ_ENTER) |
3109 | return request; | |
e733ee54 | 3110 | |
69efc854 JF |
3111 | /* Cleanup the stack if the tree view is at a different tree. */ |
3112 | while (!*opt_path && tree_stack) | |
3113 | pop_tree_stack_entry(); | |
3114 | ||
e733ee54 JF |
3115 | switch (line->type) { |
3116 | case LINE_TREE_DIR: | |
3117 | /* Depending on whether it is a subdir or parent (updir?) link | |
3118 | * mangle the path buffer. */ | |
3119 | if (line == &view->line[1] && *opt_path) { | |
69efc854 | 3120 | pop_tree_stack_entry(); |
e733ee54 JF |
3121 | |
3122 | } else { | |
4795d620 | 3123 | char *data = line->data; |
e733ee54 JF |
3124 | char *basename = data + SIZEOF_TREE_ATTR; |
3125 | ||
69efc854 | 3126 | push_tree_stack_entry(basename, view->lineno); |
e733ee54 JF |
3127 | } |
3128 | ||
3129 | /* Trees and subtrees share the same ID, so they are not not | |
3130 | * unique like blobs. */ | |
aac64c17 | 3131 | flags = OPEN_RELOAD; |
e733ee54 JF |
3132 | request = REQ_VIEW_TREE; |
3133 | break; | |
3134 | ||
3135 | case LINE_TREE_FILE: | |
aac64c17 | 3136 | flags = display[0] == view ? OPEN_SPLIT : OPEN_DEFAULT; |
e733ee54 JF |
3137 | request = REQ_VIEW_BLOB; |
3138 | break; | |
3139 | ||
3140 | default: | |
3141 | return TRUE; | |
3142 | } | |
3143 | ||
3144 | open_view(view, request, flags); | |
69efc854 JF |
3145 | if (request == REQ_VIEW_TREE) { |
3146 | view->lineno = tree_lineno; | |
3147 | } | |
e733ee54 | 3148 | |
586c423d | 3149 | return REQ_NONE; |
e733ee54 JF |
3150 | } |
3151 | ||
d720de4b JF |
3152 | static void |
3153 | tree_select(struct view *view, struct line *line) | |
3154 | { | |
9295982a | 3155 | char *text = (char *)line->data + STRING_SIZE("100644 blob "); |
73c76ef5 JF |
3156 | |
3157 | if (line->type == LINE_TREE_FILE) { | |
2463b4ea | 3158 | string_copy_rev(ref_blob, text); |
d720de4b | 3159 | |
ebbaf4fe JF |
3160 | } else if (line->type != LINE_TREE_DIR) { |
3161 | return; | |
d720de4b | 3162 | } |
ebbaf4fe | 3163 | |
2463b4ea | 3164 | string_copy_rev(view->ref, text); |
d720de4b JF |
3165 | } |
3166 | ||
e733ee54 JF |
3167 | static struct view_ops tree_ops = { |
3168 | "file", | |
f098944b | 3169 | NULL, |
e733ee54 | 3170 | tree_read, |
f098944b | 3171 | pager_draw, |
586c423d | 3172 | tree_request, |
e733ee54 | 3173 | pager_grep, |
d720de4b | 3174 | tree_select, |
e733ee54 JF |
3175 | }; |
3176 | ||
3177 | static bool | |
3178 | blob_read(struct view *view, char *line) | |
3179 | { | |
c115e7ac | 3180 | return add_line_text(view, line, LINE_DEFAULT) != NULL; |
e733ee54 JF |
3181 | } |
3182 | ||
3183 | static struct view_ops blob_ops = { | |
3184 | "line", | |
f098944b | 3185 | NULL, |
e733ee54 | 3186 | blob_read, |
f098944b | 3187 | pager_draw, |
586c423d | 3188 | pager_request, |
e733ee54 | 3189 | pager_grep, |
d720de4b | 3190 | pager_select, |
e733ee54 JF |
3191 | }; |
3192 | ||
3193 | ||
3194 | /* | |
173d76ea JF |
3195 | * Status backend |
3196 | */ | |
3197 | ||
3198 | struct status { | |
3199 | char status; | |
3200 | struct { | |
3201 | mode_t mode; | |
3202 | char rev[SIZEOF_REV]; | |
5ba030cf | 3203 | char name[SIZEOF_STR]; |
173d76ea JF |
3204 | } old; |
3205 | struct { | |
3206 | mode_t mode; | |
3207 | char rev[SIZEOF_REV]; | |
5ba030cf | 3208 | char name[SIZEOF_STR]; |
173d76ea | 3209 | } new; |
173d76ea JF |
3210 | }; |
3211 | ||
b33611d8 JF |
3212 | static struct status stage_status; |
3213 | static enum line_type stage_line_type; | |
3214 | ||
173d76ea JF |
3215 | /* Get fields from the diff line: |
3216 | * :100644 100644 06a5d6ae9eca55be2e0e585a152e6b1336f2b20e 0000000000000000000000000000000000000000 M | |
3217 | */ | |
3218 | static inline bool | |
3219 | status_get_diff(struct status *file, char *buf, size_t bufsize) | |
3220 | { | |
3221 | char *old_mode = buf + 1; | |
3222 | char *new_mode = buf + 8; | |
3223 | char *old_rev = buf + 15; | |
3224 | char *new_rev = buf + 56; | |
3225 | char *status = buf + 97; | |
3226 | ||
5ba030cf | 3227 | if (bufsize < 99 || |
173d76ea JF |
3228 | old_mode[-1] != ':' || |
3229 | new_mode[-1] != ' ' || | |
3230 | old_rev[-1] != ' ' || | |
3231 | new_rev[-1] != ' ' || | |
3232 | status[-1] != ' ') | |
3233 | return FALSE; | |
3234 | ||
3235 | file->status = *status; | |
3236 | ||
3237 | string_copy_rev(file->old.rev, old_rev); | |
3238 | string_copy_rev(file->new.rev, new_rev); | |
3239 | ||
3240 | file->old.mode = strtoul(old_mode, NULL, 8); | |
3241 | file->new.mode = strtoul(new_mode, NULL, 8); | |
3242 | ||
5ba030cf | 3243 | file->old.name[0] = file->new.name[0] = 0; |
173d76ea JF |
3244 | |
3245 | return TRUE; | |
3246 | } | |
3247 | ||
3248 | static bool | |
3249 | status_run(struct view *view, const char cmd[], bool diff, enum line_type type) | |
3250 | { | |
3251 | struct status *file = NULL; | |
b5c18d9d | 3252 | struct status *unmerged = NULL; |
173d76ea JF |
3253 | char buf[SIZEOF_STR * 4]; |
3254 | size_t bufsize = 0; | |
3255 | FILE *pipe; | |
3256 | ||
3257 | pipe = popen(cmd, "r"); | |
3258 | if (!pipe) | |
3259 | return FALSE; | |
3260 | ||
3261 | add_line_data(view, NULL, type); | |
3262 | ||
3263 | while (!feof(pipe) && !ferror(pipe)) { | |
3264 | char *sep; | |
3265 | size_t readsize; | |
3266 | ||
3267 | readsize = fread(buf + bufsize, 1, sizeof(buf) - bufsize, pipe); | |
3268 | if (!readsize) | |
3269 | break; | |
3270 | bufsize += readsize; | |
3271 | ||
3272 | /* Process while we have NUL chars. */ | |
3273 | while ((sep = memchr(buf, 0, bufsize))) { | |
3274 | size_t sepsize = sep - buf + 1; | |
3275 | ||
3276 | if (!file) { | |
3277 | if (!realloc_lines(view, view->line_size + 1)) | |
3278 | goto error_out; | |
3279 | ||
3280 | file = calloc(1, sizeof(*file)); | |
3281 | if (!file) | |
3282 | goto error_out; | |
3283 | ||
3284 | add_line_data(view, file, type); | |
3285 | } | |
3286 | ||
3287 | /* Parse diff info part. */ | |
3288 | if (!diff) { | |
3289 | file->status = '?'; | |
3290 | ||
3291 | } else if (!file->status) { | |
3292 | if (!status_get_diff(file, buf, sepsize)) | |
3293 | goto error_out; | |
3294 | ||
3295 | bufsize -= sepsize; | |
3296 | memmove(buf, sep + 1, bufsize); | |
3297 | ||
3298 | sep = memchr(buf, 0, bufsize); | |
3299 | if (!sep) | |
3300 | break; | |
3301 | sepsize = sep - buf + 1; | |
b5c18d9d JF |
3302 | |
3303 | /* Collapse all 'M'odified entries that | |
3304 | * follow a associated 'U'nmerged entry. | |
3305 | */ | |
3306 | if (file->status == 'U') { | |
3307 | unmerged = file; | |
3308 | ||
3309 | } else if (unmerged) { | |
5ba030cf | 3310 | int collapse = !strcmp(buf, unmerged->new.name); |
b5c18d9d JF |
3311 | |
3312 | unmerged = NULL; | |
3313 | if (collapse) { | |
3314 | free(file); | |
3315 | view->lines--; | |
3316 | continue; | |
3317 | } | |
3318 | } | |
173d76ea JF |
3319 | } |
3320 | ||
5ba030cf JF |
3321 | /* Grab the old name for rename/copy. */ |
3322 | if (!*file->old.name && | |
3323 | (file->status == 'R' || file->status == 'C')) { | |
3324 | sepsize = sep - buf + 1; | |
3325 | string_ncopy(file->old.name, buf, sepsize); | |
3326 | bufsize -= sepsize; | |
3327 | memmove(buf, sep + 1, bufsize); | |
3328 | ||
3329 | sep = memchr(buf, 0, bufsize); | |
3330 | if (!sep) | |
3331 | break; | |
3332 | sepsize = sep - buf + 1; | |
3333 | } | |
3334 | ||
173d76ea JF |
3335 | /* git-ls-files just delivers a NUL separated |
3336 | * list of file names similar to the second half | |
3337 | * of the git-diff-* output. */ | |
5ba030cf JF |
3338 | string_ncopy(file->new.name, buf, sepsize); |
3339 | if (!*file->old.name) | |
3340 | string_copy(file->old.name, file->new.name); | |
173d76ea JF |
3341 | bufsize -= sepsize; |
3342 | memmove(buf, sep + 1, bufsize); | |
3343 | file = NULL; | |
3344 | } | |
3345 | } | |
3346 | ||
3347 | if (ferror(pipe)) { | |
3348 | error_out: | |
3349 | pclose(pipe); | |
3350 | return FALSE; | |
3351 | } | |
3352 | ||
3353 | if (!view->line[view->lines - 1].data) | |
3354 | add_line_data(view, NULL, LINE_STAT_NONE); | |
3355 | ||
3356 | pclose(pipe); | |
3357 | return TRUE; | |
3358 | } | |
3359 | ||
b5c18d9d | 3360 | /* Don't show unmerged entries in the staged section. */ |
5ba030cf | 3361 | #define STATUS_DIFF_INDEX_CMD "git diff-index -z --diff-filter=ACDMRTXB --cached -M HEAD" |
c630ef12 | 3362 | #define STATUS_DIFF_FILES_CMD "git update-index -q --refresh && git diff-files -z" |
173d76ea | 3363 | #define STATUS_LIST_OTHER_CMD \ |
810f0078 | 3364 | "git ls-files -z --others --exclude-per-directory=.gitignore" |
173d76ea | 3365 | |
f99c6095 | 3366 | #define STATUS_DIFF_INDEX_SHOW_CMD \ |
5ba030cf | 3367 | "git diff-index --root --patch-with-stat -C -M --cached HEAD -- %s %s 2>/dev/null" |
f99c6095 JF |
3368 | |
3369 | #define STATUS_DIFF_FILES_SHOW_CMD \ | |
5ba030cf | 3370 | "git diff-files --root --patch-with-stat -C -M -- %s %s 2>/dev/null" |
89d917a2 | 3371 | |
173d76ea JF |
3372 | /* First parse staged info using git-diff-index(1), then parse unstaged |
3373 | * info using git-diff-files(1), and finally untracked files using | |
3374 | * git-ls-files(1). */ | |
3375 | static bool | |
3376 | status_open(struct view *view) | |
3377 | { | |
810f0078 JF |
3378 | struct stat statbuf; |
3379 | char exclude[SIZEOF_STR]; | |
3380 | char cmd[SIZEOF_STR]; | |
12e8c2be | 3381 | unsigned long prev_lineno = view->lineno; |
173d76ea JF |
3382 | size_t i; |
3383 | ||
3384 | for (i = 0; i < view->lines; i++) | |
3385 | free(view->line[i].data); | |
3386 | free(view->line); | |
12e8c2be | 3387 | view->lines = view->line_size = view->lineno = 0; |
173d76ea JF |
3388 | view->line = NULL; |
3389 | ||
3390 | if (!realloc_lines(view, view->line_size + 6)) | |
3391 | return FALSE; | |
3392 | ||
810f0078 JF |
3393 | if (!string_format(exclude, "%s/info/exclude", opt_git_dir)) |
3394 | return FALSE; | |
3395 | ||
3396 | string_copy(cmd, STATUS_LIST_OTHER_CMD); | |
3397 | ||
3398 | if (stat(exclude, &statbuf) >= 0) { | |
3399 | size_t cmdsize = strlen(cmd); | |
3400 | ||
3401 | if (!string_format_from(cmd, &cmdsize, " %s", "--exclude-from=") || | |
3402 | sq_quote(cmd, cmdsize, exclude) >= sizeof(cmd)) | |
3403 | return FALSE; | |
3404 | } | |
3405 | ||
173d76ea JF |
3406 | if (!status_run(view, STATUS_DIFF_INDEX_CMD, TRUE, LINE_STAT_STAGED) || |
3407 | !status_run(view, STATUS_DIFF_FILES_CMD, TRUE, LINE_STAT_UNSTAGED) || | |
810f0078 | 3408 | !status_run(view, cmd, FALSE, LINE_STAT_UNTRACKED)) |
173d76ea JF |
3409 | return FALSE; |
3410 | ||
12e8c2be JF |
3411 | /* If all went well restore the previous line number to stay in |
3412 | * the context. */ | |
3413 | if (prev_lineno < view->lines) | |
3414 | view->lineno = prev_lineno; | |
3415 | else | |
3416 | view->lineno = view->lines - 1; | |
3417 | ||
173d76ea JF |
3418 | return TRUE; |
3419 | } | |
3420 | ||
3421 | static bool | |
3422 | status_draw(struct view *view, struct line *line, unsigned int lineno, bool selected) | |
3423 | { | |
3424 | struct status *status = line->data; | |
749cdc92 | 3425 | int tilde_attr = get_line_attr(LINE_MAIN_DELIM); |
173d76ea JF |
3426 | |
3427 | wmove(view->win, lineno, 0); | |
3428 | ||
3429 | if (selected) { | |
3430 | wattrset(view->win, get_line_attr(LINE_CURSOR)); | |
3431 | wchgat(view->win, -1, 0, LINE_CURSOR, NULL); | |
749cdc92 | 3432 | tilde_attr = -1; |
173d76ea JF |
3433 | |
3434 | } else if (!status && line->type != LINE_STAT_NONE) { | |
3435 | wattrset(view->win, get_line_attr(LINE_STAT_SECTION)); | |
3436 | wchgat(view->win, -1, 0, LINE_STAT_SECTION, NULL); | |
3437 | ||
3438 | } else { | |
3439 | wattrset(view->win, get_line_attr(line->type)); | |
3440 | } | |
3441 | ||
3442 | if (!status) { | |
3443 | char *text; | |
3444 | ||
3445 | switch (line->type) { | |
3446 | case LINE_STAT_STAGED: | |
3447 | text = "Changes to be committed:"; | |
3448 | break; | |
3449 | ||
3450 | case LINE_STAT_UNSTAGED: | |
3451 | text = "Changed but not updated:"; | |
3452 | break; | |
3453 | ||
3454 | case LINE_STAT_UNTRACKED: | |
3455 | text = "Untracked files:"; | |
3456 | break; | |
3457 | ||
3458 | case LINE_STAT_NONE: | |
3459 | text = " (no files)"; | |
3460 | break; | |
3461 | ||
3462 | default: | |
3463 | return FALSE; | |
3464 | } | |
3465 | ||
749cdc92 | 3466 | draw_text(view, text, view->width, 0, TRUE, tilde_attr); |
173d76ea JF |
3467 | return TRUE; |
3468 | } | |
3469 | ||
3470 | waddch(view->win, status->status); | |
3471 | if (!selected) | |
3472 | wattrset(view->win, A_NORMAL); | |
3473 | wmove(view->win, lineno, 4); | |
749cdc92 JF |
3474 | if (view->width < 5) |
3475 | return TRUE; | |
173d76ea | 3476 | |
749cdc92 | 3477 | draw_text(view, status->new.name, view->width - 5, 5, TRUE, tilde_attr); |
173d76ea JF |
3478 | return TRUE; |
3479 | } | |
3480 | ||
586c423d | 3481 | static enum request |
88f66e2d | 3482 | status_enter(struct view *view, struct line *line) |
173d76ea | 3483 | { |
89d917a2 | 3484 | struct status *status = line->data; |
5ba030cf JF |
3485 | char oldpath[SIZEOF_STR] = ""; |
3486 | char newpath[SIZEOF_STR] = ""; | |
89d917a2 JF |
3487 | char *info; |
3488 | size_t cmdsize = 0; | |
3489 | ||
4e8159cf JF |
3490 | if (line->type == LINE_STAT_NONE || |
3491 | (!status && line[1].type == LINE_STAT_NONE)) { | |
3492 | report("No file to diff"); | |
586c423d | 3493 | return REQ_NONE; |
89d917a2 JF |
3494 | } |
3495 | ||
5ba030cf JF |
3496 | if (status) { |
3497 | if (sq_quote(oldpath, 0, status->old.name) >= sizeof(oldpath)) | |
3498 | return REQ_QUIT; | |
3499 | /* Diffs for unmerged entries are empty when pasing the | |
3500 | * new path, so leave it empty. */ | |
3501 | if (status->status != 'U' && | |
3502 | sq_quote(newpath, 0, status->new.name) >= sizeof(newpath)) | |
3503 | return REQ_QUIT; | |
3504 | } | |
89d917a2 JF |
3505 | |
3506 | if (opt_cdup[0] && | |
3507 | line->type != LINE_STAT_UNTRACKED && | |
3508 | !string_format_from(opt_cmd, &cmdsize, "cd %s;", opt_cdup)) | |
586c423d | 3509 | return REQ_QUIT; |
89d917a2 JF |
3510 | |
3511 | switch (line->type) { | |
3512 | case LINE_STAT_STAGED: | |
f99c6095 | 3513 | if (!string_format_from(opt_cmd, &cmdsize, |
5ba030cf | 3514 | STATUS_DIFF_INDEX_SHOW_CMD, oldpath, newpath)) |
586c423d | 3515 | return REQ_QUIT; |
4e8159cf JF |
3516 | if (status) |
3517 | info = "Staged changes to %s"; | |
3518 | else | |
3519 | info = "Staged changes"; | |
89d917a2 JF |
3520 | break; |
3521 | ||
3522 | case LINE_STAT_UNSTAGED: | |
f99c6095 | 3523 | if (!string_format_from(opt_cmd, &cmdsize, |
5ba030cf | 3524 | STATUS_DIFF_FILES_SHOW_CMD, oldpath, newpath)) |
586c423d | 3525 | return REQ_QUIT; |
4e8159cf JF |
3526 | if (status) |
3527 | info = "Unstaged changes to %s"; | |
3528 | else | |
3529 | info = "Unstaged changes"; | |
89d917a2 JF |
3530 | break; |
3531 | ||
3532 | case LINE_STAT_UNTRACKED: | |
3533 | if (opt_pipe) | |
586c423d JF |
3534 | return REQ_QUIT; |
3535 | ||
4e8159cf JF |
3536 | |
3537 | if (!status) { | |
3538 | report("No file to show"); | |
586c423d | 3539 | return REQ_NONE; |
4e8159cf JF |
3540 | } |
3541 | ||
5ba030cf | 3542 | opt_pipe = fopen(status->new.name, "r"); |
89d917a2 JF |
3543 | info = "Untracked file %s"; |
3544 | break; | |
3545 | ||
3546 | default: | |
e77aa656 | 3547 | die("line type %d not handled in switch", line->type); |
89d917a2 JF |
3548 | } |
3549 | ||
3e634113 JF |
3550 | open_view(view, REQ_VIEW_STAGE, OPEN_RELOAD | OPEN_SPLIT); |
3551 | if (view_is_displayed(VIEW(REQ_VIEW_STAGE))) { | |
b33611d8 JF |
3552 | if (status) { |
3553 | stage_status = *status; | |
3554 | } else { | |
3555 | memset(&stage_status, 0, sizeof(stage_status)); | |
3556 | } | |
3557 | ||
3558 | stage_line_type = line->type; | |
5ba030cf | 3559 | string_format(VIEW(REQ_VIEW_STAGE)->ref, info, stage_status.new.name); |
89d917a2 JF |
3560 | } |
3561 | ||
586c423d | 3562 | return REQ_NONE; |
ca1d71ea JF |
3563 | } |
3564 | ||
88f66e2d | 3565 | |
ca1d71ea JF |
3566 | static bool |
3567 | status_update_file(struct view *view, struct status *status, enum line_type type) | |
3568 | { | |
91c5d983 | 3569 | char cmd[SIZEOF_STR]; |
173d76ea | 3570 | char buf[SIZEOF_STR]; |
91c5d983 | 3571 | size_t cmdsize = 0; |
173d76ea JF |
3572 | size_t bufsize = 0; |
3573 | size_t written = 0; | |
3574 | FILE *pipe; | |
3575 | ||
91c5d983 | 3576 | if (opt_cdup[0] && |
ca1d71ea | 3577 | type != LINE_STAT_UNTRACKED && |
91c5d983 JF |
3578 | !string_format_from(cmd, &cmdsize, "cd %s;", opt_cdup)) |
3579 | return FALSE; | |
3580 | ||
ca1d71ea | 3581 | switch (type) { |
173d76ea JF |
3582 | case LINE_STAT_STAGED: |
3583 | if (!string_format_from(buf, &bufsize, "%06o %s\t%s%c", | |
3584 | status->old.mode, | |
3585 | status->old.rev, | |
5ba030cf | 3586 | status->old.name, 0)) |
173d76ea | 3587 | return FALSE; |
91c5d983 JF |
3588 | |
3589 | string_add(cmd, cmdsize, "git update-index -z --index-info"); | |
173d76ea JF |
3590 | break; |
3591 | ||
3592 | case LINE_STAT_UNSTAGED: | |
3593 | case LINE_STAT_UNTRACKED: | |
5ba030cf | 3594 | if (!string_format_from(buf, &bufsize, "%s%c", status->new.name, 0)) |
173d76ea | 3595 | return FALSE; |
91c5d983 JF |
3596 | |
3597 | string_add(cmd, cmdsize, "git update-index -z --add --remove --stdin"); | |
173d76ea JF |
3598 | break; |
3599 | ||
3600 | default: | |
e77aa656 | 3601 | die("line type %d not handled in switch", type); |
173d76ea JF |
3602 | } |
3603 | ||
3604 | pipe = popen(cmd, "w"); | |
3605 | if (!pipe) | |
3606 | return FALSE; | |
3607 | ||
3608 | while (!ferror(pipe) && written < bufsize) { | |
3609 | written += fwrite(buf + written, 1, bufsize - written, pipe); | |
3610 | } | |
3611 | ||
3612 | pclose(pipe); | |
3613 | ||
3614 | if (written != bufsize) | |
3615 | return FALSE; | |
3616 | ||
173d76ea JF |
3617 | return TRUE; |
3618 | } | |
3619 | ||
3620 | static void | |
ca1d71ea JF |
3621 | status_update(struct view *view) |
3622 | { | |
dec7b437 | 3623 | struct line *line = &view->line[view->lineno]; |
351917f8 | 3624 | |
dec7b437 | 3625 | assert(view->lines); |
11359638 | 3626 | |
dec7b437 JF |
3627 | if (!line->data) { |
3628 | while (++line < view->line + view->lines && line->data) { | |
3629 | if (!status_update_file(view, line->data, line->type)) | |
3630 | report("Failed to update file status"); | |
3631 | } | |
11359638 | 3632 | |
dec7b437 JF |
3633 | if (!line[-1].data) { |
3634 | report("Nothing to update"); | |
3635 | return; | |
93e4c4f6 JF |
3636 | } |
3637 | ||
dec7b437 JF |
3638 | } else if (!status_update_file(view, line->data, line->type)) { |
3639 | report("Failed to update file status"); | |
ca1d71ea JF |
3640 | } |
3641 | } | |
3642 | ||
88f66e2d JF |
3643 | static enum request |
3644 | status_request(struct view *view, enum request request, struct line *line) | |
3645 | { | |
0cea0d43 JF |
3646 | struct status *status = line->data; |
3647 | ||
88f66e2d JF |
3648 | switch (request) { |
3649 | case REQ_STATUS_UPDATE: | |
3650 | status_update(view); | |
3651 | break; | |
3652 | ||
b5c18d9d | 3653 | case REQ_STATUS_MERGE: |
91521b9d JF |
3654 | if (!status || status->status != 'U') { |
3655 | report("Merging only possible for files with unmerged status ('U')."); | |
3656 | return REQ_NONE; | |
3657 | } | |
5ba030cf | 3658 | open_mergetool(status->new.name); |
b5c18d9d JF |
3659 | break; |
3660 | ||
0cea0d43 JF |
3661 | case REQ_EDIT: |
3662 | if (!status) | |
3663 | return request; | |
3664 | ||
5ba030cf | 3665 | open_editor(status->status != '?', status->new.name); |
0cea0d43 JF |
3666 | break; |
3667 | ||
88f66e2d | 3668 | case REQ_ENTER: |
17a27c16 JF |
3669 | /* After returning the status view has been split to |
3670 | * show the stage view. No further reloading is | |
3671 | * necessary. */ | |
88f66e2d | 3672 | status_enter(view, line); |
17a27c16 | 3673 | return REQ_NONE; |
88f66e2d | 3674 | |
acaef3b3 | 3675 | case REQ_REFRESH: |
17a27c16 | 3676 | /* Simply reload the view. */ |
acaef3b3 JF |
3677 | break; |
3678 | ||
88f66e2d JF |
3679 | default: |
3680 | return request; | |
3681 | } | |
3682 | ||
17a27c16 JF |
3683 | open_view(view, REQ_VIEW_STATUS, OPEN_RELOAD); |
3684 | ||
88f66e2d JF |
3685 | return REQ_NONE; |
3686 | } | |
3687 | ||
ca1d71ea | 3688 | static void |
173d76ea JF |
3689 | status_select(struct view *view, struct line *line) |
3690 | { | |
11359638 JF |
3691 | struct status *status = line->data; |
3692 | char file[SIZEOF_STR] = "all files"; | |
173d76ea | 3693 | char *text; |
b5c18d9d | 3694 | char *key; |
173d76ea | 3695 | |
5ba030cf | 3696 | if (status && !string_format(file, "'%s'", status->new.name)) |
11359638 JF |
3697 | return; |
3698 | ||
3699 | if (!status && line[1].type == LINE_STAT_NONE) | |
3700 | line++; | |
3701 | ||
173d76ea JF |
3702 | switch (line->type) { |
3703 | case LINE_STAT_STAGED: | |
11359638 | 3704 | text = "Press %s to unstage %s for commit"; |
173d76ea JF |
3705 | break; |
3706 | ||
3707 | case LINE_STAT_UNSTAGED: | |
11359638 | 3708 | text = "Press %s to stage %s for commit"; |
173d76ea JF |
3709 | break; |
3710 | ||
3711 | case LINE_STAT_UNTRACKED: | |
11359638 | 3712 | text = "Press %s to stage %s for addition"; |
173d76ea JF |
3713 | break; |
3714 | ||
3715 | case LINE_STAT_NONE: | |
11359638 JF |
3716 | text = "Nothing to update"; |
3717 | break; | |
173d76ea JF |
3718 | |
3719 | default: | |
e77aa656 | 3720 | die("line type %d not handled in switch", line->type); |
173d76ea JF |
3721 | } |
3722 | ||
b5c18d9d JF |
3723 | if (status && status->status == 'U') { |
3724 | text = "Press %s to resolve conflict in %s"; | |
3725 | key = get_key(REQ_STATUS_MERGE); | |
3726 | ||
3727 | } else { | |
3728 | key = get_key(REQ_STATUS_UPDATE); | |
3729 | } | |
3730 | ||
3731 | string_format(view->ref, text, key, file); | |
173d76ea JF |
3732 | } |
3733 | ||
3734 | static bool | |
3735 | status_grep(struct view *view, struct line *line) | |
3736 | { | |
3737 | struct status *status = line->data; | |
3738 | enum { S_STATUS, S_NAME, S_END } state; | |
3739 | char buf[2] = "?"; | |
3740 | regmatch_t pmatch; | |
3741 | ||
3742 | if (!status) | |
3743 | return FALSE; | |
3744 | ||
3745 | for (state = S_STATUS; state < S_END; state++) { | |
3746 | char *text; | |
3747 | ||
3748 | switch (state) { | |
5ba030cf | 3749 | case S_NAME: text = status->new.name; break; |
173d76ea JF |
3750 | case S_STATUS: |
3751 | buf[0] = status->status; | |
3752 | text = buf; | |
3753 | break; | |
3754 | ||
3755 | default: | |
3756 | return FALSE; | |
3757 | } | |
3758 | ||
3759 | if (regexec(view->regex, text, 1, &pmatch, 0) != REG_NOMATCH) | |
3760 | return TRUE; | |
3761 | } | |
3762 | ||
3763 | return FALSE; | |
3764 | } | |
3765 | ||
3766 | static struct view_ops status_ops = { | |
3767 | "file", | |
3768 | status_open, | |
3769 | NULL, | |
3770 | status_draw, | |
586c423d | 3771 | status_request, |
173d76ea JF |
3772 | status_grep, |
3773 | status_select, | |
3774 | }; | |
3775 | ||
b33611d8 JF |
3776 | |
3777 | static bool | |
3778 | stage_diff_line(FILE *pipe, struct line *line) | |
3779 | { | |
3780 | char *buf = line->data; | |
3781 | size_t bufsize = strlen(buf); | |
3782 | size_t written = 0; | |
3783 | ||
3784 | while (!ferror(pipe) && written < bufsize) { | |
3785 | written += fwrite(buf + written, 1, bufsize - written, pipe); | |
3786 | } | |
3787 | ||
3788 | fputc('\n', pipe); | |
3789 | ||
3790 | return written == bufsize; | |
3791 | } | |
3792 | ||
3793 | static struct line * | |
3794 | stage_diff_hdr(struct view *view, struct line *line) | |
3795 | { | |
3796 | int diff_hdr_dir = line->type == LINE_DIFF_CHUNK ? -1 : 1; | |
3797 | struct line *diff_hdr; | |
3798 | ||
3799 | if (line->type == LINE_DIFF_CHUNK) | |
3800 | diff_hdr = line - 1; | |
3801 | else | |
3802 | diff_hdr = view->line + 1; | |
3803 | ||
3804 | while (diff_hdr > view->line && diff_hdr < view->line + view->lines) { | |
3805 | if (diff_hdr->type == LINE_DIFF_HEADER) | |
3806 | return diff_hdr; | |
3807 | ||
3808 | diff_hdr += diff_hdr_dir; | |
3809 | } | |
3810 | ||
3811 | return NULL; | |
3812 | } | |
3813 | ||
3814 | static bool | |
3815 | stage_update_chunk(struct view *view, struct line *line) | |
3816 | { | |
3817 | char cmd[SIZEOF_STR]; | |
3818 | size_t cmdsize = 0; | |
3819 | struct line *diff_hdr, *diff_chunk, *diff_end; | |
3820 | FILE *pipe; | |
3821 | ||
3822 | diff_hdr = stage_diff_hdr(view, line); | |
3823 | if (!diff_hdr) | |
3824 | return FALSE; | |
3825 | ||
3826 | if (opt_cdup[0] && | |
3827 | !string_format_from(cmd, &cmdsize, "cd %s;", opt_cdup)) | |
3828 | return FALSE; | |
3829 | ||
3830 | if (!string_format_from(cmd, &cmdsize, | |
3831 | "git apply --cached %s - && " | |
3832 | "git update-index -q --unmerged --refresh 2>/dev/null", | |
3833 | stage_line_type == LINE_STAT_STAGED ? "-R" : "")) | |
3834 | return FALSE; | |
3835 | ||
3836 | pipe = popen(cmd, "w"); | |
3837 | if (!pipe) | |
3838 | return FALSE; | |
3839 | ||
3840 | diff_end = view->line + view->lines; | |
3841 | if (line->type != LINE_DIFF_CHUNK) { | |
3842 | diff_chunk = diff_hdr; | |
3843 | ||
3844 | } else { | |
3845 | for (diff_chunk = line + 1; diff_chunk < diff_end; diff_chunk++) | |
3846 | if (diff_chunk->type == LINE_DIFF_CHUNK || | |
3847 | diff_chunk->type == LINE_DIFF_HEADER) | |
3848 | diff_end = diff_chunk; | |
3849 | ||
3850 | diff_chunk = line; | |
3851 | ||
3852 | while (diff_hdr->type != LINE_DIFF_CHUNK) { | |
3853 | switch (diff_hdr->type) { | |
3854 | case LINE_DIFF_HEADER: | |
3855 | case LINE_DIFF_INDEX: | |
3856 | case LINE_DIFF_ADD: | |
3857 | case LINE_DIFF_DEL: | |
3858 | break; | |
3859 | ||
3860 | default: | |
3861 | diff_hdr++; | |
3862 | continue; | |
3863 | } | |
3864 | ||
3865 | if (!stage_diff_line(pipe, diff_hdr++)) { | |
3866 | pclose(pipe); | |
3867 | return FALSE; | |
3868 | } | |
3869 | } | |
3870 | } | |
3871 | ||
3872 | while (diff_chunk < diff_end && stage_diff_line(pipe, diff_chunk)) | |
3873 | diff_chunk++; | |
3874 | ||
3875 | pclose(pipe); | |
3876 | ||
3877 | if (diff_chunk != diff_end) | |
3878 | return FALSE; | |
3879 | ||
3880 | return TRUE; | |
3881 | } | |
3882 | ||
3883 | static void | |
3884 | stage_update(struct view *view, struct line *line) | |
3885 | { | |
3886 | if (stage_line_type != LINE_STAT_UNTRACKED && | |
3887 | (line->type == LINE_DIFF_CHUNK || !stage_status.status)) { | |
3888 | if (!stage_update_chunk(view, line)) { | |
3889 | report("Failed to apply chunk"); | |
3890 | return; | |
3891 | } | |
3892 | ||
3893 | } else if (!status_update_file(view, &stage_status, stage_line_type)) { | |
3894 | report("Failed to update file"); | |
3895 | return; | |
3896 | } | |
3897 | ||
3898 | open_view(view, REQ_VIEW_STATUS, OPEN_RELOAD); | |
3899 | ||
3900 | view = VIEW(REQ_VIEW_STATUS); | |
3901 | if (view_is_displayed(view)) | |
3902 | status_enter(view, &view->line[view->lineno]); | |
3903 | } | |
3904 | ||
3905 | static enum request | |
3906 | stage_request(struct view *view, enum request request, struct line *line) | |
3907 | { | |
3908 | switch (request) { | |
3909 | case REQ_STATUS_UPDATE: | |
3910 | stage_update(view, line); | |
3911 | break; | |
3912 | ||
3913 | case REQ_EDIT: | |
5ba030cf | 3914 | if (!stage_status.new.name[0]) |
b33611d8 JF |
3915 | return request; |
3916 | ||
5ba030cf | 3917 | open_editor(stage_status.status != '?', stage_status.new.name); |
b33611d8 JF |
3918 | break; |
3919 | ||
3920 | case REQ_ENTER: | |
3921 | pager_request(view, request, line); | |
3922 | break; | |
3923 | ||
3924 | default: | |
3925 | return request; | |
3926 | } | |
3927 | ||
3928 | return REQ_NONE; | |
3929 | } | |
3930 | ||
3e634113 JF |
3931 | static struct view_ops stage_ops = { |
3932 | "line", | |
3933 | NULL, | |
3934 | pager_read, | |
3935 | pager_draw, | |
b33611d8 | 3936 | stage_request, |
3e634113 JF |
3937 | pager_grep, |
3938 | pager_select, | |
3939 | }; | |
173d76ea | 3940 | |
b33611d8 | 3941 | |
173d76ea | 3942 | /* |
ccc33449 | 3943 | * Revision graph |
ff26aa29 JF |
3944 | */ |
3945 | ||
3946 | struct commit { | |
10446330 | 3947 | char id[SIZEOF_REV]; /* SHA1 ID. */ |
aea510c8 | 3948 | char title[128]; /* First line of the commit message. */ |
54efb62b JF |
3949 | char author[75]; /* Author of the commit. */ |
3950 | struct tm time; /* Date from the author ident. */ | |
3951 | struct ref **refs; /* Repository references. */ | |
3952 | chtype graph[SIZEOF_REVGRAPH]; /* Ancestry chain graphics. */ | |
3953 | size_t graph_size; /* The width of the graph array. */ | |
ff26aa29 | 3954 | }; |
c34d9c9f | 3955 | |
ccc33449 JF |
3956 | /* Size of rev graph with no "padding" columns */ |
3957 | #define SIZEOF_REVITEMS (SIZEOF_REVGRAPH - (SIZEOF_REVGRAPH / 2)) | |
2b757533 | 3958 | |
2ce5c87c JF |
3959 | struct rev_graph { |
3960 | struct rev_graph *prev, *next, *parents; | |
2b757533 JF |
3961 | char rev[SIZEOF_REVITEMS][SIZEOF_REV]; |
3962 | size_t size; | |
88757ebd JF |
3963 | struct commit *commit; |
3964 | size_t pos; | |
e81e9c2c | 3965 | unsigned int boundary:1; |
2b757533 JF |
3966 | }; |
3967 | ||
2b757533 | 3968 | /* Parents of the commit being visualized. */ |
446a5c36 | 3969 | static struct rev_graph graph_parents[4]; |
c8d60a25 | 3970 | |
c65a501a | 3971 | /* The current stack of revisions on the graph. */ |
446a5c36 JF |
3972 | static struct rev_graph graph_stacks[4] = { |
3973 | { &graph_stacks[3], &graph_stacks[1], &graph_parents[0] }, | |
c65a501a | 3974 | { &graph_stacks[0], &graph_stacks[2], &graph_parents[1] }, |
446a5c36 JF |
3975 | { &graph_stacks[1], &graph_stacks[3], &graph_parents[2] }, |
3976 | { &graph_stacks[2], &graph_stacks[0], &graph_parents[3] }, | |
c65a501a JF |
3977 | }; |
3978 | ||
9e43b9cd | 3979 | static inline bool |
2ce5c87c | 3980 | graph_parent_is_merge(struct rev_graph *graph) |
9e43b9cd JF |
3981 | { |
3982 | return graph->parents->size > 1; | |
3983 | } | |
3984 | ||
88757ebd | 3985 | static inline void |
2ce5c87c | 3986 | append_to_rev_graph(struct rev_graph *graph, chtype symbol) |
88757ebd | 3987 | { |
2c27faac JF |
3988 | struct commit *commit = graph->commit; |
3989 | ||
3990 | if (commit->graph_size < ARRAY_SIZE(commit->graph) - 1) | |
3991 | commit->graph[commit->graph_size++] = symbol; | |
88757ebd JF |
3992 | } |
3993 | ||
2b757533 | 3994 | static void |
2ce5c87c | 3995 | done_rev_graph(struct rev_graph *graph) |
987890af JF |
3996 | { |
3997 | if (graph_parent_is_merge(graph) && | |
3998 | graph->pos < graph->size - 1 && | |
3999 | graph->next->size == graph->size + graph->parents->size - 1) { | |
4000 | size_t i = graph->pos + graph->parents->size - 1; | |
4001 | ||
4002 | graph->commit->graph_size = i * 2; | |
4003 | while (i < graph->next->size - 1) { | |
4004 | append_to_rev_graph(graph, ' '); | |
4005 | append_to_rev_graph(graph, '\\'); | |
4006 | i++; | |
4007 | } | |
4008 | } | |
4009 | ||
4010 | graph->size = graph->pos = 0; | |
4011 | graph->commit = NULL; | |
4012 | memset(graph->parents, 0, sizeof(*graph->parents)); | |
4013 | } | |
4014 | ||
4015 | static void | |
2ce5c87c | 4016 | push_rev_graph(struct rev_graph *graph, char *parent) |
2b757533 | 4017 | { |
2fe894e6 JF |
4018 | int i; |
4019 | ||
4020 | /* "Collapse" duplicate parents lines. | |
4021 | * | |
4022 | * FIXME: This needs to also update update the drawn graph but | |
4023 | * for now it just serves as a method for pruning graph lines. */ | |
4024 | for (i = 0; i < graph->size; i++) | |
4025 | if (!strncmp(graph->rev[i], parent, SIZEOF_REV)) | |
4026 | return; | |
2b757533 | 4027 | |
2ce5c87c | 4028 | if (graph->size < SIZEOF_REVITEMS) { |
739e81de | 4029 | string_copy_rev(graph->rev[graph->size++], parent); |
2b757533 JF |
4030 | } |
4031 | } | |
4032 | ||
92507a24 JF |
4033 | static chtype |
4034 | get_rev_graph_symbol(struct rev_graph *graph) | |
2b757533 | 4035 | { |
92507a24 | 4036 | chtype symbol; |
2b757533 | 4037 | |
e81e9c2c JF |
4038 | if (graph->boundary) |
4039 | symbol = REVGRAPH_BOUND; | |
4040 | else if (graph->parents->size == 0) | |
c8d60a25 | 4041 | symbol = REVGRAPH_INIT; |
18ffaa23 | 4042 | else if (graph_parent_is_merge(graph)) |
c8d60a25 | 4043 | symbol = REVGRAPH_MERGE; |
c65a501a | 4044 | else if (graph->pos >= graph->size) |
c8d60a25 | 4045 | symbol = REVGRAPH_BRANCH; |
2b757533 | 4046 | else |
c8d60a25 | 4047 | symbol = REVGRAPH_COMMIT; |
1dcb3bec | 4048 | |
92507a24 JF |
4049 | return symbol; |
4050 | } | |
4051 | ||
4052 | static void | |
4053 | draw_rev_graph(struct rev_graph *graph) | |
4054 | { | |
e937c2c8 JF |
4055 | struct rev_filler { |
4056 | chtype separator, line; | |
4057 | }; | |
4058 | enum { DEFAULT, RSHARP, RDIAG, LDIAG }; | |
4059 | static struct rev_filler fillers[] = { | |
4060 | { ' ', REVGRAPH_LINE }, | |
4061 | { '`', '.' }, | |
4062 | { '\'', ' ' }, | |
4063 | { '/', ' ' }, | |
e937c2c8 | 4064 | }; |
92507a24 | 4065 | chtype symbol = get_rev_graph_symbol(graph); |
e937c2c8 | 4066 | struct rev_filler *filler; |
92507a24 JF |
4067 | size_t i; |
4068 | ||
e937c2c8 | 4069 | filler = &fillers[DEFAULT]; |
110e948e | 4070 | |
c65a501a | 4071 | for (i = 0; i < graph->pos; i++) { |
e937c2c8 | 4072 | append_to_rev_graph(graph, filler->line); |
9e43b9cd | 4073 | if (graph_parent_is_merge(graph->prev) && |
e937c2c8 JF |
4074 | graph->prev->pos == i) |
4075 | filler = &fillers[RSHARP]; | |
4076 | ||
4077 | append_to_rev_graph(graph, filler->separator); | |
110e948e JF |
4078 | } |
4079 | ||
92507a24 | 4080 | /* Place the symbol for this revision. */ |
c65a501a | 4081 | append_to_rev_graph(graph, symbol); |
2b757533 | 4082 | |
e937c2c8 JF |
4083 | if (graph->prev->size > graph->size) |
4084 | filler = &fillers[RDIAG]; | |
4085 | else | |
4086 | filler = &fillers[DEFAULT]; | |
4087 | ||
c8d60a25 | 4088 | i++; |
2b757533 | 4089 | |
c65a501a | 4090 | for (; i < graph->size; i++) { |
e937c2c8 JF |
4091 | append_to_rev_graph(graph, filler->separator); |
4092 | append_to_rev_graph(graph, filler->line); | |
4093 | if (graph_parent_is_merge(graph->prev) && | |
4094 | i < graph->prev->pos + graph->parents->size) | |
4095 | filler = &fillers[RSHARP]; | |
4096 | if (graph->prev->size > graph->size) | |
4097 | filler = &fillers[LDIAG]; | |
c65a501a JF |
4098 | } |
4099 | ||
4100 | if (graph->prev->size > graph->size) { | |
e937c2c8 JF |
4101 | append_to_rev_graph(graph, filler->separator); |
4102 | if (filler->line != ' ') | |
4103 | append_to_rev_graph(graph, filler->line); | |
2b757533 | 4104 | } |
b5d8f208 JF |
4105 | } |
4106 | ||
61eed810 JF |
4107 | /* Prepare the next rev graph */ |
4108 | static void | |
4109 | prepare_rev_graph(struct rev_graph *graph) | |
b5d8f208 | 4110 | { |
b5d8f208 JF |
4111 | size_t i; |
4112 | ||
320df4ea | 4113 | /* First, traverse all lines of revisions up to the active one. */ |
c65a501a JF |
4114 | for (graph->pos = 0; graph->pos < graph->size; graph->pos++) { |
4115 | if (!strcmp(graph->rev[graph->pos], graph->commit->id)) | |
b5d8f208 | 4116 | break; |
b5d8f208 | 4117 | |
2ce5c87c | 4118 | push_rev_graph(graph->next, graph->rev[graph->pos]); |
b5d8f208 JF |
4119 | } |
4120 | ||
320df4ea | 4121 | /* Interleave the new revision parent(s). */ |
e81e9c2c | 4122 | for (i = 0; !graph->boundary && i < graph->parents->size; i++) |
2ce5c87c | 4123 | push_rev_graph(graph->next, graph->parents->rev[i]); |
b5d8f208 | 4124 | |
320df4ea | 4125 | /* Lastly, put any remaining revisions. */ |
c65a501a | 4126 | for (i = graph->pos + 1; i < graph->size; i++) |
2ce5c87c | 4127 | push_rev_graph(graph->next, graph->rev[i]); |
61eed810 JF |
4128 | } |
4129 | ||
4130 | static void | |
4131 | update_rev_graph(struct rev_graph *graph) | |
4132 | { | |
446a5c36 JF |
4133 | /* If this is the finalizing update ... */ |
4134 | if (graph->commit) | |
4135 | prepare_rev_graph(graph); | |
4136 | ||
4137 | /* Graph visualization needs a one rev look-ahead, | |
4138 | * so the first update doesn't visualize anything. */ | |
4139 | if (!graph->prev->commit) | |
4140 | return; | |
c65a501a | 4141 | |
61eed810 JF |
4142 | draw_rev_graph(graph->prev); |
4143 | done_rev_graph(graph->prev->prev); | |
2b757533 JF |
4144 | } |
4145 | ||
ccc33449 JF |
4146 | |
4147 | /* | |
4148 | * Main view backend | |
4149 | */ | |
4150 | ||
4151 | static bool | |
4152 | main_draw(struct view *view, struct line *line, unsigned int lineno, bool selected) | |
4153 | { | |
4154 | char buf[DATE_COLS + 1]; | |
4155 | struct commit *commit = line->data; | |
4156 | enum line_type type; | |
4157 | int col = 0; | |
4158 | size_t timelen; | |
1c919d68 DV |
4159 | int tilde_attr; |
4160 | int space; | |
ccc33449 JF |
4161 | |
4162 | if (!*commit->author) | |
4163 | return FALSE; | |
4164 | ||
1c919d68 | 4165 | space = view->width; |
ccc33449 JF |
4166 | wmove(view->win, lineno, col); |
4167 | ||
4168 | if (selected) { | |
4169 | type = LINE_CURSOR; | |
4170 | wattrset(view->win, get_line_attr(type)); | |
4171 | wchgat(view->win, -1, 0, type, NULL); | |
1c919d68 | 4172 | tilde_attr = -1; |
ccc33449 JF |
4173 | } else { |
4174 | type = LINE_MAIN_COMMIT; | |
4175 | wattrset(view->win, get_line_attr(LINE_MAIN_DATE)); | |
1c919d68 | 4176 | tilde_attr = get_line_attr(LINE_MAIN_DELIM); |
ccc33449 JF |
4177 | } |
4178 | ||
1c919d68 DV |
4179 | { |
4180 | int n; | |
ccc33449 | 4181 | |
1c919d68 DV |
4182 | timelen = strftime(buf, sizeof(buf), DATE_FORMAT, &commit->time); |
4183 | n = draw_text( | |
4184 | view, buf, view->width - col, col, FALSE, tilde_attr); | |
4185 | draw_text( | |
4186 | view, " ", view->width - col - n, col + n, FALSE, | |
4187 | tilde_attr); | |
ccc33449 | 4188 | |
1c919d68 DV |
4189 | col += DATE_COLS; |
4190 | wmove(view->win, lineno, col); | |
4191 | if (col >= view->width) | |
4192 | return TRUE; | |
ccc33449 | 4193 | } |
1c919d68 DV |
4194 | if (type != LINE_CURSOR) |
4195 | wattrset(view->win, get_line_attr(LINE_MAIN_AUTHOR)); | |
ccc33449 | 4196 | |
1c919d68 DV |
4197 | { |
4198 | int max_len; | |
4199 | ||
4200 | max_len = view->width - col; | |
4201 | if (max_len > AUTHOR_COLS - 1) | |
4202 | max_len = AUTHOR_COLS - 1; | |
4203 | draw_text( | |
4204 | view, commit->author, max_len, col, TRUE, tilde_attr); | |
4205 | col += AUTHOR_COLS; | |
4206 | if (col >= view->width) | |
4207 | return TRUE; | |
ccc33449 JF |
4208 | } |
4209 | ||
ccc33449 | 4210 | if (opt_rev_graph && commit->graph_size) { |
749cdc92 | 4211 | size_t graph_size = view->width - col; |
ccc33449 JF |
4212 | size_t i; |
4213 | ||
f83b1c33 DV |
4214 | if (type != LINE_CURSOR) |
4215 | wattrset(view->win, get_line_attr(LINE_MAIN_REVGRAPH)); | |
ccc33449 | 4216 | wmove(view->win, lineno, col); |
749cdc92 JF |
4217 | if (graph_size > commit->graph_size) |
4218 | graph_size = commit->graph_size; | |
ccc33449 JF |
4219 | /* Using waddch() instead of waddnstr() ensures that |
4220 | * they'll be rendered correctly for the cursor line. */ | |
749cdc92 | 4221 | for (i = 0; i < graph_size; i++) |
ccc33449 JF |
4222 | waddch(view->win, commit->graph[i]); |
4223 | ||
4224 | col += commit->graph_size + 1; | |
1c919d68 DV |
4225 | if (col >= view->width) |
4226 | return TRUE; | |
749cdc92 | 4227 | waddch(view->win, ' '); |
ccc33449 | 4228 | } |
f83b1c33 DV |
4229 | if (type != LINE_CURSOR) |
4230 | wattrset(view->win, A_NORMAL); | |
ccc33449 JF |
4231 | |
4232 | wmove(view->win, lineno, col); | |
4233 | ||
4234 | if (commit->refs) { | |
4235 | size_t i = 0; | |
4236 | ||
4237 | do { | |
4238 | if (type == LINE_CURSOR) | |
4239 | ; | |
4240 | else if (commit->refs[i]->tag) | |
4241 | wattrset(view->win, get_line_attr(LINE_MAIN_TAG)); | |
e15ec88e JF |
4242 | else if (commit->refs[i]->remote) |
4243 | wattrset(view->win, get_line_attr(LINE_MAIN_REMOTE)); | |
ccc33449 JF |
4244 | else |
4245 | wattrset(view->win, get_line_attr(LINE_MAIN_REF)); | |
1c919d68 DV |
4246 | |
4247 | col += draw_text( | |
4248 | view, "[", view->width - col, col, TRUE, | |
4249 | tilde_attr); | |
4250 | col += draw_text( | |
4251 | view, commit->refs[i]->name, view->width - col, | |
4252 | col, TRUE, tilde_attr); | |
4253 | col += draw_text( | |
4254 | view, "]", view->width - col, col, TRUE, | |
4255 | tilde_attr); | |
ccc33449 JF |
4256 | if (type != LINE_CURSOR) |
4257 | wattrset(view->win, A_NORMAL); | |
1c919d68 DV |
4258 | col += draw_text( |
4259 | view, " ", view->width - col, col, TRUE, | |
4260 | tilde_attr); | |
4261 | if (col >= view->width) | |
4262 | return TRUE; | |
ccc33449 JF |
4263 | } while (commit->refs[i++]->next); |
4264 | } | |
4265 | ||
4266 | if (type != LINE_CURSOR) | |
4267 | wattrset(view->win, get_line_attr(type)); | |
4268 | ||
1c919d68 DV |
4269 | col += draw_text( |
4270 | view, commit->title, view->width - col, col, TRUE, tilde_attr); | |
ccc33449 JF |
4271 | |
4272 | return TRUE; | |
4273 | } | |
4274 | ||
4c6fabc2 | 4275 | /* Reads git log --pretty=raw output and parses it into the commit struct. */ |
6b161b31 | 4276 | static bool |
701e4f5d | 4277 | main_read(struct view *view, char *line) |
22f66b0a | 4278 | { |
2ce5c87c | 4279 | static struct rev_graph *graph = graph_stacks; |
be04d936 | 4280 | enum line_type type; |
0ff3b97c | 4281 | struct commit *commit; |
22f66b0a | 4282 | |
be04d936 | 4283 | if (!line) { |
446a5c36 | 4284 | update_rev_graph(graph); |
be04d936 JF |
4285 | return TRUE; |
4286 | } | |
4287 | ||
4288 | type = get_line_type(line); | |
0ff3b97c | 4289 | if (type == LINE_COMMIT) { |
22f66b0a JF |
4290 | commit = calloc(1, sizeof(struct commit)); |
4291 | if (!commit) | |
4292 | return FALSE; | |
4293 | ||
e81e9c2c JF |
4294 | line += STRING_SIZE("commit "); |
4295 | if (*line == '-') { | |
4296 | graph->boundary = 1; | |
4297 | line++; | |
4298 | } | |
4299 | ||
4300 | string_copy_rev(commit->id, line); | |
c34d9c9f | 4301 | commit->refs = get_refs(commit->id); |
c65a501a | 4302 | graph->commit = commit; |
e314c36d | 4303 | add_line_data(view, commit, LINE_MAIN_COMMIT); |
0ff3b97c JF |
4304 | return TRUE; |
4305 | } | |
2b757533 | 4306 | |
0ff3b97c JF |
4307 | if (!view->lines) |
4308 | return TRUE; | |
4309 | commit = view->line[view->lines - 1].data; | |
4310 | ||
4311 | switch (type) { | |
2b757533 | 4312 | case LINE_PARENT: |
0ff3b97c | 4313 | push_rev_graph(graph->parents, line + STRING_SIZE("parent ")); |
78c70acd | 4314 | break; |
22f66b0a | 4315 | |
8855ada4 | 4316 | case LINE_AUTHOR: |
b76c2afc | 4317 | { |
19c3ac60 JF |
4318 | /* Parse author lines where the name may be empty: |
4319 | * author <email@address.tld> 1138474660 +0100 | |
4320 | */ | |
4c6fabc2 | 4321 | char *ident = line + STRING_SIZE("author "); |
19c3ac60 JF |
4322 | char *nameend = strchr(ident, '<'); |
4323 | char *emailend = strchr(ident, '>'); | |
b76c2afc | 4324 | |
0ff3b97c | 4325 | if (!nameend || !emailend) |
fe7233c3 JF |
4326 | break; |
4327 | ||
c65a501a JF |
4328 | update_rev_graph(graph); |
4329 | graph = graph->next; | |
2b757533 | 4330 | |
19c3ac60 JF |
4331 | *nameend = *emailend = 0; |
4332 | ident = chomp_string(ident); | |
4333 | if (!*ident) { | |
4334 | ident = chomp_string(nameend + 1); | |
4335 | if (!*ident) | |
4336 | ident = "Unknown"; | |
b76c2afc JF |
4337 | } |
4338 | ||
739e81de | 4339 | string_ncopy(commit->author, ident, strlen(ident)); |
b76c2afc | 4340 | |
4c6fabc2 | 4341 | /* Parse epoch and timezone */ |
19c3ac60 JF |
4342 | if (emailend[1] == ' ') { |
4343 | char *secs = emailend + 2; | |
4344 | char *zone = strchr(secs, ' '); | |
4345 | time_t time = (time_t) atol(secs); | |
b76c2afc | 4346 | |
4c6fabc2 | 4347 | if (zone && strlen(zone) == STRING_SIZE(" +0700")) { |
b76c2afc JF |
4348 | long tz; |
4349 | ||
4350 | zone++; | |
4351 | tz = ('0' - zone[1]) * 60 * 60 * 10; | |
4352 | tz += ('0' - zone[2]) * 60 * 60; | |
4353 | tz += ('0' - zone[3]) * 60; | |
4354 | tz += ('0' - zone[4]) * 60; | |
4355 | ||
4356 | if (zone[0] == '-') | |
4357 | tz = -tz; | |
4358 | ||
4359 | time -= tz; | |
4360 | } | |
19c3ac60 | 4361 | |
b76c2afc JF |
4362 | gmtime_r(&time, &commit->time); |
4363 | } | |
4364 | break; | |
4365 | } | |
78c70acd | 4366 | default: |
2e8488b4 | 4367 | /* Fill in the commit title if it has not already been set. */ |
2e8488b4 JF |
4368 | if (commit->title[0]) |
4369 | break; | |
4370 | ||
4371 | /* Require titles to start with a non-space character at the | |
4372 | * offset used by git log. */ | |
9073c64a JF |
4373 | if (strncmp(line, " ", 4)) |
4374 | break; | |
4375 | line += 4; | |
4376 | /* Well, if the title starts with a whitespace character, | |
4377 | * try to be forgiving. Otherwise we end up with no title. */ | |
4378 | while (isspace(*line)) | |
4379 | line++; | |
4380 | if (*line == '\0') | |
82e78006 | 4381 | break; |
9073c64a JF |
4382 | /* FIXME: More graceful handling of titles; append "..." to |
4383 | * shortened titles, etc. */ | |
82e78006 | 4384 | |
739e81de | 4385 | string_ncopy(commit->title, line, strlen(line)); |
22f66b0a JF |
4386 | } |
4387 | ||
4388 | return TRUE; | |
4389 | } | |
4390 | ||
586c423d JF |
4391 | static enum request |
4392 | main_request(struct view *view, enum request request, struct line *line) | |
b801d8b2 | 4393 | { |
b3a54cba JF |
4394 | enum open_flags flags = display[0] == view ? OPEN_SPLIT : OPEN_DEFAULT; |
4395 | ||
586c423d JF |
4396 | if (request == REQ_ENTER) |
4397 | open_view(view, REQ_VIEW_DIFF, flags); | |
4398 | else | |
4399 | return request; | |
4400 | ||
4401 | return REQ_NONE; | |
b801d8b2 JF |
4402 | } |
4403 | ||
4af34daa JF |
4404 | static bool |
4405 | main_grep(struct view *view, struct line *line) | |
4406 | { | |
4407 | struct commit *commit = line->data; | |
4408 | enum { S_TITLE, S_AUTHOR, S_DATE, S_END } state; | |
4409 | char buf[DATE_COLS + 1]; | |
4410 | regmatch_t pmatch; | |
4411 | ||
4412 | for (state = S_TITLE; state < S_END; state++) { | |
4413 | char *text; | |
4414 | ||
4415 | switch (state) { | |
4416 | case S_TITLE: text = commit->title; break; | |
4417 | case S_AUTHOR: text = commit->author; break; | |
4418 | case S_DATE: | |
4419 | if (!strftime(buf, sizeof(buf), DATE_FORMAT, &commit->time)) | |
4420 | continue; | |
4421 | text = buf; | |
4422 | break; | |
4423 | ||
4424 | default: | |
4425 | return FALSE; | |
4426 | } | |
4427 | ||
b77b2cb8 | 4428 | if (regexec(view->regex, text, 1, &pmatch, 0) != REG_NOMATCH) |
4af34daa JF |
4429 | return TRUE; |
4430 | } | |
4431 | ||
4432 | return FALSE; | |
4433 | } | |
4434 | ||
d720de4b JF |
4435 | static void |
4436 | main_select(struct view *view, struct line *line) | |
4437 | { | |
4438 | struct commit *commit = line->data; | |
4439 | ||
2463b4ea JF |
4440 | string_copy_rev(view->ref, commit->id); |
4441 | string_copy_rev(ref_commit, view->ref); | |
d720de4b JF |
4442 | } |
4443 | ||
6b161b31 | 4444 | static struct view_ops main_ops = { |
6734f6b9 | 4445 | "commit", |
f098944b | 4446 | NULL, |
6b161b31 | 4447 | main_read, |
f098944b | 4448 | main_draw, |
586c423d | 4449 | main_request, |
4af34daa | 4450 | main_grep, |
d720de4b | 4451 | main_select, |
6b161b31 | 4452 | }; |
2e8488b4 | 4453 | |
c34d9c9f | 4454 | |
6b161b31 | 4455 | /* |
10e290ee JF |
4456 | * Unicode / UTF-8 handling |
4457 | * | |
4458 | * NOTE: Much of the following code for dealing with unicode is derived from | |
4459 | * ELinks' UTF-8 code developed by Scrool <scroolik@gmail.com>. Origin file is | |
4460 | * src/intl/charset.c from the utf8 branch commit elinks-0.11.0-g31f2c28. | |
4461 | */ | |
4462 | ||
4463 | /* I've (over)annotated a lot of code snippets because I am not entirely | |
4464 | * confident that the approach taken by this small UTF-8 interface is correct. | |
4465 | * --jonas */ | |
4466 | ||
4467 | static inline int | |
4468 | unicode_width(unsigned long c) | |
4469 | { | |
4470 | if (c >= 0x1100 && | |
4471 | (c <= 0x115f /* Hangul Jamo */ | |
4472 | || c == 0x2329 | |
4473 | || c == 0x232a | |
4474 | || (c >= 0x2e80 && c <= 0xa4cf && c != 0x303f) | |
f97f4012 | 4475 | /* CJK ... Yi */ |
10e290ee JF |
4476 | || (c >= 0xac00 && c <= 0xd7a3) /* Hangul Syllables */ |
4477 | || (c >= 0xf900 && c <= 0xfaff) /* CJK Compatibility Ideographs */ | |
4478 | || (c >= 0xfe30 && c <= 0xfe6f) /* CJK Compatibility Forms */ | |
4479 | || (c >= 0xff00 && c <= 0xff60) /* Fullwidth Forms */ | |
4480 | || (c >= 0xffe0 && c <= 0xffe6) | |
4481 | || (c >= 0x20000 && c <= 0x2fffd) | |
4482 | || (c >= 0x30000 && c <= 0x3fffd))) | |
4483 | return 2; | |
4484 | ||
749cdc92 JF |
4485 | if (c == '\t') |
4486 | return opt_tab_size; | |
4487 | ||
10e290ee JF |
4488 | return 1; |
4489 | } | |
4490 | ||
4491 | /* Number of bytes used for encoding a UTF-8 character indexed by first byte. | |
4492 | * Illegal bytes are set one. */ | |
4493 | static const unsigned char utf8_bytes[256] = { | |
4494 | 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, | |
4495 | 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, | |
4496 | 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, | |
4497 | 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, | |
4498 | 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, | |
4499 | 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, | |
4500 | 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, | |
4501 | 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, | |
4502 | }; | |
4503 | ||
4504 | /* Decode UTF-8 multi-byte representation into a unicode character. */ | |
4505 | static inline unsigned long | |
4506 | utf8_to_unicode(const char *string, size_t length) | |
4507 | { | |
4508 | unsigned long unicode; | |
4509 | ||
4510 | switch (length) { | |
4511 | case 1: | |
4512 | unicode = string[0]; | |
4513 | break; | |
4514 | case 2: | |
4515 | unicode = (string[0] & 0x1f) << 6; | |
4516 | unicode += (string[1] & 0x3f); | |
4517 | break; | |
4518 | case 3: | |
4519 | unicode = (string[0] & 0x0f) << 12; | |
4520 | unicode += ((string[1] & 0x3f) << 6); | |
4521 | unicode += (string[2] & 0x3f); | |
4522 | break; | |
4523 | case 4: | |
4524 | unicode = (string[0] & 0x0f) << 18; | |
4525 | unicode += ((string[1] & 0x3f) << 12); | |
4526 | unicode += ((string[2] & 0x3f) << 6); | |
4527 | unicode += (string[3] & 0x3f); | |
4528 | break; | |
4529 | case 5: | |
4530 | unicode = (string[0] & 0x0f) << 24; | |
4531 | unicode += ((string[1] & 0x3f) << 18); | |
4532 | unicode += ((string[2] & 0x3f) << 12); | |
4533 | unicode += ((string[3] & 0x3f) << 6); | |
4534 | unicode += (string[4] & 0x3f); | |
4535 | break; | |
68b6e0eb | 4536 | case 6: |
10e290ee JF |
4537 | unicode = (string[0] & 0x01) << 30; |
4538 | unicode += ((string[1] & 0x3f) << 24); | |
4539 | unicode += ((string[2] & 0x3f) << 18); | |
4540 | unicode += ((string[3] & 0x3f) << 12); | |
4541 | unicode += ((string[4] & 0x3f) << 6); | |
4542 | unicode += (string[5] & 0x3f); | |
4543 | break; | |
4544 | default: | |
4545 | die("Invalid unicode length"); | |
4546 | } | |
4547 | ||
4548 | /* Invalid characters could return the special 0xfffd value but NUL | |
4549 | * should be just as good. */ | |
4550 | return unicode > 0xffff ? 0 : unicode; | |
4551 | } | |
4552 | ||
4553 | /* Calculates how much of string can be shown within the given maximum width | |
4554 | * and sets trimmed parameter to non-zero value if all of string could not be | |
012e76e9 JF |
4555 | * shown. If the reserve flag is TRUE, it will reserve at least one |
4556 | * trailing character, which can be useful when drawing a delimiter. | |
10e290ee JF |
4557 | * |
4558 | * Returns the number of bytes to output from string to satisfy max_width. */ | |
4559 | static size_t | |
012e76e9 | 4560 | utf8_length(const char *string, size_t max_width, int *trimmed, bool reserve) |
10e290ee JF |
4561 | { |
4562 | const char *start = string; | |
4563 | const char *end = strchr(string, '\0'); | |
012e76e9 | 4564 | unsigned char last_bytes = 0; |
10e290ee JF |
4565 | size_t width = 0; |
4566 | ||
4567 | *trimmed = 0; | |
4568 | ||
4569 | while (string < end) { | |
4570 | int c = *(unsigned char *) string; | |
4571 | unsigned char bytes = utf8_bytes[c]; | |
4572 | size_t ucwidth; | |
4573 | unsigned long unicode; | |
4574 | ||
4575 | if (string + bytes > end) | |
4576 | break; | |
4577 | ||
4578 | /* Change representation to figure out whether | |
4579 | * it is a single- or double-width character. */ | |
4580 | ||
4581 | unicode = utf8_to_unicode(string, bytes); | |
4582 | /* FIXME: Graceful handling of invalid unicode character. */ | |
4583 | if (!unicode) | |
4584 | break; | |
4585 | ||
4586 | ucwidth = unicode_width(unicode); | |
4587 | width += ucwidth; | |
4588 | if (width > max_width) { | |
4589 | *trimmed = 1; | |
012e76e9 JF |
4590 | if (reserve && width - ucwidth == max_width) { |
4591 | string -= last_bytes; | |
4592 | } | |
10e290ee JF |
4593 | break; |
4594 | } | |
4595 | ||
10e290ee | 4596 | string += bytes; |
012e76e9 | 4597 | last_bytes = bytes; |
10e290ee JF |
4598 | } |
4599 | ||
10e290ee JF |
4600 | return string - start; |
4601 | } | |
4602 | ||
4603 | ||
4604 | /* | |
6b161b31 JF |
4605 | * Status management |
4606 | */ | |
2e8488b4 | 4607 | |
8855ada4 | 4608 | /* Whether or not the curses interface has been initialized. */ |
68b6e0eb | 4609 | static bool cursed = FALSE; |
8855ada4 | 4610 | |
6b161b31 JF |
4611 | /* The status window is used for polling keystrokes. */ |
4612 | static WINDOW *status_win; | |
4a2909a7 | 4613 | |
21be28fb JF |
4614 | static bool status_empty = TRUE; |
4615 | ||
2e8488b4 | 4616 | /* Update status and title window. */ |
4a2909a7 JF |
4617 | static void |
4618 | report(const char *msg, ...) | |
4619 | { | |
6706b2ba | 4620 | struct view *view = display[current_view]; |
b76c2afc | 4621 | |
ab4af23e JF |
4622 | if (input_mode) |
4623 | return; | |
4624 | ||
c38c64bb JF |
4625 | if (!view) { |
4626 | char buf[SIZEOF_STR]; | |
4627 | va_list args; | |
4628 | ||
4629 | va_start(args, msg); | |
4630 | if (vsnprintf(buf, sizeof(buf), msg, args) >= sizeof(buf)) { | |
4631 | buf[sizeof(buf) - 1] = 0; | |
4632 | buf[sizeof(buf) - 2] = '.'; | |
4633 | buf[sizeof(buf) - 3] = '.'; | |
4634 | buf[sizeof(buf) - 4] = '.'; | |
4635 | } | |
4636 | va_end(args); | |
4637 | die("%s", buf); | |
4638 | } | |
4639 | ||
21be28fb | 4640 | if (!status_empty || *msg) { |
6706b2ba | 4641 | va_list args; |
4a2909a7 | 4642 | |
6706b2ba | 4643 | va_start(args, msg); |
4b76734f | 4644 | |
6706b2ba JF |
4645 | wmove(status_win, 0, 0); |
4646 | if (*msg) { | |
4647 | vwprintw(status_win, msg, args); | |
21be28fb | 4648 | status_empty = FALSE; |
6706b2ba | 4649 | } else { |
21be28fb | 4650 | status_empty = TRUE; |
6706b2ba | 4651 | } |
390a8262 | 4652 | wclrtoeol(status_win); |
6706b2ba | 4653 | wrefresh(status_win); |
b801d8b2 | 4654 | |
6706b2ba JF |
4655 | va_end(args); |
4656 | } | |
4657 | ||
4658 | update_view_title(view); | |
2bee3bde | 4659 | update_display_cursor(view); |
b801d8b2 JF |
4660 | } |
4661 | ||
6b161b31 JF |
4662 | /* Controls when nodelay should be in effect when polling user input. */ |
4663 | static void | |
1ba2ae4b | 4664 | set_nonblocking_input(bool loading) |
b801d8b2 | 4665 | { |
6706b2ba | 4666 | static unsigned int loading_views; |
b801d8b2 | 4667 | |
6706b2ba JF |
4668 | if ((loading == FALSE && loading_views-- == 1) || |
4669 | (loading == TRUE && loading_views++ == 0)) | |
1ba2ae4b | 4670 | nodelay(status_win, loading); |
6b161b31 JF |
4671 | } |
4672 | ||
4673 | static void | |
4674 | init_display(void) | |
4675 | { | |
4676 | int x, y; | |
b76c2afc | 4677 | |
6908bdbd JF |
4678 | /* Initialize the curses library */ |
4679 | if (isatty(STDIN_FILENO)) { | |
8855ada4 | 4680 | cursed = !!initscr(); |
6908bdbd JF |
4681 | } else { |
4682 | /* Leave stdin and stdout alone when acting as a pager. */ | |
4683 | FILE *io = fopen("/dev/tty", "r+"); | |
4684 | ||
e6f60674 JF |
4685 | if (!io) |
4686 | die("Failed to open /dev/tty"); | |
8855ada4 | 4687 | cursed = !!newterm(NULL, io, io); |
6908bdbd JF |
4688 | } |
4689 | ||
8855ada4 JF |
4690 | if (!cursed) |
4691 | die("Failed to initialize curses"); | |
4692 | ||
2e8488b4 JF |
4693 | nonl(); /* Tell curses not to do NL->CR/NL on output */ |
4694 | cbreak(); /* Take input chars one at a time, no wait for \n */ | |
4695 | noecho(); /* Don't echo input */ | |
b801d8b2 | 4696 | leaveok(stdscr, TRUE); |
b801d8b2 JF |
4697 | |
4698 | if (has_colors()) | |
4699 | init_colors(); | |
4700 | ||
4701 | getmaxyx(stdscr, y, x); | |
4702 | status_win = newwin(1, 0, y - 1, 0); | |
4703 | if (!status_win) | |
4704 | die("Failed to create status window"); | |
4705 | ||
4706 | /* Enable keyboard mapping */ | |
4707 | keypad(status_win, TRUE); | |
78c70acd | 4708 | wbkgdset(status_win, get_line_attr(LINE_STATUS)); |
6b161b31 JF |
4709 | } |
4710 | ||
4af34daa | 4711 | static char * |
cb9e48c1 | 4712 | read_prompt(const char *prompt) |
ef5404a4 JF |
4713 | { |
4714 | enum { READING, STOP, CANCEL } status = READING; | |
9e21ce5c | 4715 | static char buf[sizeof(opt_cmd) - STRING_SIZE("git \0")]; |
ef5404a4 JF |
4716 | int pos = 0; |
4717 | ||
4718 | while (status == READING) { | |
4719 | struct view *view; | |
4720 | int i, key; | |
4721 | ||
ab4af23e JF |
4722 | input_mode = TRUE; |
4723 | ||
699ae55b | 4724 | foreach_view (view, i) |
ef5404a4 JF |
4725 | update_view(view); |
4726 | ||
ab4af23e JF |
4727 | input_mode = FALSE; |
4728 | ||
4729 | mvwprintw(status_win, 0, 0, "%s%.*s", prompt, pos, buf); | |
4730 | wclrtoeol(status_win); | |
4731 | ||
ef5404a4 JF |
4732 | /* Refresh, accept single keystroke of input */ |
4733 | key = wgetch(status_win); | |
4734 | switch (key) { | |
4735 | case KEY_RETURN: | |
4736 | case KEY_ENTER: | |
4737 | case '\n': | |
4738 | status = pos ? STOP : CANCEL; | |
4739 | break; | |
4740 | ||
4741 | case KEY_BACKSPACE: | |
4742 | if (pos > 0) | |
4743 | pos--; | |
4744 | else | |
4745 | status = CANCEL; | |
4746 | break; | |
4747 | ||
4748 | case KEY_ESC: | |
4749 | status = CANCEL; | |
4750 | break; | |
4751 | ||
4752 | case ERR: | |
4753 | break; | |
4754 | ||
4755 | default: | |
4756 | if (pos >= sizeof(buf)) { | |
4757 | report("Input string too long"); | |
9e21ce5c | 4758 | return NULL; |
ef5404a4 JF |
4759 | } |
4760 | ||
4761 | if (isprint(key)) | |
4762 | buf[pos++] = (char) key; | |
4763 | } | |
4764 | } | |
4765 | ||
7a06ebdf JF |
4766 | /* Clear the status window */ |
4767 | status_empty = FALSE; | |
4768 | report(""); | |
4769 | ||
4770 | if (status == CANCEL) | |
9e21ce5c | 4771 | return NULL; |
ef5404a4 JF |
4772 | |
4773 | buf[pos++] = 0; | |
ef5404a4 | 4774 | |
9e21ce5c | 4775 | return buf; |
ef5404a4 | 4776 | } |
c34d9c9f JF |
4777 | |
4778 | /* | |
4779 | * Repository references | |
4780 | */ | |
4781 | ||
4782 | static struct ref *refs; | |
3a91b75e | 4783 | static size_t refs_size; |
c34d9c9f | 4784 | |
1307df1a JF |
4785 | /* Id <-> ref store */ |
4786 | static struct ref ***id_refs; | |
4787 | static size_t id_refs_size; | |
4788 | ||
c34d9c9f JF |
4789 | static struct ref ** |
4790 | get_refs(char *id) | |
4791 | { | |
1307df1a JF |
4792 | struct ref ***tmp_id_refs; |
4793 | struct ref **ref_list = NULL; | |
4794 | size_t ref_list_size = 0; | |
c34d9c9f JF |
4795 | size_t i; |
4796 | ||
1307df1a JF |
4797 | for (i = 0; i < id_refs_size; i++) |
4798 | if (!strcmp(id, id_refs[i][0]->id)) | |
4799 | return id_refs[i]; | |
4800 | ||
4801 | tmp_id_refs = realloc(id_refs, (id_refs_size + 1) * sizeof(*id_refs)); | |
4802 | if (!tmp_id_refs) | |
4803 | return NULL; | |
4804 | ||
4805 | id_refs = tmp_id_refs; | |
4806 | ||
c34d9c9f JF |
4807 | for (i = 0; i < refs_size; i++) { |
4808 | struct ref **tmp; | |
4809 | ||
4810 | if (strcmp(id, refs[i].id)) | |
4811 | continue; | |
4812 | ||
1307df1a | 4813 | tmp = realloc(ref_list, (ref_list_size + 1) * sizeof(*ref_list)); |
c34d9c9f | 4814 | if (!tmp) { |
1307df1a JF |
4815 | if (ref_list) |
4816 | free(ref_list); | |
c34d9c9f JF |
4817 | return NULL; |
4818 | } | |
4819 | ||
1307df1a JF |
4820 | ref_list = tmp; |
4821 | if (ref_list_size > 0) | |
4822 | ref_list[ref_list_size - 1]->next = 1; | |
4823 | ref_list[ref_list_size] = &refs[i]; | |
3af8774e JF |
4824 | |
4825 | /* XXX: The properties of the commit chains ensures that we can | |
4826 | * safely modify the shared ref. The repo references will | |
4827 | * always be similar for the same id. */ | |
1307df1a JF |
4828 | ref_list[ref_list_size]->next = 0; |
4829 | ref_list_size++; | |
c34d9c9f JF |
4830 | } |
4831 | ||
1307df1a JF |
4832 | if (ref_list) |
4833 | id_refs[id_refs_size++] = ref_list; | |
4834 | ||
4835 | return ref_list; | |
c34d9c9f JF |
4836 | } |
4837 | ||
4838 | static int | |
5699e0cf | 4839 | read_ref(char *id, size_t idlen, char *name, size_t namelen) |
c34d9c9f | 4840 | { |
d0cea5f9 JF |
4841 | struct ref *ref; |
4842 | bool tag = FALSE; | |
e15ec88e | 4843 | bool remote = FALSE; |
d0cea5f9 | 4844 | |
8b0297ae JF |
4845 | if (!strncmp(name, "refs/tags/", STRING_SIZE("refs/tags/"))) { |
4846 | /* Commits referenced by tags has "^{}" appended. */ | |
4847 | if (name[namelen - 1] != '}') | |
4848 | return OK; | |
4849 | ||
d0cea5f9 JF |
4850 | while (namelen > 0 && name[namelen] != '^') |
4851 | namelen--; | |
c34d9c9f | 4852 | |
d0cea5f9 | 4853 | tag = TRUE; |
8b0297ae JF |
4854 | namelen -= STRING_SIZE("refs/tags/"); |
4855 | name += STRING_SIZE("refs/tags/"); | |
c34d9c9f | 4856 | |
e15ec88e JF |
4857 | } else if (!strncmp(name, "refs/remotes/", STRING_SIZE("refs/remotes/"))) { |
4858 | remote = TRUE; | |
4859 | namelen -= STRING_SIZE("refs/remotes/"); | |
4860 | name += STRING_SIZE("refs/remotes/"); | |
4861 | ||
d0cea5f9 | 4862 | } else if (!strncmp(name, "refs/heads/", STRING_SIZE("refs/heads/"))) { |
8b0297ae JF |
4863 | namelen -= STRING_SIZE("refs/heads/"); |
4864 | name += STRING_SIZE("refs/heads/"); | |
c34d9c9f | 4865 | |
d0cea5f9 JF |
4866 | } else if (!strcmp(name, "HEAD")) { |
4867 | return OK; | |
4868 | } | |
6706b2ba | 4869 | |
d0cea5f9 JF |
4870 | refs = realloc(refs, sizeof(*refs) * (refs_size + 1)); |
4871 | if (!refs) | |
4872 | return ERR; | |
c34d9c9f | 4873 | |
d0cea5f9 | 4874 | ref = &refs[refs_size++]; |
8b0297ae | 4875 | ref->name = malloc(namelen + 1); |
d0cea5f9 JF |
4876 | if (!ref->name) |
4877 | return ERR; | |
3af8774e | 4878 | |
8b0297ae JF |
4879 | strncpy(ref->name, name, namelen); |
4880 | ref->name[namelen] = 0; | |
d0cea5f9 | 4881 | ref->tag = tag; |
e15ec88e | 4882 | ref->remote = remote; |
2463b4ea | 4883 | string_copy_rev(ref->id, id); |
3af8774e | 4884 | |
d0cea5f9 JF |
4885 | return OK; |
4886 | } | |
c34d9c9f | 4887 | |
d0cea5f9 JF |
4888 | static int |
4889 | load_refs(void) | |
4890 | { | |
4891 | const char *cmd_env = getenv("TIG_LS_REMOTE"); | |
4892 | const char *cmd = cmd_env && *cmd_env ? cmd_env : TIG_LS_REMOTE; | |
c34d9c9f | 4893 | |
4a63c884 | 4894 | return read_properties(popen(cmd, "r"), "\t", read_ref); |
d0cea5f9 | 4895 | } |
c34d9c9f | 4896 | |
d0cea5f9 | 4897 | static int |
5699e0cf | 4898 | read_repo_config_option(char *name, size_t namelen, char *value, size_t valuelen) |
d0cea5f9 | 4899 | { |
22913179 | 4900 | if (!strcmp(name, "i18n.commitencoding")) |
739e81de | 4901 | string_ncopy(opt_encoding, value, valuelen); |
c34d9c9f | 4902 | |
0cea0d43 JF |
4903 | if (!strcmp(name, "core.editor")) |
4904 | string_ncopy(opt_editor, value, valuelen); | |
4905 | ||
c34d9c9f JF |
4906 | return OK; |
4907 | } | |
4908 | ||
4670cf89 | 4909 | static int |
14c778a6 | 4910 | load_repo_config(void) |
4670cf89 | 4911 | { |
96e58f5b | 4912 | return read_properties(popen(GIT_CONFIG " --list", "r"), |
14c778a6 | 4913 | "=", read_repo_config_option); |
d0cea5f9 JF |
4914 | } |
4915 | ||
4916 | static int | |
5699e0cf | 4917 | read_repo_info(char *name, size_t namelen, char *value, size_t valuelen) |
91c5d983 | 4918 | { |
c38c64bb | 4919 | if (!opt_git_dir[0]) { |
810f0078 | 4920 | string_ncopy(opt_git_dir, name, namelen); |
c38c64bb JF |
4921 | |
4922 | } else if (opt_is_inside_work_tree == -1) { | |
4923 | /* This can be 3 different values depending on the | |
4924 | * version of git being used. If git-rev-parse does not | |
4925 | * understand --is-inside-work-tree it will simply echo | |
4926 | * the option else either "true" or "false" is printed. | |
4927 | * Default to true for the unknown case. */ | |
4928 | opt_is_inside_work_tree = strcmp(name, "false") ? TRUE : FALSE; | |
4929 | ||
4930 | } else { | |
739e81de | 4931 | string_ncopy(opt_cdup, name, namelen); |
c38c64bb JF |
4932 | } |
4933 | ||
91c5d983 JF |
4934 | return OK; |
4935 | } | |
4936 | ||
810f0078 JF |
4937 | /* XXX: The line outputted by "--show-cdup" can be empty so the option |
4938 | * must be the last one! */ | |
91c5d983 JF |
4939 | static int |
4940 | load_repo_info(void) | |
4941 | { | |
c38c64bb | 4942 | return read_properties(popen("git rev-parse --git-dir --is-inside-work-tree --show-cdup 2>/dev/null", "r"), |
91c5d983 JF |
4943 | "=", read_repo_info); |
4944 | } | |
4945 | ||
4946 | static int | |
4a63c884 | 4947 | read_properties(FILE *pipe, const char *separators, |
5699e0cf | 4948 | int (*read_property)(char *, size_t, char *, size_t)) |
d0cea5f9 | 4949 | { |
4670cf89 JF |
4950 | char buffer[BUFSIZ]; |
4951 | char *name; | |
d0cea5f9 | 4952 | int state = OK; |
4670cf89 JF |
4953 | |
4954 | if (!pipe) | |
4955 | return ERR; | |
4956 | ||
d0cea5f9 | 4957 | while (state == OK && (name = fgets(buffer, sizeof(buffer), pipe))) { |
4a63c884 JF |
4958 | char *value; |
4959 | size_t namelen; | |
4960 | size_t valuelen; | |
4670cf89 | 4961 | |
4a63c884 JF |
4962 | name = chomp_string(name); |
4963 | namelen = strcspn(name, separators); | |
4964 | ||
4965 | if (name[namelen]) { | |
4966 | name[namelen] = 0; | |
4967 | value = chomp_string(name + namelen + 1); | |
d0cea5f9 | 4968 | valuelen = strlen(value); |
4670cf89 | 4969 | |
d0cea5f9 | 4970 | } else { |
d0cea5f9 JF |
4971 | value = ""; |
4972 | valuelen = 0; | |
4670cf89 | 4973 | } |
d0cea5f9 | 4974 | |
3c3801c2 | 4975 | state = read_property(name, namelen, value, valuelen); |
4670cf89 JF |
4976 | } |
4977 | ||
d0cea5f9 JF |
4978 | if (state != ERR && ferror(pipe)) |
4979 | state = ERR; | |
4670cf89 JF |
4980 | |
4981 | pclose(pipe); | |
4982 | ||
d0cea5f9 | 4983 | return state; |
4670cf89 JF |
4984 | } |
4985 | ||
d0cea5f9 | 4986 | |
6b161b31 JF |
4987 | /* |
4988 | * Main | |
4989 | */ | |
4990 | ||
b5c9e67f | 4991 | static void __NORETURN |
6b161b31 JF |
4992 | quit(int sig) |
4993 | { | |
8855ada4 JF |
4994 | /* XXX: Restore tty modes and let the OS cleanup the rest! */ |
4995 | if (cursed) | |
4996 | endwin(); | |
6b161b31 JF |
4997 | exit(0); |
4998 | } | |
4999 | ||
c6704a4e JF |
5000 | static void __NORETURN |
5001 | die(const char *err, ...) | |
6b161b31 JF |
5002 | { |
5003 | va_list args; | |
5004 | ||
5005 | endwin(); | |
5006 | ||
5007 | va_start(args, err); | |
5008 | fputs("tig: ", stderr); | |
5009 | vfprintf(stderr, err, args); | |
5010 | fputs("\n", stderr); | |
5011 | va_end(args); | |
5012 | ||
5013 | exit(1); | |
5014 | } | |
5015 | ||
77452abc JF |
5016 | static void |
5017 | warn(const char *msg, ...) | |
5018 | { | |
5019 | va_list args; | |
5020 | ||
5021 | va_start(args, msg); | |
5022 | fputs("tig warning: ", stderr); | |
5023 | vfprintf(stderr, msg, args); | |
5024 | fputs("\n", stderr); | |
5025 | va_end(args); | |
5026 | } | |
5027 | ||
6b161b31 JF |
5028 | int |
5029 | main(int argc, char *argv[]) | |
5030 | { | |
1ba2ae4b | 5031 | struct view *view; |
6b161b31 | 5032 | enum request request; |
1ba2ae4b | 5033 | size_t i; |
6b161b31 JF |
5034 | |
5035 | signal(SIGINT, quit); | |
5036 | ||
6b68fd24 | 5037 | if (setlocale(LC_ALL, "")) { |
739e81de JF |
5038 | char *codeset = nl_langinfo(CODESET); |
5039 | ||
5040 | string_ncopy(opt_codeset, codeset, strlen(codeset)); | |
6b68fd24 JF |
5041 | } |
5042 | ||
e0f50df0 JF |
5043 | if (load_repo_info() == ERR) |
5044 | die("Failed to load repo info."); | |
5045 | ||
660e09ad JF |
5046 | if (load_options() == ERR) |
5047 | die("Failed to load user config."); | |
5048 | ||
5049 | /* Load the repo config file so options can be overwritten from | |
739e81de | 5050 | * the command line. */ |
14c778a6 | 5051 | if (load_repo_config() == ERR) |
afdc35b3 | 5052 | die("Failed to load repo config."); |
91c5d983 | 5053 | |
8855ada4 | 5054 | if (!parse_options(argc, argv)) |
6b161b31 JF |
5055 | return 0; |
5056 | ||
58a5e4ea JF |
5057 | /* Require a git repository unless when running in pager mode. */ |
5058 | if (!opt_git_dir[0]) | |
5059 | die("Not a git repository"); | |
5060 | ||
6b68fd24 JF |
5061 | if (*opt_codeset && strcmp(opt_codeset, opt_encoding)) { |
5062 | opt_iconv = iconv_open(opt_codeset, opt_encoding); | |
20f4b4a3 | 5063 | if (opt_iconv == ICONV_NONE) |
6b68fd24 JF |
5064 | die("Failed to initialize character set conversion"); |
5065 | } | |
5066 | ||
c34d9c9f JF |
5067 | if (load_refs() == ERR) |
5068 | die("Failed to load refs."); | |
5069 | ||
1ba2ae4b JF |
5070 | for (i = 0; i < ARRAY_SIZE(views) && (view = &views[i]); i++) |
5071 | view->cmd_env = getenv(view->cmd_env); | |
5072 | ||
6b161b31 JF |
5073 | request = opt_request; |
5074 | ||
5075 | init_display(); | |
b801d8b2 JF |
5076 | |
5077 | while (view_driver(display[current_view], request)) { | |
6b161b31 | 5078 | int key; |
b801d8b2 JF |
5079 | int i; |
5080 | ||
699ae55b | 5081 | foreach_view (view, i) |
6b161b31 | 5082 | update_view(view); |
b801d8b2 JF |
5083 | |
5084 | /* Refresh, accept single keystroke of input */ | |
6b161b31 | 5085 | key = wgetch(status_win); |
04e2b7b2 | 5086 | |
cf4d82e6 JF |
5087 | /* wgetch() with nodelay() enabled returns ERR when there's no |
5088 | * input. */ | |
5089 | if (key == ERR) { | |
5090 | request = REQ_NONE; | |
8b534a13 | 5091 | continue; |
cf4d82e6 | 5092 | } |
04e2b7b2 JF |
5093 | |
5094 | request = get_keybinding(display[current_view]->keymap, key); | |
03a93dbb | 5095 | |
6706b2ba | 5096 | /* Some low-level request handling. This keeps access to |
fac7db6c JF |
5097 | * status_win restricted. */ |
5098 | switch (request) { | |
5099 | case REQ_PROMPT: | |
9e21ce5c JF |
5100 | { |
5101 | char *cmd = read_prompt(":"); | |
5102 | ||
5103 | if (cmd && string_format(opt_cmd, "git %s", cmd)) { | |
5104 | if (strncmp(cmd, "show", 4) && isspace(cmd[4])) { | |
5105 | opt_request = REQ_VIEW_DIFF; | |
5106 | } else { | |
5107 | opt_request = REQ_VIEW_PAGER; | |
5108 | } | |
5109 | break; | |
5110 | } | |
fac7db6c | 5111 | |
1d754561 | 5112 | request = REQ_NONE; |
9e21ce5c JF |
5113 | break; |
5114 | } | |
4af34daa JF |
5115 | case REQ_SEARCH: |
5116 | case REQ_SEARCH_BACK: | |
5117 | { | |
5118 | const char *prompt = request == REQ_SEARCH | |
5119 | ? "/" : "?"; | |
5120 | char *search = read_prompt(prompt); | |
5121 | ||
5122 | if (search) | |
739e81de | 5123 | string_ncopy(opt_search, search, strlen(search)); |
4af34daa JF |
5124 | else |
5125 | request = REQ_NONE; | |
5126 | break; | |
5127 | } | |
fac7db6c JF |
5128 | case REQ_SCREEN_RESIZE: |
5129 | { | |
5130 | int height, width; | |
5131 | ||
5132 | getmaxyx(stdscr, height, width); | |
5133 | ||
5134 | /* Resize the status view and let the view driver take | |
5135 | * care of resizing the displayed views. */ | |
5136 | wresize(status_win, 1, width); | |
5137 | mvwin(status_win, height - 1, 0); | |
5138 | wrefresh(status_win); | |
5139 | break; | |
5140 | } | |
5141 | default: | |
5142 | break; | |
03a93dbb | 5143 | } |
b801d8b2 JF |
5144 | } |
5145 | ||
5146 | quit(0); | |
5147 | ||
5148 | return 0; | |
5149 | } |