ui-log.c (view raw)
1/* ui-log.c: functions for log output
2 *
3 * Copyright (C) 2006 Lars Hjemli
4 *
5 * Licensed under GNU General Public License v2
6 * (see COPYING for full license text)
7 */
8
9#include "cgit.h"
10#include "html.h"
11#include "ui-shared.h"
12#include "vector.h"
13
14int files, add_lines, rem_lines;
15
16/*
17 * The list of available column colors in the commit graph.
18 */
19static const char *column_colors_html[] = {
20 "<span class='column1'>",
21 "<span class='column2'>",
22 "<span class='column3'>",
23 "<span class='column4'>",
24 "<span class='column5'>",
25 "<span class='column6'>",
26 "</span>",
27};
28
29#define COLUMN_COLORS_HTML_MAX (ARRAY_SIZE(column_colors_html) - 1)
30
31static void count_lines(char *line, int size)
32{
33 if (size <= 0)
34 return;
35
36 if (line[0] == '+')
37 add_lines++;
38
39 else if (line[0] == '-')
40 rem_lines++;
41}
42
43static void inspect_files(struct diff_filepair *pair)
44{
45 unsigned long old_size = 0;
46 unsigned long new_size = 0;
47 int binary = 0;
48
49 files++;
50 if (ctx.repo->enable_log_linecount)
51 cgit_diff_files(pair->one->sha1, pair->two->sha1, &old_size,
52 &new_size, &binary, 0, ctx.qry.ignorews,
53 count_lines);
54}
55
56void show_commit_decorations(struct commit *commit)
57{
58 struct name_decoration *deco;
59 static char buf[1024];
60
61 buf[sizeof(buf) - 1] = 0;
62 deco = lookup_decoration(&name_decoration, &commit->object);
63 while (deco) {
64 if (!prefixcmp(deco->name, "refs/heads/")) {
65 strncpy(buf, deco->name + 11, sizeof(buf) - 1);
66 cgit_log_link(buf, NULL, "branch-deco", buf, NULL,
67 ctx.qry.vpath, 0, NULL, NULL,
68 ctx.qry.showmsg);
69 }
70 else if (!prefixcmp(deco->name, "tag: refs/tags/")) {
71 strncpy(buf, deco->name + 15, sizeof(buf) - 1);
72 cgit_tag_link(buf, NULL, "tag-deco", ctx.qry.head, buf);
73 }
74 else if (!prefixcmp(deco->name, "refs/tags/")) {
75 strncpy(buf, deco->name + 10, sizeof(buf) - 1);
76 cgit_tag_link(buf, NULL, "tag-deco", ctx.qry.head, buf);
77 }
78 else if (!prefixcmp(deco->name, "refs/remotes/")) {
79 if (!ctx.repo->enable_remote_branches)
80 goto next;
81 strncpy(buf, deco->name + 13, sizeof(buf) - 1);
82 cgit_log_link(buf, NULL, "remote-deco", NULL,
83 sha1_to_hex(commit->object.sha1),
84 ctx.qry.vpath, 0, NULL, NULL,
85 ctx.qry.showmsg);
86 }
87 else {
88 strncpy(buf, deco->name, sizeof(buf) - 1);
89 cgit_commit_link(buf, NULL, "deco", ctx.qry.head,
90 sha1_to_hex(commit->object.sha1),
91 ctx.qry.vpath, 0);
92 }
93next:
94 deco = deco->next;
95 }
96}
97
98static void print_commit(struct commit *commit, struct rev_info *revs)
99{
100 struct commitinfo *info;
101 int columns = revs->graph ? 4 : 3;
102 struct strbuf graphbuf = STRBUF_INIT;
103 struct strbuf msgbuf = STRBUF_INIT;
104
105 if (ctx.repo->enable_log_filecount)
106 columns++;
107 if (ctx.repo->enable_log_linecount)
108 columns++;
109
110 if (revs->graph) {
111 /* Advance graph until current commit */
112 while (!graph_next_line(revs->graph, &graphbuf)) {
113 /* Print graph segment in otherwise empty table row */
114 html("<tr class='nohover'><td class='commitgraph'>");
115 html(graphbuf.buf);
116 htmlf("</td><td colspan='%d' /></tr>\n", columns);
117 strbuf_setlen(&graphbuf, 0);
118 }
119 /* Current commit's graph segment is now ready in graphbuf */
120 }
121
122 info = cgit_parse_commit(commit);
123 htmlf("<tr%s>", ctx.qry.showmsg ? " class='logheader'" : "");
124
125 if (revs->graph) {
126 /* Print graph segment for current commit */
127 html("<td class='commitgraph'>");
128 html(graphbuf.buf);
129 html("</td>");
130 strbuf_setlen(&graphbuf, 0);
131 }
132 else {
133 html("<td>");
134 cgit_print_age(commit->date, TM_WEEK * 2, FMT_SHORTDATE);
135 html("</td>");
136 }
137
138 htmlf("<td%s>", ctx.qry.showmsg ? " class='logsubject'" : "");
139 if (ctx.qry.showmsg) {
140 /* line-wrap long commit subjects instead of truncating them */
141 size_t subject_len = strlen(info->subject);
142
143 if (subject_len > ctx.cfg.max_msg_len &&
144 ctx.cfg.max_msg_len >= 15) {
145 /* symbol for signaling line-wrap (in PAGE_ENCODING) */
146 const char wrap_symbol[] = { ' ', 0xE2, 0x86, 0xB5, 0 };
147 int i = ctx.cfg.max_msg_len - strlen(wrap_symbol);
148
149 /* Rewind i to preceding space character */
150 while (i > 0 && !isspace(info->subject[i]))
151 --i;
152 if (!i) /* Oops, zero spaces. Reset i */
153 i = ctx.cfg.max_msg_len - strlen(wrap_symbol);
154
155 /* add remainder starting at i to msgbuf */
156 strbuf_add(&msgbuf, info->subject + i, subject_len - i);
157 strbuf_trim(&msgbuf);
158 strbuf_add(&msgbuf, "\n\n", 2);
159
160 /* Place wrap_symbol at position i in info->subject */
161 strcpy(info->subject + i, wrap_symbol);
162 }
163 }
164 cgit_commit_link(info->subject, NULL, NULL, ctx.qry.head,
165 sha1_to_hex(commit->object.sha1), ctx.qry.vpath, 0);
166 show_commit_decorations(commit);
167 html("</td><td>");
168 html_txt(info->author);
169
170 if (revs->graph) {
171 html("</td><td>");
172 cgit_print_age(commit->date, TM_WEEK * 2, FMT_SHORTDATE);
173 }
174
175 if (ctx.repo->enable_log_filecount || ctx.repo->enable_log_linecount) {
176 files = 0;
177 add_lines = 0;
178 rem_lines = 0;
179 cgit_diff_commit(commit, inspect_files, ctx.qry.vpath);
180 }
181
182 if (ctx.repo->enable_log_filecount)
183 htmlf("</td><td>%d", files);
184 if (ctx.repo->enable_log_linecount)
185 htmlf("</td><td>-%d/+%d", rem_lines, add_lines);
186
187 html("</td></tr>\n");
188
189 if (revs->graph || ctx.qry.showmsg) { /* Print a second table row */
190 html("<tr class='nohover'>");
191
192 if (ctx.qry.showmsg) {
193 /* Concatenate commit message + notes in msgbuf */
194 if (info->msg && *(info->msg)) {
195 strbuf_addstr(&msgbuf, info->msg);
196 strbuf_addch(&msgbuf, '\n');
197 }
198 format_display_notes(commit->object.sha1,
199 &msgbuf, PAGE_ENCODING, 0);
200 strbuf_addch(&msgbuf, '\n');
201 strbuf_ltrim(&msgbuf);
202 }
203
204 if (revs->graph) {
205 int lines = 0;
206
207 /* Calculate graph padding */
208 if (ctx.qry.showmsg) {
209 /* Count #lines in commit message + notes */
210 const char *p = msgbuf.buf;
211 lines = 1;
212 while ((p = strchr(p, '\n'))) {
213 p++;
214 lines++;
215 }
216 }
217
218 /* Print graph padding */
219 html("<td class='commitgraph'>");
220 while (lines > 0 || !graph_is_commit_finished(revs->graph)) {
221 if (graphbuf.len)
222 html("\n");
223 strbuf_setlen(&graphbuf, 0);
224 graph_next_line(revs->graph, &graphbuf);
225 html(graphbuf.buf);
226 lines--;
227 }
228 html("</td>\n");
229 }
230 else
231 html("<td/>"); /* Empty 'Age' column */
232
233 /* Print msgbuf into remainder of table row */
234 htmlf("<td colspan='%d'%s>\n", columns - (revs->graph ? 1 : 0),
235 ctx.qry.showmsg ? " class='logmsg'" : "");
236 html_txt(msgbuf.buf);
237 html("</td></tr>\n");
238 }
239
240 strbuf_release(&msgbuf);
241 strbuf_release(&graphbuf);
242 cgit_free_commitinfo(info);
243}
244
245static const char *disambiguate_ref(const char *ref)
246{
247 unsigned char sha1[20];
248 const char *longref;
249
250 longref = fmt("refs/heads/%s", ref);
251 if (get_sha1(longref, sha1) == 0)
252 return longref;
253
254 return ref;
255}
256
257static char *next_token(char **src)
258{
259 char *result;
260
261 if (!src || !*src)
262 return NULL;
263 while (isspace(**src))
264 (*src)++;
265 if (!**src)
266 return NULL;
267 result = *src;
268 while (**src) {
269 if (isspace(**src)) {
270 **src = '\0';
271 (*src)++;
272 break;
273 }
274 (*src)++;
275 }
276 return result;
277}
278
279void cgit_print_log(const char *tip, int ofs, int cnt, char *grep, char *pattern,
280 char *path, int pager, int commit_graph, int commit_sort)
281{
282 struct rev_info rev;
283 struct commit *commit;
284 struct vector vec = VECTOR_INIT(char *);
285 int i, columns = commit_graph ? 4 : 3;
286 char *arg;
287
288 /* First argv is NULL */
289 vector_push(&vec, NULL, 0);
290
291 if (!tip)
292 tip = ctx.qry.head;
293 tip = disambiguate_ref(tip);
294 vector_push(&vec, &tip, 0);
295
296 if (grep && pattern && *pattern) {
297 pattern = xstrdup(pattern);
298 if (!strcmp(grep, "grep") || !strcmp(grep, "author") ||
299 !strcmp(grep, "committer")) {
300 arg = fmt("--%s=%s", grep, pattern);
301 vector_push(&vec, &arg, 0);
302 }
303 if (!strcmp(grep, "range")) {
304 /* Split the pattern at whitespace and add each token
305 * as a revision expression. Do not accept other
306 * rev-list options. Also, replace the previously
307 * pushed tip (it's no longer relevant).
308 */
309 vec.count--;
310 while ((arg = next_token(&pattern))) {
311 if (*arg == '-') {
312 fprintf(stderr, "Bad range expr: %s\n",
313 arg);
314 break;
315 }
316 vector_push(&vec, &arg, 0);
317 }
318 }
319 }
320 if (commit_graph) {
321 static const char *graph_arg = "--graph";
322 static const char *color_arg = "--color";
323 vector_push(&vec, &graph_arg, 0);
324 vector_push(&vec, &color_arg, 0);
325 graph_set_column_colors(column_colors_html,
326 COLUMN_COLORS_HTML_MAX);
327 }
328
329 if (commit_sort == 1) {
330 static const char *date_order_arg = "--date-order";
331 vector_push(&vec, &date_order_arg, 0);
332 } else if (commit_sort == 2) {
333 static const char *topo_order_arg = "--topo-order";
334 vector_push(&vec, &topo_order_arg, 0);
335 }
336
337 if (path) {
338 arg = "--";
339 vector_push(&vec, &arg, 0);
340 vector_push(&vec, &path, 0);
341 }
342
343 /* Make sure the vector is NULL-terminated */
344 vector_push(&vec, NULL, 0);
345 vec.count--;
346
347 init_revisions(&rev, NULL);
348 rev.abbrev = DEFAULT_ABBREV;
349 rev.commit_format = CMIT_FMT_DEFAULT;
350 rev.verbose_header = 1;
351 rev.show_root_diff = 0;
352 setup_revisions(vec.count, vec.data, &rev, NULL);
353 load_ref_decorations(DECORATE_FULL_REFS);
354 rev.show_decorations = 1;
355 rev.grep_filter.regflags |= REG_ICASE;
356 compile_grep_patterns(&rev.grep_filter);
357 prepare_revision_walk(&rev);
358
359 if (pager)
360 html("<table class='list nowrap'>");
361
362 html("<tr class='nohover'>");
363 if (commit_graph)
364 html("<th></th>");
365 else
366 html("<th class='left'>Age</th>");
367 html("<th class='left'>Commit message");
368 if (pager) {
369 html(" (");
370 cgit_log_link(ctx.qry.showmsg ? "Collapse" : "Expand", NULL,
371 NULL, ctx.qry.head, ctx.qry.sha1,
372 ctx.qry.vpath, ctx.qry.ofs, ctx.qry.grep,
373 ctx.qry.search, ctx.qry.showmsg ? 0 : 1);
374 html(")");
375 }
376 html("</th><th class='left'>Author</th>");
377 if (commit_graph)
378 html("<th class='left'>Age</th>");
379 if (ctx.repo->enable_log_filecount) {
380 html("<th class='left'>Files</th>");
381 columns++;
382 }
383 if (ctx.repo->enable_log_linecount) {
384 html("<th class='left'>Lines</th>");
385 columns++;
386 }
387 html("</tr>\n");
388
389 if (ofs<0)
390 ofs = 0;
391
392 for (i = 0; i < ofs && (commit = get_revision(&rev)) != NULL; i++) {
393 free(commit->buffer);
394 commit->buffer = NULL;
395 free_commit_list(commit->parents);
396 commit->parents = NULL;
397 }
398
399 init_display_notes(NULL);
400 for (i = 0; i < cnt && (commit = get_revision(&rev)) != NULL; i++) {
401 print_commit(commit, &rev);
402 free(commit->buffer);
403 commit->buffer = NULL;
404 free_commit_list(commit->parents);
405 commit->parents = NULL;
406 }
407 if (pager) {
408 html("</table><ul class='pager'>");
409 if (ofs > 0) {
410 html("<li>");
411 cgit_log_link("[prev]", NULL, NULL, ctx.qry.head,
412 ctx.qry.sha1, ctx.qry.vpath,
413 ofs - cnt, ctx.qry.grep,
414 ctx.qry.search, ctx.qry.showmsg);
415 html("</li>");
416 }
417 if ((commit = get_revision(&rev)) != NULL) {
418 html("<li>");
419 cgit_log_link("[next]", NULL, NULL, ctx.qry.head,
420 ctx.qry.sha1, ctx.qry.vpath,
421 ofs + cnt, ctx.qry.grep,
422 ctx.qry.search, ctx.qry.showmsg);
423 html("</li>");
424 }
425 html("</ul>");
426 } else if ((commit = get_revision(&rev)) != NULL) {
427 htmlf("<tr class='nohover'><td colspan='%d'>", columns);
428 cgit_log_link("[...]", NULL, NULL, ctx.qry.head, NULL,
429 ctx.qry.vpath, 0, NULL, NULL, ctx.qry.showmsg);
430 html("</td></tr>\n");
431 }
432}