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
31void 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
43void 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
98void print_commit(struct commit *commit, struct rev_info *revs)
99{
100 struct commitinfo *info;
101 int cols = revs->graph ? 3 : 2;
102 struct strbuf graphbuf = STRBUF_INIT;
103 struct strbuf msgbuf = STRBUF_INIT;
104
105 if (ctx.repo->enable_log_filecount) {
106 cols++;
107 if (ctx.repo->enable_log_linecount)
108 cols++;
109 }
110
111 if (revs->graph) {
112 /* Advance graph until current commit */
113 while (!graph_next_line(revs->graph, &graphbuf)) {
114 /* Print graph segment in otherwise empty table row */
115 html("<tr class='nohover'><td class='commitgraph'>");
116 html(graphbuf.buf);
117 htmlf("</td><td colspan='%d' /></tr>\n", cols);
118 strbuf_setlen(&graphbuf, 0);
119 }
120 /* Current commit's graph segment is now ready in graphbuf */
121 }
122
123 info = cgit_parse_commit(commit);
124 htmlf("<tr%s>", ctx.qry.showmsg ? " class='logheader'" : "");
125
126 if (revs->graph) {
127 /* Print graph segment for current commit */
128 html("<td class='commitgraph'>");
129 html(graphbuf.buf);
130 html("</td>");
131 strbuf_setlen(&graphbuf, 0);
132 }
133 else {
134 html("<td>");
135 cgit_print_age(commit->date, TM_WEEK * 2, FMT_SHORTDATE);
136 html("</td>");
137 }
138
139 htmlf("<td%s>", ctx.qry.showmsg ? " class='logsubject'" : "");
140 if (ctx.qry.showmsg) {
141 /* line-wrap long commit subjects instead of truncating them */
142 size_t subject_len = strlen(info->subject);
143
144 if (subject_len > ctx.cfg.max_msg_len &&
145 ctx.cfg.max_msg_len >= 15) {
146 /* symbol for signaling line-wrap (in PAGE_ENCODING) */
147 const char wrap_symbol[] = { ' ', 0xE2, 0x86, 0xB5, 0 };
148 int i = ctx.cfg.max_msg_len - strlen(wrap_symbol);
149
150 /* Rewind i to preceding space character */
151 while (i > 0 && !isspace(info->subject[i]))
152 --i;
153 if (!i) /* Oops, zero spaces. Reset i */
154 i = ctx.cfg.max_msg_len - strlen(wrap_symbol);
155
156 /* add remainder starting at i to msgbuf */
157 strbuf_add(&msgbuf, info->subject + i, subject_len - i);
158 strbuf_trim(&msgbuf);
159 strbuf_add(&msgbuf, "\n\n", 2);
160
161 /* Place wrap_symbol at position i in info->subject */
162 strcpy(info->subject + i, wrap_symbol);
163 }
164 }
165 cgit_commit_link(info->subject, NULL, NULL, ctx.qry.head,
166 sha1_to_hex(commit->object.sha1), ctx.qry.vpath, 0);
167 show_commit_decorations(commit);
168 html("</td><td>");
169 html_txt(info->author);
170
171 if (revs->graph) {
172 html("</td><td>");
173 cgit_print_age(commit->date, TM_WEEK * 2, FMT_SHORTDATE);
174 }
175
176 if (ctx.repo->enable_log_filecount) {
177 files = 0;
178 add_lines = 0;
179 rem_lines = 0;
180 cgit_diff_commit(commit, inspect_files, ctx.qry.vpath);
181 html("</td><td>");
182 htmlf("%d", files);
183 if (ctx.repo->enable_log_linecount) {
184 html("</td><td>");
185 htmlf("-%d/+%d", rem_lines, add_lines);
186 }
187 }
188 html("</td></tr>\n");
189
190 if (revs->graph || ctx.qry.showmsg) { /* Print a second table row */
191 html("<tr class='nohover'>");
192
193 if (ctx.qry.showmsg) {
194 /* Concatenate commit message + notes in msgbuf */
195 if (info->msg && *(info->msg)) {
196 strbuf_addstr(&msgbuf, info->msg);
197 strbuf_addch(&msgbuf, '\n');
198 }
199 format_note(NULL, commit->object.sha1, &msgbuf,
200 PAGE_ENCODING,
201 NOTES_SHOW_HEADER | NOTES_INDENT);
202 strbuf_addch(&msgbuf, '\n');
203 strbuf_ltrim(&msgbuf);
204 }
205
206 if (revs->graph) {
207 int lines = 0;
208
209 /* Calculate graph padding */
210 if (ctx.qry.showmsg) {
211 /* Count #lines in commit message + notes */
212 const char *p = msgbuf.buf;
213 lines = 1;
214 while ((p = strchr(p, '\n'))) {
215 p++;
216 lines++;
217 }
218 }
219
220 /* Print graph padding */
221 html("<td class='commitgraph'>");
222 while (lines > 0 || !graph_is_commit_finished(revs->graph)) {
223 if (graphbuf.len)
224 html("\n");
225 strbuf_setlen(&graphbuf, 0);
226 graph_next_line(revs->graph, &graphbuf);
227 html(graphbuf.buf);
228 lines--;
229 }
230 html("</td>\n");
231 }
232 else
233 html("<td/>"); /* Empty 'Age' column */
234
235 /* Print msgbuf into remainder of table row */
236 htmlf("<td colspan='%d'%s>\n", cols,
237 ctx.qry.showmsg ? " class='logmsg'" : "");
238 html_txt(msgbuf.buf);
239 html("</td></tr>\n");
240 }
241
242 strbuf_release(&msgbuf);
243 strbuf_release(&graphbuf);
244 cgit_free_commitinfo(info);
245}
246
247static const char *disambiguate_ref(const char *ref)
248{
249 unsigned char sha1[20];
250 const char *longref;
251
252 longref = fmt("refs/heads/%s", ref);
253 if (get_sha1(longref, sha1) == 0)
254 return longref;
255
256 return ref;
257}
258
259static char *next_token(char **src)
260{
261 char *result;
262
263 if (!src || !*src)
264 return NULL;
265 while (isspace(**src))
266 (*src)++;
267 if (!**src)
268 return NULL;
269 result = *src;
270 while (**src) {
271 if (isspace(**src)) {
272 **src = '\0';
273 (*src)++;
274 break;
275 }
276 (*src)++;
277 }
278 return result;
279}
280
281void cgit_print_log(const char *tip, int ofs, int cnt, char *grep, char *pattern,
282 char *path, int pager, int commit_graph)
283{
284 struct rev_info rev;
285 struct commit *commit;
286 struct vector vec = VECTOR_INIT(char *);
287 int i, columns = 3;
288 char *arg;
289
290 /* First argv is NULL */
291 vector_push(&vec, NULL, 0);
292
293 if (!tip)
294 tip = ctx.qry.head;
295 tip = disambiguate_ref(tip);
296 vector_push(&vec, &tip, 0);
297
298 if (grep && pattern && *pattern) {
299 pattern = xstrdup(pattern);
300 if (!strcmp(grep, "grep") || !strcmp(grep, "author") ||
301 !strcmp(grep, "committer")) {
302 arg = fmt("--%s=%s", grep, pattern);
303 vector_push(&vec, &arg, 0);
304 }
305 if (!strcmp(grep, "range")) {
306 /* Split the pattern at whitespace and add each token
307 * as a revision expression. Do not accept other
308 * rev-list options. Also, replace the previously
309 * pushed tip (it's no longer relevant).
310 */
311 vec.count--;
312 while ((arg = next_token(&pattern))) {
313 if (*arg == '-') {
314 fprintf(stderr, "Bad range expr: %s\n",
315 arg);
316 break;
317 }
318 vector_push(&vec, &arg, 0);
319 }
320 }
321 }
322 if (commit_graph) {
323 static const char *graph_arg = "--graph";
324 static const char *color_arg = "--color";
325 vector_push(&vec, &graph_arg, 0);
326 vector_push(&vec, &color_arg, 0);
327 graph_set_column_colors(column_colors_html,
328 COLUMN_COLORS_HTML_MAX);
329 }
330
331 if (path) {
332 arg = "--";
333 vector_push(&vec, &arg, 0);
334 vector_push(&vec, &path, 0);
335 }
336
337 /* Make sure the vector is NULL-terminated */
338 vector_push(&vec, NULL, 0);
339 vec.count--;
340
341 init_revisions(&rev, NULL);
342 rev.abbrev = DEFAULT_ABBREV;
343 rev.commit_format = CMIT_FMT_DEFAULT;
344 rev.verbose_header = 1;
345 rev.show_root_diff = 0;
346 setup_revisions(vec.count, vec.data, &rev, NULL);
347 load_ref_decorations(DECORATE_FULL_REFS);
348 rev.show_decorations = 1;
349 rev.grep_filter.regflags |= REG_ICASE;
350 compile_grep_patterns(&rev.grep_filter);
351 prepare_revision_walk(&rev);
352
353 if (pager)
354 html("<table class='list nowrap'>");
355
356 html("<tr class='nohover'>");
357 if (commit_graph)
358 html("<th></th>");
359 else
360 html("<th class='left'>Age</th>");
361 html("<th class='left'>Commit message");
362 if (pager) {
363 html(" (");
364 cgit_log_link(ctx.qry.showmsg ? "Collapse" : "Expand", NULL,
365 NULL, ctx.qry.head, ctx.qry.sha1,
366 ctx.qry.vpath, ctx.qry.ofs, ctx.qry.grep,
367 ctx.qry.search, ctx.qry.showmsg ? 0 : 1);
368 html(")");
369 }
370 html("</th><th class='left'>Author</th>");
371 if (commit_graph)
372 html("<th class='left'>Age</th>");
373 if (ctx.repo->enable_log_filecount) {
374 html("<th class='left'>Files</th>");
375 columns++;
376 if (ctx.repo->enable_log_linecount) {
377 html("<th class='left'>Lines</th>");
378 columns++;
379 }
380 }
381 html("</tr>\n");
382
383 if (ofs<0)
384 ofs = 0;
385
386 for (i = 0; i < ofs && (commit = get_revision(&rev)) != NULL; i++) {
387 free(commit->buffer);
388 commit->buffer = NULL;
389 free_commit_list(commit->parents);
390 commit->parents = NULL;
391 }
392
393 for (i = 0; i < cnt && (commit = get_revision(&rev)) != NULL; i++) {
394 print_commit(commit, &rev);
395 free(commit->buffer);
396 commit->buffer = NULL;
397 free_commit_list(commit->parents);
398 commit->parents = NULL;
399 }
400 if (pager) {
401 html("</table><div class='pager'>");
402 if (ofs > 0) {
403 cgit_log_link("[prev]", NULL, NULL, ctx.qry.head,
404 ctx.qry.sha1, ctx.qry.vpath,
405 ofs - cnt, ctx.qry.grep,
406 ctx.qry.search, ctx.qry.showmsg);
407 html(" ");
408 }
409 if ((commit = get_revision(&rev)) != NULL) {
410 cgit_log_link("[next]", NULL, NULL, ctx.qry.head,
411 ctx.qry.sha1, ctx.qry.vpath,
412 ofs + cnt, ctx.qry.grep,
413 ctx.qry.search, ctx.qry.showmsg);
414 }
415 html("</div>");
416 } else if ((commit = get_revision(&rev)) != NULL) {
417 html("<tr class='nohover'><td colspan='3'>");
418 cgit_log_link("[...]", NULL, NULL, ctx.qry.head, NULL,
419 ctx.qry.vpath, 0, NULL, NULL, ctx.qry.showmsg);
420 html("</td></tr>\n");
421 }
422}