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 strncpy(buf, deco->name + 13, sizeof(buf) - 1);
80 cgit_log_link(buf, NULL, "remote-deco", NULL,
81 sha1_to_hex(commit->object.sha1),
82 ctx.qry.vpath, 0, NULL, NULL,
83 ctx.qry.showmsg);
84 }
85 else {
86 strncpy(buf, deco->name, sizeof(buf) - 1);
87 cgit_commit_link(buf, NULL, "deco", ctx.qry.head,
88 sha1_to_hex(commit->object.sha1),
89 ctx.qry.vpath, 0);
90 }
91 deco = deco->next;
92 }
93}
94
95void print_commit(struct commit *commit, struct rev_info *revs)
96{
97 struct commitinfo *info;
98 char *tmp;
99 int cols = revs->graph ? 3 : 2;
100 struct strbuf graphbuf = STRBUF_INIT;
101 struct strbuf msgbuf = STRBUF_INIT;
102
103 if (ctx.repo->enable_log_filecount)
104 cols++;
105 if (ctx.repo->enable_log_linecount)
106 cols++;
107
108 if (revs->graph) {
109 /* Advance graph until current commit */
110 while (!graph_next_line(revs->graph, &graphbuf)) {
111 /* Print graph segment in otherwise empty table row */
112 html("<tr class='nohover'><td class='commitgraph'>");
113 html(graphbuf.buf);
114 htmlf("</td><td colspan='%d' /></tr>\n", cols);
115 strbuf_setlen(&graphbuf, 0);
116 }
117 /* Current commit's graph segment is now ready in graphbuf */
118 }
119
120 info = cgit_parse_commit(commit);
121 htmlf("<tr%s>", ctx.qry.showmsg ? " class='logheader'" : "");
122
123 if (revs->graph) {
124 /* Print graph segment for current commit */
125 html("<td class='commitgraph'>");
126 html(graphbuf.buf);
127 html("</td>");
128 strbuf_setlen(&graphbuf, 0);
129 }
130 else {
131 html("<td>");
132 tmp = fmt("id=%s", sha1_to_hex(commit->object.sha1));
133 tmp = cgit_fileurl(ctx.repo->url, "commit", ctx.qry.vpath, tmp);
134 html_link_open(tmp, NULL, NULL);
135 cgit_print_age(commit->date, TM_WEEK * 2, FMT_SHORTDATE);
136 html_link_close();
137 html("</td>");
138 }
139
140 htmlf("<td%s>", ctx.qry.showmsg ? " class='logsubject'" : "");
141 if (ctx.qry.showmsg) {
142 /* line-wrap long commit subjects instead of truncating them */
143 size_t subject_len = strlen(info->subject);
144
145 if (subject_len > ctx.cfg.max_msg_len &&
146 ctx.cfg.max_msg_len >= 15) {
147 /* symbol for signaling line-wrap (in PAGE_ENCODING) */
148 const char wrap_symbol[] = { ' ', 0xE2, 0x86, 0xB5, 0 };
149 int i = ctx.cfg.max_msg_len - strlen(wrap_symbol);
150
151 /* Rewind i to preceding space character */
152 while (i > 0 && !isspace(info->subject[i]))
153 --i;
154 if (!i) /* Oops, zero spaces. Reset i */
155 i = ctx.cfg.max_msg_len - strlen(wrap_symbol);
156
157 /* add remainder starting at i to msgbuf */
158 strbuf_add(&msgbuf, info->subject + i, subject_len - i);
159 strbuf_trim(&msgbuf);
160 strbuf_add(&msgbuf, "\n\n", 2);
161
162 /* Place wrap_symbol at position i in info->subject */
163 strcpy(info->subject + i, wrap_symbol);
164 }
165 }
166 cgit_commit_link(info->subject, NULL, NULL, ctx.qry.head,
167 sha1_to_hex(commit->object.sha1), ctx.qry.vpath, 0);
168 show_commit_decorations(commit);
169 html("</td><td>");
170 html_txt(info->author);
171
172 if (revs->graph) {
173 html("</td><td>");
174 tmp = fmt("id=%s", sha1_to_hex(commit->object.sha1));
175 tmp = cgit_fileurl(ctx.repo->url, "commit", ctx.qry.vpath, tmp);
176 html_link_open(tmp, NULL, NULL);
177 cgit_print_age(commit->date, TM_WEEK * 2, FMT_SHORTDATE);
178 html_link_close();
179 }
180
181 if (ctx.repo->enable_log_filecount || ctx.repo->enable_log_linecount) {
182 files = 0;
183 add_lines = 0;
184 rem_lines = 0;
185 cgit_diff_commit(commit, inspect_files, ctx.qry.vpath);
186 }
187
188 if (ctx.repo->enable_log_filecount)
189 htmlf("</td><td>%d", files);
190 if (ctx.repo->enable_log_linecount)
191 htmlf("</td><td>-%d/+%d", rem_lines, add_lines);
192
193 html("</td></tr>\n");
194
195 if (revs->graph || ctx.qry.showmsg) { /* Print a second table row */
196 html("<tr class='nohover'>");
197
198 if (ctx.qry.showmsg) {
199 /* Concatenate commit message + notes in msgbuf */
200 if (info->msg && *(info->msg)) {
201 strbuf_addstr(&msgbuf, info->msg);
202 strbuf_addch(&msgbuf, '\n');
203 }
204 format_note(NULL, commit->object.sha1, &msgbuf,
205 PAGE_ENCODING,
206 NOTES_SHOW_HEADER | NOTES_INDENT);
207 strbuf_addch(&msgbuf, '\n');
208 strbuf_ltrim(&msgbuf);
209 }
210
211 if (revs->graph) {
212 int lines = 0;
213
214 /* Calculate graph padding */
215 if (ctx.qry.showmsg) {
216 /* Count #lines in commit message + notes */
217 const char *p = msgbuf.buf;
218 lines = 1;
219 while ((p = strchr(p, '\n'))) {
220 p++;
221 lines++;
222 }
223 }
224
225 /* Print graph padding */
226 html("<td class='commitgraph'>");
227 while (lines > 0 || !graph_is_commit_finished(revs->graph)) {
228 if (graphbuf.len)
229 html("\n");
230 strbuf_setlen(&graphbuf, 0);
231 graph_next_line(revs->graph, &graphbuf);
232 html(graphbuf.buf);
233 lines--;
234 }
235 html("</td>\n");
236 }
237 else
238 html("<td/>"); /* Empty 'Age' column */
239
240 /* Print msgbuf into remainder of table row */
241 htmlf("<td colspan='%d'%s>\n", cols,
242 ctx.qry.showmsg ? " class='logmsg'" : "");
243 html_txt(msgbuf.buf);
244 html("</td></tr>\n");
245 }
246
247 strbuf_release(&msgbuf);
248 strbuf_release(&graphbuf);
249 cgit_free_commitinfo(info);
250}
251
252static const char *disambiguate_ref(const char *ref)
253{
254 unsigned char sha1[20];
255 const char *longref;
256
257 longref = fmt("refs/heads/%s", ref);
258 if (get_sha1(longref, sha1) == 0)
259 return longref;
260
261 return ref;
262}
263
264static char *next_token(char **src)
265{
266 char *result;
267
268 if (!src || !*src)
269 return NULL;
270 while (isspace(**src))
271 (*src)++;
272 if (!**src)
273 return NULL;
274 result = *src;
275 while (**src) {
276 if (isspace(**src)) {
277 **src = '\0';
278 (*src)++;
279 break;
280 }
281 (*src)++;
282 }
283 return result;
284}
285
286void cgit_print_log(const char *tip, int ofs, int cnt, char *grep, char *pattern,
287 char *path, int pager, int commit_graph)
288{
289 struct rev_info rev;
290 struct commit *commit;
291 struct vector vec = VECTOR_INIT(char *);
292 int i, columns = 3;
293 char *arg;
294
295 /* First argv is NULL */
296 vector_push(&vec, NULL, 0);
297
298 if (!tip)
299 tip = ctx.qry.head;
300 tip = disambiguate_ref(tip);
301 vector_push(&vec, &tip, 0);
302
303 if (grep && pattern && *pattern) {
304 pattern = xstrdup(pattern);
305 if (!strcmp(grep, "grep") || !strcmp(grep, "author") ||
306 !strcmp(grep, "committer")) {
307 arg = fmt("--%s=%s", grep, pattern);
308 vector_push(&vec, &arg, 0);
309 }
310 if (!strcmp(grep, "range")) {
311 /* Split the pattern at whitespace and add each token
312 * as a revision expression. Do not accept other
313 * rev-list options. Also, replace the previously
314 * pushed tip (it's no longer relevant).
315 */
316 vec.count--;
317 while ((arg = next_token(&pattern))) {
318 if (*arg == '-') {
319 fprintf(stderr, "Bad range expr: %s\n",
320 arg);
321 break;
322 }
323 vector_push(&vec, &arg, 0);
324 }
325 }
326 }
327 if (commit_graph) {
328 static const char *graph_arg = "--graph";
329 static const char *color_arg = "--color";
330 vector_push(&vec, &graph_arg, 0);
331 vector_push(&vec, &color_arg, 0);
332 graph_set_column_colors(column_colors_html,
333 COLUMN_COLORS_HTML_MAX);
334 }
335
336 if (path) {
337 arg = "--";
338 vector_push(&vec, &arg, 0);
339 vector_push(&vec, &path, 0);
340 }
341
342 /* Make sure the vector is NULL-terminated */
343 vector_push(&vec, NULL, 0);
344 vec.count--;
345
346 init_revisions(&rev, NULL);
347 rev.abbrev = DEFAULT_ABBREV;
348 rev.commit_format = CMIT_FMT_DEFAULT;
349 rev.verbose_header = 1;
350 rev.show_root_diff = 0;
351 setup_revisions(vec.count, vec.data, &rev, NULL);
352 load_ref_decorations(DECORATE_FULL_REFS);
353 rev.show_decorations = 1;
354 rev.grep_filter.regflags |= REG_ICASE;
355 compile_grep_patterns(&rev.grep_filter);
356 prepare_revision_walk(&rev);
357
358 if (pager)
359 html("<table class='list nowrap'>");
360
361 html("<tr class='nohover'>");
362 if (commit_graph)
363 html("<th></th>");
364 else
365 html("<th class='left'>Age</th>");
366 html("<th class='left'>Commit message");
367 if (pager) {
368 html(" (");
369 cgit_log_link(ctx.qry.showmsg ? "Collapse" : "Expand", NULL,
370 NULL, ctx.qry.head, ctx.qry.sha1,
371 ctx.qry.vpath, ctx.qry.ofs, ctx.qry.grep,
372 ctx.qry.search, ctx.qry.showmsg ? 0 : 1);
373 html(")");
374 }
375 html("</th><th class='left'>Author</th>");
376 if (commit_graph)
377 html("<th class='left'>Age</th>");
378 if (ctx.repo->enable_log_filecount) {
379 html("<th class='left'>Files</th>");
380 columns++;
381 }
382 if (ctx.repo->enable_log_linecount) {
383 html("<th class='left'>Lines</th>");
384 columns++;
385 }
386 html("</tr>\n");
387
388 if (ofs<0)
389 ofs = 0;
390
391 for (i = 0; i < ofs && (commit = get_revision(&rev)) != NULL; i++) {
392 free(commit->buffer);
393 commit->buffer = NULL;
394 free_commit_list(commit->parents);
395 commit->parents = NULL;
396 }
397
398 for (i = 0; i < cnt && (commit = get_revision(&rev)) != NULL; i++) {
399 print_commit(commit, &rev);
400 free(commit->buffer);
401 commit->buffer = NULL;
402 free_commit_list(commit->parents);
403 commit->parents = NULL;
404 }
405 if (pager) {
406 html("</table><div class='pager'>");
407 if (ofs > 0) {
408 cgit_log_link("[prev]", NULL, NULL, ctx.qry.head,
409 ctx.qry.sha1, ctx.qry.vpath,
410 ofs - cnt, ctx.qry.grep,
411 ctx.qry.search, ctx.qry.showmsg);
412 html(" ");
413 }
414 if ((commit = get_revision(&rev)) != NULL) {
415 cgit_log_link("[next]", NULL, NULL, ctx.qry.head,
416 ctx.qry.sha1, ctx.qry.vpath,
417 ofs + cnt, ctx.qry.grep,
418 ctx.qry.search, ctx.qry.showmsg);
419 }
420 html("</div>");
421 } else if ((commit = get_revision(&rev)) != NULL) {
422 html("<tr class='nohover'><td colspan='3'>");
423 cgit_log_link("[...]", NULL, NULL, ctx.qry.head, NULL,
424 ctx.qry.vpath, 0, NULL, NULL, ctx.qry.showmsg);
425 html("</td></tr>\n");
426 }
427}