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