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 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", cols);
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_note(NULL, commit->object.sha1, &msgbuf,
199 PAGE_ENCODING,
200 NOTES_SHOW_HEADER | NOTES_INDENT);
201 strbuf_addch(&msgbuf, '\n');
202 strbuf_ltrim(&msgbuf);
203 }
204
205 if (revs->graph) {
206 int lines = 0;
207
208 /* Calculate graph padding */
209 if (ctx.qry.showmsg) {
210 /* Count #lines in commit message + notes */
211 const char *p = msgbuf.buf;
212 lines = 1;
213 while ((p = strchr(p, '\n'))) {
214 p++;
215 lines++;
216 }
217 }
218
219 /* Print graph padding */
220 html("<td class='commitgraph'>");
221 while (lines > 0 || !graph_is_commit_finished(revs->graph)) {
222 if (graphbuf.len)
223 html("\n");
224 strbuf_setlen(&graphbuf, 0);
225 graph_next_line(revs->graph, &graphbuf);
226 html(graphbuf.buf);
227 lines--;
228 }
229 html("</td>\n");
230 }
231 else
232 html("<td/>"); /* Empty 'Age' column */
233
234 /* Print msgbuf into remainder of table row */
235 htmlf("<td colspan='%d'%s>\n", cols,
236 ctx.qry.showmsg ? " class='logmsg'" : "");
237 html_txt(msgbuf.buf);
238 html("</td></tr>\n");
239 }
240
241 strbuf_release(&msgbuf);
242 strbuf_release(&graphbuf);
243 cgit_free_commitinfo(info);
244}
245
246static const char *disambiguate_ref(const char *ref)
247{
248 unsigned char sha1[20];
249 const char *longref;
250
251 longref = fmt("refs/heads/%s", ref);
252 if (get_sha1(longref, sha1) == 0)
253 return longref;
254
255 return ref;
256}
257
258static char *next_token(char **src)
259{
260 char *result;
261
262 if (!src || !*src)
263 return NULL;
264 while (isspace(**src))
265 (*src)++;
266 if (!**src)
267 return NULL;
268 result = *src;
269 while (**src) {
270 if (isspace(**src)) {
271 **src = '\0';
272 (*src)++;
273 break;
274 }
275 (*src)++;
276 }
277 return result;
278}
279
280void cgit_print_log(const char *tip, int ofs, int cnt, char *grep, char *pattern,
281 char *path, int pager, int commit_graph, int commit_sort)
282{
283 struct rev_info rev;
284 struct commit *commit;
285 struct vector vec = VECTOR_INIT(char *);
286 int i, columns = 3;
287 char *arg;
288
289 /* First argv is NULL */
290 vector_push(&vec, NULL, 0);
291
292 if (!tip)
293 tip = ctx.qry.head;
294 tip = disambiguate_ref(tip);
295 vector_push(&vec, &tip, 0);
296
297 if (grep && pattern && *pattern) {
298 pattern = xstrdup(pattern);
299 if (!strcmp(grep, "grep") || !strcmp(grep, "author") ||
300 !strcmp(grep, "committer")) {
301 arg = fmt("--%s=%s", grep, pattern);
302 vector_push(&vec, &arg, 0);
303 }
304 if (!strcmp(grep, "range")) {
305 /* Split the pattern at whitespace and add each token
306 * as a revision expression. Do not accept other
307 * rev-list options. Also, replace the previously
308 * pushed tip (it's no longer relevant).
309 */
310 vec.count--;
311 while ((arg = next_token(&pattern))) {
312 if (*arg == '-') {
313 fprintf(stderr, "Bad range expr: %s\n",
314 arg);
315 break;
316 }
317 vector_push(&vec, &arg, 0);
318 }
319 }
320 }
321 if (commit_graph) {
322 static const char *graph_arg = "--graph";
323 static const char *color_arg = "--color";
324 vector_push(&vec, &graph_arg, 0);
325 vector_push(&vec, &color_arg, 0);
326 graph_set_column_colors(column_colors_html,
327 COLUMN_COLORS_HTML_MAX);
328 }
329
330 if (commit_sort == 1) {
331 static const char *date_order_arg = "--date-order";
332 vector_push(&vec, &date_order_arg, 0);
333 } else if (commit_sort == 2) {
334 static const char *topo_order_arg = "--topo-order";
335 vector_push(&vec, &topo_order_arg, 0);
336 }
337
338 if (path) {
339 arg = "--";
340 vector_push(&vec, &arg, 0);
341 vector_push(&vec, &path, 0);
342 }
343
344 /* Make sure the vector is NULL-terminated */
345 vector_push(&vec, NULL, 0);
346 vec.count--;
347
348 init_revisions(&rev, NULL);
349 rev.abbrev = DEFAULT_ABBREV;
350 rev.commit_format = CMIT_FMT_DEFAULT;
351 rev.verbose_header = 1;
352 rev.show_root_diff = 0;
353 setup_revisions(vec.count, vec.data, &rev, NULL);
354 load_ref_decorations(DECORATE_FULL_REFS);
355 rev.show_decorations = 1;
356 rev.grep_filter.regflags |= REG_ICASE;
357 compile_grep_patterns(&rev.grep_filter);
358 prepare_revision_walk(&rev);
359
360 if (pager)
361 html("<table class='list nowrap'>");
362
363 html("<tr class='nohover'>");
364 if (commit_graph)
365 html("<th></th>");
366 else
367 html("<th class='left'>Age</th>");
368 html("<th class='left'>Commit message");
369 if (pager) {
370 html(" (");
371 cgit_log_link(ctx.qry.showmsg ? "Collapse" : "Expand", NULL,
372 NULL, ctx.qry.head, ctx.qry.sha1,
373 ctx.qry.vpath, ctx.qry.ofs, ctx.qry.grep,
374 ctx.qry.search, ctx.qry.showmsg ? 0 : 1);
375 html(")");
376 }
377 html("</th><th class='left'>Author</th>");
378 if (commit_graph)
379 html("<th class='left'>Age</th>");
380 if (ctx.repo->enable_log_filecount) {
381 html("<th class='left'>Files</th>");
382 columns++;
383 }
384 if (ctx.repo->enable_log_linecount) {
385 html("<th class='left'>Lines</th>");
386 columns++;
387 }
388 html("</tr>\n");
389
390 if (ofs<0)
391 ofs = 0;
392
393 for (i = 0; i < ofs && (commit = get_revision(&rev)) != NULL; i++) {
394 free(commit->buffer);
395 commit->buffer = NULL;
396 free_commit_list(commit->parents);
397 commit->parents = NULL;
398 }
399
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><div class='pager'>");
409 if (ofs > 0) {
410 cgit_log_link("[prev]", 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 html(" ");
415 }
416 if ((commit = get_revision(&rev)) != NULL) {
417 cgit_log_link("[next]", NULL, NULL, ctx.qry.head,
418 ctx.qry.sha1, ctx.qry.vpath,
419 ofs + cnt, ctx.qry.grep,
420 ctx.qry.search, ctx.qry.showmsg);
421 }
422 html("</div>");
423 } else if ((commit = get_revision(&rev)) != NULL) {
424 html("<tr class='nohover'><td colspan='3'>");
425 cgit_log_link("[...]", NULL, NULL, ctx.qry.head, NULL,
426 ctx.qry.vpath, 0, NULL, NULL, ctx.qry.showmsg);
427 html("</td></tr>\n");
428 }
429}