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
109 if (revs->graph) {
110 /* Advance graph until current commit */
111 while (!graph_next_line(revs->graph, &graphbuf)) {
112 /* Print graph segment in otherwise empty table row */
113 html("<tr class='nohover'><td class='commitgraph'>");
114 html(graphbuf.buf);
115 htmlf("</td><td colspan='%d' /></tr>\n", cols);
116 strbuf_setlen(&graphbuf, 0);
117 }
118 /* Current commit's graph segment is now ready in graphbuf */
119 }
120
121 info = cgit_parse_commit(commit);
122 htmlf("<tr%s>", ctx.qry.showmsg ? " class='logheader'" : "");
123
124 if (revs->graph) {
125 /* Print graph segment for current commit */
126 html("<td class='commitgraph'>");
127 html(graphbuf.buf);
128 html("</td>");
129 strbuf_setlen(&graphbuf, 0);
130 }
131 else {
132 html("<td>");
133 tmp = fmt("id=%s", sha1_to_hex(commit->object.sha1));
134 tmp = cgit_fileurl(ctx.repo->url, "commit", ctx.qry.vpath, tmp);
135 html_link_open(tmp, NULL, NULL);
136 cgit_print_age(commit->date, TM_WEEK * 2, FMT_SHORTDATE);
137 html_link_close();
138 html("</td>");
139 }
140
141 htmlf("<td%s>", ctx.qry.showmsg ? " class='logsubject'" : "");
142 if (ctx.qry.showmsg) {
143 /* line-wrap long commit subjects instead of truncating them */
144 size_t subject_len = strlen(info->subject);
145
146 if (subject_len > ctx.cfg.max_msg_len &&
147 ctx.cfg.max_msg_len >= 15) {
148 /* symbol for signaling line-wrap (in PAGE_ENCODING) */
149 const char wrap_symbol[] = { ' ', 0xE2, 0x86, 0xB5, 0 };
150 int i = ctx.cfg.max_msg_len - strlen(wrap_symbol);
151
152 /* Rewind i to preceding space character */
153 while (i > 0 && !isspace(info->subject[i]))
154 --i;
155 if (!i) /* Oops, zero spaces. Reset i */
156 i = ctx.cfg.max_msg_len - strlen(wrap_symbol);
157
158 /* add remainder starting at i to msgbuf */
159 strbuf_add(&msgbuf, info->subject + i, subject_len - i);
160 strbuf_trim(&msgbuf);
161 strbuf_add(&msgbuf, "\n\n", 2);
162
163 /* Place wrap_symbol at position i in info->subject */
164 strcpy(info->subject + i, wrap_symbol);
165 }
166 }
167 cgit_commit_link(info->subject, NULL, NULL, ctx.qry.head,
168 sha1_to_hex(commit->object.sha1), ctx.qry.vpath, 0);
169 show_commit_decorations(commit);
170 html("</td><td>");
171 html_txt(info->author);
172
173 if (revs->graph) {
174 html("</td><td>");
175 tmp = fmt("id=%s", sha1_to_hex(commit->object.sha1));
176 tmp = cgit_fileurl(ctx.repo->url, "commit", ctx.qry.vpath, tmp);
177 html_link_open(tmp, NULL, NULL);
178 cgit_print_age(commit->date, TM_WEEK * 2, FMT_SHORTDATE);
179 html_link_close();
180 }
181
182 if (ctx.repo->enable_log_filecount) {
183 files = 0;
184 add_lines = 0;
185 rem_lines = 0;
186 cgit_diff_commit(commit, inspect_files, ctx.qry.vpath);
187 html("</td><td>");
188 htmlf("%d", files);
189 if (ctx.repo->enable_log_linecount) {
190 html("</td><td>");
191 htmlf("-%d/+%d", rem_lines, add_lines);
192 }
193 }
194 html("</td></tr>\n");
195
196 if (revs->graph || ctx.qry.showmsg) { /* Print a second table row */
197 html("<tr class='nohover'>");
198
199 if (ctx.qry.showmsg) {
200 /* Concatenate commit message + notes in msgbuf */
201 if (info->msg && *(info->msg)) {
202 strbuf_addstr(&msgbuf, info->msg);
203 strbuf_addch(&msgbuf, '\n');
204 }
205 format_note(NULL, commit->object.sha1, &msgbuf,
206 PAGE_ENCODING,
207 NOTES_SHOW_HEADER | NOTES_INDENT);
208 strbuf_addch(&msgbuf, '\n');
209 strbuf_ltrim(&msgbuf);
210 }
211
212 if (revs->graph) {
213 int lines = 0;
214
215 /* Calculate graph padding */
216 if (ctx.qry.showmsg) {
217 /* Count #lines in commit message + notes */
218 const char *p = msgbuf.buf;
219 lines = 1;
220 while ((p = strchr(p, '\n'))) {
221 p++;
222 lines++;
223 }
224 }
225
226 /* Print graph padding */
227 html("<td class='commitgraph'>");
228 while (lines > 0 || !graph_is_commit_finished(revs->graph)) {
229 if (graphbuf.len)
230 html("\n");
231 strbuf_setlen(&graphbuf, 0);
232 graph_next_line(revs->graph, &graphbuf);
233 html(graphbuf.buf);
234 lines--;
235 }
236 html("</td>\n");
237 }
238 else
239 html("<td/>"); /* Empty 'Age' column */
240
241 /* Print msgbuf into remainder of table row */
242 htmlf("<td colspan='%d'%s>\n", cols,
243 ctx.qry.showmsg ? " class='logmsg'" : "");
244 html_txt(msgbuf.buf);
245 html("</td></tr>\n");
246 }
247
248 strbuf_release(&msgbuf);
249 strbuf_release(&graphbuf);
250 cgit_free_commitinfo(info);
251}
252
253static const char *disambiguate_ref(const char *ref)
254{
255 unsigned char sha1[20];
256 const char *longref;
257
258 longref = fmt("refs/heads/%s", ref);
259 if (get_sha1(longref, sha1) == 0)
260 return longref;
261
262 return ref;
263}
264
265static char *next_token(char **src)
266{
267 char *result;
268
269 if (!src || !*src)
270 return NULL;
271 while (isspace(**src))
272 (*src)++;
273 if (!**src)
274 return NULL;
275 result = *src;
276 while (**src) {
277 if (isspace(**src)) {
278 **src = '\0';
279 (*src)++;
280 break;
281 }
282 (*src)++;
283 }
284 return result;
285}
286
287void cgit_print_log(const char *tip, int ofs, int cnt, char *grep, char *pattern,
288 char *path, int pager, int commit_graph)
289{
290 struct rev_info rev;
291 struct commit *commit;
292 struct vector vec = VECTOR_INIT(char *);
293 int i, columns = 3;
294 char *arg;
295
296 /* First argv is NULL */
297 vector_push(&vec, NULL, 0);
298
299 if (!tip)
300 tip = ctx.qry.head;
301 tip = disambiguate_ref(tip);
302 vector_push(&vec, &tip, 0);
303
304 if (grep && pattern && *pattern) {
305 pattern = xstrdup(pattern);
306 if (!strcmp(grep, "grep") || !strcmp(grep, "author") ||
307 !strcmp(grep, "committer")) {
308 arg = fmt("--%s=%s", grep, pattern);
309 vector_push(&vec, &arg, 0);
310 }
311 if (!strcmp(grep, "range")) {
312 /* Split the pattern at whitespace and add each token
313 * as a revision expression. Do not accept other
314 * rev-list options. Also, replace the previously
315 * pushed tip (it's no longer relevant).
316 */
317 vec.count--;
318 while ((arg = next_token(&pattern))) {
319 if (*arg == '-') {
320 fprintf(stderr, "Bad range expr: %s\n",
321 arg);
322 break;
323 }
324 vector_push(&vec, &arg, 0);
325 }
326 }
327 }
328 if (commit_graph) {
329 static const char *graph_arg = "--graph";
330 static const char *color_arg = "--color";
331 vector_push(&vec, &graph_arg, 0);
332 vector_push(&vec, &color_arg, 0);
333 graph_set_column_colors(column_colors_html,
334 COLUMN_COLORS_HTML_MAX);
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 if (ctx.repo->enable_log_linecount) {
383 html("<th class='left'>Lines</th>");
384 columns++;
385 }
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 for (i = 0; i < cnt && (commit = get_revision(&rev)) != NULL; i++) {
400 print_commit(commit, &rev);
401 free(commit->buffer);
402 commit->buffer = NULL;
403 free_commit_list(commit->parents);
404 commit->parents = NULL;
405 }
406 if (pager) {
407 html("</table><div class='pager'>");
408 if (ofs > 0) {
409 cgit_log_link("[prev]", NULL, NULL, ctx.qry.head,
410 ctx.qry.sha1, ctx.qry.vpath,
411 ofs - cnt, ctx.qry.grep,
412 ctx.qry.search, ctx.qry.showmsg);
413 html(" ");
414 }
415 if ((commit = get_revision(&rev)) != NULL) {
416 cgit_log_link("[next]", NULL, NULL, ctx.qry.head,
417 ctx.qry.sha1, ctx.qry.vpath,
418 ofs + cnt, ctx.qry.grep,
419 ctx.qry.search, ctx.qry.showmsg);
420 }
421 html("</div>");
422 } else if ((commit = get_revision(&rev)) != NULL) {
423 html("<tr class='nohover'><td colspan='3'>");
424 cgit_log_link("[...]", NULL, NULL, ctx.qry.head, NULL,
425 ctx.qry.vpath, 0, NULL, NULL, ctx.qry.showmsg);
426 html("</td></tr>\n");
427 }
428}