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