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