ui-shared.c (view raw)
1/* ui-shared.c: common web output functions
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 "cmd.h"
11#include "html.h"
12
13const char cgit_doctype[] =
14"<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\"\n"
15" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">\n";
16
17static char *http_date(time_t t)
18{
19 static char day[][4] =
20 {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
21 static char month[][4] =
22 {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
23 "Jul", "Aug", "Sep", "Oct", "Now", "Dec"};
24 struct tm *tm = gmtime(&t);
25 return fmt("%s, %02d %s %04d %02d:%02d:%02d GMT", day[tm->tm_wday],
26 tm->tm_mday, month[tm->tm_mon], 1900+tm->tm_year,
27 tm->tm_hour, tm->tm_min, tm->tm_sec);
28}
29
30void cgit_print_error(char *msg)
31{
32 html("<div class='error'>");
33 html_txt(msg);
34 html("</div>\n");
35}
36
37char *cgit_rooturl()
38{
39 if (ctx.cfg.virtual_root)
40 return fmt("%s/", ctx.cfg.virtual_root);
41 else
42 return ctx.cfg.script_name;
43}
44
45char *cgit_repourl(const char *reponame)
46{
47 if (ctx.cfg.virtual_root) {
48 return fmt("%s/%s/", ctx.cfg.virtual_root, reponame);
49 } else {
50 return fmt("?r=%s", reponame);
51 }
52}
53
54char *cgit_fileurl(const char *reponame, const char *pagename,
55 const char *filename, const char *query)
56{
57 char *tmp;
58 char *delim;
59
60 if (ctx.cfg.virtual_root) {
61 tmp = fmt("%s/%s/%s/%s", ctx.cfg.virtual_root, reponame,
62 pagename, (filename ? filename:""));
63 delim = "?";
64 } else {
65 tmp = fmt("?url=%s/%s/%s", reponame, pagename,
66 (filename ? filename : ""));
67 delim = "&";
68 }
69 if (query)
70 tmp = fmt("%s%s%s", tmp, delim, query);
71 return tmp;
72}
73
74char *cgit_pageurl(const char *reponame, const char *pagename,
75 const char *query)
76{
77 return cgit_fileurl(reponame,pagename,0,query);
78}
79
80const char *cgit_repobasename(const char *reponame)
81{
82 /* I assume we don't need to store more than one repo basename */
83 static char rvbuf[1024];
84 int p;
85 const char *rv;
86 strncpy(rvbuf,reponame,sizeof(rvbuf));
87 if(rvbuf[sizeof(rvbuf)-1])
88 die("cgit_repobasename: truncated repository name '%s'", reponame);
89 p = strlen(rvbuf)-1;
90 /* strip trailing slashes */
91 while(p && rvbuf[p]=='/') rvbuf[p--]=0;
92 /* strip trailing .git */
93 if(p>=3 && !strncmp(&rvbuf[p-3],".git",4)) {
94 p -= 3; rvbuf[p--] = 0;
95 }
96 /* strip more trailing slashes if any */
97 while( p && rvbuf[p]=='/') rvbuf[p--]=0;
98 /* find last slash in the remaining string */
99 rv = strrchr(rvbuf,'/');
100 if(rv)
101 return ++rv;
102 return rvbuf;
103}
104
105char *cgit_currurl()
106{
107 if (!ctx.cfg.virtual_root)
108 return ctx.cfg.script_name;
109 else if (ctx.qry.page)
110 return fmt("%s/%s/%s/", ctx.cfg.virtual_root, ctx.qry.repo, ctx.qry.page);
111 else if (ctx.qry.repo)
112 return fmt("%s/%s/", ctx.cfg.virtual_root, ctx.qry.repo);
113 else
114 return fmt("%s/", ctx.cfg.virtual_root);
115}
116
117static void site_url(char *page, char *search)
118{
119 char *delim = "?";
120
121 if (ctx.cfg.virtual_root) {
122 html_attr(ctx.cfg.virtual_root);
123 if (ctx.cfg.virtual_root[strlen(ctx.cfg.virtual_root) - 1] != '/')
124 html("/");
125 } else
126 html(ctx.cfg.script_name);
127
128 if (page) {
129 htmlf("?p=%s", page);
130 delim = "&";
131 }
132 if (search) {
133 html(delim);
134 html("q=");
135 html_attr(search);
136 }
137}
138
139static void site_link(char *page, char *name, char *title, char *class,
140 char *search)
141{
142 html("<a");
143 if (title) {
144 html(" title='");
145 html_attr(title);
146 html("'");
147 }
148 if (class) {
149 html(" class='");
150 html_attr(class);
151 html("'");
152 }
153 html(" href='");
154 site_url(page, search);
155 html("'>");
156 html_txt(name);
157 html("</a>");
158}
159
160static char *repolink(char *title, char *class, char *page, char *head,
161 char *path)
162{
163 char *delim = "?";
164
165 html("<a");
166 if (title) {
167 html(" title='");
168 html_attr(title);
169 html("'");
170 }
171 if (class) {
172 html(" class='");
173 html_attr(class);
174 html("'");
175 }
176 html(" href='");
177 if (ctx.cfg.virtual_root) {
178 html_attr(ctx.cfg.virtual_root);
179 if (ctx.cfg.virtual_root[strlen(ctx.cfg.virtual_root) - 1] != '/')
180 html("/");
181 html_attr(ctx.repo->url);
182 if (ctx.repo->url[strlen(ctx.repo->url) - 1] != '/')
183 html("/");
184 if (page) {
185 html(page);
186 html("/");
187 if (path)
188 html_attr(path);
189 }
190 } else {
191 html(ctx.cfg.script_name);
192 html("?url=");
193 html_attr(ctx.repo->url);
194 if (ctx.repo->url[strlen(ctx.repo->url) - 1] != '/')
195 html("/");
196 if (page) {
197 html(page);
198 html("/");
199 if (path)
200 html_attr(path);
201 }
202 delim = "&";
203 }
204 if (head && strcmp(head, ctx.repo->defbranch)) {
205 html(delim);
206 html("h=");
207 html_attr(head);
208 delim = "&";
209 }
210 return fmt("%s", delim);
211}
212
213static void reporevlink(char *page, char *name, char *title, char *class,
214 char *head, char *rev, char *path)
215{
216 char *delim;
217
218 delim = repolink(title, class, page, head, path);
219 if (rev && strcmp(rev, ctx.qry.head)) {
220 html(delim);
221 html("id=");
222 html_attr(rev);
223 }
224 html("'>");
225 html_txt(name);
226 html("</a>");
227}
228
229void cgit_tree_link(char *name, char *title, char *class, char *head,
230 char *rev, char *path)
231{
232 reporevlink("tree", name, title, class, head, rev, path);
233}
234
235void cgit_log_link(char *name, char *title, char *class, char *head,
236 char *rev, char *path, int ofs, char *grep, char *pattern)
237{
238 char *delim;
239
240 delim = repolink(title, class, "log", head, path);
241 if (rev && strcmp(rev, ctx.qry.head)) {
242 html(delim);
243 html("id=");
244 html_attr(rev);
245 delim = "&";
246 }
247 if (grep && pattern) {
248 html(delim);
249 html("qt=");
250 html_attr(grep);
251 delim = "&";
252 html(delim);
253 html("q=");
254 html_attr(pattern);
255 }
256 if (ofs > 0) {
257 html(delim);
258 html("ofs=");
259 htmlf("%d", ofs);
260 }
261 html("'>");
262 html_txt(name);
263 html("</a>");
264}
265
266void cgit_commit_link(char *name, char *title, char *class, char *head,
267 char *rev)
268{
269 if (strlen(name) > ctx.cfg.max_msg_len && ctx.cfg.max_msg_len >= 15) {
270 name[ctx.cfg.max_msg_len] = '\0';
271 name[ctx.cfg.max_msg_len - 1] = '.';
272 name[ctx.cfg.max_msg_len - 2] = '.';
273 name[ctx.cfg.max_msg_len - 3] = '.';
274 }
275 reporevlink("commit", name, title, class, head, rev, NULL);
276}
277
278void cgit_refs_link(char *name, char *title, char *class, char *head,
279 char *rev, char *path)
280{
281 reporevlink("refs", name, title, class, head, rev, path);
282}
283
284void cgit_snapshot_link(char *name, char *title, char *class, char *head,
285 char *rev, char *archivename)
286{
287 reporevlink("snapshot", name, title, class, head, rev, archivename);
288}
289
290void cgit_diff_link(char *name, char *title, char *class, char *head,
291 char *new_rev, char *old_rev, char *path)
292{
293 char *delim;
294
295 delim = repolink(title, class, "diff", head, path);
296 if (new_rev && strcmp(new_rev, ctx.qry.head)) {
297 html(delim);
298 html("id=");
299 html_attr(new_rev);
300 delim = "&";
301 }
302 if (old_rev) {
303 html(delim);
304 html("id2=");
305 html_attr(old_rev);
306 }
307 html("'>");
308 html_txt(name);
309 html("</a>");
310}
311
312void cgit_patch_link(char *name, char *title, char *class, char *head,
313 char *rev)
314{
315 reporevlink("patch", name, title, class, head, rev, NULL);
316}
317
318void cgit_object_link(struct object *obj)
319{
320 char *page, *arg, *url;
321
322 if (obj->type == OBJ_COMMIT) {
323 cgit_commit_link(fmt("commit %s", sha1_to_hex(obj->sha1)), NULL, NULL,
324 ctx.qry.head, sha1_to_hex(obj->sha1));
325 return;
326 } else if (obj->type == OBJ_TREE) {
327 page = "tree";
328 arg = "id";
329 } else if (obj->type == OBJ_TAG) {
330 page = "tag";
331 arg = "id";
332 } else {
333 page = "blob";
334 arg = "id";
335 }
336
337 url = cgit_pageurl(ctx.qry.repo, page,
338 fmt("%s=%s", arg, sha1_to_hex(obj->sha1)));
339 html_link_open(url, NULL, NULL);
340 htmlf("%s %s", typename(obj->type),
341 sha1_to_hex(obj->sha1));
342 html_link_close();
343}
344
345void cgit_print_date(time_t secs, char *format)
346{
347 char buf[64];
348 struct tm *time;
349
350 if (!secs)
351 return;
352 time = gmtime(&secs);
353 strftime(buf, sizeof(buf)-1, format, time);
354 html_txt(buf);
355}
356
357void cgit_print_age(time_t t, time_t max_relative, char *format)
358{
359 time_t now, secs;
360
361 if (!t)
362 return;
363 time(&now);
364 secs = now - t;
365
366 if (secs > max_relative && max_relative >= 0) {
367 cgit_print_date(t, format);
368 return;
369 }
370
371 if (secs < TM_HOUR * 2) {
372 htmlf("<span class='age-mins'>%.0f min.</span>",
373 secs * 1.0 / TM_MIN);
374 return;
375 }
376 if (secs < TM_DAY * 2) {
377 htmlf("<span class='age-hours'>%.0f hours</span>",
378 secs * 1.0 / TM_HOUR);
379 return;
380 }
381 if (secs < TM_WEEK * 2) {
382 htmlf("<span class='age-days'>%.0f days</span>",
383 secs * 1.0 / TM_DAY);
384 return;
385 }
386 if (secs < TM_MONTH * 2) {
387 htmlf("<span class='age-weeks'>%.0f weeks</span>",
388 secs * 1.0 / TM_WEEK);
389 return;
390 }
391 if (secs < TM_YEAR * 2) {
392 htmlf("<span class='age-months'>%.0f months</span>",
393 secs * 1.0 / TM_MONTH);
394 return;
395 }
396 htmlf("<span class='age-years'>%.0f years</span>",
397 secs * 1.0 / TM_YEAR);
398}
399
400void cgit_print_http_headers(struct cgit_context *ctx)
401{
402 if (ctx->page.mimetype && ctx->page.charset)
403 htmlf("Content-Type: %s; charset=%s\n", ctx->page.mimetype,
404 ctx->page.charset);
405 else if (ctx->page.mimetype)
406 htmlf("Content-Type: %s\n", ctx->page.mimetype);
407 if (ctx->page.filename)
408 htmlf("Content-Disposition: inline; filename=\"%s\"\n",
409 ctx->page.filename);
410 htmlf("Last-Modified: %s\n", http_date(ctx->page.modified));
411 htmlf("Expires: %s\n", http_date(ctx->page.expires));
412 html("\n");
413}
414
415void cgit_print_docstart(struct cgit_context *ctx)
416{
417 html(cgit_doctype);
418 html("<html xmlns='http://www.w3.org/1999/xhtml' xml:lang='en' lang='en'>\n");
419 html("<head>\n");
420 html("<title>");
421 html_txt(ctx->page.title);
422 html("</title>\n");
423 htmlf("<meta name='generator' content='cgit %s'/>\n", cgit_version);
424 if (ctx->cfg.robots && *ctx->cfg.robots)
425 htmlf("<meta name='robots' content='%s'/>\n", ctx->cfg.robots);
426 html("<link rel='stylesheet' type='text/css' href='");
427 html_attr(ctx->cfg.css);
428 html("'/>\n");
429 html("</head>\n");
430 html("<body>\n");
431}
432
433void cgit_print_docend()
434{
435 html("</div>\n</body>\n</html>\n");
436}
437
438int print_branch_option(const char *refname, const unsigned char *sha1,
439 int flags, void *cb_data)
440{
441 char *name = (char *)refname;
442 html_option(name, name, ctx.qry.head);
443 return 0;
444}
445
446int print_archive_ref(const char *refname, const unsigned char *sha1,
447 int flags, void *cb_data)
448{
449 struct tag *tag;
450 struct taginfo *info;
451 struct object *obj;
452 char buf[256], *url;
453 unsigned char fileid[20];
454 int *header = (int *)cb_data;
455
456 if (prefixcmp(refname, "refs/archives"))
457 return 0;
458 strncpy(buf, refname+14, sizeof(buf));
459 obj = parse_object(sha1);
460 if (!obj)
461 return 1;
462 if (obj->type == OBJ_TAG) {
463 tag = lookup_tag(sha1);
464 if (!tag || parse_tag(tag) || !(info = cgit_parse_tag(tag)))
465 return 0;
466 hashcpy(fileid, tag->tagged->sha1);
467 } else if (obj->type != OBJ_BLOB) {
468 return 0;
469 } else {
470 hashcpy(fileid, sha1);
471 }
472 if (!*header) {
473 html("<h1>download</h1>\n");
474 *header = 1;
475 }
476 url = cgit_pageurl(ctx.qry.repo, "blob",
477 fmt("id=%s&path=%s", sha1_to_hex(fileid),
478 buf));
479 html_link_open(url, NULL, "menu");
480 html_txt(strlpart(buf, 20));
481 html_link_close();
482 return 0;
483}
484
485void add_hidden_formfields(int incl_head, int incl_search, char *page)
486{
487 char *url;
488
489 if (!ctx.cfg.virtual_root) {
490 url = fmt("%s/%s", ctx.qry.repo, page);
491 if (ctx.qry.path)
492 url = fmt("%s/%s", url, ctx.qry.path);
493 html_hidden("url", url);
494 }
495
496 if (incl_head && strcmp(ctx.qry.head, ctx.repo->defbranch))
497 html_hidden("h", ctx.qry.head);
498
499 if (ctx.qry.sha1)
500 html_hidden("id", ctx.qry.sha1);
501 if (ctx.qry.sha2)
502 html_hidden("id2", ctx.qry.sha2);
503
504 if (incl_search) {
505 if (ctx.qry.grep)
506 html_hidden("qt", ctx.qry.grep);
507 if (ctx.qry.search)
508 html_hidden("q", ctx.qry.search);
509 }
510}
511
512char *hc(struct cgit_cmd *cmd, const char *page)
513{
514 return (strcmp(cmd->name, page) ? NULL : "active");
515}
516
517void cgit_print_pageheader(struct cgit_context *ctx)
518{
519 struct cgit_cmd *cmd = cgit_get_cmd(ctx);
520
521 html("<table id='header'>\n");
522 html("<tr>\n");
523 html("<td class='logo' rowspan='2'><a href='");
524 if (ctx->cfg.logo_link)
525 html_attr(ctx->cfg.logo_link);
526 else
527 html_attr(cgit_rooturl());
528 html("'><img src='");
529 html_attr(ctx->cfg.logo);
530 html("' alt='cgit logo'/></a></td>\n");
531
532 html("<td class='main'>");
533 if (ctx->repo) {
534 reporevlink(NULL, ctx->repo->name, NULL, hc(cmd, "summary"),
535 ctx->qry.head, NULL, NULL);
536 html(" : ");
537 html_txt(ctx->qry.page);
538 html("</td><td class='form'>");
539 html("<form method='get' action=''>\n");
540 add_hidden_formfields(0, 1, ctx->qry.page);
541 html("<select name='h' onchange='this.form.submit();'>\n");
542 for_each_branch_ref(print_branch_option, ctx->qry.head);
543 html("</select> ");
544 html("<input type='submit' name='' value='switch'/>");
545 html("</form>");
546 } else
547 html_txt(ctx->cfg.root_title);
548 html("</td></tr>\n");
549
550 html("<tr><td class='sub'");
551 if (ctx->repo) {
552 html(" colspan='2'>");
553 html_txt(ctx->repo->desc);
554 } else {
555 html(">");
556 if (ctx->cfg.root_desc)
557 html_txt(ctx->cfg.root_desc);
558 else if (ctx->cfg.index_info)
559 html_include(ctx->cfg.index_info);
560 }
561 html("</td></tr></table>\n");
562
563 html("<table class='tabs'><tr><td>\n");
564 if (ctx->repo) {
565 reporevlink(NULL, "summary", NULL, hc(cmd, "summary"),
566 ctx->qry.head, NULL, NULL);
567 cgit_refs_link("refs", NULL, hc(cmd, "refs"), ctx->qry.head,
568 ctx->qry.sha1, NULL);
569 cgit_log_link("log", NULL, hc(cmd, "log"), ctx->qry.head,
570 NULL, NULL, 0, NULL, NULL);
571 cgit_tree_link("tree", NULL, hc(cmd, "tree"), ctx->qry.head,
572 ctx->qry.sha1, NULL);
573 cgit_commit_link("commit", NULL, hc(cmd, "commit"),
574 ctx->qry.head, ctx->qry.sha1);
575 cgit_diff_link("diff", NULL, hc(cmd, "diff"), ctx->qry.head,
576 ctx->qry.sha1, ctx->qry.sha2, NULL);
577 if (ctx->repo->readme)
578 reporevlink("about", "about", NULL,
579 hc(cmd, "about"), ctx->qry.head, NULL,
580 NULL);
581 html("</td><td class='form'>");
582 html("<form class='right' method='get' action='");
583 if (ctx->cfg.virtual_root)
584 html_attr(cgit_fileurl(ctx->qry.repo, "log",
585 ctx->qry.path, NULL));
586 html("'>\n");
587 add_hidden_formfields(1, 0, "log");
588 html("<select name='qt'>\n");
589 html_option("grep", "log msg", ctx->qry.grep);
590 html_option("author", "author", ctx->qry.grep);
591 html_option("committer", "committer", ctx->qry.grep);
592 html("</select>\n");
593 html("<input class='txt' type='text' size='10' name='q' value='");
594 html_attr(ctx->qry.search);
595 html("'/>\n");
596 html("<input type='submit' value='search'/>\n");
597 html("</form>\n");
598 } else {
599 site_link(NULL, "index", NULL, hc(cmd, "repolist"), NULL);
600 if (ctx->cfg.root_readme)
601 site_link("about", "about", NULL, hc(cmd, "about"), NULL);
602 html("</td><td class='form'>");
603 html("<form method='get' action='");
604 html_attr(cgit_rooturl());
605 html("'>\n");
606 html("<input type='text' name='q' size='10' value='");
607 html_attr(ctx->qry.search);
608 html("'/>\n");
609 html("<input type='submit' value='search'/>\n");
610 html("</form>");
611 }
612 html("</td></tr></table>\n");
613 html("<div class='content'>");
614}
615
616void cgit_print_filemode(unsigned short mode)
617{
618 if (S_ISDIR(mode))
619 html("d");
620 else if (S_ISLNK(mode))
621 html("l");
622 else if (S_ISGITLINK(mode))
623 html("m");
624 else
625 html("-");
626 html_fileperm(mode >> 6);
627 html_fileperm(mode >> 3);
628 html_fileperm(mode);
629}
630
631void cgit_print_snapshot_links(const char *repo, const char *head,
632 const char *hex, int snapshots)
633{
634 const struct cgit_snapshot_format* f;
635 char *filename;
636
637 for (f = cgit_snapshot_formats; f->suffix; f++) {
638 if (!(snapshots & f->bit))
639 continue;
640 filename = fmt("%s-%s%s", cgit_repobasename(repo), hex,
641 f->suffix);
642 cgit_snapshot_link(filename, NULL, NULL, (char *)head,
643 (char *)hex, filename);
644 html("<br/>");
645 }
646}