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, int ofs)
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 delim = "&";
137 }
138 if (ofs) {
139 html(delim);
140 htmlf("ofs=%d", ofs);
141 }
142}
143
144static void site_link(char *page, char *name, char *title, char *class,
145 char *search, int ofs)
146{
147 html("<a");
148 if (title) {
149 html(" title='");
150 html_attr(title);
151 html("'");
152 }
153 if (class) {
154 html(" class='");
155 html_attr(class);
156 html("'");
157 }
158 html(" href='");
159 site_url(page, search, ofs);
160 html("'>");
161 html_txt(name);
162 html("</a>");
163}
164
165void cgit_index_link(char *name, char *title, char *class, char *pattern,
166 int ofs)
167{
168 site_link(NULL, name, title, class, pattern, ofs);
169}
170
171static char *repolink(char *title, char *class, char *page, char *head,
172 char *path)
173{
174 char *delim = "?";
175
176 html("<a");
177 if (title) {
178 html(" title='");
179 html_attr(title);
180 html("'");
181 }
182 if (class) {
183 html(" class='");
184 html_attr(class);
185 html("'");
186 }
187 html(" href='");
188 if (ctx.cfg.virtual_root) {
189 html_attr(ctx.cfg.virtual_root);
190 if (ctx.cfg.virtual_root[strlen(ctx.cfg.virtual_root) - 1] != '/')
191 html("/");
192 html_attr(ctx.repo->url);
193 if (ctx.repo->url[strlen(ctx.repo->url) - 1] != '/')
194 html("/");
195 if (page) {
196 html(page);
197 html("/");
198 if (path)
199 html_attr(path);
200 }
201 } else {
202 html(ctx.cfg.script_name);
203 html("?url=");
204 html_attr(ctx.repo->url);
205 if (ctx.repo->url[strlen(ctx.repo->url) - 1] != '/')
206 html("/");
207 if (page) {
208 html(page);
209 html("/");
210 if (path)
211 html_attr(path);
212 }
213 delim = "&";
214 }
215 if (head && strcmp(head, ctx.repo->defbranch)) {
216 html(delim);
217 html("h=");
218 html_attr(head);
219 delim = "&";
220 }
221 return fmt("%s", delim);
222}
223
224static void reporevlink(char *page, char *name, char *title, char *class,
225 char *head, char *rev, char *path)
226{
227 char *delim;
228
229 delim = repolink(title, class, page, head, path);
230 if (rev && strcmp(rev, ctx.qry.head)) {
231 html(delim);
232 html("id=");
233 html_attr(rev);
234 }
235 html("'>");
236 html_txt(name);
237 html("</a>");
238}
239
240void cgit_tree_link(char *name, char *title, char *class, char *head,
241 char *rev, char *path)
242{
243 reporevlink("tree", name, title, class, head, rev, path);
244}
245
246void cgit_plain_link(char *name, char *title, char *class, char *head,
247 char *rev, char *path)
248{
249 reporevlink("plain", name, title, class, head, rev, path);
250}
251
252void cgit_log_link(char *name, char *title, char *class, char *head,
253 char *rev, char *path, int ofs, char *grep, char *pattern)
254{
255 char *delim;
256
257 delim = repolink(title, class, "log", head, path);
258 if (rev && strcmp(rev, ctx.qry.head)) {
259 html(delim);
260 html("id=");
261 html_attr(rev);
262 delim = "&";
263 }
264 if (grep && pattern) {
265 html(delim);
266 html("qt=");
267 html_attr(grep);
268 delim = "&";
269 html(delim);
270 html("q=");
271 html_attr(pattern);
272 }
273 if (ofs > 0) {
274 html(delim);
275 html("ofs=");
276 htmlf("%d", ofs);
277 }
278 html("'>");
279 html_txt(name);
280 html("</a>");
281}
282
283void cgit_commit_link(char *name, char *title, char *class, char *head,
284 char *rev)
285{
286 if (strlen(name) > ctx.cfg.max_msg_len && ctx.cfg.max_msg_len >= 15) {
287 name[ctx.cfg.max_msg_len] = '\0';
288 name[ctx.cfg.max_msg_len - 1] = '.';
289 name[ctx.cfg.max_msg_len - 2] = '.';
290 name[ctx.cfg.max_msg_len - 3] = '.';
291 }
292 reporevlink("commit", name, title, class, head, rev, NULL);
293}
294
295void cgit_refs_link(char *name, char *title, char *class, char *head,
296 char *rev, char *path)
297{
298 reporevlink("refs", name, title, class, head, rev, path);
299}
300
301void cgit_snapshot_link(char *name, char *title, char *class, char *head,
302 char *rev, char *archivename)
303{
304 reporevlink("snapshot", name, title, class, head, rev, archivename);
305}
306
307void cgit_diff_link(char *name, char *title, char *class, char *head,
308 char *new_rev, char *old_rev, char *path)
309{
310 char *delim;
311
312 delim = repolink(title, class, "diff", head, path);
313 if (new_rev && strcmp(new_rev, ctx.qry.head)) {
314 html(delim);
315 html("id=");
316 html_attr(new_rev);
317 delim = "&";
318 }
319 if (old_rev) {
320 html(delim);
321 html("id2=");
322 html_attr(old_rev);
323 }
324 html("'>");
325 html_txt(name);
326 html("</a>");
327}
328
329void cgit_patch_link(char *name, char *title, char *class, char *head,
330 char *rev)
331{
332 reporevlink("patch", name, title, class, head, rev, NULL);
333}
334
335void cgit_object_link(struct object *obj)
336{
337 char *page, *arg, *url;
338
339 if (obj->type == OBJ_COMMIT) {
340 cgit_commit_link(fmt("commit %s", sha1_to_hex(obj->sha1)), NULL, NULL,
341 ctx.qry.head, sha1_to_hex(obj->sha1));
342 return;
343 } else if (obj->type == OBJ_TREE) {
344 page = "tree";
345 arg = "id";
346 } else if (obj->type == OBJ_TAG) {
347 page = "tag";
348 arg = "id";
349 } else {
350 page = "blob";
351 arg = "id";
352 }
353
354 url = cgit_pageurl(ctx.qry.repo, page,
355 fmt("%s=%s", arg, sha1_to_hex(obj->sha1)));
356 html_link_open(url, NULL, NULL);
357 htmlf("%s %s", typename(obj->type),
358 sha1_to_hex(obj->sha1));
359 html_link_close();
360}
361
362void cgit_print_date(time_t secs, char *format, int local_time)
363{
364 char buf[64];
365 struct tm *time;
366
367 if (!secs)
368 return;
369 if(local_time)
370 time = localtime(&secs);
371 else
372 time = gmtime(&secs);
373 strftime(buf, sizeof(buf)-1, format, time);
374 html_txt(buf);
375}
376
377void cgit_print_age(time_t t, time_t max_relative, char *format)
378{
379 time_t now, secs;
380
381 if (!t)
382 return;
383 time(&now);
384 secs = now - t;
385
386 if (secs > max_relative && max_relative >= 0) {
387 cgit_print_date(t, format, ctx.cfg.local_time);
388 return;
389 }
390
391 if (secs < TM_HOUR * 2) {
392 htmlf("<span class='age-mins'>%.0f min.</span>",
393 secs * 1.0 / TM_MIN);
394 return;
395 }
396 if (secs < TM_DAY * 2) {
397 htmlf("<span class='age-hours'>%.0f hours</span>",
398 secs * 1.0 / TM_HOUR);
399 return;
400 }
401 if (secs < TM_WEEK * 2) {
402 htmlf("<span class='age-days'>%.0f days</span>",
403 secs * 1.0 / TM_DAY);
404 return;
405 }
406 if (secs < TM_MONTH * 2) {
407 htmlf("<span class='age-weeks'>%.0f weeks</span>",
408 secs * 1.0 / TM_WEEK);
409 return;
410 }
411 if (secs < TM_YEAR * 2) {
412 htmlf("<span class='age-months'>%.0f months</span>",
413 secs * 1.0 / TM_MONTH);
414 return;
415 }
416 htmlf("<span class='age-years'>%.0f years</span>",
417 secs * 1.0 / TM_YEAR);
418}
419
420void cgit_print_http_headers(struct cgit_context *ctx)
421{
422 if (ctx->page.mimetype && ctx->page.charset)
423 htmlf("Content-Type: %s; charset=%s\n", ctx->page.mimetype,
424 ctx->page.charset);
425 else if (ctx->page.mimetype)
426 htmlf("Content-Type: %s\n", ctx->page.mimetype);
427 if (ctx->page.size)
428 htmlf("Content-Length: %ld\n", ctx->page.size);
429 if (ctx->page.filename)
430 htmlf("Content-Disposition: inline; filename=\"%s\"\n",
431 ctx->page.filename);
432 htmlf("Last-Modified: %s\n", http_date(ctx->page.modified));
433 htmlf("Expires: %s\n", http_date(ctx->page.expires));
434 html("\n");
435}
436
437void cgit_print_docstart(struct cgit_context *ctx)
438{
439 html(cgit_doctype);
440 html("<html xmlns='http://www.w3.org/1999/xhtml' xml:lang='en' lang='en'>\n");
441 html("<head>\n");
442 html("<title>");
443 html_txt(ctx->page.title);
444 html("</title>\n");
445 htmlf("<meta name='generator' content='cgit %s'/>\n", cgit_version);
446 if (ctx->cfg.robots && *ctx->cfg.robots)
447 htmlf("<meta name='robots' content='%s'/>\n", ctx->cfg.robots);
448 html("<link rel='stylesheet' type='text/css' href='");
449 html_attr(ctx->cfg.css);
450 html("'/>\n");
451 if (ctx->cfg.favicon) {
452 html("<link rel='shortcut icon' href='");
453 html_attr(ctx->cfg.favicon);
454 html("'/>\n");
455 }
456 html("</head>\n");
457 html("<body>\n");
458}
459
460void cgit_print_docend()
461{
462 html("</div>");
463 if (ctx.cfg.footer)
464 html_include(ctx.cfg.footer);
465 else {
466 html("<div class='footer'>generated ");
467 cgit_print_date(time(NULL), FMT_LONGDATE, ctx.cfg.local_time);
468 htmlf(" by cgit %s", cgit_version);
469 html("</div>\n");
470 }
471 html("</body>\n</html>\n");
472}
473
474int print_branch_option(const char *refname, const unsigned char *sha1,
475 int flags, void *cb_data)
476{
477 char *name = (char *)refname;
478 html_option(name, name, ctx.qry.head);
479 return 0;
480}
481
482int print_archive_ref(const char *refname, const unsigned char *sha1,
483 int flags, void *cb_data)
484{
485 struct tag *tag;
486 struct taginfo *info;
487 struct object *obj;
488 char buf[256], *url;
489 unsigned char fileid[20];
490 int *header = (int *)cb_data;
491
492 if (prefixcmp(refname, "refs/archives"))
493 return 0;
494 strncpy(buf, refname+14, sizeof(buf));
495 obj = parse_object(sha1);
496 if (!obj)
497 return 1;
498 if (obj->type == OBJ_TAG) {
499 tag = lookup_tag(sha1);
500 if (!tag || parse_tag(tag) || !(info = cgit_parse_tag(tag)))
501 return 0;
502 hashcpy(fileid, tag->tagged->sha1);
503 } else if (obj->type != OBJ_BLOB) {
504 return 0;
505 } else {
506 hashcpy(fileid, sha1);
507 }
508 if (!*header) {
509 html("<h1>download</h1>\n");
510 *header = 1;
511 }
512 url = cgit_pageurl(ctx.qry.repo, "blob",
513 fmt("id=%s&path=%s", sha1_to_hex(fileid),
514 buf));
515 html_link_open(url, NULL, "menu");
516 html_txt(strlpart(buf, 20));
517 html_link_close();
518 return 0;
519}
520
521void add_hidden_formfields(int incl_head, int incl_search, char *page)
522{
523 char *url;
524
525 if (!ctx.cfg.virtual_root) {
526 url = fmt("%s/%s", ctx.qry.repo, page);
527 if (ctx.qry.path)
528 url = fmt("%s/%s", url, ctx.qry.path);
529 html_hidden("url", url);
530 }
531
532 if (incl_head && ctx.qry.head && ctx.repo->defbranch &&
533 strcmp(ctx.qry.head, ctx.repo->defbranch))
534 html_hidden("h", ctx.qry.head);
535
536 if (ctx.qry.sha1)
537 html_hidden("id", ctx.qry.sha1);
538 if (ctx.qry.sha2)
539 html_hidden("id2", ctx.qry.sha2);
540
541 if (incl_search) {
542 if (ctx.qry.grep)
543 html_hidden("qt", ctx.qry.grep);
544 if (ctx.qry.search)
545 html_hidden("q", ctx.qry.search);
546 }
547}
548
549char *hc(struct cgit_cmd *cmd, const char *page)
550{
551 return (strcmp(cmd->name, page) ? NULL : "active");
552}
553
554void cgit_print_pageheader(struct cgit_context *ctx)
555{
556 struct cgit_cmd *cmd = cgit_get_cmd(ctx);
557
558 html("<table id='header'>\n");
559 html("<tr>\n");
560 html("<td class='logo' rowspan='2'><a href='");
561 if (ctx->cfg.logo_link)
562 html_attr(ctx->cfg.logo_link);
563 else
564 html_attr(cgit_rooturl());
565 html("'><img src='");
566 html_attr(ctx->cfg.logo);
567 html("' alt='cgit logo'/></a></td>\n");
568
569 html("<td class='main'>");
570 if (ctx->repo) {
571 cgit_index_link("index", NULL, NULL, NULL, 0);
572 html(" : ");
573 reporevlink(NULL, ctx->repo->name, NULL, hc(cmd, "summary"),
574 ctx->qry.head, NULL, NULL);
575 html("</td><td class='form'>");
576 html("<form method='get' action=''>\n");
577 add_hidden_formfields(0, 1, ctx->qry.page);
578 html("<select name='h' onchange='this.form.submit();'>\n");
579 for_each_branch_ref(print_branch_option, ctx->qry.head);
580 html("</select> ");
581 html("<input type='submit' name='' value='switch'/>");
582 html("</form>");
583 } else
584 html_txt(ctx->cfg.root_title);
585 html("</td></tr>\n");
586
587 html("<tr><td class='sub'>");
588 if (ctx->repo) {
589 html_txt(ctx->repo->desc);
590 html("</td><td class='sub right'>");
591 html_txt(ctx->repo->owner);
592 } else {
593 if (ctx->cfg.root_desc)
594 html_txt(ctx->cfg.root_desc);
595 else if (ctx->cfg.index_info)
596 html_include(ctx->cfg.index_info);
597 }
598 html("</td></tr></table>\n");
599
600 html("<table class='tabs'><tr><td>\n");
601 if (ctx->repo) {
602 reporevlink(NULL, "summary", NULL, hc(cmd, "summary"),
603 ctx->qry.head, NULL, NULL);
604 cgit_refs_link("refs", NULL, hc(cmd, "refs"), ctx->qry.head,
605 ctx->qry.sha1, NULL);
606 cgit_log_link("log", NULL, hc(cmd, "log"), ctx->qry.head,
607 NULL, NULL, 0, NULL, NULL);
608 cgit_tree_link("tree", NULL, hc(cmd, "tree"), ctx->qry.head,
609 ctx->qry.sha1, NULL);
610 cgit_commit_link("commit", NULL, hc(cmd, "commit"),
611 ctx->qry.head, ctx->qry.sha1);
612 cgit_diff_link("diff", NULL, hc(cmd, "diff"), ctx->qry.head,
613 ctx->qry.sha1, ctx->qry.sha2, NULL);
614 if (ctx->repo->readme)
615 reporevlink("about", "about", NULL,
616 hc(cmd, "about"), ctx->qry.head, NULL,
617 NULL);
618 html("</td><td class='form'>");
619 html("<form class='right' method='get' action='");
620 if (ctx->cfg.virtual_root)
621 html_attr(cgit_fileurl(ctx->qry.repo, "log",
622 ctx->qry.path, NULL));
623 html("'>\n");
624 add_hidden_formfields(1, 0, "log");
625 html("<select name='qt'>\n");
626 html_option("grep", "log msg", ctx->qry.grep);
627 html_option("author", "author", ctx->qry.grep);
628 html_option("committer", "committer", ctx->qry.grep);
629 html("</select>\n");
630 html("<input class='txt' type='text' size='10' name='q' value='");
631 html_attr(ctx->qry.search);
632 html("'/>\n");
633 html("<input type='submit' value='search'/>\n");
634 html("</form>\n");
635 } else {
636 site_link(NULL, "index", NULL, hc(cmd, "repolist"), NULL, 0);
637 if (ctx->cfg.root_readme)
638 site_link("about", "about", NULL, hc(cmd, "about"),
639 NULL, 0);
640 html("</td><td class='form'>");
641 html("<form method='get' action='");
642 html_attr(cgit_rooturl());
643 html("'>\n");
644 html("<input type='text' name='q' size='10' value='");
645 html_attr(ctx->qry.search);
646 html("'/>\n");
647 html("<input type='submit' value='search'/>\n");
648 html("</form>");
649 }
650 html("</td></tr></table>\n");
651 html("<div class='content'>");
652}
653
654void cgit_print_filemode(unsigned short mode)
655{
656 if (S_ISDIR(mode))
657 html("d");
658 else if (S_ISLNK(mode))
659 html("l");
660 else if (S_ISGITLINK(mode))
661 html("m");
662 else
663 html("-");
664 html_fileperm(mode >> 6);
665 html_fileperm(mode >> 3);
666 html_fileperm(mode);
667}
668
669void cgit_print_snapshot_links(const char *repo, const char *head,
670 const char *hex, int snapshots)
671{
672 const struct cgit_snapshot_format* f;
673 char *filename;
674
675 for (f = cgit_snapshot_formats; f->suffix; f++) {
676 if (!(snapshots & f->bit))
677 continue;
678 filename = fmt("%s-%s%s", cgit_repobasename(repo), hex,
679 f->suffix);
680 cgit_snapshot_link(filename, NULL, NULL, (char *)head,
681 (char *)hex, filename);
682 html("<br/>");
683 }
684}