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