]> gitweb.ps.run Git - ps-cgit/blob - ui-shared.c
Merge branch 'html-updates' of git://github.com/MarkLodato/cgit
[ps-cgit] / ui-shared.c
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
13 const 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
17 static 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", "Nov", "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
30 void cgit_print_error(char *msg)
31 {
32         html("<div class='error'>");
33         html_txt(msg);
34         html("</div>\n");
35 }
36
37 char *cgit_httpscheme()
38 {
39         if (ctx.env.https && !strcmp(ctx.env.https, "on"))
40                 return "https://";
41         else
42                 return "http://";
43 }
44
45 char *cgit_hosturl()
46 {
47         if (ctx.env.http_host)
48                 return ctx.env.http_host;
49         if (!ctx.env.server_name)
50                 return NULL;
51         if (!ctx.env.server_port || atoi(ctx.env.server_port) == 80)
52                 return ctx.env.server_name;
53         return xstrdup(fmt("%s:%s", ctx.env.server_name, ctx.env.server_port));
54 }
55
56 char *cgit_rooturl()
57 {
58         if (ctx.cfg.virtual_root)
59                 return fmt("%s/", ctx.cfg.virtual_root);
60         else
61                 return ctx.cfg.script_name;
62 }
63
64 char *cgit_repourl(const char *reponame)
65 {
66         if (ctx.cfg.virtual_root) {
67                 return fmt("%s/%s/", ctx.cfg.virtual_root, reponame);
68         } else {
69                 return fmt("?r=%s", reponame);
70         }
71 }
72
73 char *cgit_fileurl(const char *reponame, const char *pagename,
74                    const char *filename, const char *query)
75 {
76         char *tmp;
77         char *delim;
78
79         if (ctx.cfg.virtual_root) {
80                 tmp = fmt("%s/%s/%s/%s", ctx.cfg.virtual_root, reponame,
81                           pagename, (filename ? filename:""));
82                 delim = "?";
83         } else {
84                 tmp = fmt("?url=%s/%s/%s", reponame, pagename,
85                           (filename ? filename : ""));
86                 delim = "&";
87         }
88         if (query)
89                 tmp = fmt("%s%s%s", tmp, delim, query);
90         return tmp;
91 }
92
93 char *cgit_pageurl(const char *reponame, const char *pagename,
94                    const char *query)
95 {
96         return cgit_fileurl(reponame,pagename,0,query);
97 }
98
99 const char *cgit_repobasename(const char *reponame)
100 {
101         /* I assume we don't need to store more than one repo basename */
102         static char rvbuf[1024];
103         int p;
104         const char *rv;
105         strncpy(rvbuf,reponame,sizeof(rvbuf));
106         if(rvbuf[sizeof(rvbuf)-1])
107                 die("cgit_repobasename: truncated repository name '%s'", reponame);
108         p = strlen(rvbuf)-1;
109         /* strip trailing slashes */
110         while(p && rvbuf[p]=='/') rvbuf[p--]=0;
111         /* strip trailing .git */
112         if(p>=3 && !strncmp(&rvbuf[p-3],".git",4)) {
113                 p -= 3; rvbuf[p--] = 0;
114         }
115         /* strip more trailing slashes if any */
116         while( p && rvbuf[p]=='/') rvbuf[p--]=0;
117         /* find last slash in the remaining string */
118         rv = strrchr(rvbuf,'/');
119         if(rv)
120                 return ++rv;
121         return rvbuf;
122 }
123
124 char *cgit_currurl()
125 {
126         if (!ctx.cfg.virtual_root)
127                 return ctx.cfg.script_name;
128         else if (ctx.qry.page)
129                 return fmt("%s/%s/%s/", ctx.cfg.virtual_root, ctx.qry.repo, ctx.qry.page);
130         else if (ctx.qry.repo)
131                 return fmt("%s/%s/", ctx.cfg.virtual_root, ctx.qry.repo);
132         else
133                 return fmt("%s/", ctx.cfg.virtual_root);
134 }
135
136 static void site_url(char *page, char *search, int ofs)
137 {
138         char *delim = "?";
139
140         if (ctx.cfg.virtual_root) {
141                 html_attr(ctx.cfg.virtual_root);
142                 if (ctx.cfg.virtual_root[strlen(ctx.cfg.virtual_root) - 1] != '/')
143                         html("/");
144         } else
145                 html(ctx.cfg.script_name);
146
147         if (page) {
148                 htmlf("?p=%s", page);
149                 delim = "&";
150         }
151         if (search) {
152                 html(delim);
153                 html("q=");
154                 html_attr(search);
155                 delim = "&";
156         }
157         if (ofs) {
158                 html(delim);
159                 htmlf("ofs=%d", ofs);
160         }
161 }
162
163 static void site_link(char *page, char *name, char *title, char *class,
164                       char *search, int ofs)
165 {
166         html("<a");
167         if (title) {
168                 html(" title='");
169                 html_attr(title);
170                 html("'");
171         }
172         if (class) {
173                 html(" class='");
174                 html_attr(class);
175                 html("'");
176         }
177         html(" href='");
178         site_url(page, search, ofs);
179         html("'>");
180         html_txt(name);
181         html("</a>");
182 }
183
184 void cgit_index_link(char *name, char *title, char *class, char *pattern,
185                      int ofs)
186 {
187         site_link(NULL, name, title, class, pattern, ofs);
188 }
189
190 static char *repolink(char *title, char *class, char *page, char *head,
191                       char *path)
192 {
193         char *delim = "?";
194
195         html("<a");
196         if (title) {
197                 html(" title='");
198                 html_attr(title);
199                 html("'");
200         }
201         if (class) {
202                 html(" class='");
203                 html_attr(class);
204                 html("'");
205         }
206         html(" href='");
207         if (ctx.cfg.virtual_root) {
208                 html_url_path(ctx.cfg.virtual_root);
209                 if (ctx.cfg.virtual_root[strlen(ctx.cfg.virtual_root) - 1] != '/')
210                         html("/");
211                 html_url_path(ctx.repo->url);
212                 if (ctx.repo->url[strlen(ctx.repo->url) - 1] != '/')
213                         html("/");
214                 if (page) {
215                         html_url_path(page);
216                         html("/");
217                         if (path)
218                                 html_url_path(path);
219                 }
220         } else {
221                 html(ctx.cfg.script_name);
222                 html("?url=");
223                 html_url_arg(ctx.repo->url);
224                 if (ctx.repo->url[strlen(ctx.repo->url) - 1] != '/')
225                         html("/");
226                 if (page) {
227                         html_url_arg(page);
228                         html("/");
229                         if (path)
230                                 html_url_arg(path);
231                 }
232                 delim = "&amp;";
233         }
234         if (head && strcmp(head, ctx.repo->defbranch)) {
235                 html(delim);
236                 html("h=");
237                 html_url_arg(head);
238                 delim = "&amp;";
239         }
240         return fmt("%s", delim);
241 }
242
243 static void reporevlink(char *page, char *name, char *title, char *class,
244                         char *head, char *rev, char *path)
245 {
246         char *delim;
247
248         delim = repolink(title, class, page, head, path);
249         if (rev && ctx.qry.head != NULL && strcmp(rev, ctx.qry.head)) {
250                 html(delim);
251                 html("id=");
252                 html_url_arg(rev);
253         }
254         html("'>");
255         html_txt(name);
256         html("</a>");
257 }
258
259 void cgit_summary_link(char *name, char *title, char *class, char *head)
260 {
261         reporevlink(NULL, name, title, class, head, NULL, NULL);
262 }
263
264 void cgit_tag_link(char *name, char *title, char *class, char *head,
265                    char *rev)
266 {
267         reporevlink("tag", name, title, class, head, rev, NULL);
268 }
269
270 void cgit_tree_link(char *name, char *title, char *class, char *head,
271                     char *rev, char *path)
272 {
273         reporevlink("tree", name, title, class, head, rev, path);
274 }
275
276 void cgit_plain_link(char *name, char *title, char *class, char *head,
277                      char *rev, char *path)
278 {
279         reporevlink("plain", name, title, class, head, rev, path);
280 }
281
282 void cgit_log_link(char *name, char *title, char *class, char *head,
283                    char *rev, char *path, int ofs, char *grep, char *pattern,
284                    int showmsg)
285 {
286         char *delim;
287
288         delim = repolink(title, class, "log", head, path);
289         if (rev && strcmp(rev, ctx.qry.head)) {
290                 html(delim);
291                 html("id=");
292                 html_url_arg(rev);
293                 delim = "&";
294         }
295         if (grep && pattern) {
296                 html(delim);
297                 html("qt=");
298                 html_url_arg(grep);
299                 delim = "&";
300                 html(delim);
301                 html("q=");
302                 html_url_arg(pattern);
303         }
304         if (ofs > 0) {
305                 html(delim);
306                 html("ofs=");
307                 htmlf("%d", ofs);
308                 delim = "&";
309         }
310         if (showmsg) {
311                 html(delim);
312                 html("showmsg=1");
313         }
314         html("'>");
315         html_txt(name);
316         html("</a>");
317 }
318
319 void cgit_commit_link(char *name, char *title, char *class, char *head,
320                       char *rev, int toggle_ssdiff)
321 {
322         if (strlen(name) > ctx.cfg.max_msg_len && ctx.cfg.max_msg_len >= 15) {
323                 name[ctx.cfg.max_msg_len] = '\0';
324                 name[ctx.cfg.max_msg_len - 1] = '.';
325                 name[ctx.cfg.max_msg_len - 2] = '.';
326                 name[ctx.cfg.max_msg_len - 3] = '.';
327         }
328
329         char *delim;
330
331         delim = repolink(title, class, "commit", head, NULL);
332         if (rev && strcmp(rev, ctx.qry.head)) {
333                 html(delim);
334                 html("id=");
335                 html_url_arg(rev);
336                 delim = "&amp;";
337         }
338         if ((ctx.qry.ssdiff && !toggle_ssdiff) || (!ctx.qry.ssdiff && toggle_ssdiff)) {
339                 html(delim);
340                 html("ss=1");
341         }
342         html("'>");
343         html_txt(name);
344         html("</a>");
345 }
346
347 void cgit_refs_link(char *name, char *title, char *class, char *head,
348                     char *rev, char *path)
349 {
350         reporevlink("refs", name, title, class, head, rev, path);
351 }
352
353 void cgit_snapshot_link(char *name, char *title, char *class, char *head,
354                         char *rev, char *archivename)
355 {
356         reporevlink("snapshot", name, title, class, head, rev, archivename);
357 }
358
359 void cgit_diff_link(char *name, char *title, char *class, char *head,
360                     char *new_rev, char *old_rev, char *path,
361                     int toggle_ssdiff)
362 {
363         char *delim;
364
365         delim = repolink(title, class, "diff", head, path);
366         if (new_rev && ctx.qry.head != NULL && strcmp(new_rev, ctx.qry.head)) {
367                 html(delim);
368                 html("id=");
369                 html_url_arg(new_rev);
370                 delim = "&amp;";
371         }
372         if (old_rev) {
373                 html(delim);
374                 html("id2=");
375                 html_url_arg(old_rev);
376                 delim = "&amp;";
377         }
378         if ((ctx.qry.ssdiff && !toggle_ssdiff) || (!ctx.qry.ssdiff && toggle_ssdiff)) {
379                 html(delim);
380                 html("ss=1");
381         }
382         html("'>");
383         html_txt(name);
384         html("</a>");
385 }
386
387 void cgit_patch_link(char *name, char *title, char *class, char *head,
388                      char *rev)
389 {
390         reporevlink("patch", name, title, class, head, rev, NULL);
391 }
392
393 void cgit_stats_link(char *name, char *title, char *class, char *head,
394                      char *path)
395 {
396         reporevlink("stats", name, title, class, head, NULL, path);
397 }
398
399 void cgit_object_link(struct object *obj)
400 {
401         char *page, *shortrev, *fullrev, *name;
402
403         fullrev = sha1_to_hex(obj->sha1);
404         shortrev = xstrdup(fullrev);
405         shortrev[10] = '\0';
406         if (obj->type == OBJ_COMMIT) {
407                 cgit_commit_link(fmt("commit %s...", shortrev), NULL, NULL,
408                                  ctx.qry.head, fullrev, 0);
409                 return;
410         } else if (obj->type == OBJ_TREE)
411                 page = "tree";
412         else if (obj->type == OBJ_TAG)
413                 page = "tag";
414         else
415                 page = "blob";
416         name = fmt("%s %s...", typename(obj->type), shortrev);
417         reporevlink(page, name, NULL, NULL, ctx.qry.head, fullrev, NULL);
418 }
419
420 void cgit_print_date(time_t secs, char *format, int local_time)
421 {
422         char buf[64];
423         struct tm *time;
424
425         if (!secs)
426                 return;
427         if(local_time)
428                 time = localtime(&secs);
429         else
430                 time = gmtime(&secs);
431         strftime(buf, sizeof(buf)-1, format, time);
432         html_txt(buf);
433 }
434
435 void cgit_print_age(time_t t, time_t max_relative, char *format)
436 {
437         time_t now, secs;
438
439         if (!t)
440                 return;
441         time(&now);
442         secs = now - t;
443
444         if (secs > max_relative && max_relative >= 0) {
445                 cgit_print_date(t, format, ctx.cfg.local_time);
446                 return;
447         }
448
449         if (secs < TM_HOUR * 2) {
450                 htmlf("<span class='age-mins'>%.0f min.</span>",
451                       secs * 1.0 / TM_MIN);
452                 return;
453         }
454         if (secs < TM_DAY * 2) {
455                 htmlf("<span class='age-hours'>%.0f hours</span>",
456                       secs * 1.0 / TM_HOUR);
457                 return;
458         }
459         if (secs < TM_WEEK * 2) {
460                 htmlf("<span class='age-days'>%.0f days</span>",
461                       secs * 1.0 / TM_DAY);
462                 return;
463         }
464         if (secs < TM_MONTH * 2) {
465                 htmlf("<span class='age-weeks'>%.0f weeks</span>",
466                       secs * 1.0 / TM_WEEK);
467                 return;
468         }
469         if (secs < TM_YEAR * 2) {
470                 htmlf("<span class='age-months'>%.0f months</span>",
471                       secs * 1.0 / TM_MONTH);
472                 return;
473         }
474         htmlf("<span class='age-years'>%.0f years</span>",
475               secs * 1.0 / TM_YEAR);
476 }
477
478 void cgit_print_http_headers(struct cgit_context *ctx)
479 {
480         if (ctx->env.no_http && !strcmp(ctx->env.no_http, "1"))
481                 return;
482
483         if (ctx->page.status)
484                 htmlf("Status: %d %s\n", ctx->page.status, ctx->page.statusmsg);
485         if (ctx->page.mimetype && ctx->page.charset)
486                 htmlf("Content-Type: %s; charset=%s\n", ctx->page.mimetype,
487                       ctx->page.charset);
488         else if (ctx->page.mimetype)
489                 htmlf("Content-Type: %s\n", ctx->page.mimetype);
490         if (ctx->page.size)
491                 htmlf("Content-Length: %ld\n", ctx->page.size);
492         if (ctx->page.filename)
493                 htmlf("Content-Disposition: inline; filename=\"%s\"\n",
494                       ctx->page.filename);
495         htmlf("Last-Modified: %s\n", http_date(ctx->page.modified));
496         htmlf("Expires: %s\n", http_date(ctx->page.expires));
497         if (ctx->page.etag)
498                 htmlf("ETag: \"%s\"\n", ctx->page.etag);
499         html("\n");
500         if (ctx->env.request_method && !strcmp(ctx->env.request_method, "HEAD"))
501                 exit(0);
502 }
503
504 void cgit_print_docstart(struct cgit_context *ctx)
505 {
506         if (ctx->cfg.embedded) {
507                 if (ctx->cfg.header)
508                         html_include(ctx->cfg.header);
509                 return;
510         }
511
512         char *host = cgit_hosturl();
513         html(cgit_doctype);
514         html("<html xmlns='http://www.w3.org/1999/xhtml' xml:lang='en' lang='en'>\n");
515         html("<head>\n");
516         html("<title>");
517         html_txt(ctx->page.title);
518         html("</title>\n");
519         htmlf("<meta name='generator' content='cgit %s'/>\n", cgit_version);
520         if (ctx->cfg.robots && *ctx->cfg.robots)
521                 htmlf("<meta name='robots' content='%s'/>\n", ctx->cfg.robots);
522         html("<link rel='stylesheet' type='text/css' href='");
523         html_attr(ctx->cfg.css);
524         html("'/>\n");
525         if (ctx->cfg.favicon) {
526                 html("<link rel='shortcut icon' href='");
527                 html_attr(ctx->cfg.favicon);
528                 html("'/>\n");
529         }
530         if (host && ctx->repo) {
531                 html("<link rel='alternate' title='Atom feed' href='");
532                 html(cgit_httpscheme());
533                 html_attr(cgit_hosturl());
534                 html_attr(cgit_fileurl(ctx->repo->url, "atom", ctx->qry.path,
535                                        fmt("h=%s", ctx->qry.head)));
536                 html("' type='application/atom+xml'/>\n");
537         }
538         if (ctx->cfg.head_include)
539                 html_include(ctx->cfg.head_include);
540         html("</head>\n");
541         html("<body>\n");
542         if (ctx->cfg.header)
543                 html_include(ctx->cfg.header);
544 }
545
546 void cgit_print_docend()
547 {
548         html("</div> <!-- class=content -->\n");
549         if (ctx.cfg.embedded) {
550                 html("</div> <!-- id=cgit -->\n");
551                 if (ctx.cfg.footer)
552                         html_include(ctx.cfg.footer);
553                 return;
554         }
555         if (ctx.cfg.footer)
556                 html_include(ctx.cfg.footer);
557         else {
558                 htmlf("<div class='footer'>generated  by cgit %s at ",
559                         cgit_version);
560                 cgit_print_date(time(NULL), FMT_LONGDATE, ctx.cfg.local_time);
561                 html("</div>\n");
562         }
563         html("</div> <!-- id=cgit -->\n");
564         html("</body>\n</html>\n");
565 }
566
567 int print_branch_option(const char *refname, const unsigned char *sha1,
568                         int flags, void *cb_data)
569 {
570         char *name = (char *)refname;
571         html_option(name, name, ctx.qry.head);
572         return 0;
573 }
574
575 int print_archive_ref(const char *refname, const unsigned char *sha1,
576                        int flags, void *cb_data)
577 {
578         struct tag *tag;
579         struct taginfo *info;
580         struct object *obj;
581         char buf[256], *url;
582         unsigned char fileid[20];
583         int *header = (int *)cb_data;
584
585         if (prefixcmp(refname, "refs/archives"))
586                 return 0;
587         strncpy(buf, refname+14, sizeof(buf));
588         obj = parse_object(sha1);
589         if (!obj)
590                 return 1;
591         if (obj->type == OBJ_TAG) {
592                 tag = lookup_tag(sha1);
593                 if (!tag || parse_tag(tag) || !(info = cgit_parse_tag(tag)))
594                         return 0;
595                 hashcpy(fileid, tag->tagged->sha1);
596         } else if (obj->type != OBJ_BLOB) {
597                 return 0;
598         } else {
599                 hashcpy(fileid, sha1);
600         }
601         if (!*header) {
602                 html("<h1>download</h1>\n");
603                 *header = 1;
604         }
605         url = cgit_pageurl(ctx.qry.repo, "blob",
606                            fmt("id=%s&amp;path=%s", sha1_to_hex(fileid),
607                                buf));
608         html_link_open(url, NULL, "menu");
609         html_txt(strlpart(buf, 20));
610         html_link_close();
611         return 0;
612 }
613
614 void cgit_add_hidden_formfields(int incl_head, int incl_search, char *page)
615 {
616         char *url;
617
618         if (!ctx.cfg.virtual_root) {
619                 url = fmt("%s/%s", ctx.qry.repo, page);
620                 if (ctx.qry.path)
621                         url = fmt("%s/%s", url, ctx.qry.path);
622                 html_hidden("url", url);
623         }
624
625         if (incl_head && ctx.qry.head && ctx.repo->defbranch &&
626             strcmp(ctx.qry.head, ctx.repo->defbranch))
627                 html_hidden("h", ctx.qry.head);
628
629         if (ctx.qry.sha1)
630                 html_hidden("id", ctx.qry.sha1);
631         if (ctx.qry.sha2)
632                 html_hidden("id2", ctx.qry.sha2);
633         if (ctx.qry.showmsg)
634                 html_hidden("showmsg", "1");
635
636         if (incl_search) {
637                 if (ctx.qry.grep)
638                         html_hidden("qt", ctx.qry.grep);
639                 if (ctx.qry.search)
640                         html_hidden("q", ctx.qry.search);
641         }
642 }
643
644 const char *fallback_cmd = "repolist";
645
646 char *hc(struct cgit_cmd *cmd, const char *page)
647 {
648         return (strcmp(cmd ? cmd->name : fallback_cmd, page) ? NULL : "active");
649 }
650
651 static void print_header(struct cgit_context *ctx)
652 {
653         html("<table id='header'>\n");
654         html("<tr>\n");
655
656         if (ctx->cfg.logo && ctx->cfg.logo[0] != 0) {
657                 html("<td class='logo' rowspan='2'><a href='");
658                 if (ctx->cfg.logo_link)
659                         html_attr(ctx->cfg.logo_link);
660                 else
661                         html_attr(cgit_rooturl());
662                 html("'><img src='");
663                 html_attr(ctx->cfg.logo);
664                 html("' alt='cgit logo'/></a></td>\n");
665         }
666
667         html("<td class='main'>");
668         if (ctx->repo) {
669                 cgit_index_link("index", NULL, NULL, NULL, 0);
670                 html(" : ");
671                 cgit_summary_link(ctx->repo->name, ctx->repo->name, NULL, NULL);
672                 html("</td><td class='form'>");
673                 html("<form method='get' action=''>\n");
674                 cgit_add_hidden_formfields(0, 1, ctx->qry.page);
675                 html("<select name='h' onchange='this.form.submit();'>\n");
676                 for_each_branch_ref(print_branch_option, ctx->qry.head);
677                 html("</select> ");
678                 html("<input type='submit' name='' value='switch'/>");
679                 html("</form>");
680         } else
681                 html_txt(ctx->cfg.root_title);
682         html("</td></tr>\n");
683
684         html("<tr><td class='sub'>");
685         if (ctx->repo) {
686                 html_txt(ctx->repo->desc);
687                 html("</td><td class='sub right'>");
688                 html_txt(ctx->repo->owner);
689         } else {
690                 if (ctx->cfg.root_desc)
691                         html_txt(ctx->cfg.root_desc);
692                 else if (ctx->cfg.index_info)
693                         html_include(ctx->cfg.index_info);
694         }
695         html("</td></tr></table>\n");
696 }
697
698 void cgit_print_pageheader(struct cgit_context *ctx)
699 {
700         struct cgit_cmd *cmd = cgit_get_cmd(ctx);
701
702         if (!cmd && ctx->repo)
703                 fallback_cmd = "summary";
704
705         html("<div id='cgit'>");
706         if (!ctx->cfg.noheader)
707                 print_header(ctx);
708
709         html("<table class='tabs'><tr><td>\n");
710         if (ctx->repo) {
711                 cgit_summary_link("summary", NULL, hc(cmd, "summary"),
712                                   ctx->qry.head);
713                 cgit_refs_link("refs", NULL, hc(cmd, "refs"), ctx->qry.head,
714                                ctx->qry.sha1, NULL);
715                 cgit_log_link("log", NULL, hc(cmd, "log"), ctx->qry.head,
716                               NULL, NULL, 0, NULL, NULL, ctx->qry.showmsg);
717                 cgit_tree_link("tree", NULL, hc(cmd, "tree"), ctx->qry.head,
718                                ctx->qry.sha1, NULL);
719                 cgit_commit_link("commit", NULL, hc(cmd, "commit"),
720                                  ctx->qry.head, ctx->qry.sha1, 0);
721                 cgit_diff_link("diff", NULL, hc(cmd, "diff"), ctx->qry.head,
722                                ctx->qry.sha1, ctx->qry.sha2, NULL, 0);
723                 if (ctx->repo->max_stats)
724                         cgit_stats_link("stats", NULL, hc(cmd, "stats"),
725                                         ctx->qry.head, NULL);
726                 if (ctx->repo->readme)
727                         reporevlink("about", "about", NULL,
728                                     hc(cmd, "about"), ctx->qry.head, NULL,
729                                     NULL);
730                 html("</td><td class='form'>");
731                 html("<form class='right' method='get' action='");
732                 if (ctx->cfg.virtual_root)
733                         html_url_path(cgit_fileurl(ctx->qry.repo, "log",
734                                                    ctx->qry.path, NULL));
735                 html("'>\n");
736                 cgit_add_hidden_formfields(1, 0, "log");
737                 html("<select name='qt'>\n");
738                 html_option("grep", "log msg", ctx->qry.grep);
739                 html_option("author", "author", ctx->qry.grep);
740                 html_option("committer", "committer", ctx->qry.grep);
741                 html("</select>\n");
742                 html("<input class='txt' type='text' size='10' name='q' value='");
743                 html_attr(ctx->qry.search);
744                 html("'/>\n");
745                 html("<input type='submit' value='search'/>\n");
746                 html("</form>\n");
747         } else {
748                 site_link(NULL, "index", NULL, hc(cmd, "repolist"), NULL, 0);
749                 if (ctx->cfg.root_readme)
750                         site_link("about", "about", NULL, hc(cmd, "about"),
751                                   NULL, 0);
752                 html("</td><td class='form'>");
753                 html("<form method='get' action='");
754                 html_attr(cgit_rooturl());
755                 html("'>\n");
756                 html("<input type='text' name='q' size='10' value='");
757                 html_attr(ctx->qry.search);
758                 html("'/>\n");
759                 html("<input type='submit' value='search'/>\n");
760                 html("</form>");
761         }
762         html("</td></tr></table>\n");
763         html("<div class='content'>");
764 }
765
766 void cgit_print_filemode(unsigned short mode)
767 {
768         if (S_ISDIR(mode))
769                 html("d");
770         else if (S_ISLNK(mode))
771                 html("l");
772         else if (S_ISGITLINK(mode))
773                 html("m");
774         else
775                 html("-");
776         html_fileperm(mode >> 6);
777         html_fileperm(mode >> 3);
778         html_fileperm(mode);
779 }
780
781 void cgit_print_snapshot_links(const char *repo, const char *head,
782                                const char *hex, int snapshots)
783 {
784         const struct cgit_snapshot_format* f;
785         char *prefix;
786         char *filename;
787         unsigned char sha1[20];
788
789         if (get_sha1(fmt("refs/tags/%s", hex), sha1) == 0 &&
790             (hex[0] == 'v' || hex[0] == 'V') && isdigit(hex[1]))
791                 hex++;
792         prefix = xstrdup(fmt("%s-%s", cgit_repobasename(repo), hex));
793         for (f = cgit_snapshot_formats; f->suffix; f++) {
794                 if (!(snapshots & f->bit))
795                         continue;
796                 filename = fmt("%s%s", prefix, f->suffix);
797                 cgit_snapshot_link(filename, NULL, NULL, NULL, NULL, filename);
798                 html("<br/>");
799         }
800 }