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 char *repolink(char *title, char *class, char *page, char *head,
118 char *path)
119{
120 char *delim = "?";
121
122 html("<a");
123 if (title) {
124 html(" title='");
125 html_attr(title);
126 html("'");
127 }
128 if (class) {
129 html(" class='");
130 html_attr(class);
131 html("'");
132 }
133 html(" href='");
134 if (ctx.cfg.virtual_root) {
135 html_attr(ctx.cfg.virtual_root);
136 if (ctx.cfg.virtual_root[strlen(ctx.cfg.virtual_root) - 1] != '/')
137 html("/");
138 html_attr(ctx.repo->url);
139 if (ctx.repo->url[strlen(ctx.repo->url) - 1] != '/')
140 html("/");
141 if (page) {
142 html(page);
143 html("/");
144 if (path)
145 html_attr(path);
146 }
147 } else {
148 html(ctx.cfg.script_name);
149 html("?url=");
150 html_attr(ctx.repo->url);
151 if (ctx.repo->url[strlen(ctx.repo->url) - 1] != '/')
152 html("/");
153 if (page) {
154 html(page);
155 html("/");
156 if (path)
157 html_attr(path);
158 }
159 delim = "&";
160 }
161 if (head && strcmp(head, ctx.repo->defbranch)) {
162 html(delim);
163 html("h=");
164 html_attr(head);
165 delim = "&";
166 }
167 return fmt("%s", delim);
168}
169
170static void reporevlink(char *page, char *name, char *title, char *class,
171 char *head, char *rev, char *path)
172{
173 char *delim;
174
175 delim = repolink(title, class, page, head, path);
176 if (rev && strcmp(rev, ctx.qry.head)) {
177 html(delim);
178 html("id=");
179 html_attr(rev);
180 }
181 html("'>");
182 html_txt(name);
183 html("</a>");
184}
185
186void cgit_tree_link(char *name, char *title, char *class, char *head,
187 char *rev, char *path)
188{
189 reporevlink("tree", name, title, class, head, rev, path);
190}
191
192void cgit_log_link(char *name, char *title, char *class, char *head,
193 char *rev, char *path, int ofs, char *grep, char *pattern)
194{
195 char *delim;
196
197 delim = repolink(title, class, "log", head, path);
198 if (rev && strcmp(rev, ctx.qry.head)) {
199 html(delim);
200 html("id=");
201 html_attr(rev);
202 delim = "&";
203 }
204 if (grep && pattern) {
205 html(delim);
206 html("qt=");
207 html_attr(grep);
208 delim = "&";
209 html(delim);
210 html("q=");
211 html_attr(pattern);
212 }
213 if (ofs > 0) {
214 html(delim);
215 html("ofs=");
216 htmlf("%d", ofs);
217 }
218 html("'>");
219 html_txt(name);
220 html("</a>");
221}
222
223void cgit_commit_link(char *name, char *title, char *class, char *head,
224 char *rev)
225{
226 if (strlen(name) > ctx.cfg.max_msg_len && ctx.cfg.max_msg_len >= 15) {
227 name[ctx.cfg.max_msg_len] = '\0';
228 name[ctx.cfg.max_msg_len - 1] = '.';
229 name[ctx.cfg.max_msg_len - 2] = '.';
230 name[ctx.cfg.max_msg_len - 3] = '.';
231 }
232 reporevlink("commit", name, title, class, head, rev, NULL);
233}
234
235void cgit_refs_link(char *name, char *title, char *class, char *head,
236 char *rev, char *path)
237{
238 reporevlink("refs", name, title, class, head, rev, path);
239}
240
241void cgit_snapshot_link(char *name, char *title, char *class, char *head,
242 char *rev, char *archivename)
243{
244 reporevlink("snapshot", name, title, class, head, rev, archivename);
245}
246
247void cgit_diff_link(char *name, char *title, char *class, char *head,
248 char *new_rev, char *old_rev, char *path)
249{
250 char *delim;
251
252 delim = repolink(title, class, "diff", head, path);
253 if (new_rev && strcmp(new_rev, ctx.qry.head)) {
254 html(delim);
255 html("id=");
256 html_attr(new_rev);
257 delim = "&";
258 }
259 if (old_rev) {
260 html(delim);
261 html("id2=");
262 html_attr(old_rev);
263 }
264 html("'>");
265 html_txt(name);
266 html("</a>");
267}
268
269void cgit_patch_link(char *name, char *title, char *class, char *head,
270 char *rev)
271{
272 reporevlink("patch", name, title, class, head, rev, NULL);
273}
274
275void cgit_object_link(struct object *obj)
276{
277 char *page, *arg, *url;
278
279 if (obj->type == OBJ_COMMIT) {
280 cgit_commit_link(fmt("commit %s", sha1_to_hex(obj->sha1)), NULL, NULL,
281 ctx.qry.head, sha1_to_hex(obj->sha1));
282 return;
283 } else if (obj->type == OBJ_TREE) {
284 page = "tree";
285 arg = "id";
286 } else if (obj->type == OBJ_TAG) {
287 page = "tag";
288 arg = "id";
289 } else {
290 page = "blob";
291 arg = "id";
292 }
293
294 url = cgit_pageurl(ctx.qry.repo, page,
295 fmt("%s=%s", arg, sha1_to_hex(obj->sha1)));
296 html_link_open(url, NULL, NULL);
297 htmlf("%s %s", typename(obj->type),
298 sha1_to_hex(obj->sha1));
299 html_link_close();
300}
301
302void cgit_print_date(time_t secs, char *format)
303{
304 char buf[64];
305 struct tm *time;
306
307 if (!secs)
308 return;
309 time = gmtime(&secs);
310 strftime(buf, sizeof(buf)-1, format, time);
311 html_txt(buf);
312}
313
314void cgit_print_age(time_t t, time_t max_relative, char *format)
315{
316 time_t now, secs;
317
318 if (!t)
319 return;
320 time(&now);
321 secs = now - t;
322
323 if (secs > max_relative && max_relative >= 0) {
324 cgit_print_date(t, format);
325 return;
326 }
327
328 if (secs < TM_HOUR * 2) {
329 htmlf("<span class='age-mins'>%.0f min.</span>",
330 secs * 1.0 / TM_MIN);
331 return;
332 }
333 if (secs < TM_DAY * 2) {
334 htmlf("<span class='age-hours'>%.0f hours</span>",
335 secs * 1.0 / TM_HOUR);
336 return;
337 }
338 if (secs < TM_WEEK * 2) {
339 htmlf("<span class='age-days'>%.0f days</span>",
340 secs * 1.0 / TM_DAY);
341 return;
342 }
343 if (secs < TM_MONTH * 2) {
344 htmlf("<span class='age-weeks'>%.0f weeks</span>",
345 secs * 1.0 / TM_WEEK);
346 return;
347 }
348 if (secs < TM_YEAR * 2) {
349 htmlf("<span class='age-months'>%.0f months</span>",
350 secs * 1.0 / TM_MONTH);
351 return;
352 }
353 htmlf("<span class='age-years'>%.0f years</span>",
354 secs * 1.0 / TM_YEAR);
355}
356
357void cgit_print_http_headers(struct cgit_context *ctx)
358{
359 if (ctx->page.mimetype && ctx->page.charset)
360 htmlf("Content-Type: %s; charset=%s\n", ctx->page.mimetype,
361 ctx->page.charset);
362 else if (ctx->page.mimetype)
363 htmlf("Content-Type: %s\n", ctx->page.mimetype);
364 if (ctx->page.filename)
365 htmlf("Content-Disposition: inline; filename=\"%s\"\n",
366 ctx->page.filename);
367 htmlf("Last-Modified: %s\n", http_date(ctx->page.modified));
368 htmlf("Expires: %s\n", http_date(ctx->page.expires));
369 html("\n");
370}
371
372void cgit_print_docstart(struct cgit_context *ctx)
373{
374 html(cgit_doctype);
375 html("<html xmlns='http://www.w3.org/1999/xhtml' xml:lang='en' lang='en'>\n");
376 html("<head>\n");
377 html("<title>");
378 html_txt(ctx->page.title);
379 html("</title>\n");
380 htmlf("<meta name='generator' content='cgit %s'/>\n", cgit_version);
381 if (ctx->cfg.robots && *ctx->cfg.robots)
382 htmlf("<meta name='robots' content='%s'/>\n", ctx->cfg.robots);
383 html("<link rel='stylesheet' type='text/css' href='");
384 html_attr(ctx->cfg.css);
385 html("'/>\n");
386 html("</head>\n");
387 html("<body>\n");
388}
389
390void cgit_print_docend()
391{
392 html("</div>\n</body>\n</html>\n");
393}
394
395int print_branch_option(const char *refname, const unsigned char *sha1,
396 int flags, void *cb_data)
397{
398 char *name = (char *)refname;
399 html_option(name, name, ctx.qry.head);
400 return 0;
401}
402
403int print_archive_ref(const char *refname, const unsigned char *sha1,
404 int flags, void *cb_data)
405{
406 struct tag *tag;
407 struct taginfo *info;
408 struct object *obj;
409 char buf[256], *url;
410 unsigned char fileid[20];
411 int *header = (int *)cb_data;
412
413 if (prefixcmp(refname, "refs/archives"))
414 return 0;
415 strncpy(buf, refname+14, sizeof(buf));
416 obj = parse_object(sha1);
417 if (!obj)
418 return 1;
419 if (obj->type == OBJ_TAG) {
420 tag = lookup_tag(sha1);
421 if (!tag || parse_tag(tag) || !(info = cgit_parse_tag(tag)))
422 return 0;
423 hashcpy(fileid, tag->tagged->sha1);
424 } else if (obj->type != OBJ_BLOB) {
425 return 0;
426 } else {
427 hashcpy(fileid, sha1);
428 }
429 if (!*header) {
430 html("<h1>download</h1>\n");
431 *header = 1;
432 }
433 url = cgit_pageurl(ctx.qry.repo, "blob",
434 fmt("id=%s&path=%s", sha1_to_hex(fileid),
435 buf));
436 html_link_open(url, NULL, "menu");
437 html_txt(strlpart(buf, 20));
438 html_link_close();
439 return 0;
440}
441
442void add_hidden_formfields(int incl_head, int incl_search, char *page)
443{
444 char *url;
445
446 if (!ctx.cfg.virtual_root) {
447 url = fmt("%s/%s", ctx.qry.repo, page);
448 if (ctx.qry.path)
449 url = fmt("%s/%s", url, ctx.qry.path);
450 html_hidden("url", url);
451 }
452
453 if (incl_head && strcmp(ctx.qry.head, ctx.repo->defbranch))
454 html_hidden("h", ctx.qry.head);
455
456 if (ctx.qry.sha1)
457 html_hidden("id", ctx.qry.sha1);
458 if (ctx.qry.sha2)
459 html_hidden("id2", ctx.qry.sha2);
460
461 if (incl_search) {
462 if (ctx.qry.grep)
463 html_hidden("qt", ctx.qry.grep);
464 if (ctx.qry.search)
465 html_hidden("q", ctx.qry.search);
466 }
467}
468
469char *hc(struct cgit_cmd *cmd, const char *page)
470{
471 return (strcmp(cmd->name, page) ? NULL : "active");
472}
473
474void cgit_print_pageheader(struct cgit_context *ctx)
475{
476 struct cgit_cmd *cmd = cgit_get_cmd(ctx);
477
478 html("<table id='header'>\n");
479 html("<tr>\n");
480 html("<td class='logo' rowspan='2'><a href='");
481 if (ctx->cfg.logo_link)
482 html_attr(ctx->cfg.logo_link);
483 else
484 html_attr(cgit_rooturl());
485 html("'><img src='");
486 html_attr(ctx->cfg.logo);
487 html("'/></a></td>\n");
488
489 html("<td class='main'>");
490 if (ctx->repo) {
491/*
492 html("<a href='");
493 html_attr(cgit_rooturl());
494 html("'>index</a> : ");
495*/
496 reporevlink(NULL, ctx->repo->name, NULL, hc(cmd, "summary"),
497 ctx->qry.head, NULL, NULL);
498 html(" : ");
499 html_txt(ctx->qry.page);
500 html("</td><td class='form'>");
501 html("<form method='get' action=''>\n");
502 add_hidden_formfields(0, 1, ctx->qry.page);
503 html("<select name='h' onchange='this.form.submit();'>\n");
504 for_each_branch_ref(print_branch_option, ctx->qry.head);
505 html("</select> ");
506 html("<input type='submit' name='' value='switch'/>");
507 html("</form>");
508 } else
509 html_txt(ctx->cfg.root_title);
510 html("</td>\n");
511
512 html("<tr><td class='sub'");
513 if (ctx->repo) {
514 html(" colspan='2'>");
515 html_txt(ctx->repo->desc);
516 }
517/*
518 else if (ctx->cfg.root_subtitle)
519 html_txt(ctx->cfg.root_subtitle);
520*/
521 else {
522 html(">");
523 html_txt("a fast webinterface for the git dscm");
524 }
525 html("</td></tr>\n");
526
527 html("</tr>\n");
528 html("</table>\n");
529
530 html("<table class='tabs'><tr><td>\n");
531 if (ctx->repo) {
532 reporevlink(NULL, "summary", NULL, hc(cmd, "summary"),
533 ctx->qry.head, NULL, NULL);
534 cgit_refs_link("refs", NULL, hc(cmd, "refs"), ctx->qry.head,
535 ctx->qry.sha1, NULL);
536 cgit_log_link("log", NULL, hc(cmd, "log"), ctx->qry.head,
537 NULL, NULL, 0, NULL, NULL);
538 cgit_tree_link("tree", NULL, hc(cmd, "tree"), ctx->qry.head,
539 ctx->qry.sha1, NULL);
540 cgit_commit_link("commit", NULL, hc(cmd, "commit"),
541 ctx->qry.head, ctx->qry.sha1);
542 cgit_diff_link("diff", NULL, hc(cmd, "diff"), ctx->qry.head,
543 ctx->qry.sha1, ctx->qry.sha2, NULL);
544 html("</td><td class='form'>");
545 html("<form class='right' method='get' action='");
546 if (ctx->cfg.virtual_root)
547 html_attr(cgit_fileurl(ctx->qry.repo, "log",
548 ctx->qry.path, NULL));
549 html("'>\n");
550 add_hidden_formfields(1, 0, "log");
551 html("<select name='qt'>\n");
552 html_option("grep", "log msg", ctx->qry.grep);
553 html_option("author", "author", ctx->qry.grep);
554 html_option("committer", "committer", ctx->qry.grep);
555 html("</select>\n");
556 html("<input class='txt' type='text' size='10' name='q' value='");
557 html_attr(ctx->qry.search);
558 html("'/>\n");
559 html("<input type='submit' value='search'/>\n");
560 html("</form>\n");
561 } else {
562 html("<a class='active' href='");
563 html_attr(cgit_rooturl());
564 html("'>index</a>\n");
565 html("</td><td class='form'>");
566 html("<form method='get' action='");
567 html_attr(cgit_rooturl());
568 html("'>\n");
569 html("<input type='text' name='q' size='10' value='");
570 html_attr(ctx->qry.search);
571 html("'/>\n");
572 html("<input type='submit' value='search'/>\n");
573 html("</form>");
574 }
575 html("</td></tr></table>\n");
576 html("<div class='content'>");
577}
578
579void cgit_print_filemode(unsigned short mode)
580{
581 if (S_ISDIR(mode))
582 html("d");
583 else if (S_ISLNK(mode))
584 html("l");
585 else if (S_ISGITLINK(mode))
586 html("m");
587 else
588 html("-");
589 html_fileperm(mode >> 6);
590 html_fileperm(mode >> 3);
591 html_fileperm(mode);
592}
593
594void cgit_print_snapshot_links(const char *repo, const char *head,
595 const char *hex, int snapshots)
596{
597 const struct cgit_snapshot_format* f;
598 char *filename;
599
600 for (f = cgit_snapshot_formats; f->suffix; f++) {
601 if (!(snapshots & f->bit))
602 continue;
603 filename = fmt("%s-%s%s", cgit_repobasename(repo), hex,
604 f->suffix);
605 cgit_snapshot_link(filename, NULL, NULL, (char *)head,
606 (char *)hex, filename);
607 html("<br/>");
608 }
609}