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 "html.h"
11
12const char cgit_doctype[] =
13"<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\"\n"
14" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">\n";
15
16static char *http_date(time_t t)
17{
18 static char day[][4] =
19 {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
20 static char month[][4] =
21 {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
22 "Jul", "Aug", "Sep", "Oct", "Now", "Dec"};
23 struct tm *tm = gmtime(&t);
24 return fmt("%s, %02d %s %04d %02d:%02d:%02d GMT", day[tm->tm_wday],
25 tm->tm_mday, month[tm->tm_mon], 1900+tm->tm_year,
26 tm->tm_hour, tm->tm_min, tm->tm_sec);
27}
28
29static long ttl_seconds(long ttl)
30{
31 if (ttl<0)
32 return 60 * 60 * 24 * 365;
33 else
34 return ttl * 60;
35}
36
37void cgit_print_error(char *msg)
38{
39 html("<div class='error'>");
40 html_txt(msg);
41 html("</div>\n");
42}
43
44char *cgit_rooturl()
45{
46 if (ctx.cfg.virtual_root)
47 return fmt("%s/", ctx.cfg.virtual_root);
48 else
49 return ctx.cfg.script_name;
50}
51
52char *cgit_repourl(const char *reponame)
53{
54 if (ctx.cfg.virtual_root) {
55 return fmt("%s/%s/", ctx.cfg.virtual_root, reponame);
56 } else {
57 return fmt("?r=%s", reponame);
58 }
59}
60
61char *cgit_fileurl(const char *reponame, const char *pagename,
62 const char *filename, const char *query)
63{
64 char *tmp;
65 char *delim;
66
67 if (ctx.cfg.virtual_root) {
68 tmp = fmt("%s/%s/%s/%s", ctx.cfg.virtual_root, reponame,
69 pagename, (filename ? filename:""));
70 delim = "?";
71 } else {
72 tmp = fmt("?url=%s/%s/%s", reponame, pagename,
73 (filename ? filename : ""));
74 delim = "&";
75 }
76 if (query)
77 tmp = fmt("%s%s%s", tmp, delim, query);
78 return tmp;
79}
80
81char *cgit_pageurl(const char *reponame, const char *pagename,
82 const char *query)
83{
84 return cgit_fileurl(reponame,pagename,0,query);
85}
86
87const char *cgit_repobasename(const char *reponame)
88{
89 /* I assume we don't need to store more than one repo basename */
90 static char rvbuf[1024];
91 int p;
92 const char *rv;
93 strncpy(rvbuf,reponame,sizeof(rvbuf));
94 if(rvbuf[sizeof(rvbuf)-1])
95 die("cgit_repobasename: truncated repository name '%s'", reponame);
96 p = strlen(rvbuf)-1;
97 /* strip trailing slashes */
98 while(p && rvbuf[p]=='/') rvbuf[p--]=0;
99 /* strip trailing .git */
100 if(p>=3 && !strncmp(&rvbuf[p-3],".git",4)) {
101 p -= 3; rvbuf[p--] = 0;
102 }
103 /* strip more trailing slashes if any */
104 while( p && rvbuf[p]=='/') rvbuf[p--]=0;
105 /* find last slash in the remaining string */
106 rv = strrchr(rvbuf,'/');
107 if(rv)
108 return ++rv;
109 return rvbuf;
110}
111
112char *cgit_currurl()
113{
114 if (!ctx.cfg.virtual_root)
115 return ctx.cfg.script_name;
116 else if (ctx.qry.page)
117 return fmt("%s/%s/%s/", ctx.cfg.virtual_root, ctx.qry.repo, ctx.qry.page);
118 else if (ctx.qry.repo)
119 return fmt("%s/%s/", ctx.cfg.virtual_root, ctx.qry.repo);
120 else
121 return fmt("%s/", ctx.cfg.virtual_root);
122}
123
124static char *repolink(char *title, char *class, char *page, char *head,
125 char *path)
126{
127 char *delim = "?";
128
129 html("<a");
130 if (title) {
131 html(" title='");
132 html_attr(title);
133 html("'");
134 }
135 if (class) {
136 html(" class='");
137 html_attr(class);
138 html("'");
139 }
140 html(" href='");
141 if (ctx.cfg.virtual_root) {
142 html_attr(ctx.cfg.virtual_root);
143 if (ctx.cfg.virtual_root[strlen(ctx.cfg.virtual_root) - 1] != '/')
144 html("/");
145 html_attr(ctx.repo->url);
146 if (ctx.repo->url[strlen(ctx.repo->url) - 1] != '/')
147 html("/");
148 if (page) {
149 html(page);
150 html("/");
151 if (path)
152 html_attr(path);
153 }
154 } else {
155 html(ctx.cfg.script_name);
156 html("?url=");
157 html_attr(ctx.repo->url);
158 if (ctx.repo->url[strlen(ctx.repo->url) - 1] != '/')
159 html("/");
160 if (page) {
161 html(page);
162 html("/");
163 if (path)
164 html_attr(path);
165 }
166 delim = "&";
167 }
168 if (head && strcmp(head, ctx.repo->defbranch)) {
169 html(delim);
170 html("h=");
171 html_attr(head);
172 delim = "&";
173 }
174 return fmt("%s", delim);
175}
176
177static void reporevlink(char *page, char *name, char *title, char *class,
178 char *head, char *rev, char *path)
179{
180 char *delim;
181
182 delim = repolink(title, class, page, head, path);
183 if (rev && strcmp(rev, ctx.qry.head)) {
184 html(delim);
185 html("id=");
186 html_attr(rev);
187 }
188 html("'>");
189 html_txt(name);
190 html("</a>");
191}
192
193void cgit_tree_link(char *name, char *title, char *class, char *head,
194 char *rev, char *path)
195{
196 reporevlink("tree", name, title, class, head, rev, path);
197}
198
199void cgit_log_link(char *name, char *title, char *class, char *head,
200 char *rev, char *path, int ofs, char *grep, char *pattern)
201{
202 char *delim;
203
204 delim = repolink(title, class, "log", head, path);
205 if (rev && strcmp(rev, ctx.qry.head)) {
206 html(delim);
207 html("id=");
208 html_attr(rev);
209 delim = "&";
210 }
211 if (grep && pattern) {
212 html(delim);
213 html("qt=");
214 html_attr(grep);
215 delim = "&";
216 html(delim);
217 html("q=");
218 html_attr(pattern);
219 }
220 if (ofs > 0) {
221 html(delim);
222 html("ofs=");
223 htmlf("%d", ofs);
224 }
225 html("'>");
226 html_txt(name);
227 html("</a>");
228}
229
230void cgit_commit_link(char *name, char *title, char *class, char *head,
231 char *rev)
232{
233 if (strlen(name) > ctx.cfg.max_msg_len && ctx.cfg.max_msg_len >= 15) {
234 name[ctx.cfg.max_msg_len] = '\0';
235 name[ctx.cfg.max_msg_len - 1] = '.';
236 name[ctx.cfg.max_msg_len - 2] = '.';
237 name[ctx.cfg.max_msg_len - 3] = '.';
238 }
239 reporevlink("commit", name, title, class, head, rev, NULL);
240}
241
242void cgit_refs_link(char *name, char *title, char *class, char *head,
243 char *rev, char *path)
244{
245 reporevlink("refs", name, title, class, head, rev, path);
246}
247
248void cgit_snapshot_link(char *name, char *title, char *class, char *head,
249 char *rev, char *archivename)
250{
251 reporevlink("snapshot", name, title, class, head, rev, archivename);
252}
253
254void cgit_diff_link(char *name, char *title, char *class, char *head,
255 char *new_rev, char *old_rev, char *path)
256{
257 char *delim;
258
259 delim = repolink(title, class, "diff", head, path);
260 if (new_rev && strcmp(new_rev, ctx.qry.head)) {
261 html(delim);
262 html("id=");
263 html_attr(new_rev);
264 delim = "&";
265 }
266 if (old_rev) {
267 html(delim);
268 html("id2=");
269 html_attr(old_rev);
270 }
271 html("'>");
272 html_txt(name);
273 html("</a>");
274}
275
276void cgit_patch_link(char *name, char *title, char *class, char *head,
277 char *rev)
278{
279 reporevlink("patch", name, title, class, head, rev, NULL);
280}
281
282void cgit_object_link(struct object *obj)
283{
284 char *page, *arg, *url;
285
286 if (obj->type == OBJ_COMMIT) {
287 cgit_commit_link(fmt("commit %s", sha1_to_hex(obj->sha1)), NULL, NULL,
288 ctx.qry.head, sha1_to_hex(obj->sha1));
289 return;
290 } else if (obj->type == OBJ_TREE) {
291 page = "tree";
292 arg = "id";
293 } else if (obj->type == OBJ_TAG) {
294 page = "tag";
295 arg = "id";
296 } else {
297 page = "blob";
298 arg = "id";
299 }
300
301 url = cgit_pageurl(ctx.qry.repo, page,
302 fmt("%s=%s", arg, sha1_to_hex(obj->sha1)));
303 html_link_open(url, NULL, NULL);
304 htmlf("%s %s", typename(obj->type),
305 sha1_to_hex(obj->sha1));
306 html_link_close();
307}
308
309void cgit_print_date(time_t secs, char *format)
310{
311 char buf[64];
312 struct tm *time;
313
314 if (!secs)
315 return;
316 time = gmtime(&secs);
317 strftime(buf, sizeof(buf)-1, format, time);
318 html_txt(buf);
319}
320
321void cgit_print_age(time_t t, time_t max_relative, char *format)
322{
323 time_t now, secs;
324
325 if (!t)
326 return;
327 time(&now);
328 secs = now - t;
329
330 if (secs > max_relative && max_relative >= 0) {
331 cgit_print_date(t, format);
332 return;
333 }
334
335 if (secs < TM_HOUR * 2) {
336 htmlf("<span class='age-mins'>%.0f min.</span>",
337 secs * 1.0 / TM_MIN);
338 return;
339 }
340 if (secs < TM_DAY * 2) {
341 htmlf("<span class='age-hours'>%.0f hours</span>",
342 secs * 1.0 / TM_HOUR);
343 return;
344 }
345 if (secs < TM_WEEK * 2) {
346 htmlf("<span class='age-days'>%.0f days</span>",
347 secs * 1.0 / TM_DAY);
348 return;
349 }
350 if (secs < TM_MONTH * 2) {
351 htmlf("<span class='age-weeks'>%.0f weeks</span>",
352 secs * 1.0 / TM_WEEK);
353 return;
354 }
355 if (secs < TM_YEAR * 2) {
356 htmlf("<span class='age-months'>%.0f months</span>",
357 secs * 1.0 / TM_MONTH);
358 return;
359 }
360 htmlf("<span class='age-years'>%.0f years</span>",
361 secs * 1.0 / TM_YEAR);
362}
363
364void cgit_print_docstart(char *title, struct cacheitem *item)
365{
366 html("Content-Type: text/html; charset=" PAGE_ENCODING "\n");
367 htmlf("Last-Modified: %s\n", http_date(item->st.st_mtime));
368 htmlf("Expires: %s\n", http_date(item->st.st_mtime +
369 ttl_seconds(item->ttl)));
370 html("\n");
371 html(cgit_doctype);
372 html("<html xmlns='http://www.w3.org/1999/xhtml' xml:lang='en' lang='en'>\n");
373 html("<head>\n");
374 html("<title>");
375 html_txt(title);
376 html("</title>\n");
377 htmlf("<meta name='generator' content='cgit %s'/>\n", cgit_version);
378 if (ctx.cfg.robots && *ctx.cfg.robots)
379 htmlf("<meta name='robots' content='%s'/>\n", ctx.cfg.robots);
380 html("<link rel='stylesheet' type='text/css' href='");
381 html_attr(ctx.cfg.css);
382 html("'/>\n");
383 html("</head>\n");
384 html("<body>\n");
385}
386
387void cgit_print_docend()
388{
389 html("</td>\n</tr>\n</table>\n</body>\n</html>\n");
390}
391
392int print_branch_option(const char *refname, const unsigned char *sha1,
393 int flags, void *cb_data)
394{
395 char *name = (char *)refname;
396 html_option(name, name, ctx.qry.head);
397 return 0;
398}
399
400int print_archive_ref(const char *refname, const unsigned char *sha1,
401 int flags, void *cb_data)
402{
403 struct tag *tag;
404 struct taginfo *info;
405 struct object *obj;
406 char buf[256], *url;
407 unsigned char fileid[20];
408 int *header = (int *)cb_data;
409
410 if (prefixcmp(refname, "refs/archives"))
411 return 0;
412 strncpy(buf, refname+14, sizeof(buf));
413 obj = parse_object(sha1);
414 if (!obj)
415 return 1;
416 if (obj->type == OBJ_TAG) {
417 tag = lookup_tag(sha1);
418 if (!tag || parse_tag(tag) || !(info = cgit_parse_tag(tag)))
419 return 0;
420 hashcpy(fileid, tag->tagged->sha1);
421 } else if (obj->type != OBJ_BLOB) {
422 return 0;
423 } else {
424 hashcpy(fileid, sha1);
425 }
426 if (!*header) {
427 html("<h1>download</h1>\n");
428 *header = 1;
429 }
430 url = cgit_pageurl(ctx.qry.repo, "blob",
431 fmt("id=%s&path=%s", sha1_to_hex(fileid),
432 buf));
433 html_link_open(url, NULL, "menu");
434 html_txt(strlpart(buf, 20));
435 html_link_close();
436 return 0;
437}
438
439void add_hidden_formfields(int incl_head, int incl_search, char *page)
440{
441 char *url;
442
443 if (!ctx.cfg.virtual_root) {
444 url = fmt("%s/%s", ctx.qry.repo, page);
445 if (ctx.qry.path)
446 url = fmt("%s/%s", url, ctx.qry.path);
447 html_hidden("url", url);
448 }
449
450 if (incl_head && strcmp(ctx.qry.head, ctx.repo->defbranch))
451 html_hidden("h", ctx.qry.head);
452
453 if (ctx.qry.sha1)
454 html_hidden("id", ctx.qry.sha1);
455 if (ctx.qry.sha2)
456 html_hidden("id2", ctx.qry.sha2);
457
458 if (incl_search) {
459 if (ctx.qry.grep)
460 html_hidden("qt", ctx.qry.grep);
461 if (ctx.qry.search)
462 html_hidden("q", ctx.qry.search);
463 }
464}
465
466void cgit_print_pageheader(char *title, int show_search)
467{
468 static const char *default_info = "This is cgit, a fast webinterface for git repositories";
469 int header = 0;
470 char *url;
471
472 html("<table id='layout' summary=''>\n");
473 html("<tr><td id='sidebar'>\n");
474 html("<table class='sidebar' cellspacing='0' summary=''>\n");
475 html("<tr><td class='sidebar'>\n<a href='");
476 html_attr(cgit_rooturl());
477 htmlf("'><img src='%s' alt='cgit'/></a>\n",
478 ctx.cfg.logo);
479 html("</td></tr>\n<tr><td class='sidebar'>\n");
480 if (ctx.repo) {
481 html("<h1 class='first'>");
482 html_txt(strrpart(ctx.repo->name, 20));
483 html("</h1>\n");
484 html_txt(ctx.repo->desc);
485 if (ctx.repo->owner) {
486 html("<h1>owner</h1>\n");
487 html_txt(ctx.repo->owner);
488 }
489 html("<h1>navigate</h1>\n");
490 reporevlink(NULL, "summary", NULL, "menu", ctx.qry.head,
491 NULL, NULL);
492 cgit_log_link("log", NULL, "menu", ctx.qry.head, NULL, NULL,
493 0, NULL, NULL);
494 cgit_tree_link("tree", NULL, "menu", ctx.qry.head,
495 ctx.qry.sha1, NULL);
496 cgit_commit_link("commit", NULL, "menu", ctx.qry.head,
497 ctx.qry.sha1);
498 cgit_diff_link("diff", NULL, "menu", ctx.qry.head,
499 ctx.qry.sha1, ctx.qry.sha2, NULL);
500 cgit_patch_link("patch", NULL, "menu", ctx.qry.head,
501 ctx.qry.sha1);
502
503 for_each_ref(print_archive_ref, &header);
504
505 if (ctx.repo->clone_url || ctx.cfg.clone_prefix) {
506 html("<h1>clone</h1>\n");
507 if (ctx.repo->clone_url)
508 url = ctx.repo->clone_url;
509 else
510 url = fmt("%s%s", ctx.cfg.clone_prefix,
511 ctx.repo->url);
512 html("<a class='menu' href='");
513 html_attr(url);
514 html("' title='");
515 html_attr(url);
516 html("'>\n");
517 html_txt(strrpart(url, 20));
518 html("</a>\n");
519 }
520
521 html("<h1>branch</h1>\n");
522 html("<form method='get' action=''>\n");
523 add_hidden_formfields(0, 1, ctx.qry.page);
524// html("<table summary='branch selector' class='grid'><tr><td id='branch-dropdown-cell'>");
525 html("<select name='h' onchange='this.form.submit();'>\n");
526 for_each_branch_ref(print_branch_option, ctx.qry.head);
527 html("</select>\n");
528// html("</td><td>");
529 html("<noscript><input type='submit' id='switch-btn' value='switch'/></noscript>\n");
530// html("</td></tr></table>");
531 html("</form>\n");
532
533 html("<h1>search</h1>\n");
534 html("<form method='get' action='");
535 if (ctx.cfg.virtual_root)
536 html_attr(cgit_fileurl(ctx.qry.repo, "log",
537 ctx.qry.path, NULL));
538 html("'>\n");
539 add_hidden_formfields(1, 0, "log");
540 html("<select name='qt'>\n");
541 html_option("grep", "log msg", ctx.qry.grep);
542 html_option("author", "author", ctx.qry.grep);
543 html_option("committer", "committer", ctx.qry.grep);
544 html("</select>\n");
545 html("<input class='txt' type='text' name='q' value='");
546 html_attr(ctx.qry.search);
547 html("'/>\n");
548 html("</form>\n");
549 } else {
550 if (!ctx.cfg.index_info || html_include(ctx.cfg.index_info))
551 html(default_info);
552 }
553
554 html("</td></tr></table></td>\n");
555
556 html("<td id='content'>\n");
557}
558
559
560void cgit_print_snapshot_start(const char *mimetype, const char *filename,
561 struct cacheitem *item)
562{
563 htmlf("Content-Type: %s\n", mimetype);
564 htmlf("Content-Disposition: inline; filename=\"%s\"\n", filename);
565 htmlf("Last-Modified: %s\n", http_date(item->st.st_mtime));
566 htmlf("Expires: %s\n", http_date(item->st.st_mtime +
567 ttl_seconds(item->ttl)));
568 html("\n");
569}
570
571void cgit_print_filemode(unsigned short mode)
572{
573 if (S_ISDIR(mode))
574 html("d");
575 else if (S_ISLNK(mode))
576 html("l");
577 else if (S_ISGITLINK(mode))
578 html("m");
579 else
580 html("-");
581 html_fileperm(mode >> 6);
582 html_fileperm(mode >> 3);
583 html_fileperm(mode);
584}
585
586/* vim:set sw=8: */