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