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
11const char cgit_doctype[] =
12"<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\"\n"
13" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">\n";
14
15static char *http_date(time_t t)
16{
17 static char day[][4] =
18 {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
19 static char month[][4] =
20 {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
21 "Jul", "Aug", "Sep", "Oct", "Now", "Dec"};
22 struct tm *tm = gmtime(&t);
23 return fmt("%s, %02d %s %04d %02d:%02d:%02d GMT", day[tm->tm_wday],
24 tm->tm_mday, month[tm->tm_mon], 1900+tm->tm_year,
25 tm->tm_hour, tm->tm_min, tm->tm_sec);
26}
27
28static long ttl_seconds(long ttl)
29{
30 if (ttl<0)
31 return 60 * 60 * 24 * 365;
32 else
33 return ttl * 60;
34}
35
36void cgit_print_error(char *msg)
37{
38 html("<div class='error'>");
39 html_txt(msg);
40 html("</div>\n");
41}
42
43char *cgit_rooturl()
44{
45 if (cgit_virtual_root)
46 return fmt("%s/", cgit_virtual_root);
47 else
48 return cgit_script_name;
49}
50
51char *cgit_repourl(const char *reponame)
52{
53 if (cgit_virtual_root) {
54 return fmt("%s/%s/", cgit_virtual_root, reponame);
55 } else {
56 return fmt("?r=%s", reponame);
57 }
58}
59
60char *cgit_fileurl(const char *reponame, const char *pagename,
61 const char *filename, const char *query)
62{
63 char *tmp;
64 char *delim;
65
66 if (cgit_virtual_root) {
67 tmp = fmt("%s/%s/%s/%s", cgit_virtual_root, reponame,
68 pagename, (filename ? filename:""));
69 delim = "?";
70 } else {
71 tmp = fmt("?url=%s/%s/%s", reponame, pagename,
72 (filename ? filename : ""));
73 delim = "&";
74 }
75 if (query)
76 tmp = fmt("%s%s%s", tmp, delim, query);
77 return tmp;
78}
79
80char *cgit_pageurl(const char *reponame, const char *pagename,
81 const char *query)
82{
83 return cgit_fileurl(reponame,pagename,0,query);
84}
85
86const char *cgit_repobasename(const char *reponame)
87{
88 /* I assume we don't need to store more than one repo basename */
89 static char rvbuf[1024];
90 int p;
91 const char *rv;
92 strncpy(rvbuf,reponame,sizeof(rvbuf));
93 if(rvbuf[sizeof(rvbuf)-1])
94 die("cgit_repobasename: truncated repository name '%s'", reponame);
95 p = strlen(rvbuf)-1;
96 /* strip trailing slashes */
97 while(p && rvbuf[p]=='/') rvbuf[p--]=0;
98 /* strip trailing .git */
99 if(p>=3 && !strncmp(&rvbuf[p-3],".git",4)) {
100 p -= 3; rvbuf[p--] = 0;
101 }
102 /* strip more trailing slashes if any */
103 while( p && rvbuf[p]=='/') rvbuf[p--]=0;
104 /* find last slash in the remaining string */
105 rv = strrchr(rvbuf,'/');
106 if(rv)
107 return ++rv;
108 return rvbuf;
109}
110
111char *cgit_currurl()
112{
113 if (!cgit_virtual_root)
114 return cgit_script_name;
115 else if (cgit_query_page)
116 return fmt("%s/%s/%s/", cgit_virtual_root, cgit_query_repo, cgit_query_page);
117 else if (cgit_query_repo)
118 return fmt("%s/%s/", cgit_virtual_root, cgit_query_repo);
119 else
120 return fmt("%s/", cgit_virtual_root);
121}
122
123static char *repolink(char *title, char *class, char *page, char *head,
124 char *path)
125{
126 char *delim = "?";
127
128 html("<a");
129 if (title) {
130 html(" title='");
131 html_attr(title);
132 html("'");
133 }
134 if (class) {
135 html(" class='");
136 html_attr(class);
137 html("'");
138 }
139 html(" href='");
140 if (cgit_virtual_root) {
141 html_attr(cgit_virtual_root);
142 if (cgit_virtual_root[strlen(cgit_virtual_root) - 1] != '/')
143 html("/");
144 html_attr(cgit_repo->url);
145 if (cgit_repo->url[strlen(cgit_repo->url) - 1] != '/')
146 html("/");
147 if (page) {
148 html(page);
149 html("/");
150 if (path)
151 html_attr(path);
152 }
153 } else {
154 html(cgit_script_name);
155 html("?url=");
156 html_attr(cgit_repo->url);
157 if (cgit_repo->url[strlen(cgit_repo->url) - 1] != '/')
158 html("/");
159 if (page) {
160 html(page);
161 html("/");
162 if (path)
163 html_attr(path);
164 }
165 delim = "&";
166 }
167 if (head && strcmp(head, cgit_repo->defbranch)) {
168 html(delim);
169 html("h=");
170 html_attr(head);
171 delim = "&";
172 }
173 return fmt("%s", delim);
174}
175
176static void reporevlink(char *page, char *name, char *title, char *class,
177 char *head, char *rev, char *path)
178{
179 char *delim;
180
181 delim = repolink(title, class, page, head, path);
182 if (rev && strcmp(rev, cgit_query_head)) {
183 html(delim);
184 html("id=");
185 html_attr(rev);
186 }
187 html("'>");
188 html_txt(name);
189 html("</a>");
190}
191
192void cgit_tree_link(char *name, char *title, char *class, char *head,
193 char *rev, char *path)
194{
195 reporevlink("tree", name, title, class, head, rev, path);
196}
197
198void cgit_log_link(char *name, char *title, char *class, char *head,
199 char *rev, char *path, int ofs, char *grep, char *pattern)
200{
201 char *delim;
202
203 delim = repolink(title, class, "log", head, path);
204 if (rev && strcmp(rev, cgit_query_head)) {
205 html(delim);
206 html("id=");
207 html_attr(rev);
208 delim = "&";
209 }
210 if (grep && pattern) {
211 html(delim);
212 html("qt=");
213 html_attr(grep);
214 delim = "&";
215 html(delim);
216 html("q=");
217 html_attr(pattern);
218 }
219 if (ofs > 0) {
220 html(delim);
221 html("ofs=");
222 htmlf("%d", ofs);
223 }
224 html("'>");
225 html_txt(name);
226 html("</a>");
227}
228
229void cgit_commit_link(char *name, char *title, char *class, char *head,
230 char *rev)
231{
232 if (strlen(name) > cgit_max_msg_len && cgit_max_msg_len >= 15) {
233 name[cgit_max_msg_len] = '\0';
234 name[cgit_max_msg_len - 1] = '.';
235 name[cgit_max_msg_len - 2] = '.';
236 name[cgit_max_msg_len - 3] = '.';
237 }
238 reporevlink("commit", name, title, class, head, rev, NULL);
239}
240
241void cgit_refs_link(char *name, char *title, char *class, char *head,
242 char *rev, char *path)
243{
244 reporevlink("refs", name, title, class, head, rev, path);
245}
246
247void cgit_snapshot_link(char *name, char *title, char *class, char *head,
248 char *rev, char *archivename)
249{
250 reporevlink("snapshot", name, title, class, head, rev, archivename);
251}
252
253void cgit_diff_link(char *name, char *title, char *class, char *head,
254 char *new_rev, char *old_rev, char *path)
255{
256 char *delim;
257
258 delim = repolink(title, class, "diff", head, path);
259 if (new_rev && strcmp(new_rev, cgit_query_head)) {
260 html(delim);
261 html("id=");
262 html_attr(new_rev);
263 delim = "&";
264 }
265 if (old_rev) {
266 html(delim);
267 html("id2=");
268 html_attr(old_rev);
269 }
270 html("'>");
271 html_txt(name);
272 html("</a>");
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 cgit_query_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(cgit_query_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 time = gmtime(&secs);
308 strftime(buf, sizeof(buf)-1, format, time);
309 html_txt(buf);
310}
311
312void cgit_print_age(time_t t, time_t max_relative, char *format)
313{
314 time_t now, secs;
315
316 time(&now);
317 secs = now - t;
318
319 if (secs > max_relative && max_relative >= 0) {
320 cgit_print_date(t, format);
321 return;
322 }
323
324 if (secs < TM_HOUR * 2) {
325 htmlf("<span class='age-mins'>%.0f min.</span>",
326 secs * 1.0 / TM_MIN);
327 return;
328 }
329 if (secs < TM_DAY * 2) {
330 htmlf("<span class='age-hours'>%.0f hours</span>",
331 secs * 1.0 / TM_HOUR);
332 return;
333 }
334 if (secs < TM_WEEK * 2) {
335 htmlf("<span class='age-days'>%.0f days</span>",
336 secs * 1.0 / TM_DAY);
337 return;
338 }
339 if (secs < TM_MONTH * 2) {
340 htmlf("<span class='age-weeks'>%.0f weeks</span>",
341 secs * 1.0 / TM_WEEK);
342 return;
343 }
344 if (secs < TM_YEAR * 2) {
345 htmlf("<span class='age-months'>%.0f months</span>",
346 secs * 1.0 / TM_MONTH);
347 return;
348 }
349 htmlf("<span class='age-years'>%.0f years</span>",
350 secs * 1.0 / TM_YEAR);
351}
352
353void cgit_print_docstart(char *title, struct cacheitem *item)
354{
355 html("Content-Type: text/html; charset=" PAGE_ENCODING "\n");
356 htmlf("Last-Modified: %s\n", http_date(item->st.st_mtime));
357 htmlf("Expires: %s\n", http_date(item->st.st_mtime +
358 ttl_seconds(item->ttl)));
359 html("\n");
360 html(cgit_doctype);
361 html("<html>\n");
362 html("<head>\n");
363 html("<title>");
364 html_txt(title);
365 html("</title>\n");
366 htmlf("<meta name='generator' content='cgit %s'/>\n", cgit_version);
367 html("<link rel='stylesheet' type='text/css' href='");
368 html_attr(cgit_css);
369 html("'/>\n");
370 html("</head>\n");
371 html("<body>\n");
372}
373
374void cgit_print_docend()
375{
376 html("</td>\n</tr>\n<table>\n</body>\n</html>\n");
377}
378
379int print_branch_option(const char *refname, const unsigned char *sha1,
380 int flags, void *cb_data)
381{
382 char *name = (char *)refname;
383 html_option(name, name, cgit_query_head);
384 return 0;
385}
386
387int print_archive_ref(const char *refname, const unsigned char *sha1,
388 int flags, void *cb_data)
389{
390 struct tag *tag;
391 struct taginfo *info;
392 struct object *obj;
393 char buf[256], *url;
394 unsigned char fileid[20];
395 int *header = (int *)cb_data;
396
397 if (prefixcmp(refname, "refs/archives"))
398 return 0;
399 strncpy(buf, refname+14, sizeof(buf));
400 obj = parse_object(sha1);
401 if (!obj)
402 return 1;
403 if (obj->type == OBJ_TAG) {
404 tag = lookup_tag(sha1);
405 if (!tag || parse_tag(tag) || !(info = cgit_parse_tag(tag)))
406 return 0;
407 hashcpy(fileid, tag->tagged->sha1);
408 } else if (obj->type != OBJ_BLOB) {
409 return 0;
410 } else {
411 hashcpy(fileid, sha1);
412 }
413 if (!*header) {
414 html("<p><h1>download</h1>");
415 *header = 1;
416 }
417 url = cgit_pageurl(cgit_query_repo, "blob",
418 fmt("id=%s&path=%s", sha1_to_hex(fileid),
419 buf));
420 html_link_open(url, NULL, "menu");
421 html_txt(strlpart(buf, 20));
422 html_link_close();
423 return 0;
424}
425
426void add_hidden_formfields(int incl_head, int incl_search, char *page)
427{
428 char *url;
429
430 if (!cgit_virtual_root) {
431 url = fmt("%s/%s", cgit_query_repo, page);
432 if (cgit_query_path)
433 url = fmt("%s/%s", url, cgit_query_path);
434 html_hidden("url", url);
435 }
436
437 if (incl_head && strcmp(cgit_query_head, cgit_repo->defbranch))
438 html_hidden("h", cgit_query_head);
439
440 if (cgit_query_sha1)
441 html_hidden("id", cgit_query_sha1);
442 if (cgit_query_sha2)
443 html_hidden("id2", cgit_query_sha2);
444
445 if (incl_search) {
446 if (cgit_query_grep)
447 html_hidden("qt", cgit_query_grep);
448 if (cgit_query_search)
449 html_hidden("q", cgit_query_search);
450 }
451}
452
453void cgit_print_pageheader(char *title, int show_search)
454{
455 static const char *default_info = "This is cgit, a fast webinterface for git repositories";
456 int header = 0;
457
458 html("<div id='sidebar'>\n");
459 html("<a href='");
460 html_attr(cgit_rooturl());
461 htmlf("'><div id='logo'><img src='%s' alt='cgit'/></div></a>\n",
462 cgit_logo);
463 html("<div class='infobox'>");
464 if (cgit_query_repo) {
465 html("<h1>");
466 html_txt(strrpart(cgit_repo->name, 20));
467 html("</h1>\n");
468 html_txt(cgit_repo->desc);
469 if (cgit_repo->owner) {
470 html("<p>\n<h1>owner</h1>\n");
471 html_txt(cgit_repo->owner);
472 }
473 html("<p>\n<h1>navigate</h1>\n");
474 reporevlink(NULL, "summary", NULL, "menu", cgit_query_head,
475 NULL, NULL);
476 cgit_log_link("log", NULL, "menu", cgit_query_head, NULL, NULL,
477 0, NULL, NULL);
478 cgit_tree_link("tree", NULL, "menu", cgit_query_head,
479 cgit_query_sha1, NULL);
480 cgit_commit_link("commit", NULL, "menu", cgit_query_head,
481 cgit_query_sha1);
482 cgit_diff_link("diff", NULL, "menu", cgit_query_head,
483 cgit_query_sha1, cgit_query_sha2, NULL);
484
485 for_each_ref(print_archive_ref, &header);
486
487 html("<p>\n<h1>branch</h1>\n");
488 html("<form method='get' action=''>\n");
489 add_hidden_formfields(0, 1, cgit_query_page);
490 html("<table class='grid'><tr><td id='branch-dropdown-cell'>");
491 html("<select name='h' onchange='this.form.submit();'>\n");
492 for_each_branch_ref(print_branch_option, cgit_query_head);
493 html("</select>\n");
494 html("</td><td>");
495 html("<noscript><input type='submit' id='switch-btn' value='..'></noscript>\n");
496 html("</td></tr></table>");
497 html("</form>\n");
498
499 html("<p>\n<h1>search</h1>\n");
500 html("<form method='get' action='");
501 if (cgit_virtual_root)
502 html_attr(cgit_fileurl(cgit_query_repo, "log",
503 cgit_query_path, NULL));
504 html("'>\n");
505 add_hidden_formfields(1, 0, "log");
506 html("<select name='qt'>\n");
507 html_option("grep", "log msg", cgit_query_grep);
508 html_option("author", "author", cgit_query_grep);
509 html_option("committer", "committer", cgit_query_grep);
510 html("</select>\n");
511 html("<input class='txt' type='text' name='q' value='");
512 html_attr(cgit_query_search);
513 html("'/>\n");
514 html("</form>\n");
515 } else {
516 if (!cgit_index_info || html_include(cgit_index_info))
517 html(default_info);
518 }
519
520 html("</div>\n");
521
522 html("</div>\n<table class='grid'><tr><td id='content'>\n");
523}
524
525
526void cgit_print_snapshot_start(const char *mimetype, const char *filename,
527 struct cacheitem *item)
528{
529 htmlf("Content-Type: %s\n", mimetype);
530 htmlf("Content-Disposition: inline; filename=\"%s\"\n", filename);
531 htmlf("Last-Modified: %s\n", http_date(item->st.st_mtime));
532 htmlf("Expires: %s\n", http_date(item->st.st_mtime +
533 ttl_seconds(item->ttl)));
534 html("\n");
535}
536
537/* vim:set sw=8: */