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 if (cgit_virtual_root) {
64 if (query)
65 return fmt("%s/%s/%s/%s?%s", cgit_virtual_root, reponame,
66 pagename, filename?filename:"", query);
67 else
68 return fmt("%s/%s/%s/", cgit_virtual_root, reponame,
69 pagename);
70 } else {
71 if (query)
72 return fmt("?r=%s&p=%s&%s", reponame, pagename, query);
73 else
74 return fmt("?r=%s&p=%s", reponame, pagename);
75 }
76}
77
78char *cgit_pageurl(const char *reponame, const char *pagename,
79 const char *query)
80{
81 return cgit_fileurl(reponame,pagename,0,query);
82}
83
84const char *cgit_repobasename(const char *reponame)
85{
86 /* I assume we don't need to store more than one repo basename */
87 static char rvbuf[1024];
88 int p;
89 const char *rv;
90 strncpy(rvbuf,reponame,sizeof(rvbuf));
91 if(rvbuf[sizeof(rvbuf)-1])
92 die("cgit_repobasename: truncated repository name '%s'", reponame);
93 p = strlen(rvbuf)-1;
94 /* strip trailing slashes */
95 while(p && rvbuf[p]=='/') rvbuf[p--]=0;
96 /* strip trailing .git */
97 if(p>=3 && !strncmp(&rvbuf[p-3],".git",4)) {
98 p -= 3; rvbuf[p--] = 0;
99 }
100 /* strip more trailing slashes if any */
101 while( p && rvbuf[p]=='/') rvbuf[p--]=0;
102 /* find last slash in the remaining string */
103 rv = strrchr(rvbuf,'/');
104 if(rv)
105 return ++rv;
106 return rvbuf;
107}
108
109char *cgit_currurl()
110{
111 if (!cgit_virtual_root)
112 return cgit_script_name;
113 else if (cgit_query_page)
114 return fmt("%s/%s/%s/", cgit_virtual_root, cgit_query_repo, cgit_query_page);
115 else if (cgit_query_repo)
116 return fmt("%s/%s/", cgit_virtual_root, cgit_query_repo);
117 else
118 return fmt("%s/", cgit_virtual_root);
119}
120
121static char *repolink(char *title, char *class, char *page, char *head,
122 char *path)
123{
124 char *delim = "?";
125
126 html("<a");
127 if (title) {
128 html(" title='");
129 html_attr(title);
130 html("'");
131 }
132 if (class) {
133 html(" class='");
134 html_attr(class);
135 html("'");
136 }
137 html(" href='");
138 if (cgit_virtual_root) {
139 html_attr(cgit_virtual_root);
140 if (cgit_virtual_root[strlen(cgit_virtual_root) - 1] != '/')
141 html("/");
142 html_attr(cgit_repo->url);
143 if (cgit_repo->url[strlen(cgit_repo->url) - 1] != '/')
144 html("/");
145 if (page) {
146 html(page);
147 html("/");
148 if (path)
149 html_attr(path);
150 }
151 } else {
152 html(cgit_script_name);
153 html("?url=");
154 html_attr(cgit_repo->url);
155 if (cgit_repo->url[strlen(cgit_repo->url) - 1] != '/')
156 html("/");
157 if (page) {
158 html(page);
159 html("/");
160 if (path)
161 html_attr(path);
162 }
163 delim = "&";
164 }
165 if (head && strcmp(head, cgit_repo->defbranch)) {
166 html(delim);
167 html("h=");
168 html_attr(head);
169 delim = "&";
170 }
171 return fmt("%s", delim);
172}
173
174static void reporevlink(char *page, char *name, char *title, char *class,
175 char *head, char *rev, char *path)
176{
177 char *delim;
178
179 delim = repolink(title, class, page, head, path);
180 if (rev && strcmp(rev, cgit_query_head)) {
181 html(delim);
182 html("id=");
183 html_attr(rev);
184 }
185 html("'>");
186 html_txt(name);
187 html("</a>");
188}
189
190void cgit_tree_link(char *name, char *title, char *class, char *head,
191 char *rev, char *path)
192{
193 reporevlink("tree", name, title, class, head, rev, path);
194}
195
196void cgit_log_link(char *name, char *title, char *class, char *head,
197 char *rev, char *path, int ofs)
198{
199 char *delim;
200
201 delim = repolink(title, class, "log", head, path);
202 if (rev && strcmp(rev, cgit_query_head)) {
203 html(delim);
204 html("id=");
205 html_attr(rev);
206 delim = "&";
207 }
208 if (ofs > 0) {
209 html(delim);
210 html("ofs=");
211 htmlf("%d", ofs);
212 }
213 html("'>");
214 html_txt(name);
215 html("</a>");
216}
217
218void cgit_commit_link(char *name, char *title, char *class, char *head,
219 char *rev)
220{
221 if (strlen(name) > cgit_max_msg_len && cgit_max_msg_len >= 15) {
222 name[cgit_max_msg_len] = '\0';
223 name[cgit_max_msg_len - 1] = '.';
224 name[cgit_max_msg_len - 2] = '.';
225 name[cgit_max_msg_len - 3] = '.';
226 }
227 reporevlink("commit", name, title, class, head, rev, NULL);
228}
229
230void cgit_diff_link(char *name, char *title, char *class, char *head,
231 char *new_rev, char *old_rev, char *path)
232{
233 char *delim;
234
235 delim = repolink(title, class, "diff", head, path);
236 if (new_rev && strcmp(new_rev, cgit_query_head)) {
237 html(delim);
238 html("id=");
239 html_attr(new_rev);
240 delim = "&";
241 }
242 if (old_rev) {
243 html(delim);
244 html("id2=");
245 html_attr(old_rev);
246 }
247 html("'>");
248 html_txt(name);
249 html("</a>");
250}
251
252void cgit_object_link(struct object *obj)
253{
254 char *page, *arg, *url;
255
256 if (obj->type == OBJ_COMMIT) {
257 cgit_commit_link(fmt("commit %s", sha1_to_hex(obj->sha1)), NULL, NULL,
258 cgit_query_head, sha1_to_hex(obj->sha1));
259 return;
260 } else if (obj->type == OBJ_TREE) {
261 page = "tree";
262 arg = "id";
263 } else {
264 page = "blob";
265 arg = "id";
266 }
267
268 url = cgit_pageurl(cgit_query_repo, page,
269 fmt("%s=%s", arg, sha1_to_hex(obj->sha1)));
270 html_link_open(url, NULL, NULL);
271 htmlf("%s %s", typename(obj->type),
272 sha1_to_hex(obj->sha1));
273 html_link_close();
274}
275
276void cgit_print_date(time_t secs, char *format)
277{
278 char buf[64];
279 struct tm *time;
280
281 time = gmtime(&secs);
282 strftime(buf, sizeof(buf)-1, format, time);
283 html_txt(buf);
284}
285
286void cgit_print_age(time_t t, time_t max_relative, char *format)
287{
288 time_t now, secs;
289
290 time(&now);
291 secs = now - t;
292
293 if (secs > max_relative && max_relative >= 0) {
294 cgit_print_date(t, format);
295 return;
296 }
297
298 if (secs < TM_HOUR * 2) {
299 htmlf("<span class='age-mins'>%.0f min.</span>",
300 secs * 1.0 / TM_MIN);
301 return;
302 }
303 if (secs < TM_DAY * 2) {
304 htmlf("<span class='age-hours'>%.0f hours</span>",
305 secs * 1.0 / TM_HOUR);
306 return;
307 }
308 if (secs < TM_WEEK * 2) {
309 htmlf("<span class='age-days'>%.0f days</span>",
310 secs * 1.0 / TM_DAY);
311 return;
312 }
313 if (secs < TM_MONTH * 2) {
314 htmlf("<span class='age-weeks'>%.0f weeks</span>",
315 secs * 1.0 / TM_WEEK);
316 return;
317 }
318 if (secs < TM_YEAR * 2) {
319 htmlf("<span class='age-months'>%.0f months</span>",
320 secs * 1.0 / TM_MONTH);
321 return;
322 }
323 htmlf("<span class='age-years'>%.0f years</span>",
324 secs * 1.0 / TM_YEAR);
325}
326
327void cgit_print_docstart(char *title, struct cacheitem *item)
328{
329 html("Content-Type: text/html; charset=utf-8\n");
330 htmlf("Last-Modified: %s\n", http_date(item->st.st_mtime));
331 htmlf("Expires: %s\n", http_date(item->st.st_mtime +
332 ttl_seconds(item->ttl)));
333 html("\n");
334 html(cgit_doctype);
335 html("<html>\n");
336 html("<head>\n");
337 html("<title>");
338 html_txt(title);
339 html("</title>\n");
340 htmlf("<meta name='generator' content='cgit %s'/>\n", cgit_version);
341 html("<link rel='stylesheet' type='text/css' href='");
342 html_attr(cgit_css);
343 html("'/>\n");
344 html("</head>\n");
345 html("<body>\n");
346}
347
348void cgit_print_docend()
349{
350 html("</td></tr></table>");
351 html("</body>\n</html>\n");
352}
353
354void cgit_print_pageheader(char *title, int show_search)
355{
356 html("<table id='layout'>");
357 html("<tr><td id='header'><a href='");
358 html_attr(cgit_rooturl());
359 html("'>");
360 html_txt(cgit_root_title);
361 html("</a></td><td id='logo'>");
362 html("<a href='");
363 html_attr(cgit_logo_link);
364 htmlf("'><img src='%s' alt='logo'/></a>", cgit_logo);
365 html("</td></tr>");
366 html("<tr><td id='crumb'>");
367 if (cgit_query_repo) {
368 html_txt(cgit_repo->name);
369 html(" (");
370 html_txt(cgit_query_head);
371 html(") : ");
372 reporevlink(NULL, "summary", NULL, NULL, cgit_query_head,
373 NULL, NULL);
374 html(" ");
375 cgit_log_link("log", NULL, NULL, cgit_query_head,
376 cgit_query_sha1, cgit_query_path, 0);
377 html(" ");
378 cgit_tree_link("tree", NULL, NULL, cgit_query_head,
379 cgit_query_sha1, NULL);
380 html(" ");
381 cgit_commit_link("commit", NULL, NULL, cgit_query_head,
382 cgit_query_sha1);
383 html(" ");
384 cgit_diff_link("diff", NULL, NULL, cgit_query_head,
385 cgit_query_sha1, cgit_query_sha2,
386 cgit_query_path);
387 } else {
388 html_txt("Index of repositories");
389 }
390 html("</td>");
391 html("<td id='search'>");
392 if (show_search) {
393 html("<form method='get' action='");
394 html_attr(cgit_currurl());
395 html("'>");
396 if (!cgit_virtual_root) {
397 if (cgit_query_repo)
398 html_hidden("r", cgit_query_repo);
399 if (cgit_query_page)
400 html_hidden("p", cgit_query_page);
401 }
402 if (cgit_query_head)
403 html_hidden("h", cgit_query_head);
404 if (cgit_query_sha1)
405 html_hidden("id", cgit_query_sha1);
406 if (cgit_query_sha2)
407 html_hidden("id2", cgit_query_sha2);
408 html("<input type='text' name='q' value='");
409 html_attr(cgit_query_search);
410 html("'/></form>");
411 }
412 html("</td></tr>");
413 html("<tr><td id='content' colspan='2'>");
414}
415
416void cgit_print_snapshot_start(const char *mimetype, const char *filename,
417 struct cacheitem *item)
418{
419 htmlf("Content-Type: %s\n", mimetype);
420 htmlf("Content-Disposition: inline; filename=\"%s\"\n", filename);
421 htmlf("Last-Modified: %s\n", http_date(item->st.st_mtime));
422 htmlf("Expires: %s\n", http_date(item->st.st_mtime +
423 ttl_seconds(item->ttl)));
424 html("\n");
425}
426
427/* vim:set sw=8: */