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_pageurl(const char *reponame, const char *pagename,
61 const char *query)
62{
63 if (cgit_virtual_root) {
64 if (query)
65 return fmt("%s/%s/%s/?%s", cgit_virtual_root, reponame,
66 pagename, 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_currurl()
79{
80 if (!cgit_virtual_root)
81 return cgit_script_name;
82 else if (cgit_query_page)
83 return fmt("%s/%s/%s/", cgit_virtual_root, cgit_query_repo, cgit_query_page);
84 else if (cgit_query_repo)
85 return fmt("%s/%s/", cgit_virtual_root, cgit_query_repo);
86 else
87 return fmt("%s/", cgit_virtual_root);
88}
89
90static char *repolink(char *title, char *class, char *page, char *head,
91 char *path)
92{
93 char *delim = "?";
94
95 html("<a");
96 if (title) {
97 html(" title='");
98 html_attr(title);
99 html("'");
100 }
101 if (class) {
102 html(" class='");
103 html_attr(class);
104 html("'");
105 }
106 html(" href='");
107 if (cgit_virtual_root) {
108 html_attr(cgit_virtual_root);
109 if (cgit_virtual_root[strlen(cgit_virtual_root) - 1] != '/')
110 html("/");
111 html_attr(cgit_repo->url);
112 if (cgit_repo->url[strlen(cgit_repo->url) - 1] != '/')
113 html("/");
114 if (page) {
115 html(page);
116 html("/");
117 if (path)
118 html_attr(path);
119 }
120 } else {
121 html(cgit_script_name);
122 html("?url=");
123 html_attr(cgit_repo->url);
124 if (cgit_repo->url[strlen(cgit_repo->url) - 1] != '/')
125 html("/");
126 if (page) {
127 html(page);
128 html("/");
129 if (path)
130 html_attr(path);
131 }
132 delim = "&";
133 }
134 if (head && strcmp(head, cgit_repo->defbranch)) {
135 html(delim);
136 html("h=");
137 html_attr(head);
138 delim = "&";
139 }
140 return fmt("%s", delim);
141}
142
143static void reporevlink(char *page, char *name, char *title, char *class,
144 char *head, char *rev, char *path)
145{
146 char *delim;
147
148 delim = repolink(title, class, page, head, path);
149 if (rev && strcmp(rev, cgit_query_head)) {
150 html(delim);
151 html("id=");
152 html_attr(rev);
153 }
154 html("'>");
155 html_txt(name);
156 html("</a>");
157}
158
159void cgit_tree_link(char *name, char *title, char *class, char *head,
160 char *rev, char *path)
161{
162 reporevlink("tree", name, title, class, head, rev, path);
163}
164
165void cgit_log_link(char *name, char *title, char *class, char *head,
166 char *rev, char *path, int ofs)
167{
168 char *delim;
169
170 delim = repolink(title, class, "log", head, path);
171 if (rev && strcmp(rev, cgit_query_head)) {
172 html(delim);
173 html("id=");
174 html_attr(rev);
175 delim = "&";
176 }
177 if (ofs > 0) {
178 html(delim);
179 html("ofs=");
180 htmlf("%d", ofs);
181 }
182 html("'>");
183 html_txt(name);
184 html("</a>");
185}
186
187void cgit_commit_link(char *name, char *title, char *class, char *head,
188 char *rev)
189{
190 if (strlen(name) > cgit_max_msg_len && cgit_max_msg_len >= 15) {
191 name[cgit_max_msg_len] = '\0';
192 name[cgit_max_msg_len - 1] = '.';
193 name[cgit_max_msg_len - 2] = '.';
194 name[cgit_max_msg_len - 3] = '.';
195 }
196 reporevlink("commit", name, title, class, head, rev, NULL);
197}
198
199void cgit_diff_link(char *name, char *title, char *class, char *head,
200 char *new_rev, char *old_rev, char *path)
201{
202 char *delim;
203
204 delim = repolink(title, class, "diff", head, path);
205 if (new_rev && strcmp(new_rev, cgit_query_head)) {
206 html(delim);
207 html("id=");
208 html_attr(new_rev);
209 delim = "&";
210 }
211 if (old_rev) {
212 html(delim);
213 html("id2=");
214 html_attr(old_rev);
215 }
216 html("'>");
217 html_txt(name);
218 html("</a>");
219}
220
221void cgit_object_link(struct object *obj)
222{
223 char *page, *arg, *url;
224
225 if (obj->type == OBJ_COMMIT) {
226 cgit_commit_link(fmt("commit %s", sha1_to_hex(obj->sha1)), NULL, NULL,
227 cgit_query_head, sha1_to_hex(obj->sha1));
228 return;
229 } else if (obj->type == OBJ_TREE) {
230 page = "tree";
231 arg = "id";
232 } else {
233 page = "blob";
234 arg = "id";
235 }
236
237 url = cgit_pageurl(cgit_query_repo, page,
238 fmt("%s=%s", arg, sha1_to_hex(obj->sha1)));
239 html_link_open(url, NULL, NULL);
240 htmlf("%s %s", typename(obj->type),
241 sha1_to_hex(obj->sha1));
242 html_link_close();
243}
244
245void cgit_print_date(time_t secs, char *format)
246{
247 char buf[64];
248 struct tm *time;
249
250 time = gmtime(&secs);
251 strftime(buf, sizeof(buf)-1, format, time);
252 html_txt(buf);
253}
254
255void cgit_print_age(time_t t, time_t max_relative, char *format)
256{
257 time_t now, secs;
258
259 time(&now);
260 secs = now - t;
261
262 if (secs > max_relative && max_relative >= 0) {
263 cgit_print_date(t, format);
264 return;
265 }
266
267 if (secs < TM_HOUR * 2) {
268 htmlf("<span class='age-mins'>%.0f min.</span>",
269 secs * 1.0 / TM_MIN);
270 return;
271 }
272 if (secs < TM_DAY * 2) {
273 htmlf("<span class='age-hours'>%.0f hours</span>",
274 secs * 1.0 / TM_HOUR);
275 return;
276 }
277 if (secs < TM_WEEK * 2) {
278 htmlf("<span class='age-days'>%.0f days</span>",
279 secs * 1.0 / TM_DAY);
280 return;
281 }
282 if (secs < TM_MONTH * 2) {
283 htmlf("<span class='age-weeks'>%.0f weeks</span>",
284 secs * 1.0 / TM_WEEK);
285 return;
286 }
287 if (secs < TM_YEAR * 2) {
288 htmlf("<span class='age-months'>%.0f months</span>",
289 secs * 1.0 / TM_MONTH);
290 return;
291 }
292 htmlf("<span class='age-years'>%.0f years</span>",
293 secs * 1.0 / TM_YEAR);
294}
295
296void cgit_print_docstart(char *title, struct cacheitem *item)
297{
298 html("Content-Type: text/html; charset=utf-8\n");
299 htmlf("Last-Modified: %s\n", http_date(item->st.st_mtime));
300 htmlf("Expires: %s\n", http_date(item->st.st_mtime +
301 ttl_seconds(item->ttl)));
302 html("\n");
303 html(cgit_doctype);
304 html("<html>\n");
305 html("<head>\n");
306 html("<title>");
307 html_txt(title);
308 html("</title>\n");
309 htmlf("<meta name='generator' content='cgit %s'/>\n", cgit_version);
310 html("<link rel='stylesheet' type='text/css' href='");
311 html_attr(cgit_css);
312 html("'/>\n");
313 html("</head>\n");
314 html("<body>\n");
315}
316
317void cgit_print_docend()
318{
319 html("</td></tr></table>");
320 html("</body>\n</html>\n");
321}
322
323void cgit_print_pageheader(char *title, int show_search)
324{
325 html("<table id='layout'>");
326 html("<tr><td id='header'><a href='");
327 html_attr(cgit_rooturl());
328 html("'>");
329 html_txt(cgit_root_title);
330 html("</a></td><td id='logo'>");
331 html("<a href='");
332 html_attr(cgit_logo_link);
333 htmlf("'><img src='%s' alt='logo'/></a>", cgit_logo);
334 html("</td></tr>");
335 html("<tr><td id='crumb'>");
336 if (cgit_query_repo) {
337 html_txt(cgit_repo->name);
338 html(" (");
339 html_txt(cgit_query_head);
340 html(") : ");
341 reporevlink(NULL, "summary", NULL, NULL, cgit_query_head,
342 NULL, NULL);
343 html(" ");
344 cgit_log_link("log", NULL, NULL, cgit_query_head,
345 cgit_query_sha1, cgit_query_path, 0);
346 html(" ");
347 cgit_tree_link("tree", NULL, NULL, cgit_query_head,
348 cgit_query_sha1, NULL);
349 html(" ");
350 cgit_commit_link("commit", NULL, NULL, cgit_query_head,
351 cgit_query_sha1);
352 html(" ");
353 cgit_diff_link("diff", NULL, NULL, cgit_query_head,
354 cgit_query_sha1, cgit_query_sha2,
355 cgit_query_path);
356 } else {
357 html_txt("Index of repositories");
358 }
359 html("</td>");
360 html("<td id='search'>");
361 if (show_search) {
362 html("<form method='get' action='");
363 html_attr(cgit_currurl());
364 html("'>");
365 if (!cgit_virtual_root) {
366 if (cgit_query_repo)
367 html_hidden("r", cgit_query_repo);
368 if (cgit_query_page)
369 html_hidden("p", cgit_query_page);
370 }
371 if (cgit_query_head)
372 html_hidden("h", cgit_query_head);
373 if (cgit_query_sha1)
374 html_hidden("id", cgit_query_sha1);
375 if (cgit_query_sha2)
376 html_hidden("id2", cgit_query_sha2);
377 html("<input type='text' name='q' value='");
378 html_attr(cgit_query_search);
379 html("'/></form>");
380 }
381 html("</td></tr>");
382 html("<tr><td id='content' colspan='2'>");
383}
384
385void cgit_print_snapshot_start(const char *mimetype, const char *filename,
386 struct cacheitem *item)
387{
388 htmlf("Content-Type: %s\n", mimetype);
389 htmlf("Content-Disposition: inline; filename=\"%s\"\n", filename);
390 htmlf("Last-Modified: %s\n", http_date(item->st.st_mtime));
391 htmlf("Expires: %s\n", http_date(item->st.st_mtime +
392 ttl_seconds(item->ttl)));
393 html("\n");
394}