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_print_date(time_t secs, char *format)
222{
223 char buf[64];
224 struct tm *time;
225
226 time = gmtime(&secs);
227 strftime(buf, sizeof(buf)-1, format, time);
228 html_txt(buf);
229}
230
231void cgit_print_age(time_t t, time_t max_relative, char *format)
232{
233 time_t now, secs;
234
235 time(&now);
236 secs = now - t;
237
238 if (secs > max_relative && max_relative >= 0) {
239 cgit_print_date(t, format);
240 return;
241 }
242
243 if (secs < TM_HOUR * 2) {
244 htmlf("<span class='age-mins'>%.0f min.</span>",
245 secs * 1.0 / TM_MIN);
246 return;
247 }
248 if (secs < TM_DAY * 2) {
249 htmlf("<span class='age-hours'>%.0f hours</span>",
250 secs * 1.0 / TM_HOUR);
251 return;
252 }
253 if (secs < TM_WEEK * 2) {
254 htmlf("<span class='age-days'>%.0f days</span>",
255 secs * 1.0 / TM_DAY);
256 return;
257 }
258 if (secs < TM_MONTH * 2) {
259 htmlf("<span class='age-weeks'>%.0f weeks</span>",
260 secs * 1.0 / TM_WEEK);
261 return;
262 }
263 if (secs < TM_YEAR * 2) {
264 htmlf("<span class='age-months'>%.0f months</span>",
265 secs * 1.0 / TM_MONTH);
266 return;
267 }
268 htmlf("<span class='age-years'>%.0f years</span>",
269 secs * 1.0 / TM_YEAR);
270}
271
272void cgit_print_docstart(char *title, struct cacheitem *item)
273{
274 html("Content-Type: text/html; charset=utf-8\n");
275 htmlf("Last-Modified: %s\n", http_date(item->st.st_mtime));
276 htmlf("Expires: %s\n", http_date(item->st.st_mtime +
277 ttl_seconds(item->ttl)));
278 html("\n");
279 html(cgit_doctype);
280 html("<html>\n");
281 html("<head>\n");
282 html("<title>");
283 html_txt(title);
284 html("</title>\n");
285 htmlf("<meta name='generator' content='cgit v%s'/>\n", cgit_version);
286 html("<link rel='stylesheet' type='text/css' href='");
287 html_attr(cgit_css);
288 html("'/>\n");
289 html("</head>\n");
290 html("<body>\n");
291}
292
293void cgit_print_docend()
294{
295 html("</td></tr></table>");
296 html("</body>\n</html>\n");
297}
298
299void cgit_print_pageheader(char *title, int show_search)
300{
301 html("<table id='layout'>");
302 html("<tr><td id='header'><a href='");
303 html_attr(cgit_rooturl());
304 html("'>");
305 html_txt(cgit_root_title);
306 html("</a></td><td id='logo'>");
307 html("<a href='");
308 html_attr(cgit_logo_link);
309 htmlf("'><img src='%s' alt='logo'/></a>", cgit_logo);
310 html("</td></tr>");
311 html("<tr><td id='crumb'>");
312 if (cgit_query_repo) {
313 html_txt(cgit_repo->name);
314 html(" (");
315 html_txt(cgit_query_head);
316 html(") : ");
317 reporevlink(NULL, "summary", NULL, NULL, cgit_query_head,
318 NULL, NULL);
319 html(" ");
320 cgit_log_link("log", NULL, NULL, cgit_query_head,
321 cgit_query_sha1, cgit_query_path, 0);
322 html(" ");
323 cgit_tree_link("tree", NULL, NULL, cgit_query_head,
324 cgit_query_sha1, NULL);
325 html(" ");
326 cgit_commit_link("commit", NULL, NULL, cgit_query_head,
327 cgit_query_sha1);
328 html(" ");
329 cgit_diff_link("diff", NULL, NULL, cgit_query_head,
330 cgit_query_sha1, cgit_query_sha2,
331 cgit_query_path);
332 } else {
333 html_txt("Index of repositories");
334 }
335 html("</td>");
336 html("<td id='search'>");
337 if (show_search) {
338 html("<form method='get' action='");
339 html_attr(cgit_currurl());
340 html("'>");
341 if (!cgit_virtual_root) {
342 if (cgit_query_repo)
343 html_hidden("r", cgit_query_repo);
344 if (cgit_query_page)
345 html_hidden("p", cgit_query_page);
346 }
347 if (cgit_query_head)
348 html_hidden("h", cgit_query_head);
349 if (cgit_query_sha1)
350 html_hidden("id", cgit_query_sha1);
351 if (cgit_query_sha2)
352 html_hidden("id2", cgit_query_sha2);
353 html("<input type='text' name='q' value='");
354 html_attr(cgit_query_search);
355 html("'/></form>");
356 }
357 html("</td></tr>");
358 html("<tr><td id='content' colspan='2'>");
359}
360
361void cgit_print_snapshot_start(const char *mimetype, const char *filename,
362 struct cacheitem *item)
363{
364 htmlf("Content-Type: %s\n", mimetype);
365 htmlf("Content-Disposition: inline; filename=\"%s\"\n", filename);
366 htmlf("Last-Modified: %s\n", http_date(item->st.st_mtime));
367 htmlf("Expires: %s\n", http_date(item->st.st_mtime +
368 ttl_seconds(item->ttl)));
369 html("\n");
370}