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)
167{
168 reporevlink("log", name, title, class, head, rev, path);
169}
170
171void cgit_commit_link(char *name, char *title, char *class, char *head,
172 char *rev)
173{
174 if (strlen(name) > cgit_max_msg_len && cgit_max_msg_len >= 15) {
175 name[cgit_max_msg_len] = '\0';
176 name[cgit_max_msg_len - 1] = '.';
177 name[cgit_max_msg_len - 2] = '.';
178 name[cgit_max_msg_len - 3] = '.';
179 }
180 reporevlink("commit", name, title, class, head, rev, NULL);
181}
182
183void cgit_diff_link(char *name, char *title, char *class, char *head,
184 char *new_rev, char *old_rev, char *path)
185{
186 char *delim;
187
188 delim = repolink(title, class, "diff", head, path);
189 if (new_rev && strcmp(new_rev, cgit_query_head)) {
190 html(delim);
191 html("id=");
192 html_attr(new_rev);
193 delim = "&";
194 }
195 if (old_rev) {
196 html(delim);
197 html("id2=");
198 html_attr(old_rev);
199 }
200 html("'>");
201 html_txt(name);
202 html("</a>");
203}
204
205void cgit_print_date(time_t secs, char *format)
206{
207 char buf[64];
208 struct tm *time;
209
210 time = gmtime(&secs);
211 strftime(buf, sizeof(buf)-1, format, time);
212 html_txt(buf);
213}
214
215void cgit_print_age(time_t t, time_t max_relative, char *format)
216{
217 time_t now, secs;
218
219 time(&now);
220 secs = now - t;
221
222 if (secs > max_relative && max_relative >= 0) {
223 cgit_print_date(t, format);
224 return;
225 }
226
227 if (secs < TM_HOUR * 2) {
228 htmlf("<span class='age-mins'>%.0f min.</span>",
229 secs * 1.0 / TM_MIN);
230 return;
231 }
232 if (secs < TM_DAY * 2) {
233 htmlf("<span class='age-hours'>%.0f hours</span>",
234 secs * 1.0 / TM_HOUR);
235 return;
236 }
237 if (secs < TM_WEEK * 2) {
238 htmlf("<span class='age-days'>%.0f days</span>",
239 secs * 1.0 / TM_DAY);
240 return;
241 }
242 if (secs < TM_MONTH * 2) {
243 htmlf("<span class='age-weeks'>%.0f weeks</span>",
244 secs * 1.0 / TM_WEEK);
245 return;
246 }
247 if (secs < TM_YEAR * 2) {
248 htmlf("<span class='age-months'>%.0f months</span>",
249 secs * 1.0 / TM_MONTH);
250 return;
251 }
252 htmlf("<span class='age-years'>%.0f years</span>",
253 secs * 1.0 / TM_YEAR);
254}
255
256void cgit_print_docstart(char *title, struct cacheitem *item)
257{
258 html("Content-Type: text/html; charset=utf-8\n");
259 htmlf("Last-Modified: %s\n", http_date(item->st.st_mtime));
260 htmlf("Expires: %s\n", http_date(item->st.st_mtime +
261 ttl_seconds(item->ttl)));
262 html("\n");
263 html(cgit_doctype);
264 html("<html>\n");
265 html("<head>\n");
266 html("<title>");
267 html_txt(title);
268 html("</title>\n");
269 htmlf("<meta name='generator' content='cgit v%s'/>\n", cgit_version);
270 html("<link rel='stylesheet' type='text/css' href='");
271 html_attr(cgit_css);
272 html("'/>\n");
273 html("</head>\n");
274 html("<body>\n");
275}
276
277void cgit_print_docend()
278{
279 html("</td></tr></table>");
280 html("</body>\n</html>\n");
281}
282
283void cgit_print_pageheader(char *title, int show_search)
284{
285 html("<table id='layout'>");
286 html("<tr><td id='header'><a href='");
287 html_attr(cgit_rooturl());
288 html("'>");
289 html_txt(cgit_root_title);
290 html("</a></td><td id='logo'>");
291 html("<a href='");
292 html_attr(cgit_logo_link);
293 htmlf("'><img src='%s' alt='logo'/></a>", cgit_logo);
294 html("</td></tr>");
295 html("<tr><td id='crumb'>");
296 if (cgit_query_repo) {
297 html_txt(cgit_repo->name);
298 html(" (");
299 html_txt(cgit_query_head);
300 html(") : ");
301 reporevlink(NULL, "summary", NULL, NULL, cgit_query_head,
302 NULL, NULL);
303 html(" ");
304 cgit_log_link("log", NULL, NULL, cgit_query_head,
305 cgit_query_sha1, cgit_query_path);
306 html(" ");
307 cgit_tree_link("tree", NULL, NULL, cgit_query_head,
308 cgit_query_sha1, cgit_query_path);
309 html(" ");
310 cgit_commit_link("commit", NULL, NULL, cgit_query_head,
311 cgit_query_sha1);
312 html(" ");
313 cgit_diff_link("diff", NULL, NULL, cgit_query_head,
314 cgit_query_sha1, cgit_query_sha2,
315 cgit_query_path);
316 } else {
317 html_txt("Index of repositories");
318 }
319 html("</td>");
320 html("<td id='search'>");
321 if (show_search) {
322 html("<form method='get' action='");
323 html_attr(cgit_currurl());
324 html("'>");
325 if (!cgit_virtual_root) {
326 if (cgit_query_repo)
327 html_hidden("r", cgit_query_repo);
328 if (cgit_query_page)
329 html_hidden("p", cgit_query_page);
330 }
331 if (cgit_query_head)
332 html_hidden("h", cgit_query_head);
333 if (cgit_query_sha1)
334 html_hidden("id", cgit_query_sha1);
335 if (cgit_query_sha2)
336 html_hidden("id2", cgit_query_sha2);
337 html("<input type='text' name='q' value='");
338 html_attr(cgit_query_search);
339 html("'/></form>");
340 }
341 html("</td></tr>");
342 html("<tr><td id='content' colspan='2'>");
343}
344
345void cgit_print_snapshot_start(const char *mimetype, const char *filename,
346 struct cacheitem *item)
347{
348 htmlf("Content-Type: %s\n", mimetype);
349 htmlf("Content-Disposition: inline; filename=\"%s\"\n", filename);
350 htmlf("Last-Modified: %s\n", http_date(item->st.st_mtime));
351 htmlf("Expires: %s\n", http_date(item->st.st_mtime +
352 ttl_seconds(item->ttl)));
353 html("\n");
354}