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 html(page);
115 html("/");
116 if (path)
117 html_attr(path);
118 } else {
119 html(cgit_script_name);
120 html("?url=");
121 html_attr(cgit_repo->url);
122 if (cgit_repo->url[strlen(cgit_repo->url) - 1] != '/')
123 html("/");
124 html(page);
125 html("/");
126 if (path)
127 html_attr(path);
128 delim = "&";
129 }
130 if (head && strcmp(head, cgit_repo->defbranch)) {
131 html(delim);
132 html("h=");
133 html_attr(head);
134 delim = "&";
135 }
136 return fmt("%s", delim);
137}
138
139static char *reporevlink(char *page, char *name, char *title, char *class,
140 char *head, char *rev, char *path)
141{
142 char *delim;
143
144 delim = repolink(title, class, page, head, path);
145 if (rev && strcmp(rev, cgit_query_head)) {
146 html(delim);
147 html("id=");
148 html_attr(rev);
149 }
150 html("'>");
151 html_txt(name);
152 html("</a>");
153}
154
155void cgit_tree_link(char *name, char *title, char *class, char *head,
156 char *rev, char *path)
157{
158 reporevlink("tree", name, title, class, head, rev, path);
159}
160
161void cgit_log_link(char *name, char *title, char *class, char *head,
162 char *rev, char *path)
163{
164 reporevlink("log", name, title, class, head, rev, path);
165}
166
167void cgit_print_date(time_t secs, char *format)
168{
169 char buf[64];
170 struct tm *time;
171
172 time = gmtime(&secs);
173 strftime(buf, sizeof(buf)-1, format, time);
174 html_txt(buf);
175}
176
177void cgit_print_age(time_t t, time_t max_relative, char *format)
178{
179 time_t now, secs;
180
181 time(&now);
182 secs = now - t;
183
184 if (secs > max_relative && max_relative >= 0) {
185 cgit_print_date(t, format);
186 return;
187 }
188
189 if (secs < TM_HOUR * 2) {
190 htmlf("<span class='age-mins'>%.0f min.</span>",
191 secs * 1.0 / TM_MIN);
192 return;
193 }
194 if (secs < TM_DAY * 2) {
195 htmlf("<span class='age-hours'>%.0f hours</span>",
196 secs * 1.0 / TM_HOUR);
197 return;
198 }
199 if (secs < TM_WEEK * 2) {
200 htmlf("<span class='age-days'>%.0f days</span>",
201 secs * 1.0 / TM_DAY);
202 return;
203 }
204 if (secs < TM_MONTH * 2) {
205 htmlf("<span class='age-weeks'>%.0f weeks</span>",
206 secs * 1.0 / TM_WEEK);
207 return;
208 }
209 if (secs < TM_YEAR * 2) {
210 htmlf("<span class='age-months'>%.0f months</span>",
211 secs * 1.0 / TM_MONTH);
212 return;
213 }
214 htmlf("<span class='age-years'>%.0f years</span>",
215 secs * 1.0 / TM_YEAR);
216}
217
218void cgit_print_docstart(char *title, struct cacheitem *item)
219{
220 html("Content-Type: text/html; charset=utf-8\n");
221 htmlf("Last-Modified: %s\n", http_date(item->st.st_mtime));
222 htmlf("Expires: %s\n", http_date(item->st.st_mtime +
223 ttl_seconds(item->ttl)));
224 html("\n");
225 html(cgit_doctype);
226 html("<html>\n");
227 html("<head>\n");
228 html("<title>");
229 html_txt(title);
230 html("</title>\n");
231 htmlf("<meta name='generator' content='cgit v%s'/>\n", cgit_version);
232 html("<link rel='stylesheet' type='text/css' href='");
233 html_attr(cgit_css);
234 html("'/>\n");
235 html("</head>\n");
236 html("<body>\n");
237}
238
239void cgit_print_docend()
240{
241 html("</td></tr></table>");
242 html("</body>\n</html>\n");
243}
244
245void cgit_print_pageheader(char *title, int show_search)
246{
247 html("<table id='layout'>");
248 html("<tr><td id='header'>");
249 html(cgit_root_title);
250 html("</td><td id='logo'>");
251 html("<a href='");
252 html_attr(cgit_logo_link);
253 htmlf("'><img src='%s' alt='logo'/></a>", cgit_logo);
254 html("</td></tr>");
255 html("<tr><td id='crumb'>");
256 htmlf("<a href='%s'>root</a>", cgit_rooturl());
257 if (cgit_query_repo) {
258 htmlf(" : <a href='%s'>", cgit_repourl(cgit_repo->url));
259 html_txt(cgit_repo->name);
260 htmlf("</a> : %s", title);
261 }
262 html("</td>");
263 html("<td id='search'>");
264 if (show_search) {
265 html("<form method='get' action='");
266 html_attr(cgit_currurl());
267 html("'>");
268 if (!cgit_virtual_root) {
269 if (cgit_query_repo)
270 html_hidden("r", cgit_query_repo);
271 if (cgit_query_page)
272 html_hidden("p", cgit_query_page);
273 }
274 if (cgit_query_head)
275 html_hidden("h", cgit_query_head);
276 if (cgit_query_sha1)
277 html_hidden("id", cgit_query_sha1);
278 if (cgit_query_sha2)
279 html_hidden("id2", cgit_query_sha2);
280 html("<input type='text' name='q' value='");
281 html_attr(cgit_query_search);
282 html("'/></form>");
283 }
284 html("</td></tr>");
285 html("<tr><td id='content' colspan='2'>");
286}
287
288void cgit_print_snapshot_start(const char *mimetype, const char *filename,
289 struct cacheitem *item)
290{
291 htmlf("Content-Type: %s\n", mimetype);
292 htmlf("Content-Disposition: inline; filename=\"%s\"\n", filename);
293 htmlf("Last-Modified: %s\n", http_date(item->st.st_mtime));
294 htmlf("Expires: %s\n", http_date(item->st.st_mtime +
295 ttl_seconds(item->ttl)));
296 html("\n");
297}