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