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
90
91void cgit_print_date(time_t secs, char *format)
92{
93 char buf[64];
94 struct tm *time;
95
96 time = gmtime(&secs);
97 strftime(buf, sizeof(buf)-1, format, time);
98 html_txt(buf);
99}
100
101void cgit_print_age(time_t t, time_t max_relative, char *format)
102{
103 time_t now, secs;
104
105 time(&now);
106 secs = now - t;
107
108 if (secs > max_relative && max_relative >= 0) {
109 cgit_print_date(t, format);
110 return;
111 }
112
113 if (secs < TM_HOUR * 2) {
114 htmlf("<span class='age-mins'>%.0f min.</span>",
115 secs * 1.0 / TM_MIN);
116 return;
117 }
118 if (secs < TM_DAY * 2) {
119 htmlf("<span class='age-hours'>%.0f hours</span>",
120 secs * 1.0 / TM_HOUR);
121 return;
122 }
123 if (secs < TM_WEEK * 2) {
124 htmlf("<span class='age-days'>%.0f days</span>",
125 secs * 1.0 / TM_DAY);
126 return;
127 }
128 if (secs < TM_MONTH * 2) {
129 htmlf("<span class='age-weeks'>%.0f weeks</span>",
130 secs * 1.0 / TM_WEEK);
131 return;
132 }
133 if (secs < TM_YEAR * 2) {
134 htmlf("<span class='age-months'>%.0f months</span>",
135 secs * 1.0 / TM_MONTH);
136 return;
137 }
138 htmlf("<span class='age-years'>%.0f years</span>",
139 secs * 1.0 / TM_YEAR);
140}
141
142void cgit_print_docstart(char *title, struct cacheitem *item)
143{
144 html("Content-Type: text/html; charset=utf-8\n");
145 htmlf("Last-Modified: %s\n", http_date(item->st.st_mtime));
146 htmlf("Expires: %s\n", http_date(item->st.st_mtime +
147 ttl_seconds(item->ttl)));
148 html("\n");
149 html(cgit_doctype);
150 html("<html>\n");
151 html("<head>\n");
152 html("<title>");
153 html_txt(title);
154 html("</title>\n");
155 htmlf("<meta name='generator' content='cgit v%s'/>\n", cgit_version);
156 html("<link rel='stylesheet' type='text/css' href='");
157 html_attr(cgit_css);
158 html("'/>\n");
159 html("</head>\n");
160 html("<body>\n");
161}
162
163void cgit_print_docend()
164{
165 html("</td></tr></table>");
166 html("</body>\n</html>\n");
167}
168
169void cgit_print_pageheader(char *title, int show_search)
170{
171 html("<table id='layout'>");
172 html("<tr><td id='header'>");
173 html(cgit_root_title);
174 html("</td><td id='logo'>");
175 html("<a href='");
176 html_attr(cgit_logo_link);
177 htmlf("'><img src='%s' alt='logo'/></a>", cgit_logo);
178 html("</td></tr>");
179 html("<tr><td id='crumb'>");
180 htmlf("<a href='%s'>root</a>", cgit_rooturl());
181 if (cgit_query_repo) {
182 htmlf(" : <a href='%s'>", cgit_repourl(cgit_repo->url));
183 html_txt(cgit_repo->name);
184 htmlf("</a> : %s", title);
185 }
186 html("</td>");
187 html("<td id='search'>");
188 if (show_search) {
189 html("<form method='get' action='");
190 html_attr(cgit_currurl());
191 html("'>");
192 if (!cgit_virtual_root) {
193 if (cgit_query_repo)
194 html_hidden("r", cgit_query_repo);
195 if (cgit_query_page)
196 html_hidden("p", cgit_query_page);
197 }
198 if (cgit_query_head)
199 html_hidden("h", cgit_query_head);
200 if (cgit_query_sha1)
201 html_hidden("id", cgit_query_sha1);
202 if (cgit_query_sha2)
203 html_hidden("id2", cgit_query_sha2);
204 html("<input type='text' name='q' value='");
205 html_attr(cgit_query_search);
206 html("'/></form>");
207 }
208 html("</td></tr>");
209 html("<tr><td id='content' colspan='2'>");
210}
211
212void cgit_print_snapshot_start(const char *mimetype, const char *filename,
213 struct cacheitem *item)
214{
215 htmlf("Content-Type: %s\n", mimetype);
216 htmlf("Content-Disposition: inline; filename=\"%s\"\n", filename);
217 htmlf("Last-Modified: %s\n", http_date(item->st.st_mtime));
218 htmlf("Expires: %s\n", http_date(item->st.st_mtime +
219 ttl_seconds(item->ttl)));
220 html("\n");
221}