ui-shared.c

   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
  11 const 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
  15 static 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
  28 static long ttl_seconds(long ttl)
  29 {
  30         if (ttl<0)
  31                 return 60 * 60 * 24 * 365;
  32         else
  33                 return ttl * 60;
  34 }
  35
  36 void cgit_print_error(char *msg)
  37 {
  38         html("<div class='error'>");
  39         html_txt(msg);
  40         html("</div>\n");
  41 }
  42
  43 char *cgit_rooturl()
  44 {
  45         if (cgit_virtual_root)
  46                 return fmt("%s/", cgit_virtual_root);
  47         else
  48                 return "./cgit.cgi";
  49 }
  50
  51 char *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
  60 char *cgit_pageurl(const char *reponame, const char *pagename,
  61                    const char *query)
  62 {
  63         if (cgit_virtual_root) {
  64                 return fmt("%s/%s/%s/?%s", cgit_virtual_root, reponame,
  65                            pagename, query);
  66         } else {
  67                 return fmt("?r=%s&p=%s&%s", reponame, pagename, query);
  68         }
  69 }
  70
  71 char *cgit_currurl()
  72 {
  73         if (!cgit_virtual_root)
  74                 return "./cgit.cgi";
  75         else if (cgit_query_page)
  76                 return fmt("%s/%s/%s/", cgit_virtual_root, cgit_query_repo, cgit_query_page);
  77         else if (cgit_query_repo)
  78                 return fmt("%s/%s/", cgit_virtual_root, cgit_query_repo);
  79         else
  80                 return fmt("%s/", cgit_virtual_root);
  81 }
  82
  83
  84 void cgit_print_date(unsigned long secs)
  85 {
  86         char buf[32];
  87         struct tm *time;
  88
  89         time = gmtime(&secs);
  90         strftime(buf, sizeof(buf), "%Y-%m-%d %H:%M:%S", time);
  91         html_txt(buf);
  92
  93 }
  94
  95 void cgit_print_docstart(char *title, struct cacheitem *item)
  96 {
  97         html("Content-Type: text/html; charset=utf-8\n");
  98         htmlf("Last-Modified: %s\n", http_date(item->st.st_mtime));
  99         htmlf("Expires: %s\n", http_date(item->st.st_mtime +
 100                                          ttl_seconds(item->ttl)));
 101         html("\n");
 102         html(cgit_doctype);
 103         html("<html>\n");
 104         html("<head>\n");
 105         html("<title>");
 106         html_txt(title);
 107         html("</title>\n");
 108         htmlf("<meta name='generator' content='cgit v%s'/>\n", cgit_version);
 109         html("<link rel='stylesheet' type='text/css' href='");
 110         html_attr(cgit_css);
 111         html("'/>\n");
 112         html("</head>\n");
 113         html("<body>\n");
 114 }
 115
 116 void cgit_print_docend()
 117 {
 118         html("</td></tr></table>");
 119         html("</body>\n</html>\n");
 120 }
 121
 122 void cgit_print_pageheader(char *title, int show_search)
 123 {
 124         html("<table id='layout'>");
 125         html("<tr><td id='header'>");
 126         html(cgit_root_title);
 127         html("</td><td id='logo'>");
 128         html("<a href='");
 129         html_attr(cgit_logo_link);
 130         htmlf("'><img src='%s'/></a>", cgit_logo);
 131         html("</td></tr>");
 132         html("<tr><td id='crumb'>");
 133         htmlf("<a href='%s'>root</a>", cgit_rooturl());
 134         if (cgit_query_repo) {
 135                 htmlf(" : <a href='%s'>", cgit_repourl(cgit_repo->url));
 136                 html_txt(cgit_repo->name);
 137                 htmlf("</a> : %s", title);
 138         }
 139         html("</td>");
 140         html("<td id='search'>");
 141         if (show_search) {
 142                 html("<form method='get' href='");
 143                 html_attr(cgit_currurl());
 144                 html("'>");
 145                 if (!cgit_virtual_root) {
 146                         if (cgit_query_repo)
 147                                 html_hidden("r", cgit_query_repo);
 148                         if (cgit_query_page)
 149                                 html_hidden("p", cgit_query_page);
 150                 }
 151                 if (cgit_query_head)
 152                         html_hidden("h", cgit_query_head);
 153                 if (cgit_query_sha1)
 154                         html_hidden("id", cgit_query_sha1);
 155                 if (cgit_query_sha2)
 156                         html_hidden("id2", cgit_query_sha2);
 157                 html("<input type='text' name='q' value='");
 158                 html_attr(cgit_query_search);
 159                 html("'/></form>");
 160         }
 161         html("</td></tr>");
 162         html("<tr><td id='content' colspan='2'>");
 163 }
 164
 165 void cgit_print_snapshot_start(const char *mimetype, const char *filename,
 166                                struct cacheitem *item)
 167 {
 168         htmlf("Content-Type: %s\n", mimetype);
 169         htmlf("Content-Disposition: inline; filename=\"%s\"\n", filename);
 170         htmlf("Last-Modified: %s\n", http_date(item->st.st_mtime));
 171         htmlf("Expires: %s\n", http_date(item->st.st_mtime +
 172                                          ttl_seconds(item->ttl)));
 173         html("\n");
 174 }