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 int ttl_seconds(int 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_repourl(const char *reponame)
  44 {
  45         if (cgit_virtual_root) {
  46                 return fmt("%s/%s/", cgit_virtual_root, reponame);
  47         } else {
  48                 return fmt("?r=%s", reponame);
  49         }
  50 }
  51
  52 char *cgit_pageurl(const char *reponame, const char *pagename,
  53                    const char *query)
  54 {
  55         if (cgit_virtual_root) {
  56                 return fmt("%s/%s/%s/?%s", cgit_virtual_root, reponame,
  57                            pagename, query);
  58         } else {
  59                 return fmt("?r=%s&p=%s&%s", reponame, pagename, query);
  60         }
  61 }
  62
  63 void cgit_print_docstart(char *title, struct cacheitem *item)
  64 {
  65         html("Content-Type: text/html; charset=utf-8\n");
  66         htmlf("Last-Modified: %s\n", http_date(item->st.st_mtime));
  67         htmlf("Expires: %s\n", http_date(item->st.st_mtime +
  68                                          ttl_seconds(item->ttl)));
  69         html("\n");
  70         html(cgit_doctype);
  71         html("<html>\n");
  72         html("<head>\n");
  73         html("<title>");
  74         html_txt(title);
  75         html("</title>\n");
  76         htmlf("<meta name='generator' content='cgit v%s'/>\n", cgit_version);
  77         html("<link rel='stylesheet' type='text/css' href='");
  78         html_attr(cgit_css);
  79         html("'/>\n");
  80         html("</head>\n");
  81         html("<body>\n");
  82 }
  83
  84 void cgit_print_docend()
  85 {
  86         html("</body>\n</html>\n");
  87 }
  88
  89 void cgit_print_pageheader(char *title)
  90 {
  91         html("<div id='header'>");
  92         htmlf("<a href='%s'>", cgit_logo_link);
  93         htmlf("<img id='logo' src='%s'/>\n", cgit_logo);
  94         htmlf("</a>");
  95         html_txt(title);
  96         html("</div>");
  97 }