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_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 char *cgit_currurl()
  64 {
  65         if (!cgit_virtual_root)
  66                 return "./cgit.cgi";
  67         else if (cgit_query_page)
  68                 return fmt("%s/%s/%s/", cgit_virtual_root, cgit_query_repo, cgit_query_page);
  69         else if (cgit_query_repo)
  70                 return fmt("%s/%s/", cgit_virtual_root, cgit_query_repo);
  71         else
  72                 return fmt("%s/", cgit_virtual_root);
  73 }
  74
  75
  76 void cgit_print_date(unsigned long secs)
  77 {
  78         char buf[32];
  79         struct tm *time;
  80
  81         time = gmtime(&secs);
  82         strftime(buf, sizeof(buf), "%Y-%m-%d %H:%M:%S", time);
  83         html_txt(buf);
  84
  85 }
  86
  87 void cgit_print_docstart(char *title, struct cacheitem *item)
  88 {
  89         html("Content-Type: text/html; charset=utf-8\n");
  90         htmlf("Last-Modified: %s\n", http_date(item->st.st_mtime));
  91         htmlf("Expires: %s\n", http_date(item->st.st_mtime +
  92                                          ttl_seconds(item->ttl)));
  93         html("\n");
  94         html(cgit_doctype);
  95         html("<html>\n");
  96         html("<head>\n");
  97         html("<title>");
  98         html_txt(title);
  99         html("</title>\n");
 100         htmlf("<meta name='generator' content='cgit v%s'/>\n", cgit_version);
 101         html("<link rel='stylesheet' type='text/css' href='");
 102         html_attr(cgit_css);
 103         html("'/>\n");
 104         html("</head>\n");
 105         html("<body>\n");
 106 }
 107
 108 void cgit_print_docend()
 109 {
 110         html("</td></tr></table>");
 111         html("</body>\n</html>\n");
 112 }
 113
 114 void cgit_print_pageheader(char *title, int show_search)
 115 {
 116         html("<table id='layout'><tr><td id='header'>");
 117         htmlf("<a href='%s'>", cgit_logo_link);
 118         htmlf("<img id='logo' src='%s'/>\n", cgit_logo);
 119         htmlf("</a>");
 120         if (show_search) {
 121                 html("<form method='get' href='");
 122                 html_attr(cgit_currurl());
 123                 html("'>");
 124                 if (!cgit_virtual_root) {
 125                         if (cgit_query_repo)
 126                                 html_hidden("r", cgit_query_repo);
 127                         if (cgit_query_page)
 128                                 html_hidden("p", cgit_query_page);
 129                 }
 130                 if (cgit_query_head)
 131                         html_hidden("h", cgit_query_head);
 132                 if (cgit_query_sha1)
 133                         html_hidden("id", cgit_query_sha1);
 134                 if (cgit_query_sha2)
 135                         html_hidden("id2", cgit_query_sha2);
 136                 html("<input type='text' name='q' value='");
 137                 html_attr(cgit_query_search);
 138                 html("'/></form>");
 139         }
 140         if (cgit_query_repo)
 141                 htmlf("<a href='%s'>", cgit_repourl(cgit_query_repo));
 142         html_txt(title);
 143         if (cgit_query_repo)
 144                 html("</a>");
 145         html("</td></tr><tr><td id='content'>");
 146 }