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_script_name;
  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                 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
  78 char *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
  91 void cgit_print_date(unsigned long secs)
  92 {
  93         char buf[32];
  94         struct tm *time;
  95
  96         time = gmtime(&secs);
  97         strftime(buf, sizeof(buf), "%Y-%m-%d %H:%M:%S", time);
  98         html_txt(buf);
  99 }
 100
 101 void cgit_print_docstart(char *title, struct cacheitem *item)
 102 {
 103         html("Content-Type: text/html; charset=utf-8\n");
 104         htmlf("Last-Modified: %s\n", http_date(item->st.st_mtime));
 105         htmlf("Expires: %s\n", http_date(item->st.st_mtime +
 106                                          ttl_seconds(item->ttl)));
 107         html("\n");
 108         html(cgit_doctype);
 109         html("<html>\n");
 110         html("<head>\n");
 111         html("<title>");
 112         html_txt(title);
 113         html("</title>\n");
 114         htmlf("<meta name='generator' content='cgit v%s'/>\n", cgit_version);
 115         html("<link rel='stylesheet' type='text/css' href='");
 116         html_attr(cgit_css);
 117         html("'/>\n");
 118         html("</head>\n");
 119         html("<body>\n");
 120 }
 121
 122 void cgit_print_docend()
 123 {
 124         html("</td></tr></table>");
 125         html("</body>\n</html>\n");
 126 }
 127
 128 void cgit_print_pageheader(char *title, int show_search)
 129 {
 130         html("<table id='layout'>");
 131         html("<tr><td id='header'>");
 132         html(cgit_root_title);
 133         html("</td><td id='logo'>");
 134         html("<a href='");
 135         html_attr(cgit_logo_link);
 136         htmlf("'><img src='%s'/></a>", cgit_logo);
 137         html("</td></tr>");
 138         html("<tr><td id='crumb'>");
 139         htmlf("<a href='%s'>root</a>", cgit_rooturl());
 140         if (cgit_query_repo) {
 141                 htmlf(" : <a href='%s'>", cgit_repourl(cgit_repo->url));
 142                 html_txt(cgit_repo->name);
 143                 htmlf("</a> : %s", title);
 144         }
 145         html("</td>");
 146         html("<td id='search'>");
 147         if (show_search) {
 148                 html("<form method='get' href='");
 149                 html_attr(cgit_currurl());
 150                 html("'>");
 151                 if (!cgit_virtual_root) {
 152                         if (cgit_query_repo)
 153                                 html_hidden("r", cgit_query_repo);
 154                         if (cgit_query_page)
 155                                 html_hidden("p", cgit_query_page);
 156                 }
 157                 if (cgit_query_head)
 158                         html_hidden("h", cgit_query_head);
 159                 if (cgit_query_sha1)
 160                         html_hidden("id", cgit_query_sha1);
 161                 if (cgit_query_sha2)
 162                         html_hidden("id2", cgit_query_sha2);
 163                 html("<input type='text' name='q' value='");
 164                 html_attr(cgit_query_search);
 165                 html("'/></form>");
 166         }
 167         html("</td></tr>");
 168         html("<tr><td id='content' colspan='2'>");
 169 }
 170
 171 void cgit_print_snapshot_start(const char *mimetype, const char *filename,
 172                                struct cacheitem *item)
 173 {
 174         htmlf("Content-Type: %s\n", mimetype);
 175         htmlf("Content-Disposition: inline; filename=\"%s\"\n", filename);
 176         htmlf("Last-Modified: %s\n", http_date(item->st.st_mtime));
 177         htmlf("Expires: %s\n", http_date(item->st.st_mtime +
 178                                          ttl_seconds(item->ttl)));
 179         html("\n");
 180 }