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                 return fmt("?r=%s&p=%s&%s", reponame, pagename, query);
  72         }
  73 }
  74
  75 char *cgit_currurl()
  76 {
  77         if (!cgit_virtual_root)
  78                 return cgit_script_name;
  79         else if (cgit_query_page)
  80                 return fmt("%s/%s/%s/", cgit_virtual_root, cgit_query_repo, cgit_query_page);
  81         else if (cgit_query_repo)
  82                 return fmt("%s/%s/", cgit_virtual_root, cgit_query_repo);
  83         else
  84                 return fmt("%s/", cgit_virtual_root);
  85 }
  86
  87
  88 void cgit_print_date(unsigned long secs)
  89 {
  90         char buf[32];
  91         struct tm *time;
  92
  93         time = gmtime(&secs);
  94         strftime(buf, sizeof(buf), "%Y-%m-%d %H:%M:%S", time);
  95         html_txt(buf);
  96 }
  97
  98 void cgit_print_docstart(char *title, struct cacheitem *item)
  99 {
 100         html("Content-Type: text/html; charset=utf-8\n");
 101         htmlf("Last-Modified: %s\n", http_date(item->st.st_mtime));
 102         htmlf("Expires: %s\n", http_date(item->st.st_mtime +
 103                                          ttl_seconds(item->ttl)));
 104         html("\n");
 105         html(cgit_doctype);
 106         html("<html>\n");
 107         html("<head>\n");
 108         html("<title>");
 109         html_txt(title);
 110         html("</title>\n");
 111         htmlf("<meta name='generator' content='cgit v%s'/>\n", cgit_version);
 112         html("<link rel='stylesheet' type='text/css' href='");
 113         html_attr(cgit_css);
 114         html("'/>\n");
 115         html("</head>\n");
 116         html("<body>\n");
 117 }
 118
 119 void cgit_print_docend()
 120 {
 121         html("</td></tr></table>");
 122         html("</body>\n</html>\n");
 123 }
 124
 125 void cgit_print_pageheader(char *title, int show_search)
 126 {
 127         html("<table id='layout'>");
 128         html("<tr><td id='header'>");
 129         html(cgit_root_title);
 130         html("</td><td id='logo'>");
 131         html("<a href='");
 132         html_attr(cgit_logo_link);
 133         htmlf("'><img src='%s'/></a>", cgit_logo);
 134         html("</td></tr>");
 135         html("<tr><td id='crumb'>");
 136         htmlf("<a href='%s'>root</a>", cgit_rooturl());
 137         if (cgit_query_repo) {
 138                 htmlf(" : <a href='%s'>", cgit_repourl(cgit_repo->url));
 139                 html_txt(cgit_repo->name);
 140                 htmlf("</a> : %s", title);
 141         }
 142         html("</td>");
 143         html("<td id='search'>");
 144         if (show_search) {
 145                 html("<form method='get' href='");
 146                 html_attr(cgit_currurl());
 147                 html("'>");
 148                 if (!cgit_virtual_root) {
 149                         if (cgit_query_repo)
 150                                 html_hidden("r", cgit_query_repo);
 151                         if (cgit_query_page)
 152                                 html_hidden("p", cgit_query_page);
 153                 }
 154                 if (cgit_query_head)
 155                         html_hidden("h", cgit_query_head);
 156                 if (cgit_query_sha1)
 157                         html_hidden("id", cgit_query_sha1);
 158                 if (cgit_query_sha2)
 159                         html_hidden("id2", cgit_query_sha2);
 160                 html("<input type='text' name='q' value='");
 161                 html_attr(cgit_query_search);
 162                 html("'/></form>");
 163         }
 164         html("</td></tr>");
 165         html("<tr><td id='content' colspan='2'>");
 166 }
 167
 168 void cgit_print_snapshot_start(const char *mimetype, const char *filename,
 169                                struct cacheitem *item)
 170 {
 171         htmlf("Content-Type: %s\n", mimetype);
 172         htmlf("Content-Disposition: inline; filename=\"%s\"\n", filename);
 173         htmlf("Last-Modified: %s\n", http_date(item->st.st_mtime));
 174         htmlf("Expires: %s\n", http_date(item->st.st_mtime +
 175                                          ttl_seconds(item->ttl)));
 176         html("\n");
 177 }