webcit/wiki.c

   1 /*
   2  * $Id$
   3  *
   4  * Functions pertaining to rooms with a wiki view
   5  */
   6
   7 #include "webcit.h"
   8 #include "groupdav.h"
   9
  10 /*
  11  * Convert a string to something suitable as a wiki index
  12  */
  13 void str_wiki_index(char *s)
  14 {
  15         int i;
  16
  17         if (s == NULL) return;
  18
  19         /* First remove all non-alphanumeric characters */
  20         for (i=0; i<strlen(s); ++i) {
  21                 if (!isalnum(s[i])) {
  22                         strcpy(&s[i], &s[i+1]);
  23                 }
  24         }
  25
  26         /* Then make everything lower case */
  27         for (i=0; i<strlen(s); ++i) {
  28                 s[i] = tolower(s[i]);
  29         }
  30 }
  31
  32 /*
  33  * Display a specific page from a wiki room
  34  */
  35 void display_wiki_page(void)
  36 {
  37         const StrBuf *Mime;
  38         const StrBuf *roomname;
  39         char pagename[128];
  40         char errmsg[256];
  41         long msgnum = (-1L);
  42
  43         roomname = sbstr("room");
  44         safestrncpy(pagename, bstr("page"), sizeof pagename);
  45         str_wiki_index(pagename);
  46
  47         if (StrLength(roomname) > 0) {
  48
  49                 /* If we're not in the correct room, try going there. */
  50                 if (strcasecmp(ChrPtr(roomname), ChrPtr(WC->wc_roomname))) {
  51                         gotoroom(roomname);
  52                 }
  53
  54                 /* If we're still not in the correct room, it doesn't exist. */
  55                 if (strcasecmp(ChrPtr(roomname), ChrPtr(WC->wc_roomname))) {
  56                         snprintf(errmsg, sizeof errmsg,
  57                                  _("There is no room called '%s'."),
  58                                  ChrPtr(roomname));
  59                         convenience_page("FF0000", _("Error"), errmsg);
  60                         return;
  61                 }
  62
  63         }
  64
  65         if (WC->wc_view != VIEW_WIKI) {
  66                 snprintf(errmsg, sizeof errmsg,
  67                         _("'%s' is not a Wiki room."),
  68                          ChrPtr(roomname));
  69                 convenience_page("FF0000", _("Error"), errmsg);
  70                 return;
  71         }
  72
  73         if (IsEmptyStr(pagename)) {
  74                 strcpy(pagename, "home");
  75         }
  76
  77         /* Found it!  Now read it. */
  78         msgnum = locate_message_by_uid(pagename);
  79         if (msgnum >= 0L) {
  80                 output_headers(1, 1, 1, 0, 0, 0);
  81                 read_message(WC->WBuf, HKEY("view_message"), msgnum, NULL, &Mime);
  82                 wDumpContent(1);
  83                 return;
  84         }
  85
  86         output_headers(1, 1, 1, 0, 0, 0);
  87         wprintf("<br /><br />"
  88                 "<div align=\"center\">"
  89                 "<table border=\"0\" bgcolor=\"#ffffff\" cellpadding=\"10\">"
  90                 "<tr><td align=\"center\">"
  91         );
  92         wprintf("<br><b>");
  93         wprintf(_("There is no page called '%s' here."), pagename);
  94         wprintf("</b><br><br>");
  95         wprintf(_("Select the 'Edit this page' link in the room banner "
  96                 "if you would like to create this page."));
  97         wprintf("<br><br>");
  98         wprintf("</td></tr></table></div>\n");
  99         wDumpContent(1);
 100 }
 101
 102 void
 103 InitModule_WIKI
 104 (void)
 105 {
 106         WebcitAddUrlHandler(HKEY("wiki"), display_wiki_page, 0);
 107         return ;
 108 }