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_backend(const StrBuf *roomname, char *pagename)
  36 {
  37         const StrBuf *Mime;
  38         long msgnum = (-1L);
  39
  40         str_wiki_index(pagename);
  41
  42         if (StrLength(roomname) > 0) {
  43
  44                 /* If we're not in the correct room, try going there. */
  45                 if (strcasecmp(ChrPtr(roomname), ChrPtr(WC->wc_roomname))) {
  46                         gotoroom(roomname);
  47                 }
  48
  49                 /* If we're still not in the correct room, it doesn't exist. */
  50                 if (strcasecmp(ChrPtr(roomname), ChrPtr(WC->wc_roomname))) {
  51                         wprintf(_("There is no room called '%s'."), ChrPtr(roomname));
  52                         return;
  53                 }
  54
  55         }
  56
  57         if (WC->wc_view != VIEW_WIKI) {
  58                 wprintf(_("'%s' is not a Wiki room."), ChrPtr(roomname));
  59                 return;
  60         }
  61
  62         if (IsEmptyStr(pagename)) {
  63                 strcpy(pagename, "home");
  64         }
  65
  66         /* Found it!  Now read it. */
  67         msgnum = locate_message_by_uid(pagename);
  68         if (msgnum >= 0L) {
  69                 read_message(WC->WBuf, HKEY("view_message"), msgnum, NULL, &Mime);
  70                 return;
  71         }
  72
  73         wprintf("<br /><br />"
  74                 "<div align=\"center\">"
  75                 "<table border=\"0\" bgcolor=\"#ffffff\" cellpadding=\"10\">"
  76                 "<tr><td align=\"center\">"
  77         );
  78         wprintf("<br><b>");
  79         wprintf(_("There is no page called '%s' here."), pagename);
  80         wprintf("</b><br><br>");
  81         wprintf(_("Select the 'Edit this page' link in the room banner "
  82                 "if you would like to create this page."));
  83         wprintf("<br><br>");
  84         wprintf("</td></tr></table></div>\n");
  85 }
  86
  87
  88 /*
  89  * Display a specific page from a wiki room
  90  */
  91 void display_wiki_page(void)
  92 {
  93         const StrBuf *roomname;
  94         char pagename[128];
  95
  96         output_headers(1, 1, 1, 0, 0, 0);
  97         roomname = sbstr("room");
  98         safestrncpy(pagename, bstr("page"), sizeof pagename);
  99         display_wiki_page_backend(roomname, pagename);
 100         wDumpContent(1);
 101 }
 102
 103
 104 int wiki_Cleanup(void **ViewSpecific)
 105 {
 106         char pagename[5];
 107         safestrncpy(pagename, "home", sizeof pagename);
 108         display_wiki_page_backend(WC->wc_roomname, pagename);
 109         wDumpContent(1);
 110         return 0;
 111 }
 112
 113 void
 114 InitModule_WIKI
 115 (void)
 116 {
 117         RegisterReadLoopHandlerset(
 118                 VIEW_WIKI,
 119                 NULL,
 120                 NULL,
 121                 NULL,
 122                 NULL,
 123                 wiki_Cleanup
 124         );
 125
 126         WebcitAddUrlHandler(HKEY("wiki"), display_wiki_page, 0);
 127 }
 128
 129