- wxString url;
- url << m_MapFile << '\\' << relativeURL.BeforeFirst('#');
-// will have to fix for OS/2, later.....DW
-// bool bOk = (int)ShellExecute(NULL, "open", url,
-// NULL, NULL, SW_SHOWNORMAL ) > 32;
-// if ( !bOk )
-// {
-// wxLogSysError(_("Cannot open URL '%s'"), relativeURL.c_str());
-// return false;
-// }
-// else
- return TRUE;
-
-#elif defined(__DOS__)
-
- wxString command;
- command = m_BrowserName;
- command << wxT(" file://")
- << m_MapFile << WXEXTHELP_SEPARATOR << relativeURL;
- return wxExecute(command) != 0;
-
-#else // UNIX
- wxString command;
-
- if(m_BrowserIsNetscape) // try re-loading first
+bool wxExtHelpController::ParseMapFileLine(const wxString& line)
+{
+ const wxChar *p = line.c_str();
+
+ // skip whitespace
+ while ( isascii(*p) && isspace(*p) )
+ p++;
+
+ // skip empty lines and comments
+ if ( *p == _T('\0') || *p == WXEXTHELP_COMMENTCHAR )
+ return true;
+
+ // the line is of the form "num url" so we must have an integer now
+ wxChar *end;
+ const unsigned long id = wxStrtoul(p, &end, 0);
+
+ if ( end == p )
+ return false;
+
+ p = end;
+ while ( isascii(*p) && isspace(*p) )
+ p++;
+
+ // next should be the URL
+ wxString url;
+ url.reserve(line.length());
+ while ( isascii(*p) && !isspace(*p) )
+ url += *p++;
+
+ while ( isascii(*p) && isspace(*p) )
+ p++;
+
+ // and finally the optional description of the entry after comment
+ wxString doc;
+ if ( *p == WXEXTHELP_COMMENTCHAR )
+ {
+ p++;
+ while ( isascii(*p) && isspace(*p) )
+ p++;
+ doc = p;
+ }
+
+ m_MapList->Append(new wxExtHelpMapEntry(id, url, doc));
+ m_NumOfEntries++;
+
+ return true;
+}
+
+// file is a misnomer as it's the name of the base help directory
+bool wxExtHelpController::LoadFile(const wxString& file)
+{
+ wxFileName helpDir(wxFileName::DirName(file));
+ helpDir.MakeAbsolute();
+
+ bool dirExists = false;
+
+#if wxUSE_INTL
+ // If a locale is set, look in file/localename, i.e. If passed
+ // "/usr/local/myapp/help" and the current wxLocale is set to be "de", then
+ // look in "/usr/local/myapp/help/de/" first and fall back to
+ // "/usr/local/myapp/help" if that doesn't exist.
+ const wxLocale * const loc = wxGetLocale();
+ if ( loc )
+ {
+ wxString locName = loc->GetName();
+
+ // the locale is in general of the form xx_YY.zzzz, try the full firm
+ // first and then also more general ones
+ wxFileName helpDirLoc(helpDir);
+ helpDirLoc.AppendDir(locName);
+ dirExists = helpDirLoc.DirExists();
+
+ if ( ! dirExists )
+ {
+ // try without encoding
+ const wxString locNameWithoutEncoding = locName.BeforeLast(_T('.'));
+ if ( !locNameWithoutEncoding.empty() )
+ {
+ helpDirLoc = helpDir;
+ helpDirLoc.AppendDir(locNameWithoutEncoding);
+ dirExists = helpDirLoc.DirExists();
+ }
+ }
+
+ if ( !dirExists )
+ {
+ // try without country part
+ wxString locNameWithoutCountry = locName.BeforeLast(_T('_'));
+ if ( !locNameWithoutCountry.empty() )
+ {
+ helpDirLoc = helpDir;
+ helpDirLoc.AppendDir(locNameWithoutCountry);
+ dirExists = helpDirLoc.DirExists();
+ }
+ }
+
+ if ( dirExists )
+ helpDir = helpDirLoc;
+ }
+#endif // wxUSE_INTL
+
+ if ( ! dirExists && !helpDir.DirExists() )
+ {
+ wxLogError(_("Help directory \"%s\" not found."),
+ helpDir.GetFullPath().c_str());
+ return false;
+ }
+
+ const wxFileName mapFile(helpDir.GetFullPath(), WXEXTHELP_MAPFILE);
+ if ( ! mapFile.FileExists() )
+ {
+ wxLogError(_("Help file \"%s\" not found."),
+ mapFile.GetFullPath().c_str());
+ return false;
+ }
+
+ DeleteList();
+ m_MapList = new wxList;
+ m_NumOfEntries = 0;
+
+ wxTextFile input;
+ if ( !input.Open(mapFile.GetFullPath()) )
+ return false;
+
+ for ( wxString& line = input.GetFirstLine();
+ !input.Eof();
+ line = input.GetNextLine() )
+ {
+ if ( !ParseMapFileLine(line) )
+ {
+ wxLogWarning(_("Line %lu of map file \"%s\" has invalid syntax, skipped."),
+ (unsigned long)input.GetCurrentLine(),
+ mapFile.GetFullPath().c_str());
+ }
+ }
+
+ if ( !m_NumOfEntries )
+ {
+ wxLogError(_("No valid mappings found in the file \"%s\"."),
+ mapFile.GetFullPath().c_str());
+ return false;
+ }
+
+ m_helpDir = helpDir.GetFullPath(); // now it's valid
+ return true;
+}
+
+
+bool wxExtHelpController::DisplayContents()
+{
+ if (! m_NumOfEntries)
+ return false;
+
+ wxString contents;
+ wxList::compatibility_iterator node = m_MapList->GetFirst();
+ wxExtHelpMapEntry *entry;
+ while (node)