+class wxExtHelpMapEntry : public wxObject
+{
+public:
+ int id;
+ wxString url;
+ wxString doc;
+ wxExtHelpMapEntry(int iid, wxString const &iurl, wxString const &idoc)
+ { id = iid; url = iurl; doc = idoc; }
+};
+
+void wxExtHelpController::DeleteList()
+{
+ if(m_MapList)
+ {
+ wxList::compatibility_iterator node = m_MapList->GetFirst();
+ while (node)
+ {
+ delete (wxExtHelpMapEntry *)node->GetData();
+ m_MapList->Erase(node);
+ node = m_MapList->GetFirst();
+ }
+ delete m_MapList;
+ m_MapList = (wxList*) NULL;
+ }
+}
+
+/** This must be called to tell the controller where to find the
+ documentation.
+ @param file - NOT a filename, but a directory name.
+ @return true on success
+*/
+bool
+wxExtHelpController::Initialize(const wxString& file)
+{
+ return LoadFile(file);
+}
+
+
+// ifile is the name of the base help directory
+bool wxExtHelpController::LoadFile(const wxString& ifile)
+{
+ wxString mapFile, file, url, doc;
+ int id,i,len;
+ char buffer[WXEXTHELP_BUFLEN];
+
+ wxBusyCursor b; // display a busy cursor
+
+ if(! ifile.empty())
+ {
+ file = ifile;
+ if(! wxIsAbsolutePath(file))
+ {
+ file = wxGetCwd();
+#ifdef __WXMAC__
+ file << ifile;
+#else
+ file << WXEXTHELP_SEPARATOR << ifile;
+#endif
+ }
+ else
+ file = ifile;
+
+#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.
+ if(wxGetLocale() && !wxGetLocale()->GetName().empty())
+ {
+ wxString newfile;
+ newfile << WXEXTHELP_SEPARATOR << wxGetLocale()->GetName();
+ if(wxDirExists(newfile))
+ file = newfile;
+ else
+ {
+ newfile = WXEXTHELP_SEPARATOR;
+ const wxChar *cptr = wxGetLocale()->GetName().c_str();
+ while(*cptr && *cptr != wxT('_'))
+ newfile << *(cptr++);
+ if(wxDirExists(newfile))
+ file = newfile;
+ }
+ }
+#endif
+
+ if(! wxDirExists(file))
+ return false;
+
+ mapFile << file << WXEXTHELP_SEPARATOR << WXEXTHELP_MAPFILE;
+ }
+ else // try to reload old file
+ mapFile = m_MapFile;
+
+ if(! wxFileExists(mapFile))
+ return false;
+
+ DeleteList();
+ m_MapList = new wxList;
+ m_NumOfEntries = 0;
+
+ FILE *input = wxFopen(mapFile,wxT("rt"));
+ if(! input)
+ return false;
+ do
+ {
+ if(fgets(buffer,WXEXTHELP_BUFLEN,input) && *buffer != WXEXTHELP_COMMENTCHAR)
+ {
+ len = strlen(buffer);
+ if(buffer[len-1] == '\n')
+ buffer[len-1] = '\0'; // cut of trailing newline
+ if(sscanf(buffer,"%d", &id) != 1)
+ break; // error
+ for(i=0; isdigit(buffer[i])||isspace(buffer[i])||buffer[i]=='-'; i++)
+ ; // find begin of URL
+ url = wxEmptyString;
+ while(buffer[i] && ! isspace(buffer[i]) && buffer[i] !=
+ WXEXTHELP_COMMENTCHAR)
+ url << (wxChar) buffer[i++];
+ while(buffer[i] && buffer[i] != WXEXTHELP_COMMENTCHAR)
+ i++;
+ doc = wxEmptyString;
+ if(buffer[i])
+ doc = wxString::FromAscii( (buffer + i + 1) ); // skip the comment character
+ m_MapList->Append(new wxExtHelpMapEntry(id,url,doc));
+ m_NumOfEntries++;
+ }
+ }while(! feof(input));
+ fclose(input);
+
+ m_MapFile = file; // 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)
+ {
+ entry = (wxExtHelpMapEntry *)node->GetData();
+ if(entry->id == CONTENTS_ID)
+ {
+ contents = entry->url;
+ break;
+ }
+ node = node->GetNext();
+ }
projects / wxWidgets.git / blobdiff