C++ wxFileName函数代码示例

/// @brief Opens video
/// @param filename The filename to open
void FFmpegSourceVideoProvider::LoadVideo(wxString filename) {
	wxString FileNameShort = wxFileName(filename).GetShortPath();

	FFMS_Indexer *Indexer = FFMS_CreateIndexer(FileNameShort.utf8_str(), &ErrInfo);
	if (!Indexer)
		throw agi::FileNotFoundError(ErrInfo.Buffer);

	std::map<int,wxString> TrackList = GetTracksOfType(Indexer, FFMS_TYPE_VIDEO);
	if (TrackList.size() <= 0)
		throw VideoNotSupported("no video tracks found");

	// initialize the track number to an invalid value so we can detect later on
	// whether the user actually had to choose a track or not
	int TrackNumber = -1;
	if (TrackList.size() > 1) {
		TrackNumber = AskForTrackSelection(TrackList, FFMS_TYPE_VIDEO);
		// if it's still -1 here, user pressed cancel
		if (TrackNumber == -1)
			throw agi::UserCancelException("video loading cancelled by user");
	}

	// generate a name for the cache file
	wxString CacheName = GetCacheFilename(filename);

	// try to read index
	agi::scoped_holder<FFMS_Index*, void (FFMS_CC*)(FFMS_Index*)>
		Index(FFMS_ReadIndex(CacheName.utf8_str(), &ErrInfo), FFMS_DestroyIndex);

	if (Index && FFMS_IndexBelongsToFile(Index, FileNameShort.utf8_str(), &ErrInfo))
		Index = NULL;

	// time to examine the index and check if the track we want is indexed
	// technically this isn't really needed since all video tracks should always be indexed,
	// but a bit of sanity checking never hurt anyone
	if (Index && TrackNumber >= 0) {
		FFMS_Track *TempTrackData = FFMS_GetTrackFromIndex(Index, TrackNumber);
		if (FFMS_GetNumFrames(TempTrackData) <= 0)
			Index = NULL;
	}

	// moment of truth
	if (!Index) {
		int TrackMask = FFMS_TRACKMASK_NONE;
		if (OPT_GET("Provider/FFmpegSource/Index All Tracks")->GetBool() || OPT_GET("Video/Open Audio")->GetBool())
			TrackMask = FFMS_TRACKMASK_ALL;
		Index = DoIndexing(Indexer, CacheName, TrackMask, GetErrorHandlingMode());
	}
	else {
		FFMS_CancelIndexing(Indexer);
	}

	// update access time of index file so it won't get cleaned away
	wxFileName(CacheName).Touch();

	// we have now read the index and may proceed with cleaning the index cache
	CleanCache();

	// track number still not set?
	if (TrackNumber < 0) {
		// just grab the first track
		TrackNumber = FFMS_GetFirstIndexedTrackOfType(Index, FFMS_TYPE_VIDEO, &ErrInfo);
		if (TrackNumber < 0)
			throw VideoNotSupported(std::string("Couldn't find any video tracks: ") + ErrInfo.Buffer);
	}

	// set thread count
	int Threads = OPT_GET("Provider/Video/FFmpegSource/Decoding Threads")->GetInt();
	if (FFMS_GetVersion() < ((2 << 24) | (17 << 16) | (2 << 8) | 1) && FFMS_GetSourceType(Index) == FFMS_SOURCE_LAVF)
		Threads = 1;

	// set seekmode
	// TODO: give this its own option?
	int SeekMode;
	if (OPT_GET("Provider/Video/FFmpegSource/Unsafe Seeking")->GetBool())
		SeekMode = FFMS_SEEK_UNSAFE;
	else
		SeekMode = FFMS_SEEK_NORMAL;

	VideoSource = FFMS_CreateVideoSource(FileNameShort.utf8_str(), TrackNumber, Index, Threads, SeekMode, &ErrInfo);
	if (!VideoSource)
		throw VideoOpenError(std::string("Failed to open video track: ") + ErrInfo.Buffer);

	// load video properties
	VideoInfo = FFMS_GetVideoProperties(VideoSource);

	const FFMS_Frame *TempFrame = FFMS_GetFrame(VideoSource, 0, &ErrInfo);
	if (!TempFrame)
		throw VideoOpenError(std::string("Failed to decode first frame: ") + ErrInfo.Buffer);

	Width  = TempFrame->EncodedWidth;
	Height = TempFrame->EncodedHeight;
	if (VideoInfo->SARDen > 0 && VideoInfo->SARNum > 0)
		DAR = double(Width) * VideoInfo->SARNum / ((double)Height * VideoInfo->SARDen);
	else
		DAR = double(Width) / Height;

	// Assuming TV for unspecified
	wxString ColorRange = TempFrame->ColorRange == FFMS_CR_JPEG ? "PC" : "TV";
//.........这里部分代码省略.........

wxString wxStandardPaths::GetPluginsDir() const
{
    return wxFileName(wxGetFullModuleName()).GetPath();
}

String pathGetFileName(const String& path)
{
    return wxFileName(path).GetFullName();
}

void VideoContext::SetVideo(const wxString &filename) {
	Reset();
	if (filename.empty()) {
		VideoOpen();
		return;
	}

	bool commit_subs = false;
	try {
		provider.reset(new ThreadedFrameSource(filename, this));
		videoProvider = provider->GetVideoProvider();
		videoFile = filename;

		// Check that the script resolution matches the video resolution
		int sx = context->ass->GetScriptInfoAsInt("PlayResX");
		int sy = context->ass->GetScriptInfoAsInt("PlayResY");
		int vx = GetWidth();
		int vy = GetHeight();

		// If the script resolution hasn't been set at all just force it to the
		// video resolution
		if (sx == 0 && sy == 0) {
			context->ass->SetScriptInfo("PlayResX", wxString::Format("%d", vx));
			context->ass->SetScriptInfo("PlayResY", wxString::Format("%d", vy));
			commit_subs = true;
		}
		// If it has been set to something other than a multiple of the video
		// resolution, ask the user if they want it to be fixed
		else if (sx % vx != 0 || sy % vy != 0) {
			switch (OPT_GET("Video/Check Script Res")->GetInt()) {
			case 1: // Ask to change on mismatch
				if (wxYES != wxMessageBox(
					wxString::Format(_("The resolution of the loaded video and the resolution specified for the subtitles don't match.\n\nVideo resolution:\t%d x %d\nScript resolution:\t%d x %d\n\nChange subtitles resolution to match video?"), vx, vy, sx, sy),
					_("Resolution mismatch"),
					wxYES_NO | wxCENTER,
					context->parent))

					break;
				// Fallthrough to case 2
			case 2: // Always change script res
				context->ass->SetScriptInfo("PlayResX", wxString::Format("%d", vx));
				context->ass->SetScriptInfo("PlayResY", wxString::Format("%d", vy));
				commit_subs = true;
				break;
			default: // Never change
				break;
			}
		}

		keyFrames = videoProvider->GetKeyFrames();

		// Set frame rate
		videoFPS = videoProvider->GetFPS();
		if (ovrFPS.IsLoaded()) {
			int ovr = wxMessageBox(_("You already have timecodes loaded. Would you like to replace them with timecodes from the video file?"), _("Replace timecodes?"), wxYES_NO | wxICON_QUESTION);
			if (ovr == wxYES) {
				ovrFPS = agi::vfr::Framerate();
				ovrTimecodeFile.clear();
			}
		}

		// Set aspect ratio
		double dar = videoProvider->GetDAR();
		if (dar > 0)
			SetAspectRatio(4, dar);

		// Set filename
		config::mru->Add("Video", STD_STR(filename));
		StandardPaths::SetPathValue("?video", wxFileName(filename).GetPath());

		// Show warning
		wxString warning = videoProvider->GetWarning();
		if (!warning.empty()) wxMessageBox(warning, "Warning", wxICON_WARNING | wxOK);

		hasSubtitles = false;
		if (filename.Right(4).Lower() == ".mkv") {
			hasSubtitles = MatroskaWrapper::HasSubtitles(filename);
		}

		provider->LoadSubtitles(context->ass);
		VideoOpen();
		KeyframesOpen(keyFrames);
		TimecodesOpen(FPS());
	}
	catch (agi::UserCancelException const&) { }
	catch (agi::FileNotAccessibleError const& err) {
		config::mru->Remove("Video", STD_STR(filename));
		wxMessageBox(lagi_wxString(err.GetMessage()), "Error setting video", wxOK | wxICON_ERROR | wxCENTER);
	}
	catch (VideoProviderError const& err) {
		wxMessageBox(lagi_wxString(err.GetMessage()), "Error setting video", wxOK | wxICON_ERROR | wxCENTER);
	}

	if (commit_subs)
		context->ass->Commit(_("change script resolution"), AssFile::COMMIT_SCRIPTINFO);
	else
		JumpToFrame(0);
}

int ExportFFmpeg::Export(AudacityProject *project,
                       int channels, wxString fName,
                       bool selectionOnly, double t0, double t1, MixerSpec *mixerSpec, Tags *metadata, int subformat)
{
   if (!CheckFFmpegPresence())
      return false;
   mChannels = channels;
   // subformat index may not correspond directly to fmts[] index, convert it
   mSubFormat = AdjustFormatIndex(subformat);
   if (channels > ExportFFmpegOptions::fmts[mSubFormat].maxchannels)
   {
      wxMessageBox(
         wxString::Format(
               _("Attempted to export %d channels, but maximum number of channels for selected output format is %d"),
               channels,
               ExportFFmpegOptions::fmts[mSubFormat].maxchannels),
            _("Error"));
      return false;
   }
   mName = fName;
   TrackList *tracks = project->GetTracks();
   bool ret = true;

   if (mSubFormat >= FMT_LAST) return false;

   wxString shortname(ExportFFmpegOptions::fmts[mSubFormat].shortname);
   if (mSubFormat == FMT_OTHER)
      shortname = gPrefs->Read(wxT("/FileFormats/FFmpegFormat"),wxT("matroska"));
   ret = Init(shortname.mb_str(),project, metadata, subformat);

   if (!ret) return false;

   int pcmBufferSize = 1024;
   int numWaveTracks;
   WaveTrack **waveTracks;
   tracks->GetWaveTracks(selectionOnly, &numWaveTracks, &waveTracks);
   Mixer *mixer = CreateMixer(numWaveTracks, waveTracks,
      tracks->GetTimeTrack(),
      t0, t1,
      channels, pcmBufferSize, true,
      mSampleRate, int16Sample, true, mixerSpec);
   delete [] waveTracks;

   ProgressDialog *progress = new ProgressDialog(wxFileName(fName).GetName(),
      selectionOnly ?
      wxString::Format(_("Exporting selected audio as %s"), ExportFFmpegOptions::fmts[mSubFormat].description) :
   wxString::Format(_("Exporting entire file as %s"), ExportFFmpegOptions::fmts[mSubFormat].description));

   int updateResult = eProgressSuccess;

   while(updateResult == eProgressSuccess) {
      sampleCount pcmNumSamples = mixer->Process(pcmBufferSize);

      if (pcmNumSamples == 0)
         break;

      short *pcmBuffer = (short *)mixer->GetBuffer();

      EncodeAudioFrame(pcmBuffer,(pcmNumSamples)*sizeof(int16_t)*mChannels);

      updateResult = progress->Update(mixer->MixGetCurrentTime()-t0, t1-t0);
   }

   delete progress;

   delete mixer;

   Finalize();

   return updateResult;
}

bool PWUpdaterApp::OnInit()
{
    /* init locale */
    wxStandardPaths &stdPaths = wxStandardPaths::Get();
    wxString localePath = wxFileName(stdPaths.GetExecutablePath()).GetPath(true) + wxT("locale");
    if (!_locale.Init(DetectInstalledLanguages()))
    {
        wxLogWarning(wxT("Selected language is not supported by system."));
    }
    _locale.AddCatalogLookupPathPrefix(localePath);
    _locale.AddCatalog(GetAppName());
    _locale.AddCatalog(wxT("wxstd"));

    /* add description after locale initialization, so that description can be translated. */
    AddLanguageDescriptions();

    /* collect network adapter info */
    if (DetectNetAdapter())
    {
        if (m_adapterList.empty())
        {
            wxLogError(_("No network adapter is availabled, force to use external tftp server!"));
            m_pOpt->SetOption(wxT("UseInternalTftp"), false);
        }
    }
    else
    {
        wxLogError(_("Failed to detect network adapters info, application will be terminated!"));
        return false;
    }

    /*
       use default (the first) active interface when
       (1) database is new created, or
       (2) interface store in database doesn't exist now
     */
    bool useDefaultInterface = false;
    wxString ifName = m_pOpt->GetOption(wxT("ActivedInterface"));
    if (ifName.IsEmpty())
        useDefaultInterface = true;
    else
    {
        wxVector<NetAdapter>::iterator it;
        for (it = m_adapterList.begin(); it != m_adapterList.end(); ++it)
        {
            if (ifName == it->GetName())
                break;
        }

        if (it == m_adapterList.end())
            useDefaultInterface = true;
    }
    if (useDefaultInterface && (m_adapterList.size() > 0))
        m_pOpt->SetOption(wxT("ActivedInterface"), m_adapterList.at(0).GetName());

    /*
       use current working path when
       (1) path stored in database doesn't exist now any more
     */
    bool useCurrentPath = false;
    wxString rootPath = m_pOpt->GetOption(wxT("TftpdRoot"));
    if (!rootPath.empty())
    {
        if (!wxFileName::DirExists(rootPath))
            useCurrentPath = true;
    }
    if (useCurrentPath)
        m_pOpt->SetOption(wxT("TftpdRoot"), wxString(wxEmptyString));

    /* create main frame */
    PWUpdaterFrame *frame = new PWUpdaterFrame(NULL, myID_FRAME);
    frame->Show();
    return true;
}

bool Panel_Remaps::DoChangeImgBase( bool b_quiet, bool standalone)
{
	paletteCtrl->Reset(false);
	if( curr_remap == NULL )
		return false;

	int i_EnableEditingTheRemap = 1;
	bool res = false;

	wxString ob_basePath = txtctrl_imgBase->GetValue();
	wxString _basePath = GetObFile( ob_basePath ).GetFullPath();

	//******************************
	// Make the change to the ob_object
	if( mode8bit )
	{
		wxString old_path = curr_remap->GetToken( 0 );
		if( old_path != ob_basePath )
		{
			entity->SetChanged();
			curr_remap->SetToken( 0, ob_basePath );
		}
	}
	else
	{
		ob_object *pal_obobj = entity->GetProperty( wxT("palette") );

		// No current palette tag in the current entity
		wxString old_path = wxString();
		if( pal_obobj == NULL )
		{
			pal_obobj = new ob_object();
			pal_obobj->SetName( wxT("palette") );

			//Try to insert one before the first alternatepal
			size_t nb_remap;
			ob_object** _t = entity->GetSubObjectS( wxT("alternatepal"),nb_remap );
			
			if( _t != NULL )
			{
				_t[nb_remap-1]->InsertObject_After( pal_obobj );
				delete[] _t;
			}
			// Try to insert it before the first anim
			else
				entity->AddProperty( pal_obobj );
		}
		else
			old_path = pal_obobj->GetToken( 0 );

		// Set the palette tag
		if( old_path != ob_basePath )
		{
			// Check if the user really want to change the image base for all remaps
			int res = wxMessageBox( wxT("Do your really want to change the image base for all 16Bits remaps ?"), wxT("Question"), wxYES_NO | wxICON_INFORMATION, this );
			if( res != wxYES )
				return false;

			entity->SetChanged();
			pal_obobj->SetToken( 0, ob_basePath );
		}
	}


	//******************************
	// Check if it's a valid path
	if( ! wxFileName( _basePath ).FileExists() && !b_quiet )
	{
		wxMessageBox( wxT("The Base image for this remap doesn't exist")
		, wxT("ProPlem"), wxOK | wxICON_INFORMATION, this );
	}

	else if( IsFileEmpty(_basePath) && !b_quiet )
	{
		wxMessageBox( wxT("The Base image for this remap is an empty file !!")
		, wxT("ProPlem"), wxOK | wxICON_INFORMATION, this );
	}


	//******************************
	// Try to load the palette
	else if( paletteCtrl->TryToInitWithImage( _basePath ) )
	{
		res = true;
		i_EnableEditingTheRemap = 0;

		//******************************
		// Try to quietly to load the dest palette
		if( standalone  )
			DoChangeImgDest( true, false);
	}

	EnableEditingTheRemap(i_EnableEditingTheRemap);
	if( standalone )
		Refresh();

	return res;
}

XNODE* NETLIST_EXPORTER_GENERIC::makeDesignHeader()
{
    SCH_SCREEN* screen;
    XNODE*     xdesign = node( wxT("design") );
    XNODE*     xtitleBlock;
    XNODE*     xsheet;
    XNODE*     xcomment;
    wxString   sheetTxt;
    wxFileName sourceFileName;

    // the root sheet is a special sheet, call it source
    xdesign->AddChild( node( wxT( "source" ), g_RootSheet->GetScreen()->GetFileName() ) );

    xdesign->AddChild( node( wxT( "date" ), DateAndTime() ) );

    // which Eeschema tool
    xdesign->AddChild( node( wxT( "tool" ), wxT( "Eeschema " ) + GetBuildVersion() ) );

    /*
        Export the sheets information
    */
    SCH_SHEET_LIST sheetList;

    for( SCH_SHEET_PATH* sheet = sheetList.GetFirst();  sheet;  sheet = sheetList.GetNext() )
    {
        screen = sheet->LastScreen();

        xdesign->AddChild( xsheet = node( wxT( "sheet" ) ) );

        // get the string representation of the sheet index number.
        // Note that sheet->GetIndex() is zero index base and we need to increment the number by one to make
        // human readable
        sheetTxt.Printf( wxT( "%d" ), ( sheetList.GetIndex() + 1 ) );
        xsheet->AddAttribute( wxT( "number" ), sheetTxt );
        xsheet->AddAttribute( wxT( "name" ), sheet->PathHumanReadable() );
        xsheet->AddAttribute( wxT( "tstamps" ), sheet->Path() );


        TITLE_BLOCK tb = screen->GetTitleBlock();

        xsheet->AddChild( xtitleBlock = node( wxT( "title_block" ) ) );

        xtitleBlock->AddChild( node( wxT( "title" ), tb.GetTitle() ) );
        xtitleBlock->AddChild( node( wxT( "company" ), tb.GetCompany() ) );
        xtitleBlock->AddChild( node( wxT( "rev" ), tb.GetRevision() ) );
        xtitleBlock->AddChild( node( wxT( "date" ), tb.GetDate() ) );

        // We are going to remove the fileName directories.
        sourceFileName = wxFileName( screen->GetFileName() );
        xtitleBlock->AddChild( node( wxT( "source" ), sourceFileName.GetFullName() ) );

        xtitleBlock->AddChild( xcomment = node( wxT( "comment" ) ) );
        xcomment->AddAttribute( wxT("number"), wxT("1") );
        xcomment->AddAttribute( wxT( "value" ), tb.GetComment1() );

        xtitleBlock->AddChild( xcomment = node( wxT( "comment" ) ) );
        xcomment->AddAttribute( wxT("number"), wxT("2") );
        xcomment->AddAttribute( wxT( "value" ), tb.GetComment2() );

        xtitleBlock->AddChild( xcomment = node( wxT( "comment" ) ) );
        xcomment->AddAttribute( wxT("number"), wxT("3") );
        xcomment->AddAttribute( wxT( "value" ), tb.GetComment3() );

        xtitleBlock->AddChild( xcomment = node( wxT( "comment" ) ) );
        xcomment->AddAttribute( wxT("number"), wxT("4") );
        xcomment->AddAttribute( wxT( "value" ), tb.GetComment4() );
    }

    return xdesign;
}

void ShellExtensions::OnRunTarget(wxCommandEvent& event)
{
    int ID=event.GetId();
    wxString commandstr;
    wxString consolename;
    wxString workingdir;
    bool windowed=false;
    bool console=false;
    if(ID>=ID_ContextMenu_0&&ID<=ID_ContextMenu_49)
    {
        m_interpnum=m_contextvec[ID-ID_ContextMenu_0];
        commandstr=m_ic.interps[m_interpnum].command;
        consolename=m_ic.interps[m_interpnum].name;
        windowed=(m_ic.interps[m_interpnum].mode==_("W"));
        console=(m_ic.interps[m_interpnum].mode==_("C"));
        workingdir=m_ic.interps[m_interpnum].wdir;
    } else
    if(ID>=ID_SubMenu_0&&ID<=ID_SubMenu_49)
    {
        m_interpnum=ID-ID_SubMenu_0;
        commandstr=m_ic.interps[m_interpnum].command;
        consolename=m_ic.interps[m_interpnum].name;
        windowed=(m_ic.interps[m_interpnum].mode==_("W"));
        console=(m_ic.interps[m_interpnum].mode==_("C"));
        workingdir=m_ic.interps[m_interpnum].wdir;
        m_wildcard=m_ic.interps[m_interpnum].wildcards;
        if(m_ic.interps[m_interpnum].command.Find(_T("$file"))>0 ||
            m_ic.interps[m_interpnum].command.Find(_T("$path"))>0)
        {
            OnSetTarget(event);
            if(!wxFileName::FileExists(m_RunTarget))
            {
                LogMessage(_("ShellExtensions: ")+m_RunTarget+_(" not found"));
                return;
            }
        }
        if(m_ic.interps[m_interpnum].command.Find(_T("$dir"))>0)
        {
            OnSetDirTarget(event);
            if(!wxFileName::DirExists(m_RunTarget))
            {
                LogMessage(_("Shell Extensions: ")+m_RunTarget+_(" not found"));
                return;
            }
            if(m_RunTarget==_T(""))
                return;
        }
        if(m_ic.interps[m_interpnum].command.Find(_T("$mpaths"))>0)
        {
            OnSetMultiTarget(event);
            if(m_RunTarget==_T(""))
                return;
        }
    }
    else
    {
        LogMessage(wxString::Format(_T("WARNING: Unprocessed ShellCommand Menu Message: ID %i, IDbase %i, IDend %i, num items on menu %i"),ID,ID_ContextMenu_0,ID_ContextMenu_49,(int)m_contextvec.size()));
        return;
    }

    m_RunTarget.Replace(_T("*"),_T(" "));

    bool setdir=true;
    commandstr.Replace(_T("$file"),wxFileName(m_RunTarget).GetShortPath());
    commandstr.Replace(_T("$relfile"),wxFileName(m_RunTarget).GetFullName());
    commandstr.Replace(_T("$fname"),wxFileName(m_RunTarget).GetName());
    commandstr.Replace(_T("$fext"),wxFileName(m_RunTarget).GetExt());
    commandstr.Replace(_T("$dir"),wxFileName(m_RunTarget).GetShortPath());
    commandstr.Replace(_T("$reldir"),wxFileName(m_RunTarget).GetFullName());
    commandstr.Replace(_T("$path"),wxFileName(m_RunTarget).GetShortPath());
    commandstr.Replace(_T("$relpath"),wxFileName(m_RunTarget).GetFullPath());
    if(commandstr.Replace(_T("$mpaths"),m_RunTarget)>0)
        setdir=false;

    // substitute user prompted values in the format: $inputstr{Enter your message}
    int promptind=commandstr.Find(_T("$inputstr{"));
    wxString substitution;
    while(promptind>=0)
    {
        int promptend=commandstr.Mid(promptind+10).Find(_T("}"));
        if(promptend<=0)
        {
            cbMessageBox(_T("Malformed $inputstr in command line -- no closing '}' found: ")+commandstr);
            return;
        }
        else
            promptend++;
        wxTextEntryDialog ted(NULL,commandstr.Mid(promptind+10,promptend-1),consolename,_T(""),wxOK|wxCANCEL);
        if(ted.ShowModal()==wxID_OK)
            substitution=ted.GetValue();
        else
            return;
        commandstr=commandstr.Left(promptind)+substitution+commandstr.Mid(promptind+10+promptend);
        int nextind=commandstr.Mid(promptind+substitution.Len()).Find(_T("$inputstr"));
        if(nextind>=0)
            promptind+=nextind+substitution.Len();
        else
            promptind=-1;
    }

//.........这里部分代码省略.........

wxString wxCmdLineParser::GetUsageString() const
{
    wxString appname;
    if ( m_data->m_arguments.empty() )
    {
        if ( wxTheApp )
            appname = wxTheApp->GetAppName();
    }
    else // use argv[0]
    {
        appname = wxFileName(m_data->m_arguments[0]).GetName();
    }

    // we construct the brief cmd line desc on the fly, but not the detailed
    // help message below because we want to align the options descriptions
    // and for this we must first know the longest one of them
    wxString usage;
    wxArrayString namesOptions, descOptions;

    if ( !m_data->m_logo.empty() )
    {
        usage << m_data->m_logo << wxT('\n');
    }

    usage << wxString::Format(_("Usage: %s"), appname.c_str());

    // the switch char is usually '-' but this can be changed with
    // SetSwitchChars() and then the first one of possible chars is used
    wxChar chSwitch = !m_data->m_switchChars ? wxT('-')
                                             : m_data->m_switchChars[0u];

    bool areLongOptionsEnabled = AreLongOptionsEnabled();
    size_t n, count = m_data->m_options.GetCount();
    for ( n = 0; n < count; n++ )
    {
        wxCmdLineOption& opt = m_data->m_options[n];
        wxString option;

        if ( opt.kind != wxCMD_LINE_USAGE_TEXT )
        {
            usage << wxT(' ');
            if ( !(opt.flags & wxCMD_LINE_OPTION_MANDATORY) )
            {
                usage << wxT('[');
            }

            if ( !opt.shortName.empty() )
            {
                usage << chSwitch << opt.shortName;
            }
            else if ( areLongOptionsEnabled && !opt.longName.empty() )
            {
                usage << wxT("--") << opt.longName;
            }
            else
            {
                if (!opt.longName.empty())
                {
                    wxFAIL_MSG( wxT("option with only a long name while long ")
                                wxT("options are disabled") );
                }
                else
                {
                    wxFAIL_MSG( wxT("option without neither short nor long name") );
                }
            }

            if ( !opt.shortName.empty() )
            {
                option << wxT("  ") << chSwitch << opt.shortName;
            }

            if ( areLongOptionsEnabled && !opt.longName.empty() )
            {
                option << (option.empty() ? wxT("  ") : wxT(", "))
                       << wxT("--") << opt.longName;
            }

            if ( opt.kind != wxCMD_LINE_SWITCH )
            {
                wxString val;
                val << wxT('<') << GetTypeName(opt.type) << wxT('>');
                usage << wxT(' ') << val;
                option << (!opt.longName ? wxT(':') : wxT('=')) << val;
            }

            if ( !(opt.flags & wxCMD_LINE_OPTION_MANDATORY) )
            {
                usage << wxT(']');
            }
        }

        namesOptions.push_back(option);
        descOptions.push_back(opt.description);
    }

    count = m_data->m_paramDesc.GetCount();
    for ( n = 0; n < count; n++ )
    {
        wxCmdLineParam& param = m_data->m_paramDesc[n];
//.........这里部分代码省略.........

 EventGenerator(const wxFileName& path) : m_base(path)
 {
     m_old = wxFileName();
     m_file = RandomName();
     m_new = RandomName();
 }

void OnOptions2(int event_id)
{//==========================
	wxString string;
	int value;

	switch(event_id)
	{
	case MENU_OPT_SPEED:
		value = wxGetNumberFromUser(_T(""),_T(""),_T("Speed"),option_speed,80,500);
		if(value > 0)
		{
			option_speed = value;
			SetParameter(espeakRATE,option_speed,0);
			SetSpeed(3);
		}
		break;

	case MENU_OPT_PUNCT:
		transldlg->t_source->SetValue(_T("<tts:style field=\"punctuation\" mode=\"all\">\n"));
		transldlg->t_source->SetInsertionPointEnd();
		notebook->SetSelection(1);
		break;

	case MENU_OPT_SPELL:
		transldlg->t_source->SetValue(_T("<say-as interpret-as=\"characters\">\n"));
		transldlg->t_source->SetInsertionPointEnd();
		notebook->SetSelection(1);
		break;

	case MENU_OPT_SPELL2:
		transldlg->t_source->SetValue(_T("<say-as interpret-as=\"tts:char\">\n"));
		transldlg->t_source->SetInsertionPointEnd();
		notebook->SetSelection(1);
		break;

	case MENU_PATH_DATA:
		string = wxDirSelector(_T("espeak_data directory"), wxEmptyString);
		if(!string.IsEmpty())
		{
			if(!wxDirExists(string+_T("/voices")))
			{
				wxLogError(_T("No 'voices' directory in ") + string);
				break;
			}
			path_espeakdata = string;
			wxLogMessage(_T("Quit and restart espeakedit to use the new espeak_data location"));
		}
		break;

	case MENU_PATH0:
		string = wxFileSelector(_T("Master phonemes file"),wxFileName(path_phfile).GetPath(),
			_T("phonemes"),_T(""),_T("*"),wxOPEN);
		if(!string.IsEmpty())
		{
			path_phfile = string;
		}
		break;

	case MENU_PATH1:
		string = wxDirSelector(_T("Phoneme source directory"),path_phsource);
		if(!string.IsEmpty())
		{
			path_phsource = string;
		}
		break;

	case MENU_PATH2:
		string = wxDirSelector(_T("Dictionary source directory"),path_dictsource);
		if(!string.IsEmpty())
		{
			path_dictsource = string;
		}
		break;

	case MENU_PATH3:
		string = wxFileSelector(_T("Sound output file"),wxFileName(path_speech).GetPath(),
			_T(""),_T("WAV"),_T("*"),wxSAVE);
		if(!string.IsEmpty())
		{
			path_speech = string;
		}
		break;

	case MENU_PATH4:
		string = wxFileSelector(_T("Voice file to modify formant peaks"),wxFileName(path_speech).GetPath(),
			_T(""),_T(""),_T("*"),wxOPEN);
		if(!string.IsEmpty())
		{
			path_modifiervoice = string;
		}
		break;
	}

	ConfigSetPaths();
}

// static 
void ModuleManager::Initialize(CommandHandler &cmdHandler)
{
   wxArrayString audacityPathList = wxGetApp().audacityPathList;
   wxArrayString pathList;
   wxArrayString files;
   wxString pathVar;
   size_t i;

   // Code from LoadLadspa that might be useful in load modules.
   pathVar = wxGetenv(wxT("AUDACITY_MODULES_PATH"));
   if (pathVar != wxT(""))
      wxGetApp().AddMultiPathsToPathList(pathVar, pathList);

   for (i = 0; i < audacityPathList.GetCount(); i++) {
      wxString prefix = audacityPathList[i] + wxFILE_SEP_PATH;
      wxGetApp().AddUniquePathToPathList(prefix + wxT("modules"),
                                         pathList);
   }

   #if defined(__WXMSW__)
   wxGetApp().FindFilesInPathList(wxT("*.dll"), pathList, files);
   #else
   wxGetApp().FindFilesInPathList(wxT("*.so"), pathList, files);
   #endif

   wxString saveOldCWD = ::wxGetCwd();
   for (i = 0; i < files.GetCount(); i++) {
      // As a courtesy to some modules that might be bridges to
      // open other modules, we set the current working
      // directory to be the module's directory.
      wxString prefix = ::wxPathOnly(files[i]);
      ::wxSetWorkingDirectory(prefix);

#ifdef EXPERIMENTAL_MODULE_PREFS
      int iModuleStatus = ModulePrefs::GetModuleStatus( files[i] );
      if( iModuleStatus == kModuleDisabled )
         continue;
      if( iModuleStatus == kModuleFailed )
         continue;
      // New module?  You have to go and explicitly enable it.
      if( iModuleStatus == kModuleNew ){
         // To ensure it is noted in config file and so
         // appears on modules page.
         ModulePrefs::SetModuleStatus( files[i], kModuleNew);
         continue;
      }

      if( iModuleStatus == kModuleAsk )
#endif
      // JKC: I don't like prompting for the plug-ins individually
      // I think it would be better to show the module prefs page,
      // and let the user decide for each one.
      {
         wxString ShortName = wxFileName( files[i] ).GetName();
         wxString msg;
         msg.Printf(_("Module \"%s\" found."), ShortName);
         msg += _("\n\nOnly use modules from trusted sources");
         const wxChar *buttons[] = {_("Yes"), _("No"), NULL};  // could add a button here for 'yes and remember that', and put it into the cfg file.  Needs more thought.
         int action;
         action = ShowMultiDialog(msg, _("Audacity Module Loader"), buttons, _("Try and load this module?"), false);
#ifdef EXPERIMENTAL_MODULE_PREFS
         // If we're not prompting always, accept the answer permanantly
         if( iModuleStatus == kModuleNew ){
            iModuleStatus = (action==1)?kModuleDisabled : kModuleEnabled;
            ModulePrefs::SetModuleStatus( files[i], iModuleStatus );
         }
#endif
         if(action == 1){   // "No"
            continue;
         }
      }
#ifdef EXPERIMENTAL_MODULE_PREFS
      // Before attempting to load, we set the state to bad.
      // That way, if we crash, we won't try again.
      ModulePrefs::SetModuleStatus( files[i], kModuleFailed );
#endif

      auto umodule = make_movable<Module>(files[i]);
      if (umodule->Load())   // it will get rejected if there  are version problems
      {
         auto module = umodule.get();
         Get().mModules.push_back(std::move(umodule));
         // We've loaded and initialised OK.
         // So look for special case functions:
         wxLogNull logNo; // Don't show wxWidgets errors if we can't do these. (Was: Fix bug 544.)
         // (a) for scripting.
         if( scriptFn == NULL )
            scriptFn = (tpRegScriptServerFunc)(module->GetSymbol(wxT(scriptFnName)));
         // (b) for hijacking the entire Audacity panel.
         if( pPanelHijack==NULL )
         {
            pPanelHijack = (tPanelFn)(module->GetSymbol(wxT(mainPanelFnName)));
         }
#ifdef EXPERIMENTAL_MODULE_PREFS
         // Loaded successfully, restore the status.
         ModulePrefs::SetModuleStatus( files[i], iModuleStatus);
#endif
      }
   }
//.........这里部分代码省略.........

int ExportOGG::Export(AudacityProject *project,
                       int numChannels,
                       wxString fName,
                       bool selectionOnly,
                       double t0,
                       double t1,
                       MixerSpec *mixerSpec,
                       Tags *metadata,
                       int WXUNUSED(subformat))
{
   double    rate    = project->GetRate();
   TrackList *tracks = project->GetTracks();
   double    quality = (gPrefs->Read(wxT("/FileFormats/OggExportQuality"), 50)/(float)100.0);

   wxLogNull logNo;            // temporarily disable wxWidgets error messages
   int updateResult = eProgressSuccess;
   int       eos = 0;

   FileIO outFile(fName, FileIO::Output);

   if (!outFile.IsOpened()) {
      wxMessageBox(_("Unable to open target file for writing"));
      return false;
   }

   // All the Ogg and Vorbis encoding data
   ogg_stream_state stream;
   ogg_page         page;
   ogg_packet       packet;

   vorbis_info      info;
   vorbis_comment   comment;
   vorbis_dsp_state dsp;
   vorbis_block     block;

   // Encoding setup
   vorbis_info_init(&info);
   vorbis_encode_init_vbr(&info, numChannels, int(rate + 0.5), quality);

   // Retrieve tags
   if (!FillComment(project, &comment, metadata)) {
      return false;
   }

   // Set up analysis state and auxiliary encoding storage
   vorbis_analysis_init(&dsp, &info);
   vorbis_block_init(&dsp, &block);

   // Set up packet->stream encoder.  According to encoder example,
   // a random serial number makes it more likely that you can make
   // chained streams with concatenation.
   srand(time(NULL));
   ogg_stream_init(&stream, rand());

   // First we need to write the required headers:
   //    1. The Ogg bitstream header, which contains codec setup params
   //    2. The Vorbis comment header
   //    3. The bitstream codebook.
   //
   // After we create those our responsibility is complete, libvorbis will
   // take care of any other ogg bistream constraints (again, according
   // to the example encoder source)
   ogg_packet bitstream_header;
   ogg_packet comment_header;
   ogg_packet codebook_header;

   vorbis_analysis_headerout(&dsp, &comment, &bitstream_header, &comment_header,
         &codebook_header);

   // Place these headers into the stream
   ogg_stream_packetin(&stream, &bitstream_header);
   ogg_stream_packetin(&stream, &comment_header);
   ogg_stream_packetin(&stream, &codebook_header);

   // Flushing these headers now guarentees that audio data will
   // start on a NEW page, which apparently makes streaming easier
   while (ogg_stream_flush(&stream, &page)) {
      outFile.Write(page.header, page.header_len);
      outFile.Write(page.body, page.body_len);
   }

   int numWaveTracks;
   WaveTrack **waveTracks;
   tracks->GetWaveTracks(selectionOnly, &numWaveTracks, &waveTracks);
   Mixer *mixer = CreateMixer(numWaveTracks, waveTracks,
                            tracks->GetTimeTrack(),
                            t0, t1,
                            numChannels, SAMPLES_PER_RUN, false,
                            rate, floatSample, true, mixerSpec);
   delete [] waveTracks;

   ProgressDialog *progress = new ProgressDialog(wxFileName(fName).GetName(),
      selectionOnly ?
      _("Exporting the selected audio as Ogg Vorbis") :
      _("Exporting the entire project as Ogg Vorbis"));

   while (updateResult == eProgressSuccess && !eos) {
      float **vorbis_buffer = vorbis_analysis_buffer(&dsp, SAMPLES_PER_RUN);
      sampleCount samplesThisRun = mixer->Process(SAMPLES_PER_RUN);

//.........这里部分代码省略.........

void ShellExtensions::BuildModuleMenu(const ModuleType type, wxMenu* menu, const FileTreeData* data)
{
	//Some library module is ready to display a pop-up menu.
	//Check the parameter \"type\" and see which module it is
	//and append any items you need in the menu...
	//TIP: for consistency, add a separator as the first item...
	m_contextvec.Empty();
	if(type==mtProjectManager)
	{
	    if(data)
	    {
            if(data->GetKind()==FileTreeData::ftdkProject)
            {
                cbProject* prj = data->GetProject();
                wxString filename=wxFileName(prj->GetFilename()).GetPath();
                wxString name=_T("");
                size_t sep_pos=menu->GetMenuItemCount();
                size_t added=0;
                for(unsigned int i=0;i<m_ic.interps.size();i++)
                    if(WildCardListMatch(m_ic.interps[i].wildcards,name))
                    {
                        m_RunTarget=filename;
                        if(m_ic.interps[i].command.Find(_T("$dir"))>=0 ||
                            m_ic.interps[i].command.Find(_T("$reldir"))>=0 ||
                            m_ic.interps[i].command.Find(_T("$path"))>=0 ||
                            m_ic.interps[i].command.Find(_T("$relpath"))>=0 ||
                            m_ic.interps[i].command.Find(_T("$mpaths"))>=0)
                        {
                            wxString menutext=m_ic.interps[i].name;
                            m_contextvec.Add(i);
                            AddModuleMenuEntry(menu,i,added);
                            added++;
                        }
                    }
                    menu->Append( ID_ProjectOpenInFileBrowser, _T("Open Project Folder in File Browser"), _("Opens the folder containing the project file in the file browser"));
                if(added>0)
                    menu->InsertSeparator(sep_pos);
            }
            if(data->GetKind()==FileTreeData::ftdkFile)
            {
                ProjectFile *f=data->GetProjectFile();
                if(f)
                {
                    wxString filename=f->file.GetFullPath();
                    wxString name=f->file.GetFullName();
                    size_t sep_pos=menu->GetMenuItemCount();
                    size_t added=0;
                    for(unsigned int i=0;i<m_ic.interps.size();i++)
                        if(WildCardListMatch(m_ic.interps[i].wildcards,name))
                        {
                            m_RunTarget=filename;
                            if(m_ic.interps[i].command.Find(_T("$file"))>=0 ||
                                m_ic.interps[i].command.Find(_T("$relfile"))>=0 ||
                                m_ic.interps[i].command.Find(_T("$fname"))>=0 ||
                                m_ic.interps[i].command.Find(_T("$fext"))>=0 ||
                                m_ic.interps[i].command.Find(_T("$path"))>=0 ||
                                m_ic.interps[i].command.Find(_T("$relpath"))>=0 ||
                                m_ic.interps[i].command.Find(_T("$mpaths"))>=0)
                            {
                                wxString menutext=m_ic.interps[i].name;
                                m_contextvec.Add(i);
                                AddModuleMenuEntry(menu,i,added);
                                added++;
                            }
                        }
                    if(added>0)
                        menu->InsertSeparator(sep_pos);
                }
            }
	    }
	}
	if(type==mtEditorManager) // also type==mtOpenFilesList - not sure how to find out which file has been right clicked.
	{
        EditorManager* edMan = Manager::Get()->GetEditorManager();
        wxFileName activefile(edMan->GetActiveEditor()->GetFilename());
        wxString filename=activefile.GetFullPath();
        wxString name=activefile.GetFullName();
        size_t sep_pos=menu->GetMenuItemCount();
        size_t added=0;
        for(unsigned int i=0;i<m_ic.interps.size();i++)
            if(WildCardListMatch(m_ic.interps[i].wildcards,name))
            {
                m_RunTarget=filename;
                    if(m_ic.interps[i].command.Find(_T("$file"))>=0 ||
                        m_ic.interps[i].command.Find(_T("$relfile"))>=0 ||
                        m_ic.interps[i].command.Find(_T("$fname"))>=0 ||
                        m_ic.interps[i].command.Find(_T("$fext"))>=0 ||
                        m_ic.interps[i].command.Find(_T("$path"))>=0 ||
                        m_ic.interps[i].command.Find(_T("$relpath"))>=0 ||
                        m_ic.interps[i].command.Find(_T("$mpaths"))>=0)
                    {
                        wxString menutext=m_ic.interps[i].name;
                        m_contextvec.Add(i);
                        AddModuleMenuEntry(menu,i,added);
                        added++;
                    }
            }
        if(added>0)
            menu->InsertSeparator(sep_pos);
	}
//.........这里部分代码省略.........