C++ OSFactory::getDirSeparator方法代码示例

string ThemeLoader::fixDirSeparators( const string &rPath )
{
    OSFactory *pOsFactory = OSFactory::instance( getIntf() );
    const string &sep = pOsFactory->getDirSeparator();
    string::size_type p = rPath.find( "/", 0 );
    string newPath = rPath;
    while( p != string::npos )
    {
        newPath = newPath.replace( p, 1, sep );
        p = newPath.find( "/", p + 1 );
    }
    return newPath;
}

void XMLParser::LoadCatalog()
{
    // Get the resource path and look for the DTD
    OSFactory *pOSFactory = OSFactory::instance( getIntf() );
    const list<string> &resPath = pOSFactory->getResourcePath();
    const string &sep = pOSFactory->getDirSeparator();
    list<string>::const_iterator it;

#ifdef HAVE_SYS_STAT_H
    struct stat statBuf;

    // Try to load the catalog first (needed at least on win32 where
    // we don't have a default catalog)
    for( it = resPath.begin(); it != resPath.end(); ++it )
    {
        string catalog_path = (*it) + sep + "skin.catalog";
        if( !stat( catalog_path.c_str(), &statBuf ) )
        {
            msg_Dbg( getIntf(), "Using catalog %s", catalog_path.c_str() );
            xml_CatalogLoad( m_pXML, catalog_path.c_str() );
            break;
        }
    }
    if( it == resPath.end() )
    {
        // Ok, try the default one
        xml_CatalogLoad( m_pXML, NULL );
    }

    for( it = resPath.begin(); it != resPath.end(); ++it )
    {
        string path = (*it) + sep + "skin.dtd";
        if( !stat( path.c_str(), &statBuf ) )
        {
            // DTD found
            msg_Dbg( getIntf(), "using DTD %s", path.c_str() );

            // Add an entry in the default catalog
            xml_CatalogAdd( m_pXML, "public",
                            "-//VideoLAN//DTD VLC Skins V"
                            SKINS_DTD_VERSION "//EN", path.c_str() );
            break;
        }
    }
    if( it == resPath.end() )
    {
        msg_Err( getIntf(), "cannot find the skins DTD");
    }
#endif
}

const string Stream::getAsStringName() const
{
    string fullName = getAsStringFullName();

    // XXX: This should be done in VLC core, not here...
    // Remove path information if any
    OSFactory *pFactory = OSFactory::instance( getIntf() );
    string::size_type pos = fullName.rfind( pFactory->getDirSeparator() );
    if( pos != string::npos )
    {
        fullName = fullName.substr( pos + 1, fullName.size() - pos + 1 );
    }

    return fullName;
}

string ThemeLoader::getFilePath( const string &rFullPath )
{
    OSFactory *pOsFactory = OSFactory::instance( getIntf() );
    const string &sep = pOsFactory->getDirSeparator();
    // Find the last separator ('/' or '\')
    string::size_type p = rFullPath.rfind( sep, rFullPath.size() );
    string basePath;
    if( p != string::npos )
    {
        if( p < rFullPath.size() - 1)
        {
            basePath = rFullPath.substr( 0, p );
        }
        else
        {
            basePath = rFullPath;
        }
    }
    return basePath;
}

void CmdUpdateItem::execute()
{
    playlist_t *pPlaylist = getIntf()->p_sys->p_playlist;
    if( pPlaylist == NULL )
        return;

    input_thread_t *p_input = playlist_CurrentInput( pPlaylist );
    if( !p_input )
        return;

    // Get playlist item information
    input_item_t *pItem = input_GetItem( p_input );

    char *pszName = input_item_GetName( pItem );
    char *pszUri = input_item_GetURI( pItem );

    string name = pszName;
    // XXX: This should be done in VLC core, not here...
    // Remove path information if any
    OSFactory *pFactory = OSFactory::instance( getIntf() );
    string::size_type pos = name.rfind( pFactory->getDirSeparator() );
    if( pos != string::npos )
    {
        name = name.substr( pos + 1, name.size() - pos + 1 );
    }
    UString srcName( getIntf(), name.c_str() );
    UString srcURI( getIntf(), pszUri );

    free( pszName );
    free( pszUri );

    // Create commands to update the stream variables
    CmdSetText *pCmd1 = new CmdSetText( getIntf(), m_rStreamName, srcName );
    CmdSetText *pCmd2 = new CmdSetText( getIntf(), m_rStreamURI, srcURI );
    // Push the commands in the asynchronous command queue
    AsyncQueue *pQueue = AsyncQueue::instance( getIntf() );
    pQueue->push( CmdGenericPtr( pCmd1 ), false );
    pQueue->push( CmdGenericPtr( pCmd2 ), false );
    vlc_object_release( p_input );
}

bool ThemeLoader::extractFileInZip( unzFile file, const string &rootDir,
                                    bool isWsz )
{
    // Read info for the current file
    char filenameInZip[256];
    unz_file_info fileInfo;
    if( unzGetCurrentFileInfo( file, &fileInfo, filenameInZip,
                               sizeof( filenameInZip), NULL, 0, NULL, 0 )
        != UNZ_OK )
    {
        return false;
    }

    // Convert the file name to lower case, because some winamp skins
    // use the wrong case...
    if( isWsz )
        for( size_t i = 0; i < strlen( filenameInZip ); i++ )
            filenameInZip[i] = tolower( filenameInZip[i] );

    // Allocate the buffer
    void *pBuffer = malloc( ZIP_BUFFER_SIZE );
    if( !pBuffer )
        return false;

    // Get the path of the file
    OSFactory *pOsFactory = OSFactory::instance( getIntf() );
    string fullPath = rootDir
        + pOsFactory->getDirSeparator()
        + fixDirSeparators( filenameInZip );
    string basePath = getFilePath( fullPath );

    // Extract the file if is not a directory
    if( basePath != fullPath )
    {
        if( unzOpenCurrentFile( file ) )
        {
            free( pBuffer );
            return false;
        }
        makedir( basePath.c_str() );
        FILE *fout = fopen( fullPath.c_str(), "wb" );
        if( fout == NULL )
        {
            msg_Err( getIntf(), "error opening %s", fullPath.c_str() );
            free( pBuffer );
            return false;
        }

        // Extract the current file
        int n;
        do
        {
            n = unzReadCurrentFile( file, pBuffer, ZIP_BUFFER_SIZE );
            if( n < 0 )
            {
                msg_Err( getIntf(), "error while reading zip file" );
                free( pBuffer );
                return false;
            }
            else if( n > 0 )
            {
                if( fwrite( pBuffer, n , 1, fout) != 1 )
                {
                    msg_Err( getIntf(), "error while writing %s",
                             fullPath.c_str() );
                    free( pBuffer );
                    return false;
                }
            }
        } while( n > 0 );

        fclose(fout);

        if( unzCloseCurrentFile( file ) != UNZ_OK )
        {
            free( pBuffer );
            return false;
        }
    }

    free( pBuffer );
    return true;
}

void SkinParser::handleBeginElement( const string &rName, AttrList_t &attr )
{
#define RequireAttr( attr, name, a ) \
    if( MissingAttr( attr, name, a ) ) return;

    if( rName == "Include" )
    {
        RequireAttr( attr, rName, "file" );

        OSFactory *pFactory = OSFactory::instance( getIntf() );
        string fullPath = m_path + pFactory->getDirSeparator() + attr["file"];
        msg_Dbg( getIntf(), "opening included XML file: %s", fullPath.c_str() );
        SkinParser subParser( getIntf(), fullPath.c_str(), m_path, m_pData );
        subParser.parse();
    }

    else if( rName == "IniFile" )
    {
        RequireAttr( attr, rName, "id" );
        RequireAttr( attr, rName, "file" );

        const BuilderData::IniFile iniFile( uniqueId( attr["id"] ),
                attr["file"] );
        m_pData->m_listIniFile.push_back( iniFile );
    }

    else if( rName == "Anchor" )
    {
        RequireAttr( attr, rName, "priority" );
        DefaultAttr( attr, "x", "0" );
        DefaultAttr( attr, "y", "0" );
        DefaultAttr( attr, "lefttop", "lefttop" );
        DefaultAttr( attr, "points", "(0,0)" );
        DefaultAttr( attr, "range", "10" );

        int refWidth, refHeight;
        getRefDimensions( refWidth, refHeight, false );
        int x = getDimension( attr["x"], refWidth );
        int y = getDimension( attr["y"], refHeight );
        const BuilderData::Anchor anchor( x + m_xOffset,
                y + m_yOffset, attr["lefttop"],
                atoi( attr["range"] ), atoi( attr["priority"] ),
                attr["points"], m_curLayoutId );
        m_pData->m_listAnchor.push_back( anchor );
    }

    else if( rName == "Bitmap" )
    {
        RequireAttr( attr, rName, "id" );
        RequireAttr( attr, rName, "file" );
        RequireAttr( attr, rName, "alphacolor" );
        DefaultAttr( attr, "nbframes", "1" );
        DefaultAttr( attr, "fps", "4" );
        DefaultAttr( attr, "loop", "0" );

        m_curBitmapId = uniqueId( attr["id"] );
        const BuilderData::Bitmap bitmap( m_curBitmapId,
                attr["file"], convertColor( attr["alphacolor"] ),
                atoi( attr["nbframes"] ), atoi( attr["fps"] ),
                atoi( attr["loop"] ) );
        m_pData->m_listBitmap.push_back( bitmap );
    }

    else if( rName == "SubBitmap" )
    {
        RequireAttr( attr, rName, "id" );
        RequireAttr( attr, rName, "x" );
        RequireAttr( attr, rName, "y" );
        RequireAttr( attr, rName, "width" );
        RequireAttr( attr, rName, "height" );
        DefaultAttr( attr, "nbframes", "1" );
        DefaultAttr( attr, "fps", "4" );
        DefaultAttr( attr, "loop", "0" );

        const BuilderData::SubBitmap bitmap( uniqueId( attr["id"] ),
                m_curBitmapId, atoi( attr["x"] ), atoi( attr["y"] ),
                atoi( attr["width"] ), atoi( attr["height"] ),
                atoi( attr["nbframes"] ), atoi( attr["fps"] ),
                atoi( attr["loop"] ) );
        m_pData->m_listSubBitmap.push_back( bitmap );
    }

    else if( rName == "BitmapFont" )
    {
        RequireAttr( attr, rName, "id" );
        RequireAttr( attr, rName, "file" );
        DefaultAttr( attr, "type", "digits" );

        const BuilderData::BitmapFont font( uniqueId( attr["id"] ),
                attr["file"], attr["type"] );
        m_pData->m_listBitmapFont.push_back( font );
    }

    else if( rName == "PopupMenu" )
    {
        RequireAttr( attr, rName, "id" );

        m_popupPosList.push_back(0);
        m_curPopupId = uniqueId( attr["id"] );
        const BuilderData::PopupMenu popup( m_curPopupId );
//.........这里部分代码省略.........

//---------------------------------------------------------------------------
// Run: main loop
//---------------------------------------------------------------------------
static void *Run( void * p_obj )
{
    int canc = vlc_savecancel();

    intf_thread_t *p_intf = (intf_thread_t *)p_obj;

    bool b_error = false;
    char *skin_last = NULL;
    ThemeLoader *pLoader = NULL;
    OSLoop *loop = NULL;

    vlc_mutex_lock( &p_intf->p_sys->init_lock );

    // Initialize singletons
    if( OSFactory::instance( p_intf ) == NULL )
    {
        msg_Err( p_intf, "cannot initialize OSFactory" );
        b_error = true;
        goto end;
    }
    if( AsyncQueue::instance( p_intf ) == NULL )
    {
        msg_Err( p_intf, "cannot initialize AsyncQueue" );
        b_error = true;
        goto end;
    }
    if( Interpreter::instance( p_intf ) == NULL )
    {
        msg_Err( p_intf, "cannot instanciate Interpreter" );
        b_error = true;
        goto end;
    }
    if( VarManager::instance( p_intf ) == NULL )
    {
        msg_Err( p_intf, "cannot instanciate VarManager" );
        b_error = true;
        goto end;
    }
    if( VlcProc::instance( p_intf ) == NULL )
    {
        msg_Err( p_intf, "cannot initialize VLCProc" );
        b_error = true;
        goto end;
    }
    if( VoutManager::instance( p_intf ) == NULL )
    {
        msg_Err( p_intf, "cannot instanciate VoutManager" );
        b_error = true;
        goto end;
    }
    if( ThemeRepository::instance( p_intf ) == NULL )
    {
        msg_Err( p_intf, "cannot instanciate ThemeRepository" );
        b_error = true;
        goto end;
    }
    if( Dialogs::instance( p_intf ) == NULL )
    {
        msg_Err( p_intf, "cannot instanciate qt4 dialogs provider" );
        b_error = true;
        goto end;
    }

    // Load a theme
    skin_last = config_GetPsz( p_intf, "skins2-last" );
    pLoader = new ThemeLoader( p_intf );

    if( !skin_last || !*skin_last || !pLoader->load( skin_last ) )
    {
        // Get the resource path and try to load the default skin
        OSFactory *pOSFactory = OSFactory::instance( p_intf );
        const list<string> &resPath = pOSFactory->getResourcePath();
        const string &sep = pOSFactory->getDirSeparator();

        list<string>::const_iterator it;
        for( it = resPath.begin(); it != resPath.end(); it++ )
        {
            string path = (*it) + sep + "default.vlt";
            if( pLoader->load( path ) )
            {
                // Theme loaded successfully
                break;
            }
        }
        if( it == resPath.end() )
        {
            // Last chance: the user can select a new theme file
            if( Dialogs::instance( p_intf ) )
            {
                CmdDlgChangeSkin *pCmd = new CmdDlgChangeSkin( p_intf );
                AsyncQueue *pQueue = AsyncQueue::instance( p_intf );
                pQueue->push( CmdGenericPtr( pCmd ) );
            }
            else
            {
                // No dialogs provider, just quit...
                CmdQuit *pCmd = new CmdQuit( p_intf );
//.........这里部分代码省略.........

//---------------------------------------------------------------------------
// Run: main loop
//---------------------------------------------------------------------------
static void Run( intf_thread_t *p_intf )
{
    // Load a theme
    ThemeLoader *pLoader = new ThemeLoader( p_intf );
    char *skin_last = config_GetPsz( p_intf, "skins2-last" );

    if( !skin_last || !*skin_last || !pLoader->load( skin_last ) )
    {
        // Get the resource path and try to load the default skin
        OSFactory *pOSFactory = OSFactory::instance( p_intf );
        const list<string> &resPath = pOSFactory->getResourcePath();
        const string &sep = pOSFactory->getDirSeparator();

        list<string>::const_iterator it;
        for( it = resPath.begin(); it != resPath.end(); it++ )
        {
            string path = (*it) + sep + "default.vlt";
            if( pLoader->load( path ) )
            {
                // Theme loaded successfully
                break;
            }
        }
        if( it == resPath.end() )
        {
            // Last chance: the user can select a new theme file
            if( Dialogs::instance( p_intf ) )
            {
                CmdDlgChangeSkin *pCmd = new CmdDlgChangeSkin( p_intf );
                AsyncQueue *pQueue = AsyncQueue::instance( p_intf );
                pQueue->push( CmdGenericPtr( pCmd ) );
            }
            else
            {
                // No dialogs provider, just quit...
                CmdQuit *pCmd = new CmdQuit( p_intf );
                AsyncQueue *pQueue = AsyncQueue::instance( p_intf );
                pQueue->push( CmdGenericPtr( pCmd ) );
                msg_Err( p_intf,
                         "Cannot show the \"open skin\" dialog: exiting...");
            }
        }
    }
    delete pLoader;

    if( skin_last )
    {
        free( skin_last );
    }

    // Get the instance of OSLoop
    OSLoop *loop = OSFactory::instance( p_intf )->getOSLoop();

    // Check if we need to start playing
    if( p_intf->b_play )
    {
        playlist_t *p_playlist =
            (playlist_t *)vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
                                           FIND_ANYWHERE );
        if( p_playlist )
        {
            playlist_Play( p_playlist );
            vlc_object_release( p_playlist );
        }
    }

    // Enter the main event loop
    loop->run();

    // Delete the theme and save the configuration of the windows
    if( p_intf->p_sys->p_theme )
    {
        p_intf->p_sys->p_theme->saveConfig();
        delete p_intf->p_sys->p_theme;
        p_intf->p_sys->p_theme = NULL;
    }
}