Method createNew

crengine/src/lvtinydom.cpp:8625–8653

create new cache file

    /// create new cache file
    LVStreamRef createNew( lString16 filename, lUInt32 crc, lUInt32 docFlags, lUInt32 fileSize )
    {
        lString16 fn = makeFileName( filename, crc, docFlags );
        LVStreamRef res;
        lString16 pathname( _cacheDir+fn );
        if ( findFileIndex( pathname ) >= 0 )
            LVDeleteFile( pathname );
        reserve( fileSize/10 );
        //res = LVMapFileStream( (_cacheDir+fn).c_str(), LVOM_APPEND, fileSize );
        LVDeleteFile( pathname ); // try to delete, ignore errors
        res = LVOpenFileStream( pathname.c_str(), LVOM_APPEND|LVOM_FLAG_SYNC );
        if ( !res ) {
            CRLog::error( "ldomDocCache::createNew - file %s is cannot be created", UnicodeToUtf8(fn).c_str() );
            return res;
        }
#if ENABLED_BLOCK_WRITE_CACHE
        res = LVCreateBlockWriteStream( res, WRITE_CACHE_BLOCK_SIZE, WRITE_CACHE_BLOCK_COUNT );
#if TEST_BLOCK_STREAM
        LVStreamRef stream2 = LVOpenFileStream( (pathname+L"_c").c_str(), LVOM_APPEND );
        if ( !stream2 ) {
            CRLog::error( "ldomDocCache::createNew - file %s is cannot be created", UnicodeToUtf8(fn).c_str() );
            return stream2;
        }
        res = LVCreateCompareTestStream(res, stream2);
#endif
#endif
        moveFileToTop( fn, fileSize );
        return res;
    }

    virtual ~ldomDocCacheImpl()
    {