示例#1
0
        /// <summary>
        /// Calculates the search sense in a definition by the specified word
        /// </summary>
        /// <param name="def">The definition to use</param>
        /// <param name="whichWord">The word to calculate on</param>
        /// <returns>Any non-negative number if successfull; otherwise -1</returns>
        private static int GetSearchSense( Definition def, int whichWord )
        {
            int retVal = -1;
            DbPartOfSpeechType indexType = GetSynSetTypeCode( def.PartOfSpeech );
            string dbFileName = DbFileHelper.GetIndexForType( indexType )[ 0 ];
            if( File.Exists( dbFileName ) )
            {
                long offset = FastSearch( def.Words[ whichWord ], dbFileName );
                Index idx = ParseIndex( offset, dbFileName );

                for( int i = 0; i < idx.OffsetCount; i++ )
                {
                    retVal = 0;
                    if( idx.SynSetsOffsets[ i ] == def.Position )
                    {
                        retVal = i + 1;
                        break;
                    }
                }
            }

            return retVal;
        }
示例#2
0
        /// <summary>
        /// Parses a word definition at the specified offset in the specified file
        /// </summary>
        /// <param name="offset">The offset in the file at which to begin parsing</param>
        /// <param name="dbFileName">The full path of the file to open</param>
        /// <param name="word">The word that will be defined by the parsed definition</param>
        /// <returns>A populated Definition object is successful; otherwise null</returns>
        internal static Definition ParseDefinition( long offset, string dbFileName, string word )
        {
            Definition retVal = null;
            try
            {
                Definition tempDef = new Definition();
                string data = ReadRecord( offset, dbFileName );
                if( !string.IsNullOrEmpty( data ) )
                {
                    int i = 0;
                    bool foundPert = false;
                    string[] tokens = data.Split( Constants.Tokenizer, StringSplitOptions.RemoveEmptyEntries );

                    tempDef.Position = Convert.ToInt64( tokens[ i ] );
                    i++;

                    if( tempDef.Position != offset )
                        throw new ArithmeticException( "The stream position is not aligned with the specified offset!" );

                    tempDef.FileNumber = Convert.ToInt32( tokens[ i ] );
                    i++;

                    tempDef.PartOfSpeech = tokens[ i ];
                    i++;

                    if( GetSynSetTypeCode( tempDef.PartOfSpeech ) == DbPartOfSpeechType.Satellite )
                        tempDef.DefinitionType = Constants.INDIRECT_ANT;

                    tempDef.WordCount = Convert.ToInt32( tokens[ i ] );
                    i++;

                    for( int j = 0; j < tempDef.WordCount * 2; j += 2 ) //Step by two for lexid
                    {
                        string tempWord = tokens[ i + j ];
                        if( !string.IsNullOrEmpty( tempWord ) )
                            tempDef.Words.Add( DecodeWord( tempWord ) );

                        if( tempWord.ToLower() == word.ToLower() )
                            tempDef.WhichWord = ( i + j );
                    }
                    i = ( i + ( tempDef.WordCount * 2 ) );

                    tempDef.PtrCount = Convert.ToInt32( tokens[ i ] );
                    i++;

                    for( int j = i; j < ( i + ( tempDef.PtrCount * 4 ) ); j += 4 )
                    {
                        int pointerIndex = GetPointerTypeIndex( tokens[ j ] );
                        long pointerOffset = Convert.ToInt64( tokens[ j + 1 ] );
                        int pointerPartOfSpeech = GetPartOfSpeech( Convert.ToChar( tokens[ j + 2 ] ) );
                        string lexToFrom = tokens[ j + 3 ];
                        int lexFrom = Convert.ToInt32( lexToFrom.Substring( 0, 2 ) );
                        int lexTo = Convert.ToInt32( lexToFrom.Substring( 1, 2 ) );

                        tempDef.PtrTypes.Add( pointerIndex );
                        tempDef.PtrOffsets.Add( pointerOffset );
                        tempDef.PtrPartOfSpeech.Add( pointerPartOfSpeech );
                        tempDef.PtrFromFields.Add( lexFrom );
                        tempDef.PtrToFields.Add( lexTo );

                        if( AssertDatabaseType( dbFileName, DbPartOfSpeechType.Adj ) && tempDef.DefinitionType == Constants.DONT_KNOW )
                        {
                            if( pointerIndex == Constants.PointerTypeContants.ANTPTR )
                            {
                                tempDef.DefinitionType = Constants.DIRECT_ANT;
                            }
                            else if( pointerIndex == Constants.PointerTypeContants.PERTPTR )
                            {
                                foundPert = true;
                            }
                        }
                    }
                    i += ( tempDef.PtrCount * 4 );

                    if( AssertDatabaseType( dbFileName, DbPartOfSpeechType.Adj ) &&
                        tempDef.DefinitionType == Constants.DONT_KNOW && foundPert )
                    {
                        tempDef.DefinitionType = Constants.PERTAINY;
                    }

                    if( AssertDatabaseType( dbFileName, DbPartOfSpeechType.Verb ) )
                    {
                        int verbFrames = Convert.ToInt32( tokens[ i ] );
                        tempDef.VerbFrameCount = verbFrames;
                        i++;

                        for( int j = i; j < i + ( tempDef.VerbFrameCount * 3 ); j += 3 )
                        {
                            int frameId = Convert.ToInt32( tokens[ j + 1 ] );
                            int frameTo = Convert.ToInt32( tokens[ j + 2 ] );

                            tempDef.FrameIds.Add( frameId );
                            tempDef.FrameToFields.Add( frameTo );
                        }
                        i += ( tempDef.VerbFrameCount * 3 );
                    }
                    i++;

                    string definition = string.Join( " ", tokens, i, tokens.Length - i );
                    tempDef.DefinitionText = definition;

                    tempDef.SenseNumbers = new List<int>( new int[ tempDef.WordCount ] );
                    for( int j = 0; j < tempDef.WordCount; j++ )
                    {
                        tempDef.SenseNumbers[ j ] = GetSearchSense( tempDef, j );
                    }
                }
                retVal = tempDef;
            }
            catch
            {
                retVal = null;
            }
            return retVal;
        }