private string GetPageSymbolValue()
{
var dictionaryEntry = CompressedDataConverter.DecodeInternalInt(Data, 0);
var dictionaryValue = Record.Page.CompressionInformation.CompressionDictionary.DictionaryEntries[dictionaryEntry].Data;
string value;
if (AnchorField != null && AnchorField.Data != null)
{
var compositeData = ExpandAnchor(dictionaryValue);
value = CompressedDataConverter.CompressedBinaryToBinary(compositeData,
Column.DataType,
Column.Precision,
Column.Scale);
}
else
{
value = CompressedDataConverter.CompressedBinaryToBinary(dictionaryValue,
Column.DataType,
Column.Precision,
Column.Scale);
}
return(string.Format("Dictionary Entry {0} - {1}", dictionaryEntry, value));
}
public byte[] ExpandAnchor(byte[] fieldData)
{
AnchorLength = CompressedDataConverter.DecodeInternalInt(fieldData, 0);
var dataOffset = ((fieldData[0] & 0x80) == 0x80) ? 2 : 1;
var compositeData = new byte[AnchorLength + fieldData.Length - dataOffset];
Array.Copy(AnchorField.Data, 0, compositeData, 0, AnchorLength);
Array.Copy(fieldData, dataOffset, compositeData, AnchorLength, fieldData.Length - dataOffset);
return(compositeData);
}
private string GetValueWithAnchor()
{
if (Data.Length > 0)
{
var compositeData = ExpandAnchor(Data);
return(CompressedDataConverter.CompressedBinaryToBinary(compositeData,
Column.DataType,
Column.Precision,
Column.Scale));
}
else
{
return(CompressedDataConverter.CompressedBinaryToBinary(AnchorField.Data,
Column.DataType,
Column.Precision,
Column.Scale));
}
}
