public string ReadString(int lengthbits, out RichTextFormat rtf)
{
/* BEGIN - SAME AS ReadString() */
if (reader.BaseStream.Position == reader.BaseStream.Length)
{
if (ContinuedIndex < record.ContinuedRecords.Count - 1)
{
SwitchToContinuedRecord();
}
else
{
rtf = null;
return(null);
}
}
int stringlength = lengthbits == 8 ? reader.ReadByte() : reader.ReadUInt16();
byte option = reader.ReadByte();
bool compressed = (option & 0x01) == 0;
bool phonetic = (option & 0x04) == 0x04;
bool richtext = (option & 0x08) == 0x08;
int runs = 0; //Number of Rich-Text formatting runs
int size = 0; //Size of Asian phonetic settings block in bytes
if (richtext)
{
runs = reader.ReadUInt16();
}
if (phonetic)
{
size = reader.ReadInt32();
}
string firstpart = ReadString(stringlength, compressed);
StringBuilder text = new StringBuilder();
text.Append(firstpart);
if (firstpart.Length < stringlength)
{
SwitchToContinuedRecord();
text.Append(ReadContinuedString(stringlength - firstpart.Length));
}
/* END - SAME AS ReadString() */
/*
* Added, 2-13-2009
* Sunil Shenoi
*
* Process the rich text formatting information as in Section 2.5.3.
*/
byte[] richTextBytes = ReadBytes(4 * runs + size);
rtf = DecodeRichTextFormatting(richTextBytes, runs);
return(text.ToString());
}
/*
* Added, 2-13-2009
* Sunil Shenoi
*
* Decode the rich text formatting information associated with a given string.
*/
private RichTextFormat DecodeRichTextFormatting(byte[] richTextBytes, int runs)
{
RichTextFormat rtf = new RichTextFormat(runs);
// process the byte array into pairs of UInt16's
for (int i = 0; i < runs; i++)
{
rtf.CharIndexes.Add(BitConverter.ToUInt16(richTextBytes, (i * 4)));
rtf.FontIndexes.Add(BitConverter.ToUInt16(richTextBytes, (i * 4) + 2));
}
return(rtf);
}
