/// <summary>
/// Determines the type of character that is currently pointed to by _offset,
/// </summary>
/// <param name="charsToConsume"></param>
/// <returns></returns>
private CharClass ClassifyChar(string strval, int offset, out int charsToConsume)
{
charsToConsume = 1;
char currChar = strval[offset];
if (currChar == '&')
{
int nextSemi = strval.IndexOf(';', offset + 1);
if (nextSemi != -1)
{
int code = HtmlUtils.DecodeEntityReference(strval.Substring(offset + 1, nextSemi - offset - 1));
if (code != -1)
{
charsToConsume = nextSemi - offset + 1;
currChar = (char)code;
}
}
}
return
(!WordRangeHelper.IsNonSymbolChar(currChar) ? CharClass.Break :
char.IsLetter(currChar) ? CharClass.Letter :
char.IsNumber(currChar) ? CharClass.Number :
currChar == '\'' ? CharClass.BoundaryBreak :
currChar == '’' ? CharClass.BoundaryBreak :
currChar == '.' ? CharClass.IncludedBreakChar :
CharClass.Break);
}
