/// <summary>
/// Converts <see cref="EscapeMatch"/> to <see cref="char"/>.
/// </summary>
/// <param name="escapeMatch">Escape sequence wrapper class instance.</param>
/// <returns>Result char.</returns>
protected char ResolveDqsEscapeChar(EscapeMatch escapeMatch)
{
var text = escapeMatch.Value;
//This is EscSeq
switch (text[1])
{
//'$'|'b'|'f'|'n'|'r'|'t'|'v'
case '"':
case '\'':
case '\\':
case '/':
case '$':
return(text[1]);
case 'b':
return((char)8);
case 'f':
return((char)0xC);
case 'n':
return((char)0xA);
case 'r':
return((char)0xD);
case 't':
return((char)0x9);
case 'v':
return((char)0xB);
case 'u':
return(Convert.ToChar(Convert.ToUInt32(text.Substring(2), 16)));
}
return((char)0); //should never reach this code if parser works correctly
}
/// <summary>
/// Resolves escape sequence
/// </summary>
/// <param name="escapeMatch">Escape sequence wrapper class instance.</param>
/// <param name="sb"><see cref="StringBuilder"/> used to build the literal value of the pair.</param>
protected virtual void ResolveDqsEscape(EscapeMatch escapeMatch, StringBuilder sb)
{
char c = ResolveDqsEscapeChar(escapeMatch);
sb.Append(c);
}