/// <summary>Handles lexemes that are formed by an identifier followed by a quoted string.</summary>
/// <remarks>This method modified the token field as necessary.</remarks>
private void HandleTypePrefixedLiterals()
{
ExpressionTokenKind id = this.token.Kind;
if (id != ExpressionTokenKind.Identifier)
{
return;
}
bool quoteFollows = this.ch == '\'';
if (!quoteFollows)
{
return;
}
string tokenText = this.token.Text;
if (String.Equals(tokenText, ExpressionConstants.LiteralPrefixDateTime, StringComparison.OrdinalIgnoreCase))
{
id = ExpressionTokenKind.DateTimeLiteral;
}
else if (String.Equals(tokenText, ExpressionConstants.LiteralPrefixDateTimeOffset, StringComparison.OrdinalIgnoreCase))
{
id = ExpressionTokenKind.DateTimeOffsetLiteral;
}
else if (String.Equals(tokenText, ExpressionConstants.LiteralPrefixTime, StringComparison.OrdinalIgnoreCase))
{
id = ExpressionTokenKind.TimeLiteral;
}
else if (String.Equals(tokenText, ExpressionConstants.LiteralPrefixGuid, StringComparison.OrdinalIgnoreCase))
{
id = ExpressionTokenKind.GuidLiteral;
}
else if (String.Equals(tokenText, ExpressionConstants.LiteralPrefixBinary, StringComparison.OrdinalIgnoreCase) ||
String.Equals(tokenText, ExpressionConstants.LiteralPrefixShortBinary, StringComparison.OrdinalIgnoreCase))
{
id = ExpressionTokenKind.BinaryLiteral;
}
else if (String.Equals(tokenText, ExpressionConstants.LiteralPrefixGeography, StringComparison.OrdinalIgnoreCase))
{
id = ExpressionTokenKind.GeographyLiteral;
}
else if (String.Equals(tokenText, ExpressionConstants.LiteralPrefixGeometry, StringComparison.OrdinalIgnoreCase))
{
id = ExpressionTokenKind.GeometryLiteral;
}
else if (this.parsingFunctionParameters && string.Equals(tokenText, ExpressionConstants.KeywordNull, StringComparison.OrdinalIgnoreCase))
{
id = ExpressionTokenKind.NullLiteral;
}
else
{
return;
}
int tokenPos = this.token.Position;
do
{
this.NextChar();
}while (this.ch.HasValue && this.ch != '\'');
if (this.ch == null)
{
throw ParseError(ODataErrorStrings.ExpressionLexer_UnterminatedLiteral(this.textPos, this.text));
}
this.NextChar();
this.token.Kind = id;
this.token.Text = this.text.Substring(tokenPos, this.textPos - tokenPos);
}
