public static Literal Parse(string literal, NamespaceManager namespaces)
{
if (literal.Length < 2 || literal[0] != '\"')
{
throw new FormatException("Literal value must start with a quote.");
}
int quote = literal.LastIndexOf('"');
if (quote <= 0)
{
throw new FormatException("Literal value must have an end quote (" + literal + ")");
}
string value = literal.Substring(1, quote - 1);
literal = literal.Substring(quote + 1);
value = value.Replace("\\\"", "\"");
value = value.Replace("\\\\", "\\");
string lang = null;
string datatype = null;
if (literal.Length >= 2 && literal[0] == '@')
{
int type = literal.IndexOf("^^");
if (type == -1)
{
lang = literal.Substring(1);
}
else
{
lang = literal.Substring(1, type);
literal = literal.Substring(type);
}
}
if (literal.StartsWith("^^"))
{
if (literal.StartsWith("^^<") && literal.EndsWith(">"))
{
datatype = literal.Substring(3, literal.Length - 4);
}
else
{
if (namespaces == null)
{
throw new ArgumentException("No NamespaceManager was given to resolve the QName in the literal string.");
}
datatype = namespaces.Resolve(literal.Substring(2));
}
}
return(new Literal(value, lang, datatype));
}
public static Literal Parse(string literal, NamespaceManager namespaces) {
if (literal.Length < 2 || literal[0] != '\"') throw new FormatException("Literal value must start with a quote.");
int quote = literal.LastIndexOf('"');
if (quote <= 0) throw new FormatException("Literal value must have an end quote (" + literal + ")");
string value = literal.Substring(1, quote-1);
literal = literal.Substring(quote+1);
value = value.Replace("\\\"", "\"");
value = value.Replace("\\\\", "\\");
string lang = null;
string datatype = null;
if (literal.Length >= 2 && literal[0] == '@') {
int type = literal.IndexOf("^^");
if (type == -1) lang = literal.Substring(1);
else {
lang = literal.Substring(1, type);
literal = literal.Substring(type);
}
}
if (literal.StartsWith("^^")) {
if (literal.StartsWith("^^<") && literal.EndsWith(">")) {
datatype = literal.Substring(3, literal.Length-4);
} else {
if (namespaces == null)
throw new ArgumentException("No NamespaceManager was given to resolve the QName in the literal string.");
datatype = namespaces.Resolve(literal.Substring(2));
}
}
return new Literal(value, lang, datatype);
}
/// <summary>
/// Resolves the specified qName.
/// </summary>
/// <param name="qname">The qName.</param>
/// <returns>The resolved URI.</returns>
public override string Resolve(string qName)
{
return(m_OriginalNamespaceManager.Resolve(qName));
}