/// <summary>
///
/// </summary>
/// <param name="c"></param>
/// <param name="type"></param>
/// <param name="first"></param>
/// <returns></returns>
public static bool IsLiteral(this char c, EscapingType type, bool first = false)
{
IEscapeProvider d = EscapingDataFactory.Get(type);
return(!(first && d.GetFirst().ContainsKey(c) ||
d.GetCommon().ContainsKey(c) ||
d.NeedEscapeUnicode(c)));
}
private static String EscapeCommon(char c, IEscapeProvider d)
{
String r;
if (d.GetCommon().TryGetValue(c, out r))
{
return(r);
}
return(EscapeUnicode(c, d));
}
/// <summary>
///
/// </summary>
/// <param name="str"></param>
/// <param name="type"></param>
/// <returns></returns>
public static bool IsLiteral(this String str, EscapingType type)
{
IEscapeProvider d = EscapingDataFactory.Get(type);
if (d.GetFirst().ContainsKey(str[0]))
{
return(false);
}
foreach (char c in str)
{
if (d.GetCommon().ContainsKey(c))
{
return(false);
}
}
return(true);
}
private static String EscapeCommon(char c, IEscapeProvider d)
{
String r;
if (d.GetCommon().TryGetValue(c, out r))
return r;
return EscapeUnicode(c, d);
}