| private static LoSurrogate ( int codePoint ) : char | ||
| codePoint | int | |
| return | char | |
/// <summary>
/// This static method expands characters in a literal
/// string, returning a modified string with character
/// escapes replaced by the character which they denote.
/// This includes characters outside the BMP which
/// return a pair of surrogate characters.
/// </summary>
/// <param name="str">the input string</param>
/// <returns>interpreted version of the string</returns>
public static string InterpretCharacterEscapes(string source)
{
int sLen = source.Length;
if (sLen == 0)
{
return(source);
}
char[] arr = new char[sLen];
int sNxt = 0;
int aNxt = 0;
char chr = source[sNxt++];
for (; ; chr = source[sNxt++])
{
if (chr != '\\')
{
arr[aNxt++] = chr;
}
else
{
int codePoint = EscapedChar(source, ref sNxt);
if (codePoint > 0xFFFF)
{
arr[aNxt++] = CharacterUtilities.HiSurrogate(codePoint);
arr[aNxt++] = CharacterUtilities.LoSurrogate(codePoint);
}
else
{
arr[aNxt++] = (char)codePoint;
}
}
if (sNxt == sLen)
{
return(new String(arr, 0, aNxt));
}
}
}
