private static String UnescapeEntity(this String s, IEscapeProvider d)
{
char r;
if (d.GetUnescape().TryGetValue(s, out r))
{
return(r.ToString());
}
return(null);
}
private static String CheckSuffix(String str, int start, int end, IEscapeProvider d)
{
String s;
// the length of escaping code not constant so check all variants
foreach (int j in d.GetUnescape().KeysLength)
{
if (j > end - start + 1)
{
continue;
}
s = str.Substring(end - j + 1, j);
s = UnescapeEntity(s, d);
if (s != null)
{
return(str.Substring(start, end - start - j + 1) + s);
}
}
// check unicode
if (d.GetUnicodePattern() == null)
{
return(null);
}
int p = d.GetUnicodePattern().Length + 3;
if (p > end - start + 1)
{
return(null);
}
s = str.Substring(end - p + 1, p);
s = UnescapeUnicode(s, d);
if (s != null)
{
return(str.Substring(start, end - start - p + 1) + s);
}
return(null);
}
private static String UnescapeEntity(this String s, IEscapeProvider d)
{
char r;
if (d.GetUnescape().TryGetValue(s, out r))
return r.ToString();
return null;
}
private static String CheckSuffix(String str, int start, int end, IEscapeProvider d)
{
String s;
// the length of escaping code not constant so check all variants
foreach (int j in d.GetUnescape().KeysLength)
{
if (j > end - start + 1)
continue;
s = str.Substring(end - j + 1, j);
s = UnescapeEntity(s, d);
if (s != null)
return str.Substring(start, end - start - j + 1) + s;
}
// check unicode
if (d.GetUnicodePattern() == null)
return null;
int p = d.GetUnicodePattern().Length + 3;
if (p > end - start + 1)
return null;
s = str.Substring(end - p + 1, p);
s = UnescapeUnicode(s, d);
if (s != null)
return str.Substring(start, end - start - p + 1) + s;
return null;
}
