/// <summary>
/// Processes the <paramref name="input"/> (either of type <see cref="string"/> or <see cref="PhpBytes"/>)
/// data and returns the filtered data in one of the formats above or <c>null</c>.
/// </summary>
public object Filter(object input, bool closing)
{
string str = PhpStream.AsText(input);
if (pending)
{
// Both \r\n together make a pair which would consume a pending \r.
if (str.Length == 0)
{
str = "\r";
}
else if (str[0] != '\n')
{
str.Insert(0, "\r");
}
}
// Replace the pair.
str = str.Replace("\r\n", "\n");
if (str.Length == 0)
{
return(string.Empty);
}
// Check for pending \r at the end.
pending = str[str.Length - 1] == '\r';
// Postpone the resolution of \r\n vs. \r to the next filtering if this is not the last one.
if (!closing && pending)
{
str.Remove(str.Length - 1, 1);
}
return(str);
}
/// <summary>
/// Processes the <paramref name="input"/> (either of type <see cref="string"/> or <see cref="PhpBytes"/>)
/// data and returns the filtered data in one of the formats above or <c>null</c>.
/// </summary>
public object Filter(object input, bool closing)
{
string str = PhpStream.AsText(input);
str = str.Replace("\n", "\r\n");
return(str);
}