/// <summary>
/// Remove all leading, trailing, or both, occurences of the specified char.
/// </summary>
public static string Strip(this string input, StripMode mode, string character)
{
int ptr = 0;
string output = string.Empty;
//Parameter validation.
if (input.Length == 0)
{
return(input);
}
switch (mode)
{
case StripMode.Both:
break;
case StripMode.Leading:
break;
case StripMode.Trailing:
break;
default:
return(input);
}
if (character.Length != 1)
{
return(input);
}
//Main processing.
if (mode == StripMode.Leading || mode == StripMode.Both)
{
for (ptr = 0; ptr < input.Length; ptr++)
{
if (input.Substring(ptr, 1) != character)
{
output = input.Substring(ptr);
break;
}
}
input = output;
}
if (mode == StripMode.Trailing || mode == StripMode.Both)
{
for (ptr = input.Length - 1; ptr >= 0; ptr--)
{
if (input.Substring(ptr, 1) != character)
{
output = input.Substring(0, ptr + 1);
break;
}
}
}
return(output);
}
private string Strip(string input, StripMode mode, string character)
{
int ptr = 0;
string output = string.Empty;
if (input.Length == 0)
{
return(input);
}
switch (mode)
{
case StripMode.Both:
break;
case StripMode.Leading:
break;
case StripMode.Trailing:
break;
default:
return(input);
}
if (character.Length != 1)
{
return(input);
}
if (mode == StripMode.Leading || mode == StripMode.Both)
{
for (ptr = 0; ptr < input.Length; ptr++)
{
if (input.Substring(ptr, 1) != character)
{
output = input.Substring(ptr);
break;
}
}
input = output;
}
if (mode == StripMode.Trailing || mode == StripMode.Both)
{
for (ptr = input.Length - 1; ptr >= 0; ptr--)
{
if (input.Substring(ptr, 1) != character)
{
output = input.Substring(0, ptr + 1);
break;
}
}
}
return(output);
}