/// <summary>
/// Scan with the bounded string for a char equal any of the pattern characters.
/// </summary>
/// <param name="InBounded"></param>
/// <param name="InBx"></param>
/// <param name="InPatternChars"></param>
/// <returns></returns>
public static ScanCharResults ScanEqualAny(
BoundedString InBounded,
int InBx,
char[] InPatternChars)
{
int Ix;
InBounded.ThrowBeforeBounds(InBx);
int Lx = InBounded.Ex - InBx + 1;
if (Lx <= 0)
{
Ix = -1;
}
else
{
Ix = InBounded.String.IndexOfAny(InPatternChars, InBx, Lx);
}
if (Ix == -1)
{
return(new ScanCharResults(-1));
}
else
{
char ch1 = InBounded.String[Ix];
return(new ScanCharResults(ch1, Ix));
}
}
/// <summary>
/// scan for pattern string within string.
/// </summary>
/// <param name="InBounded"></param>
/// <param name="InBx"></param>
/// <param name="InPattern"></param>
/// <returns></returns>
public static ScanStringResults ScanEqual(
BoundedString InBounded, int InBx, string InPattern)
{
int Ix;
InBounded.ThrowBeforeBounds(InBx);
int remLx = InBounded.GetRemainingLength(InBx);
if (remLx < InPattern.Length)
{
Ix = -1;
}
else
{
Ix = InBounded.String.IndexOf(InPattern, InBx);
}
if (Ix == -1)
{
return(new ScanStringResults(-1));
}
else
{
char ch1 = InBounded.String[Ix];
return(new ScanStringResults(InPattern, Ix));
}
}