/// <summary>
/// Add characters from another <see cref="CharRange"/>.
/// </summary>
/// <param name="cr">All characters matched by this CharRange will be added to the current set</param>
/// <returns>this</returns>
public Builder AddRange(CharRange cr)
{
Reserve(size + cr.bounds.Length);
for (int i = 0; i < cr.bounds.Length; ++i)
{
normalized = false;
inouts[size++] = (cr.bounds[i] << 1) | (i & 1);
}
return(this);
}
/// <summary>
/// Intersect with another <see cref="CharRange"/>.
///
/// This is implemented by <see cref="Exclude"/>ing cr.Complement()
/// </summary>
/// <param name="cr">All characters that are NOT matched by this CharRange will be removed from the current set</param>
/// <returns>this</returns>
public Builder Intersect(CharRange cr)
{
Exclude(cr.Complement());
return(this);
}
/// <summary>
/// Create a pattern that matches any single character from the given string.
/// </summary>
/// <param name="chars">the characters to accept</param>
/// <returns>the new pattern</returns>
public static Pattern AnyCharIn(string chars)
{
return(Match(CharRange.CreateBuilder().AddChars(chars).Build()));
}
public IMatchable Literal(IRegexContext ctx, CharRange range) => range;
