UnicodeRange.cs

Go to the documentation of this file.

namespace System.Text.Unicode;
 
public sealed class UnicodeRange
{
    public int FirstCodePoint { get; private set; }
 
    public int Length { get; private set; }
 
    public UnicodeRange(int firstCodePoint, int length)
    {
        if (firstCodePoint < 0 || firstCodePoint > 65535)
        {
            throw new ArgumentOutOfRangeException("firstCodePoint");
        }
        if (length < 0 || (long)firstCodePoint + (long)length > 65536)
        {
            throw new ArgumentOutOfRangeException("length");
        }
        FirstCodePoint = firstCodePoint;
        Length = length;
    }
 
    public static UnicodeRange Create(char firstCharacter, char lastCharacter)
    {
        if (lastCharacter < firstCharacter)
        {
            throw new ArgumentOutOfRangeException("lastCharacter");
        }
        return new UnicodeRange(firstCharacter, 1 + (lastCharacter - firstCharacter));
    }
}