Hishop.Components.Validation/Validators/RangeChecker!1.cs

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namespace Hishop.Components.Validation.Validators
{
    using Hishop.Components.Validation.Properties;
    using System;

    internal class RangeChecker<T> where T: IComparable
    {
        private T lowerBound;
        private RangeBoundaryType lowerBoundType;
        private T upperBound;
        private RangeBoundaryType upperBoundType;

        public RangeChecker(T lowerBound, RangeBoundaryType lowerBoundType, T upperBound, RangeBoundaryType upperBoundType)
        {
            if ((upperBound == null) && (upperBoundType != RangeBoundaryType.Ignore))
            {
                throw new ArgumentException(Resources.ExceptionUpperBoundNull);
            }
            if ((lowerBound == null) && (lowerBoundType != RangeBoundaryType.Ignore))
            {
                throw new ArgumentException(Resources.ExceptionLowerBoundNull);
            }
            if (((lowerBoundType != RangeBoundaryType.Ignore) && (upperBoundType != RangeBoundaryType.Ignore)) && (upperBound.CompareTo(lowerBound) < 0))
            {
                throw new ArgumentException(Resources.ExceptionUpperBoundLowerThanLowerBound);
            }
            this.lowerBound = lowerBound;
            this.lowerBoundType = lowerBoundType;
            this.upperBound = upperBound;
            this.upperBoundType = upperBoundType;
        }

        public bool IsInRange(T target)
        {
            if (this.lowerBoundType > RangeBoundaryType.Ignore)
            {
                int num = this.lowerBound.CompareTo(target);
                if (num > 0)
                {
                    return false;
                }
                if ((this.lowerBoundType == RangeBoundaryType.Exclusive) && (num == 0))
                {
                    return false;
                }
            }
            if (this.upperBoundType > RangeBoundaryType.Ignore)
            {
                int num2 = this.upperBound.CompareTo(target);
                if (num2 < 0)
                {
                    return false;
                }
                if ((this.upperBoundType == RangeBoundaryType.Exclusive) && (num2 == 0))
                {
                    return false;
                }
            }
            return true;
        }