IntegerValidator.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / Configuration / System / Configuration / IntegerValidator.cs / 1305376 / IntegerValidator.cs
                        

                        
                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
//----------------------------------------------------------------------------- 

using System; 
using System.Collections; 
using System.IO;
using System.Reflection; 
using System.Security.Permissions;
using System.Xml;
using System.Collections.Specialized;
using System.Globalization; 
using System.ComponentModel;
using System.Security; 
using System.Text; 
using System.Text.RegularExpressions;
 
namespace System.Configuration {

    //
    // Type validators: Unsealed so users can derive to extend the funcionality without repeating it 
    // =============================================================================================
    public class IntegerValidator : ConfigurationValidatorBase { 
        private enum ValidationFlags { 
            None = 0x0000,
            ExclusiveRange = 0x0001,   // If set the value must be outside of the range instead of inside 
        }

        private ValidationFlags _flags = ValidationFlags.None;
        private int _minValue = int.MinValue; 
        private int _maxValue = int.MaxValue;
        private int _resolution = 1; 
 
        public IntegerValidator(int minValue, int maxValue) :
            this(minValue, maxValue, false, 1) { 
        }

        public IntegerValidator(int minValue, int maxValue, bool rangeIsExclusive) :
            this(minValue, maxValue, rangeIsExclusive, 1) { 
        }
 
        public IntegerValidator(int minValue, int maxValue, bool rangeIsExclusive, int resolution) { 
            if (resolution <= 0) {
                throw new ArgumentOutOfRangeException("resolution"); 
            }

            if (minValue > maxValue) {
                throw new ArgumentOutOfRangeException("minValue", SR.GetString(SR.Validator_min_greater_than_max)); 
            }
 
            _minValue = minValue; 
            _maxValue = maxValue;
            _resolution = resolution; 

            _flags = rangeIsExclusive ? ValidationFlags.ExclusiveRange : ValidationFlags.None;
        }
 
        public override bool CanValidate(Type type) {
            return (type == typeof(int)); 
        } 

        public override void Validate(object value) { 
            ValidatorUtils.HelperParamValidation(value, typeof(int));

            ValidatorUtils.ValidateScalar((int)value,
                                            _minValue, 
                                            _maxValue,
                                            _resolution, 
                                            _flags == ValidationFlags.ExclusiveRange); 
        }
    } 
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.

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