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//------------------------------------------------------------------------------
// <copyright file="IntegerValidator.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
//------------------------------------------------------------------------------
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);
}
}
}
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