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/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / Configuration / System / Configuration / ValidatorUtils.cs / 1305376 / ValidatorUtils.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 { internal static class ValidatorUtils { public static void HelperParamValidation(object value, Type allowedType) { if (value == null) { return; } if (value.GetType() != allowedType) { throw new ArgumentException(SR.GetString(SR.Validator_value_type_invalid), String.Empty); } } public static void ValidateScalar(T value, T min, T max, T resolution, bool exclusiveRange) where T : IComparable { ValidateRangeImpl(value, min, max, exclusiveRange); // Validate the resolution ValidateResolution(resolution.ToString(), Convert.ToInt64(value, CultureInfo.InvariantCulture), Convert.ToInt64(resolution, CultureInfo.InvariantCulture)); } private static void ValidateRangeImpl ( T value, T min, T max, bool exclusiveRange ) where T : IComparable { IComparable itfValue = (IComparable )value; IComparable itfMax = (IComparable )max; bool valueIsInRange = false; // Check min range if ( itfValue.CompareTo( min ) >= 0 ) { // TRUE: value >= min valueIsInRange = true; } if ( valueIsInRange && ( itfValue.CompareTo( max ) > 0 ) ) { // TRUE: value > max valueIsInRange = false; } // Throw range validation error if ( !( valueIsInRange ^ exclusiveRange ) ) { string error = null; // First group of errors - the min and max range are the same. i.e. the valid value must be the same/equal to the min(max) if ( min.Equals( max ) ) { if ( exclusiveRange ) { // Valid values are outside of range. I.e has to be different then min( or max ) error = SR.GetString( SR.Validation_scalar_range_violation_not_different ); } else { // Valid values are inside the range. I.e. has to be equal to min ( or max ) error = SR.GetString( SR.Validation_scalar_range_violation_not_equal ); } } // Second group of errors: min != max. I.e. its a range else { if ( exclusiveRange ) { // Valid values are outside of range. error = SR.GetString( SR.Validation_scalar_range_violation_not_outside_range ); } else { // Valid values are inside the range. I.e. has to be equal to min ( or max ) error = SR.GetString( SR.Validation_scalar_range_violation_not_in_range ); } } throw new ArgumentException( String.Format( CultureInfo.InvariantCulture, error, min.ToString(), max.ToString() ) ); } } private static void ValidateResolution(string resolutionAsString, long value, long resolution) { Debug.Assert(resolution > 0, "resolution > 0"); if ((value % resolution) != 0) { throw new ArgumentException(SR.GetString(SR.Validator_scalar_resolution_violation, resolutionAsString)); } } public static void ValidateScalar(TimeSpan value, TimeSpan min, TimeSpan max, long resolutionInSeconds, bool exclusiveRange) { ValidateRangeImpl(value, min, max, exclusiveRange); // Validate the resolution if (resolutionInSeconds > 0) { ValidateResolution(TimeSpan.FromSeconds( resolutionInSeconds ).ToString(), value.Ticks, resolutionInSeconds * TimeSpan.TicksPerSecond); } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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