1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
|
//------------------------------------------------------------------------------
// <copyright file="ValidatorUtils.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 {
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>(T value, T min, T max, T resolution, bool exclusiveRange) where T : IComparable<T> {
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>( T value, T min, T max, bool exclusiveRange ) where T : IComparable<T> {
IComparable<T> itfValue = (IComparable<T>)value;
IComparable<T> itfMax = (IComparable<T>)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);
}
}
}
}
|
