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annotate Implab/Safe.cs @ 216:1e082fb67a46 v2

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Fixed component container
author cin
date Tue, 25 Apr 2017 19:51:33 +0300
parents fe5101083150
children 8808383fcb94
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1 using System;
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2 using System.Collections.Generic;
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3 using System.Linq;
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4 using System.Text;
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5 using System.Text.RegularExpressions;
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6 using System.Diagnostics;
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7 using System.Collections;
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8
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9 #if NET_4_5
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10 using System.Threading.Tasks;
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11 #endif
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12
1
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13 namespace Implab
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14 {
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15 public static class Safe
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16 {
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17 public static void ArgumentAssert(bool condition, string paramName) {
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18 if (!condition)
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19 throw new ArgumentException("The parameter is invalid", paramName);
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20 }
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21
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22 public static void ArgumentMatch(string value, string paramName, Regex rx) {
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23 if (rx == null)
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24 throw new ArgumentNullException("rx");
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25 if (!rx.IsMatch(value))
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26 throw new ArgumentException(String.Format("The prameter value must match {0}", rx), paramName);
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27 }
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28
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29 public static void ArgumentNotEmpty(string value, string paramName) {
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30 if (String.IsNullOrEmpty(value))
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31 throw new ArgumentException("The parameter can't be empty", paramName);
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32 }
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33
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34 public static void ArgumentNotEmpty<T>(T[] value, string paramName) {
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35 if (value == null || value.Length == 0)
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36 throw new ArgumentException("The array must be not emty", paramName);
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37 }
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38
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39 public static void ArgumentNotNull(object value, string paramName) {
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40 if (value == null)
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41 throw new ArgumentNullException(paramName);
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42 }
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43
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44 public static void ArgumentInRange(int value, int min, int max, string paramName) {
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45 if (value < min || value > max)
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46 throw new ArgumentOutOfRangeException(paramName);
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47 }
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48
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49 public static void ArgumentOfType(object value, Type type, string paramName) {
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50 if (!type.IsInstanceOfType(value))
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51 throw new ArgumentException(String.Format("The parameter must be of type {0}", type), paramName);
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52 }
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53
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54 public static void Dispose(params IDisposable[] objects) {
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55 foreach (var d in objects)
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56 if (d != null)
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57 d.Dispose();
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58 }
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59
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60 public static void Dispose(params object[] objects) {
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61 foreach (var obj in objects) {
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62 var d = obj as IDisposable;
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63 if (d != null)
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64 d.Dispose();
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65 }
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66 }
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67
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68 public static void DisposeCollection(IEnumerable<IDisposable> objects) {
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69 foreach (var d in objects)
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70 Dispose(d);
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71 }
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72
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73 public static void DisposeCollection(IEnumerable objects) {
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74 foreach (var d in objects)
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75 Dispose(d);
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76 }
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77
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78 public static void Dispose(object obj) {
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79 if (obj is IDisposable) {
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80 Dispose((IDisposable)obj);
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81 } else if (obj is IEnumerable) {
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82 Dispose((IEnumerable)obj);
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83 }
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84 }
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85
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86 [DebuggerStepThrough]
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87 public static void DispatchEvent<T>(this EventHandler<T> handler, object sender, T args) {
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88 if (handler != null)
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89 handler(sender, args);
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90 }
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91
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92 [DebuggerStepThrough]
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93 public static void DispatchEvent(this EventHandler handler, object sender, EventArgs args) {
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94 if (handler != null)
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95 handler(sender, args);
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96 }
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98 [DebuggerStepThrough]
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99 public static IPromise<T> Run<T>(Func<T> action) {
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100 ArgumentNotNull(action, "action");
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101
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102 try {
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103 return Promise<T>.FromResult(action());
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104 } catch (Exception err) {
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105 return Promise<T>.FromException(err);
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106 }
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107 }
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108
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109 [DebuggerStepThrough]
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110 public static IPromise Run(Action action) {
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111 ArgumentNotNull(action, "action");
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112
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113 try {
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114 action();
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115 return Promise.Success;
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116 } catch (Exception err) {
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117 return new FailedPromise(err);
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118 }
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119 }
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120
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121 [DebuggerStepThrough]
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122 public static IPromise Run(Func<IPromise> action) {
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123 ArgumentNotNull(action, "action");
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124
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125 try {
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126 return action() ?? new FailedPromise(new Exception("The action returned null"));
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127 } catch (Exception err) {
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128 return new FailedPromise(err);
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129 }
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130 }
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131
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132 public static void NoWait(IPromise promise) {
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133 }
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134
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135 [DebuggerStepThrough]
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136 public static IPromise<T> Run<T>(Func<IPromise<T>> action) {
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137 ArgumentNotNull(action, "action");
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138
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139 try {
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140 return action() ?? Promise<T>.FromException(new Exception("The action returned null"));
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141 } catch (Exception err) {
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142 return Promise<T>.FromException(err);
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143 }
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144 }
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145
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146 #if NET_4_5
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147 public static void NoWait(Task t) {
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148 }
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149 #endif
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150
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151 }
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152 }