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annotate Implab/Safe.cs @ 259:7d52dc684bbd v3

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PollingComponent: implemented correct stopping
author cin
date Fri, 13 Apr 2018 03:57:39 +0300
parents 7c7e9ad6fe4a
children 9d1cca834b05
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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 using System.Runtime.CompilerServices;
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9 using System.Threading.Tasks;
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10 using System.Threading;
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11
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12 #if NET_4_5
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13 using System.Threading.Tasks;
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14 #endif
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15
1
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16 namespace Implab
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17 {
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18 public static class Safe
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19 {
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20 [MethodImpl(MethodImplOptions.AggressiveInlining)]
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21 public static void ArgumentAssert(bool condition, string paramName) {
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22 if (!condition)
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23 throw new ArgumentException("The parameter is invalid", paramName);
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24 }
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25
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26 [MethodImpl(MethodImplOptions.AggressiveInlining)]
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27 public static void ArgumentMatch(string value, string paramName, Regex rx) {
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28 if (rx == null)
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29 throw new ArgumentNullException("rx");
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30 if (!rx.IsMatch(value))
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31 throw new ArgumentException(String.Format("The prameter value must match {0}", rx), paramName);
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32 }
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33
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34 [MethodImpl(MethodImplOptions.AggressiveInlining)]
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35 public static void ArgumentNotEmpty(string value, string paramName) {
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36 if (String.IsNullOrEmpty(value))
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37 throw new ArgumentException("The parameter can't be empty", paramName);
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38 }
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39
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40 [MethodImpl(MethodImplOptions.AggressiveInlining)]
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41 public static void ArgumentNotEmpty<T>(T[] value, string paramName) {
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42 if (value == null || value.Length == 0)
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43 throw new ArgumentException("The array must be not emty", paramName);
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44 }
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45
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46 [MethodImpl(MethodImplOptions.AggressiveInlining)]
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47 public static void ArgumentNotNull(object value, string paramName) {
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48 if (value == null)
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49 throw new ArgumentNullException(paramName);
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50 }
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52 [MethodImpl(MethodImplOptions.AggressiveInlining)]
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53 internal static void ArgumentGreaterEqThan(int value, int min, string paramName) {
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54 if (value < min)
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55 throw new ArgumentOutOfRangeException(paramName);
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56 }
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57
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58 [MethodImpl(MethodImplOptions.AggressiveInlining)]
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59 public static void ArgumentInRange(bool condition, string paramName) {
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60 if (!condition)
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61 throw new ArgumentOutOfRangeException(paramName);
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62 }
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63
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64 [MethodImpl(MethodImplOptions.AggressiveInlining)]
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65 public static void ArgumentOfType(object value, Type type, string paramName) {
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66 if (!type.IsInstanceOfType(value))
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67 throw new ArgumentException(String.Format("The parameter must be of type {0}", type), paramName);
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68 }
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69
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70 public static void Dispose(params IDisposable[] objects) {
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71 foreach (var d in objects)
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72 if (d != null)
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73 d.Dispose();
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74 }
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75
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76 public static void Dispose(params object[] objects) {
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77 foreach (var obj in objects) {
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78 var d = obj as IDisposable;
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79 if (d != null)
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80 d.Dispose();
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81 }
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82 }
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83
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84 public static void DisposeCollection(IEnumerable<IDisposable> objects) {
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85 foreach (var d in objects)
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86 Dispose(d);
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87 }
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88
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89 public static void DisposeCollection(IEnumerable objects) {
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90 foreach (var d in objects)
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91 Dispose(d);
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92 }
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93
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94 public static void Dispose(object obj) {
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95 if (obj is IDisposable)
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96 Dispose((IDisposable)obj);
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97
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98 }
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99
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100 [DebuggerStepThrough]
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101 public static void DispatchEvent<T>(this EventHandler<T> handler, object sender, T args) {
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102 if (handler != null)
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103 handler(sender, args);
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104 }
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106 [DebuggerStepThrough]
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107 public static void DispatchEvent(this EventHandler handler, object sender, EventArgs args) {
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108 if (handler != null)
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109 handler(sender, args);
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110 }
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111
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112 [DebuggerStepThrough]
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113 public static IPromise<T> Run<T>(Func<T> action) {
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114 ArgumentNotNull(action, "action");
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115
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116 try {
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117 return Promise.Resolve(action());
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118 } catch (Exception err) {
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119 return Promise.Reject<T>(err);
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120 }
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121 }
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122
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123 [DebuggerStepThrough]
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124 public static IPromise Run(Action action) {
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125 ArgumentNotNull(action, "action");
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126
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127 try {
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128 action();
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129 return Promise.Resolve();
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130 } catch (Exception err) {
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131 return Promise.Reject(err);
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132 }
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133 }
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134
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135 [DebuggerStepThrough]
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136 public static IPromise Run(Func<IPromise> 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.Reject(new Exception("The action returned null"));
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141 } catch (Exception err) {
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142 return Promise.Reject(err);
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143 }
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144 }
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145
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146 public static void NoWait(IPromise promise) {
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147 }
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148
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149 public static void NoWait(Task promise) {
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150 }
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151
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152 public static void NoWait<T>(Task<T> promise) {
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153 }
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154
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155 public static void Noop() {
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156 }
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157
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158 public static void Noop(CancellationToken ct) {
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159 ct.ThrowIfCancellationRequested();
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160 }
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161
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162 public static Task CreateTask() {
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163 return new Task(Noop);
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164 }
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165
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166 public static Task CreateTask(CancellationToken ct) {
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167 return new Task(Noop, ct);
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168 }
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169
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170 [DebuggerStepThrough]
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171 public static IPromise<T> Run<T>(Func<IPromise<T>> action) {
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172 ArgumentNotNull(action, "action");
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173
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174 try {
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175 return action() ?? Promise.Reject<T>(new Exception("The action returned null"));
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176 } catch (Exception err) {
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177 return Promise.Reject<T>(err);
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178 }
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179 }
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180
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181 }
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182 }