Mercurial > projects > dwt-win
annotate dwt/dwthelper/utils.d @ 287:35d730fb5e9f
TextLayout with wchar[] segments text and translation tables
author | Frank Benoit <benoit@tionex.de> |
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date | Thu, 21 Aug 2008 09:57:23 +0200 |
parents | 98fd89730a00 |
children | 708cbfe418e7 |
rev | line source |
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1 /** |
0 | 2 * Authors: Frank Benoit <keinfarbton@googlemail.com> |
3 */ | |
4 module dwt.dwthelper.utils; | |
5 | |
6 public import dwt.dwthelper.System; | |
15 | 7 public import Math = tango.math.Math; |
0 | 8 |
98 | 9 public import tango.core.Exception : IllegalArgumentException, IOException; |
97 | 10 |
0 | 11 import tango.io.Stdout; |
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12 import tango.io.Print; |
248 | 13 static import tango.stdc.stringz; |
194 | 14 static import tango.text.Util; |
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15 static import tango.text.Text; |
0 | 16 import tango.text.Unicode; |
15 | 17 import tango.text.convert.Utf; |
177 | 18 import tango.core.Exception; |
0 | 19 import tango.stdc.stdlib : exit; |
20 | |
177 | 21 import tango.util.log.Trace; |
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22 import tango.text.UnicodeData; |
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23 static import tango.util.collection.model.Seq; |
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24 |
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25 alias char[] String; |
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26 alias tango.text.Text.Text!(char) StringBuffer; |
177 | 27 |
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28 void implMissing( String file, uint line ){ |
0 | 29 Stderr.formatln( "implementation missing in file {} line {}", file, line ); |
30 Stderr.formatln( "exiting ..." ); | |
31 exit(1); | |
32 } | |
33 | |
34 abstract class ArrayWrapper{ | |
35 } | |
33 | 36 abstract class ValueWrapper{ |
37 } | |
0 | 38 |
39 class ArrayWrapperT(T) : ArrayWrapper { | |
40 public T[] array; | |
41 public this( T[] data ){ | |
42 array = data; | |
43 } | |
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44 public override int opEquals( Object o ){ |
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45 if( auto other = cast(ArrayWrapperT!(T))o){ |
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46 return array == other.array; |
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47 } |
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48 return false; |
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49 } |
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50 public override hash_t toHash(){ |
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51 return (typeid(T[])).getHash(&array); |
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52 } |
0 | 53 } |
54 | |
33 | 55 class ValueWrapperT(T) : ValueWrapper { |
56 public T value; | |
57 public this( T data ){ | |
58 value = data; | |
59 } | |
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60 static if( is(T==class) || is(T==interface)){ |
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61 public int opEquals( Object other ){ |
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62 if( auto o = cast(ValueWrapperT!(T))other ){ |
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63 return value == o.value; |
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64 } |
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65 if( auto o = cast(T)other ){ |
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66 if( value is o ){ |
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67 return true; |
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68 } |
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69 if( value is null || o is null ){ |
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70 return false; |
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71 } |
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72 return value == o; |
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73 } |
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74 return false; |
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75 } |
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76 } |
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77 else{ |
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78 public int opEquals( Object other ){ |
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79 if( auto o = cast(ValueWrapperT!(T))other ){ |
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80 return value == o.value; |
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81 } |
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82 return false; |
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83 } |
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84 public int opEquals( T other ){ |
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85 return value == other; |
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86 } |
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87 } |
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88 public override hash_t toHash(){ |
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89 return (typeid(T)).getHash(&value); |
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90 } |
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91 } |
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92 |
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93 class Boolean : ValueWrapperT!(bool) { |
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94 public static Boolean TRUE; |
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95 public static Boolean FALSE; |
200 | 96 |
97 static this(){ | |
98 TRUE = new Boolean(true); | |
99 FALSE = new Boolean(false); | |
100 } | |
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101 public this( bool v ){ |
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102 super(v); |
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103 } |
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104 |
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105 alias ValueWrapperT!(bool).opEquals opEquals; |
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106 public int opEquals( int other ){ |
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107 return value == ( other !is 0 ); |
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108 } |
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109 public int opEquals( Object other ){ |
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110 if( auto o = cast(Boolean)other ){ |
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111 return value == o.value; |
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112 } |
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113 return false; |
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114 } |
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115 public bool booleanValue(){ |
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116 return value; |
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117 } |
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118 public static Boolean valueOf( String s ){ |
201 | 119 if( s == "yes" || s == "true" ){ |
120 return TRUE; | |
121 } | |
122 return FALSE; | |
123 } | |
124 public static Boolean valueOf( bool b ){ | |
125 return b ? TRUE : FALSE; | |
126 } | |
33 | 127 } |
128 | |
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129 alias Boolean ValueWrapperBool; |
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130 |
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131 |
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132 class Byte : ValueWrapperT!(byte) { |
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133 public static byte parseByte( String s ){ |
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134 try{ |
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135 int res = tango.text.convert.Integer.parse( s ); |
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136 if( res < byte.min || res > byte.max ){ |
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137 throw new NumberFormatException( "out of range" ); |
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138 } |
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139 return res; |
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140 } |
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141 catch( IllegalArgumentException e ){ |
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142 throw new NumberFormatException( e ); |
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143 } |
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144 } |
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145 this( byte value ){ |
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146 super( value ); |
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147 } |
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148 } |
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149 alias Byte ValueWrapperByte; |
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150 |
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151 |
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152 class Integer : ValueWrapperT!(int) { |
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153 |
229 | 154 public static const int MIN_VALUE = 0x80000000; |
155 public static const int MAX_VALUE = 0x7fffffff; | |
156 public static const int SIZE = 32; | |
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157 |
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158 public this ( int value ){ |
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159 super( value ); |
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160 } |
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161 |
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162 public this ( String s ){ |
200 | 163 super(parseInt(s)); |
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164 } |
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165 |
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166 public static String toString( int i, int radix ){ |
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167 switch( radix ){ |
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168 case 2: |
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169 return toBinaryString(i); |
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170 case 8: |
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171 return toOctalString(i); |
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172 case 10: |
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173 return toString(i); |
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174 case 16: |
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175 return toHexString(i); |
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176 default: |
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177 implMissing( __FILE__, __LINE__ ); |
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178 return null; |
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179 } |
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180 } |
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181 |
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182 public static String toHexString( int i ){ |
248 | 183 return tango.text.convert.Integer.toString(i, "x" ); |
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184 } |
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185 |
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186 public static String toOctalString( int i ){ |
248 | 187 return tango.text.convert.Integer.toString(i, "o" ); |
197
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188 } |
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189 |
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190 public static String toBinaryString( int i ){ |
248 | 191 return tango.text.convert.Integer.toString(i, "b" ); |
197
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192 } |
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193 |
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194 public static String toString( int i ){ |
197
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195 return tango.text.convert.Integer.toString(i); |
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196 } |
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197 |
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198 public static int parseInt( String s, int radix ){ |
197
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199 try{ |
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200 return tango.text.convert.Integer.parse( s, cast(uint)radix ); |
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201 } |
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202 catch( IllegalArgumentException e ){ |
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203 throw new NumberFormatException( e ); |
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204 } |
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205 } |
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206 |
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207 public static int parseInt( String s ){ |
197
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208 try{ |
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209 return tango.text.convert.Integer.parse( s ); |
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210 } |
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211 catch( IllegalArgumentException e ){ |
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212 throw new NumberFormatException( e ); |
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213 } |
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214 } |
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215 |
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216 public static Integer valueOf( String s, int radix ){ |
197
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217 implMissing( __FILE__, __LINE__ ); |
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218 return null; |
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219 } |
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220 |
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221 public static Integer valueOf( String s ){ |
200 | 222 return valueOf( parseInt(s)); |
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223 } |
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224 |
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225 public static Integer valueOf( int i ){ |
200 | 226 return new Integer(i); |
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227 } |
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228 |
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229 public byte byteValue(){ |
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230 return cast(byte)value; |
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231 } |
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232 |
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233 public short shortValue(){ |
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234 return cast(short)value; |
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235 } |
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236 |
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237 public int intValue(){ |
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238 return value; |
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239 } |
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240 |
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241 public long longValue(){ |
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242 return cast(long)value; |
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243 } |
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244 |
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245 public float floatValue(){ |
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246 return cast(float)value; |
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247 } |
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248 |
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249 public double doubleValue(){ |
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250 return cast(double)value; |
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251 } |
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252 |
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253 public override hash_t toHash(){ |
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254 return intValue(); |
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255 } |
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256 |
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257 public override String toString(){ |
197
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258 return tango.text.convert.Integer.toString( value ); |
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259 } |
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260 } |
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261 alias Integer ValueWrapperInt; |
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262 |
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263 class Double : ValueWrapperT!(double) { |
273
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264 public static double MAX_VALUE = double.max; |
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265 public static double MIN_VALUE = double.min; |
197
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266 this( double value ){ |
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267 super(value); |
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268 } |
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269 this( String str ){ |
197
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270 implMissing( __FILE__, __LINE__ ); |
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271 super(0.0); |
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272 } |
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273 public double doubleValue(){ |
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274 return value; |
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275 } |
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276 public static String toString( double value ){ |
197
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277 implMissing( __FILE__, __LINE__ ); |
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278 return null; |
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279 } |
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280 } |
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281 |
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282 class Float : ValueWrapperT!(float) { |
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283 |
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284 public static float POSITIVE_INFINITY = (1.0f / 0.0f); |
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285 public static float NEGATIVE_INFINITY = ((-1.0f) / 0.0f); |
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286 public static float NaN = (0.0f / 0.0f); |
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287 public static float MAX_VALUE = 3.4028235e+38f; |
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288 public static float MIN_VALUE = 1.4e-45f; |
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289 public static int SIZE = 32; |
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290 |
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291 this( float value ){ |
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292 super(value); |
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293 } |
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294 this( String str ){ |
197
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295 implMissing( __FILE__, __LINE__ ); |
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296 super(0.0); |
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297 } |
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298 public float floatValue(){ |
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299 return value; |
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300 } |
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301 public static String toString( float value ){ |
197
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302 implMissing( __FILE__, __LINE__ ); |
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303 return null; |
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304 } |
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305 public static float parseFloat( String s ){ |
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306 try{ |
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307 return tango.text.convert.Float.toFloat( s ); |
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308 } |
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309 catch( IllegalArgumentException e ){ |
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310 throw new NumberFormatException( e ); |
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311 } |
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312 } |
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313 |
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314 } |
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315 class Long : ValueWrapperT!(long) { |
283 | 316 public static const long MIN_VALUE = long.min; |
317 public static const long MAX_VALUE = long.max; | |
197
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318 this( long value ){ |
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319 super(value); |
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320 } |
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321 this( String str ){ |
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322 implMissing( __FILE__, __LINE__ ); |
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323 super(0); |
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324 } |
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325 public long longValue(){ |
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326 return value; |
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327 } |
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328 public static long parseLong(String s){ |
197
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329 implMissing( __FILE__, __LINE__ ); |
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330 return 0; |
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331 } |
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332 public static String toString( double value ){ |
197
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333 implMissing( __FILE__, __LINE__ ); |
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334 return null; |
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335 } |
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336 } |
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337 alias Long ValueWrapperLong; |
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338 |
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339 |
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340 // alias ValueWrapperT!(int) ValueWrapperInt; |
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341 |
0 | 342 alias ArrayWrapperT!(byte) ArrayWrapperByte; |
343 alias ArrayWrapperT!(int) ArrayWrapperInt; | |
344 alias ArrayWrapperT!(Object) ArrayWrapperObject; | |
345 alias ArrayWrapperT!(char) ArrayWrapperString; | |
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346 alias ArrayWrapperT!(String) ArrayWrapperString2; |
0 | 347 |
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348 Object[] StringArrayToObjectArray( String[] strs ){ |
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349 Object[] res = new Object[strs.length]; |
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350 foreach( idx, str; strs ){ |
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351 res[idx] = new ArrayWrapperString(str); |
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352 } |
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353 return res; |
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354 } |
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355 int codepointIndexToIndex( String str, int cpIndex ){ |
177 | 356 int cps = cpIndex; |
357 int res = 0; | |
358 while( cps > 0 ){ | |
359 cps--; | |
360 if( str[res] < 0x80 ){ | |
361 res+=1; | |
362 } | |
363 else if( str[res] < 0xE0 ){ | |
364 res+=2; | |
365 } | |
366 else if( str[res] & 0xF0 ){ | |
367 res+=3; | |
368 } | |
369 else{ | |
370 res+=4; | |
371 } | |
372 } | |
373 return res; | |
374 } | |
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375 int indexToCodepointIndex( String str, int index ){ |
277 | 376 if( index < 0 ) return index; |
177 | 377 int i = 0; |
378 int res = 0; | |
379 while( i < index ){ | |
277 | 380 if( i >= str.length ){ |
381 break; | |
382 } | |
177 | 383 if( str[i] < 0x80 ){ |
384 i+=1; | |
385 } | |
386 else if( str[i] < 0xE0 ){ | |
387 i+=2; | |
388 } | |
389 else if( str[i] & 0xF0 ){ | |
390 i+=3; | |
391 } | |
392 else{ | |
393 i+=4; | |
394 } | |
395 res++; | |
396 } | |
397 return res; | |
398 } | |
399 | |
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400 String firstCodePointStr( String str, out int consumed ){ |
177 | 401 dchar[1] buf; |
402 uint ate; | |
403 dchar[] res = str.toString32( buf, &ate ); | |
404 consumed = ate; | |
405 return str[ 0 .. ate ]; | |
406 } | |
407 | |
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408 dchar firstCodePoint( String str ){ |
177 | 409 int dummy; |
410 return firstCodePoint( str, dummy ); | |
411 } | |
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412 dchar firstCodePoint( String str, out int consumed ){ |
177 | 413 dchar[1] buf; |
414 uint ate; | |
415 dchar[] res = str.toString32( buf, &ate ); | |
416 consumed = ate; | |
417 if( ate is 0 || res.length is 0 ){ | |
418 Trace.formatln( "dwthelper.utils {}: str.length={} str={:X2}", __LINE__, str.length, cast(ubyte[])str ); | |
0 | 419 } |
177 | 420 assert( ate > 0 ); |
421 assert( res.length is 1 ); | |
422 return res[0]; | |
0 | 423 } |
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424 dchar firstCodePoint( wchar[] str, out int consumed ){ |
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425 dchar[1] buf; |
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426 uint ate; |
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427 dchar[] res = str.toString32( buf, &ate ); |
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428 consumed = ate; |
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429 if( ate is 0 || res.length is 0 ){ |
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430 Trace.formatln( "dwthelper.utils {}: str.length={} str={:X2}", __LINE__, str.length, cast(ubyte[])str ); |
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431 } |
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432 assert( ate > 0 ); |
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433 assert( res.length is 1 ); |
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434 return res[0]; |
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435 } |
177 | 436 |
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437 String dcharToString( dchar key ){ |
177 | 438 dchar[1] buf; |
439 buf[0] = key; | |
440 return tango.text.convert.Utf.toString( buf ); | |
441 } | |
442 | |
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443 int codepointCount( String str ){ |
177 | 444 scope dchar[] buf = new dchar[]( str.length ); |
445 uint ate; | |
446 dchar[] res = tango.text.convert.Utf.toString32( str, buf, &ate ); | |
447 assert( ate is str.length ); | |
448 return res.length; | |
449 } | |
450 | |
451 alias tango.text.convert.Utf.toString16 toString16; | |
452 alias tango.text.convert.Utf.toString toString; | |
453 | |
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454 int getRelativeCodePointOffset( String str, int startIndex, int searchRelCp ){ |
287
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455 return getAbsoluteCodePointOffset( str, startIndex, searchRelCp ) - startIndex; |
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456 } |
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457 int getAbsoluteCodePointOffset( String str, int startIndex, int searchRelCp ){ |
177 | 458 int ignore; |
459 int i = startIndex; | |
460 if( searchRelCp > 0 ){ | |
461 while( searchRelCp !is 0 ){ | |
462 | |
463 if( ( i < str.length ) | |
464 && ( str[i] & 0x80 ) is 0x00 ) | |
465 { | |
466 i+=1; | |
467 } | |
468 else if( ( i+1 < str.length ) | |
469 && (( str[i+1] & 0xC0 ) is 0x80 ) | |
470 && (( str[i ] & 0xE0 ) is 0xC0 )) | |
471 { | |
472 i+=2; | |
473 } | |
474 else if( ( i+2 < str.length ) | |
475 && (( str[i+2] & 0xC0 ) is 0x80 ) | |
476 && (( str[i+1] & 0xC0 ) is 0x80 ) | |
477 && (( str[i ] & 0xF0 ) is 0xE0 )) | |
478 { | |
479 i+=3; | |
480 } | |
481 else if(( i+3 < str.length ) | |
482 && (( str[i+3] & 0xC0 ) is 0x80 ) | |
483 && (( str[i+2] & 0xC0 ) is 0x80 ) | |
484 && (( str[i+1] & 0xC0 ) is 0x80 ) | |
485 && (( str[i ] & 0xF8 ) is 0xF0 )) | |
486 { | |
487 i+=4; | |
488 } | |
489 else{ | |
277 | 490 Trace.formatln( "invalid utf8 characters: {:X2}", cast(ubyte[]) str ); |
177 | 491 tango.text.convert.Utf.onUnicodeError( "invalid utf8 input", i ); |
492 } | |
493 searchRelCp--; | |
494 } | |
495 } | |
496 else if( searchRelCp < 0 ){ | |
497 while( searchRelCp !is 0 ){ | |
498 do{ | |
499 i--; | |
500 if( i < 0 ){ | |
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501 return startIndex-1; |
277 | 502 //Trace.formatln( "dwthelper.utils getRelativeCodePointOffset {}: str={}, startIndex={}, searchRelCp={}", __LINE__, str, startIndex, searchRelCp ); |
503 //tango.text.convert.Utf.onUnicodeError( "invalid utf8 input", i ); | |
177 | 504 } |
505 } while(( str[i] & 0xC0 ) is 0x80 ); | |
506 searchRelCp++; | |
507 } | |
508 } | |
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509 return i; |
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510 } |
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511 int getAbsoluteCodePointOffset( wchar[] str, int startIndex, int searchRelCp ){ |
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512 int ignore; |
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513 int i = startIndex; |
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514 if( searchRelCp > 0 ){ |
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515 while( searchRelCp !is 0 ){ |
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516 |
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517 if( ( i < str.length ) |
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518 && ( str[i] & 0xD800 ) !is 0xD800 ) |
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519 { |
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520 i+=1; |
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521 } |
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522 else if( ( i+1 < str.length ) |
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523 && (( str[i+1] & 0xDC00 ) is 0xDC00 ) |
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524 && (( str[i ] & 0xDC00 ) is 0xD800 )) |
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525 { |
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526 i+=2; |
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527 } |
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528 else{ |
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529 Trace.formatln( "invalid utf8 characters: {:X2}", cast(ubyte[]) str ); |
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530 tango.text.convert.Utf.onUnicodeError( "invalid utf8 input", i ); |
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531 } |
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532 searchRelCp--; |
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533 } |
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534 } |
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535 else if( searchRelCp < 0 ){ |
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536 while( searchRelCp !is 0 ){ |
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537 do{ |
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538 i--; |
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539 if( i < 0 ){ |
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540 return startIndex-1; |
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541 //Trace.formatln( "dwthelper.utils getRelativeCodePointOffset {}: str={}, startIndex={}, searchRelCp={}", __LINE__, str, startIndex, searchRelCp ); |
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542 //tango.text.convert.Utf.onUnicodeError( "invalid utf8 input", i ); |
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543 } |
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544 } while(( str[i] & 0xDC00 ) is 0xDC00 ); |
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545 searchRelCp++; |
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546 } |
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547 } |
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548 return i; |
177 | 549 } |
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550 dchar getRelativeCodePoint( String str, int startIndex, int searchRelCp, out int relIndex ){ |
177 | 551 relIndex = getRelativeCodePointOffset( str, startIndex, searchRelCp ); |
552 int ignore; | |
553 return firstCodePoint( str[ startIndex+relIndex .. $ ], ignore ); | |
554 } | |
555 | |
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556 int utf8AdjustOffset( String str, int offset ){ |
177 | 557 if( str.length <= offset || offset <= 0 ){ |
558 return offset; | |
559 } | |
560 while(( str[offset] & 0xC0 ) is 0x80 ){ | |
561 offset--; | |
562 } | |
563 return offset; | |
564 } | |
277 | 565 int utf8OffsetIncr( String str, int offset ){ |
566 int res = offset +1; | |
567 if( str.length <= res || res <= 0 ){ | |
568 return res; | |
569 } | |
570 int tries = 4; | |
571 while(( str[res] & 0xC0 ) is 0x80 ){ | |
572 res++; | |
573 assert( tries-- > 0 ); | |
574 } | |
575 return res; | |
576 } | |
577 int utf8OffsetDecr( String str, int offset ){ | |
578 int res = offset-1; | |
579 if( str.length <= res || res <= 0 ){ | |
580 return res; | |
581 } | |
582 int tries = 4; | |
583 while(( str[res] & 0xC0 ) is 0x80 ){ | |
584 res--; | |
585 assert( tries-- > 0 ); | |
586 } | |
587 Trace.formatln( "utf8OffsetDecr {}->{}", offset, res ); | |
588 Trace.memory( str ); | |
589 return res; | |
590 } | |
177 | 591 |
197
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592 bool CharacterIsDefined( dchar ch ){ |
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593 return (ch in tango.text.UnicodeData.unicodeData) !is null; |
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594 } |
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595 dchar CharacterFirstToLower( String str ){ |
177 | 596 int consumed; |
597 return CharacterFirstToLower( str, consumed ); | |
598 } | |
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599 dchar CharacterFirstToLower( String str, out int consumed ){ |
177 | 600 dchar[1] buf; |
601 buf[0] = firstCodePoint( str, consumed ); | |
602 dchar[] r = tango.text.Unicode.toLower( buf ); | |
603 return r[0]; | |
604 } | |
605 | |
0 | 606 dchar CharacterToLower( dchar c ){ |
607 dchar[] r = tango.text.Unicode.toLower( [c] ); | |
608 return r[0]; | |
609 } | |
610 dchar CharacterToUpper( dchar c ){ | |
611 dchar[] r = tango.text.Unicode.toUpper( [c] ); | |
612 return r[0]; | |
613 } | |
52 | 614 bool CharacterIsWhitespace( dchar c ){ |
615 return tango.text.Unicode.isWhitespace( c ); | |
616 } | |
65 | 617 bool CharacterIsDigit( dchar c ){ |
618 return tango.text.Unicode.isDigit( c ); | |
619 } | |
197
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620 bool CharacterIsLetter( dchar c ){ |
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621 return tango.text.Unicode.isLetter( c ); |
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622 } |
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623 public String toUpperCase( String str ){ |
197
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624 return tango.text.Unicode.toUpper( str ); |
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625 } |
0 | 626 |
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627 public int indexOf( String str, char searched ){ |
15 | 628 int res = tango.text.Util.locate( str, searched ); |
629 if( res is str.length ) res = -1; | |
630 return res; | |
631 } | |
632 | |
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633 public int indexOf( String str, char searched, int startpos ){ |
15 | 634 int res = tango.text.Util.locate( str, searched, startpos ); |
635 if( res is str.length ) res = -1; | |
636 return res; | |
637 } | |
638 | |
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639 public int indexOf(String str, String ch){ |
65 | 640 return indexOf( str, ch, 0 ); |
641 } | |
642 | |
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643 public int indexOf(String str, String ch, int start){ |
15 | 644 int res = tango.text.Util.locatePattern( str, ch, start ); |
645 if( res is str.length ) res = -1; | |
646 return res; | |
647 } | |
648 | |
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649 public int lastIndexOf(String str, char ch){ |
177 | 650 return lastIndexOf( str, ch, str.length ); |
651 } | |
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652 public int lastIndexOf(String str, char ch, int formIndex){ |
177 | 653 int res = tango.text.Util.locatePrior( str, ch, formIndex ); |
654 if( res is str.length ) res = -1; | |
655 return res; | |
656 } | |
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657 public int lastIndexOf(String str, String ch ){ |
197
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658 return lastIndexOf( str, ch, str.length ); |
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659 } |
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660 public int lastIndexOf(String str, String ch, int start ){ |
197
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661 int res = tango.text.Util.locatePatternPrior( str, ch, start ); |
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662 if( res is str.length ) res = -1; |
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663 return res; |
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664 } |
177 | 665 |
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666 public String replace( String str, char from, char to ){ |
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667 return tango.text.Util.replace( str.dup, from, to ); |
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668 } |
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669 |
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670 public String substring( String str, int start ){ |
15 | 671 return str[ start .. $ ].dup; |
672 } | |
673 | |
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674 public String substring( String str, int start, int end ){ |
15 | 675 return str[ start .. end ].dup; |
676 } | |
677 | |
678 public wchar[] substring( wchar[] str, int start ){ | |
679 return str[ start .. $ ].dup; | |
680 } | |
681 | |
682 public wchar[] substring( wchar[] str, int start, int end ){ | |
683 return str[ start .. end ].dup; | |
684 } | |
685 | |
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686 public char charAt( String str, int pos ){ |
15 | 687 return str[ pos ]; |
688 } | |
689 | |
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690 public void getChars( String src, int srcBegin, int srcEnd, String dst, int dstBegin){ |
23 | 691 dst[ dstBegin .. dstBegin + srcEnd - srcBegin ] = src[ srcBegin .. srcEnd ]; |
22
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692 } |
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693 |
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694 public wchar[] toCharArray( String str ){ |
30 | 695 return toString16( str ); |
28 | 696 } |
697 | |
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698 public bool endsWith( String src, String pattern ){ |
22
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699 if( src.length < pattern.length ){ |
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700 return false; |
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701 } |
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702 return src[ $-pattern.length .. $ ] == pattern; |
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703 } |
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704 |
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705 public bool equals( String src, String other ){ |
177 | 706 return src == other; |
707 } | |
708 | |
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709 public bool equalsIgnoreCase( String src, String other ){ |
177 | 710 return tango.text.Unicode.toFold(src) == tango.text.Unicode.toFold(other); |
711 } | |
712 | |
224
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713 public int compareToIgnoreCase( String src, String other ){ |
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714 return compareTo( tango.text.Unicode.toFold(src), tango.text.Unicode.toFold(other)); |
224
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715 } |
229 | 716 public int compareTo( String src, String other ){ |
235
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717 return typeid(String).compare( cast(void*)&src, cast(void*)&other ); |
229 | 718 } |
224
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719 |
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720 public bool startsWith( String src, String pattern ){ |
98 | 721 if( src.length < pattern.length ){ |
722 return false; | |
723 } | |
724 return src[ 0 .. pattern.length ] == pattern; | |
725 } | |
197
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726 |
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727 public String toLowerCase( String src ){ |
22
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728 return tango.text.Unicode.toLower( src ); |
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729 } |
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730 |
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731 public hash_t toHash( String src ){ |
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732 return typeid(String).getHash(&src); |
177 | 733 } |
734 | |
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735 public String trim( String str ){ |
190 | 736 return tango.text.Util.trim( str ).dup; |
737 } | |
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738 public String intern( String str ){ |
197
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739 return str; |
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740 } |
190 | 741 |
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742 public char* toStringzValidPtr( String src ){ |
187
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743 if( src ){ |
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744 return src.toStringz(); |
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745 } |
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746 else{ |
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747 static const String nullPtr = "\0"; |
187
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748 return nullPtr.ptr; |
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749 } |
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750 } |
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751 |
248 | 752 public alias tango.stdc.stringz.toStringz toStringz; |
753 public alias tango.stdc.stringz.toString16z toString16z; | |
754 public alias tango.stdc.stringz.fromStringz fromStringz; | |
755 public alias tango.stdc.stringz.fromString16z fromString16z; | |
756 | |
212
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757 static String toHex(uint value, bool prefix = true, int radix = 8){ |
248 | 758 return tango.text.convert.Integer.toString( |
759 value, | |
760 radix is 10 ? "d" : | |
761 radix is 8 ? "o" : | |
762 radix is 16 ? "x" : | |
763 "d" ); | |
764 } | |
15 | 765 |
197
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766 class RuntimeException : Exception { |
212
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767 this( String e = null){ |
197
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768 super(e); |
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769 } |
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770 this( Exception e ){ |
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771 super(e.toString); |
199
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772 next = e; |
197
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773 } |
199
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774 public Exception getCause() { |
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775 return next; |
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776 } |
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777 |
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778 } |
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779 class IndexOutOfBoundsException : Exception { |
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780 this( String e = null){ |
197
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781 super(e); |
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782 } |
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783 } |
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784 |
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785 class UnsupportedOperationException : RuntimeException { |
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786 this( String e = null){ |
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787 super(e); |
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788 } |
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789 this( Exception e ){ |
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790 super(e.toString); |
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791 } |
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792 } |
15 | 793 class NumberFormatException : IllegalArgumentException { |
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794 this( String e ){ |
15 | 795 super(e); |
796 } | |
57
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797 this( Exception e ){ |
15 | 798 super(e.toString); |
799 } | |
800 } | |
197
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801 class NullPointerException : Exception { |
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802 this( String e = null ){ |
197
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803 super(e); |
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804 } |
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805 this( Exception e ){ |
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806 super(e.toString); |
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807 } |
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808 } |
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809 class IllegalStateException : Exception { |
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810 this( String e = null ){ |
197
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811 super(e); |
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812 } |
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813 this( Exception e ){ |
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814 super(e.toString); |
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815 } |
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816 } |
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817 class InterruptedException : Exception { |
212
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818 this( String e = null ){ |
197
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819 super(e); |
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820 } |
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821 this( Exception e ){ |
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822 super(e.toString); |
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823 } |
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824 } |
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825 class InvocationTargetException : Exception { |
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826 Exception cause; |
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827 this( Exception e = null, String msg = null ){ |
197
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828 super(msg); |
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829 cause = e; |
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830 } |
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831 |
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832 alias getCause getTargetException; |
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833 Exception getCause(){ |
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834 return cause; |
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835 } |
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836 } |
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837 class MissingResourceException : Exception { |
212
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838 String classname; |
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839 String key; |
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840 this( String msg, String classname, String key ){ |
197
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841 super(msg); |
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842 this.classname = classname; |
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843 this.key = key; |
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844 } |
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845 } |
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846 class ParseException : Exception { |
212
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847 this( String e = null ){ |
197
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848 super(e); |
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849 } |
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850 } |
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851 |
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852 interface Cloneable{ |
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853 } |
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854 |
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855 interface Comparable { |
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856 int compareTo(Object o); |
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857 } |
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858 interface Comparator { |
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859 int compare(Object o1, Object o2); |
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860 } |
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861 interface EventListener{ |
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862 } |
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863 |
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864 class EventObject { |
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865 protected Object source; |
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866 |
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867 public this(Object source) { |
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868 if (source is null) |
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869 throw new IllegalArgumentException( "null arg" ); |
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870 this.source = source; |
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871 } |
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872 |
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873 public Object getSource() { |
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874 return source; |
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875 } |
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876 |
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|
877 public override String toString() { |
197
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878 return this.classinfo.name ~ "[source=" ~ source.toString() ~ "]"; |
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879 } |
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880 } |
15 | 881 |
79 | 882 private struct GCStats { |
40 | 883 size_t poolsize; // total size of pool |
884 size_t usedsize; // bytes allocated | |
885 size_t freeblocks; // number of blocks marked FREE | |
886 size_t freelistsize; // total of memory on free lists | |
887 size_t pageblocks; // number of blocks marked PAGE | |
888 } | |
79 | 889 private extern(C) GCStats gc_stats(); |
890 | |
40 | 891 size_t RuntimeTotalMemory(){ |
892 GCStats s = gc_stats(); | |
893 return s.poolsize; | |
894 } | |
15 | 895 |
228
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|
896 String ExceptionGetLocalizedMessage( Exception e ){ |
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|
897 return e.msg; |
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898 } |
15 | 899 |
197
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|
900 void ExceptionPrintStackTrace( Exception e ){ |
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|
901 ExceptionPrintStackTrace( e, Stderr ); |
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902 } |
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903 void ExceptionPrintStackTrace( Exception e, Print!(char) print ){ |
206
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|
904 Exception exception = e; |
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|
905 while( exception !is null ){ |
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|
906 print.formatln( "Exception in {}({}): {}", exception.file, exception.line, exception.msg ); |
228
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|
907 if( exception.info !is null ){ |
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|
908 foreach( msg; exception.info ){ |
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|
909 print.formatln( "trc {}", msg ); |
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|
910 } |
206
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911 } |
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912 exception = exception.next; |
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913 } |
197
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914 } |
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915 |
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|
916 interface Reader{ |
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917 } |
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918 interface Writer{ |
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919 } |
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|
920 |
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|
921 |
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|
922 class Collator : Comparator { |
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|
923 public static Collator getInstance(){ |
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|
924 implMissing( __FILE__, __LINE__ ); |
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925 return null; |
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926 } |
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927 private this(){ |
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928 } |
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|
929 int compare(Object o1, Object o2){ |
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930 implMissing( __FILE__, __LINE__ ); |
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931 return 0; |
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932 } |
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933 } |
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934 |
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|
935 template arraycast(T) { |
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936 T[] arraycast(U) (U[] u) { |
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937 static if ( |
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938 (is (T == interface ) && is (U == interface )) || |
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939 (is (T == class ) && is (U == class ))) { |
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940 return(cast(T[])u); |
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941 } |
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942 else { |
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|
943 int l = u.length; |
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944 T[] res; |
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945 res.length = l; |
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946 for (int i = 0; i < l; i++) { |
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947 res[i] = cast(T)u[i]; |
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948 } |
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949 return(res); |
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950 } |
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951 } |
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952 } |
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953 |
212
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|
954 String stringcast( Object o ){ |
197
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955 if( auto str = cast(ArrayWrapperString) o ){ |
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|
956 return str.array; |
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957 } |
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958 return null; |
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959 } |
212
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|
960 String[] stringcast( Object[] objs ){ |
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|
961 String[] res = new String[](objs.length); |
197
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962 foreach( idx, obj; objs ){ |
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|
963 res[idx] = stringcast(obj); |
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|
964 } |
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|
965 return res; |
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966 } |
212
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|
967 ArrayWrapperString stringcast( String str ){ |
197
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|
968 return new ArrayWrapperString( str ); |
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969 } |
212
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|
970 ArrayWrapperString[] stringcast( String[] strs ){ |
197
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971 ArrayWrapperString[] res = new ArrayWrapperString[ strs.length ]; |
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972 foreach( idx, str; strs ){ |
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973 res[idx] = stringcast(str); |
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974 } |
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975 return res; |
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976 } |
15 | 977 |
280 | 978 String[] stringArrayFromObject( Object obj ){ |
979 if( auto wrapper = cast(ArrayWrapperString2)obj ){ | |
980 return wrapper.array; | |
981 } | |
982 if( auto wrapper = cast(ArrayWrapperObject)obj ){ | |
983 String[] res = new String[ wrapper.array.length ]; | |
984 foreach( idx, o; wrapper.array ){ | |
985 if( auto swrapper = cast(ArrayWrapperString) o ){ | |
986 res[idx] = swrapper.array; | |
987 } | |
988 } | |
989 return res; | |
990 } | |
991 assert( obj is null ); // if not null, it was the wrong type | |
992 return null; | |
993 } | |
994 | |
995 T[] arrayFromObject(T)( Object obj ){ | |
996 if( auto wrapper = cast(ArrayWrapperObject)obj ){ | |
997 T[] res = new T[ wrapper.array.length ]; | |
998 foreach( idx, o; wrapper.array ){ | |
999 res[idx] = cast(T)o; | |
1000 } | |
1001 return res; | |
1002 } | |
1003 assert( obj is null ); // if not null, it was the wrong type | |
1004 return null; | |
1005 } | |
1006 | |
15 | 1007 |
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1008 bool ArrayEquals(T)( T[] a, T[] b ){ |
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1009 if( a.length !is b.length ){ |
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1010 return false; |
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1011 } |
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1012 for( int i = 0; i < a.length; i++ ){ |
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1013 static if( is( T==class) || is(T==interface)){ |
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1014 if( a[i] !is null && b[i] !is null ){ |
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1015 if( a[i] != b[i] ){ |
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1016 return false; |
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1017 } |
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1018 } |
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1019 else if( a[i] is null && b[i] is null ){ |
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1020 } |
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1021 else{ |
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1022 return false; |
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1023 } |
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1024 } |
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1025 else{ |
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1026 if( a[i] != b[i] ){ |
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1027 return false; |
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1028 } |
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1029 } |
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1030 } |
200 | 1031 return true; |
197
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1032 } |
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1033 |
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1034 int SeqIndexOf(T)( tango.util.collection.model.Seq.Seq!(T) s, T src ){ |
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1035 int idx; |
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1036 foreach( e; s ){ |
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1037 if( e == src ){ |
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1038 return idx; |
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1039 } |
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1040 idx++; |
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1041 } |
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1042 return -1; |
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1043 } |
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1044 int arrayIndexOf(T)( T[] arr, T v ){ |
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1045 int res = -1; |
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1046 int idx = 0; |
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1047 foreach( p; arr ){ |
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1048 if( p == v){ |
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1049 res = idx; |
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1050 break; |
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1051 } |
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1052 idx++; |
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1053 } |
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1054 return res; |
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1055 } |
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1056 |
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1057 int seqIndexOf( tango.util.collection.model.Seq.Seq!(Object) seq, Object v ){ |
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1058 int res = -1; |
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1059 int idx = 0; |
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1060 foreach( p; seq ){ |
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1061 if( p == v){ |
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1062 res = idx; |
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1063 break; |
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1064 } |
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1065 idx++; |
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1066 } |
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1067 return res; |
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1068 } |
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1069 |
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1070 void PrintStackTrace( int deepth = 100, String prefix = "trc" ){ |
202 | 1071 auto e = new Exception( null ); |
1072 int idx = 0; | |
1073 const start = 3; | |
1074 foreach( msg; e.info ){ | |
1075 if( idx >= start && idx < start+deepth ) { | |
1076 Trace.formatln( "{}: {}", prefix, msg ); | |
197
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1077 } |
202 | 1078 idx++; |
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1079 } |
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1080 } |
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1081 |
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1082 struct ImportData{ |
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1083 void[] data; |
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1084 String name; |
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1085 |
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1086 public static ImportData opCall( void[] data, String name ){ |
197
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1087 ImportData res; |
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1088 res.data = data; |
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1089 res.name = name; |
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1090 return res; |
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1091 } |
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1092 } |
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1093 |
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1094 template getImportData(String name ){ |
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1095 const ImportData getImportData = ImportData( import(name), name ); |
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1096 } |
273
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1097 |