Mercurial > projects > dwt2
annotate base/src/java/lang/String.d @ 39:0ecb2b338560
further work on phobosification
author | Frank Benoit <benoit@tionex.de> |
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date | Wed, 25 Mar 2009 13:20:43 +0100 |
parents | 1bf55a6eb092 |
children | d5075f5226e5 |
rev | line source |
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1 module java.lang.String; |
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2 |
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3 import java.lang.util; |
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4 import java.lang.interfaces; |
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5 import java.lang.exceptions; |
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6 |
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7 version(Tango){ |
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8 static import tango.stdc.stringz; |
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9 static import tango.text.Util; |
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10 static import tango.text.Unicode; |
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11 static import tango.text.convert.Utf; |
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12 } else { // Phobos |
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13 static import core.exception; |
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14 static import std.uni; |
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15 static import std.utf; |
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16 static import std.string; |
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17 } |
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18 |
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19 version(Tango){ |
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20 alias char[] String; |
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21 alias char[] CString; |
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22 alias wchar[] String16; |
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23 alias wchar[] CString16; |
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24 } else { // Phobos |
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25 alias string String; |
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26 alias wstring String16; |
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27 mixin("alias const(char)[] CString;"); |
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28 mixin("alias const(wchar)[] CString16;"); |
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29 } |
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30 |
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31 int codepointIndexToIndex( String str, int cpIndex ){ |
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32 int cps = cpIndex; |
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33 int res = 0; |
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34 while( cps > 0 ){ |
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35 cps--; |
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36 if( str[res] < 0x80 ){ |
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37 res+=1; |
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38 } |
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39 else if( str[res] < 0xE0 ){ |
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40 res+=2; |
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41 } |
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42 else if( str[res] & 0xF0 ){ |
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43 res+=3; |
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44 } |
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45 else{ |
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46 res+=4; |
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47 } |
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48 } |
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49 return res; |
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50 } |
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51 |
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52 /++ |
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53 + |
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54 +/ |
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55 int indexToCodepointIndex( String str, int index ){ |
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56 if( index < 0 ) return index; |
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57 int i = 0; |
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58 int res = 0; |
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59 while( i < index ){ |
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60 if( i >= str.length ){ |
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61 break; |
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62 } |
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63 if( str[i] < 0x80 ){ |
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64 i+=1; |
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65 } |
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66 else if( str[i] < 0xE0 ){ |
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67 i+=2; |
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68 } |
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69 else if( str[i] & 0xF0 ){ |
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70 i+=3; |
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71 } |
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72 else{ |
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73 i+=4; |
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74 } |
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75 res++; |
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76 } |
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77 return res; |
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78 } |
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79 |
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80 /++ |
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81 + Get that String, that contains the next codepoint of a String. |
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82 +/ |
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83 String firstCodePointStr( String str, out int consumed ){ |
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84 version(Tango){ |
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85 dchar[1] buf; |
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86 uint ate; |
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87 dchar[] res = tango.text.convert.Utf.toString32( str, buf, &ate ); |
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88 consumed = ate; |
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89 return str[ 0 .. ate ]; |
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90 } else { // Phobos |
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91 implMissing( __FILE__, __LINE__ ); |
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92 return null; |
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93 } |
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94 } |
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95 |
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96 /++ |
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97 + Get first codepoint of a String. If an offset is needed, simply use a slice: |
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98 + --- |
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99 + dchar res = str[ offset .. $ ].firstCodePoint(); |
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100 + --- |
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101 +/ |
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102 dchar firstCodePoint( CString str ){ |
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103 int dummy; |
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104 return firstCodePoint( str, dummy ); |
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105 } |
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106 dchar firstCodePoint( CString str, out int consumed ){ |
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107 version(Tango){ |
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108 dchar[1] buf; |
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109 uint ate; |
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110 dchar[] res = tango.text.convert.Utf.toString32( str, buf, &ate ); |
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111 consumed = ate; |
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112 if( ate is 0 || res.length is 0 ){ |
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113 getDwtLogger().trace( __FILE__, __LINE__, "str.length={} str={:X2}", str.length, cast(ubyte[])str ); |
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114 } |
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115 assert( ate > 0 ); |
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116 assert( res.length is 1 ); |
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117 return res[0]; |
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118 } else { // Phobos |
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119 implMissing( __FILE__, __LINE__ ); |
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120 return '\0'; |
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121 } |
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122 } |
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123 dchar firstCodePoint( CString16 str, out int consumed ){ |
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124 version(Tango){ |
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125 dchar[1] buf; |
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126 uint ate; |
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127 dchar[] res = tango.text.convert.Utf.toString32( str, buf, &ate ); |
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128 consumed = ate; |
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129 if( ate is 0 || res.length is 0 ){ |
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130 getDwtLogger().trace( __FILE__, __LINE__, "str.length={} str={:X2}", str.length, cast(ubyte[])str ); |
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131 } |
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132 assert( ate > 0 ); |
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133 assert( res.length is 1 ); |
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134 return res[0]; |
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135 } else { // Phobos |
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136 implMissing( __FILE__, __LINE__ ); |
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137 return '\0'; |
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138 } |
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139 } |
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140 |
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141 String dcharToString( dchar key ){ |
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142 version(Tango){ |
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143 dchar[1] buf; |
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144 buf[0] = key; |
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145 return tango.text.convert.Utf.toString( buf ); |
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146 } else { // Phobos |
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147 implMissing( __FILE__, __LINE__ ); |
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148 return null; |
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149 } |
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150 } |
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151 |
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152 int codepointCount( String str ){ |
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153 version(Tango){ |
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154 scope dchar[] buf = new dchar[]( str.length ); |
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155 uint ate; |
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156 dchar[] res = tango.text.convert.Utf.toString32( str, buf, &ate ); |
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157 assert( ate is str.length ); |
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158 return res.length; |
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159 } else { // Phobos |
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160 implMissing( __FILE__, __LINE__ ); |
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161 return 0; |
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162 } |
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163 } |
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164 |
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165 //alias tango.text.convert.Utf.toString16 toString16; |
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166 //alias tango.text.convert.Utf.toString toString; |
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167 |
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168 int toAbsoluteCodePointStartOffset( String str, int index ){ |
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169 //getDwtLogger().trace( __FILE__, __LINE__, "str={}, str.length={}, index={}", str, str.length, index ); |
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170 //getDwtLogger().trace( __FILE__, __LINE__, Trace.memory( str ); |
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171 if( str.length is index ){ |
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172 return index; |
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173 } |
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174 if( ( str[index] & 0x80 ) is 0x00 ) { |
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175 return index; |
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176 } |
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177 else{ |
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178 int steps = 0; |
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179 while(( str[index] & 0xC0 ) is 0x80 ){ |
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180 index--; |
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181 steps++; |
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182 if( steps > 3 || index < 0 ){ |
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183 break; |
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184 } |
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185 } |
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186 if((( str[index] & 0xE0 ) is 0xC0) && ( steps <= 1 )){ |
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187 // ok |
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188 } |
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189 else if((( str[index] & 0xF0 ) is 0xE0) && ( steps <= 2 )){ |
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190 // ok |
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191 } |
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192 else if((( str[index] & 0xF8 ) is 0xF0) && ( steps <= 3 )){ |
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193 // ok |
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194 } |
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195 else{ |
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196 throw new UnicodeException( "invalid utf8 input to toAbsoluteCodePointStartOffset", index ); |
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197 } |
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198 return index; |
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199 } |
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200 } |
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201 int getRelativeCodePointOffset( String str, int startIndex, int searchRelCp ){ |
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202 return getAbsoluteCodePointOffset( str, startIndex, searchRelCp ) - startIndex; |
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203 } |
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204 int getAbsoluteCodePointOffset( String str, int startIndex, int searchRelCp ){ |
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205 |
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206 //getDwtLogger().trace( __FILE__, __LINE__, "str={}, str.length={}, startIndex={}, searchRelCp={}", str, str.length, startIndex, searchRelCp ); |
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207 //getDwtLogger().trace( __FILE__, __LINE__, Trace.memory( str ); |
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208 |
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209 int ignore; |
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210 int i = startIndex; |
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211 if( searchRelCp > 0 ){ |
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212 while( searchRelCp !is 0 ){ |
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213 |
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214 if( ( i < str.length ) |
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215 && (( str[i] & 0x80 ) is 0x00 )) |
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216 { |
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217 i+=1; |
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218 } |
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219 else if( ( i+1 < str.length ) |
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220 && (( str[i+1] & 0xC0 ) is 0x80 ) |
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221 && (( str[i ] & 0xE0 ) is 0xC0 )) |
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222 { |
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223 i+=2; |
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224 } |
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225 else if( ( i+2 < str.length ) |
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226 && (( str[i+2] & 0xC0 ) is 0x80 ) |
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227 && (( str[i+1] & 0xC0 ) is 0x80 ) |
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228 && (( str[i ] & 0xF0 ) is 0xE0 )) |
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229 { |
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230 i+=3; |
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231 } |
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232 else if(( i+3 < str.length ) |
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233 && (( str[i+3] & 0xC0 ) is 0x80 ) |
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234 && (( str[i+2] & 0xC0 ) is 0x80 ) |
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235 && (( str[i+1] & 0xC0 ) is 0x80 ) |
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236 && (( str[i ] & 0xF8 ) is 0xF0 )) |
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237 { |
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238 i+=4; |
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239 } |
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240 else{ |
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241 getDwtLogger().trace( __FILE__, __LINE__, "getAbsoluteCodePointOffset invalid utf8 characters: {:X2}", cast(ubyte[]) str ); |
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242 throw new UnicodeException( "invalid utf8 input", i ); |
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|
243 } |
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244 searchRelCp--; |
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245 } |
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246 } |
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247 else if( searchRelCp < 0 ){ |
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248 while( searchRelCp !is 0 ){ |
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249 do{ |
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250 i--; |
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251 if( i < 0 ){ |
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252 return startIndex-1; |
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253 } |
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254 } while(( str[i] & 0xC0 ) is 0x80 ); |
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255 searchRelCp++; |
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256 } |
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257 } |
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258 return i; |
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259 } |
39
0ecb2b338560
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27
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260 int getAbsoluteCodePointOffset( CString16 str, int startIndex, int searchRelCp ){ |
23
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261 int ignore; |
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262 int i = startIndex; |
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263 if( searchRelCp > 0 ){ |
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264 while( searchRelCp !is 0 ){ |
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265 |
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266 if( ( i < str.length ) |
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267 && ( str[i] & 0xD800 ) !is 0xD800 ) |
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268 { |
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269 i+=1; |
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270 } |
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271 else if( ( i+1 < str.length ) |
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272 && (( str[i+1] & 0xDC00 ) is 0xDC00 ) |
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273 && (( str[i ] & 0xDC00 ) is 0xD800 )) |
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274 { |
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275 i+=2; |
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276 } |
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277 else{ |
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278 getDwtLogger().trace( __FILE__, __LINE__, "invalid utf16 characters: {:X2}", cast(ubyte[]) str ); |
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279 throw new UnicodeException( "invalid utf16 input", i ); |
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280 } |
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281 searchRelCp--; |
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282 } |
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283 } |
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284 else if( searchRelCp < 0 ){ |
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285 while( searchRelCp !is 0 ){ |
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286 do{ |
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287 i--; |
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288 if( i < 0 ){ |
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289 return startIndex-1; |
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290 //getDwtLogger().trace( __FILE__, __LINE__, "dwthelper.utils getRelativeCodePointOffset {}: str={}, startIndex={}, searchRelCp={}", __LINE__, str, startIndex, searchRelCp ); |
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291 //tango.text.convert.Utf.onUnicodeError( "invalid utf16 input", i ); |
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292 } |
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293 } while(( str[i] & 0xDC00 ) is 0xDC00 ); |
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294 searchRelCp++; |
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295 } |
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296 } |
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297 return i; |
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298 } |
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299 dchar getRelativeCodePoint( String str, int startIndex, int searchRelCp ){ |
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300 int dummy; |
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301 return getRelativeCodePoint( str, startIndex, dummy ); |
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302 } |
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303 dchar getRelativeCodePoint( String str, int startIndex, int searchRelCp, out int relIndex ){ |
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304 relIndex = getRelativeCodePointOffset( str, startIndex, searchRelCp ); |
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305 int ignore; |
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306 return firstCodePoint( str[ startIndex+relIndex .. $ ], ignore ); |
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307 } |
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308 |
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309 int utf8AdjustOffset( String str, int offset ){ |
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310 if( str.length <= offset || offset <= 0 ){ |
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311 return offset; |
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312 } |
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313 while(( str[offset] & 0xC0 ) is 0x80 ){ |
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314 offset--; |
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315 } |
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316 return offset; |
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317 } |
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318 int utf8OffsetIncr( String str, int offset ){ |
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319 int res = offset +1; |
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320 if( str.length <= res || res <= 0 ){ |
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321 return res; |
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322 } |
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323 int tries = 4; |
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324 while(( str[res] & 0xC0 ) is 0x80 ){ |
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325 res++; |
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326 assert( tries-- > 0 ); |
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327 } |
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328 return res; |
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329 } |
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330 int utf8OffsetDecr( String str, int offset ){ |
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331 int res = offset-1; |
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332 if( str.length <= res || res <= 0 ){ |
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333 return res; |
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334 } |
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335 int tries = 4; |
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336 while(( str[res] & 0xC0 ) is 0x80 ){ |
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337 res--; |
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338 assert( tries-- > 0 ); |
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339 } |
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340 getDwtLogger().trace( __FILE__, __LINE__, "utf8OffsetDecr {}->{}", offset, res ); |
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341 getDwtLogger().trace( __FILE__, __LINE__, "{}", str ); |
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342 return res; |
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343 } |
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344 |
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345 String new_String( String cont, int offset, int len ){ |
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346 version(D_Version2){ |
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347 return cont[ offset .. offset+len ].idup; |
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348 } else { |
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349 return cont[ offset .. offset+len ].dup; |
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350 } |
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351 } |
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352 |
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353 String new_String( String cont ){ |
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354 version(D_Version2){ |
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355 return cont.idup; |
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356 } else { |
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357 return cont.dup; |
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358 } |
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359 } |
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360 |
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361 String String_valueOf( bool v ){ |
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362 return v ? "true" : "false"; |
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363 } |
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364 |
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365 String String_valueOf( byte v ){ |
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366 version(Tango){ |
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367 return tango.text.convert.Integer.toString(v); |
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368 } else { // Phobos |
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369 implMissing( __FILE__, __LINE__ ); |
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370 return null; |
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371 } |
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372 } |
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373 |
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374 String String_valueOf( ubyte v ){ |
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375 version(Tango){ |
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376 return tango.text.convert.Integer.toString(v); |
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377 } else { // Phobos |
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378 implMissing( __FILE__, __LINE__ ); |
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379 return null; |
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380 } |
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381 } |
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382 |
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383 String String_valueOf( short v ){ |
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384 version(Tango){ |
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385 return tango.text.convert.Integer.toString(v); |
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386 } else { // Phobos |
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387 implMissing( __FILE__, __LINE__ ); |
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388 return null; |
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389 } |
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390 } |
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391 |
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392 String String_valueOf( int v ){ |
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393 version(Tango){ |
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394 return tango.text.convert.Integer.toString(v); |
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395 } else { // Phobos |
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396 implMissing( __FILE__, __LINE__ ); |
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397 return null; |
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398 } |
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399 } |
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400 |
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401 String String_valueOf( uint v ){ |
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402 version(Tango){ |
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403 return tango.text.convert.Integer.toString(v); |
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404 } else { // Phobos |
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405 implMissing( __FILE__, __LINE__ ); |
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406 return null; |
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407 } |
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408 } |
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409 |
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410 String String_valueOf( long v ){ |
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411 version(Tango){ |
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412 return tango.text.convert.Integer.toString(v); |
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413 } else { // Phobos |
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414 implMissing( __FILE__, __LINE__ ); |
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415 return null; |
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416 } |
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parents:
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417 } |
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418 |
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419 String String_valueOf( float v ){ |
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|
420 version(Tango){ |
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421 return tango.text.convert.Float.toString(v); |
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422 } else { // Phobos |
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423 implMissing( __FILE__, __LINE__ ); |
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424 return null; |
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425 } |
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parents:
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426 } |
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427 |
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428 String String_valueOf( double v ){ |
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|
429 version(Tango){ |
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430 return tango.text.convert.Float.toString(v); |
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|
431 } else { // Phobos |
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|
432 implMissing( __FILE__, __LINE__ ); |
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433 return null; |
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434 } |
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parents:
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|
435 } |
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436 |
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437 String String_valueOf( dchar v ){ |
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438 return dcharToString(v); |
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439 } |
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440 |
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441 String String_valueOf( char[] v ){ |
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442 version(D_Version2){ |
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443 return v.idup; |
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444 } else { |
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445 return v.dup; |
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446 } |
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447 } |
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448 |
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449 String String_valueOf( char[] v, int offset, int len ){ |
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450 version(D_Version2){ |
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451 return v[ offset .. offset+len ].idup; |
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452 } else { |
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453 return v[ offset .. offset+len ].dup; |
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|
454 } |
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parents:
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|
455 } |
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|
456 |
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457 String String_valueOf( Object v ){ |
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458 return v is null ? "null" : v.toString(); |
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459 } |
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|
460 |
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461 String String_valueOf( CString16 wstr ){ |
23
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462 version(Tango){ |
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463 return tango.text.convert.Utf.toString(wstr); |
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464 } else { // Phobos |
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465 implMissing( __FILE__, __LINE__ ); |
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466 return null; |
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|
467 } |
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|
468 } |
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|
469 |
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470 int length( String str ){ |
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471 return str.length; |
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472 } |
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473 |
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474 /// Extension to String |
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475 public String toUpperCase( CString str ){ |
23
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476 version(Tango){ |
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477 return tango.text.Unicode.toUpper( str ); |
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478 } else { // Phobos |
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479 implMissing( __FILE__, __LINE__ ); |
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480 return null; |
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parents:
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|
481 } |
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parents:
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|
482 } |
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diff
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|
483 |
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|
484 /// Extension to String |
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485 public String replaceFirst( CString str, CString regex, CString replacement ){ |
23
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486 implMissing(__FILE__,__LINE__); |
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487 return null; |
23
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|
488 } |
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parents:
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|
489 |
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|
490 /// Extension to String |
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|
491 public int indexOf( CString str, char searched ){ |
23
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492 version(Tango){ |
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493 int res = tango.text.Util.locate( str, searched ); |
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494 if( res is str.length ) res = -1; |
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495 return res; |
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|
496 } else { // Phobos |
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497 implMissing( __FILE__, __LINE__ ); |
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498 return 0; |
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|
499 } |
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parents:
diff
changeset
|
500 } |
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|
501 |
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|
502 /// Extension to String |
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|
503 public int indexOf( CString str, char searched, int startpos ){ |
23
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|
504 version(Tango){ |
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505 int res = tango.text.Util.locate( str, searched, startpos ); |
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506 if( res is str.length ) res = -1; |
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507 return res; |
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|
508 } else { // Phobos |
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|
509 implMissing( __FILE__, __LINE__ ); |
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|
510 return 0; |
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|
511 } |
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parents:
diff
changeset
|
512 } |
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parents:
diff
changeset
|
513 |
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parents:
diff
changeset
|
514 /// Extension to String |
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27
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|
515 public int indexOf(CString str, String ch){ |
23
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|
516 return indexOf( str, ch, 0 ); |
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|
517 } |
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diff
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|
518 |
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parents:
diff
changeset
|
519 /// Extension to String |
39
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27
diff
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|
520 public int indexOf(CString str, String ch, int start){ |
23
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|
521 version(Tango){ |
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|
522 int res = tango.text.Util.locatePattern( str, ch, start ); |
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523 if( res is str.length ) res = -1; |
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|
524 return res; |
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parents:
diff
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|
525 } else { // Phobos |
aaa0a4e20edf
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diff
changeset
|
526 implMissing( __FILE__, __LINE__ ); |
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parents:
diff
changeset
|
527 return 0; |
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parents:
diff
changeset
|
528 } |
aaa0a4e20edf
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parents:
diff
changeset
|
529 } |
aaa0a4e20edf
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parents:
diff
changeset
|
530 |
aaa0a4e20edf
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parents:
diff
changeset
|
531 /// Extension to String |
39
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27
diff
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|
532 public int lastIndexOf(CString str, char ch){ |
23
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diff
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|
533 return lastIndexOf( str, ch, str.length ); |
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parents:
diff
changeset
|
534 } |
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parents:
diff
changeset
|
535 |
aaa0a4e20edf
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parents:
diff
changeset
|
536 /// Extension to String |
39
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Frank Benoit <benoit@tionex.de>
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27
diff
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|
537 public int lastIndexOf(CString str, char ch, int formIndex){ |
23
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diff
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|
538 version(Tango){ |
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parents:
diff
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|
539 int res = tango.text.Util.locatePrior( str, ch, formIndex ); |
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parents:
diff
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|
540 if( res is str.length ) res = -1; |
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parents:
diff
changeset
|
541 return res; |
aaa0a4e20edf
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parents:
diff
changeset
|
542 } else { // Phobos |
aaa0a4e20edf
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parents:
diff
changeset
|
543 implMissing( __FILE__, __LINE__ ); |
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parents:
diff
changeset
|
544 return 0; |
aaa0a4e20edf
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parents:
diff
changeset
|
545 } |
aaa0a4e20edf
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
546 } |
aaa0a4e20edf
Added missing files to repository
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
547 |
aaa0a4e20edf
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parents:
diff
changeset
|
548 /// Extension to String |
39
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27
diff
changeset
|
549 public int lastIndexOf(CString str, String ch ){ |
23
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diff
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|
550 return lastIndexOf( str, ch, str.length ); |
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parents:
diff
changeset
|
551 } |
aaa0a4e20edf
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parents:
diff
changeset
|
552 |
aaa0a4e20edf
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parents:
diff
changeset
|
553 /// Extension to String |
39
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Frank Benoit <benoit@tionex.de>
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27
diff
changeset
|
554 public int lastIndexOf(CString str, String ch, int start ){ |
23
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parents:
diff
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|
555 version(Tango){ |
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parents:
diff
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|
556 int res = tango.text.Util.locatePatternPrior( str, ch, start ); |
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parents:
diff
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|
557 if( res is str.length ) res = -1; |
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parents:
diff
changeset
|
558 return res; |
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parents:
diff
changeset
|
559 } else { // Phobos |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
560 implMissing( __FILE__, __LINE__ ); |
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parents:
diff
changeset
|
561 return 0; |
aaa0a4e20edf
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parents:
diff
changeset
|
562 } |
aaa0a4e20edf
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parents:
diff
changeset
|
563 } |
aaa0a4e20edf
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parents:
diff
changeset
|
564 |
aaa0a4e20edf
Added missing files to repository
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
565 /// Extension to String |
39
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27
diff
changeset
|
566 public String replaceAll( CString str, String regex, String replacement ){ |
23
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diff
changeset
|
567 implMissing(__FILE__,__LINE__); |
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parents:
diff
changeset
|
568 return null; |
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parents:
diff
changeset
|
569 } |
aaa0a4e20edf
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parents:
diff
changeset
|
570 |
aaa0a4e20edf
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
571 /// Extension to String |
39
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Frank Benoit <benoit@tionex.de>
parents:
27
diff
changeset
|
572 public String replace( CString str, char from, char to ){ |
23
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diff
changeset
|
573 version(Tango){ |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
574 return tango.text.Util.replace( str.dup, from, to ); |
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parents:
diff
changeset
|
575 } else { // Phobos |
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parents:
diff
changeset
|
576 implMissing( __FILE__, __LINE__ ); |
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parents:
diff
changeset
|
577 return null; |
aaa0a4e20edf
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parents:
diff
changeset
|
578 } |
aaa0a4e20edf
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parents:
diff
changeset
|
579 } |
aaa0a4e20edf
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
580 |
aaa0a4e20edf
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
581 /// Extension to String |
39
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582 public String substring( CString str, int start ){ |
23
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583 return cast(String)str[ start .. $ ].dup; |
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584 } |
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585 |
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586 /// Extension to String |
39
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587 public String substring( CString str, int start, int end ){ |
23
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588 return cast(String)str[ start .. end ].dup; |
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589 } |
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590 |
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591 /// Extension to String |
39
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|
592 public wchar[] substring( CString16 str, int start ){ |
23
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593 return cast(wchar[])(str[ start .. $ ].dup); |
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|
594 } |
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595 |
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|
596 /// Extension to String |
39
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597 public wchar[] substring( CString16 str, int start, int end ){ |
23
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598 return str[ start .. end ].dup; |
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599 } |
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|
600 |
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601 /// Extension to String |
39
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602 public char charAt( CString str, int pos ){ |
23
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603 return str[ pos ]; |
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604 } |
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605 |
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606 /// Extension to String |
39
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607 public dchar dcharAt( CString str, int pos ){ |
23
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608 return str[ pos .. $ ].firstCodePoint(); |
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609 } |
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610 |
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|
611 /// Extension to String |
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|
612 public void getChars( String src, int srcBegin, int srcEnd, char[] dst, int dstBegin){ |
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613 dst[ dstBegin .. dstBegin + srcEnd - srcBegin ] = src[ srcBegin .. srcEnd ]; |
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614 } |
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615 |
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parents:
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|
616 /// Extension to String |
39
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617 public String16 toWCharArray( CString str ){ |
23
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618 version(Tango){ |
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619 return tango.text.convert.Utf.toString16(str); |
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620 } else { // Phobos |
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621 implMissing( __FILE__, __LINE__ ); |
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622 return null; |
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623 } |
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624 } |
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625 |
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626 /// Extension to String |
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627 public char[] toCharArray( String str ){ |
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628 return cast(char[])str; |
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629 } |
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630 |
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631 /// Extension to String |
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632 public bool endsWith( String src, String pattern ){ |
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633 if( src.length < pattern.length ){ |
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634 return false; |
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|
635 } |
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636 return src[ $-pattern.length .. $ ] == pattern; |
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637 } |
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638 |
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639 /// Extension to String |
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640 public bool equals( String src, String other ){ |
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641 return src == other; |
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642 } |
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643 |
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644 /// Extension to String |
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|
645 public bool equalsIgnoreCase( String src, String other ){ |
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646 version(Tango){ |
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647 return tango.text.Unicode.toFold(src) == tango.text.Unicode.toFold(other); |
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648 } else { // Phobos |
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649 implMissing( __FILE__, __LINE__ ); |
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650 return false; |
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|
651 } |
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|
652 } |
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|
653 |
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|
654 /// Extension to String |
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655 public int compareToIgnoreCase( String src, String other ){ |
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656 version(Tango){ |
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657 return compareTo( tango.text.Unicode.toFold(src), tango.text.Unicode.toFold(other)); |
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658 } else { // Phobos |
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659 implMissing( __FILE__, __LINE__ ); |
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|
660 return 0; |
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|
661 } |
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|
662 } |
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663 |
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|
664 /// Extension to String |
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|
665 public int compareTo( String src, String other ){ |
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666 return typeid(String).compare( cast(void*)&src, cast(void*)&other ); |
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667 } |
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|
668 |
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|
669 /// Extension to String |
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|
670 public bool startsWith( String src, String pattern ){ |
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671 if( src.length < pattern.length ){ |
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672 return false; |
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|
673 } |
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674 return src[ 0 .. pattern.length ] == pattern; |
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|
675 } |
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676 |
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|
677 /// Extension to String |
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|
678 public String toLowerCase( String src ){ |
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679 version(Tango){ |
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680 return tango.text.Unicode.toLower( src ); |
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681 } else { // Phobos |
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|
682 implMissing( __FILE__, __LINE__ ); |
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683 return null; |
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|
684 } |
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|
685 } |
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|
686 |
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687 /// Extension to String |
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|
688 public hash_t toHash( String src ){ |
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|
689 return typeid(String).getHash(&src); |
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|
690 } |
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|
691 |
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|
692 /// Extension to String |
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|
693 public String trim( String str ){ |
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694 version(Tango){ |
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|
695 return tango.text.Util.trim( str ).dup; |
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696 } else { // Phobos |
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697 implMissing( __FILE__, __LINE__ ); |
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698 return null; |
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|
699 } |
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|
700 } |
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|
701 |
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702 /// Extension to String |
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|
703 public String intern( String str ){ |
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704 return str; |
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|
705 } |
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706 |
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|
707 /++ |
25 | 708 + This is like tango.stdc.stringz.toStringz, but in case of an empty input string, |
709 + this function returns a pointer to a null value instead of a null ptr. | |
710 +/ | |
711 public char* toStringzValidPtr( String src ){ | |
712 if( src ){ | |
713 return src.toStringz(); | |
23
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714 } |
25 | 715 else{ |
716 static const char[] nullPtr = "\0"; | |
717 return cast(char*)nullPtr.ptr; | |
718 } | |
719 } | |
23
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720 |
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|
721 version(Tango){ |
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|
722 public alias tango.stdc.stringz.toStringz toStringz; |
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723 public alias tango.stdc.stringz.toString16z toString16z; |
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724 public alias tango.stdc.stringz.fromStringz fromStringz; |
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725 public alias tango.stdc.stringz.fromString16z fromString16z; |
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|
726 } else { // Phobos |
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|
727 public char* toStringz( String s ){ |
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|
728 implMissing(__FILE__,__LINE__); |
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|
729 return null; |
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|
730 } |
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|
731 public wchar* toString16z( String16 s ){ |
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|
732 implMissing(__FILE__,__LINE__); |
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733 return null; |
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|
734 } |
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735 public char[] fromStringz( String s ){ |
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736 implMissing(__FILE__,__LINE__); |
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737 return null; |
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738 } |
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739 public char[] fromString16z( String16 s ){ |
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740 implMissing(__FILE__,__LINE__); |
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741 return null; |
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742 } |
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743 } |
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744 |
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745 static String toHex(uint value, bool prefix = true, int radix = 8){ |
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746 version(Tango){ |
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747 return tango.text.convert.Integer.toString( |
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748 value, |
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749 radix is 10 ? "d" : |
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750 radix is 8 ? "o" : |
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751 radix is 16 ? "x" : |
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752 "d" ); |
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753 } else { // Phobos |
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754 implMissing( __FILE__, __LINE__ ); |
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755 return null; |
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756 } |
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757 } |
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758 |
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759 /++ |
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760 + String in java is implementing the interface CharSequence |
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761 +/ |
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762 class StringCharSequence : CharSequence { |
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763 private String str; |
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764 this( String str ){ |
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765 this.str = str; |
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766 } |
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767 char charAt(int index){ |
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768 return str[index]; |
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769 } |
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770 int length(){ |
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771 return str.length; |
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772 } |
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773 CharSequence subSequence(int start, int end){ |
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774 return new StringCharSequence( str[ start .. end ]); |
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775 } |
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776 String toString(){ |
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777 return str; |
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778 } |
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779 } |
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780 |
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781 |
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782 |