Mercurial > projects > dwt2
annotate base/src/java/lang/String.d @ 115:b31c27b8e86d
Added Phobos implementation of java.lang.String.firstCodePoint.
author | Jacob Carlborg <doob@me.com> |
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date | Sun, 17 Apr 2011 16:53:26 +0200 |
parents | 46539f5c5993 |
children | c81e3dc6b9ad |
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 import java.lang.Class; |
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7 |
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8 version(Tango){ |
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9 static import tango.stdc.stringz; |
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10 static import tango.text.Util; |
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11 static import tango.text.Unicode; |
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12 static import tango.text.convert.Utf; |
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13 } else { // Phobos |
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14 static import core.exception; |
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15 static import std.uni; |
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16 static import std.utf; |
112 | 17 static import std.array; |
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18 static import std.string; |
112 | 19 static import std.conv; |
20 static import std.exception; | |
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21 } |
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22 |
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23 version(Tango){ |
87 | 24 public alias char[] String; |
25 public alias char[] CString; | |
26 public alias wchar[] String16; | |
27 public alias wchar[] CString16; | |
28 public alias char* ICharPtr; | |
29 public alias char* CCharPtr; | |
30 public alias wchar* CWCharPtr; | |
31 public alias wchar* IWCharPtr; | |
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32 } else { // Phobos |
87 | 33 public alias string String; |
34 public alias wstring String16; | |
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35 mixin( |
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36 "public alias const(char)[] CString; |
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37 public alias const(wchar)[] CString16; |
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38 public alias immutable(char)* ICharPtr; |
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39 public alias const(char)* CCharPtr; |
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40 public alias const(wchar)* CWCharPtr; |
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41 public alias immutable(wchar)* IWCharPtr;" |
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42 ); |
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43 } |
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44 |
51 | 45 int codepointIndexToIndex( CString str, int cpIndex ){ |
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46 int cps = cpIndex; |
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47 int res = 0; |
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48 while( cps > 0 ){ |
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49 cps--; |
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50 if( str[res] < 0x80 ){ |
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51 res+=1; |
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52 } |
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53 else if( str[res] < 0xE0 ){ |
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54 res+=2; |
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55 } |
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56 else if( str[res] & 0xF0 ){ |
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57 res+=3; |
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58 } |
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59 else{ |
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60 res+=4; |
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61 } |
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62 } |
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63 return res; |
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64 } |
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65 |
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66 /++ |
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67 + |
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68 +/ |
51 | 69 int indexToCodepointIndex( CString str, int index ){ |
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70 if( index < 0 ) return index; |
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71 int i = 0; |
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72 int res = 0; |
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73 while( i < index ){ |
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74 if( i >= str.length ){ |
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75 break; |
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76 } |
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77 if( str[i] < 0x80 ){ |
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78 i+=1; |
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79 } |
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80 else if( str[i] < 0xE0 ){ |
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81 i+=2; |
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82 } |
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83 else if( str[i] & 0xF0 ){ |
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84 i+=3; |
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85 } |
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86 else{ |
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87 i+=4; |
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88 } |
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89 res++; |
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90 } |
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91 return res; |
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92 } |
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93 |
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94 /++ |
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95 + Get that String, that contains the next codepoint of a String. |
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96 +/ |
51 | 97 String firstCodePointStr( CString str, out int consumed ){ |
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98 version(Tango){ |
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99 dchar[1] buf; |
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100 uint ate; |
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101 dchar[] res = tango.text.convert.Utf.toString32( str, buf, &ate ); |
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102 consumed = ate; |
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103 return str[ 0 .. ate ]; |
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104 } else { // Phobos |
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105 implMissing( __FILE__, __LINE__ ); |
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106 return null; |
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107 } |
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108 } |
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109 |
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110 /++ |
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111 + Get first codepoint of a String. If an offset is needed, simply use a slice: |
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112 + --- |
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113 + dchar res = str[ offset .. $ ].firstCodePoint(); |
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114 + --- |
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115 +/ |
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116 dchar firstCodePoint( CString str ){ |
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117 int dummy; |
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118 return firstCodePoint( str, dummy ); |
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119 } |
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120 dchar firstCodePoint( CString str, out int consumed ){ |
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121 version(Tango){ |
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122 dchar[1] buf; |
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123 uint ate; |
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124 dchar[] res = tango.text.convert.Utf.toString32( str, buf, &ate ); |
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125 consumed = ate; |
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126 if( ate is 0 || res.length is 0 ){ |
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127 getDwtLogger().trace( __FILE__, __LINE__, "str.length={} str={:X2}", str.length, cast(ubyte[])str ); |
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128 } |
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129 assert( ate > 0 ); |
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130 assert( res.length is 1 ); |
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131 return res[0]; |
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132 } else { // Phobos |
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133 size_t ate = 0; |
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134 auto res = std.utf.decode(str, ate); |
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135 |
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136 if (ate == 0) |
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137 getDwtLogger().trace( __FILE__, __LINE__, "str.length={} str={:X2}", str.length, cast(ubyte[])str ); |
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138 |
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139 assert(ate > 0); |
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140 consumed = ate; |
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141 |
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142 return res; |
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143 } |
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144 } |
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145 dchar firstCodePoint( CString16 str, out int consumed ){ |
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146 version(Tango){ |
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147 dchar[1] buf; |
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148 uint ate; |
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149 dchar[] res = tango.text.convert.Utf.toString32( str, buf, &ate ); |
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150 consumed = ate; |
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151 if( ate is 0 || res.length is 0 ){ |
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152 getDwtLogger().trace( __FILE__, __LINE__, "str.length={} str={:X2}", str.length, cast(ubyte[])str ); |
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153 } |
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154 assert( ate > 0 ); |
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155 assert( res.length is 1 ); |
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156 return res[0]; |
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157 } else { // Phobos |
115
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158 size_t ate = 0; |
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159 auto res = std.utf.decode(str, ate); |
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160 |
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161 if (ate == 0) |
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162 getDwtLogger().trace( __FILE__, __LINE__, "str.length={} str={:X2}", str.length, cast(ubyte[])str ); |
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163 |
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164 assert(ate > 0); |
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165 consumed = ate; |
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166 |
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167 return res; |
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168 } |
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169 } |
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170 |
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171 String dcharToString( dchar key ){ |
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172 version(Tango){ |
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173 dchar[1] buf; |
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174 buf[0] = key; |
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175 return tango.text.convert.Utf.toString( buf ); |
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176 } else { // Phobos |
114 | 177 return std.conv.to!(string)(key); |
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178 } |
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179 } |
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180 |
51 | 181 int codepointCount( CString str ){ |
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182 version(Tango){ |
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183 scope dchar[] buf = new dchar[]( str.length ); |
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184 uint ate; |
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185 dchar[] res = tango.text.convert.Utf.toString32( str, buf, &ate ); |
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186 assert( ate is str.length ); |
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187 return res.length; |
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188 } else { // Phobos |
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189 implMissing( __FILE__, __LINE__ ); |
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190 return 0; |
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191 } |
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192 } |
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193 |
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194 //alias tango.text.convert.Utf.toString16 toString16; |
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195 //alias tango.text.convert.Utf.toString toString; |
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196 |
51 | 197 int toAbsoluteCodePointStartOffset( CString str, int index ){ |
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198 //getDwtLogger().trace( __FILE__, __LINE__, "str={}, str.length={}, index={}", str, str.length, index ); |
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199 //getDwtLogger().trace( __FILE__, __LINE__, Trace.memory( str ); |
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200 if( str.length is index ){ |
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201 return index; |
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202 } |
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203 if( ( str[index] & 0x80 ) is 0x00 ) { |
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204 return index; |
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205 } |
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206 else{ |
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207 int steps = 0; |
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208 while(( str[index] & 0xC0 ) is 0x80 ){ |
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209 index--; |
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210 steps++; |
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211 if( steps > 3 || index < 0 ){ |
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212 break; |
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213 } |
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214 } |
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215 if((( str[index] & 0xE0 ) is 0xC0) && ( steps <= 1 )){ |
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216 // ok |
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217 } |
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218 else if((( str[index] & 0xF0 ) is 0xE0) && ( steps <= 2 )){ |
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219 // ok |
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220 } |
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221 else if((( str[index] & 0xF8 ) is 0xF0) && ( steps <= 3 )){ |
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222 // ok |
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223 } |
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224 else{ |
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225 throw new UnicodeException( "invalid utf8 input to toAbsoluteCodePointStartOffset", index ); |
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226 } |
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227 return index; |
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228 } |
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229 } |
51 | 230 int getRelativeCodePointOffset( CString str, int startIndex, int searchRelCp ){ |
23
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231 return getAbsoluteCodePointOffset( str, startIndex, searchRelCp ) - startIndex; |
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232 } |
51 | 233 int getAbsoluteCodePointOffset( CString str, int startIndex, int searchRelCp ){ |
23
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234 |
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235 //getDwtLogger().trace( __FILE__, __LINE__, "str={}, str.length={}, startIndex={}, searchRelCp={}", str, str.length, startIndex, searchRelCp ); |
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236 //getDwtLogger().trace( __FILE__, __LINE__, Trace.memory( str ); |
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237 |
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238 int ignore; |
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239 int i = startIndex; |
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240 if( searchRelCp > 0 ){ |
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241 while( searchRelCp !is 0 ){ |
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242 |
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243 if( ( i < str.length ) |
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244 && (( str[i] & 0x80 ) is 0x00 )) |
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245 { |
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246 i+=1; |
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247 } |
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248 else if( ( i+1 < str.length ) |
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249 && (( str[i+1] & 0xC0 ) is 0x80 ) |
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250 && (( str[i ] & 0xE0 ) is 0xC0 )) |
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251 { |
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252 i+=2; |
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253 } |
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254 else if( ( i+2 < str.length ) |
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255 && (( str[i+2] & 0xC0 ) is 0x80 ) |
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256 && (( str[i+1] & 0xC0 ) is 0x80 ) |
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257 && (( str[i ] & 0xF0 ) is 0xE0 )) |
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258 { |
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259 i+=3; |
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260 } |
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261 else if(( i+3 < str.length ) |
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262 && (( str[i+3] & 0xC0 ) is 0x80 ) |
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263 && (( str[i+2] & 0xC0 ) is 0x80 ) |
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264 && (( str[i+1] & 0xC0 ) is 0x80 ) |
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265 && (( str[i ] & 0xF8 ) is 0xF0 )) |
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266 { |
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267 i+=4; |
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268 } |
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269 else{ |
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270 getDwtLogger().trace( __FILE__, __LINE__, "getAbsoluteCodePointOffset invalid utf8 characters: {:X2}", cast(ubyte[]) str ); |
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271 throw new UnicodeException( "invalid utf8 input", i ); |
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272 } |
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273 searchRelCp--; |
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274 } |
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275 } |
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276 else if( searchRelCp < 0 ){ |
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277 while( searchRelCp !is 0 ){ |
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278 do{ |
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279 i--; |
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280 if( i < 0 ){ |
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281 return startIndex-1; |
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282 } |
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283 } while(( str[i] & 0xC0 ) is 0x80 ); |
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284 searchRelCp++; |
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285 } |
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286 } |
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287 return i; |
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288 } |
39
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289 int getAbsoluteCodePointOffset( CString16 str, int startIndex, int searchRelCp ){ |
23
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290 int ignore; |
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291 int i = startIndex; |
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292 if( searchRelCp > 0 ){ |
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293 while( searchRelCp !is 0 ){ |
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294 |
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295 if( ( i < str.length ) |
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296 && ( str[i] & 0xD800 ) !is 0xD800 ) |
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297 { |
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298 i+=1; |
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299 } |
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300 else if( ( i+1 < str.length ) |
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301 && (( str[i+1] & 0xDC00 ) is 0xDC00 ) |
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302 && (( str[i ] & 0xDC00 ) is 0xD800 )) |
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303 { |
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304 i+=2; |
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305 } |
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306 else{ |
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307 getDwtLogger().trace( __FILE__, __LINE__, "invalid utf16 characters: {:X2}", cast(ubyte[]) str ); |
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308 throw new UnicodeException( "invalid utf16 input", i ); |
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309 } |
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310 searchRelCp--; |
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311 } |
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312 } |
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313 else if( searchRelCp < 0 ){ |
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314 while( searchRelCp !is 0 ){ |
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315 do{ |
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316 i--; |
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317 if( i < 0 ){ |
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318 return startIndex-1; |
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319 //getDwtLogger().trace( __FILE__, __LINE__, "dwthelper.utils getRelativeCodePointOffset {}: str={}, startIndex={}, searchRelCp={}", __LINE__, str, startIndex, searchRelCp ); |
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320 //tango.text.convert.Utf.onUnicodeError( "invalid utf16 input", i ); |
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321 } |
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322 } while(( str[i] & 0xDC00 ) is 0xDC00 ); |
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323 searchRelCp++; |
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324 } |
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325 } |
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326 return i; |
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327 } |
54 | 328 dchar getRelativeCodePoint( CString str, int startIndex, int searchRelCp ){ |
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329 int dummy; |
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330 return getRelativeCodePoint( str, startIndex, dummy ); |
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331 } |
54 | 332 dchar getRelativeCodePoint( CString str, int startIndex, int searchRelCp, out int relIndex ){ |
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333 relIndex = getRelativeCodePointOffset( str, startIndex, searchRelCp ); |
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334 int ignore; |
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335 return firstCodePoint( str[ startIndex+relIndex .. $ ], ignore ); |
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336 } |
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337 |
54 | 338 int utf8AdjustOffset( CString str, int offset ){ |
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339 if( str.length <= offset || offset <= 0 ){ |
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340 return offset; |
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341 } |
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342 while(( str[offset] & 0xC0 ) is 0x80 ){ |
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343 offset--; |
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344 } |
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345 return offset; |
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346 } |
54 | 347 int utf8OffsetIncr( CString str, int offset ){ |
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348 int res = offset +1; |
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349 if( str.length <= res || res <= 0 ){ |
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350 return res; |
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351 } |
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352 int tries = 4; |
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353 while(( str[res] & 0xC0 ) is 0x80 ){ |
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354 res++; |
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355 assert( tries-- > 0 ); |
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356 } |
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357 return res; |
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358 } |
54 | 359 int utf8OffsetDecr( CString str, int offset ){ |
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360 int res = offset-1; |
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361 if( str.length <= res || res <= 0 ){ |
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362 return res; |
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363 } |
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364 int tries = 4; |
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365 while(( str[res] & 0xC0 ) is 0x80 ){ |
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366 res--; |
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367 assert( tries-- > 0 ); |
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368 } |
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369 getDwtLogger().trace( __FILE__, __LINE__, "utf8OffsetDecr {}->{}", offset, res ); |
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370 getDwtLogger().trace( __FILE__, __LINE__, "{}", str ); |
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371 return res; |
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372 } |
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373 |
54 | 374 String new_String( CString cont, int offset, int len ){ |
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375 version(D_Version2){ |
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376 return cont[ offset .. offset+len ].idup; |
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377 } else { |
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378 return cont[ offset .. offset+len ].dup; |
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379 } |
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380 } |
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381 |
54 | 382 String new_String( CString cont ){ |
23
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383 version(D_Version2){ |
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384 return cont.idup; |
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385 } else { |
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386 return cont.dup; |
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387 } |
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388 } |
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389 |
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390 String String_valueOf( bool v ){ |
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391 return v ? "true" : "false"; |
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392 } |
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393 |
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394 String String_valueOf( byte v ){ |
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395 version(Tango){ |
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396 return tango.text.convert.Integer.toString(v); |
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397 } else { // Phobos |
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398 implMissing( __FILE__, __LINE__ ); |
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399 return null; |
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400 } |
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401 } |
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402 |
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403 String String_valueOf( ubyte v ){ |
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404 version(Tango){ |
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405 return tango.text.convert.Integer.toString(v); |
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406 } else { // Phobos |
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407 implMissing( __FILE__, __LINE__ ); |
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408 return null; |
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409 } |
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410 } |
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411 |
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412 String String_valueOf( short v ){ |
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413 version(Tango){ |
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414 return tango.text.convert.Integer.toString(v); |
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415 } else { // Phobos |
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416 implMissing( __FILE__, __LINE__ ); |
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417 return null; |
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418 } |
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419 } |
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420 |
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421 String String_valueOf( int v ){ |
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422 version(Tango){ |
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423 return tango.text.convert.Integer.toString(v); |
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424 } else { // Phobos |
112 | 425 return std.conv.to!(String)(v); |
23
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426 } |
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427 } |
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428 |
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429 String String_valueOf( uint v ){ |
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|
430 version(Tango){ |
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431 return tango.text.convert.Integer.toString(v); |
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432 } else { // Phobos |
112 | 433 return std.conv.to!(String)(v); |
23
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434 } |
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435 } |
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436 |
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|
437 String String_valueOf( long v ){ |
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|
438 version(Tango){ |
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439 return tango.text.convert.Integer.toString(v); |
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|
440 } else { // Phobos |
112 | 441 return std.conv.to!(String)(v); |
23
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442 } |
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443 } |
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444 |
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|
445 String String_valueOf( float v ){ |
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|
446 version(Tango){ |
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447 return tango.text.convert.Float.toString(v); |
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448 } else { // Phobos |
112 | 449 return std.conv.to!(String)(v); |
23
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|
450 } |
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parents:
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451 } |
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452 |
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453 String String_valueOf( double v ){ |
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454 version(Tango){ |
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455 return tango.text.convert.Float.toString(v); |
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456 } else { // Phobos |
112 | 457 return std.conv.to!(String)(v); |
23
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458 } |
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459 } |
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460 |
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461 String String_valueOf( dchar v ){ |
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462 return dcharToString(v); |
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463 } |
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464 |
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465 String String_valueOf( char[] v ){ |
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466 version(D_Version2){ |
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467 return v.idup; |
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468 } else { |
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469 return v.dup; |
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470 } |
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471 } |
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472 |
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473 String String_valueOf( char[] v, int offset, int len ){ |
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474 version(D_Version2){ |
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475 return v[ offset .. offset+len ].idup; |
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476 } else { |
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477 return v[ offset .. offset+len ].dup; |
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478 } |
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479 } |
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480 |
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481 String String_valueOf( Object v ){ |
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482 return v is null ? "null" : v.toString(); |
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483 } |
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484 |
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485 String String_valueOf( CString16 wstr ){ |
23
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486 version(Tango){ |
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487 return tango.text.convert.Utf.toString(wstr); |
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488 } else { // Phobos |
112 | 489 return std.conv.to!(String)(wstr); |
23
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490 } |
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491 } |
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492 |
54 | 493 int length( CString str ){ |
23
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494 return str.length; |
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495 } |
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496 |
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497 /// Extension to String |
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498 public String toUpperCase( CString str ){ |
23
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499 version(Tango){ |
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500 return tango.text.Unicode.toUpper( str ); |
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501 } else { // Phobos |
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502 implMissing( __FILE__, __LINE__ ); |
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503 return null; |
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504 } |
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505 } |
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506 |
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|
507 /// Extension to String |
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508 public String replaceFirst( CString str, CString regex, CString replacement ){ |
23
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509 implMissing(__FILE__,__LINE__); |
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510 return null; |
23
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511 } |
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512 |
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513 /// Extension to String |
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514 public int indexOf( CString str, char searched ){ |
23
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515 version(Tango){ |
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516 int res = tango.text.Util.locate( str, searched ); |
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517 if( res is str.length ) res = -1; |
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518 return res; |
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519 } else { // Phobos |
112 | 520 return std.string.indexOf(str, searched); |
23
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521 } |
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522 } |
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523 |
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|
524 /// Extension to String |
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525 public int indexOf( CString str, char searched, int startpos ){ |
23
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|
526 version(Tango){ |
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527 int res = tango.text.Util.locate( str, searched, startpos ); |
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528 if( res is str.length ) res = -1; |
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529 return res; |
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|
530 } else { // Phobos |
112 | 531 int res = std.string.indexOf(str[startpos .. $], searched); |
532 if (res !is -1) res += startpos; | |
533 return res; | |
23
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534 } |
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535 } |
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536 |
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|
537 /// Extension to String |
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|
538 public int indexOf(CString str, String ch){ |
23
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539 return indexOf( str, ch, 0 ); |
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|
540 } |
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|
541 |
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|
542 /// Extension to String |
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|
543 public int indexOf(CString str, String ch, int start){ |
23
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|
544 version(Tango){ |
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|
545 int res = tango.text.Util.locatePattern( str, ch, start ); |
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546 if( res is str.length ) res = -1; |
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547 return res; |
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|
548 } else { // Phobos |
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|
549 implMissing( __FILE__, __LINE__ ); |
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|
550 return 0; |
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|
551 } |
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|
552 } |
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|
553 |
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|
554 /// Extension to String |
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Frank Benoit <benoit@tionex.de>
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|
555 public int lastIndexOf(CString str, char ch){ |
23
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|
556 return lastIndexOf( str, ch, str.length ); |
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|
557 } |
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|
558 |
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|
559 /// Extension to String |
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|
560 public int lastIndexOf(CString str, char ch, int formIndex){ |
23
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561 version(Tango){ |
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562 int res = tango.text.Util.locatePrior( str, ch, formIndex ); |
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|
563 if( res is str.length ) res = -1; |
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|
564 return res; |
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|
565 } else { // Phobos |
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|
566 implMissing( __FILE__, __LINE__ ); |
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|
567 return 0; |
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|
568 } |
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|
569 } |
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parents:
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|
570 |
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parents:
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|
571 /// Extension to String |
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27
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|
572 public int lastIndexOf(CString str, String ch ){ |
23
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573 return lastIndexOf( str, ch, str.length ); |
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|
574 } |
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|
575 |
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|
576 /// Extension to String |
39
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|
577 public int lastIndexOf(CString str, String ch, int start ){ |
23
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|
578 version(Tango){ |
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|
579 int res = tango.text.Util.locatePatternPrior( str, ch, start ); |
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|
580 if( res is str.length ) res = -1; |
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|
581 return res; |
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|
582 } else { // Phobos |
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diff
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|
583 implMissing( __FILE__, __LINE__ ); |
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diff
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|
584 return 0; |
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|
585 } |
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parents:
diff
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|
586 } |
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diff
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|
587 |
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|
588 /// Extension to String |
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|
589 public String replaceAll( CString str, String regex, String replacement ){ |
23
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|
590 implMissing(__FILE__,__LINE__); |
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parents:
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|
591 return null; |
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diff
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|
592 } |
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parents:
diff
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|
593 |
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parents:
diff
changeset
|
594 /// Extension to String |
39
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27
diff
changeset
|
595 public String replace( CString str, char from, char to ){ |
23
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|
596 version(Tango){ |
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parents:
diff
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|
597 return tango.text.Util.replace( str.dup, from, to ); |
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Frank Benoit <benoit@tionex.de>
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diff
changeset
|
598 } else { // Phobos |
112 | 599 auto res = std.array.replace(str, [from], [to]); |
600 return std.exception.assumeUnique(res); | |
23
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diff
changeset
|
601 } |
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diff
changeset
|
602 } |
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|
603 |
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parents:
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|
604 /// Extension to String |
39
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27
diff
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|
605 public String substring( CString str, int start ){ |
23
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606 return cast(String)str[ start .. $ ].dup; |
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Frank Benoit <benoit@tionex.de>
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|
607 } |
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|
608 |
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parents:
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|
609 /// Extension to String |
39
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parents:
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diff
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|
610 public String substring( CString str, int start, int end ){ |
23
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|
611 return cast(String)str[ start .. end ].dup; |
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|
612 } |
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|
613 |
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|
614 /// Extension to String |
39
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Frank Benoit <benoit@tionex.de>
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diff
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|
615 public wchar[] substring( CString16 str, int start ){ |
23
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616 return cast(wchar[])(str[ start .. $ ].dup); |
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|
617 } |
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618 |
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Frank Benoit <benoit@tionex.de>
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|
619 /// Extension to String |
39
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|
620 public wchar[] substring( CString16 str, int start, int end ){ |
23
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621 return str[ start .. end ].dup; |
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|
622 } |
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|
623 |
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|
624 /// Extension to String |
39
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|
625 public char charAt( CString str, int pos ){ |
23
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|
626 return str[ pos ]; |
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627 } |
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|
628 |
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|
629 /// Extension to String |
39
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|
630 public dchar dcharAt( CString str, int pos ){ |
23
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631 return str[ pos .. $ ].firstCodePoint(); |
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|
632 } |
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|
633 |
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|
634 /// Extension to String |
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635 public void getChars( String src, int srcBegin, int srcEnd, char[] dst, int dstBegin){ |
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636 dst[ dstBegin .. dstBegin + srcEnd - srcBegin ] = src[ srcBegin .. srcEnd ]; |
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637 } |
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638 |
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|
639 /// Extension to String |
39
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|
640 public String16 toWCharArray( CString str ){ |
23
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|
641 version(Tango){ |
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642 return tango.text.convert.Utf.toString16(str); |
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|
643 } else { // Phobos |
112 | 644 return std.conv.to!(String16)(str); |
23
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|
645 } |
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|
646 } |
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|
647 |
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Frank Benoit <benoit@tionex.de>
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|
648 /// Extension to String |
54 | 649 public char[] toCharArray( CString str ){ |
23
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|
650 return cast(char[])str; |
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|
651 } |
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|
652 |
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|
653 /// Extension to String |
54 | 654 public bool endsWith( CString src, CString pattern ){ |
23
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|
655 if( src.length < pattern.length ){ |
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|
656 return false; |
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|
657 } |
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|
658 return src[ $-pattern.length .. $ ] == pattern; |
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|
659 } |
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|
660 |
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|
661 /// Extension to String |
54 | 662 public bool equals( CString src, CString other ){ |
23
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|
663 return src == other; |
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|
664 } |
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|
665 |
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|
666 /// Extension to String |
54 | 667 public bool equalsIgnoreCase( CString src, CString other ){ |
23
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|
668 version(Tango){ |
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|
669 return tango.text.Unicode.toFold(src) == tango.text.Unicode.toFold(other); |
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|
670 } else { // Phobos |
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|
671 implMissing( __FILE__, __LINE__ ); |
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|
672 return false; |
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|
673 } |
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|
674 } |
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|
675 |
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|
676 /// Extension to String |
54 | 677 public int compareToIgnoreCase( CString src, CString other ){ |
23
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|
678 version(Tango){ |
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|
679 return compareTo( tango.text.Unicode.toFold(src), tango.text.Unicode.toFold(other)); |
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|
680 } else { // Phobos |
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|
681 implMissing( __FILE__, __LINE__ ); |
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|
682 return 0; |
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|
683 } |
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diff
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|
684 } |
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diff
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|
685 |
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|
686 /// Extension to String |
54 | 687 public int compareTo( CString src, CString other ){ |
23
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|
688 return typeid(String).compare( cast(void*)&src, cast(void*)&other ); |
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diff
changeset
|
689 } |
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|
690 |
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|
691 /// Extension to String |
54 | 692 public bool startsWith( CString src, CString pattern ){ |
23
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|
693 if( src.length < pattern.length ){ |
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diff
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|
694 return false; |
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diff
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|
695 } |
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diff
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|
696 return src[ 0 .. pattern.length ] == pattern; |
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diff
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|
697 } |
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parents:
diff
changeset
|
698 |
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diff
changeset
|
699 /// Extension to String |
54 | 700 public String toLowerCase( CString src ){ |
23
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diff
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|
701 version(Tango){ |
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parents:
diff
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|
702 return tango.text.Unicode.toLower( src ); |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
703 } else { // Phobos |
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diff
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|
704 implMissing( __FILE__, __LINE__ ); |
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Frank Benoit <benoit@tionex.de>
parents:
diff
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|
705 return null; |
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parents:
diff
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|
706 } |
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parents:
diff
changeset
|
707 } |
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parents:
diff
changeset
|
708 |
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Frank Benoit <benoit@tionex.de>
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diff
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|
709 /// Extension to String |
54 | 710 public hash_t toHash( CString src ){ |
23
aaa0a4e20edf
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diff
changeset
|
711 return typeid(String).getHash(&src); |
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parents:
diff
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|
712 } |
84 | 713 public alias toHash String_toHash; |
23
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diff
changeset
|
714 |
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Frank Benoit <benoit@tionex.de>
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diff
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|
715 /// Extension to String |
54 | 716 public String trim( CString str ){ |
23
aaa0a4e20edf
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diff
changeset
|
717 version(Tango){ |
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parents:
diff
changeset
|
718 return tango.text.Util.trim( str ).dup; |
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parents:
diff
changeset
|
719 } else { // Phobos |
114 | 720 return std.string.strip( str.idup ); |
23
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diff
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|
721 } |
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parents:
diff
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|
722 } |
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diff
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|
723 |
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Frank Benoit <benoit@tionex.de>
parents:
diff
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|
724 /// Extension to String |
54 | 725 public String intern( CString str ){ |
726 return str._idup(); | |
23
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diff
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|
727 } |
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diff
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|
728 |
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parents:
diff
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|
729 /++ |
25 | 730 + This is like tango.stdc.stringz.toStringz, but in case of an empty input string, |
731 + this function returns a pointer to a null value instead of a null ptr. | |
732 +/ | |
51 | 733 public char* toStringzValidPtr( CString src ){ |
25 | 734 if( src ){ |
735 return src.toStringz(); | |
23
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diff
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|
736 } |
25 | 737 else{ |
738 static const char[] nullPtr = "\0"; | |
739 return cast(char*)nullPtr.ptr; | |
740 } | |
741 } | |
23
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diff
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|
742 |
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parents:
diff
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|
743 version(Tango){ |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
744 public alias tango.stdc.stringz.toStringz toStringz; |
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parents:
diff
changeset
|
745 public alias tango.stdc.stringz.toString16z toString16z; |
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Frank Benoit <benoit@tionex.de>
parents:
diff
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|
746 public alias tango.stdc.stringz.fromStringz fromStringz; |
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Frank Benoit <benoit@tionex.de>
parents:
diff
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|
747 public alias tango.stdc.stringz.fromString16z fromString16z; |
aaa0a4e20edf
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parents:
diff
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|
748 } else { // Phobos |
50 | 749 public char* toStringz( CString s ){ |
113
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D2 support for the linux port.
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parents:
112
diff
changeset
|
750 if (s.ptr) { |
fb3aa8075988
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Jacob Carlborg <doob@me.com>
parents:
112
diff
changeset
|
751 if (s.length == 0) |
fb3aa8075988
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parents:
112
diff
changeset
|
752 return "\0".dup.ptr; |
fb3aa8075988
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Jacob Carlborg <doob@me.com>
parents:
112
diff
changeset
|
753 |
fb3aa8075988
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parents:
112
diff
changeset
|
754 else |
fb3aa8075988
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parents:
112
diff
changeset
|
755 return (s ~ "\0").dup.ptr; |
fb3aa8075988
D2 support for the linux port.
Jacob Carlborg <doob@me.com>
parents:
112
diff
changeset
|
756 } |
fb3aa8075988
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parents:
112
diff
changeset
|
757 |
23
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diff
changeset
|
758 return null; |
aaa0a4e20edf
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diff
changeset
|
759 } |
50 | 760 public wchar* toString16z( CString16 s ){ |
113
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parents:
112
diff
changeset
|
761 if (s.ptr) { |
fb3aa8075988
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Jacob Carlborg <doob@me.com>
parents:
112
diff
changeset
|
762 if (s.length == 0) |
fb3aa8075988
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Jacob Carlborg <doob@me.com>
parents:
112
diff
changeset
|
763 return "\0"w.dup.ptr; |
fb3aa8075988
D2 support for the linux port.
Jacob Carlborg <doob@me.com>
parents:
112
diff
changeset
|
764 |
fb3aa8075988
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Jacob Carlborg <doob@me.com>
parents:
112
diff
changeset
|
765 else |
fb3aa8075988
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Jacob Carlborg <doob@me.com>
parents:
112
diff
changeset
|
766 return (s ~ "\0"w).dup.ptr; |
fb3aa8075988
D2 support for the linux port.
Jacob Carlborg <doob@me.com>
parents:
112
diff
changeset
|
767 } |
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768 |
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769 return null; |
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770 } |
50 | 771 public char[] fromStringz( CCharPtr s ){ |
113
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772 size_t len; |
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773 |
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774 if (s) |
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775 while (*s++) |
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776 len++; |
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777 |
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778 return s[0 .. len].dup; |
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779 } |
113
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780 public wchar[] fromString16z( CWCharPtr s ){ |
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781 size_t len; |
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782 |
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783 if (s) |
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784 while (*s++) |
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785 len++; |
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786 |
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787 return s[0 .. len].dup; |
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788 } |
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789 } |
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790 |
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791 static String toHex(uint value, bool prefix = true, int radix = 8){ |
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792 version(Tango){ |
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793 return tango.text.convert.Integer.toString( |
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794 value, |
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795 radix is 10 ? "d" : |
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796 radix is 8 ? "o" : |
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797 radix is 16 ? "x" : |
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798 "d" ); |
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799 } else { // Phobos |
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800 implMissing( __FILE__, __LINE__ ); |
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801 return null; |
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802 } |
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803 } |
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804 |
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805 /++ |
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806 + String in java is implementing the interface CharSequence |
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807 +/ |
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808 class StringCharSequence : CharSequence { |
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809 private String str; |
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810 this( String str ){ |
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811 this.str = str; |
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812 } |
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813 char charAt(int index){ |
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814 return str[index]; |
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815 } |
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816 int length(){ |
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817 return str.length; |
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818 } |
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819 CharSequence subSequence(int start, int end){ |
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820 return new StringCharSequence( str[ start .. end ]); |
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|
821 } |
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822 String toString(){ |
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823 return str; |
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824 } |
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825 } |
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826 |
84 | 827 class StringCls { |
88
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828 private static Class TYPE_; |
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829 public static Class TYPE(){ |
84 | 830 if( TYPE_ is null ){ |
88
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831 TYPE_ = Class.fromType!(char[]); |
84 | 832 } |
833 return TYPE_; | |
834 } | |
835 | |
836 } | |
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837 |
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838 |