Mercurial > projects > dwt2
annotate base/src/java/lang/String.d @ 118:ff7053751d15
Added Phobos implementation of java.lang.String.indexOf and lastIndexOf.
author | Jacob Carlborg <doob@me.com> |
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date | Sun, 17 Apr 2011 17:57:11 +0200 |
parents | c81e3dc6b9ad |
children | d00e8db0a568 |
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 |
115
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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 |
117
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189 return std.utf.count(str); |
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190 } |
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191 } |
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192 |
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193 //alias tango.text.convert.Utf.toString16 toString16; |
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194 //alias tango.text.convert.Utf.toString toString; |
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195 |
51 | 196 int toAbsoluteCodePointStartOffset( CString str, int index ){ |
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197 //getDwtLogger().trace( __FILE__, __LINE__, "str={}, str.length={}, index={}", str, str.length, index ); |
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198 //getDwtLogger().trace( __FILE__, __LINE__, Trace.memory( str ); |
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199 if( str.length is index ){ |
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200 return index; |
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201 } |
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202 if( ( str[index] & 0x80 ) is 0x00 ) { |
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203 return index; |
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204 } |
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205 else{ |
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206 int steps = 0; |
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207 while(( str[index] & 0xC0 ) is 0x80 ){ |
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208 index--; |
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209 steps++; |
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210 if( steps > 3 || index < 0 ){ |
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211 break; |
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212 } |
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213 } |
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214 if((( str[index] & 0xE0 ) is 0xC0) && ( steps <= 1 )){ |
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215 // ok |
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216 } |
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217 else if((( str[index] & 0xF0 ) is 0xE0) && ( steps <= 2 )){ |
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218 // ok |
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219 } |
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220 else if((( str[index] & 0xF8 ) is 0xF0) && ( steps <= 3 )){ |
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221 // ok |
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222 } |
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223 else{ |
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224 throw new UnicodeException( "invalid utf8 input to toAbsoluteCodePointStartOffset", index ); |
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225 } |
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226 return index; |
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227 } |
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228 } |
51 | 229 int getRelativeCodePointOffset( CString str, int startIndex, int searchRelCp ){ |
23
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230 return getAbsoluteCodePointOffset( str, startIndex, searchRelCp ) - startIndex; |
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231 } |
51 | 232 int getAbsoluteCodePointOffset( CString str, int startIndex, int searchRelCp ){ |
23
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233 |
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234 //getDwtLogger().trace( __FILE__, __LINE__, "str={}, str.length={}, startIndex={}, searchRelCp={}", str, str.length, startIndex, searchRelCp ); |
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235 //getDwtLogger().trace( __FILE__, __LINE__, Trace.memory( str ); |
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236 |
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237 int ignore; |
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238 int i = startIndex; |
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239 if( searchRelCp > 0 ){ |
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240 while( searchRelCp !is 0 ){ |
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241 |
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242 if( ( i < str.length ) |
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243 && (( str[i] & 0x80 ) is 0x00 )) |
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244 { |
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245 i+=1; |
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246 } |
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247 else if( ( i+1 < str.length ) |
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248 && (( str[i+1] & 0xC0 ) is 0x80 ) |
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249 && (( str[i ] & 0xE0 ) is 0xC0 )) |
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250 { |
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251 i+=2; |
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252 } |
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253 else if( ( i+2 < str.length ) |
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254 && (( str[i+2] & 0xC0 ) is 0x80 ) |
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255 && (( str[i+1] & 0xC0 ) is 0x80 ) |
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256 && (( str[i ] & 0xF0 ) is 0xE0 )) |
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257 { |
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258 i+=3; |
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259 } |
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260 else if(( i+3 < str.length ) |
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261 && (( str[i+3] & 0xC0 ) is 0x80 ) |
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262 && (( str[i+2] & 0xC0 ) is 0x80 ) |
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263 && (( str[i+1] & 0xC0 ) is 0x80 ) |
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264 && (( str[i ] & 0xF8 ) is 0xF0 )) |
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265 { |
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266 i+=4; |
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267 } |
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268 else{ |
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269 getDwtLogger().trace( __FILE__, __LINE__, "getAbsoluteCodePointOffset invalid utf8 characters: {:X2}", cast(ubyte[]) str ); |
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270 throw new UnicodeException( "invalid utf8 input", i ); |
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271 } |
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272 searchRelCp--; |
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273 } |
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274 } |
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275 else if( searchRelCp < 0 ){ |
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276 while( searchRelCp !is 0 ){ |
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277 do{ |
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278 i--; |
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279 if( i < 0 ){ |
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280 return startIndex-1; |
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281 } |
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282 } while(( str[i] & 0xC0 ) is 0x80 ); |
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283 searchRelCp++; |
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284 } |
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285 } |
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286 return i; |
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287 } |
39
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288 int getAbsoluteCodePointOffset( CString16 str, int startIndex, int searchRelCp ){ |
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289 int ignore; |
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290 int i = startIndex; |
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291 if( searchRelCp > 0 ){ |
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292 while( searchRelCp !is 0 ){ |
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293 |
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294 if( ( i < str.length ) |
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295 && ( str[i] & 0xD800 ) !is 0xD800 ) |
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296 { |
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297 i+=1; |
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298 } |
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299 else if( ( i+1 < str.length ) |
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300 && (( str[i+1] & 0xDC00 ) is 0xDC00 ) |
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301 && (( str[i ] & 0xDC00 ) is 0xD800 )) |
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302 { |
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303 i+=2; |
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304 } |
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305 else{ |
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306 getDwtLogger().trace( __FILE__, __LINE__, "invalid utf16 characters: {:X2}", cast(ubyte[]) str ); |
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307 throw new UnicodeException( "invalid utf16 input", i ); |
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308 } |
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309 searchRelCp--; |
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310 } |
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311 } |
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312 else if( searchRelCp < 0 ){ |
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313 while( searchRelCp !is 0 ){ |
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314 do{ |
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315 i--; |
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316 if( i < 0 ){ |
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317 return startIndex-1; |
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318 //getDwtLogger().trace( __FILE__, __LINE__, "dwthelper.utils getRelativeCodePointOffset {}: str={}, startIndex={}, searchRelCp={}", __LINE__, str, startIndex, searchRelCp ); |
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319 //tango.text.convert.Utf.onUnicodeError( "invalid utf16 input", i ); |
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320 } |
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321 } while(( str[i] & 0xDC00 ) is 0xDC00 ); |
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322 searchRelCp++; |
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323 } |
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324 } |
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325 return i; |
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326 } |
54 | 327 dchar getRelativeCodePoint( CString str, int startIndex, int searchRelCp ){ |
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328 int dummy; |
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329 return getRelativeCodePoint( str, startIndex, dummy ); |
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330 } |
54 | 331 dchar getRelativeCodePoint( CString str, int startIndex, int searchRelCp, out int relIndex ){ |
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332 relIndex = getRelativeCodePointOffset( str, startIndex, searchRelCp ); |
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333 int ignore; |
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334 return firstCodePoint( str[ startIndex+relIndex .. $ ], ignore ); |
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335 } |
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336 |
54 | 337 int utf8AdjustOffset( CString str, int offset ){ |
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338 if( str.length <= offset || offset <= 0 ){ |
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339 return offset; |
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340 } |
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341 while(( str[offset] & 0xC0 ) is 0x80 ){ |
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342 offset--; |
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343 } |
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344 return offset; |
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345 } |
54 | 346 int utf8OffsetIncr( CString str, int offset ){ |
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347 int res = offset +1; |
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348 if( str.length <= res || res <= 0 ){ |
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349 return res; |
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350 } |
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351 int tries = 4; |
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352 while(( str[res] & 0xC0 ) is 0x80 ){ |
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353 res++; |
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354 assert( tries-- > 0 ); |
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355 } |
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356 return res; |
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357 } |
54 | 358 int utf8OffsetDecr( CString str, int offset ){ |
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359 int res = offset-1; |
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360 if( str.length <= res || res <= 0 ){ |
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361 return res; |
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362 } |
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363 int tries = 4; |
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364 while(( str[res] & 0xC0 ) is 0x80 ){ |
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365 res--; |
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366 assert( tries-- > 0 ); |
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367 } |
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368 getDwtLogger().trace( __FILE__, __LINE__, "utf8OffsetDecr {}->{}", offset, res ); |
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369 getDwtLogger().trace( __FILE__, __LINE__, "{}", str ); |
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370 return res; |
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371 } |
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372 |
54 | 373 String new_String( CString cont, int offset, int len ){ |
23
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374 version(D_Version2){ |
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375 return cont[ offset .. offset+len ].idup; |
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376 } else { |
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377 return cont[ offset .. offset+len ].dup; |
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378 } |
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379 } |
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380 |
54 | 381 String new_String( CString cont ){ |
23
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382 version(D_Version2){ |
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383 return cont.idup; |
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384 } else { |
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385 return cont.dup; |
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386 } |
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387 } |
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388 |
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389 String String_valueOf( bool v ){ |
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390 return v ? "true" : "false"; |
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391 } |
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392 |
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393 String String_valueOf( byte v ){ |
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394 version(Tango){ |
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395 return tango.text.convert.Integer.toString(v); |
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396 } else { // Phobos |
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397 implMissing( __FILE__, __LINE__ ); |
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398 return null; |
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399 } |
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400 } |
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401 |
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402 String String_valueOf( ubyte v ){ |
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403 version(Tango){ |
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404 return tango.text.convert.Integer.toString(v); |
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405 } else { // Phobos |
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406 implMissing( __FILE__, __LINE__ ); |
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407 return null; |
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408 } |
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409 } |
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410 |
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411 String String_valueOf( short v ){ |
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412 version(Tango){ |
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413 return tango.text.convert.Integer.toString(v); |
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414 } else { // Phobos |
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415 implMissing( __FILE__, __LINE__ ); |
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416 return null; |
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417 } |
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418 } |
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419 |
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420 String String_valueOf( int v ){ |
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421 version(Tango){ |
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422 return tango.text.convert.Integer.toString(v); |
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423 } else { // Phobos |
112 | 424 return std.conv.to!(String)(v); |
23
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425 } |
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426 } |
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427 |
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|
428 String String_valueOf( uint v ){ |
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|
429 version(Tango){ |
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430 return tango.text.convert.Integer.toString(v); |
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431 } else { // Phobos |
112 | 432 return std.conv.to!(String)(v); |
23
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433 } |
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434 } |
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435 |
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|
436 String String_valueOf( long v ){ |
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|
437 version(Tango){ |
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438 return tango.text.convert.Integer.toString(v); |
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|
439 } else { // Phobos |
112 | 440 return std.conv.to!(String)(v); |
23
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|
441 } |
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442 } |
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|
443 |
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|
444 String String_valueOf( float v ){ |
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|
445 version(Tango){ |
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446 return tango.text.convert.Float.toString(v); |
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447 } else { // Phobos |
112 | 448 return std.conv.to!(String)(v); |
23
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|
449 } |
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|
450 } |
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451 |
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452 String String_valueOf( double v ){ |
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453 version(Tango){ |
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454 return tango.text.convert.Float.toString(v); |
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455 } else { // Phobos |
112 | 456 return std.conv.to!(String)(v); |
23
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457 } |
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458 } |
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|
459 |
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|
460 String String_valueOf( dchar v ){ |
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461 return dcharToString(v); |
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|
462 } |
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463 |
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464 String String_valueOf( char[] v ){ |
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465 version(D_Version2){ |
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466 return v.idup; |
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467 } else { |
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468 return v.dup; |
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469 } |
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470 } |
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471 |
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472 String String_valueOf( char[] v, int offset, int len ){ |
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473 version(D_Version2){ |
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474 return v[ offset .. offset+len ].idup; |
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475 } else { |
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476 return v[ offset .. offset+len ].dup; |
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477 } |
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478 } |
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479 |
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480 String String_valueOf( Object v ){ |
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481 return v is null ? "null" : v.toString(); |
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482 } |
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|
483 |
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484 String String_valueOf( CString16 wstr ){ |
23
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485 version(Tango){ |
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486 return tango.text.convert.Utf.toString(wstr); |
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487 } else { // Phobos |
112 | 488 return std.conv.to!(String)(wstr); |
23
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489 } |
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490 } |
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491 |
54 | 492 int length( CString str ){ |
23
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493 return str.length; |
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494 } |
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|
495 |
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496 /// Extension to String |
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497 public String toUpperCase( CString str ){ |
23
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498 version(Tango){ |
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499 return tango.text.Unicode.toUpper( str ); |
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|
500 } else { // Phobos |
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|
501 implMissing( __FILE__, __LINE__ ); |
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502 return null; |
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|
503 } |
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parents:
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|
504 } |
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|
505 |
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|
506 /// Extension to String |
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507 public String replaceFirst( CString str, CString regex, CString replacement ){ |
23
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508 implMissing(__FILE__,__LINE__); |
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509 return null; |
23
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|
510 } |
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|
511 |
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|
512 /// Extension to String |
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513 public int indexOf( CString str, char searched ){ |
23
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|
514 version(Tango){ |
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515 int res = tango.text.Util.locate( str, searched ); |
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516 if( res is str.length ) res = -1; |
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517 return res; |
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518 } else { // Phobos |
112 | 519 return std.string.indexOf(str, searched); |
23
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520 } |
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|
521 } |
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|
522 |
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|
523 /// Extension to String |
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|
524 public int indexOf( CString str, char searched, int startpos ){ |
23
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|
525 version(Tango){ |
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|
526 int res = tango.text.Util.locate( str, searched, startpos ); |
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527 if( res is str.length ) res = -1; |
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528 return res; |
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|
529 } else { // Phobos |
112 | 530 int res = std.string.indexOf(str[startpos .. $], searched); |
531 if (res !is -1) res += startpos; | |
532 return res; | |
23
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|
533 } |
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|
534 } |
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|
535 |
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diff
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|
536 /// Extension to String |
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27
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|
537 public int indexOf(CString str, String ch){ |
23
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|
538 return indexOf( str, ch, 0 ); |
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diff
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|
539 } |
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diff
changeset
|
540 |
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diff
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|
541 /// Extension to String |
39
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27
diff
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|
542 public int indexOf(CString str, String ch, int start){ |
23
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|
543 version(Tango){ |
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|
544 int res = tango.text.Util.locatePattern( str, ch, start ); |
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diff
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|
545 if( res is str.length ) res = -1; |
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parents:
diff
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|
546 return res; |
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diff
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|
547 } else { // Phobos |
118
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Added Phobos implementation of java.lang.String.indexOf and lastIndexOf.
Jacob Carlborg <doob@me.com>
parents:
117
diff
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|
548 return std.string.indexOf(str[start .. $], ch); |
23
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diff
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|
549 } |
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parents:
diff
changeset
|
550 } |
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parents:
diff
changeset
|
551 |
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parents:
diff
changeset
|
552 /// Extension to String |
39
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27
diff
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|
553 public int lastIndexOf(CString str, char ch){ |
23
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diff
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|
554 return lastIndexOf( str, ch, str.length ); |
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diff
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|
555 } |
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diff
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|
556 |
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|
557 /// Extension to String |
39
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27
diff
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|
558 public int lastIndexOf(CString str, char ch, int formIndex){ |
23
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|
559 version(Tango){ |
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diff
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|
560 int res = tango.text.Util.locatePrior( str, ch, formIndex ); |
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|
561 if( res is str.length ) res = -1; |
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|
562 return res; |
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diff
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|
563 } else { // Phobos |
118
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Added Phobos implementation of java.lang.String.indexOf and lastIndexOf.
Jacob Carlborg <doob@me.com>
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117
diff
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|
564 return std.string.lastIndexOf(str[0 .. fromIndex], ch); |
23
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diff
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|
565 } |
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parents:
diff
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|
566 } |
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Frank Benoit <benoit@tionex.de>
parents:
diff
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|
567 |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
568 /// Extension to String |
39
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Frank Benoit <benoit@tionex.de>
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27
diff
changeset
|
569 public int lastIndexOf(CString str, String ch ){ |
23
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diff
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|
570 return lastIndexOf( str, ch, str.length ); |
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diff
changeset
|
571 } |
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diff
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|
572 |
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parents:
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|
573 /// Extension to String |
39
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Frank Benoit <benoit@tionex.de>
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27
diff
changeset
|
574 public int lastIndexOf(CString str, String ch, int start ){ |
23
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diff
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|
575 version(Tango){ |
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diff
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|
576 int res = tango.text.Util.locatePatternPrior( str, ch, start ); |
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diff
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|
577 if( res is str.length ) res = -1; |
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diff
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|
578 return res; |
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|
579 } else { // Phobos |
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diff
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|
580 implMissing( __FILE__, __LINE__ ); |
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parents:
diff
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|
581 return 0; |
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diff
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|
582 } |
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parents:
diff
changeset
|
583 } |
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parents:
diff
changeset
|
584 |
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diff
changeset
|
585 /// Extension to String |
39
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27
diff
changeset
|
586 public String replaceAll( CString str, String regex, String replacement ){ |
23
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|
587 implMissing(__FILE__,__LINE__); |
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parents:
diff
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|
588 return null; |
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parents:
diff
changeset
|
589 } |
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parents:
diff
changeset
|
590 |
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parents:
diff
changeset
|
591 /// Extension to String |
39
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27
diff
changeset
|
592 public String replace( CString str, char from, char to ){ |
23
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diff
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|
593 version(Tango){ |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
594 return tango.text.Util.replace( str.dup, from, to ); |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
595 } else { // Phobos |
112 | 596 auto res = std.array.replace(str, [from], [to]); |
597 return std.exception.assumeUnique(res); | |
23
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diff
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|
598 } |
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parents:
diff
changeset
|
599 } |
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parents:
diff
changeset
|
600 |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
601 /// Extension to String |
39
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602 public String substring( CString str, int start ){ |
23
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603 return cast(String)str[ start .. $ ].dup; |
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604 } |
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605 |
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|
606 /// Extension to String |
39
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diff
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|
607 public String substring( CString str, int start, int end ){ |
23
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608 return cast(String)str[ start .. end ].dup; |
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609 } |
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|
610 |
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|
611 /// Extension to String |
39
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diff
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|
612 public wchar[] substring( CString16 str, int start ){ |
23
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613 return cast(wchar[])(str[ start .. $ ].dup); |
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|
614 } |
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|
615 |
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|
616 /// Extension to String |
39
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617 public wchar[] substring( CString16 str, int start, int end ){ |
23
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618 return str[ start .. end ].dup; |
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|
619 } |
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620 |
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|
621 /// Extension to String |
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|
622 public char charAt( CString str, int pos ){ |
23
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623 return str[ pos ]; |
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624 } |
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625 |
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|
626 /// Extension to String |
39
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627 public dchar dcharAt( CString str, int pos ){ |
23
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628 return str[ pos .. $ ].firstCodePoint(); |
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629 } |
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|
630 |
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|
631 /// Extension to String |
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632 public void getChars( String src, int srcBegin, int srcEnd, char[] dst, int dstBegin){ |
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633 dst[ dstBegin .. dstBegin + srcEnd - srcBegin ] = src[ srcBegin .. srcEnd ]; |
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634 } |
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635 |
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|
636 /// Extension to String |
39
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diff
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|
637 public String16 toWCharArray( CString str ){ |
23
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|
638 version(Tango){ |
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639 return tango.text.convert.Utf.toString16(str); |
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640 } else { // Phobos |
112 | 641 return std.conv.to!(String16)(str); |
23
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|
642 } |
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|
643 } |
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|
644 |
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Frank Benoit <benoit@tionex.de>
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|
645 /// Extension to String |
54 | 646 public char[] toCharArray( CString str ){ |
23
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|
647 return cast(char[])str; |
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|
648 } |
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parents:
diff
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|
649 |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
650 /// Extension to String |
54 | 651 public bool endsWith( CString src, CString pattern ){ |
23
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652 if( src.length < pattern.length ){ |
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|
653 return false; |
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|
654 } |
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parents:
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|
655 return src[ $-pattern.length .. $ ] == pattern; |
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changeset
|
656 } |
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diff
changeset
|
657 |
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|
658 /// Extension to String |
54 | 659 public bool equals( CString src, CString other ){ |
23
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|
660 return src == other; |
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|
661 } |
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|
662 |
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|
663 /// Extension to String |
54 | 664 public bool equalsIgnoreCase( CString src, CString other ){ |
23
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|
665 version(Tango){ |
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|
666 return tango.text.Unicode.toFold(src) == tango.text.Unicode.toFold(other); |
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|
667 } else { // Phobos |
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|
668 implMissing( __FILE__, __LINE__ ); |
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|
669 return false; |
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|
670 } |
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|
671 } |
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|
672 |
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|
673 /// Extension to String |
54 | 674 public int compareToIgnoreCase( CString src, CString other ){ |
23
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|
675 version(Tango){ |
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|
676 return compareTo( tango.text.Unicode.toFold(src), tango.text.Unicode.toFold(other)); |
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|
677 } else { // Phobos |
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|
678 implMissing( __FILE__, __LINE__ ); |
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|
679 return 0; |
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|
680 } |
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diff
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|
681 } |
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|
682 |
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|
683 /// Extension to String |
54 | 684 public int compareTo( CString src, CString other ){ |
23
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|
685 return typeid(String).compare( cast(void*)&src, cast(void*)&other ); |
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|
686 } |
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|
687 |
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Frank Benoit <benoit@tionex.de>
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|
688 /// Extension to String |
54 | 689 public bool startsWith( CString src, CString pattern ){ |
23
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|
690 if( src.length < pattern.length ){ |
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|
691 return false; |
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diff
changeset
|
692 } |
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diff
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|
693 return src[ 0 .. pattern.length ] == pattern; |
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parents:
diff
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|
694 } |
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diff
changeset
|
695 |
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parents:
diff
changeset
|
696 /// Extension to String |
54 | 697 public String toLowerCase( CString src ){ |
23
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diff
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|
698 version(Tango){ |
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Frank Benoit <benoit@tionex.de>
parents:
diff
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|
699 return tango.text.Unicode.toLower( src ); |
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Frank Benoit <benoit@tionex.de>
parents:
diff
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|
700 } else { // Phobos |
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parents:
diff
changeset
|
701 implMissing( __FILE__, __LINE__ ); |
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parents:
diff
changeset
|
702 return null; |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
703 } |
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parents:
diff
changeset
|
704 } |
aaa0a4e20edf
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parents:
diff
changeset
|
705 |
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Frank Benoit <benoit@tionex.de>
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|
706 /// Extension to String |
54 | 707 public hash_t toHash( CString src ){ |
23
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diff
changeset
|
708 return typeid(String).getHash(&src); |
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|
709 } |
84 | 710 public alias toHash String_toHash; |
23
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parents:
diff
changeset
|
711 |
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Frank Benoit <benoit@tionex.de>
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|
712 /// Extension to String |
54 | 713 public String trim( CString str ){ |
23
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changeset
|
714 version(Tango){ |
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diff
changeset
|
715 return tango.text.Util.trim( str ).dup; |
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parents:
diff
changeset
|
716 } else { // Phobos |
114 | 717 return std.string.strip( str.idup ); |
23
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
718 } |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
719 } |
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parents:
diff
changeset
|
720 |
aaa0a4e20edf
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parents:
diff
changeset
|
721 /// Extension to String |
54 | 722 public String intern( CString str ){ |
723 return str._idup(); | |
23
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
724 } |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
725 |
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parents:
diff
changeset
|
726 /++ |
25 | 727 + This is like tango.stdc.stringz.toStringz, but in case of an empty input string, |
728 + this function returns a pointer to a null value instead of a null ptr. | |
729 +/ | |
51 | 730 public char* toStringzValidPtr( CString src ){ |
25 | 731 if( src ){ |
732 return src.toStringz(); | |
23
aaa0a4e20edf
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diff
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|
733 } |
25 | 734 else{ |
735 static const char[] nullPtr = "\0"; | |
736 return cast(char*)nullPtr.ptr; | |
737 } | |
738 } | |
23
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diff
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|
739 |
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parents:
diff
changeset
|
740 version(Tango){ |
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parents:
diff
changeset
|
741 public alias tango.stdc.stringz.toStringz toStringz; |
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parents:
diff
changeset
|
742 public alias tango.stdc.stringz.toString16z toString16z; |
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Frank Benoit <benoit@tionex.de>
parents:
diff
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|
743 public alias tango.stdc.stringz.fromStringz fromStringz; |
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Frank Benoit <benoit@tionex.de>
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|
744 public alias tango.stdc.stringz.fromString16z fromString16z; |
aaa0a4e20edf
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diff
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|
745 } else { // Phobos |
50 | 746 public char* toStringz( CString s ){ |
113
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D2 support for the linux port.
Jacob Carlborg <doob@me.com>
parents:
112
diff
changeset
|
747 if (s.ptr) { |
fb3aa8075988
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parents:
112
diff
changeset
|
748 if (s.length == 0) |
fb3aa8075988
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Jacob Carlborg <doob@me.com>
parents:
112
diff
changeset
|
749 return "\0".dup.ptr; |
fb3aa8075988
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Jacob Carlborg <doob@me.com>
parents:
112
diff
changeset
|
750 |
fb3aa8075988
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Jacob Carlborg <doob@me.com>
parents:
112
diff
changeset
|
751 else |
fb3aa8075988
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Jacob Carlborg <doob@me.com>
parents:
112
diff
changeset
|
752 return (s ~ "\0").dup.ptr; |
fb3aa8075988
D2 support for the linux port.
Jacob Carlborg <doob@me.com>
parents:
112
diff
changeset
|
753 } |
fb3aa8075988
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parents:
112
diff
changeset
|
754 |
23
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diff
changeset
|
755 return null; |
aaa0a4e20edf
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parents:
diff
changeset
|
756 } |
50 | 757 public wchar* toString16z( CString16 s ){ |
113
fb3aa8075988
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Jacob Carlborg <doob@me.com>
parents:
112
diff
changeset
|
758 if (s.ptr) { |
fb3aa8075988
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parents:
112
diff
changeset
|
759 if (s.length == 0) |
fb3aa8075988
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Jacob Carlborg <doob@me.com>
parents:
112
diff
changeset
|
760 return "\0"w.dup.ptr; |
fb3aa8075988
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Jacob Carlborg <doob@me.com>
parents:
112
diff
changeset
|
761 |
fb3aa8075988
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Jacob Carlborg <doob@me.com>
parents:
112
diff
changeset
|
762 else |
fb3aa8075988
D2 support for the linux port.
Jacob Carlborg <doob@me.com>
parents:
112
diff
changeset
|
763 return (s ~ "\0"w).dup.ptr; |
fb3aa8075988
D2 support for the linux port.
Jacob Carlborg <doob@me.com>
parents:
112
diff
changeset
|
764 } |
fb3aa8075988
D2 support for the linux port.
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parents:
112
diff
changeset
|
765 |
23
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diff
changeset
|
766 return null; |
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767 } |
50 | 768 public char[] fromStringz( CCharPtr s ){ |
113
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769 size_t len; |
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770 |
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771 if (s) |
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772 while (*s++) |
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773 len++; |
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774 |
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775 return s[0 .. len].dup; |
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776 } |
113
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777 public wchar[] fromString16z( CWCharPtr s ){ |
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778 size_t len; |
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779 |
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780 if (s) |
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781 while (*s++) |
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782 len++; |
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783 |
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784 return s[0 .. len].dup; |
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785 } |
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786 } |
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787 |
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788 static String toHex(uint value, bool prefix = true, int radix = 8){ |
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789 version(Tango){ |
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790 return tango.text.convert.Integer.toString( |
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791 value, |
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792 radix is 10 ? "d" : |
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793 radix is 8 ? "o" : |
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794 radix is 16 ? "x" : |
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795 "d" ); |
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796 } else { // Phobos |
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797 implMissing( __FILE__, __LINE__ ); |
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798 return null; |
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799 } |
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800 } |
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801 |
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802 /++ |
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803 + String in java is implementing the interface CharSequence |
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804 +/ |
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805 class StringCharSequence : CharSequence { |
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806 private String str; |
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807 this( String str ){ |
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808 this.str = str; |
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809 } |
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810 char charAt(int index){ |
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811 return str[index]; |
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812 } |
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813 int length(){ |
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814 return str.length; |
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815 } |
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816 CharSequence subSequence(int start, int end){ |
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817 return new StringCharSequence( str[ start .. end ]); |
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818 } |
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819 String toString(){ |
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820 return str; |
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821 } |
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822 } |
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823 |
84 | 824 class StringCls { |
88
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825 private static Class TYPE_; |
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826 public static Class TYPE(){ |
84 | 827 if( TYPE_ is null ){ |
88
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828 TYPE_ = Class.fromType!(char[]); |
84 | 829 } |
830 return TYPE_; | |
831 } | |
832 | |
833 } | |
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834 |
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835 |