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0
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1
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2 /* Digital Mars DMDScript source code.
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3 * Copyright (c) 2000-2002 by Chromium Communications
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4 * D version Copyright (c) 2004-2006 by Digital Mars
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5 * All Rights Reserved
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6 * written by Walter Bright
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7 * www.digitalmars.com
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8 * Use at your own risk. There is no warranty, express or implied.
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9 * License for redistribution is by the GNU General Public License in gpl.txt.
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10 *
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11 * A binary, non-exclusive license for commercial use can be
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12 * purchased from www.digitalmars.com/dscript/buy.html.
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13 *
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14 * DMDScript is implemented in the D Programming Language,
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15 * www.digitalmars.com/d/
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16 *
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17 * For a C++ implementation of DMDScript, including COM support,
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18 * see www.digitalmars.com/dscript/cppscript.html.
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19 */
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20
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21
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22 module dmdscript.dstring;
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23
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24 import std.regexp;
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25 import std.utf;
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26 import std.c.stdlib;
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27 import std.c.string;
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28
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29 import dmdscript.script;
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30 import dmdscript.dobject;
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31 import dmdscript.dregexp;
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32 import dmdscript.darray;
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33 import dmdscript.value;
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34 import dmdscript.threadcontext;
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35 import dmdscript.dfunction;
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36 import dmdscript.text;
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37 import dmdscript.property;
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38 import dmdscript.errmsgs;
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39 import dmdscript.dnative;
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40
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41 //alias script.tchar tchar;
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42
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43 /* ===================== Dstring_fromCharCode ==================== */
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44
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45 void* Dstring_fromCharCode(Dobject pthis, CallContext *cc, Dobject othis, Value *ret, Value[] arglist)
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46 {
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47 // ECMA 15.5.3.2
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48 d_string s;
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49
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50 for (size_t i = 0; i < arglist.length; i++)
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51 { Value* v;
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52 uint u;
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53
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54 v = &arglist[i];
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55 u = v.toUint16();
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56 //writefln("string.fromCharCode(%x)", u);
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57 if (!std.utf.isValidDchar(u))
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58 {
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59 ErrInfo errinfo;
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60
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61 ret.putVundefined();
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62 return pthis.RuntimeError(&errinfo,
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63 errmsgtbl[ERR_NOT_VALID_UTF],
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64 "String", "fromCharCode()",
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65 u);
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66 }
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67 std.utf.encode(s, u);
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68 //writefln("s[0] = %x, s = '%s'", s[0], s);
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69 }
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70 ret.putVstring(s);
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71 return null;
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72 }
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73
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74 /* ===================== Dstring_constructor ==================== */
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75
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76 class Dstring_constructor : Dfunction
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77 {
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78 this(ThreadContext *tc)
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79 {
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80 super(1, tc.Dfunction_prototype);
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81 name = "String";
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82
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83 static NativeFunctionData nfd[] =
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84 [
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85 { &TEXT_fromCharCode, &Dstring_fromCharCode, 1 },
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86 ];
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87
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88 DnativeFunction.init(this, nfd, 0);
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89 }
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90
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91 void *Construct(CallContext *cc, Value *ret, Value[] arglist)
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92 {
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93 // ECMA 15.5.2
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94 d_string s;
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95 Dobject o;
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96
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97 s = (arglist.length) ? arglist[0].toString() : TEXT_;
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98 o = new Dstring(s);
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99 ret.putVobject(o);
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100 return null;
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101 }
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102
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103 void *Call(CallContext *cc, Dobject othis, Value* ret, Value[] arglist)
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104 {
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105 // ECMA 15.5.1
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106 d_string s;
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107
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108 s = (arglist.length) ? arglist[0].toString() : TEXT_;
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109 ret.putVstring(s);
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110 return null;
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111 }
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112 }
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113
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114
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115 /* ===================== Dstring_prototype_toString =============== */
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116
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117 void* Dstring_prototype_toString(Dobject pthis, CallContext *cc, Dobject othis, Value *ret, Value[] arglist)
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118 {
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119 //writef("Dstring.prototype.toString()\n");
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120 // othis must be a String
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121 if (!othis.isClass(TEXT_String))
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122 {
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123 ErrInfo errinfo;
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124
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125 ret.putVundefined();
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126 return pthis.RuntimeError(&errinfo,
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127 errmsgtbl[ERR_FUNCTION_WANTS_STRING],
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128 TEXT_toString,
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129 othis.classname);
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130 }
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131 else
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132 { Value *v;
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133
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134 v = &(cast(Dstring)othis).value;
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135 Value.copy(ret, v);
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136 }
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137 return null;
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138 }
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139
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140 /* ===================== Dstring_prototype_valueOf =============== */
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141
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142 void* Dstring_prototype_valueOf(Dobject pthis, CallContext *cc, Dobject othis, Value *ret, Value[] arglist)
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143 {
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144 // Does same thing as String.prototype.toString()
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145
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146 //writef("string.prototype.valueOf()\n");
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147 // othis must be a String
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148 if (!othis.isClass(TEXT_String))
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149 {
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150 ErrInfo errinfo;
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151
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152 ret.putVundefined();
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153 return pthis.RuntimeError(&errinfo,
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154 errmsgtbl[ERR_FUNCTION_WANTS_STRING],
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155 TEXT_valueOf,
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156 othis.classname);
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157 }
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158 else
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159 { Value *v;
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160
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161 v = &(cast(Dstring)othis).value;
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162 Value.copy(ret, v);
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163 }
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164 return null;
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165 }
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166
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167 /* ===================== Dstring_prototype_charAt =============== */
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168
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169 void* Dstring_prototype_charAt(Dobject pthis, CallContext *cc, Dobject othis, Value *ret, Value[] arglist)
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170 {
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171 // ECMA 15.5.4.4
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172
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173 Value *v;
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174 int pos; // ECMA says pos should be a d_number,
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175 // but int should behave the same
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176 d_string s;
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177 d_string result;
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178
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179 v = &othis.value;
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180 s = v.toString();
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181 v = arglist.length ? &arglist[0] : &vundefined;
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182 pos = cast(int) v.toInteger();
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183
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184 result = TEXT_;
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185
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186 if (pos >= 0)
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187 { size_t idx;
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188
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189 while (1)
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190 {
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191 if (idx == s.length)
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192 break;
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193 if (pos == 0)
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194 {
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195 result = s[idx .. idx + std.utf.stride(s, idx)];
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196 break;
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197 }
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198 idx += std.utf.stride(s, idx);
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199 pos--;
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200 }
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201 }
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202
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203 ret.putVstring(result);
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204 return null;
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205 }
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206
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207 /* ===================== Dstring_prototype_charCodeAt ============= */
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208
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209 void* Dstring_prototype_charCodeAt(Dobject pthis, CallContext *cc, Dobject othis, Value *ret, Value[] arglist)
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210 {
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211 // ECMA 15.5.4.5
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212
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213 Value *v;
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214 int pos; // ECMA says pos should be a d_number,
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215 // but int should behave the same
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216 d_string s;
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217 uint len;
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218 d_number result;
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219
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220 v = &othis.value;
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221 s = v.toString();
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222 v = arglist.length ? &arglist[0] : &vundefined;
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223 pos = cast(int) v.toInteger();
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224
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225 result = d_number.nan;
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226
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227 if (pos >= 0)
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228 { size_t idx;
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229
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230 while (1)
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231 {
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232 assert(idx <= s.length);
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233 if (idx == s.length)
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234 break;
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235 if (pos == 0)
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236 {
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237 result = std.utf.decode(s, idx);
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238 break;
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239 }
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240 idx += std.utf.stride(s, idx);
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241 pos--;
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242 }
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243 }
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244
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245 ret.putVnumber(result);
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246 return null;
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247 }
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248
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249 /* ===================== Dstring_prototype_concat ============= */
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250
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251 void* Dstring_prototype_concat(Dobject pthis, CallContext *cc, Dobject othis, Value *ret, Value[] arglist)
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252 {
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253 // ECMA v3 15.5.4.6
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254 d_string s;
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255
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256 //writefln("Dstring.prototype.concat()");
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257
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258 s = othis.value.toString();
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259 for (size_t a = 0; a < arglist.length; a++)
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260 s ~= arglist[a].toString();
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261
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262 ret.putVstring(s);
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263 return null;
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264 }
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265
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266 /* ===================== Dstring_prototype_indexOf ============= */
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267
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268 void* Dstring_prototype_indexOf(Dobject pthis, CallContext *cc, Dobject othis, Value *ret, Value[] arglist)
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269 {
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270 // ECMA 15.5.4.6
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271 // String.prototype.indexOf(searchString, position)
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272
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273 Value* v1;
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274 Value* v2;
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275 int pos; // ECMA says pos should be a d_number,
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276 // but I can't find a reason.
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277 d_string s;
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278 size_t sUCSdim;
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279
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280 d_string searchString;
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281 int k;
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282
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283 Value xx;
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284 xx.putVobject(othis);
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285 s = xx.toString();
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286 sUCSdim = std.utf.toUCSindex(s, s.length);
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287
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288 v1 = arglist.length ? &arglist[0] : &vundefined;
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289 v2 = (arglist.length >= 2) ? &arglist[1] : &vundefined;
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290
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291 searchString = v1.toString();
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292 pos = cast(int) v2.toInteger();
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293
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294 if (pos < 0)
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295 pos = 0;
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296 else if (pos > sUCSdim)
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297 pos = sUCSdim;
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298
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299 if (searchString.length == 0)
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300 k = pos;
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301 else
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302 { pos = std.utf.toUTFindex(s, pos);
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303 k = std.string.find(s[pos .. length], searchString);
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304 if (k != -1)
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305 k = std.utf.toUCSindex(s, pos + k);
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306 }
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307
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308 ret.putVnumber(k);
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309 return null;
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310 }
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311
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312 /* ===================== Dstring_prototype_lastIndexOf ============= */
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313
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314 void* Dstring_prototype_lastIndexOf(Dobject pthis, CallContext *cc, Dobject othis, Value *ret, Value[] arglist)
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315 {
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316 // ECMA v3 15.5.4.8
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317 // String.prototype.lastIndexOf(searchString, position)
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318
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319 Value *v1;
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320 int pos; // ECMA says pos should be a d_number,
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321 // but I can't find a reason.
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322 d_string s;
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323 size_t sUCSdim;
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324 d_string searchString;
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325 int k;
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326
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327 version (all)
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328 {
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329 {
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330 // This is the 'transferable' version
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331 Value *v;
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332 void *a;
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333 v = othis.Get(TEXT_toString);
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334 a = v.Call(cc, othis, ret, null);
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335 if (a) // if exception was thrown
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336 return a;
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337 s = ret.toString();
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338 }
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339 }
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340 else
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341 {
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342 // the 'builtin' version
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343 s = othis.value.toString();
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344 }
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345 sUCSdim = std.utf.toUCSindex(s, s.length);
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346
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347 v1 = arglist.length ? &arglist[0] : &vundefined;
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348 searchString = v1.toString();
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349 if (arglist.length >= 2)
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350 { d_number n;
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351 Value *v = &arglist[1];
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352
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353 n = v.toNumber();
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354 if (std.math.isnan(n) || n > sUCSdim)
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355 pos = sUCSdim;
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356 else if (n < 0)
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357 pos = 0;
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358 else
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359 pos = cast(int) n;
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360 }
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361 else
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362 pos = sUCSdim;
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363
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364 //writef("len = %d, p = '%ls'\n", len, p);
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365 //writef("pos = %d, sslen = %d, ssptr = '%ls'\n", pos, sslen, ssptr);
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366 //writefln("s = '%s', pos = %s, searchString = '%s'", s, pos, searchString);
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367
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368 if (searchString.length == 0)
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369 k = pos;
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370 else
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371 {
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372 pos = std.utf.toUTFindex(s, pos);
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373 pos += searchString.length;
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374 if (pos > s.length)
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375 pos = s.length;
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376 k = std.string.rfind(s[0 .. pos], searchString);
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377 //writefln("s = '%s', pos = %s, searchString = '%s', k = %d", s, pos, searchString, k);
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378 if (k != -1)
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379 k = std.utf.toUCSindex(s, k);
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380 }
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381 ret.putVnumber(k);
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382 return null;
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383 }
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384
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385 /* ===================== Dstring_prototype_localeCompare ============= */
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386
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387 void* Dstring_prototype_localeCompare(Dobject pthis, CallContext *cc, Dobject othis, Value *ret, Value[] arglist)
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388 {
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389 // ECMA v3 15.5.4.9
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390 d_string s1;
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391 d_string s2;
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392 d_number n;
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393 Value *v;
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394
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395 v = &othis.value;
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396 s1 = v.toString();
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397 s2 = arglist.length ? arglist[0].toString() : vundefined.toString();
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398 n = localeCompare(cc, s1, s2);
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399 ret.putVnumber(n);
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400 return null;
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401 }
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402
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403 /* ===================== Dstring_prototype_match ============= */
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404
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405 void* Dstring_prototype_match(Dobject pthis, CallContext *cc, Dobject othis, Value *ret, Value[] arglist)
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406 {
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407 // ECMA v3 15.5.4.10
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408 Dregexp r;
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409 Dobject o;
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410
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411 if (arglist.length && !arglist[0].isPrimitive() &&
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412 (o = arglist[0].toObject()).isDregexp())
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413 {
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414 ;
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415 }
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416 else
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417 {
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418 Value regret;
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419
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420 regret.putVobject(null);
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421 Dregexp.getConstructor().Construct(cc, ®ret, arglist);
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422 o = regret.object;
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423 }
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424
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425 r = cast(Dregexp)o;
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426 if (r.global.dbool)
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427 {
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428 Darray a = new Darray;
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429 d_int32 n;
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430 d_int32 i;
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431 d_int32 lasti;
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432
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433 i = 0;
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434 lasti = 0;
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435 for (n = 0; ; n++)
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436 {
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437 r.lastIndex.putVnumber(i);
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|
|
438 Dregexp.exec(r, ret, (&othis.value)[0 .. 1], EXEC_STRING);
|
|
|
439 if (!ret.string) // if match failed
|
|
|
440 {
|
|
|
441 r.lastIndex.putVnumber(i);
|
|
|
442 break;
|
|
|
443 }
|
|
|
444 lasti = i;
|
|
|
445 i = cast(d_int32) r.lastIndex.toInt32();
|
|
|
446 if (i == lasti) // if no source was consumed
|
|
|
447 i++; // consume a character
|
|
|
448
|
|
|
449 a.Put(n, ret, 0); // a[n] = ret;
|
|
|
450 }
|
|
|
451 ret.putVobject(a);
|
|
|
452 }
|
|
|
453 else
|
|
|
454 {
|
|
|
455 Dregexp.exec(r, ret, (&othis.value)[0 .. 1], EXEC_ARRAY);
|
|
|
456 }
|
|
|
457 return null;
|
|
|
458 }
|
|
|
459
|
|
|
460 /* ===================== Dstring_prototype_replace ============= */
|
|
|
461
|
|
|
462 void* Dstring_prototype_replace(Dobject pthis, CallContext *cc, Dobject othis, Value *ret, Value[] arglist)
|
|
|
463 {
|
|
|
464 // ECMA v3 15.5.4.11
|
|
|
465 // String.prototype.replace(searchValue, replaceValue)
|
|
|
466
|
|
|
467 d_string string;
|
|
|
468 d_string searchString;
|
|
|
469 d_string newstring;
|
|
|
470 Value *searchValue;
|
|
|
471 Value *replaceValue;
|
|
|
472 Dregexp r;
|
|
|
473 RegExp re;
|
|
|
474 tchar[] replacement;
|
|
|
475 d_string result;
|
|
|
476 int m;
|
|
|
477 int i;
|
|
|
478 int lasti;
|
|
|
479 std.regexp.regmatch_t[1] pmatch;
|
|
|
480 Dfunction f;
|
|
|
481 Value* v;
|
|
|
482
|
|
|
483 v = &othis.value;
|
|
|
484 string = v.toString();
|
|
|
485 searchValue = (arglist.length >= 1) ? &arglist[0] : &vundefined;
|
|
|
486 replaceValue = (arglist.length >= 2) ? &arglist[1] : &vundefined;
|
|
|
487 r = Dregexp.isRegExp(searchValue);
|
|
|
488 f = Dfunction.isFunction(replaceValue);
|
|
|
489 if (r)
|
|
|
490 { int offset = 0;
|
|
|
491
|
|
|
492 re = r.re;
|
|
|
493 i = 0;
|
|
|
494 result = string;
|
|
|
495
|
|
|
496 r.lastIndex.putVnumber(0);
|
|
|
497 for (;;)
|
|
|
498 {
|
|
|
499 Dregexp.exec(r, ret, (&othis.value)[0 .. 1], EXEC_STRING);
|
|
|
500 if (!ret.string) // if match failed
|
|
|
501 break;
|
|
|
502
|
|
|
503 m = re.re_nsub;
|
|
|
504 if (f)
|
|
|
505 {
|
|
|
506 Value* alist;
|
|
|
507
|
|
|
508 alist = cast(Value *)alloca((m + 3) * Value.sizeof);
|
|
|
509 assert(alist);
|
|
|
510 alist[0].putVstring(ret.string);
|
|
|
511 for (i = 0; i < m; i++)
|
|
|
512 {
|
|
|
513 alist[1 + i].putVstring(
|
|
|
514 string[re.pmatch[1 + i].rm_so .. re.pmatch[1 + i].rm_eo]);
|
|
|
515 }
|
|
|
516 alist[m + 1].putVnumber(re.pmatch[0].rm_so);
|
|
|
517 alist[m + 2].putVstring(string);
|
|
|
518 f.Call(cc, f, ret, alist[0 .. m + 3]);
|
|
|
519 replacement = ret.toString();
|
|
|
520 }
|
|
|
521 else
|
|
|
522 {
|
|
|
523 newstring = replaceValue.toString();
|
|
|
524 replacement = re.replace(newstring);
|
|
|
525 }
|
|
|
526 int starti = re.pmatch[0].rm_so + offset;
|
|
|
527 int endi = re.pmatch[0].rm_eo + offset;
|
|
|
528 result = string[0 .. starti] ~
|
|
|
529 replacement ~
|
|
|
530 string[endi .. length];
|
|
|
531
|
|
|
532 if (re.attributes & RegExp.REA.global)
|
|
|
533 {
|
|
|
534 offset += replacement.length - (endi - starti);
|
|
|
535
|
|
|
536 // If no source was consumed, consume a character
|
|
|
537 lasti = i;
|
|
|
538 i = cast(d_int32) r.lastIndex.toInt32();
|
|
|
539 if (i == lasti)
|
|
|
540 { i++;
|
|
|
541 r.lastIndex.putVnumber(i);
|
|
|
542 }
|
|
|
543 }
|
|
|
544 else
|
|
|
545 break;
|
|
|
546 }
|
|
|
547 }
|
|
|
548 else
|
|
|
549 { int match;
|
|
|
550
|
|
|
551 searchString = searchValue.toString();
|
|
|
552 match = std.string.find(string, searchString);
|
|
|
553 if (match >= 0)
|
|
|
554 {
|
|
|
555 pmatch[0].rm_so = match;
|
|
|
556 pmatch[0].rm_eo = match + searchString.length;
|
|
|
557 if (f)
|
|
|
558 {
|
|
|
559 Value[3] alist;
|
|
|
560
|
|
|
561 alist[0].putVstring(searchString);
|
|
|
562 alist[1].putVnumber(pmatch[0].rm_so);
|
|
|
563 alist[2].putVstring(string);
|
|
|
564 f.Call(cc, f, ret, alist);
|
|
|
565 replacement = ret.toString();
|
|
|
566 }
|
|
|
567 else
|
|
|
568 {
|
|
|
569 newstring = replaceValue.toString();
|
|
|
570 replacement = RegExp.replace3(newstring, string, pmatch);
|
|
|
571 }
|
|
|
572 result = string[0 .. match] ~
|
|
|
573 replacement ~
|
|
|
574 string[match + searchString.length .. length];
|
|
|
575 }
|
|
|
576 else
|
|
|
577 {
|
|
|
578 result = string;
|
|
|
579 }
|
|
|
580 }
|
|
|
581
|
|
|
582 ret.putVstring(result);
|
|
|
583 return null;
|
|
|
584 }
|
|
|
585
|
|
|
586 /* ===================== Dstring_prototype_search ============= */
|
|
|
587
|
|
|
588 void* Dstring_prototype_search(Dobject pthis, CallContext *cc, Dobject othis, Value *ret, Value[] arglist)
|
|
|
589 {
|
|
|
590 // ECMA v3 15.5.4.12
|
|
|
591 Dregexp r;
|
|
|
592 Dobject o;
|
|
|
593
|
|
|
594 //writef("String.prototype.search()\n");
|
|
|
595 if (arglist.length && !arglist[0].isPrimitive() &&
|
|
|
596 (o = arglist[0].toObject()).isDregexp())
|
|
|
597 {
|
|
|
598 ;
|
|
|
599 }
|
|
|
600 else
|
|
|
601 { Value regret;
|
|
|
602
|
|
|
603 regret.putVobject(null);
|
|
|
604 Dregexp.getConstructor().Construct(cc, ®ret, arglist);
|
|
|
605 o = regret.object;
|
|
|
606 }
|
|
|
607
|
|
|
608 r = cast(Dregexp)o;
|
|
|
609 Dregexp.exec(r, ret, (&othis.value)[0 .. 1], EXEC_INDEX);
|
|
|
610 return null;
|
|
|
611 }
|
|
|
612
|
|
|
613 /* ===================== Dstring_prototype_slice ============= */
|
|
|
614
|
|
|
615 void* Dstring_prototype_slice(Dobject pthis, CallContext *cc, Dobject othis, Value *ret, Value[] arglist)
|
|
|
616 {
|
|
|
617 // ECMA v3 15.5.4.13
|
|
|
618 d_int32 start;
|
|
|
619 d_int32 end;
|
|
|
620 d_int32 sUCSdim;
|
|
|
621 d_string s;
|
|
|
622 d_string r;
|
|
|
623 Value *v;
|
|
|
624
|
|
|
625 v = &othis.value;
|
|
|
626 s = v.toString();
|
|
|
627 sUCSdim = std.utf.toUCSindex(s, s.length);
|
|
|
628 switch (arglist.length)
|
|
|
629 {
|
|
|
630 case 0:
|
|
|
631 start = 0;
|
|
|
632 end = sUCSdim;
|
|
|
633 break;
|
|
|
634
|
|
|
635 case 1:
|
|
|
636 start = arglist[0].toInt32();
|
|
|
637 end = sUCSdim;
|
|
|
638 break;
|
|
|
639
|
|
|
640 default:
|
|
|
641 start = arglist[0].toInt32();
|
|
|
642 end = arglist[1].toInt32();
|
|
|
643 break;
|
|
|
644 }
|
|
|
645
|
|
|
646 if (start < 0)
|
|
|
647 {
|
|
|
648 start += sUCSdim;
|
|
|
649 if (start < 0)
|
|
|
650 start = 0;
|
|
|
651 }
|
|
|
652 else if (start >= sUCSdim)
|
|
|
653 start = sUCSdim;
|
|
|
654
|
|
|
655 if (end < 0)
|
|
|
656 {
|
|
|
657 end += sUCSdim;
|
|
|
658 if (end < 0)
|
|
|
659 end = 0;
|
|
|
660 }
|
|
|
661 else if (end >= sUCSdim)
|
|
|
662 end = sUCSdim;
|
|
|
663
|
|
|
664 if (start > end)
|
|
|
665 end = start;
|
|
|
666
|
|
|
667 start = toUTFindex(s, start);
|
|
|
668 end = toUTFindex(s, end);
|
|
|
669 r = s[start .. end];
|
|
|
670
|
|
|
671 ret.putVstring(r);
|
|
|
672 return null;
|
|
|
673 }
|
|
|
674
|
|
|
675
|
|
|
676 /* ===================== Dstring_prototype_split ============= */
|
|
|
677
|
|
|
678 void* Dstring_prototype_split(Dobject pthis, CallContext *cc, Dobject othis, Value *ret, Value[] arglist)
|
|
|
679 {
|
|
|
680 // ECMA v3 15.5.4.14
|
|
|
681 // String.prototype.split(separator, limit)
|
|
|
682 d_uint32 lim;
|
|
|
683 d_uint32 p;
|
|
|
684 d_uint32 q;
|
|
|
685 d_uint32 e;
|
|
|
686 Value* separator = &vundefined;
|
|
|
687 Value* limit = &vundefined;
|
|
|
688 Dregexp R;
|
|
|
689 RegExp re;
|
|
|
690 d_string rs;
|
|
|
691 d_string T;
|
|
|
692 d_string S;
|
|
|
693 Darray A;
|
|
|
694 int str;
|
|
|
695
|
|
|
696 //writefln("Dstring_prototype_split()");
|
|
|
697 switch (arglist.length)
|
|
|
698 {
|
|
|
699 default:
|
|
|
700 limit = &arglist[1];
|
|
|
701 case 1:
|
|
|
702 separator = &arglist[0];
|
|
|
703 case 0:
|
|
|
704 break;
|
|
|
705 }
|
|
|
706
|
|
|
707 Value *v;
|
|
|
708 v = &othis.value;
|
|
|
709 S = v.toString();
|
|
|
710 A = new Darray;
|
|
|
711 if (limit.isUndefined())
|
|
|
712 lim = ~0u;
|
|
|
713 else
|
|
|
714 lim = limit.toUint32();
|
|
|
715 p = 0;
|
|
|
716 R = Dregexp.isRegExp(separator);
|
|
|
717 if (R) // regular expression
|
|
|
718 { re = R.re;
|
|
|
719 assert(re);
|
|
|
720 rs = null;
|
|
|
721 str = 0;
|
|
|
722 }
|
|
|
723 else // string
|
|
|
724 { re = null;
|
|
|
725 rs = separator.toString();
|
|
|
726 str = 1;
|
|
|
727 }
|
|
|
728 if (lim == 0)
|
|
|
729 goto Lret;
|
|
|
730
|
|
|
731 // ECMA v3 15.5.4.14 is specific: "If separator is undefined, then the
|
|
|
732 // result array contains just one string, which is the this value
|
|
|
733 // (converted to a string)." However, neither Javascript nor Jscript
|
|
|
734 // do that, they regard an undefined as being the string "undefined".
|
|
|
735 // We match Javascript/Jscript behavior here, not ECMA.
|
|
|
736
|
|
|
737 // Uncomment for ECMA compatibility
|
|
|
738 //if (!separator.isUndefined())
|
|
|
739 {
|
|
|
740 //writefln("test1 S = '%s', rs = '%s'", S, rs);
|
|
|
741 if (S.length)
|
|
|
742 {
|
|
|
743 L10:
|
|
|
744 for (q = p; q != S.length; q++)
|
|
|
745 {
|
|
|
746 if (str) // string
|
|
|
747 {
|
|
|
748 if (q + rs.length <= S.length && !memcmp(S.ptr + q, rs.ptr, rs.length * tchar.sizeof))
|
|
|
749 {
|
|
|
750 e = q + rs.length;
|
|
|
751 if (e != p)
|
|
|
752 {
|
|
|
753 T = S[p .. q];
|
|
|
754 A.Put(cast(uint) A.length.number, T, 0);
|
|
|
755 if (A.length.number == lim)
|
|
|
756 goto Lret;
|
|
|
757 p = e;
|
|
|
758 goto L10;
|
|
|
759 }
|
|
|
760 }
|
|
|
761 }
|
|
|
762 else // regular expression
|
|
|
763 {
|
|
|
764 if (re.test(S, q))
|
|
|
765 { q = re.pmatch[0].rm_so;
|
|
|
766 e = re.pmatch[0].rm_eo;
|
|
|
767 if (e != p)
|
|
|
768 {
|
|
|
769 T = S[p .. q];
|
|
|
770 //writefln("S = '%s', T = '%s', p = %d, q = %d, e = %d\n", S, T, p, q, e);
|
|
|
771 A.Put(cast(uint) A.length.number, T, 0);
|
|
|
772 if (A.length.number == lim)
|
|
|
773 goto Lret;
|
|
|
774 p = e;
|
|
|
775 for (uint i = 0; i < re.re_nsub; i++)
|
|
|
776 {
|
|
|
777 int so = re.pmatch[1 + i].rm_so;
|
|
|
778 int eo = re.pmatch[1 + i].rm_eo;
|
|
|
779
|
|
|
780 //writefln("i = %d, nsub = %s, so = %s, eo = %s, S.length = %s", i, re.re_nsub, so, eo, S.length);
|
|
|
781 if (so != -1 && eo != -1)
|
|
|
782 T = S[so .. eo];
|
|
|
783 else
|
|
|
784 T = null;
|
|
|
785 A.Put(cast(uint) A.length.number, T, 0);
|
|
|
786 if (A.length.number == lim)
|
|
|
787 goto Lret;
|
|
|
788 }
|
|
|
789 goto L10;
|
|
|
790 }
|
|
|
791 }
|
|
|
792 }
|
|
|
793 }
|
|
|
794 T = S[p .. S.length];
|
|
|
795 A.Put(cast(uint) A.length.number, T, 0);
|
|
|
796 goto Lret;
|
|
|
797 }
|
|
|
798 if (str) // string
|
|
|
799 {
|
|
|
800 if (rs.length <= S.length && S[0 .. rs.length] == rs[])
|
|
|
801 goto Lret;
|
|
|
802 }
|
|
|
803 else // regular expression
|
|
|
804 {
|
|
|
805 if (re.test(S, 0))
|
|
|
806 goto Lret;
|
|
|
807 }
|
|
|
808 }
|
|
|
809
|
|
|
810 A.Put(0u, S, 0);
|
|
|
811 Lret:
|
|
|
812 ret.putVobject(A);
|
|
|
813 return null;
|
|
|
814 }
|
|
|
815
|
|
|
816
|
|
|
817 /* ===================== Dstring_prototype_substr ============= */
|
|
|
818
|
|
|
819 void *dstring_substring(d_string s, size_t sUCSdim, d_number start, d_number end, Value *ret)
|
|
|
820 {
|
|
|
821 d_string sb;
|
|
|
822 d_int32 sb_len;
|
|
|
823
|
|
|
824 if (std.math.isnan(start))
|
|
|
825 start = 0;
|
|
|
826 else if (start > sUCSdim)
|
|
|
827 start = sUCSdim;
|
|
|
828 else if (start < 0)
|
|
|
829 start = 0;
|
|
|
830
|
|
|
831 if (std.math.isnan(end))
|
|
|
832 end = 0;
|
|
|
833 else if (end > sUCSdim)
|
|
|
834 end = sUCSdim;
|
|
|
835 else if (end < 0)
|
|
|
836 end = 0;
|
|
|
837
|
|
|
838 if (end < start) // swap
|
|
|
839 { d_number t;
|
|
|
840
|
|
|
841 t = start;
|
|
|
842 start = end;
|
|
|
843 end = t;
|
|
|
844 }
|
|
|
845
|
|
|
846 size_t st = std.utf.toUTFindex(s, cast(size_t)start);
|
|
|
847 size_t en = std.utf.toUTFindex(s, cast(size_t)end);
|
|
|
848 sb = s[st .. en];
|
|
|
849
|
|
|
850 ret.putVstring(sb);
|
|
|
851 return null;
|
|
|
852 }
|
|
|
853
|
|
|
854 void* Dstring_prototype_substr(Dobject pthis, CallContext *cc, Dobject othis, Value *ret, Value[] arglist)
|
|
|
855 {
|
|
|
856 // Javascript: TDG pg. 689
|
|
|
857 // String.prototype.substr(start, length)
|
|
|
858 d_number start;
|
|
|
859 d_number length;
|
|
|
860 d_string s;
|
|
|
861
|
|
|
862 s = othis.value.toString();
|
|
|
863 size_t sUCSdim = std.utf.toUCSindex(s, s.length);
|
|
|
864 start = 0;
|
|
|
865 length = 0;
|
|
|
866 if (arglist.length >= 1)
|
|
|
867 {
|
|
|
868 start = arglist[0].toInteger();
|
|
|
869 if (start < 0)
|
|
|
870 start = sUCSdim + start;
|
|
|
871 if (arglist.length >= 2)
|
|
|
872 {
|
|
|
873 length = arglist[1].toInteger();
|
|
|
874 if (std.math.isnan(length) || length < 0)
|
|
|
875 length = 0;
|
|
|
876 }
|
|
|
877 else
|
|
|
878 length = sUCSdim - start;
|
|
|
879 }
|
|
|
880
|
|
|
881 return dstring_substring(s, sUCSdim, start, start + length, ret);
|
|
|
882 }
|
|
|
883
|
|
|
884 /* ===================== Dstring_prototype_substring ============= */
|
|
|
885
|
|
|
886 void* Dstring_prototype_substring(Dobject pthis, CallContext *cc, Dobject othis, Value *ret, Value[] arglist)
|
|
|
887 {
|
|
|
888 // ECMA 15.5.4.9
|
|
|
889 // String.prototype.substring(start)
|
|
|
890 // String.prototype.substring(start, end)
|
|
|
891 d_number start;
|
|
|
892 d_number end;
|
|
|
893 d_string s;
|
|
|
894
|
|
|
895 //writefln("String.prototype.substring()");
|
|
|
896 s = othis.value.toString();
|
|
|
897 size_t sUCSdim = std.utf.toUCSindex(s, s.length);
|
|
|
898 start = 0;
|
|
|
899 end = sUCSdim;
|
|
|
900 if (arglist.length >= 1)
|
|
|
901 {
|
|
|
902 start = arglist[0].toInteger();
|
|
|
903 if (arglist.length >= 2)
|
|
|
904 end = arglist[1].toInteger();
|
|
|
905 //writef("s = '%ls', start = %d, end = %d\n", s, start, end);
|
|
|
906 }
|
|
|
907
|
|
|
908 void* p = dstring_substring(s, sUCSdim, start, end, ret);
|
|
|
909 return p;
|
|
|
910 }
|
|
|
911
|
|
|
912 /* ===================== Dstring_prototype_toLowerCase ============= */
|
|
|
913
|
|
|
914 enum CASE
|
|
|
915 {
|
|
|
916 Lower,
|
|
|
917 Upper,
|
|
|
918 LocaleLower,
|
|
|
919 LocaleUpper
|
|
|
920 };
|
|
|
921
|
|
|
922 void *tocase(Dobject othis, Value *ret, CASE caseflag)
|
|
|
923 {
|
|
|
924 d_string s;
|
|
|
925
|
|
|
926 s = othis.value.toString();
|
|
|
927 switch (caseflag)
|
|
|
928 {
|
|
|
929 case CASE.Lower:
|
|
|
930 s = std.string.tolower(s);
|
|
|
931 break;
|
|
|
932 case CASE.Upper:
|
|
|
933 s = std.string.toupper(s);
|
|
|
934 break;
|
|
|
935 case CASE.LocaleLower:
|
|
|
936 s = std.string.tolower(s);
|
|
|
937 break;
|
|
|
938 case CASE.LocaleUpper:
|
|
|
939 s = std.string.toupper(s);
|
|
|
940 break;
|
|
|
941 default:
|
|
|
942 assert(0);
|
|
|
943 }
|
|
|
944
|
|
|
945 ret.putVstring(s);
|
|
|
946 return null;
|
|
|
947 }
|
|
|
948
|
|
|
949 void* Dstring_prototype_toLowerCase(Dobject pthis, CallContext *cc, Dobject othis, Value *ret, Value[] arglist)
|
|
|
950 {
|
|
|
951 // ECMA 15.5.4.11
|
|
|
952 // String.prototype.toLowerCase()
|
|
|
953
|
|
|
954 //writef("Dstring_prototype_toLowerCase()\n");
|
|
|
955 return tocase(othis, ret, CASE.Lower);
|
|
|
956 }
|
|
|
957
|
|
|
958 /* ===================== Dstring_prototype_toLocaleLowerCase ============= */
|
|
|
959
|
|
|
960 void* Dstring_prototype_toLocaleLowerCase(Dobject pthis, CallContext *cc, Dobject othis, Value *ret, Value[] arglist)
|
|
|
961 {
|
|
|
962 // ECMA v3 15.5.4.17
|
|
|
963
|
|
|
964 //writef("Dstring_prototype_toLocaleLowerCase()\n");
|
|
|
965 return tocase(othis, ret, CASE.LocaleLower);
|
|
|
966 }
|
|
|
967
|
|
|
968 /* ===================== Dstring_prototype_toUpperCase ============= */
|
|
|
969
|
|
|
970 void* Dstring_prototype_toUpperCase(Dobject pthis, CallContext *cc, Dobject othis, Value *ret, Value[] arglist)
|
|
|
971 {
|
|
|
972 // ECMA 15.5.4.12
|
|
|
973 // String.prototype.toUpperCase()
|
|
|
974
|
|
|
975 return tocase(othis, ret, CASE.Upper);
|
|
|
976 }
|
|
|
977
|
|
|
978 /* ===================== Dstring_prototype_toLocaleUpperCase ============= */
|
|
|
979
|
|
|
980 void* Dstring_prototype_toLocaleUpperCase(Dobject pthis, CallContext *cc, Dobject othis, Value *ret, Value[] arglist)
|
|
|
981 {
|
|
|
982 // ECMA v3 15.5.4.18
|
|
|
983
|
|
|
984 return tocase(othis, ret, CASE.LocaleUpper);
|
|
|
985 }
|
|
|
986
|
|
|
987 /* ===================== Dstring_prototype_anchor ============= */
|
|
|
988
|
|
|
989 void *dstring_anchor(Dobject othis, Value* ret, tchar[] tag, tchar[] name, Value[] arglist)
|
|
|
990 {
|
|
|
991 // For example:
|
|
|
992 // "foo".anchor("bar")
|
|
|
993 // produces:
|
|
|
994 // <tag name="bar">foo</tag>
|
|
|
995
|
|
|
996 d_string foo = othis.value.toString();
|
|
|
997 Value* va = arglist.length ? &arglist[0] : &vundefined;
|
|
|
998 d_string bar = va.toString();
|
|
|
999
|
|
|
1000 d_string s;
|
|
|
1001
|
|
|
1002 s = "<" ~
|
|
|
1003 tag ~
|
|
|
1004 " " ~
|
|
|
1005 name ~
|
|
|
1006 "=\"" ~
|
|
|
1007 bar ~
|
|
|
1008 "\">" ~
|
|
|
1009 foo ~
|
|
|
1010 "</" ~
|
|
|
1011 tag ~
|
|
|
1012 ">";
|
|
|
1013
|
|
|
1014 ret.putVstring(s);
|
|
|
1015 return null;
|
|
|
1016 }
|
|
|
1017
|
|
|
1018
|
|
|
1019 void* Dstring_prototype_anchor(Dobject pthis, CallContext *cc, Dobject othis, Value *ret, Value[] arglist)
|
|
|
1020 {
|
|
|
1021 // Non-standard extension
|
|
|
1022 // String.prototype.anchor(anchor)
|
|
|
1023 // For example:
|
|
|
1024 // "foo".anchor("bar")
|
|
|
1025 // produces:
|
|
|
1026 // <A NAME="bar">foo</A>
|
|
|
1027
|
|
|
1028 return dstring_anchor(othis, ret, "A", "NAME", arglist);
|
|
|
1029 }
|
|
|
1030
|
|
|
1031 void* Dstring_prototype_fontcolor(Dobject pthis, CallContext *cc, Dobject othis, Value *ret, Value[] arglist)
|
|
|
1032 {
|
|
|
1033 return dstring_anchor(othis, ret, "FONT", "COLOR", arglist);
|
|
|
1034 }
|
|
|
1035
|
|
|
1036 void* Dstring_prototype_fontsize(Dobject pthis, CallContext *cc, Dobject othis, Value *ret, Value[] arglist)
|
|
|
1037 {
|
|
|
1038 return dstring_anchor(othis, ret, "FONT", "SIZE", arglist);
|
|
|
1039 }
|
|
|
1040
|
|
|
1041 void* Dstring_prototype_link(Dobject pthis, CallContext *cc, Dobject othis, Value *ret, Value[] arglist)
|
|
|
1042 {
|
|
|
1043 return dstring_anchor(othis, ret, "A", "HREF", arglist);
|
|
|
1044 }
|
|
|
1045
|
|
|
1046
|
|
|
1047 /* ===================== Dstring_prototype bracketing ============= */
|
|
|
1048
|
|
|
1049 /***************************
|
|
|
1050 * Produce <tag>othis</tag>
|
|
|
1051 */
|
|
|
1052
|
|
|
1053 void *dstring_bracket(Dobject othis, Value* ret, char[] tag)
|
|
|
1054 {
|
|
|
1055 d_string foo = othis.value.toString();
|
|
|
1056 d_string s;
|
|
|
1057
|
|
|
1058 s = "<" ~
|
|
|
1059 tag ~
|
|
|
1060 ">" ~
|
|
|
1061 foo ~
|
|
|
1062 "</" ~
|
|
|
1063 tag ~
|
|
|
1064 ">";
|
|
|
1065
|
|
|
1066 ret.putVstring(s);
|
|
|
1067 return null;
|
|
|
1068 }
|
|
|
1069
|
|
|
1070 void* Dstring_prototype_big(Dobject pthis, CallContext *cc, Dobject othis, Value *ret, Value[] arglist)
|
|
|
1071 {
|
|
|
1072 // Non-standard extension
|
|
|
1073 // String.prototype.big()
|
|
|
1074 // For example:
|
|
|
1075 // "foo".big()
|
|
|
1076 // produces:
|
|
|
1077 // <BIG>foo</BIG>
|
|
|
1078
|
|
|
1079 return dstring_bracket(othis, ret, "BIG");
|
|
|
1080 }
|
|
|
1081
|
|
|
1082 void* Dstring_prototype_blink(Dobject pthis, CallContext *cc, Dobject othis, Value *ret, Value[] arglist)
|
|
|
1083 {
|
|
|
1084 return dstring_bracket(othis, ret, "BLINK");
|
|
|
1085 }
|
|
|
1086
|
|
|
1087 void* Dstring_prototype_bold(Dobject pthis, CallContext *cc, Dobject othis, Value *ret, Value[] arglist)
|
|
|
1088 {
|
|
|
1089 return dstring_bracket(othis, ret, "B");
|
|
|
1090 }
|
|
|
1091
|
|
|
1092 void* Dstring_prototype_fixed(Dobject pthis, CallContext *cc, Dobject othis, Value *ret, Value[] arglist)
|
|
|
1093 {
|
|
|
1094 return dstring_bracket(othis, ret, "TT");
|
|
|
1095 }
|
|
|
1096
|
|
|
1097 void* Dstring_prototype_italics(Dobject pthis, CallContext *cc, Dobject othis, Value *ret, Value[] arglist)
|
|
|
1098 {
|
|
|
1099 return dstring_bracket(othis, ret, "I");
|
|
|
1100 }
|
|
|
1101
|
|
|
1102 void* Dstring_prototype_small(Dobject pthis, CallContext *cc, Dobject othis, Value *ret, Value[] arglist)
|
|
|
1103 {
|
|
|
1104 return dstring_bracket(othis, ret, "SMALL");
|
|
|
1105 }
|
|
|
1106
|
|
|
1107 void* Dstring_prototype_strike(Dobject pthis, CallContext *cc, Dobject othis, Value *ret, Value[] arglist)
|
|
|
1108 {
|
|
|
1109 return dstring_bracket(othis, ret, "STRIKE");
|
|
|
1110 }
|
|
|
1111
|
|
|
1112 void* Dstring_prototype_sub(Dobject pthis, CallContext *cc, Dobject othis, Value *ret, Value[] arglist)
|
|
|
1113 {
|
|
|
1114 return dstring_bracket(othis, ret, "SUB");
|
|
|
1115 }
|
|
|
1116
|
|
|
1117 void* Dstring_prototype_sup(Dobject pthis, CallContext *cc, Dobject othis, Value *ret, Value[] arglist)
|
|
|
1118 {
|
|
|
1119 return dstring_bracket(othis, ret, "SUP");
|
|
|
1120 }
|
|
|
1121
|
|
|
1122
|
|
|
1123
|
|
|
1124 /* ===================== Dstring_prototype ==================== */
|
|
|
1125
|
|
|
1126 class Dstring_prototype : Dstring
|
|
|
1127 {
|
|
|
1128 this(ThreadContext *tc)
|
|
|
1129 {
|
|
|
1130 super(tc.Dobject_prototype);
|
|
|
1131
|
|
|
1132 Put(TEXT_constructor, tc.Dstring_constructor, DontEnum);
|
|
|
1133
|
|
|
1134 static NativeFunctionData nfd[] =
|
|
|
1135 [
|
|
|
1136 { &TEXT_toString, &Dstring_prototype_toString, 0 },
|
|
|
1137 { &TEXT_valueOf, &Dstring_prototype_valueOf, 0 },
|
|
|
1138 { &TEXT_charAt, &Dstring_prototype_charAt, 1 },
|
|
|
1139 { &TEXT_charCodeAt, &Dstring_prototype_charCodeAt, 1 },
|
|
|
1140 { &TEXT_concat, &Dstring_prototype_concat, 1 },
|
|
|
1141 { &TEXT_indexOf, &Dstring_prototype_indexOf, 1 },
|
|
|
1142 { &TEXT_lastIndexOf, &Dstring_prototype_lastIndexOf, 1 },
|
|
|
1143 { &TEXT_localeCompare, &Dstring_prototype_localeCompare, 1 },
|
|
|
1144 { &TEXT_match, &Dstring_prototype_match, 1 },
|
|
|
1145 { &TEXT_replace, &Dstring_prototype_replace, 2 },
|
|
|
1146 { &TEXT_search, &Dstring_prototype_search, 1 },
|
|
|
1147 { &TEXT_slice, &Dstring_prototype_slice, 2 },
|
|
|
1148 { &TEXT_split, &Dstring_prototype_split, 2 },
|
|
|
1149 { &TEXT_substr, &Dstring_prototype_substr, 2 },
|
|
|
1150 { &TEXT_substring, &Dstring_prototype_substring, 2 },
|
|
|
1151 { &TEXT_toLowerCase, &Dstring_prototype_toLowerCase, 0 },
|
|
|
1152 { &TEXT_toLocaleLowerCase, &Dstring_prototype_toLocaleLowerCase, 0 },
|
|
|
1153 { &TEXT_toUpperCase, &Dstring_prototype_toUpperCase, 0 },
|
|
|
1154 { &TEXT_toLocaleUpperCase, &Dstring_prototype_toLocaleUpperCase, 0 },
|
|
|
1155 { &TEXT_anchor, &Dstring_prototype_anchor, 1 },
|
|
|
1156 { &TEXT_fontcolor, &Dstring_prototype_fontcolor, 1 },
|
|
|
1157 { &TEXT_fontsize, &Dstring_prototype_fontsize, 1 },
|
|
|
1158 { &TEXT_link, &Dstring_prototype_link, 1 },
|
|
|
1159 { &TEXT_big, &Dstring_prototype_big, 0 },
|
|
|
1160 { &TEXT_blink, &Dstring_prototype_blink, 0 },
|
|
|
1161 { &TEXT_bold, &Dstring_prototype_bold, 0 },
|
|
|
1162 { &TEXT_fixed, &Dstring_prototype_fixed, 0 },
|
|
|
1163 { &TEXT_italics, &Dstring_prototype_italics, 0 },
|
|
|
1164 { &TEXT_small, &Dstring_prototype_small, 0 },
|
|
|
1165 { &TEXT_strike, &Dstring_prototype_strike, 0 },
|
|
|
1166 { &TEXT_sub, &Dstring_prototype_sub, 0 },
|
|
|
1167 { &TEXT_sup, &Dstring_prototype_sup, 0 },
|
|
|
1168 ];
|
|
|
1169
|
|
|
1170 DnativeFunction.init(this, nfd, DontEnum);
|
|
|
1171 }
|
|
|
1172 }
|
|
|
1173
|
|
|
1174 /* ===================== Dstring ==================== */
|
|
|
1175
|
|
|
1176 class Dstring : Dobject
|
|
|
1177 {
|
|
|
1178 this(d_string s)
|
|
|
1179 {
|
|
|
1180 super(getPrototype());
|
|
|
1181 classname = TEXT_String;
|
|
|
1182
|
|
|
1183 Put(TEXT_length, std.utf.toUCSindex(s, s.length), DontEnum | DontDelete | ReadOnly);
|
|
|
1184 value.putVstring(s);
|
|
|
1185 }
|
|
|
1186
|
|
|
1187 this(Dobject prototype)
|
|
|
1188 {
|
|
|
1189 super(prototype);
|
|
|
1190
|
|
|
1191 classname = TEXT_String;
|
|
|
1192 Put(TEXT_length, 0, DontEnum | DontDelete | ReadOnly);
|
|
|
1193 value.putVstring(null);
|
|
|
1194 }
|
|
|
1195
|
|
|
1196 static void init(ThreadContext *tc)
|
|
|
1197 {
|
|
|
1198 tc.Dstring_constructor = new Dstring_constructor(tc);
|
|
|
1199 tc.Dstring_prototype = new Dstring_prototype(tc);
|
|
|
1200
|
|
|
1201 tc.Dstring_constructor.Put(TEXT_prototype, tc.Dstring_prototype, DontEnum | DontDelete | ReadOnly);
|
|
|
1202 }
|
|
|
1203
|
|
|
1204 static Dfunction getConstructor()
|
|
|
1205 {
|
|
|
1206 ThreadContext *tc = ThreadContext.getThreadContext();
|
|
|
1207 assert(tc);
|
|
|
1208 return tc.Dstring_constructor;
|
|
|
1209 }
|
|
|
1210
|
|
|
1211 static Dobject getPrototype()
|
|
|
1212 {
|
|
|
1213 ThreadContext *tc = ThreadContext.getThreadContext();
|
|
|
1214 assert(tc);
|
|
|
1215 return tc.Dstring_prototype;
|
|
|
1216 }
|
|
|
1217 }
|
