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<div class="title">regexp_object.cpp</div> </div>
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<div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// -*- c-basic-offset: 2 -*-</span>
<a name="l00002"></a>00002 <span class="comment">/*</span>
<a name="l00003"></a>00003 <span class="comment"> * This file is part of the KDE libraries</span>
<a name="l00004"></a>00004 <span class="comment"> * Copyright (C) 1999-2000 Harri Porten (porten@kde.org)</span>
<a name="l00005"></a>00005 <span class="comment"> * Copyright (C) 2003 Apple Computer, Inc.</span>
<a name="l00006"></a>00006 <span class="comment"> *</span>
<a name="l00007"></a>00007 <span class="comment"> * This library is free software; you can redistribute it and/or</span>
<a name="l00008"></a>00008 <span class="comment"> * modify it under the terms of the GNU Lesser General Public</span>
<a name="l00009"></a>00009 <span class="comment"> * License as published by the Free Software Foundation; either</span>
<a name="l00010"></a>00010 <span class="comment"> * version 2 of the License, or (at your option) any later version.</span>
<a name="l00011"></a>00011 <span class="comment"> *</span>
<a name="l00012"></a>00012 <span class="comment"> * This library is distributed in the hope that it will be useful,</span>
<a name="l00013"></a>00013 <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00014"></a>00014 <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span>
<a name="l00015"></a>00015 <span class="comment"> * Lesser General Public License for more details.</span>
<a name="l00016"></a>00016 <span class="comment"> *</span>
<a name="l00017"></a>00017 <span class="comment"> * You should have received a copy of the GNU Lesser General Public</span>
<a name="l00018"></a>00018 <span class="comment"> * License along with this library; if not, write to the Free Software</span>
<a name="l00019"></a>00019 <span class="comment"> * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA</span>
<a name="l00020"></a>00020 <span class="comment"> *</span>
<a name="l00021"></a>00021 <span class="comment"> */</span>
<a name="l00022"></a>00022
<a name="l00023"></a>00023 <span class="preprocessor">#include <stdio.h></span>
<a name="l00024"></a>00024
<a name="l00025"></a>00025 <span class="preprocessor">#include "value.h"</span>
<a name="l00026"></a>00026 <span class="preprocessor">#include "object.h"</span>
<a name="l00027"></a>00027 <span class="preprocessor">#include "types.h"</span>
<a name="l00028"></a>00028 <span class="preprocessor">#include "interpreter.h"</span>
<a name="l00029"></a>00029 <span class="preprocessor">#include "operations.h"</span>
<a name="l00030"></a>00030 <span class="preprocessor">#include "internal.h"</span>
<a name="l00031"></a>00031 <span class="preprocessor">#include "regexp.h"</span>
<a name="l00032"></a>00032 <span class="preprocessor">#include "regexp_object.h"</span>
<a name="l00033"></a>00033 <span class="preprocessor">#include "error_object.h"</span>
<a name="l00034"></a>00034 <span class="preprocessor">#include "lookup.h"</span>
<a name="l00035"></a>00035
<a name="l00036"></a>00036 <span class="keyword">using namespace </span>KJS;
<a name="l00037"></a>00037
<a name="l00038"></a>00038 <span class="comment">// ------------------------------ RegExpPrototypeImp ---------------------------</span>
<a name="l00039"></a>00039
<a name="l00040"></a>00040 <span class="comment">// ECMA 15.9.4</span>
<a name="l00041"></a>00041
<a name="l00042"></a>00042 <span class="keyword">const</span> <a class="code" href="structKJS_1_1ClassInfo.html" title="Class Information.">ClassInfo</a> RegExpPrototypeImp::info = {<span class="stringliteral">"RegExp"</span>, 0, 0, 0};
<a name="l00043"></a>00043
<a name="l00044"></a>00044 RegExpPrototypeImp::RegExpPrototypeImp(<a class="code" href="classKJS_1_1ExecState.html" title="Represents the current state of script execution.">ExecState</a> *exec,
<a name="l00045"></a>00045 ObjectPrototypeImp *objProto,
<a name="l00046"></a>00046 <a class="code" href="classKJS_1_1FunctionPrototypeImp.html" title="The initial value of Function.prototype (and thus all objects created with the Function constructor)...">FunctionPrototypeImp</a> *funcProto)
<a name="l00047"></a>00047 : ObjectImp(objProto)
<a name="l00048"></a>00048 {
<a name="l00049"></a>00049 <a class="code" href="classKJS_1_1Value.html" title="Value objects are act as wrappers ("smart pointers") around ValueImp objects and their descendents...">Value</a> protect(<span class="keyword">this</span>);
<a name="l00050"></a>00050 setInternalValue(<a class="code" href="classKJS_1_1String.html" title="Represents an primitive String value.">String</a>(<span class="stringliteral">""</span>));
<a name="l00051"></a>00051
<a name="l00052"></a>00052 <span class="comment">// The constructor will be added later in RegExpObject's constructor (?)</span>
<a name="l00053"></a>00053
<a name="l00054"></a>00054 <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="classKJS_1_1Identifier.html" title="Represents an Identifier for a Javascript object.">Identifier</a> execPropertyName(<span class="stringliteral">"exec"</span>);
<a name="l00055"></a>00055 putDirect(execPropertyName,
<a name="l00056"></a>00056 <span class="keyword">new</span> RegExpProtoFuncImp(exec,funcProto,RegExpProtoFuncImp::Exec, 0, execPropertyName), DontEnum);
<a name="l00057"></a>00057 <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="classKJS_1_1Identifier.html" title="Represents an Identifier for a Javascript object.">Identifier</a> testPropertyName(<span class="stringliteral">"test"</span>);
<a name="l00058"></a>00058 putDirect(testPropertyName,
<a name="l00059"></a>00059 <span class="keyword">new</span> RegExpProtoFuncImp(exec,funcProto,RegExpProtoFuncImp::Test, 0, testPropertyName), DontEnum);
<a name="l00060"></a>00060 putDirect(toStringPropertyName,
<a name="l00061"></a>00061 <span class="keyword">new</span> RegExpProtoFuncImp(exec,funcProto,RegExpProtoFuncImp::ToString, 0, toStringPropertyName), DontEnum);
<a name="l00062"></a>00062 <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="classKJS_1_1Identifier.html" title="Represents an Identifier for a Javascript object.">Identifier</a> compilePropertyName(<span class="stringliteral">"compile"</span>);
<a name="l00063"></a>00063 putDirect(compilePropertyName,
<a name="l00064"></a>00064 <span class="keyword">new</span> RegExpProtoFuncImp(exec,funcProto,RegExpProtoFuncImp::Compile, 1, compilePropertyName), DontEnum);
<a name="l00065"></a>00065 }
<a name="l00066"></a>00066
<a name="l00067"></a>00067 <span class="comment">// ------------------------------ RegExpProtoFuncImp ---------------------------</span>
<a name="l00068"></a>00068
<a name="l00069"></a>00069 RegExpProtoFuncImp::RegExpProtoFuncImp(<a class="code" href="classKJS_1_1ExecState.html" title="Represents the current state of script execution.">ExecState</a> * <span class="comment">/*exec*/</span>, <a class="code" href="classKJS_1_1FunctionPrototypeImp.html" title="The initial value of Function.prototype (and thus all objects created with the Function constructor)...">FunctionPrototypeImp</a> *funcProto,
<a name="l00070"></a>00070 <span class="keywordtype">int</span> i, <span class="keywordtype">int</span> len, <span class="keyword">const</span> <a class="code" href="classKJS_1_1Identifier.html" title="Represents an Identifier for a Javascript object.">Identifier</a> &_ident)
<a name="l00071"></a>00071 : <a class="code" href="classKJS_1_1InternalFunctionImp.html" title="Base class for all function objects.">InternalFunctionImp</a>(funcProto), id(i)
<a name="l00072"></a>00072 {
<a name="l00073"></a>00073 <a class="code" href="classKJS_1_1Value.html" title="Value objects are act as wrappers ("smart pointers") around ValueImp objects and their descendents...">Value</a> protect(<span class="keyword">this</span>);
<a name="l00074"></a>00074 putDirect(lengthPropertyName, len, DontDelete|ReadOnly|DontEnum);
<a name="l00075"></a>00075 ident = _ident;
<a name="l00076"></a>00076 }
<a name="l00077"></a>00077
<a name="l00078"></a>00078 <span class="keywordtype">bool</span> RegExpProtoFuncImp::implementsCall()<span class="keyword"> const</span>
<a name="l00079"></a>00079 <span class="keyword"></span>{
<a name="l00080"></a>00080 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00081"></a>00081 }
<a name="l00082"></a>00082
<a name="l00083"></a>00083 <a class="code" href="classKJS_1_1Value.html" title="Value objects are act as wrappers ("smart pointers") around ValueImp objects and their descendents...">Value</a> RegExpProtoFuncImp::call(<a class="code" href="classKJS_1_1ExecState.html" title="Represents the current state of script execution.">ExecState</a> *exec, <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a> &thisObj, <span class="keyword">const</span> <a class="code" href="classKJS_1_1List.html" title="Native list type.">List</a> &args)
<a name="l00084"></a>00084 {
<a name="l00085"></a>00085 <span class="keywordflow">if</span> (!thisObj.inherits(&RegExpImp::info)) {
<a name="l00086"></a>00086 <span class="keywordflow">if</span> (thisObj.inherits(&RegExpPrototypeImp::info)) {
<a name="l00087"></a>00087 <span class="keywordflow">switch</span> (<span class="keywordtype">id</span>) {
<a name="l00088"></a>00088 <span class="keywordflow">case</span> ToString: <span class="keywordflow">return</span> <a class="code" href="classKJS_1_1String.html" title="Represents an primitive String value.">String</a>(<span class="stringliteral">"//"</span>); <span class="comment">// FireFox returns /(?:)/</span>
<a name="l00089"></a>00089 }
<a name="l00090"></a>00090 }
<a name="l00091"></a>00091 <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a> err = <a class="code" href="classKJS_1_1Error.html#ad90381467b6e9fbae92c0975852048f2" title="Factory method for error objects.">Error::create</a>(exec,TypeError);
<a name="l00092"></a>00092 exec->setException(err);
<a name="l00093"></a>00093 <span class="keywordflow">return</span> err;
<a name="l00094"></a>00094 }
<a name="l00095"></a>00095
<a name="l00096"></a>00096 RegExpImp *reimp = <span class="keyword">static_cast<</span>RegExpImp*<span class="keyword">></span>(thisObj.imp());
<a name="l00097"></a>00097 RegExp *re = reimp->regExp();
<a name="l00098"></a>00098 <a class="code" href="classKJS_1_1String.html" title="Represents an primitive String value.">String</a> s;
<a name="l00099"></a>00099 <a class="code" href="classKJS_1_1UString.html" title="Unicode string class.">UString</a> str;
<a name="l00100"></a>00100 <span class="keywordflow">switch</span> (<span class="keywordtype">id</span>) {
<a name="l00101"></a>00101 <span class="keywordflow">case</span> Exec: <span class="comment">// 15.10.6.2</span>
<a name="l00102"></a>00102 <span class="keywordflow">case</span> Test:
<a name="l00103"></a>00103 {
<a name="l00104"></a>00104 s = args[0].toString(exec);
<a name="l00105"></a>00105 <span class="keywordtype">int</span> length = s.value().<a class="code" href="classKJS_1_1UString.html#a43b493879fd9d2d8e13039d1610cb3b9">size</a>();
<a name="l00106"></a>00106
<a name="l00107"></a>00107 <span class="comment">// Get values from the last time (in case of /g)</span>
<a name="l00108"></a>00108 <a class="code" href="classKJS_1_1Value.html" title="Value objects are act as wrappers ("smart pointers") around ValueImp objects and their descendents...">Value</a> lastIndex = thisObj.<a class="code" href="classKJS_1_1Object.html#a394b5e197af70d97568c5e17fe61b19f" title="Retrieves the specified property from the object.">get</a>(exec,<span class="stringliteral">"lastIndex"</span>);
<a name="l00109"></a>00109 <span class="keywordtype">int</span> i = lastIndex.<a class="code" href="classKJS_1_1Value.html#acd8509ab6b7622c16fdf021803fdd2cb" title="Returns whether or not this is a valid value.">isValid</a>() ? lastIndex.<a class="code" href="classKJS_1_1Value.html#aa116929fe115defe059fc6e0ddf0d362" title="Performs the ToInt32 type conversion operation on this value (ECMA 9.5)">toInt32</a>(exec) : 0;
<a name="l00110"></a>00110 <span class="keywordtype">bool</span> globalFlag = thisObj.<a class="code" href="classKJS_1_1Object.html#a394b5e197af70d97568c5e17fe61b19f" title="Retrieves the specified property from the object.">get</a>(exec,<span class="stringliteral">"global"</span>).<a class="code" href="classKJS_1_1Value.html#abdcb3fc1afee9326af85eec35592f0b8" title="Performs the ToBoolean type conversion operation on this value (ECMA 9.2)">toBoolean</a>(exec);
<a name="l00111"></a>00111 <span class="keywordflow">if</span> (!globalFlag)
<a name="l00112"></a>00112 i = 0;
<a name="l00113"></a>00113 <span class="keywordflow">if</span> (i < 0 || i > length) {
<a name="l00114"></a>00114 thisObj.<a class="code" href="classKJS_1_1Object.html#aa67ec5ebaa19921db0fec1688378da2e" title="Sets the specified property.">put</a>(exec,<span class="stringliteral">"lastIndex"</span>, <a class="code" href="classKJS_1_1Number.html" title="Represents an primitive Number value.">Number</a>(0), DontDelete | DontEnum);
<a name="l00115"></a>00115 <span class="keywordflow">if</span> (<span class="keywordtype">id</span> == Test)
<a name="l00116"></a>00116 <span class="keywordflow">return</span> <a class="code" href="classKJS_1_1Boolean.html" title="Represents an primitive Boolean value.">Boolean</a>(<span class="keyword">false</span>);
<a name="l00117"></a>00117 <span class="keywordflow">else</span>
<a name="l00118"></a>00118 <span class="keywordflow">return</span> <a class="code" href="classKJS_1_1Null.html" title="Represents an primitive Null value.">Null</a>();
<a name="l00119"></a>00119 }
<a name="l00120"></a>00120 RegExpObjectImp* regExpObj = <span class="keyword">static_cast<</span>RegExpObjectImp*<span class="keyword">></span>(exec-><a class="code" href="classKJS_1_1ExecState.html#af210e5fad440d91a939e71ccb2bf6be7" title="Returns the interpreter associated with the current scope's global object.">lexicalInterpreter</a>()-><a class="code" href="classKJS_1_1Interpreter.html#ae4c66d318c8493caf8ed103ca2efb442" title="Returns the builtin "RegExp" object.">builtinRegExp</a>().imp());
<a name="l00121"></a>00121 <span class="keywordtype">int</span> **ovector = regExpObj->registerRegexp( re, s.value() );
<a name="l00122"></a>00122
<a name="l00123"></a>00123 re->prepareMatch(s.value());
<a name="l00124"></a>00124 str = re->match(s.value(), i, 0L, ovector);
<a name="l00125"></a>00125 re->doneMatch();
<a name="l00126"></a>00126 regExpObj->setSubPatterns(re->subPatterns());
<a name="l00127"></a>00127
<a name="l00128"></a>00128 <span class="keywordflow">if</span> (<span class="keywordtype">id</span> == Test)
<a name="l00129"></a>00129 <span class="keywordflow">return</span> <a class="code" href="classKJS_1_1Boolean.html" title="Represents an primitive Boolean value.">Boolean</a>(!str.<a class="code" href="classKJS_1_1UString.html#a13c9d3fb7c7f081736b28ee2d76471d4">isNull</a>());
<a name="l00130"></a>00130
<a name="l00131"></a>00131 <span class="keywordflow">if</span> (str.<a class="code" href="classKJS_1_1UString.html#a13c9d3fb7c7f081736b28ee2d76471d4">isNull</a>()) <span class="comment">// no match</span>
<a name="l00132"></a>00132 {
<a name="l00133"></a>00133 <span class="keywordflow">if</span> (globalFlag)
<a name="l00134"></a>00134 thisObj.<a class="code" href="classKJS_1_1Object.html#aa67ec5ebaa19921db0fec1688378da2e" title="Sets the specified property.">put</a>(exec,<span class="stringliteral">"lastIndex"</span>,<a class="code" href="classKJS_1_1Number.html" title="Represents an primitive Number value.">Number</a>(0), DontDelete | DontEnum);
<a name="l00135"></a>00135 <span class="keywordflow">return</span> <a class="code" href="classKJS_1_1Null.html" title="Represents an primitive Null value.">Null</a>();
<a name="l00136"></a>00136 }
<a name="l00137"></a>00137 <span class="keywordflow">else</span> <span class="comment">// success</span>
<a name="l00138"></a>00138 {
<a name="l00139"></a>00139 <span class="keywordflow">if</span> (globalFlag)
<a name="l00140"></a>00140 thisObj.<a class="code" href="classKJS_1_1Object.html#aa67ec5ebaa19921db0fec1688378da2e" title="Sets the specified property.">put</a>(exec,<span class="stringliteral">"lastIndex"</span>,<a class="code" href="classKJS_1_1Number.html" title="Represents an primitive Number value.">Number</a>( (*ovector)[1] ), DontDelete | DontEnum);
<a name="l00141"></a>00141 <span class="keywordflow">return</span> regExpObj->arrayOfMatches(exec,str);
<a name="l00142"></a>00142 }
<a name="l00143"></a>00143 }
<a name="l00144"></a>00144 <span class="keywordflow">break</span>;
<a name="l00145"></a>00145 <span class="keywordflow">case</span> ToString:
<a name="l00146"></a>00146 s = thisObj.<a class="code" href="classKJS_1_1Object.html#a394b5e197af70d97568c5e17fe61b19f" title="Retrieves the specified property from the object.">get</a>(exec,<span class="stringliteral">"source"</span>).<a class="code" href="classKJS_1_1Value.html#a8611b80d868cebf8dd4af2f966810874" title="Performs the ToString type conversion operation on this value (ECMA 9.8)">toString</a>(exec);
<a name="l00147"></a>00147 str = <span class="stringliteral">"/"</span>;
<a name="l00148"></a>00148 str += s.value();
<a name="l00149"></a>00149 str += <span class="stringliteral">"/"</span>;
<a name="l00150"></a>00150 <span class="keywordflow">if</span> (thisObj.<a class="code" href="classKJS_1_1Object.html#a394b5e197af70d97568c5e17fe61b19f" title="Retrieves the specified property from the object.">get</a>(exec,<span class="stringliteral">"global"</span>).<a class="code" href="classKJS_1_1Value.html#abdcb3fc1afee9326af85eec35592f0b8" title="Performs the ToBoolean type conversion operation on this value (ECMA 9.2)">toBoolean</a>(exec)) {
<a name="l00151"></a>00151 str += <span class="stringliteral">"g"</span>;
<a name="l00152"></a>00152 }
<a name="l00153"></a>00153 <span class="keywordflow">if</span> (thisObj.<a class="code" href="classKJS_1_1Object.html#a394b5e197af70d97568c5e17fe61b19f" title="Retrieves the specified property from the object.">get</a>(exec,<span class="stringliteral">"ignoreCase"</span>).<a class="code" href="classKJS_1_1Value.html#abdcb3fc1afee9326af85eec35592f0b8" title="Performs the ToBoolean type conversion operation on this value (ECMA 9.2)">toBoolean</a>(exec)) {
<a name="l00154"></a>00154 str += <span class="stringliteral">"i"</span>;
<a name="l00155"></a>00155 }
<a name="l00156"></a>00156 <span class="keywordflow">if</span> (thisObj.<a class="code" href="classKJS_1_1Object.html#a394b5e197af70d97568c5e17fe61b19f" title="Retrieves the specified property from the object.">get</a>(exec,<span class="stringliteral">"multiline"</span>).<a class="code" href="classKJS_1_1Value.html#abdcb3fc1afee9326af85eec35592f0b8" title="Performs the ToBoolean type conversion operation on this value (ECMA 9.2)">toBoolean</a>(exec)) {
<a name="l00157"></a>00157 str += <span class="stringliteral">"m"</span>;
<a name="l00158"></a>00158 }
<a name="l00159"></a>00159 <span class="keywordflow">return</span> <a class="code" href="classKJS_1_1String.html" title="Represents an primitive String value.">String</a>(str);
<a name="l00160"></a>00160 <span class="keywordflow">case</span> Compile: {
<a name="l00161"></a>00161 RegExp* newEngine = RegExpObjectImp::makeEngine(exec, args[0].toString(exec), args[1]);
<a name="l00162"></a>00162 <span class="keywordflow">if</span> (!newEngine)
<a name="l00163"></a>00163 <span class="keywordflow">return</span> exec->exception();
<a name="l00164"></a>00164 reimp->setRegExp(newEngine);
<a name="l00165"></a>00165 <span class="keywordflow">return</span> <a class="code" href="classKJS_1_1Value.html" title="Value objects are act as wrappers ("smart pointers") around ValueImp objects and their descendents...">Value</a>(reimp);
<a name="l00166"></a>00166 }
<a name="l00167"></a>00167 }
<a name="l00168"></a>00168
<a name="l00169"></a>00169
<a name="l00170"></a>00170 <span class="keywordflow">return</span> <a class="code" href="classKJS_1_1Undefined.html" title="Represents an primitive Undefined value.">Undefined</a>();
<a name="l00171"></a>00171 }
<a name="l00172"></a>00172
<a name="l00173"></a>00173 <span class="comment">// ------------------------------ RegExpImp ------------------------------------</span>
<a name="l00174"></a>00174
<a name="l00175"></a>00175 <span class="keyword">const</span> <a class="code" href="structKJS_1_1ClassInfo.html" title="Class Information.">ClassInfo</a> RegExpImp::info = {<span class="stringliteral">"RegExp"</span>, 0, 0, 0};
<a name="l00176"></a>00176
<a name="l00177"></a>00177 RegExpImp::RegExpImp(RegExpPrototypeImp *regexpProto)
<a name="l00178"></a>00178 : ObjectImp(regexpProto), reg(0L)
<a name="l00179"></a>00179 {
<a name="l00180"></a>00180 }
<a name="l00181"></a>00181
<a name="l00182"></a>00182 RegExpImp::~RegExpImp()
<a name="l00183"></a>00183 {
<a name="l00184"></a>00184 <span class="keyword">delete</span> reg;
<a name="l00185"></a>00185 }
<a name="l00186"></a>00186
<a name="l00187"></a>00187 <span class="keywordtype">void</span> RegExpImp::setRegExp(RegExp *r)
<a name="l00188"></a>00188 {
<a name="l00189"></a>00189 <span class="keyword">delete</span> reg;
<a name="l00190"></a>00190 reg = r;
<a name="l00191"></a>00191
<a name="l00192"></a>00192 <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a> protect(<span class="keyword">this</span>);<span class="comment">//Protect self from GC (we are allocating a StringImp, and may be new)</span>
<a name="l00193"></a>00193 putDirect(<span class="stringliteral">"global"</span>, (r->flags() & RegExp::Global) ? BooleanImp::staticTrue : BooleanImp::staticFalse,
<a name="l00194"></a>00194 DontDelete | ReadOnly | DontEnum);
<a name="l00195"></a>00195 putDirect(<span class="stringliteral">"ignoreCase"</span>, (r->flags() & RegExp::IgnoreCase) ? BooleanImp::staticTrue : BooleanImp::staticFalse,
<a name="l00196"></a>00196 DontDelete | ReadOnly | DontEnum);
<a name="l00197"></a>00197 putDirect(<span class="stringliteral">"multiline"</span>, (r->flags() & RegExp::Multiline) ? BooleanImp::staticTrue : BooleanImp::staticFalse,
<a name="l00198"></a>00198 DontDelete | ReadOnly | DontEnum);
<a name="l00199"></a>00199
<a name="l00200"></a>00200 putDirect(<span class="stringliteral">"source"</span>, <span class="keyword">new</span> StringImp(r->pattern()), DontDelete | ReadOnly | DontEnum);
<a name="l00201"></a>00201 putDirect(<span class="stringliteral">"lastIndex"</span>, NumberImp::zero(), DontDelete | DontEnum);
<a name="l00202"></a>00202 }
<a name="l00203"></a>00203
<a name="l00204"></a>00204 <span class="comment">// ------------------------------ RegExpObjectImp ------------------------------</span>
<a name="l00205"></a>00205
<a name="l00206"></a>00206 RegExpObjectImp::RegExpObjectImp(<a class="code" href="classKJS_1_1ExecState.html" title="Represents the current state of script execution.">ExecState</a> * <span class="comment">/*exec*/</span>,
<a name="l00207"></a>00207 <a class="code" href="classKJS_1_1FunctionPrototypeImp.html" title="The initial value of Function.prototype (and thus all objects created with the Function constructor)...">FunctionPrototypeImp</a> *funcProto,
<a name="l00208"></a>00208 RegExpPrototypeImp *regProto)
<a name="l00209"></a>00209
<a name="l00210"></a>00210 : <a class="code" href="classKJS_1_1InternalFunctionImp.html" title="Base class for all function objects.">InternalFunctionImp</a>(funcProto), lastOvector(0L), lastNrSubPatterns(0)
<a name="l00211"></a>00211 {
<a name="l00212"></a>00212 <a class="code" href="classKJS_1_1Value.html" title="Value objects are act as wrappers ("smart pointers") around ValueImp objects and their descendents...">Value</a> protect(<span class="keyword">this</span>);
<a name="l00213"></a>00213 <span class="comment">// ECMA 15.10.5.1 RegExp.prototype</span>
<a name="l00214"></a>00214 putDirect(prototypePropertyName, regProto, DontEnum|DontDelete|ReadOnly);
<a name="l00215"></a>00215
<a name="l00216"></a>00216 <span class="comment">// no. of arguments for constructor</span>
<a name="l00217"></a>00217 putDirect(lengthPropertyName, NumberImp::two(), ReadOnly|DontDelete|DontEnum);
<a name="l00218"></a>00218 }
<a name="l00219"></a>00219
<a name="l00220"></a>00220 RegExpObjectImp::~RegExpObjectImp()
<a name="l00221"></a>00221 {
<a name="l00222"></a>00222 <span class="keyword">delete</span> [] lastOvector;
<a name="l00223"></a>00223 }
<a name="l00224"></a>00224
<a name="l00225"></a>00225 <span class="keywordtype">int</span> **RegExpObjectImp::registerRegexp( <span class="keyword">const</span> RegExp* re, <span class="keyword">const</span> <a class="code" href="classKJS_1_1UString.html" title="Unicode string class.">UString</a>& s )
<a name="l00226"></a>00226 {
<a name="l00227"></a>00227 lastString = s;
<a name="l00228"></a>00228 <span class="keyword">delete</span> [] lastOvector;
<a name="l00229"></a>00229 lastOvector = 0;
<a name="l00230"></a>00230 lastNrSubPatterns = re->subPatterns();
<a name="l00231"></a>00231 <span class="keywordflow">return</span> &lastOvector;
<a name="l00232"></a>00232 }
<a name="l00233"></a>00233
<a name="l00234"></a>00234 <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a> RegExpObjectImp::arrayOfMatches(<a class="code" href="classKJS_1_1ExecState.html" title="Represents the current state of script execution.">ExecState</a> *exec, <span class="keyword">const</span> <a class="code" href="classKJS_1_1UString.html" title="Unicode string class.">UString</a> &result)<span class="keyword"> const</span>
<a name="l00235"></a>00235 <span class="keyword"></span>{
<a name="l00236"></a>00236 <a class="code" href="classKJS_1_1List.html" title="Native list type.">List</a> list;
<a name="l00237"></a>00237 <span class="comment">// The returned array contains 'result' as first item, followed by the list of matches</span>
<a name="l00238"></a>00238 list.<a class="code" href="classKJS_1_1List.html#a0754cb5a81b130c65ab13a4e9cff5c52" title="Append an object to the end of the list.">append</a>(<a class="code" href="classKJS_1_1String.html" title="Represents an primitive String value.">String</a>(result));
<a name="l00239"></a>00239 <span class="keywordflow">if</span> ( lastOvector )
<a name="l00240"></a>00240 <span class="keywordflow">for</span> ( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i = 1 ; i < lastNrSubPatterns + 1 ; ++i )
<a name="l00241"></a>00241 {
<a name="l00242"></a>00242 <a class="code" href="classKJS_1_1UString.html" title="Unicode string class.">UString</a> substring = lastString.<a class="code" href="classKJS_1_1UString.html#a9803bb317f9ad51ce189c2f688cf1941">substr</a>( lastOvector[2*i], lastOvector[2*i+1] - lastOvector[2*i] );
<a name="l00243"></a>00243 list.<a class="code" href="classKJS_1_1List.html#a0754cb5a81b130c65ab13a4e9cff5c52" title="Append an object to the end of the list.">append</a>(<a class="code" href="classKJS_1_1String.html" title="Represents an primitive String value.">String</a>(substring));
<a name="l00244"></a>00244 }
<a name="l00245"></a>00245 <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a> arr = exec-><a class="code" href="classKJS_1_1ExecState.html#af210e5fad440d91a939e71ccb2bf6be7" title="Returns the interpreter associated with the current scope's global object.">lexicalInterpreter</a>()-><a class="code" href="classKJS_1_1Interpreter.html#a2f7e9fc6cb4e1e10f7b001cb7729d023" title="Returns the builtin "Array" object.">builtinArray</a>().<a class="code" href="classKJS_1_1Object.html#a85a7d585cbaeaef5bff34676bb748cc7" title="Creates a new object based on this object.">construct</a>(exec, list);
<a name="l00246"></a>00246 arr.<a class="code" href="classKJS_1_1Object.html#aa67ec5ebaa19921db0fec1688378da2e" title="Sets the specified property.">put</a>(exec, <span class="stringliteral">"index"</span>, <a class="code" href="classKJS_1_1Number.html" title="Represents an primitive Number value.">Number</a>(lastOvector[0]));
<a name="l00247"></a>00247 arr.<a class="code" href="classKJS_1_1Object.html#aa67ec5ebaa19921db0fec1688378da2e" title="Sets the specified property.">put</a>(exec, <span class="stringliteral">"input"</span>, <a class="code" href="classKJS_1_1String.html" title="Represents an primitive String value.">String</a>(lastString));
<a name="l00248"></a>00248 <span class="keywordflow">return</span> arr;
<a name="l00249"></a>00249 }
<a name="l00250"></a>00250
<a name="l00251"></a>00251 <a class="code" href="classKJS_1_1Value.html" title="Value objects are act as wrappers ("smart pointers") around ValueImp objects and their descendents...">Value</a> RegExpObjectImp::get(<a class="code" href="classKJS_1_1ExecState.html" title="Represents the current state of script execution.">ExecState</a> *exec, <span class="keyword">const</span> <a class="code" href="classKJS_1_1Identifier.html" title="Represents an Identifier for a Javascript object.">Identifier</a> &p)<span class="keyword"> const</span>
<a name="l00252"></a>00252 <span class="keyword"></span>{
<a name="l00253"></a>00253 <a class="code" href="classKJS_1_1UString.html" title="Unicode string class.">UString</a> s = p.<a class="code" href="classKJS_1_1Identifier.html#a60e1a5523bb219a8e427733682ad7955" title="returns a UString of the identifier">ustring</a>();
<a name="l00254"></a>00254 <span class="keywordflow">if</span> (s[0] == <span class="charliteral">'$'</span> && lastOvector)
<a name="l00255"></a>00255 {
<a name="l00256"></a>00256 <span class="keywordtype">bool</span> ok;
<a name="l00257"></a>00257 <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> i = s.<a class="code" href="classKJS_1_1UString.html#a9803bb317f9ad51ce189c2f688cf1941">substr</a>(1).<a class="code" href="classKJS_1_1UString.html#abe9ab18ec02094d99ff8de9f8f30ce62" title="Attempts an conversion to an unsigned long integer.">toULong</a>(&ok);
<a name="l00258"></a>00258 <span class="keywordflow">if</span> (ok)
<a name="l00259"></a>00259 {
<a name="l00260"></a>00260 <span class="keywordflow">if</span> (i < lastNrSubPatterns + 1)
<a name="l00261"></a>00261 {
<a name="l00262"></a>00262 <a class="code" href="classKJS_1_1UString.html" title="Unicode string class.">UString</a> substring = lastString.<a class="code" href="classKJS_1_1UString.html#a9803bb317f9ad51ce189c2f688cf1941">substr</a>( lastOvector[2*i], lastOvector[2*i+1] - lastOvector[2*i] );
<a name="l00263"></a>00263 <span class="keywordflow">return</span> <a class="code" href="classKJS_1_1String.html" title="Represents an primitive String value.">String</a>(substring);
<a name="l00264"></a>00264 }
<a name="l00265"></a>00265 <span class="keywordflow">return</span> <a class="code" href="classKJS_1_1String.html" title="Represents an primitive String value.">String</a>(<span class="stringliteral">""</span>);
<a name="l00266"></a>00266 }
<a name="l00267"></a>00267 }
<a name="l00268"></a>00268 <span class="keywordflow">return</span> InternalFunctionImp::get(exec, p);
<a name="l00269"></a>00269 }
<a name="l00270"></a>00270
<a name="l00271"></a>00271 <span class="keywordtype">bool</span> RegExpObjectImp::hasProperty(<a class="code" href="classKJS_1_1ExecState.html" title="Represents the current state of script execution.">ExecState</a> *exec, <span class="keyword">const</span> <a class="code" href="classKJS_1_1Identifier.html" title="Represents an Identifier for a Javascript object.">Identifier</a> &p)<span class="keyword"> const</span>
<a name="l00272"></a>00272 <span class="keyword"></span>{
<a name="l00273"></a>00273 <a class="code" href="classKJS_1_1UString.html" title="Unicode string class.">UString</a> s = p.<a class="code" href="classKJS_1_1Identifier.html#a60e1a5523bb219a8e427733682ad7955" title="returns a UString of the identifier">ustring</a>();
<a name="l00274"></a>00274 <span class="keywordflow">if</span> (s[0] == <span class="charliteral">'$'</span> && lastOvector) {
<a name="l00275"></a>00275 <span class="keywordtype">bool</span> ok;
<a name="l00276"></a>00276 (void)s.<a class="code" href="classKJS_1_1UString.html#a9803bb317f9ad51ce189c2f688cf1941">substr</a>(1).<a class="code" href="classKJS_1_1UString.html#abe9ab18ec02094d99ff8de9f8f30ce62" title="Attempts an conversion to an unsigned long integer.">toULong</a>(&ok);
<a name="l00277"></a>00277 <span class="keywordflow">if</span> (ok)
<a name="l00278"></a>00278 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00279"></a>00279 }
<a name="l00280"></a>00280
<a name="l00281"></a>00281 <span class="keywordflow">return</span> InternalFunctionImp::hasProperty(exec, p);
<a name="l00282"></a>00282 }
<a name="l00283"></a>00283
<a name="l00284"></a>00284 <span class="keywordtype">bool</span> RegExpObjectImp::implementsConstruct()<span class="keyword"> const</span>
<a name="l00285"></a>00285 <span class="keyword"></span>{
<a name="l00286"></a>00286 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00287"></a>00287 }
<a name="l00288"></a>00288
<a name="l00289"></a>00289 RegExp* RegExpObjectImp::makeEngine(<a class="code" href="classKJS_1_1ExecState.html" title="Represents the current state of script execution.">ExecState</a> *exec, <span class="keyword">const</span> <a class="code" href="classKJS_1_1UString.html" title="Unicode string class.">UString</a> &p, <span class="keyword">const</span> <a class="code" href="classKJS_1_1Value.html" title="Value objects are act as wrappers ("smart pointers") around ValueImp objects and their descendents...">Value</a> &flagsInput)
<a name="l00290"></a>00290 {
<a name="l00291"></a>00291 <a class="code" href="classKJS_1_1UString.html" title="Unicode string class.">UString</a> flags = flagsInput.<a class="code" href="classKJS_1_1Value.html#ae452f07da93d3888448158e634d71657" title="Returns the type of value.">type</a>() == UndefinedType ? <a class="code" href="classKJS_1_1UString.html" title="Unicode string class.">UString</a>(<span class="stringliteral">""</span>) : flagsInput.toString(exec);
<a name="l00292"></a>00292
<a name="l00293"></a>00293 <span class="comment">// Check for validity of flags</span>
<a name="l00294"></a>00294 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> pos = 0; pos < flags.<a class="code" href="classKJS_1_1UString.html#a43b493879fd9d2d8e13039d1610cb3b9">size</a>(); ++pos) {
<a name="l00295"></a>00295 <span class="keywordflow">switch</span> (flags[pos].unicode()) {
<a name="l00296"></a>00296 <span class="keywordflow">case</span> <span class="charliteral">'g'</span>:
<a name="l00297"></a>00297 <span class="keywordflow">case</span> <span class="charliteral">'i'</span>:
<a name="l00298"></a>00298 <span class="keywordflow">case</span> <span class="charliteral">'m'</span>:
<a name="l00299"></a>00299 <span class="keywordflow">break</span>;
<a name="l00300"></a>00300 <span class="keywordflow">default</span>: {
<a name="l00301"></a>00301 <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a> err = <a class="code" href="classKJS_1_1Error.html#ad90381467b6e9fbae92c0975852048f2" title="Factory method for error objects.">Error::create</a>(exec, SyntaxError,
<a name="l00302"></a>00302 <span class="stringliteral">"Invalid regular expression flags"</span>);
<a name="l00303"></a>00303 exec->setException(err);
<a name="l00304"></a>00304 <span class="keywordflow">return</span> 0;
<a name="l00305"></a>00305 }
<a name="l00306"></a>00306 }
<a name="l00307"></a>00307 }
<a name="l00308"></a>00308
<a name="l00309"></a>00309 <span class="keywordtype">bool</span> global = (flags.<a class="code" href="classKJS_1_1UString.html#a8a7e8222f9166800c8250cb02b0d717a">find</a>(<span class="stringliteral">"g"</span>) >= 0);
<a name="l00310"></a>00310 <span class="keywordtype">bool</span> ignoreCase = (flags.<a class="code" href="classKJS_1_1UString.html#a8a7e8222f9166800c8250cb02b0d717a">find</a>(<span class="stringliteral">"i"</span>) >= 0);
<a name="l00311"></a>00311 <span class="keywordtype">bool</span> multiline = (flags.<a class="code" href="classKJS_1_1UString.html#a8a7e8222f9166800c8250cb02b0d717a">find</a>(<span class="stringliteral">"m"</span>) >= 0);
<a name="l00312"></a>00312
<a name="l00313"></a>00313 <span class="keywordtype">int</span> reflags = RegExp::None;
<a name="l00314"></a>00314 <span class="keywordflow">if</span> (global)
<a name="l00315"></a>00315 reflags |= RegExp::Global;
<a name="l00316"></a>00316 <span class="keywordflow">if</span> (ignoreCase)
<a name="l00317"></a>00317 reflags |= RegExp::IgnoreCase;
<a name="l00318"></a>00318 <span class="keywordflow">if</span> (multiline)
<a name="l00319"></a>00319 reflags |= RegExp::Multiline;
<a name="l00320"></a>00320
<a name="l00321"></a>00321 RegExp *re = <span class="keyword">new</span> RegExp(p, reflags);
<a name="l00322"></a>00322 <span class="keywordflow">if</span> (!re->isValid()) {
<a name="l00323"></a>00323 <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a> err = <a class="code" href="classKJS_1_1Error.html#ad90381467b6e9fbae92c0975852048f2" title="Factory method for error objects.">Error::create</a>(exec, SyntaxError,
<a name="l00324"></a>00324 <span class="stringliteral">"Invalid regular expression"</span>);
<a name="l00325"></a>00325 exec->setException(err);
<a name="l00326"></a>00326 <span class="keyword">delete</span> re;
<a name="l00327"></a>00327 <span class="keywordflow">return</span> 0;
<a name="l00328"></a>00328 }
<a name="l00329"></a>00329 <span class="keywordflow">return</span> re;
<a name="l00330"></a>00330 }
<a name="l00331"></a>00331
<a name="l00332"></a>00332 <span class="comment">// ECMA 15.10.4</span>
<a name="l00333"></a>00333 <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a> RegExpObjectImp::construct(<a class="code" href="classKJS_1_1ExecState.html" title="Represents the current state of script execution.">ExecState</a> *exec, <span class="keyword">const</span> <a class="code" href="classKJS_1_1List.html" title="Native list type.">List</a> &args)
<a name="l00334"></a>00334 {
<a name="l00335"></a>00335 UString p;
<a name="l00336"></a>00336 <span class="keywordflow">if</span> (args.<a class="code" href="classKJS_1_1List.html#a6356629da9e2c8cff0e0cbe9f7f61bac">isEmpty</a>()) {
<a name="l00337"></a>00337 p = <span class="stringliteral">""</span>;
<a name="l00338"></a>00338 } <span class="keywordflow">else</span> {
<a name="l00339"></a>00339 <a class="code" href="classKJS_1_1Value.html" title="Value objects are act as wrappers ("smart pointers") around ValueImp objects and their descendents...">Value</a> a0 = args[0];
<a name="l00340"></a>00340 <span class="keywordflow">if</span> (a0.<a class="code" href="classKJS_1_1Value.html#a1704785fc8140c274b0e7ec03eb0dfe2" title="Checks whether or not the value is of a particular tpye.">isA</a>(ObjectType) && a0.<a class="code" href="classKJS_1_1Value.html#a072d956ce72fd1387bacb27dc466239d" title="Performs the ToObject type conversion operation on this value (ECMA 9.9)">toObject</a>(exec).inherits(&RegExpImp::info)) {
<a name="l00341"></a>00341 <span class="comment">// It's a regexp. Check that no flags were passed.</span>
<a name="l00342"></a>00342 <span class="keywordflow">if</span> (args.<a class="code" href="classKJS_1_1List.html#a69835b1e6671235343b0a17923b92c43">size</a>() > 1 && args[1].type() != UndefinedType) {
<a name="l00343"></a>00343 <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a> err = <a class="code" href="classKJS_1_1Error.html#ad90381467b6e9fbae92c0975852048f2" title="Factory method for error objects.">Error::create</a>(exec,TypeError);
<a name="l00344"></a>00344 exec->setException(err);
<a name="l00345"></a>00345 <span class="keywordflow">return</span> err;
<a name="l00346"></a>00346 }
<a name="l00347"></a>00347 RegExpImp *rimp = <span class="keyword">static_cast<</span>RegExpImp*<span class="keyword">></span>(<a class="code" href="classKJS_1_1Object.html#ab12ea86cb49e21ea6c5547507f8d128e" title="Converts a Value into an Object.">Object::dynamicCast</a>(a0).imp());
<a name="l00348"></a>00348 p = rimp->regExp()->pattern();
<a name="l00349"></a>00349 } <span class="keywordflow">else</span> {
<a name="l00350"></a>00350 p = a0.<a class="code" href="classKJS_1_1Value.html#a8611b80d868cebf8dd4af2f966810874" title="Performs the ToString type conversion operation on this value (ECMA 9.8)">toString</a>(exec);
<a name="l00351"></a>00351 }
<a name="l00352"></a>00352 }
<a name="l00353"></a>00353
<a name="l00354"></a>00354 RegExp* re = makeEngine(exec, p, args[1]);
<a name="l00355"></a>00355 <span class="keywordflow">if</span> (!re)
<a name="l00356"></a>00356 <span class="keywordflow">return</span> exec->exception().<a class="code" href="classKJS_1_1Value.html#a072d956ce72fd1387bacb27dc466239d" title="Performs the ToObject type conversion operation on this value (ECMA 9.9)">toObject</a>(exec);
<a name="l00357"></a>00357
<a name="l00358"></a>00358 RegExpPrototypeImp *proto = <span class="keyword">static_cast<</span>RegExpPrototypeImp*<span class="keyword">></span>(exec-><a class="code" href="classKJS_1_1ExecState.html#af210e5fad440d91a939e71ccb2bf6be7" title="Returns the interpreter associated with the current scope's global object.">lexicalInterpreter</a>()-><a class="code" href="classKJS_1_1Interpreter.html#a822c219a83cdf278b416c083097972f2" title="Returns the builtin "RegExp.prototype" object.">builtinRegExpPrototype</a>().imp());
<a name="l00359"></a>00359 RegExpImp *dat = <span class="keyword">new</span> RegExpImp(proto);
<a name="l00360"></a>00360 <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a> obj(dat); <span class="comment">// protect from GC</span>
<a name="l00361"></a>00361 dat->setRegExp(re);
<a name="l00362"></a>00362
<a name="l00363"></a>00363 <span class="keywordflow">return</span> obj;
<a name="l00364"></a>00364 }
<a name="l00365"></a>00365
<a name="l00366"></a>00366 <span class="keywordtype">bool</span> RegExpObjectImp::implementsCall()<span class="keyword"> const</span>
<a name="l00367"></a>00367 <span class="keyword"></span>{
<a name="l00368"></a>00368 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00369"></a>00369 }
<a name="l00370"></a>00370
<a name="l00371"></a>00371 <span class="comment">// ECMA 15.10.3</span>
<a name="l00372"></a>00372 <a class="code" href="classKJS_1_1Value.html" title="Value objects are act as wrappers ("smart pointers") around ValueImp objects and their descendents...">Value</a> RegExpObjectImp::call(<a class="code" href="classKJS_1_1ExecState.html" title="Represents the current state of script execution.">ExecState</a> *exec, <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a> &<span class="comment">/*thisObj*/</span>,
<a name="l00373"></a>00373 <span class="keyword">const</span> <a class="code" href="classKJS_1_1List.html" title="Native list type.">List</a> &args)
<a name="l00374"></a>00374 {
<a name="l00375"></a>00375 <span class="comment">// TODO: handle RegExp argument case (15.10.3.1)</span>
<a name="l00376"></a>00376
<a name="l00377"></a>00377 <span class="keywordflow">return</span> construct(exec, args);
<a name="l00378"></a>00378 }
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