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/*
* Copyright (C) 1999-2000 Harri Porten (porten@kde.org)
* Copyright (C) 2003, 2007, 2008 Apple Inc. All Rights Reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#include "config.h"
#include "RegExpObject.h"
#include "Error.h"
#include "ExceptionHelpers.h"
#include "JSArray.h"
#include "JSGlobalObject.h"
#include "JSString.h"
#include "Lookup.h"
#include "RegExpConstructor.h"
#include "RegExpPrototype.h"
#include "UStringConcatenate.h"
#include <wtf/PassOwnPtr.h>
namespace JSC {
static JSValue regExpObjectGlobal(ExecState*, JSValue, const Identifier&);
static JSValue regExpObjectIgnoreCase(ExecState*, JSValue, const Identifier&);
static JSValue regExpObjectMultiline(ExecState*, JSValue, const Identifier&);
static JSValue regExpObjectSource(ExecState*, JSValue, const Identifier&);
static JSValue regExpObjectLastIndex(ExecState*, JSValue, const Identifier&);
static void setRegExpObjectLastIndex(ExecState*, JSObject*, JSValue);
} // namespace JSC
#include "RegExpObject.lut.h"
namespace JSC {
ASSERT_CLASS_FITS_IN_CELL(RegExpObject);
const ClassInfo RegExpObject::info = { "RegExp", 0, 0, ExecState::regExpTable };
/* Source for RegExpObject.lut.h
@begin regExpTable
global regExpObjectGlobal DontDelete|ReadOnly|DontEnum
ignoreCase regExpObjectIgnoreCase DontDelete|ReadOnly|DontEnum
multiline regExpObjectMultiline DontDelete|ReadOnly|DontEnum
source regExpObjectSource DontDelete|ReadOnly|DontEnum
lastIndex regExpObjectLastIndex DontDelete|DontEnum
@end
*/
RegExpObject::RegExpObject(JSGlobalObject* globalObject, NonNullPassRefPtr<Structure> structure, NonNullPassRefPtr<RegExp> regExp)
: JSObjectWithGlobalObject(globalObject, structure)
, d(adoptPtr(new RegExpObjectData(regExp, 0)))
{
}
RegExpObject::~RegExpObject()
{
}
bool RegExpObject::getOwnPropertySlot(ExecState* exec, const Identifier& propertyName, PropertySlot& slot)
{
return getStaticValueSlot<RegExpObject, JSObject>(exec, ExecState::regExpTable(exec), this, propertyName, slot);
}
bool RegExpObject::getOwnPropertyDescriptor(ExecState* exec, const Identifier& propertyName, PropertyDescriptor& descriptor)
{
return getStaticValueDescriptor<RegExpObject, JSObject>(exec, ExecState::regExpTable(exec), this, propertyName, descriptor);
}
JSValue regExpObjectGlobal(ExecState*, JSValue slotBase, const Identifier&)
{
return jsBoolean(asRegExpObject(slotBase)->regExp()->global());
}
JSValue regExpObjectIgnoreCase(ExecState*, JSValue slotBase, const Identifier&)
{
return jsBoolean(asRegExpObject(slotBase)->regExp()->ignoreCase());
}
JSValue regExpObjectMultiline(ExecState*, JSValue slotBase, const Identifier&)
{
return jsBoolean(asRegExpObject(slotBase)->regExp()->multiline());
}
JSValue regExpObjectSource(ExecState* exec, JSValue slotBase, const Identifier&)
{
return jsString(exec, asRegExpObject(slotBase)->regExp()->pattern());
}
JSValue regExpObjectLastIndex(ExecState*, JSValue slotBase, const Identifier&)
{
return jsNumber(asRegExpObject(slotBase)->lastIndex());
}
void RegExpObject::put(ExecState* exec, const Identifier& propertyName, JSValue value, PutPropertySlot& slot)
{
lookupPut<RegExpObject, JSObject>(exec, propertyName, value, ExecState::regExpTable(exec), this, slot);
}
void setRegExpObjectLastIndex(ExecState* exec, JSObject* baseObject, JSValue value)
{
asRegExpObject(baseObject)->setLastIndex(value.toInteger(exec));
}
JSValue RegExpObject::test(ExecState* exec)
{
return jsBoolean(match(exec));
}
JSValue RegExpObject::exec(ExecState* exec)
{
if (match(exec))
return exec->lexicalGlobalObject()->regExpConstructor()->arrayOfMatches(exec);
return jsNull();
}
static EncodedJSValue JSC_HOST_CALL callRegExpObject(ExecState* exec)
{
return JSValue::encode(asRegExpObject(exec->callee())->exec(exec));
}
CallType RegExpObject::getCallData(CallData& callData)
{
callData.native.function = callRegExpObject;
return CallTypeHost;
}
// Shared implementation used by test and exec.
bool RegExpObject::match(ExecState* exec)
{
RegExpConstructor* regExpConstructor = exec->lexicalGlobalObject()->regExpConstructor();
UString input = !exec->argumentCount() ? regExpConstructor->input() : exec->argument(0).toString(exec);
if (input.isNull()) {
throwError(exec, createError(exec, makeUString("No input to ", toString(exec), ".")));
return false;
}
if (!regExp()->global()) {
int position;
int length;
regExpConstructor->performMatch(d->regExp.get(), input, 0, position, length);
return position >= 0;
}
if (d->lastIndex < 0 || d->lastIndex > input.length()) {
d->lastIndex = 0;
return false;
}
int position;
int length = 0;
regExpConstructor->performMatch(d->regExp.get(), input, static_cast<int>(d->lastIndex), position, length);
if (position < 0) {
d->lastIndex = 0;
return false;
}
d->lastIndex = position + length;
return true;
}
} // namespace JSC
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