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Diffstat (limited to 'src/script/qscriptecmaregexp.cpp')
| -rw-r--r-- | src/script/qscriptecmaregexp.cpp | 339 |
1 files changed, 0 insertions, 339 deletions
diff --git a/src/script/qscriptecmaregexp.cpp b/src/script/qscriptecmaregexp.cpp deleted file mode 100644 index 8a40e8b..0000000 --- a/src/script/qscriptecmaregexp.cpp +++ /dev/null @@ -1,339 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the QtScript module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** No Commercial Usage -** This file contains pre-release code and may not be distributed. -** You may use this file in accordance with the terms and conditions -** contained in the either Technology Preview License Agreement or the -** Beta Release License Agreement. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 2.1 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 2.1 requirements -** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** In addition, as a special exception, Nokia gives you certain -** additional rights. These rights are described in the Nokia Qt LGPL -** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this -** package. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 3.0 as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU General Public License version 3.0 requirements will be -** met: http://www.gnu.org/copyleft/gpl.html. -** -** If you are unsure which license is appropriate for your use, please -** contact the sales department at http://qt.nokia.com/contact. -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "qscriptecmaregexp_p.h" - -#ifndef QT_NO_SCRIPT - -#include "qscriptengine_p.h" -#include "qscriptvalueimpl_p.h" -#include "qscriptcontext_p.h" -#include "qscriptmember_p.h" -#include "qscriptobject_p.h" - -#include <QtCore/QStringList> -#include <QtCore/QRegExp> -#include <QtCore/QtDebug> - -QT_BEGIN_NAMESPACE - -namespace QScript { namespace Ecma { - -RegExp::RegExp(QScriptEnginePrivate *eng): - Core(eng, QLatin1String("RegExp"), QScriptClassInfo::RegExpType) -{ - newRegExp(&publicPrototype, QString(), /*flags=*/0); - - eng->newConstructor(&ctor, this, publicPrototype); - - addPrototypeFunction(QLatin1String("exec"), method_exec, 1); - addPrototypeFunction(QLatin1String("test"), method_test, 1); - addPrototypeFunction(QLatin1String("toString"), method_toString, 1); -} - -RegExp::~RegExp() -{ -} - -RegExp::Instance *RegExp::Instance::get(const QScriptValueImpl &object, QScriptClassInfo *klass) -{ - if (! klass || klass == object.classInfo()) - return static_cast<Instance*> (object.objectData()); - - return 0; -} - -void RegExp::execute(QScriptContextPrivate *context) -{ -#ifndef Q_SCRIPT_NO_EVENT_NOTIFY - engine()->notifyFunctionEntry(context); -#endif - QString P; - int F; - QScriptValueImpl pattern = context->argument(0); - QScriptValueImpl flags = context->argument(1); - if (!context->isCalledAsConstructor()) { - if ((pattern.classInfo() == classInfo()) && flags.isUndefined()) { - context->m_result = pattern; - goto Lout; - } - } - if (pattern.classInfo() == classInfo()) { - if (!flags.isUndefined()) { - context->throwTypeError(QString::fromLatin1("cannot specify flags when creating a copy of a RegExp")); - goto Lout; - } - Instance *data = Instance::get(pattern, classInfo()); -#ifndef QT_NO_REGEXP - P = data->value.pattern(); -#else - P = data->pattern; -#endif - F = data->flags; - } else { - if (!pattern.isUndefined()) - P = pattern.toString(); - F = 0; - if (!flags.isUndefined()) { - QString flagsStr = flags.toString(); - for (int i = 0; i < flagsStr.length(); ++i) { - int bitflag = flagFromChar(flagsStr.at(i)); - if (bitflag == 0) { - context->throwError( - QScriptContext::SyntaxError, - QString::fromUtf8("invalid regular expression flag '%0'") - .arg(flagsStr.at(i))); - goto Lout; - } - F |= bitflag; - } - } - } - if (context->isCalledAsConstructor()) { - QScriptValueImpl &object = context->m_thisObject; - object.setClassInfo(classInfo()); - object.setPrototype(publicPrototype); -#ifndef QT_NO_REGEXP - initRegExp(&object, toRegExp(P, F), F); -#else - initRegExp(&object, P, F); -#endif - } else { - newRegExp(&context->m_result, P, F); - } - Lout: ; -#ifndef Q_SCRIPT_NO_EVENT_NOTIFY - engine()->notifyFunctionExit(context); -#endif -} - -void RegExp::newRegExp(QScriptValueImpl *result, const QString &pattern, int flags) -{ -#ifndef QT_NO_REGEXP - QRegExp rx = toRegExp(pattern, flags); - newRegExp_helper(result, rx, flags); -#else - engine()->newObject(result, publicPrototype, classInfo()); - initRegExp(result, pattern, flags); -#endif // QT_NO_REGEXP -} - -#ifndef QT_NO_REGEXP -void RegExp::newRegExp(QScriptValueImpl *result, const QRegExp &rx, int flags) -{ - Q_ASSERT(!(flags & IgnoreCase) || (rx.caseSensitivity() == Qt::CaseInsensitive)); - newRegExp_helper(result, rx, flags); -} - -void RegExp::newRegExp_helper(QScriptValueImpl *result, const QRegExp &rx, - int flags) -{ - engine()->newObject(result, publicPrototype, classInfo()); - initRegExp(result, rx, flags); -} - -QRegExp RegExp::toRegExp(const QScriptValueImpl &value) const -{ - Instance *rx_data = Instance::get(value, classInfo()); - Q_ASSERT(rx_data != 0); - return rx_data->value; -} - -QRegExp RegExp::toRegExp(const QString &pattern, int flags) -{ - bool ignoreCase = (flags & IgnoreCase) != 0; - return QRegExp(pattern, - (ignoreCase ? Qt::CaseInsensitive: Qt::CaseSensitive), - QRegExp::RegExp2); -} - -#endif // QT_NO_REGEXP - -void RegExp::initRegExp(QScriptValueImpl *result, -#ifndef QT_NO_REGEXP - const QRegExp &rx, -#else - const QString &pattern, -#endif - int flags) -{ - Instance *instance = new Instance(); -#ifndef QT_NO_REGEXP - instance->value = rx; -#else - instance->pattern = pattern; -#endif - instance->flags = flags; - result->setObjectData(instance); - - bool global = (flags & Global) != 0; - bool ignoreCase = (flags & IgnoreCase) != 0; - bool multiline = (flags & Multiline) != 0; - - QScriptValue::PropertyFlags propertyFlags = QScriptValue::SkipInEnumeration - | QScriptValue::Undeletable - | QScriptValue::ReadOnly; - - result->setProperty(QLatin1String("global"), QScriptValueImpl(global), - propertyFlags); - result->setProperty(QLatin1String("ignoreCase"), QScriptValueImpl(ignoreCase), - propertyFlags); - result->setProperty(QLatin1String("multiline"), QScriptValueImpl(multiline), - propertyFlags); -#ifndef QT_NO_REGEXP - const QString &pattern = rx.pattern(); -#endif - result->setProperty(QLatin1String("source"), QScriptValueImpl(engine(), pattern), - propertyFlags); - result->setProperty(QLatin1String("lastIndex"), QScriptValueImpl(0), - propertyFlags & ~QScriptValue::ReadOnly); -} - -int RegExp::flagFromChar(const QChar &ch) -{ - static QHash<QChar, int> flagsHash; - if (flagsHash.isEmpty()) { - flagsHash[QLatin1Char('g')] = Global; - flagsHash[QLatin1Char('i')] = IgnoreCase; - flagsHash[QLatin1Char('m')] = Multiline; - } - QHash<QChar, int>::const_iterator it; - it = flagsHash.constFind(ch); - if (it == flagsHash.constEnd()) - return 0; - return it.value(); -} - -QString RegExp::flagsToString(int flags) -{ - QString result; - if (flags & Global) - result += QLatin1Char('g'); - if (flags & IgnoreCase) - result += QLatin1Char('i'); - if (flags & Multiline) - result += QLatin1Char('m'); - return result; -} - -QScriptValueImpl RegExp::method_exec(QScriptContextPrivate *context, QScriptEnginePrivate *eng, QScriptClassInfo *classInfo) -{ - QScriptValueImpl self = context->thisObject(); - if (self.classInfo() != classInfo) { - return throwThisObjectTypeError( - context, QLatin1String("RegExp.prototype.exec")); - } - Instance *rx_data = Instance::get(self, classInfo); - Q_ASSERT(rx_data != 0); - - QString S = context->argument(0).toString(); - int length = S.length(); - QScriptValueImpl lastIndex = self.property(QLatin1String("lastIndex")); - - int i = lastIndex.isValid() ? int (lastIndex.toInteger()) : 0; - bool global = self.property(QLatin1String("global")).toBoolean(); - - if (! global) - i = 0; - - if (i < 0 || i >= length) - return (eng->nullValue()); - -#ifndef QT_NO_REGEXP - int index = rx_data->value.indexIn(S, i); - if (index == -1) -#endif // QT_NO_REGEXP - return eng->nullValue(); - -#ifndef QT_NO_REGEXP - int e = index + rx_data->value.matchedLength(); - - if (global) - self.setProperty(QLatin1String("lastIndex"), QScriptValueImpl(e)); - - QScript::Array elts(eng); - QStringList capturedTexts = rx_data->value.capturedTexts(); - for (int i = 0; i < capturedTexts.count(); ++i) - elts.assign(i, QScriptValueImpl(eng, capturedTexts.at(i))); - - QScriptValueImpl r = eng->newArray(elts); - - r.setProperty(QLatin1String("index"), QScriptValueImpl(index)); - r.setProperty(QLatin1String("input"), QScriptValueImpl(eng, S)); - - return r; -#endif // QT_NO_REGEXP -} - -QScriptValueImpl RegExp::method_test(QScriptContextPrivate *context, QScriptEnginePrivate *eng, QScriptClassInfo *classInfo) -{ - QScriptValueImpl r = method_exec(context, eng, classInfo); - return QScriptValueImpl(!r.isNull()); -} - -QScriptValueImpl RegExp::method_toString(QScriptContextPrivate *context, QScriptEnginePrivate *eng, QScriptClassInfo *classInfo) -{ - if (Instance *instance = Instance::get(context->thisObject(), classInfo)) { - QString result; - result += QLatin1Char('/'); -#ifndef QT_NO_REGEXP - const QString &pattern = instance->value.pattern(); -#else - const QString &pattern = instance->pattern; -#endif - if (pattern.isEmpty()) - result += QLatin1String("(?:)"); - else - result += pattern; // ### quote - result += QLatin1Char('/'); - result += flagsToString(instance->flags); - return (QScriptValueImpl(eng, result)); - } - - return throwThisObjectTypeError( - context, QLatin1String("RegExp.prototype.toString")); -} - -} } // namespace QScript::Ecma - -QT_END_NAMESPACE - -#endif // QT_NO_SCRIPT |