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author | axis <qt-info@nokia.com> | 2009-04-24 11:34:15 (GMT) |
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committer | axis <qt-info@nokia.com> | 2009-04-24 11:34:15 (GMT) |
commit | 8f427b2b914d5b575a4a7c0ed65d2fb8f45acc76 (patch) | |
tree | a17e1a767a89542ab59907462206d7dcf2e504b2 /src/scripttools/debugging/qscriptdebuggervalue.cpp | |
download | Qt-8f427b2b914d5b575a4a7c0ed65d2fb8f45acc76.zip Qt-8f427b2b914d5b575a4a7c0ed65d2fb8f45acc76.tar.gz Qt-8f427b2b914d5b575a4a7c0ed65d2fb8f45acc76.tar.bz2 |
Long live Qt for S60!
Diffstat (limited to 'src/scripttools/debugging/qscriptdebuggervalue.cpp')
-rw-r--r-- | src/scripttools/debugging/qscriptdebuggervalue.cpp | 417 |
1 files changed, 417 insertions, 0 deletions
diff --git a/src/scripttools/debugging/qscriptdebuggervalue.cpp b/src/scripttools/debugging/qscriptdebuggervalue.cpp new file mode 100644 index 0000000..bb41ee8 --- /dev/null +++ b/src/scripttools/debugging/qscriptdebuggervalue.cpp @@ -0,0 +1,417 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the QtSCriptTools 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 qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qscriptdebuggervalue_p.h" + +#include <QtScript/qscriptvalue.h> +#include <QtScript/qscriptengine.h> +#include <QtCore/qdatastream.h> +#include <QtCore/qdebug.h> + +QT_BEGIN_NAMESPACE + +/*! + \since 4.5 + \class QScriptDebuggerValue + \internal + + \brief The QScriptDebuggerValue class represents a script value. +*/ + +class QScriptDebuggerValuePrivate +{ +public: + QScriptDebuggerValuePrivate(); + ~QScriptDebuggerValuePrivate(); + + QScriptDebuggerValue::ValueType type; + union { + bool booleanValue; + QString *stringValue; + double numberValue; + qint64 objectId; + }; + + QBasicAtomicInt ref; +}; + +QScriptDebuggerValuePrivate::QScriptDebuggerValuePrivate() + : type(QScriptDebuggerValue::NoValue) +{ + ref = 0; +} + +QScriptDebuggerValuePrivate::~QScriptDebuggerValuePrivate() +{ + if (type == QScriptDebuggerValue::StringValue) + delete stringValue; +} + +QScriptDebuggerValue::QScriptDebuggerValue() + : d_ptr(0) +{ +} + +QScriptDebuggerValue::QScriptDebuggerValue(const QScriptValue &value) + : d_ptr(0) +{ + if (value.isValid()) { + d_ptr = new QScriptDebuggerValuePrivate; + if (value.isUndefined()) + d_ptr->type = UndefinedValue; + else if (value.isNull()) + d_ptr->type = NullValue; + else if (value.isNumber()) { + d_ptr->type = NumberValue; + d_ptr->numberValue = value.toNumber(); + } else if (value.isBoolean()) { + d_ptr->type = BooleanValue; + d_ptr->booleanValue = value.toBoolean(); + } else if (value.isString()) { + d_ptr->type = StringValue; + d_ptr->stringValue = new QString(value.toString()); + } else { + Q_ASSERT(value.isObject()); + d_ptr->type = ObjectValue; + d_ptr->objectId = value.objectId(); + } + d_ptr->ref.ref(); + } +} + +QScriptDebuggerValue::QScriptDebuggerValue(double value) + : d_ptr(new QScriptDebuggerValuePrivate) +{ + d_ptr->type = NumberValue; + d_ptr->numberValue = value; + d_ptr->ref.ref(); +} + +QScriptDebuggerValue::QScriptDebuggerValue(bool value) + : d_ptr(new QScriptDebuggerValuePrivate) +{ + d_ptr->type = BooleanValue; + d_ptr->booleanValue = value; + d_ptr->ref.ref(); +} + +QScriptDebuggerValue::QScriptDebuggerValue(const QString &value) + : d_ptr(new QScriptDebuggerValuePrivate) +{ + d_ptr->type = StringValue; + d_ptr->stringValue = new QString(value); + d_ptr->ref.ref(); +} + +QScriptDebuggerValue::QScriptDebuggerValue(qint64 objectId) + : d_ptr(new QScriptDebuggerValuePrivate) +{ + d_ptr->type = ObjectValue; + d_ptr->objectId = objectId; + d_ptr->ref.ref(); +} + +QScriptDebuggerValue::QScriptDebuggerValue(ValueType type) + : d_ptr(new QScriptDebuggerValuePrivate) +{ + d_ptr->type = type; + d_ptr->ref.ref(); +} + +QScriptDebuggerValue::QScriptDebuggerValue(const QScriptDebuggerValue &other) + : d_ptr(other.d_ptr) +{ + if (d_ptr) + d_ptr->ref.ref(); +} + +QScriptDebuggerValue::~QScriptDebuggerValue() +{ + if (d_ptr && !d_ptr->ref.deref()) { + delete d_ptr; + d_ptr = 0; + } +} + +QScriptDebuggerValue &QScriptDebuggerValue::operator=(const QScriptDebuggerValue &other) +{ + if (d_ptr == other.d_ptr) + return *this; + if (d_ptr && !d_ptr->ref.deref()) + delete d_ptr; + d_ptr = other.d_ptr; + if (d_ptr) + d_ptr->ref.ref(); + return *this; +} + +/*! + Returns the type of this value. +*/ +QScriptDebuggerValue::ValueType QScriptDebuggerValue::type() const +{ + Q_D(const QScriptDebuggerValue); + if (!d) + return NoValue; + return d->type; +} + +/*! + Returns this value as a number. +*/ +double QScriptDebuggerValue::numberValue() const +{ + Q_D(const QScriptDebuggerValue); + if (!d) + return 0; + Q_ASSERT(d->type == NumberValue); + return d->numberValue; +} + +/*! + Returns this value as a boolean. +*/ +bool QScriptDebuggerValue::booleanValue() const +{ + Q_D(const QScriptDebuggerValue); + if (!d) + return false; + Q_ASSERT(d->type == BooleanValue); + return d->booleanValue; +} + +/*! + Returns this value as a string. +*/ +QString QScriptDebuggerValue::stringValue() const +{ + Q_D(const QScriptDebuggerValue); + if (!d) + return QString(); + Q_ASSERT(d->type == StringValue); + return *d->stringValue; +} + +/*! + Returns this value as an object ID. +*/ +qint64 QScriptDebuggerValue::objectId() const +{ + Q_D(const QScriptDebuggerValue); + if (!d) + return -1; + Q_ASSERT(d->type == ObjectValue); + return d->objectId; +} + +/*! + Converts this QScriptDebuggerValue to a QScriptValue in the + given \a engine and returns the resulting value. +*/ +QScriptValue QScriptDebuggerValue::toScriptValue(QScriptEngine *engine) const +{ + Q_D(const QScriptDebuggerValue); + if (!d) + return QScriptValue(); + switch (d->type) { + case NoValue: + return QScriptValue(); + case UndefinedValue: + return engine->undefinedValue(); + case NullValue: + return engine->nullValue(); + case BooleanValue: + return QScriptValue(engine, d->booleanValue); + case StringValue: + return QScriptValue(engine, *d->stringValue); + case NumberValue: + return QScriptValue(engine, d->numberValue); + case ObjectValue: + return engine->objectById(d->objectId); + } + return QScriptValue(); +} + +/*! + Returns a string representation of this value. +*/ +QString QScriptDebuggerValue::toString() const +{ + Q_D(const QScriptDebuggerValue); + if (!d) + return QString(); + switch (d->type) { + case NoValue: + return QString(); + case UndefinedValue: + return QString::fromLatin1("undefined"); + case NullValue: + return QString::fromLatin1("null"); + case BooleanValue: + if (d->booleanValue) + return QString::fromLatin1("true"); + else + return QString::fromLatin1("false"); + case StringValue: + return *d->stringValue; + case NumberValue: + return QString::number(d->numberValue); // ### qScriptNumberToString() + case ObjectValue: + return QString::fromLatin1("[object Object]"); + } + return QString(); +} + +/*! + Returns true if this QScriptDebuggerValue is equal to the \a other + value, otherwise returns false. +*/ +bool QScriptDebuggerValue::operator==(const QScriptDebuggerValue &other) const +{ + Q_D(const QScriptDebuggerValue); + const QScriptDebuggerValuePrivate *od = other.d_func(); + if (d == od) + return true; + if (!d || !od) + return false; + if (d->type != od->type) + return false; + switch (d->type) { + case NoValue: + case UndefinedValue: + case NullValue: + return true; + case BooleanValue: + return d->booleanValue == od->booleanValue; + case StringValue: + return *d->stringValue == *od->stringValue; + case NumberValue: + return d->numberValue == od->numberValue; + case ObjectValue: + return d->objectId == od->objectId; + } + return false; +} + +/*! + Returns true if this QScriptDebuggerValue is not equal to the \a + other value, otherwise returns false. +*/ +bool QScriptDebuggerValue::operator!=(const QScriptDebuggerValue &other) const +{ + return !(*this == other); +} + +/*! + \fn QDataStream &operator<<(QDataStream &stream, const QScriptDebuggerValue &value) + \relates QScriptDebuggerValue + + Writes the given \a value to the specified \a stream. +*/ +QDataStream &operator<<(QDataStream &out, const QScriptDebuggerValue &value) +{ + out << (quint32)value.type(); + switch (value.type()) { + case QScriptDebuggerValue::NoValue: + case QScriptDebuggerValue::UndefinedValue: + case QScriptDebuggerValue::NullValue: + break; + case QScriptDebuggerValue::BooleanValue: + out << value.booleanValue(); + break; + case QScriptDebuggerValue::StringValue: + out << value.stringValue(); + break; + case QScriptDebuggerValue::NumberValue: + out << value.numberValue(); + break; + case QScriptDebuggerValue::ObjectValue: + out << value.objectId(); + break; + } + return out; +} + +/*! + \fn QDataStream &operator>>(QDataStream &stream, QScriptDebuggerValue &value) + \relates QScriptDebuggerValue + + Reads a QScriptDebuggerValue from the specified \a stream into the + given \a value. +*/ +QDataStream &operator>>(QDataStream &in, QScriptDebuggerValue &value) +{ + quint32 type; + in >> type; + switch (QScriptDebuggerValue::ValueType(type)) { + case QScriptDebuggerValue::UndefinedValue: + case QScriptDebuggerValue::NullValue: + value = QScriptDebuggerValue(QScriptDebuggerValue::ValueType(type)); + break; + case QScriptDebuggerValue::BooleanValue: { + bool b; + in >> b; + value = QScriptDebuggerValue(b); + } break; + case QScriptDebuggerValue::StringValue: { + QString s; + in >> s; + value = QScriptDebuggerValue(s); + } break; + case QScriptDebuggerValue::NumberValue: { + double d; + in >> d; + value = QScriptDebuggerValue(d); + } break; + case QScriptDebuggerValue::ObjectValue: { + qint64 id; + in >> id; + value = QScriptDebuggerValue(id); + } break; + case QScriptDebuggerValue::NoValue: + default: + value = QScriptDebuggerValue(); + break; + } + return in; +} + +QT_END_NAMESPACE |