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Diffstat (limited to 'src/script/bridge/qscriptvariant.cpp')
| -rw-r--r-- | src/script/bridge/qscriptvariant.cpp | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/src/script/bridge/qscriptvariant.cpp b/src/script/bridge/qscriptvariant.cpp new file mode 100644 index 0000000..ee59e4f --- /dev/null +++ b/src/script/bridge/qscriptvariant.cpp @@ -0,0 +1,162 @@ +/**************************************************************************** +** +** 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://www.qtsoftware.com/contact. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "config.h" +#include "qscriptvariant_p.h" + +#include "../api/qscriptengine.h" +#include "../api/qscriptengine_p.h" + +#include "Error.h" +#include "PrototypeFunction.h" +#include "JSString.h" + +QT_BEGIN_NAMESPACE + +namespace JSC +{ +ASSERT_CLASS_FITS_IN_CELL(QScript::QVariantPrototype); +} + +namespace QScript +{ + +QVariantDelegate::QVariantDelegate(const QVariant &value) + : m_value(value) +{ +} + +QVariantDelegate::~QVariantDelegate() +{ +} + +QVariant &QVariantDelegate::value() +{ + return m_value; +} + +void QVariantDelegate::setValue(const QVariant &value) +{ + m_value = value; +} + +QScriptObjectDelegate::Type QVariantDelegate::type() const +{ + return Variant; +} + +static JSC::JSValue JSC_HOST_CALL variantProtoFuncValueOf(JSC::ExecState *exec, JSC::JSObject*, + JSC::JSValue thisValue, const JSC::ArgList&) +{ + QScriptEnginePrivate *engine = scriptEngineFromExec(exec); + thisValue = engine->toUsableValue(thisValue); + if (!thisValue.isObject(&QScriptObject::info)) + return throwError(exec, JSC::TypeError); + QScriptObjectDelegate *delegate = static_cast<QScriptObject*>(JSC::asObject(thisValue))->delegate(); + if (!delegate || (delegate->type() != QScriptObjectDelegate::Variant)) + return throwError(exec, JSC::TypeError); + const QVariant &v = static_cast<QVariantDelegate*>(delegate)->value(); + switch (v.type()) { + case QVariant::Invalid: + return JSC::jsUndefined(); + case QVariant::String: + return JSC::jsString(exec, v.toString()); + + case QVariant::Int: + return JSC::jsNumber(exec, v.toInt()); + + case QVariant::Bool: + return JSC::jsBoolean(v.toBool()); + + case QVariant::Double: + return JSC::jsNumber(exec, v.toDouble()); + +// case QVariant::Char: +// return JSC::jsNumber(exec, v.toChar().unicode()); + + case QVariant::UInt: + return JSC::jsNumber(exec, v.toUInt()); + + default: + ; + } + return thisValue; +} + +static JSC::JSValue JSC_HOST_CALL variantProtoFuncToString(JSC::ExecState *exec, JSC::JSObject *callee, + JSC::JSValue thisValue, const JSC::ArgList &args) +{ + QScriptEnginePrivate *engine = scriptEngineFromExec(exec); + thisValue = engine->toUsableValue(thisValue); + if (!thisValue.isObject(&QScriptObject::info)) + return throwError(exec, JSC::TypeError, "This object is not a QVariant"); + QScriptObjectDelegate *delegate = static_cast<QScriptObject*>(JSC::asObject(thisValue))->delegate(); + if (!delegate || (delegate->type() != QScriptObjectDelegate::Variant)) + return throwError(exec, JSC::TypeError, "This object is not a QVariant"); + const QVariant &v = static_cast<QVariantDelegate*>(delegate)->value(); + JSC::UString result; + JSC::JSValue value = variantProtoFuncValueOf(exec, callee, thisValue, args); + if (value.isObject()) { + result = v.toString(); + if (result.isEmpty()) { + result = "QVariant("; + result += v.typeName(); + result += ")"; + } + } else { + result = value.toString(exec); + } + return JSC::jsString(exec, result); +} + +QVariantPrototype::QVariantPrototype(JSC::ExecState* exec, WTF::PassRefPtr<JSC::Structure> structure, + JSC::Structure* prototypeFunctionStructure) + : QScriptObject(structure) +{ + setDelegate(new QVariantDelegate(QVariant())); + + putDirectFunction(exec, new (exec) JSC::PrototypeFunction(exec, prototypeFunctionStructure, 0, exec->propertyNames().toString, variantProtoFuncToString), JSC::DontEnum); + putDirectFunction(exec, new (exec) JSC::PrototypeFunction(exec, prototypeFunctionStructure, 0, exec->propertyNames().valueOf, variantProtoFuncValueOf), JSC::DontEnum); +} + +} // namespace QScript + +QT_END_NAMESPACE |