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Diffstat (limited to 'src/declarative/qml/qdeclarativedom.cpp')
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diff --git a/src/declarative/qml/qdeclarativedom.cpp b/src/declarative/qml/qdeclarativedom.cpp deleted file mode 100644 index f1296aaf18..0000000000 --- a/src/declarative/qml/qdeclarativedom.cpp +++ /dev/null @@ -1,1835 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). -** All rights reserved. -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the QtDeclarative 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 Technology Preview License Agreement accompanying -** this package. -** -** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package. -** -** If you have questions regarding the use of this file, please contact -** Nokia at qt-info@nokia.com. -** -** -** -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "private/qdeclarativedom_p.h" -#include "private/qdeclarativedom_p_p.h" - -#include "private/qdeclarativecompiler_p.h" -#include "private/qdeclarativeengine_p.h" -#include "private/qdeclarativescriptparser_p.h" -#include "private/qdeclarativeglobal_p.h" - -#include <QtCore/QByteArray> -#include <QtCore/QDebug> -#include <QtCore/QString> - -QT_BEGIN_NAMESPACE - -QDeclarativeDomDocumentPrivate::QDeclarativeDomDocumentPrivate() -: root(0) -{ -} - -QDeclarativeDomDocumentPrivate::~QDeclarativeDomDocumentPrivate() -{ - if (root) root->release(); -} - -/*! - \class QDeclarativeDomDocument - \internal - \brief The QDeclarativeDomDocument class represents the root of a QML document - - A QML document is a self-contained snippet of QML, usually contained in a - single file. Each document has a root object, accessible through - QDeclarativeDomDocument::rootObject(). - - The QDeclarativeDomDocument class allows the programmer to inspect a QML document by - calling QDeclarativeDomDocument::load(). - - The following example loads a QML file from disk, and prints out its root - object type and the properties assigned in the root object. - \code - QFile file(inputFileName); - file.open(QIODevice::ReadOnly); - QByteArray xmlData = file.readAll(); - - QDeclarativeDomDocument document; - document.load(qmlengine, xmlData); - - QDeclarativeDomObject rootObject = document.rootObject(); - qDebug() << rootObject.objectType(); - foreach(QDeclarativeDomProperty property, rootObject.properties()) - qDebug() << property.propertyName(); - \endcode -*/ - -/*! - Construct an empty QDeclarativeDomDocument. -*/ -QDeclarativeDomDocument::QDeclarativeDomDocument() -: d(new QDeclarativeDomDocumentPrivate) -{ -} - -/*! - Create a copy of \a other QDeclarativeDomDocument. -*/ -QDeclarativeDomDocument::QDeclarativeDomDocument(const QDeclarativeDomDocument &other) -: d(other.d) -{ -} - -/*! - Destroy the QDeclarativeDomDocument -*/ -QDeclarativeDomDocument::~QDeclarativeDomDocument() -{ -} - -/*! - Assign \a other to this QDeclarativeDomDocument. -*/ -QDeclarativeDomDocument &QDeclarativeDomDocument::operator=(const QDeclarativeDomDocument &other) -{ - d = other.d; - return *this; -} - -/*! - Returns all import statements in qml. -*/ -QList<QDeclarativeDomImport> QDeclarativeDomDocument::imports() const -{ - return d->imports; -} - -/*! - Loads a QDeclarativeDomDocument from \a data. \a data should be valid QML - data. On success, true is returned. If the \a data is malformed, false - is returned and QDeclarativeDomDocument::errors() contains an error description. - - \sa QDeclarativeDomDocument::loadError() -*/ -bool QDeclarativeDomDocument::load(QDeclarativeEngine *engine, const QByteArray &data, const QUrl &url) -{ - d->errors.clear(); - d->imports.clear(); - - QDeclarativeEnginePrivate *ep = QDeclarativeEnginePrivate::get(engine); - QDeclarativeTypeData *td = ep->typeLoader.get(data, url, QDeclarativeTypeLoader::PreserveParser); - - if(td->isError()) { - d->errors = td->errors(); - td->release(); - return false; - } else if(!td->isCompleteOrError()) { - QDeclarativeError error; - error.setDescription(QLatin1String("QDeclarativeDomDocument supports local types only")); - d->errors << error; - td->release(); - return false; - } - - for (int i = 0; i < td->parser().imports().size(); ++i) { - QDeclarativeScriptParser::Import parserImport = td->parser().imports().at(i); - QDeclarativeDomImport domImport; - domImport.d->type = static_cast<QDeclarativeDomImportPrivate::Type>(parserImport.type); - domImport.d->uri = parserImport.uri; - domImport.d->qualifier = parserImport.qualifier; - domImport.d->version = parserImport.version; - d->imports += domImport; - } - - if (td->parser().tree()) { - d->root = td->parser().tree(); - d->root->addref(); - } - - td->release(); - return true; -} - -/*! - Returns the last load errors. The load errors will be reset after a - successful call to load(). - - \sa load() -*/ -QList<QDeclarativeError> QDeclarativeDomDocument::errors() const -{ - return d->errors; -} - -/*! - Returns the document's root object, or an invalid QDeclarativeDomObject if the - document has no root. - - In the sample QML below, the root object will be the QDeclarativeItem type. - \qml -Item { - Text { - text: "Hello World" - } -} - \endqml -*/ -QDeclarativeDomObject QDeclarativeDomDocument::rootObject() const -{ - QDeclarativeDomObject rv; - rv.d->object = d->root; - if (rv.d->object) rv.d->object->addref(); - return rv; -} - -QDeclarativeDomPropertyPrivate::QDeclarativeDomPropertyPrivate() -: property(0) -{ -} - -QDeclarativeDomPropertyPrivate::~QDeclarativeDomPropertyPrivate() -{ - if (property) property->release(); -} - -QDeclarativeDomDynamicPropertyPrivate::QDeclarativeDomDynamicPropertyPrivate(): - valid(false) -{ -} - -QDeclarativeDomDynamicPropertyPrivate::~QDeclarativeDomDynamicPropertyPrivate() -{ - if (valid && property.defaultValue) property.defaultValue->release(); -} - -/*! - \class QDeclarativeDomProperty - \internal - \brief The QDeclarativeDomProperty class represents one property assignment in the - QML DOM tree - - Properties in QML can be assigned QML \l {QDeclarativeDomValue}{values}. - - \sa QDeclarativeDomObject -*/ - -/*! - Construct an invalid QDeclarativeDomProperty. -*/ -QDeclarativeDomProperty::QDeclarativeDomProperty() -: d(new QDeclarativeDomPropertyPrivate) -{ -} - -/*! - Create a copy of \a other QDeclarativeDomProperty. -*/ -QDeclarativeDomProperty::QDeclarativeDomProperty(const QDeclarativeDomProperty &other) -: d(other.d) -{ -} - -/*! - Destroy the QDeclarativeDomProperty. -*/ -QDeclarativeDomProperty::~QDeclarativeDomProperty() -{ -} - -/*! - Assign \a other to this QDeclarativeDomProperty. -*/ -QDeclarativeDomProperty &QDeclarativeDomProperty::operator=(const QDeclarativeDomProperty &other) -{ - d = other.d; - return *this; -} - -/*! - Returns true if this is a valid QDeclarativeDomProperty, false otherwise. -*/ -bool QDeclarativeDomProperty::isValid() const -{ - return d->property != 0; -} - - -/*! - Return the name of this property. - - \qml -Text { - x: 10 - y: 10 - font.bold: true -} - \endqml - - As illustrated above, a property name can be a simple string, such as "x" or - "y", or a more complex "dot property", such as "font.bold". In both cases - the full name is returned ("x", "y" and "font.bold") by this method. - - For dot properties, a split version of the name can be accessed by calling - QDeclarativeDomProperty::propertyNameParts(). - - \sa QDeclarativeDomProperty::propertyNameParts() -*/ -QByteArray QDeclarativeDomProperty::propertyName() const -{ - return d->propertyName; -} - -/*! - Return the name of this property, split into multiple parts in the case - of dot properties. - - \qml -Text { - x: 10 - y: 10 - font.bold: true -} - \endqml - - For each of the properties shown above, this method would return ("x"), - ("y") and ("font", "bold"). - - \sa QDeclarativeDomProperty::propertyName() -*/ -QList<QByteArray> QDeclarativeDomProperty::propertyNameParts() const -{ - if (d->propertyName.isEmpty()) return QList<QByteArray>(); - else return d->propertyName.split('.'); -} - -/*! - Return true if this property is used as a default property in the QML - document. - - \code -<Text text="hello"/> -<Text>hello</Text> - \endcode - - The above two examples return the same DOM tree, except that the second has - the default property flag set on the text property. Observe that whether - or not a property has isDefaultProperty set is determined by how the - property is used, and not only by whether the property is the types default - property. -*/ -bool QDeclarativeDomProperty::isDefaultProperty() const -{ - return d->property && d->property->isDefault; -} - -/*! - Returns the QDeclarativeDomValue that is assigned to this property, or an invalid - QDeclarativeDomValue if no value is assigned. -*/ -QDeclarativeDomValue QDeclarativeDomProperty::value() const -{ - QDeclarativeDomValue rv; - if (d->property) { - rv.d->property = d->property; - if (d->property->values.count()) - rv.d->value = d->property->values.at(0); - else - rv.d->value = d->property->onValues.at(0); - rv.d->property->addref(); - rv.d->value->addref(); - } - return rv; -} - -/*! - Returns the position in the input data where the property ID startd, or -1 if - the property is invalid. -*/ -int QDeclarativeDomProperty::position() const -{ - if (d && d->property) { - return d->property->location.range.offset; - } else - return -1; -} - -/*! - Returns the length in the input data from where the property ID started upto - the end of it, or -1 if the property is invalid. -*/ -int QDeclarativeDomProperty::length() const -{ - if (d && d->property) - return d->property->location.range.length; - else - return -1; -} - -/*! - Construct an invalid QDeclarativeDomDynamicProperty. -*/ -QDeclarativeDomDynamicProperty::QDeclarativeDomDynamicProperty(): - d(new QDeclarativeDomDynamicPropertyPrivate) -{ -} - -/*! - Create a copy of \a other QDeclarativeDomDynamicProperty. -*/ -QDeclarativeDomDynamicProperty::QDeclarativeDomDynamicProperty(const QDeclarativeDomDynamicProperty &other): - d(other.d) -{ -} - -/*! - Destroy the QDeclarativeDomDynamicProperty. -*/ -QDeclarativeDomDynamicProperty::~QDeclarativeDomDynamicProperty() -{ -} - -/*! - Assign \a other to this QDeclarativeDomDynamicProperty. -*/ -QDeclarativeDomDynamicProperty &QDeclarativeDomDynamicProperty::operator=(const QDeclarativeDomDynamicProperty &other) -{ - d = other.d; - return *this; -} - -bool QDeclarativeDomDynamicProperty::isValid() const -{ - return d && d->valid; -} - -/*! - Return the name of this dynamic property. - - \qml -Item { - property int count: 10; -} - \endqml - - As illustrated above, a dynamic property name can have a name and a - default value ("10"). -*/ -QByteArray QDeclarativeDomDynamicProperty::propertyName() const -{ - if (isValid()) - return d->property.name; - else - return QByteArray(); -} - -/*! - Returns the type of the dynamic property. Note that when the property is an - alias property, this will return -1. Use QDeclarativeDomProperty::isAlias() to check - if the property is an alias. -*/ -int QDeclarativeDomDynamicProperty::propertyType() const -{ - if (isValid()) { - switch (d->property.type) { - case QDeclarativeParser::Object::DynamicProperty::Bool: - return QMetaType::type("bool"); - - case QDeclarativeParser::Object::DynamicProperty::Color: - return QMetaType::type("QColor"); - - case QDeclarativeParser::Object::DynamicProperty::Time: - return QMetaType::type("QTime"); - - case QDeclarativeParser::Object::DynamicProperty::Date: - return QMetaType::type("QDate"); - - case QDeclarativeParser::Object::DynamicProperty::DateTime: - return QMetaType::type("QDateTime"); - - case QDeclarativeParser::Object::DynamicProperty::Int: - return QMetaType::type("int"); - - case QDeclarativeParser::Object::DynamicProperty::Real: - return sizeof(qreal) == sizeof(double) ? QMetaType::type("double") : QMetaType::type("float"); - - case QDeclarativeParser::Object::DynamicProperty::String: - return QMetaType::type("QString"); - - case QDeclarativeParser::Object::DynamicProperty::Url: - return QMetaType::type("QUrl"); - - case QDeclarativeParser::Object::DynamicProperty::Variant: - return QMetaType::type("QVariant"); - - default: - break; - } - } - - return -1; -} - -QByteArray QDeclarativeDomDynamicProperty::propertyTypeName() const -{ - if (isValid()) - return d->property.customType; - - return QByteArray(); -} - -/*! - Return true if this property is used as a default property in the QML - document. - - \code -<Text text="hello"/> -<Text>hello</Text> - \endcode - - The above two examples return the same DOM tree, except that the second has - the default property flag set on the text property. Observe that whether - or not a property has isDefaultProperty set is determined by how the - property is used, and not only by whether the property is the types default - property. -*/ -bool QDeclarativeDomDynamicProperty::isDefaultProperty() const -{ - if (isValid()) - return d->property.isDefaultProperty; - else - return false; -} - -/*! - Returns the default value as a QDeclarativeDomProperty. -*/ -QDeclarativeDomProperty QDeclarativeDomDynamicProperty::defaultValue() const -{ - QDeclarativeDomProperty rp; - - if (isValid() && d->property.defaultValue) { - rp.d->property = d->property.defaultValue; - rp.d->propertyName = propertyName(); - rp.d->property->addref(); - } - - return rp; -} - -/*! - Returns true if this dynamic property is an alias for another property, - false otherwise. -*/ -bool QDeclarativeDomDynamicProperty::isAlias() const -{ - if (isValid()) - return d->property.type == QDeclarativeParser::Object::DynamicProperty::Alias; - else - return false; -} - -/*! - Returns the position in the input data where the property ID startd, or 0 if - the property is invalid. -*/ -int QDeclarativeDomDynamicProperty::position() const -{ - if (isValid()) { - return d->property.location.range.offset; - } else - return -1; -} - -/*! - Returns the length in the input data from where the property ID started upto - the end of it, or 0 if the property is invalid. -*/ -int QDeclarativeDomDynamicProperty::length() const -{ - if (isValid()) - return d->property.location.range.length; - else - return -1; -} - -QDeclarativeDomObjectPrivate::QDeclarativeDomObjectPrivate() -: object(0) -{ -} - -QDeclarativeDomObjectPrivate::~QDeclarativeDomObjectPrivate() -{ - if (object) object->release(); -} - -QDeclarativeDomObjectPrivate::Properties -QDeclarativeDomObjectPrivate::properties() const -{ - Properties rv; - - for (QHash<QByteArray, QDeclarativeParser::Property *>::ConstIterator iter = - object->properties.begin(); - iter != object->properties.end(); - ++iter) { - - rv << properties(*iter); - - } - return rv; -} - -QDeclarativeDomObjectPrivate::Properties -QDeclarativeDomObjectPrivate::properties(QDeclarativeParser::Property *property) const -{ - Properties rv; - - if (property->value) { - - for (QHash<QByteArray, QDeclarativeParser::Property *>::ConstIterator iter = - property->value->properties.begin(); - iter != property->value->properties.end(); - ++iter) { - - rv << properties(*iter); - - } - - QByteArray name(property->name + '.'); - for (Properties::Iterator iter = rv.begin(); iter != rv.end(); ++iter) - iter->second.prepend(name); - - } else { - rv << qMakePair(property, property->name); - } - - return rv; -} - -/*! - \class QDeclarativeDomObject - \internal - \brief The QDeclarativeDomObject class represents an object instantiation. - - Each object instantiated in a QML file has a corresponding QDeclarativeDomObject - node in the QML DOM. - - In addition to the type information that determines the object to - instantiate, QDeclarativeDomObject's also have a set of associated QDeclarativeDomProperty's. - Each QDeclarativeDomProperty represents a QML property assignment on the instantiated - object. For example, - - \qml -QGraphicsWidget { - opacity: 0.5 - size: "100x100" -} - \endqml - - describes a single QDeclarativeDomObject - "QGraphicsWidget" - with two properties, - "opacity" and "size". Obviously QGraphicsWidget has many more properties than just - these two, but the QML DOM representation only contains those assigned - values (or bindings) in the QML file. -*/ - -/*! - Construct an invalid QDeclarativeDomObject. -*/ -QDeclarativeDomObject::QDeclarativeDomObject() -: d(new QDeclarativeDomObjectPrivate) -{ -} - -/*! - Create a copy of \a other QDeclarativeDomObject. -*/ -QDeclarativeDomObject::QDeclarativeDomObject(const QDeclarativeDomObject &other) -: d(other.d) -{ -} - -/*! - Destroy the QDeclarativeDomObject. -*/ -QDeclarativeDomObject::~QDeclarativeDomObject() -{ -} - -/*! - Assign \a other to this QDeclarativeDomObject. -*/ -QDeclarativeDomObject &QDeclarativeDomObject::operator=(const QDeclarativeDomObject &other) -{ - d = other.d; - return *this; -} - -/*! - Returns true if this is a valid QDeclarativeDomObject, false otherwise. -*/ -bool QDeclarativeDomObject::isValid() const -{ - return d->object != 0; -} - -/*! - Returns the fully-qualified type name of this object. - - For example, the type of this object would be "Qt/4.6/Rectangle". - \qml -Rectangle { } - \endqml -*/ -QByteArray QDeclarativeDomObject::objectType() const -{ - if (d->object) return d->object->typeName; - else return QByteArray(); -} - -/*! - Returns the type name as referenced in the qml file. - - For example, the type of this object would be "Rectangle". - \qml -Rectangle { } - \endqml -*/ -QByteArray QDeclarativeDomObject::objectClassName() const -{ - if (d->object) - return d->object->className; - else - return QByteArray(); -} - -int QDeclarativeDomObject::objectTypeMajorVersion() const -{ - if (d->object) - return d->object->majorVersion; - else - return -1; -} - -int QDeclarativeDomObject::objectTypeMinorVersion() const -{ - if (d->object) - return d->object->minorVersion; - else - return -1; -} - -/*! - Returns the QML id assigned to this object, or an empty QByteArray if no id - has been assigned. - - For example, the object id of this object would be "MyText". - \qml -Text { id: myText } - \endqml -*/ -QString QDeclarativeDomObject::objectId() const -{ - if (d->object) { - return d->object->id; - } else { - return QString(); - } -} - -/*! - Returns the list of assigned properties on this object. - - In the following example, "text" and "x" properties would be returned. - \qml -Text { - text: "Hello world!" - x: 100 -} - \endqml -*/ -QList<QDeclarativeDomProperty> QDeclarativeDomObject::properties() const -{ - QList<QDeclarativeDomProperty> rv; - - if (!d->object || isComponent()) - return rv; - - QDeclarativeDomObjectPrivate::Properties properties = d->properties(); - for (int ii = 0; ii < properties.count(); ++ii) { - - QDeclarativeDomProperty domProperty; - domProperty.d->property = properties.at(ii).first; - domProperty.d->property->addref(); - domProperty.d->propertyName = properties.at(ii).second; - rv << domProperty; - - } - - if (d->object->defaultProperty) { - QDeclarativeDomProperty domProperty; - domProperty.d->property = d->object->defaultProperty; - domProperty.d->property->addref(); - domProperty.d->propertyName = d->object->defaultProperty->name; - rv << domProperty; - } - - return rv; -} - -/*! - Returns the object's \a name property if a value has been assigned to - it, or an invalid QDeclarativeDomProperty otherwise. - - In the example below, \c {object.property("source")} would return a valid - QDeclarativeDomProperty, and \c {object.property("tile")} an invalid QDeclarativeDomProperty. - - \qml -Image { source: "sample.jpg" } - \endqml -*/ -QDeclarativeDomProperty QDeclarativeDomObject::property(const QByteArray &name) const -{ - QList<QDeclarativeDomProperty> props = properties(); - for (int ii = 0; ii < props.count(); ++ii) - if (props.at(ii).propertyName() == name) - return props.at(ii); - return QDeclarativeDomProperty(); -} - -QList<QDeclarativeDomDynamicProperty> QDeclarativeDomObject::dynamicProperties() const -{ - QList<QDeclarativeDomDynamicProperty> properties; - - for (int i = 0; i < d->object->dynamicProperties.size(); ++i) { - QDeclarativeDomDynamicProperty p; - p.d = new QDeclarativeDomDynamicPropertyPrivate; - p.d->property = d->object->dynamicProperties.at(i); - p.d->valid = true; - - if (p.d->property.defaultValue) - p.d->property.defaultValue->addref(); - - properties.append(p); - } - - return properties; -} - -QDeclarativeDomDynamicProperty QDeclarativeDomObject::dynamicProperty(const QByteArray &name) const -{ - QDeclarativeDomDynamicProperty p; - - if (!isValid()) - return p; - - for (int i = 0; i < d->object->dynamicProperties.size(); ++i) { - if (d->object->dynamicProperties.at(i).name == name) { - p.d = new QDeclarativeDomDynamicPropertyPrivate; - p.d->property = d->object->dynamicProperties.at(i); - if (p.d->property.defaultValue) p.d->property.defaultValue->addref(); - p.d->valid = true; - } - } - - return p; -} - -/*! - Returns true if this object is a custom type. Custom types are special - types that allow embeddeding non-QML data, such as SVG or HTML data, - directly into QML files. - - \note Currently this method will always return false, and is a placekeeper - for future functionality. - - \sa QDeclarativeDomObject::customTypeData() -*/ -bool QDeclarativeDomObject::isCustomType() const -{ - return false; -} - -/*! - If this object represents a custom type, returns the data associated with - the custom type, otherwise returns an empty QByteArray(). - QDeclarativeDomObject::isCustomType() can be used to check if this object represents - a custom type. -*/ -QByteArray QDeclarativeDomObject::customTypeData() const -{ - return QByteArray(); -} - -/*! - Returns true if this object is a sub-component object. Sub-component - objects can be converted into QDeclarativeDomComponent instances by calling - QDeclarativeDomObject::toComponent(). - - \sa QDeclarativeDomObject::toComponent() -*/ -bool QDeclarativeDomObject::isComponent() const -{ - return (d->object && (d->object->typeName == "Qt/Component" || d->object->typeName == "QtQuick/Component")); -} - -/*! - Returns a QDeclarativeDomComponent for this object if it is a sub-component, or - an invalid QDeclarativeDomComponent if not. QDeclarativeDomObject::isComponent() can be used - to check if this object represents a sub-component. - - \sa QDeclarativeDomObject::isComponent() -*/ -QDeclarativeDomComponent QDeclarativeDomObject::toComponent() const -{ - QDeclarativeDomComponent rv; - if (isComponent()) - rv.d = d; - return rv; -} - -/*! - Returns the position in the input data where the property assignment started -, or -1 if the property is invalid. -*/ -int QDeclarativeDomObject::position() const -{ - if (d && d->object) - return d->object->location.range.offset; - else - return -1; -} - -/*! - Returns the length in the input data from where the property assignment star -ted upto the end of it, or -1 if the property is invalid. -*/ -int QDeclarativeDomObject::length() const -{ - if (d && d->object) - return d->object->location.range.length; - else - return -1; -} - -// Returns the URL of the type, if it is an external type, or an empty URL if -// not -QUrl QDeclarativeDomObject::url() const -{ - if (d && d->object) - return d->object->url; - else - return QUrl(); -} - -QDeclarativeDomBasicValuePrivate::QDeclarativeDomBasicValuePrivate() -: value(0) -{ -} - -QDeclarativeDomBasicValuePrivate::~QDeclarativeDomBasicValuePrivate() -{ - if (value) value->release(); -} - -/*! - \class QDeclarativeDomValueLiteral - \internal - \brief The QDeclarativeDomValueLiteral class represents a literal value. - - A literal value is a simple value, written inline with the QML. In the - example below, the "x", "y" and "color" properties are being assigned - literal values. - - \qml -Rectangle { - x: 10 - y: 10 - color: "red" -} - \endqml -*/ - -/*! - Construct an empty QDeclarativeDomValueLiteral. -*/ -QDeclarativeDomValueLiteral::QDeclarativeDomValueLiteral(): - d(new QDeclarativeDomBasicValuePrivate) -{ -} - -/*! - Create a copy of \a other QDeclarativeDomValueLiteral. -*/ -QDeclarativeDomValueLiteral::QDeclarativeDomValueLiteral(const QDeclarativeDomValueLiteral &other) -: d(other.d) -{ -} - -/*! - Destroy the QDeclarativeDomValueLiteral. -*/ -QDeclarativeDomValueLiteral::~QDeclarativeDomValueLiteral() -{ -} - -/*! - Assign \a other to this QDeclarativeDomValueLiteral. -*/ -QDeclarativeDomValueLiteral &QDeclarativeDomValueLiteral::operator=(const QDeclarativeDomValueLiteral &other) -{ - d = other.d; - return *this; -} - -/*! - Return the literal value. - - In the example below, the literal value will be the string "10". - \qml -Rectangle { x: 10 } - \endqml -*/ -QString QDeclarativeDomValueLiteral::literal() const -{ - if (d->value) return d->value->primitive(); - else return QString(); -} - -/*! - \class QDeclarativeDomValueBinding - \internal - \brief The QDeclarativeDomValueBinding class represents a property binding. - - A property binding is an ECMAScript expression assigned to a property. In - the example below, the "x" property is being assigned a property binding. - - \qml -Rectangle { x: Other.x } - \endqml -*/ - -/*! - Construct an empty QDeclarativeDomValueBinding. -*/ -QDeclarativeDomValueBinding::QDeclarativeDomValueBinding(): - d(new QDeclarativeDomBasicValuePrivate) -{ -} - -/*! - Create a copy of \a other QDeclarativeDomValueBinding. -*/ -QDeclarativeDomValueBinding::QDeclarativeDomValueBinding(const QDeclarativeDomValueBinding &other) -: d(other.d) -{ -} - -/*! - Destroy the QDeclarativeDomValueBinding. -*/ -QDeclarativeDomValueBinding::~QDeclarativeDomValueBinding() -{ -} - -/*! - Assign \a other to this QDeclarativeDomValueBinding. -*/ -QDeclarativeDomValueBinding &QDeclarativeDomValueBinding::operator=(const QDeclarativeDomValueBinding &other) -{ - d = other.d; - return *this; -} - -/*! - Return the binding expression. - - In the example below, the string "Other.x" will be returned. - \qml -Rectangle { x: Other.x } - \endqml -*/ -QString QDeclarativeDomValueBinding::binding() const -{ - if (d->value) - return d->value->value.asScript(); - else - return QString(); -} - -/*! - \class QDeclarativeDomValueValueSource - \internal - \brief The QDeclarativeDomValueValueSource class represents a value source assignment value. - - In QML, value sources are special value generating types that may be - assigned to properties. Value sources inherit the QDeclarativePropertyValueSource - class. In the example below, the "x" property is being assigned the - NumberAnimation value source. - - \qml -Rectangle { - x: NumberAnimation { - from: 0 - to: 100 - loops: Animation.Infinite - } -} - \endqml -*/ - -/*! - Construct an empty QDeclarativeDomValueValueSource. -*/ -QDeclarativeDomValueValueSource::QDeclarativeDomValueValueSource(): - d(new QDeclarativeDomBasicValuePrivate) -{ -} - -/*! - Create a copy of \a other QDeclarativeDomValueValueSource. -*/ -QDeclarativeDomValueValueSource::QDeclarativeDomValueValueSource(const QDeclarativeDomValueValueSource &other) -: d(other.d) -{ -} - -/*! - Destroy the QDeclarativeDomValueValueSource. -*/ -QDeclarativeDomValueValueSource::~QDeclarativeDomValueValueSource() -{ -} - -/*! - Assign \a other to this QDeclarativeDomValueValueSource. -*/ -QDeclarativeDomValueValueSource &QDeclarativeDomValueValueSource::operator=(const QDeclarativeDomValueValueSource &other) -{ - d = other.d; - return *this; -} - -/*! - Return the value source object. - - In the example below, an object representing the NumberAnimation will be - returned. - \qml -Rectangle { - x: NumberAnimation { - from: 0 - to: 100 - loops: Animation.Infinite - } -} - \endqml -*/ -QDeclarativeDomObject QDeclarativeDomValueValueSource::object() const -{ - QDeclarativeDomObject rv; - if (d->value) { - rv.d->object = d->value->object; - rv.d->object->addref(); - } - return rv; -} - -/*! - \class QDeclarativeDomValueValueInterceptor - \internal - \brief The QDeclarativeDomValueValueInterceptor class represents a value interceptor assignment value. - - In QML, value interceptor are special write-intercepting types that may be - assigned to properties. Value interceptor inherit the QDeclarativePropertyValueInterceptor - class. In the example below, the "x" property is being assigned the - Behavior value interceptor. - - \qml -Rectangle { - Behavior on x { NumberAnimation { duration: 500 } } -} - \endqml -*/ - -/*! - Construct an empty QDeclarativeDomValueValueInterceptor. -*/ -QDeclarativeDomValueValueInterceptor::QDeclarativeDomValueValueInterceptor(): - d(new QDeclarativeDomBasicValuePrivate) -{ -} - -/*! - Create a copy of \a other QDeclarativeDomValueValueInterceptor. -*/ -QDeclarativeDomValueValueInterceptor::QDeclarativeDomValueValueInterceptor(const QDeclarativeDomValueValueInterceptor &other) -: d(other.d) -{ -} - -/*! - Destroy the QDeclarativeDomValueValueInterceptor. -*/ -QDeclarativeDomValueValueInterceptor::~QDeclarativeDomValueValueInterceptor() -{ -} - -/*! - Assign \a other to this QDeclarativeDomValueValueInterceptor. -*/ -QDeclarativeDomValueValueInterceptor &QDeclarativeDomValueValueInterceptor::operator=(const QDeclarativeDomValueValueInterceptor &other) -{ - d = other.d; - return *this; -} - -/*! - Return the value interceptor object. - - In the example below, an object representing the Behavior will be - returned. - \qml -Rectangle { - Behavior on x { NumberAnimation { duration: 500 } } -} - \endqml -*/ -QDeclarativeDomObject QDeclarativeDomValueValueInterceptor::object() const -{ - QDeclarativeDomObject rv; - if (d->value) { - rv.d->object = d->value->object; - rv.d->object->addref(); - } - return rv; -} - -QDeclarativeDomValuePrivate::QDeclarativeDomValuePrivate() -: property(0), value(0) -{ -} - -QDeclarativeDomValuePrivate::~QDeclarativeDomValuePrivate() -{ - if (property) property->release(); - if (value) value->release(); -} - -/*! - \class QDeclarativeDomValue - \internal - \brief The QDeclarativeDomValue class represents a generic Qml value. - - QDeclarativeDomValue's can be assigned to QML \l {QDeclarativeDomProperty}{properties}. In - QML, properties can be assigned various different values, including basic - literals, property bindings, property value sources, objects and lists of - values. The QDeclarativeDomValue class allows a programmer to determine the specific - value type being assigned and access more detailed information through a - corresponding value type class. - - For example, in the following example, - - \qml -Text { - text: "Hello World!" - y: Other.y -} - \endqml - - The text property is being assigned a literal, and the y property a property - binding. To output the values assigned to the text and y properties in the - above example from C++, - - \code - QDeclarativeDomDocument document; - QDeclarativeDomObject root = document.rootObject(); - - QDeclarativeDomProperty text = root.property("text"); - if (text.value().isLiteral()) { - QDeclarativeDomValueLiteral literal = text.value().toLiteral(); - qDebug() << literal.literal(); - } - - QDeclarativeDomProperty y = root.property("y"); - if (y.value().isBinding()) { - QDeclarativeDomValueBinding binding = y.value().toBinding(); - qDebug() << binding.binding(); - } - \endcode -*/ - -/*! - Construct an invalid QDeclarativeDomValue. -*/ -QDeclarativeDomValue::QDeclarativeDomValue() -: d(new QDeclarativeDomValuePrivate) -{ -} - -/*! - Create a copy of \a other QDeclarativeDomValue. -*/ -QDeclarativeDomValue::QDeclarativeDomValue(const QDeclarativeDomValue &other) -: d(other.d) -{ -} - -/*! - Destroy the QDeclarativeDomValue -*/ -QDeclarativeDomValue::~QDeclarativeDomValue() -{ -} - -/*! - Assign \a other to this QDeclarativeDomValue. -*/ -QDeclarativeDomValue &QDeclarativeDomValue::operator=(const QDeclarativeDomValue &other) -{ - d = other.d; - return *this; -} - -/*! - \enum QDeclarativeDomValue::Type - - The type of the QDeclarativeDomValue node. - - \value Invalid The QDeclarativeDomValue is invalid. - \value Literal The QDeclarativeDomValue is a literal value assignment. Use QDeclarativeDomValue::toLiteral() to access the type instance. - \value PropertyBinding The QDeclarativeDomValue is a property binding. Use QDeclarativeDomValue::toBinding() to access the type instance. - \value ValueSource The QDeclarativeDomValue is a property value source. Use QDeclarativeDomValue::toValueSource() to access the type instance. - \value ValueInterceptor The QDeclarativeDomValue is a property value interceptor. Use QDeclarativeDomValue::toValueInterceptor() to access the type instance. - \value Object The QDeclarativeDomValue is an object assignment. Use QDeclarativeDomValue::toObject() to access the type instnace. - \value List The QDeclarativeDomValue is a list of other values. Use QDeclarativeDomValue::toList() to access the type instance. -*/ - -/*! - Returns the type of this QDeclarativeDomValue. -*/ -QDeclarativeDomValue::Type QDeclarativeDomValue::type() const -{ - if (d->property) - if (QDeclarativeMetaType::isList(d->property->type) || - (d->property && (d->property->values.count() + d->property->onValues.count()) > 1)) - return List; - - QDeclarativeParser::Value *value = d->value; - if (!value && !d->property) - return Invalid; - - switch(value->type) { - case QDeclarativeParser::Value::Unknown: - return Invalid; - case QDeclarativeParser::Value::Literal: - return Literal; - case QDeclarativeParser::Value::PropertyBinding: - return PropertyBinding; - case QDeclarativeParser::Value::ValueSource: - return ValueSource; - case QDeclarativeParser::Value::ValueInterceptor: - return ValueInterceptor; - case QDeclarativeParser::Value::CreatedObject: - return Object; - case QDeclarativeParser::Value::SignalObject: - return Invalid; - case QDeclarativeParser::Value::SignalExpression: - return Literal; - case QDeclarativeParser::Value::Id: - return Literal; - } - return Invalid; -} - -/*! - Returns true if this is an invalid value, otherwise false. -*/ -bool QDeclarativeDomValue::isInvalid() const -{ - return type() == Invalid; -} - -/*! - Returns true if this is a literal value, otherwise false. -*/ -bool QDeclarativeDomValue::isLiteral() const -{ - return type() == Literal; -} - -/*! - Returns true if this is a property binding value, otherwise false. -*/ -bool QDeclarativeDomValue::isBinding() const -{ - return type() == PropertyBinding; -} - -/*! - Returns true if this is a value source value, otherwise false. -*/ -bool QDeclarativeDomValue::isValueSource() const -{ - return type() == ValueSource; -} - -/*! - Returns true if this is a value interceptor value, otherwise false. -*/ -bool QDeclarativeDomValue::isValueInterceptor() const -{ - return type() == ValueInterceptor; -} - -/*! - Returns true if this is an object value, otherwise false. -*/ -bool QDeclarativeDomValue::isObject() const -{ - return type() == Object; -} - -/*! - Returns true if this is a list value, otherwise false. -*/ -bool QDeclarativeDomValue::isList() const -{ - return type() == List; -} - -/*! - Returns a QDeclarativeDomValueLiteral if this value is a literal type, otherwise - returns an invalid QDeclarativeDomValueLiteral. - - \sa QDeclarativeDomValue::type() -*/ -QDeclarativeDomValueLiteral QDeclarativeDomValue::toLiteral() const -{ - QDeclarativeDomValueLiteral rv; - if (type() == Literal) { - rv.d->value = d->value; - rv.d->value->addref(); - } - return rv; -} - -/*! - Returns a QDeclarativeDomValueBinding if this value is a property binding type, - otherwise returns an invalid QDeclarativeDomValueBinding. - - \sa QDeclarativeDomValue::type() -*/ -QDeclarativeDomValueBinding QDeclarativeDomValue::toBinding() const -{ - QDeclarativeDomValueBinding rv; - if (type() == PropertyBinding) { - rv.d->value = d->value; - rv.d->value->addref(); - } - return rv; -} - -/*! - Returns a QDeclarativeDomValueValueSource if this value is a property value source - type, otherwise returns an invalid QDeclarativeDomValueValueSource. - - \sa QDeclarativeDomValue::type() -*/ -QDeclarativeDomValueValueSource QDeclarativeDomValue::toValueSource() const -{ - QDeclarativeDomValueValueSource rv; - if (type() == ValueSource) { - rv.d->value = d->value; - rv.d->value->addref(); - } - return rv; -} - -/*! - Returns a QDeclarativeDomValueValueInterceptor if this value is a property value interceptor - type, otherwise returns an invalid QDeclarativeDomValueValueInterceptor. - - \sa QDeclarativeDomValue::type() -*/ -QDeclarativeDomValueValueInterceptor QDeclarativeDomValue::toValueInterceptor() const -{ - QDeclarativeDomValueValueInterceptor rv; - if (type() == ValueInterceptor) { - rv.d->value = d->value; - rv.d->value->addref(); - } - return rv; -} - -/*! - Returns a QDeclarativeDomObject if this value is an object assignment type, otherwise - returns an invalid QDeclarativeDomObject. - - \sa QDeclarativeDomValue::type() -*/ -QDeclarativeDomObject QDeclarativeDomValue::toObject() const -{ - QDeclarativeDomObject rv; - if (type() == Object) { - rv.d->object = d->value->object; - rv.d->object->addref(); - } - return rv; -} - -/*! - Returns a QDeclarativeDomList if this value is a list type, otherwise returns an - invalid QDeclarativeDomList. - - \sa QDeclarativeDomValue::type() -*/ -QDeclarativeDomList QDeclarativeDomValue::toList() const -{ - QDeclarativeDomList rv; - if (type() == List) { - rv.d = d; - } - return rv; -} - -/*! - Returns the position in the input data where the property value startd, or -1 - if the value is invalid. -*/ -int QDeclarativeDomValue::position() const -{ - if (type() == Invalid) - return -1; - else - return d->value->location.range.offset; -} - -/*! - Returns the length in the input data from where the property value started u -pto the end of it, or -1 if the value is invalid. -*/ -int QDeclarativeDomValue::length() const -{ - if (type() == Invalid) - return -1; - else - return d->value->location.range.length; -} - -/*! - \class QDeclarativeDomList - \internal - \brief The QDeclarativeDomList class represents a list of values assigned to a QML property. - - Lists of values can be assigned to properties. For example, the following - example assigns multiple objects to Item's "children" property - \qml -Item { - children: [ - Text { }, - Rectangle { } - ] -} - \endqml - - Lists can also be implicitly created by assigning multiple - \l {QDeclarativeDomValueValueSource}{value sources} or constants to a property. - \qml -Item { - x: 10 - x: NumberAnimation { - running: false - from: 0 - to: 100 - } -} - \endqml -*/ - -/*! - Construct an empty QDeclarativeDomList. -*/ -QDeclarativeDomList::QDeclarativeDomList() -{ -} - -/*! - Create a copy of \a other QDeclarativeDomList. -*/ -QDeclarativeDomList::QDeclarativeDomList(const QDeclarativeDomList &other) -: d(other.d) -{ -} - -/*! - Destroy the QDeclarativeDomList. -*/ -QDeclarativeDomList::~QDeclarativeDomList() -{ -} - -/*! - Assign \a other to this QDeclarativeDomList. -*/ -QDeclarativeDomList &QDeclarativeDomList::operator=(const QDeclarativeDomList &other) -{ - d = other.d; - return *this; -} - -/*! - Returns the list of QDeclarativeDomValue's. -*/ -QList<QDeclarativeDomValue> QDeclarativeDomList::values() const -{ - QList<QDeclarativeDomValue> rv; - if (!d->property) - return rv; - - for (int ii = 0; ii < d->property->values.count(); ++ii) { - QDeclarativeDomValue v; - v.d->value = d->property->values.at(ii); - v.d->value->addref(); - rv << v; - } - - for (int ii = 0; ii < d->property->onValues.count(); ++ii) { - QDeclarativeDomValue v; - v.d->value = d->property->onValues.at(ii); - v.d->value->addref(); - rv << v; - } - - return rv; -} - -/*! - Returns the position in the input data where the list started, or -1 if - the property is invalid. -*/ -int QDeclarativeDomList::position() const -{ - if (d && d->property) { - return d->property->listValueRange.offset; - } else - return -1; -} - -/*! - Returns the length in the input data from where the list started upto - the end of it, or 0 if the property is invalid. -*/ -int QDeclarativeDomList::length() const -{ - if (d && d->property) - return d->property->listValueRange.length; - else - return -1; -} - -/*! - Returns a list of positions of the commas in the QML file. -*/ -QList<int> QDeclarativeDomList:: commaPositions() const -{ - if (d && d->property) - return d->property->listCommaPositions; - else - return QList<int>(); -} - -/*! - \class QDeclarativeDomComponent - \internal - \brief The QDeclarativeDomComponent class represents sub-component within a QML document. - - Sub-components are QDeclarativeComponents defined within a QML document. The - following example shows the definition of a sub-component with the id - "listDelegate". - - \qml -Item { - Component { - id: listDelegate - Text { - text: modelData.text - } - } -} - \endqml - - Like QDeclarativeDomDocument's, components contain a single root object. -*/ - -/*! - Construct an empty QDeclarativeDomComponent. -*/ -QDeclarativeDomComponent::QDeclarativeDomComponent() -{ -} - -/*! - Create a copy of \a other QDeclarativeDomComponent. -*/ -QDeclarativeDomComponent::QDeclarativeDomComponent(const QDeclarativeDomComponent &other) -: QDeclarativeDomObject(other) -{ -} - -/*! - Destroy the QDeclarativeDomComponent. -*/ -QDeclarativeDomComponent::~QDeclarativeDomComponent() -{ -} - -/*! - Assign \a other to this QDeclarativeDomComponent. -*/ -QDeclarativeDomComponent &QDeclarativeDomComponent::operator=(const QDeclarativeDomComponent &other) -{ - static_cast<QDeclarativeDomObject &>(*this) = other; - return *this; -} - -/*! - Returns the component's root object. - - In the example below, the root object is the "Text" object. - \qml -Item { - Component { - id: listDelegate - Text { - text: modelData.text - } - } -} - \endqml -*/ -QDeclarativeDomObject QDeclarativeDomComponent::componentRoot() const -{ - QDeclarativeDomObject rv; - if (d->object) { - QDeclarativeParser::Object *obj = 0; - if (d->object->defaultProperty && - d->object->defaultProperty->values.count() == 1 && - d->object->defaultProperty->values.at(0)->object) - obj = d->object->defaultProperty->values.at(0)->object; - - if (obj) { - rv.d->object = obj; - rv.d->object->addref(); - } - } - - return rv; -} - -QDeclarativeDomImportPrivate::QDeclarativeDomImportPrivate() -: type(File) -{ -} - -QDeclarativeDomImportPrivate::~QDeclarativeDomImportPrivate() -{ -} - -/*! - \class QDeclarativeDomImport - \internal - \brief The QDeclarativeDomImport class represents an import statement. -*/ - -/*! - Construct an empty QDeclarativeDomImport. -*/ -QDeclarativeDomImport::QDeclarativeDomImport() -: d(new QDeclarativeDomImportPrivate) -{ -} - -/*! - Create a copy of \a other QDeclarativeDomImport. -*/ -QDeclarativeDomImport::QDeclarativeDomImport(const QDeclarativeDomImport &other) -: d(other.d) -{ -} - -/*! - Destroy the QDeclarativeDomImport. -*/ -QDeclarativeDomImport::~QDeclarativeDomImport() -{ -} - -/*! - Assign \a other to this QDeclarativeDomImport. -*/ -QDeclarativeDomImport &QDeclarativeDomImport::operator=(const QDeclarativeDomImport &other) -{ - d = other.d; - return *this; -} - -/*! - Returns the type of the import. - */ -QDeclarativeDomImport::Type QDeclarativeDomImport::type() const -{ - return static_cast<QDeclarativeDomImport::Type>(d->type); -} - -/*! - Returns the URI of the import (e.g. 'subdir' or 'com.nokia.Qt') - */ -QString QDeclarativeDomImport::uri() const -{ - return d->uri; -} - -/*! - Returns the version specified by the import. An empty string if no version was specified. - */ -QString QDeclarativeDomImport::version() const -{ - return d->version; -} - -/*! - Returns the (optional) qualifier string (the token following the 'as' keyword) of the import. - */ -QString QDeclarativeDomImport::qualifier() const -{ - return d->qualifier; -} - -QT_END_NAMESPACE |