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Diffstat (limited to 'src/declarative/qml/qdeclarativeparser_p.h')
| -rw-r--r-- | src/declarative/qml/qdeclarativeparser_p.h | 357 |
1 files changed, 357 insertions, 0 deletions
diff --git a/src/declarative/qml/qdeclarativeparser_p.h b/src/declarative/qml/qdeclarativeparser_p.h new file mode 100644 index 0000000..cfd0b87 --- /dev/null +++ b/src/declarative/qml/qdeclarativeparser_p.h @@ -0,0 +1,357 @@ +/**************************************************************************** +** +** Copyright (C) 2010 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. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QDECLARATIVEPARSER_P_H +#define QDECLARATIVEPARSER_P_H + +// +// W A R N I N G +// ------------- +// +// This file is not part of the Qt API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. +// + +#include "qdeclarative.h" +#include "qdeclarativerefcount_p.h" + +#include <QtCore/QByteArray> +#include <QtCore/QList> +#include <QtCore/qstring.h> + +#include <private/qobject_p.h> + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + +QT_MODULE(Declarative) + +namespace QDeclarativeJS { namespace AST { class Node; } } + +/* + XXX + + These types are created (and owned) by the QDeclarativeXmlParser and consumed by the + QDeclarativeCompiler. During the compilation phase the compiler will update some of + the fields for both its own use and for the use of the upcoming QDeclarativeDom API. + + The types are part of the generic sounding "QDeclarativeParser" namespace for legacy + reasons (there used to be more in this namespace) and will be cleaned up and + migrated into a more appropriate location shortly. +*/ +namespace QDeclarativeParser +{ + struct Location + { + Location() : line(-1), column(-1) {} + int line; + int column; + }; + + struct LocationRange + { + LocationRange() : offset(0), length(0) {} + quint32 offset; + quint32 length; + }; + + struct LocationSpan + { + Location start; + Location end; + LocationRange range; + }; + + class Property; + class Object : public QDeclarativeRefCount + { + public: + Object(); + virtual ~Object(); + + // Type of the object. The integer is an index into the + // QDeclarativeCompiledData::types array, or -1 if the object is a property + // group. + int type; + // The url of this object if it is an external type. Used by the DOM + QUrl url; + + // version information if type is defined in library or C++ + int majorVersion; + int minorVersion; + + // The fully-qualified name of this type + QByteArray typeName; + // The class name + QByteArray className; + // The id assigned to the object (if any). Set by the QDeclarativeCompiler + QString id; + // The id index assigned to the object (if any). Set by the QDeclarativeCompiler + int idIndex; + // Custom parsed data + QByteArray custom; + // Bit mask of the properties assigned bindings + QByteArray bindingBitmask; + void setBindingBit(int); + // Returns the metaobject for this type, or 0 if not available. + // Internally selectd between the metatype and extObject variables + const QMetaObject *metaObject() const; + + // The compile time metaobject for this type + const QMetaObject *metatype; + // The synthesized metaobject, if QML added signals or properties to + // this type. Otherwise null + QAbstractDynamicMetaObject extObject; + QByteArray metadata; // Generated by compiler + QByteArray synthdata; // Generated by compiler + + Property *getDefaultProperty(); + Property *getProperty(const QByteArray &name, bool create=true); + + Property *defaultProperty; + QHash<QByteArray, Property *> properties; + + QList<Object *> scriptBlockObjects; + + // Output of the compilation phase (these properties continue to exist + // in either the defaultProperty or properties members too) + void addValueProperty(Property *); + void addSignalProperty(Property *); + void addAttachedProperty(Property *); + void addGroupedProperty(Property *); + void addValueTypeProperty(Property *); + void addScriptStringProperty(Property *, int = 0); + QList<Property *> valueProperties; + QList<Property *> signalProperties; + QList<Property *> attachedProperties; + QList<Property *> groupedProperties; + QList<Property *> valueTypeProperties; + QList<QPair<Property *, int> > scriptStringProperties; + + // Script blocks that were nested under this object + struct ScriptBlock { + QStringList codes; + QStringList files; + QList<int> lineNumbers; + }; + QList<ScriptBlock> scripts; + + // The bytes to cast instances by to get to the QDeclarativeParserStatus + // interface. -1 indicates the type doesn't support this interface. + // Set by the QDeclarativeCompiler. + int parserStatusCast; + + LocationSpan location; + + struct DynamicProperty { + DynamicProperty(); + DynamicProperty(const DynamicProperty &); + + enum Type { Variant, Int, Bool, Real, String, Url, Color, Date, Alias, Custom, CustomList }; + + bool isDefaultProperty; + Type type; + QByteArray customType; + QByteArray name; + QDeclarativeParser::Property *defaultValue; + LocationSpan location; + }; + struct DynamicSignal { + DynamicSignal(); + DynamicSignal(const DynamicSignal &); + + QByteArray name; + QList<QByteArray> parameterTypes; + QList<QByteArray> parameterNames; + }; + struct DynamicSlot { + DynamicSlot(); + DynamicSlot(const DynamicSlot &); + + QByteArray name; + QString body; + QList<QByteArray> parameterNames; + }; + + // The list of dynamic properties + QList<DynamicProperty> dynamicProperties; + // The list of dynamic signals + QList<DynamicSignal> dynamicSignals; + // The list of dynamic slots + QList<DynamicSlot> dynamicSlots; + }; + + class Variant + { + public: + enum Type { + Invalid, + Boolean, + Number, + String, + Script + }; + + Variant(); + Variant(const Variant &); + Variant(bool); + Variant(double, const QString &asWritten=QString()); + Variant(const QString &); + Variant(const QString &, QDeclarativeJS::AST::Node *); + Variant &operator=(const Variant &); + + Type type() const; + + bool isBoolean() const { return type() == Boolean; } + bool isNumber() const { return type() == Number; } + bool isString() const { return type() == String; } + bool isScript() const { return type() == Script; } + bool isStringList() const; + + bool asBoolean() const; + QString asString() const; + double asNumber() const; + QString asScript() const; + QDeclarativeJS::AST::Node *asAST() const; + QStringList asStringList() const; + + private: + Type t; + union { + bool b; + double d; + QDeclarativeJS::AST::Node *n; + }; + QString s; + }; + + class Value : public QDeclarativeRefCount + { + public: + Value(); + virtual ~Value(); + + enum Type { + // The type of this value assignment is not yet known + Unknown, + // This is used as a literal property assignment + Literal, + // This is used as a property binding assignment + PropertyBinding, + // This is used as a QDeclarativePropertyValueSource assignment + ValueSource, + // This is used as a QDeclarativePropertyValueInterceptor assignment + ValueInterceptor, + // This is used as a property QObject assignment + CreatedObject, + // This is used as a signal object assignment + SignalObject, + // This is used as a signal expression assignment + SignalExpression, + // This is used as an id assignment only + Id + }; + Type type; + + // ### Temporary + QString primitive() const { return value.asScript(); } + + // Primitive value + Variant value; + // Object value + Object *object; + + LocationSpan location; + }; + + class Property : public QDeclarativeRefCount + { + public: + Property(); + Property(const QByteArray &n); + virtual ~Property(); + + // The Object to which this property is attached + Object *parent; + + Object *getValue(); + void addValue(Value *v); + + // The QVariant::Type of the property, or 0 (QVariant::Invalid) if + // unknown. + int type; + // The metaobject index of this property, or -1 if unknown. + int index; + + // Returns true if this is an empty property - both value and values + // are unset. + bool isEmpty() const; + // The list of values assigned to this property. Content in values + // and value are mutually exclusive + QList<Value *> values; + // The accessed property. This is used to represent dot properties. + // Content in value and values are mutually exclusive. + Object *value; + // The property name + QByteArray name; + // True if this property was accessed as the default property. + bool isDefault; + // True if the setting of this property will be deferred. Set by the + // QDeclarativeCompiler + bool isDeferred; + + LocationSpan location; + LocationRange listValueRange; + QList<int> listCommaPositions; + }; +} + +QT_END_NAMESPACE + +Q_DECLARE_METATYPE(QDeclarativeParser::Variant) + +QT_END_HEADER + +#endif // QDECLARATIVEPARSER_P_H |