qdbusintrospection_p.h

QT 开发环境里面一个很重要的文件

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**
** Copyright (C) 1992-2006 Trolltech ASA. All rights reserved.
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** This file is part of the tools applications of the Qt Toolkit.
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#ifndef QDBUSINTROSPECTION_H
#define QDBUSINTROSPECTION_H

//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists for the convenience
// of the QLibrary class.  This header file may change from
// version to version without notice, or even be removed.
//
// We mean it.
//

#include <QtCore/qstring.h>
#include <QtCore/qlist.h>
#include <QtCore/qstringlist.h>
#include <QtCore/qmap.h>
#include <QtCore/qpair.h>
#include <QtCore/qshareddata.h>
#include <qdbusmacros.h>

class QDBUS_EXPORT QDBusIntrospection
{
public:
    // forward declarations
    struct Argument;
    struct Method;
    struct Signal;
    struct Property;
    struct Interface;
    struct Object;
    struct ObjectTree;

    // typedefs
    typedef QMap<QString, QString> Annotations;
    typedef QList<Argument> Arguments;
    typedef QMultiMap<QString, Method> Methods;
    typedef QMultiMap<QString, Signal> Signals;
    typedef QMap<QString, Property> Properties;
    typedef QMap<QString, QSharedDataPointer<Interface> > Interfaces;
    typedef QMap<QString, QSharedDataPointer<ObjectTree> > Objects;

public:
    // the structs

    struct Argument
    {
        QString type;
        QString name;

        inline bool operator==(const Argument& other) const
        { return name == other.name && type == other.type; }
    };
    
    struct Method
    {
        QString name;
        Arguments inputArgs;
        Arguments outputArgs;
        Annotations annotations;

        inline bool operator==(const Method& other) const
        { return name == other.name && annotations == other.annotations &&
                inputArgs == other.inputArgs && outputArgs == other.outputArgs; }
    };

    struct Signal
    {
        QString name;
        Arguments outputArgs;
        Annotations annotations;

        inline bool operator==(const Signal& other) const
        { return name == other.name && annotations == other.annotations &&
                outputArgs == other.outputArgs; }
    };

    struct Property
    {
        enum Access { Read, Write, ReadWrite };
        QString name;
        QString type;
        Access access;
        Annotations annotations;

        inline bool operator==(const Property& other) const
        { return access == other.access && name == other.name &&
                annotations == other.annotations && type == other.type; }
    };

    struct Interface: public QSharedData
    {
        QString name;
        QString introspection;

        Annotations annotations;
        Methods methods;
        Signals signals_;
        Properties properties;

        inline bool operator==(const Interface &other) const
        { return !name.isEmpty() && name == other.name; }
    };

    struct Object: public QSharedData
    {
        QString service;
        QString path;
        QString introspection;

        QStringList interfaces;
        QStringList childObjects;
    };

    struct ObjectTree: public Object
    {
        Interfaces interfaceData;
        Objects childObjectData;
    };

public:
    static Interface parseInterface(const QString &xml);
    static Interfaces parseInterfaces(const QString &xml);
    static Object parseObject(const QString &xml, const QString &service = QString(),
                              const QString &path = QString());
    static ObjectTree parseObjectTree(const QString &xml,
                                      const QString &service,
                                      const QString &path);

private:
    QDBusIntrospection();
};

#endif