author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Fri, 19 Feb 2010 23:40:16 +0200 | |
branch | RCL_3 |
changeset 4 | 3b1da2848fc7 |
parent 0 | 1918ee327afb |
child 30 | 5dc02b23752f |
permissions | -rw-r--r-- |
0 | 1 |
/**************************************************************************** |
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** |
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3b1da2848fc7
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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changeset
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). |
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** All rights reserved. |
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** Contact: Nokia Corporation (qt-info@nokia.com) |
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** |
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** This file is part of the QtDBus module of the Qt Toolkit. |
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** |
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** $QT_BEGIN_LICENSE:LGPL$ |
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** No Commercial Usage |
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** This file contains pre-release code and may not be distributed. |
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** You may use this file in accordance with the terms and conditions |
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** contained in the Technology Preview License Agreement accompanying |
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** this package. |
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** |
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** GNU Lesser General Public License Usage |
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** Alternatively, this file may be used under the terms of the GNU Lesser |
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** General Public License version 2.1 as published by the Free Software |
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** Foundation and appearing in the file LICENSE.LGPL included in the |
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** packaging of this file. Please review the following information to |
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** ensure the GNU Lesser General Public License version 2.1 requirements |
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
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** |
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** In addition, as a special exception, Nokia gives you certain additional |
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** rights. These rights are described in the Nokia Qt LGPL Exception |
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
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** |
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** If you have questions regarding the use of this file, please contact |
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** Nokia at qt-info@nokia.com. |
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** |
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** |
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** |
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** |
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** |
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** |
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** |
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** |
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** $QT_END_LICENSE$ |
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** |
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****************************************************************************/ |
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#include "qdbusintrospection_p.h" |
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#include "qdbusxmlparser_p.h" |
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QT_BEGIN_NAMESPACE |
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/*! |
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\class QDBusIntrospection |
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\brief Information about introspected objects and interfaces on D-Bus. |
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\internal |
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This class provides structures and methods for parsing the XML introspection data for D-Bus. |
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Normally, you don't have to use the methods provided here: QDBusInterface and QDBusObject will |
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do that for you. |
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But they may prove useful if the XML data was obtained through other means (like parsing a file). |
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*/ |
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/*! |
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\class QDBusIntrospection::Argument |
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\brief One argument to a D-Bus method or signal. |
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This struct represents one argument passed to a method or received from a method or signal in |
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D-Bus. The struct does not contain information on the direction (input or output). |
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*/ |
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/*! |
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\variable QDBusIntrospection::Argument::type |
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The argument type. |
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*/ |
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/*! |
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\variable QDBusIntrospection::Argument::name |
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The argument name. The argument name is optional, so this may be a null QString. |
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*/ |
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/*! |
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\fn QDBusIntrospection::Argument::operator==(const Argument &other) const |
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Compares this object against \a other and return true if they are the same. |
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*/ |
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/*! |
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\class QDBusIntrospection::Method |
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\brief Information about one method. |
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This struct represents one method discovered through introspection. A method is composed of |
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its \a name, its input arguments, its output arguments, and, optionally, annotations. There are no |
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"in-out" arguments. |
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*/ |
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/*! |
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\variable QDBusIntrospection::Method::name |
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The method's name. |
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*/ |
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/*! |
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\variable QDBusIntrospection::Method::inputArgs |
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A list of the method's input arguments. |
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*/ |
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/*! |
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\variable QDBusIntrospection::Method::outputArgs |
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A list of the method's output arguments (i.e., return values). |
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*/ |
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/*! |
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\variable QDBusIntrospection::Method::annotations |
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The annotations associated with the method. Each annotation is a pair of strings, where the key |
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is of the same format as a D-Bus interface name. The value is arbitrary. |
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*/ |
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/*! |
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\fn QDBusIntrospection::Method::operator==(const Method &other) const |
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Compares this object against \a other and return true if they are the same. |
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*/ |
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/*! |
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\class QDBusIntrospection::Signal |
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\brief Information about one signal. |
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This struct represents one signal discovered through introspection. A signal is composed of |
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its \a name, its output arguments, and, optionally, annotations. |
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*/ |
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/*! |
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\variable QDBusIntrospection::Signal::name |
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The signal's name. |
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*/ |
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/*! |
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\variable QDBusIntrospection::Signal::outputArgs |
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A list of the signal's arguments. |
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*/ |
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/*! |
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\variable QDBusIntrospection::Signal::annotations |
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The annotations associated with the signal. Each annotation is a pair of strings, where the key |
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is of the same format as a D-Bus interface name. The value is arbitrary. |
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*/ |
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/*! |
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\fn QDBusIntrospection::Signal::operator==(const Signal& other) const |
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Compares this object against \a other and return true if they are the same. |
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*/ |
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/*! |
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\class QDBusIntrospection::Property |
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\brief Information about one property. |
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This struct represents one property discovered through introspection. A property is composed of |
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its \a name, its \a type, its \a access rights, and, optionally, annotations. |
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*/ |
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/*! |
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\variable QDBusIntrospection::Property::name |
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The property's name. |
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*/ |
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/*! |
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\variable QDBusIntrospection::Property::type |
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The property's type. |
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*/ |
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/*! |
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\enum QDBusIntrospection::Property::Access |
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The possible access rights for a property: |
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\value Read |
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\value Write |
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\value ReadWrite |
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*/ |
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/*! |
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\variable QDBusIntrospection::Property::access |
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The property's access rights. |
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*/ |
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/*! |
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\variable QDBusIntrospection::Property::annotations |
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The annotations associated with the property. Each annotation is a pair of strings, where the key |
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is of the same format as a D-Bus interface name. The value is arbitrary. |
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*/ |
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/*! |
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\fn QDBusIntrospection::Property::operator==(const Property &other) const |
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Compares this object against \a other and return true if they are the same. |
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*/ |
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/*! |
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\class QDBusIntrospection::Interface |
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\brief Information about one interface on the bus. |
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Each interface on D-Bus has an unique \a name, identifying where that interface was defined. |
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Interfaces may have annotations, methods, signals and properties, but none are mandatory. |
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*/ |
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/*! |
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\variable QDBusIntrospection::Interface::name |
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The interface's name. |
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*/ |
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/*! |
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\variable QDBusIntrospection::Interface::introspection |
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The XML document fragment describing this interface. |
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If parsed again through parseInterface, the object returned should have the same contents as |
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this object. |
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*/ |
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/*! |
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\variable QDBusIntrospection::Interface::annotations |
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The annotations associated with the interface. Each annotation is a pair of strings, where the key |
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is of the same format as a D-Bus interface name. The value is arbitrary. |
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*/ |
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/*! |
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\variable QDBusIntrospection::Interface::methods |
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The methods available in this interface. Note that method names are not unique (i.e., methods |
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can be overloaded with multiple arguments types). |
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*/ |
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/*! |
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\variable QDBusIntrospection::Interface::signals_ |
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The signals available in this interface. Note that signal names are not unique (i.e., signals |
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can be overloaded with multiple argument types). |
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This member is called "signals_" because "signals" is a reserved keyword in Qt. |
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*/ |
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/*! |
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\variable QDBusIntrospection::Interface::properties |
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The properties available in this interface. Property names are unique. |
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*/ |
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/*! |
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\fn QDBusIntrospection::Interface::operator==(const Interface &other) const |
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Compares this object against \a other and return true if they are the same. |
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Note that two interfaces are considered to be the same if they have the same name. The internal |
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structures in the objects are not compared. |
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*/ |
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/*! |
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\class QDBusIntrospection::Object |
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\brief Information about one object on the bus. |
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An object on the D-Bus bus is represented by its service and path on the service but, unlike |
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interfaces, objects are mutable. That is, their contents can change with time. Therefore, |
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while the (service, path) pair uniquely identifies an object, the information contained in |
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this struct may no longer represent the object. |
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An object can contain interfaces and child (sub) objects. |
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*/ |
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/*! |
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\variable QDBusIntrospection::Object::service |
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The object's service name. |
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\sa parseObject(), parseObjectTree() |
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*/ |
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/*! |
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\variable QDBusIntrospection::Object::path |
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The object's path on the service. This is an absolute path. |
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\sa parseObject(), parseObjectTree() |
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*/ |
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/*! |
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\variable QDBusIntrospection::Object::introspection |
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The XML document fragment describing this object, its interfaces and sub-objects at the time |
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of the parsing. |
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The result of parseObject with this XML data should be the same as the Object struct. |
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*/ |
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/*! |
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\variable QDBusIntrospection::Object::interfaces |
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The list of interface names in this object. |
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*/ |
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/*! |
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\variable QDBusIntrospection::Object::childObjects |
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The list of child object names in this object. Note that this is a relative name, not an |
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absolute path. To obtain the absolute path, concatenate with \l |
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{QDBusIntrospection::Object::path}{path}. |
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*/ |
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/*! |
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\class QDBusIntrospection::ObjectTree |
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\brief Complete information about one object node and its descendency. |
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This struct contains the same data as QDBusIntrospection::Object, plus the actual data for the |
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interfaces and child (sub) objects that was available in the XML document. |
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*/ |
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/*! |
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\variable QDBusIntrospection::ObjectTree::interfaceData |
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A map of interfaces and their names. |
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*/ |
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/*! |
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\variable QDBusIntrospection::ObjectTree::childObjectData |
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A map of object paths and their data. The map key contains the relative path to the object. |
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Note this map contains only the child notes that do have information about the sub-object's |
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contents. If the XML data did not contain the information, only the object name will be listed |
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in childObjects, but not in childObjectData. |
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*/ |
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/*! |
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\typedef QDBusIntrospection::Annotations |
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Contains a QMap of an annotation pair. The annotation's name is stored in the QMap key and |
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must be unique. The annotation's value is stored in the QMap's value and is arbitrary. |
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*/ |
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/*! |
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\typedef QDBusIntrospection::Arguments |
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Contains a list of arguments to either a Method or a Signal. The arguments' order is important. |
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*/ |
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/*! |
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\typedef QDBusIntrospection::Methods |
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Contains a QMap of methods and their names. The method's name is stored in the map's key and |
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is not necessarily unique. The order in which multiple methods with the same name are stored |
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in this map is undefined. |
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*/ |
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/*! |
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\typedef QDBusIntrospection::Signals |
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Contains a QMap of signals and their names. The signal's name is stored in the map's key and |
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is not necessarily unique. The order in which multiple signals with the same name are stored |
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in this map is undefined. |
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*/ |
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/*! |
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\typedef QDBusIntrospection::Properties |
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Contains a QMap of properties and their names. Each property must have a unique name. |
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*/ |
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/*! |
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\typedef QDBusIntrospection::Interfaces |
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Contains a QMap of interfaces and their names. Each interface has a unique name. |
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*/ |
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/*! |
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\typedef QDBusIntrospection::Objects |
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Contains a QMap of objects and their paths relative to their immediate parent. |
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\sa parseObjectTree() |
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*/ |
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/*! |
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Parses the XML document fragment (given by \a xml) containing one interface. |
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The first element tag in this XML data must be either \<node\> or \<interface\>. If it is |
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\<node\>, then the \<interface\> tag must be a child tag of the \<node\> one. |
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If there are multiple interfaces in this XML data, it is undefined which one will be |
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returned. |
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*/ |
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QDBusIntrospection::Interface |
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QDBusIntrospection::parseInterface(const QString &xml) |
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{ |
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// be lazy |
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Interfaces ifs = parseInterfaces(xml); |
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if (ifs.isEmpty()) |
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return Interface(); |
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// return the first in map order (probably alphabetical order) |
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return *ifs.constBegin().value(); |
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} |
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/*! |
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Parses the XML document fragment (given by \a xml) containing several interfaces. |
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If the first element tag in this document fragment is \<node\>, the interfaces parsed will |
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be those found as child elements of the \<node\> tag. |
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*/ |
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QDBusIntrospection::Interfaces |
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QDBusIntrospection::parseInterfaces(const QString &xml) |
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{ |
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QString null; |
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QDBusXmlParser parser(null, null, xml); |
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return parser.interfaces(); |
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} |
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/*! |
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Parses the XML document fragment (given by \a xml) containing one object, found at the service |
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\a service and path \a path. |
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The first element tag in this document must be \<node\>. If that tag does not contain |
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a name attribute, the \a path argument will be used to determine the path of this |
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object node. |
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This function does not parse the interfaces contained in the node, nor sub-object's contents. |
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It will only list their names. If you need to know their contents, use parseObjectTree. |
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*/ |
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QDBusIntrospection::Object |
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QDBusIntrospection::parseObject(const QString &xml, const QString &service, const QString &path) |
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{ |
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QDBusXmlParser parser(service, path, xml); |
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QSharedDataPointer<QDBusIntrospection::Object> retval = parser.object(); |
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if (!retval) |
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return QDBusIntrospection::Object(); |
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return *retval; |
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} |
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/*! |
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Parses the XML document fragment (given by \a xml) containing one object node and returns all |
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the information about the interfaces and sub-objects, found at the service \a service and path |
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\a path. |
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The Objects map returned will contain the absolute path names in the key. |
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*/ |
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QDBusIntrospection::ObjectTree |
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QDBusIntrospection::parseObjectTree(const QString &xml, const QString &service, const QString &path) |
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{ |
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QDBusXmlParser parser(service, path, xml); |
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QSharedDataPointer<QDBusIntrospection::ObjectTree> retval = parser.objectTree(); |
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if (!retval) |
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return QDBusIntrospection::ObjectTree(); |
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return *retval; |
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} |
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QT_END_NAMESPACE |