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b80114213d
By separating them from unrelated code, their dependents can use them without depending on unrelated code, which in turn helps to reduce cyclic dependencies.
116 lines
2.9 KiB
C++
116 lines
2.9 KiB
C++
/* Copyright (C) 2014
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* swift project Community / Contributors
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*
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* This file is part of swift project. It is subject to the license terms in the LICENSE file found in the top-level
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* directory of this distribution. No part of swift project, including this file, may be copied, modified, propagated,
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* or distributed except according to the terms contained in the LICENSE file.
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*/
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//! \file
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#ifndef BLACKMISC_DBUS_H
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#define BLACKMISC_DBUS_H
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#include "blackmisc/blackmiscexport.h"
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#include <QFlags>
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#include <QDBusArgument>
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#include <type_traits>
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#include <utility>
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#include <string>
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/*!
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* Non member non-friend streaming for std::string
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*/
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QDBusArgument &operator <<(QDBusArgument &arg, const std::string &s);
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/*!
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* Operator for std::string from QDBusArgument.
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*/
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const QDBusArgument &operator >>(const QDBusArgument &arg, std::string &s);
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// *INDENT-OFF*
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/*!
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* Operator for streaming enums to QDBusArgument.
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*/
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template <class E, std::enable_if_t<std::is_enum<E>::value, int> = 0>
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QDBusArgument &operator <<(QDBusArgument &arg, const E &value)
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{
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arg.beginStructure();
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arg << static_cast<int>(value);
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arg.endStructure();
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return arg;
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}
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/*!
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* Operator for streaming enums from QDBusArgument.
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*/
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template <class E, std::enable_if_t<std::is_enum<E>::value, int> = 0>
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const QDBusArgument &operator >>(const QDBusArgument &arg, E &value)
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{
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int temp;
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arg.beginStructure();
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arg >> temp;
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arg.endStructure();
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value = static_cast<E>(temp);
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return arg;
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}
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/*!
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* Operator for streaming QFlags to QDBusArgument.
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*/
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template <class T>
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QDBusArgument &operator <<(QDBusArgument &arg, const QFlags<T> &value)
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{
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arg.beginStructure();
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arg << static_cast<typename QFlags<T>::Int>(value);
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arg.endStructure();
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return arg;
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}
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/*!
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* Operator for streaming QFlags from QDBusArgument.
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*/
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template <class T>
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const QDBusArgument &operator >>(const QDBusArgument &arg, QFlags<T> &value)
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{
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typename QFlags<T>::Int temp = 0;
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arg.beginStructure();
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arg >> temp;
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arg.endStructure();
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value = static_cast<QFlags<T>>(temp);
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return arg;
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}
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/*!
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* Operator for streaming pairs to QDBusArgument.
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*/
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template <class A, class B>
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QDBusArgument &operator <<(QDBusArgument &arg, const std::pair<A, B> &pair)
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{
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arg.beginStructure();
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arg << pair.first << pair.second;
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arg.endStructure();
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return arg;
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}
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/*!
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* Operator for streaming pairs from QDBusArgument.
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*/
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template <class A, class B>
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const QDBusArgument &operator >>(const QDBusArgument &arg, std::pair<A, B> &pair)
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{
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arg.beginStructure();
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arg >> pair.first >> pair.second;
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arg.endStructure();
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return arg;
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}
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// *INDENT-ON*
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//! Windows: prevents unloading of QtDBus shared library until the process is terminated.
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//! QtDBus must have been loaded already by the calling process.
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//! Does nothing on non-Windows platforms.
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BLACKMISC_EXPORT void preventQtDBusDllUnload();
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#endif // guard
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