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/****************************************************************************
**
** Copyright (C) 2019 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtHttpServer module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 or (at your option) any later version
** approved by the KDE Free Qt Foundation. The licenses are as published by
** the Free Software Foundation and appearing in the file LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QHTTPSERVERROUTER_H
#define QHTTPSERVERROUTER_H
#include <QtHttpServer/qthttpserverglobal.h>
#include <QtHttpServer/qhttpserverrouterviewtraits.h>
#include <QtCore/qscopedpointer.h>
#include <QtCore/qmetatype.h>
#include <QtCore/qregularexpression.h>
#include <functional>
#include <initializer_list>
QT_BEGIN_NAMESPACE
namespace QtPrivate {
template<int> struct QHttpServerRouterPlaceholder {};
}
QT_END_NAMESPACE
namespace std {
template<int N>
struct is_placeholder<QT_PREPEND_NAMESPACE(QtPrivate::QHttpServerRouterPlaceholder<N>)> :
integral_constant<int , N + 1>
{};
}
QT_BEGIN_NAMESPACE
class QTcpSocket;
class QHttpServerRequest;
class QHttpServerRouterRule;
class QHttpServerRouterPrivate;
class Q_HTTPSERVER_EXPORT QHttpServerRouter
{
Q_DECLARE_PRIVATE(QHttpServerRouter)
public:
QHttpServerRouter();
~QHttpServerRouter();
template<typename Type>
bool addConverter(const QLatin1String ®exp) {
static_assert(QMetaTypeId2<Type>::Defined,
"Type is not registered with Qt's meta-object system: "
"please apply Q_DECLARE_METATYPE() to it");
if (!QMetaType::registerConverter<QString, Type>())
return false;
addConverter(qMetaTypeId<Type>(), regexp);
return true;
}
void addConverter(const int type, const QLatin1String ®exp);
void removeConverter(const int);
void clearConverters();
const QMap<int, QLatin1String> &converters() const;
static const QMap<int, QLatin1String> &defaultConverters();
template<typename ViewHandler, typename ViewTraits = QHttpServerRouterViewTraits<ViewHandler>>
bool addRule(QHttpServerRouterRule *rule)
{
return addRuleHelper<ViewTraits>(
rule,
typename QtPrivate::Indexes<ViewTraits::ArgumentCount>::Value{});
}
template<typename ViewHandler, typename ViewTraits = QHttpServerRouterViewTraits<ViewHandler>>
typename ViewTraits::BindableType bindCaptured(ViewHandler &&handler,
QRegularExpressionMatch &match) const
{
return bindCapturedImpl<ViewHandler, ViewTraits>(
std::forward<ViewHandler>(handler),
match,
typename QtPrivate::Indexes<ViewTraits::ArgumentCapturableCount>::Value{},
typename QtPrivate::Indexes<ViewTraits::ArgumentPlaceholdersCount>::Value{});
}
bool handleRequest(const QHttpServerRequest &request,
QTcpSocket *socket) const;
private:
template<typename ViewTraits, int ... Idx>
bool addRuleHelper(QHttpServerRouterRule *rule,
QtPrivate::IndexesList<Idx...>)
{
const std::initializer_list<int> types = {ViewTraits::template Arg<Idx>::metaTypeId()...};
return addRuleImpl(rule, types);
}
bool addRuleImpl(QHttpServerRouterRule *rule,
const std::initializer_list<int> &metaTypes);
template<typename ViewHandler, typename ViewTraits, int ... Cx, int ... Px>
typename ViewTraits::BindableType bindCapturedImpl(ViewHandler &&handler,
QRegularExpressionMatch &match,
QtPrivate::IndexesList<Cx...>,
QtPrivate::IndexesList<Px...>) const
{
return std::bind(
std::forward<ViewHandler>(handler),
QVariant(match.captured(Cx + 1)).value<typename ViewTraits::template Arg<Cx>::Type>()...,
QtPrivate::QHttpServerRouterPlaceholder<Px>{}...);
}
QScopedPointer<QHttpServerRouterPrivate> d_ptr;
};
QT_END_NAMESPACE
#endif // QHTTPSERVERROUTER_H
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