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/****************************************************************************
**
** Copyright (C) 2021 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtXmlPatterns module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:COMM$
**
** 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.
**
** $QT_END_LICENSE$
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
****************************************************************************/
//
// 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.
#ifndef Patternist_TemplateInvoker_H
#define Patternist_TemplateInvoker_H
#include <private/qcallsite_p.h>
#include <private/qwithparam_p.h>
QT_BEGIN_NAMESPACE
namespace QPatternist
{
/**
* @short Base class for classes that invokes @em templates, such as
* CallTemplate and ApplyTemplate.
*
* TemplateInvoker has the member m_withParams, which is the @c
* xsl:with-param instructions of the caller. The definite source for the
* expressions is m_withParams, not Expression::operands(). However, the
* order of operands() is defined, while m_withParams is not since it's a
* hash. Therefore operands() is definite on order.
*
* TemplateInvoker is intended to be sub-classed.
*
* @author Frans Englich <frans.englich@nokia.com>
* @ingroup Patternist_expressions
* @since 4.5
*/
class TemplateInvoker : public CallSite
{
public:
virtual Expression::Ptr compress(const StaticContext::Ptr &context);
inline const WithParam::Hash &withParams() const;
WithParam::Hash m_withParams;
/**
* This is a bit complicated by that we have two required types, one
* specified by @c xsl:param in the template declaration, and one on @c
* xsl:with-param.
*
* @see UserFunctionCallsite::expectedOperandTypes()
* @see <a href="http://www.w3.org/TR/xslt20/#with-param">XSL
* Transformations (XSLT) Version 2.0, 10.1.1 Passing Parameters to Templates</a>
*/
virtual SequenceType::List expectedOperandTypes() const;
protected:
/**
* @p withParams may be empty.
*/
TemplateInvoker(const WithParam::Hash &withParams,
const QXmlName &name = QXmlName());
private:
Q_DISABLE_COPY(TemplateInvoker)
};
const WithParam::Hash &TemplateInvoker::withParams() const
{
return m_withParams;
}
}
QT_END_NAMESPACE
#endif
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