src/xmlpatterns/expr/qcalltemplate_p.h
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     1 /****************************************************************************
       
     2 **
       
     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
       
     4 ** All rights reserved.
       
     5 ** Contact: Nokia Corporation (qt-info@nokia.com)
       
     6 **
       
     7 ** This file is part of the QtXmlPatterns module of the Qt Toolkit.
       
     8 **
       
     9 ** $QT_BEGIN_LICENSE:LGPL$
       
    10 ** No Commercial Usage
       
    11 ** This file contains pre-release code and may not be distributed.
       
    12 ** You may use this file in accordance with the terms and conditions
       
    13 ** contained in the Technology Preview License Agreement accompanying
       
    14 ** this package.
       
    15 **
       
    16 ** GNU Lesser General Public License Usage
       
    17 ** Alternatively, this file may be used under the terms of the GNU Lesser
       
    18 ** General Public License version 2.1 as published by the Free Software
       
    19 ** Foundation and appearing in the file LICENSE.LGPL included in the
       
    20 ** packaging of this file.  Please review the following information to
       
    21 ** ensure the GNU Lesser General Public License version 2.1 requirements
       
    22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
       
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    24 ** In addition, as a special exception, Nokia gives you certain additional
       
    25 ** rights.  These rights are described in the Nokia Qt LGPL Exception
       
    26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
       
    27 **
       
    28 ** If you have questions regarding the use of this file, please contact
       
    29 ** Nokia at qt-info@nokia.com.
       
    30 **
       
    31 **
       
    32 **
       
    33 **
       
    34 **
       
    35 **
       
    36 **
       
    37 **
       
    38 ** $QT_END_LICENSE$
       
    39 **
       
    40 ****************************************************************************/
       
    41 
       
    42 //
       
    43 //  W A R N I N G
       
    44 //  -------------
       
    45 //
       
    46 // This file is not part of the Qt API.  It exists purely as an
       
    47 // implementation detail.  This header file may change from version to
       
    48 // version without notice, or even be removed.
       
    49 //
       
    50 // We mean it.
       
    51 
       
    52 #ifndef Patternist_CallTemplate_H
       
    53 #define Patternist_CallTemplate_H
       
    54 
       
    55 #include "qcallsite_p.h"
       
    56 #include "qtemplateinvoker_p.h"
       
    57 #include "qtemplate_p.h"
       
    58 
       
    59 QT_BEGIN_HEADER
       
    60 QT_BEGIN_NAMESPACE
       
    61 
       
    62 namespace QPatternist
       
    63 {
       
    64     /**
       
    65      * @short Implements @c xsl:call-template.
       
    66      *
       
    67      * @since 4.5
       
    68      * @author Frans Englich <frans.englich@nokia.com>
       
    69      * @ingroup Patternist_expressions
       
    70      */
       
    71     class CallTemplate : public TemplateInvoker
       
    72     {
       
    73     public:
       
    74         typedef QExplicitlySharedDataPointer<CallTemplate> Ptr;
       
    75 
       
    76         CallTemplate(const QXmlName &name,
       
    77                      const WithParam::Hash &withParams);
       
    78 
       
    79         virtual Item::Iterator::Ptr evaluateSequence(const DynamicContext::Ptr &context) const;
       
    80         virtual bool evaluateEBV(const DynamicContext::Ptr &context) const;
       
    81         virtual void evaluateToSequenceReceiver(const DynamicContext::Ptr &context) const;
       
    82 
       
    83         virtual SequenceType::Ptr staticType() const;
       
    84         virtual ExpressionVisitorResult::Ptr accept(const ExpressionVisitor::Ptr &visitor) const;
       
    85         virtual Properties properties() const;
       
    86         virtual Properties dependencies() const;
       
    87 
       
    88         /**
       
    89          * This is a bit complicated by that we have two required types, one
       
    90          * specified by @c xsl:param in the template declaration, and one on @c
       
    91          * xsl:with-param.
       
    92          *
       
    93          * @see UserFunctionCallsite::expectedOperandTypes()
       
    94          * @see <a href="http://www.w3.org/TR/xslt20/#with-param">XSL
       
    95          * Transformations (XSLT) Version 2.0, 10.1.1 Passing Parameters to Templates</a>
       
    96          */
       
    97         virtual Expression::Ptr typeCheck(const StaticContext::Ptr &context,
       
    98                                           const SequenceType::Ptr &reqType);
       
    99 
       
   100 
       
   101         inline void setTemplate(const Template::Ptr &templ)
       
   102         {
       
   103             m_template = templ;
       
   104         }
       
   105 
       
   106         virtual bool configureRecursion(const CallTargetDescription::Ptr &sign);
       
   107         virtual Expression::Ptr body() const;
       
   108         virtual CallTargetDescription::Ptr callTargetDescription() const;
       
   109     private:
       
   110         Template::Ptr   m_template;
       
   111     };
       
   112 }
       
   113 
       
   114 QT_END_NAMESPACE
       
   115 QT_END_HEADER
       
   116 
       
   117 #endif