1 /**************************************************************************** 2 ** 3 ** Copyright (C) 2015 The Qt Company Ltd. 4 ** Contact: http://www.qt.io/licensing/ 5 ** 6 ** This file is part of the QtXmlPatterns module of the Qt Toolkit. 7 ** 8 ** $QT_BEGIN_LICENSE:LGPL$ 9 ** Commercial License Usage 10 ** Licensees holding valid commercial Qt licenses may use this file in 11 ** accordance with the commercial license agreement provided with the 12 ** Software or, alternatively, in accordance with the terms contained in 13 ** a written agreement between you and The Qt Company. For licensing terms 14 ** and conditions see http://www.qt.io/terms-conditions. For further 15 ** information use the contact form at http://www.qt.io/contact-us. 16 ** 17 ** GNU Lesser General Public License Usage 18 ** Alternatively, this file may be used under the terms of the GNU Lesser 19 ** General Public License version 2.1 or version 3 as published by the Free 20 ** Software Foundation and appearing in the file LICENSE.LGPLv21 and 21 ** LICENSE.LGPLv3 included in the packaging of this file. Please review the 22 ** following information to ensure the GNU Lesser General Public License 23 ** requirements will be met: https://www.gnu.org/licenses/lgpl.html and 24 ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. 25 ** 26 ** As a special exception, The Qt Company gives you certain additional 27 ** rights. These rights are described in The Qt Company LGPL Exception 28 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. 29 ** 30 ** GNU General Public License Usage 31 ** Alternatively, this file may be used under the terms of the GNU 32 ** General Public License version 3.0 as published by the Free Software 33 ** Foundation and appearing in the file LICENSE.GPL included in the 34 ** packaging of this file. Please review the following information to 35 ** ensure the GNU General Public License version 3.0 requirements will be 36 ** met: http://www.gnu.org/copyleft/gpl.html. 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_FunctionAvailableFN_H 53 #define Patternist_FunctionAvailableFN_H 54 55 #include "qstaticnamespacescontainer_p.h" 56 #include "qfunctionfactory_p.h" 57 58 QT_BEGIN_HEADER 59 60 QT_BEGIN_NAMESPACE 61 62 namespace QPatternist 63 { 64 /** 65 * @short Implements XSL-T 2.0's XPath function <tt>fn:function-available()</tt>. 66 * 67 * @see <a href="http://www.w3.org/TR/xslt20/#function-function-available">XSL Transformations 68 * (XSLT) Version 2.0, 18.1.1 Testing Availability of Functions</a> 69 * @author Frans Englich <frans.englich@nokia.com> 70 * @ingroup Patternist_functions 71 */ 72 class FunctionAvailableFN : public StaticNamespacesContainer 73 { 74 public: 75 virtual Item evaluateSingleton(const DynamicContext::Ptr &context) const; 76 77 /** 78 * Reimplemented to store data from the @p context which is needed at runtime. 79 */ 80 virtual Expression::Ptr typeCheck(const StaticContext::Ptr &context, 81 const SequenceType::Ptr &reqType); 82 83 private: 84 FunctionFactory::Ptr m_functionFactory; 85 QXmlName::NamespaceCode m_defFuncNS; 86 }; 87 88 QT_END_NAMESPACE 89 } 90 QT_END_HEADER 91 92 #endif 93