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_ComparisonFactory_H 53 #define Patternist_ComparisonFactory_H 54 55 #include "qatomiccomparator_p.h" 56 #include "qderivedstring_p.h" 57 #include "qitem_p.h" 58 #include "qreportcontext_p.h" 59 #include "qschematype_p.h" 60 61 QT_BEGIN_HEADER 62 QT_BEGIN_NAMESPACE 63 64 namespace QPatternist 65 { 66 /** 67 * @short Provides compare(), which is a high-level helper function for 68 * comparing atomic values. 69 * 70 * This class wraps the helper class ComparisonPlatform with a more specific, 71 * high-level API. 72 * 73 * @see ComparisonPlatform 74 * @author Frans Englich <frans.englich@nokia.com> 75 * @ingroup Patternist_schema 76 */ 77 class ComparisonFactory 78 { 79 public: 80 /** 81 * @short Returns the result of evaluating operator @p op applied to the atomic 82 * values @p operand1 and @p operand2. 83 * 84 * The caller guarantees that both values are of type @p type. 85 * 86 * ComparisonFactory does not take ownership of @p sourceLocationReflection. 87 */ 88 static bool compare(const AtomicValue::Ptr &operand1, 89 const AtomicComparator::Operator op, 90 const AtomicValue::Ptr &operand2, 91 const SchemaType::Ptr &type, 92 const ReportContext::Ptr &context, 93 const SourceLocationReflection *const sourceLocationReflection); 94 95 /** 96 * @short Returns the result of evaluating operator @p op applied to the atomic 97 * values @p operand1 and @p operand2. 98 * 99 * In opposite to compare() it converts the operands from string type 100 * to @p type and compares these constructed types. 101 * 102 * The caller guarantees that both values are of type @p type. 103 * 104 * ComparisonFactory does not take ownership of @p sourceLocationReflection. 105 */ 106 static bool constructAndCompare(const DerivedString<TypeString>::Ptr &operand1, 107 const AtomicComparator::Operator op, 108 const DerivedString<TypeString>::Ptr &operand2, 109 const SchemaType::Ptr &type, 110 const ReportContext::Ptr &context, 111 const SourceLocationReflection *const sourceLocationReflection); 112 113 private: 114 Q_DISABLE_COPY(ComparisonFactory) 115 }; 116 } 117 118 QT_END_NAMESPACE 119 QT_END_HEADER 120 121 #endif 122