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1 /**************************************************************************** |
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2 ** |
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3 ** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies). |
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4 ** All rights reserved. |
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5 ** Contact: Nokia Corporation (qt-info@nokia.com) |
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6 ** |
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7 ** This file is part of the QtXmlPatterns module of the Qt Toolkit. |
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8 ** |
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9 ** $QT_BEGIN_LICENSE:LGPL$ |
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10 ** No Commercial Usage |
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11 ** This file contains pre-release code and may not be distributed. |
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12 ** You may use this file in accordance with the terms and conditions |
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13 ** contained in the Technology Preview License Agreement accompanying |
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14 ** this package. |
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15 ** |
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16 ** GNU Lesser General Public License Usage |
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17 ** Alternatively, this file may be used under the terms of the GNU Lesser |
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18 ** General Public License version 2.1 as published by the Free Software |
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19 ** Foundation and appearing in the file LICENSE.LGPL included in the |
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20 ** packaging of this file. Please review the following information to |
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21 ** ensure the GNU Lesser General Public License version 2.1 requirements |
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22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
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23 ** |
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24 ** In addition, as a special exception, Nokia gives you certain additional |
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25 ** rights. These rights are described in the Nokia Qt LGPL Exception |
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26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
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27 ** |
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28 ** If you have questions regarding the use of this file, please contact |
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29 ** Nokia at qt-info@nokia.com. |
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30 ** |
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31 ** |
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32 ** |
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33 ** |
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34 ** |
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35 ** |
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36 ** |
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37 ** |
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38 ** $QT_END_LICENSE$ |
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39 ** |
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40 ****************************************************************************/ |
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41 |
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42 // |
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43 // W A R N I N G |
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44 // ------------- |
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45 // |
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46 // This file is not part of the Qt API. It exists purely as an |
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47 // implementation detail. This header file may change from version to |
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48 // version without notice, or even be removed. |
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49 // |
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50 // We mean it. |
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51 |
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52 #ifndef Patternist_XsdStateMachineBuilder_H |
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53 #define Patternist_XsdStateMachineBuilder_H |
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54 |
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55 #include "qxsdparticle_p.h" |
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56 #include "qxsdstatemachine_p.h" |
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57 #include "qxsdterm_p.h" |
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58 |
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59 #include <QtCore/QExplicitlySharedDataPointer> |
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60 #include <QtCore/QList> |
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61 |
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62 QT_BEGIN_HEADER |
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63 |
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64 QT_BEGIN_NAMESPACE |
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65 |
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66 namespace QPatternist |
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67 { |
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68 /** |
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69 * @short A helper class to build up validation state machines. |
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70 * |
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71 * @ingroup Patternist_schema |
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72 * @author Tobias Koenig <tobias.koenig@nokia.com> |
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73 */ |
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74 class XsdStateMachineBuilder : public QSharedData |
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75 { |
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76 public: |
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77 typedef QExplicitlySharedDataPointer<XsdStateMachineBuilder> Ptr; |
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78 |
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79 enum Mode |
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80 { |
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81 CheckingMode, |
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82 ValidatingMode |
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83 }; |
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84 |
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85 /** |
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86 * Creates a new state machine builder. |
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87 * |
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88 * @param machine The state machine it should work on. |
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89 * @param namePool The name pool used by all schema components. |
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90 * @param mode The mode the machine shall be build for. |
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91 */ |
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92 XsdStateMachineBuilder(XsdStateMachine<XsdTerm::Ptr> *machine, const NamePool::Ptr &namePool, Mode mode = CheckingMode); |
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93 |
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94 /** |
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95 * Resets the state machine. |
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96 * |
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97 * @returns The initial end state. |
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98 */ |
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99 XsdStateMachine<XsdTerm::Ptr>::StateId reset(); |
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100 |
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101 /** |
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102 * Prepends a start state to the given @p state. |
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103 * That is needed to allow the conversion of the state machine from a FSA to a DFA. |
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104 */ |
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105 XsdStateMachine<XsdTerm::Ptr>::StateId addStartState(XsdStateMachine<XsdTerm::Ptr>::StateId state); |
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106 |
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107 /** |
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108 * Creates the state machine for the given @p particle that should have the |
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109 * given @p endState. |
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110 * |
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111 * @returns The new start state. |
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112 */ |
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113 XsdStateMachine<XsdTerm::Ptr>::StateId buildParticle(const XsdParticle::Ptr &particle, XsdStateMachine<XsdTerm::Ptr>::StateId endState); |
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114 |
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115 /** |
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116 * Creates the state machine for the given @p term that should have the |
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117 * given @p endState. |
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118 * |
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119 * @returns The new start state. |
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120 */ |
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121 XsdStateMachine<XsdTerm::Ptr>::StateId buildTerm(const XsdTerm::Ptr &term, XsdStateMachine<XsdTerm::Ptr>::StateId endState); |
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122 |
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123 /** |
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124 * Returns a hash that maps each term that appears inside @p particle, to the particle it belongs. |
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125 * |
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126 * @note These information are used by XsdParticleChecker to check particle inheritance. |
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127 */ |
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128 static QHash<XsdTerm::Ptr, XsdParticle::Ptr> particleLookupMap(const XsdParticle::Ptr &particle); |
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129 |
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130 private: |
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131 XsdStateMachine<XsdTerm::Ptr> *m_stateMachine; |
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132 NamePool::Ptr m_namePool; |
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133 Mode m_mode; |
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134 }; |
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135 } |
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136 |
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137 QT_END_NAMESPACE |
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138 |
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139 QT_END_HEADER |
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140 |
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141 #endif |