1 | /* |
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2 | * Licensed to the Apache Software Foundation (ASF) under one or more |
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3 | * contributor license agreements. See the NOTICE file distributed with |
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4 | * this work for additional information regarding copyright ownership. |
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5 | * The ASF licenses this file to You under the Apache License, Version 2.0 |
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6 | * (the "License"); you may not use this file except in compliance with |
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7 | * the License. You may obtain a copy of the License at |
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8 | * |
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9 | * http://www.apache.org/licenses/LICENSE-2.0 |
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10 | * |
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11 | * Unless required by applicable law or agreed to in writing, software |
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12 | * distributed under the License is distributed on an "AS IS" BASIS, |
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13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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14 | * See the License for the specific language governing permissions and |
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15 | * limitations under the License. |
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16 | */ |
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17 | |
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18 | /* |
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19 | * $Id: FieldActivator.hpp 568078 2007-08-21 11:43:25Z amassari $ |
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20 | */ |
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21 | |
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22 | #if !defined(FIELDACTIVATOR_HPP) |
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23 | #define FIELDACTIVATOR_HPP |
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24 | |
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25 | /** |
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26 | * This class is responsible for activating fields within a specific scope; |
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27 | * the caller merely requests the fields to be activated. |
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28 | */ |
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29 | |
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30 | // --------------------------------------------------------------------------- |
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31 | // Includes |
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32 | // --------------------------------------------------------------------------- |
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33 | #include <xercesc/util/ValueHashTableOf.hpp> |
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34 | |
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35 | XERCES_CPP_NAMESPACE_BEGIN |
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36 | |
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37 | // --------------------------------------------------------------------------- |
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38 | // Forward Declaration |
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39 | // --------------------------------------------------------------------------- |
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40 | class IdentityConstraint; |
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41 | class XPathMatcher; |
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42 | class ValueStoreCache; |
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43 | class IC_Field; |
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44 | class XPathMatcherStack; |
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45 | |
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46 | |
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47 | class VALIDATORS_EXPORT FieldActivator : public XMemory |
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48 | { |
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49 | public: |
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50 | // ----------------------------------------------------------------------- |
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51 | // Constructors/Destructor |
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52 | // ----------------------------------------------------------------------- |
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53 | FieldActivator(ValueStoreCache* const valueStoreCache, |
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54 | XPathMatcherStack* const matcherStack, |
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55 | MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager); |
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56 | FieldActivator(const FieldActivator& other); |
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57 | ~FieldActivator(); |
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58 | |
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59 | // ----------------------------------------------------------------------- |
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60 | // Operator methods |
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61 | // ----------------------------------------------------------------------- |
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62 | FieldActivator& operator =(const FieldActivator& other); |
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63 | |
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64 | // ----------------------------------------------------------------------- |
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65 | // Getter methods |
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66 | // ----------------------------------------------------------------------- |
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67 | bool getMayMatch(IC_Field* const field); |
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68 | |
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69 | // ----------------------------------------------------------------------- |
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70 | // Setter methods |
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71 | // ----------------------------------------------------------------------- |
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72 | void setValueStoreCache(ValueStoreCache* const other); |
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73 | void setMatcherStack(XPathMatcherStack* const matcherStack); |
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74 | void setMayMatch(IC_Field* const field, bool value); |
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75 | |
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76 | // ----------------------------------------------------------------------- |
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77 | // Activation methods |
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78 | // ----------------------------------------------------------------------- |
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79 | /** |
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80 | * Start the value scope for the specified identity constraint. This |
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81 | * method is called when the selector matches in order to initialize |
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82 | * the value store. |
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83 | */ |
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84 | void startValueScopeFor(const IdentityConstraint* const ic, const int initialDepth); |
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85 | |
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86 | /** |
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87 | * Request to activate the specified field. This method returns the |
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88 | * matcher for the field. |
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89 | */ |
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90 | XPathMatcher* activateField(IC_Field* const field, const int initialDepth); |
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91 | |
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92 | /** |
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93 | * Ends the value scope for the specified identity constraint. |
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94 | */ |
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95 | void endValueScopeFor(const IdentityConstraint* const ic, const int initialDepth); |
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96 | |
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97 | private: |
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98 | // ----------------------------------------------------------------------- |
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99 | // Data |
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100 | // ----------------------------------------------------------------------- |
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101 | ValueStoreCache* fValueStoreCache; |
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102 | XPathMatcherStack* fMatcherStack; |
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103 | ValueHashTableOf<bool>* fMayMatch; |
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104 | MemoryManager* fMemoryManager; |
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105 | }; |
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106 | |
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107 | |
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108 | // --------------------------------------------------------------------------- |
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109 | // FieldActivator: Getter methods |
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110 | // --------------------------------------------------------------------------- |
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111 | inline bool FieldActivator::getMayMatch(IC_Field* const field) { |
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112 | |
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113 | return fMayMatch->get(field); |
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114 | } |
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115 | |
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116 | // --------------------------------------------------------------------------- |
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117 | // FieldActivator: Setter methods |
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118 | // --------------------------------------------------------------------------- |
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119 | inline void FieldActivator::setValueStoreCache(ValueStoreCache* const other) { |
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120 | |
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121 | fValueStoreCache = other; |
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122 | } |
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123 | |
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124 | inline void |
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125 | FieldActivator::setMatcherStack(XPathMatcherStack* const matcherStack) { |
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126 | |
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127 | fMatcherStack = matcherStack; |
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128 | } |
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129 | |
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130 | inline void FieldActivator::setMayMatch(IC_Field* const field, bool value) { |
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131 | |
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132 | fMayMatch->put(field, value); |
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133 | } |
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134 | |
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135 | XERCES_CPP_NAMESPACE_END |
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136 | |
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137 | #endif |
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138 | |
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139 | /** |
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140 | * End of file FieldActivator.hpp |
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141 | */ |
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142 | |
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