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: XSParticle.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(XSPARTICLE_HPP) |
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23 | #define XSPARTICLE_HPP |
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24 | |
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25 | #include <xercesc/framework/psvi/XSObject.hpp> |
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26 | |
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27 | XERCES_CPP_NAMESPACE_BEGIN |
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28 | |
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29 | /** |
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30 | * This class describes all properties of a Schema Particle |
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31 | * component. |
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32 | * This is *always* owned by the validator /parser object from which |
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33 | * it is obtained. |
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34 | */ |
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35 | |
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36 | // forward declarations |
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37 | class XSElementDeclaration; |
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38 | class XSModelGroup; |
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39 | class XSWildcard; |
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40 | |
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41 | class XMLPARSER_EXPORT XSParticle : public XSObject |
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42 | { |
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43 | public: |
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44 | |
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45 | // possible terms of this particle |
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46 | enum TERM_TYPE { |
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47 | /* |
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48 | * an empty particle |
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49 | */ |
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50 | TERM_EMPTY = 0, |
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51 | /* |
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52 | * the particle has element content |
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53 | */ |
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54 | TERM_ELEMENT = XSConstants::ELEMENT_DECLARATION, |
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55 | /* |
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56 | * the particle's content is a model group |
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57 | */ |
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58 | TERM_MODELGROUP = XSConstants::MODEL_GROUP_DEFINITION, |
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59 | /* |
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60 | * the particle's content is a wildcard |
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61 | */ |
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62 | TERM_WILDCARD = XSConstants::WILDCARD |
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63 | }; |
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64 | |
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65 | // Constructors and Destructor |
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66 | // ----------------------------------------------------------------------- |
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67 | /** @name Constructors */ |
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68 | //@{ |
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69 | |
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70 | /** |
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71 | * The default constructor |
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72 | * |
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73 | * @param termType |
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74 | * @param xsModel |
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75 | * @param particleTerm |
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76 | * @param minOccurs |
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77 | * @param maxOccurs |
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78 | * @param manager The configurable memory manager |
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79 | */ |
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80 | XSParticle |
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81 | ( |
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82 | TERM_TYPE termType |
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83 | , XSModel* const xsModel |
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84 | , XSObject* const particleTerm |
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85 | , int minOccurs |
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86 | , int maxOccurs |
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87 | , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager |
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88 | ); |
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89 | |
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90 | //@}; |
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91 | |
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92 | /** @name Destructor */ |
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93 | //@{ |
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94 | ~XSParticle(); |
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95 | //@} |
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96 | |
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97 | //--------------------- |
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98 | /** @name XSParticle methods */ |
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99 | //@{ |
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100 | |
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101 | /** |
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102 | * [min occurs]: determines the minimum number of terms that can occur. |
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103 | */ |
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104 | int getMinOccurs() const; |
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105 | |
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106 | /** |
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107 | * [max occurs] determines the maximum number of terms that can occur. To |
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108 | * query for value of unbounded use <code>maxOccursUnbounded</code>. |
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109 | */ |
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110 | int getMaxOccurs() const; |
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111 | |
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112 | /** |
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113 | * [max occurs] whether the maxOccurs value is unbounded. |
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114 | */ |
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115 | bool getMaxOccursUnbounded() const; |
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116 | |
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117 | /** |
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118 | * Returns the type of the [term]: one of |
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119 | * TERM_EMPTY, TERM_ELEMENT, TERM_MODELGROUP, or TERM_WILDCARD. |
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120 | */ |
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121 | TERM_TYPE getTermType() const; |
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122 | |
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123 | /** |
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124 | * If this particle has an [element declaration] for its term, |
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125 | * this method returns that declaration; otherwise, it returns 0. |
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126 | * @returns The element declaration that is the [term] of this Particle |
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127 | * if and only if getTermType() == TERM_ELEMENT. |
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128 | */ |
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129 | XSElementDeclaration *getElementTerm(); |
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130 | |
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131 | /** |
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132 | * If this particle has a [model group] for its term, |
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133 | * this method returns that definition; otherwise, it returns 0. |
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134 | * @returns The model group that is the [term] of this Particle |
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135 | * if and only if getTermType() == TERM_MODELGROUP. |
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136 | */ |
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137 | XSModelGroup *getModelGroupTerm(); |
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138 | |
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139 | /** |
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140 | * If this particle has an [wildcard] for its term, |
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141 | * this method returns that declaration; otherwise, it returns 0. |
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142 | * @returns The wildcard declaration that is the [term] of this Particle |
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143 | * if and only if getTermType() == TERM_WILDCARD. |
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144 | */ |
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145 | XSWildcard *getWildcardTerm(); |
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146 | |
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147 | //@} |
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148 | |
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149 | //---------------------------------- |
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150 | /** methods needed by implementation */ |
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151 | //@{ |
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152 | |
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153 | //@} |
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154 | private: |
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155 | |
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156 | // ----------------------------------------------------------------------- |
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157 | // Unimplemented constructors and operators |
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158 | // ----------------------------------------------------------------------- |
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159 | XSParticle(const XSParticle&); |
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160 | XSParticle & operator=(const XSParticle &); |
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161 | |
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162 | protected: |
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163 | |
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164 | // ----------------------------------------------------------------------- |
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165 | // data members |
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166 | // ----------------------------------------------------------------------- |
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167 | TERM_TYPE fTermType; |
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168 | int fMinOccurs; |
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169 | int fMaxOccurs; |
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170 | XSObject* fTerm; |
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171 | }; |
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172 | |
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173 | inline int XSParticle::getMinOccurs() const |
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174 | { |
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175 | return fMinOccurs; |
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176 | } |
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177 | |
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178 | inline int XSParticle::getMaxOccurs() const |
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179 | { |
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180 | return fMaxOccurs; |
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181 | } |
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182 | |
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183 | inline bool XSParticle::getMaxOccursUnbounded() const |
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184 | { |
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185 | return (fMaxOccurs == -1); |
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186 | } |
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187 | |
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188 | inline XSParticle::TERM_TYPE XSParticle::getTermType() const |
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189 | { |
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190 | return fTermType; |
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191 | } |
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192 | |
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193 | XERCES_CPP_NAMESPACE_END |
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194 | |
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195 | #endif |
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