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: DGXMLScanner.hpp 568078 2007-08-21 11:43:25Z amassari $ |
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20 */ |
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21 |
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22 |
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23 #if !defined(DGXMLSCANNER_HPP) |
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24 #define DGXMLSCANNER_HPP |
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25 |
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26 #include <xercesc/internal/XMLScanner.hpp> |
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27 #include <xercesc/util/ValueVectorOf.hpp> |
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28 #include <xercesc/util/NameIdPool.hpp> |
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29 #include <xercesc/validators/common/Grammar.hpp> |
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30 |
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31 XERCES_CPP_NAMESPACE_BEGIN |
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32 |
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33 class DTDElementDecl; |
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34 class DTDGrammar; |
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35 class DTDValidator; |
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36 |
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37 // This is an integrated scanner class, which does DTD/XML Schema grammar |
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38 // processing. |
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39 class XMLPARSER_EXPORT DGXMLScanner : public XMLScanner |
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40 { |
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41 public : |
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42 // ----------------------------------------------------------------------- |
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43 // Constructors and Destructor |
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44 // ----------------------------------------------------------------------- |
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45 DGXMLScanner |
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46 ( |
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47 XMLValidator* const valToAdopt |
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48 , GrammarResolver* const grammarResolver |
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49 , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager |
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50 ); |
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51 DGXMLScanner |
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52 ( |
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53 XMLDocumentHandler* const docHandler |
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54 , DocTypeHandler* const docTypeHandler |
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55 , XMLEntityHandler* const entityHandler |
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56 , XMLErrorReporter* const errReporter |
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57 , XMLValidator* const valToAdopt |
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58 , GrammarResolver* const grammarResolver |
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59 , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager |
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60 ); |
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61 virtual ~DGXMLScanner(); |
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62 |
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63 // ----------------------------------------------------------------------- |
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64 // XMLScanner public virtual methods |
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65 // ----------------------------------------------------------------------- |
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66 virtual const XMLCh* getName() const; |
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67 virtual NameIdPool<DTDEntityDecl>* getEntityDeclPool(); |
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68 virtual const NameIdPool<DTDEntityDecl>* getEntityDeclPool() const; |
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69 virtual unsigned int resolveQName |
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70 ( |
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71 const XMLCh* const qName |
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72 , XMLBuffer& prefixBufToFill |
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73 , const short mode |
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74 , int& prefixColonPos |
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75 ); |
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76 virtual void scanDocument |
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77 ( |
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78 const InputSource& src |
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79 ); |
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80 virtual bool scanNext(XMLPScanToken& toFill); |
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81 virtual Grammar* loadGrammar |
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82 ( |
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83 const InputSource& src |
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84 , const short grammarType |
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85 , const bool toCache = false |
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86 ); |
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87 |
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88 virtual Grammar::GrammarType getCurrentGrammarType() const; |
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89 |
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90 private : |
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91 // ----------------------------------------------------------------------- |
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92 // Unimplemented constructors and operators |
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93 // ----------------------------------------------------------------------- |
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94 DGXMLScanner(); |
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95 DGXMLScanner(const DGXMLScanner&); |
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96 DGXMLScanner& operator=(const DGXMLScanner&); |
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97 |
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98 // ----------------------------------------------------------------------- |
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99 // XMLScanner virtual methods |
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100 // ----------------------------------------------------------------------- |
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101 virtual void scanCDSection(); |
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102 virtual void scanCharData(XMLBuffer& toToUse); |
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103 virtual EntityExpRes scanEntityRef |
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104 ( |
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105 const bool inAttVal |
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106 , XMLCh& firstCh |
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107 , XMLCh& secondCh |
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108 , bool& escaped |
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109 ); |
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110 virtual void scanDocTypeDecl(); |
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111 virtual void scanReset(const InputSource& src); |
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112 virtual void sendCharData(XMLBuffer& toSend); |
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113 virtual InputSource* resolveSystemId(const XMLCh* const sysId |
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114 ,const XMLCh* const pubId); |
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115 |
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116 // ----------------------------------------------------------------------- |
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117 // Private helper methods |
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118 // ----------------------------------------------------------------------- |
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119 void commonInit(); |
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120 void cleanUp(); |
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121 |
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122 unsigned int buildAttList |
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123 ( |
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124 const unsigned int attCount |
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125 , XMLElementDecl* elemDecl |
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126 , RefVectorOf<XMLAttr>& toFill |
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127 ); |
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128 unsigned int resolvePrefix |
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129 ( |
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130 const XMLCh* const prefix |
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131 , const ElemStack::MapModes mode |
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132 ); |
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133 void updateNSMap |
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134 ( |
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135 const XMLCh* const attrPrefix |
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136 , const XMLCh* const attrLocalName |
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137 , const XMLCh* const attrValue |
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138 ); |
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139 void scanAttrListforNameSpaces(RefVectorOf<XMLAttr>* theAttrList, int attCount, XMLElementDecl* elemDecl); |
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140 |
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141 // ----------------------------------------------------------------------- |
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142 // Private scanning methods |
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143 // ----------------------------------------------------------------------- |
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144 bool scanAttValue |
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145 ( |
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146 const XMLAttDef* const attDef |
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147 , const XMLCh *const attrName |
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148 , XMLBuffer& toFill |
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149 ); |
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150 bool scanContent(); |
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151 void scanEndTag(bool& gotData); |
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152 bool scanStartTag(bool& gotData); |
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153 bool scanStartTagNS(bool& gotData); |
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154 |
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155 // ----------------------------------------------------------------------- |
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156 // Grammar preparsing methods |
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157 // ----------------------------------------------------------------------- |
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158 Grammar* loadDTDGrammar(const InputSource& src, const bool toCache = false); |
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159 |
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160 // ----------------------------------------------------------------------- |
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161 // Data members |
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162 // |
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163 // fRawAttrList |
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164 // During the initial scan of the attributes we can only do a raw |
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165 // scan for key/value pairs. So this vector is used to store them |
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166 // until they can be processed (and put into fAttrList.) |
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167 // |
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168 // fDTDValidator |
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169 // The DTD validator instance. |
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170 // |
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171 // fElemState |
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172 // fElemStateSize |
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173 // Stores an element next state from DFA content model - used for |
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174 // wildcard validation |
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175 // |
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176 // fDTDElemNonDeclPool |
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177 // registry of "faulted-in" DTD element decls |
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178 // fElemCount |
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179 // count of the number of start tags seen so far (starts at 1). |
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180 // Used for duplicate attribute detection/processing of required/defaulted attributes |
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181 // fAttDefRegistry |
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182 // mapping from XMLAttDef instances to the count of the last |
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183 // start tag where they were utilized. |
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184 // fUndeclaredAttrRegistry |
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185 // mapping of attr QNames to the count of the last start tag in which they occurred |
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186 // |
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187 // ----------------------------------------------------------------------- |
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188 ValueVectorOf<XMLAttr*>* fAttrNSList; |
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189 DTDValidator* fDTDValidator; |
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190 DTDGrammar* fDTDGrammar; |
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191 NameIdPool<DTDElementDecl>* fDTDElemNonDeclPool; |
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192 unsigned int fElemCount; |
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193 RefHashTableOf<unsigned int>* fAttDefRegistry; |
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194 RefHashTableOf<unsigned int>* fUndeclaredAttrRegistry; |
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195 }; |
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196 |
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197 inline const XMLCh* DGXMLScanner::getName() const |
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198 { |
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199 return XMLUni::fgDGXMLScanner; |
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200 } |
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201 |
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202 inline Grammar::GrammarType DGXMLScanner::getCurrentGrammarType() const |
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203 { |
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204 return Grammar::DTDGrammarType; |
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205 } |
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206 |
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207 XERCES_CPP_NAMESPACE_END |
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208 |
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209 #endif |
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