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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