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SchemaValidatorFilter.hpp
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19 
20 #ifndef _SCHEMAVALIDATORFILTER_HPP
21 #define _SCHEMAVALIDATORFILTER_HPP
22 
23 #include <vector>
24 
26 
27 #include <xercesc/framework/XMLDocumentHandler.hpp>
28 #include <xercesc/framework/XMLErrorReporter.hpp>
29 #include <xercesc/validators/schema/SchemaValidator.hpp>
30 #include <xercesc/validators/schema/identity/IdentityConstraintHandler.hpp>
31 #include <xercesc/internal/XMLScanner.hpp>
32 #include <xercesc/util/RefHash3KeysIdPool.hpp>
33 
34 class DynamicContext;
36 
37 #if _XERCES_VERSION < 30000
38 typedef XMLSSize_t XMLFileLoc;
39 #endif
40 
48 class XQILLA_API SchemaValidatorFilter : public EventFilter,
49  public XERCES_CPP_NAMESPACE_QUALIFIER XMLScanner,
50  private XERCES_CPP_NAMESPACE_QUALIFIER XMLDocumentHandler,
51  private XERCES_CPP_NAMESPACE_QUALIFIER XMLErrorReporter
52 {
53 public:
54  SchemaValidatorFilter(bool strictValidation, EventHandler *next, XERCES_CPP_NAMESPACE_QUALIFIER GrammarResolver *grammarResolver,
55  XERCES_CPP_NAMESPACE_QUALIFIER MemoryManager *mm, const LocationInfo *info);
56  virtual ~SchemaValidatorFilter();
57 
58  void reset();
59 
60  virtual void startDocumentEvent(const XMLCh *documentURI, const XMLCh *encoding);
61  virtual void endDocumentEvent();
62  virtual void startElementEvent(const XMLCh *prefix, const XMLCh *uri, const XMLCh *localname);
63  virtual void endElementEvent(const XMLCh *prefix, const XMLCh *uri, const XMLCh *localname,
64  const XMLCh *typeURI, const XMLCh *typeName);
65  virtual void piEvent(const XMLCh *target, const XMLCh *value);
66  virtual void textEvent(const XMLCh *value);
67  virtual void textEvent(const XMLCh *chars, unsigned int length);
68  virtual void commentEvent(const XMLCh *value);
69  virtual void attributeEvent(const XMLCh *prefix, const XMLCh *uri, const XMLCh *localname, const XMLCh *value,
70  const XMLCh *typeURI, const XMLCh *typeName);
71  virtual void namespaceEvent(const XMLCh *prefix, const XMLCh *uri);
72 
73 private:
74  // XMLScanner
75  virtual const XMLCh *getName() const { return 0; }
76  virtual XERCES_CPP_NAMESPACE_QUALIFIER NameIdPool<XERCES_CPP_NAMESPACE_QUALIFIER DTDEntityDecl> *getEntityDeclPool() { return 0; }
77  virtual const XERCES_CPP_NAMESPACE_QUALIFIER NameIdPool<XERCES_CPP_NAMESPACE_QUALIFIER DTDEntityDecl> *getEntityDeclPool() const { return 0; }
78 #if _XERCES_VERSION < 30100
79  virtual unsigned int resolveQName(const XMLCh *const qName, XERCES_CPP_NAMESPACE_QUALIFIER XMLBuffer &prefixBufToFill,
80  const short mode, int &prefixColonPos);
81 #endif
82  virtual void scanDocument(const XERCES_CPP_NAMESPACE_QUALIFIER InputSource &src) {}
83  virtual bool scanNext(XERCES_CPP_NAMESPACE_QUALIFIER XMLPScanToken &toFill) { return false; }
84  virtual XERCES_CPP_NAMESPACE_QUALIFIER Grammar *loadGrammar(const XERCES_CPP_NAMESPACE_QUALIFIER InputSource &src,
85  const short grammarType, const bool toCache) { return 0; }
86 
87  virtual void scanCDSection() {}
88  virtual void scanCharData(XERCES_CPP_NAMESPACE_QUALIFIER XMLBuffer &toToUse) {}
89  virtual EntityExpRes scanEntityRef(const bool inAttVal, XMLCh &firstCh, XMLCh &secondCh,
90  bool &escaped) { return EntityExp_Returned; }
91  virtual void scanDocTypeDecl() {}
92  virtual void scanReset(const XERCES_CPP_NAMESPACE_QUALIFIER InputSource &src) {}
93  virtual void sendCharData(XERCES_CPP_NAMESPACE_QUALIFIER XMLBuffer &toSend) {}
94 
95  // XMLDocumentHandler
96  virtual void startDocument() {}
97  virtual void endDocument() {}
98  virtual void resetDocument() {}
99 #if _XERCES_VERSION >= 30000
100  virtual void startElement(const XERCES_CPP_NAMESPACE_QUALIFIER XMLElementDecl& elemDecl, const unsigned int urlId,
101  const XMLCh* const elemPrefix,
102  const XERCES_CPP_NAMESPACE_QUALIFIER RefVectorOf<XERCES_CPP_NAMESPACE_QUALIFIER XMLAttr>& attrList,
103  const XMLSize_t attrCount, const bool isEmpty, const bool isRoot) {}
104  virtual void docCharacters(const XMLCh* const chars, const XMLSize_t length, const bool cdataSection);
105  virtual void ignorableWhitespace(const XMLCh* const chars, const XMLSize_t length, const bool cdataSection) {}
106 #else
107  virtual void startElement(const XERCES_CPP_NAMESPACE_QUALIFIER XMLElementDecl& elemDecl, const unsigned int urlId,
108  const XMLCh* const elemPrefix,
109  const XERCES_CPP_NAMESPACE_QUALIFIER RefVectorOf<XERCES_CPP_NAMESPACE_QUALIFIER XMLAttr>& attrList,
110  const unsigned int attrCount, const bool isEmpty, const bool isRoot) {}
111  virtual void docCharacters(const XMLCh* const chars, const unsigned int length, const bool cdataSection);
112  virtual void ignorableWhitespace(const XMLCh* const chars, const unsigned int length, const bool cdataSection) {}
113 #endif
114  virtual void endElement(const XERCES_CPP_NAMESPACE_QUALIFIER XMLElementDecl& elemDecl, const unsigned int urlId,
115  const bool isRoot, const XMLCh* const elemPrefix=0) {}
116  virtual void docComment(const XMLCh* const comment) {}
117  virtual void docPI(const XMLCh* const target, const XMLCh* const data) {}
118  virtual void startEntityReference(const XERCES_CPP_NAMESPACE_QUALIFIER XMLEntityDecl& entDecl) {}
119  virtual void endEntityReference(const XERCES_CPP_NAMESPACE_QUALIFIER XMLEntityDecl& entDecl) {}
120  virtual void XMLDecl(const XMLCh* const versionStr, const XMLCh* const encodingStr, const XMLCh* const standaloneStr,
121  const XMLCh* const actualEncodingStr) {}
122 
123  // XMLErrorReporter
124  virtual void resetErrors() {}
125  virtual void error(const unsigned int errCode, const XMLCh* const errDomain, const XMLErrorReporter::ErrTypes type, const XMLCh* const errorText,
126  const XMLCh* const systemId, const XMLCh* const publicId, const XMLFileLoc lineNum, const XMLFileLoc colNum);
127 
128 private:
129  void processStartElement();
130  void processAttrs(XERCES_CPP_NAMESPACE_QUALIFIER XMLElementDecl *elemDecl);
131 
132  bool switchGrammar(const XMLCh *uri);
133  bool laxElementValidation(XERCES_CPP_NAMESPACE_QUALIFIER QName* element,
134  XERCES_CPP_NAMESPACE_QUALIFIER ContentLeafNameTypeVector* cv,
135  const XERCES_CPP_NAMESPACE_QUALIFIER XMLContentModel *cm,
136  unsigned int parentElemDepth);
137  bool anyAttributeValidation(XERCES_CPP_NAMESPACE_QUALIFIER SchemaAttDef* attWildCard, unsigned int uriId, bool& skipThisOne, bool& laxThisOne);
138  XERCES_CPP_NAMESPACE_QUALIFIER XMLElementDecl *createElementDecl(unsigned int uriId, unsigned int currentScope,
139  bool laxThisOne);
140 
141  const LocationInfo *info_;
142 
143  XERCES_CPP_NAMESPACE_QUALIFIER SchemaValidator *fSchemaValidator;
144  XERCES_CPP_NAMESPACE_QUALIFIER SchemaGrammar *fSchemaGrammar;
145  XERCES_CPP_NAMESPACE_QUALIFIER XMLBuffer fContent;
146  XERCES_CPP_NAMESPACE_QUALIFIER IdentityConstraintHandler *fICHandler;
147  XERCES_CPP_NAMESPACE_QUALIFIER RefHash3KeysIdPool<XERCES_CPP_NAMESPACE_QUALIFIER SchemaElementDecl> *fElemNonDeclPool;
148 
149  bool strictValidation_;
150  bool errorOccurred_;
151 
152  XERCES_CPP_NAMESPACE_QUALIFIER ElemStack::StackElem *parentStack_;
153  unsigned int elemDepth_;
154  XERCES_CPP_NAMESPACE_QUALIFIER XMLBuffer prefix_;
155  XERCES_CPP_NAMESPACE_QUALIFIER XMLBuffer uri_;
156  XERCES_CPP_NAMESPACE_QUALIFIER XMLBuffer localname_;
157  bool elementToProcess_;
158  const XMLCh *xsiType_;
159  unsigned int attrCount_;
160 };
161 
162 #endif
Definition: EventHandler.hpp:67
virtual void startElementEvent(const XMLCh *prefix, const XMLCh *uri, const XMLCh *localname)
Handles the start of an element node as an event.
Definition: EventHandler.hpp:95
Definition: EventHandler.hpp:29
virtual void endDocumentEvent()
Handles a document node as an event.
Definition: EventHandler.hpp:90
The SchemaValidatorFilter class will modify the incoming event stream by validating it against the sc...
Definition: SchemaValidatorFilter.hpp:48
XMLSSize_t XMLFileLoc
Definition: SchemaValidatorFilter.hpp:35
virtual void namespaceEvent(const XMLCh *prefix, const XMLCh *uri)
Handles a namespace binding as an event.
Definition: EventHandler.hpp:132
virtual void startDocumentEvent(const XMLCh *documentURI, const XMLCh *encoding)
Handles a document node as an event.
Definition: EventHandler.hpp:85
virtual void attributeEvent(const XMLCh *prefix, const XMLCh *uri, const XMLCh *localname, const XMLCh *value, const XMLCh *typeURI, const XMLCh *typeName)
Handles an attribute node as an event.
Definition: EventHandler.hpp:126
The execution time dynamic context interface.
Definition: DynamicContext.hpp:38
virtual void endElementEvent(const XMLCh *prefix, const XMLCh *uri, const XMLCh *localname, const XMLCh *typeURI, const XMLCh *typeName)
Handles the end of an element node as an event.
Definition: EventHandler.hpp:100
virtual void piEvent(const XMLCh *target, const XMLCh *value)
Handles a processing instruction node as an event.
Definition: EventHandler.hpp:106
A class that gives records a location in the query.
Definition: LocationInfo.hpp:29
virtual void commentEvent(const XMLCh *value)
Handles a comment node as an event.
Definition: EventHandler.hpp:121
virtual void textEvent(const XMLCh *value)
Handles a text node as an event.
Definition: EventHandler.hpp:111