igxmlscanner.hpp

基于属性证书的访问控制源代码,由c++编写,包括openssl,xercesc等

    virtual void scanCDSection();
    virtual void scanCharData(XMLBuffer& toToUse);
    virtual EntityExpRes scanEntityRef
    (
        const   bool    inAttVal
        ,       XMLCh&  firstCh
        ,       XMLCh&  secondCh
        ,       bool&   escaped
    );
    virtual void scanDocTypeDecl();
    virtual void scanReset(const InputSource& src);
    virtual void sendCharData(XMLBuffer& toSend);

    // -----------------------------------------------------------------------
    //  Private helper methods
    // -----------------------------------------------------------------------
    void commonInit();
    void cleanUp();
    InputSource* resolveSystemId(const XMLCh* const sysId); // return owned by caller

    // Spaces are not allowed in URI, so %20 is used instead.
    // Convert %20 to spaces before resolving the URI
    void normalizeURI(const XMLCh* const systemURI, XMLBuffer& normalizedURI);

    unsigned int buildAttList
    (
        const   RefVectorOf<KVStringPair>&  providedAttrs
        , const unsigned int                attCount
        ,       XMLElementDecl*             elemDecl
        ,       RefVectorOf<XMLAttr>&       toFill
    );
    bool normalizeAttValue
    (
        const   XMLAttDef* const    attDef
        , const XMLCh* const       name 
        , const XMLCh* const        value
        ,       XMLBuffer&          toFill
    );
    bool normalizeAttRawValue
    (
        const   XMLCh* const        attrName
        , const XMLCh* const        value
        ,       XMLBuffer&          toFill
    );
    unsigned int resolvePrefix
    (
        const   XMLCh* const        prefix
        , const ElemStack::MapModes mode
    );
    unsigned int resolvePrefix
    (
        const   XMLCh* const        prefix
        ,       XMLBuffer&          uriBufToFill
        , const ElemStack::MapModes mode
    );
    void updateNSMap
    (
        const   XMLCh* const    attrName
        , const XMLCh* const    attrValue
    );
    void scanRawAttrListforNameSpaces(int attCount);
    void parseSchemaLocation(const XMLCh* const schemaLocationStr);
    void resolveSchemaGrammar(const XMLCh* const loc, const XMLCh* const uri);
    bool switchGrammar(const XMLCh* const newGrammarNameSpace);
    bool laxElementValidation(QName* element, ContentLeafNameTypeVector* cv,
                              const XMLContentModel* const cm,
                              const unsigned int parentElemDepth);
    bool anyAttributeValidation(SchemaAttDef* attWildCard,
                                unsigned int uriId,
                                bool& skipThisOne,
                                bool& laxThisOne);
    void resizeElemState();
    void processSchemaLocation(XMLCh* const schemaLoc);

    // -----------------------------------------------------------------------
    //  Private scanning methods
    // -----------------------------------------------------------------------
    bool basicAttrValueScan
    (
        const   XMLCh* const    attrName
        ,       XMLBuffer&      toFill
    );
    unsigned int rawAttrScan
    (
        const   XMLCh* const                elemName
        ,       RefVectorOf<KVStringPair>&  toFill
        ,       bool&                       isEmpty
    );
    bool scanAttValue
    (
        const   XMLAttDef* const    attDef
        , const   XMLCh* const      attrName
        ,       XMLBuffer&          toFill
    );
    bool scanContent();
    void scanEndTag(bool& gotData);
    bool scanStartTag(bool& gotData);
    bool scanStartTagNS(bool& gotData);

    // -----------------------------------------------------------------------
    //  IdentityConstraints Activation methods
    // -----------------------------------------------------------------------
    void activateSelectorFor(IdentityConstraint* const ic, const int initialDepth);

    // -----------------------------------------------------------------------
    //  Grammar preparsing methods
    // -----------------------------------------------------------------------
    Grammar* loadXMLSchemaGrammar(const InputSource& src, const bool toCache = false);
    Grammar* loadDTDGrammar(const InputSource& src, const bool toCache = false);

    // -----------------------------------------------------------------------
    //  PSVI handling methods
    // -----------------------------------------------------------------------
    void endElementPSVI(SchemaElementDecl* const elemDecl,
                        DatatypeValidator* const memberDV);
    void resetPSVIElemContext();

    // -----------------------------------------------------------------------
    //  Data members
    //
    //  fRawAttrList
    //      During the initial scan of the attributes we can only do a raw
    //      scan for key/value pairs. So this vector is used to store them
    //      until they can be processed (and put into fAttrList.)
    //
    //  fDTDValidator
    //      The DTD validator instance.
    //
    //  fSchemaValidator
    //      The Schema validator instance.
    //
    //  fSeeXsi
    //      This flag indicates a schema has been seen.
    //
    //  fElemState
    //  fElemStateSize
    //      Stores an element next state from DFA content model - used for
    //      wildcard validation
    //
    //  fMatcherStack
    //      Stack of active XPath matchers for identity constraints. All
    //      active XPath matchers are notified of startElement, characters
    //      and endElement callbacks in order to perform their matches.
    //
    //  fValueStoreCache
    //      Cache of value stores for identity constraint fields.
    //
    //  fFieldActivator
    //      Activates fields within a certain scope when a selector matches
    //      its xpath.
    // fDTDElemNonDeclPool
    //      registry of "faulted-in" DTD element decls
    // fSchemaElemNonDeclPool
    //      registry for elements without decls in the grammar
    // fElemCount
    //      count of the number of start tags seen so far (starts at 1).
    //      Used for duplicate attribute detection/processing of required/defaulted attributes
    // fAttDefRegistry
    //      mapping from XMLAttDef instances to the count of the last
    //      start tag where they were utilized.
    // fUndeclaredAttrRegistry
    //      mapping of attr QNames to the count of the last start tag in which they occurred
    // fUndeclaredAttrRegistryNS
    //      mapping of namespaceId/localName pairs to the count of the last
    //      start tag in which they occurred.
    //  fPSVIAttrList
    //      PSVI attribute list implementation that needs to be
    //      filled when a PSVIHandler is registered
    //
    // -----------------------------------------------------------------------
    bool                        fSeeXsi;
    Grammar::GrammarType        fGrammarType;
    unsigned int                fElemStateSize;
    unsigned int*               fElemState;
    XMLBuffer                   fContent;
    RefVectorOf<KVStringPair>*  fRawAttrList;
    DTDValidator*               fDTDValidator;
    SchemaValidator*            fSchemaValidator;
    DTDGrammar*                 fDTDGrammar;
    XPathMatcherStack*          fMatcherStack;
    ValueStoreCache*            fValueStoreCache;
    FieldActivator*             fFieldActivator;
    ValueVectorOf<XMLCh*>*      fLocationPairs;
    NameIdPool<DTDElementDecl>* fDTDElemNonDeclPool;
    RefHash3KeysIdPool<SchemaElementDecl>* fSchemaElemNonDeclPool;
    unsigned int                            fElemCount;
    RefHashTableOf<unsigned int>*           fAttDefRegistry;
    RefHashTableOf<unsigned int>*           fUndeclaredAttrRegistry;
    RefHash2KeysTableOf<unsigned int>*      fUndeclaredAttrRegistryNS;
    PSVIAttributeList *                     fPSVIAttrList;
    XSModel*                                fModel;
    PSVIElement*                            fPSVIElement;
    ValueStackOf<bool>*                     fErrorStack;
    PSVIElemContext                         fPSVIElemContext;
};

inline const XMLCh* IGXMLScanner::getName() const
{
    return XMLUni::fgIGXMLScanner;
}


XERCES_CPP_NAMESPACE_END

#endif