abstractdomparser.hpp

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      *
      * If you exited because of an error, then this cleanup will be done
      * for you. Its only when you exit the file prematurely of your own
      * accord, because you've found what you wanted in the file most
      * likely.
      *
      * @param token A token maintaing state information to maintain
      *              internal consistency between invocation of 'parseNext'
      *              calls.
      *
      * @see #parseFirst(XMLCh*,...)
      * @see #parseFirst(char*,...)
      * @see #parseFirst(InputSource&,...)
      */
    void parseReset(XMLPScanToken& token);

    //@}

    // -----------------------------------------------------------------------
    //  Implementation of the PSVIHandler interface.
    // -----------------------------------------------------------------------
    
    /** @name Implementation of the PSVIHandler interface. */
    //@{

    /** Receive notification of the PSVI properties of an element.
      * The scanner will issue this call after the XMLDocumentHandler
      * endElement call.  Since the scanner will issue the psviAttributes
      * call immediately after reading the start tag of an element, all element
      * content will be effectively bracketed by these two calls.
      * @param  localName The name of the element whose end tag was just
      *                     parsed.
      * @param  uri       The namespace to which the element is bound
      * @param  elementInfo    Object containing the element's PSVI properties
      */
    virtual void handleElementPSVI
    (
        const   XMLCh* const            localName 
        , const XMLCh* const            uri
        ,       PSVIElement *           elementInfo
    );

    virtual void handlePartialElementPSVI
    (
        const   XMLCh* const            localName 
        , const XMLCh* const            uri
        ,       PSVIElement *           elementInfo
    );
    /**
      * Enables PSVI information about attributes to be passed back to the
      * application.  This callback will be made on *all*
      * elements; on elements with no attributes, the final parameter will
      * be null.
      * @param  localName The name of the element upon which start tag 
      *          these attributes were encountered.
      * @param  uri       The namespace to which the element is bound
      * @param  psviAttributes   Object containing the attributes' PSVI properties
      *          with information to identify them.
      */
    virtual void handleAttributesPSVI
    (
        const   XMLCh* const            localName 
        , const XMLCh* const            uri
        ,       PSVIAttributeList *     psviAttributes
    );
    //@}

    // -----------------------------------------------------------------------
    //  Implementation of the XMLDocumentHandler interface.
    // -----------------------------------------------------------------------

    /** @name Implementation of the XMLDocumentHandler interface. */
    //@{

    /** Handle document character events
      *
      * This method is used to report all the characters scanned by the
      * parser. This DOM implementation stores this data in the appropriate
      * DOM node, creating one if necessary.
      *
      * @param chars   A const pointer to a Unicode string representing the
      *                character data.
      * @param length  The length of the Unicode string returned in 'chars'.
      * @param cdataSection  A flag indicating if the characters represent
      *                      content from the CDATA section.
      */
    virtual void docCharacters
    (
        const   XMLCh* const    chars
        , const unsigned int    length
        , const bool            cdataSection
    );

    /** Handle a document comment event
      *
      * This method is used to report any comments scanned by the parser.
      * A new comment node is created which stores this data.
      *
      * @param comment A const pointer to a null terminated Unicode
      *                string representing the comment text.
      */
    virtual void docComment
    (
        const   XMLCh* const    comment
    );

    /** Handle a document PI event
      *
      * This method is used to report any PI scanned by the parser. A new
      * PI node is created and appended as a child of the current node in
      * the tree.
      *
      * @param target A const pointer to a Unicode string representing the
      *               target of the PI declaration.
      * @param data   A const pointer to a Unicode string representing the
      *               data of the PI declaration. See the PI production rule
      *               in the XML specification for details.
      */
    virtual void docPI
    (
        const   XMLCh* const    target
        , const XMLCh* const    data
    );

    /** Handle the end of document event
      *
      * This method is used to indicate the end of the current document.
      */
    virtual void endDocument();

    /** Handle and end of element event
      *
      * This method is used to indicate the end tag of an element. The
      * DOM parser pops the current element off the top of the element
      * stack, and make it the new current element.
      *
      * @param elemDecl A const reference to the object containing element
      *                 declaration information.
      * @param urlId    An id referring to the namespace prefix, if
      *                 namespaces setting is switched on.
      * @param isRoot   A flag indicating whether this element was the
      *                 root element.
      * @param elemPrefix A const pointer to a Unicode string containing
      *                 the namespace prefix for this element. Applicable
      *                 only when namespace processing is enabled.
      */
    virtual void endElement
    (
        const   XMLElementDecl& elemDecl
        , const unsigned int    urlId
        , const bool            isRoot
        , const XMLCh* const    elemPrefix
    );

    /** Handle and end of entity reference event
      *
      * This method is used to indicate that an end of an entity reference
      * was just scanned.
      *
      * @param entDecl A const reference to the object containing the
      *                entity declaration information.
      */
    virtual void endEntityReference
    (
        const   XMLEntityDecl&  entDecl
    );

    /** Handle an ignorable whitespace vent
      *
      * This method is used to report all the whitespace characters, which
      * are determined to be 'ignorable'. This distinction between characters
      * is only made, if validation is enabled.
      *
      * Any whitespace before content is ignored. If the current node is
      * already of type DOMNode::TEXT_NODE, then these whitespaces are
      * appended, otherwise a new Text node is created which stores this
      * data. Essentially all contiguous ignorable characters are collected
      * in one node.
      *
      * @param chars   A const pointer to a Unicode string representing the
      *                ignorable whitespace character data.
      * @param length  The length of the Unicode string 'chars'.
      * @param cdataSection  A flag indicating if the characters represent
      *                      content from the CDATA section.
      */
    virtual void ignorableWhitespace
    (
        const   XMLCh* const    chars
        , const unsigned int    length
        , const bool            cdataSection
    );

    /** Handle a document reset event
      *
      * This method allows the user installed Document Handler to 'reset'
      * itself, freeing all the memory resources. The scanner calls this
      * method before starting a new parse event.
      */
    virtual void resetDocument();

    /** Handle a start document event
      *
      * This method is used to report the start of the parsing process.
      */
    virtual void startDocument();

    /** Handle a start element event
      *
      * This method is used to report the start of an element. It is
      * called at the end of the element, by which time all attributes
      * specified are also parsed. A new DOM Element node is created
      * along with as many attribute nodes as required. This new element
      * is added appended as a child of the current node in the tree, and
      * then replaces it as the current node (if the isEmpty flag is false.)
      *
      * @param elemDecl A const reference to the object containing element
      *                 declaration information.
      * @param urlId    An id referring to the namespace prefix, if
      *                 namespaces setting is switched on.
      * @param elemPrefix A const pointer to a Unicode string containing
      *                 the namespace prefix for this element. Applicable
      *                 only when namespace processing is enabled.
      * @param attrList A const reference to the object containing the
      *                 list of attributes just scanned for this element.
      * @param attrCount A count of number of attributes in the list
      *                 specified by the parameter 'attrList'.
      * @param isEmpty  A flag indicating whether this is an empty element
      *                 or not. If empty, then no endElement() call will
      *                 be made.
      * @param isRoot   A flag indicating whether this element was the
      *                 root element.
      * @see DocumentHandler#startElement
      */
    virtual void startElement
    (
        const   XMLElementDecl&         elemDecl
        , const unsigned int            urlId
        , const XMLCh* const            elemPrefix
        , const RefVectorOf<XMLAttr>&   attrList
        , const unsigned int            attrCount
        , const bool                    isEmpty
        , const bool                    isRoot
    );

    /** Handle a start entity reference event
      *
      * This method is used to indicate the start of an entity reference.
      * If the expand entity reference flag is true, then a new
      * DOM Entity reference node is created.
      *
      * @param entDecl A const reference to the object containing the
      *                entity declaration information.
      */
    virtual void startEntityReference
    (
        const   XMLEntityDecl&  entDecl
    );

    /** Handle an XMLDecl event
      *
      * This method is used to report the XML decl scanned by the parser.
      * Refer to the XML specification to see the meaning of parameters.
      *
      * <b>This method is a no-op for this DOM
      * implementation.</b>
      *
      * @param versionStr A const pointer to a Unicode string representing
      *                   version string value.
      * @param encodingStr A const pointer to a Unicode string representing
      *                    the encoding string value.
      * @param standaloneStr A const pointer to a Unicode string
      *                      representing the standalone string value.
      * @param actualEncStr A const pointer to a Unicode string
      *                     representing the actual encoding string
      *                     value.
      */
    virtual void XMLDecl
    (
        const   XMLCh* const    versionStr
        , const XMLCh* const    encodingStr
        , const XMLCh* const    standaloneStr
        , const XMLCh* const    actualEncStr
    );

    /** Receive notification of the name and namespace of the type that validated 
      * the element corresponding to the most recent endElement event.
      * This event will be fired immediately after the
      * endElement() event that signifies the end of the element
      * to which it applies; no other events will intervene.
      * This method is <em>EXPERIMENTAL</em> and may change, disappear 
      * or become pure virtual at any time.
      *
      * This corresponds to a part of the information required by DOM Core
      * level 3's TypeInfo interface.
      *
      * @param  typeName        local name of the type that actually validated
      *                         the content of the element corresponding to the
      *                         most recent endElement() callback
      * @param  typeURI         namespace of the type that actually validated
      *                         the content of the element corresponding to the
      *                         most recent endElement() callback
      * @deprecated
      */
    virtual void elementTypeInfo
    (
        const   XMLCh* const    typeName
        , const XMLCh* const    typeURI
    );
    //@}


    // -----------------------------------------------------------------------
    //  Implementation of the deprecated DocTypeHandler interface.
    // -----------------------------------------------------------------------
    /** @name Deprecated DocTypeHandler Interfaces */
    //@{
    virtual void attDef
    (
        const   DTDElementDecl&     elemDecl
        , const DTDAttDef&          attDef
        , const bool                ignoring
    );

    virtual void doctypeComment
    (
        const   XMLCh* const    comment
    );

    virtual void doctypeDecl
    (
        const   DTDElementDecl& elemDecl
        , const XMLCh* const    publicId
        , const XMLCh* const    systemId
        , const bool            hasIntSubset
        , const bool            hasExtSubset = false
    );

    virtual void doctypePI
    (
        const   XMLCh* const    target
        , const XMLCh* const    data
    );

    virtual void doctypeWhitespace
    (
        const   XMLCh* const    chars
        , const unsigned int    length
    );

    virtual void elementDecl
    (
        const   DTDElementDecl& decl
        , const bool            isIgnored
    );