it_bus_pdk/xml_sax_attribute_impl.h

#ifndef _IT_BUS_PDK_XML_SAX_ATTRIBUTE_IMPL_H_
#define _IT_BUS_PDK_XML_SAX_ATTRIBUTE_IMPL_H_

// @Copyright 2004 IONA Technologies, Plc. All Rights Reserved.
//

#include <xercesc/dom/DOM.hpp>
#include <xercesc/sax2/Attributes.hpp>
#include <it_bus/types.h>
#include <it_dsa/vector.h>

XERCES_CPP_NAMESPACE_USE

namespace IT_Bus
{

    // This class provides an internal-only custom implementation of
    // the SAX Attribute interface, as the existing SAX implementation
    // (VecAttributesImpl) requires that the XML document already be
    // parsed by SAX, whereas all we need is a simple representation of
    // DOM Attributes within the SAX framework.
    //
    // Note that some of the function names used in this class do not 
    // conform to the IONA style guidelines because this class must
    // override some pure virtual SAX-provided functions that use a 
    // different style.
    //
    class IT_SaxAttributesImpl : public Attributes
    {   
      public:

        IT_SaxAttributesImpl();

        ~IT_SaxAttributesImpl();

        // Attributes overrides
        //
        unsigned int 
        getLength() const;

        const XMLCh* 
        getURI(
            const unsigned int index
        ) const;

        const XMLCh* 
        getLocalName(
            const unsigned int index
        ) const;

        const XMLCh* 
        getQName(
            const unsigned int index
        ) const;
        
        const XMLCh* 
        getType(
            const unsigned int index
        ) const;

        const XMLCh* 
        getValue(
            const unsigned int index
        ) const;

        int 
        getIndex(
            const XMLCh* const uri, 
            const XMLCh* const localPart
        ) const;
        
        int 
        getIndex(
            const XMLCh* const qName
        ) const;

        const XMLCh* 
        getType(
            const XMLCh* const uri, 
            const XMLCh* const localPart
        ) const;
        
        const XMLCh* 
        getType(
            const XMLCh* const qName
        ) const;

        const XMLCh* 
        getValue(
            const XMLCh* const qName
        ) const;
        
        const XMLCh* 
        getValue(
            const XMLCh* const uri, 
            const XMLCh* const localPart
        ) const;

        // Custom methods

        void
        add_attribute(
            const XMLCh* const name,        
            const XMLCh* const value,
            const XMLCh* const prefix,
            const XMLCh* const uri
        );

      private:
          
        struct SimpleXMLAttribute
        {
            SimpleXMLAttribute(
                const XMLCh* const local_name,
                const XMLCh* const value,
                const XMLCh* const prefix,
                const XMLCh* const uri
            );
            
            ~SimpleXMLAttribute();

            XMLCh*      m_local_name;       
            XMLCh*      m_value;
            XMLCh*      m_prefix;
            XMLCh*      m_uri;
            XMLCh*      m_qname;
        };

        IT_Vector<SimpleXMLAttribute*> m_attributes;
    };
}

#endif  

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