xsddomparser.cpp

来自「IBM的解析xml的工具Xerces的源代码」· C++ 代码 · 共 530 行 · 第 1/2 页

                fScanner->getURIText(urlId), elemDecl.getBaseName());
        }
    }
    else {
        elem = createElementNSNode(0, elemDecl.getBaseName());
    }

    DOMElementImpl *elemImpl = (DOMElementImpl *) elem;
    for (unsigned int index = 0; index < attrCount; ++index)
    {
        const XMLAttr* oneAttrib = attrList.elementAt(index);
        unsigned int attrURIId = oneAttrib->getURIId();
        const XMLCh* namespaceURI = 0;

        //for xmlns=...
        if (XMLString::equals(oneAttrib->getName(), XMLUni::fgXMLNSString))
            attrURIId = fScanner->getXMLNSNamespaceId();

        //TagName has a prefix
        if (attrURIId != fScanner->getEmptyNamespaceId())
            namespaceURI = fScanner->getURIText(attrURIId); //get namespaceURI

        //  revisit.  Optimize to init the named node map to the
        //            right size up front.
        DOMAttrImpl *attr = (DOMAttrImpl *)
            fDocument->createAttributeNS(namespaceURI, oneAttrib->getQName());
        attr->setValue(oneAttrib -> getValue());
        DOMNode* remAttr = elemImpl->setAttributeNodeNS(attr);
        if (remAttr)
            remAttr->release();

        // Attributes of type ID.  If this is one, add it to the hashtable of IDs
        //   that is constructed for use by GetElementByID().
        if (oneAttrib->getType()==XMLAttDef::ID)
        {
            if (fDocument->fNodeIDMap == 0)
                fDocument->fNodeIDMap = new (fDocument) DOMNodeIDMap(500, fDocument);
            fDocument->fNodeIDMap->add(attr);
            attr->fNode.isIdAttr(true);
        }

        attr->setSpecified(oneAttrib->getSpecified());
    }

    // set up the default attributes
    if (elemDecl.hasAttDefs())
	{
        XMLAttDefList* defAttrs = &elemDecl.getAttDefList();
        XMLAttDef* attr = 0;
        DOMAttrImpl * insertAttr = 0;

        while (defAttrs->hasMoreElements())
        {
            attr = &defAttrs->nextElement();

            const XMLAttDef::DefAttTypes defType = attr->getDefaultType();
            if ((defType == XMLAttDef::Default)
            ||  (defType == XMLAttDef::Fixed))
            {
                // DOM Level 2 wants all namespace declaration attributes
                // to be bound to "http://www.w3.org/2000/xmlns/"
                // So as long as the XML parser doesn't do it, it needs to
                // done here.
                const XMLCh* qualifiedName = attr->getFullName();
                XMLBufBid bbPrefixQName(&fBufMgr);
                XMLBuffer& prefixBuf = bbPrefixQName.getBuffer();
                int colonPos = -1;
                unsigned int uriId = fScanner->resolveQName(qualifiedName, prefixBuf, ElemStack::Mode_Attribute, colonPos);

                const XMLCh* namespaceURI = 0;
                if (XMLString::equals(qualifiedName, XMLUni::fgXMLNSString))
                    uriId = fScanner->getXMLNSNamespaceId();

                //TagName has a prefix
                if (uriId != fScanner->getEmptyNamespaceId())
                    namespaceURI = fScanner->getURIText(uriId);

                insertAttr = (DOMAttrImpl *) fDocument->createAttributeNS(
                    namespaceURI, qualifiedName);

                DOMAttr* remAttr = elemImpl->setDefaultAttributeNodeNS(insertAttr);
                if (remAttr)
                    remAttr->release();

                if (attr->getValue() != 0)
                {
                    insertAttr->setValue(attr->getValue());
                    insertAttr->setSpecified(false);
                }
            }

            insertAttr = 0;
            attr->reset();
        }
    }

    fCurrentParent->appendChild(elem);
    fNodeStack->push(fCurrentParent);
    fCurrentParent = elem;
    fCurrentNode = elem;
    fWithinElement = true;

    // If an empty element, do end right now (no endElement() will be called)
    if (isEmpty)
        endElement(elemDecl, urlId, isRoot, elemPrefix);
}



void XSDDOMParser::endElement( const XMLElementDecl& elemDecl
                             , const unsigned int
                             , const bool
                             , const XMLCh* const)
{
    if(fAnnotationDepth > -1)
    {
        if (fInnerAnnotationDepth == fDepth)
        {
            fInnerAnnotationDepth = -1;
            endAnnotationElement(elemDecl, false);
	    }
        else if (fAnnotationDepth == fDepth) 
        {
            fAnnotationDepth = -1;
            endAnnotationElement(elemDecl, true);
        }
        else 
        {   // inside a child of annotation
            endAnnotationElement(elemDecl, false);
            fDepth--;
            return;
        }
    }

	fDepth--;
    fCurrentNode   = fCurrentParent;
    fCurrentParent = fNodeStack->pop();

    // If we've hit the end of content, clear the flag
    if (fNodeStack->empty())
        fWithinElement = false;
}

void XSDDOMParser::docCharacters(  const   XMLCh* const    chars
                              , const unsigned int    length
                              , const bool            cdataSection)
{
    // Ignore chars outside of content
    if (!fWithinElement)
        return;

    if (fInnerAnnotationDepth == -1)
    {
        if (!((ReaderMgr*) fScanner->getReaderMgr())->getCurrentReader()->isAllSpaces(chars, length))
        {
            ReaderMgr::LastExtEntityInfo lastInfo;
            fScanner->getReaderMgr()->getLastExtEntityInfo(lastInfo);
            fXSLocator.setValues(lastInfo.systemId, lastInfo.publicId, lastInfo.lineNumber, lastInfo.colNumber);
            fXSDErrorReporter.emitError(XMLValid::NonWSContent, XMLUni::fgValidityDomain, &fXSLocator);
        }
    }
    // when it's within either of the 2 annotation subelements, characters are
    // allowed and we need to store them.
    else if (cdataSection == true)
    {
        fAnnotationBuf.append(XMLUni::fgCDataStart);
        fAnnotationBuf.append(chars, length);
        fAnnotationBuf.append(XMLUni::fgCDataEnd);
    }
    else
    {
        for(unsigned int i = 0; i < length; i++ )
        {
            if(chars[i] == chAmpersand)
            {
                fAnnotationBuf.append(chAmpersand);
                fAnnotationBuf.append(XMLUni::fgAmp);
                fAnnotationBuf.append(chSemiColon);
            }
            else if (chars[i] == chOpenAngle)
            {
                fAnnotationBuf.append(chAmpersand);
                fAnnotationBuf.append(XMLUni::fgLT);
                fAnnotationBuf.append(chSemiColon);
            }
            else {
                fAnnotationBuf.append(chars[i]);
            }
        }
    }
}

void XSDDOMParser::docComment(const XMLCh* const comment)
{
    if (fAnnotationDepth > -1)
    {
        fAnnotationBuf.append(XMLUni::fgCommentString);
        fAnnotationBuf.append(comment);
        fAnnotationBuf.append(chDash);
        fAnnotationBuf.append(chDash);
        fAnnotationBuf.append(chCloseAngle);
    }
}

void XSDDOMParser::startEntityReference(const XMLEntityDecl&)
{
}

void XSDDOMParser::endEntityReference(const XMLEntityDecl&)
{
}

void XSDDOMParser::ignorableWhitespace( const XMLCh* const chars
                                      , const unsigned int length
                                      , const bool)
{
    // Ignore chars before the root element
    if (!fWithinElement || !fIncludeIgnorableWhitespace)
        return;

    if (fAnnotationDepth > -1)
        fAnnotationBuf.append(chars, length);
}

// ---------------------------------------------------------------------------
//  XSDDOMParser: Implementation of the XMLErrorReporter interface
// ---------------------------------------------------------------------------
void XSDDOMParser::error(const   unsigned int                code
                         , const XMLCh* const                msgDomain
                         , const XMLErrorReporter::ErrTypes  errType
                         , const XMLCh* const                errorText
                         , const XMLCh* const                systemId
                         , const XMLCh* const                publicId
                         , const XMLSSize_t                  lineNum
                         , const XMLSSize_t                  colNum)
{
    if (errType >= XMLErrorReporter::ErrType_Fatal)
        fSawFatal = true;

    if (fUserErrorReporter)
        fUserErrorReporter->error(code, msgDomain, errType, errorText,
                                  systemId, publicId, lineNum, colNum);
}

InputSource* XSDDOMParser::resolveEntity(const XMLCh* const publicId,
                                         const XMLCh* const systemId,
                                         const XMLCh* const baseURI)
{
    if (fUserEntityHandler)
        return fUserEntityHandler->resolveEntity(publicId, systemId, baseURI);

    return 0;
}

InputSource*
XSDDOMParser::resolveEntity(XMLResourceIdentifier* resourceIdentifier)
{
    if (fUserEntityHandler)
        return fUserEntityHandler->resolveEntity(resourceIdentifier);

    return 0;
}

XERCES_CPP_NAMESPACE_END