Ejemplo n.º 1
0
bool CopyAttr(DOMElement *target, const DOMElement *source, const XMLCh* attrName, bool MustBeFound=true) {
	DOMAttr *attrNode = source->getAttributeNode(attrName);
	if (attrNode==NULL) {
		if (MustBeFound==true) {
			THROW_AWAY(("Mandatory Attribute on Delta Operation Node was not found for CopyAttr()"));
		}
		else return false;
	}
	target->setAttribute(attrName, attrNode->getNodeValue());
	return true;
}
Ejemplo n.º 2
0
	bool Manager::attribute(const DOMNode* n,const u_str attrname) {
		bool result=false;
		if (n != nullptr && !attrname.empty() && n->getNodeType() == DOMNode::ELEMENT_NODE ) {
			DOMElement* enod = (DOMElement*)n;
			DOMAttr* enoda = enod->getAttributeNode(pcx(attrname.c_str()));
			if (enoda != nullptr) {
				const XMLCh* x_attrval = enoda->getNodeValue();
				if (x_attrval != nullptr && x_attrval[0] != 0 ) {
					result = true; //only true if result is not empty.
				}
			}
		}
		return result;
	}
Ejemplo n.º 3
0
	bool Manager::attribute(const DOMNode* n,const u_str attrname, std::string& attrval) {
		bool result=false;
		if (n != nullptr && !attrname.empty() && n->getNodeType() == DOMNode::ELEMENT_NODE ) {
			DOMElement* enod = (DOMElement*)n;
			DOMAttr* enoda = enod->getAttributeNode(pcx(attrname.c_str()));
			if (enoda != nullptr) {
				const XMLCh* x_attrval = enoda->getNodeValue();
				if (x_attrval != nullptr && x_attrval[0] != 0 ) {
					char* value = (char*)TranscodeToStr(x_attrval,"UTF-8").adopt();
					size_t vl = strlen(value);
					attrval.reserve(vl);
					attrval.assign(value,vl);
					XMLString::release(&value); //delete attr;
					result = true; //only true if result is not empty.
				}
			}
		}
		return result;
	}
Ejemplo n.º 4
0
// ---------------------------------------------------------------------------
//  This method assumes that currentNode is an xinclude element and parses
//   it accordingly, acting on what it finds.
// ---------------------------------------------------------------------------
bool
XIncludeUtils::doDOMNodeXInclude(DOMNode *xincludeNode, DOMDocument *parsedDocument, XMLEntityHandler* entityResolver){
    bool modifiedNode = false;
    /* the relevant attributes to look for */
    const XMLCh *href = NULL;
    const XMLCh *parse = NULL;
    const XMLCh *xpointer = NULL;
    const XMLCh *encoding = NULL;
    const XMLCh *accept = NULL;
    const XMLCh *acceptlanguage = NULL;
    DOMNode *includeParent = xincludeNode->getParentNode();


    if(xincludeNode->hasAttributes()) {
        /* get all the attributes of the node */
        DOMNamedNodeMap *pAttributes = xincludeNode->getAttributes();
        XMLSize_t nSize = pAttributes->getLength();
        for(XMLSize_t i=0;i<nSize;++i) {
            DOMAttr *pAttributeNode = (DOMAttr*) pAttributes->item(i);
            const XMLCh *attrName = pAttributeNode->getName();
            /* check each attribute against the potential useful names */
            if (XMLString::equals(attrName, XIncludeUtils::fgXIIncludeHREFAttrName)){
                href = pAttributeNode->getValue();
            } else if (XMLString::equals(attrName, XIncludeUtils::fgXIIncludeParseAttrName)){
                parse = pAttributeNode->getValue();
            } else if (XMLString::equals(attrName, XIncludeUtils::fgXIIncludeXPointerAttrName)){
                xpointer = pAttributeNode->getValue();
            } else if (XMLString::equals(attrName, XIncludeUtils::fgXIIncludeEncodingAttrName)){
                encoding = pAttributeNode->getValue();
            } else if (XMLString::equals(attrName, XIncludeUtils::fgXIIncludeAcceptAttrName)){
                accept = pAttributeNode->getValue();
            } else if (XMLString::equals(attrName, XIncludeUtils::fgXIIncludeAcceptLanguageAttrName)){
                acceptlanguage = pAttributeNode->getValue();
            } else {
                /* if any other attribute is in the xi namespace, it's an error */
                const XMLCh *attrNamespaceURI = pAttributeNode->getNamespaceURI();
                if (attrNamespaceURI && XMLString::equals(attrNamespaceURI, XIncludeUtils::fgXIIIncludeNamespaceURI)){
                } else {
                    /* ignore - any other attribute is allowed according to spec,
                       and must be ignored */
                }
            }
        }
    }
    // 3.1 xi:include Element
    // The children property of the xi:include element may include a single xi:fallback element;
    // the appearance of more than one xi:fallback element, an xi:include element,
    // or any other element from the XInclude namespace is a fatal error.
    DOMNode *child;
    DOMElement *fallback = NULL;
    for (child = xincludeNode->getFirstChild(); child != 0; child=child->getNextSibling()){
        if(child->getNodeType()!=DOMNode::ELEMENT_NODE)
            continue;
        if ( isXIFallbackDOMNode(child) ){
            if (fallback != NULL){
                /* fatal error - there are more than one fallback children */
                XIncludeUtils::reportError(xincludeNode, XMLErrs::XIncludeMultipleFallbackElems,
                    parsedDocument->getDocumentURI(), parsedDocument->getDocumentURI());
                return false;
            }
            fallback = (DOMElement*)child;
        }
        else if(isXIIncludeDOMNode(child) || XMLString::equals(child->getNamespaceURI(), XIncludeUtils::fgXIIIncludeNamespaceURI)) {
            /* fatal error - an xi element different from xi:fallback is a child of xi:include */
            XIncludeUtils::reportError(xincludeNode, XMLErrs::XIncludeDisallowedChild,
                child->getNodeName(), parsedDocument->getDocumentURI());
            return false;
        }
    }

    if (href == NULL){
        /* this is an unrecoverable error until we have xpointer support -
           if there is an xpointer, the current document is assumed
           however, there is no xpointer support yet */
        XIncludeUtils::reportError(xincludeNode, XMLErrs::XIncludeNoHref,
            NULL, parsedDocument->getDocumentURI());
        return false;
    }

    /* set up the accept and accept-language values */
    if (accept != NULL){

    }

    if (parse == NULL){
        /* use the default, as specified */
        parse = XIncludeUtils::fgXIIncludeParseAttrXMLValue;
    }

    if (xpointer != NULL){
        /* not supported yet */
        /* Note that finding an xpointer attr along with parse="text" is a Fatal Error
         *  - http://www.w3.org/TR/xinclude/#include-location */
        XIncludeUtils::reportError(xincludeNode, XMLErrs::XIncludeXPointerNotSupported,
            NULL, href);
        return false;
    }

    /* set up the href according to what has gone before */
    XIncludeLocation hrefLoc(href);
    XIncludeLocation relativeLocation(href);
    const XMLCh *includeBase = xincludeNode->getBaseURI();
    if (includeBase != NULL){
        hrefLoc.prependPath(includeBase);
    }

    if (getBaseAttrValue(xincludeNode) != NULL){
        relativeLocation.prependPath(getBaseAttrValue(xincludeNode));
    }

    /*  Take the relevant action - we need to retrieve the target as a whole before
        we can know if it was successful or not, therefore the do* methods do
        not modify the parsedDocument. Swapping the results in is left to the
        caller (i.e. here) */
    DOMText *includedText = NULL;
    DOMDocument *includedDoc = NULL;
    if (XMLString::equals(parse, XIncludeUtils::fgXIIncludeParseAttrXMLValue)){
        /* including a XML element */
        includedDoc = doXIncludeXMLFileDOM(hrefLoc.getLocation(), relativeLocation.getLocation(), xincludeNode, parsedDocument, entityResolver);
    } else if (XMLString::equals(parse, XIncludeUtils::fgXIIncludeParseAttrTextValue)){
        /* including a text value */
        includedText = doXIncludeTEXTFileDOM(hrefLoc.getLocation(), relativeLocation.getLocation(), encoding, xincludeNode, parsedDocument, entityResolver);
    } else {
        /* invalid parse attribute value - fatal error according to the specification */
        XIncludeUtils::reportError(xincludeNode, XMLErrs::XIncludeInvalidParseVal,
            parse, parsedDocument->getDocumentURI());
        return false;
    }

    RefVectorOf<DOMNode> delayedProcessing(12,false);
    if (includedDoc == NULL && includedText == NULL){
        /* there was an error - this is now a resource error
           let's see if there is a fallback */
        XIncludeUtils::reportError(xincludeNode, XMLErrs::XIncludeIncludeFailedResourceError,
            hrefLoc.getLocation(), parsedDocument->getDocumentURI());

        if (includeParent == NULL){
            includeParent = parsedDocument;
        }

        // we could be getting errors trying to insert elements at the root of the document, so we should use replaceChild;
        // in order to handle multiple nodes, add them to a document fragment and use that to replace the original node
        if (fallback){
            /* baseURI fixups - see http://www.w3.org/TR/xinclude/#base for details. */
            XMLUri parentURI(includeParent->getBaseURI());
            XMLUri includedURI(fallback->getBaseURI());

            if (fallback->hasChildNodes()){
                DOMDocumentFragment* frag = parsedDocument->createDocumentFragment();
                DOMNode *child = fallback->getFirstChild();
                /* add the content of the fallback element, and remove the fallback elem itself */
                for ( ; child != NULL ; child=child->getNextSibling()){
                    if (child->getNodeType() == DOMNode::DOCUMENT_TYPE_NODE){
                        continue;
                    }
                    DOMNode *newNode = parsedDocument->importNode(child, true);
                    /* if the paths differ we need to add a base attribute */
                    if (newNode->getNodeType()==DOMNode::ELEMENT_NODE && !XMLString::equals(parentURI.getPath(), includedURI.getPath())){
                        if (getBaseAttrValue(newNode) == NULL){
                            /* need to calculate the proper path difference to get the relativePath */
                            ((DOMElement*)newNode)->setAttribute(fgXIBaseAttrName, getBaseAttrValue(fallback->getParentNode()));
                        } else {
                            /* the included node has base of its own which takes precedence */
                            XIncludeLocation xil(getBaseAttrValue(newNode));
                            if (getBaseAttrValue(fallback->getParentNode()) != NULL){
                                /* prepend any specific base modification of the xinclude node */
                                xil.prependPath(getBaseAttrValue(fallback->getParentNode()));
                            }
                            ((DOMElement*)newNode)->setAttribute(fgXIBaseAttrName, xil.getLocation());
                        }
                    }
                    DOMNode *newChild = frag->appendChild(newNode);
                    // don't process the node now, wait until it is placed in the final position
                    delayedProcessing.addElement(newChild);
                    //parseDOMNodeDoingXInclude(newChild, parsedDocument, entityResolver);
                }
                includeParent->replaceChild(frag, xincludeNode);
                frag->release();

                for(XMLSize_t i=0;i<delayedProcessing.size();i++)
                {
                    DOMNode* childNode=delayedProcessing.elementAt(i);
                    parseDOMNodeDoingXInclude(childNode, parsedDocument, entityResolver);
                }
                modifiedNode = true;
            } else {
                /* empty fallback element - simply remove it! */
                includeParent->removeChild(xincludeNode);
                modifiedNode = true;
            }
        } else {
            XIncludeUtils::reportError(xincludeNode, XMLErrs::XIncludeIncludeFailedNoFallback,
                parsedDocument->getDocumentURI(), parsedDocument->getDocumentURI());
            return false;
        }
    } else {
        if (includedDoc){
            /* record the successful include while we process the children */
            addDocumentURIToCurrentInclusionHistoryStack(hrefLoc.getLocation());

            DOMDocumentFragment* frag = parsedDocument->createDocumentFragment();
            /* need to import the document prolog here */
            DOMNode *child = includedDoc->getFirstChild();
            for (; child != NULL; child = child->getNextSibling()) {
                if (child->getNodeType() == DOMNode::DOCUMENT_TYPE_NODE)
                    continue;
                // check for NOTATION or ENTITY clash
                if(child->getNodeType()==DOMNode::ELEMENT_NODE && includedDoc->getDoctype()!=NULL) {
                    DOMNamedNodeMap *pAttributes = child->getAttributes();
                    XMLSize_t nSize = pAttributes->getLength();
                    for(XMLSize_t i=0;i<nSize;++i) {
                        DOMAttr *pAttributeNode = (DOMAttr*) pAttributes->item(i);
                        const DOMTypeInfo * typeInfo=pAttributeNode->getSchemaTypeInfo();
                        if(typeInfo && XMLString::equals(typeInfo->getTypeNamespace(), XMLUni::fgInfosetURIName)) {
                            if(XMLString::equals(typeInfo->getTypeName(), XMLUni::fgNotationString)) {
                                const XMLCh* notationName=pAttributeNode->getNodeValue();
                                DOMNotation* notat=(DOMNotation*)includedDoc->getDoctype()->getNotations()->getNamedItem(notationName);
                                // ensure we have a DTD
                                if(parsedDocument->getDoctype()==NULL)
                                    parsedDocument->insertBefore(parsedDocument->createDocumentType(parsedDocument->getDocumentElement()->getNodeName(), NULL,NULL), parsedDocument->getFirstChild());
                                DOMNotation* myNotation=(DOMNotation*)parsedDocument->getDoctype()->getNotations()->getNamedItem(notationName);
                                if(myNotation==NULL)
                                {
                                    // it's missing, add it
                                    parsedDocument->getDoctype()->getNotations()->setNamedItem(parsedDocument->importNode(notat, true));
                                }
                                else if(XMLString::equals(myNotation->getPublicId(), notat->getPublicId()) &&
                                        XMLString::equals(myNotation->getSystemId(), notat->getSystemId()) &&
                                        XMLString::equals(myNotation->getBaseURI(), notat->getBaseURI()))
                                {
                                    // it's duplicate, ignore it
                                }
                                else
                                {
                                    // it's a conflict, report it
                                    XIncludeUtils::reportError(xincludeNode, XMLErrs::XIncludeConflictingNotation,
                                        notationName, parsedDocument->getDocumentURI());
                                }
                            }
                            else if(XMLString::equals(typeInfo->getTypeName(), XMLUni::fgEntityString)) {
                                const XMLCh* entityName=pAttributeNode->getNodeValue();
                                DOMEntity* ent=(DOMEntity*)includedDoc->getDoctype()->getEntities()->getNamedItem(entityName);
                                // ensure we have a DTD
                                if(parsedDocument->getDoctype()==NULL)
                                    parsedDocument->insertBefore(parsedDocument->createDocumentType(parsedDocument->getDocumentElement()->getNodeName(), NULL,NULL), parsedDocument->getFirstChild());
                                DOMEntity* myEnt=(DOMEntity*)parsedDocument->getDoctype()->getEntities()->getNamedItem(entityName);
                                if(myEnt==NULL)
                                {
                                    // it's missing, add it
                                    parsedDocument->getDoctype()->getEntities()->setNamedItem(parsedDocument->importNode(ent, true));
                                }
                                else if(XMLString::equals(myEnt->getPublicId(), ent->getPublicId()) &&
                                        XMLString::equals(myEnt->getSystemId(), ent->getSystemId()) &&
                                        XMLString::equals(myEnt->getBaseURI(), ent->getBaseURI()))
                                {
                                    // it's duplicate, ignore it
                                }
                                else
                                {
                                    // it's a conflict, report it
                                    XIncludeUtils::reportError(xincludeNode, XMLErrs::XIncludeConflictingEntity,
                                        entityName, parsedDocument->getDocumentURI());
                                }
                            }
                        }
                    }
                }
                DOMNode *newNode = parsedDocument->importNode(child, true);
                DOMNode *newChild = frag->appendChild(newNode);
                // don't process the node now, wait until it is placed in the final position
                delayedProcessing.addElement(newChild);
                //parseDOMNodeDoingXInclude(newChild, parsedDocument, entityResolver);
            }
            includeParent->replaceChild(frag, xincludeNode);
            frag->release();

            for(XMLSize_t i=0;i<delayedProcessing.size();i++)
            {
                DOMNode* childNode=delayedProcessing.elementAt(i);
                parseDOMNodeDoingXInclude(childNode, parsedDocument, entityResolver);
            }
            popFromCurrentInclusionHistoryStack(NULL);
            modifiedNode = true;
        } else if (includedText){
            includeParent->replaceChild(includedText, xincludeNode);
            modifiedNode = true;
        }
    }

    if (includedDoc)
        includedDoc->release();

    return modifiedNode;
}