MixedContentModel.cpp
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上传日期:2007-01-10
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文件大小:18k
源码类别:
xml/soap/webservice
开发平台:
C/C++
- /*
- * The Apache Software License, Version 1.1
- *
- * Copyright (c) 1999-2001 The Apache Software Foundation. All rights
- * reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. The end-user documentation included with the redistribution,
- * if any, must include the following acknowledgment:
- * "This product includes software developed by the
- * Apache Software Foundation (http://www.apache.org/)."
- * Alternately, this acknowledgment may appear in the software itself,
- * if and wherever such third-party acknowledgments normally appear.
- *
- * 4. The names "Xerces" and "Apache Software Foundation" must
- * not be used to endorse or promote products derived from this
- * software without prior written permission. For written
- * permission, please contact apache@apache.org.
- *
- * 5. Products derived from this software may not be called "Apache",
- * nor may "Apache" appear in their name, without prior written
- * permission of the Apache Software Foundation.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- * ====================================================================
- *
- * This software consists of voluntary contributions made by many
- * individuals on behalf of the Apache Software Foundation, and was
- * originally based on software copyright (c) 1999, International
- * Business Machines, Inc., http://www.ibm.com . For more information
- * on the Apache Software Foundation, please see
- * <http://www.apache.org/>.
- */
- /*
- * $Log: MixedContentModel.cpp,v $
- * Revision 1.13 2001/08/24 12:48:48 tng
- * Schema: AllContentModel
- *
- * Revision 1.12 2001/08/21 16:06:11 tng
- * Schema: Unique Particle Attribution Constraint Checking.
- *
- * Revision 1.11 2001/07/09 15:22:37 knoaman
- * complete <any> declaration.
- *
- * Revision 1.10 2001/06/12 22:13:33 peiyongz
- * validateContentSpecial() : apply SubstitutionGroupComparator.isEquivalentTo()
- *
- * Revision 1.9 2001/05/11 13:27:19 tng
- * Copyright update.
- *
- * Revision 1.8 2001/05/03 21:02:30 tng
- * Schema: Add SubstitutionGroupComparator and update exception messages. By Pei Yong Zhang.
- *
- * Revision 1.7 2001/04/19 18:17:32 tng
- * Schema: SchemaValidator update, and use QName in Content Model
- *
- * Revision 1.6 2001/03/21 21:56:28 tng
- * Schema: Add Schema Grammar, Schema Validator, and split the DTDValidator into DTDValidator, DTDScanner, and DTDGrammar.
- *
- * Revision 1.5 2001/03/21 19:29:57 tng
- * Schema: Content Model Updates, by Pei Yong Zhang.
- *
- * Revision 1.4 2001/02/27 18:32:32 tng
- * Schema: Use XMLElementDecl instead of DTDElementDecl in Content Model.
- *
- * Revision 1.3 2001/02/27 14:48:54 tng
- * Schema: Add CMAny and ContentLeafNameTypeVector, by Pei Yong Zhang
- *
- * Revision 1.2 2001/02/16 14:58:57 tng
- * Schema: Update Makefile, configure files, project files, and include path in
- * certain cpp files because of the move of the common Content Model files. By Pei Yong Zhang.
- *
- * Revision 1.1 2001/02/16 14:17:29 tng
- * Schema: Move the common Content Model files that are shared by DTD
- * and schema from 'DTD' folder to 'common' folder. By Pei Yong Zhang.
- *
- * Revision 1.5 2000/05/15 22:31:32 andyh
- * Replace #include<memory.h> with <string.h> everywhere.
- *
- * Revision 1.4 2000/03/18 00:00:05 roddey
- * Initial updates for two way transcoding support
- *
- * Revision 1.3 2000/03/02 19:55:39 roddey
- * This checkin includes many changes done while waiting for the
- * 1.1.0 code to be finished. I can't list them all here, but a list is
- * available elsewhere.
- *
- * Revision 1.2 2000/02/09 21:42:39 abagchi
- * Copyright swatswat
- *
- * Revision 1.1.1.1 1999/11/09 01:03:43 twl
- * Initial checkin
- *
- * Revision 1.3 1999/11/08 20:45:43 rahul
- * Swat for adding in Product name and CVS comment log variable.
- *
- */
- // ---------------------------------------------------------------------------
- // Includes
- // ---------------------------------------------------------------------------
- #include <string.h>
- #include <util/RuntimeException.hpp>
- #include <framework/XMLElementDecl.hpp>
- #include <validators/common/ContentSpecNode.hpp>
- #include <validators/common/MixedContentModel.hpp>
- #include <validators/common/CMStateSet.hpp>
- #include <validators/common/Grammar.hpp>
- #include <validators/schema/SubstitutionGroupComparator.hpp>
- // ---------------------------------------------------------------------------
- // MixedContentModel: Constructors and Destructor
- // ---------------------------------------------------------------------------
- MixedContentModel::MixedContentModel(const bool dtd
- , ContentSpecNode* const parentContentSpec
- , const bool ordered) :
- fCount(0)
- , fChildren(0)
- , fChildTypes(0)
- , fOrdered(ordered)
- , fDTD(dtd)
- {
- //
- // Create a vector of unsigned ints that will be filled in with the
- // ids of the child nodes. It will be expanded as needed but we give
- // it an initial capacity of 64 which should be more than enough for
- // 99% of the scenarios.
- //
- ValueVectorOf<QName*> children(64);
- ValueVectorOf<ContentSpecNode::NodeTypes> childTypes(64);
- //
- // Get the parent element's content spec. This is the head of the tree
- // of nodes that describes the content model. We will iterate this
- // tree.
- //
- ContentSpecNode* curNode = parentContentSpec;
- if (!curNode)
- ThrowXML(RuntimeException, XMLExcepts::CM_NoParentCSN);
- // And now call the private recursive method that iterates the tree
- buildChildList(curNode, children, childTypes);
- //
- // And now we know how many elements we need in our member list. So
- // fill them in.
- //
- fCount = children.size();
- fChildren = new QName*[fCount];
- fChildTypes = new ContentSpecNode::NodeTypes[fCount];
- for (unsigned int index = 0; index < fCount; index++) {
- fChildren[index] = children.elementAt(index);
- fChildTypes[index] = childTypes.elementAt(index);
- }
- }
- MixedContentModel::~MixedContentModel()
- {
- delete [] fChildren;
- delete [] fChildTypes;
- }
- // ---------------------------------------------------------------------------
- // MixedContentModel: Getter methods
- // ---------------------------------------------------------------------------
- bool MixedContentModel::hasDups() const
- {
- // Can't have dups if only one child
- if (fCount == 1)
- return false;
- for (unsigned int index = 0; index < fCount; index++)
- {
- const QName* curVal = fChildren[index];
- for (unsigned int iIndex = 0; iIndex < fCount; iIndex++)
- {
- if (iIndex == index)
- continue;
- if (fDTD) {
- if (!XMLString::compareString(curVal->getRawName(), fChildren[iIndex]->getRawName())) {
- return true;
- }
- }
- else {
- if ((curVal->getURI() == fChildren[iIndex]->getURI()) &&
- (!XMLString::compareString(curVal->getLocalPart(), fChildren[iIndex]->getLocalPart()))) {
- return true;
- }
- }
- }
- }
- return false;
- }
- // ---------------------------------------------------------------------------
- // MixedContentModel: Implementation of the ContentModel virtual interface
- // ---------------------------------------------------------------------------
- //
- //Under the XML Schema mixed model,
- //the order and number of child elements appearing in an instance
- //must agree with
- //the order and number of child elements specified in the model.
- //
- int
- MixedContentModel::validateContent( QName** const children
- , const unsigned int childCount
- , const unsigned int emptyNamespaceId) const
- {
- // must match order
- if (fOrdered) {
- unsigned int inIndex = 0;
- for (unsigned int outIndex = 0; outIndex < childCount; outIndex++) {
- // Get the current child out of the source index
- const QName* curChild = children[outIndex];
- // If its PCDATA, then we just accept that
- if (curChild->getURI() == XMLElementDecl::fgPCDataElemId)
- continue;
- ContentSpecNode::NodeTypes type = fChildTypes[inIndex];
- const QName* inChild = fChildren[inIndex];
- if (type == ContentSpecNode::Leaf) {
- if (fDTD) {
- if (XMLString::compareString(inChild->getRawName(), curChild->getRawName())) {
- return outIndex;
- }
- }
- else {
- if ((inChild->getURI() != curChild->getURI()) ||
- (XMLString::compareString(inChild->getLocalPart(), curChild->getLocalPart()))) {
- return outIndex;
- }
- }
- }
- else if (type == ContentSpecNode::Any) {
- }
- else if (type == ContentSpecNode::Any_NS) {
- if (inChild->getURI() != curChild->getURI())
- return outIndex;
- }
- else if (type == ContentSpecNode::Any_Other) {
- if (inChild->getURI() == curChild->getURI())
- return outIndex;
- }
- // advance index
- inIndex++;
- }
- }
- // can appear in any order
- else {
- for (unsigned int outIndex = 0; outIndex < childCount; outIndex++) {
- // Get the current child out of the source index
- const QName* curChild = children[outIndex];
- // If its PCDATA, then we just accept that
- if (curChild->getURI() == XMLElementDecl::fgPCDataElemId)
- continue;
- // And try to find it in our list
- unsigned int inIndex = 0;
- for (; inIndex < fCount; inIndex++)
- {
- ContentSpecNode::NodeTypes type = fChildTypes[inIndex];
- const QName* inChild = fChildren[inIndex];
- if (type == ContentSpecNode::Leaf) {
- if (fDTD) {
- if (!XMLString::compareString(inChild->getRawName(), curChild->getRawName())) {
- break;
- }
- }
- else {
- if ((inChild->getURI() == curChild->getURI()) &&
- (!XMLString::compareString(inChild->getLocalPart(), curChild->getLocalPart()))) {
- break;
- }
- }
- }
- else if (type == ContentSpecNode::Any) {
- break;
- }
- else if (type == ContentSpecNode::Any_NS) {
- if (inChild->getURI() == curChild->getURI())
- break;
- }
- else if (type == ContentSpecNode::Any_Other) {
- if (inChild->getURI() != curChild->getURI())
- break;
- }
- // REVISIT: What about checking for multiple ANY matches?
- // The content model ambiguity *could* be checked
- // by the caller before constructing the mixed
- // content model.
- }
- // We did not find this one, so the validation failed
- if (inIndex == fCount)
- return outIndex;
- }
- }
- // Everything seems to be in order, so return success
- // success
- return -1;
- }
- int MixedContentModel::validateContentSpecial(QName** const children
- , const unsigned int childCount
- , const unsigned int emptyNamespaceId
- , GrammarResolver* const pGrammarResolver
- , XMLStringPool* const pStringPool) const
- {
- SubstitutionGroupComparator comparator(pGrammarResolver, pStringPool);
- // must match order
- if (fOrdered) {
- unsigned int inIndex = 0;
- for (unsigned int outIndex = 0; outIndex < childCount; outIndex++) {
- // Get the current child out of the source index
- QName* curChild = children[outIndex];
- // If its PCDATA, then we just accept that
- if (curChild->getURI() == XMLElementDecl::fgPCDataElemId)
- continue;
- ContentSpecNode::NodeTypes type = fChildTypes[inIndex];
- QName* inChild = fChildren[inIndex];
- if (type == ContentSpecNode::Leaf) {
- if ( !comparator.isEquivalentTo(curChild, inChild))
- return outIndex;
- }
- else if (type == ContentSpecNode::Any) {
- }
- else if (type == ContentSpecNode::Any_NS) {
- if (inChild->getURI() != curChild->getURI())
- return outIndex;
- }
- else if (type == ContentSpecNode::Any_Other) {
- if (inChild->getURI() == curChild->getURI())
- return outIndex;
- }
- // advance index
- inIndex++;
- }
- }
- // can appear in any order
- else {
- for (unsigned int outIndex = 0; outIndex < childCount; outIndex++) {
- // Get the current child out of the source index
- QName* curChild = children[outIndex];
- // If its PCDATA, then we just accept that
- if (curChild->getURI() == XMLElementDecl::fgPCDataElemId)
- continue;
- // And try to find it in our list
- unsigned int inIndex = 0;
- for (; inIndex < fCount; inIndex++)
- {
- ContentSpecNode::NodeTypes type = fChildTypes[inIndex];
- QName* inChild = fChildren[inIndex];
- if (type == ContentSpecNode::Leaf) {
- if ( comparator.isEquivalentTo(curChild, inChild))
- break;
- }
- else if (type == ContentSpecNode::Any) {
- break;
- }
- else if (type == ContentSpecNode::Any_NS) {
- if (inChild->getURI() == curChild->getURI())
- break;
- }
- else if (type == ContentSpecNode::Any_Other) {
- if (inChild->getURI() != curChild->getURI())
- break;
- }
- // REVISIT: What about checking for multiple ANY matches?
- // The content model ambiguity *could* be checked
- // by the caller before constructing the mixed
- // content model.
- }
- // We did not find this one, so the validation failed
- if (inIndex == fCount)
- return outIndex;
- }
- }
- // Everything seems to be in order, so return success
- // success
- return -1;
- }
- // ---------------------------------------------------------------------------
- // MixedContentModel: Private helper methods
- // ---------------------------------------------------------------------------
- void
- MixedContentModel::buildChildList( ContentSpecNode* const curNode
- , ValueVectorOf<QName*>& toFill
- , ValueVectorOf<ContentSpecNode::NodeTypes>& toType)
- {
- // Get the type of spec node our current node is
- const ContentSpecNode::NodeTypes curType = curNode->getType();
- // If its a leaf, then store its id in the target list
- if ((curType == ContentSpecNode::Leaf) ||
- (curType == ContentSpecNode::Any) ||
- (curType == ContentSpecNode::Any_Other) ||
- (curType == ContentSpecNode::Any_NS) )
- {
- toFill.addElement(curNode->getElement());
- toType.addElement(curType);
- return;
- }
- // Get both the child node pointers
- ContentSpecNode* leftNode = curNode->getFirst();
- ContentSpecNode* rightNode = curNode->getSecond();
- // And recurse according to the type of node
- if ((curType == ContentSpecNode::Choice)
- || (curType == ContentSpecNode::Sequence))
- {
- // Recurse on the left and right nodes
- buildChildList(leftNode, toFill, toType);
- // The last node of a choice or sequence has a null right
- if (rightNode)
- buildChildList(rightNode, toFill, toType);
- }
- else if ((curType == ContentSpecNode::OneOrMore)
- || (curType == ContentSpecNode::ZeroOrOne)
- || (curType == ContentSpecNode::ZeroOrMore))
- {
- // Just do the left node on this one
- buildChildList(leftNode, toFill, toType);
- }
- }