Package org.apache.xerces.impl.dtd.models

Examples of org.apache.xerces.impl.dtd.models.CMNode


   
    XSCMValidator createDFACM(XSParticleDecl particle) {
        fLeafCount = 0;
        fParticleCount = 0;
        // convert particle tree to CM tree
        CMNode node = buildSyntaxTree(particle);
        if (node == null)
            return null;
        // build DFA content model from the CM tree
        return new XSDFACM(node, fLeafCount);
    }
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    private CMNode buildSyntaxTree(XSParticleDecl particle) {

        int maxOccurs = particle.fMaxOccurs;
        int minOccurs = particle.fMinOccurs;
        short type = particle.fType;
        CMNode nodeRet = null;
       
        if ((type == XSParticleDecl.PARTICLE_WILDCARD) ||
            (type == XSParticleDecl.PARTICLE_ELEMENT)) {
            // (task 1) element and wildcard particles should be converted to
            // leaf nodes
            // REVISIT: Make a clone of the leaf particle, so that if there
            // are two references to the same group, we have two different
            // leaf particles for the same element or wildcard decl.
            // This is useful for checking UPA.
            nodeRet = new XSCMLeaf(particle.fType, particle.fValue, fParticleCount++, fLeafCount++);
            // (task 2) expand occurrence values
            nodeRet = expandContentModel(nodeRet, minOccurs, maxOccurs);
        }
        else if (type == XSParticleDecl.PARTICLE_MODELGROUP) {
            // (task 1,3) convert model groups to binary trees
            XSModelGroupImpl group = (XSModelGroupImpl)particle.fValue;
            CMNode temp = null;
            // when the model group is a choice of more than one particles, but
            // only one of the particle is not empty, (for example
            // <choice>
            //   <sequence/>
            //   <element name="e"/>
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    //                                  a{n, m} -> a, a, ..., a?, a?, ...
    // 4. make sure each leaf node (XSCMLeaf) has a distinct position
    private CMNode expandContentModel(CMNode node,
                                      int minOccurs, int maxOccurs) {

        CMNode nodeRet = null;

        if (minOccurs==1 && maxOccurs==1) {
            nodeRet = node;
        }
        else if (minOccurs==0 && maxOccurs==1) {
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        //

        fLeafCount = 0;
        //int leafCount = countLeaves(contentSpecIndex);
        fLeafCount = 0;
        CMNode cmn    = buildSyntaxTree(contentSpecIndex, contentSpec);

        // REVISIT: has to be fLeafCount because we convert x+ to x,x*, one more leaf
        return new DFAContentModelcmn, fLeafCount, false);

    } // createChildModel(int):ContentModelValidator
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    private final CMNode buildSyntaxTree(int startNode,
                                         XMLContentSpec contentSpec) {

        // We will build a node at this level for the new tree
        CMNode nodeRet = null;
        getContentSpec(startNode, contentSpec);
        if ((contentSpec.type & 0x0f) == XMLContentSpec.CONTENTSPECNODE_ANY) {
            //nodeRet = new CMAny(contentSpec.type, -1, fLeafCount++);
            nodeRet = new CMAny(contentSpec.type, (String)contentSpec.otherValue, fLeafCount++);
        }
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        //

        fLeafCount = 0;
        //int leafCount = countLeaves(contentSpecIndex);
        fLeafCount = 0;
        CMNode cmn    = buildSyntaxTree(contentSpecIndex, contentSpec);

        // REVISIT: has to be fLeafCount because we convert x+ to x,x*, one more leaf
        return new DFAContentModelcmn, fLeafCount, false);

    } // createChildModel(int):ContentModelValidator
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    private final CMNode buildSyntaxTree(int startNode,
                                         XMLContentSpec contentSpec) {

        // We will build a node at this level for the new tree
        CMNode nodeRet = null;
        getContentSpec(startNode, contentSpec);
        if ((contentSpec.type & 0x0f) == XMLContentSpec.CONTENTSPECNODE_ANY) {
            //nodeRet = new CMAny(contentSpec.type, -1, fLeafCount++);
            nodeRet = new CMAny(contentSpec.type, (String)contentSpec.otherValue, fLeafCount++);
        }
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    XSCMValidator createDFACM(XSParticleDecl particle) {
        fLeafCount = 0;
        fParticleCount = 0;
        // convert particle tree to CM tree
        CMNode node = buildSyntaxTree(particle);
        if (node == null)
            return null;
        // build DFA content model from the CM tree
        return new XSDFACM(node, fLeafCount);
    }
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    private CMNode buildSyntaxTree(XSParticleDecl particle) {

        int maxOccurs = particle.fMaxOccurs;
        int minOccurs = particle.fMinOccurs;
        short type = particle.fType;
        CMNode nodeRet = null;
       
        if ((type == XSParticleDecl.PARTICLE_WILDCARD) ||
            (type == XSParticleDecl.PARTICLE_ELEMENT)) {
            // (task 1) element and wildcard particles should be converted to
            // leaf nodes
            // REVISIT: Make a clone of the leaf particle, so that if there
            // are two references to the same group, we have two different
            // leaf particles for the same element or wildcard decl.
            // This is useful for checking UPA.
            nodeRet = fNodeFactory.getCMLeafNode(particle.fType, particle.fValue, fParticleCount++, fLeafCount++);
            // (task 2) expand occurrence values
            nodeRet = expandContentModel(nodeRet, minOccurs, maxOccurs);
        }
        else if (type == XSParticleDecl.PARTICLE_MODELGROUP) {
            // (task 1,3) convert model groups to binary trees
            XSModelGroupImpl group = (XSModelGroupImpl)particle.fValue;
            CMNode temp = null;
            // when the model group is a choice of more than one particles, but
            // only one of the particle is not empty, (for example
            // <choice>
            //   <sequence/>
            //   <element name="e"/>
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    //                                  a{n, m} -> a, a, ..., a?, a?, ...
    // 4. make sure each leaf node (XSCMLeaf) has a distinct position
    private CMNode expandContentModel(CMNode node,
                                      int minOccurs, int maxOccurs) {

        CMNode nodeRet = null;

        if (minOccurs==1 && maxOccurs==1) {
            nodeRet = node;
        }
        else if (minOccurs==0 && maxOccurs==1) {
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