Examples with QName org.apache.xml.utils.QName used on opensource projects

Example 6 with QName

use of org.apache.xml.utils.QName in project robovm by robovm.

the class RedundentExprEliminator method findAndEliminateRedundant.

/**
   * Look through the vector from start point, looking for redundant occurances.
   * When one or more are found, create a psuedo variable declaration, insert 
   * it into the stylesheet, and replace the occurance with a reference to 
   * the psuedo variable.  When a redundent variable is found, it's slot in 
   * the vector will be replaced by null.
   * 
   * @param start The position to start looking in the vector.
   * @param firstOccuranceIndex The position of firstOccuranceOwner.
   * @param firstOccuranceOwner The owner of the expression we are looking for.
   * @param psuedoVarRecipient Where to put the psuedo variables.
   * 
   * @return The number of expression occurances that were modified.
   */
protected int findAndEliminateRedundant(int start, int firstOccuranceIndex, ExpressionOwner firstOccuranceOwner, ElemTemplateElement psuedoVarRecipient, Vector paths) throws org.w3c.dom.DOMException {
    MultistepExprHolder head = null;
    MultistepExprHolder tail = null;
    int numPathsFound = 0;
    int n = paths.size();
    Expression expr1 = firstOccuranceOwner.getExpression();
    if (DEBUG)
        assertIsLocPathIterator(expr1, firstOccuranceOwner);
    boolean isGlobal = (paths == m_absPaths);
    LocPathIterator lpi = (LocPathIterator) expr1;
    int stepCount = countSteps(lpi);
    for (int j = start; j < n; j++) {
        ExpressionOwner owner2 = (ExpressionOwner) paths.elementAt(j);
        if (null != owner2) {
            Expression expr2 = owner2.getExpression();
            boolean isEqual = expr2.deepEquals(lpi);
            if (isEqual) {
                LocPathIterator lpi2 = (LocPathIterator) expr2;
                if (null == head) {
                    head = new MultistepExprHolder(firstOccuranceOwner, stepCount, null);
                    tail = head;
                    numPathsFound++;
                }
                tail.m_next = new MultistepExprHolder(owner2, stepCount, null);
                tail = tail.m_next;
                // Null out the occurance, so we don't have to test it again.
                paths.setElementAt(null, j);
                // foundFirst = true;
                numPathsFound++;
            }
        }
    }
    // Change all globals in xsl:templates, etc, to global vars no matter what.
    if ((0 == numPathsFound) && isGlobal) {
        head = new MultistepExprHolder(firstOccuranceOwner, stepCount, null);
        numPathsFound++;
    }
    if (null != head) {
        ElemTemplateElement root = isGlobal ? psuedoVarRecipient : findCommonAncestor(head);
        LocPathIterator sharedIter = (LocPathIterator) head.m_exprOwner.getExpression();
        ElemVariable var = createPseudoVarDecl(root, sharedIter, isGlobal);
        if (DIAGNOSE_MULTISTEPLIST)
            System.err.println("Created var: " + var.getName() + (isGlobal ? "(Global)" : ""));
        QName uniquePseudoVarName = var.getName();
        while (null != head) {
            ExpressionOwner owner = head.m_exprOwner;
            if (DIAGNOSE_MULTISTEPLIST)
                diagnoseLineNumber(owner.getExpression());
            changeToVarRef(uniquePseudoVarName, owner, paths, root);
            head = head.m_next;
        }
        // Replace the first occurance with the variable's XPath, so  
        // that further reduction may take place if needed.
        paths.setElementAt(var.getSelect(), firstOccuranceIndex);
    }
    return numPathsFound;
}

Example 7 with QName

use of org.apache.xml.utils.QName in project robovm by robovm.

the class XSLTAttributeDef method processENUM_OR_PQNAME.

/**
   * Process an attribute string of that is either an enumerated value or a qname-but-not-ncname.
   * Returns an AVT, if this attribute support AVT; otherwise returns int or qname.
   *
   * @param handler non-null reference to current StylesheetHandler that is constructing the Templates.
   * @param uri The Namespace URI, or an empty string.
   * @param name The local name (without prefix), or empty string if not namespace processing.
   * @param rawName The qualified name (with prefix).
   * @param value non-null string that represents an enumerated value that is
   * valid for this element.
   * @param owner
   *
   * @return AVT if attribute supports AVT. An Integer representation of the enumerated value if
   *         attribute does not support AVT and an enumerated value was used.  Otherwise a qname
   *         is returned.
   */
Object processENUM_OR_PQNAME(StylesheetHandler handler, String uri, String name, String rawName, String value, ElemTemplateElement owner) throws org.xml.sax.SAXException {
    Object objToReturn = null;
    if (getSupportsAVT()) {
        try {
            AVT avt = new AVT(handler, uri, name, rawName, value, owner);
            if (!avt.isSimple())
                return avt;
            else
                objToReturn = avt;
        } catch (TransformerException te) {
            throw new org.xml.sax.SAXException(te);
        }
    }
    // An avt wasn't used.
    int key = this.getEnum(value);
    if (key != StringToIntTable.INVALID_KEY) {
        if (objToReturn == null)
            objToReturn = new Integer(key);
    } else // enum not used.  Validate qname-but-not-ncname.
    {
        try {
            QName qname = new QName(value, handler, true);
            if (objToReturn == null)
                objToReturn = qname;
            if (qname.getPrefix() == null) {
                StringBuffer enumNamesList = getListOfEnums();
                enumNamesList.append(" <qname-but-not-ncname>");
                handleError(handler, XSLTErrorResources.INVALID_ENUM, new Object[] { name, value, enumNamesList.toString() }, null);
                return null;
            }
        } catch (IllegalArgumentException ie) {
            StringBuffer enumNamesList = getListOfEnums();
            enumNamesList.append(" <qname-but-not-ncname>");
            handleError(handler, XSLTErrorResources.INVALID_ENUM, new Object[] { name, value, enumNamesList.toString() }, ie);
            return null;
        } catch (RuntimeException re) {
            StringBuffer enumNamesList = getListOfEnums();
            enumNamesList.append(" <qname-but-not-ncname>");
            handleError(handler, XSLTErrorResources.INVALID_ENUM, new Object[] { name, value, enumNamesList.toString() }, re);
            return null;
        }
    }
    return objToReturn;
}

Example 8 with QName

use of org.apache.xml.utils.QName in project robovm by robovm.

the class JAXPVariableStack method getVariableOrParam.

public XObject getVariableOrParam(XPathContext xctxt, QName qname) throws TransformerException, IllegalArgumentException {
    if (qname == null) {
        //JAXP 1.3 spec says that if variable name is null then 
        // we need to through IllegalArgumentException
        String fmsg = XSLMessages.createXPATHMessage(XPATHErrorResources.ER_ARG_CANNOT_BE_NULL, new Object[] { "Variable qname" });
        throw new IllegalArgumentException(fmsg);
    }
    javax.xml.namespace.QName name = new javax.xml.namespace.QName(qname.getNamespace(), qname.getLocalPart());
    Object varValue = resolver.resolveVariable(name);
    if (varValue == null) {
        String fmsg = XSLMessages.createXPATHMessage(XPATHErrorResources.ER_RESOLVE_VARIABLE_RETURNS_NULL, new Object[] { name.toString() });
        throw new TransformerException(fmsg);
    }
    return XObject.create(varValue, xctxt);
}

Example 9 with QName

use of org.apache.xml.utils.QName in project j2objc by google.

the class TransformerImpl method setParameter.

/**
 * Set a parameter for the templates.
 *
 * @param name The name of the parameter.
 * @param namespace The namespace of the parameter.
 * @param value The value object.  This can be any valid Java object
 * -- it's up to the processor to provide the proper
 * coersion to the object, or simply pass it on for use
 * in extensions.
 */
public void setParameter(String name, String namespace, Object value) {
    VariableStack varstack = getXPathContext().getVarStack();
    QName qname = new QName(namespace, name);
    XObject xobject = XObject.create(value, getXPathContext());
    StylesheetRoot sroot = m_stylesheetRoot;
    Vector vars = sroot.getVariablesAndParamsComposed();
    int i = vars.size();
    while (--i >= 0) {
        ElemVariable variable = (ElemVariable) vars.elementAt(i);
        if (variable.getXSLToken() == Constants.ELEMNAME_PARAMVARIABLE && variable.getName().equals(qname)) {
            varstack.setGlobalVariable(i, xobject);
        }
    }
}

Example 10 with QName

use of org.apache.xml.utils.QName in project j2objc by google.

the class TransformerImpl method resetUserParameters.

/**
 * Reset parameters that the user specified for the transformation.
 * Called during transformer.reset() after we have cleared the
 * variable stack. We need to make sure that user params are
 * reset so that the transformer object can be reused.
 */
private void resetUserParameters() {
    try {
        if (null == m_userParams)
            return;
        int n = m_userParams.size();
        for (int i = n - 1; i >= 0; i--) {
            Arg arg = (Arg) m_userParams.elementAt(i);
            QName name = arg.getQName();
            // The first string might be the namespace, or it might be
            // the local name, if the namespace is null.
            String s1 = name.getNamespace();
            String s2 = name.getLocalPart();
            setParameter(s2, s1, arg.getVal().object());
        }
    } catch (java.util.NoSuchElementException nsee) {
    // Should throw some sort of an error.
    }
}