Package org.apache.commons.jxpath.ri.model

Examples of org.apache.commons.jxpath.ri.model.NodePointer

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        if (firstMatch
            && isSimpleExpressionPath()
            && !(context instanceof NodeSetContext)) {
            EvalContext ctx = context;
            NodePointer ptr = (NodePointer) ctx.getSingleNodePointer();
            if (ptr != null
                && (ptr.getIndex() == NodePointer.WHOLE_COLLECTION
                    || predicates == null
                    || predicates.length == 0)) {
                return SimplePathInterpreter.interpretSimpleExpressionPath(
                    evalContext,
                    ptr,
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                prepare();
                if (iterator == null) {
                    return null;
                }
                // See if there is a property there, singular or collection
                NodePointer pointer = iterator.getNodePointer();
                if (pointer != null) {
                    return pointer;
                }
            }
            return null;
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    /**
     * Allocates a PropertyIterator.
     */
    private void prepare() {
        NodePointer parent = parentContext.getCurrentNodePointer();
        if (parent == null) {
            return;
        }
        NodePointer useParent = startFromParentLocation ? parent.getParent() : parent;
        iterator = useParent.childIterator(nodeTest, reverse,
                startFromParentLocation ? parent : null);
    }
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    private boolean setupDynamicPropertyPointer() {
        if (nameTestExpression == null) {
            return false;
        }

        NodePointer parent = parentContext.getCurrentNodePointer();
        if (parent == null) {
            return false;
        }
        parent = parent.getValuePointer();
        if (!(parent instanceof PropertyOwnerPointer)) {
            return false;
        }
        dynamicPropertyPointer =
            (PropertyPointer) ((PropertyOwnerPointer) parent)
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            ArrayList pointers = new ArrayList();
            for (int i = 0; i < contexts.length; i++) {
                EvalContext ctx = (EvalContext) contexts[i];
                while (ctx.nextSet()) {
                    while (ctx.nextNode()) {
                        NodePointer ptr = ctx.getCurrentNodePointer();
                        if (!pointers.contains(ptr)) {
                            pointers.add(ptr);
                        }
                    }
                }
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                        + "/" + name + "[" + (index + 1) + "]");
    }

    public NodePointer createChild(JXPathContext context, QName name,
            int index, Object value) {
        NodePointer ptr = createChild(context, name, index);
        ptr.setValue(value);
        return ptr;
    }
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            }
            else {
                stack.clear();
            }
            currentRootLocation = parentContext.getCurrentNodePointer();
            NodePointer parent = currentRootLocation.getParent();
            if (parent != null) {
                // TBD: check type
                stack.push(
                    parent.childIterator(null, reverse, currentRootLocation));
            }
        }

        while (true) {
            if (stack.isEmpty()) {
                currentRootLocation = currentRootLocation.getParent();

                if (currentRootLocation == null
                    || currentRootLocation.isRoot()) {
                    break;
                }

                NodePointer parent = currentRootLocation.getParent();
                if (parent != null) {
                    stack.push(
                        parent.childIterator(
                            null,
                            reverse,
                            currentRootLocation));
                }
            }
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     */
    protected Object functionID(EvalContext context) {
        assertArgCount(1);
        String id = InfoSetUtil.stringValue(getArg1().computeValue(context));
        JXPathContext jxpathContext = context.getJXPathContext();
        NodePointer pointer = (NodePointer) jxpathContext.getContextPointer();
        return pointer.getPointerByID(jxpathContext, id);
    }
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     * @param context evaluation context
     * @return String
     */
    protected Object functionNamespaceURI(EvalContext context) {
        if (getArgumentCount() == 0) {
            NodePointer ptr = context.getCurrentNodePointer();
            String str = ptr.getNamespaceURI();
            return str == null ? "" : str;
        }
        assertArgCount(1);
        Object set = getArg1().compute(context);
        if (set instanceof EvalContext) {
            EvalContext ctx = (EvalContext) set;
            if (ctx.hasNext()) {
                NodePointer ptr = (NodePointer) ctx.next();
                String str = ptr.getNamespaceURI();
                return str == null ? "" : str;
            }
        }
        return "";
    }
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     * @param context evaluation context
     * @return String
     */
    protected Object functionLocalName(EvalContext context) {
        if (getArgumentCount() == 0) {
            NodePointer ptr = context.getCurrentNodePointer();
            return ptr.getName().getName();
        }
        assertArgCount(1);
        Object set = getArg1().compute(context);
        if (set instanceof EvalContext) {
            EvalContext ctx = (EvalContext) set;
            if (ctx.hasNext()) {
                NodePointer ptr = (NodePointer) ctx.next();
                return ptr.getName().getName();
            }
        }
        return "";
    }
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Related Classes of org.apache.commons.jxpath.ri.model.NodePointer

  • org.apache.cocoon.components.jxdom.DocumentAdapter$ElementAdapter
  • org.apache.commons.configuration.tree.xpath.TestConfigurationNodeIteratorChildren
  • org.apache.commons.configuration.tree.xpath.TestConfigurationNodePointer
  • org.apache.commons.configuration2.tree.xpath.TestConfigurationNodePointer
  • org.apache.commons.jxpath.AbstractFactory
  • org.apache.commons.jxpath.JXPathTestCase
  • org.apache.commons.jxpath.Pointer
  • org.apache.commons.jxpath.ri.axes.AncestorContext
  • org.apache.commons.jxpath.ri.axes.ChildContext
  • org.apache.commons.jxpath.ri.axes.InitialContext
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