Package org.apache.vxquery.xmlquery.ast

Examples of org.apache.vxquery.xmlquery.ast.ASTNode

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        return lVar;
    }

    private LogicalVariable translateComputedPIConstructorNode(TranslationContext tCtx, ComputedPIConstructorNode cNode)
            throws SystemException {
        ASTNode content = cNode.getContent();
        LogicalVariable lVar = createAssignment(
                sfce(BuiltinOperators.PI_CONSTRUCTOR, vre(translateExpression(cNode.getTarget(), tCtx)),
                        content == null ? sfce(BuiltinOperators.CONCATENATE) : vre(translateExpression(content, tCtx))),
                tCtx);
        return lVar;
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        return lVar;
    }

    private LogicalVariable translateComputedTextConstructorNode(TranslationContext tCtx,
            ComputedTextConstructorNode cNode) throws SystemException {
        ASTNode content = cNode.getContent();
        LogicalVariable lVar = createAssignment(
                sfce(BuiltinOperators.TEXT_CONSTRUCTOR,
                        content == null ? ce(
                                SequenceType.create(BuiltinTypeRegistry.XS_UNTYPED_ATOMIC, Quantifier.QUANT_ONE), "")
                                : vre(translateExpression(content, tCtx))), tCtx);
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        return lVar;
    }

    private LogicalVariable translateParenthisizedExprNode(TranslationContext tCtx, ParenthesizedExprNode peNode)
            throws SystemException {
        ASTNode eNode = peNode.getExpr();
        if (eNode == null) {
            return createConcatenation(Collections.<LogicalVariable> emptyList(), tCtx);
        }
        return translateExpression(peNode.getExpr(), tCtx);
    }
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                    ctxExpr = null;
                }

                List<ASTNode> predicates = null;

                ASTNode pathNode = rpen.getPath();
                if (ASTTag.AXIS_STEP.equals(pathNode.getTag())) {
                    AxisStepNode axisNode = (AxisStepNode) pathNode;
                    predicates = axisNode.getPredicates();
                    AxisStepNode.Axis axis = axisNode.getAxis();
                    if (ctxExpr == null) {
                        ctxExpr = vre(tCtx.varScope.lookupVariable(XMLQueryCompilerConstants.DOT_VAR_NAME)
                                .getLogicalVariable());
                    }
                    Function axisFn = translateAxis(axis);
                    NodeType nt = translateNodeTest(axis, axisNode.getNodeTest());
                    int ntCode = currCtx.encodeSequenceType(SequenceType.create(nt, Quantifier.QUANT_ONE));
                    ctxExpr = sfce(axisFn,
                            treat(ctxExpr, SequenceType.create(AnyNodeType.INSTANCE, Quantifier.QUANT_STAR)),
                            ce(SequenceType.create(BuiltinTypeRegistry.XS_INT, Quantifier.QUANT_ONE), ntCode));
                    asc = isForwardAxis(axis);
                } else if (ASTTag.FILTER_EXPRESSION.equals(pathNode.getTag())) {
                    FilterExprNode filterNode = (FilterExprNode) pathNode;
                    predicates = filterNode.getPredicates();
                    ctxExpr = vre(translateExpression(filterNode.getExpr(), tCtx));
                } else {
                    throw new IllegalStateException("Unknown path node: " + pathNode.getTag());
                }
                if (predicates != null && !predicates.isEmpty()) {
                    ctxExpr = sfce(asc ? BuiltinOperators.SORT_DISTINCT_NODES_ASC_OR_ATOMICS
                            : BuiltinOperators.SORT_DISTINCT_NODES_DESC_OR_ATOMICS, ctxExpr);
                    for (ASTNode pn : predicates) {
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Related Classes of org.apache.vxquery.xmlquery.ast.ASTNode

  • org.apache.vxquery.xmlquery.translator.XMLQueryTranslator
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