Package org.apache.vxquery.xmlquery.ast

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

950
951
952
953
954
955
956
957
958
959
960
    private LogicalVariable translateComputedAttributeConstructorNode(TranslationContext tCtx,
            ComputedAttributeConstructorNode cNode) throws SystemException {
        ILogicalExpression name = cast(vre(translateExpression(cNode.getName(), tCtx)),
                SequenceType.create(BuiltinTypeRegistry.XS_QNAME, Quantifier.QUANT_ONE));
        ASTNode content = cNode.getContent();
        ILogicalExpression cExpr = content == null ? sfce(BuiltinOperators.CONCATENATE) : vre(translateExpression(
                content, tCtx));
        LogicalVariable lVar = createAssignment(sfce(BuiltinOperators.ATTRIBUTE_CONSTRUCTOR, name, cExpr), tCtx);
        return lVar;
    }
View Full Code Here
961
962
963
964
965
966
967
968
969
970
971
    private LogicalVariable translateComputedElementConstructorNode(TranslationContext tCtx,
            ComputedElementConstructorNode cNode) throws SystemException {
        ILogicalExpression name = cast(vre(translateExpression(cNode.getName(), tCtx)),
                SequenceType.create(BuiltinTypeRegistry.XS_QNAME, Quantifier.QUANT_ONE));
        ASTNode content = cNode.getContent();
        ILogicalExpression cExpr = content == null ? sfce(BuiltinOperators.CONCATENATE) : vre(translateExpression(
                content, tCtx));
        LogicalVariable lVar = createAssignment(sfce(BuiltinOperators.ELEMENT_CONSTRUCTOR, name, cExpr), tCtx);
        return lVar;
    }
View Full Code Here
977
978
979
980
981
982
983
984
985
986
987
        return lVar;
    }

    private LogicalVariable translateComputedCommentConstructorNode(TranslationContext tCtx,
            ComputedCommentConstructorNode cNode) throws SystemException {
        ASTNode content = cNode.getContent();
        LogicalVariable lVar = createAssignment(
                sfce(BuiltinOperators.COMMENT_CONSTRUCTOR, content == null ? sfce(BuiltinOperators.CONCATENATE)
                        : vre(translateExpression(content, tCtx))), tCtx);
        return lVar;
    }
View Full Code Here
986
987
988
989
990
991
992
993
994
995
996
        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;
View Full Code Here
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
        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);
View Full Code Here
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
        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);
    }
View Full Code Here
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
                    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) {
View Full Code Here
651
652
653
654
655
656
657
658
659
660
661
        return Arrays.copyOf(abvs.getByteArray(), abvs.getLength());
    }

    private ILogicalPlan translateMainModule(MainModuleNode moduleNode) throws SystemException {
        QueryBodyNode qbn = moduleNode.getQueryBody();
        ASTNode queryBody = qbn.getExpression();
        TranslationContext tCtx = new TranslationContext(null, new EmptyTupleSourceOperator());
        LogicalVariable lVar = translateExpression(queryBody, tCtx);
        LogicalVariable iLVar = newLogicalVariable();
        UnnestOperator unnest = new UnnestOperator(iLVar, mutable(ufce(BuiltinOperators.ITERATE, vre(lVar))));
        unnest.getInputs().add(mutable(tCtx.op));
View Full Code Here
651
652
653
654
655
656
657
658
659
660
661
        return Arrays.copyOf(abvs.getByteArray(), abvs.getLength());
    }

    private ILogicalPlan translateMainModule(MainModuleNode moduleNode) throws SystemException {
        QueryBodyNode qbn = moduleNode.getQueryBody();
        ASTNode queryBody = qbn.getExpression();
        TranslationContext tCtx = new TranslationContext(null, new EmptyTupleSourceOperator());
        LogicalVariable lVar = translateExpression(queryBody, tCtx);
        LogicalVariable iLVar = newLogicalVariable();
        UnnestOperator unnest = new UnnestOperator(iLVar, mutable(ufce(BuiltinOperators.ITERATE, vre(lVar))));
        unnest.getInputs().add(mutable(tCtx.op));
View Full Code Here
949
950
951
952
953
954
955
956
957
958
959
    private LogicalVariable translateComputedAttributeConstructorNode(TranslationContext tCtx,
            ComputedAttributeConstructorNode cNode) throws SystemException {
        ILogicalExpression name = cast(vre(translateExpression(cNode.getName(), tCtx)),
                SequenceType.create(BuiltinTypeRegistry.XS_QNAME, Quantifier.QUANT_ONE));
        ASTNode content = cNode.getContent();
        ILogicalExpression cExpr = content == null ? sfce(BuiltinOperators.CONCATENATE) : vre(translateExpression(
                content, tCtx));
        LogicalVariable lVar = createAssignment(sfce(BuiltinOperators.ATTRIBUTE_CONSTRUCTOR, name, cExpr), tCtx);
        return lVar;
    }
View Full Code Here
TOP

Related Classes of org.apache.vxquery.xmlquery.ast.ASTNode

  • org.apache.vxquery.xmlquery.translator.XMLQueryTranslator
    • Copyright © 2018 www.massapicom. All rights reserved.
    All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.