Package net.sf.saxon.type

Examples of net.sf.saxon.type.TypeHierarchy

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    }
   
    if (saxon86Method != null) { // saxon < 8.7.1 && >= 8.6
      try {
        // value.getItemType(config.getNamePool().getTypeHierarchy()).toString();
        TypeHierarchy h = (TypeHierarchy) saxon86Method.invoke(config.getNamePool(), null);
        return value.getItemType(h).toString();
      } catch (Throwable t) {
        throw new RuntimeException(t);
      }
    }
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        key = visitor.simplify(key);
        return this;
    }

    public Expression typeCheck(ExpressionVisitor visitor, ItemType contextItemType) throws XPathException {
        final TypeHierarchy th = visitor.getConfiguration().getTypeHierarchy();
        select = visitor.typeCheck(select, contextItemType);
        ItemType selectedItemType = select.getItemType(th);
        action = visitor.typeCheck(action, selectedItemType);
        key = visitor.typeCheck(key, selectedItemType);
        if (Literal.isEmptySequence(select)) {
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        }
        return this;
    }

    public Expression optimize(ExpressionVisitor visitor, ItemType contextItemType) throws XPathException {
        final TypeHierarchy th = visitor.getConfiguration().getTypeHierarchy();
        select = visitor.optimize(select, contextItemType);
        action = action.optimize(visitor, select.getItemType(th));
        key = key.optimize(visitor, select.getItemType(th));
        adoptChildExpression(select);
        adoptChildExpression(action);
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     * @throws XPathException
     */

    protected void checkContentSequence(StaticContext env) throws XPathException {
        if (content instanceof Block) {
            TypeHierarchy th = env.getConfiguration().getTypeHierarchy();
            Expression[] components = ((Block)content).getChildren();
            boolean foundChild = false;
            boolean foundPossibleChild = false;
            int childNodeKinds = (1<<Type.TEXT | 1<<Type.ELEMENT | 1<<Type.COMMENT | 1<<Type.PROCESSING_INSTRUCTION);
            for (int i=0; i<components.length; i++) {
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        action = visitor.simplify(action);
        return this;
    }

    public Expression typeCheck(ExpressionVisitor visitor, ItemType contextItemType) throws XPathException {
        final TypeHierarchy th = visitor.getConfiguration().getTypeHierarchy();
        select = visitor.typeCheck(select, contextItemType);
        adoptChildExpression(select);
        action = visitor.typeCheck(action, select.getItemType(th));
        adoptChildExpression(action);
        if (Literal.isEmptySequence(select)) {
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        }
        return this;
    }

    public Expression optimize(ExpressionVisitor visitor, ItemType contextItemType) throws XPathException {
        final TypeHierarchy th = visitor.getConfiguration().getTypeHierarchy();
        select = visitor.optimize(select, contextItemType);
        adoptChildExpression(select);
        action = action.optimize(visitor, select.getItemType(th));
        adoptChildExpression(action);
        if (Literal.isEmptySequence(select)) {
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     * arithmetic function to use if the types of operands are known an compile time.
     */

    public Expression typeCheck(ExpressionVisitor visitor, ItemType contextItemType) throws XPathException {

        final TypeHierarchy th = visitor.getConfiguration().getTypeHierarchy();

        if (Literal.isEmptySequence(operand0)) {
            return new Literal(DoubleValue.NaN);
        }

        if (Literal.isEmptySequence(operand1)) {
            return new Literal(DoubleValue.NaN);
        }

        Expression oldOp0 = operand0;
        Expression oldOp1 = operand1;

        operand0 = visitor.typeCheck(operand0, contextItemType);
        operand1 = visitor.typeCheck(operand1, contextItemType);


        SequenceType atomicType = SequenceType.OPTIONAL_ATOMIC;

        RoleLocator role0 = new RoleLocator(RoleLocator.BINARY_EXPR, Token.tokens[operator], 0);
        //role0.setSourceLocator(this);
        operand0 = TypeChecker.staticTypeCheck(operand0, atomicType, true, role0, visitor);

        RoleLocator role1 = new RoleLocator(RoleLocator.BINARY_EXPR, Token.tokens[operator], 1);
        //role1.setSourceLocator(this);
        operand1 = TypeChecker.staticTypeCheck(operand1, atomicType, true, role1, visitor);

        final ItemType itemType0 = operand0.getItemType(th);
        if (itemType0 instanceof EmptySequenceTest) {
            return Literal.makeLiteral(DoubleValue.NaN);
        }
        AtomicType type0 = (AtomicType) itemType0.getPrimitiveItemType();

        final ItemType itemType1 = operand1.getItemType(th);
        if (itemType1 instanceof EmptySequenceTest) {
            return Literal.makeLiteral(DoubleValue.NaN);
        }
        AtomicType type1 = (AtomicType)itemType1.getPrimitiveItemType();

        // If both operands are integers, use integer arithmetic and convert the result to a double
        if (th.isSubType(type0, BuiltInAtomicType.INTEGER) &&
                th.isSubType(type1, BuiltInAtomicType.INTEGER) &&
                (operator == Token.PLUS || operator == Token.MINUS || operator == Token.MULT)) {
            ArithmeticExpression arith = new ArithmeticExpression(operand0, operator, operand1);
            arith.simplified = true;
            NumberFn n = (NumberFn)SystemFunction.makeSystemFunction("number", new Expression[]{arith});
            return n.typeCheck(visitor, contextItemType);
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    public Expression typeCheck(ExpressionVisitor visitor, ItemType contextItemType) throws XPathException {
        Expression e2 = super.typeCheck(visitor, contextItemType);
        if (e2 != this) {
            return e2;
        }
        TypeHierarchy th = visitor.getConfiguration().getTypeHierarchy();
        if (argument[1] instanceof NumberFn) {
            Expression a1 = ((NumberFn)argument[1]).getArguments()[0];
            if (th.isSubType(a1.getItemType(th), BuiltInAtomicType.INTEGER)) {
                argument[1] = a1;
            }
        }
        if (argument.length > 2 && argument[2] instanceof NumberFn) {
            Expression a2 = ((NumberFn)argument[2]).getArguments()[0];
            if (th.isSubType(a2.getItemType(th), BuiltInAtomicType.INTEGER)) {
                argument[2] = a2;
            }
        }
        return this;
    }
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    /**
    * Make an expression that extracts the first item of a sequence, after atomization
    */

    public static Expression makeFirstItem(Expression exp, StaticContext env) {
        final TypeHierarchy th = env.getConfiguration().getTypeHierarchy();
        if (!exp.getItemType(th).isAtomicType()) {
            exp = new Atomizer(exp);
        }
        if (Cardinality.allowsMany(exp.getCardinality())) {
            exp = new FirstItemExpression(exp);
        }
        if (!th.isSubType(exp.getItemType(th), BuiltInAtomicType.STRING)) {
            exp = new AtomicSequenceConverter(exp, BuiltInAtomicType.STRING);
        }
        return exp;
    }
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     * arithmetic function to use if the types of operands are known an compile time.
     */

    public Expression typeCheck(ExpressionVisitor visitor, ItemType contextItemType) throws XPathException {

        final TypeHierarchy th = visitor.getConfiguration().getTypeHierarchy();

        Expression oldOp0 = operand0;
        Expression oldOp1 = operand1;

        operand0 = visitor.typeCheck(operand0, contextItemType);
        operand1 = visitor.typeCheck(operand1, contextItemType);


        SequenceType atomicType = SequenceType.OPTIONAL_ATOMIC;

        RoleLocator role0 = new RoleLocator(RoleLocator.BINARY_EXPR, Token.tokens[operator], 0);
        //role0.setSourceLocator(this);
        operand0 = TypeChecker.staticTypeCheck(operand0, atomicType, false, role0, visitor);
        final ItemType itemType0 = operand0.getItemType(th);
        if (itemType0 instanceof EmptySequenceTest) {
            return new Literal(EmptySequence.getInstance());
        }
        AtomicType type0 = (AtomicType) itemType0.getPrimitiveItemType();
        if (type0.getFingerprint() == StandardNames.XS_UNTYPED_ATOMIC) {
            operand0 = new UntypedAtomicConverter(operand0, BuiltInAtomicType.DOUBLE, true, role0);
            type0 = BuiltInAtomicType.DOUBLE;
        } else if (/*!(operand0 instanceof UntypedAtomicConverter)*/
                (operand0.getSpecialProperties()&StaticProperty.NOT_UNTYPED) == 0 &&
                th.relationship(type0, BuiltInAtomicType.UNTYPED_ATOMIC) != TypeHierarchy.DISJOINT) {
            operand0 = new UntypedAtomicConverter(operand0, BuiltInAtomicType.DOUBLE, false, role0);
            type0 = (AtomicType)operand0.getItemType(th);
        }

        // System.err.println("First operand"); operand0.display(10);

        RoleLocator role1 = new RoleLocator(RoleLocator.BINARY_EXPR, Token.tokens[operator], 1);
        //role1.setSourceLocator(this);
        operand1 = TypeChecker.staticTypeCheck(operand1, atomicType, false, role1, visitor);
        final ItemType itemType1 = operand1.getItemType(th);
        if (itemType1 instanceof EmptySequenceTest) {
            return new Literal(EmptySequence.getInstance());
        }
        AtomicType type1 = (AtomicType)itemType1.getPrimitiveItemType();
        if (type1.getFingerprint() == StandardNames.XS_UNTYPED_ATOMIC) {
            operand1 = new UntypedAtomicConverter(operand1, BuiltInAtomicType.DOUBLE, true, role1);
            type1 = BuiltInAtomicType.DOUBLE;
        } else if (/*!(operand1 instanceof UntypedAtomicConverter) &&*/
                (operand1.getSpecialProperties()&StaticProperty.NOT_UNTYPED) == 0 &&
                th.relationship(type1, BuiltInAtomicType.UNTYPED_ATOMIC) != TypeHierarchy.DISJOINT) {
            operand1 = new UntypedAtomicConverter(operand1, BuiltInAtomicType.DOUBLE, false, role1);
            type1 = (AtomicType)operand1.getItemType(th);
        }

        if (operand0 != oldOp0) {
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Related Classes of net.sf.saxon.type.TypeHierarchy

  • net.sf.saxon.expr.ArithmeticExpression
  • net.sf.saxon.expr.ArithmeticExpression10
  • net.sf.saxon.expr.AtomicSequenceConverter
  • net.sf.saxon.expr.BooleanExpression
  • net.sf.saxon.expr.Calculator$AnyDivAny
  • net.sf.saxon.expr.Calculator$AnyIdivAny
  • net.sf.saxon.expr.Calculator$AnyMinusAny
  • net.sf.saxon.expr.Calculator$AnyModAny
  • net.sf.saxon.expr.Calculator$AnyPlusAny
  • net.sf.saxon.expr.Calculator$AnyTimesAny
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