Package net.sf.saxon.type

Examples of net.sf.saxon.type.TypeHierarchy

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     * Arithmetic: anyAtomicType + AnyAtomicType
     */

    private static class AnyPlusAny extends Calculator {
        public AtomicValue compute(AtomicValue a, AtomicValue b, XPathContext c) throws XPathException {
            TypeHierarchy th = c.getConfiguration().getTypeHierarchy();
            Calculator calc = getCalculator(
                    a.getItemType(th).getPrimitiveType(), b.getItemType(th).getPrimitiveType(), PLUS, true);
            if (calc == null) {
                throw new XPathException("Unsuitable types for + operation (" +
                        Type.displayTypeName(a) + ", " + Type.displayTypeName(b) + ")", "XPTY0004", c);
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     * Arithmetic: anyAtomicType - AnyAtomicType
     */

    private static class AnyMinusAny extends Calculator {
        public AtomicValue compute(AtomicValue a, AtomicValue b, XPathContext c) throws XPathException {
            TypeHierarchy th = c.getConfiguration().getTypeHierarchy();
            Calculator calc = getCalculator(
                    a.getItemType(th).getPrimitiveType(), b.getItemType(th).getPrimitiveType(), MINUS, true);
            if (calc == null) {
                throw new XPathException("Unsuitable types for - operation (" +
                        Type.displayTypeName(a) + ", " + Type.displayTypeName(b) + ")", "XPTY0004", c);
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     * Arithmetic: anyAtomicType * AnyAtomicType
     */

    private static class AnyTimesAny extends Calculator {
        public AtomicValue compute(AtomicValue a, AtomicValue b, XPathContext c) throws XPathException {
            TypeHierarchy th = c.getConfiguration().getTypeHierarchy();
            Calculator calc = getCalculator(
                    a.getItemType(th).getPrimitiveType(), b.getItemType(th).getPrimitiveType(), TIMES, true);
            if (calc == null) {
                throw new XPathException("Unsuitable types for * operation (" +
                        Type.displayTypeName(a) + ", " + Type.displayTypeName(b) + ")", "XPTY0004", c);
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     * Arithmetic: anyAtomicType div AnyAtomicType
     */

    private static class AnyDivAny extends Calculator {
        public AtomicValue compute(AtomicValue a, AtomicValue b, XPathContext c) throws XPathException {
            TypeHierarchy th = c.getConfiguration().getTypeHierarchy();
            Calculator calc = getCalculator(
                    a.getItemType(th).getPrimitiveType(), b.getItemType(th).getPrimitiveType(), DIV, true);
            if (calc == null) {
                throw new XPathException("Unsuitable types for div operation (" +
                        Type.displayTypeName(a) + ", " + Type.displayTypeName(b) + ")", "XPTY0004", c);
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     * Arithmetic: anyAtomicType mod AnyAtomicType
     */

    private static class AnyModAny extends Calculator {
        public AtomicValue compute(AtomicValue a, AtomicValue b, XPathContext c) throws XPathException {
            TypeHierarchy th = c.getConfiguration().getTypeHierarchy();
            Calculator calc = getCalculator(
                    a.getItemType(th).getPrimitiveType(), b.getItemType(th).getPrimitiveType(), MOD, true);
            if (calc == null) {
                throw new XPathException("Unsuitable types for mod operation (" +
                        Type.displayTypeName(a) + ", " + Type.displayTypeName(b) + ")", "XPTY0004", c);
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     * Arithmetic: anyAtomicType idiv AnyAtomicType
     */

    private static class AnyIdivAny extends Calculator {
        public AtomicValue compute(AtomicValue a, AtomicValue b, XPathContext c) throws XPathException {
            TypeHierarchy th = c.getConfiguration().getTypeHierarchy();
            Calculator calc = getCalculator(
                    a.getItemType(th).getPrimitiveType(), b.getItemType(th).getPrimitiveType(), IDIV, true);
            if (calc == null) {
                throw new XPathException("Unsuitable types for idiv operation (" +
                        Type.displayTypeName(a) + ", " + Type.displayTypeName(b) + ")", "XPTY0004", c);
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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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                typeError("An empty sequence is not allowed as the " +
                        role.getMessage(), role.getErrorCode(), null);
            }
            return operand;
        }
        final TypeHierarchy th = visitor.getConfiguration().getTypeHierarchy();
        if (operand.getItemType(th).isAtomicType()) {
            return operand;
        }
        return this;
    }
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    public Expression optimize(ExpressionVisitor visitor, ItemType contextItemType) throws XPathException {
        Expression exp = super.optimize(visitor, contextItemType);
        if (exp == this) {
            final TypeHierarchy th = visitor.getConfiguration().getTypeHierarchy();
            if (operand.getItemType(th).isAtomicType()) {
                return operand;
            }
            return this;
        } else {
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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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