Package net.sf.saxon.type

Examples of net.sf.saxon.type.AtomicType

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        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);
        }

        if (calculator == null) {
            operand0 = createConversionCode(operand0, th, type0);
        }
        type0 = (AtomicType) operand0.getItemType(th).getPrimitiveItemType();

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



        if (calculator == null) {
            operand1 = createConversionCode(operand1, th, type1);
        }

        type1 = (AtomicType) operand1.getItemType(th).getPrimitiveItemType();

        if (operand0 != oldOp0) {
            adoptChildExpression(operand0);
        }

        if (operand1 != oldOp1) {
            adoptChildExpression(operand1);
        }

        if (operator == Token.NEGATE) {
            if (operand1 instanceof Literal) {
                Value v = ((Literal)operand1).getValue();
                if (v instanceof NumericValue) {
                    return Literal.makeLiteral(((NumericValue)v).negate());
                }
            }
            NegateExpression ne = new NegateExpression(operand1);
            ne.setBackwardsCompatible(true);
            return visitor.typeCheck(ne, contextItemType);
        }

        // Get a calculator to implement the arithmetic operation. If the types are not yet specifically known,
         // we allow this to return an "ANY" calculator which defers the decision. However, we only allow this if
         // at least one of the operand types is AnyAtomicType or (otherwise unspecified) numeric.

        boolean mustResolve = !(type0.equals(BuiltInAtomicType.ANY_ATOMIC) || type1.equals(BuiltInAtomicType.ANY_ATOMIC)
                || type0.equals(BuiltInAtomicType.NUMERIC) || type1.equals(BuiltInAtomicType.NUMERIC));

        calculator = Calculator.getCalculator(type0.getFingerprint(), type1.getFingerprint(),
                ArithmeticExpression.mapOpCode(operator), mustResolve);

        if (calculator == null) {
            XPathException de = new XPathException("Arithmetic operator is not defined for arguments of types (" +
                    type0.getDescription() + ", " + type1.getDescription() + ")");
            de.setLocator(this);
            de.setErrorCode("XPTY0004");
            throw de;
        }
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        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) {
            adoptChildExpression(operand0);
        }

        if (operand1 != oldOp1) {
            adoptChildExpression(operand1);
        }

        if (Literal.isEmptySequence(operand0) ||
                Literal.isEmptySequence(operand1)) {
            return new Literal(EmptySequence.getInstance());
        }

        if (type0.isExternalType() || type1.isExternalType()) {
            XPathException de = new XPathException("Arithmetic operators are not defined for external objects");
            de.setLocator(this);
            de.setErrorCode("XPTY0004");
            throw de;
        }

        if (operator == Token.NEGATE) {
            if (operand1 instanceof Literal && ((Literal)operand1).getValue() instanceof NumericValue) {
                NumericValue nv = (NumericValue)((Literal)operand1).getValue();
                return new Literal(nv.negate());
            } else {
                NegateExpression ne = new NegateExpression(operand1);
                ne.setBackwardsCompatible(false);
                return visitor.typeCheck(ne, contextItemType);
            }
        }

        // Get a calculator to implement the arithmetic operation. If the types are not yet specifically known,
        // we allow this to return an "ANY" calculator which defers the decision. However, we only allow this if
        // at least one of the operand types is AnyAtomicType or (otherwise unspecified) numeric.

        boolean mustResolve = !(type0.equals(BuiltInAtomicType.ANY_ATOMIC) || type1.equals(BuiltInAtomicType.ANY_ATOMIC)
                || type0.equals(BuiltInAtomicType.NUMERIC) || type1.equals(BuiltInAtomicType.NUMERIC));

        calculator = Calculator.getCalculator(
                type0.getFingerprint(), type1.getFingerprint(), mapOpCode(operator), mustResolve);

        if (calculator == null) {
            XPathException de = new XPathException("Arithmetic operator is not defined for arguments of types (" +
                    type0.getDescription() + ", " + type1.getDescription() + ")");
            de.setLocator(this);
            de.setErrorCode("XPTY0004");
            throw de;
        }

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            // TODO: implement this
            throw new XPathException("Wrapped output: cannot display an external Java object");
        } else if (item instanceof AtomicValue) {
            final NamePool pool = getNamePool();
            out.startElement(resultAtomicValue, StandardNames.XS_UNTYPED, 0, 0);
            AtomicType type = (AtomicType)((AtomicValue)item).getItemType(getConfiguration().getTypeHierarchy());
            int nameCode = type.getNameCode();
            String prefix = pool.getPrefix(nameCode);
            String localName = pool.getLocalName(nameCode);
            String uri = pool.getURI(nameCode);
            if (prefix.length() == 0) {
                prefix = pool.suggestPrefixForURI(uri);
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        }
        ItemType itemType = ((SaxonXQItemType)type).getSaxonItemType();
        if (!itemType.isAtomicType()) {
            throw new XQException("Target type is not atomic");
        }
        AtomicType at = (AtomicType)itemType;
        if (!at.matchesItem(value, true, getConfiguration())) {
            throw new XQException("value is invalid for specified type");
        }
    }
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            return null;
        }
        String uri = functionName.getNamespaceURI();
        String local = functionName.getLocalName();
        if (uri.equals(NamespaceConstant.SCHEMA)) {
            AtomicType type = (AtomicType)Type.getBuiltInItemType(uri, local);
            if (type != null && type.getFingerprint() != StandardNames.XS_NOTATION) {
                return new SequenceType[] {
                        SequenceType.makeSequenceType(type, StaticProperty.ALLOWS_ZERO_OR_ONE),
                        SequenceType.OPTIONAL_ATOMIC
                };
            } else {
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        if (builtInNamespace) {
            // it's a constructor function: treat it as shorthand for a cast expression
            if (arguments.length != 1) {
                throw new XPathException("A constructor function must have exactly one argument");
            }
            AtomicType type = (AtomicType)Type.getBuiltInItemType(targetURI, localName);
            if (type==null || type.getFingerprint() == StandardNames.XS_ANY_ATOMIC_TYPE ||
                    type.getFingerprint() == StandardNames.XS_NOTATION) {
                XPathException err = new XPathException("Unknown constructor function: {" + uri + '}' + localName);
                err.setErrorCode("XPST0017");
                err.setIsStaticError(true);
                throw err;
            }
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        public boolean matches(XdmItem item) {
            Item value = (Item)item.getUnderlyingValue();
            if (!(value instanceof AtomicValue)) {
                return false;
            }
            AtomicType type = ((AtomicValue)value).getTypeLabel();
            return subsumesUnderlyingType(type);
        }
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        public boolean subsumes(ItemType other) {
            net.sf.saxon.type.ItemType otherType = other.getUnderlyingItemType();
            if (!(otherType.isAtomicType())) {
                return false;
            }
            AtomicType type = (AtomicType)otherType;
            return subsumesUnderlyingType(type);
        }
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                case Type.UNSIGNED_LONG:
                case Type.UNSIGNED_INT:
                case Type.UNSIGNED_SHORT:
                case Type.UNSIGNED_BYTE:
                    NumericValue iv = IntegerValue.stringToInteger(value);
                    AtomicType subtype = (AtomicType) BuiltInSchemaFactory.getSchemaType(requiredType);
                    if (iv instanceof IntegerValue) {
                        ((IntegerValue)iv).setSubType(subtype);
                        return iv;
                    } else {
                        return DerivedAtomicValue.makeValue(iv, value.toString(), subtype, true);
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            return false;
        }
        if (uri.equals(NamespaceConstant.SCHEMA) || uri.equals(NamespaceConstant.SCHEMA_DATATYPES)
                || uri.equals(NamespaceConstant.XDT)) {

            AtomicType type = (AtomicType)Type.getBuiltInItemType(uri, local);
            return type != null;
        }

        SchemaType st = config.getSchemaType(fingerprint);
        return (st != null && st instanceof AtomicType);
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Related Classes of net.sf.saxon.type.AtomicType

  • net.sf.saxon.expr.ArithmeticExpression
  • net.sf.saxon.expr.ArithmeticExpression10
  • net.sf.saxon.expr.ValueComparison
  • net.sf.saxon.functions.ConstructorFunctionLibrary
  • net.sf.saxon.functions.Extensions
  • net.sf.saxon.query.SequenceWrapper
  • net.sf.saxon.s9api.ItemType$BuiltInAtomicItemType
  • net.sf.saxon.s9api.ItemTypeFactory
  • net.sf.saxon.value.AtomicValue
  • net.sf.saxon.value.QNameValue
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