Examples with IntegerValue org.exist.xquery.value.IntegerValue used on opensource projects

Example 61 with IntegerValue

use of org.exist.xquery.value.IntegerValue in project exist by eXist-db.

the class RandomFunction method eval.

@Override
public Sequence eval(Sequence[] args, Sequence contextSequence) throws XPathException {
    final Sequence result;
    final Random rnd = new Random();
    if (getArgumentCount() == 0) {
        if (isCalledAs("random")) {
            result = new DoubleValue(rnd.nextDouble());
        } else {
            final BigInteger rndInt = new BigInteger(64, rnd);
            result = new IntegerValue(rndInt, Type.UNSIGNED_LONG);
        }
    } else {
        final IntegerValue upper = (IntegerValue) args[0].convertTo(Type.INTEGER);
        result = new IntegerValue(rnd.nextInt(upper.getInt()));
    }
    return result;
}

Example 62 with IntegerValue

use of org.exist.xquery.value.IntegerValue in project exist by eXist-db.

the class FunctionAvailable method eval.

@Override
public Sequence eval(final Sequence[] args, final Sequence contextSequence) throws XPathException {
    final QName functionName = ((QNameValue) args[0].itemAt(0)).getQName();
    final int arity = ((IntegerValue) args[1].itemAt(0)).getInt();
    final org.exist.xquery.Module[] modules = context.getModules(functionName.getNamespaceURI());
    boolean found = false;
    if (isEmpty(modules)) {
        found = context.resolveFunction(functionName, arity) != null;
    } else {
        for (final org.exist.xquery.Module module : modules) {
            if (module instanceof InternalModule) {
                found = ((InternalModule) module).getFunctionDef(functionName, arity) != null;
            } else if (module instanceof ExternalModule) {
                found = ((ExternalModule) module).getFunction(functionName, arity, context) != null;
            }
            if (found) {
                break;
            }
        }
    }
    return BooleanValue.valueOf(found);
}

Example 63 with IntegerValue

use of org.exist.xquery.value.IntegerValue in project exist by eXist-db.

the class RangeExpression method eval.

/* (non-Javadoc)
	 * @see org.exist.xquery.Expression#eval(org.exist.dom.persistent.DocumentSet, org.exist.xquery.value.Sequence, org.exist.xquery.value.Item)
	 */
public Sequence eval(Sequence contextSequence, Item contextItem) throws XPathException {
    Sequence result = null;
    final Sequence startSeq = start.eval(contextSequence, contextItem);
    final Sequence endSeq = end.eval(contextSequence, contextItem);
    if (startSeq.isEmpty()) {
        result = Sequence.EMPTY_SEQUENCE;
    } else if (endSeq.isEmpty()) {
        result = Sequence.EMPTY_SEQUENCE;
    } else if (startSeq.hasMany()) {
        throw new XPathException(this, ErrorCodes.XPTY0004, "The first operand must have at most one item", startSeq);
    } else if (endSeq.hasMany()) {
        throw new XPathException(this, ErrorCodes.XPTY0004, "The second operand must have at most one item", endSeq);
    } else {
        if (context.isBackwardsCompatible()) {
            NumericValue valueStart;
            try {
                // Currently breaks 1e3 to 3
                valueStart = (NumericValue) startSeq.itemAt(0).convertTo(Type.NUMBER);
            } catch (final XPathException e) {
                throw new XPathException(this, ErrorCodes.FORG0006, "Required type is " + Type.getTypeName(Type.INTEGER) + " but got '" + Type.getTypeName(startSeq.itemAt(0).getType()) + "(" + startSeq.itemAt(0).getStringValue() + ")'", startSeq);
            }
            NumericValue valueEnd;
            try {
                // Currently breaks 3 to 1e3
                valueEnd = (NumericValue) endSeq.itemAt(0).convertTo(Type.NUMBER);
            } catch (final XPathException e) {
                throw new XPathException(this, ErrorCodes.FORG0006, "Required type is " + Type.getTypeName(Type.INTEGER) + " but got '" + Type.getTypeName(endSeq.itemAt(0).getType()) + "(" + endSeq.itemAt(0).getStringValue() + ")'", endSeq);
            }
            // Implied by previous conversion
            if (valueStart.hasFractionalPart()) {
                throw new XPathException(this, ErrorCodes.FORG0006, "Required type is " + Type.getTypeName(Type.INTEGER) + " but got '" + Type.getTypeName(startSeq.itemAt(0).getType()) + "(" + startSeq.itemAt(0).getStringValue() + ")'", startSeq);
            }
            // Implied by previous conversion
            if (valueEnd.hasFractionalPart()) {
                throw new XPathException(this, ErrorCodes.FORG0006, "Required type is " + Type.getTypeName(Type.INTEGER) + " but got '" + Type.getTypeName(endSeq.itemAt(0).getType()) + "(" + startSeq.itemAt(0).getStringValue() + ")'", endSeq);
            }
            // result = new ValueSequence();
            // for(long i = ((IntegerValue)valueStart.convertTo(Type.INTEGER)).getLong();
            // i <= ((IntegerValue)valueEnd.convertTo(Type.INTEGER)).getLong(); i++) {
            // result.add(new IntegerValue(i));
            // }
            result = new RangeSequence((IntegerValue) valueStart.convertTo(Type.INTEGER), (IntegerValue) valueEnd.convertTo(Type.INTEGER));
        } else {
            // Quite unusual test : we accept integers but no other *typed* type
            if (!Type.subTypeOf(startSeq.itemAt(0).atomize().getType(), Type.INTEGER) && !Type.subTypeOf(startSeq.itemAt(0).atomize().getType(), Type.UNTYPED_ATOMIC)) {
                throw new XPathException(this, ErrorCodes.FORG0006, "Required type is " + Type.getTypeName(Type.INTEGER) + " but got '" + Type.getTypeName(startSeq.itemAt(0).getType()) + "(" + startSeq.itemAt(0).getStringValue() + ")'", startSeq);
            }
            // Quite unusual test : we accept integers but no other *typed* type
            if (!Type.subTypeOf(endSeq.itemAt(0).atomize().getType(), Type.INTEGER) && !Type.subTypeOf(endSeq.itemAt(0).atomize().getType(), Type.UNTYPED_ATOMIC)) {
                throw new XPathException(this, ErrorCodes.FORG0006, "Required type is " + Type.getTypeName(Type.INTEGER) + " but got '" + Type.getTypeName(endSeq.itemAt(0).getType()) + "(" + endSeq.itemAt(0).getStringValue() + ")'", endSeq);
            }
            final IntegerValue valueStart = (IntegerValue) startSeq.itemAt(0).convertTo(Type.INTEGER);
            final IntegerValue valueEnd = (IntegerValue) endSeq.itemAt(0).convertTo(Type.INTEGER);
            // result = new ValueSequence();
            // for (long i = valueStart.getLong();	i <= valueEnd.getLong(); i++) {
            // result.add(new IntegerValue(i));
            // }
            result = new RangeSequence(valueStart, valueEnd);
        }
    }
    return result;
}