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

Example 16 with IntegerValue

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

the class FunOnFunctions method eval.

@Override
public Sequence eval(Sequence[] args, Sequence contextSequence) throws XPathException {
    try {
        if (isCalledAs("function-lookup")) {
            final QName fname = ((QNameValue) args[0].itemAt(0)).getQName();
            final int arity = ((IntegerValue) args[1].itemAt(0)).getInt();
            FunctionCall call;
            try {
                call = NamedFunctionReference.lookupFunction(this, context, fname, arity);
            } catch (final XPathException e) {
                if (e.getErrorCode() == ErrorCodes.XPST0017) {
                    // return empty sequence for all "function not found" related errors
                    return Sequence.EMPTY_SEQUENCE;
                }
                throw e;
            }
            return call == null ? Sequence.EMPTY_SEQUENCE : new FunctionReference(call);
        } else if (isCalledAs("function-name")) {
            final FunctionReference ref = (FunctionReference) args[0].itemAt(0);
            final QName qname = ref.getSignature().getName();
            if (qname == null || qname == InlineFunction.INLINE_FUNCTION_QNAME) {
                return Sequence.EMPTY_SEQUENCE;
            } else {
                return new QNameValue(context, qname);
            }
        } else {
            // isCalledAs("function-arity")
            final FunctionReference ref = (FunctionReference) args[0].itemAt(0);
            return new IntegerValue(ref.getSignature().getArgumentCount());
        }
    } catch (final Exception e) {
        if (e instanceof XPathException) {
            throw (XPathException) e;
        } else {
            throw new XPathException(this, ErrorCodes.XPST0017, e.getMessage());
        }
    }
}

Example 17 with IntegerValue

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

the class FunPosition method eval.

public Sequence eval(Sequence contextSequence, Item contextItem) throws XPathException {
    if (context.getProfiler().isEnabled()) {
        context.getProfiler().start(this);
        context.getProfiler().message(this, Profiler.DEPENDENCIES, "DEPENDENCIES", Dependency.getDependenciesName(this.getDependencies()));
        if (contextSequence != null) {
            context.getProfiler().message(this, Profiler.START_SEQUENCES, "CONTEXT SEQUENCE", contextSequence);
        }
        if (contextItem != null) {
            context.getProfiler().message(this, Profiler.START_SEQUENCES, "CONTEXT ITEM", contextItem.toSequence());
        }
    }
    Sequence inSequence = context.getContextSequence();
    if (inSequence == null) {
        inSequence = contextSequence;
    }
    if (inSequence == null) {
        throw new XPathException(this, ErrorCodes.XPDY0002, "Undefined context item");
    }
    Sequence result;
    if (inSequence.isEmpty()) {
        result = Sequence.EMPTY_SEQUENCE;
    } else {
        result = new IntegerValue(context.getContextPosition() + 1);
    }
    if (context.getProfiler().isEnabled()) {
        context.getProfiler().end(this, "", result);
    }
    return result;
}

Example 18 with IntegerValue

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

the class FunRoundHalfToEven method eval.

public Sequence eval(Sequence contextSequence, Item contextItem) throws XPathException {
    if (context.getProfiler().isEnabled()) {
        context.getProfiler().start(this);
        context.getProfiler().message(this, Profiler.DEPENDENCIES, "DEPENDENCIES", Dependency.getDependenciesName(this.getDependencies()));
        if (contextSequence != null) {
            context.getProfiler().message(this, Profiler.START_SEQUENCES, "CONTEXT SEQUENCE", contextSequence);
        }
        if (contextItem != null) {
            context.getProfiler().message(this, Profiler.START_SEQUENCES, "CONTEXT ITEM", contextItem.toSequence());
        }
    }
    Sequence result;
    IntegerValue precision = null;
    final Sequence seq = getArgument(0).eval(contextSequence, contextItem);
    if (seq.isEmpty()) {
        result = Sequence.EMPTY_SEQUENCE;
    } else {
        if (contextItem != null) {
            contextSequence = contextItem.toSequence();
        }
        if (getSignature().getArgumentCount() > 1) {
            precision = (IntegerValue) getArgument(1).eval(contextSequence, contextItem).itemAt(0).convertTo(Type.INTEGER);
        }
        final Item item = seq.itemAt(0);
        NumericValue value;
        if (item instanceof NumericValue) {
            value = (NumericValue) item;
        } else {
            value = (NumericValue) item.convertTo(Type.NUMBER);
        }
        result = value.round(precision);
    }
    if (context.getProfiler().isEnabled()) {
        context.getProfiler().end(this, "", result);
    }
    return result;
}

Example 19 with IntegerValue

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

the class BaseConversionFunctions method eval.

@Override
public Sequence eval(final Sequence[] args, final Sequence contextSequence) throws XPathException {
    if (isCalledAs(qnIntToOctal.getLocalPart())) {
        final int i = args[0].toJavaObject(Integer.class);
        final String octal = i == 0 ? "0" : "0" + Integer.toOctalString(i);
        return new StringValue(octal);
    } else if (isCalledAs(qnOctalToInt.getLocalPart())) {
        final String octal = args[0].toString();
        return new IntegerValue(Integer.parseInt(octal, 8));
    } else {
        throw new XPathException("Unknown function call: " + getSignature());
    }
}

Example 20 with IntegerValue

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

the class BaseConverter 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[] args, Sequence contextSequence) throws XPathException {
    int intValue;
    String stringValue;
    final String number = args[0].itemAt(0).getStringValue();
    final int intBase = ((IntegerValue) args[1].itemAt(0)).getInt();
    if (isCalledAs("base-to-integer")) {
        intValue = Integer.parseInt(number, intBase);
        return new IntegerValue(intValue);
    } else {
        switch(Base.getBase(intBase)) {
            case BINARY:
                stringValue = Integer.toBinaryString(Integer.parseInt(number));
                break;
            case OCTAL:
                stringValue = Integer.toOctalString(Integer.parseInt(number));
                break;
            // break;
            case HEXADECIMAL:
                stringValue = Integer.toHexString(Integer.parseInt(number));
                break;
            default:
                {
                    logger.error("Unhandled base for conversion target in integer-to-base().");
                    throw new XPathException("Unhandled base for conversion target in integer-to-base().");
                }
        }
        return new StringValue(stringValue);
    }
}