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

Example 11 with NumericValue

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

the class FunMax 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 {
    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;
    final Sequence arg = getArgument(0).eval(contextSequence, contextItem);
    if (arg.isEmpty()) {
        result = Sequence.EMPTY_SEQUENCE;
    } else {
        boolean computableProcessing = false;
        // TODO : test if a range index is defined *iff* it is compatible with the collator
        final Collator collator = getCollator(contextSequence, contextItem, 2);
        final SequenceIterator iter = arg.unorderedIterator();
        AtomicValue max = null;
        while (iter.hasNext()) {
            final Item item = iter.nextItem();
            if (item instanceof QNameValue) {
                throw new XPathException(this, ErrorCodes.FORG0006, "Cannot compare " + Type.getTypeName(item.getType()), arg);
            }
            AtomicValue value = item.atomize();
            // Duration values must either all be xs:yearMonthDuration values or must all be xs:dayTimeDuration values.
            if (Type.subTypeOf(value.getType(), Type.DURATION)) {
                value = ((DurationValue) value).wrap();
                if (value.getType() == Type.YEAR_MONTH_DURATION) {
                    if (max != null && max.getType() != Type.YEAR_MONTH_DURATION) {
                        throw new XPathException(this, ErrorCodes.FORG0006, "Cannot compare " + Type.getTypeName(max.getType()) + " and " + Type.getTypeName(value.getType()), value);
                    }
                } else if (value.getType() == Type.DAY_TIME_DURATION) {
                    if (max != null && max.getType() != Type.DAY_TIME_DURATION) {
                        throw new XPathException(this, ErrorCodes.FORG0006, "Cannot compare " + Type.getTypeName(max.getType()) + " and " + Type.getTypeName(value.getType()), value);
                    }
                } else {
                    throw new XPathException(this, ErrorCodes.FORG0006, "Cannot compare " + Type.getTypeName(value.getType()), value);
                }
            // Any value of type xdt:untypedAtomic is cast to xs:double
            } else if (value.getType() == Type.UNTYPED_ATOMIC) {
                value = value.convertTo(Type.DOUBLE);
            }
            if (max == null) {
                max = value;
            } else {
                if (Type.getCommonSuperType(max.getType(), value.getType()) == Type.ATOMIC) {
                    throw new XPathException(this, ErrorCodes.FORG0006, "Cannot compare " + Type.getTypeName(max.getType()) + " and " + Type.getTypeName(value.getType()), max);
                }
                // Any value of type xdt:untypedAtomic is cast to xs:double
                if (value.getType() == Type.UNTYPED_ATOMIC) {
                    value = value.convertTo(Type.DOUBLE);
                }
                // Numeric tests
                if (Type.subTypeOfUnion(value.getType(), Type.NUMBER)) {
                    // Don't mix comparisons
                    if (!Type.subTypeOfUnion(max.getType(), Type.NUMBER)) {
                        throw new XPathException(this, ErrorCodes.FORG0006, "Cannot compare " + Type.getTypeName(max.getType()) + " and " + Type.getTypeName(value.getType()), max);
                    }
                    if (((NumericValue) value).isNaN()) {
                        // Type NaN correctly
                        value = value.promote(max);
                        if (value.getType() == Type.FLOAT) {
                            max = FloatValue.NaN;
                        } else {
                            max = DoubleValue.NaN;
                        }
                        // although result will be NaN, we need to continue on order to type correctly
                        continue;
                    } else {
                        max = max.promote(value);
                    }
                }
                // Ugly test
                if (max instanceof ComputableValue && value instanceof ComputableValue) {
                    // Type value correctly
                    value = value.promote(max);
                    max = (ComputableValue) max.max(collator, value);
                    computableProcessing = true;
                } else {
                    if (computableProcessing) {
                        throw new XPathException(this, ErrorCodes.FORG0006, "Cannot compare " + Type.getTypeName(max.getType()) + " and " + Type.getTypeName(value.getType()), max);
                    }
                    if (Collations.compare(collator, value.getStringValue(), max.getStringValue()) > 0) {
                        max = value;
                    }
                }
            }
        }
        result = max;
    }
    if (context.getProfiler().isEnabled()) {
        context.getProfiler().end(this, "", result);
    }
    return result;
}

Example 12 with NumericValue

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

the class FunFloor 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());
        }
    }
    // if (contextItem != null)
    // contextSequence = contextItem.toSequence();
    Sequence result;
    final Sequence seq = getArgument(0).eval(contextSequence, contextItem);
    if (seq.isEmpty()) {
        result = Sequence.EMPTY_SEQUENCE;
    } else {
        final Item item = seq.itemAt(0);
        NumericValue value;
        if (item instanceof NumericValue) {
            value = (NumericValue) item;
        } else {
            value = (NumericValue) item.convertTo(Type.NUMBER);
        }
        result = value.floor();
    }
    if (context.getProfiler().isEnabled()) {
        context.getProfiler().end(this, "", result);
    }
    return result;
}

Example 13 with NumericValue

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

the class FunRound 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());
        }
    }
    if (contextItem != null) {
        contextSequence = contextItem.toSequence();
    }
    Sequence result;
    final Sequence seq = getArgument(0).eval(contextSequence, contextItem);
    if (seq.isEmpty()) {
        result = Sequence.EMPTY_SEQUENCE;
    } else {
        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();
    }
    if (context.getProfiler().isEnabled()) {
        context.getProfiler().end(this, "", result);
    }
    return result;
}

Example 14 with NumericValue

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

the class FunCeiling 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());
        }
    }
    final Sequence seq = getArgument(0).eval(contextSequence, contextItem);
    Sequence result;
    if (seq.isEmpty()) {
        result = Sequence.EMPTY_SEQUENCE;
    } else {
        final Item item = seq.itemAt(0);
        NumericValue value;
        if (item instanceof NumericValue) {
            value = (NumericValue) item;
        } else {
            value = (NumericValue) item.convertTo(Type.NUMBER);
        }
        result = value.ceiling();
    }
    if (context.getProfiler().isEnabled()) {
        context.getProfiler().end(this, "", result);
    }
    return result;
}

Example 15 with NumericValue

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

the class FunCodepointsToString method eval.

public Sequence eval(Sequence[] args, Sequence contextSequence) 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);
        }
    }
    Sequence result;
    if (args[0].isEmpty()) {
        result = StringValue.EMPTY_STRING;
    } else {
        final StringBuilder buf = new StringBuilder();
        for (final SequenceIterator i = args[0].iterate(); i.hasNext(); ) {
            final long next = ((NumericValue) i.nextItem()).getLong();
            if (next < 0 || next > Integer.MAX_VALUE || !XMLChar.isValid((int) next)) {
                throw new XPathException(this, ErrorCodes.FOCH0001, "Codepoint " + next + " is not a valid character.");
            }
            if (next < 65536) {
                buf.append((char) next);
            } else {
                // output a surrogate pair
                buf.append(XMLChar.highSurrogate((int) next));
                buf.append(XMLChar.lowSurrogate((int) next));
            }
        }
        result = new StringValue(buf.toString());
    }
    if (context.getProfiler().isEnabled()) {
        context.getProfiler().end(this, "", result);
    }
    return result;
}