Examples with XPathException org.exist.xquery.XPathException used on opensource projects

Example 51 with XPathException

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

the class FunTokenize method eval.

@Override
public Sequence eval(final Sequence contextSequence, final 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 result;
    final Sequence stringArg = getArgument(0).eval(contextSequence, contextItem);
    if (stringArg.isEmpty()) {
        result = Sequence.EMPTY_SEQUENCE;
    } else {
        String string = stringArg.getStringValue();
        if (string.isEmpty()) {
            result = Sequence.EMPTY_SEQUENCE;
        } else {
            final int flags;
            if (getSignature().getArgumentCount() == 3) {
                flags = parseFlags(this, getArgument(2).eval(contextSequence, contextItem).getStringValue());
            } else {
                flags = 0;
            }
            final String pattern;
            if (getArgumentCount() == 1) {
                pattern = " ";
                string = FunNormalizeSpace.normalize(string);
            } else {
                if (hasLiteral(flags)) {
                    // no need to change anything
                    pattern = getArgument(1).eval(contextSequence, contextItem).getStringValue();
                } else {
                    final boolean ignoreWhitespace = hasIgnoreWhitespace(flags);
                    final boolean caseBlind = hasCaseInsensitive(flags);
                    pattern = translateRegexp(this, getArgument(1).eval(contextSequence, contextItem).getStringValue(), ignoreWhitespace, caseBlind);
                }
            }
            try {
                if (pat == null || (!pattern.equals(pat.pattern())) || flags != pat.flags()) {
                    pat = PatternFactory.getInstance().getPattern(pattern, flags);
                }
                if (pat.matcher("").matches()) {
                    throw new XPathException(this, ErrorCodes.FORX0003, "regular expression could match empty string");
                }
                final String[] tokens = pat.split(string, -1);
                result = new ValueSequence();
                for (final String token : tokens) {
                    result.add(new StringValue(token));
                }
            } catch (final PatternSyntaxException e) {
                throw new XPathException(this, ErrorCodes.FORX0001, "Invalid regular expression: " + e.getMessage(), new StringValue(pattern), e);
            }
        }
    }
    if (context.getProfiler().isEnabled()) {
        context.getProfiler().end(this, "", result);
    }
    return result;
}

Example 52 with XPathException

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

the class FunMin 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());
        }
    }
    boolean computableProcessing = false;
    Sequence result;
    final Sequence arg = getArgument(0).eval(contextSequence, contextItem);
    if (arg.isEmpty()) {
        result = Sequence.EMPTY_SEQUENCE;
    } else {
        // 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 min = 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 (min != null && min.getType() != Type.YEAR_MONTH_DURATION) {
                        throw new XPathException(this, ErrorCodes.FORG0006, "Cannot compare " + Type.getTypeName(min.getType()) + " and " + Type.getTypeName(value.getType()), value);
                    }
                } else if (value.getType() == Type.DAY_TIME_DURATION) {
                    if (min != null && min.getType() != Type.DAY_TIME_DURATION) {
                        throw new XPathException(this, ErrorCodes.FORG0006, "Cannot compare " + Type.getTypeName(min.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 (min == null) {
                min = value;
            } else {
                if (Type.getCommonSuperType(min.getType(), value.getType()) == Type.ATOMIC) {
                    throw new XPathException(this, ErrorCodes.FORG0006, "Cannot compare " + Type.getTypeName(min.getType()) + " and " + Type.getTypeName(value.getType()), value);
                }
                // Any value of type xdt:untypedAtomic is cast to xs:double
                if (value.getType() == Type.ATOMIC) {
                    value = value.convertTo(Type.DOUBLE);
                }
                // Numeric tests
                if (Type.subTypeOfUnion(value.getType(), Type.NUMBER)) {
                    // Don't mix comparisons
                    if (!Type.subTypeOfUnion(min.getType(), Type.NUMBER)) {
                        throw new XPathException(this, ErrorCodes.FORG0006, "Cannot compare " + Type.getTypeName(min.getType()) + " and " + Type.getTypeName(value.getType()), min);
                    }
                    if (((NumericValue) value).isNaN()) {
                        // Type NaN correctly
                        value = value.promote(min);
                        if (value.getType() == Type.FLOAT) {
                            min = FloatValue.NaN;
                        } else {
                            min = DoubleValue.NaN;
                        }
                        // although result will be NaN, we need to continue on order to type correctly
                        continue;
                    }
                    min = min.promote(value);
                }
                // Ugly test
                if (value instanceof ComputableValue) {
                    if (!(min instanceof ComputableValue)) {
                        throw new XPathException(this, ErrorCodes.FORG0006, "Cannot compare " + Type.getTypeName(min.getType()) + " and " + Type.getTypeName(value.getType()), min);
                    }
                    // Type value correctly
                    value = value.promote(min);
                    min = min.min(collator, value);
                    computableProcessing = true;
                } else {
                    if (computableProcessing) {
                        throw new XPathException(this, ErrorCodes.FORG0006, "Cannot compare " + Type.getTypeName(min.getType()) + " and " + Type.getTypeName(value.getType()), value);
                    }
                    if (Collations.compare(collator, value.getStringValue(), min.getStringValue()) < 0) {
                        min = value;
                    }
                }
            }
        }
        result = min;
    }
    if (context.getProfiler().isEnabled()) {
        context.getProfiler().end(this, "", result);
    }
    return result;
}

Example 53 with XPathException

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

the class FunNamespaceURI method eval.

@Override
public Sequence eval(Sequence contextSequence, final 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();
    }
    // If we have one argument, we take it into account
    final Sequence seq;
    if (getSignature().getArgumentCount() > 0) {
        seq = getArgument(0).eval(contextSequence, contextItem);
    } else {
        // Otherwise, we take the context sequence and we iterate over it
        seq = contextSequence;
    }
    if (seq == null) {
        throw new XPathException(this, ErrorCodes.XPDY0002, "Undefined context item");
    }
    final Sequence result;
    if (seq.isEmpty()) {
        result = AnyURIValue.EMPTY_URI;
    } else {
        final Item item = seq.itemAt(0);
        if (!Type.subTypeOf(item.getType(), Type.NODE)) {
            throw new XPathException(this, ErrorCodes.XPTY0004, "Context item is not a node; got: " + Type.getTypeName(item.getType()));
        }
        // TODO : how to improve performance ?
        final Node n = ((NodeValue) item).getNode();
        String ns = n.getNamespaceURI();
        if (ns == null) {
            ns = XMLConstants.NULL_NS_URI;
        }
        result = new AnyURIValue(ns);
    }
    if (context.getProfiler().isEnabled()) {
        context.getProfiler().end(this, "", result);
    }
    return result;
}

Example 54 with XPathException

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

the class FunOneOrMore 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());
        }
    }
    final Sequence result = getArgument(0).eval(contextSequence, contextItem);
    if (result.isEmpty()) {
        throw new XPathException(this, ErrorCodes.FORG0004, "fn:one-or-more called with a sequence containing zero items");
    }
    if (context.getProfiler().isEnabled()) {
        context.getProfiler().end(this, "", result);
    }
    return result;
}

Example 55 with XPathException

use of org.exist.xquery.XPathException 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;
}