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

Example 66 with StringValue

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

the class FunNormalizeSpace 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();
    }
    String value = null;
    if (getSignature().getArgumentCount() == 0) {
        if (contextSequence == null) {
            throw new XPathException(this, ErrorCodes.XPDY0002, "Undefined context item");
        }
        value = !contextSequence.isEmpty() ? contextSequence.itemAt(0).getStringValue() : "";
    } else {
        final Sequence seq = getArgument(0).eval(contextSequence);
        if (seq == null) {
            throw new XPathException(this, ErrorCodes.XPDY0002, "Undefined context item");
        }
        if (!seq.isEmpty()) {
            value = seq.getStringValue();
        }
    }
    final Sequence result;
    if (value == null) {
        result = StringValue.EMPTY_STRING;
    } else {
        result = new StringValue(normalize(value));
    }
    if (context.getProfiler().isEnabled()) {
        context.getProfiler().end(this, "", result);
    }
    return result;
}

Example 67 with StringValue

use of org.exist.xquery.value.StringValue 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;
}

Example 68 with StringValue

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

the class FunConcat 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 (getArgumentCount() < 2) {
        throw new XPathException(this, ErrorCodes.XPST0017, "concat() requires at least two arguments");
    }
    final StringBuilder concat = new StringBuilder();
    for (int i = 0; i < getArgumentCount(); i++) {
        concat.append(getArgument(i).eval(contextSequence, contextItem).getStringValue());
    }
    final Sequence result = new StringValue(concat.toString());
    if (context.getProfiler().isEnabled()) {
        context.getProfiler().end(this, "", result);
    }
    return result;
}

Example 69 with StringValue

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

the class FunDefaultCollation 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);
        }
    }
    final Sequence result = new StringValue(context.getDefaultCollation());
    if (context.getProfiler().isEnabled()) {
        context.getProfiler().end(this, "", result);
    }
    return result;
}

Example 70 with StringValue

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

the class FunEncodeForURI 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;
    final Sequence seq = getArgument(0).eval(contextSequence, contextItem);
    if (seq.isEmpty()) {
        // If $uri-part is the empty sequence, returns the zero-length string.
        result = StringValue.EMPTY_STRING;
    } else {
        String value;
        value = URIUtils.encodeForURI(seq.getStringValue());
        result = new StringValue(value);
    }
    if (context.getProfiler().isEnabled()) {
        context.getProfiler().end(this, "", result);
    }
    return result;
}