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

Example 56 with XPathException

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

the class FunResolveQName 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 qnameSeq = args[0];
    if (qnameSeq.isEmpty()) {
        return EmptySequence.EMPTY_SEQUENCE;
    } else {
        context.pushInScopeNamespaces();
        final String qnameString = args[0].getStringValue();
        if (QName.isQName(qnameString) == VALID.val) {
            try {
                String prefix = QName.extractPrefix(qnameString);
                if (prefix == null) {
                    prefix = "";
                }
                String uri = null;
                final NodeValue node = (NodeValue) args[1].itemAt(0);
                if (node.getImplementationType() == NodeValue.PERSISTENT_NODE) {
                    NodeProxy proxy = (NodeProxy) node;
                    final NodeSet ancestors = proxy.getAncestors(contextId, true);
                    for (NodeProxy ancestor : ancestors) {
                        proxy = ancestor;
                        final ElementImpl e = (ElementImpl) proxy.getNode();
                        uri = findNamespaceURI(e, prefix);
                        if (uri != null) {
                            break;
                        }
                    }
                } else {
                    NodeImpl next = (NodeImpl) node;
                    do {
                        uri = findNamespaceURI((org.exist.dom.memtree.ElementImpl) next, prefix);
                        if (uri != null) {
                            break;
                        } else {
                            next = (NodeImpl) next.getParentNode();
                        }
                    } while (next != null && next.getNodeType() == Node.ELEMENT_NODE);
                }
                if (uri == null && prefix != null && !prefix.isEmpty()) {
                    throw new XPathException(this, ErrorCodes.FONS0004, "No namespace found for prefix. No binding for prefix '" + prefix + "' was found.", args[0]);
                }
                final String localPart = QName.extractLocalName(qnameString);
                final QName qn = new QName(localPart, uri, prefix);
                final QNameValue result = new QNameValue(context, qn);
                if (context.getProfiler().isEnabled()) {
                    context.getProfiler().end(this, "", result);
                }
                context.popInScopeNamespaces();
                return result;
            } catch (final QName.IllegalQNameException e) {
                throw new XPathException(this, ErrorCodes.FOCA0002, "Invalid lexical value. '" + qnameString + "' is not a QName.", args[0]);
            }
        } else {
            throw new XPathException(this, ErrorCodes.FOCA0002, "Invalid lexical value. '" + qnameString + "' is not a QName.", args[0]);
        }
    }
}

Example 57 with XPathException

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

the class FunQName method eval.

/* (non-Javadoc)
	 * @see org.exist.xquery.BasicFunction#eval(org.exist.xquery.value.Sequence[], org.exist.xquery.value.Sequence)
	 */
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);
        }
    }
    // TODO : currently useless (but for empty sequences) since the type is forced :-(
    if (!args[0].isEmpty() && args[0].getItemType() != Type.STRING) {
        throw new XPathException(this, ErrorCodes.XPTY0004, "Namespace URI is of type '" + Type.getTypeName(args[0].getItemType()) + "', 'xs:string' expected", args[0]);
    }
    String namespace;
    if (args[0].isEmpty()) {
        namespace = "";
    } else {
        namespace = args[0].getStringValue();
    }
    final String param = args[1].getStringValue();
    String prefix = null;
    String localName = null;
    try {
        prefix = QName.extractPrefix(param);
        localName = QName.extractLocalName(param);
    } catch (final QName.IllegalQNameException e) {
        final ValueSequence argsSeq = new ValueSequence(args[0]);
        argsSeq.addAll(args[1]);
        throw new XPathException(this, ErrorCodes.FOCA0002, "Invalid lexical form of either prefix or local name.", argsSeq);
    }
    if ((prefix != null && !prefix.isEmpty()) && (namespace == null || namespace.isEmpty())) {
        final ValueSequence argsSeq = new ValueSequence(args[0]);
        argsSeq.addAll(args[1]);
        throw new XPathException(this, ErrorCodes.FOCA0002, "Non-empty namespace prefix with empty namespace URI", argsSeq);
    }
    if (namespace != null) {
        if (namespace.equalsIgnoreCase(Namespaces.XMLNS_NS)) {
            if (prefix == null)
                throw new XPathException(this, ErrorCodes.XQDY0044, "'" + Namespaces.XMLNS_NS + "' can't be use with no prefix");
            else if (!prefix.equalsIgnoreCase("xmlns"))
                throw new XPathException(this, ErrorCodes.XQDY0044, "'" + Namespaces.XMLNS_NS + "' can't be use with prefix '" + prefix + "'");
        }
        if (namespace.equalsIgnoreCase(Namespaces.XML_NS)) {
            if (prefix == null)
                throw new XPathException(this, ErrorCodes.XQDY0044, "'" + Namespaces.XML_NS + "' can't be use with no prefix");
            else if (!prefix.equalsIgnoreCase("xml"))
                throw new XPathException(this, ErrorCodes.XQDY0044, "'" + Namespaces.XML_NS + "' can't be use with prefix '" + prefix + "'");
        }
    }
    if (prefix != null) {
        if (prefix.equalsIgnoreCase("xml") && !namespace.equalsIgnoreCase(Namespaces.XML_NS)) {
            throw new XPathException(this, ErrorCodes.XQDY0044, "prefix 'xml' can be used only with '" + Namespaces.XML_NS + "'");
        }
    }
    final QName qname = new QName(localName, namespace, prefix);
    if (prefix != null && namespace != null) {
        if (context.getURIForPrefix(prefix) == null) {
            // TOCHECK : context.declareInScopeNamespace(prefix, uri) ?
            context.declareNamespace(prefix, namespace);
        }
    // context.declareInScopeNamespace(prefix, namespace);
    }
    if (!XMLNames.isName(qname.getLocalPart())) {
        throw new XPathException(this, ErrorCodes.FOCA0002, "'" + qname.getLocalPart() + "' is not a valid local name.");
    }
    final Sequence result = new QNameValue(context, qname);
    if (context.getProfiler().isEnabled()) {
        context.getProfiler().end(this, "", result);
    }
    return result;
}

Example 58 with XPathException

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

the class FunReplace 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 = StringValue.EMPTY_STRING;
    } else {
        final String flags;
        if (getSignature().getArgumentCount() == 4) {
            flags = getArgument(3).eval(contextSequence, contextItem).getStringValue();
        } else {
            flags = "";
        }
        final String string = stringArg.getStringValue();
        final Sequence patternSeq = getArgument(1).eval(contextSequence, contextItem);
        final String pattern = patternSeq.getStringValue();
        final Sequence replaceSeq = getArgument(2).eval(contextSequence, contextItem);
        final String replace = replaceSeq.getStringValue();
        final Configuration config = context.getBroker().getBrokerPool().getSaxonConfiguration();
        final List<String> warnings = new ArrayList<>(1);
        try {
            final RegularExpression regularExpression = config.compileRegularExpression(pattern, flags, "XP30", warnings);
            if (!hasLiteral(flags)) {
                final String msg = Replace.checkReplacement(replace);
                if (msg != null) {
                    throw new XPathException(this, ErrorCodes.FORX0004, msg);
                }
            }
            final CharSequence res = regularExpression.replace(string, replace);
            result = new StringValue(res.toString());
        } catch (final net.sf.saxon.trans.XPathException e) {
            switch(e.getErrorCodeLocalPart()) {
                case "FORX0001":
                    throw new XPathException(this, ErrorCodes.FORX0001, e.getMessage());
                case "FORX0002":
                    throw new XPathException(this, ErrorCodes.FORX0002, e.getMessage());
                case "FORX0003":
                    throw new XPathException(this, ErrorCodes.FORX0003, e.getMessage());
                case "FORX0004":
                    throw new XPathException(this, ErrorCodes.FORX0004, e.getMessage());
                default:
                    throw new XPathException(this, e.getMessage());
            }
        }
    }
    if (context.getProfiler().isEnabled()) {
        context.getProfiler().end(this, "", result);
    }
    return result;
}

Example 59 with XPathException

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

the class FunRoot 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 seq;
    Sequence result;
    Item item;
    if (contextItem != null) {
        contextSequence = contextItem.toSequence();
    }
    if (contextSequence == null || contextSequence.isEmpty()) {
        result = Sequence.EMPTY_SEQUENCE;
    }
    // If we have one argumment, we take it into account
    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");
    }
    if (seq.isPersistentSet()) {
        result = new ExtArrayNodeSet(seq.getItemCount());
    } else {
        result = new ValueSequence(seq.getItemCount());
    }
    for (final SequenceIterator i = seq.iterate(); i.hasNext(); ) {
        item = i.nextItem();
        if (!Type.subTypeOf(item.getType(), Type.NODE)) {
            throw new XPathException(this, ErrorCodes.XPTY0004, "Item is not a node; got '" + item + "'", seq);
        }
        final Sequence s = item.toSequence();
        if (s.isPersistentSet()) {
            final NodeProxy p = s.toNodeSet().get(0);
            result.add(new NodeProxy(p.getOwnerDocument()));
        } else {
            if (seq.hasOne() && item.getType() == Type.ATTRIBUTE) {
                result.add(item);
            } else if (item.getType() == Type.DOCUMENT) {
                result.add((DocumentImpl) item);
            } else {
                result.add(((NodeImpl) item).getOwnerDocument());
            }
        }
    }
    if (context.getProfiler().isEnabled()) {
        context.getProfiler().end(this, "", result);
    }
    return result;
}

Example 60 with XPathException

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

the class XUpdateProcessor method processQuery.

private Sequence processQuery(String select) throws SAXException {
    XQueryContext context = null;
    try {
        context = new XQueryContext(broker.getBrokerPool());
        context.setStaticallyKnownDocuments(documentSet);
        Map.Entry<String, String> namespaceEntry;
        for (Map.Entry<String, String> stringStringEntry : namespaces.entrySet()) {
            namespaceEntry = stringStringEntry;
            context.declareNamespace(namespaceEntry.getKey(), namespaceEntry.getValue());
        }
        Map.Entry<String, Object> entry;
        for (Map.Entry<String, Object> stringObjectEntry : variables.entrySet()) {
            entry = stringObjectEntry;
            context.declareVariable(entry.getKey(), entry.getValue());
        }
        // TODO(pkaminsk2): why replicate XQuery.compile here?
        final XQueryLexer lexer = new XQueryLexer(context, new StringReader(select));
        final XQueryParser parser = new XQueryParser(lexer);
        final XQueryTreeParser treeParser = new XQueryTreeParser(context);
        parser.xpath();
        if (parser.foundErrors()) {
            throw new SAXException(parser.getErrorMessage());
        }
        final AST ast = parser.getAST();
        if (LOG.isDebugEnabled()) {
            LOG.debug("generated AST: {}", ast.toStringTree());
        }
        final PathExpr expr = new PathExpr(context);
        treeParser.xpath(ast, expr);
        if (treeParser.foundErrors()) {
            throw new SAXException(treeParser.getErrorMessage());
        }
        expr.analyze(new AnalyzeContextInfo());
        final Sequence seq = expr.eval(null, null);
        return seq;
    } catch (final RecognitionException | TokenStreamException e) {
        LOG.warn("error while creating variable", e);
        throw new SAXException(e);
    } catch (final XPathException e) {
        throw new SAXException(e);
    } finally {
        if (context != null) {
            context.reset(false);
        }
    }
}