Examples with Source org.exist.source.Source used on opensource projects

Example 6 with Source

use of org.exist.source.Source in project exist by eXist-db.

the class Profiler method traceFunctionEnd.

public final void traceFunctionEnd(Function function, long elapsed) {
    if (stats.isEnabled()) {
        final Source source = function.getContext().getSource();
        final String sourceMsg;
        if (source == null) {
            sourceMsg = String.format("[unknown source] [%d:%d]", function.getLine(), function.getColumn());
        } else {
            sourceMsg = String.format("%s [%d:%d]", function.getContext().getSource().pathOrShortIdentifier(), function.getLine(), function.getColumn());
        }
        stats.recordFunctionCall(function.getSignature().getName(), sourceMsg, elapsed);
    }
    if (isLogEnabled()) {
        log.trace(String.format("EXIT  %-25s %10d ms", function.getSignature().getName(), elapsed));
    }
}

Example 7 with Source

use of org.exist.source.Source in project exist by eXist-db.

the class Eval method doEval.

private Sequence doEval(final XQueryContext evalContext, final Sequence contextSequence, final Sequence[] args) throws XPathException {
    if (evalContext.getProfiler().isEnabled()) {
        evalContext.getProfiler().start(this);
        evalContext.getProfiler().message(this, Profiler.DEPENDENCIES, "DEPENDENCIES", Dependency.getDependenciesName(this.getDependencies()));
        if (contextSequence != null) {
            evalContext.getProfiler().message(this, Profiler.START_SEQUENCES, "CONTEXT SEQUENCE", contextSequence);
        }
    }
    int argCount = 0;
    Sequence exprContext = null;
    if (isCalledAs(FS_EVAL_INLINE_NAME)) {
        // the current expression context
        exprContext = args[argCount++];
    }
    // get the query expression
    final Item expr = args[argCount++].itemAt(0);
    final Source querySource;
    if (Type.subTypeOf(expr.getType(), Type.ANY_URI)) {
        querySource = loadQueryFromURI(expr);
    } else {
        final String queryStr = expr.getStringValue();
        if (queryStr.trim().isEmpty()) {
            return new EmptySequence();
        }
        querySource = new StringSource(queryStr);
    }
    final NodeValue contextInit;
    if (isCalledAs(FS_EVAL_WITH_CONTEXT_NAME)) {
        // set the context initialization param for later use
        contextInit = (NodeValue) args[argCount++].itemAt(0);
    } else {
        contextInit = null;
    }
    // should the compiled query be cached?
    final boolean cache;
    if (isCalledAs(FS_EVAL_AND_SERIALIZE_NAME)) {
        cache = true;
    } else if (argCount < getArgumentCount()) {
        cache = ((BooleanValue) args[argCount++].itemAt(0)).effectiveBooleanValue();
    } else {
        cache = false;
    }
    // save some context properties
    evalContext.pushNamespaceContext();
    final LocalVariable mark = evalContext.markLocalVariables(false);
    // save the static document set of the current context, so it can be restored later
    final DocumentSet oldDocs = evalContext.getStaticDocs();
    if (exprContext != null) {
        evalContext.setStaticallyKnownDocuments(exprContext.getDocumentSet());
    }
    if (evalContext.isProfilingEnabled(2)) {
        evalContext.getProfiler().start(this, "eval: " + expr);
    }
    // fixme! - hook for debugger here /ljo
    final XQuery xqueryService = evalContext.getBroker().getBrokerPool().getXQueryService();
    final XQueryContext innerContext;
    final Sequence initContextSequence;
    if (contextInit != null) {
        // eval-with-context: initialize a new context
        innerContext = new XQueryContext(context.getBroker().getBrokerPool());
        initContextSequence = initContext(contextInit.getNode(), innerContext);
    } else {
        // use the existing outer context
        // TODO: check if copying the static context would be sufficient???
        innerContext = evalContext.copyContext();
        innerContext.setShared(true);
        // innerContext = context;
        initContextSequence = null;
    }
    // set module load path
    if (Type.subTypeOf(expr.getType(), Type.ANY_URI)) {
        String uri = null;
        if (querySource instanceof DBSource) {
            final XmldbURI documentPath = ((DBSource) querySource).getDocumentPath();
            uri = XmldbURI.EMBEDDED_SERVER_URI.append(documentPath).removeLastSegment().toString();
        } else if (querySource instanceof FileSource) {
            uri = ((FileSource) querySource).getPath().getParent().toString();
        }
        if (uri != null) {
            innerContext.setModuleLoadPath(uri);
        }
    }
    // bind external vars?
    if (isCalledAs(FS_EVAL_NAME) && getArgumentCount() >= 3) {
        final Sequence externalVars = args[argCount++];
        for (int i = 0; i < externalVars.getItemCount(); i++) {
            final Item varName = externalVars.itemAt(i);
            if (varName.getType() == Type.QNAME) {
                final Item varValue = externalVars.itemAt(++i);
                innerContext.declareVariable(((QNameValue) varName).getQName(), varValue);
            }
        }
    }
    // determine if original line/column number are passed on
    final boolean pass;
    if (isCalledAs(FS_EVAL_NAME) && getArgumentCount() == 4) {
        pass = args[3].itemAt(0).toJavaObject(Boolean.class);
    } else if (isCalledAs(FS_EVAL_WITH_CONTEXT_NAME) && getArgumentCount() == 5) {
        pass = args[4].itemAt(0).toJavaObject(Boolean.class);
    } else if (isCalledAs(FS_EVAL_INLINE_NAME) && getArgumentCount() == 4) {
        pass = args[3].itemAt(0).toJavaObject(Boolean.class);
    } else if (isCalledAs(FS_EVAL_AND_SERIALIZE_NAME) && getArgumentCount() == 5) {
        pass = args[4].itemAt(0).toJavaObject(Boolean.class);
    } else {
        // default
        pass = false;
    }
    // fixme! - hook for debugger here /ljo
    try {
        if (isCalledAs(FS_EVAL_WITH_CONTEXT_NAME) && getArgumentCount() >= 4) {
            final Item contextItem = args[argCount++].itemAt(0);
            if (contextItem != null) {
                // TODO : sort this out
                if (exprContext != null) {
                    LOG.warn("exprContext and contextItem are not null");
                }
                exprContext = contextItem.toSequence();
            }
        }
        if (initContextSequence != null) {
            exprContext = initContextSequence;
        }
        Sequence result = null;
        try {
            if (!isCalledAs(FS_EVAL_AND_SERIALIZE_NAME)) {
                result = execute(evalContext.getBroker(), xqueryService, querySource, innerContext, exprContext, cache, null);
                return result;
            } else {
                // get the default serialization options
                final Properties defaultOutputOptions;
                if (getArgumentCount() >= 2 && !args[1].isEmpty()) {
                    defaultOutputOptions = FunSerialize.getSerializationProperties(this, args[1].itemAt(0));
                } else {
                    defaultOutputOptions = new Properties();
                }
                // execute the query, XQuery prolog serialization options are collected into `xqueryOutputProperties`
                final Properties xqueryOutputProperties = new Properties();
                result = execute(evalContext.getBroker(), xqueryService, querySource, innerContext, exprContext, cache, xqueryOutputProperties);
                // do we need to subsequence the results?
                if (getArgumentCount() > 2) {
                    result = FunSubSequence.subsequence(result, ((DoubleValue) getArgument(2).eval(contextSequence, null).convertTo(Type.DOUBLE)), getArgumentCount() == 3 ? null : ((DoubleValue) getArgument(3).eval(contextSequence, null).convertTo(Type.DOUBLE)));
                }
                // override the default options with the ones from the xquery prolog
                final Properties serializationProperties = new Properties();
                serializationProperties.putAll(defaultOutputOptions);
                serializationProperties.putAll(xqueryOutputProperties);
                // serialize the results
                try (final StringWriter writer = new StringWriter()) {
                    final XQuerySerializer xqSerializer = new XQuerySerializer(context.getBroker(), serializationProperties, writer);
                    final Sequence seq;
                    if (xqSerializer.normalize()) {
                        seq = FunSerialize.normalize(this, context, result);
                    } else {
                        seq = result;
                    }
                    xqSerializer.serialize(seq);
                    return new StringValue(writer.toString());
                } catch (final IOException | SAXException e) {
                    throw new XPathException(this, FnModule.SENR0001, e.getMessage());
                }
            }
        } finally {
            cleanup(evalContext, innerContext, oldDocs, mark, expr, result);
        }
    } catch (final XPathException e) {
        try {
            e.prependMessage("Error while evaluating expression: " + querySource.getContent() + ". ");
        } catch (final IOException e1) {
        }
        if (!pass) {
            e.setLocation(line, column);
        }
        throw e;
    }
}

Example 8 with Source

use of org.exist.source.Source in project exist by eXist-db.

the class ModuleInfo method outputModule.

private void outputModule(final MemTreeBuilder builder, final Module module) {
    builder.startElement(MODULE_QNAME, null);
    builder.addAttribute(MODULE_URI_ATTR, module.getNamespaceURI());
    builder.addAttribute(MODULE_PREFIX_ATTR, module.getDefaultPrefix());
    if (!module.isInternalModule()) {
        final Source source = ((ExternalModule) module).getSource();
        if (source != null) {
            builder.addAttribute(MODULE_SOURCE_ATTR, source.pathOrContentOrShortIdentifier());
        }
    }
    builder.startElement(MODULE_DESC_QNAME, null);
    builder.characters(module.getDescription());
    // <description>
    builder.endElement();
    // <module>
    builder.endElement();
}

Example 9 with Source

use of org.exist.source.Source in project exist by eXist-db.

the class ResourceFunctionExecutorImpl method getEffectiveSubject.

/**
 * If the compiled xquery is setUid and/or setGid
 * we return the EffectiveSubject that should be used
 * for execution
 *
 * @param xquery The XQuery to determine the effective subject for
 * @return Maybe an effective subject or empty if there is no setUid or setGid bits
 */
private Optional<EffectiveSubject> getEffectiveSubject(final CompiledXQuery xquery) {
    final Optional<EffectiveSubject> effectiveSubject;
    final Source src = xquery.getContext().getSource();
    if (src instanceof DBSource) {
        final DBSource dbSrc = (DBSource) src;
        final Permission perm = dbSrc.getPermissions();
        if (perm.isSetUid()) {
            if (perm.isSetGid()) {
                // setUid and SetGid
                effectiveSubject = Optional.of(new EffectiveSubject(perm.getOwner(), perm.getGroup()));
            } else {
                // just setUid
                effectiveSubject = Optional.of(new EffectiveSubject(perm.getOwner()));
            }
        } else if (perm.isSetGid()) {
            // just setGid, so we use the current user as the effective user
            effectiveSubject = Optional.of(new EffectiveSubject(xquery.getContext().getBroker().getCurrentSubject(), perm.getGroup()));
        } else {
            effectiveSubject = Optional.empty();
        }
    } else {
        effectiveSubject = Optional.empty();
    }
    return effectiveSubject;
}

Example 10 with Source

use of org.exist.source.Source in project exist by eXist-db.

the class XQueryInspector method getDependencies.

private static void getDependencies(final XQueryContext xqyCtx, final Map<String, Set<String>> dependencies) {
    final String xqueryUri = getDbUri(xqyCtx.getSource());
    Set<String> depSet = dependencies.get(xqueryUri);
    if (depSet == null) {
        final Iterator<Module> itModule = xqyCtx.getModules();
        while (itModule.hasNext()) {
            final Module module = itModule.next();
            if (module instanceof ExternalModule) {
                final ExternalModule extModule = (ExternalModule) module;
                final Source source = extModule.getSource();
                if (source instanceof DBSource) {
                    final String moduleUri = getDbUri(source);
                    if (depSet == null) {
                        depSet = new HashSet<>();
                    }
                    depSet.add(moduleUri);
                    /*
                         * must merge map here as recursive function
                         * can cause problems with recursive
                         * module imports m1 -> m2 -> m2 -> m1
                         */
                    dependencies.put(xqueryUri, depSet);
                }
                getDependencies(extModule.getContext(), dependencies);
            }
        }
    }
}