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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
commited5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch)
tree7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /scripting/source/provider/ProviderCache.cxx
parentInitial commit. (diff)
downloadlibreoffice-upstream.tar.xz
libreoffice-upstream.zip
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--scripting/source/provider/ProviderCache.cxx203
1 files changed, 203 insertions, 0 deletions
diff --git a/scripting/source/provider/ProviderCache.cxx b/scripting/source/provider/ProviderCache.cxx
new file mode 100644
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+++ b/scripting/source/provider/ProviderCache.cxx
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <comphelper/sequence.hxx>
+#include <tools/diagnose_ex.h>
+#include <sal/log.hxx>
+
+#include <com/sun/star/container/XContentEnumerationAccess.hpp>
+#include <com/sun/star/lang/WrappedTargetRuntimeException.hpp>
+#include <com/sun/star/lang/XServiceInfo.hpp>
+#include "ProviderCache.hxx"
+
+using namespace com::sun::star;
+using namespace com::sun::star::uno;
+using namespace com::sun::star::script;
+
+namespace func_provider
+{
+
+ProviderCache::ProviderCache( const Reference< XComponentContext >& xContext, const Sequence< Any >& scriptContext ) : m_Sctx( scriptContext ), m_xContext( xContext )
+{
+ // initialise m_hProviderDetailsCache with details of ScriptProviders
+ // will use createContentEnumeration
+
+ m_xMgr = m_xContext->getServiceManager();
+ ENSURE_OR_THROW( m_xMgr.is(), "ProviderCache::ProviderCache() failed to obtain ServiceManager" );
+ populateCache();
+}
+
+
+ProviderCache::ProviderCache( const Reference< XComponentContext >& xContext, const Sequence< Any >& scriptContext, const Sequence< OUString >& denyList ) : m_sDenyList( denyList ), m_Sctx( scriptContext ), m_xContext( xContext )
+
+{
+ // initialise m_hProviderDetailsCache with details of ScriptProviders
+ // will use createContentEnumeration
+
+ m_xMgr = m_xContext->getServiceManager();
+ ENSURE_OR_THROW( m_xMgr.is(), "ProviderCache::ProviderCache() failed to obtain ServiceManager" );
+ populateCache();
+}
+
+ProviderCache::~ProviderCache()
+{
+}
+
+Reference< provider::XScriptProvider >
+ProviderCache::getProvider( const OUString& providerName )
+{
+ std::scoped_lock aGuard( m_mutex );
+ Reference< provider::XScriptProvider > provider;
+ ProviderDetails_hash::iterator h_it = m_hProviderDetailsCache.find( providerName );
+ if ( h_it != m_hProviderDetailsCache.end() )
+ {
+ if ( h_it->second.provider.is() )
+ {
+ provider = h_it->second.provider;
+ }
+ else
+ {
+ // need to create provider and insert into hash
+ provider = createProvider( h_it->second );
+ }
+ }
+ return provider;
+}
+
+Sequence < Reference< provider::XScriptProvider > >
+ProviderCache::getAllProviders()
+{
+ // need to create providers that haven't been created already
+ // so check what providers exist and what ones don't
+
+ std::scoped_lock aGuard( m_mutex );
+ Sequence < Reference< provider::XScriptProvider > > providers ( m_hProviderDetailsCache.size() );
+ // should assert if size !> 0
+ if ( !m_hProviderDetailsCache.empty() )
+ {
+ auto pproviders = providers.getArray();
+ sal_Int32 providerIndex = 0;
+ for (auto& rDetail : m_hProviderDetailsCache)
+ {
+ Reference<provider::XScriptProvider> xScriptProvider = rDetail.second.provider;
+ if ( xScriptProvider.is() )
+ {
+ pproviders[ providerIndex++ ] = xScriptProvider;
+ }
+ else
+ {
+ // create provider
+ try
+ {
+ xScriptProvider = createProvider(rDetail.second);
+ pproviders[ providerIndex++ ] = xScriptProvider;
+ }
+ catch ( const Exception& )
+ {
+ DBG_UNHANDLED_EXCEPTION("scripting");
+ }
+ }
+ }
+
+ if (providerIndex < providers.getLength())
+ {
+ providers.realloc( providerIndex );
+ }
+
+ }
+ else
+ {
+ SAL_WARN("scripting", "no available providers, something very wrong!!!");
+ }
+ return providers;
+}
+
+void
+ProviderCache::populateCache()
+{
+ // wrong name in services.rdb
+ OUString serviceName;
+ std::scoped_lock aGuard( m_mutex );
+ try
+ {
+ Reference< container::XContentEnumerationAccess > xEnumAccess( m_xMgr, UNO_QUERY_THROW );
+ Reference< container::XEnumeration > xEnum = xEnumAccess->createContentEnumeration ( "com.sun.star.script.provider.LanguageScriptProvider" );
+
+ while ( xEnum->hasMoreElements() )
+ {
+
+ Reference< lang::XSingleComponentFactory > factory( xEnum->nextElement(), UNO_QUERY_THROW );
+ Reference< lang::XServiceInfo > xServiceInfo( factory, UNO_QUERY_THROW );
+
+ const Sequence< OUString > serviceNames = xServiceInfo->getSupportedServiceNames();
+
+ if ( serviceNames.hasElements() )
+ {
+ auto pName = std::find_if(serviceNames.begin(), serviceNames.end(),
+ [this](const OUString& rName) {
+ return rName.startsWith("com.sun.star.script.provider.ScriptProviderFor")
+ && !isInDenyList(rName);
+ });
+ if (pName != serviceNames.end())
+ {
+ serviceName = *pName;
+ ProviderDetails details;
+ details.factory = factory;
+ m_hProviderDetailsCache[ serviceName ] = details;
+ }
+ }
+ }
+ }
+ catch ( const Exception &e )
+ {
+ css::uno::Any anyEx = cppu::getCaughtException();
+ throw css::lang::WrappedTargetRuntimeException(
+ "ProviderCache::populateCache: couldn't obtain XSingleComponentFactory for " + serviceName
+ + " " + e.Message,
+ nullptr, anyEx );
+ }
+}
+
+Reference< provider::XScriptProvider >
+ProviderCache::createProvider( ProviderDetails& details )
+{
+ try
+ {
+ details.provider.set(
+ details.factory->createInstanceWithArgumentsAndContext( m_Sctx, m_xContext ), UNO_QUERY_THROW );
+ }
+ catch ( const Exception& e )
+ {
+ css::uno::Any anyEx = cppu::getCaughtException();
+ throw css::lang::WrappedTargetRuntimeException(
+ "ProviderCache::createProvider() Error creating provider from factory. " + e.Message,
+ nullptr, anyEx );
+ }
+
+ return details.provider;
+}
+
+bool
+ProviderCache::isInDenyList( const OUString& serviceName ) const
+{
+ return comphelper::findValue(m_sDenyList, serviceName) != -1;
+}
+} //end namespace
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */