Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 105 insertions, 0 deletions

diff --git a/connectivity/source/commontools/ParameterSubstitution.cxx b/connectivity/source/commontools/ParameterSubstitution.cxx
new file mode 100644
index 000000000..ca96cf331
--- /dev/null
+++ b/connectivity/source/commontools/ParameterSubstitution.cxx
@@ -0,0 +1,105 @@
+/* -*- 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 <ParameterSubstitution.hxx>
+#include <connectivity/sqlparse.hxx>
+#include <comphelper/sequenceashashmap.hxx>
+#include <cppuhelper/supportsservice.hxx>
+
+namespace connectivity
+{
+    using namespace ::com::sun::star::uno;
+    using namespace ::com::sun::star::sdbc;
+    using namespace ::com::sun::star::lang;
+    using namespace ::com::sun::star;
+
+    ParameterSubstitution::ParameterSubstitution(const css::uno::Reference< css::uno::XComponentContext >& _rxContext ) : m_xContext(_rxContext)
+    {
+    }
+    void SAL_CALL ParameterSubstitution::initialize( const uno::Sequence< uno::Any >& _aArguments )
+    {
+        ::osl::MutexGuard aGuard(m_aMutex);
+        comphelper::SequenceAsHashMap aArgs(_aArguments);
+        uno::Reference< sdbc::XConnection > xConnection;
+        xConnection = aArgs.getUnpackedValueOrDefault("ActiveConnection",xConnection);
+        m_xConnection = xConnection;
+    }
+
+    OUString SAL_CALL ParameterSubstitution::getImplementationName(  )
+    {
+        return "org.openoffice.comp.helper.ParameterSubstitution";
+    }
+
+    sal_Bool SAL_CALL ParameterSubstitution::supportsService( const OUString& _rServiceName )
+    {
+        return cppu::supportsService(this, _rServiceName);
+    }
+
+    Sequence< OUString > SAL_CALL ParameterSubstitution::getSupportedServiceNames(  )
+    {
+        return { "com.sun.star.sdb.ParameterSubstitution" };
+    }
+
+
+    OUString SAL_CALL ParameterSubstitution::substituteVariables( const OUString& _sText, sal_Bool /*bSubstRequired*/ )
+    {
+        OUString sRet = _sText;
+        uno::Reference< sdbc::XConnection > xConnection = m_xConnection;
+        if ( xConnection.is() )
+        {
+            try
+            {
+                OSQLParser aParser( m_xContext );
+                OUString sErrorMessage;
+                std::unique_ptr<OSQLParseNode> pNode = aParser.parseTree(sErrorMessage,_sText);
+                if(pNode)
+                {   // special handling for parameters
+                    OSQLParseNode::substituteParameterNames(pNode.get());
+                    OUString sNewSql;
+                    pNode->parseNodeToStr( sNewSql, xConnection );
+                    sRet = sNewSql;
+                }
+            }
+            catch(const Exception&)
+            {
+            }
+        }
+        return sRet;
+    }
+
+    OUString SAL_CALL ParameterSubstitution::reSubstituteVariables( const OUString& _sText )
+    {
+        return _sText;
+    }
+
+    OUString SAL_CALL ParameterSubstitution::getSubstituteVariableValue( const OUString& /*variable*/ )
+    {
+        throw container::NoSuchElementException();
+    }
+
+
+} // connectivity
+
+extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
+connectivity_dbtools_ParameterSubstitution_get_implementation(
+    css::uno::XComponentContext* context, css::uno::Sequence<css::uno::Any> const&)
+{
+    return cppu::acquire(new connectivity::ParameterSubstitution(context));
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */