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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 <utility>
+#include <vector>
+
+#include <osl/diagnose.h>
+
+#include <com/sun/star/registry/XRegistryKey.hpp>
+
+#include "mergekeys.hxx"
+
+using namespace ::osl;
+using namespace css::uno;
+using namespace ::com::sun::star;
+
+namespace stoc_impreg
+{
+
+namespace {
+
+struct Link
+{
+ OUString m_name;
+ OUString m_target;
+
+ Link( OUString name, OUString target )
+ : m_name(std::move( name ))
+ , m_target(std::move( target ))
+ {}
+};
+
+}
+
+typedef ::std::vector< Link > t_links;
+
+
+static void mergeKeys(
+ Reference< registry::XRegistryKey > const & xDest,
+ Reference< registry::XRegistryKey > const & xSource,
+ t_links & links )
+ // throw( registry::InvalidRegistryException, registry::MergeConflictException, RuntimeException )
+{
+ if (!xSource.is() || !xSource->isValid()) {
+ throw registry::InvalidRegistryException(
+ "source key is null or invalid!" );
+ }
+ if (!xDest.is() || !xDest->isValid()) {
+ throw registry::InvalidRegistryException(
+ "destination key is null or invalid!" );
+ }
+
+ // write value
+ switch (xSource->getValueType())
+ {
+ case registry::RegistryValueType_NOT_DEFINED:
+ break;
+ case registry::RegistryValueType_LONG:
+ xDest->setLongValue( xSource->getLongValue() );
+ break;
+ case registry::RegistryValueType_ASCII:
+ xDest->setAsciiValue( xSource->getAsciiValue() );
+ break;
+ case registry::RegistryValueType_STRING:
+ xDest->setStringValue( xSource->getStringValue() );
+ break;
+ case registry::RegistryValueType_BINARY:
+ xDest->setBinaryValue( xSource->getBinaryValue() );
+ break;
+ case registry::RegistryValueType_LONGLIST:
+ xDest->setLongListValue( xSource->getLongListValue() );
+ break;
+ case registry::RegistryValueType_ASCIILIST:
+ xDest->setAsciiListValue( xSource->getAsciiListValue() );
+ break;
+ case registry::RegistryValueType_STRINGLIST:
+ xDest->setStringListValue( xSource->getStringListValue() );
+ break;
+ default:
+ OSL_ASSERT(false);
+ break;
+ }
+
+ // sub keys
+ Sequence< OUString > sourceKeys( xSource->getKeyNames() );
+ OUString const * pSourceKeys = sourceKeys.getConstArray();
+ for ( sal_Int32 nPos = sourceKeys.getLength(); nPos--; )
+ {
+ // key name
+ OUString name( pSourceKeys[ nPos ] );
+ sal_Int32 nSlash = name.lastIndexOf( '/' );
+ if (nSlash >= 0)
+ {
+ name = name.copy( nSlash +1 );
+ }
+
+ if (xSource->getKeyType( name ) == registry::RegistryKeyType_KEY)
+ {
+ // try to open existing dest key or create new one
+ Reference< registry::XRegistryKey > xDestKey( xDest->createKey( name ) );
+ Reference< registry::XRegistryKey > xSourceKey( xSource->openKey( name ) );
+ mergeKeys( xDestKey, xSourceKey, links );
+ xSourceKey->closeKey();
+ xDestKey->closeKey();
+ }
+ else // link
+ {
+ // remove existing key
+ Reference< registry::XRegistryKey > xDestKey( xDest->openKey( name ) );
+ if (xDestKey.is() && xDestKey->isValid()) // something to remove
+ {
+ xDestKey->closeKey();
+ if (xDest->getKeyType( name ) == registry::RegistryKeyType_LINK)
+ {
+ xDest->deleteLink( name );
+ }
+ else
+ {
+ xDest->deleteKey( name );
+ }
+ }
+
+ links.push_back( Link(
+ pSourceKeys[ nPos ], // abs path
+ xSource->getResolvedName( name ) // abs resolved name
+ ) );
+ }
+ }
+}
+
+
+void mergeKeys(
+ Reference< registry::XRegistryKey > const & xDest,
+ Reference< registry::XRegistryKey > const & xSource )
+ // throw( registry::InvalidRegistryException, registry::MergeConflictException, RuntimeException )
+{
+ if (!xDest.is() || !xDest->isValid()) {
+ throw registry::InvalidRegistryException(
+ "destination key is null or invalid!" );
+ }
+ if (xDest->isReadOnly())
+ {
+ throw registry::InvalidRegistryException(
+ "destination registry is read-only! cannot merge!" );
+ }
+
+ t_links links;
+ links.reserve( 16 );
+ mergeKeys( xDest, xSource, links );
+
+ for ( size_t nPos = links.size(); nPos--; )
+ {
+ Link const & r = links[ nPos ];
+ OSL_VERIFY( xDest->createLink( r.m_name, r.m_target ) );
+ }
+}
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */