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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 .
*/
#ifndef INCLUDED_DP_BACKENDDB_HXX
#define INCLUDED_DP_BACKENDDB_HXX
#include "rtl/ustring.hxx"
#include <list>
#include <vector>
namespace com { namespace sun { namespace star {
namespace uno {
class XComponentContext;
}
namespace xml { namespace dom {
class XDocument;
class XNode;
}}
namespace xml { namespace xpath {
class XXPathAPI;
}}
}}}
namespace dp_registry {
namespace backend {
class BackendDb
{
private:
css::uno::Reference<css::xml::dom::XDocument> m_doc;
css::uno::Reference<css::xml::xpath::XXPathAPI> m_xpathApi;
BackendDb(BackendDb const &);
BackendDb & operator = (BackendDb const &);
protected:
const css::uno::Reference<css::uno::XComponentContext> m_xContext;
::rtl::OUString m_urlDb;
protected:
/* caller must make sure that only one thread accesses the function
*/
css::uno::Reference<css::xml::dom::XDocument> getDocument();
/* the namespace prefix is "reg" (without quotes)
*/
css::uno::Reference<css::xml::xpath::XXPathAPI> getXPathAPI();
void save();
void removeElement(::rtl::OUString const & sXPathExpression);
css::uno::Reference<css::xml::dom::XNode> getKeyElement(
::rtl::OUString const & url);
void writeSimpleList(
::std::list< ::rtl::OUString> const & list,
::rtl::OUString const & sListTagName,
::rtl::OUString const & sMemberTagName,
css::uno::Reference<css::xml::dom::XNode> const & xParent);
void writeVectorOfPair(
::std::vector< ::std::pair< ::rtl::OUString, ::rtl::OUString > > const & vecPairs,
::rtl::OUString const & sVectorTagName,
::rtl::OUString const & sPairTagName,
::rtl::OUString const & sFirstTagName,
::rtl::OUString const & sSecondTagName,
css::uno::Reference<css::xml::dom::XNode> const & xParent);
void writeSimpleElement(
::rtl::OUString const & sElementName, ::rtl::OUString const & value,
css::uno::Reference<css::xml::dom::XNode> const & xParent);
css::uno::Reference<css::xml::dom::XNode> writeKeyElement(
::rtl::OUString const & url);
::rtl::OUString readSimpleElement(
::rtl::OUString const & sElementName,
css::uno::Reference<css::xml::dom::XNode> const & xParent);
::std::vector< ::std::pair< ::rtl::OUString, ::rtl::OUString > >
readVectorOfPair(
css::uno::Reference<css::xml::dom::XNode> const & parent,
::rtl::OUString const & sListTagName,
::rtl::OUString const & sPairTagName,
::rtl::OUString const & sFirstTagName,
::rtl::OUString const & sSecondTagName);
::std::list< ::rtl::OUString> readList(
css::uno::Reference<css::xml::dom::XNode> const & parent,
::rtl::OUString const & sListTagName,
::rtl::OUString const & sMemberTagName);
/* returns the values of one particulary child element of all key elements.
*/
::std::list< ::rtl::OUString> getOneChildFromAllEntries(
::rtl::OUString const & sElementName);
/* returns the namespace which is to be written as xmlns attribute
into the root element.
*/
virtual ::rtl::OUString getDbNSName()=0;
/* return the namespace prefix which is to be registered with the XPath API.
The prefix can then be used in XPath expressions.
*/
virtual ::rtl::OUString getNSPrefix()=0;
/* returns the name of the root element without any namespace prefix.
*/
virtual ::rtl::OUString getRootElementName()=0;
/* returns the name of xml element for each entry
*/
virtual ::rtl::OUString getKeyElementName()=0;
public:
BackendDb(css::uno::Reference<css::uno::XComponentContext> const & xContext,
::rtl::OUString const & url);
virtual ~BackendDb() {};
void removeEntry(::rtl::OUString const & url);
/* This is called to write the "revoked" attribute to the entry.
This is done when XPackage::revokePackage is called.
*/
void revokeEntry(::rtl::OUString const & url);
/* returns false if the entry does not exist yet.
*/
bool activateEntry(::rtl::OUString const & url);
bool hasActiveEntry(::rtl::OUString const & url);
};
class RegisteredDb: public BackendDb
{
public:
RegisteredDb( css::uno::Reference<css::uno::XComponentContext> const & xContext,
::rtl::OUString const & url);
virtual ~RegisteredDb() {};
virtual void addEntry(::rtl::OUString const & url);
virtual bool getEntry(::rtl::OUString const & url);
};
}
}
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
