regimpl.hxx

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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 * 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 .
 */
 
#pragma once
 
#include <sal/config.h>
 
#include <string_view>
#include <unordered_map>
 
#include <regapi.hxx>
#include <registry/regtype.h>
#include <rtl/ustring.hxx>
#include <osl/mutex.hxx>
#include <store/store.hxx>
 
// 5 bytes = 1 (byte for the type) + 4 (bytes for the size of the data)
#define VALUE_HEADERSIZE    5
#define VALUE_TYPEOFFSET    1
#define VALUE_HEADEROFFSET  5
 
#define REG_GUARD(mutex) \
    osl::Guard< osl::Mutex > aGuard( mutex );
 
class ORegKey;
 
class ORegistry
{
public:
    ORegistry();
 
    sal_uInt32  acquire()
        { return ++m_refCount; }
 
    sal_uInt32  release()
        { return --m_refCount; }
 
    RegError    initRegistry(const OUString& name,
                             RegAccessMode accessMode,
                             bool bCreate = false);
 
    RegError    closeRegistry();
 
    RegError    destroyRegistry(const OUString& name);
 
    RegError    acquireKey(RegKeyHandle hKey);
    RegError    releaseKey(RegKeyHandle hKey);
 
    RegError    createKey(RegKeyHandle hKey,
                          std::u16string_view keyName,
                          RegKeyHandle* phNewKey);
 
    RegError    openKey(RegKeyHandle hKey,
                        std::u16string_view keyName,
                        RegKeyHandle* phOpenKey);
 
    RegError    closeKey(RegKeyHandle hKey);
 
    RegError    deleteKey(RegKeyHandle hKey, std::u16string_view keyName);
 
    RegError    dumpRegistry(RegKeyHandle hKey) const;
 
    ~ORegistry();
 
    bool            isReadOnly() const
        { return m_readOnly; }
 
    bool            isOpen() const
        { return m_isOpen; }
 
    ORegKey*    getRootKey();
 
    const store::OStoreFile& getStoreFile() const
        { return m_file; }
 
    const OUString&    getName() const
        { return m_name; }
 
    friend class ORegKey;
 
private:
    RegError    eraseKey(ORegKey* pKey, std::u16string_view keyName);
 
    RegError    deleteSubkeysAndValues(ORegKey* pKey);
 
    RegError    dumpValue(const OUString& sPath,
                          const OUString& sName,
                          sal_Int16 nSpace) const;
 
    RegError    dumpKey(const OUString& sPath,
                        const OUString& sName,
                        sal_Int16 nSpace) const;
 
    typedef std::unordered_map< OUString, ORegKey* > KeyMap;
 
    sal_uInt32          m_refCount;
    osl::Mutex          m_mutex;
    bool                m_readOnly;
    bool                m_isOpen;
    OUString            m_name;
    store::OStoreFile   m_file;
    KeyMap              m_openKeyTable;
 
    static constexpr OUStringLiteral ROOT { u"/" };
};
 
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */