reflwrit.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 <sal/types.h>
#include <rtl/ustring.h>
 
#include <registry/refltype.hxx>
 
#include "reflcnst.hxx"
 
 
sal_uInt32 UINT16StringLen(const sal_uInt8* wstring)
{
    if (!wstring) return 0;
 
    const sal_uInt8* b = wstring;
 
    while (b[0] || b[1]) b += sizeof(sal_uInt16);
 
    return ((b - wstring) / sizeof(sal_uInt16));
}
 
sal_uInt32 writeString(sal_uInt8* buffer, const sal_Unicode* v)
{
    sal_uInt32 len = rtl_ustr_getLength(v) + 1;
    sal_uInt32 i;
    sal_uInt8* buff = buffer;
 
    for (i = 0; i < len; i++)
    {
        buff += writeUINT16(buff, static_cast<sal_uInt16>(v[i]));
    }
 
    return (buff - buffer);
}
 
sal_uInt32 readString(const sal_uInt8* buffer, sal_Unicode* v, sal_uInt32 maxSize)
{
    sal_uInt32 len = UINT16StringLen(buffer) + 1;
    sal_uInt32 i;
    sal_uInt8* buff = const_cast<sal_uInt8*>(buffer);
 
    if(len > maxSize / 2)
    {
        len = maxSize / 2;
    }
 
    for (i = 0; i < (len - 1); i++)
    {
        sal_uInt16 aChar;
 
        buff += readUINT16(buff, aChar);
 
        v[i] = static_cast<sal_Unicode>(aChar);
    }
 
    v[len - 1] = L'\0';
 
    return (buff - buffer);
}
 
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