registry/source/reflwrit.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20
  21 #include <sal/types.h>
  22 #include <rtl/ustring.h>
  23
  24 #include <registry/refltype.hxx>
  25
  26 #include "reflcnst.hxx"
  27
  28
  29 sal_uInt32 UINT16StringLen(const sal_uInt8* wstring)
  30 {
  31     if (!wstring) return 0;
  32
  33     const sal_uInt8* b = wstring;
  34
  35     while (b[0] || b[1]) b += sizeof(sal_uInt16);
  36
  37     return ((b - wstring) / sizeof(sal_uInt16));
  38 }
  39
  40 sal_uInt32 writeString(sal_uInt8* buffer, const sal_Unicode* v)
  41 {
  42     sal_uInt32 len = rtl_ustr_getLength(v) + 1;
  43     sal_uInt32 i;
  44     sal_uInt8* buff = buffer;
  45
  46     for (i = 0; i < len; i++)
  47     {
  48         buff += writeUINT16(buff, static_cast<sal_uInt16>(v[i]));
  49     }
  50
  51     return (buff - buffer);
  52 }
  53
  54 sal_uInt32 readString(const sal_uInt8* buffer, sal_Unicode* v, sal_uInt32 maxSize)
  55 {
  56     sal_uInt32 len = UINT16StringLen(buffer) + 1;
  57     sal_uInt32 i;
  58     sal_uInt8* buff = const_cast<sal_uInt8*>(buffer);
  59
  60     if(len > maxSize / 2)
  61     {
  62         len = maxSize / 2;
  63     }
  64
  65     assert(len > 0 && "maxSize has to be >= 2");
  66
  67     for (i = 0; i < len; i++)
  68     {
  69         sal_uInt16 aChar;
  70
  71         buff += readUINT16(buff, aChar);
  72
  73         v[i] = static_cast<sal_Unicode>(aChar);
  74     }
  75
  76     v[len - 1] = L'\0';
  77
  78     return (buff - buffer);
  79 }
  80
  81 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */