sw/source/filter/ww8/WW8Sttbf.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 #include <iostream>
  21 #include <dbgoutsw.hxx>
  22 #include "WW8Sttbf.hxx"
  23 #include "ww8scan.hxx"
  24 #include <cstdio>
  25 #include <osl/endian.h>
  26 #include <rtl/ustrbuf.hxx>
  27
  28 #if OSL_DEBUG_LEVEL > 1
  29 #include <stdio.h>
  30 #endif
  31
  32 namespace ww8
  33 {
  34     WW8Struct::WW8Struct(SvStream& rSt, sal_uInt32 nPos, sal_uInt32 nSize)
  35         : mn_offset(0), mn_size(0)
  36     {
  37         if (checkSeek(rSt, nPos))
  38         {
  39             mp_data.reset(new sal_uInt8[nSize]);
  40             mn_size = rSt.Read(mp_data.get(), nSize);
  41         }
  42         OSL_ENSURE(mn_size == nSize, "short read in WW8Struct::WW8Struct");
  43     }
  44
  45     WW8Struct::WW8Struct(WW8Struct * pStruct, sal_uInt32 nPos, sal_uInt32 nSize)
  46         : mp_data(pStruct->mp_data), mn_offset(pStruct->mn_offset + nPos)
  47         , mn_size(nSize)
  48     {
  49     }
  50
  51     WW8Struct::~WW8Struct()
  52     {
  53     }
  54
  55     sal_uInt8 WW8Struct::getU8(sal_uInt32 nOffset)
  56     {
  57         sal_uInt8 nResult = 0;
  58
  59         if (nOffset < mn_size)
  60         {
  61             nResult = mp_data[mn_offset + nOffset];
  62         }
  63
  64         return nResult;
  65     }
  66
  67     OUString WW8Struct::getUString(sal_uInt32 nOffset,
  68                                           sal_uInt32 nCount)
  69     {
  70         OUString aResult;
  71
  72         if (nCount > 0)
  73         {
  74             //clip to available
  75             sal_uInt32 nStartOff = mn_offset + nOffset;
  76             if (nStartOff >= mn_size)
  77                 return aResult;
  78             sal_uInt32 nAvailable = (mn_size - nStartOff)/sizeof(sal_Unicode);
  79             if (nCount > nAvailable)
  80                 nCount = nAvailable;
  81 #if defined OSL_LITENDIAN
  82             aResult = OUString(reinterpret_cast<const sal_Unicode *>(
  83                 mp_data.get() + nStartOff), nCount);
  84 #else
  85             OUStringBuffer aBuf;
  86             for (sal_uInt32 i = 0; i < nCount; ++i)
  87                 aBuf.append(static_cast<sal_Unicode>(getU16(nStartOff+i*2)));
  88             aResult = aBuf.makeStringAndClear();
  89 #endif
  90         }
  91
  92         SAL_INFO( "sw.ww8.level2", "<WW8Struct-getUString" << " offset=\"" << nOffset
  93             << "\" count=\"" << nCount << "\"" << ">" << aResult << "</WW8Struct-getUString>" );
  94
  95         return aResult;
  96
  97     }
  98 }
  99 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */