256 lines
8.7 KiB
C++
256 lines
8.7 KiB
C++
/*************************************************************************
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* $RCSfile: binarywriter.cxx,v $
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*
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* $Revision: 1.9 $
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*
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* last change: $Author: obo $ $Date: 2006-09-16 15:03:37 $
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*
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* The Contents of this file are made available subject to
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* the terms of GNU Lesser General Public License Version 2.1.
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*
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2005 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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************************************************************************/
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// MARKER(update_precomp.py): autogen include statement, do not remove
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#include "precompiled_configmgr.hxx"
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#include "binarywriter.hxx"
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#ifndef _CONFIGMGR_TREE_VALUENODE_HXX
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#include "valuenode.hxx"
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#endif
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#ifndef _CONFIGMGR_FILEHELPER_HXX_
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#include "filehelper.hxx"
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#endif
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#ifndef _COM_SUN_STAR_UNO_TYPE_HXX_
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#include <com/sun/star/uno/Type.hxx>
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#endif
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#ifndef _COM_SUN_STAR_UNO_ANY_HXX_
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#include <com/sun/star/uno/Any.hxx>
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#endif
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#ifndef _CONFIGMGR_OSLSTREAM_HXX_
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#include "oslstream.hxx"
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#endif
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#ifndef _COM_SUN_STAR_IO_IOEXCEPTION_HPP_
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#include <com/sun/star/io/IOException.hpp>
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#endif
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#ifndef _COM_SUN_STAR_IO_XOUTPUTSTREAM_HPP_
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#include <com/sun/star/io/XOutputStream.hpp>
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#endif
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#ifndef _COM_SUN_STAR_IO_XACTIVEDATASOURCE_HPP_
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#include <com/sun/star/io/XActiveDataSource.hpp>
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#endif
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#ifndef _COM_SUN_STAR_IO_XDATAOUTPUTSTREAM_HPP_
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#include <com/sun/star/io/XDataOutputStream.hpp>
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#endif
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#ifndef CONFIGMGR_TYPECONVERTER_HXX
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#include "typeconverter.hxx"
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#endif
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#ifndef CONFIGMGR_BINARYTYPE_HXX
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#include "binarytype.hxx"
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#endif
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#ifndef CONFIGMGR_SIMPLETYPEHELPER_HXX
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#include "simpletypehelper.hxx"
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#endif
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#define ASCII(x) rtl::OUString::createFromAscii(x)
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namespace configmgr
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{
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// -----------------------------------------------------------------------------
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namespace backend
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{
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using namespace ::rtl;
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using namespace ::std;
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using namespace ::com::sun::star;
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using namespace ::com::sun::star::uno;
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namespace uno = com::sun::star::uno;
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namespace io = com::sun::star::io;
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BinaryWriter::BinaryWriter(rtl::OUString const &_aFileURL, uno::Reference<lang::XMultiServiceFactory> const& _xServiceProvider)
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: m_aFileURL(_aFileURL)
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, m_xServiceProvider(_xServiceProvider)
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, m_xDataOutputStream()
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{}
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bool BinaryWriter::open() SAL_THROW( (io::IOException, uno::RuntimeException) )
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{
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if (m_aFileURL.getLength() == 0)
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return false;
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OSL_ENSURE(!m_xDataOutputStream.is(), "Binary Writer: already open");
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if ( m_xDataOutputStream.is())
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return false;
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if (FileHelper::fileExists(m_aFileURL))
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{
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if (osl::File::RC errorCode = osl::File::remove(m_aFileURL))
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{
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// creating the file will fail later
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OSL_TRACE("Binary Cache: Cannot remove existing file [%d]",int(errorCode));
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}
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}
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else
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{
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//create missing directories
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rtl::OUString parentDirectory = FileHelper::getParentDir(m_aFileURL) ;
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if (osl::File::RC errorCode = FileHelper::mkdirs(parentDirectory))
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{
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// creating the file will fail later
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OSL_TRACE("Binary Cache: Cannot create package cache directory [%d]",int(errorCode));
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}
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}
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uno::Reference<io::XOutputStream> xOutput = new BufferedFileOutputStream(m_aFileURL, true, 1024);
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uno::Reference< io::XActiveDataSource > xFormattingStream(
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m_xServiceProvider->createInstance(ASCII("com.sun.star.io.DataOutputStream")),
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uno::UNO_QUERY_THROW);
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xFormattingStream->setOutputStream(xOutput);
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m_xDataOutputStream.set(xFormattingStream, uno::UNO_QUERY_THROW);
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OSL_ASSERT(m_xDataOutputStream.is());
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return m_xDataOutputStream.is();
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}
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void BinaryWriter::close() SAL_THROW( (io::IOException, uno::RuntimeException) )
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{
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if (m_xDataOutputStream.is())
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m_xDataOutputStream->closeOutput();
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m_xDataOutputStream.clear();
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}
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BinaryWriter::~BinaryWriter()
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{
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try
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{
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close();
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}
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catch (uno::Exception& e)
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{
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(void)e;
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OSL_ENSURE(false, rtl::OUStringToOString(e.Message,RTL_TEXTENCODING_ASCII_US).getStr());
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}
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}
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// -----------------------------------------------------------------------------
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// -----------------------------------------------------------------------------
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void BinaryWriter::write(sal_Bool _aValue)
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SAL_THROW( (io::IOException, uno::RuntimeException) )
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{
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// write one byte
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m_xDataOutputStream->writeBoolean(_aValue);
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}
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void BinaryWriter::write(sal_Int8 _aValue)
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SAL_THROW( (io::IOException, uno::RuntimeException) )
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{
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// write one byte
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m_xDataOutputStream->writeByte(_aValue);
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}
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void BinaryWriter::write(sal_Int16 _aValue)
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SAL_THROW( (io::IOException, uno::RuntimeException) )
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{
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// write two bytes
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m_xDataOutputStream->writeShort(_aValue);
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}
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void BinaryWriter::write(sal_Int32 _aValue)
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SAL_THROW( (io::IOException, uno::RuntimeException) )
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{
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// write four byte
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m_xDataOutputStream->writeLong(_aValue);
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}
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void BinaryWriter::write(sal_Int64 _aValue)
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SAL_THROW( (io::IOException, uno::RuntimeException) )
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{
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// write eight byte
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m_xDataOutputStream->writeHyper(_aValue);
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}
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void BinaryWriter::write(double _aValue)
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SAL_THROW( (io::IOException, uno::RuntimeException) )
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{
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// write eight byte
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m_xDataOutputStream->writeDouble(_aValue);
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}
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// -----------------------------------------------------------------------------
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bool isAsciiEncoding(rtl::OUString const& _aStr)
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{
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const sal_Unicode *pStr = _aStr.getStr();
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sal_Int32 nLen = _aStr.getLength();
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while (nLen--)
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{
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if (*pStr++ > 127)
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return false;
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}
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return true;
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}
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// -----------------------------------------------------------------------------
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void BinaryWriter::write(rtl::OUString const& _aStr)
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SAL_THROW( (io::IOException, uno::RuntimeException) )
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{
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// @@@ OBinaryBaseReader_Impl::readUTF() @@@
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rtl::OString aUTF;
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// to fasten the conversion for ascii data, we mask the length
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bool bIsAscii = isAsciiEncoding(_aStr);
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if (bIsAscii)
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rtl_uString2String (
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&(aUTF.pData), _aStr.getStr(), _aStr.getLength(),
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RTL_TEXTENCODING_ASCII_US, OUSTRING_TO_OSTRING_CVTFLAGS);
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else
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rtl_uString2String (
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&(aUTF.pData), _aStr.getStr(), _aStr.getLength(),
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RTL_TEXTENCODING_UTF8, OUSTRING_TO_OSTRING_CVTFLAGS);
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sal_Int32 nLength = aUTF.getLength();
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uno::Sequence<sal_Int8> aData (nLength);
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memcpy (aData.getArray(), aUTF.getStr(), nLength);
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OSL_ENSURE((nLength & binary::STR_ASCII_MASK) == 0,"String too long");
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if (bIsAscii)
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{
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nLength |= binary::STR_ASCII_MASK;
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OSL_ASSERT((nLength & binary::STR_ASCII_MASK) == binary::STR_ASCII_MASK);
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OSL_ASSERT(sal_Int32(nLength & ~binary::STR_ASCII_MASK) == aData.getLength());
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}
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m_xDataOutputStream->writeLong (nLength);
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m_xDataOutputStream->writeBytes (aData);
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}
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// -----------------------------------------------------------------------------
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// -----------------------------------------------------------------------------
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}
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// -----------------------------------------------------------------------------
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}
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