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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: IndexAccessor.cxx,v $
* $Revision: 1.10 $
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_xmlhelp.hxx"
#include <osl/diagnose.h>
#include <osl/file.hxx>
#include <util/IndexAccessor.hxx>
#include <util/RandomAccessStream.hxx>
using namespace xmlsearch::excep;
using namespace xmlsearch::util;
class RandomAccessStreamImpl
: public RandomAccessStream
{
public:
RandomAccessStreamImpl( const rtl::OUString& aPath,const rtl::OUString& how );
~RandomAccessStreamImpl()
{
close();
}
virtual void seek( sal_Int32 pos )
{
file_.setPos( Pos_Absolut,sal_uInt64( pos ) );
}
virtual sal_Int32 readBytes( sal_Int8* data,sal_Int32 num )
{
sal_uInt64 nbytesread;
#ifdef DBG_UTIL
osl::FileBase::RC err =
file_.read( (void*)(data), sal_uInt64(num),nbytesread );
OSL_ENSURE( err == osl::FileBase::E_None, "RandomAccessStreamImpl::readBytes: -> file not open" );
#else
file_.read( (void*)(data), sal_uInt64(num),nbytesread );
#endif
return sal_Int32( nbytesread );
}
virtual void writeBytes( sal_Int8*, sal_Int32 )
{
// Do nothing by now
}
virtual sal_Int32 length()
{
osl::DirectoryItem aItem;
osl::FileStatus aStatus( FileStatusMask_FileSize );
osl::DirectoryItem::get( path_,aItem );
aItem.getFileStatus( aStatus );
return sal_Int32( aStatus.getFileSize() );
}
virtual void close()
{
file_.close();
}
bool isOpen()
{
return isOpen_;
}
private:
rtl::OUString path_;
osl::File file_;
bool isOpen_;
};
RandomAccessStreamImpl::RandomAccessStreamImpl( const rtl::OUString& aPath,const rtl::OUString& how )
: path_( aPath ),
file_( aPath )
{
sal_uInt32 flags = 0;
const sal_Unicode* bla = how.getStr();
for( int i = 0; i < how.getLength(); ++i )
{
if( bla[i] == sal_Unicode( 'r' ) )
flags |= Read;
else if( bla[i] == sal_Unicode( 'w' ) )
flags |= Write;
else if( bla[i] == sal_Unicode( 'c' ) )
flags |= Create;
}
isOpen_ = ( file_.open( flags ) == osl::FileBase::E_None );
if( !isOpen_ )
{
file_.close();
OSL_ENSURE( false,"RandomAccessStreamImpl::RandomAccessStreamImpl -> could not open file" );
}
}
RandomAccessStream* IndexAccessor::getStream( const rtl::OUString& fileName,const rtl::OUString& how ) const
{
rtl::OUString qualifiedName;
int retry = 2;
RandomAccessStreamImpl *p = 0;
while( retry-- && ! p )
{
if( retry == 1 )
qualifiedName = dirName_ + fileName;
else if( retry == 0 )
qualifiedName = dirName_ + fileName.toAsciiLowerCase();
p = new RandomAccessStreamImpl( qualifiedName,how );
if( ! p->isOpen() )
{
delete p; p = 0;
}
}
return p;
}
sal_Int32 IndexAccessor::readByteArray( sal_Int8*& out,const rtl::OUString& fileName )
throw( IOException )
{
RandomAccessStream* in = getStream( fileName,rtl::OUString::createFromAscii("r") );
if( ! in )
throw IOException(
rtl::OUString::createFromAscii( "IndexAccessor::readByteArray -> cannot open file " ) +
fileName );
sal_Int32 n;
delete[] out;
out = new sal_Int8[ n = in->length() ];
in->readBytes( out,n );
delete in;
return n;
}
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