Files
libreoffice/xmlhelp/source/cxxhelp/provider/bufferedinputstream.hxx
2011-03-29 21:40:28 +01:00

117 lines
4.5 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
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#include <cppuhelper/weak.hxx>
#include <osl/mutex.hxx>
#include <com/sun/star/io/XInputStream.hpp>
#include <com/sun/star/io/XSeekable.hpp>
namespace chelp {
class BufferedInputStream
: public cppu::OWeakObject,
public com::sun::star::io::XInputStream,
public com::sun::star::io::XSeekable
{
private:
sal_Int32 m_nBufferLocation;
sal_Int32 m_nBufferSize;
sal_Int8 *m_pBuffer;
osl::Mutex m_aMutex;
public:
BufferedInputStream(
const com::sun::star::uno::Reference<com::sun::star::io::XInputStream>& xInputStream);
~BufferedInputStream();
virtual com::sun::star::uno::Any SAL_CALL
queryInterface( const com::sun::star::uno::Type& rType )
throw( com::sun::star::uno::RuntimeException );
virtual void SAL_CALL acquire( void ) throw();
virtual void SAL_CALL release( void ) throw();
virtual sal_Int32 SAL_CALL readBytes( com::sun::star::uno::Sequence< sal_Int8 >& aData,
sal_Int32 nBytesToRead )
throw( com::sun::star::io::NotConnectedException,
com::sun::star::io::BufferSizeExceededException,
com::sun::star::io::IOException,
com::sun::star::uno::RuntimeException );
virtual sal_Int32 SAL_CALL readSomeBytes( com::sun::star::uno::Sequence< sal_Int8 >& aData,
sal_Int32 nMaxBytesToRead )
throw( com::sun::star::io::NotConnectedException,
com::sun::star::io::BufferSizeExceededException,
com::sun::star::io::IOException,
com::sun::star::uno::RuntimeException );
virtual void SAL_CALL skipBytes( sal_Int32 nBytesToSkip )
throw( com::sun::star::io::NotConnectedException,
com::sun::star::io::BufferSizeExceededException,
com::sun::star::io::IOException,
com::sun::star::uno::RuntimeException );
virtual sal_Int32 SAL_CALL available( void )
throw( com::sun::star::io::NotConnectedException,
com::sun::star::io::IOException,
com::sun::star::uno::RuntimeException );
virtual void SAL_CALL closeInput( void )
throw( com::sun::star::io::NotConnectedException,
com::sun::star::io::IOException,
com::sun::star::uno::RuntimeException );
virtual void SAL_CALL seek( sal_Int64 location )
throw( com::sun::star::lang::IllegalArgumentException,
com::sun::star::io::IOException,
com::sun::star::uno::RuntimeException );
virtual sal_Int64 SAL_CALL getPosition( void )
throw( com::sun::star::io::IOException,
com::sun::star::uno::RuntimeException );
virtual sal_Int64 SAL_CALL getLength( void )
throw( com::sun::star::io::IOException,
com::sun::star::uno::RuntimeException );
};
extern com::sun::star::uno::Reference<com::sun::star::io::XInputStream>
turnToSeekable(
const com::sun::star::uno::Reference<com::sun::star::io::XInputStream>& xInputStream);
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */