forked from amazingfate/loongoffice
d45607c4be
Some of the changes could be wrong and we don't need them. This reverts commit 784d4bea86d8cbb3a855e557c465ce50a049cefc. This reverts commit 8524d5aba59148eef94859289f00ab6477e0e821. This reverts commit 018f1deae884febbbe639c7ee46b45ce4807e9d3. This reverts commit 8124fddc5803b4e104d4fc2456cb92cb030d9436. We use our own helper cache class in FastSaxSerializer since f736eba5a9df8645849a37b08d2764a5f495ab45. Change-Id: Iaca6b5b11cb32595db4420a02fa72b0007cf6286
138 lines
7.5 KiB
C++
138 lines
7.5 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
|
|
/*
|
|
* This file is part of the LibreOffice project.
|
|
*
|
|
* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
|
|
*
|
|
* This file incorporates work covered by the following license notice:
|
|
*
|
|
* Licensed to the Apache Software Foundation (ASF) under one or more
|
|
* contributor license agreements. See the NOTICE file distributed
|
|
* with this work for additional information regarding copyright
|
|
* ownership. The ASF licenses this file to you under the Apache
|
|
* License, Version 2.0 (the "License"); you may not use this file
|
|
* except in compliance with the License. You may obtain a copy of
|
|
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
|
|
*/
|
|
#ifndef INCLUDED_COMPHELPER_SEQSTREAM_HXX
|
|
#define INCLUDED_COMPHELPER_SEQSTREAM_HXX
|
|
|
|
#include <com/sun/star/uno/Sequence.hxx>
|
|
#include <com/sun/star/uno/Reference.hxx>
|
|
#include <com/sun/star/io/XInputStream.hpp>
|
|
#include <com/sun/star/io/XOutputStream.hpp>
|
|
#include <com/sun/star/io/XSeekable.hpp>
|
|
#include <osl/mutex.hxx>
|
|
#include <cppuhelper/implbase1.hxx>
|
|
#include <cppuhelper/implbase2.hxx>
|
|
#include <comphelper/comphelperdllapi.h>
|
|
|
|
namespace comphelper
|
|
{
|
|
|
|
|
|
// SequenceInputStream
|
|
// stream for reading data from a sequence of bytes
|
|
|
|
|
|
|
|
class COMPHELPER_DLLPUBLIC SequenceInputStream
|
|
: public ::cppu::WeakImplHelper2< ::com::sun::star::io::XInputStream, ::com::sun::star::io::XSeekable >
|
|
{
|
|
::osl::Mutex m_aMutex;
|
|
css::uno::Sequence<sal_Int8> m_aData;
|
|
sal_Int32 m_nPos;
|
|
|
|
public:
|
|
SequenceInputStream(css::uno::Sequence<sal_Int8> const & rData);
|
|
|
|
// com::sun::star::io::XInputStream
|
|
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, std::exception) SAL_OVERRIDE;
|
|
|
|
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, std::exception) SAL_OVERRIDE;
|
|
|
|
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, std::exception) SAL_OVERRIDE;
|
|
|
|
virtual sal_Int32 SAL_CALL available( )
|
|
throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
|
|
|
|
virtual void SAL_CALL closeInput( )
|
|
throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
|
|
|
|
virtual void SAL_CALL seek( sal_Int64 location ) throw (::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
|
|
virtual sal_Int64 SAL_CALL getPosition( ) throw (::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
|
|
virtual sal_Int64 SAL_CALL getLength( ) throw (::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
|
|
|
|
private:
|
|
inline sal_Int32 avail();
|
|
};
|
|
typedef ::cppu::WeakImplHelper1< ::com::sun::star::io::XOutputStream > OSequenceOutputStream_Base;
|
|
|
|
class OSequenceOutputStream : public OSequenceOutputStream_Base
|
|
{
|
|
protected:
|
|
::com::sun::star::uno::Sequence< sal_Int8 >& m_rSequence;
|
|
double m_nResizeFactor;
|
|
sal_Int32 m_nMinimumResize;
|
|
sal_Int32 m_nMaximumResize;
|
|
sal_Int32 m_nSize;
|
|
// the size of the virtual stream. This is not the size of the sequence, but the number of bytes written
|
|
// into the stream at a given moment.
|
|
|
|
bool m_bConnected;
|
|
// closeOutput has been called ?
|
|
|
|
::osl::Mutex m_aMutex;
|
|
|
|
protected:
|
|
virtual ~OSequenceOutputStream() { if (m_bConnected) closeOutput(); }
|
|
|
|
public:
|
|
/** constructs the object. Everything written into the stream through the XOutputStream methods will be forwarded
|
|
to the sequence, reallocating it if necessary. Writing will start at offset 0 within the sequence.
|
|
@param _rSeq a reference to the sequence which will be used for output.
|
|
The caller is responsible for taking care of the lifetime of the stream
|
|
object and the sequence. If you're in doubt about this, use <code>closeOutput</code>
|
|
before destroying the sequence
|
|
@param _nResizeFactor the factor which is used for resizing the sequence when necessary. In every
|
|
resize step, the new sequence size will be calculated by multiplying the current
|
|
size with this factor, rounded off to the next multiple of 4.
|
|
@param _nMinimumResize the minmal number of bytes which is additionally allocated on resizing
|
|
@param _nMaximumResize as the growth of the stream size is exponential, you may want to specify a
|
|
maxmimum amount of memory which the sequence will grow by. If -1 is used,
|
|
no limit is applied
|
|
@see closeOutput
|
|
*/
|
|
OSequenceOutputStream(
|
|
::com::sun::star::uno::Sequence< sal_Int8 >& _rSeq,
|
|
double _nResizeFactor = 1.3,
|
|
sal_Int32 _nMinimumResize = 128,
|
|
sal_Int32 _nMaximumResize = -1
|
|
);
|
|
|
|
/// same as XOutputStream::writeBytes (as expected :)
|
|
virtual void SAL_CALL writeBytes( const ::com::sun::star::uno::Sequence< sal_Int8 >& aData ) throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::BufferSizeExceededException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
|
|
/// this is a dummy in this implementation, no buffering is used
|
|
virtual void SAL_CALL flush( ) throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::BufferSizeExceededException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
|
|
/** closes the output stream. In the case of this class, this means that the sequence used for writing is
|
|
resized to the really used size and not used any further, every subsequent call to one of the XOutputStream
|
|
methods will throw a <code>NotConnectedException</code>.
|
|
*/
|
|
virtual void SAL_CALL closeOutput( ) throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::BufferSizeExceededException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
|
|
};
|
|
|
|
} // namespace comphelper
|
|
|
|
#endif // INCLUDED_COMPHELPER_SEQSTREAM_HXX
|
|
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|