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/* -*- 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 .
*/
#include <sal/config.h>
#include <com/sun/star/io/BufferSizeExceededException.hpp>
#include <com/sun/star/io/NotConnectedException.hpp>
#include "gio_inputstream.hxx"
#include "gio_content.hxx"
namespace gio
{
InputStream::InputStream(GFileInputStream *pStream): mpStream(pStream)
{
if (!mpStream)
throw css::io::NotConnectedException();
}
InputStream::~InputStream()
{
closeInput();
}
sal_Int32 SAL_CALL InputStream::available()
{
return 0;
}
void SAL_CALL InputStream::closeInput()
{
if (mpStream)
g_input_stream_close(G_INPUT_STREAM(mpStream), nullptr, nullptr);
}
void SAL_CALL InputStream::skipBytes( sal_Int32 nBytesToSkip )
{
// Conservatively call readBytes and discard the read data, but given this
// InputStream will always be wrapped in comphelper::OSeekableInputWrapper,
// this function will never be called anyway:
css::uno::Sequence<sal_Int8> data;
readBytes(data, nBytesToSkip);
}
sal_Int32 SAL_CALL InputStream::readBytes( css::uno::Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead )
{
if (!mpStream)
throw css::io::NotConnectedException();
try
{
aData.realloc( nBytesToRead );
}
catch ( const css::uno::Exception & )
{
throw css::io::BufferSizeExceededException();
}
gsize nBytesRead = 0;
GError *pError=nullptr;
if (!g_input_stream_read_all(G_INPUT_STREAM(mpStream), aData.getArray(), nBytesToRead, &nBytesRead, nullptr, &pError))
convertToIOException(pError, static_cast< cppu::OWeakObject * >(this));
aData.realloc(nBytesRead);
return nBytesRead;
}
sal_Int32 SAL_CALL InputStream::readSomeBytes( css::uno::Sequence< sal_Int8 >& aData, sal_Int32 nMaxBytesToRead )
{
return readBytes(aData, nMaxBytesToRead);
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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