91 lines
2.6 KiB
C++
91 lines
2.6 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <sal/config.h>
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#include <com/sun/star/io/BufferSizeExceededException.hpp>
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#include <com/sun/star/io/NotConnectedException.hpp>
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#include "gio_inputstream.hxx"
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#include "gio_content.hxx"
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namespace gio
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{
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InputStream::InputStream(GFileInputStream *pStream): mpStream(pStream)
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{
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if (!mpStream)
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throw css::io::NotConnectedException();
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}
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InputStream::~InputStream()
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{
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closeInput();
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}
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sal_Int32 SAL_CALL InputStream::available()
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{
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return 0;
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}
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void SAL_CALL InputStream::closeInput()
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{
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if (mpStream)
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g_input_stream_close(G_INPUT_STREAM(mpStream), nullptr, nullptr);
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}
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void SAL_CALL InputStream::skipBytes( sal_Int32 nBytesToSkip )
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{
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// Conservatively call readBytes and discard the read data, but given this
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// InputStream will always be wrapped in comphelper::OSeekableInputWrapper,
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// this function will never be called anyway:
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css::uno::Sequence<sal_Int8> data;
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readBytes(data, nBytesToSkip);
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}
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sal_Int32 SAL_CALL InputStream::readBytes( css::uno::Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead )
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{
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if (!mpStream)
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throw css::io::NotConnectedException();
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try
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{
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aData.realloc( nBytesToRead );
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}
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catch ( const css::uno::Exception & )
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{
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throw css::io::BufferSizeExceededException();
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}
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gsize nBytesRead = 0;
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GError *pError=nullptr;
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if (!g_input_stream_read_all(G_INPUT_STREAM(mpStream), aData.getArray(), nBytesToRead, &nBytesRead, nullptr, &pError))
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convertToIOException(pError, getXWeak());
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aData.realloc(nBytesRead);
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return nBytesRead;
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}
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sal_Int32 SAL_CALL InputStream::readSomeBytes( css::uno::Sequence< sal_Int8 >& aData, sal_Int32 nMaxBytesToRead )
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{
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return readBytes(aData, nMaxBytesToRead);
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}
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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