diff options
Diffstat (limited to 'ucb/source/ucp/gio/gio_inputstream.cxx')
-rw-r--r-- | ucb/source/ucp/gio/gio_inputstream.cxx | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/ucb/source/ucp/gio/gio_inputstream.cxx b/ucb/source/ucp/gio/gio_inputstream.cxx new file mode 100644 index 0000000000..5d07586ec6 --- /dev/null +++ b/ucb/source/ucp/gio/gio_inputstream.cxx @@ -0,0 +1,91 @@ +/* -*- 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, getXWeak()); + 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: */ |