From ed5640d8b587fbcfed7dd7967f3de04b37a76f26 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 11:06:44 +0200 Subject: Adding upstream version 4:7.4.7. Signed-off-by: Daniel Baumann --- ucb/source/ucp/gio/gio_seekable.cxx | 126 ++++++++++++++++++++++++++++++++++++ 1 file changed, 126 insertions(+) create mode 100644 ucb/source/ucp/gio/gio_seekable.cxx (limited to 'ucb/source/ucp/gio/gio_seekable.cxx') diff --git a/ucb/source/ucp/gio/gio_seekable.cxx b/ucb/source/ucp/gio/gio_seekable.cxx new file mode 100644 index 000000000..1f1da5948 --- /dev/null +++ b/ucb/source/ucp/gio/gio_seekable.cxx @@ -0,0 +1,126 @@ +/* -*- 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 + +#include +#include +#include + +#include "gio_seekable.hxx" +#include "gio_content.hxx" + +namespace gio +{ + +Seekable::Seekable(GSeekable *pStream) : mpStream(pStream) +{ + if (!mpStream) + throw css::io::NotConnectedException(); +} + +Seekable::~Seekable() +{ +} + +void SAL_CALL Seekable::truncate() +{ + if (!mpStream) + throw css::io::NotConnectedException(); + + if (!g_seekable_can_truncate(mpStream)) + throw css::io::IOException("Truncate unsupported", + static_cast< cppu::OWeakObject * >(this)); + + GError *pError=nullptr; + if (!g_seekable_truncate(mpStream, 0, nullptr, &pError)) + convertToIOException(pError, static_cast< cppu::OWeakObject * >(this)); +} + +void SAL_CALL Seekable::seek( sal_Int64 location ) +{ + if (!mpStream) + throw css::io::NotConnectedException(); + + if (!g_seekable_can_seek(mpStream)) + throw css::io::IOException("Seek unsupported", + static_cast< cppu::OWeakObject * >(this)); + + GError *pError=nullptr; + if (!g_seekable_seek(mpStream, location, G_SEEK_SET, nullptr, &pError)) + convertToIOException(pError, static_cast< cppu::OWeakObject * >(this)); +} + +sal_Int64 SAL_CALL Seekable::getPosition() +{ + if (!mpStream) + throw css::io::NotConnectedException(); + + return g_seekable_tell(mpStream); +} + +sal_Int64 SAL_CALL Seekable::getLength() +{ + if (!mpStream) + throw css::io::NotConnectedException(); + + bool bOk = false; + sal_uInt64 nSize = 0; + + GFileInfo* pInfo = G_IS_FILE_INPUT_STREAM(mpStream) + ? g_file_input_stream_query_info(G_FILE_INPUT_STREAM(mpStream), G_FILE_ATTRIBUTE_STANDARD_SIZE, nullptr, nullptr) + : g_file_output_stream_query_info(G_FILE_OUTPUT_STREAM(mpStream), G_FILE_ATTRIBUTE_STANDARD_SIZE, nullptr, nullptr); + + if (pInfo) + { + if (g_file_info_has_attribute(pInfo, G_FILE_ATTRIBUTE_STANDARD_SIZE)) + { + nSize = g_file_info_get_size(pInfo); + bOk = true; + } + g_object_unref(pInfo); + } + + if (!bOk) + { + GError *pError=nullptr; + sal_Int64 nCurr = getPosition(); + if (!g_seekable_seek(mpStream, 0, G_SEEK_END, nullptr, &pError)) + convertToIOException(pError, static_cast< cppu::OWeakObject * >(this)); + nSize = getPosition(); + seek(nCurr); + } + + return nSize; +} + +css::uno::Any Seekable::queryInterface( const css::uno::Type &type ) +{ + css::uno::Any aRet = ::cppu::queryInterface ( type, + static_cast< XSeekable * >( this ) ); + + if (!aRet.hasValue() && g_seekable_can_truncate(mpStream)) + aRet = ::cppu::queryInterface ( type, static_cast< XTruncate * >( this ) ); + + return aRet.hasValue() ? aRet : OWeakObject::queryInterface( type ); +} + +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ -- cgit v1.2.3