From 940b4d1848e8c70ab7642901a68594e8016caffc Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 27 Apr 2024 18:51:28 +0200 Subject: Adding upstream version 1:7.0.4. Signed-off-by: Daniel Baumann --- package/source/zipapi/MemoryByteGrabber.hxx | 90 +++++++++++++++++++++++++++++ 1 file changed, 90 insertions(+) create mode 100644 package/source/zipapi/MemoryByteGrabber.hxx (limited to 'package/source/zipapi/MemoryByteGrabber.hxx') diff --git a/package/source/zipapi/MemoryByteGrabber.hxx b/package/source/zipapi/MemoryByteGrabber.hxx new file mode 100644 index 000000000..9f52204ea --- /dev/null +++ b/package/source/zipapi/MemoryByteGrabber.hxx @@ -0,0 +1,90 @@ +/* -*- 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_PACKAGE_SOURCE_ZIPAPI_MEMORYBYTEGRABBER_HXX +#define INCLUDED_PACKAGE_SOURCE_ZIPAPI_MEMORYBYTEGRABBER_HXX + +#include +#include +#include + +class MemoryByteGrabber final +{ + const sal_Int8 *mpBuffer; + sal_Int32 mnCurrent, mnEnd; +public: + MemoryByteGrabber ( const css::uno::Sequence < sal_Int8 > & rBuffer ) + : mpBuffer ( rBuffer.getConstArray() ) + , mnCurrent ( 0 ) + , mnEnd ( rBuffer.getLength() ) + { + } + MemoryByteGrabber(css::uno::Sequence &&) = delete; + + const sal_Int8 * getCurrentPos () const { return mpBuffer + mnCurrent; } + + sal_Int32 remainingSize() const { return mnEnd - mnCurrent; } + + // XInputStream chained + + /// @throws css::io::NotConnectedException + /// @throws css::io::BufferSizeExceededException + /// @throws css::io::IOException + /// @throws css::uno::RuntimeException + void skipBytes( sal_Int32 nBytesToSkip ) + { + mnCurrent += nBytesToSkip; + } + + // XSeekable chained... + sal_Int16 ReadInt16() + { + if (mnCurrent + 2 > mnEnd ) + return 0; + sal_Int16 nInt16 = mpBuffer[mnCurrent++] & 0xFF; + nInt16 |= ( mpBuffer[mnCurrent++] & 0xFF ) << 8; + return nInt16; + } + sal_Int32 ReadInt32() + { + if (mnCurrent + 4 > mnEnd ) + return 0; + + sal_Int32 nInt32 = mpBuffer[mnCurrent++] & 0xFF; + nInt32 |= ( mpBuffer[mnCurrent++] & 0xFF ) << 8; + nInt32 |= ( mpBuffer[mnCurrent++] & 0xFF ) << 16; + nInt32 |= ( mpBuffer[mnCurrent++] & 0xFF ) << 24; + return nInt32; + } + + sal_uInt32 ReadUInt32() + { + if (mnCurrent + 4 > mnEnd ) + return 0; + + sal_uInt32 nInt32 = mpBuffer [mnCurrent++] & 0xFF; + nInt32 |= ( mpBuffer [mnCurrent++] & 0xFF ) << 8; + nInt32 |= ( mpBuffer [mnCurrent++] & 0xFF ) << 16; + nInt32 |= ( mpBuffer [mnCurrent++] & 0xFF ) << 24; + return nInt32; + } +}; + +#endif + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ -- cgit v1.2.3