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 --- hwpfilter/source/hiodev.h | 162 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 162 insertions(+) create mode 100644 hwpfilter/source/hiodev.h (limited to 'hwpfilter/source/hiodev.h') diff --git a/hwpfilter/source/hiodev.h b/hwpfilter/source/hiodev.h new file mode 100644 index 000000000..b6f2c7aa2 --- /dev/null +++ b/hwpfilter/source/hiodev.h @@ -0,0 +1,162 @@ +/* -*- 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 . + */ + +/** + * hwpio.h + * (C) 1999 Mizi Research, All rights are reserved + */ + +#ifndef INCLUDED_HWPFILTER_SOURCE_HIODEV_H +#define INCLUDED_HWPFILTER_SOURCE_HIODEV_H + +#include + +#include + +#include +#include + +#include "hwplib.h" +/** + * @short Abstract IO class + */ +class DLLEXPORT HIODev +{ + protected: + bool compressed; + virtual void init(); + public: + HIODev(); + virtual ~HIODev(); + + virtual bool open() = 0; + virtual void flush() = 0; + virtual bool state() const = 0; +/* gzip routine wrapper */ + virtual bool setCompressed( bool ) = 0; + + virtual bool read1b(unsigned char &out) = 0; + virtual bool read1b(char &out) = 0; + virtual bool read2b(unsigned short &out) = 0; + virtual bool read4b(unsigned int &out) = 0; + virtual bool read4b(int &out) = 0; + virtual size_t readBlock( void *ptr, size_t size ) = 0; + virtual size_t skipBlock( size_t size ) = 0; + + size_t read2b( void *ptr, size_t nmemb ); + size_t read4b( void *ptr, size_t nmemb ); +}; + +struct gz_stream; + +/* File input and output devices */ + +/** + * This controls the HStream given by constructor + * @short Stream IO device + */ +class HStreamIODev final: public HIODev +{ + private: +/* zlib으로 압축을 풀기 위한 자료 구조 */ + std::unique_ptr _stream; + gz_stream *_gzfp; + public: + explicit HStreamIODev(std::unique_ptr stream); + virtual ~HStreamIODev() override; +/** + * Check whether the stream is available + */ + virtual bool open() override; +/** + * If the stream is gzipped, flush the stream. + */ + virtual void flush() override; +/** + * Not implemented. + */ + virtual bool state() const override; +/** + * Set whether the stream is compressed or not + */ + virtual bool setCompressed( bool ) override; +/** + * Read one byte from stream + */ + virtual bool read1b(unsigned char &out) override; + virtual bool read1b(char &out) override; +/** + * Read 2 bytes from stream + */ + using HIODev::read2b; + virtual bool read2b(unsigned short &out) override; +/** + * Read 4 bytes from stream + */ + using HIODev::read4b; + virtual bool read4b(unsigned int &out) override; + virtual bool read4b(int &out) override; +/** + * Read some bytes from stream to given pointer as amount of size + */ + virtual size_t readBlock( void *ptr, size_t size ) override; +/** + * Move current pointer of stream as amount of size + */ + virtual size_t skipBlock( size_t size ) override; + private: +/** + * Initialize this object + */ + virtual void init() override; +}; + +/* Memory, input and output devices */ +/** + * The HMemIODev class controls the Input/Output device. + * @short Memory IO device + */ +class HMemIODev final: public HIODev +{ + uchar *ptr; + size_t pos, length; + public: + HMemIODev(char *s, size_t len); + virtual ~HMemIODev() override; + + virtual bool open() override; + virtual void flush() override; + virtual bool state() const override; +/* gzip routine wrapper */ + virtual bool setCompressed( bool ) override; + virtual bool read1b(unsigned char &out) override; + virtual bool read1b(char &out) override; + using HIODev::read2b; + virtual bool read2b(unsigned short &out) override; + using HIODev::read4b; + virtual bool read4b(unsigned int &out) override; + virtual bool read4b(int &out) override; + virtual size_t readBlock( void *ptr, size_t size ) override; + virtual size_t skipBlock( size_t size ) override; + private: + virtual void init() override; +}; +#endif // INCLUDED_HWPFILTER_SOURCE_HIODEV_H + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ -- cgit v1.2.3