| // Copyright (C) 1999-2005 Open Source Telecom Corporation. |
| // Copyright (C) 2006-2010 David Sugar, Tycho Softworks. |
| // |
| // This program is free software; you can redistribute it and/or modify |
| // it under the terms of the GNU General Public License as published by |
| // the Free Software Foundation; either version 2 of the License, or |
| // (at your option) any later version. |
| // |
| // This program is distributed in the hope that it will be useful, |
| // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| // GNU General Public License for more details. |
| // |
| // You should have received a copy of the GNU General Public License |
| // along with this program; if not, write to the Free Software |
| // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| // |
| // As a special exception, you may use this file as part of a free software |
| // library without restriction. Specifically, if other files instantiate |
| // templates or use macros or inline functions from this file, or you compile |
| // this file and link it with other files to produce an executable, this |
| // file does not by itself cause the resulting executable to be covered by |
| // the GNU General Public License. This exception does not however |
| // invalidate any other reasons why the executable file might be covered by |
| // the GNU General Public License. |
| // |
| // This exception applies only to the code released under the name GNU |
| // Common C++. If you copy code from other releases into a copy of GNU |
| // Common C++, as the General Public License permits, the exception does |
| // not apply to the code that you add in this way. To avoid misleading |
| // anyone as to the status of such modified files, you must delete |
| // this exception notice from them. |
| // |
| // If you write modifications of your own for GNU Common C++, it is your choice |
| // whether to permit this exception to apply to your modifications. |
| // If you do not wish that, delete this exception notice. |
| // |
| |
| /** |
| * @file zstream.h |
| * @short compressed stream operations. |
| **/ |
| |
| #ifndef CCXX_ZSTREAM_H_ |
| #define CCXX_ZSTREAM_H_ |
| |
| #ifndef CCXX_MISSING_H_ |
| #include <cc++/missing.h> |
| #endif |
| |
| #ifndef CCXX_THREAD_H_ |
| #include <cc++/thread.h> |
| #endif |
| |
| #ifndef CCXX_STRING_H_ |
| #include <cc++/string.h> |
| #endif |
| |
| #ifndef CCXX_EXCEPTION_H_ |
| #include <cc++/exception.h> |
| #endif |
| |
| #include <zlib.h> |
| |
| #ifdef CCXX_NAMESPACES |
| namespace ost { |
| #endif |
| |
| #ifdef COMMON_STD_EXCEPTION |
| |
| class __EXPORT IOZException : public IOException |
| { |
| public: |
| IOZException(const String &str) : IOException(str) {}; |
| }; |
| |
| #endif |
| |
| class __EXPORT IZStream : protected std::streambuf, public std::istream |
| { |
| private: |
| gzFile fp; |
| int doallocate(); |
| bool throwflag; |
| |
| protected: |
| size_t bufsize; |
| char *gbuf; |
| |
| void allocate(size_t size); |
| |
| int underflow(); |
| |
| int uflow(); |
| |
| public: |
| IZStream(bool throwflag = false); |
| IZStream(const char *name, size_t size = 512, bool tf = false); |
| |
| bool isOpen(void); |
| |
| void close(void); |
| |
| virtual ~IZStream(); |
| |
| void open(const char *name, size_t size = 512); |
| |
| inline size_t getBufferSize(void) |
| {return bufsize;}; |
| }; |
| |
| class __EXPORT OZStream : protected std::streambuf, public std::ostream |
| { |
| private: |
| gzFile fp; |
| int doallocate(); |
| bool throwflag; |
| |
| protected: |
| size_t bufsize; |
| char *pbuf; |
| |
| void allocate(size_t size); |
| |
| int overflow(int ch); |
| |
| public: |
| OZStream(bool throwflag = false); |
| OZStream(const char *name, int level = Z_DEFAULT_COMPRESSION, size_t size = 512, bool tf = false); |
| |
| bool isOpen(void); |
| |
| void close(void); |
| |
| virtual ~OZStream(); |
| |
| void open(const char *name, int level = Z_DEFAULT_COMPRESSION, size_t size = 512); |
| |
| inline size_t getBufferSize(void) |
| {return bufsize;}; |
| }; |
| |
| #ifdef CCXX_NAMESPACES |
| } |
| #endif |
| |
| #endif |
| /** EMACS ** |
| * Local variables: |
| * mode: c++ |
| * c-basic-offset: 4 |
| * End: |
| */ |