X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=simgear%2Fmisc%2Fzfstream.hxx;h=e226166c985bff5ef7db4ab0da2fbab4796e2061;hb=bb383998bb77002a6d94e83e253de01e116f9268;hp=058c1a1fff439b912e5dcf31f4b147db996cc914;hpb=a86868526e163812eb286ea71fe9600df7deea4a;p=simgear.git diff --git a/simgear/misc/zfstream.hxx b/simgear/misc/zfstream.hxx index 058c1a1f..e226166c 100644 --- a/simgear/misc/zfstream.hxx +++ b/simgear/misc/zfstream.hxx @@ -1,5 +1,8 @@ -// A C++ I/O streams interface to the zlib gz* functions -// +/** + * \file zfstream.hxx + * A C++ I/O streams interface to the zlib gz* functions. + */ + // Written by Bernie Bright, 1998 // Based on zlib/contrib/iostream/ by Kevin Ruland // @@ -25,19 +28,11 @@ #ifndef _zfstream_hxx #define _zfstream_hxx -#ifdef HAVE_CONFIG_H -# include -#endif - #include -#ifdef HAVE_ZLIB -# include -#else -# include -#endif +#include -#ifdef FG_HAVE_STD_INCLUDES +#ifdef SG_HAVE_STD_INCLUDES # include # include @@ -53,14 +48,14 @@ # define ios_badbit ios_base::badbit # define ios_failbit ios_base::failbit -FG_USING_STD(streambuf); -FG_USING_STD(ios_base); -FG_USING_STD(streampos); -FG_USING_STD(streamoff); +SG_USING_STD(streambuf); +SG_USING_STD(ios_base); +SG_USING_STD(streampos); +SG_USING_STD(streamoff); #else -# ifdef FG_HAVE_STREAMBUF +# ifdef SG_HAVE_STREAMBUF # include # include # else @@ -75,8 +70,6 @@ FG_USING_STD(streamoff); #if defined(__GNUC__) && __GNUC_MINOR__ < 8 # define ios_binary ios::bin -#elif defined( FG_HAVE_NATIVE_SGI_COMPILERS ) -# define ios_binary 0 #else # define ios_binary ios::binary #endif @@ -86,42 +79,73 @@ FG_USING_STD(streamoff); # define ios_badbit ios::badbit # define ios_failbit ios::failbit -# include +# include -#endif // FG_HAVE_STD_INCLUDES +#endif // SG_HAVE_STD_INCLUDES -//----------------------------------------------------------------------------- -// -// -// +/** + * A C++ I/O streams interface to the zlib gz* functions. + */ +#ifdef SG_NEED_STREAMBUF_HACK +class gzfilebuf : public __streambuf +#else class gzfilebuf : public streambuf +#endif { public: -#ifndef FG_HAVE_STD_INCLUDES +#ifndef SG_HAVE_STD_INCLUDES typedef char_traits traits_type; typedef char_traits::int_type int_type; // typedef char_traits::pos_type pos_type; // typedef char_traits::off_type off_type; #endif + /** Constructor */ gzfilebuf(); + + /** Destructor */ virtual ~gzfilebuf(); + /** + * Open a stream + * @param name file name + * @param io_mode mdoe flags + * @return file stream + */ gzfilebuf* open( const char* name, ios_openmode io_mode ); + + /** + * Attach to an existing file descriptor + * @param file_descriptor file descriptor + * @param io_mode mode flags + * @return file stream + */ gzfilebuf* attach( int file_descriptor, ios_openmode io_mode ); + + /** Close stream */ gzfilebuf* close(); -// int setcompressionlevel( int comp_level ); -// int setcompressionstrategy( int comp_strategy ); + // int setcompressionlevel( int comp_level ); + // int setcompressionstrategy( int comp_strategy ); + + /** @return true if open, false otherwise */ bool is_open() const { return (file != NULL); } + + /** @return stream position */ virtual streampos seekoff( streamoff off, ios_seekdir way, int which ); + + /** sync the stream */ virtual int sync(); protected: virtual int_type underflow(); +#ifndef SG_HAVE_STD_INCLUDES virtual int_type overflow( int_type c = traits_type::eof() ); +#else + virtual int_type overflow( int_type c = streambuf::traits_type::eof() ); +#endif private: @@ -149,10 +173,9 @@ private: void operator= ( const gzfilebuf& ); }; -//----------------------------------------------------------------------------- -// -// -// +/** + * document me + */ struct gzifstream_base { gzifstream_base() {}