X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fio%2Fzlibcompressed.h;h=da7313b4c42a62a3838045b0737eefbb919f7044;hb=5763dd6e8089c97699cbcbd221afb7fe1841bcdd;hp=30894cb9cf2345e7e5d79ed742dfe74e115ab99c;hpb=e0266badf098a5cec2512eb693bca771e35fd3ab;p=libs%2Fcore.git diff --git a/source/io/zlibcompressed.h b/source/io/zlibcompressed.h index 30894cb..da7313b 100644 --- a/source/io/zlibcompressed.h +++ b/source/io/zlibcompressed.h @@ -12,13 +12,13 @@ namespace IO { class zlib_error: public std::runtime_error { private: - int code_; + int m_code; public: zlib_error(const std::string &, int); - ~zlib_error() throw() { } + virtual ~zlib_error() throw() = default; - int code() const throw() { return code_; } + int code() const throw() { return m_code; } }; /** @@ -34,32 +34,31 @@ private: struct Private; Base &below; - unsigned buffer_size; - unsigned char *in_buffer; - unsigned char *out_buffer; - bool stream_end; - Private *priv; + std::size_t buffer_size = 1024; + unsigned char *in_buffer = 0; + unsigned char *out_buffer = 0; + bool stream_end = false; + Private *priv = 0; public: /** Creates a zlib de/compression object. The underlying object must be open for reading or writing, not both. The level parameter determines compression quality, ranging from 1 (fastest) to 9 (best compression). */ - ZlibCompressed(Base &, unsigned level = 9); + ZlibCompressed(Base &b, unsigned level = 9): ZlibCompressed(b, b.get_mode()&M_RDWR, level) { } /** Creates a zlib de/compression object. Mode must be either read or write, and compatible with the underlying object. */ ZlibCompressed(Base &, Mode, unsigned level = 9); -private: - void init(unsigned); - -public: virtual ~ZlibCompressed(); + virtual void set_block(bool); + virtual void set_inherit(bool); + void flush(); protected: - virtual unsigned do_write(const char *, unsigned); + virtual std::size_t do_write(const char *, std::size_t); private: /** Compresses data and writes it to the underlying object. Returns true if @@ -69,7 +68,9 @@ private: bool compress_data(int flush_mode); public: - virtual unsigned do_read(char *, unsigned); + virtual std::size_t do_read(char *, std::size_t); + + virtual const Handle &get_handle(Mode); }; } // namespace IO