diff options
Diffstat (limited to 'include/io/izlibstream.h')
| -rw-r--r-- | include/io/izlibstream.h | 120 |
1 files changed, 64 insertions, 56 deletions
diff --git a/include/io/izlibstream.h b/include/io/izlibstream.h index f7d180f4e8..c2a8e59b04 100644 --- a/include/io/izlibstream.h +++ b/include/io/izlibstream.h @@ -33,67 +33,75 @@ namespace zlib { -/** - * @brief Stream buffer used by zlib::izlibstream - * @sa izlibstream - */ -class NBT_EXPORT inflate_streambuf : public zlib_streambuf -{ -public: - /** - * @param input the istream to wrap - * @param bufsize the size of the internal buffers - * @param window_bits the base two logarithm of the maximum window size that - * zlib will use. - * This parameter also determines which type of input to expect. - * The default argument will autodetect between zlib and gzip data. - * Refer to the zlib documentation of inflateInit2 for more details. - * - * @throw zlib_error if zlib encounters a problem during initialization - */ - explicit inflate_streambuf(std::istream& input, size_t bufsize = 32768, int window_bits = 32 + 15); - ~inflate_streambuf() noexcept; + /** + * @brief Stream buffer used by zlib::izlibstream + * @sa izlibstream + */ + class NBT_EXPORT inflate_streambuf : public zlib_streambuf + { + public: + /** + * @param input the istream to wrap + * @param bufsize the size of the internal buffers + * @param window_bits the base two logarithm of the maximum window size + * that zlib will use. This parameter also determines which type of + * input to expect. The default argument will autodetect between zlib + * and gzip data. Refer to the zlib documentation of inflateInit2 for + * more details. + * + * @throw zlib_error if zlib encounters a problem during initialization + */ + explicit inflate_streambuf(std::istream& input, size_t bufsize = 32768, + int window_bits = 32 + 15); + ~inflate_streambuf() noexcept; - ///@return the wrapped istream - std::istream& get_istr() const { return is; } + ///@return the wrapped istream + std::istream& get_istr() const + { + return is; + } -private: - std::istream& is; - bool stream_end; + private: + std::istream& is; + bool stream_end; - int_type underflow() override; -}; + int_type underflow() override; + }; -/** - * @brief An istream adapter that decompresses data using zlib - * - * This istream wraps another istream. The izlibstream will read compressed - * data from the wrapped istream and inflate (decompress) it with zlib. - * - * @note If you want to read more data from the wrapped istream after the end - * of the compressed data, then it must allow seeking. It is unavoidable for - * the izlibstream to consume more data after the compressed data. - * It will automatically attempt to seek the wrapped istream back to the point - * after the end of the compressed data. - * @sa inflate_streambuf - */ -class NBT_EXPORT izlibstream : public std::istream -{ -public: - /** - * @param input the istream to wrap - * @param bufsize the size of the internal buffers - */ - explicit izlibstream(std::istream& input, size_t bufsize = 32768): - std::istream(&buf), buf(input, bufsize) - {} - ///@return the wrapped istream - std::istream& get_istr() const { return buf.get_istr(); } + /** + * @brief An istream adapter that decompresses data using zlib + * + * This istream wraps another istream. The izlibstream will read compressed + * data from the wrapped istream and inflate (decompress) it with zlib. + * + * @note If you want to read more data from the wrapped istream after the + * end of the compressed data, then it must allow seeking. It is unavoidable + * for the izlibstream to consume more data after the compressed data. It + * will automatically attempt to seek the wrapped istream back to the point + * after the end of the compressed data. + * @sa inflate_streambuf + */ + class NBT_EXPORT izlibstream : public std::istream + { + public: + /** + * @param input the istream to wrap + * @param bufsize the size of the internal buffers + */ + explicit izlibstream(std::istream& input, size_t bufsize = 32768) + : std::istream(&buf), buf(input, bufsize) + { + } + ///@return the wrapped istream + std::istream& get_istr() const + { + return buf.get_istr(); + } -private: - inflate_streambuf buf; -}; + private: + inflate_streambuf buf; + }; -} +} // namespace zlib #endif // IZLIBSTREAM_H_INCLUDED |