From 373dc625f82b47096893add42c4472e4a57ab7eb Mon Sep 17 00:00:00 2001 From: Aki Date: Wed, 9 Feb 2022 22:23:03 +0100 Subject: Moved third-party libraries to a separate subdirectory --- zlib/contrib/iostream2/zstream.h | 307 --------------------------------------- 1 file changed, 307 deletions(-) delete mode 100644 zlib/contrib/iostream2/zstream.h (limited to 'zlib/contrib/iostream2/zstream.h') diff --git a/zlib/contrib/iostream2/zstream.h b/zlib/contrib/iostream2/zstream.h deleted file mode 100644 index 43d2332..0000000 --- a/zlib/contrib/iostream2/zstream.h +++ /dev/null @@ -1,307 +0,0 @@ -/* - * - * Copyright (c) 1997 - * Christian Michelsen Research AS - * Advanced Computing - * Fantoftvegen 38, 5036 BERGEN, Norway - * http://www.cmr.no - * - * Permission to use, copy, modify, distribute and sell this software - * and its documentation for any purpose is hereby granted without fee, - * provided that the above copyright notice appear in all copies and - * that both that copyright notice and this permission notice appear - * in supporting documentation. Christian Michelsen Research AS makes no - * representations about the suitability of this software for any - * purpose. It is provided "as is" without express or implied warranty. - * - */ - -#ifndef ZSTREAM__H -#define ZSTREAM__H - -/* - * zstream.h - C++ interface to the 'zlib' general purpose compression library - * $Id: zstream.h 1.1 1997-06-25 12:00:56+02 tyge Exp tyge $ - */ - -#include -#include -#include -#include "zlib.h" - -#if defined(_WIN32) -# include -# include -# define SET_BINARY_MODE(file) setmode(fileno(file), O_BINARY) -#else -# define SET_BINARY_MODE(file) -#endif - -class zstringlen { -public: - zstringlen(class izstream&); - zstringlen(class ozstream&, const char*); - size_t value() const { return val.word; } -private: - struct Val { unsigned char byte; size_t word; } val; -}; - -// ----------------------------- izstream ----------------------------- - -class izstream -{ - public: - izstream() : m_fp(0) {} - izstream(FILE* fp) : m_fp(0) { open(fp); } - izstream(const char* name) : m_fp(0) { open(name); } - ~izstream() { close(); } - - /* Opens a gzip (.gz) file for reading. - * open() can be used to read a file which is not in gzip format; - * in this case read() will directly read from the file without - * decompression. errno can be checked to distinguish two error - * cases (if errno is zero, the zlib error is Z_MEM_ERROR). - */ - void open(const char* name) { - if (m_fp) close(); - m_fp = ::gzopen(name, "rb"); - } - - void open(FILE* fp) { - SET_BINARY_MODE(fp); - if (m_fp) close(); - m_fp = ::gzdopen(fileno(fp), "rb"); - } - - /* Flushes all pending input if necessary, closes the compressed file - * and deallocates all the (de)compression state. The return value is - * the zlib error number (see function error() below). - */ - int close() { - int r = ::gzclose(m_fp); - m_fp = 0; return r; - } - - /* Binary read the given number of bytes from the compressed file. - */ - int read(void* buf, size_t len) { - return ::gzread(m_fp, buf, len); - } - - /* Returns the error message for the last error which occurred on the - * given compressed file. errnum is set to zlib error number. If an - * error occurred in the file system and not in the compression library, - * errnum is set to Z_ERRNO and the application may consult errno - * to get the exact error code. - */ - const char* error(int* errnum) { - return ::gzerror(m_fp, errnum); - } - - gzFile fp() { return m_fp; } - - private: - gzFile m_fp; -}; - -/* - * Binary read the given (array of) object(s) from the compressed file. - * If the input file was not in gzip format, read() copies the objects number - * of bytes into the buffer. - * returns the number of uncompressed bytes actually read - * (0 for end of file, -1 for error). - */ -template -inline int read(izstream& zs, T* x, Items items) { - return ::gzread(zs.fp(), x, items*sizeof(T)); -} - -/* - * Binary input with the '>' operator. - */ -template -inline izstream& operator>(izstream& zs, T& x) { - ::gzread(zs.fp(), &x, sizeof(T)); - return zs; -} - - -inline zstringlen::zstringlen(izstream& zs) { - zs > val.byte; - if (val.byte == 255) zs > val.word; - else val.word = val.byte; -} - -/* - * Read length of string + the string with the '>' operator. - */ -inline izstream& operator>(izstream& zs, char* x) { - zstringlen len(zs); - ::gzread(zs.fp(), x, len.value()); - x[len.value()] = '\0'; - return zs; -} - -inline char* read_string(izstream& zs) { - zstringlen len(zs); - char* x = new char[len.value()+1]; - ::gzread(zs.fp(), x, len.value()); - x[len.value()] = '\0'; - return x; -} - -// ----------------------------- ozstream ----------------------------- - -class ozstream -{ - public: - ozstream() : m_fp(0), m_os(0) { - } - ozstream(FILE* fp, int level = Z_DEFAULT_COMPRESSION) - : m_fp(0), m_os(0) { - open(fp, level); - } - ozstream(const char* name, int level = Z_DEFAULT_COMPRESSION) - : m_fp(0), m_os(0) { - open(name, level); - } - ~ozstream() { - close(); - } - - /* Opens a gzip (.gz) file for writing. - * The compression level parameter should be in 0..9 - * errno can be checked to distinguish two error cases - * (if errno is zero, the zlib error is Z_MEM_ERROR). - */ - void open(const char* name, int level = Z_DEFAULT_COMPRESSION) { - char mode[4] = "wb\0"; - if (level != Z_DEFAULT_COMPRESSION) mode[2] = '0'+level; - if (m_fp) close(); - m_fp = ::gzopen(name, mode); - } - - /* open from a FILE pointer. - */ - void open(FILE* fp, int level = Z_DEFAULT_COMPRESSION) { - SET_BINARY_MODE(fp); - char mode[4] = "wb\0"; - if (level != Z_DEFAULT_COMPRESSION) mode[2] = '0'+level; - if (m_fp) close(); - m_fp = ::gzdopen(fileno(fp), mode); - } - - /* Flushes all pending output if necessary, closes the compressed file - * and deallocates all the (de)compression state. The return value is - * the zlib error number (see function error() below). - */ - int close() { - if (m_os) { - ::gzwrite(m_fp, m_os->str(), m_os->pcount()); - delete[] m_os->str(); delete m_os; m_os = 0; - } - int r = ::gzclose(m_fp); m_fp = 0; return r; - } - - /* Binary write the given number of bytes into the compressed file. - */ - int write(const void* buf, size_t len) { - return ::gzwrite(m_fp, (voidp) buf, len); - } - - /* Flushes all pending output into the compressed file. The parameter - * _flush is as in the deflate() function. The return value is the zlib - * error number (see function gzerror below). flush() returns Z_OK if - * the flush_ parameter is Z_FINISH and all output could be flushed. - * flush() should be called only when strictly necessary because it can - * degrade compression. - */ - int flush(int _flush) { - os_flush(); - return ::gzflush(m_fp, _flush); - } - - /* Returns the error message for the last error which occurred on the - * given compressed file. errnum is set to zlib error number. If an - * error occurred in the file system and not in the compression library, - * errnum is set to Z_ERRNO and the application may consult errno - * to get the exact error code. - */ - const char* error(int* errnum) { - return ::gzerror(m_fp, errnum); - } - - gzFile fp() { return m_fp; } - - ostream& os() { - if (m_os == 0) m_os = new ostrstream; - return *m_os; - } - - void os_flush() { - if (m_os && m_os->pcount()>0) { - ostrstream* oss = new ostrstream; - oss->fill(m_os->fill()); - oss->flags(m_os->flags()); - oss->precision(m_os->precision()); - oss->width(m_os->width()); - ::gzwrite(m_fp, m_os->str(), m_os->pcount()); - delete[] m_os->str(); delete m_os; m_os = oss; - } - } - - private: - gzFile m_fp; - ostrstream* m_os; -}; - -/* - * Binary write the given (array of) object(s) into the compressed file. - * returns the number of uncompressed bytes actually written - * (0 in case of error). - */ -template -inline int write(ozstream& zs, const T* x, Items items) { - return ::gzwrite(zs.fp(), (voidp) x, items*sizeof(T)); -} - -/* - * Binary output with the '<' operator. - */ -template -inline ozstream& operator<(ozstream& zs, const T& x) { - ::gzwrite(zs.fp(), (voidp) &x, sizeof(T)); - return zs; -} - -inline zstringlen::zstringlen(ozstream& zs, const char* x) { - val.byte = 255; val.word = ::strlen(x); - if (val.word < 255) zs < (val.byte = val.word); - else zs < val; -} - -/* - * Write length of string + the string with the '<' operator. - */ -inline ozstream& operator<(ozstream& zs, const char* x) { - zstringlen len(zs, x); - ::gzwrite(zs.fp(), (voidp) x, len.value()); - return zs; -} - -#ifdef _MSC_VER -inline ozstream& operator<(ozstream& zs, char* const& x) { - return zs < (const char*) x; -} -#endif - -/* - * Ascii write with the << operator; - */ -template -inline ostream& operator<<(ozstream& zs, const T& x) { - zs.os_flush(); - return zs.os() << x; -} - -#endif -- cgit v1.1