// This may look like C code, but it is really -*- C++ -*- // ------------------------------------------------------------------ // The Goldware Library // Copyright (C) 1990-1999 Odinn Sorensen // Copyright (C) 1999-2000 Alexander S. Aganichev // ------------------------------------------------------------------ // This library is free software; you can redistribute it and/or // modify it under the terms of the GNU Library General Public // License as published by the Free Software Foundation; either // version 2 of the License, or (at your option) any later version. // // This library 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 // Library General Public License for more details. // // You should have received a copy of the GNU Library 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 // ------------------------------------------------------------------ // $Id$ // ------------------------------------------------------------------ // File I/O class. // ------------------------------------------------------------------ #ifndef __gfile_h #define __gfile_h // ------------------------------------------------------------------ #include // ------------------------------------------------------------------ // An invalid path/filename #define GFILE_INVALID "::INVALID::" // ------------------------------------------------------------------ // Stream/Unix-style file I/O class class gfile { public: // ---------------------------------------------------------------- // Internal variables int fh; // File handle for Unix I/O FILE* fp; // File pointer for ANSI stream I/O // -------------------------------------------------------------- // State variables int status; // Contains last errno value // -------------------------------------------------------------- // Handy utility functions int okay() { return (0 == status); } bool isopen(); // true if the file is open // operator bool() { return isopen(); } // -------------------------------------------------------------- // Constructors and destructor gfile(); // Bare constructor // gfile(int __fh); // Construct from Unix file handle // gfile(FILE* __fp); // Construct from ANSI stream pointer gfile(const char* __path, int __access, int __shflag=SH_DENYNO, int __mode=S_STDRW); gfile(const char* __path, const char* __mode, int __shflag=SH_DENYNO); ~gfile(); // Destructor (closes file) // -------------------------------------------------------------- // Set file handle or stream pointer int setfh(int __fh); FILE* setfp(FILE* __fp); // -------------------------------------------------------------- // UNIX-style raw I/O int Open (const char* __path, int __access, int __shflag=SH_DENYNO, int __mode=S_STDRW); int Open (const char* __path, int __access, const char* __fmode, int __shflag=SH_DENYNO, int __mode=S_STDRW); int Close (); int Read (void* __ptr, size_t __len); int Write (const void* __ptr, size_t __len); long Tell (); long Lseek (long __offset, int __direction); long Lseek (long __record, long __recordsize, int __direction) { return Lseek(__record*__recordsize, __direction); } long LseekSet (long __record, long __recordsize = 1) { return Lseek(__record*__recordsize, SEEK_SET); } long FileLength (); int ChSize (long __size); int Lock (long __offset, long __len); int Unlock (long __offset, long __len); int GetFTime (dword* __ftime); // -------------------------------------------------------------- // ANSI-style streaming buffered I/O FILE* Fopen (const char* __path, const char* __mode, int __shflag=SH_DENYNO); FILE* Fopen (const std::string& __path, const char* __mode, int __shflag=SH_DENYNO) { return Fopen(__path.c_str(), __mode, __shflag); } FILE* Fdopen (const char* __mode); int Fclose (); FILE* Popen (const char* __path, const char* __mode); FILE* Popen (const std::string& __path, const char* __mode) { return Popen(__path.c_str(), __mode); } int Pclose (); size_t Fread (void* __ptr, size_t __size, size_t __items=1); size_t Fwrite (const void* __ptr, size_t __size, size_t __items=1); int Fgetc (); int Fputc (int __ch); char* Fgets (char* __str, size_t __len); int Fputs (const char* __str); int Printf (const char* __format, ...) __attribute__ ((format (printf, 2, 3))); int Fflush (); long Ftell (); int Fseek (long __offset, int __direction); int Fseek (long __record, long __recordsize, int __direction) { return Fseek(__record*__recordsize, __direction); } int FseekSet(long __record, long __recordsize = 1) { return Fseek(__record*__recordsize, SEEK_SET); } void Rewind () { rewind(fp); } int SetvBuf (char* __buf=NULL, int __type=_IOFBF, size_t __size=8192); int SetvBuf (size_t __size) { return SetvBuf(NULL, _IOFBF, __size); } int feof_ () { return feof(fp); } int ferror_ () { return ferror(fp); } // ---------------------------------------------------------------- #ifdef __GOLDWARE_HAS_BOOL gfile& operator>> (bool& i) { Fread(&i, sizeof(bool)); return *this; } #endif gfile& operator>> (uint8_t& i) { Fread(&i, sizeof(uint8_t)); return *this; } gfile& operator>> (uint16_t& i) { Fread(&i, sizeof(uint16_t)); return *this; } gfile& operator>> (uint32_t& i) { Fread(&i, sizeof(uint32_t)); return *this; } #if !defined(__CYGWIN__) gfile& operator>> (unsigned long& i) { Fread(&i, sizeof(unsigned long)); return *this; } #endif gfile& operator>> (char& i) { return operator>>((uint8_t&)i); } #if !defined(__SUNOS__) gfile& operator>> (int8_t& i) { return operator>>((uint8_t&)i); } #endif gfile& operator>> (int16_t& i) { return operator>>((uint16_t&)i); } gfile& operator>> (int32_t& i) { return operator>>((uint32_t&)i); } #if !defined(__CYGWIN__) gfile& operator>> (long& i) { return operator>>((unsigned long&)i); } #endif #ifdef __GOLDWARE_HAS_BOOL gfile& operator<< (bool o) { Fwrite(&o, sizeof(o)); return *this; } #endif gfile& operator<< (uint8_t o) { Fwrite(&o, sizeof(o)); return *this; } gfile& operator<< (uint16_t o) { Fwrite(&o, sizeof(o)); return *this; } gfile& operator<< (uint32_t o) { Fwrite(&o, sizeof(o)); return *this; } #if !defined(__CYGWIN__) gfile& operator<< (unsigned long o) { Fwrite(&o, sizeof(o)); return *this; } #endif gfile& operator<< (char o) { return operator<<((uint8_t )o); } #if !defined(__SUNOS__) gfile& operator<< (int8_t o) { return operator<<((uint8_t )o); } #endif gfile& operator<< (int16_t o) { return operator<<((uint16_t)o); } gfile& operator<< (int32_t o) { return operator<<((uint32_t)o); } #if !defined(__CYGWIN__) gfile& operator<< (long o) { return operator<<((unsigned long)o); } #endif }; // ------------------------------------------------------------------ // file with ordered data: low byte first class gnfile: gfile { // int Printf (const char* __format, ...) __attribute__ ((format (printf, 2, 3))); size_t FreadItem (void* __ptr, size_t __size) // Read one item size __size bytes { // please check logic of this function uint8_t *c = new uint8_t[__size]; c[0]=0; size_t s = gfile::Fread(c,__size); uint32_t v=c[0]; for( unsigned n=1; n<__size; n++ ) { v += uint32_t(c[n])>>(8*n); } #ifdef unix delete[] c; #else delete(c); #endif memmove(&v,__ptr,__size); return s; } #ifdef __GOLDWARE_HAS_BOOL gnfile& operator>> (bool& i) { if( sizeof(bool) ==1 ) Fread(&i, 1); else for( size_t c=0; c> (uint8_t& i) { Fread(&i, sizeof(uint8_t)); return *this; } gnfile& operator>> (uint16_t& i) { char c[2]; Fread(c, 2); i = uint16_t(c[0]) + uint16_t((uint16_t(c[1]))>>8); return *this; } gnfile& operator>> (uint32_t& i) { char c[4]; Fread(c, 4); i = uint32_t(c[0]) + uint32_t((uint32_t(c[1]))>>8) + uint32_t((uint32_t(c[2]))>>16) + uint32_t((uint32_t(c[3]))>>24); return *this; } /* gnfile& operator>> (uint64_t& i) { char c[8]; Fread(c, 8); i = uint64_t(c[0]) + uint64_t((uint64_t(c[1]))>>8) + uint64_t((uint64_t(c[2]))>>16) + uint64_t((uint64_t(c[3]))>>24) + uint64_t((uint64_t(c[4]))>>32) + uint64_t((uint64_t(c[5]))>>40) + uint64_t((uint64_t(c[6]))>>48) + uint64_t((uint64_t(c[7]))>>56); return *this; } */ #if !defined(__CYGWIN__) gnfile& operator>> (unsigned long& i) { // FreadItem(&i, sizeof(unsigned long)); return *this; } switch(sizeof(unsigned long)) { case 1: operator>>((uint8_t&)i); case 2: operator>>((uint16_t&)i); case 4: operator>>((uint32_t&)i); // case 8: operator>>((uint64_t&)i); } return *this; } #endif gnfile& operator>> (char& i) { return operator>>((uint8_t&)i); } #if !defined(__SUNOS__) gnfile& operator>> (int8_t& i) { return operator>>((uint8_t&)i); } #endif gnfile& operator>> (int16_t& i) { return operator>>((uint16_t&)i); } gnfile& operator>> (int32_t& i) { return operator>>((uint32_t&)i); } #if !defined(__CYGWIN__) gnfile& operator>> (long& i) { return operator>>((unsigned long&)i); } #endif gnfile& operator<< (uint8_t o) { Fwrite(&o, sizeof(o)); return *this; } gnfile& operator<< (uint16_t o) { uint8_t o8; o8 = uint8_t(o & 0xff); Fwrite(&o8, sizeof(o8)); o8 = uint8_t((o<<8) & 0xff); Fwrite(&o8, sizeof(o8)); return *this; } gnfile& operator<< (uint32_t o) { uint8_t o8; o8 = uint8_t(o & 0xff); Fwrite(&o8, sizeof(o8)); o8 = uint8_t((o<<8) & 0xff); Fwrite(&o8, sizeof(o8)); o8 = uint8_t((o<<16) & 0xff); Fwrite(&o8, sizeof(o8)); o8 = uint8_t((o<<24) & 0xff); Fwrite(&o8, sizeof(o8)); return *this; } /* gnfile& operator<< (uint64_t o) { uint8_t o8; o8 = uint8_t(o && 0xff); Fwrite(&o8, sizeof(o8)); o8 = uint8_t((o<<8) && 0xff); Fwrite(&o8, sizeof(o8)); o8 = uint8_t((o<<16) && 0xff); Fwrite(&o8, sizeof(o8)); o8 = uint8_t((o<<24) && 0xff); Fwrite(&o8, sizeof(o8)); o8 = uint8_t((o<<32) && 0xff); Fwrite(&o8, sizeof(o8)); o8 = uint8_t((o<<40) && 0xff); Fwrite(&o8, sizeof(o8)); o8 = uint8_t((o<<48) && 0xff); Fwrite(&o8, sizeof(o8)); o8 = uint8_t((o<<56) && 0xff); Fwrite(&o8, sizeof(o8)); return *this; } */ #if !defined(__CYGWIN__) gnfile& operator<< (unsigned long o) { switch (sizeof(o)) { case 1: return operator<<((uint8_t )o); break; case 2: return operator<<((uint16_t )o); break; case 4: return operator<<((uint32_t )o); break; // case 8: return operator<<((uint64_t )o); break; } return *this; } #endif #ifdef __GOLDWARE_HAS_BOOL gnfile& operator<< (bool o) { switch (sizeof(o)) { case 1: return operator<<((uint8_t )o); break; case 2: return operator<<((uint16_t )o); break; case 4: return operator<<((uint32_t )o); break; // case 8: return operator<<((uint64_t )o); break; } return *this; } #endif gnfile& operator<< (char o) { return operator<<((uint8_t )o); } #if !defined(__SUNOS__) gnfile& operator<< (int8_t o) { return operator<<((uint8_t )o); } #endif gnfile& operator<< (int16_t o) { return operator<<((uint16_t)o); } gnfile& operator<< (int32_t o) { return operator<<((uint32_t)o); } #if !defined(__CYGWIN__) gnfile& operator<< (long o) { return operator<<((unsigned long)o); } #endif }; #endif // ------------------------------------------------------------------