135 lines
3.5 KiB
C++
135 lines
3.5 KiB
C++
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/* Release 3.10 */
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/*-------------------------------------------------------------------------*
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* *
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* FSTREAM.HPP - header file for file stream input and output. *
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* *
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* COPYRIGHT (C) 1990..1992 Clarion Software Corporation *
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* All Rights Reserved *
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* *
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*--------------------------------------------------------------------------*/
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#include <stdepoc.h>
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#ifndef __FSTREAM_INC_
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#define __FSTREAM_INC_
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#include <iostream.hpp>
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class filebuf : public streambuf {
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public:
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static const int openprot;
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filebuf();
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filebuf(int);
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filebuf(int _f, char*, int);
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~filebuf();
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int is_open();
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int fd();
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filebuf* open(const char*, int, int = filebuf::openprot);
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filebuf* close();
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filebuf* attach(int);
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virtual int overflow(int = EOF);
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virtual int underflow();
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virtual int sync();
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virtual streampos seekoff(streamoff, ios::seek_dir, int);
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virtual streambuf* setbuf(char*, int);
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protected:
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int last_op();
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int xfd;
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int mode;
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short opened;
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streampos last_seek;
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char* in_start;
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char lahead[2];
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};
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inline int filebuf::is_open() { return opened; }
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inline int filebuf::fd() { return xfd; }
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class fstreambase : virtual public ios {
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public:
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fstreambase();
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fstreambase(const char*, int, int = filebuf::openprot);
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fstreambase(int);
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fstreambase(int _f, char*, int);
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~fstreambase();
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void open(const char*, int, int = filebuf::openprot);
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void attach(int);
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void close();
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void setbuf(char*, int);
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filebuf* rdbuf();
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private:
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filebuf buf;
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};
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inline filebuf* fstreambase::rdbuf() { return &buf; }
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class ifstream : public fstreambase, public istream {
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public:
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ifstream();
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ifstream(const char*, int = ios::in, int = filebuf::openprot);
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ifstream(int);
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ifstream(int _f, char*, int);
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~ifstream();
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filebuf* rdbuf();
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void open(const char*, int = ios::in, int = filebuf::openprot);
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};
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inline filebuf* ifstream::rdbuf() { return fstreambase::rdbuf(); }
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inline void ifstream::open(const char* name, int m, int prot) {
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fstreambase::open(name, m | ios::in, prot); }
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class ofstream : public fstreambase, public ostream {
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public:
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ofstream();
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ofstream(const char*, int = ios::out, int = filebuf::openprot);
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ofstream(int);
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ofstream(int _f, char*, int);
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~ofstream();
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filebuf* rdbuf();
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void open(const char*, int = ios::out, int = filebuf::openprot);
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};
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inline filebuf* ofstream::rdbuf() { return fstreambase::rdbuf(); }
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inline void ofstream::open(const char* name, int m, int prot) {
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fstreambase::open(name, m | ios::out, prot); }
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class fstream : public fstreambase, public iostream {
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public:
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fstream();
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fstream(const char*, int, int = filebuf::openprot);
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fstream(int);
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fstream(int _f, char*, int);
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~fstream();
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filebuf* rdbuf();
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void open(const char *, int, int = filebuf::openprot);
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};
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inline filebuf* fstream::rdbuf() { return fstreambase::rdbuf(); }
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inline void fstream::open(const char* name, int m, int prot) {
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fstreambase::open(name, m, prot); }
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#endif
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