boinc/lib/miofile.h

// $Id$
//
// The contents of this file are subject to the BOINC Public License
// Version 1.0 (the "License"); you may not use this file except in
// compliance with the License. You may obtain a copy of the License at
// http://boinc.berkeley.edu/license_1.0.txt
// 
// Software distributed under the License is distributed on an "AS IS"
// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
// License for the specific language governing rights and limitations
// under the License. 
// 
// The Original Code is the Berkeley Open Infrastructure for Network Computing. 
// 
// The Initial Developer of the Original Code is the SETI@home project.
// Portions created by the SETI@home project are Copyright (C) 2002
// University of California at Berkeley. All Rights Reserved. 
// 
// Contributor(s):
//

#ifndef _MIOFILE_
#define _MIOFILE_

#ifndef _WIN32
#include <string>
#endif

#include "mfile.h"

// MIOFILE lets you do formatted I/O to either a FILE or a memory buffer,
// depending on how you initialize it.
//
// output:
//  init_file(): output goes to the FILE* that you specify
//  init_mfile(): output goes to an MFILE (i.e. a memory buffer);
//     you can call MFILE::get_buf() to get the results
// input:
//  init_file(): input comes from the FILE* that you specify
//  init_buf(): input comes from the buffer you specify.
//   This string is not modified.
//
// Why is this here?  Because on Windows (9x, maybe all)
// you can't do fdopen() on a socket.

class MIOFILE {
public:
    MIOFILE();
    ~MIOFILE();
    void init_mfile(MFILE*);
    void init_file(FILE*);
    void init_buf(char*);
    int printf(const char* format, ...);
    char* fgets(char*, int);
private:
    MFILE* mf;
    FILE* f;
    char* buf;
};

extern int copy_element_contents(MIOFILE& in, const char* end_tag, char* p, int len);
extern int copy_element_contents(MIOFILE& in, const char* end_tag, std::string&);

#endif