src/bfile_heuristics.h

/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. 
 * Copyright 2018 Mike Becker. All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * 
 * 1. Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 * 
 * 2. Redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef BFILE_HEURISTICS_H_
#define BFILE_HEURISTICS_H_

#include "stdinc.h"

#define BFILE_IGNORE           0x00
#define BFILE_LOW_ACCURACY     0x01
#define BFILE_MEDIUM_ACCURACY  0x02
#define BFILE_HIGH_ACCURACY    0x04

typedef struct {
  unsigned int level;
  unsigned int bcount; /* 'binary' character count */
  unsigned int tcount; /* total count */
} bfile_heuristics_t;

#ifdef _cplusplus
extern "C" {
#endif

bfile_heuristics_t *new_bfile_heuristics_t();
void destroy_bfile_heuristics_t(bfile_heuristics_t *def);
void bfile_reset(bfile_heuristics_t *def);
bool bfile_check(bfile_heuristics_t *def, int next_char);

#ifdef _cplusplus
}
#endif

#endif /* BFILE_HEURISTICS_H_ */