naka/include/display.h

#ifndef _DISPLAY_H
#define _DISPLAY_H

#include <stdio.h>

#include "macros.h"
#include "ints.h"
#include "slice.h"

typedef enum display_kind {
	DISPK_NORMAL = 0,
	DISPK_CSV,
	DISPK_BINARY,
	DISPK_INI,
} dispkind_t;

#define X(n) AS(1lu << (n), usize)
typedef enum display_flags {
	// Show the number (index) of they haystack matched
	DISPF_SHOW_NUMBER =	X(0),
	// Show the slice
	DISPF_SHOW_SLICE  =	X(1),
	// Show the length of the slice
	DISPF_SHOW_LENGTH =	X(2),
	// Show failed matches
	DISPF_SHOW_FAILURES =	X(3),
} dispflags_t;
#define DISPLAY_FLAGS_DEFAULT (DISPF_SHOW_SLICE | DISPF_SHOW_NUMBER | DISPF_SHOW_FAILURES)
#undef X

typedef struct {	
	bool matched;
	slice_t cslice;
	const void* base;
	usize index;
} dispin_t;

void display_result(FILE* output, dispin_t input, dispkind_t how, dispflags_t flags);

#endif /* _DISPLAY_H */