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// This file is part of Jiffy released under the MIT license.
// See the LICENSE file for more information.
#ifndef JIFFY_H
#define JIFFY_H
#include "erl_nif.h"
#define DEFAULT_BYTES_PER_ITER 2048
#define MAP_TYPE_PRESENT \
((ERL_NIF_MAJOR_VERSION == 2 && ERL_NIF_MINOR_VERSION >= 6) \
|| (ERL_NIF_MAJOR_VERSION > 2))
typedef struct {
ERL_NIF_TERM atom_ok;
ERL_NIF_TERM atom_error;
ERL_NIF_TERM atom_null;
ERL_NIF_TERM atom_true;
ERL_NIF_TERM atom_false;
ERL_NIF_TERM atom_bignum;
ERL_NIF_TERM atom_bignum_e;
ERL_NIF_TERM atom_bigdbl;
ERL_NIF_TERM atom_partial;
ERL_NIF_TERM atom_uescape;
ERL_NIF_TERM atom_pretty;
ERL_NIF_TERM atom_force_utf8;
ERL_NIF_TERM atom_iter;
ERL_NIF_TERM atom_bytes_per_iter;
ERL_NIF_TERM atom_return_maps;
ERL_NIF_TERM atom_nil;
ERL_NIF_TERM atom_use_nil;
ERL_NIF_TERM atom_null_term;
ERL_NIF_TERM ref_object;
ERL_NIF_TERM ref_array;
ErlNifResourceType* res_dec;
ErlNifResourceType* res_enc;
} jiffy_st;
ERL_NIF_TERM make_atom(ErlNifEnv* env, const char* name);
ERL_NIF_TERM make_ok(jiffy_st* st, ErlNifEnv* env, ERL_NIF_TERM data);
ERL_NIF_TERM make_error(jiffy_st* st, ErlNifEnv* env, const char* error);
ERL_NIF_TERM make_obj_error(jiffy_st* st, ErlNifEnv* env, const char* error,
ERL_NIF_TERM obj);
int get_bytes_per_iter(ErlNifEnv* env, ERL_NIF_TERM val, size_t* bpi);
int get_null_term(ErlNifEnv* env, ERL_NIF_TERM val, ERL_NIF_TERM *null_term);
int should_yield(size_t used, size_t limit);
int consume_timeslice(ErlNifEnv* env, size_t used, size_t limit);
ERL_NIF_TERM decode_init(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
ERL_NIF_TERM decode_iter(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
ERL_NIF_TERM encode_init(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
ERL_NIF_TERM encode_iter(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
void dec_destroy(ErlNifEnv* env, void* obj);
void enc_destroy(ErlNifEnv* env, void* obj);
int int_from_hex(const unsigned char* p);
int int_to_hex(int val, char* p);
int utf8_len(int c);
int utf8_esc_len(int c);
int utf8_validate(unsigned char* data, size_t size);
int utf8_to_unicode(unsigned char* buf, size_t size);
int unicode_to_utf8(int c, unsigned char* buf);
int unicode_from_pair(int hi, int lo);
int unicode_uescape(int c, char* buf);
int double_to_shortest(char *buf, size_t size, size_t* len, double val);
#endif // Included JIFFY_H