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88 lines
3.2 KiB
88 lines
3.2 KiB
// This file is part of Jiffy released under the MIT license.
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// See the LICENSE file for more information.
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#ifndef JIFFY_H
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#define JIFFY_H
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#include "erl_nif.h"
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#define DEFAULT_BYTES_PER_REDUCTION 20
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#define DEFAULT_ERLANG_REDUCTION_COUNT 2000
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#define MAP_TYPE_PRESENT \
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((ERL_NIF_MAJOR_VERSION == 2 && ERL_NIF_MINOR_VERSION >= 6) \
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|| (ERL_NIF_MAJOR_VERSION > 2))
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#define CONSUME_TIMESLICE_PRESENT \
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((ERL_NIF_MAJOR_VERSION >= 2 && ERL_NIF_MINOR_VERSION >= 4))
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#define SCHEDULE_NIF_PRESENT \
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((ERL_NIF_MAJOR_VERSION >= 2 && ERL_NIF_MINOR_VERSION >= 7))
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typedef struct {
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ERL_NIF_TERM atom_ok;
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ERL_NIF_TERM atom_error;
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ERL_NIF_TERM atom_null;
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ERL_NIF_TERM atom_true;
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ERL_NIF_TERM atom_false;
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ERL_NIF_TERM atom_bignum;
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ERL_NIF_TERM atom_bignum_e;
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ERL_NIF_TERM atom_bigdbl;
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ERL_NIF_TERM atom_partial;
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ERL_NIF_TERM atom_uescape;
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ERL_NIF_TERM atom_pretty;
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ERL_NIF_TERM atom_force_utf8;
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ERL_NIF_TERM atom_iter;
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ERL_NIF_TERM atom_bytes_per_iter;
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ERL_NIF_TERM atom_bytes_per_red;
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ERL_NIF_TERM atom_return_maps;
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ERL_NIF_TERM atom_return_trailer;
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ERL_NIF_TERM atom_has_trailer;
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ERL_NIF_TERM atom_nil;
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ERL_NIF_TERM atom_use_nil;
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ERL_NIF_TERM atom_null_term;
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ERL_NIF_TERM atom_escape_forward_slashes;
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ERL_NIF_TERM atom_dedupe_keys;
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ERL_NIF_TERM atom_copy_strings;
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ERL_NIF_TERM ref_object;
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ERL_NIF_TERM ref_array;
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ErlNifResourceType* res_dec;
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ErlNifResourceType* res_enc;
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} jiffy_st;
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ERL_NIF_TERM make_atom(ErlNifEnv* env, const char* name);
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ERL_NIF_TERM make_ok(jiffy_st* st, ErlNifEnv* env, ERL_NIF_TERM data);
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ERL_NIF_TERM make_error(jiffy_st* st, ErlNifEnv* env, const char* error);
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ERL_NIF_TERM make_obj_error(jiffy_st* st, ErlNifEnv* env, const char* error,
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ERL_NIF_TERM obj);
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int get_bytes_per_iter(ErlNifEnv* env, ERL_NIF_TERM val, size_t* bpi);
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int get_bytes_per_red(ErlNifEnv* env, ERL_NIF_TERM val, size_t* bpr);
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int get_null_term(ErlNifEnv* env, ERL_NIF_TERM val, ERL_NIF_TERM *null_term);
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int should_yield(size_t used, size_t bytes_per_red);
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void bump_used_reds(ErlNifEnv* env, size_t used, size_t bytes_per_red);
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ERL_NIF_TERM decode_init(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
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ERL_NIF_TERM decode_iter(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
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ERL_NIF_TERM encode_init(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
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ERL_NIF_TERM encode_iter(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
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void dec_destroy(ErlNifEnv* env, void* obj);
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void enc_destroy(ErlNifEnv* env, void* obj);
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int make_object(ErlNifEnv* env, ERL_NIF_TERM pairs, ERL_NIF_TERM* out,
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int ret_map, int dedupe_keys);
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int int_from_hex(const unsigned char* p);
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int int_to_hex(int val, unsigned char* p);
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int utf8_len(int c);
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int utf8_esc_len(int c);
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int utf8_validate(unsigned char* data, size_t size);
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int utf8_to_unicode(unsigned char* buf, size_t size);
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int unicode_to_utf8(int c, unsigned char* buf);
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int unicode_from_pair(int hi, int lo);
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int unicode_uescape(int c, unsigned char* buf);
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int double_to_shortest(unsigned char *buf, size_t size, size_t* len, double val);
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#endif // Included JIFFY_H
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