1 2 /* 3 * Copyright (C) NGINX, Inc. 4 */ 5 6 #ifndef _NXT_VAR_H_INCLUDED_ 7 #define _NXT_VAR_H_INCLUDED_ 8 9 10 typedef struct nxt_var_s nxt_var_t; 11 typedef struct nxt_var_query_s nxt_var_query_t; 12 13 14 typedef nxt_int_t (*nxt_var_handler_t)(nxt_task_t *task, 15 nxt_str_t *str, 16 void *ctx, uint16_t field); 17 18 typedef int64_t (*nxt_var_field_hash_t)(nxt_mp_t *mp, nxt_str_t *str); 19 20 typedef struct { 21 nxt_str_t name; 22 nxt_var_handler_t handler; 23 nxt_var_field_hash_t field_hash; 24 uint32_t index; 25 } nxt_var_decl_t; 26 27 28 typedef struct { 29 nxt_str_t name; 30 uint16_t hash; 31 uint32_t index; 32 } nxt_var_field_t; 33 34 35 typedef struct { 36 nxt_mp_t *pool; 37 nxt_lvlhsh_t hash; 38 nxt_str_t *spare; 39 } nxt_var_cache_t; 40 41 42 nxt_int_t nxt_var_register(nxt_var_decl_t *decl, size_t n); 43 nxt_int_t nxt_var_index_init(void); 44 45 nxt_var_field_t *nxt_var_field_get(nxt_array_t *fields, uint16_t index); 46 47 nxt_var_t *nxt_var_compile(nxt_str_t *str, nxt_mp_t *mp, nxt_array_t *fields); 48 nxt_int_t nxt_var_test(nxt_str_t *str, nxt_array_t *fields, u_char *error); 49 50 nxt_int_t nxt_var_interpreter(nxt_task_t *task, nxt_var_cache_t *cache, 51 nxt_var_t *var, nxt_str_t *str, void *ctx, nxt_bool_t logging); 52 nxt_str_t *nxt_var_get(nxt_task_t *task, nxt_var_cache_t *cache, 53 nxt_str_t *name, void *ctx); 54 55 56 #endif /* _NXT_VAR_H_INCLUDED_ */ 57