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/*
* Copyright (C) NGINX, Inc.
*/
#ifndef _NXT_VAR_H_INCLUDED_
#define _NXT_VAR_H_INCLUDED_
typedef struct nxt_var_s nxt_var_t;
typedef struct nxt_var_query_s nxt_var_query_t;
typedef nxt_int_t (*nxt_var_handler_t)(nxt_task_t *task,
nxt_var_query_t *query,
nxt_str_t *str,
void *ctx);
typedef struct {
nxt_str_t name;
nxt_var_handler_t handler;
uint32_t index;
} nxt_var_decl_t;
nxt_inline nxt_bool_t
nxt_is_var(nxt_str_t *str)
{
return (nxt_memchr(str->start, '$', str->length) != NULL);
}
void nxt_var_raw(nxt_var_t *var, nxt_str_t *str);
nxt_bool_t nxt_var_is_const(nxt_var_t *var);
nxt_int_t nxt_var_register(nxt_var_decl_t *decl, size_t n);
nxt_int_t nxt_var_index_init(void);
nxt_var_t *nxt_var_compile(nxt_str_t *str, nxt_mp_t *mp, nxt_bool_t strz);
nxt_int_t nxt_var_test(nxt_str_t *str, u_char *error);
nxt_int_t nxt_var_query_init(nxt_var_query_t **query_p, void *ctx,
nxt_mp_t *mp);
void nxt_var_query(nxt_task_t *task, nxt_var_query_t *query,
nxt_var_t *var, nxt_str_t *str);
void nxt_var_query_resolve(nxt_task_t *task, nxt_var_query_t *query, void *data,
nxt_work_handler_t ready, nxt_work_handler_t error);
void nxt_var_query_handle(nxt_task_t *task, nxt_var_query_t *query,
nxt_bool_t failed);
#endif /* _NXT_VAR_H_INCLUDED_ */
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