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/*
* Copyright (C) NGINX, Inc.
*/
#ifndef _NXT_TSTR_H_INCLUDED_
#define _NXT_TSTR_H_INCLUDED_
#include <nxt_js.h>
typedef struct nxt_tstr_s nxt_tstr_t;
typedef struct nxt_tstr_query_s nxt_tstr_query_t;
struct nxt_tstr_state_s {
nxt_mp_t *pool;
nxt_array_t *var_refs;
#if (NXT_HAVE_NJS)
nxt_js_conf_t *jcf;
#endif
uint8_t test; /* 1 bit */
};
typedef struct {
nxt_var_cache_t var;
#if (NXT_HAVE_NJS)
nxt_js_cache_t js;
#endif
} nxt_tstr_cache_t;
typedef enum {
NXT_TSTR_STRZ = 1 << 0,
NXT_TSTR_LOGGING = 1 << 1,
} nxt_tstr_flags_t;
typedef struct {
nxt_tstr_t *expr;
uint8_t negate; /* 1 bit */
} nxt_tstr_cond_t;
nxt_tstr_state_t *nxt_tstr_state_new(nxt_mp_t *mp, nxt_bool_t test);
nxt_tstr_t *nxt_tstr_compile(nxt_tstr_state_t *state, const nxt_str_t *str,
nxt_tstr_flags_t flags);
nxt_int_t nxt_tstr_test(nxt_tstr_state_t *state, nxt_str_t *str, u_char *error);
nxt_int_t nxt_tstr_state_done(nxt_tstr_state_t *state, u_char *error);
void nxt_tstr_state_release(nxt_tstr_state_t *state);
nxt_int_t nxt_tstr_cond_compile(nxt_tstr_state_t *state, nxt_str_t *str,
nxt_tstr_cond_t *cond);
nxt_bool_t nxt_tstr_is_const(nxt_tstr_t *tstr);
void nxt_tstr_str(nxt_tstr_t *tstr, nxt_str_t *str);
nxt_int_t nxt_tstr_query_init(nxt_tstr_query_t **query_p,
nxt_tstr_state_t *state, nxt_tstr_cache_t *cache, void *ctx,
nxt_mp_t *mp);
nxt_int_t nxt_tstr_query(nxt_task_t *task, nxt_tstr_query_t *query,
nxt_tstr_t *tstr, nxt_str_t *val);
void nxt_tstr_query_release(nxt_tstr_query_t *query);
nxt_inline nxt_bool_t
nxt_is_tstr(nxt_str_t *str)
{
u_char *p;
p = memchr(str->start, '`', str->length);
if (p != NULL) {
return 1;
}
p = memchr(str->start, '$', str->length);
if (p != NULL) {
return 1;
}
return 0;
}
#endif /* _NXT_TSTR_H_INCLUDED_ */
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