c61ccec7b4
This commit is to reimplement the variables with an unknown field
such as $header_{name} to make the parsing more generic,
it's a preparation for supporting response header variables.
70 lines
1.8 KiB
C
70 lines
1.8 KiB
C
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/*
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* Copyright (C) NGINX, Inc.
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*/
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#ifndef _NXT_VAR_H_INCLUDED_
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#define _NXT_VAR_H_INCLUDED_
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typedef struct nxt_var_s nxt_var_t;
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typedef struct nxt_var_query_s nxt_var_query_t;
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typedef nxt_int_t (*nxt_var_handler_t)(nxt_task_t *task,
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nxt_str_t *str,
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void *ctx, void *data);
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typedef int64_t (*nxt_var_field_hash_t)(nxt_mp_t *mp, nxt_str_t *str);
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typedef struct {
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nxt_str_t name;
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nxt_var_handler_t handler;
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uint8_t cacheable; /* 1 bit */
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} nxt_var_decl_t;
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typedef struct {
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nxt_str_t *name;
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nxt_var_handler_t handler;
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void *data;
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uint32_t index;
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uint8_t cacheable; /* 1 bit */
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} nxt_var_ref_t;
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typedef struct {
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nxt_str_t name;
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uint16_t hash;
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} nxt_var_field_t;
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typedef struct {
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nxt_mp_t *pool;
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nxt_lvlhsh_t hash;
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nxt_str_t *spare;
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} nxt_var_cache_t;
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nxt_int_t nxt_var_register(nxt_var_decl_t *decl, size_t n);
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nxt_int_t nxt_var_index_init(void);
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nxt_var_field_t *nxt_var_field_get(nxt_array_t *fields, uint16_t index);
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nxt_var_field_t *nxt_var_field_new(nxt_mp_t *mp, nxt_str_t *name,
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uint32_t hash);
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nxt_var_t *nxt_var_compile(nxt_tstr_state_t *state, nxt_str_t *str);
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nxt_int_t nxt_var_test(nxt_tstr_state_t *state, nxt_str_t *str, u_char *error);
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nxt_int_t nxt_var_interpreter(nxt_task_t *task, nxt_tstr_state_t *state,
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nxt_var_cache_t *cache, nxt_var_t *var, nxt_str_t *str, void *ctx,
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nxt_bool_t logging);
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nxt_str_t *nxt_var_get(nxt_task_t *task, nxt_var_cache_t *cache,
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nxt_str_t *name, void *ctx);
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nxt_int_t nxt_http_unknown_var_ref(nxt_tstr_state_t *state, nxt_var_ref_t *ref,
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nxt_str_t *name);
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#endif /* _NXT_VAR_H_INCLUDED_ */
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