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/*
* Copyright (C) Igor Sysoev
*/
#ifndef _NGX_HTTP_VARIABLES_H_INCLUDED_
#define _NGX_HTTP_VARIABLES_H_INCLUDED_
#include <ngx_config.h>
#include <ngx_core.h>
#include <ngx_event.h>
#include <ngx_http.h>
#define NGX_HTTP_VAR_NOT_FOUND (ngx_http_variable_value_t *) -1
typedef struct {
ngx_uint_t value;
ngx_str_t text;
} ngx_http_variable_value_t;
typedef struct ngx_http_variable_s ngx_http_variable_t;
typedef ngx_http_variable_value_t *
(*ngx_http_get_variable_pt) (ngx_http_request_t *r, uintptr_t data);
#define NGX_HTTP_VAR_CHANGABLE 1
#define NGX_HTTP_VAR_NOCACHABLE 2
#define NGX_HTTP_VAR_INDEXED 4
struct ngx_http_variable_s {
ngx_str_t name; /* must be first to build the hash */
ngx_http_get_variable_pt handler;
uintptr_t data;
ngx_uint_t flags;
};
ngx_http_variable_t *ngx_http_add_variable(ngx_conf_t *cf, ngx_str_t *name,
ngx_uint_t flags);
ngx_int_t ngx_http_get_variable_index(ngx_conf_t *cf, ngx_str_t *name);
ngx_http_variable_value_t *ngx_http_get_indexed_variable(ngx_http_request_t *r,
ngx_uint_t index);
ngx_http_variable_value_t *ngx_http_get_variable(ngx_http_request_t *r,
ngx_str_t *name);
ngx_int_t ngx_http_variables_add_core_vars(ngx_conf_t *cf);
ngx_int_t ngx_http_variables_init_vars(ngx_conf_t *cf);
#endif /* _NGX_HTTP_VARIABLES_H_INCLUDED_ */