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/*
* Copyright (C) Igor Sysoev
* Copyright (C) Nginx, Inc.
*/
#ifndef _NGX_HTTP_SSI_FILTER_H_INCLUDED_
#define _NGX_HTTP_SSI_FILTER_H_INCLUDED_
#include <ngx_config.h>
#include <ngx_core.h>
#include <ngx_http.h>
#define NGX_HTTP_SSI_MAX_PARAMS 16
#define NGX_HTTP_SSI_COMMAND_LEN 32
#define NGX_HTTP_SSI_PARAM_LEN 32
#define NGX_HTTP_SSI_PARAMS_N 4
#define NGX_HTTP_SSI_COND_IF 1
#define NGX_HTTP_SSI_COND_ELSE 2
#define NGX_HTTP_SSI_NO_ENCODING 0
#define NGX_HTTP_SSI_URL_ENCODING 1
#define NGX_HTTP_SSI_ENTITY_ENCODING 2
typedef struct {
ngx_hash_t hash;
ngx_hash_keys_arrays_t commands;
} ngx_http_ssi_main_conf_t;
typedef struct {
ngx_buf_t *buf;
u_char *pos;
u_char *copy_start;
u_char *copy_end;
ngx_uint_t key;
ngx_str_t command;
ngx_array_t params;
ngx_table_elt_t *param;
ngx_table_elt_t params_array[NGX_HTTP_SSI_PARAMS_N];
ngx_chain_t *in;
ngx_chain_t *out;
ngx_chain_t **last_out;
ngx_chain_t *busy;
ngx_chain_t *free;
ngx_uint_t state;
ngx_uint_t saved_state;
size_t saved;
size_t looked;
size_t value_len;
ngx_list_t *variables;
ngx_array_t *blocks;
#if (NGX_PCRE)
ngx_uint_t ncaptures;
int *captures;
u_char *captures_data;
#endif
unsigned conditional:2;
unsigned encoding:2;
unsigned block:1;
unsigned output:1;
unsigned output_chosen:1;
ngx_http_request_t *wait;
void *value_buf;
ngx_str_t timefmt;
ngx_str_t errmsg;
} ngx_http_ssi_ctx_t;
typedef ngx_int_t (*ngx_http_ssi_command_pt) (ngx_http_request_t *r,
ngx_http_ssi_ctx_t *ctx, ngx_str_t **);
typedef struct {
ngx_str_t name;
ngx_uint_t index;
unsigned mandatory:1;
unsigned multiple:1;
} ngx_http_ssi_param_t;
typedef struct {
ngx_str_t name;
ngx_http_ssi_command_pt handler;
ngx_http_ssi_param_t *params;
unsigned conditional:2;
unsigned block:1;
unsigned flush:1;
} ngx_http_ssi_command_t;
extern ngx_module_t ngx_http_ssi_filter_module;
#endif /* _NGX_HTTP_SSI_FILTER_H_INCLUDED_ */
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