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/*
* Copyright (C) Igor Sysoev
*/
#ifndef _NGX_HTTP_SCRIPT_H_INCLUDED_
#define _NGX_HTTP_SCRIPT_H_INCLUDED_
#include <ngx_config.h>
#include <ngx_core.h>
#include <ngx_http.h>
typedef struct {
u_char *ip;
u_char *pos;
ngx_http_variable_value_t *sp;
ngx_str_t buf;
ngx_str_t line;
/* the start of the rewritten arguments */
u_char *args;
unsigned flushed:1;
unsigned skip:1;
unsigned quote:1;
unsigned log:1;
int *captures;
ngx_uint_t ncaptures;
ngx_int_t status;
ngx_http_request_t *request;
} ngx_http_script_engine_t;
typedef struct {
ngx_conf_t *cf;
ngx_str_t *source;
ngx_array_t **flushes;
ngx_array_t **lengths;
ngx_array_t **values;
ngx_uint_t variables;
ngx_uint_t ncaptures;
ngx_uint_t size;
void *main;
unsigned compile_args:1;
unsigned compile_null:1;
unsigned complete_lengths:1;
unsigned complete_values:1;
unsigned args:1;
} ngx_http_script_compile_t;
typedef void (*ngx_http_script_code_pt) (ngx_http_script_engine_t *e);
typedef size_t (*ngx_http_script_len_code_pt) (ngx_http_script_engine_t *e);
typedef struct {
ngx_http_script_code_pt code;
uintptr_t len;
} ngx_http_script_copy_code_t;
typedef struct {
ngx_http_script_code_pt code;
uintptr_t index;
} ngx_http_script_var_code_t;
typedef struct {
ngx_http_script_code_pt code;
uintptr_t n;
} ngx_http_script_copy_capture_code_t;
#if (NGX_PCRE)
typedef struct {
ngx_http_script_code_pt code;
ngx_regex_t *regex;
ngx_array_t *lengths;
uintptr_t size;
uintptr_t ncaptures;
uintptr_t status;
uintptr_t next;
uintptr_t test:1;
uintptr_t uri:1;
uintptr_t args:1;
/* add the r->args to the new arguments */
uintptr_t add_args:1;
uintptr_t redirect:1;
uintptr_t break_cycle:1;
ngx_str_t name;
} ngx_http_script_regex_code_t;
typedef struct {
ngx_http_script_code_pt code;
uintptr_t uri:1;
uintptr_t args:1;
/* add the r->args to the new arguments */
uintptr_t add_args:1;
uintptr_t redirect:1;
} ngx_http_script_regex_end_code_t;
#endif
typedef struct {
ngx_http_script_code_pt code;
uintptr_t status;
uintptr_t null;
} ngx_http_script_return_code_t;
typedef struct {
ngx_http_script_code_pt code;
uintptr_t next;
void **loc_conf;
} ngx_http_script_if_code_t;
typedef struct {
ngx_http_script_code_pt code;
ngx_array_t *lengths;
} ngx_http_script_complex_value_code_t;
typedef struct {
ngx_http_script_code_pt code;
uintptr_t value;
uintptr_t text_len;
uintptr_t text_data;
} ngx_http_script_value_code_t;
ngx_uint_t ngx_http_script_variables_count(ngx_str_t *value);
ngx_int_t ngx_http_script_compile(ngx_http_script_compile_t *sc);
void ngx_http_script_flush_no_cachable_variables(ngx_http_request_t *r,
ngx_array_t *indices);
void *ngx_http_script_start_code(ngx_pool_t *pool, ngx_array_t **codes,
size_t size);
void *ngx_http_script_add_code(ngx_array_t *codes, size_t size, void *code);
size_t ngx_http_script_copy_len_code(ngx_http_script_engine_t *e);
void ngx_http_script_copy_code(ngx_http_script_engine_t *e);
size_t ngx_http_script_copy_var_len_code(ngx_http_script_engine_t *e);
void ngx_http_script_copy_var_code(ngx_http_script_engine_t *e);
size_t ngx_http_script_copy_capture_len_code(ngx_http_script_engine_t *e);
void ngx_http_script_copy_capture_code(ngx_http_script_engine_t *e);
void ngx_http_script_start_args_code(ngx_http_script_engine_t *e);
#if (NGX_PCRE)
void ngx_http_script_regex_start_code(ngx_http_script_engine_t *e);
void ngx_http_script_regex_end_code(ngx_http_script_engine_t *e);
#endif
void ngx_http_script_return_code(ngx_http_script_engine_t *e);
void ngx_http_script_break_code(ngx_http_script_engine_t *e);
void ngx_http_script_if_code(ngx_http_script_engine_t *e);
void ngx_http_script_equal_code(ngx_http_script_engine_t *e);
void ngx_http_script_not_equal_code(ngx_http_script_engine_t *e);
void ngx_http_script_complex_value_code(ngx_http_script_engine_t *e);
void ngx_http_script_value_code(ngx_http_script_engine_t *e);
void ngx_http_script_set_var_code(ngx_http_script_engine_t *e);
void ngx_http_script_var_code(ngx_http_script_engine_t *e);
void ngx_http_script_nop_code(ngx_http_script_engine_t *e);
#endif /* _NGX_HTTP_SCRIPT_H_INCLUDED_ */
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