mirror of
https://github.com/nginx/nginx.git
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258 lines
7.6 KiB
C
258 lines
7.6 KiB
C
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/*
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* Copyright (C) Igor Sysoev
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* Copyright (C) Nginx, Inc.
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*/
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#ifndef _NGX_HTTP_SCRIPT_H_INCLUDED_
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#define _NGX_HTTP_SCRIPT_H_INCLUDED_
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#include <ngx_config.h>
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#include <ngx_core.h>
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#include <ngx_http.h>
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typedef struct {
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u_char *ip;
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u_char *pos;
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ngx_http_variable_value_t *sp;
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ngx_str_t buf;
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ngx_str_t line;
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/* the start of the rewritten arguments */
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u_char *args;
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unsigned flushed:1;
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unsigned skip:1;
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unsigned quote:1;
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unsigned is_args:1;
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unsigned log:1;
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ngx_int_t status;
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ngx_http_request_t *request;
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} ngx_http_script_engine_t;
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typedef struct {
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ngx_conf_t *cf;
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ngx_str_t *source;
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ngx_array_t **flushes;
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ngx_array_t **lengths;
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ngx_array_t **values;
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ngx_uint_t variables;
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ngx_uint_t ncaptures;
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ngx_uint_t captures_mask;
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ngx_uint_t size;
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void *main;
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unsigned compile_args:1;
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unsigned complete_lengths:1;
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unsigned complete_values:1;
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unsigned zero:1;
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unsigned conf_prefix:1;
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unsigned root_prefix:1;
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unsigned dup_capture:1;
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unsigned args:1;
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} ngx_http_script_compile_t;
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typedef struct {
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ngx_str_t value;
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ngx_uint_t *flushes;
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void *lengths;
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void *values;
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} ngx_http_complex_value_t;
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typedef struct {
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ngx_conf_t *cf;
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ngx_str_t *value;
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ngx_http_complex_value_t *complex_value;
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unsigned zero:1;
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unsigned conf_prefix:1;
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unsigned root_prefix:1;
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} ngx_http_compile_complex_value_t;
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typedef void (*ngx_http_script_code_pt) (ngx_http_script_engine_t *e);
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typedef size_t (*ngx_http_script_len_code_pt) (ngx_http_script_engine_t *e);
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typedef struct {
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ngx_http_script_code_pt code;
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uintptr_t len;
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} ngx_http_script_copy_code_t;
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typedef struct {
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ngx_http_script_code_pt code;
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uintptr_t index;
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} ngx_http_script_var_code_t;
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typedef struct {
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ngx_http_script_code_pt code;
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ngx_http_set_variable_pt handler;
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uintptr_t data;
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} ngx_http_script_var_handler_code_t;
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typedef struct {
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ngx_http_script_code_pt code;
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uintptr_t n;
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} ngx_http_script_copy_capture_code_t;
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#if (NGX_PCRE)
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typedef struct {
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ngx_http_script_code_pt code;
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ngx_http_regex_t *regex;
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ngx_array_t *lengths;
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uintptr_t size;
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uintptr_t status;
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uintptr_t next;
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uintptr_t test:1;
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uintptr_t negative_test:1;
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uintptr_t uri:1;
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uintptr_t args:1;
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/* add the r->args to the new arguments */
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uintptr_t add_args:1;
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uintptr_t redirect:1;
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uintptr_t break_cycle:1;
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ngx_str_t name;
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} ngx_http_script_regex_code_t;
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typedef struct {
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ngx_http_script_code_pt code;
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uintptr_t uri:1;
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uintptr_t args:1;
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/* add the r->args to the new arguments */
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uintptr_t add_args:1;
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uintptr_t redirect:1;
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} ngx_http_script_regex_end_code_t;
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#endif
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typedef struct {
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ngx_http_script_code_pt code;
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uintptr_t conf_prefix;
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} ngx_http_script_full_name_code_t;
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typedef struct {
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ngx_http_script_code_pt code;
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uintptr_t status;
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ngx_http_complex_value_t text;
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} ngx_http_script_return_code_t;
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typedef enum {
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ngx_http_script_file_plain = 0,
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ngx_http_script_file_not_plain,
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ngx_http_script_file_dir,
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ngx_http_script_file_not_dir,
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ngx_http_script_file_exists,
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ngx_http_script_file_not_exists,
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ngx_http_script_file_exec,
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ngx_http_script_file_not_exec
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} ngx_http_script_file_op_e;
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typedef struct {
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ngx_http_script_code_pt code;
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uintptr_t op;
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} ngx_http_script_file_code_t;
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typedef struct {
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ngx_http_script_code_pt code;
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uintptr_t next;
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void **loc_conf;
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} ngx_http_script_if_code_t;
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typedef struct {
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ngx_http_script_code_pt code;
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ngx_array_t *lengths;
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} ngx_http_script_complex_value_code_t;
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typedef struct {
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ngx_http_script_code_pt code;
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uintptr_t value;
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uintptr_t text_len;
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uintptr_t text_data;
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} ngx_http_script_value_code_t;
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void ngx_http_script_flush_complex_value(ngx_http_request_t *r,
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ngx_http_complex_value_t *val);
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ngx_int_t ngx_http_complex_value(ngx_http_request_t *r,
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ngx_http_complex_value_t *val, ngx_str_t *value);
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ngx_int_t ngx_http_compile_complex_value(ngx_http_compile_complex_value_t *ccv);
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char *ngx_http_set_complex_value_slot(ngx_conf_t *cf, ngx_command_t *cmd,
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void *conf);
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ngx_int_t ngx_http_test_predicates(ngx_http_request_t *r,
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ngx_array_t *predicates);
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char *ngx_http_set_predicate_slot(ngx_conf_t *cf, ngx_command_t *cmd,
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void *conf);
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ngx_uint_t ngx_http_script_variables_count(ngx_str_t *value);
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ngx_int_t ngx_http_script_compile(ngx_http_script_compile_t *sc);
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u_char *ngx_http_script_run(ngx_http_request_t *r, ngx_str_t *value,
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void *code_lengths, size_t reserved, void *code_values);
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void ngx_http_script_flush_no_cacheable_variables(ngx_http_request_t *r,
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ngx_array_t *indices);
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void *ngx_http_script_start_code(ngx_pool_t *pool, ngx_array_t **codes,
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size_t size);
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void *ngx_http_script_add_code(ngx_array_t *codes, size_t size, void *code);
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size_t ngx_http_script_copy_len_code(ngx_http_script_engine_t *e);
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void ngx_http_script_copy_code(ngx_http_script_engine_t *e);
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size_t ngx_http_script_copy_var_len_code(ngx_http_script_engine_t *e);
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void ngx_http_script_copy_var_code(ngx_http_script_engine_t *e);
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size_t ngx_http_script_copy_capture_len_code(ngx_http_script_engine_t *e);
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void ngx_http_script_copy_capture_code(ngx_http_script_engine_t *e);
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size_t ngx_http_script_mark_args_code(ngx_http_script_engine_t *e);
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void ngx_http_script_start_args_code(ngx_http_script_engine_t *e);
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#if (NGX_PCRE)
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void ngx_http_script_regex_start_code(ngx_http_script_engine_t *e);
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void ngx_http_script_regex_end_code(ngx_http_script_engine_t *e);
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#endif
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void ngx_http_script_return_code(ngx_http_script_engine_t *e);
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void ngx_http_script_break_code(ngx_http_script_engine_t *e);
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void ngx_http_script_if_code(ngx_http_script_engine_t *e);
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void ngx_http_script_equal_code(ngx_http_script_engine_t *e);
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void ngx_http_script_not_equal_code(ngx_http_script_engine_t *e);
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void ngx_http_script_file_code(ngx_http_script_engine_t *e);
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void ngx_http_script_complex_value_code(ngx_http_script_engine_t *e);
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void ngx_http_script_value_code(ngx_http_script_engine_t *e);
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void ngx_http_script_set_var_code(ngx_http_script_engine_t *e);
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void ngx_http_script_var_set_handler_code(ngx_http_script_engine_t *e);
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void ngx_http_script_var_code(ngx_http_script_engine_t *e);
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void ngx_http_script_nop_code(ngx_http_script_engine_t *e);
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#endif /* _NGX_HTTP_SCRIPT_H_INCLUDED_ */
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