release/src/router/nginx/src/http/modules/ngx_http_ssi_filter_module.h

   1
   2 /*
   3  * Copyright (C) Igor Sysoev
   4  * Copyright (C) Nginx, Inc.
   5  */
   6
   7
   8 #ifndef _NGX_HTTP_SSI_FILTER_H_INCLUDED_
   9 #define _NGX_HTTP_SSI_FILTER_H_INCLUDED_
  10
  11
  12 #include <ngx_config.h>
  13 #include <ngx_core.h>
  14 #include <ngx_http.h>
  15
  16
  17 #define NGX_HTTP_SSI_MAX_PARAMS       16
  18
  19 #define NGX_HTTP_SSI_COMMAND_LEN      32
  20 #define NGX_HTTP_SSI_PARAM_LEN        32
  21 #define NGX_HTTP_SSI_PARAMS_N         4
  22
  23
  24 #define NGX_HTTP_SSI_COND_IF          1
  25 #define NGX_HTTP_SSI_COND_ELSE        2
  26
  27
  28 #define NGX_HTTP_SSI_NO_ENCODING      0
  29 #define NGX_HTTP_SSI_URL_ENCODING     1
  30 #define NGX_HTTP_SSI_ENTITY_ENCODING  2
  31
  32
  33 typedef struct {
  34     ngx_hash_t                hash;
  35     ngx_hash_keys_arrays_t    commands;
  36 } ngx_http_ssi_main_conf_t;
  37
  38
  39 typedef struct {
  40     ngx_buf_t                *buf;
  41
  42     u_char                   *pos;
  43     u_char                   *copy_start;
  44     u_char                   *copy_end;
  45
  46     ngx_uint_t                key;
  47     ngx_str_t                 command;
  48     ngx_array_t               params;
  49     ngx_table_elt_t          *param;
  50     ngx_table_elt_t           params_array[NGX_HTTP_SSI_PARAMS_N];
  51
  52     ngx_chain_t              *in;
  53     ngx_chain_t              *out;
  54     ngx_chain_t             **last_out;
  55     ngx_chain_t              *busy;
  56     ngx_chain_t              *free;
  57
  58     ngx_uint_t                state;
  59     ngx_uint_t                saved_state;
  60     size_t                    saved;
  61     size_t                    looked;
  62
  63     size_t                    value_len;
  64
  65     ngx_list_t               *variables;
  66     ngx_array_t              *blocks;
  67
  68 #if (NGX_PCRE)
  69     ngx_uint_t                ncaptures;
  70     int                      *captures;
  71     u_char                   *captures_data;
  72 #endif
  73
  74     unsigned                  conditional:2;
  75     unsigned                  encoding:2;
  76     unsigned                  block:1;
  77     unsigned                  output:1;
  78     unsigned                  output_chosen:1;
  79
  80     ngx_http_request_t       *wait;
  81     void                     *value_buf;
  82     ngx_str_t                 timefmt;
  83     ngx_str_t                 errmsg;
  84 } ngx_http_ssi_ctx_t;
  85
  86
  87 typedef ngx_int_t (*ngx_http_ssi_command_pt) (ngx_http_request_t *r,
  88     ngx_http_ssi_ctx_t *ctx, ngx_str_t **);
  89
  90
  91 typedef struct {
  92     ngx_str_t                 name;
  93     ngx_uint_t                index;
  94
  95     unsigned                  mandatory:1;
  96     unsigned                  multiple:1;
  97 } ngx_http_ssi_param_t;
  98
  99
 100 typedef struct {
 101     ngx_str_t                 name;
 102     ngx_http_ssi_command_pt   handler;
 103     ngx_http_ssi_param_t     *params;
 104
 105     unsigned                  conditional:2;
 106     unsigned                  block:1;
 107     unsigned                  flush:1;
 108 } ngx_http_ssi_command_t;
 109
 110
 111 extern ngx_module_t  ngx_http_ssi_filter_module;
 112
 113
 114 #endif /* _NGX_HTTP_SSI_FILTER_H_INCLUDED_ */