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146
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1
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2 /*
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3 * Copyright (C) Igor Sysoev
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660
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4 * Copyright (C) Nginx, Inc.
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146
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5 */
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6
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7
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8 #ifndef _NGX_HTTP_SSI_FILTER_H_INCLUDED_
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9 #define _NGX_HTTP_SSI_FILTER_H_INCLUDED_
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10
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11
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12 #include <ngx_config.h>
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13 #include <ngx_core.h>
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14 #include <ngx_http.h>
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15
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16
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340
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17 #define NGX_HTTP_SSI_MAX_PARAMS 16
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18
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340
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19 #define NGX_HTTP_SSI_COMMAND_LEN 32
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20 #define NGX_HTTP_SSI_PARAM_LEN 32
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21 #define NGX_HTTP_SSI_PARAMS_N 4
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22
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23
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340
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24 #define NGX_HTTP_SSI_COND_IF 1
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25 #define NGX_HTTP_SSI_COND_ELSE 2
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26
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27
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28 #define NGX_HTTP_SSI_NO_ENCODING 0
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29 #define NGX_HTTP_SSI_URL_ENCODING 1
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30 #define NGX_HTTP_SSI_ENTITY_ENCODING 2
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178
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31
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32
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146
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33 typedef struct {
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34 ngx_hash_t hash;
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35 ngx_hash_keys_arrays_t commands;
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36 } ngx_http_ssi_main_conf_t;
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37
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38
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39 typedef struct {
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40 ngx_buf_t *buf;
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41
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42 u_char *pos;
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43 u_char *copy_start;
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44 u_char *copy_end;
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45
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46 ngx_uint_t key;
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47 ngx_str_t command;
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48 ngx_array_t params;
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49 ngx_table_elt_t *param;
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50 ngx_table_elt_t params_array[NGX_HTTP_SSI_PARAMS_N];
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51
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52 ngx_chain_t *in;
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53 ngx_chain_t *out;
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54 ngx_chain_t **last_out;
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55 ngx_chain_t *busy;
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56 ngx_chain_t *free;
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57
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58 ngx_uint_t state;
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59 ngx_uint_t saved_state;
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60 size_t saved;
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61 size_t looked;
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62
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63 size_t value_len;
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64
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248
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65 ngx_list_t *variables;
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216
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66 ngx_array_t *blocks;
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67
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656
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68 #if (NGX_PCRE)
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69 ngx_uint_t ncaptures;
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70 int *captures;
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71 u_char *captures_data;
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72 #endif
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73
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74 unsigned conditional:2;
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75 unsigned encoding:2;
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216
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76 unsigned block:1;
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77 unsigned output:1;
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78 unsigned output_chosen:1;
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79
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244
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80 ngx_http_request_t *wait;
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81 void *value_buf;
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82 ngx_str_t timefmt;
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83 ngx_str_t errmsg;
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84 } ngx_http_ssi_ctx_t;
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85
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86
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87 typedef ngx_int_t (*ngx_http_ssi_command_pt) (ngx_http_request_t *r,
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88 ngx_http_ssi_ctx_t *ctx, ngx_str_t **);
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89
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90
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91 typedef struct {
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92 ngx_str_t name;
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93 ngx_uint_t index;
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94
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95 unsigned mandatory:1;
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96 unsigned multiple:1;
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97 } ngx_http_ssi_param_t;
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98
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99
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100 typedef struct {
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101 ngx_str_t name;
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102 ngx_http_ssi_command_pt handler;
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103 ngx_http_ssi_param_t *params;
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104
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105 unsigned conditional:2;
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216
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106 unsigned block:1;
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107 unsigned flush:1;
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108 } ngx_http_ssi_command_t;
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109
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110
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111 extern ngx_module_t ngx_http_ssi_filter_module;
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112
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113
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114 #endif /* _NGX_HTTP_SSI_FILTER_H_INCLUDED_ */
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