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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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4 */
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5
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6
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7 #ifndef _NGX_HTTP_SSI_FILTER_H_INCLUDED_
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8 #define _NGX_HTTP_SSI_FILTER_H_INCLUDED_
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9
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10
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11 #include <ngx_config.h>
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12 #include <ngx_core.h>
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13 #include <ngx_http.h>
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14
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15
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16 #define NGX_HTTP_SSI_MAX_PARAMS 16
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17
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158
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18 #define NGX_HTTP_SSI_COMMAND_LEN 32
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19 #define NGX_HTTP_SSI_PARAM_LEN 32
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146
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20 #define NGX_HTTP_SSI_PARAMS_N 4
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21
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22
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178
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23 #define NGX_HTTP_SSI_COND_IF 1
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24 #define NGX_HTTP_SSI_COND_ELSE 2
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25
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26
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146
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27 typedef struct {
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28 ngx_hash_t hash;
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29 ngx_hash_keys_arrays_t commands;
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30 } ngx_http_ssi_main_conf_t;
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31
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32
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33 typedef struct {
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34 ngx_buf_t *buf;
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35
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36 u_char *pos;
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37 u_char *copy_start;
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38 u_char *copy_end;
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39
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40 ngx_uint_t key;
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41 ngx_str_t command;
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42 ngx_array_t params;
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43 ngx_table_elt_t *param;
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44 ngx_table_elt_t params_array[NGX_HTTP_SSI_PARAMS_N];
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45
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46 ngx_chain_t *in;
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47 ngx_chain_t *out;
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48 ngx_chain_t **last_out;
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49 ngx_chain_t *busy;
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50 ngx_chain_t *free;
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51
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52 ngx_uint_t state;
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53 ngx_uint_t saved_state;
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54 size_t saved;
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55 size_t looked;
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56
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57 size_t value_len;
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58
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59 ngx_array_t variables;
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60
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178
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61 unsigned conditional:2;
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62 unsigned output:1;
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63 unsigned output_chosen:1;
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146
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64
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158
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65 void *value_buf;
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66 ngx_str_t timefmt;
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67 ngx_str_t errmsg;
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68 } ngx_http_ssi_ctx_t;
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69
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70
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71 typedef ngx_int_t (*ngx_http_ssi_command_pt) (ngx_http_request_t *r,
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72 ngx_http_ssi_ctx_t *ctx, ngx_str_t **);
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73
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74
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75 typedef struct {
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76 ngx_str_t name;
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77 ngx_uint_t index;
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78
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79 unsigned mandatory:1;
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80 unsigned multiple:1;
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81 } ngx_http_ssi_param_t;
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82
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83
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84 typedef struct {
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85 ngx_str_t name;
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86 ngx_http_ssi_command_pt handler;
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87 ngx_http_ssi_param_t *params;
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88
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178
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89 unsigned conditional:2;
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146
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90 unsigned flush:1;
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91 } ngx_http_ssi_command_t;
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92
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93
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94 extern ngx_module_t ngx_http_ssi_filter_module;
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95
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96
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97 #endif /* _NGX_HTTP_SSI_FILTER_H_INCLUDED_ */
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