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56
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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_SCRIPT_H_INCLUDED_
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8 #define _NGX_HTTP_SCRIPT_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 typedef struct {
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122
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17 u_char *ip;
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18 u_char *pos;
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19 ngx_http_variable_value_t *sp;
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58
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20
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122
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21 ngx_str_t buf;
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22 ngx_str_t line;
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58
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23
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24 /* the start of the rewritten arguments */
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122
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25 u_char *args;
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26
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122
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27 unsigned flushed:1;
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28 unsigned skip:1;
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29 unsigned quote:1;
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30 unsigned log:1;
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58
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31
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122
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32 int *captures;
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33 ngx_uint_t ncaptures;
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34
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35 ngx_int_t status;
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36 ngx_http_request_t *request;
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56
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37 } ngx_http_script_engine_t;
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38
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39
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58
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40 typedef struct {
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122
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41 ngx_conf_t *cf;
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42 ngx_str_t *source;
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58
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43
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122
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44 ngx_array_t **flushes;
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45 ngx_array_t **lengths;
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46 ngx_array_t **values;
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58
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47
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122
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48 ngx_uint_t variables;
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49 ngx_uint_t ncaptures;
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190
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50 ngx_uint_t captures_mask;
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122
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51 ngx_uint_t size;
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52
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53 void *main;
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56
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54
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122
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55 unsigned compile_args:1;
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56 unsigned complete_lengths:1;
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57 unsigned complete_values:1;
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190
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58 unsigned dup_capture:1;
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58
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59
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122
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60 unsigned args:1;
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58
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61 } ngx_http_script_compile_t;
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62
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63
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64 typedef void (*ngx_http_script_code_pt) (ngx_http_script_engine_t *e);
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65 typedef size_t (*ngx_http_script_len_code_pt) (ngx_http_script_engine_t *e);
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56
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66
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67
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68 typedef struct {
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69 ngx_http_script_code_pt code;
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70 uintptr_t len;
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71 } ngx_http_script_copy_code_t;
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72
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73
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74 typedef struct {
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75 ngx_http_script_code_pt code;
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76 uintptr_t index;
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77 } ngx_http_script_var_code_t;
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78
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79
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58
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80 typedef struct {
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186
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81 ngx_http_script_code_pt code;
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82 ngx_http_set_variable_pt handler;
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83 uintptr_t data;
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84 } ngx_http_script_var_handler_code_t;
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85
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86
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87 typedef struct {
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88 ngx_http_script_code_pt code;
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89 uintptr_t n;
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90 } ngx_http_script_copy_capture_code_t;
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91
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92
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66
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93 #if (NGX_PCRE)
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94
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58
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95 typedef struct {
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96 ngx_http_script_code_pt code;
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97 ngx_regex_t *regex;
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98 ngx_array_t *lengths;
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99 uintptr_t size;
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100 uintptr_t ncaptures;
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101 uintptr_t status;
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102 uintptr_t next;
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103
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104 uintptr_t test:1;
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180
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105 uintptr_t negative_test:1;
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106 uintptr_t uri:1;
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107 uintptr_t args:1;
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108
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109 /* add the r->args to the new arguments */
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110 uintptr_t add_args:1;
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126
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111
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112 uintptr_t redirect:1;
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113 uintptr_t break_cycle:1;
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114
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115 ngx_str_t name;
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116 } ngx_http_script_regex_code_t;
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117
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118
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119 typedef struct {
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120 ngx_http_script_code_pt code;
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121
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122 uintptr_t uri:1;
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123 uintptr_t args:1;
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124
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125 /* add the r->args to the new arguments */
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126 uintptr_t add_args:1;
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127
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128 uintptr_t redirect:1;
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129 } ngx_http_script_regex_end_code_t;
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56
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130
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66
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131 #endif
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132
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56
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133
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58
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134 typedef struct {
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135 ngx_http_script_code_pt code;
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136 uintptr_t status;
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137 uintptr_t null;
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138 } ngx_http_script_return_code_t;
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139
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140
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180
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141 typedef enum {
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142 ngx_http_script_file_plain = 0,
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218
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143 ngx_http_script_file_not_plain,
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144 ngx_http_script_file_dir,
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145 ngx_http_script_file_not_dir,
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146 ngx_http_script_file_exists,
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147 ngx_http_script_file_not_exists,
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148 ngx_http_script_file_exec,
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149 ngx_http_script_file_not_exec
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180
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150 } ngx_http_script_file_op_e;
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151
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152
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153 typedef struct {
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154 ngx_http_script_code_pt code;
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155 uintptr_t op;
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156 } ngx_http_script_file_code_t;
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157
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158
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58
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159 typedef struct {
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160 ngx_http_script_code_pt code;
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161 uintptr_t next;
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162 void **loc_conf;
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163 } ngx_http_script_if_code_t;
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164
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165
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166 typedef struct {
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167 ngx_http_script_code_pt code;
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64
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168 ngx_array_t *lengths;
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169 } ngx_http_script_complex_value_code_t;
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170
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171
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172 typedef struct {
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173 ngx_http_script_code_pt code;
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58
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174 uintptr_t value;
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175 uintptr_t text_len;
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176 uintptr_t text_data;
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177 } ngx_http_script_value_code_t;
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178
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179
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180 ngx_uint_t ngx_http_script_variables_count(ngx_str_t *value);
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181 ngx_int_t ngx_http_script_compile(ngx_http_script_compile_t *sc);
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172
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182 u_char *ngx_http_script_run(ngx_http_request_t *r, ngx_str_t *value,
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183 void *code_lengths, size_t reserved, void *code_values);
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122
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184 void ngx_http_script_flush_no_cachable_variables(ngx_http_request_t *r,
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185 ngx_array_t *indices);
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58
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186
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187 void *ngx_http_script_start_code(ngx_pool_t *pool, ngx_array_t **codes,
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188 size_t size);
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189 void *ngx_http_script_add_code(ngx_array_t *codes, size_t size, void *code);
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190
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191 size_t ngx_http_script_copy_len_code(ngx_http_script_engine_t *e);
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192 void ngx_http_script_copy_code(ngx_http_script_engine_t *e);
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193 size_t ngx_http_script_copy_var_len_code(ngx_http_script_engine_t *e);
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194 void ngx_http_script_copy_var_code(ngx_http_script_engine_t *e);
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195 size_t ngx_http_script_copy_capture_len_code(ngx_http_script_engine_t *e);
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196 void ngx_http_script_copy_capture_code(ngx_http_script_engine_t *e);
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197 void ngx_http_script_start_args_code(ngx_http_script_engine_t *e);
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198 #if (NGX_PCRE)
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199 void ngx_http_script_regex_start_code(ngx_http_script_engine_t *e);
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200 void ngx_http_script_regex_end_code(ngx_http_script_engine_t *e);
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66
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201 #endif
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202 void ngx_http_script_return_code(ngx_http_script_engine_t *e);
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76
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203 void ngx_http_script_break_code(ngx_http_script_engine_t *e);
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204 void ngx_http_script_if_code(ngx_http_script_engine_t *e);
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126
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205 void ngx_http_script_equal_code(ngx_http_script_engine_t *e);
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206 void ngx_http_script_not_equal_code(ngx_http_script_engine_t *e);
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180
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207 void ngx_http_script_file_code(ngx_http_script_engine_t *e);
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64
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208 void ngx_http_script_complex_value_code(ngx_http_script_engine_t *e);
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209 void ngx_http_script_value_code(ngx_http_script_engine_t *e);
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210 void ngx_http_script_set_var_code(ngx_http_script_engine_t *e);
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186
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211 void ngx_http_script_var_set_handler_code(ngx_http_script_engine_t *e);
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58
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212 void ngx_http_script_var_code(ngx_http_script_engine_t *e);
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213 void ngx_http_script_nop_code(ngx_http_script_engine_t *e);
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214
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215
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216 #endif /* _NGX_HTTP_SCRIPT_H_INCLUDED_ */
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