Mercurial > hg > nginx
annotate src/http/modules/ngx_http_charset_filter_module.c @ 659:649c9063d0fd release-0.3.51
nginx-0.3.51-RELEASE import
*) Bugfix: the "<" symbols might disappeared some conditions in the
SSI; the bug had appeared in 0.3.50.
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Fri, 30 Jun 2006 12:19:32 +0000 |
| parents | 400711951595 |
| children | 9079ee4735ae |
| rev | line source |
|---|---|
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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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7 #include <ngx_config.h> |
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8 #include <ngx_core.h> |
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9 #include <ngx_http.h> |
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11 |
| 657 | 12 #define NGX_HTTP_NO_CHARSET -2 |
| 13 | |
| 14 /* 1 byte length and up to 3 bytes for the UTF-8 encoding of the UCS-2 */ | |
| 15 #define NGX_UTF_LEN 4 | |
| 16 | |
| 17 #define NGX_HTML_ENTITY_LEN (sizeof("") - 1) | |
| 529 | 18 |
| 19 | |
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20 typedef struct { |
| 657 | 21 u_char **tables; |
| 22 ngx_str_t name; | |
| 523 | 23 |
| 657 | 24 unsigned length:16; |
| 25 unsigned utf8:1; | |
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26 } ngx_http_charset_t; |
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29 typedef struct { |
| 657 | 30 ngx_int_t src; |
| 31 ngx_int_t dst; | |
| 529 | 32 } ngx_http_charset_recode_t; |
| 33 | |
| 34 | |
| 35 typedef struct { | |
| 657 | 36 ngx_int_t src; |
| 37 ngx_int_t dst; | |
| 38 u_char *src2dst; | |
| 39 u_char *dst2src; | |
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40 } ngx_http_charset_tables_t; |
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41 |
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43 typedef struct { |
| 657 | 44 ngx_array_t charsets; /* ngx_http_charset_t */ |
| 45 ngx_array_t tables; /* ngx_http_charset_tables_t */ | |
| 46 ngx_array_t recodes; /* ngx_http_charset_recode_t */ | |
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47 } ngx_http_charset_main_conf_t; |
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50 typedef struct { |
| 657 | 51 ngx_int_t charset; |
| 52 ngx_int_t source_charset; | |
| 53 ngx_flag_t override_charset; | |
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54 } ngx_http_charset_loc_conf_t; |
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55 |
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57 typedef struct { |
| 657 | 58 u_char *table; |
| 59 ngx_int_t charset; | |
| 60 | |
| 61 ngx_chain_t *busy; | |
| 62 ngx_chain_t *free_bufs; | |
| 63 ngx_chain_t *free_buffers; | |
| 64 | |
| 65 size_t saved_len; | |
| 66 u_char saved[NGX_UTF_LEN]; | |
| 67 | |
| 68 unsigned length:16; | |
| 69 unsigned from_utf8:1; | |
| 70 unsigned to_utf8:1; | |
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71 } ngx_http_charset_ctx_t; |
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72 |
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73 |
| 657 | 74 typedef struct { |
| 75 ngx_http_charset_tables_t *table; | |
| 76 ngx_http_charset_t *charset; | |
| 77 ngx_uint_t characters; | |
| 78 } ngx_http_charset_conf_ctx_t; | |
| 79 | |
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80 |
| 657 | 81 static ngx_int_t ngx_http_charset_get_charset(ngx_http_charset_t *charsets, |
| 82 ngx_uint_t n, u_char *charset); | |
| 83 static ngx_int_t ngx_http_charset_set_charset(ngx_http_request_t *r, | |
| 84 ngx_http_charset_t *charsets, ngx_int_t charset, ngx_int_t source_charset); | |
| 85 static ngx_uint_t ngx_http_charset_recode(ngx_buf_t *b, u_char *table); | |
| 86 static ngx_chain_t *ngx_http_charset_recode_from_utf8(ngx_pool_t *pool, | |
| 87 ngx_buf_t *buf, ngx_http_charset_ctx_t *ctx); | |
| 88 static ngx_chain_t *ngx_http_charset_recode_to_utf8(ngx_pool_t *pool, | |
| 89 ngx_buf_t *buf, ngx_http_charset_ctx_t *ctx); | |
| 90 | |
| 91 static ngx_chain_t *ngx_http_charset_get_buf(ngx_pool_t *pool, | |
| 92 ngx_http_charset_ctx_t *ctx); | |
| 93 static ngx_chain_t *ngx_http_charset_get_buffer(ngx_pool_t *pool, | |
| 94 ngx_http_charset_ctx_t *ctx, size_t size); | |
| 95 | |
| 96 static char *ngx_http_charset_map_block(ngx_conf_t *cf, ngx_command_t *cmd, | |
| 501 | 97 void *conf); |
| 657 | 98 static char *ngx_http_charset_map(ngx_conf_t *cf, ngx_command_t *dummy, |
| 99 void *conf); | |
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101 static char *ngx_http_set_charset_slot(ngx_conf_t *cf, ngx_command_t *cmd, |
| 501 | 102 void *conf); |
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103 static ngx_int_t ngx_http_add_charset(ngx_array_t *charsets, ngx_str_t *name); |
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104 |
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105 static ngx_int_t ngx_http_charset_filter_init(ngx_cycle_t *cycle); |
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106 |
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107 static void *ngx_http_charset_create_main_conf(ngx_conf_t *cf); |
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108 static void *ngx_http_charset_create_loc_conf(ngx_conf_t *cf); |
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109 static char *ngx_http_charset_merge_loc_conf(ngx_conf_t *cf, |
| 501 | 110 void *parent, void *child); |
| 529 | 111 static ngx_int_t ngx_http_charset_postconfiguration(ngx_conf_t *cf); |
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112 |
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113 |
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114 static ngx_command_t ngx_http_charset_filter_commands[] = { |
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115 |
| 529 | 116 { ngx_string("charset"), |
| 559 | 117 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF |
| 118 |NGX_HTTP_LIF_CONF|NGX_CONF_TAKE1, | |
| 529 | 119 ngx_http_set_charset_slot, |
| 120 NGX_HTTP_LOC_CONF_OFFSET, | |
| 121 offsetof(ngx_http_charset_loc_conf_t, charset), | |
| 122 NULL }, | |
| 123 | |
| 124 { ngx_string("source_charset"), | |
| 559 | 125 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF |
| 126 |NGX_HTTP_LIF_CONF|NGX_CONF_TAKE1, | |
| 529 | 127 ngx_http_set_charset_slot, |
| 128 NGX_HTTP_LOC_CONF_OFFSET, | |
| 129 offsetof(ngx_http_charset_loc_conf_t, source_charset), | |
| 130 NULL }, | |
| 131 | |
| 635 | 132 { ngx_string("override_charset"), |
| 133 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF | |
| 134 |NGX_HTTP_LIF_CONF|NGX_CONF_FLAG, | |
| 135 ngx_conf_set_flag_slot, | |
| 136 NGX_HTTP_LOC_CONF_OFFSET, | |
| 137 offsetof(ngx_http_charset_loc_conf_t, override_charset), | |
| 138 NULL }, | |
| 139 | |
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140 { ngx_string("charset_map"), |
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141 NGX_HTTP_MAIN_CONF|NGX_CONF_BLOCK|NGX_CONF_TAKE2, |
| 657 | 142 ngx_http_charset_map_block, |
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143 NGX_HTTP_MAIN_CONF_OFFSET, |
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144 0, |
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145 NULL }, |
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146 |
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147 ngx_null_command |
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148 }; |
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149 |
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150 |
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151 static ngx_http_module_t ngx_http_charset_filter_module_ctx = { |
| 509 | 152 NULL, /* preconfiguration */ |
| 529 | 153 ngx_http_charset_postconfiguration, /* postconfiguration */ |
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177
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154 |
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155 ngx_http_charset_create_main_conf, /* create main configuration */ |
| 529 | 156 NULL, /* init main configuration */ |
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157 |
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158 NULL, /* create server configuration */ |
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159 NULL, /* merge server configuration */ |
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160 |
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161 ngx_http_charset_create_loc_conf, /* create location configuration */ |
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162 ngx_http_charset_merge_loc_conf /* merge location configuration */ |
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163 }; |
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164 |
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165 |
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166 ngx_module_t ngx_http_charset_filter_module = { |
| 509 | 167 NGX_MODULE_V1, |
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168 &ngx_http_charset_filter_module_ctx, /* module context */ |
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169 ngx_http_charset_filter_commands, /* module directives */ |
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170 NGX_HTTP_MODULE, /* module type */ |
| 541 | 171 NULL, /* init master */ |
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110
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172 ngx_http_charset_filter_init, /* init module */ |
| 541 | 173 NULL, /* init process */ |
| 174 NULL, /* init thread */ | |
| 175 NULL, /* exit thread */ | |
| 176 NULL, /* exit process */ | |
| 177 NULL, /* exit master */ | |
| 178 NGX_MODULE_V1_PADDING | |
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179 }; |
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180 |
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181 |
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155
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182 static ngx_http_output_header_filter_pt ngx_http_next_header_filter; |
|
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183 static ngx_http_output_body_filter_pt ngx_http_next_body_filter; |
|
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184 |
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185 |
| 501 | 186 static ngx_int_t |
| 187 ngx_http_charset_header_filter(ngx_http_request_t *r) | |
|
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188 { |
| 657 | 189 u_char *ct; |
| 635 | 190 ngx_int_t charset, source_charset; |
| 657 | 191 ngx_str_t *mc; |
| 192 ngx_uint_t n; | |
|
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193 ngx_http_charset_t *charsets; |
|
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194 ngx_http_charset_ctx_t *ctx; |
| 653 | 195 ngx_http_charset_loc_conf_t *lcf, *mlcf; |
|
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196 ngx_http_charset_main_conf_t *mcf; |
|
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197 |
|
339
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198 mcf = ngx_http_get_module_main_conf(r, ngx_http_charset_filter_module); |
| 635 | 199 |
| 657 | 200 charsets = mcf->charsets.elts; |
| 201 n = mcf->charsets.nelts; | |
| 635 | 202 |
| 657 | 203 /* destination charset */ |
| 653 | 204 |
| 205 if (r == r->main) { | |
| 657 | 206 |
| 653 | 207 if (r->headers_out.content_type.len == 0) { |
| 208 return ngx_http_next_header_filter(r); | |
| 209 } | |
|
389
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210 |
| 657 | 211 if (r->headers_out.override_charset |
| 212 && r->headers_out.override_charset->len) | |
| 653 | 213 { |
| 657 | 214 charset = ngx_http_charset_get_charset(charsets, n, |
| 215 r->headers_out.override_charset->data); | |
| 216 | |
| 217 if (charset == NGX_HTTP_NO_CHARSET) { | |
| 218 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, | |
| 219 "unknown charset \"%V\" to override", | |
| 659 | 220 r->headers_out.override_charset); |
| 657 | 221 |
| 222 return ngx_http_next_header_filter(r); | |
| 223 } | |
| 224 | |
| 225 } else { | |
| 226 mlcf = ngx_http_get_module_loc_conf(r, | |
| 227 ngx_http_charset_filter_module); | |
| 228 charset = mlcf->charset; | |
| 229 | |
| 230 if (charset == NGX_HTTP_NO_CHARSET) { | |
| 231 return ngx_http_next_header_filter(r); | |
| 232 } | |
| 233 | |
| 234 if (r->headers_out.charset.len) { | |
| 235 if (mlcf->override_charset == 0) { | |
| 236 return ngx_http_next_header_filter(r); | |
| 237 } | |
| 238 | |
| 239 } else { | |
| 240 ct = r->headers_out.content_type.data; | |
| 241 | |
| 242 if (ngx_strncasecmp(ct, "text/", 5) != 0 | |
| 243 && ngx_strncasecmp(ct, "application/x-javascript", 24) != 0) | |
| 244 { | |
| 245 return ngx_http_next_header_filter(r); | |
| 246 } | |
| 247 } | |
| 653 | 248 } |
| 249 | |
| 250 } else { | |
| 657 | 251 ctx = ngx_http_get_module_ctx(r->main, ngx_http_charset_filter_module); |
| 252 | |
| 253 if (ctx == NULL) { | |
| 254 | |
| 255 mc = &r->main->headers_out.charset; | |
| 256 | |
| 257 if (mc->len == 0) { | |
| 258 return ngx_http_next_header_filter(r); | |
| 259 } | |
| 260 | |
| 261 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_charset_ctx_t)); | |
| 262 if (ctx == NULL) { | |
| 263 return NGX_ERROR; | |
| 264 } | |
| 265 | |
| 266 ngx_http_set_ctx(r->main, ctx, ngx_http_charset_filter_module); | |
| 653 | 267 |
| 657 | 268 charset = ngx_http_charset_get_charset(charsets, n, mc->data); |
| 269 | |
| 270 ctx->charset = charset; | |
| 271 | |
| 272 if (charset == NGX_HTTP_NO_CHARSET) { | |
| 273 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, | |
| 274 "unknown charset \"%V\" of main request", mc); | |
| 275 | |
| 276 return ngx_http_next_header_filter(r); | |
| 277 } | |
| 278 } | |
| 279 | |
| 280 charset = ctx->charset; | |
| 281 | |
| 282 if (charset == NGX_HTTP_NO_CHARSET) { | |
| 283 return ngx_http_next_header_filter(r); | |
| 653 | 284 } |
|
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285 } |
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286 |
| 657 | 287 /* source charset */ |
| 635 | 288 |
| 657 | 289 if (r->headers_out.charset.len == 0) { |
| 290 lcf = ngx_http_get_module_loc_conf(r, ngx_http_charset_filter_module); | |
| 635 | 291 |
| 657 | 292 return ngx_http_charset_set_charset(r, mcf->charsets.elts, charset, |
| 293 lcf->source_charset); | |
| 294 } | |
| 635 | 295 |
| 657 | 296 source_charset = ngx_http_charset_get_charset(charsets, n, |
| 297 r->headers_out.charset.data); | |
| 635 | 298 |
| 657 | 299 if (source_charset == NGX_HTTP_NO_CHARSET) { |
| 300 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, | |
| 301 "unknown source charset \"%V\"", &r->headers_out.charset); | |
| 635 | 302 |
| 657 | 303 return ngx_http_next_header_filter(r); |
| 304 } | |
| 635 | 305 |
| 657 | 306 if (source_charset != charset |
| 307 && (charsets[source_charset].tables == NULL | |
| 308 || charsets[source_charset].tables[charset] == NULL)) | |
| 309 { | |
| 310 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, | |
| 311 "no \"charset_map\" between the charsets " | |
| 312 "\"%V\" and \"%V\"", | |
| 313 &charsets[source_charset].name, &charsets[charset].name); | |
| 635 | 314 |
|
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315 return ngx_http_next_header_filter(r); |
|
133
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316 } |
|
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|
317 |
| 657 | 318 r->headers_out.content_type.len = r->headers_out.content_type_len; |
| 319 | |
| 320 return ngx_http_charset_set_charset(r, mcf->charsets.elts, charset, | |
| 321 source_charset); | |
| 322 } | |
| 323 | |
| 324 | |
| 325 static ngx_int_t | |
| 326 ngx_http_charset_get_charset(ngx_http_charset_t *charsets, ngx_uint_t n, | |
| 327 u_char *charset) | |
| 328 { | |
| 329 ngx_uint_t i; | |
| 330 | |
| 331 for (i = 0; i < n; i++) { | |
| 332 if (ngx_strcasecmp(charsets[i].name.data, charset) == 0) { | |
| 333 return i; | |
| 334 } | |
| 335 } | |
| 336 | |
| 337 return NGX_HTTP_NO_CHARSET; | |
| 338 } | |
| 339 | |
| 340 | |
| 341 static ngx_int_t | |
| 342 ngx_http_charset_set_charset(ngx_http_request_t *r, | |
| 343 ngx_http_charset_t *charsets, ngx_int_t charset, ngx_int_t source_charset) | |
| 344 { | |
| 345 ngx_http_charset_ctx_t *ctx; | |
| 346 | |
|
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347 if (r->headers_out.status == NGX_HTTP_MOVED_PERMANENTLY |
| 501 | 348 || r->headers_out.status == NGX_HTTP_MOVED_TEMPORARILY) |
|
99
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349 { |
|
155
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350 /* |
| 635 | 351 * do not set charset for the redirect because NN 4.x |
| 352 * use this charset instead of the next page charset | |
|
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353 */ |
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|
354 |
|
99
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355 r->headers_out.charset.len = 0; |
| 657 | 356 |
|
339
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338
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357 return ngx_http_next_header_filter(r); |
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358 } |
|
99
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359 |
| 635 | 360 r->headers_out.charset = charsets[charset].name; |
| 361 r->utf8 = charsets[charset].utf8; | |
| 362 | |
| 363 if (source_charset == NGX_CONF_UNSET || source_charset == charset) { | |
|
339
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364 return ngx_http_next_header_filter(r); |
|
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338
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365 } |
|
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|
366 |
| 501 | 367 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_charset_ctx_t)); |
| 368 if (ctx == NULL) { | |
| 369 return NGX_ERROR; | |
| 370 } | |
| 371 | |
| 372 ngx_http_set_ctx(r, ctx, ngx_http_charset_filter_module); | |
| 373 | |
| 635 | 374 ctx->table = charsets[source_charset].tables[charset]; |
| 375 ctx->charset = charset; | |
| 657 | 376 ctx->length = charsets[charset].length; |
| 377 ctx->from_utf8 = charsets[source_charset].utf8; | |
| 378 ctx->to_utf8 = charsets[charset].utf8; | |
| 379 | |
| 380 if ((ctx->to_utf8 || ctx->from_utf8) && r == r->main) { | |
| 381 ngx_http_clear_content_length(r); | |
| 382 } | |
|
339
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|
383 |
|
346
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343
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|
384 r->filter_need_in_memory = 1; |
|
339
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|
385 |
|
155
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386 return ngx_http_next_header_filter(r); |
|
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|
387 } |
|
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parents:
diff
changeset
|
388 |
|
a059e1aa65d4
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parents:
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changeset
|
389 |
| 501 | 390 static ngx_int_t |
| 391 ngx_http_charset_body_filter(ngx_http_request_t *r, ngx_chain_t *in) | |
|
99
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|
392 { |
| 657 | 393 ngx_int_t rc; |
| 394 ngx_buf_t *b; | |
| 395 ngx_chain_t *cl, *out, **ll; | |
| 635 | 396 ngx_http_charset_ctx_t *ctx; |
|
339
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338
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|
397 |
|
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338
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|
398 ctx = ngx_http_get_module_ctx(r, ngx_http_charset_filter_module); |
|
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338
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|
399 |
| 635 | 400 if (ctx == NULL || ctx->table == NULL) { |
|
339
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338
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401 return ngx_http_next_body_filter(r, in); |
|
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338
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|
402 } |
|
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338
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|
403 |
| 657 | 404 if ((ctx->to_utf8 || ctx->from_utf8) || ctx->busy) { |
| 405 | |
| 406 out = NULL; | |
| 407 ll = &out; | |
| 408 | |
| 409 for (cl = in; cl; cl = cl->next) { | |
| 410 b = cl->buf; | |
| 411 | |
| 412 if (ngx_buf_size(b) == 0) { | |
| 413 continue; | |
| 414 } | |
| 415 | |
| 416 if (ctx->to_utf8) { | |
| 417 *ll = ngx_http_charset_recode_to_utf8(r->pool, b, ctx); | |
| 418 | |
| 419 } else { | |
| 420 *ll = ngx_http_charset_recode_from_utf8(r->pool, b, ctx); | |
| 421 } | |
| 422 | |
| 423 if (*ll == NULL) { | |
| 424 return NGX_ERROR; | |
| 425 } | |
| 426 | |
| 427 while (*ll) { | |
| 428 ll = &(*ll)->next; | |
| 429 } | |
| 430 } | |
| 431 | |
| 432 rc = ngx_http_next_body_filter(r, out); | |
| 433 | |
| 434 if (out) { | |
| 435 if (ctx->busy == NULL) { | |
| 436 ctx->busy = out; | |
| 437 | |
| 438 } else { | |
| 439 for (cl = ctx->busy; cl->next; cl = cl->next) { /* void */ } | |
| 440 cl->next = out; | |
| 441 } | |
| 442 } | |
| 443 | |
| 444 while (ctx->busy) { | |
| 445 | |
| 446 cl = ctx->busy; | |
| 447 b = cl->buf; | |
| 448 | |
| 449 if (ngx_buf_size(b) != 0) { | |
| 450 break; | |
| 451 } | |
| 452 | |
| 453 #if (NGX_HAVE_WRITE_ZEROCOPY) | |
| 454 if (b->zerocopy_busy) { | |
| 455 break; | |
| 456 } | |
| 457 #endif | |
| 458 | |
| 459 ctx->busy = cl->next; | |
| 460 | |
| 461 if (b->tag != (ngx_buf_tag_t) &ngx_http_charset_filter_module) { | |
| 462 continue; | |
| 463 } | |
| 464 | |
| 465 if (b->shadow) { | |
| 466 b->shadow->pos = b->shadow->last; | |
| 467 } | |
| 468 | |
| 469 if (b->pos) { | |
| 470 cl->next = ctx->free_buffers; | |
| 471 ctx->free_buffers = cl; | |
| 472 continue; | |
| 473 } | |
| 474 | |
| 475 cl->next = ctx->free_bufs; | |
| 476 ctx->free_bufs = cl; | |
| 477 } | |
| 478 | |
| 479 return rc; | |
| 480 } | |
| 481 | |
|
339
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338
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|
482 for (cl = in; cl; cl = cl->next) { |
| 635 | 483 (void) ngx_http_charset_recode(cl->buf, ctx->table); |
|
339
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|
484 } |
|
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338
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|
485 |
|
155
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|
486 return ngx_http_next_body_filter(r, in); |
|
99
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|
487 } |
|
339
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338
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changeset
|
488 |
|
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338
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|
489 |
| 501 | 490 static ngx_uint_t |
| 635 | 491 ngx_http_charset_recode(ngx_buf_t *b, u_char *table) |
|
339
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338
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|
492 { |
| 635 | 493 u_char *p; |
|
339
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338
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|
494 |
|
343
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
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340
diff
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|
495 for (p = b->pos; p < b->last; p++) { |
| 635 | 496 |
| 497 if (*p == table[*p]) { | |
| 498 continue; | |
| 455 | 499 } |
| 500 | |
| 501 while (p < b->last) { | |
| 502 *p = table[*p]; | |
| 503 p++; | |
| 504 } | |
| 505 | |
| 506 b->in_file = 0; | |
| 635 | 507 |
| 508 return 1; | |
| 455 | 509 } |
| 510 | |
| 635 | 511 return 0; |
|
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512 } |
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513 |
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514 |
| 657 | 515 static ngx_chain_t * |
| 516 ngx_http_charset_recode_from_utf8(ngx_pool_t *pool, ngx_buf_t *buf, | |
| 517 ngx_http_charset_ctx_t *ctx) | |
| 518 { | |
| 519 size_t len, size; | |
| 520 u_char c, *p, *src, *dst, *saved, **table; | |
| 521 uint32_t n; | |
| 522 ngx_buf_t *b; | |
| 523 ngx_uint_t i; | |
| 524 ngx_chain_t *out, *cl, **ll; | |
| 525 | |
| 526 src = buf->pos; | |
| 527 | |
| 528 if (ctx->saved_len == 0) { | |
| 529 | |
| 530 for ( /* void */ ; src < buf->last; src++) { | |
| 531 | |
| 532 if (*src < 0x80) { | |
| 533 continue; | |
| 534 } | |
| 535 | |
| 536 len = src - buf->pos; | |
| 537 | |
| 538 if (len > 512) { | |
| 539 out = ngx_http_charset_get_buf(pool, ctx); | |
| 540 if (out == NULL) { | |
| 541 return NULL; | |
| 542 } | |
| 543 | |
| 544 b = out->buf; | |
| 545 | |
| 546 b->temporary = buf->temporary; | |
| 547 b->memory = buf->memory; | |
| 548 b->mmap = buf->mmap; | |
| 549 b->flush = buf->flush; | |
| 550 | |
| 551 b->pos = buf->pos; | |
| 552 b->last = src; | |
| 553 | |
| 554 out->buf = b; | |
| 555 out->next = NULL; | |
| 556 | |
| 557 size = buf->last - src; | |
| 558 | |
| 559 saved = src; | |
| 560 n = ngx_utf_decode(&saved, size); | |
| 561 | |
| 562 if (n == 0xfffffffe) { | |
| 563 /* incomplete UTF-8 symbol */ | |
| 564 | |
| 565 ngx_memcpy(ctx->saved, src, size); | |
| 566 ctx->saved_len = size; | |
| 567 | |
| 568 b->shadow = buf; | |
| 569 | |
| 570 return out; | |
| 571 } | |
| 572 | |
| 573 } else { | |
| 574 out = NULL; | |
| 575 size = len + buf->last - src; | |
| 576 src = buf->pos; | |
| 577 } | |
| 578 | |
| 579 if (size < NGX_HTML_ENTITY_LEN) { | |
| 580 size += NGX_HTML_ENTITY_LEN; | |
| 581 } | |
| 582 | |
| 583 cl = ngx_http_charset_get_buffer(pool, ctx, size); | |
| 584 if (cl == NULL) { | |
| 585 return NULL; | |
| 586 } | |
| 587 | |
| 588 if (out) { | |
| 589 out->next = cl; | |
| 590 | |
| 591 } else { | |
| 592 out = cl; | |
| 593 } | |
| 594 | |
| 595 b = cl->buf; | |
| 596 dst = b->pos; | |
| 597 | |
| 598 goto recode; | |
| 599 } | |
| 600 | |
| 601 out = ngx_alloc_chain_link(pool); | |
| 602 if (out == NULL) { | |
| 603 return NULL; | |
| 604 } | |
| 605 | |
| 606 out->buf = buf; | |
| 607 out->next = NULL; | |
| 608 | |
| 609 return out; | |
| 610 } | |
| 611 | |
| 612 /* process incomplete UTF sequence from previous buffer */ | |
| 613 | |
| 614 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, pool->log, 0, | |
| 615 "http charset utf saved: %z", ctx->saved_len); | |
| 616 | |
| 617 p = src; | |
| 618 | |
| 619 for (i = ctx->saved_len; i < NGX_UTF_LEN; i++) { | |
| 620 ctx->saved[i] = *p++; | |
| 621 | |
| 622 if (p == buf->last) { | |
| 623 break; | |
| 624 } | |
| 625 } | |
| 626 | |
| 627 saved = ctx->saved; | |
| 628 n = ngx_utf_decode(&saved, i); | |
| 629 | |
| 630 c = '\0'; | |
| 631 | |
| 632 if (n < 0x10000) { | |
| 633 table = (u_char **) ctx->table; | |
| 634 p = table[n >> 8]; | |
| 635 | |
| 636 if (p) { | |
| 637 c = p[n & 0xff]; | |
| 638 } | |
| 639 | |
| 640 } else if (n == 0xfffffffe) { | |
| 641 | |
| 642 /* incomplete UTF-8 symbol */ | |
| 643 | |
| 644 if (i < NGX_UTF_LEN) { | |
| 645 out = ngx_http_charset_get_buf(pool, ctx); | |
| 646 if (out == NULL) { | |
| 647 return NULL; | |
| 648 } | |
| 649 | |
| 650 b = out->buf; | |
| 651 | |
| 652 b->pos = buf->pos; | |
| 653 b->last = buf->last; | |
| 654 b->sync = 1; | |
| 655 b->shadow = buf; | |
| 656 | |
| 657 ngx_memcpy(&ctx->saved[ctx->saved_len], src, i); | |
| 658 ctx->saved_len += i; | |
| 659 | |
| 660 return out; | |
| 661 } | |
| 662 } | |
| 663 | |
| 664 size = buf->last - buf->pos; | |
| 665 | |
| 666 if (size < NGX_HTML_ENTITY_LEN) { | |
| 667 size += NGX_HTML_ENTITY_LEN; | |
| 668 } | |
| 669 | |
| 670 cl = ngx_http_charset_get_buffer(pool, ctx, size); | |
| 671 if (cl == NULL) { | |
| 672 return NULL; | |
| 673 } | |
| 674 | |
| 675 out = cl; | |
| 676 | |
| 677 b = cl->buf; | |
| 678 dst = b->pos; | |
| 679 | |
| 680 if (c) { | |
| 681 *dst++ = c; | |
| 682 | |
| 683 } else if (n == 0xfffffffe) { | |
| 684 *dst++ = '?'; | |
| 685 | |
| 686 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, pool->log, 0, | |
| 687 "http charset invalid utf 0"); | |
| 688 | |
| 689 saved = &ctx->saved[NGX_UTF_LEN]; | |
| 690 | |
| 691 } else if (n > 0x10ffff) { | |
| 692 *dst++ = '?'; | |
| 693 | |
| 694 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, pool->log, 0, | |
| 695 "http charset invalid utf 1"); | |
| 696 | |
| 697 } else { | |
| 698 dst = ngx_sprintf(dst, "&#%uD;", n); | |
| 699 } | |
| 700 | |
| 701 src += (saved - ctx->saved) - ctx->saved_len; | |
| 702 ctx->saved_len = 0; | |
| 703 | |
| 704 recode: | |
| 705 | |
| 706 ll = &cl->next; | |
| 707 | |
| 708 table = (u_char **) ctx->table; | |
| 709 | |
| 710 while (src < buf->last) { | |
| 711 | |
| 712 if ((size_t) (b->end - dst) < NGX_HTML_ENTITY_LEN) { | |
| 713 b->last = dst; | |
| 714 | |
| 715 size = buf->last - src + NGX_HTML_ENTITY_LEN; | |
| 716 | |
| 717 cl = ngx_http_charset_get_buffer(pool, ctx, size); | |
| 718 if (cl == NULL) { | |
| 719 return NULL; | |
| 720 } | |
| 721 | |
| 722 *ll = cl; | |
| 723 ll = &cl->next; | |
| 724 | |
| 725 b = cl->buf; | |
| 726 dst = b->pos; | |
| 727 } | |
| 728 | |
| 729 if (*src < 0x80) { | |
| 730 *dst++ = *src++; | |
| 731 continue; | |
| 732 } | |
| 733 | |
| 734 len = buf->last - src; | |
| 735 | |
| 736 n = ngx_utf_decode(&src, len); | |
| 737 | |
| 738 if (n < 0x10000) { | |
| 739 | |
| 740 p = table[n >> 8]; | |
| 741 | |
| 742 if (p) { | |
| 743 c = p[n & 0xff]; | |
| 744 | |
| 745 if (c) { | |
| 746 *dst++ = c; | |
| 747 continue; | |
| 748 } | |
| 749 } | |
| 750 | |
| 751 dst = ngx_sprintf(dst, "&#%uD;", n); | |
| 752 | |
| 753 continue; | |
| 754 } | |
| 755 | |
| 756 if (n == 0xfffffffe) { | |
| 757 /* incomplete UTF-8 symbol */ | |
| 758 | |
| 759 ngx_memcpy(ctx->saved, src, len); | |
| 760 ctx->saved_len = len; | |
| 761 | |
| 762 if (b->pos == dst) { | |
| 763 b->sync = 1; | |
| 764 b->temporary = 0; | |
| 765 } | |
| 766 | |
| 767 break; | |
| 768 } | |
| 769 | |
| 770 if (n > 0x10ffff) { | |
| 771 *dst++ = '?'; | |
| 772 | |
| 773 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, pool->log, 0, | |
| 774 "http charset invalid utf 2"); | |
| 775 | |
| 776 continue; | |
| 777 } | |
| 778 | |
| 779 /* n > 0xffff */ | |
| 780 | |
| 781 dst = ngx_sprintf(dst, "&#%uD;", n); | |
| 782 } | |
| 783 | |
| 784 b->last = dst; | |
| 785 | |
| 786 b->last_buf = buf->last_buf; | |
| 787 b->last_in_chain = buf->last_in_chain; | |
| 788 b->flush = buf->flush; | |
| 789 | |
| 790 b->shadow = buf; | |
| 791 | |
| 792 return out; | |
| 793 } | |
| 794 | |
| 795 | |
| 796 static ngx_chain_t * | |
| 797 ngx_http_charset_recode_to_utf8(ngx_pool_t *pool, ngx_buf_t *buf, | |
| 798 ngx_http_charset_ctx_t *ctx) | |
| 799 { | |
| 800 size_t len, size; | |
| 801 u_char *p, *src, *dst, *table; | |
| 802 ngx_buf_t *b; | |
| 803 ngx_chain_t *out, *cl, **ll; | |
| 804 | |
| 805 table = ctx->table; | |
| 806 | |
| 807 for (src = buf->pos; src < buf->last; src++) { | |
| 808 if (table[*src * NGX_UTF_LEN] == '\1') { | |
| 809 continue; | |
| 810 } | |
| 811 | |
| 812 goto recode; | |
| 813 } | |
| 814 | |
| 815 out = ngx_alloc_chain_link(pool); | |
| 816 if (out == NULL) { | |
| 817 return NULL; | |
| 818 } | |
| 819 | |
| 820 out->buf = buf; | |
| 821 out->next = NULL; | |
| 822 | |
| 823 return out; | |
| 824 | |
| 825 recode: | |
| 826 | |
| 827 /* | |
| 828 * we assume that there are about half of characters to be recoded, | |
| 829 * so we preallocate "size / 2 + size / 2 * ctx->length" | |
| 830 */ | |
| 831 | |
| 832 len = src - buf->pos; | |
| 833 | |
| 834 if (len > 512) { | |
| 835 out = ngx_http_charset_get_buf(pool, ctx); | |
| 836 if (out == NULL) { | |
| 837 return NULL; | |
| 838 } | |
| 839 | |
| 840 b = out->buf; | |
| 841 | |
| 842 b->temporary = buf->temporary; | |
| 843 b->memory = buf->memory; | |
| 844 b->mmap = buf->mmap; | |
| 845 b->flush = buf->flush; | |
| 846 | |
| 847 b->pos = buf->pos; | |
| 848 b->last = src; | |
| 849 | |
| 850 out->buf = b; | |
| 851 out->next = NULL; | |
| 852 | |
| 853 size = buf->last - src; | |
| 854 size = size / 2 + size / 2 * ctx->length; | |
| 855 | |
| 856 } else { | |
| 857 out = NULL; | |
| 858 | |
| 859 size = buf->last - src; | |
| 860 size = len + size / 2 + size / 2 * ctx->length; | |
| 861 | |
| 862 src = buf->pos; | |
| 863 } | |
| 864 | |
| 865 cl = ngx_http_charset_get_buffer(pool, ctx, size); | |
| 866 if (cl == NULL) { | |
| 867 return NULL; | |
| 868 } | |
| 869 | |
| 870 if (out) { | |
| 871 out->next = cl; | |
| 872 | |
| 873 } else { | |
| 874 out = cl; | |
| 875 } | |
| 876 | |
| 877 ll = &cl->next; | |
| 878 | |
| 879 b = cl->buf; | |
| 880 dst = b->pos; | |
| 881 | |
| 882 while (src < buf->last) { | |
| 883 | |
| 884 p = &table[*src++ * NGX_UTF_LEN]; | |
| 885 len = *p++; | |
| 886 | |
| 887 if ((size_t) (b->end - dst) < len) { | |
| 888 b->last = dst; | |
| 889 | |
| 890 size = buf->last - src; | |
| 891 size = len + size / 2 + size / 2 * ctx->length; | |
| 892 | |
| 893 cl = ngx_http_charset_get_buffer(pool, ctx, size); | |
| 894 if (cl == NULL) { | |
| 895 return NULL; | |
| 896 } | |
| 897 | |
| 898 *ll = cl; | |
| 899 ll = &cl->next; | |
| 900 | |
| 901 b = cl->buf; | |
| 902 dst = b->pos; | |
| 903 } | |
| 904 | |
| 905 while (len) { | |
| 906 *dst++ = *p++; | |
| 907 len--; | |
| 908 } | |
| 909 } | |
| 910 | |
| 911 b->last = dst; | |
| 912 | |
| 913 b->last_buf = buf->last_buf; | |
| 914 b->last_in_chain = buf->last_in_chain; | |
| 915 b->flush = buf->flush; | |
| 916 | |
| 917 b->shadow = buf; | |
| 918 | |
| 919 return out; | |
| 920 } | |
| 921 | |
| 922 | |
| 923 static ngx_chain_t * | |
| 924 ngx_http_charset_get_buf(ngx_pool_t *pool, ngx_http_charset_ctx_t *ctx) | |
| 925 { | |
| 926 ngx_chain_t *cl; | |
| 927 | |
| 928 cl = ctx->free_bufs; | |
| 929 | |
| 930 if (cl) { | |
| 931 ctx->free_bufs = cl->next; | |
| 932 | |
| 933 cl->buf->shadow = NULL; | |
| 934 cl->next = NULL; | |
| 935 | |
| 936 return cl; | |
| 937 } | |
| 938 | |
| 939 cl = ngx_alloc_chain_link(pool); | |
| 940 if (cl == NULL) { | |
| 941 return NULL; | |
| 942 } | |
| 943 | |
| 944 cl->buf = ngx_calloc_buf(pool); | |
| 945 if (cl->buf == NULL) { | |
| 946 return NULL; | |
| 947 } | |
| 948 | |
| 949 cl->next = NULL; | |
| 950 | |
| 951 cl->buf->tag = (ngx_buf_tag_t) &ngx_http_charset_filter_module; | |
| 952 | |
| 953 return cl; | |
| 954 } | |
| 955 | |
| 956 | |
| 957 static ngx_chain_t * | |
| 958 ngx_http_charset_get_buffer(ngx_pool_t *pool, ngx_http_charset_ctx_t *ctx, | |
| 959 size_t size) | |
| 960 { | |
| 961 ngx_buf_t *b; | |
| 962 ngx_chain_t *cl, **ll; | |
| 963 | |
| 964 for (ll = &ctx->free_buffers, cl = ctx->free_buffers; | |
| 965 cl; | |
| 966 ll = &cl->next, cl = cl->next) | |
| 967 { | |
| 968 b = cl->buf; | |
| 969 | |
| 970 if ((size_t) (b->end - b->start) >= size) { | |
| 971 *ll = cl->next; | |
| 972 cl->next = NULL; | |
| 973 | |
| 974 b->pos = b->start; | |
| 975 b->temporary = 1; | |
| 976 b->shadow = NULL; | |
| 977 | |
| 978 return cl; | |
| 979 } | |
| 980 } | |
| 981 | |
| 982 cl = ngx_alloc_chain_link(pool); | |
| 983 if (cl == NULL) { | |
| 984 return NULL; | |
| 985 } | |
| 986 | |
| 987 cl->buf = ngx_create_temp_buf(pool, size); | |
| 988 if (cl->buf == NULL) { | |
| 989 return NULL; | |
| 990 } | |
| 991 | |
| 992 cl->next = NULL; | |
| 993 | |
| 994 cl->buf->temporary = 1; | |
| 995 cl->buf->tag = (ngx_buf_tag_t) &ngx_http_charset_filter_module; | |
| 996 | |
| 997 return cl; | |
| 998 } | |
| 999 | |
| 1000 | |
| 501 | 1001 static char * |
| 657 | 1002 ngx_http_charset_map_block(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
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1003 { |
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1004 ngx_http_charset_main_conf_t *mcf = conf; |
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1005 |
| 657 | 1006 char *rv; |
| 1007 u_char *p, *dst2src, **pp; | |
| 1008 ngx_int_t src, dst; | |
| 1009 ngx_uint_t i, n; | |
| 1010 ngx_str_t *value; | |
| 1011 ngx_conf_t pvcf; | |
| 1012 ngx_http_charset_t *charset; | |
| 1013 ngx_http_charset_tables_t *table; | |
| 1014 ngx_http_charset_conf_ctx_t ctx; | |
|
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1015 |
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1016 value = cf->args->elts; |
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1017 |
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1018 src = ngx_http_add_charset(&mcf->charsets, &value[1]); |
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1019 if (src == NGX_ERROR) { |
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1020 return NGX_CONF_ERROR; |
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1021 } |
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1022 |
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1023 dst = ngx_http_add_charset(&mcf->charsets, &value[2]); |
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1024 if (dst == NGX_ERROR) { |
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1025 return NGX_CONF_ERROR; |
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1026 } |
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1027 |
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1028 if (src == dst) { |
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1029 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
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1030 "\"charset_map\" between the same charsets " |
| 461 | 1031 "\"%V\" and \"%V\"", &value[1], &value[2]); |
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1032 return NGX_CONF_ERROR; |
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1033 } |
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1034 |
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1035 table = mcf->tables.elts; |
|
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1036 for (i = 0; i < mcf->tables.nelts; i++) { |
|
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1037 if ((src == table->src && dst == table->dst) |
|
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1038 || (src == table->dst && dst == table->src)) |
|
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1039 { |
|
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1040 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
|
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1041 "duplicate \"charset_map\" between " |
| 461 | 1042 "\"%V\" and \"%V\"", &value[1], &value[2]); |
|
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1043 return NGX_CONF_ERROR; |
|
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1044 } |
|
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1045 } |
|
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1046 |
| 501 | 1047 table = ngx_array_push(&mcf->tables); |
| 1048 if (table == NULL) { | |
|
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1049 return NGX_CONF_ERROR; |
|
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1050 } |
|
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|
1051 |
|
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1052 table->src = src; |
|
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1053 table->dst = dst; |
|
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1054 |
| 657 | 1055 if (ngx_strcasecmp(value[2].data, "utf-8") == 0) { |
| 1056 table->src2dst = ngx_pcalloc(cf->pool, 256 * NGX_UTF_LEN); | |
| 1057 if (table->src2dst == NULL) { | |
| 1058 return NGX_CONF_ERROR; | |
| 1059 } | |
| 1060 | |
| 1061 table->dst2src = ngx_pcalloc(cf->pool, 256 * sizeof(void *)); | |
| 1062 if (table->dst2src == NULL) { | |
| 1063 return NGX_CONF_ERROR; | |
| 1064 } | |
| 1065 | |
| 1066 dst2src = ngx_pcalloc(cf->pool, 256); | |
| 1067 if (dst2src == NULL) { | |
| 1068 return NGX_CONF_ERROR; | |
| 1069 } | |
| 1070 | |
| 1071 pp = (u_char **) &table->dst2src[0]; | |
| 1072 pp[0] = dst2src; | |
| 1073 | |
| 1074 for (i = 0; i < 128; i++) { | |
| 1075 p = &table->src2dst[i * NGX_UTF_LEN]; | |
| 1076 p[0] = '\1'; | |
| 1077 p[1] = (u_char) i; | |
| 1078 dst2src[i] = (u_char) i; | |
| 1079 } | |
|
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1080 |
| 657 | 1081 for (/* void */; i < 256; i++) { |
| 1082 p = &table->src2dst[i * NGX_UTF_LEN]; | |
| 1083 p[0] = '\1'; | |
| 1084 p[1] = '?'; | |
| 1085 } | |
| 1086 | |
| 1087 } else { | |
| 1088 table->src2dst = ngx_palloc(cf->pool, 256); | |
| 1089 if (table->src2dst == NULL) { | |
| 1090 return NGX_CONF_ERROR; | |
| 1091 } | |
| 1092 | |
| 1093 table->dst2src = ngx_palloc(cf->pool, 256); | |
| 1094 if (table->dst2src == NULL) { | |
| 1095 return NGX_CONF_ERROR; | |
| 1096 } | |
| 1097 | |
| 1098 for (i = 0; i < 128; i++) { | |
| 1099 table->src2dst[i] = (u_char) i; | |
| 1100 table->dst2src[i] = (u_char) i; | |
| 1101 } | |
| 1102 | |
| 1103 for (/* void */; i < 256; i++) { | |
| 1104 table->src2dst[i] = '?'; | |
| 1105 table->dst2src[i] = '?'; | |
| 1106 } | |
|
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|
1107 } |
|
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|
1108 |
| 657 | 1109 charset = mcf->charsets.elts; |
|
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|
1110 |
| 657 | 1111 ctx.table = table; |
| 1112 ctx.charset = &charset[dst]; | |
| 1113 ctx.characters = 0; | |
|
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|
1114 |
|
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|
1115 pvcf = *cf; |
| 657 | 1116 cf->ctx = &ctx; |
| 1117 cf->handler = ngx_http_charset_map; | |
|
338
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parents:
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|
1118 cf->handler_conf = conf; |
| 501 | 1119 |
|
338
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|
1120 rv = ngx_conf_parse(cf, NULL); |
| 501 | 1121 |
|
339
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|
1122 *cf = pvcf; |
|
338
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|
1123 |
| 657 | 1124 if (ctx.characters) { |
| 1125 n = ctx.charset->length; | |
| 1126 ctx.charset->length /= ctx.characters; | |
| 1127 | |
| 1128 if (((n * 10) / ctx.characters) % 10 > 4) { | |
| 1129 ctx.charset->length++; | |
| 1130 } | |
| 1131 } | |
| 1132 | |
|
338
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|
1133 return rv; |
|
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parents:
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changeset
|
1134 } |
|
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parents:
307
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changeset
|
1135 |
|
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parents:
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changeset
|
1136 |
| 501 | 1137 static char * |
| 657 | 1138 ngx_http_charset_map(ngx_conf_t *cf, ngx_command_t *dummy, void *conf) |
|
338
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parents:
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|
1139 { |
| 657 | 1140 u_char *p, *dst2src, **pp; |
| 1141 uint32_t n; | |
| 1142 ngx_int_t src, dst; | |
| 1143 ngx_str_t *value; | |
| 1144 ngx_uint_t i; | |
| 1145 ngx_http_charset_tables_t *table; | |
| 1146 ngx_http_charset_conf_ctx_t *ctx; | |
|
338
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parents:
307
diff
changeset
|
1147 |
|
0376cffa29e6
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parents:
307
diff
changeset
|
1148 if (cf->args->nelts != 2) { |
|
0376cffa29e6
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parents:
307
diff
changeset
|
1149 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "invalid parameters number"); |
|
0376cffa29e6
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parents:
307
diff
changeset
|
1150 return NGX_CONF_ERROR; |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
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parents:
307
diff
changeset
|
1151 } |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
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parents:
307
diff
changeset
|
1152 |
|
339
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parents:
338
diff
changeset
|
1153 value = cf->args->elts; |
|
338
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parents:
307
diff
changeset
|
1154 |
|
339
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parents:
338
diff
changeset
|
1155 src = ngx_hextoi(value[0].data, value[0].len); |
|
338
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parents:
307
diff
changeset
|
1156 if (src == NGX_ERROR || src > 255) { |
|
0376cffa29e6
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parents:
307
diff
changeset
|
1157 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| 461 | 1158 "invalid value \"%V\"", &value[0]); |
|
339
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parents:
338
diff
changeset
|
1159 return NGX_CONF_ERROR; |
|
8c5b69141dfd
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parents:
338
diff
changeset
|
1160 } |
|
8c5b69141dfd
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parents:
338
diff
changeset
|
1161 |
| 657 | 1162 ctx = cf->ctx; |
| 1163 table = ctx->table; | |
| 1164 | |
| 1165 if (ctx->charset->utf8) { | |
| 1166 p = &table->src2dst[src * NGX_UTF_LEN]; | |
| 1167 | |
| 1168 *p++ = (u_char) (value[1].len / 2); | |
| 1169 | |
| 1170 for (i = 0; i < value[1].len; i += 2) { | |
| 1171 dst = ngx_hextoi(&value[1].data[i], 2); | |
| 1172 if (dst == NGX_ERROR || dst > 255) { | |
| 1173 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 1174 "invalid value \"%V\"", &value[1]); | |
| 1175 return NGX_CONF_ERROR; | |
| 1176 } | |
| 1177 | |
| 1178 *p++ = (u_char) dst; | |
| 1179 } | |
| 1180 | |
| 1181 i /= 2; | |
| 1182 | |
| 1183 ctx->charset->length += i; | |
| 1184 ctx->characters++; | |
| 1185 | |
| 1186 p = &table->src2dst[src * NGX_UTF_LEN] + 1; | |
| 1187 | |
| 1188 n = ngx_utf_decode(&p, i); | |
| 1189 | |
| 1190 if (n > 0xffff) { | |
| 1191 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 1192 "invalid value \"%V\"", &value[1]); | |
| 1193 return NGX_CONF_ERROR; | |
| 1194 } | |
| 1195 | |
| 1196 pp = (u_char **) &table->dst2src[0]; | |
| 1197 | |
| 1198 dst2src = pp[n >> 8]; | |
| 1199 | |
| 1200 if (dst2src == NULL) { | |
| 1201 dst2src = ngx_pcalloc(cf->pool, 256); | |
| 1202 if (dst2src == NULL) { | |
| 1203 return NGX_CONF_ERROR; | |
| 1204 } | |
| 1205 | |
| 1206 pp[n >> 8] = dst2src; | |
| 1207 } | |
| 1208 | |
| 1209 dst2src[n & 0xff] = (u_char) src; | |
| 1210 | |
| 1211 } else { | |
| 1212 dst = ngx_hextoi(value[1].data, value[1].len); | |
| 1213 if (dst == NGX_ERROR || dst > 255) { | |
| 1214 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 1215 "invalid value \"%V\"", &value[1]); | |
| 1216 return NGX_CONF_ERROR; | |
| 1217 } | |
| 1218 | |
| 1219 table->src2dst[src] = (u_char) dst; | |
| 1220 table->dst2src[dst] = (u_char) src; | |
|
338
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parents:
307
diff
changeset
|
1221 } |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
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parents:
307
diff
changeset
|
1222 |
|
339
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parents:
338
diff
changeset
|
1223 return NGX_CONF_OK; |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
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parents:
338
diff
changeset
|
1224 } |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
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parents:
338
diff
changeset
|
1225 |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
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parents:
338
diff
changeset
|
1226 |
| 501 | 1227 static char * |
| 1228 ngx_http_set_charset_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
|
339
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parents:
338
diff
changeset
|
1229 { |
|
8c5b69141dfd
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parents:
338
diff
changeset
|
1230 char *p = conf; |
|
8c5b69141dfd
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parents:
338
diff
changeset
|
1231 |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
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parents:
338
diff
changeset
|
1232 ngx_int_t *cp; |
|
8c5b69141dfd
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parents:
338
diff
changeset
|
1233 ngx_str_t *value; |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
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parents:
338
diff
changeset
|
1234 ngx_http_charset_main_conf_t *mcf; |
|
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nginx-0.0.3-2004-05-21-20:12:13 import
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parents:
338
diff
changeset
|
1235 |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
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parents:
338
diff
changeset
|
1236 cp = (ngx_int_t *) (p + cmd->offset); |
|
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nginx-0.0.3-2004-05-21-20:12:13 import
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parents:
338
diff
changeset
|
1237 |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
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parents:
338
diff
changeset
|
1238 if (*cp != NGX_CONF_UNSET) { |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
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parents:
338
diff
changeset
|
1239 return "is duplicate"; |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
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parents:
338
diff
changeset
|
1240 } |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
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parents:
338
diff
changeset
|
1241 |
| 529 | 1242 value = cf->args->elts; |
| 1243 | |
| 1244 if (cmd->offset == offsetof(ngx_http_charset_loc_conf_t, charset) | |
| 1245 && ngx_strcmp(value[1].data, "off") == 0) | |
| 1246 { | |
| 1247 *cp = NGX_HTTP_NO_CHARSET; | |
| 1248 return NGX_CONF_OK; | |
| 1249 } | |
| 1250 | |
|
396
6f3b20c1ac50
nginx-0.0.7-2004-07-18-23:11:20 import
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parents:
389
diff
changeset
|
1251 mcf = ngx_http_conf_get_module_main_conf(cf, |
|
6f3b20c1ac50
nginx-0.0.7-2004-07-18-23:11:20 import
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parents:
389
diff
changeset
|
1252 ngx_http_charset_filter_module); |
|
6f3b20c1ac50
nginx-0.0.7-2004-07-18-23:11:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
389
diff
changeset
|
1253 |
|
339
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nginx-0.0.3-2004-05-21-20:12:13 import
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parents:
338
diff
changeset
|
1254 *cp = ngx_http_add_charset(&mcf->charsets, &value[1]); |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
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parents:
338
diff
changeset
|
1255 if (*cp == NGX_ERROR) { |
|
338
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1256 return NGX_CONF_ERROR; |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1257 } |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1258 |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1259 return NGX_CONF_OK; |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1260 } |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1261 |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1262 |
| 501 | 1263 static ngx_int_t |
| 1264 ngx_http_add_charset(ngx_array_t *charsets, ngx_str_t *name) | |
|
339
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1265 { |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1266 ngx_uint_t i; |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1267 ngx_http_charset_t *c; |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1268 |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1269 c = charsets->elts; |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1270 for (i = 0; i < charsets->nelts; i++) { |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1271 if (name->len != c[i].name.len) { |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1272 continue; |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1273 } |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1274 |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1275 if (ngx_strcasecmp(name->data, c[i].name.data) == 0) { |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1276 break; |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1277 } |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1278 } |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1279 |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1280 if (i < charsets->nelts) { |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1281 return i; |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1282 } |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1283 |
| 501 | 1284 c = ngx_array_push(charsets); |
| 1285 if (c == NULL) { | |
|
339
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1286 return NGX_ERROR; |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1287 } |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1288 |
| 455 | 1289 c->tables = NULL; |
|
339
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1290 c->name = *name; |
| 657 | 1291 c->length = 0; |
|
339
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1292 |
| 523 | 1293 if (ngx_strcasecmp(name->data, "utf-8") == 0) { |
| 1294 c->utf8 = 1; | |
| 1295 } | |
| 1296 | |
|
339
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1297 return i; |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1298 } |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1299 |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1300 |
| 501 | 1301 static ngx_int_t |
| 1302 ngx_http_charset_filter_init(ngx_cycle_t *cycle) | |
|
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1303 { |
|
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
139
diff
changeset
|
1304 ngx_http_next_header_filter = ngx_http_top_header_filter; |
|
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1305 ngx_http_top_header_filter = ngx_http_charset_header_filter; |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1306 |
|
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
139
diff
changeset
|
1307 ngx_http_next_body_filter = ngx_http_top_body_filter; |
|
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1308 ngx_http_top_body_filter = ngx_http_charset_body_filter; |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1309 |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1310 return NGX_OK; |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1311 } |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1312 |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1313 |
| 501 | 1314 static void * |
| 1315 ngx_http_charset_create_main_conf(ngx_conf_t *cf) | |
|
338
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1316 { |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1317 ngx_http_charset_main_conf_t *mcf; |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1318 |
| 501 | 1319 mcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_charset_main_conf_t)); |
| 1320 if (mcf == NULL) { | |
|
339
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1321 return NGX_CONF_ERROR; |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1322 } |
|
338
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1323 |
| 501 | 1324 if (ngx_array_init(&mcf->charsets, cf->pool, 2, sizeof(ngx_http_charset_t)) |
| 529 | 1325 == NGX_ERROR) |
| 501 | 1326 { |
| 1327 return NGX_CONF_ERROR; | |
| 1328 } | |
|
339
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1329 |
| 529 | 1330 if (ngx_array_init(&mcf->tables, cf->pool, 1, |
| 501 | 1331 sizeof(ngx_http_charset_tables_t)) == NGX_ERROR) |
| 1332 { | |
| 1333 return NGX_CONF_ERROR; | |
| 1334 } | |
|
338
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1335 |
| 529 | 1336 if (ngx_array_init(&mcf->recodes, cf->pool, 2, |
| 1337 sizeof(ngx_http_charset_recode_t)) == NGX_ERROR) | |
| 1338 { | |
| 1339 return NGX_CONF_ERROR; | |
| 1340 } | |
| 1341 | |
|
338
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1342 return mcf; |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1343 } |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1344 |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1345 |
| 501 | 1346 static void * |
| 1347 ngx_http_charset_create_loc_conf(ngx_conf_t *cf) | |
|
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1348 { |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1349 ngx_http_charset_loc_conf_t *lcf; |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1350 |
| 501 | 1351 lcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_charset_loc_conf_t)); |
| 1352 if (lcf == NULL) { | |
|
339
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1353 return NGX_CONF_ERROR; |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1354 } |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1355 |
| 529 | 1356 lcf->charset = NGX_CONF_UNSET; |
|
339
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1357 lcf->source_charset = NGX_CONF_UNSET; |
| 635 | 1358 lcf->override_charset = NGX_CONF_UNSET; |
|
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1359 |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1360 return lcf; |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1361 } |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1362 |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1363 |
| 501 | 1364 static char * |
| 1365 ngx_http_charset_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child) | |
|
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1366 { |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1367 ngx_http_charset_loc_conf_t *prev = parent; |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1368 ngx_http_charset_loc_conf_t *conf = child; |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1369 |
| 529 | 1370 ngx_uint_t i; |
| 1371 ngx_http_charset_recode_t *recode; | |
| 1372 ngx_http_charset_main_conf_t *mcf; | |
| 477 | 1373 |
| 635 | 1374 ngx_conf_merge_value(conf->override_charset, prev->override_charset, 0); |
| 529 | 1375 ngx_conf_merge_value(conf->charset, prev->charset, NGX_HTTP_NO_CHARSET); |
| 477 | 1376 |
|
339
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1377 if (conf->source_charset == NGX_CONF_UNSET) { |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1378 conf->source_charset = prev->source_charset; |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1379 } |
|
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1380 |
| 529 | 1381 if (conf->charset == NGX_HTTP_NO_CHARSET |
| 1382 || conf->source_charset == NGX_CONF_UNSET | |
| 1383 || conf->charset == conf->source_charset) | |
| 477 | 1384 { |
| 529 | 1385 return NGX_CONF_OK; |
| 477 | 1386 } |
| 1387 | |
| 529 | 1388 mcf = ngx_http_conf_get_module_main_conf(cf, |
| 1389 ngx_http_charset_filter_module); | |
| 1390 recode = mcf->recodes.elts; | |
| 1391 for (i = 0; i < mcf->recodes.nelts; i++) { | |
| 1392 if (conf->source_charset == recode[i].src | |
| 1393 && conf->charset == recode[i].dst) | |
| 1394 { | |
| 1395 return NGX_CONF_OK; | |
| 1396 } | |
| 477 | 1397 } |
| 1398 | |
| 529 | 1399 recode = ngx_array_push(&mcf->recodes); |
| 1400 if (recode == NULL) { | |
| 477 | 1401 return NGX_CONF_ERROR; |
| 1402 } | |
|
340
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
1403 |
| 529 | 1404 recode->src = conf->source_charset; |
| 1405 recode->dst = conf->charset; | |
| 1406 | |
|
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1407 return NGX_CONF_OK; |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1408 } |
| 529 | 1409 |
| 1410 | |
| 1411 static ngx_int_t | |
| 1412 ngx_http_charset_postconfiguration(ngx_conf_t *cf) | |
| 1413 { | |
| 635 | 1414 u_char **src, **dst; |
| 529 | 1415 ngx_int_t c; |
| 1416 ngx_uint_t i, t; | |
| 1417 ngx_http_charset_t *charset; | |
| 1418 ngx_http_charset_recode_t *recode; | |
| 1419 ngx_http_charset_tables_t *tables; | |
| 1420 ngx_http_charset_main_conf_t *mcf; | |
| 1421 | |
| 1422 mcf = ngx_http_conf_get_module_main_conf(cf, | |
| 1423 ngx_http_charset_filter_module); | |
| 1424 | |
| 1425 recode = mcf->recodes.elts; | |
| 1426 tables = mcf->tables.elts; | |
| 1427 charset = mcf->charsets.elts; | |
| 1428 | |
| 1429 for (i = 0; i < mcf->recodes.nelts; i++) { | |
| 1430 | |
| 1431 c = recode[i].src; | |
| 1432 | |
| 1433 for (t = 0; t < mcf->tables.nelts; t++) { | |
| 1434 | |
| 1435 if (c == tables[t].src && recode[i].dst == tables[t].dst) { | |
| 1436 goto next; | |
| 1437 } | |
| 1438 | |
| 1439 if (c == tables[t].dst && recode[i].dst == tables[t].src) { | |
| 1440 goto next; | |
| 1441 } | |
| 1442 } | |
| 1443 | |
| 1444 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, | |
| 1445 " no \"charset_map\" between the charsets " | |
| 1446 "\"%V\" and \"%V\"", | |
| 1447 &charset[c].name, &charset[recode[i].dst].name); | |
| 1448 return NGX_ERROR; | |
| 1449 | |
| 1450 next: | |
| 1451 continue; | |
| 1452 } | |
| 1453 | |
| 635 | 1454 |
| 1455 for (t = 0; t < mcf->tables.nelts; t++) { | |
| 1456 | |
| 1457 src = charset[tables[t].src].tables; | |
| 1458 | |
| 1459 if (src == NULL) { | |
| 1460 src = ngx_pcalloc(cf->pool, sizeof(u_char *) * mcf->charsets.nelts); | |
| 1461 if (src == NULL) { | |
| 1462 return NGX_ERROR; | |
| 1463 } | |
| 1464 | |
| 1465 charset[tables[t].src].tables = src; | |
| 1466 } | |
| 1467 | |
| 1468 dst = charset[tables[t].dst].tables; | |
| 1469 | |
| 1470 if (dst == NULL) { | |
| 1471 dst = ngx_pcalloc(cf->pool, sizeof(u_char *) * mcf->charsets.nelts); | |
| 1472 if (dst == NULL) { | |
| 1473 return NGX_ERROR; | |
| 1474 } | |
| 1475 | |
| 1476 charset[tables[t].dst].tables = dst; | |
| 1477 } | |
| 1478 | |
| 1479 src[tables[t].dst] = tables[t].src2dst; | |
| 1480 dst[tables[t].src] = tables[t].dst2src; | |
| 1481 } | |
| 1482 | |
| 529 | 1483 return NGX_OK; |
| 1484 } |