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1 // Copyright 2006-2008 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2008 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 "use strict"; | 5 "use strict"; |
6 | 6 |
7 // This file relies on the fact that the following declaration has been made | 7 // This file relies on the fact that the following declaration has been made |
8 // in runtime.js: | 8 // in runtime.js: |
9 // var $Array = global.Array; | 9 // var $Array = global.Array; |
10 | 10 |
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165 } else { | 165 } else { |
166 throw new $URIError("URI malformed"); | 166 throw new $URIError("URI malformed"); |
167 } | 167 } |
168 } | 168 } |
169 } | 169 } |
170 } | 170 } |
171 if (0xD800 <= value && value <= 0xDFFF) { | 171 if (0xD800 <= value && value <= 0xDFFF) { |
172 throw new $URIError("URI malformed"); | 172 throw new $URIError("URI malformed"); |
173 } | 173 } |
174 if (value < 0x10000) { | 174 if (value < 0x10000) { |
175 %_TwoByteSeqStringSetChar(index++, value, result); | 175 %_TwoByteSeqStringSetChar(result, index++, value); |
176 } else { | 176 } else { |
177 %_TwoByteSeqStringSetChar(index++, (value >> 10) + 0xd7c0, result); | 177 %_TwoByteSeqStringSetChar(result, index++, (value >> 10) + 0xd7c0); |
178 %_TwoByteSeqStringSetChar(index++, (value & 0x3ff) + 0xdc00, result); | 178 %_TwoByteSeqStringSetChar(result, index++, (value & 0x3ff) + 0xdc00); |
179 } | 179 } |
180 return index; | 180 return index; |
181 } | 181 } |
182 | 182 |
183 // ECMA-262, section 15.1.3 | 183 // ECMA-262, section 15.1.3 |
184 function Encode(uri, unescape) { | 184 function Encode(uri, unescape) { |
185 var uriLength = uri.length; | 185 var uriLength = uri.length; |
186 var array = new InternalArray(uriLength); | 186 var array = new InternalArray(uriLength); |
187 var index = 0; | 187 var index = 0; |
188 for (var k = 0; k < uriLength; k++) { | 188 for (var k = 0; k < uriLength; k++) { |
189 var cc1 = uri.charCodeAt(k); | 189 var cc1 = uri.charCodeAt(k); |
190 if (unescape(cc1)) { | 190 if (unescape(cc1)) { |
191 array[index++] = cc1; | 191 array[index++] = cc1; |
192 } else { | 192 } else { |
193 if (cc1 >= 0xDC00 && cc1 <= 0xDFFF) throw new $URIError("URI malformed")
; | 193 if (cc1 >= 0xDC00 && cc1 <= 0xDFFF) throw new $URIError("URI malformed")
; |
194 if (cc1 < 0xD800 || cc1 > 0xDBFF) { | 194 if (cc1 < 0xD800 || cc1 > 0xDBFF) { |
195 index = URIEncodeSingle(cc1, array, index); | 195 index = URIEncodeSingle(cc1, array, index); |
196 } else { | 196 } else { |
197 k++; | 197 k++; |
198 if (k == uriLength) throw new $URIError("URI malformed"); | 198 if (k == uriLength) throw new $URIError("URI malformed"); |
199 var cc2 = uri.charCodeAt(k); | 199 var cc2 = uri.charCodeAt(k); |
200 if (cc2 < 0xDC00 || cc2 > 0xDFFF) throw new $URIError("URI malformed")
; | 200 if (cc2 < 0xDC00 || cc2 > 0xDFFF) throw new $URIError("URI malformed")
; |
201 index = URIEncodePair(cc1, cc2, array, index); | 201 index = URIEncodePair(cc1, cc2, array, index); |
202 } | 202 } |
203 } | 203 } |
204 } | 204 } |
205 | 205 |
206 var result = %NewString(array.length, NEW_ONE_BYTE_STRING); | 206 var result = %NewString(array.length, NEW_ONE_BYTE_STRING); |
207 for (var i = 0; i < array.length; i++) { | 207 for (var i = 0; i < array.length; i++) { |
208 %_OneByteSeqStringSetChar(i, array[i], result); | 208 %_OneByteSeqStringSetChar(result, i, array[i]); |
209 } | 209 } |
210 return result; | 210 return result; |
211 } | 211 } |
212 | 212 |
213 // ECMA-262, section 15.1.3 | 213 // ECMA-262, section 15.1.3 |
214 function Decode(uri, reserved) { | 214 function Decode(uri, reserved) { |
215 var uriLength = uri.length; | 215 var uriLength = uri.length; |
216 var one_byte = %NewString(uriLength, NEW_ONE_BYTE_STRING); | 216 var one_byte = %NewString(uriLength, NEW_ONE_BYTE_STRING); |
217 var index = 0; | 217 var index = 0; |
218 var k = 0; | 218 var k = 0; |
219 | 219 |
220 // Optimistically assume one-byte string. | 220 // Optimistically assume one-byte string. |
221 for ( ; k < uriLength; k++) { | 221 for ( ; k < uriLength; k++) { |
222 var code = uri.charCodeAt(k); | 222 var code = uri.charCodeAt(k); |
223 if (code == 37) { // '%' | 223 if (code == 37) { // '%' |
224 if (k + 2 >= uriLength) throw new $URIError("URI malformed"); | 224 if (k + 2 >= uriLength) throw new $URIError("URI malformed"); |
225 var cc = URIHexCharsToCharCode(uri.charCodeAt(k+1), uri.charCodeAt(k+2))
; | 225 var cc = URIHexCharsToCharCode(uri.charCodeAt(k+1), uri.charCodeAt(k+2))
; |
226 if (cc >> 7) break; // Assumption wrong, two-byte string. | 226 if (cc >> 7) break; // Assumption wrong, two-byte string. |
227 if (reserved(cc)) { | 227 if (reserved(cc)) { |
228 %_OneByteSeqStringSetChar(index++, 37, one_bye); // '%'. | 228 %_OneByteSeqStringSetChar(one_byte, index++, 37); // '%'. |
229 %_OneByteSeqStringSetChar(index++, uri.charCodeAt(k+1), one_byte); | 229 %_OneByteSeqStringSetChar(one_byte, index++, uri.charCodeAt(k+1)); |
230 %_OneByteSeqStringSetChar(index++, uri.charCodeAt(k+2), one_byte); | 230 %_OneByteSeqStringSetChar(one_byte, index++, uri.charCodeAt(k+2)); |
231 } else { | 231 } else { |
232 %_OneByteSeqStringSetChar(index++, cc, one_byte); | 232 %_OneByteSeqStringSetChar(one_byte, index++, cc); |
233 } | 233 } |
234 k += 2; | 234 k += 2; |
235 } else { | 235 } else { |
236 if (code > 0x7f) break; // Assumption wrong, two-byte string. | 236 if (code > 0x7f) break; // Assumption wrong, two-byte string. |
237 %_OneByteSeqStringSetChar(index++, code, one_byte); | 237 %_OneByteSeqStringSetChar(one_byte, index++, code); |
238 } | 238 } |
239 } | 239 } |
240 | 240 |
241 one_byte = %TruncateString(one_byte, index); | 241 one_byte = %TruncateString(one_byte, index); |
242 if (k == uriLength) return one_byte; | 242 if (k == uriLength) return one_byte; |
243 | 243 |
244 // Write into two byte string. | 244 // Write into two byte string. |
245 var two_byte = %NewString(uriLength - k, NEW_TWO_BYTE_STRING); | 245 var two_byte = %NewString(uriLength - k, NEW_TWO_BYTE_STRING); |
246 index = 0; | 246 index = 0; |
247 | 247 |
248 for ( ; k < uriLength; k++) { | 248 for ( ; k < uriLength; k++) { |
249 var code = uri.charCodeAt(k); | 249 var code = uri.charCodeAt(k); |
250 if (code == 37) { // '%' | 250 if (code == 37) { // '%' |
251 if (k + 2 >= uriLength) throw new $URIError("URI malformed"); | 251 if (k + 2 >= uriLength) throw new $URIError("URI malformed"); |
252 var cc = URIHexCharsToCharCode(uri.charCodeAt(++k), uri.charCodeAt(++k))
; | 252 var cc = URIHexCharsToCharCode(uri.charCodeAt(++k), uri.charCodeAt(++k))
; |
253 if (cc >> 7) { | 253 if (cc >> 7) { |
254 var n = 0; | 254 var n = 0; |
255 while (((cc << ++n) & 0x80) != 0) { } | 255 while (((cc << ++n) & 0x80) != 0) { } |
256 if (n == 1 || n > 4) throw new $URIError("URI malformed"); | 256 if (n == 1 || n > 4) throw new $URIError("URI malformed"); |
257 var octets = new $Array(n); | 257 var octets = new $Array(n); |
258 octets[0] = cc; | 258 octets[0] = cc; |
259 if (k + 3 * (n - 1) >= uriLength) throw new $URIError("URI malformed")
; | 259 if (k + 3 * (n - 1) >= uriLength) throw new $URIError("URI malformed")
; |
260 for (var i = 1; i < n; i++) { | 260 for (var i = 1; i < n; i++) { |
261 if (uri.charAt(++k) != '%') throw new $URIError("URI malformed"); | 261 if (uri.charAt(++k) != '%') throw new $URIError("URI malformed"); |
262 octets[i] = URIHexCharsToCharCode(uri.charCodeAt(++k), | 262 octets[i] = URIHexCharsToCharCode(uri.charCodeAt(++k), |
263 uri.charCodeAt(++k)); | 263 uri.charCodeAt(++k)); |
264 } | 264 } |
265 index = URIDecodeOctets(octets, two_byte, index); | 265 index = URIDecodeOctets(octets, two_byte, index); |
266 } else if (reserved(cc)) { | 266 } else if (reserved(cc)) { |
267 %_TwoByteSeqStringSetChar(index++, 37, two_byte); // '%'. | 267 %_TwoByteSeqStringSetChar(two_byte, index++, 37); // '%'. |
268 %_TwoByteSeqStringSetChar(index++, uri.charCodeAt(k - 1), two_byte); | 268 %_TwoByteSeqStringSetChar(two_byte, index++, uri.charCodeAt(k - 1)); |
269 %_TwoByteSeqStringSetChar(index++, uri.charCodeAt(k), two_byte); | 269 %_TwoByteSeqStringSetChar(two_byte, index++, uri.charCodeAt(k)); |
270 } else { | 270 } else { |
271 %_TwoByteSeqStringSetChar(index++, cc, two_byte); | 271 %_TwoByteSeqStringSetChar(two_byte, index++, cc); |
272 } | 272 } |
273 } else { | 273 } else { |
274 %_TwoByteSeqStringSetChar(index++, code, two_byte); | 274 %_TwoByteSeqStringSetChar(two_byte, index++, code); |
275 } | 275 } |
276 } | 276 } |
277 | 277 |
278 two_byte = %TruncateString(two_byte, index); | 278 two_byte = %TruncateString(two_byte, index); |
279 return one_byte + two_byte; | 279 return one_byte + two_byte; |
280 } | 280 } |
281 | 281 |
282 // ------------------------------------------------------------------- | 282 // ------------------------------------------------------------------- |
283 // Define exported functions. | 283 // Define exported functions. |
284 | 284 |
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383 InstallFunctions(global, DONT_ENUM, $Array( | 383 InstallFunctions(global, DONT_ENUM, $Array( |
384 "escape", URIEscapeJS, | 384 "escape", URIEscapeJS, |
385 "unescape", URIUnescapeJS, | 385 "unescape", URIUnescapeJS, |
386 "decodeURI", URIDecode, | 386 "decodeURI", URIDecode, |
387 "decodeURIComponent", URIDecodeComponent, | 387 "decodeURIComponent", URIDecodeComponent, |
388 "encodeURI", URIEncode, | 388 "encodeURI", URIEncode, |
389 "encodeURIComponent", URIEncodeComponent | 389 "encodeURIComponent", URIEncodeComponent |
390 )); | 390 )); |
391 | 391 |
392 })(); | 392 })(); |
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