| 1 |
<?php |
| 2 |
|
| 3 |
namespace WPCoder\Optimization; |
| 4 |
|
| 5 |
defined( 'ABSPATH' ) || exit; |
| 6 |
|
| 7 |
class Obfuscator { |
| 8 |
// constants |
| 9 |
const IGNORE = '$1'; |
| 10 |
|
| 11 |
// validate parameters |
| 12 |
private $_script = ''; |
| 13 |
private $_encoding = 62; |
| 14 |
private $_fastDecode = true; |
| 15 |
private $_specialChars = false; |
| 16 |
|
| 17 |
private $LITERAL_ENCODING = array( |
| 18 |
'None' => 0, |
| 19 |
'Numeric' => 10, |
| 20 |
'Normal' => 62, |
| 21 |
'High ASCII' => 95 |
| 22 |
); |
| 23 |
|
| 24 |
public function __construct( $_script, $_encoding = 62, $_fastDecode = true, $_specialChars = false ) { |
| 25 |
$this->_script = $_script . "\n"; |
| 26 |
if ( array_key_exists( $_encoding, $this->LITERAL_ENCODING ) ) { |
| 27 |
$_encoding = $this->LITERAL_ENCODING[ $_encoding ]; |
| 28 |
} |
| 29 |
$this->_encoding = min( (int) $_encoding, 95 ); |
| 30 |
$this->_fastDecode = $_fastDecode; |
| 31 |
$this->_specialChars = $_specialChars; |
| 32 |
} |
| 33 |
|
| 34 |
public function pack() { |
| 35 |
$this->_addParser( '_basicCompression' ); |
| 36 |
if ( $this->_specialChars ) { |
| 37 |
$this->_addParser( '_encodeSpecialChars' ); |
| 38 |
} |
| 39 |
if ( $this->_encoding ) { |
| 40 |
$this->_addParser( '_encodeKeywords' ); |
| 41 |
} |
| 42 |
|
| 43 |
// go! |
| 44 |
return $this->_pack( $this->_script ); |
| 45 |
} |
| 46 |
|
| 47 |
// apply all parsing routines |
| 48 |
private function _pack( $script ) { |
| 49 |
for ( $i = 0; isset( $this->_parsers[ $i ] ); $i ++ ) { |
| 50 |
$script = call_user_func( array( &$this, $this->_parsers[ $i ] ), $script ); |
| 51 |
} |
| 52 |
|
| 53 |
return $script; |
| 54 |
} |
| 55 |
|
| 56 |
// keep a list of parsing functions, they'll be executed all at once |
| 57 |
private $_parsers = array(); |
| 58 |
|
| 59 |
private function _addParser( $parser ) { |
| 60 |
$this->_parsers[] = $parser; |
| 61 |
} |
| 62 |
|
| 63 |
// zero encoding - just removal of white space and comments |
| 64 |
private function _basicCompression( $script ) { |
| 65 |
$parser = new ParseMaster(); |
| 66 |
// make safe |
| 67 |
$parser->escapeChar = '\\'; |
| 68 |
// protect strings |
| 69 |
$parser->add( '/\'[^\'\\n\\r]*\'/', self::IGNORE ); |
| 70 |
$parser->add( '/"[^"\\n\\r]*"/', self::IGNORE ); |
| 71 |
// remove comments |
| 72 |
$parser->add( '/\\/\\/[^\\n\\r]*[\\n\\r]/', ' ' ); |
| 73 |
$parser->add( '/\\/\\*[^*]*\\*+([^\\/][^*]*\\*+)*\\//', ' ' ); |
| 74 |
// protect regular expressions |
| 75 |
$parser->add( '/\\s+(\\/[^\\/\\n\\r\\*][^\\/\\n\\r]*\\/g?i?)/', '$2' ); // IGNORE |
| 76 |
$parser->add( '/[^\\w\\x24\\/\'"*)\\?:]\\/[^\\/\\n\\r\\*][^\\/\\n\\r]*\\/g?i?/', self::IGNORE ); |
| 77 |
// remove: ;;; doSomething(); |
| 78 |
if ( $this->_specialChars ) { |
| 79 |
$parser->add( '/;;;[^\\n\\r]+[\\n\\r]/' ); |
| 80 |
} |
| 81 |
// remove redundant semi-colons |
| 82 |
$parser->add( '/\\(;;\\)/', self::IGNORE ); // protect for (;;) loops |
| 83 |
$parser->add( '/;+\\s*([};])/', '$2' ); |
| 84 |
// apply the above |
| 85 |
$script = $parser->exec( $script ); |
| 86 |
|
| 87 |
// remove white-space |
| 88 |
$parser->add( '/(\\b|\\x24)\\s+(\\b|\\x24)/', '$2 $3' ); |
| 89 |
$parser->add( '/([+\\-])\\s+([+\\-])/', '$2 $3' ); |
| 90 |
$parser->add( '/\\s+/', '' ); |
| 91 |
|
| 92 |
// done |
| 93 |
return $parser->exec( $script ); |
| 94 |
} |
| 95 |
|
| 96 |
private function _encodeSpecialChars( $script ) { |
| 97 |
$parser = new ParseMaster(); |
| 98 |
// replace: $name -> n, $$name -> na |
| 99 |
$parser->add( |
| 100 |
'/((\\x24+)([a-zA-Z$_]+))(\\d*)/', |
| 101 |
array( 'fn' => '_replace_name' ) |
| 102 |
); |
| 103 |
// replace: _name -> _0, double-underscore (__name) is ignored |
| 104 |
$regexp = '/\\b_[A-Za-z\\d]\\w*/'; |
| 105 |
// build the word list |
| 106 |
$keywords = $this->_analyze( $script, $regexp, '_encodePrivate' ); |
| 107 |
// quick ref |
| 108 |
$encoded = $keywords['encoded']; |
| 109 |
|
| 110 |
$parser->add( |
| 111 |
$regexp, |
| 112 |
array( |
| 113 |
'fn' => '_replace_encoded', |
| 114 |
'data' => $encoded |
| 115 |
) |
| 116 |
); |
| 117 |
|
| 118 |
return $parser->exec( $script ); |
| 119 |
} |
| 120 |
|
| 121 |
private function _encodeKeywords( $script ) { |
| 122 |
// escape high-ascii values already in the script (i.e. in strings) |
| 123 |
if ( $this->_encoding > 62 ) { |
| 124 |
$script = $this->_escape95( $script ); |
| 125 |
} |
| 126 |
// create the parser |
| 127 |
$parser = new ParseMaster(); |
| 128 |
$encode = $this->_getEncoder( $this->_encoding ); |
| 129 |
// for high-ascii, don't encode single character low-ascii |
| 130 |
$regexp = ( $this->_encoding > 62 ) ? '/\\w\\w+/' : '/\\w+/'; |
| 131 |
// build the word list |
| 132 |
$keywords = $this->_analyze( $script, $regexp, $encode ); |
| 133 |
$encoded = $keywords['encoded']; |
| 134 |
|
| 135 |
// encode |
| 136 |
$parser->add( |
| 137 |
$regexp, |
| 138 |
array( |
| 139 |
'fn' => '_replace_encoded', |
| 140 |
'data' => $encoded |
| 141 |
) |
| 142 |
); |
| 143 |
if ( empty( $script ) ) { |
| 144 |
return $script; |
| 145 |
} else { |
| 146 |
//$res = $parser->exec($script); |
| 147 |
//$res = $this->_bootStrap($res, $keywords); |
| 148 |
//return $res; |
| 149 |
return $this->_bootStrap( $parser->exec( $script ), $keywords ); |
| 150 |
} |
| 151 |
} |
| 152 |
|
| 153 |
private function _analyze( $script, $regexp, $encode ) { |
| 154 |
// analyse |
| 155 |
// retreive all words in the script |
| 156 |
$all = array(); |
| 157 |
preg_match_all( $regexp, $script, $all ); |
| 158 |
$_sorted = array(); // list of words sorted by frequency |
| 159 |
$_encoded = array(); // dictionary of word->encoding |
| 160 |
$_protected = array(); // instances of "protected" words |
| 161 |
$all = $all[0]; // simulate the javascript comportement of global match |
| 162 |
if ( ! empty( $all ) ) { |
| 163 |
$unsorted = array(); // same list, not sorted |
| 164 |
$protected = array(); // "protected" words (dictionary of word->"word") |
| 165 |
$value = array(); // dictionary of charCode->encoding (eg. 256->ff) |
| 166 |
$this->_count = array(); // word->count |
| 167 |
$i = count( $all ); |
| 168 |
$j = 0; //$word = null; |
| 169 |
// count the occurrences - used for sorting later |
| 170 |
do { |
| 171 |
-- $i; |
| 172 |
$word = '$' . $all[ $i ]; |
| 173 |
if ( ! isset( $this->_count[ $word ] ) ) { |
| 174 |
$this->_count[ $word ] = 0; |
| 175 |
$unsorted[ $j ] = $word; |
| 176 |
// make a dictionary of all of the protected words in this script |
| 177 |
// these are words that might be mistaken for encoding |
| 178 |
//if (is_string($encode) && method_exists($this, $encode)) |
| 179 |
$values[ $j ] = call_user_func( array( &$this, $encode ), $j ); |
| 180 |
$protected[ '$' . $values[ $j ] ] = $j ++; |
| 181 |
} |
| 182 |
// increment the word counter |
| 183 |
$this->_count[ $word ] ++; |
| 184 |
} while ( $i > 0 ); |
| 185 |
// prepare to sort the word list, first we must protect |
| 186 |
// words that are also used as codes. we assign them a code |
| 187 |
// equivalent to the word itself. |
| 188 |
// e.g. if "do" falls within our encoding range |
| 189 |
// then we store keywords["do"] = "do"; |
| 190 |
// this avoids problems when decoding |
| 191 |
$i = count( $unsorted ); |
| 192 |
do { |
| 193 |
$word = $unsorted[ -- $i ]; |
| 194 |
if ( isset( $protected[ $word ] ) /*!= null*/ ) { |
| 195 |
$_sorted[ $protected[ $word ] ] = substr( $word, 1 ); |
| 196 |
$_protected[ $protected[ $word ] ] = true; |
| 197 |
$this->_count[ $word ] = 0; |
| 198 |
} |
| 199 |
} while ( $i ); |
| 200 |
|
| 201 |
// sort the words by frequency |
| 202 |
// Note: the javascript and php version of sort can be different : |
| 203 |
// in php manual, usort : |
| 204 |
// " If two members compare as equal, |
| 205 |
// their order in the sorted array is undefined." |
| 206 |
// so the final packed script is different of the Dean's javascript version |
| 207 |
// but equivalent. |
| 208 |
// the ECMAscript standard does not guarantee this behaviour, |
| 209 |
// and thus not all browsers (e.g. Mozilla versions dating back to at |
| 210 |
// least 2003) respect this. |
| 211 |
usort( $unsorted, array( &$this, '_sortWords' ) ); |
| 212 |
$j = 0; |
| 213 |
// because there are "protected" words in the list |
| 214 |
// we must add the sorted words around them |
| 215 |
do { |
| 216 |
if ( ! isset( $_sorted[ $i ] ) ) { |
| 217 |
$_sorted[ $i ] = substr( $unsorted[ $j ++ ], 1 ); |
| 218 |
} |
| 219 |
$_encoded[ $_sorted[ $i ] ] = $values[ $i ]; |
| 220 |
} while ( ++ $i < count( $unsorted ) ); |
| 221 |
} |
| 222 |
|
| 223 |
return array( |
| 224 |
'sorted' => $_sorted, |
| 225 |
'encoded' => $_encoded, |
| 226 |
'protected' => $_protected |
| 227 |
); |
| 228 |
} |
| 229 |
|
| 230 |
private $_count = array(); |
| 231 |
|
| 232 |
private function _sortWords( $match1, $match2 ) { |
| 233 |
return $this->_count[ $match2 ] - $this->_count[ $match1 ]; |
| 234 |
} |
| 235 |
|
| 236 |
// build the boot function used for loading and decoding |
| 237 |
private function _bootStrap( $packed, $keywords ) { |
| 238 |
$ENCODE = $this->_safeRegExp( '$encode\\($count\\)' ); |
| 239 |
|
| 240 |
// $packed: the packed script |
| 241 |
$packed = "'" . $this->_escape( $packed ) . "'"; |
| 242 |
|
| 243 |
// $ascii: base for encoding |
| 244 |
$ascii = min( count( $keywords['sorted'] ), $this->_encoding ); |
| 245 |
if ( $ascii == 0 ) { |
| 246 |
$ascii = 1; |
| 247 |
} |
| 248 |
|
| 249 |
// $count: number of words contained in the script |
| 250 |
$count = count( $keywords['sorted'] ); |
| 251 |
|
| 252 |
// $keywords: list of words contained in the script |
| 253 |
foreach ( $keywords['protected'] as $i => $value ) { |
| 254 |
$keywords['sorted'][ $i ] = ''; |
| 255 |
} |
| 256 |
// convert from a string to an array |
| 257 |
ksort( $keywords['sorted'] ); |
| 258 |
$keywords = "'" . implode( '|', $keywords['sorted'] ) . "'.split('|')"; |
| 259 |
|
| 260 |
$encode = ( $this->_encoding > 62 ) ? '_encode95' : $this->_getEncoder( $ascii ); |
| 261 |
$encode = $this->_getJSFunction( $encode ); |
| 262 |
$encode = preg_replace( '/_encoding/', '$ascii', $encode ); |
| 263 |
$encode = preg_replace( '/arguments\\.callee/', '$encode', $encode ); |
| 264 |
$inline = '\\$count' . ( $ascii > 10 ? '.toString(\\$ascii)' : '' ); |
| 265 |
|
| 266 |
// $decode: code snippet to speed up decoding |
| 267 |
if ( $this->_fastDecode ) { |
| 268 |
// create the decoder |
| 269 |
$decode = $this->_getJSFunction( '_decodeBody' ); |
| 270 |
if ( $this->_encoding > 62 ) { |
| 271 |
$decode = preg_replace( '/\\\\w/', '[\\xa1-\\xff]', $decode ); |
| 272 |
} // perform the encoding inline for lower ascii values |
| 273 |
elseif ( $ascii < 36 ) { |
| 274 |
$decode = preg_replace( $ENCODE, $inline, $decode ); |
| 275 |
} |
| 276 |
// special case: when $count==0 there are no keywords. I want to keep |
| 277 |
// the basic shape of the unpacking funcion so i'll frig the code... |
| 278 |
if ( $count == 0 ) { |
| 279 |
$decode = preg_replace( $this->_safeRegExp( '($count)\\s*=\\s*1' ), '$1=0', $decode, 1 ); |
| 280 |
} |
| 281 |
} |
| 282 |
|
| 283 |
// boot function |
| 284 |
$unpack = $this->_getJSFunction( '_unpack' ); |
| 285 |
if ( $this->_fastDecode ) { |
| 286 |
// insert the decoder |
| 287 |
$this->buffer = $decode; |
| 288 |
$unpack = preg_replace_callback( '/\\{/', array( &$this, '_insertFastDecode' ), $unpack, 1 ); |
| 289 |
} |
| 290 |
$unpack = preg_replace( '/"/', "'", $unpack ); |
| 291 |
if ( $this->_encoding > 62 ) { // high-ascii |
| 292 |
// get rid of the word-boundaries for regexp matches |
| 293 |
$unpack = preg_replace( '/\'\\\\\\\\b\'\s*\\+|\\+\s*\'\\\\\\\\b\'/', '', $unpack ); |
| 294 |
} |
| 295 |
if ( $ascii > 36 || $this->_encoding > 62 || $this->_fastDecode ) { |
| 296 |
// insert the encode function |
| 297 |
$this->buffer = $encode; |
| 298 |
$unpack = preg_replace_callback( '/\\{/', array( &$this, '_insertFastEncode' ), $unpack, 1 ); |
| 299 |
} else { |
| 300 |
// perform the encoding inline |
| 301 |
$unpack = preg_replace( $ENCODE, $inline, $unpack ); |
| 302 |
} |
| 303 |
// pack the boot function too |
| 304 |
$unpackPacker = new Obfuscator( $unpack, 0, false, true ); |
| 305 |
$unpack = $unpackPacker->pack(); |
| 306 |
|
| 307 |
// arguments |
| 308 |
$params = array( $packed, $ascii, $count, $keywords ); |
| 309 |
if ( $this->_fastDecode ) { |
| 310 |
$params[] = 0; |
| 311 |
$params[] = '{}'; |
| 312 |
} |
| 313 |
$params = implode( ',', $params ); |
| 314 |
|
| 315 |
// the whole thing |
| 316 |
return 'eval(' . $unpack . '(' . $params . "))\n"; |
| 317 |
} |
| 318 |
|
| 319 |
private $buffer; |
| 320 |
|
| 321 |
private function _insertFastDecode( $match ) { |
| 322 |
return '{' . $this->buffer . ';'; |
| 323 |
} |
| 324 |
|
| 325 |
private function _insertFastEncode( $match ) { |
| 326 |
return '{$encode=' . $this->buffer . ';'; |
| 327 |
} |
| 328 |
|
| 329 |
// mmm.. ..which one do i need ?? |
| 330 |
private function _getEncoder( $ascii ) { |
| 331 |
return $ascii > 10 ? $ascii > 36 ? $ascii > 62 ? |
| 332 |
'_encode95' : '_encode62' : '_encode36' : '_encode10'; |
| 333 |
} |
| 334 |
|
| 335 |
// zero encoding |
| 336 |
// characters: 0123456789 |
| 337 |
private function _encode10( $charCode ) { |
| 338 |
return $charCode; |
| 339 |
} |
| 340 |
|
| 341 |
// inherent base36 support |
| 342 |
// characters: 0123456789abcdefghijklmnopqrstuvwxyz |
| 343 |
private function _encode36( $charCode ) { |
| 344 |
return base_convert( $charCode, 10, 36 ); |
| 345 |
} |
| 346 |
|
| 347 |
// hitch a ride on base36 and add the upper case alpha characters |
| 348 |
// characters: 0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ |
| 349 |
private function _encode62( $charCode ) { |
| 350 |
$res = ''; |
| 351 |
if ( $charCode >= $this->_encoding ) { |
| 352 |
$res = $this->_encode62( (int) ( $charCode / $this->_encoding ) ); |
| 353 |
} |
| 354 |
$charCode = $charCode % $this->_encoding; |
| 355 |
|
| 356 |
if ( $charCode > 35 ) { |
| 357 |
return $res . chr( $charCode + 29 ); |
| 358 |
} else { |
| 359 |
return $res . base_convert( $charCode, 10, 36 ); |
| 360 |
} |
| 361 |
} |
| 362 |
|
| 363 |
// use high-ascii values |
| 364 |
// characters: ¡¢£¤¥¦§¨©ª«¬®¯°±²³´µ¶·¸¹º»¼½¾¿ÀÁÂÃÄ� |
| 365 |
ÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖ×ØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñòóôõö÷øùúûüýþ |
| 366 |
private function _encode95( $charCode ) { |
| 367 |
$res = ''; |
| 368 |
if ( $charCode >= $this->_encoding ) { |
| 369 |
$res = $this->_encode95( $charCode / $this->_encoding ); |
| 370 |
} |
| 371 |
|
| 372 |
return $res . chr( ( $charCode % $this->_encoding ) + 161 ); |
| 373 |
} |
| 374 |
|
| 375 |
private function _safeRegExp( $string ) { |
| 376 |
return '/' . preg_replace( '/\$/', '\\\$', $string ) . '/'; |
| 377 |
} |
| 378 |
|
| 379 |
private function _encodePrivate( $charCode ) { |
| 380 |
return "_" . $charCode; |
| 381 |
} |
| 382 |
|
| 383 |
// protect characters used by the parser |
| 384 |
private function _escape( $script ) { |
| 385 |
return preg_replace( '/([\\\\\'])/', '\\\$1', $script ); |
| 386 |
} |
| 387 |
|
| 388 |
// protect high-ascii characters already in the script |
| 389 |
private function _escape95( $script ) { |
| 390 |
return preg_replace_callback( |
| 391 |
'/[\\xa1-\\xff]/', |
| 392 |
array( &$this, '_escape95Bis' ), |
| 393 |
$script |
| 394 |
); |
| 395 |
} |
| 396 |
|
| 397 |
private function _escape95Bis( $match ) { |
| 398 |
return '\x' . ( (string) dechex( ord( $match ) ) ); |
| 399 |
} |
| 400 |
|
| 401 |
|
| 402 |
private function _getJSFunction( $aName ) { |
| 403 |
if ( defined( 'self::JSFUNCTION' . $aName ) ) { |
| 404 |
return constant( 'self::JSFUNCTION' . $aName ); |
| 405 |
} else { |
| 406 |
return ''; |
| 407 |
} |
| 408 |
} |
| 409 |
|
| 410 |
// JavaScript Functions used. |
| 411 |
// Note : In Dean's version, these functions are converted |
| 412 |
// with 'String(aFunctionName);'. |
| 413 |
// This internal conversion complete the original code, ex : |
| 414 |
// 'while (aBool) anAction();' is converted to |
| 415 |
// 'while (aBool) { anAction(); }'. |
| 416 |
// The JavaScript functions below are corrected. |
| 417 |
|
| 418 |
// unpacking function - this is the boot strap function |
| 419 |
// data extracted from this packing routine is passed to |
| 420 |
// this function when decoded in the target |
| 421 |
// NOTE ! : without the ';' final. |
| 422 |
const JSFUNCTION_unpack = |
| 423 |
|
| 424 |
'function($packed, $ascii, $count, $keywords, $encode, $decode) { |
| 425 |
while ($count--) { |
| 426 |
if ($keywords[$count]) { |
| 427 |
$packed = $packed.replace(new RegExp(\'\\\\b\' + $encode($count) + \'\\\\b\', \'g\'), $keywords[$count]); |
| 428 |
} |
| 429 |
} |
| 430 |
return $packed; |
| 431 |
}'; |
| 432 |
/* |
| 433 |
'function($packed, $ascii, $count, $keywords, $encode, $decode) { |
| 434 |
while ($count--) |
| 435 |
if ($keywords[$count]) |
| 436 |
$packed = $packed.replace(new RegExp(\'\\\\b\' + $encode($count) + \'\\\\b\', \'g\'), $keywords[$count]); |
| 437 |
return $packed; |
| 438 |
}'; |
| 439 |
*/ |
| 440 |
|
| 441 |
// code-snippet inserted into the unpacker to speed up decoding |
| 442 |
const JSFUNCTION_decodeBody = |
| 443 |
//_decode = function() { |
| 444 |
// does the browser support String.replace where the |
| 445 |
// replacement value is a function? |
| 446 |
|
| 447 |
' if (!\'\'.replace(/^/, String)) { |
| 448 |
// decode all the values we need |
| 449 |
while ($count--) { |
| 450 |
$decode[$encode($count)] = $keywords[$count] || $encode($count); |
| 451 |
} |
| 452 |
// global replacement function |
| 453 |
$keywords = [function ($encoded) {return $decode[$encoded]}]; |
| 454 |
// generic match |
| 455 |
$encode = function () {return \'\\\\w+\'}; |
| 456 |
// reset the loop counter - we are now doing a global replace |
| 457 |
$count = 1; |
| 458 |
} |
| 459 |
'; |
| 460 |
//}; |
| 461 |
/* |
| 462 |
' if (!\'\'.replace(/^/, String)) { |
| 463 |
// decode all the values we need |
| 464 |
while ($count--) $decode[$encode($count)] = $keywords[$count] || $encode($count); |
| 465 |
// global replacement function |
| 466 |
$keywords = [function ($encoded) {return $decode[$encoded]}]; |
| 467 |
// generic match |
| 468 |
$encode = function () {return\'\\\\w+\'}; |
| 469 |
// reset the loop counter - we are now doing a global replace |
| 470 |
$count = 1; |
| 471 |
}'; |
| 472 |
*/ |
| 473 |
|
| 474 |
// zero encoding |
| 475 |
// characters: 0123456789 |
| 476 |
const JSFUNCTION_encode10 = |
| 477 |
'function($charCode) { |
| 478 |
return $charCode; |
| 479 |
}';//;'; |
| 480 |
|
| 481 |
// inherent base36 support |
| 482 |
// characters: 0123456789abcdefghijklmnopqrstuvwxyz |
| 483 |
const JSFUNCTION_encode36 = |
| 484 |
'function($charCode) { |
| 485 |
return $charCode.toString(36); |
| 486 |
}';//;'; |
| 487 |
|
| 488 |
// hitch a ride on base36 and add the upper case alpha characters |
| 489 |
// characters: 0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ |
| 490 |
const JSFUNCTION_encode62 = |
| 491 |
'function($charCode) { |
| 492 |
return ($charCode < _encoding ? \'\' : arguments.callee(parseInt($charCode / _encoding))) + |
| 493 |
(($charCode = $charCode % _encoding) > 35 ? String.fromCharCode($charCode + 29) : $charCode.toString(36)); |
| 494 |
}'; |
| 495 |
|
| 496 |
// use high-ascii values |
| 497 |
// characters: ¡¢£¤¥¦§¨©ª«¬®¯°±²³´µ¶·¸¹º»¼½¾¿ÀÁÂÃÄ� |
| 498 |
ÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖ×ØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñòóôõö÷øùúûüýþ |
| 499 |
const JSFUNCTION_encode95 = |
| 500 |
'function($charCode) { |
| 501 |
return ($charCode < _encoding ? \'\' : arguments.callee($charCode / _encoding)) + |
| 502 |
String.fromCharCode($charCode % _encoding + 161); |
| 503 |
}'; |
| 504 |
|
| 505 |
} |
| 506 |
|
| 507 |
|
| 508 |
|
| 509 |
|
| 510 |
|
