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IDNA2.php
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<?php // {{{ license /* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4 foldmethod=marker: */ // // +----------------------------------------------------------------------+ // | This library is free software; you can redistribute it and/or modify | // | it under the terms of the GNU Lesser General Public License as | // | published by the Free Software Foundation; either version 2.1 of the | // | License, or (at your option) any later version. | // | | // | This library is distributed in the hope that it will be useful, but | // | WITHOUT ANY WARRANTY; without even the implied warranty of | // | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | // | Lesser General Public License for more details. | // | | // | You should have received a copy of the GNU Lesser General Public | // | License along with this library; if not, write to the Free Software | // | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 | // | USA. | // +----------------------------------------------------------------------+ // // }}} require_once 'Net/IDNA2/Exception.php'; require_once 'Net/IDNA2/Exception/Nameprep.php'; /** * Encode/decode Internationalized Domain Names. * * The class allows one to convert internationalized domain names * (see RFC 3490 for details) as they can be used with various registries worldwide * to be translated between their original (localized) form and their encoded form * as it will be used in the DNS (Domain Name System). * * The class provides two public methods, encode() and decode(), which do exactly * what you would expect them to do. You are allowed to use complete domain names, * simple strings and complete email addresses as well. That means, that you might * use any of the following notations: * * - www.n�rgler.com * - xn--nrgler-wxa * - xn--brse-5qa.xn--knrz-1ra.info * * Unicode input might be given as either UTF-8 string, UCS-4 string or UCS-4 * array. Unicode output is available in the same formats. * You can select your preferred format via {@link set_paramter()}. * * ACE input and output is always expected to be ASCII. * * @package Net * @author Markus Nix <mnix@docuverse.de> * @author Matthias Sommerfeld <mso@phlylabs.de> * @author Stefan Neufeind <pear.neufeind@speedpartner.de> * @version $Id$ */ class Net_IDNA2 { // {{{ npdata /** * These Unicode codepoints are * mapped to nothing, See RFC3454 for details * * @static * @var array * @access private */ private static $_np_map_nothing = array( 0xAD, 0x34F, 0x1806, 0x180B, 0x180C, 0x180D, 0x200B, 0x200C, 0x200D, 0x2060, 0xFE00, 0xFE01, 0xFE02, 0xFE03, 0xFE04, 0xFE05, 0xFE06, 0xFE07, 0xFE08, 0xFE09, 0xFE0A, 0xFE0B, 0xFE0C, 0xFE0D, 0xFE0E, 0xFE0F, 0xFEFF ); /** * Prohibited codepints * * @static * @var array * @access private */ private static $_general_prohibited = array( 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0xA, 0xB, 0xC, 0xD, 0xE, 0xF, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F, 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2A, 0x2B, 0x2C, 0x2F, 0x3B, 0x3C, 0x3D, 0x3E, 0x3F, 0x40, 0x5B, 0x5C, 0x5D, 0x5E, 0x5F, 0x60, 0x7B, 0x7C, 0x7D, 0x7E, 0x7F, 0x3002 ); /** * Codepints prohibited by Nameprep * @static * @var array * @access private */ private static $_np_prohibit = array( 0xA0, 0x1680, 0x2000, 0x2001, 0x2002, 0x2003, 0x2004, 0x2005, 0x2006, 0x2007, 0x2008, 0x2009, 0x200A, 0x200B, 0x202F, 0x205F, 0x3000, 0x6DD, 0x70F, 0x180E, 0x200C, 0x200D, 0x2028, 0x2029, 0xFEFF, 0xFFF9, 0xFFFA, 0xFFFB, 0xFFFC, 0xFFFE, 0xFFFF, 0x1FFFE, 0x1FFFF, 0x2FFFE, 0x2FFFF, 0x3FFFE, 0x3FFFF, 0x4FFFE, 0x4FFFF, 0x5FFFE, 0x5FFFF, 0x6FFFE, 0x6FFFF, 0x7FFFE, 0x7FFFF, 0x8FFFE, 0x8FFFF, 0x9FFFE, 0x9FFFF, 0xAFFFE, 0xAFFFF, 0xBFFFE, 0xBFFFF, 0xCFFFE, 0xCFFFF, 0xDFFFE, 0xDFFFF, 0xEFFFE, 0xEFFFF, 0xFFFFE, 0xFFFFF, 0x10FFFE, 0x10FFFF, 0xFFF9, 0xFFFA, 0xFFFB, 0xFFFC, 0xFFFD, 0x340, 0x341, 0x200E, 0x200F, 0x202A, 0x202B, 0x202C, 0x202D, 0x202E, 0x206A, 0x206B, 0x206C, 0x206D, 0x206E, 0x206F, 0xE0001 ); /** * Codepoint ranges prohibited by nameprep * * @static * @var array * @access private */ private static $_np_prohibit_ranges = array( array(0x80, 0x9F ), array(0x2060, 0x206F ), array(0x1D173, 0x1D17A ), array(0xE000, 0xF8FF ), array(0xF0000, 0xFFFFD ), array(0x100000, 0x10FFFD), array(0xFDD0, 0xFDEF ), array(0xD800, 0xDFFF ), array(0x2FF0, 0x2FFB ), array(0xE0020, 0xE007F ) ); /** * Replacement mappings (casemapping, replacement sequences, ...) * * @static * @var array * @access private */ private static $_np_replacemaps = array( 0x41 => array(0x61), 0x42 => array(0x62), 0x43 => array(0x63), 0x44 => array(0x64), 0x45 => array(0x65), 0x46 => array(0x66), 0x47 => array(0x67), 0x48 => array(0x68), 0x49 => array(0x69), 0x4A => array(0x6A), 0x4B => array(0x6B), 0x4C => array(0x6C), 0x4D => array(0x6D), 0x4E => array(0x6E), 0x4F => array(0x6F), 0x50 => array(0x70), 0x51 => array(0x71), 0x52 => array(0x72), 0x53 => array(0x73), 0x54 => array(0x74), 0x55 => array(0x75), 0x56 => array(0x76), 0x57 => array(0x77), 0x58 => array(0x78), 0x59 => array(0x79), 0x5A => array(0x7A), 0xB5 => array(0x3BC), 0xC0 => array(0xE0), 0xC1 => array(0xE1), 0xC2 => array(0xE2), 0xC3 => array(0xE3), 0xC4 => array(0xE4), 0xC5 => array(0xE5), 0xC6 => array(0xE6), 0xC7 => array(0xE7), 0xC8 => array(0xE8), 0xC9 => array(0xE9), 0xCA => array(0xEA), 0xCB => array(0xEB), 0xCC => array(0xEC), 0xCD => array(0xED), 0xCE => array(0xEE), 0xCF => array(0xEF), 0xD0 => array(0xF0), 0xD1 => array(0xF1), 0xD2 => array(0xF2), 0xD3 => array(0xF3), 0xD4 => array(0xF4), 0xD5 => array(0xF5), 0xD6 => array(0xF6), 0xD8 => array(0xF8), 0xD9 => array(0xF9), 0xDA => array(0xFA), 0xDB => array(0xFB), 0xDC => array(0xFC), 0xDD => array(0xFD), 0xDE => array(0xFE), 0xDF => array(0x73, 0x73), 0x100 => array(0x101), 0x102 => array(0x103), 0x104 => array(0x105), 0x106 => array(0x107), 0x108 => array(0x109), 0x10A => array(0x10B), 0x10C => array(0x10D), 0x10E => array(0x10F), 0x110 => array(0x111), 0x112 => array(0x113), 0x114 => array(0x115), 0x116 => array(0x117), 0x118 => array(0x119), 0x11A => array(0x11B), 0x11C => array(0x11D), 0x11E => array(0x11F), 0x120 => array(0x121), 0x122 => array(0x123), 0x124 => array(0x125), 0x126 => array(0x127), 0x128 => array(0x129), 0x12A => array(0x12B), 0x12C => array(0x12D), 0x12E => array(0x12F), 0x130 => array(0x69, 0x307), 0x132 => array(0x133), 0x134 => array(0x135), 0x136 => array(0x137), 0x139 => array(0x13A), 0x13B => array(0x13C), 0x13D => array(0x13E), 0x13F => array(0x140), 0x141 => array(0x142), 0x143 => array(0x144), 0x145 => array(0x146), 0x147 => array(0x148), 0x149 => array(0x2BC, 0x6E), 0x14A => array(0x14B), 0x14C => array(0x14D), 0x14E => array(0x14F), 0x150 => array(0x151), 0x152 => array(0x153), 0x154 => array(0x155), 0x156 => array(0x157), 0x158 => array(0x159), 0x15A => array(0x15B), 0x15C => array(0x15D), 0x15E => array(0x15F), 0x160 => array(0x161), 0x162 => array(0x163), 0x164 => array(0x165), 0x166 => array(0x167), 0x168 => array(0x169), 0x16A => array(0x16B), 0x16C => array(0x16D), 0x16E => array(0x16F), 0x170 => array(0x171), 0x172 => array(0x173), 0x174 => array(0x175), 0x176 => array(0x177), 0x178 => array(0xFF), 0x179 => array(0x17A), 0x17B => array(0x17C), 0x17D => array(0x17E), 0x17F => array(0x73), 0x181 => array(0x253), 0x182 => array(0x183), 0x184 => array(0x185), 0x186 => array(0x254), 0x187 => array(0x188), 0x189 => array(0x256), 0x18A => array(0x257), 0x18B => array(0x18C), 0x18E => array(0x1DD), 0x18F => array(0x259), 0x190 => array(0x25B), 0x191 => array(0x192), 0x193 => array(0x260), 0x194 => array(0x263), 0x196 => array(0x269), 0x197 => array(0x268), 0x198 => array(0x199), 0x19C => array(0x26F), 0x19D => array(0x272), 0x19F => array(0x275), 0x1A0 => array(0x1A1), 0x1A2 => array(0x1A3), 0x1A4 => array(0x1A5), 0x1A6 => array(0x280), 0x1A7 => array(0x1A8), 0x1A9 => array(0x283), 0x1AC => array(0x1AD), 0x1AE => array(0x288), 0x1AF => array(0x1B0), 0x1B1 => array(0x28A), 0x1B2 => array(0x28B), 0x1B3 => array(0x1B4), 0x1B5 => array(0x1B6), 0x1B7 => array(0x292), 0x1B8 => array(0x1B9), 0x1BC => array(0x1BD), 0x1C4 => array(0x1C6), 0x1C5 => array(0x1C6), 0x1C7 => array(0x1C9), 0x1C8 => array(0x1C9), 0x1CA => array(0x1CC), 0x1CB => array(0x1CC), 0x1CD => array(0x1CE), 0x1CF => array(0x1D0), 0x1D1 => array(0x1D2), 0x1D3 => array(0x1D4), 0x1D5 => array(0x1D6), 0x1D7 => array(0x1D8), 0x1D9 => array(0x1DA), 0x1DB => array(0x1DC), 0x1DE => array(0x1DF), 0x1E0 => array(0x1E1), 0x1E2 => array(0x1E3), 0x1E4 => array(0x1E5), 0x1E6 => array(0x1E7), 0x1E8 => array(0x1E9), 0x1EA => array(0x1EB), 0x1EC => array(0x1ED), 0x1EE => array(0x1EF), 0x1F0 => array(0x6A, 0x30C), 0x1F1 => array(0x1F3), 0x1F2 => array(0x1F3), 0x1F4 => array(0x1F5), 0x1F6 => array(0x195), 0x1F7 => array(0x1BF), 0x1F8 => array(0x1F9), 0x1FA => array(0x1FB), 0x1FC => array(0x1FD), 0x1FE => array(0x1FF), 0x200 => array(0x201), 0x202 => array(0x203), 0x204 => array(0x205), 0x206 => array(0x207), 0x208 => array(0x209), 0x20A => array(0x20B), 0x20C => array(0x20D), 0x20E => array(0x20F), 0x210 => array(0x211), 0x212 => array(0x213), 0x214 => array(0x215), 0x216 => array(0x217), 0x218 => array(0x219), 0x21A => array(0x21B), 0x21C => array(0x21D), 0x21E => array(0x21F), 0x220 => array(0x19E), 0x222 => array(0x223), 0x224 => array(0x225), 0x226 => array(0x227), 0x228 => array(0x229), 0x22A => array(0x22B), 0x22C => array(0x22D), 0x22E => array(0x22F), 0x230 => array(0x231), 0x232 => array(0x233), 0x345 => array(0x3B9), 0x37A => array(0x20, 0x3B9), 0x386 => array(0x3AC), 0x388 => array(0x3AD), 0x389 => array(0x3AE), 0x38A => array(0x3AF), 0x38C => array(0x3CC), 0x38E => array(0x3CD), 0x38F => array(0x3CE), 0x390 => array(0x3B9, 0x308, 0x301), 0x391 => array(0x3B1), 0x392 => array(0x3B2), 0x393 => array(0x3B3), 0x394 => array(0x3B4), 0x395 => array(0x3B5), 0x396 => array(0x3B6), 0x397 => array(0x3B7), 0x398 => array(0x3B8), 0x399 => array(0x3B9), 0x39A => array(0x3BA), 0x39B => array(0x3BB), 0x39C => array(0x3BC), 0x39D => array(0x3BD), 0x39E => array(0x3BE), 0x39F => array(0x3BF), 0x3A0 => array(0x3C0), 0x3A1 => array(0x3C1), 0x3A3 => array(0x3C3), 0x3A4 => array(0x3C4), 0x3A5 => array(0x3C5), 0x3A6 => array(0x3C6), 0x3A7 => array(0x3C7), 0x3A8 => array(0x3C8), 0x3A9 => array(0x3C9), 0x3AA => array(0x3CA), 0x3AB => array(0x3CB), 0x3B0 => array(0x3C5, 0x308, 0x301), 0x3C2 => array(0x3C3), 0x3D0 => array(0x3B2), 0x3D1 => array(0x3B8), 0x3D2 => array(0x3C5), 0x3D3 => array(0x3CD), 0x3D4 => array(0x3CB), 0x3D5 => array(0x3C6), 0x3D6 => array(0x3C0), 0x3D8 => array(0x3D9), 0x3DA => array(0x3DB), 0x3DC => array(0x3DD), 0x3DE => array(0x3DF), 0x3E0 => array(0x3E1), 0x3E2 => array(0x3E3), 0x3E4 => array(0x3E5), 0x3E6 => array(0x3E7), 0x3E8 => array(0x3E9), 0x3EA => array(0x3EB), 0x3EC => array(0x3ED), 0x3EE => array(0x3EF), 0x3F0 => array(0x3BA), 0x3F1 => array(0x3C1), 0x3F2 => array(0x3C3), 0x3F4 => array(0x3B8), 0x3F5 => array(0x3B5), 0x400 => array(0x450), 0x401 => array(0x451), 0x402 => array(0x452), 0x403 => array(0x453), 0x404 => array(0x454), 0x405 => array(0x455), 0x406 => array(0x456), 0x407 => array(0x457), 0x408 => array(0x458), 0x409 => array(0x459), 0x40A => array(0x45A), 0x40B => array(0x45B), 0x40C => array(0x45C), 0x40D => array(0x45D), 0x40E => array(0x45E), 0x40F => array(0x45F), 0x410 => array(0x430), 0x411 => array(0x431), 0x412 => array(0x432), 0x413 => array(0x433), 0x414 => array(0x434), 0x415 => array(0x435), 0x416 => array(0x436), 0x417 => array(0x437), 0x418 => array(0x438), 0x419 => array(0x439), 0x41A => array(0x43A), 0x41B => array(0x43B), 0x41C => array(0x43C), 0x41D => array(0x43D), 0x41E => array(0x43E), 0x41F => array(0x43F), 0x420 => array(0x440), 0x421 => array(0x441), 0x422 => array(0x442), 0x423 => array(0x443), 0x424 => array(0x444), 0x425 => array(0x445), 0x426 => array(0x446), 0x427 => array(0x447), 0x428 => array(0x448), 0x429 => array(0x449), 0x42A => array(0x44A), 0x42B => array(0x44B), 0x42C => array(0x44C), 0x42D => array(0x44D), 0x42E => array(0x44E), 0x42F => array(0x44F), 0x460 => array(0x461), 0x462 => array(0x463), 0x464 => array(0x465), 0x466 => array(0x467), 0x468 => array(0x469), 0x46A => array(0x46B), 0x46C => array(0x46D), 0x46E => array(0x46F), 0x470 => array(0x471), 0x472 => array(0x473), 0x474 => array(0x475), 0x476 => array(0x477), 0x478 => array(0x479), 0x47A => array(0x47B), 0x47C => array(0x47D), 0x47E => array(0x47F), 0x480 => array(0x481), 0x48A => array(0x48B), 0x48C => array(0x48D), 0x48E => array(0x48F), 0x490 => array(0x491), 0x492 => array(0x493), 0x494 => array(0x495), 0x496 => array(0x497), 0x498 => array(0x499), 0x49A => array(0x49B), 0x49C => array(0x49D), 0x49E => array(0x49F), 0x4A0 => array(0x4A1), 0x4A2 => array(0x4A3), 0x4A4 => array(0x4A5), 0x4A6 => array(0x4A7), 0x4A8 => array(0x4A9), 0x4AA => array(0x4AB), 0x4AC => array(0x4AD), 0x4AE => array(0x4AF), 0x4B0 => array(0x4B1), 0x4B2 => array(0x4B3), 0x4B4 => array(0x4B5), 0x4B6 => array(0x4B7), 0x4B8 => array(0x4B9), 0x4BA => array(0x4BB), 0x4BC => array(0x4BD), 0x4BE => array(0x4BF), 0x4C1 => array(0x4C2), 0x4C3 => array(0x4C4), 0x4C5 => array(0x4C6), 0x4C7 => array(0x4C8), 0x4C9 => array(0x4CA), 0x4CB => array(0x4CC), 0x4CD => array(0x4CE), 0x4D0 => array(0x4D1), 0x4D2 => array(0x4D3), 0x4D4 => array(0x4D5), 0x4D6 => array(0x4D7), 0x4D8 => array(0x4D9), 0x4DA => array(0x4DB), 0x4DC => array(0x4DD), 0x4DE => array(0x4DF), 0x4E0 => array(0x4E1), 0x4E2 => array(0x4E3), 0x4E4 => array(0x4E5), 0x4E6 => array(0x4E7), 0x4E8 => array(0x4E9), 0x4EA => array(0x4EB), 0x4EC => array(0x4ED), 0x4EE => array(0x4EF), 0x4F0 => array(0x4F1), 0x4F2 => array(0x4F3), 0x4F4 => array(0x4F5), 0x4F8 => array(0x4F9), 0x500 => array(0x501), 0x502 => array(0x503), 0x504 => array(0x505), 0x506 => array(0x507), 0x508 => array(0x509), 0x50A => array(0x50B), 0x50C => array(0x50D), 0x50E => array(0x50F), 0x531 => array(0x561), 0x532 => array(0x562), 0x533 => array(0x563), 0x534 => array(0x564), 0x535 => array(0x565), 0x536 => array(0x566), 0x537 => array(0x567), 0x538 => array(0x568), 0x539 => array(0x569), 0x53A => array(0x56A), 0x53B => array(0x56B), 0x53C => array(0x56C), 0x53D => array(0x56D), 0x53E => array(0x56E), 0x53F => array(0x56F), 0x540 => array(0x570), 0x541 => array(0x571), 0x542 => array(0x572), 0x543 => array(0x573), 0x544 => array(0x574), 0x545 => array(0x575), 0x546 => array(0x576), 0x547 => array(0x577), 0x548 => array(0x578), 0x549 => array(0x579), 0x54A => array(0x57A), 0x54B => array(0x57B), 0x54C => array(0x57C), 0x54D => array(0x57D), 0x54E => array(0x57E), 0x54F => array(0x57F), 0x550 => array(0x580), 0x551 => array(0x581), 0x552 => array(0x582), 0x553 => array(0x583), 0x554 => array(0x584), 0x555 => array(0x585), 0x556 => array(0x586), 0x587 => array(0x565, 0x582), 0x1E00 => array(0x1E01), 0x1E02 => array(0x1E03), 0x1E04 => array(0x1E05), 0x1E06 => array(0x1E07), 0x1E08 => array(0x1E09), 0x1E0A => array(0x1E0B), 0x1E0C => array(0x1E0D), 0x1E0E => array(0x1E0F), 0x1E10 => array(0x1E11), 0x1E12 => array(0x1E13), 0x1E14 => array(0x1E15), 0x1E16 => array(0x1E17), 0x1E18 => array(0x1E19), 0x1E1A => array(0x1E1B), 0x1E1C => array(0x1E1D), 0x1E1E => array(0x1E1F), 0x1E20 => array(0x1E21), 0x1E22 => array(0x1E23), 0x1E24 => array(0x1E25), 0x1E26 => array(0x1E27), 0x1E28 => array(0x1E29), 0x1E2A => array(0x1E2B), 0x1E2C => array(0x1E2D), 0x1E2E => array(0x1E2F), 0x1E30 => array(0x1E31), 0x1E32 => array(0x1E33), 0x1E34 => array(0x1E35), 0x1E36 => array(0x1E37), 0x1E38 => array(0x1E39), 0x1E3A => array(0x1E3B), 0x1E3C => array(0x1E3D), 0x1E3E => array(0x1E3F), 0x1E40 => array(0x1E41), 0x1E42 => array(0x1E43), 0x1E44 => array(0x1E45), 0x1E46 => array(0x1E47), 0x1E48 => array(0x1E49), 0x1E4A => array(0x1E4B), 0x1E4C => array(0x1E4D), 0x1E4E => array(0x1E4F), 0x1E50 => array(0x1E51), 0x1E52 => array(0x1E53), 0x1E54 => array(0x1E55), 0x1E56 => array(0x1E57), 0x1E58 => array(0x1E59), 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array(0x1F22, 0x3B9), 0x1F93 => array(0x1F23, 0x3B9), 0x1F94 => array(0x1F24, 0x3B9), 0x1F95 => array(0x1F25, 0x3B9), 0x1F96 => array(0x1F26, 0x3B9), 0x1F97 => array(0x1F27, 0x3B9), 0x1F98 => array(0x1F20, 0x3B9), 0x1F99 => array(0x1F21, 0x3B9), 0x1F9A => array(0x1F22, 0x3B9), 0x1F9B => array(0x1F23, 0x3B9), 0x1F9C => array(0x1F24, 0x3B9), 0x1F9D => array(0x1F25, 0x3B9), 0x1F9E => array(0x1F26, 0x3B9), 0x1F9F => array(0x1F27, 0x3B9), 0x1FA0 => array(0x1F60, 0x3B9), 0x1FA1 => array(0x1F61, 0x3B9), 0x1FA2 => array(0x1F62, 0x3B9), 0x1FA3 => array(0x1F63, 0x3B9), 0x1FA4 => array(0x1F64, 0x3B9), 0x1FA5 => array(0x1F65, 0x3B9), 0x1FA6 => array(0x1F66, 0x3B9), 0x1FA7 => array(0x1F67, 0x3B9), 0x1FA8 => array(0x1F60, 0x3B9), 0x1FA9 => array(0x1F61, 0x3B9), 0x1FAA => array(0x1F62, 0x3B9), 0x1FAB => array(0x1F63, 0x3B9), 0x1FAC => array(0x1F64, 0x3B9), 0x1FAD => array(0x1F65, 0x3B9), 0x1FAE => array(0x1F66, 0x3B9), 0x1FAF => array(0x1F67, 0x3B9), 0x1FB2 => array(0x1F70, 0x3B9), 0x1FB3 => array(0x3B1, 0x3B9), 0x1FB4 => array(0x3AC, 0x3B9), 0x1FB6 => array(0x3B1, 0x342), 0x1FB7 => array(0x3B1, 0x342, 0x3B9), 0x1FB8 => array(0x1FB0), 0x1FB9 => array(0x1FB1), 0x1FBA => array(0x1F70), 0x1FBB => array(0x1F71), 0x1FBC => array(0x3B1, 0x3B9), 0x1FBE => array(0x3B9), 0x1FC2 => array(0x1F74, 0x3B9), 0x1FC3 => array(0x3B7, 0x3B9), 0x1FC4 => array(0x3AE, 0x3B9), 0x1FC6 => array(0x3B7, 0x342), 0x1FC7 => array(0x3B7, 0x342, 0x3B9), 0x1FC8 => array(0x1F72), 0x1FC9 => array(0x1F73), 0x1FCA => array(0x1F74), 0x1FCB => array(0x1F75), 0x1FCC => array(0x3B7, 0x3B9), 0x1FD2 => array(0x3B9, 0x308, 0x300), 0x1FD3 => array(0x3B9, 0x308, 0x301), 0x1FD6 => array(0x3B9, 0x342), 0x1FD7 => array(0x3B9, 0x308, 0x342), 0x1FD8 => array(0x1FD0), 0x1FD9 => array(0x1FD1), 0x1FDA => array(0x1F76), 0x1FDB => array(0x1F77), 0x1FE2 => array(0x3C5, 0x308, 0x300), 0x1FE3 => array(0x3C5, 0x308, 0x301), 0x1FE4 => array(0x3C1, 0x313), 0x1FE6 => array(0x3C5, 0x342), 0x1FE7 => array(0x3C5, 0x308, 0x342), 0x1FE8 => array(0x1FE0), 0x1FE9 => array(0x1FE1), 0x1FEA => array(0x1F7A), 0x1FEB => array(0x1F7B), 0x1FEC => array(0x1FE5), 0x1FF2 => array(0x1F7C, 0x3B9), 0x1FF3 => array(0x3C9, 0x3B9), 0x1FF4 => array(0x3CE, 0x3B9), 0x1FF6 => array(0x3C9, 0x342), 0x1FF7 => array(0x3C9, 0x342, 0x3B9), 0x1FF8 => array(0x1F78), 0x1FF9 => array(0x1F79), 0x1FFA => array(0x1F7C), 0x1FFB => array(0x1F7D), 0x1FFC => array(0x3C9, 0x3B9), 0x20A8 => array(0x72, 0x73), 0x2102 => array(0x63), 0x2103 => array(0xB0, 0x63), 0x2107 => array(0x25B), 0x2109 => array(0xB0, 0x66), 0x210B => array(0x68), 0x210C => array(0x68), 0x210D => array(0x68), 0x2110 => array(0x69), 0x2111 => array(0x69), 0x2112 => array(0x6C), 0x2115 => array(0x6E), 0x2116 => array(0x6E, 0x6F), 0x2119 => array(0x70), 0x211A => array(0x71), 0x211B => array(0x72), 0x211C => array(0x72), 0x211D => array(0x72), 0x2120 => array(0x73, 0x6D), 0x2121 => array(0x74, 0x65, 0x6C), 0x2122 => array(0x74, 0x6D), 0x2124 => array(0x7A), 0x2126 => array(0x3C9), 0x2128 => array(0x7A), 0x212A => array(0x6B), 0x212B => array(0xE5), 0x212C => array(0x62), 0x212D => array(0x63), 0x2130 => array(0x65), 0x2131 => array(0x66), 0x2133 => array(0x6D), 0x213E => array(0x3B3), 0x213F => array(0x3C0), 0x2145 => array(0x64), 0x2160 => array(0x2170), 0x2161 => array(0x2171), 0x2162 => array(0x2172), 0x2163 => array(0x2173), 0x2164 => array(0x2174), 0x2165 => array(0x2175), 0x2166 => array(0x2176), 0x2167 => array(0x2177), 0x2168 => array(0x2178), 0x2169 => array(0x2179), 0x216A => array(0x217A), 0x216B => array(0x217B), 0x216C => array(0x217C), 0x216D => array(0x217D), 0x216E => array(0x217E), 0x216F => array(0x217F), 0x24B6 => array(0x24D0), 0x24B7 => array(0x24D1), 0x24B8 => array(0x24D2), 0x24B9 => array(0x24D3), 0x24BA => array(0x24D4), 0x24BB => array(0x24D5), 0x24BC => array(0x24D6), 0x24BD => array(0x24D7), 0x24BE => array(0x24D8), 0x24BF => array(0x24D9), 0x24C0 => array(0x24DA), 0x24C1 => array(0x24DB), 0x24C2 => array(0x24DC), 0x24C3 => array(0x24DD), 0x24C4 => array(0x24DE), 0x24C5 => array(0x24DF), 0x24C6 => array(0x24E0), 0x24C7 => array(0x24E1), 0x24C8 => array(0x24E2), 0x24C9 => array(0x24E3), 0x24CA => array(0x24E4), 0x24CB => array(0x24E5), 0x24CC => array(0x24E6), 0x24CD => array(0x24E7), 0x24CE => array(0x24E8), 0x24CF => array(0x24E9), 0x3371 => array(0x68, 0x70, 0x61), 0x3373 => array(0x61, 0x75), 0x3375 => array(0x6F, 0x76), 0x3380 => array(0x70, 0x61), 0x3381 => array(0x6E, 0x61), 0x3382 => array(0x3BC, 0x61), 0x3383 => array(0x6D, 0x61), 0x3384 => array(0x6B, 0x61), 0x3385 => array(0x6B, 0x62), 0x3386 => array(0x6D, 0x62), 0x3387 => array(0x67, 0x62), 0x338A => array(0x70, 0x66), 0x338B => array(0x6E, 0x66), 0x338C => array(0x3BC, 0x66), 0x3390 => array(0x68, 0x7A), 0x3391 => array(0x6B, 0x68, 0x7A), 0x3392 => array(0x6D, 0x68, 0x7A), 0x3393 => array(0x67, 0x68, 0x7A), 0x3394 => array(0x74, 0x68, 0x7A), 0x33A9 => array(0x70, 0x61), 0x33AA => array(0x6B, 0x70, 0x61), 0x33AB => array(0x6D, 0x70, 0x61), 0x33AC => array(0x67, 0x70, 0x61), 0x33B4 => array(0x70, 0x76), 0x33B5 => array(0x6E, 0x76), 0x33B6 => array(0x3BC, 0x76), 0x33B7 => array(0x6D, 0x76), 0x33B8 => array(0x6B, 0x76), 0x33B9 => array(0x6D, 0x76), 0x33BA => array(0x70, 0x77), 0x33BB => array(0x6E, 0x77), 0x33BC => array(0x3BC, 0x77), 0x33BD => array(0x6D, 0x77), 0x33BE => array(0x6B, 0x77), 0x33BF => array(0x6D, 0x77), 0x33C0 => array(0x6B, 0x3C9), 0x33C1 => array(0x6D, 0x3C9), /* 0x33C2 => array(0x61, 0x2E, 0x6D, 0x2E), */ 0x33C3 => array(0x62, 0x71), 0x33C6 => array(0x63, 0x2215, 0x6B, 0x67), 0x33C7 => array(0x63, 0x6F, 0x2E), 0x33C8 => array(0x64, 0x62), 0x33C9 => array(0x67, 0x79), 0x33CB => array(0x68, 0x70), 0x33CD => array(0x6B, 0x6B), 0x33CE => array(0x6B, 0x6D), 0x33D7 => array(0x70, 0x68), 0x33D9 => array(0x70, 0x70, 0x6D), 0x33DA => array(0x70, 0x72), 0x33DC => array(0x73, 0x76), 0x33DD => array(0x77, 0x62), 0xFB00 => array(0x66, 0x66), 0xFB01 => array(0x66, 0x69), 0xFB02 => array(0x66, 0x6C), 0xFB03 => array(0x66, 0x66, 0x69), 0xFB04 => array(0x66, 0x66, 0x6C), 0xFB05 => array(0x73, 0x74), 0xFB06 => array(0x73, 0x74), 0xFB13 => array(0x574, 0x576), 0xFB14 => array(0x574, 0x565), 0xFB15 => array(0x574, 0x56B), 0xFB16 => array(0x57E, 0x576), 0xFB17 => array(0x574, 0x56D), 0xFF21 => array(0xFF41), 0xFF22 => array(0xFF42), 0xFF23 => array(0xFF43), 0xFF24 => array(0xFF44), 0xFF25 => array(0xFF45), 0xFF26 => array(0xFF46), 0xFF27 => array(0xFF47), 0xFF28 => array(0xFF48), 0xFF29 => array(0xFF49), 0xFF2A => array(0xFF4A), 0xFF2B => array(0xFF4B), 0xFF2C => array(0xFF4C), 0xFF2D => array(0xFF4D), 0xFF2E => array(0xFF4E), 0xFF2F => array(0xFF4F), 0xFF30 => array(0xFF50), 0xFF31 => array(0xFF51), 0xFF32 => array(0xFF52), 0xFF33 => array(0xFF53), 0xFF34 => array(0xFF54), 0xFF35 => array(0xFF55), 0xFF36 => array(0xFF56), 0xFF37 => array(0xFF57), 0xFF38 => array(0xFF58), 0xFF39 => array(0xFF59), 0xFF3A => array(0xFF5A), 0x10400 => array(0x10428), 0x10401 => array(0x10429), 0x10402 => array(0x1042A), 0x10403 => array(0x1042B), 0x10404 => array(0x1042C), 0x10405 => array(0x1042D), 0x10406 => array(0x1042E), 0x10407 => array(0x1042F), 0x10408 => array(0x10430), 0x10409 => array(0x10431), 0x1040A => array(0x10432), 0x1040B => array(0x10433), 0x1040C => array(0x10434), 0x1040D => array(0x10435), 0x1040E => array(0x10436), 0x1040F => array(0x10437), 0x10410 => array(0x10438), 0x10411 => array(0x10439), 0x10412 => array(0x1043A), 0x10413 => array(0x1043B), 0x10414 => array(0x1043C), 0x10415 => array(0x1043D), 0x10416 => array(0x1043E), 0x10417 => array(0x1043F), 0x10418 => array(0x10440), 0x10419 => array(0x10441), 0x1041A => array(0x10442), 0x1041B => array(0x10443), 0x1041C => array(0x10444), 0x1041D => array(0x10445), 0x1041E => array(0x10446), 0x1041F => array(0x10447), 0x10420 => array(0x10448), 0x10421 => array(0x10449), 0x10422 => array(0x1044A), 0x10423 => array(0x1044B), 0x10424 => array(0x1044C), 0x10425 => array(0x1044D), 0x1D400 => array(0x61), 0x1D401 => array(0x62), 0x1D402 => array(0x63), 0x1D403 => array(0x64), 0x1D404 => array(0x65), 0x1D405 => array(0x66), 0x1D406 => array(0x67), 0x1D407 => array(0x68), 0x1D408 => array(0x69), 0x1D409 => array(0x6A), 0x1D40A => array(0x6B), 0x1D40B => array(0x6C), 0x1D40C => array(0x6D), 0x1D40D => array(0x6E), 0x1D40E => array(0x6F), 0x1D40F => array(0x70), 0x1D410 => array(0x71), 0x1D411 => array(0x72), 0x1D412 => array(0x73), 0x1D413 => array(0x74), 0x1D414 => array(0x75), 0x1D415 => array(0x76), 0x1D416 => array(0x77), 0x1D417 => array(0x78), 0x1D418 => array(0x79), 0x1D419 => array(0x7A), 0x1D434 => array(0x61), 0x1D435 => array(0x62), 0x1D436 => array(0x63), 0x1D437 => array(0x64), 0x1D438 => array(0x65), 0x1D439 => array(0x66), 0x1D43A => array(0x67), 0x1D43B => array(0x68), 0x1D43C => array(0x69), 0x1D43D => array(0x6A), 0x1D43E => array(0x6B), 0x1D43F => array(0x6C), 0x1D440 => array(0x6D), 0x1D441 => array(0x6E), 0x1D442 => array(0x6F), 0x1D443 => array(0x70), 0x1D444 => array(0x71), 0x1D445 => array(0x72), 0x1D446 => array(0x73), 0x1D447 => array(0x74), 0x1D448 => array(0x75), 0x1D449 => array(0x76), 0x1D44A => array(0x77), 0x1D44B => array(0x78), 0x1D44C => array(0x79), 0x1D44D => array(0x7A), 0x1D468 => array(0x61), 0x1D469 => array(0x62), 0x1D46A => array(0x63), 0x1D46B => array(0x64), 0x1D46C => array(0x65), 0x1D46D => array(0x66), 0x1D46E => array(0x67), 0x1D46F => array(0x68), 0x1D470 => array(0x69), 0x1D471 => array(0x6A), 0x1D472 => array(0x6B), 0x1D473 => array(0x6C), 0x1D474 => array(0x6D), 0x1D475 => array(0x6E), 0x1D476 => array(0x6F), 0x1D477 => array(0x70), 0x1D478 => array(0x71), 0x1D479 => array(0x72), 0x1D47A => array(0x73), 0x1D47B => array(0x74), 0x1D47C => array(0x75), 0x1D47D => array(0x76), 0x1D47E => array(0x77), 0x1D47F => array(0x78), 0x1D480 => array(0x79), 0x1D481 => array(0x7A), 0x1D49C => array(0x61), 0x1D49E => array(0x63), 0x1D49F => array(0x64), 0x1D4A2 => array(0x67), 0x1D4A5 => array(0x6A), 0x1D4A6 => array(0x6B), 0x1D4A9 => array(0x6E), 0x1D4AA => array(0x6F), 0x1D4AB => array(0x70), 0x1D4AC => array(0x71), 0x1D4AE => array(0x73), 0x1D4AF => array(0x74), 0x1D4B0 => array(0x75), 0x1D4B1 => array(0x76), 0x1D4B2 => array(0x77), 0x1D4B3 => array(0x78), 0x1D4B4 => array(0x79), 0x1D4B5 => array(0x7A), 0x1D4D0 => array(0x61), 0x1D4D1 => array(0x62), 0x1D4D2 => array(0x63), 0x1D4D3 => array(0x64), 0x1D4D4 => array(0x65), 0x1D4D5 => array(0x66), 0x1D4D6 => array(0x67), 0x1D4D7 => array(0x68), 0x1D4D8 => array(0x69), 0x1D4D9 => array(0x6A), 0x1D4DA => array(0x6B), 0x1D4DB => array(0x6C), 0x1D4DC => array(0x6D), 0x1D4DD => array(0x6E), 0x1D4DE => array(0x6F), 0x1D4DF => array(0x70), 0x1D4E0 => array(0x71), 0x1D4E1 => array(0x72), 0x1D4E2 => array(0x73), 0x1D4E3 => array(0x74), 0x1D4E4 => array(0x75), 0x1D4E5 => array(0x76), 0x1D4E6 => array(0x77), 0x1D4E7 => array(0x78), 0x1D4E8 => array(0x79), 0x1D4E9 => array(0x7A), 0x1D504 => array(0x61), 0x1D505 => array(0x62), 0x1D507 => array(0x64), 0x1D508 => array(0x65), 0x1D509 => array(0x66), 0x1D50A => array(0x67), 0x1D50D => array(0x6A), 0x1D50E => array(0x6B), 0x1D50F => array(0x6C), 0x1D510 => array(0x6D), 0x1D511 => array(0x6E), 0x1D512 => array(0x6F), 0x1D513 => array(0x70), 0x1D514 => array(0x71), 0x1D516 => array(0x73), 0x1D517 => array(0x74), 0x1D518 => array(0x75), 0x1D519 => array(0x76), 0x1D51A => array(0x77), 0x1D51B => array(0x78), 0x1D51C => array(0x79), 0x1D538 => array(0x61), 0x1D539 => array(0x62), 0x1D53B => array(0x64), 0x1D53C => array(0x65), 0x1D53D => array(0x66), 0x1D53E => array(0x67), 0x1D540 => array(0x69), 0x1D541 => array(0x6A), 0x1D542 => array(0x6B), 0x1D543 => array(0x6C), 0x1D544 => array(0x6D), 0x1D546 => array(0x6F), 0x1D54A => array(0x73), 0x1D54B => array(0x74), 0x1D54C => array(0x75), 0x1D54D => array(0x76), 0x1D54E => array(0x77), 0x1D54F => array(0x78), 0x1D550 => array(0x79), 0x1D56C => array(0x61), 0x1D56D => array(0x62), 0x1D56E => array(0x63), 0x1D56F => array(0x64), 0x1D570 => array(0x65), 0x1D571 => array(0x66), 0x1D572 => array(0x67), 0x1D573 => array(0x68), 0x1D574 => array(0x69), 0x1D575 => array(0x6A), 0x1D576 => array(0x6B), 0x1D577 => array(0x6C), 0x1D578 => array(0x6D), 0x1D579 => array(0x6E), 0x1D57A => array(0x6F), 0x1D57B => array(0x70), 0x1D57C => array(0x71), 0x1D57D => array(0x72), 0x1D57E => array(0x73), 0x1D57F => array(0x74), 0x1D580 => array(0x75), 0x1D581 => array(0x76), 0x1D582 => array(0x77), 0x1D583 => array(0x78), 0x1D584 => array(0x79), 0x1D585 => array(0x7A), 0x1D5A0 => array(0x61), 0x1D5A1 => array(0x62), 0x1D5A2 => array(0x63), 0x1D5A3 => array(0x64), 0x1D5A4 => array(0x65), 0x1D5A5 => array(0x66), 0x1D5A6 => array(0x67), 0x1D5A7 => array(0x68), 0x1D5A8 => array(0x69), 0x1D5A9 => array(0x6A), 0x1D5AA => array(0x6B), 0x1D5AB => array(0x6C), 0x1D5AC => array(0x6D), 0x1D5AD => array(0x6E), 0x1D5AE => array(0x6F), 0x1D5AF => array(0x70), 0x1D5B0 => array(0x71), 0x1D5B1 => array(0x72), 0x1D5B2 => array(0x73), 0x1D5B3 => array(0x74), 0x1D5B4 => array(0x75), 0x1D5B5 => array(0x76), 0x1D5B6 => array(0x77), 0x1D5B7 => array(0x78), 0x1D5B8 => array(0x79), 0x1D5B9 => array(0x7A), 0x1D5D4 => array(0x61), 0x1D5D5 => array(0x62), 0x1D5D6 => array(0x63), 0x1D5D7 => array(0x64), 0x1D5D8 => array(0x65), 0x1D5D9 => array(0x66), 0x1D5DA => array(0x67), 0x1D5DB => array(0x68), 0x1D5DC => array(0x69), 0x1D5DD => array(0x6A), 0x1D5DE => array(0x6B), 0x1D5DF => array(0x6C), 0x1D5E0 => array(0x6D), 0x1D5E1 => array(0x6E), 0x1D5E2 => array(0x6F), 0x1D5E3 => array(0x70), 0x1D5E4 => array(0x71), 0x1D5E5 => array(0x72), 0x1D5E6 => array(0x73), 0x1D5E7 => array(0x74), 0x1D5E8 => array(0x75), 0x1D5E9 => array(0x76), 0x1D5EA => array(0x77), 0x1D5EB => array(0x78), 0x1D5EC => array(0x79), 0x1D5ED => array(0x7A), 0x1D608 => array(0x61), 0x1D609 => array(0x62), 0x1D60A => array(0x63), 0x1D60B => array(0x64), 0x1D60C => array(0x65), 0x1D60D => array(0x66), 0x1D60E => array(0x67), 0x1D60F => array(0x68), 0x1D610 => array(0x69), 0x1D611 => array(0x6A), 0x1D612 => array(0x6B), 0x1D613 => array(0x6C), 0x1D614 => array(0x6D), 0x1D615 => array(0x6E), 0x1D616 => array(0x6F), 0x1D617 => array(0x70), 0x1D618 => array(0x71), 0x1D619 => array(0x72), 0x1D61A => array(0x73), 0x1D61B => array(0x74), 0x1D61C => array(0x75), 0x1D61D => array(0x76), 0x1D61E => array(0x77), 0x1D61F => array(0x78), 0x1D620 => array(0x79), 0x1D621 => array(0x7A), 0x1D63C => array(0x61), 0x1D63D => array(0x62), 0x1D63E => array(0x63), 0x1D63F => array(0x64), 0x1D640 => array(0x65), 0x1D641 => array(0x66), 0x1D642 => array(0x67), 0x1D643 => array(0x68), 0x1D644 => array(0x69), 0x1D645 => array(0x6A), 0x1D646 => array(0x6B), 0x1D647 => array(0x6C), 0x1D648 => array(0x6D), 0x1D649 => array(0x6E), 0x1D64A => array(0x6F), 0x1D64B => array(0x70), 0x1D64C => array(0x71), 0x1D64D => array(0x72), 0x1D64E => array(0x73), 0x1D64F => array(0x74), 0x1D650 => array(0x75), 0x1D651 => array(0x76), 0x1D652 => array(0x77), 0x1D653 => array(0x78), 0x1D654 => array(0x79), 0x1D655 => array(0x7A), 0x1D670 => array(0x61), 0x1D671 => array(0x62), 0x1D672 => array(0x63), 0x1D673 => array(0x64), 0x1D674 => array(0x65), 0x1D675 => array(0x66), 0x1D676 => array(0x67), 0x1D677 => array(0x68), 0x1D678 => array(0x69), 0x1D679 => array(0x6A), 0x1D67A => array(0x6B), 0x1D67B => array(0x6C), 0x1D67C => array(0x6D), 0x1D67D => array(0x6E), 0x1D67E => array(0x6F), 0x1D67F => array(0x70), 0x1D680 => array(0x71), 0x1D681 => array(0x72), 0x1D682 => array(0x73), 0x1D683 => array(0x74), 0x1D684 => array(0x75), 0x1D685 => array(0x76), 0x1D686 => array(0x77), 0x1D687 => array(0x78), 0x1D688 => array(0x79), 0x1D689 => array(0x7A), 0x1D6A8 => array(0x3B1), 0x1D6A9 => array(0x3B2), 0x1D6AA => array(0x3B3), 0x1D6AB => array(0x3B4), 0x1D6AC => array(0x3B5), 0x1D6AD => array(0x3B6), 0x1D6AE => array(0x3B7), 0x1D6AF => array(0x3B8), 0x1D6B0 => array(0x3B9), 0x1D6B1 => array(0x3BA), 0x1D6B2 => array(0x3BB), 0x1D6B3 => array(0x3BC), 0x1D6B4 => array(0x3BD), 0x1D6B5 => array(0x3BE), 0x1D6B6 => array(0x3BF), 0x1D6B7 => array(0x3C0), 0x1D6B8 => array(0x3C1), 0x1D6B9 => array(0x3B8), 0x1D6BA => array(0x3C3), 0x1D6BB => array(0x3C4), 0x1D6BC => array(0x3C5), 0x1D6BD => array(0x3C6), 0x1D6BE => array(0x3C7), 0x1D6BF => array(0x3C8), 0x1D6C0 => array(0x3C9), 0x1D6D3 => array(0x3C3), 0x1D6E2 => array(0x3B1), 0x1D6E3 => array(0x3B2), 0x1D6E4 => array(0x3B3), 0x1D6E5 => array(0x3B4), 0x1D6E6 => array(0x3B5), 0x1D6E7 => array(0x3B6), 0x1D6E8 => array(0x3B7), 0x1D6E9 => array(0x3B8), 0x1D6EA => array(0x3B9), 0x1D6EB => array(0x3BA), 0x1D6EC => array(0x3BB), 0x1D6ED => array(0x3BC), 0x1D6EE => array(0x3BD), 0x1D6EF => array(0x3BE), 0x1D6F0 => array(0x3BF), 0x1D6F1 => array(0x3C0), 0x1D6F2 => array(0x3C1), 0x1D6F3 => array(0x3B8), 0x1D6F4 => array(0x3C3), 0x1D6F5 => array(0x3C4), 0x1D6F6 => array(0x3C5), 0x1D6F7 => array(0x3C6), 0x1D6F8 => array(0x3C7), 0x1D6F9 => array(0x3C8), 0x1D6FA => array(0x3C9), 0x1D70D => array(0x3C3), 0x1D71C => array(0x3B1), 0x1D71D => array(0x3B2), 0x1D71E => array(0x3B3), 0x1D71F => array(0x3B4), 0x1D720 => array(0x3B5), 0x1D721 => array(0x3B6), 0x1D722 => array(0x3B7), 0x1D723 => array(0x3B8), 0x1D724 => array(0x3B9), 0x1D725 => array(0x3BA), 0x1D726 => array(0x3BB), 0x1D727 => array(0x3BC), 0x1D728 => array(0x3BD), 0x1D729 => array(0x3BE), 0x1D72A => array(0x3BF), 0x1D72B => array(0x3C0), 0x1D72C => array(0x3C1), 0x1D72D => array(0x3B8), 0x1D72E => array(0x3C3), 0x1D72F => array(0x3C4), 0x1D730 => array(0x3C5), 0x1D731 => array(0x3C6), 0x1D732 => array(0x3C7), 0x1D733 => array(0x3C8), 0x1D734 => array(0x3C9), 0x1D747 => array(0x3C3), 0x1D756 => array(0x3B1), 0x1D757 => array(0x3B2), 0x1D758 => array(0x3B3), 0x1D759 => array(0x3B4), 0x1D75A => array(0x3B5), 0x1D75B => array(0x3B6), 0x1D75C => array(0x3B7), 0x1D75D => array(0x3B8), 0x1D75E => array(0x3B9), 0x1D75F => array(0x3BA), 0x1D760 => array(0x3BB), 0x1D761 => array(0x3BC), 0x1D762 => array(0x3BD), 0x1D763 => array(0x3BE), 0x1D764 => array(0x3BF), 0x1D765 => array(0x3C0), 0x1D766 => array(0x3C1), 0x1D767 => array(0x3B8), 0x1D768 => array(0x3C3), 0x1D769 => array(0x3C4), 0x1D76A => array(0x3C5), 0x1D76B => array(0x3C6), 0x1D76C => array(0x3C7), 0x1D76D => array(0x3C8), 0x1D76E => array(0x3C9), 0x1D781 => array(0x3C3), 0x1D790 => array(0x3B1), 0x1D791 => array(0x3B2), 0x1D792 => array(0x3B3), 0x1D793 => array(0x3B4), 0x1D794 => array(0x3B5), 0x1D795 => array(0x3B6), 0x1D796 => array(0x3B7), 0x1D797 => array(0x3B8), 0x1D798 => array(0x3B9), 0x1D799 => array(0x3BA), 0x1D79A => array(0x3BB), 0x1D79B => array(0x3BC), 0x1D79C => array(0x3BD), 0x1D79D => array(0x3BE), 0x1D79E => array(0x3BF), 0x1D79F => array(0x3C0), 0x1D7A0 => array(0x3C1), 0x1D7A1 => array(0x3B8), 0x1D7A2 => array(0x3C3), 0x1D7A3 => array(0x3C4), 0x1D7A4 => array(0x3C5), 0x1D7A5 => array(0x3C6), 0x1D7A6 => array(0x3C7), 0x1D7A7 => array(0x3C8), 0x1D7A8 => array(0x3C9), 0x1D7BB => array(0x3C3), 0x3F9 => array(0x3C3), 0x1D2C => array(0x61), 0x1D2D => array(0xE6), 0x1D2E => array(0x62), 0x1D30 => array(0x64), 0x1D31 => array(0x65), 0x1D32 => array(0x1DD), 0x1D33 => array(0x67), 0x1D34 => array(0x68), 0x1D35 => array(0x69), 0x1D36 => array(0x6A), 0x1D37 => array(0x6B), 0x1D38 => array(0x6C), 0x1D39 => array(0x6D), 0x1D3A => array(0x6E), 0x1D3C => array(0x6F), 0x1D3D => array(0x223), 0x1D3E => array(0x70), 0x1D3F => array(0x72), 0x1D40 => array(0x74), 0x1D41 => array(0x75), 0x1D42 => array(0x77), 0x213B => array(0x66, 0x61, 0x78), 0x3250 => array(0x70, 0x74, 0x65), 0x32CC => array(0x68, 0x67), 0x32CE => array(0x65, 0x76), 0x32CF => array(0x6C, 0x74, 0x64), 0x337A => array(0x69, 0x75), 0x33DE => array(0x76, 0x2215, 0x6D), 0x33DF => array(0x61, 0x2215, 0x6D) ); /** * Normalization Combining Classes; Code Points not listed * got Combining Class 0. * * @static * @var array * @access private */ private static $_np_norm_combcls = array( 0x334 => 1, 0x335 => 1, 0x336 => 1, 0x337 => 1, 0x338 => 1, 0x93C => 7, 0x9BC => 7, 0xA3C => 7, 0xABC => 7, 0xB3C => 7, 0xCBC => 7, 0x1037 => 7, 0x3099 => 8, 0x309A => 8, 0x94D => 9, 0x9CD => 9, 0xA4D => 9, 0xACD => 9, 0xB4D => 9, 0xBCD => 9, 0xC4D => 9, 0xCCD => 9, 0xD4D => 9, 0xDCA => 9, 0xE3A => 9, 0xF84 => 9, 0x1039 => 9, 0x1714 => 9, 0x1734 => 9, 0x17D2 => 9, 0x5B0 => 10, 0x5B1 => 11, 0x5B2 => 12, 0x5B3 => 13, 0x5B4 => 14, 0x5B5 => 15, 0x5B6 => 16, 0x5B7 => 17, 0x5B8 => 18, 0x5B9 => 19, 0x5BB => 20, 0x5Bc => 21, 0x5BD => 22, 0x5BF => 23, 0x5C1 => 24, 0x5C2 => 25, 0xFB1E => 26, 0x64B => 27, 0x64C => 28, 0x64D => 29, 0x64E => 30, 0x64F => 31, 0x650 => 32, 0x651 => 33, 0x652 => 34, 0x670 => 35, 0x711 => 36, 0xC55 => 84, 0xC56 => 91, 0xE38 => 103, 0xE39 => 103, 0xE48 => 107, 0xE49 => 107, 0xE4A => 107, 0xE4B => 107, 0xEB8 => 118, 0xEB9 => 118, 0xEC8 => 122, 0xEC9 => 122, 0xECA => 122, 0xECB => 122, 0xF71 => 129, 0xF72 => 130, 0xF7A => 130, 0xF7B => 130, 0xF7C => 130, 0xF7D => 130, 0xF80 => 130, 0xF74 => 132, 0x321 => 202, 0x322 => 202, 0x327 => 202, 0x328 => 202, 0x31B => 216, 0xF39 => 216, 0x1D165 => 216, 0x1D166 => 216, 0x1D16E => 216, 0x1D16F => 216, 0x1D170 => 216, 0x1D171 => 216, 0x1D172 => 216, 0x302A => 218, 0x316 => 220, 0x317 => 220, 0x318 => 220, 0x319 => 220, 0x31C => 220, 0x31D => 220, 0x31E => 220, 0x31F => 220, 0x320 => 220, 0x323 => 220, 0x324 => 220, 0x325 => 220, 0x326 => 220, 0x329 => 220, 0x32A => 220, 0x32B => 220, 0x32C => 220, 0x32D => 220, 0x32E => 220, 0x32F => 220, 0x330 => 220, 0x331 => 220, 0x332 => 220, 0x333 => 220, 0x339 => 220, 0x33A => 220, 0x33B => 220, 0x33C => 220, 0x347 => 220, 0x348 => 220, 0x349 => 220, 0x34D => 220, 0x34E => 220, 0x353 => 220, 0x354 => 220, 0x355 => 220, 0x356 => 220, 0x591 => 220, 0x596 => 220, 0x59B => 220, 0x5A3 => 220, 0x5A4 => 220, 0x5A5 => 220, 0x5A6 => 220, 0x5A7 => 220, 0x5AA => 220, 0x655 => 220, 0x656 => 220, 0x6E3 => 220, 0x6EA => 220, 0x6ED => 220, 0x731 => 220, 0x734 => 220, 0x737 => 220, 0x738 => 220, 0x739 => 220, 0x73B => 220, 0x73C => 220, 0x73E => 220, 0x742 => 220, 0x744 => 220, 0x746 => 220, 0x748 => 220, 0x952 => 220, 0xF18 => 220, 0xF19 => 220, 0xF35 => 220, 0xF37 => 220, 0xFC6 => 220, 0x193B => 220, 0x20E8 => 220, 0x1D17B => 220, 0x1D17C => 220, 0x1D17D => 220, 0x1D17E => 220, 0x1D17F => 220, 0x1D180 => 220, 0x1D181 => 220, 0x1D182 => 220, 0x1D18A => 220, 0x1D18B => 220, 0x59A => 222, 0x5AD => 222, 0x1929 => 222, 0x302D => 222, 0x302E => 224, 0x302F => 224, 0x1D16D => 226, 0x5AE => 228, 0x18A9 => 228, 0x302B => 228, 0x300 => 230, 0x301 => 230, 0x302 => 230, 0x303 => 230, 0x304 => 230, 0x305 => 230, 0x306 => 230, 0x307 => 230, 0x308 => 230, 0x309 => 230, 0x30A => 230, 0x30B => 230, 0x30C => 230, 0x30D => 230, 0x30E => 230, 0x30F => 230, 0x310 => 230, 0x311 => 230, 0x312 => 230, 0x313 => 230, 0x314 => 230, 0x33D => 230, 0x33E => 230, 0x33F => 230, 0x340 => 230, 0x341 => 230, 0x342 => 230, 0x343 => 230, 0x344 => 230, 0x346 => 230, 0x34A => 230, 0x34B => 230, 0x34C => 230, 0x350 => 230, 0x351 => 230, 0x352 => 230, 0x357 => 230, 0x363 => 230, 0x364 => 230, 0x365 => 230, 0x366 => 230, 0x367 => 230, 0x368 => 230, 0x369 => 230, 0x36A => 230, 0x36B => 230, 0x36C => 230, 0x36D => 230, 0x36E => 230, 0x36F => 230, 0x483 => 230, 0x484 => 230, 0x485 => 230, 0x486 => 230, 0x592 => 230, 0x593 => 230, 0x594 => 230, 0x595 => 230, 0x597 => 230, 0x598 => 230, 0x599 => 230, 0x59C => 230, 0x59D => 230, 0x59E => 230, 0x59F => 230, 0x5A0 => 230, 0x5A1 => 230, 0x5A8 => 230, 0x5A9 => 230, 0x5AB => 230, 0x5AC => 230, 0x5AF => 230, 0x5C4 => 230, 0x610 => 230, 0x611 => 230, 0x612 => 230, 0x613 => 230, 0x614 => 230, 0x615 => 230, 0x653 => 230, 0x654 => 230, 0x657 => 230, 0x658 => 230, 0x6D6 => 230, 0x6D7 => 230, 0x6D8 => 230, 0x6D9 => 230, 0x6DA => 230, 0x6DB => 230, 0x6DC => 230, 0x6DF => 230, 0x6E0 => 230, 0x6E1 => 230, 0x6E2 => 230, 0x6E4 => 230, 0x6E7 => 230, 0x6E8 => 230, 0x6EB => 230, 0x6EC => 230, 0x730 => 230, 0x732 => 230, 0x733 => 230, 0x735 => 230, 0x736 => 230, 0x73A => 230, 0x73D => 230, 0x73F => 230, 0x740 => 230, 0x741 => 230, 0x743 => 230, 0x745 => 230, 0x747 => 230, 0x749 => 230, 0x74A => 230, 0x951 => 230, 0x953 => 230, 0x954 => 230, 0xF82 => 230, 0xF83 => 230, 0xF86 => 230, 0xF87 => 230, 0x170D => 230, 0x193A => 230, 0x20D0 => 230, 0x20D1 => 230, 0x20D4 => 230, 0x20D5 => 230, 0x20D6 => 230, 0x20D7 => 230, 0x20DB => 230, 0x20DC => 230, 0x20E1 => 230, 0x20E7 => 230, 0x20E9 => 230, 0xFE20 => 230, 0xFE21 => 230, 0xFE22 => 230, 0xFE23 => 230, 0x1D185 => 230, 0x1D186 => 230, 0x1D187 => 230, 0x1D189 => 230, 0x1D188 => 230, 0x1D1AA => 230, 0x1D1AB => 230, 0x1D1AC => 230, 0x1D1AD => 230, 0x315 => 232, 0x31A => 232, 0x302C => 232, 0x35F => 233, 0x362 => 233, 0x35D => 234, 0x35E => 234, 0x360 => 234, 0x361 => 234, 0x345 => 240 ); // }}} // {{{ properties /** * @var string * @access private */ private $_punycode_prefix = 'xn--'; /** * @access private */ private $_invalid_ucs = 0x80000000; /** * @access private */ private $_max_ucs = 0x10FFFF; /** * @var int * @access private */ private $_base = 36; /** * @var int * @access private */ private $_tmin = 1; /** * @var int * @access private */ private $_tmax = 26; /** * @var int * @access private */ private $_skew = 38; /** * @var int * @access private */ private $_damp = 700; /** * @var int * @access private */ private $_initial_bias = 72; /** * @var int * @access private */ private $_initial_n = 0x80; /** * @var int * @access private */ private $_slast; /** * @access private */ private $_sbase = 0xAC00; /** * @access private */ private $_lbase = 0x1100; /** * @access private */ private $_vbase = 0x1161; /** * @access private */ private $_tbase = 0x11a7; /** * @var int * @access private */ private $_lcount = 19; /** * @var int * @access private */ private $_vcount = 21; /** * @var int * @access private */ private $_tcount = 28; /** * vcount * tcount * * @var int * @access private */ private $_ncount = 588; /** * lcount * tcount * vcount * * @var int * @access private */ private $_scount = 11172; /** * Default encoding for encode()'s input and decode()'s output is UTF-8; * Other possible encodings are ucs4_string and ucs4_array * See {@link setParams()} for how to select these * * @var bool * @access private */ private $_api_encoding = 'utf8'; /** * Overlong UTF-8 encodings are forbidden * * @var bool * @access private */ private $_allow_overlong = false; /** * Behave strict or not * * @var bool * @access private */ private $_strict_mode = false; /** * IDNA-version to use * * Values are "2003" and "2008". * Defaults to "2003", since that was the original version and for * compatibility with previous versions of this library. * If you need to encode "new" characters like the German "Eszett", * please switch to 2008 first before encoding. * * @var bool * @access private */ private $_version = '2003'; /** * Cached value indicating whether or not mbstring function overloading is * on for strlen * * This is cached for optimal performance. * * @var boolean * @see Net_IDNA2::_byteLength() */ private static $_mb_string_overload = null; // }}} // {{{ constructor /** * Constructor * * @param array $options Options to initialise the object with * * @access public * @see setParams() */ public function __construct($options = null) { $this->_slast = $this->_sbase + $this->_lcount * $this->_vcount * $this->_tcount; if (is_array($options)) { $this->setParams($options); } // populate mbstring overloading cache if not set if (self::$_mb_string_overload === null) { self::$_mb_string_overload = (extension_loaded('mbstring') && (ini_get('mbstring.func_overload') & 0x02) === 0x02); } } // }}} /** * Sets a new option value. Available options and values: * * [utf8 - Use either UTF-8 or ISO-8859-1 as input (true for UTF-8, false * otherwise); The output is always UTF-8] * [overlong - Unicode does not allow unnecessarily long encodings of chars, * to allow this, set this parameter to true, else to false; * default is false.] * [strict - true: strict mode, good for registration purposes - Causes errors * on failures; false: loose mode, ideal for "wildlife" applications * by silently ignoring errors and returning the original input instead] * * @param mixed $option Parameter to set (string: single parameter; array of Parameter => Value pairs) * @param string $value Value to use (if parameter 1 is a string) * * @return boolean true on success, false otherwise * @access public */ public function setParams($option, $value = false) { if (!is_array($option)) { $option = array($option => $value); } foreach ($option as $k => $v) { switch ($k) { case 'encoding': switch ($v) { case 'utf8': case 'ucs4_string': case 'ucs4_array': $this->_api_encoding = $v; break; default: throw new InvalidArgumentException('Set Parameter: Unknown parameter '.$v.' for option '.$k); } break; case 'overlong': $this->_allow_overlong = ($v) ? true : false; break; case 'strict': $this->_strict_mode = ($v) ? true : false; break; case 'version': if (in_array($v, array('2003', '2008'))) { $this->_version = $v; } else { throw new InvalidArgumentException('Set Parameter: Invalid parameter '.$v.' for option '.$k); } break; default: return false; } } return true; } /** * Encode a given UTF-8 domain name. * * @param string $decoded Domain name (UTF-8 or UCS-4) * @param string $one_time_encoding Desired input encoding, see {@link set_parameter} * If not given will use default-encoding * * @return string Encoded Domain name (ACE string) * @return mixed processed string * @throws Exception * @access public */ public function encode($decoded, $one_time_encoding = false) { // Forcing conversion of input to UCS4 array // If one time encoding is given, use this, else the objects property switch (($one_time_encoding) ? $one_time_encoding : $this->_api_encoding) { case 'utf8': $decoded = $this->_utf8_to_ucs4($decoded); break; case 'ucs4_string': $decoded = $this->_ucs4_string_to_ucs4($decoded); case 'ucs4_array': // No break; before this line. Catch case, but do nothing break; default: throw new InvalidArgumentException('Unsupported input format'); } // No input, no output, what else did you expect? if (empty($decoded)) return ''; // Anchors for iteration $last_begin = 0; // Output string $output = ''; foreach ($decoded as $k => $v) { // Make sure to use just the plain dot switch($v) { case 0x3002: case 0xFF0E: case 0xFF61: $decoded[$k] = 0x2E; // It's right, no break here // The codepoints above have to be converted to dots anyway // Stumbling across an anchoring character case 0x2E: case 0x2F: case 0x3A: case 0x3F: case 0x40: // Neither email addresses nor URLs allowed in strict mode if ($this->_strict_mode) { throw new InvalidArgumentException('Neither email addresses nor URLs are allowed in strict mode.'); } // Skip first char if ($k) { $encoded = ''; $encoded = $this->_encode(array_slice($decoded, $last_begin, (($k)-$last_begin))); if ($encoded) { $output .= $encoded; } else { $output .= $this->_ucs4_to_utf8(array_slice($decoded, $last_begin, (($k)-$last_begin))); } $output .= chr($decoded[$k]); } $last_begin = $k + 1; } } // Catch the rest of the string if ($last_begin) { $inp_len = sizeof($decoded); $encoded = ''; $encoded = $this->_encode(array_slice($decoded, $last_begin, (($inp_len)-$last_begin))); if ($encoded) { $output .= $encoded; } else { $output .= $this->_ucs4_to_utf8(array_slice($decoded, $last_begin, (($inp_len)-$last_begin))); } return $output; } if ($output = $this->_encode($decoded)) { return $output; } return $this->_ucs4_to_utf8($decoded); } /** * Decode a given ACE domain name. * * @param string $input Domain name (ACE string) * @param string $one_time_encoding Desired output encoding, see {@link set_parameter} * * @return string Decoded Domain name (UTF-8 or UCS-4) * @throws Exception * @access public */ public function decode($input, $one_time_encoding = false) { // Optionally set if ($one_time_encoding) { switch ($one_time_encoding) { case 'utf8': case 'ucs4_string': case 'ucs4_array': break; default: throw new InvalidArgumentException('Unknown encoding '.$one_time_encoding); } } // Make sure to drop any newline characters around $input = trim($input); // Negotiate input and try to determine, whether it is a plain string, // an email address or something like a complete URL if (strpos($input, '@')) { // Maybe it is an email address // No no in strict mode if ($this->_strict_mode) { throw new InvalidArgumentException('Only simple domain name parts can be handled in strict mode'); } list($email_pref, $input) = explode('@', $input, 2); $arr = explode('.', $input); foreach ($arr as $k => $v) { $conv = $this->_decode($v); if ($conv) $arr[$k] = $conv; } $return = $email_pref . '@' . join('.', $arr); } elseif (preg_match('![:\./]!', $input)) { // Or a complete domain name (with or without paths / parameters) // No no in strict mode if ($this->_strict_mode) { throw new InvalidArgumentException('Only simple domain name parts can be handled in strict mode'); } $parsed = parse_url($input); if (isset($parsed['host'])) { $arr = explode('.', $parsed['host']); foreach ($arr as $k => $v) { $conv = $this->_decode($v); if ($conv) $arr[$k] = $conv; } $parsed['host'] = join('.', $arr); if (isset($parsed['scheme'])) { $parsed['scheme'] .= (strtolower($parsed['scheme']) == 'mailto') ? ':' : '://'; } $return = $this->_unparse_url($parsed); } else { // parse_url seems to have failed, try without it $arr = explode('.', $input); foreach ($arr as $k => $v) { $conv = $this->_decode($v); if ($conv) $arr[$k] = $conv; } $return = join('.', $arr); } } else { // Otherwise we consider it being a pure domain name string $return = $this->_decode($input); } // The output is UTF-8 by default, other output formats need conversion here // If one time encoding is given, use this, else the objects property switch (($one_time_encoding) ? $one_time_encoding : $this->_api_encoding) { case 'utf8': return $return; break; case 'ucs4_string': return $this->_ucs4_to_ucs4_string($this->_utf8_to_ucs4($return)); break; case 'ucs4_array': return $this->_utf8_to_ucs4($return); break; default: throw new InvalidArgumentException('Unsupported output format'); } } // {{{ private /** * Opposite function to parse_url() * * Inspired by code from comments of php.net-documentation for parse_url() * * @param array $parts_arr parts (strings) as returned by parse_url() * * @return string * @access private */ private function _unparse_url($parts_arr) { if (!empty($parts_arr['scheme'])) { $ret_url = $parts_arr['scheme']; } if (!empty($parts_arr['user'])) { $ret_url .= $parts_arr['user']; if (!empty($parts_arr['pass'])) { $ret_url .= ':' . $parts_arr['pass']; } $ret_url .= '@'; } $ret_url .= $parts_arr['host']; if (!empty($parts_arr['port'])) { $ret_url .= ':' . $parts_arr['port']; } $ret_url .= $parts_arr['path']; if (!empty($parts_arr['query'])) { $ret_url .= '?' . $parts_arr['query']; } if (!empty($parts_arr['fragment'])) { $ret_url .= '#' . $parts_arr['fragment']; } return $ret_url; } /** * The actual encoding algorithm. * * @param string $decoded Decoded string which should be encoded * * @return string Encoded string * @throws Exception * @access private */ private function _encode($decoded) { // We cannot encode a domain name containing the Punycode prefix $extract = self::_byteLength($this->_punycode_prefix); $check_pref = $this->_utf8_to_ucs4($this->_punycode_prefix); $check_deco = array_slice($decoded, 0, $extract); if ($check_pref == $check_deco) { throw new InvalidArgumentException('This is already a punycode string'); } // We will not try to encode strings consisting of basic code points only $encodable = false; foreach ($decoded as $k => $v) { if ($v > 0x7a) { $encodable = true; break; } } if (!$encodable) { if ($this->_strict_mode) { throw new InvalidArgumentException('The given string does not contain encodable chars'); } return false; } // Do NAMEPREP $decoded = $this->_nameprep($decoded); $deco_len = count($decoded); // Empty array if (!$deco_len) { return false; } // How many chars have been consumed $codecount = 0; // Start with the prefix; copy it to output $encoded = $this->_punycode_prefix; $encoded = ''; // Copy all basic code points to output for ($i = 0; $i < $deco_len; ++$i) { $test = $decoded[$i]; // Will match [0-9a-zA-Z-] if ((0x2F < $test && $test < 0x40) || (0x40 < $test && $test < 0x5B) || (0x60 < $test && $test <= 0x7B) || (0x2D == $test) ) { $encoded .= chr($decoded[$i]); $codecount++; } } // All codepoints were basic ones if ($codecount == $deco_len) { return $encoded; } // Start with the prefix; copy it to output $encoded = $this->_punycode_prefix . $encoded; // If we have basic code points in output, add an hyphen to the end if ($codecount) { $encoded .= '-'; } // Now find and encode all non-basic code points $is_first = true; $cur_code = $this->_initial_n; $bias = $this->_initial_bias; $delta = 0; while ($codecount < $deco_len) { // Find the smallest code point >= the current code point and // remember the last ouccrence of it in the input for ($i = 0, $next_code = $this->_max_ucs; $i < $deco_len; $i++) { if ($decoded[$i] >= $cur_code && $decoded[$i] <= $next_code) { $next_code = $decoded[$i]; } } $delta += ($next_code - $cur_code) * ($codecount + 1); $cur_code = $next_code; // Scan input again and encode all characters whose code point is $cur_code for ($i = 0; $i < $deco_len; $i++) { if ($decoded[$i] < $cur_code) { $delta++; } else if ($decoded[$i] == $cur_code) { for ($q = $delta, $k = $this->_base; 1; $k += $this->_base) { $t = ($k <= $bias)? $this->_tmin : (($k >= $bias + $this->_tmax)? $this->_tmax : $k - $bias); if ($q < $t) { break; } $encoded .= $this->_encodeDigit(ceil($t + (($q - $t) % ($this->_base - $t)))); $q = ($q - $t) / ($this->_base - $t); } $encoded .= $this->_encodeDigit($q); $bias = $this->_adapt($delta, $codecount + 1, $is_first); $codecount++; $delta = 0; $is_first = false; } } $delta++; $cur_code++; } return $encoded; } /** * The actual decoding algorithm. * * @param string $encoded Encoded string which should be decoded * * @return string Decoded string * @throws Exception * @access private */ private function _decode($encoded) { // We do need to find the Punycode prefix if (!preg_match('!^' . preg_quote($this->_punycode_prefix, '!') . '!', $encoded)) { return false; } $encode_test = preg_replace('!^' . preg_quote($this->_punycode_prefix, '!') . '!', '', $encoded); // If nothing left after removing the prefix, it is hopeless if (!$encode_test) { return false; } // Find last occurrence of the delimiter $delim_pos = strrpos($encoded, '-'); if ($delim_pos > self::_byteLength($this->_punycode_prefix)) { for ($k = self::_byteLength($this->_punycode_prefix); $k < $delim_pos; ++$k) { $decoded[] = ord($encoded{$k}); } } else { $decoded = array(); } $deco_len = count($decoded); $enco_len = self::_byteLength($encoded); // Wandering through the strings; init $is_first = true; $bias = $this->_initial_bias; $idx = 0; $char = $this->_initial_n; for ($enco_idx = ($delim_pos)? ($delim_pos + 1) : 0; $enco_idx < $enco_len; ++$deco_len) { for ($old_idx = $idx, $w = 1, $k = $this->_base; 1 ; $k += $this->_base) { $digit = $this->_decodeDigit($encoded{$enco_idx++}); $idx += $digit * $w; $t = ($k <= $bias) ? $this->_tmin : (($k >= $bias + $this->_tmax)? $this->_tmax : ($k - $bias)); if ($digit < $t) { break; } $w = (int)($w * ($this->_base - $t)); } $bias = $this->_adapt($idx - $old_idx, $deco_len + 1, $is_first); $is_first = false; $char += (int) ($idx / ($deco_len + 1)); $idx %= ($deco_len + 1); if ($deco_len > 0) { // Make room for the decoded char for ($i = $deco_len; $i > $idx; $i--) { $decoded[$i] = $decoded[($i - 1)]; } } $decoded[$idx++] = $char; } return $this->_ucs4_to_utf8($decoded); } /** * Adapt the bias according to the current code point and position. * * @param int $delta ... * @param int $npoints ... * @param boolean $is_first ... * * @return int * @access private */ private function _adapt($delta, $npoints, $is_first) { $delta = (int) ($is_first ? ($delta / $this->_damp) : ($delta / 2)); $delta += (int) ($delta / $npoints); for ($k = 0; $delta > (($this->_base - $this->_tmin) * $this->_tmax) / 2; $k += $this->_base) { $delta = (int) ($delta / ($this->_base - $this->_tmin)); } return (int) ($k + ($this->_base - $this->_tmin + 1) * $delta / ($delta + $this->_skew)); } /** * Encoding a certain digit. * * @param int $d One digit to encode * * @return char Encoded digit * @access private */ private function _encodeDigit($d) { return chr($d + 22 + 75 * ($d < 26)); } /** * Decode a certain digit. * * @param char $cp One digit (character) to decode * * @return int Decoded digit * @access private */ private function _decodeDigit($cp) { $cp = ord($cp); return ($cp - 48 < 10)? $cp - 22 : (($cp - 65 < 26)? $cp - 65 : (($cp - 97 < 26)? $cp - 97 : $this->_base)); } /** * Do Nameprep according to RFC3491 and RFC3454. * * @param array $input Unicode Characters * * @return string Unicode Characters, Nameprep'd * @throws Exception * @access private */ private function _nameprep($input) { $output = array(); // Walking through the input array, performing the required steps on each of // the input chars and putting the result into the output array // While mapping required chars we apply the canonical ordering foreach ($input as $v) { // Map to nothing == skip that code point if (in_array($v, self::$_np_map_nothing)) { continue; } // Try to find prohibited input if (in_array($v, self::$_np_prohibit) || in_array($v, self::$_general_prohibited)) { throw new Net_IDNA2_Exception_Nameprep('Prohibited input U+' . sprintf('%08X', $v)); } foreach (self::$_np_prohibit_ranges as $range) { if ($range[0] <= $v && $v <= $range[1]) { throw new Net_IDNA2_Exception_Nameprep('Prohibited input U+' . sprintf('%08X', $v)); } } // Hangul syllable decomposition if (0xAC00 <= $v && $v <= 0xD7AF) { foreach ($this->_hangulDecompose($v) as $out) { $output[] = $out; } } else if (($this->_version == '2003') && isset(self::$_np_replacemaps[$v])) { // There's a decomposition mapping for that code point // Decompositions only in version 2003 (original) of IDNA foreach ($this->_applyCannonicalOrdering(self::$_np_replacemaps[$v]) as $out) { $output[] = $out; } } else { $output[] = $v; } } // Combine code points $last_class = 0; $last_starter = 0; $out_len = count($output); for ($i = 0; $i < $out_len; ++$i) { $class = $this->_getCombiningClass($output[$i]); if ((!$last_class || $last_class != $class) && $class) { // Try to match $seq_len = $i - $last_starter; $out = $this->_combine(array_slice($output, $last_starter, $seq_len)); // On match: Replace the last starter with the composed character and remove // the now redundant non-starter(s) if ($out) { $output[$last_starter] = $out; if (count($out) != $seq_len) { for ($j = $i + 1; $j < $out_len; ++$j) { $output[$j - 1] = $output[$j]; } unset($output[$out_len]); } // Rewind the for loop by one, since there can be more possible compositions $i--; $out_len--; $last_class = ($i == $last_starter)? 0 : $this->_getCombiningClass($output[$i - 1]); continue; } } // The current class is 0 if (!$class) { $last_starter = $i; } $last_class = $class; } return $output; } /** * Decomposes a Hangul syllable * (see http://www.unicode.org/unicode/reports/tr15/#Hangul). * * @param integer $char 32bit UCS4 code point * * @return array Either Hangul Syllable decomposed or original 32bit * value as one value array * @access private */ private function _hangulDecompose($char) { $sindex = $char - $this->_sbase; if ($sindex < 0 || $sindex >= $this->_scount) { return array($char); } $result = array(); $T = $this->_tbase + $sindex % $this->_tcount; $result[] = (int)($this->_lbase + $sindex / $this->_ncount); $result[] = (int)($this->_vbase + ($sindex % $this->_ncount) / $this->_tcount); if ($T != $this->_tbase) { $result[] = $T; } return $result; } /** * Ccomposes a Hangul syllable * (see http://www.unicode.org/unicode/reports/tr15/#Hangul). * * @param array $input Decomposed UCS4 sequence * * @return array UCS4 sequence with syllables composed * @access private */ private function _hangulCompose($input) { $inp_len = count($input); if (!$inp_len) { return array(); } $result = array(); $last = $input[0]; $result[] = $last; // copy first char from input to output for ($i = 1; $i < $inp_len; ++$i) { $char = $input[$i]; // Find out, wether two current characters from L and V $lindex = $last - $this->_lbase; if (0 <= $lindex && $lindex < $this->_lcount) { $vindex = $char - $this->_vbase; if (0 <= $vindex && $vindex < $this->_vcount) { // create syllable of form LV $last = ($this->_sbase + ($lindex * $this->_vcount + $vindex) * $this->_tcount); $out_off = count($result) - 1; $result[$out_off] = $last; // reset last // discard char continue; } } // Find out, wether two current characters are LV and T $sindex = $last - $this->_sbase; if (0 <= $sindex && $sindex < $this->_scount && ($sindex % $this->_tcount) == 0) { $tindex = $char - $this->_tbase; if (0 <= $tindex && $tindex <= $this->_tcount) { // create syllable of form LVT $last += $tindex; $out_off = count($result) - 1; $result[$out_off] = $last; // reset last // discard char continue; } } // if neither case was true, just add the character $last = $char; $result[] = $char; } return $result; } /** * Returns the combining class of a certain wide char. * * @param integer $char Wide char to check (32bit integer) * * @return integer Combining class if found, else 0 * @access private */ private function _getCombiningClass($char) { return isset(self::$_np_norm_combcls[$char])? self::$_np_norm_combcls[$char] : 0; } /** * Apllies the canonical ordering of a decomposed UCS4 sequence. * * @param array $input Decomposed UCS4 sequence * * @return array Ordered USC4 sequence * @access private */ private function _applyCannonicalOrdering($input) { $swap = true; $size = count($input); while ($swap) { $swap = false; $last = $this->_getCombiningClass($input[0]); for ($i = 0; $i < $size - 1; ++$i) { $next = $this->_getCombiningClass($input[$i + 1]); if ($next != 0 && $last > $next) { // Move item leftward until it fits for ($j = $i + 1; $j > 0; --$j) { if ($this->_getCombiningClass($input[$j - 1]) <= $next) { break; } $t = $input[$j]; $input[$j] = $input[$j - 1]; $input[$j - 1] = $t; $swap = 1; } // Reentering the loop looking at the old character again $next = $last; } $last = $next; } } return $input; } /** * Do composition of a sequence of starter and non-starter. * * @param array $input UCS4 Decomposed sequence * * @return array Ordered USC4 sequence * @access private */ private function _combine($input) { $inp_len = count($input); // Is it a Hangul syllable? if (1 != $inp_len) { $hangul = $this->_hangulCompose($input); // This place is probably wrong if (count($hangul) != $inp_len) { return $hangul; } } foreach (self::$_np_replacemaps as $np_src => $np_target) { if ($np_target[0] != $input[0]) { continue; } if (count($np_target) != $inp_len) { continue; } $hit = false; foreach ($input as $k2 => $v2) { if ($v2 == $np_target[$k2]) { $hit = true; } else { $hit = false; break; } } if ($hit) { return $np_src; } } return false; } /** * This converts an UTF-8 encoded string to its UCS-4 (array) representation * By talking about UCS-4 we mean arrays of 32bit integers representing * each of the "chars". This is due to PHP not being able to handle strings with * bit depth different from 8. This applies to the reverse method _ucs4_to_utf8(), too. * The following UTF-8 encodings are supported: * * bytes bits representation * 1 7 0xxxxxxx * 2 11 110xxxxx 10xxxxxx * 3 16 1110xxxx 10xxxxxx 10xxxxxx * 4 21 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx * 5 26 111110xx 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx * 6 31 1111110x 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx * * Each x represents a bit that can be used to store character data. * * @param string $input utf8-encoded string * * @return array ucs4-encoded array * @throws Exception * @access private */ private function _utf8_to_ucs4($input) { $output = array(); $out_len = 0; $inp_len = self::_byteLength($input, '8bit'); $mode = 'next'; $test = 'none'; for ($k = 0; $k < $inp_len; ++$k) { $v = ord($input{$k}); // Extract byte from input string if ($v < 128) { // We found an ASCII char - put into string as is $output[$out_len] = $v; ++$out_len; if ('add' == $mode) { throw new UnexpectedValueException('Conversion from UTF-8 to UCS-4 failed: malformed input at byte '.$k); } continue; } if ('next' == $mode) { // Try to find the next start byte; determine the width of the Unicode char $start_byte = $v; $mode = 'add'; $test = 'range'; if ($v >> 5 == 6) { // &110xxxxx 10xxxxx $next_byte = 0; // Tells, how many times subsequent bitmasks must rotate 6bits to the left $v = ($v - 192) << 6; } elseif ($v >> 4 == 14) { // &1110xxxx 10xxxxxx 10xxxxxx $next_byte = 1; $v = ($v - 224) << 12; } elseif ($v >> 3 == 30) { // &11110xxx 10xxxxxx 10xxxxxx 10xxxxxx $next_byte = 2; $v = ($v - 240) << 18; } elseif ($v >> 2 == 62) { // &111110xx 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx $next_byte = 3; $v = ($v - 248) << 24; } elseif ($v >> 1 == 126) { // &1111110x 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx $next_byte = 4; $v = ($v - 252) << 30; } else { throw new UnexpectedValueException('This might be UTF-8, but I don\'t understand it at byte '.$k); } if ('add' == $mode) { $output[$out_len] = (int) $v; ++$out_len; continue; } } if ('add' == $mode) { if (!$this->_allow_overlong && $test == 'range') { $test = 'none'; if (($v < 0xA0 && $start_byte == 0xE0) || ($v < 0x90 && $start_byte == 0xF0) || ($v > 0x8F && $start_byte == 0xF4)) { throw new OutOfRangeException('Bogus UTF-8 character detected (out of legal range) at byte '.$k); } } if ($v >> 6 == 2) { // Bit mask must be 10xxxxxx $v = ($v - 128) << ($next_byte * 6); $output[($out_len - 1)] += $v; --$next_byte; } else { throw new UnexpectedValueException('Conversion from UTF-8 to UCS-4 failed: malformed input at byte '.$k); } if ($next_byte < 0) { $mode = 'next'; } } } // for return $output; } /** * Convert UCS-4 array into UTF-8 string * * @param array $input ucs4-encoded array * * @return string utf8-encoded string * @throws Exception * @access private */ private function _ucs4_to_utf8($input) { $output = ''; foreach ($input as $v) { // $v = ord($v); if ($v < 128) { // 7bit are transferred literally $output .= chr($v); } else if ($v < 1 << 11) { // 2 bytes $output .= chr(192 + ($v >> 6)) . chr(128 + ($v & 63)); } else if ($v < 1 << 16) { // 3 bytes $output .= chr(224 + ($v >> 12)) . chr(128 + (($v >> 6) & 63)) . chr(128 + ($v & 63)); } else if ($v < 1 << 21) { // 4 bytes $output .= chr(240 + ($v >> 18)) . chr(128 + (($v >> 12) & 63)) . chr(128 + (($v >> 6) & 63)) . chr(128 + ($v & 63)); } else if ($v < 1 << 26) { // 5 bytes $output .= chr(248 + ($v >> 24)) . chr(128 + (($v >> 18) & 63)) . chr(128 + (($v >> 12) & 63)) . chr(128 + (($v >> 6) & 63)) . chr(128 + ($v & 63)); } else if ($v < 1 << 31) { // 6 bytes $output .= chr(252 + ($v >> 30)) . chr(128 + (($v >> 24) & 63)) . chr(128 + (($v >> 18) & 63)) . chr(128 + (($v >> 12) & 63)) . chr(128 + (($v >> 6) & 63)) . chr(128 + ($v & 63)); } else { throw new UnexpectedValueException('Conversion from UCS-4 to UTF-8 failed: malformed input'); } } return $output; } /** * Convert UCS-4 array into UCS-4 string * * @param array $input ucs4-encoded array * * @return string ucs4-encoded string * @throws Exception * @access private */ private function _ucs4_to_ucs4_string($input) { $output = ''; // Take array values and split output to 4 bytes per value // The bit mask is 255, which reads &11111111 foreach ($input as $v) { $output .= ($v & (255 << 24) >> 24) . ($v & (255 << 16) >> 16) . ($v & (255 << 8) >> 8) . ($v & 255); } return $output; } /** * Convert UCS-4 string into UCS-4 array * * @param string $input ucs4-encoded string * * @return array ucs4-encoded array * @throws InvalidArgumentException * @access private */ private function _ucs4_string_to_ucs4($input) { $output = array(); $inp_len = self::_byteLength($input); // Input length must be dividable by 4 if ($inp_len % 4) { throw new InvalidArgumentException('Input UCS4 string is broken'); } // Empty input - return empty output if (!$inp_len) { return $output; } for ($i = 0, $out_len = -1; $i < $inp_len; ++$i) { // Increment output position every 4 input bytes if (!$i % 4) { $out_len++; $output[$out_len] = 0; } $output[$out_len] += ord($input{$i}) << (8 * (3 - ($i % 4) ) ); } return $output; } /** * Echo hex representation of UCS4 sequence. * * @param array $input UCS4 sequence * @param boolean $include_bit Include bitmask in output * * @return void * @static * @access private */ private static function _showHex($input, $include_bit = false) { foreach ($input as $k => $v) { echo '[', $k, '] => ', sprintf('%X', $v); if ($include_bit) { echo ' (', Net_IDNA2::_showBitmask($v), ')'; } echo "\n"; } } /** * Gives you a bit representation of given Byte (8 bits), Word (16 bits) or DWord (32 bits) * Output width is automagically determined * * @param int $octet ... * * @return string Bitmask-representation * @static * @access private */ private static function _showBitmask($octet) { if ($octet >= (1 << 16)) { $w = 31; } else if ($octet >= (1 << 8)) { $w = 15; } else { $w = 7; } $return = ''; for ($i = $w; $i > -1; $i--) { $return .= ($octet & (1 << $i))? '1' : '0'; } return $return; } /** * Gets the length of a string in bytes even if mbstring function * overloading is turned on * * @param string $string the string for which to get the length. * * @return integer the length of the string in bytes. * * @see Net_IDNA2::$_mb_string_overload */ private static function _byteLength($string) { if (self::$_mb_string_overload) { return mb_strlen($string, '8bit'); } return strlen((binary)$string); } // }}}} // {{{ factory /** * Attempts to return a concrete IDNA instance for either php4 or php5. * * @param array $params Set of paramaters * * @return Net_IDNA2 * @access public */ public static function getInstance($params = array()) { return new Net_IDNA2($params); } // }}} // {{{ singleton /** * Attempts to return a concrete IDNA instance for either php4 or php5, * only creating a new instance if no IDNA instance with the same * parameters currently exists. * * @param array $params Set of parameters * * @return object Net_IDNA2 * @access public */ public static function singleton($params = array()) { static $instances; if (!isset($instances)) { $instances = array(); } $signature = serialize($params); if (!isset($instances[$signature])) { $instances[$signature] = Net_IDNA2::getInstance($params); } return $instances[$signature]; } // }}} } ?>