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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),
0x1E5A => array(0x1E5B),
0x1E5C => array(0x1E5D),
0x1E5E => array(0x1E5F),
0x1E60 => array(0x1E61),
0x1E62 => array(0x1E63),
0x1E64 => array(0x1E65),
0x1E66 => array(0x1E67),
0x1E68 => array(0x1E69),
0x1E6A => array(0x1E6B),
0x1E6C => array(0x1E6D),
0x1E6E => array(0x1E6F),
0x1E70 => array(0x1E71),
0x1E72 => array(0x1E73),
0x1E74 => array(0x1E75),
0x1E76 => array(0x1E77),
0x1E78 => array(0x1E79),
0x1E7A => array(0x1E7B),
0x1E7C => array(0x1E7D),
0x1E7E => array(0x1E7F),
0x1E80 => array(0x1E81),
0x1E82 => array(0x1E83),
0x1E84 => array(0x1E85),
0x1E86 => array(0x1E87),
0x1E88 => array(0x1E89),
0x1E8A => array(0x1E8B),
0x1E8C => array(0x1E8D),
0x1E8E => array(0x1E8F),
0x1E90 => array(0x1E91),
0x1E92 => array(0x1E93),
0x1E94 => array(0x1E95),
0x1E96 => array(0x68, 0x331),
0x1E97 => array(0x74, 0x308),
0x1E98 => array(0x77, 0x30A),
0x1E99 => array(0x79, 0x30A),
0x1E9A => array(0x61, 0x2BE),
0x1E9B => array(0x1E61),
0x1EA0 => array(0x1EA1),
0x1EA2 => array(0x1EA3),
0x1EA4 => array(0x1EA5),
0x1EA6 => array(0x1EA7),
0x1EA8 => array(0x1EA9),
0x1EAA => array(0x1EAB),
0x1EAC => array(0x1EAD),
0x1EAE => array(0x1EAF),
0x1EB0 => array(0x1EB1),
0x1EB2 => array(0x1EB3),
0x1EB4 => array(0x1EB5),
0x1EB6 => array(0x1EB7),
0x1EB8 => array(0x1EB9),
0x1EBA => array(0x1EBB),
0x1EBC => array(0x1EBD),
0x1EBE => array(0x1EBF),
0x1EC0 => array(0x1EC1),
0x1EC2 => array(0x1EC3),
0x1EC4 => array(0x1EC5),
0x1EC6 => array(0x1EC7),
0x1EC8 => array(0x1EC9),
0x1ECA => array(0x1ECB),
0x1ECC => array(0x1ECD),
0x1ECE => array(0x1ECF),
0x1ED0 => array(0x1ED1),
0x1ED2 => array(0x1ED3),
0x1ED4 => array(0x1ED5),
0x1ED6 => array(0x1ED7),
0x1ED8 => array(0x1ED9),
0x1EDA => array(0x1EDB),
0x1EDC => array(0x1EDD),
0x1EDE => array(0x1EDF),
0x1EE0 => array(0x1EE1),
0x1EE2 => array(0x1EE3),
0x1EE4 => array(0x1EE5),
0x1EE6 => array(0x1EE7),
0x1EE8 => array(0x1EE9),
0x1EEA => array(0x1EEB),
0x1EEC => array(0x1EED),
0x1EEE => array(0x1EEF),
0x1EF0 => array(0x1EF1),
0x1EF2 => array(0x1EF3),
0x1EF4 => array(0x1EF5),
0x1EF6 => array(0x1EF7),
0x1EF8 => array(0x1EF9),
0x1F08 => array(0x1F00),
0x1F09 => array(0x1F01),
0x1F0A => array(0x1F02),
0x1F0B => array(0x1F03),
0x1F0C => array(0x1F04),
0x1F0D => array(0x1F05),
0x1F0E => array(0x1F06),
0x1F0F => array(0x1F07),
0x1F18 => array(0x1F10),
0x1F19 => array(0x1F11),
0x1F1A => array(0x1F12),
0x1F1B => array(0x1F13),
0x1F1C => array(0x1F14),
0x1F1D => array(0x1F15),
0x1F28 => array(0x1F20),
0x1F29 => array(0x1F21),
0x1F2A => array(0x1F22),
0x1F2B => array(0x1F23),
0x1F2C => array(0x1F24),
0x1F2D => array(0x1F25),
0x1F2E => array(0x1F26),
0x1F2F => array(0x1F27),
0x1F38 => array(0x1F30),
0x1F39 => array(0x1F31),
0x1F3A => array(0x1F32),
0x1F3B => array(0x1F33),
0x1F3C => array(0x1F34),
0x1F3D => array(0x1F35),
0x1F3E => array(0x1F36),
0x1F3F => array(0x1F37),
0x1F48 => array(0x1F40),
0x1F49 => array(0x1F41),
0x1F4A => array(0x1F42),
0x1F4B => array(0x1F43),
0x1F4C => array(0x1F44),
0x1F4D => array(0x1F45),
0x1F50 => array(0x3C5, 0x313),
0x1F52 => array(0x3C5, 0x313, 0x300),
0x1F54 => array(0x3C5, 0x313, 0x301),
0x1F56 => array(0x3C5, 0x313, 0x342),
0x1F59 => array(0x1F51),
0x1F5B => array(0x1F53),
0x1F5D => array(0x1F55),
0x1F5F => array(0x1F57),
0x1F68 => array(0x1F60),
0x1F69 => array(0x1F61),
0x1F6A => array(0x1F62),
0x1F6B => array(0x1F63),
0x1F6C => array(0x1F64),
0x1F6D => array(0x1F65),
0x1F6E => array(0x1F66),
0x1F6F => array(0x1F67),
0x1F80 => array(0x1F00, 0x3B9),
0x1F81 => array(0x1F01, 0x3B9),
0x1F82 => array(0x1F02, 0x3B9),
0x1F83 => array(0x1F03, 0x3B9),
0x1F84 => array(0x1F04, 0x3B9),
0x1F85 => array(0x1F05, 0x3B9),
0x1F86 => array(0x1F06, 0x3B9),
0x1F87 => array(0x1F07, 0x3B9),
0x1F88 => array(0x1F00, 0x3B9),
0x1F89 => array(0x1F01, 0x3B9),
0x1F8A => array(0x1F02, 0x3B9),
0x1F8B => array(0x1F03, 0x3B9),
0x1F8C => array(0x1F04, 0x3B9),
0x1F8D => array(0x1F05, 0x3B9),
0x1F8E => array(0x1F06, 0x3B9),
0x1F8F => array(0x1F07, 0x3B9),
0x1F90 => array(0x1F20, 0x3B9),
0x1F91 => array(0x1F21, 0x3B9),
0x1F92 => 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];
}
// }}}
}
?>