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<?php
/**
* BaconQrCode
*
* @link http://github.com/Bacon/BaconQrCode For the canonical source repository
* @copyright 2013 Ben 'DASPRiD' Scholzen
* @license http://opensource.org/licenses/BSD-2-Clause Simplified BSD License
*/
namespace BaconQrCode\Common;
/**
* Encapsulates a Character Set ECI, according to "Extended Channel
* Interpretations" 5.3.1.1 of ISO 18004.
*/
class CharacterSetEci extends AbstractEnum
{
/**#@+
* Character set constants.
*/
const CP437 = 0;
const ISO8859_1 = 1;
const ISO8859_2 = 4;
const ISO8859_3 = 5;
const ISO8859_4 = 6;
const ISO8859_5 = 7;
const ISO8859_6 = 8;
const ISO8859_7 = 9;
const ISO8859_8 = 10;
const ISO8859_9 = 11;
const ISO8859_10 = 12;
const ISO8859_11 = 13;
const ISO8859_12 = 14;
const ISO8859_13 = 15;
const ISO8859_14 = 16;
const ISO8859_15 = 17;
const ISO8859_16 = 18;
const SJIS = 20;
const CP1250 = 21;
const CP1251 = 22;
const CP1252 = 23;
const CP1256 = 24;
const UNICODE_BIG_UNMARKED = 25;
const UTF8 = 26;
const ASCII = 27;
const BIG5 = 28;
const GB18030 = 29;
const EUC_KR = 30;
/**#@-*/
/**
* Map between character names and their ECI values.
*
* @var array
*/
protected static $nameToEci = array(
'ISO-8859-1' => self::ISO8859_1,
'ISO-8859-2' => self::ISO8859_2,
'ISO-8859-3' => self::ISO8859_3,
'ISO-8859-4' => self::ISO8859_4,
'ISO-8859-5' => self::ISO8859_5,
'ISO-8859-6' => self::ISO8859_6,
'ISO-8859-7' => self::ISO8859_7,
'ISO-8859-8' => self::ISO8859_8,
'ISO-8859-9' => self::ISO8859_9,
'ISO-8859-10' => self::ISO8859_10,
'ISO-8859-11' => self::ISO8859_11,
'ISO-8859-12' => self::ISO8859_12,
'ISO-8859-13' => self::ISO8859_13,
'ISO-8859-14' => self::ISO8859_14,
'ISO-8859-15' => self::ISO8859_15,
'ISO-8859-16' => self::ISO8859_16,
'SHIFT-JIS' => self::SJIS,
'WINDOWS-1250' => self::CP1250,
'WINDOWS-1251' => self::CP1251,
'WINDOWS-1252' => self::CP1252,
'WINDOWS-1256' => self::CP1256,
'UTF-16BE' => self::UNICODE_BIG_UNMARKED,
'UTF-8' => self::UTF8,
'ASCII' => self::ASCII,
'GBK' => self::GB18030,
'EUC-KR' => self::EUC_KR,
);
/**
* Additional possible values for character sets.
*
* @var array
*/
protected $additionalValues = array(
self::CP437 => 2,
self::ASCII => 170,
);
/**
* Gets character set ECI by value.
*
* @param string $name
* @return CharacterSetEci|null
*/
public static function getCharacterSetECIByValue($value)
{
if ($value < 0 || $value >= 900) {
throw new Exception\InvalidArgumentException('Value must be between 0 and 900');
}
if (false !== ($key = array_search($value, self::$additionalValues))) {
$value = $key;
}
try {
return new self($value);
} catch (Exception\UnexpectedValueException $e) {
return null;
}
}
/**
* Gets character set ECI by name.
*
* @param string $name
* @return CharacterSetEci|null
*/
public static function getCharacterSetECIByName($name)
{
$name = strtoupper($name);
if (isset(self::$nameToEci[$name])) {
return new self(self::$nameToEci[$name]);
}
return null;
}
}
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