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authorAntonio Gallo <tonicucoz@gmail.com>2010-10-17 13:29:57 +0000
committerAntonio Gallo <tonicucoz@gmail.com>2010-10-17 13:29:57 +0000
commit232aa1924c8c0f10d87b210b46c9f061af5c844c (patch)
tree2351f2aaff7ad244f60358954e4711692fb8aadc /h-source/External/swiftmailer/lib/classes/Swift/CharacterReaderFactory/SimpleCharacterReaderFactory.php
parenta17e3e0495bee3705d3c1e5ead2db1a8359e64e9 (diff)
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+<?php
+
+/*
+ * This file is part of SwiftMailer.
+ * (c) 2004-2009 Chris Corbyn
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+//@require 'Swift/CharacterReaderFactory.php';
+
+/**
+ * Standard factory for creating CharacterReaders.
+ * @package Swift
+ * @subpackage Encoder
+ * @author Chris Corbyn
+ */
+class Swift_CharacterReaderFactory_SimpleCharacterReaderFactory
+ implements Swift_CharacterReaderFactory
+{
+
+ /**
+ * A map of charset patterns to their implementation classes.
+ * @var array
+ * @access private
+ */
+ private $_map = array();
+
+ /**
+ * Factories which have already been loaded.
+ * @var Swift_CharacterReaderFactory[]
+ * @access private
+ */
+ private $_loaded = array();
+
+ /**
+ * Creates a new CharacterReaderFactory.
+ */
+ public function __construct()
+ {
+ $prefix = 'Swift_CharacterReader_';
+
+ $singleByte = array(
+ 'class' => $prefix . 'GenericFixedWidthReader',
+ 'constructor' => array(1)
+ );
+
+ $doubleByte = array(
+ 'class' => $prefix . 'GenericFixedWidthReader',
+ 'constructor' => array(2)
+ );
+
+ $fourBytes = array(
+ 'class' => $prefix . 'GenericFixedWidthReader',
+ 'constructor' => array(4)
+ );
+
+ //Utf-8
+ $this->_map['utf-?8'] = array(
+ 'class' => $prefix . 'Utf8Reader',
+ 'constructor' => array()
+ );
+
+ //7-8 bit charsets
+ $this->_map['(us-)?ascii'] = $singleByte;
+ $this->_map['(iso|iec)-?8859-?[0-9]+'] = $singleByte;
+ $this->_map['windows-?125[0-9]'] = $singleByte;
+ $this->_map['cp-?[0-9]+'] = $singleByte;
+ $this->_map['ansi'] = $singleByte;
+ $this->_map['macintosh'] = $singleByte;
+ $this->_map['koi-?7'] = $singleByte;
+ $this->_map['koi-?8-?.+'] = $singleByte;
+ $this->_map['mik'] = $singleByte;
+ $this->_map['(cork|t1)'] = $singleByte;
+ $this->_map['v?iscii'] = $singleByte;
+
+ //16 bits
+ $this->_map['(ucs-?2|utf-?16)'] = $doubleByte;
+
+ //32 bits
+ $this->_map['(ucs-?4|utf-?32)'] = $fourBytes;
+
+ //Fallback
+ $this->_map['.*'] = $singleByte;
+ }
+
+ /**
+ * Returns a CharacterReader suitable for the charset applied.
+ * @param string $charset
+ * @return Swift_CharacterReader
+ */
+ public function getReaderFor($charset)
+ {
+ $charset = trim(strtolower($charset));
+ foreach ($this->_map as $pattern => $spec)
+ {
+ $re = '/^' . $pattern . '$/D';
+ if (preg_match($re, $charset))
+ {
+ if (!array_key_exists($pattern, $this->_loaded))
+ {
+ $reflector = new ReflectionClass($spec['class']);
+ if ($reflector->getConstructor())
+ {
+ $reader = $reflector->newInstanceArgs($spec['constructor']);
+ }
+ else
+ {
+ $reader = $reflector->newInstance();
+ }
+ $this->_loaded[$pattern] = $reader;
+ }
+ return $this->_loaded[$pattern];
+ }
+ }
+ }
+
+}