Source of file GenericFixedWidthReader.php
Size: 2,432 Bytes - Last Modified: 2013-06-17T15:32:32+02:00
/home/theseer/Downloads/Symfony/vendor/swiftmailer/swiftmailer/lib/classes/Swift/CharacterReader/GenericFixedWidthReader.php
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100 | <?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. */ /** * Provides fixed-width byte sizes for reading fixed-width character sets. * * @package Swift * @subpackage Encoder * @author Chris Corbyn * @author Xavier De Cock <xdecock@gmail.com> */ class Swift_CharacterReader_GenericFixedWidthReader implements Swift_CharacterReader { /** * The number of bytes in a single character. * * @var integer */ private $_width; /** * Creates a new GenericFixedWidthReader using $width bytes per character. * * @param integer $width */ public function __construct($width) { $this->_width = $width; } /** * Returns the complete character map. * * @param string $string * @param integer $startOffset * @param array $currentMap * @param mixed $ignoredChars * * @return integer */ public function getCharPositions($string, $startOffset, &$currentMap, &$ignoredChars) { $strlen = strlen($string); // % and / are CPU intensive, so, maybe find a better way $ignored = $strlen % $this->_width; $ignoredChars = substr($string, - $ignored); $currentMap = $this->_width; return ($strlen - $ignored) / $this->_width; } /** * Returns the mapType. * * @return integer */ public function getMapType() { return self::MAP_TYPE_FIXED_LEN; } /** * Returns an integer which specifies how many more bytes to read. * * A positive integer indicates the number of more bytes to fetch before invoking * this method again. * * A value of zero means this is already a valid character. * A value of -1 means this cannot possibly be a valid character. * * @param string $bytes * @param integer $size * * @return integer */ public function validateByteSequence($bytes, $size) { $needed = $this->_width - $size; return ($needed > -1) ? $needed : -1; } /** * Returns the number of bytes which should be read to start each character. * * @return integer */ public function getInitialByteSize() { return $this->_width; } } |