Subversion-Projekte lars-tiefland.php_share

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Revision Autor Zeilennr. Zeile
1 lars 1 
<?php
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/*
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 * This file is part of SwiftMailer.
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 * (c) 2004-2009 Chris Corbyn
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 *
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 * For the full copyright and license information, please view the LICENSE
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 * file that was distributed with this source code.
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 */
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//@require 'Swift/CharacterReader.php';
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/**
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 * Analyzes US-ASCII characters.
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 * @package Swift
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 * @subpackage Encoder
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 * @author Chris Corbyn
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 */
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class Swift_CharacterReader_UsAsciiReader
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  implements Swift_CharacterReader
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{
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  /**
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   * Returns the complete charactermap
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   *
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   * @param string $string
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   * @param int $startOffset
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   * @param string $ignoredChars
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   */
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  public function getCharPositions($string, $startOffset, &$currentMap, &$ignoredChars)
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  {
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  	$strlen=strlen($string);
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  	$ignoredChars='';
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  	for( $i = 0; $i < $strlen; ++$i)
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  	{
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  	  if ($string[$i]>"\x07F")
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  	  { // Invalid char
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  	  	$currentMap[$i+$startOffset]=$string[$i];
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  	  }
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  	}
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  	return $strlen;
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  }
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  /**
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   * Returns mapType
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   * @int mapType
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   */
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  public function getMapType()
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  {
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  	return self::MAP_TYPE_INVALID;
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  }
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  /**
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   * Returns an integer which specifies how many more bytes to read.
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   * A positive integer indicates the number of more bytes to fetch before invoking
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   * this method again.
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   * A value of zero means this is already a valid character.
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   * A value of -1 means this cannot possibly be a valid character.
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   * @param string $bytes
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   * @return int
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   */
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  public function validateByteSequence($bytes, $size)
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  {
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    $byte = reset($bytes);
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    if (1 == count($bytes) && $byte >= 0x00 && $byte <= 0x7F)
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    {
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      return 0;
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    }
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    else
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    {
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      return -1;
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    }
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  }
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  /**
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   * Returns the number of bytes which should be read to start each character.
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   * @return int
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   */
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  public function getInitialByteSize()
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  {
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    return 1;
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  }
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}