Subversion-Projekte lars-tiefland.php_share

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1 lars 1 
<?php
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// $Header: /cvsroot/html2ps/converter.class.php,v 1.6 2006/06/25 13:55:35 Konstantin Exp $
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class Converter {
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  function create() {
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//     if (function_exists('iconv')) {
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//       return new IconvConverter;
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//     } else {
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      return new PurePHPConverter;
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//     }
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  }
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}
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class IconvConverter {
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  function to_utf8($string, $encoding) {
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    return iconv(strtoupper($encoding), "UTF-8", $string);
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  }
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}
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class PurePHPConverter {
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  function apply_aliases($encoding) {
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    global $g_encoding_aliases;
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    if (isset($g_encoding_aliases[$encoding])) {
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      return $g_encoding_aliases[$encoding];
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    }
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    return $encoding;
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  }
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  function to_utf8($html, $encoding) {
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    global $g_utf8_converters;
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    $encoding = $this->apply_aliases($encoding);
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    if ($encoding === 'iso-8859-1') {
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      return utf8_encode($html);
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    } elseif ($encoding === 'utf-8') {
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      return $html;
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    } elseif(isset($g_utf8_converters[$encoding])) {
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      return $this->something_to_utf8($html, $g_utf8_converters[$encoding][0]);
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    } else {
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      die("Unsupported encoding detected: '$encoding'");
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    };
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  }
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  function something_to_utf8($html, &$mapping) {
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    for ($i=0; $i < strlen($html); $i++) {
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      $replacement = code_to_utf8($mapping[$html{$i}]);
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      if ($replacement != $html{$i}) {
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        $html = substr_replace($html, $replacement, $i, 1);
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        $i += strlen($replacement) - 1;
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      };
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    };
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    return $html;
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  }
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}
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?>