Viewing file: charset_conversion.lib.php (10.03 KB) -rw-r--r-- Select action/file-type: (+) | (+) | (+) | Code (+) | Session (+) | (+) | SDB (+) | (+) | (+) | (+) | (+) | (+) |
<?php /* $Id: charset_conversion.lib.php,v 2.9 2006/01/17 17:02:30 cybot_tm Exp $ */ // vim: expandtab sw=4 ts=4 sts=4:
/** * Charset conversion functions. */
/** * Loads the recode or iconv extensions if any of it is not loaded yet */ if (isset($cfg['AllowAnywhereRecoding']) && $cfg['AllowAnywhereRecoding'] && $allow_recoding) {
if ($cfg['RecodingEngine'] == 'recode') { if (!@extension_loaded('recode')) { PMA_dl('recode'); if (!@extension_loaded('recode')) { echo $strCantLoadRecodeIconv; exit; } } $PMA_recoding_engine = 'recode'; } elseif ($cfg['RecodingEngine'] == 'iconv') { if (!@extension_loaded('iconv')) { PMA_dl('iconv'); if (!@extension_loaded('iconv')) { echo $strCantLoadRecodeIconv; exit; } } $PMA_recoding_engine = 'iconv'; } else { if (@extension_loaded('iconv')) { $PMA_recoding_engine = 'iconv'; } elseif (@extension_loaded('recode')) { $PMA_recoding_engine = 'recode'; } else { PMA_dl('iconv'); if (!@extension_loaded('iconv')) { PMA_dl('recode'); if (!@extension_loaded('recode')) { echo $strCantLoadRecodeIconv; exit; } else { $PMA_recoding_engine = 'recode'; } } else { $PMA_recoding_engine = 'iconv'; } } } } // end load recode/iconv extension
define('PMA_CHARSET_NONE', 0); define('PMA_CHARSET_ICONV', 1); define('PMA_CHARSET_LIBICONV', 2); define('PMA_CHARSET_RECODE', 3);
if (!isset($cfg['IconvExtraParams'])) { $cfg['IconvExtraParams'] = ''; }
// Finally detects which function will we use: if (isset($cfg['AllowAnywhereRecoding']) && $cfg['AllowAnywhereRecoding'] && $allow_recoding) {
if (!isset($PMA_recoding_engine)) { $PMA_recoding_engine = $cfg['RecodingEngine']; } if ($PMA_recoding_engine == 'iconv') { if (@function_exists('iconv')) { $PMA_recoding_engine = PMA_CHARSET_ICONV; } elseif (@function_exists('libiconv')) { $PMA_recoding_engine = PMA_CHARSET_LIBICONV; } else { $PMA_recoding_engine = PMA_CHARSET_NONE;
if (!isset($GLOBALS['is_header_sent'])) { include('./libraries/header.inc.php'); } echo $strCantUseRecodeIconv; require_once('./libraries/footer.inc.php'); exit(); } } elseif ($PMA_recoding_engine == 'recode') { if (@function_exists('recode_string')) { $PMA_recoding_engine = PMA_CHARSET_RECODE; } else { $PMA_recoding_engine = PMA_CHARSET_NONE;
require_once('./libraries/header.inc.php'); echo $strCantUseRecodeIconv; require_once('./libraries/footer.inc.php'); exit; } } else { if (@function_exists('iconv')) { $PMA_recoding_engine = PMA_CHARSET_ICONV; } elseif (@function_exists('libiconv')) { $PMA_recoding_engine = PMA_CHARSET_LIBICONV; } elseif (@function_exists('recode_string')) { $PMA_recoding_engine = PMA_CHARSET_RECODE; } else { $PMA_recoding_engine = PMA_CHARSET_NONE;
require_once('./libraries/header.inc.php'); echo $strCantUseRecodeIconv; require_once('./libraries/footer.inc.php'); exit; } } } else { $PMA_recoding_engine = PMA_CHARSET_NONE; }
/** * Converts encoding according to current settings. * * @param mixed what to convert (string or array of strings or object returned by mysql_fetch_field) * * @return string converted string or array of strings * * @global array the configuration array * @global boolean whether recoding is allowed or not * @global string the current charset * @global array the charset to convert to * * @access public * * @author nijel */ function PMA_convert_display_charset($what) { global $cfg, $allow_recoding, $charset, $convcharset;
if (!(isset($cfg['AllowAnywhereRecoding']) && $cfg['AllowAnywhereRecoding'] && $allow_recoding) || $convcharset == $charset // rabus: if input and output charset are the same, we don't have to do anything... // this constant is not defined before the login: || (defined('PMA_MYSQL_INT_VERSION') && PMA_MYSQL_INT_VERSION >= 40100) ) { // lem9: even if AllowAnywhereRecoding is TRUE, do not recode for MySQL >= 4.1.x since MySQL does the job return $what; } elseif (is_array($what)) { $result = array(); foreach ($what AS $key => $val) { if (is_string($val) || is_array($val)) { if (is_string($key)) { $result[PMA_convert_display_charset($key)] = PMA_convert_display_charset($val); } else { $result[$key] = PMA_convert_display_charset($val); } } else { $result[$key] = $val; } } // end while return $result; } elseif (is_string($what)) {
switch ($GLOBALS['PMA_recoding_engine']) { case PMA_CHARSET_RECODE: return recode_string($convcharset . '..' . $charset, $what); case PMA_CHARSET_ICONV: return iconv($convcharset, $charset . $cfg['IconvExtraParams'], $what); case PMA_CHARSET_LIBICONV: return libiconv($convcharset, $charset, $what); default: return $what; } } elseif (is_object($what)) { // isn't it object returned from mysql_fetch_field ? if (@is_string($what->name)) { $what->name = PMA_convert_display_charset($what->name); } if (@is_string($what->table)) { $what->table = PMA_convert_display_charset($what->table); } if (@is_string($what->Database)) { $what->Database = PMA_convert_display_charset($what->Database); } return $what; } else { // when we don't know what it is we don't touch it... return $what; } } // end of the "PMA_convert_display_charset()" function
/** * Converts encoding of text according to current settings. * * @param string what to convert * * @return string converted text * * @global array the configuration array * @global boolean whether recoding is allowed or not * @global string the current charset * @global array the charset to convert to * * @access public * * @author nijel */ function PMA_convert_charset($what) { global $cfg, $allow_recoding, $charset, $convcharset;
if (!(isset($cfg['AllowAnywhereRecoding']) && $cfg['AllowAnywhereRecoding'] && $allow_recoding) || $convcharset == $charset) { // rabus: if input and output charset are the same, we don't have to do anything... return $what; } else { switch ($GLOBALS['PMA_recoding_engine']) { case PMA_CHARSET_RECODE: return recode_string($charset . '..' . $convcharset, $what); case PMA_CHARSET_ICONV: return iconv($charset, $convcharset . $cfg['IconvExtraParams'], $what); case PMA_CHARSET_LIBICONV: return libiconv($charset, $convcharset, $what); default: return $what; } } } // end of the "PMA_convert_charset()" function
/** * Converts encoding of text according to parameters with detected * conversion function. * * @param string source charset * @param string target charset * @param string what to convert * * @return string converted text * * @access public * * @author nijel */ function PMA_convert_string($src_charset, $dest_charset, $what) { if ($src_charset == $dest_charset) { return $what; } switch ($GLOBALS['PMA_recoding_engine']) { case PMA_CHARSET_RECODE: return recode_string($src_charset . '..' . $dest_charset, $what); case PMA_CHARSET_ICONV: return iconv($src_charset, $dest_charset . $GLOBALS['cfg']['IconvExtraParams'], $what); case PMA_CHARSET_LIBICONV: return libiconv($src_charset, $dest_charset, $what); default: return $what; } } // end of the "PMA_convert_string()" function
/** * Converts encoding of file according to parameters with detected * conversion function. The old file will be unlinked and new created and * its file name is returned. * * @param string source charset * @param string target charset * @param string file to convert * * @return string new temporay file * * @access public * * @author nijel */ function PMA_convert_file($src_charset, $dest_charset, $file) { switch ($GLOBALS['PMA_recoding_engine']) { case PMA_CHARSET_RECODE: case PMA_CHARSET_ICONV: case PMA_CHARSET_LIBICONV: $tmpfname = tempnam('', 'PMA_convert_file'); $fin = fopen($file, 'r'); $fout = fopen($tmpfname, 'w'); if ($GLOBALS['PMA_recoding_engine'] == PMA_CHARSET_RECODE) { recode_file($src_charset . '..' . $dest_charset, $fin, $fout); } else { while (!feof($fin)) { $line = fgets($fin, 4096); if ($GLOBALS['PMA_recoding_engine'] == PMA_CHARSET_ICONV) { $dist = iconv($src_charset, $dest_charset . $GLOBALS['cfg']['IconvExtraParams'], $line); } else { $dist = libiconv($src_charset, $dest_charset, $line); } fputs($fout, $dist); } // end while } fclose($fin); fclose($fout); unlink($file);
return $tmpfname; default: return $file; } } // end of the "PMA_convert_file()" function
?>
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