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| <?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 |
| |
| ?> |