<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
* Charset conversion functions.
*
* @package PhpMyAdmin
*/
if (! defined('PHPMYADMIN')) {
exit;
}

define('PMA_CHARSET_NONE', 0);
define('PMA_CHARSET_ICONV', 1);
define('PMA_CHARSET_RECODE', 2);
define('PMA_CHARSET_ICONV_AIX', 3);

// Finally detect which function we will use:
if ($cfg['RecodingEngine'] == 'iconv') {
if (@function_exists('iconv')) {
if ((@stristr(PHP_OS, 'AIX'))
&& (@strcasecmp(ICONV_IMPL, 'unknown') == 0)
&& (@strcasecmp(ICONV_VERSION, 'unknown') == 0)
) {
$PMA_recoding_engine = PMA_CHARSET_ICONV_AIX;
} else {
$PMA_recoding_engine = PMA_CHARSET_ICONV;
}
} else {
$PMA_recoding_engine = PMA_CHARSET_NONE;
PMA_warnMissingExtension('iconv');
}
} elseif ($cfg['RecodingEngine'] == 'recode') {
if (@function_exists('recode_string')) {
$PMA_recoding_engine = PMA_CHARSET_RECODE;
} else {
$PMA_recoding_engine = PMA_CHARSET_NONE;
PMA_warnMissingExtension('recode');
}
} elseif ($cfg['RecodingEngine'] == 'auto') {
if (@function_exists('iconv')) {
if ((@stristr(PHP_OS, 'AIX'))
&& (@strcasecmp(ICONV_IMPL, 'unknown') == 0)
&& (@strcasecmp(ICONV_VERSION, 'unknown') == 0)
) {
$PMA_recoding_engine = PMA_CHARSET_ICONV_AIX;
} else {
$PMA_recoding_engine = PMA_CHARSET_ICONV;
}
} elseif (@function_exists('recode_string')) {
$PMA_recoding_engine = PMA_CHARSET_RECODE;
} else {
$PMA_recoding_engine = PMA_CHARSET_NONE;
}
} else {
$PMA_recoding_engine = PMA_CHARSET_NONE;
}

/* Load AIX iconv wrapper if needed */
if ($PMA_recoding_engine == PMA_CHARSET_ICONV_AIX) {
include_once './libraries/iconv_wrapper.lib.php';
}

/**
* Converts encoding of text according to parameters with detected
* conversion function.
*
* @param string $src_charset source charset
* @param string $dest_charset target charset
* @param string $what what to convert
*
* @return string converted text
*
* @access public
*
*/
function PMA_convert_string($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_ICONV_AIX:
return PMA_aix_iconv_wrapper(
$src_charset, $dest_charset . $GLOBALS['cfg']['IconvExtraParams'], $what
);
default:
return $what;
}
} // end of the "PMA_convert_string()" function

?>