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<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
* Config file generator
*
* @package PhpMyAdmin-Setup
*/
/**
* Config file generation class
*
* @package PhpMyAdmin
*/
class ConfigGenerator
{
/**
* Creates config file
*
* @param ConfigFile $cf Config file instance
*
* @return string
*/
public static function getConfigFile(ConfigFile $cf)
{
$crlf = (isset($_SESSION['eol']) && $_SESSION['eol'] == 'win')
? "\r\n"
: "\n";
$c = $cf->getConfig();
// header
$ret = '<?php' . $crlf
. '/*' . $crlf
. ' * Generated configuration file' . $crlf
. ' * Generated by: phpMyAdmin '
. $GLOBALS['PMA_Config']->get('PMA_VERSION')
. ' setup script' . $crlf
. ' * Date: ' . date(DATE_RFC1123) . $crlf
. ' */' . $crlf . $crlf;
// servers
if ($cf->getServerCount() > 0) {
$ret .= "/* Servers configuration */$crlf\$i = 0;" . $crlf . $crlf;
foreach ($c['Servers'] as $id => $server) {
$ret .= '/* Server: '
. strtr($cf->getServerName($id) . " [$id] ", '*/', '-')
. "*/" . $crlf
. '$i++;' . $crlf;
foreach ($server as $k => $v) {
$k = preg_replace('/[^A-Za-z0-9_]/', '_', $k);
$ret .= "\$cfg['Servers'][\$i]['$k'] = "
. (is_array($v) && self::_isZeroBasedArray($v)
? self::_exportZeroBasedArray($v, $crlf)
: var_export($v, true))
. ';' . $crlf;
}
$ret .= $crlf;
}
$ret .= '/* End of servers configuration */' . $crlf . $crlf;
}
unset($c['Servers']);
// other settings
$persistKeys = $cf->getPersistKeysMap();
foreach ($c as $k => $v) {
$k = preg_replace('/[^A-Za-z0-9_]/', '_', $k);
$ret .= self::_getVarExport($k, $v, $crlf);
if (isset($persistKeys[$k])) {
unset($persistKeys[$k]);
}
}
// keep 1d array keys which are present in $persist_keys (config.values.php)
foreach (array_keys($persistKeys) as $k) {
if (/*overload*/mb_strpos($k, '/') === false) {
$k = preg_replace('/[^A-Za-z0-9_]/', '_', $k);
$ret .= self::_getVarExport($k, $cf->getDefault($k), $crlf);
}
}
$ret .= '?' . '>';
return $ret;
}
/**
* Returns exported configuration variable
*
* @param string $var_name configuration name
* @param mixed $var_value configuration value(s)
* @param string $crlf line ending
*
* @return string
*/
private static function _getVarExport($var_name, $var_value, $crlf)
{
if (!is_array($var_value) || empty($var_value)) {
return "\$cfg['$var_name'] = "
. var_export($var_value, true) . ';' . $crlf;
}
$ret = '';
if (self::_isZeroBasedArray($var_value)) {
$ret = "\$cfg['$var_name'] = "
. self::_exportZeroBasedArray($var_value, $crlf)
. ';' . $crlf;
} else {
// string keys: $cfg[key][subkey] = value
foreach ($var_value as $k => $v) {
$k = preg_replace('/[^A-Za-z0-9_]/', '_', $k);
$ret .= "\$cfg['$var_name']['$k'] = "
. var_export($v, true) . ';' . $crlf;
}
}
return $ret;
}
/**
* Check whether $array is a continuous 0-based array
*
* @param array $array Array to check
*
* @return boolean
*/
private static function _isZeroBasedArray(array $array)
{
for ($i = 0, $nb = count($array); $i < $nb; $i++) {
if (! isset($array[$i])) {
return false;
}
}
return true;
}
/**
* Exports continuous 0-based array
*
* @param array $array Array to export
* @param string $crlf Newline string
*
* @return string
*/
private static function _exportZeroBasedArray(array $array, $crlf)
{
$retv = array();
foreach ($array as $v) {
$retv[] = var_export($v, true);
}
$ret = "array(";
if (count($retv) <= 4) {
// up to 4 values - one line
$ret .= implode(', ', $retv);
} else {
// more than 4 values - value per line
$imax = count($retv);
for ($i = 0; $i < $imax; $i++) {
$ret .= ($i > 0 ? ',' : '') . $crlf . ' ' . $retv[$i];
}
}
$ret .= ')';
return $ret;
}
}
?>