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<?php
/**
* @version $Id: ini.php 30069 2016-03-08 17:45:33Z matias $
* @author RocketTheme http://www.rockettheme.com
* @copyright Copyright (C) 2007 - 2016 RocketTheme, LLC
* @license http://www.gnu.org/licenses/gpl-2.0.html GNU/GPLv2 only
*
* derived from Joomla with original copyright and license
* @copyright Copyright (C) 2005 - 2010 Open Source Matters, Inc. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE.txt
*/
// No direct access
defined('GANTRY_VERSION') or die;
/**
* INI format handler for GantryRegistry.
*
* @package Joomla.Framework
* @subpackage Registry
* @since 1.5
*/
class GantryRegistryFormatINI extends GantryRegistryFormat
{
private static $cache = array();
/**
* Converts an object into an INI formatted string
* - Unfortunately, there is no way to have ini values nested further than two
* levels deep. Therefore we will only go through the first two levels of
* the object.
*
* @param object Data source object.
* @param array Options used by the formatter.
*
* @return string INI formatted string.
* @since 1.5
*/
public function objectToString($object, $options = array())
{
// Initialize variables.
$local = array();
$global = array();
// Iterate over the object to set the properties.
foreach (get_object_vars($object) as $key => $value) {
// If the value is an object then we need to put it in a local section.
if (is_object($value)) {
// Add the section line.
$local[] = '';
$local[] = '[' . $key . ']';
// Add the properties for this section.
foreach (get_object_vars($value) as $k => $v) {
$local[] = $k . '=' . $this->_getValueAsINI($v);
}
} else {
// Not in a section so add the property to the global array.
$global[] = $key . '=' . $this->_getValueAsINI($value);
}
}
return implode("\n", array_merge($global, $local));
}
/**
* Parse an INI formatted string and convert it into an object.
*
* @param string INI formatted string to convert.
* @param mixed An array of options used by the formatter, or a boolean setting to process sections.
*
* @return object Data object.
* @since 1.5
*/
public function stringToObject($data, $options = array())
{
// Initialise options.
if (is_array($options)) {
$sections = (isset($options['processSections'])) ? $options['processSections'] : false;
} else {
// Backward compatibility for 1.5 usage.
$sections = (boolean)$options;
}
// Check the memory cache for already processed strings.
$hash = md5($data . ':' . (int)$sections);
if (isset(self::$cache[$hash])) {
return self::$cache[$hash];
}
// If no lines present just return the object.
if (empty($data)) {
return new stdClass;
}
// Initialize variables.
$obj = new stdClass();
$section = false;
$lines = explode("\n", $data);
// Process the lines.
foreach ($lines as $line) {
// Trim any unnecessary whitespace.
$line = trim($line);
// Ignore empty lines and comments.
if (empty($line) || ($line{0} == ';')) {
continue;
}
if ($sections) {
$length = strlen($line);
// If we are processing sections and the line is a section add the object and continue.
if (($line[0] == '[') && ($line[$length - 1] == ']')) {
$section = substr($line, 1, $length - 2);
$obj->{$section} = new stdClass();
continue;
}
} else if ($line{0} == '[') {
continue;
}
// Check that an equal sign exists and is not the first character of the line.
if (!strpos($line, '=')) {
// Maybe throw exception?
continue;
}
// Get the key and value for the line.
list($key, $value) = explode('=', $line, 2);
// Validate the key.
if (preg_match('/[^A-Z0-9_]/i', $key)) {
// Maybe throw exception?
continue;
}
// If the value is quoted then we assume it is a string.
$length = strlen($value);
if ($length && ($value[0] == '"') && ($value[$length - 1] == '"')) {
// Strip the quotes and Convert the new line characters.
$value = stripcslashes(substr($value, 1, ($length - 2)));
$value = str_replace('\n', "\n", $value);
} else {
// If the value is not quoted, we assume it is not a string.
// If the value is 'false' assume boolean false.
if ($value == 'false') {
$value = false;
} // If the value is 'true' assume boolean true.
elseif ($value == 'true') {
$value = true;
} // If the value is numeric than it is either a float or int.
elseif (is_numeric($value)) {
// If there is a period then we assume a float.
if (strpos($value, '.') !== false) {
$value = (float)$value;
} else {
$value = (int)$value;
}
}
}
// If a section is set add the key/value to the section, otherwise top level.
if ($section) {
$obj->{$section}->{$key} = $value;
} else {
$obj->{$key} = $value;
}
}
// Cache the string to save cpu cycles -- thus the world :)
self::$cache[$hash] = clone($obj);
return $obj;
}
/**
* Method to get a value in an INI format.
*
* @param mixed The value to convert to INI format.
*
* @return string The value in INI format.
* @since 1.6
*/
protected function _getValueAsINI($value)
{
// Initialize variables.
$string = '';
switch (gettype($value)) {
case 'integer':
case 'double':
$string = $value;
break;
case 'boolean':
$string = $value ? 'true' : 'false';
break;
case 'string':
// Sanitize any CRLF characters..
$string = '"' . str_replace(array("\r\n", "\n"), '\\n', $value) . '"';
break;
}
return $string;
}
}