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Ini.php
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Ini.php
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<?php
/**
* Zend Framework
*
* LICENSE
*
* This source file is subject to the new BSD license that is bundled
* with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://framework.zend.com/license/new-bsd
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@zend.com so we can send you a copy immediately.
*
* @category Zend
* @package Zend_Config
* @subpackage Reader
* @copyright Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
namespace Zend\Config\Reader;
use Zend\Config\Reader,
Zend\Config\Exception;
/**
* XML config reader.
*
* @category Zend
* @package Zend_Config
* @subpackage Reader
* @copyright Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class Ini implements Reader
{
/**
* Separator for nesting levels of configuration data identifiers.
*
* @var string
*/
protected $nestSeparator = '.';
/**
* Directory of the file to process.
*
* @var string
*/
protected $directory;
/**
* Set nest separator.
*
* @param stirng $separator
* @return self
*/
public function setNestSeparator($separator)
{
$this->nestSeparator = $separator;
return $this;
}
/**
* Get nest separator.
*
* @return string
*/
public function getNestSeparator()
{
return $this->nestSeparator;
}
/**
* fromFile(): defined by Reader interface.
*
* @see Reader::fromFile()
* @param string $filename
* @return array
*/
public function fromFile($filename)
{
if (!file_exists($filename)) {
throw new Exception\RuntimeException("The file $filename doesn't exists.");
}
$this->directory = dirname($filename);
set_error_handler(
function($error, $message = '', $file = '', $line = 0) use ($filename) {
throw new Exception\RuntimeException(sprintf(
'Error reading INI file "%s": %s',
$filename, $message
), $error);
}, E_WARNING
);
$ini = parse_ini_file($filename, true);
restore_error_handler();
return $this->process($ini);
}
/**
* fromString(): defined by Reader interface.
*
* @see Reader::fromString()
* @param string $string
* @return array
*/
public function fromString($string)
{
if (empty($string)) {
return array();
}
$this->directory = null;
set_error_handler(
function($error, $message = '', $file = '', $line = 0) {
throw new Exception\RuntimeException(sprintf(
'Error reading INI string: %s',
$message
), $error);
}, E_WARNING
);
$ini = parse_ini_string($string, true);
restore_error_handler();
return $this->process($ini);
}
/**
* Process data from the parsed ini file.
*
* @param array $data
* @return array
*/
protected function process(array $data)
{
$config = array();
foreach ($data as $section => $value) {
if (is_array($value)) {
$config[$section] = $this->processSection($value);
} else {
$this->processKey($section, $value, $config);
}
}
return $config;
}
/**
* Process a section.
*
* @param array $section
* @return array
*/
protected function processSection(array $section)
{
$config = array();
foreach ($section as $key => $value) {
$this->processKey($key, $value, $config);
}
return $config;
}
/**
* Process a key.
*
* @param string $key
* @param string $value
* @param array $config
* @return array
*/
protected function processKey($key, $value, array &$config)
{
if (strpos($key, $this->nestSeparator) !== false) {
$pieces = explode($this->nestSeparator, $key, 2);
if (!strlen($pieces[0]) || !strlen($pieces[1])) {
throw new Exception\RuntimeException(sprintf('Invalid key "%s"', $key));
} elseif (!isset($config[$pieces[0]])) {
if ($pieces[0] === '0' && !empty($config)) {
$config = array($pieces[0] => $config);
} else {
$config[$pieces[0]] = array();
}
} elseif (!is_array($config[$pieces[0]])) {
throw new Exception\RuntimeException(sprintf('Cannot create sub-key for "%s", as key already exists', $pieces[0]));
}
$this->processKey($pieces[1], $value, $config[$pieces[0]]);
} else {
if ($key === '@include') {
if ($this->directory === null) {
throw new Exception\RuntimeException('Cannot process @include statement for a string config');
}
$reader = clone $this;
$include = $reader->fromFile($this->directory . '/' . $value);
$config = array_replace_recursive($config, $include);
} else {
$config[$key] = $value;
}
}
}
}