/**
* Class constructor
*
* @param array $options Specific options: array('file'=>file_path) or array(file_path)
*/
public function __construct($options = array())
{
if (isset($options[0])) {
$options['file'] = Fs::file($options[0]);
} elseif (isset($options['file']) && !$options['file'] instanceof Fs_Node) {
$options['file'] = Fs::file($options['file']);
}
parent::__construct($options);
}
/**
* Class constructor
*
* @param array $options
*/
public function __construct($options = array())
{
if (isset($options[0])) {
$options['template'] = Fs::file($options[0]);
} elseif (isset($options['file'])) {
$options['template'] = Fs::file($options['file']);
}
unset($options[0], $options['file']);
parent::__construct($options);
}
/**
* Class constructor
*
* @param string $path OPTIONAL
* @param array $options
*/
public function __construct($path, $options = array())
{
if (is_array($path)) {
$options = $path + $options;
$path = null;
if (isset($options['driver'])) {
if (isset($options[0])) {
if (!isset($options['path'])) {
$options['path'] = $options[0];
}
if (!isset($options['ext'])) {
$options['ext'] = $options['driver'];
}
unset($options[0]);
} else {
$options[0] = $options['driver'];
}
}
}
if (isset($options[0])) {
if (strpos($options[0], ':') !== false) {
list($options['ext'], $options['path']) = explode(':', $options[0], 2);
} else {
$key = !isset($options['ext']) && strpos($options[0], '.') === false && strpos($options[0], '/') === false ? 'ext' : 'path';
if (!isset($options[$key])) {
$options[$key] = $options[0];
}
}
}
$this->_path = isset($path) ? Fs::file($path) : (isset($options['path']) ? Fs::file($options['path']) : null);
$ext = isset($options['ext']) ? $options['ext'] : (isset($this->_path) ? $this->_path->extension() : null);
if (isset($options['transformer'])) {
$this->_transformer = $options['transformer'] instanceof Transformer ? $options['transformer'] : Transform::with($options['transformer']);
} elseif (!empty($ext)) {
$this->_transformer = Transform::from($ext);
}
$values = isset($this->_path) && isset($this->_transformer) ? $this->_transformer->process($this->_path) : array();
\ArrayObject::__construct(&$values, \ArrayObject::ARRAY_AS_PROPS);
}
}
/**
* Transform data and save the result into a file.
*
* @param string $filename File name
* @param mixed $data
* @param int $flags Fs::RECURSIVE and/or FILE_% flags as binary set.
*/
function save($filename, $data = null, $flags = 0)
{
$out = $this->process($data);
if (!is_scalar($out) && !(is_object($out) && method_exists($out, '__toString'))) {
throw new Exception("Unable to save data to '{$filename}': Transformation returned a non-scalar value of type '" . gettype($out) . "'.");
}
if (!Fs::file($filename)->putContents((string) $out, $flags)) {
throw new Exception("Failed to create file {$filename}.");
}
/**
* ArrayAccess; Returns the value at specified offset, loading the section if needed.
*
* @param string $key
* @return Config_File
*/
public function offsetGet($key)
{
if (parent::offsetExists($key)) {
return parent::offsetGet($key);
}
$dirname = "{$this->_path}/{$key}";
$filename = "{$dirname}.{$this->_ext}";
$options = array();
if ($this->_transformer) {
$options['transformer'] = $this->_transformer;
}
if (is_dir($dirname)) {
parent::offsetSet($key, new Config_Dir(Fs::dir($dirname), $options));
} elseif (file_exists($filename)) {
parent::offsetSet($key, new Config_File(Fs::file($filename), $options));
} else {
trigger_error("Configuration section '{$key}' doesn't exist for '{$this->_path}'", E_WARNING);
return null;
}
return parent::offsetGet($key);
}
