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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_Filter
* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: Rename.php 16971 2009-07-22 18:05:45Z mikaelkael $
*/
/**
* @see Zend_Filter_Interface
*/
require_once 'Zend/Filter/Interface.php';
/**
* @category Zend
* @package Zend_Filter
* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class Zend_Filter_File_Rename implements Zend_Filter_Interface
{
/**
* Internal array of array(source, target, overwrite)
*/
protected $_files = array();
/**
* Class constructor
*
* Options argument may be either a string, a Zend_Config object, or an array.
* If an array or Zend_Config object, it accepts the following keys:
* 'source' => Source filename or directory which will be renamed
* 'target' => Target filename or directory, the new name of the sourcefile
* 'overwrite' => Shall existing files be overwritten ?
*
* @param string|array $options Target file or directory to be renamed
* @param string $target Source filename or directory (deprecated)
* @param bool $overwrite Should existing files be overwritten (deprecated)
* @return void
*/
public function __construct($options)
{
if ($options instanceof Zend_Config) {
$options = $options->toArray();
} elseif (is_string($options)) {
$options = array('target' => $options);
} elseif (!is_array($options)) {
require_once 'Zend/Filter/Exception.php';
throw new Zend_Filter_Exception('Invalid options argument provided to filter');
}
if (1 < func_num_args()) {
trigger_error('Support for multiple arguments is deprecated in favor of a single options array', E_USER_NOTICE);
$argv = func_get_args();
array_shift($argv);
$source = array_shift($argv);
$overwrite = false;
if (!empty($argv)) {
$overwrite = array_shift($argv);
}
$options['source'] = $source;
$options['overwrite'] = $overwrite;
}
$this->setFile($options);
}
/**
* Returns the files to rename and their new name and location
*
* @return array
*/
public function getFile()
{
return $this->_files;
}
/**
* Sets a new file or directory as target, deleting existing ones
*
* Array accepts the following keys:
* 'source' => Source filename or directory which will be renamed
* 'target' => Target filename or directory, the new name of the sourcefile
* 'overwrite' => Shall existing files be overwritten ?
*
* @param string|array $options Old file or directory to be rewritten
* @return Zend_Filter_File_Rename
*/
public function setFile($options)
{
$this->_files = array();
$this->addFile($options);
return $this;
}
/**
* Adds a new file or directory as target to the existing ones
*
* Array accepts the following keys:
* 'source' => Source filename or directory which will be renamed
* 'target' => Target filename or directory, the new name of the sourcefile
* 'overwrite' => Shall existing files be overwritten ?
*
* @param string|array $options Old file or directory to be rewritten
* @return Zend_Filter_File_Rename
*/
public function addFile($options)
{
if (is_string($options)) {
$options = array('target' => $options);
} elseif (!is_array($options)) {
require_once 'Zend/Filter/Exception.php';
throw new Zend_Filter_Exception ('Invalid options to rename filter provided');
}
$this->_convertOptions($options);
return $this;
}
/**
* Returns only the new filename without moving it
* But existing files will be erased when the overwrite option is true
*
* @param string $value Full path of file to change
* @param boolean $source Return internal informations
* @return string The new filename which has been set
*/
public function getNewName($value, $source = false)
{
$file = $this->_getFileName($value);
if ($file['source'] == $file['target']) {
return $value;
}
if (!file_exists($file['source'])) {
return $value;
}
if (($file['overwrite'] == true) && (file_exists($file['target']))) {
unlink($file['target']);
}
if (file_exists($file['target'])) {
require_once 'Zend/Filter/Exception.php';
throw new Zend_Filter_Exception(sprintf("File '%s' could not be renamed. It already exists.", $value));
}
if ($source) {
return $file;
}
return $file['target'];
}
/**
* Defined by Zend_Filter_Interface
*
* Renames the file $value to the new name set before
* Returns the file $value, removing all but digit characters
*
* @param string $value Full path of file to change
* @throws Zend_Filter_Exception
* @return string The new filename which has been set, or false when there were errors
*/
public function filter($value)
{
$file = $this->getNewName($value, true);
if (is_string($file)) {
return $file;
}
$result = rename($file['source'], $file['target']);
if ($result === true) {
return $file['target'];
}
require_once 'Zend/Filter/Exception.php';
throw new Zend_Filter_Exception(sprintf("File '%s' could not be renamed. An error occured while processing the file.", $value));
}
/**
* Internal method for creating the file array
* Supports single and nested arrays
*
* @param array $options
* @return array
*/
protected function _convertOptions($options) {
$files = array();
foreach ($options as $key => $value) {
if (is_array($value)) {
$this->_convertOptions($value);
continue;
}
switch ($key) {
case "source":
$files['source'] = (string) $value;
break;
case 'target' :
$files['target'] = (string) $value;
break;
case 'overwrite' :
$files['overwrite'] = (boolean) $value;
break;
default:
break;
}
}
if (empty($files)) {
return $this;
}
if (empty($files['source'])) {
$files['source'] = '*';
}
if (empty($files['target'])) {
$files['target'] = '*';
}
if (empty($files['overwrite'])) {
$files['overwrite'] = false;
}
$found = false;
foreach ($this->_files as $key => $value) {
if ($value['source'] == $files['source']) {
$this->_files[$key] = $files;
$found = true;
}
}
if (!$found) {
$count = count($this->_files);
$this->_files[$count] = $files;
}
return $this;
}
/**
* Internal method to resolve the requested source
* and return all other related parameters
*
* @param string $file Filename to get the informations for
* @return array
*/
protected function _getFileName($file)
{
$rename = array();
foreach ($this->_files as $value) {
if ($value['source'] == '*') {
if (!isset($rename['source'])) {
$rename = $value;
$rename['source'] = $file;
}
}
if ($value['source'] == $file) {
$rename = $value;
}
}
if (!isset($rename['source'])) {
return $file;
}
if (!isset($rename['target']) or ($rename['target'] == '*')) {
$rename['target'] = $rename['source'];
}
if (is_dir($rename['target'])) {
$name = basename($rename['source']);
$last = $rename['target'][strlen($rename['target']) - 1];
if (($last != '/') and ($last != '\\')) {
$rename['target'] .= DIRECTORY_SEPARATOR;
}
$rename['target'] .= $name;
}
return $rename;
}
}
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