/src/Zend/Media/Id3/Frame/Wxxx.php
http://php-reader.googlecode.com/ · PHP · 180 lines · 74 code · 12 blank · 94 comment · 4 complexity · 1e97ce2fc567af89e9463f5d581bd7cb MD5 · raw file
- <?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_Media
- * @subpackage ID3
- * @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: Wxxx.php 177 2010-03-09 13:13:34Z svollbehr $
- */
- /**#@+ @ignore */
- require_once 'Zend/Media/Id3/LinkFrame.php';
- require_once 'Zend/Media/Id3/Encoding.php';
- /**#@-*/
- /**
- * This frame is intended for URL links concerning the audio file in a similar
- * way to the other 'W'-frames. The frame body consists of a description of the
- * string followed by the actual URL. The URL is always encoded with ISO-8859-1.
- * There may be more than one 'WXXX' frame in each tag, but only one with the
- * same description.
- *
- * @category Zend
- * @package Zend_Media
- * @subpackage ID3
- * @author Sven Vollbehr <sven@vollbehr.eu>
- * @author Ryan Butterfield <buttza@gmail.com>
- * @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: Wxxx.php 177 2010-03-09 13:13:34Z svollbehr $
- */
- final class Zend_Media_Id3_Frame_Wxxx extends Zend_Media_Id3_LinkFrame
- implements Zend_Media_Id3_Encoding
- {
- /** @var integer */
- private $_encoding;
- /** @var string */
- private $_description;
- /**
- * Constructs the class with given parameters and parses object related
- * data.
- *
- * @param Zend_Io_Reader $reader The reader object.
- * @param Array $options The options array.
- */
- public function __construct($reader = null, &$options = array())
- {
- Zend_Media_Id3_Frame::__construct($reader, $options);
- $this->setEncoding
- ($this->getOption('encoding', Zend_Media_Id3_Encoding::UTF8));
- if ($this->_reader === null) {
- return;
- }
- $encoding = $this->_reader->readUInt8();
- switch ($encoding) {
- case self::UTF16:
- // break intentionally omitted
- case self::UTF16BE:
- list($this->_description, $this->_link) =
- $this->_explodeString16
- ($this->_reader->read($this->_reader->getSize()), 2);
- break;
- case self::UTF8:
- // break intentionally omitted
- default:
- list($this->_description, $this->_link) =
- $this->_explodeString8
- ($this->_reader->read($this->_reader->getSize()), 2);
- break;
- }
- $this->_description =
- $this->_convertString($this->_description, $encoding);
- $this->_link = implode($this->_explodeString8($this->_link, 1), '');
- }
- /**
- * Returns the text encoding.
- *
- * All the strings read from a file are automatically converted to the
- * character encoding specified with the <var>encoding</var> option. See
- * {@link Zend_Media_Id3v2} for details. This method returns that character
- * encoding, or any value set after read, translated into a string form
- * regarless if it was set using a {@link Zend_Media_Id3_Encoding} constant
- * or a string.
- *
- * @return integer
- */
- public function getEncoding()
- {
- return $this->_translateIntToEncoding($this->_encoding);
- }
- /**
- * Sets the text encoding.
- *
- * All the string written to the frame are done so using given character
- * encoding. No conversions of existing data take place upon the call to
- * this method thus all texts must be given in given character encoding.
- *
- * The character encoding parameter takes either a
- * {@link Zend_Media_Id3_Encoding} constant or a character set name string
- * in the form accepted by iconv. The default character encoding used to
- * write the frame is 'utf-8'.
- *
- * @see Zend_Media_Id3_Encoding
- * @param integer $encoding The text encoding.
- */
- public function setEncoding($encoding)
- {
- $this->_encoding = $this->_translateEncodingToInt($encoding);
- }
- /**
- * Returns the link description.
- *
- * @return string
- */
- public function getDescription()
- {
- return $this->_description;
- }
- /**
- * Sets the content description text using given encoding.
- *
- * @param string $description The content description text.
- * @param integer $encoding The text encoding.
- */
- public function setDescription($description, $encoding = null)
- {
- $this->_description = $description;
- if ($encoding !== null) {
- $this->setEncoding($encoding);
- }
- }
- /**
- * Writes the frame raw data without the header.
- *
- * @param Zend_Io_Writer $writer The writer object.
- * @return void
- */
- protected function _writeData($writer)
- {
- $writer->writeUInt8($this->_encoding);
- switch ($this->_encoding) {
- case self::UTF16LE:
- $writer->writeString16
- ($this->_description,
- Zend_Io_Writer::LITTLE_ENDIAN_ORDER, 1);
- break;
- case self::UTF16:
- // break intentionally omitted
- case self::UTF16BE:
- $writer->writeString16($this->_description, null, 1);
- break;
- default:
- $writer->writeString8($this->_description, 1);
- break;
- }
- $writer->write($this->_link);
- }
- }