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<?php
/**
* PHP EPub Meta library
*
* @author Andreas Gohr <andi@splitbrain.org>
* @author Sébastien Lucas <sebastien@slucas.fr>
*/
namespace SebLucas\EPubMeta\Dom;
use DOMElement;
/**
* EPUB-specific subclass of DOMElement
*
* Source: https://github.com/splitbrain/php-epub-meta
* @author Andreas Gohr <andi@splitbrain.org> © 2012
* @author Simon Schrape <simon@epubli.com> © 2015–2018
* @author Sébastien Lucas <sebastien@slucas.fr>
*
* @property string $nodeValueUnescaped
*/
class Element extends DOMElement
{
/** @var array<string, string> */
public static $namespaces = [
'n' => 'urn:oasis:names:tc:opendocument:xmlns:container',
'opf' => 'http://www.idpf.org/2007/opf',
'dc' => 'http://purl.org/dc/elements/1.1/',
'ncx' => 'http://www.daisy.org/z3986/2005/ncx/',
];
/**
* Summary of __construct
* @param string $name
* @param string $value
* @param string $namespaceUri
*/
public function __construct($name, $value = '', $namespaceUri = '')
{
[$prefix, $name] = $this->splitQualifiedName($name);
$value = htmlspecialchars($value);
if (!$namespaceUri && $prefix) {
//$namespaceUri = XmlNamespace::getUri($prefix);
$namespaceUri = static::$namespaces[$prefix];
}
parent::__construct($name, $value, $namespaceUri);
}
/**
* Summary of __get
* @param string $name
* @return string|null
*/
public function __get($name)
{
switch ($name) {
case 'nodeValueUnescaped':
return htmlspecialchars_decode($this->nodeValue);
}
return null;
}
/**
* Summary of __set
* @param string $name
* @param mixed $value
* @return void
*/
public function __set($name, $value)
{
switch ($name) {
case 'nodeValueUnescaped':
$this->nodeValue = htmlspecialchars($value);
}
}
/**
* Create and append a new child
*
* Works with our epub namespaces and omits default namespaces
* @param string $name
* @param string $value
* @return Element|bool
*/
public function newChild($name, $value = '')
{
[$localName, $namespaceUri] = $this->getNameContext($name);
// this doesn't call the constructor: $node = $this->ownerDocument->createElement($name,$value);
$node = new Element($namespaceUri ? $name : $localName, $value, $namespaceUri);
/** @var Element $node */
$node = $this->appendChild($node);
return $node;
}
/**
* Simple EPUB namespace aware attribute getter
* @param string $name
* @return string
*/
public function getAttrib($name)
{
[$localName, $namespaceUri] = $this->getNameContext($name);
// return value if none was given
if ($namespaceUri) {
return $this->getAttributeNS($namespaceUri, $localName);
} else {
return $this->getAttribute($localName);
}
}
/**
* Simple EPUB namespace aware attribute setter
* @param string $name
* @param mixed $value
* @return void
*/
public function setAttrib($name, $value)
{
[$localName, $namespaceUri] = $this->getNameContext($name);
if ($namespaceUri) {
$this->setAttributeNS($namespaceUri, $localName, $value);
} else {
$this->setAttribute($localName, $value);
}
}
/**
* Simple EPUB namespace aware attribute remover
* @param string $name
* @return void
*/
public function removeAttrib($name)
{
[$localName, $namespaceUri] = $this->getNameContext($name);
if ($namespaceUri) {
$this->removeAttributeNS($namespaceUri, $localName);
} else {
$this->removeAttribute($localName);
}
}
/**
* Remove this node from the DOM
* @return void
*/
public function delete()
{
$this->parentNode->removeChild($this);
}
/**
* Split given name in namespace prefix and local part
*
* @param string $name
* @return array<string> (prefix, name)
*/
protected function splitQualifiedName($name)
{
$list = explode(':', $name, 2);
if (count($list) < 2) {
array_unshift($list, '');
}
return $list;
}
/**
* @param string $name
* @return array<string>
*/
protected function getNameContext($name)
{
[$prefix, $localName] = $this->splitQualifiedName($name);
$namespaceUri = '';
if ($prefix) {
//$namespaceUri = XmlNamespace::getUri($prefix);
$namespaceUri = static::$namespaces[$prefix];
if (
!$this->namespaceURI && $this->isDefaultNamespace($namespaceUri)
|| $this->namespaceURI == $namespaceUri
) {
$namespaceUri = '';
}
}
return [$localName, $namespaceUri];
}
}
|
