XmlElement::__construct() - Code Metrics - Inspection of "first try of xml parser testing" - kadet1090/nucleus - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 5eff09...92586b )

by Kacper

created 2016-08-14 22:51 UTC

XmlElement::__construct() A

↳ Parent: XmlElement

Complexity

Conditions	2
Paths	2

Size

Total Lines	8
Code Lines	5

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	6
CRAP Score	2

Importance

Changes

Metric	Value
cc	2
eloc	5
nc	2
nop	4
dl	0
loc	8
ccs	6
cts	6
cp	1
crap	2
rs	9.4285
c	0
b	0
f	0

<?php
/**
 * Nucleus - XMPP Library for PHP
 *
 * Copyright (C) 2016, Some rights reserved.
 *
 * @author Kacper "Kadet" Donat <[email protected]>
 *
 * Contact with author:
 * Xmpp: [email protected]
 * E-mail: [email protected]
 *
 * From Kadet with love.
 */

namespace Kadet\Xmpp\Xml;

use Interop\Container\ContainerInterface;
use Kadet\Xmpp\Exception\InvalidArgumentException;
use Kadet\Xmpp\Utils\Accessors;
use Kadet\Xmpp\Utils\filter;
use Kadet\Xmpp\Utils\helper;

/**
 * Class XmlElement
 * @package Kadet\Xmpp\Xml
 *
 * @property string          $localName  Tag name without prefix
 * @property string          $namespace  XML Namespace URI
 * @property string          $prefix     Tag prefix
 * @property string          $name       Full tag name prefix:local-name
 *
 * @property XmlElement|null $parent     Element's parent or null if root node.
 * @property XmlElement[]    $children   All element's child nodes
 *
 * @property array           $attributes Element's attributes, without xmlns definitions
 * @property array           $namespaces Element's namespaces
 *
 * @property string          $innerXml   Inner XML content
 */
class XmlElement implements ContainerInterface
{
    use Accessors;

    /**
     * Settings for tiding up XML output
     *
     * @var array
     */
    public static $tidy = [
        'indent'           => true,
        'input-xml'        => true,
        'output-xml'       => true,
        'drop-empty-paras' => false,
        'wrap'             => 0
    ];

    /** @var string */
    private $_localName;
    /** @var null|string|false */
    private $_prefix = null;

    /** @var array */
    private $_namespaces = [];
    /** @var array */
    private $_attributes = [];

    /**
     * @var XmlElement
     */
    private $_parent;

    /**
     * @var XmlElement[]
     */
    private $_children = [];

    /**
     * Initializes element with given name and URI
     *
     * @param string $name Element name, including prefix if needed
     * @param string $uri  Namespace URI of element
     */
    protected function init(string $name, string $uri = null)
    {
        list($name, $prefix) = self::resolve($name);

        $this->_localName = $name;
        $this->_prefix    = $prefix;

        if ($uri !== null) {
            $this->namespace = $uri;
        }
    }

    /**
     * XmlElement constructor
     *
     * @param string $name    Element name, including prefix if needed
     * @param string $uri     Namespace URI of element
     * @param mixed  $content Content of element
     * @param array  $attributes
     */
    public function __construct(string $name, string $uri = null, $content = null, array $attributes = [])
    {
        $this->init($name, $uri);
        $this->append($content);
        foreach($attributes as $name => $value) {
            $this->setAttribute($name, $value);
        }
    }

    /**
     * Elements named constructor, same for every subclass.
     * It's used for factory creation.
     *
     * @param string $name Element name, including prefix if needed
     * @param string $uri  Namespace URI of element
     *
     * @return static
     */
    public static function plain(string $name, string $uri = null)
    {
        /** @var XmlElement $element */
        $element = (new \ReflectionClass(static::class))->newInstanceWithoutConstructor();
        $element->init($name, $uri);

        return $element;
    }

    /**
     * @see $innerXml
     * @return string
     */
    public function getInnerXml()
    {
        return implode('', array_map(function ($element) {
            if (is_string($element)) {
                return htmlspecialchars($element);
            } elseif ($element instanceof XmlElement) {
                return $element->xml(false);
            }

            return (string)$element;
        }, $this->_children));
    }

    /**
     * Returns XML representation of element
     *
     * @param bool $clean Result will be cleaned if set to true
     *
     * @return string
     */
    public function xml(bool $clean = true): string
    {
        if ($this->namespace && $this->_prefix === null) {
            $this->_prefix = $this->lookupPrefix($this->namespace);
        }

        $attributes = $this->attributes();

        $result = "<{$this->name}";
        $result .= ' ' . implode(' ', array_map(function ($key, $value) {
            return $key . '="' . htmlspecialchars($value, ENT_QUOTES) . '"';
        }, array_keys($attributes), array_values($attributes)));

        if (!empty($this->_children)) {
            $result .= ">{$this->innerXml}</{$this->name}>";
        } else {
            $result .= "/>";
        }

        return $clean && function_exists('tidy_repair_string') ? tidy_repair_string($result, self::$tidy) : $result;
    }

    /**
     * Looks up prefix associated with given URI
     *
     * @param string|null $uri
     * @return string|false
     */
    public function lookupPrefix(string $uri = null)
    {
        return $this->getNamespaces()[ $uri ] ?? false;
    }

    /**
     * Looks up URI associated with given prefix
     *
     * @param string|null $prefix
     * @return string|false
     */
    public function lookupUri(string $prefix = null)
    {
        return array_search($prefix, $this->getNamespaces()) ?: false;
    }

    /**
     * Returns element's namespaces
     *
     * @param bool $parent Include namespaces from parent?
     * @return array
     */
    public function getNamespaces($parent = true): array
    {
        if (!$this->_parent) {
            return $this->_namespaces;
        }

        if ($parent) {
            return array_merge($this->_namespaces, $this->_parent->getNamespaces());
        } else {
            return array_diff_assoc($this->_namespaces, $this->_parent->getNamespaces());
        }
    }

    /**
     * Sets XML attribute of element
     *
     * @param string      $attribute Attribute name, optionally with prefix
     * @param mixed       $value     Attribute value
     * @param string|null $uri       XML Namespace URI of attribute, prefix will be automatically looked up
     */
    public function setAttribute(string $attribute, $value, string $uri = null)
    {
        $attribute = $this->_prefix($attribute, $uri);
        if ($value === null) {
            unset($this->_attributes[ $attribute ]);

            return;
        }

        $this->_attributes[ $attribute ] = $value;
    }

    /**
     * Returns value of specified attribute.
     *
     * @param string      $attribute Attribute name, optionally with prefix
     * @param string|null $uri       XML Namespace URI of attribute, prefix will be automatically looked up
     * @return bool|mixed
     */
    public function getAttribute(string $attribute, string $uri = null)
    {
        return $this->_attributes[ $this->_prefix($attribute, $uri) ] ?? false;
    }

    /**
     * Checks if attribute exists
     *
     * @param string      $attribute Attribute name, optionally with prefix
     * @param string|null $uri       XML Namespace URI of attribute, prefix will be automatically looked up
     *
     * @return bool
     */
    public function hasAttribute(string $attribute, string $uri = null)
    {
        return isset($this->_attributes[ $this->_prefix($attribute, $uri) ]);
    }

    /**
     * Returns element's parent
     * @return XmlElement|null
     */
    public function getParent()
    {
        return $this->_parent;
    }

    /**
     * Sets element's parent
     * @param XmlElement $parent
     */
    protected function setParent(XmlElement $parent)
    {
        if (!$this->_prefix && ($prefix = $parent->lookupPrefix($this->namespace)) !== false) {
            $this->_namespaces[ $this->namespace ] = $prefix;
            $this->_prefix                         = $prefix;
        }

        $this->_parent = $parent;
        if ($this->namespace === false) {
            $this->namespace = $parent->namespace;
        }
    }

    /**
     * Appends child to element
     *
     * @param XmlElement|string $element
     *
     * @return XmlElement|string Same as $element
     */
    public function append($element)
    {
        if (empty($element)) {
            return false;
        }

        if(is_array($element)) {
            array_walk($element, [$this, 'append']);
            return $element;
        }

        if (!is_string($element) && !$element instanceof XmlElement) {
            throw new InvalidArgumentException(helper\format(
                '$element should be either string or object of {class} class. or array of given types, {type} given', [
                    'class' => XmlElement::class,
                    'type'  => helper\typeof($element)
                ]
            ));
        }

        if ($element instanceof XmlElement) {
            $element->parent = $this;
        }

        return $this->_children[] = $element;
    }

    /**
     * Returns namespace URI associated with element
     *
     * @return false|string
     */
    public function getNamespace()
    {
        return $this->lookupUri($this->prefix);
    }

    /**
     * Adds namespace to element, and associates it with prefix.
     *
     * @param string           $uri    Namespace URI
     * @param string|bool|null $prefix Prefix which will be used for namespace, false for using element's prefix
     *                                 and null for no prefix
     */
    public function setNamespace(string $uri, $prefix = false)
    {
        if ($prefix === false) {
            $prefix = $this->_prefix;
        }

        $this->_namespaces[ $uri ] = $prefix;
    }

    public function getName()
    {
        return ($this->_prefix ? $this->prefix . ':' : null) . $this->localName;
    }

    public function getChildren()
    {
        return $this->_children;
    }

    public function getPrefix()
    {
        return $this->_prefix;
    }

    public function getLocalName()
    {
        return $this->_localName;
    }

    public function getAttributes()
    {
        return $this->_attributes;
    }

    /**
     * Returns one element at specified index (for default the first one).
     *
     * @param string $name  Requested element tag name
     * @param string $uri   Requested element namespace
     * @param int    $index Index of element to retrieve
     *
     * @return XmlElement|false Retrieved element
     */
    public function element(string $name, string $uri = null, int $index = 0)
    {
        return array_values($this->elements($name, $uri))[ $index ] ?? false;
    }

    /**
     * Retrieves array of matching elements
     *
     * @param string      $name Requested element tag name
     * @param string|null $uri  Requested element namespace
     *
     * @return XmlElement[] Found Elements
     */
    public function elements($name, $uri = null) : array
    {
        $predicate = filter\tag($name);
        if ($uri !== null) {
            $predicate = filter\all($predicate, filter\xmlns($uri));
        }

        return $this->all($predicate);
    }

    /**
     * Filters element with given predicate
     *
     * @param callable|string $predicate Predicate or class name
     *
     * @return XmlElement[]
     */
    public function all($predicate)
    {
        return array_values(array_filter($this->_children, filter\predicate($predicate)));
    }

    /**
     * Iterates over matching elements
     *
     * @param callable|string $predicate Predicate or class name
     *
     * @return XmlElement|false
     */
    public function get($predicate)
    {
        $predicate = filter\predicate($predicate);
        foreach ($this->_children as $index => $child) {
            if ($predicate($child)) {
                return $child;
            }
        }

        return false;
    }

    public function has($predicate)
    {
        return $this->get($predicate) !== false;
    }

    /**
     * @param string|null $query
     * @return XPathQuery
     */
    public function query(string $query = null)
    {
        return new XPathQuery($query, $this);
    }

    /**
     * Helper for retrieving all arguments (including namespaces)
     *
     * @return array
     */
    private function attributes(): array
    {
        $namespaces = $this->getNamespaces(false);
        $namespaces = array_map(function ($prefix, $uri) {
            return [$prefix ? "xmlns:{$prefix}" : 'xmlns', $uri];
        }, array_values($namespaces), array_keys($namespaces));

        return array_merge(
            $this->_attributes,
            array_combine(array_column($namespaces, 0), array_column($namespaces, 1))
        );
    }

    /**
     * Prefixes $name with attribute associated with $uri
     *
     * @param string $name Name to prefix
     * @param string $uri  Namespace URI
     *
     * @return string
     */
    protected function _prefix(string $name, string $uri = null): string
    {
        if ($uri === null) {
            return $name;
        }

        if (($prefix = $this->lookupPrefix($uri)) === false) {
            throw new InvalidArgumentException(helper\format('URI "{uri}" is not a registered namespace', ['uri' => $uri]));
        }

        return "{$prefix}:{$name}";
    }

    public function __toString()
    {
        return trim($this->xml(true));
    }

    /**
     * Splits name into local-name and prefix
     *
     * @param $name
     * @return array [$name, $prefix]
     */
    public static function resolve($name)
    {
        $prefix = null;
        if (($pos = strpos($name, ':')) !== false) {
            $prefix = substr($name, 0, $pos);
            $name   = substr($name, $pos + 1);
        }

        return [$name, $prefix];
    }
}


1		<?php
2		/**
3		* Nucleus - XMPP Library for PHP
4		*
5		* Copyright (C) 2016, Some rights reserved.
6		*
7		* @author Kacper "Kadet" Donat <[email protected]>
8		*
9		* Contact with author:
10		* Xmpp: [email protected]
11		* E-mail: [email protected]
12		*
13		* From Kadet with love.
14		*/
15
16		namespace Kadet\Xmpp\Xml;
17
18		use Interop\Container\ContainerInterface;
19		use Kadet\Xmpp\Exception\InvalidArgumentException;
20		use Kadet\Xmpp\Utils\Accessors;
21		use Kadet\Xmpp\Utils\filter;
22		use Kadet\Xmpp\Utils\helper;
23
24		/**
25		* Class XmlElement
26		* @package Kadet\Xmpp\Xml
27		*
28		* @property string $localName Tag name without prefix
29		* @property string $namespace XML Namespace URI
30		* @property string $prefix Tag prefix
31		* @property string $name Full tag name prefix:local-name
32		*
33		* @property XmlElement\|null $parent Element's parent or null if root node.
34		* @property XmlElement[] $children All element's child nodes
35		*
36		* @property array $attributes Element's attributes, without xmlns definitions
37		* @property array $namespaces Element's namespaces
38		*
39		* @property string $innerXml Inner XML content
40		*/
41		class XmlElement implements ContainerInterface
42		{
43		use Accessors;
44
45		/**
46		* Settings for tiding up XML output
47		*
48		* @var array
49		*/
50		public static $tidy = [
51		'indent' => true,
52		'input-xml' => true,
53		'output-xml' => true,
54		'drop-empty-paras' => false,
55		'wrap' => 0
56		];
57
58		/** @var string */
59		private $_localName;
60		/** @var null\|string\|false */
61		private $_prefix = null;
62
63		/** @var array */
64		private $_namespaces = [];
65		/** @var array */
66		private $_attributes = [];
67
68		/**
69		* @var XmlElement
70		*/
71		private $_parent;
72
73		/**
74		* @var XmlElement[]
75		*/
76		private $_children = [];
77
78		/**
79		* Initializes element with given name and URI
80		*
81		* @param string $name Element name, including prefix if needed
82		* @param string $uri Namespace URI of element
83		*/
84	23	protected function init(string $name, string $uri = null)
85		{
86	23	list($name, $prefix) = self::resolve($name);
87
88	23	$this->_localName = $name;
89	23	$this->_prefix = $prefix;
90
91	23	if ($uri !== null) {
92	11	$this->namespace = $uri;
93		}
94	23	}
95
96		/**
97		* XmlElement constructor
98		*
99		* @param string $name Element name, including prefix if needed
100		* @param string $uri Namespace URI of element
101		* @param mixed $content Content of element
102		* @param array $attributes
103		*/
104	19	public function __construct(string $name, string $uri = null, $content = null, array $attributes = [])
105		{
106	19	$this->init($name, $uri);
107	19	$this->append($content);
108	19	foreach($attributes as $name => $value) {
109	1	$this->setAttribute($name, $value);
110		}
111	19	}
112
113		/**
114		* Elements named constructor, same for every subclass.
115		* It's used for factory creation.
116		*
117		* @param string $name Element name, including prefix if needed
118		* @param string $uri Namespace URI of element
119		*
120		* @return static
121		*/
122	4	public static function plain(string $name, string $uri = null)
123		{
124		/** @var XmlElement $element */
125	4	$element = (new \ReflectionClass(static::class))->newInstanceWithoutConstructor();
126	4	$element->init($name, $uri);
127
128	4	return $element;
129		}
130
131		/**
132		* @see $innerXml
133		* @return string
134		*/
135	3	public function getInnerXml()
136		{
137		return implode('', array_map(function ($element) {
138	3	if (is_string($element)) {
139	2	return htmlspecialchars($element);
140		} elseif ($element instanceof XmlElement) {
141	1	return $element->xml(false);
142		}
143
144		return (string)$element;
145	3	}, $this->_children));
146		}
147
148		/**
149		* Returns XML representation of element
150		*
151		* @param bool $clean Result will be cleaned if set to true
152		*
153		* @return string
154		*/
155	3	public function xml(bool $clean = true): string
156		{
157	3	if ($this->namespace && $this->_prefix === null) {
158	1	$this->_prefix = $this->lookupPrefix($this->namespace);
159		}
160
161	3	$attributes = $this->attributes();
162
163	3	$result = "<{$this->name}";
164		$result .= ' ' . implode(' ', array_map(function ($key, $value) {
165	1	return $key . '="' . htmlspecialchars($value, ENT_QUOTES) . '"';
166	3	}, array_keys($attributes), array_values($attributes)));
167
168	3	if (!empty($this->_children)) {
169	1	$result .= ">{$this->innerXml}</{$this->name}>";
170		} else {
171	3	$result .= "/>";
172		}
173
174	3	return $clean && function_exists('tidy_repair_string') ? tidy_repair_string($result, self::$tidy) : $result;
175		}
176
177		/**
178		* Looks up prefix associated with given URI
179		*
180		* @param string\|null $uri
181		* @return string\|false
182		*/
183	12	public function lookupPrefix(string $uri = null)
184		{
185	12	return $this->getNamespaces()[ $uri ] ?? false;
186		}
187
188		/**
189		* Looks up URI associated with given prefix
190		*
191		* @param string\|null $prefix
192		* @return string\|false
193		*/
194	18	public function lookupUri(string $prefix = null)
195		{
196	18	return array_search($prefix, $this->getNamespaces()) ?: false;
197		}
198
199		/**
200		* Returns element's namespaces
201		*
202		* @param bool $parent Include namespaces from parent?
203		* @return array
204		*/
205	20	public function getNamespaces($parent = true): array
206		{
207	20	if (!$this->_parent) {
208	20	return $this->_namespaces;
209		}
210
211	11	if ($parent) {
212	11	return array_merge($this->_namespaces, $this->_parent->getNamespaces());
213		} else {
214	1	return array_diff_assoc($this->_namespaces, $this->_parent->getNamespaces());
215		}
216		}
217
218		/**
219		* Sets XML attribute of element
220		*
221		* @param string $attribute Attribute name, optionally with prefix
222		* @param mixed $value Attribute value
223		* @param string\|null $uri XML Namespace URI of attribute, prefix will be automatically looked up
224		*/
225	5	public function setAttribute(string $attribute, $value, string $uri = null)
226		{
227	5	$attribute = $this->_prefix($attribute, $uri);
228	4	if ($value === null) {
229	1	unset($this->_attributes[ $attribute ]);
230
231	1	return;
232		}
233
234	4	$this->_attributes[ $attribute ] = $value;
235	4	}
236
237		/**
238		* Returns value of specified attribute.
239		*
240		* @param string $attribute Attribute name, optionally with prefix
241		* @param string\|null $uri XML Namespace URI of attribute, prefix will be automatically looked up
242		* @return bool\|mixed
243		*/
244	3	public function getAttribute(string $attribute, string $uri = null)
245		{
246	3	return $this->_attributes[ $this->_prefix($attribute, $uri) ] ?? false;
247		}
248
249		/**
250		* Checks if attribute exists
251		*
252		* @param string $attribute Attribute name, optionally with prefix
253		* @param string\|null $uri XML Namespace URI of attribute, prefix will be automatically looked up
254		*
255		* @return bool
256		*/
257	3	public function hasAttribute(string $attribute, string $uri = null)
258		{
259	3	return isset($this->_attributes[ $this->_prefix($attribute, $uri) ]);
260		}
261
262		/**
263		* Returns element's parent
264		* @return XmlElement\|null
265		*/
266	2	public function getParent()
267		{
268	2	return $this->_parent;
269		}
270
271		/**
272		* Sets element's parent
273		* @param XmlElement $parent
274		*/
275	11	protected function setParent(XmlElement $parent)
276		{
277	11	if (!$this->_prefix && ($prefix = $parent->lookupPrefix($this->namespace)) !== false) {
278	1	$this->_namespaces[ $this->namespace ] = $prefix;
279	1	$this->_prefix = $prefix;
280		}
281
282	11	$this->_parent = $parent;
283	11	if ($this->namespace === false) {
284	6	$this->namespace = $parent->namespace;
285		}
286	11	}
287
288		/**
289		* Appends child to element
290		*
291		* @param XmlElement\|string $element
292		*
293		* @return XmlElement\|string Same as $element
294		*/
295	19	public function append($element)
296		{
297	19	if (empty($element)) {
298	18	return false;
299		}
300
301	14	if(is_array($element)) {
302	1	array_walk($element, [$this, 'append']);
303	1	return $element;
304		}
305
306	14	if (!is_string($element) && !$element instanceof XmlElement) {
307	1	throw new InvalidArgumentException(helper\format(
308	1	'$element should be either string or object of {class} class. or array of given types, {type} given', [
309	1	'class' => XmlElement::class,
310	1	'type' => helper\typeof($element)
311		]
312		));
313		}
314
315	13	if ($element instanceof XmlElement) {
316	11	$element->parent = $this;
317		}
318
319	13	return $this->_children[] = $element;
320		}
321
322		/**
323		* Returns namespace URI associated with element
324		*
325		* @return false\|string
326		*/
327	18	public function getNamespace()
328		{
329	18	return $this->lookupUri($this->prefix);
330		}
331
332		/**
333		* Adds namespace to element, and associates it with prefix.
334		*
335		* @param string $uri Namespace URI
336		* @param string\|bool\|null $prefix Prefix which will be used for namespace, false for using element's prefix
337		* and null for no prefix
338		*/
339	16	public function setNamespace(string $uri, $prefix = false)
340		{
341	16	if ($prefix === false) {
342	14	$prefix = $this->_prefix;
343		}
344
345	16	$this->_namespaces[ $uri ] = $prefix;
346	16	}
347
348	7	public function getName()
349		{
350	7	return ($this->_prefix ? $this->prefix . ':' : null) . $this->localName;
351		}
352
353	7	public function getChildren()
354		{
355	7	return $this->_children;
356		}
357
358	18	public function getPrefix()
359		{
360	18	return $this->_prefix;
361		}
362
363	12	public function getLocalName()
364		{
365	12	return $this->_localName;
366		}
367
368	7	public function getAttributes()
369		{
370	7	return $this->_attributes;
371		}
372
373		/**
374		* Returns one element at specified index (for default the first one).
375		*
376		* @param string $name Requested element tag name
377		* @param string $uri Requested element namespace
378		* @param int $index Index of element to retrieve
379		*
380		* @return XmlElement\|false Retrieved element
381		*/
382	1	public function element(string $name, string $uri = null, int $index = 0)
383		{
384	1	return array_values($this->elements($name, $uri))[ $index ] ?? false;
385		}
386
387		/**
388		* Retrieves array of matching elements
389		*
390		* @param string $name Requested element tag name
391		* @param string\|null $uri Requested element namespace
392		*
393		* @return XmlElement[] Found Elements
394		*/
395	2	public function elements($name, $uri = null) : array
396		{
397	2	$predicate = filter\tag($name);
398	2	if ($uri !== null) {
399	1	$predicate = filter\all($predicate, filter\xmlns($uri));
400		}
401
402	2	return $this->all($predicate);
403		}
404
405		/**
406		* Filters element with given predicate
407		*
408		* @param callable\|string $predicate Predicate or class name
409		*
410		* @return XmlElement[]
411		*/
412	2	public function all($predicate)
413		{
414	2	return array_values(array_filter($this->_children, filter\predicate($predicate)));
415		}
416
417		/**
418		* Iterates over matching elements
419		*
420		* @param callable\|string $predicate Predicate or class name
421		*
422		* @return XmlElement\|false
423		*/
424	2	public function get($predicate)
425		{
426	2	$predicate = filter\predicate($predicate);
427	2	foreach ($this->_children as $index => $child) {
428	2	if ($predicate($child)) {
429	2	return $child;
430		}
431		}
432
433	2	return false;
434		}
435
436	1	public function has($predicate)
437		{
438	1	return $this->get($predicate) !== false;
439		}
440
441		/**
442		* @param string\|null $query
443		* @return XPathQuery
444		*/
445	1	public function query(string $query = null)
446		{
447	1	return new XPathQuery($query, $this);
448		}
449
450		/**
451		* Helper for retrieving all arguments (including namespaces)
452		*
453		* @return array
454		*/
455	3	private function attributes(): array
456		{
457	3	$namespaces = $this->getNamespaces(false);
458	3	$namespaces = array_map(function ($prefix, $uri) {
459	1	return [$prefix ? "xmlns:{$prefix}" : 'xmlns', $uri];
460	3	}, array_values($namespaces), array_keys($namespaces));
461
462	3	return array_merge(
463	3	$this->_attributes,
464	3	array_combine(array_column($namespaces, 0), array_column($namespaces, 1))
465		);
466		}
467
468		/**
469		* Prefixes $name with attribute associated with $uri
470		*
471		* @param string $name Name to prefix
472		* @param string $uri Namespace URI
473		*
474		* @return string
475		*/
476	5	protected function _prefix(string $name, string $uri = null): string
477		{
478	5	if ($uri === null) {
479	4	return $name;
480		}
481
482	3	if (($prefix = $this->lookupPrefix($uri)) === false) {
483	1	throw new InvalidArgumentException(helper\format('URI "{uri}" is not a registered namespace', ['uri' => $uri]));
484		}
485
486	2	return "{$prefix}:{$name}";
487		}
488
489	2	public function __toString()
490		{
491	2	return trim($this->xml(true));
492		}
493
494		/**
495		* Splits name into local-name and prefix
496		*
497		* @param $name
498		* @return array [$name, $prefix]
499		*/
500	23	public static function resolve($name)
501		{
502	23	$prefix = null;
503	23	if (($pos = strpos($name, ':')) !== false) {
504	2	$prefix = substr($name, 0, $pos);
505	2	$name = substr($name, $pos + 1);
506		}
507
508	23	return [$name, $prefix];
509		}
510		}
511

kadet1090 / nucleus

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XmlElement::__construct() A

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