Tag::getAttributesString() - Code Metrics - Inspection of "Improvements for rendering" - siriusphp/html - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( be8c5d...b94655 )

by Adrian

created 2016-02-19 15:16 UTC

Tag::getAttributesString() B

↳ Parent: Tag

Complexity

Conditions	5
Paths	8

Size

Total Lines	19
Code Lines	12

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	14
CRAP Score	5

Importance

Changes	9
Bugs	1	Features	1

Metric	Value
c	9
b	1
f	1
dl	0
loc	19
ccs	14
cts	14
cp	1
rs	8.8571
cc	5
eloc	12
nc	8
nop	0
crap	5

<?php
namespace Sirius\Html;

/**
 * Extended class for building HTML elements.
 *
 * It offers an interface similar to jQuery's DOM handling functionality
 * (besides the Input's class functionality)
 * - before(): add something before the element
 * - after(): add something after the element;
 */
class Tag
{

    /**
     * Items (strings) to be added before the element
     *
     * @var array
     */
    protected $before = array();

    /**
     * Items (strings) to be added after the element
     *
     * @var array
     */
    protected $after = array();

    /**
     * The HTML tag
     *
     * @var string
     */
    protected $tag = 'div';

    /**
     * Is the element self enclosing
     *
     * @var bool
     */
    protected $isSelfClosing = false;

    /**
     * Properties collection
     *
     * @var array
     */
    protected $props = array();

    /**
     * Content of the element.
     * Can be a string, array, object that has __toString()
     *
     * @var mixed
     */
    protected $content = array();

    /**
     * Parent element
     *
     * @var Tag
     */
    protected $parent;

    /**
     * The tag builder.
     * This is so we can attach children without having to construct them
     *
     * @var Builder
     */
    protected $builder;

    /**
     * Factory method.
     * If $tag ends in '/' the tag will be considered 'self-closing'
     *
     * @example ExtendedTag::factory('hr/', null, ['class' => 'separator']);
     *          ExtendedTag::factory('div', 'This is my content', ['class' => 'container']);
     *
     * @param string $tag
     * @param array $props
     * @param mixed $content
     * @param Builder $builder
     *
     * @return Tag
     */
    static public function create($tag, $props = null, $content = null, Builder $builder = null)
    {
        $widget = new static($props, $content, $builder);
        if (substr($tag, - 1) === '/') {
            $widget->tag           = substr($tag, 0, - 1);
            $widget->isSelfClosing = true;
        } else {
            $widget->tag           = $tag;
            $widget->isSelfClosing = false;
        }
        $widget->setContent($content);

        return $widget;
    }

    /**
     *
     * @param array $props
     *            Additional data for the HTML element (attributes, private data)
     * @param mixed $content
     *            Content of the HTML element (a string, an array)
     * @param Builder $builder
     */
    public function __construct($props = null, $content = null, Builder $builder = null)
    {
        $this->builder = $builder;
        if ($props !== null) {
            $this->setProps($props);
        }
        if ($content !== null) {
            $this->setContent($content);
        }
    }

    /**
     * Set multipe properties to the HTML element
     *
     * @param array $props
     *
     * @return self
     */
    public function setProps($props)
    {
        if ( ! is_array($props) && ! ($props instanceof \Traversable)) {
            return $this;
        }
        foreach ($props as $name => $value) {
            $this->set($name, $value);
        }

        return $this;
    }

    /**
     * Set a single property to the HTML element
     *
     * @param string $name
     * @param mixed $value
     *
     * @return Tag
     */
    public function set($name, $value = null)
    {
        if (is_string($name)) {
            $name = $this->cleanAttributeName($name);
            if ($value === null && isset($this->props[$name])) {
                unset($this->props[$name]);
            } elseif ($value !== null) {
                $this->props[$name] = $value;
            }
        }

        return $this;
    }

    /**
     * @param $name
     *
     * @return mixed
     */
    protected function cleanAttributeName($name)
    {
        // private attributes are allowed to have any form
        if (substr($name, 0, 1) === '_') {
            return $name;
        }

        return preg_replace('/[^a-zA-Z0-9-]+/', '', $name);
    }

    /**
     * Returns some or all of the HTML element's properties
     *
     * @param array|null $list
     *
     * @return array
     */
    public function getProps($list = null)
    {
        if ($list && is_array($list)) {
            $result = array();
            foreach ($list as $key) {
                $result[$key] = $this->get($key);
            }

            return $result;
        }

        return $this->props;
    }

    /**
     * Returns one of HTML element's properties
     *
     * @param string $name
     *
     * @return mixed
     */
    public function get($name)
    {
        $name = $this->cleanAttributeName($name);

        return isset($this->props[$name]) ? $this->props[$name] : null;
    }

    /**
     * Add a class to the element's class list
     *
     * @param string $class
     *
     * @return self
     */
    public function addClass($class)
    {
        if ( ! $this->hasClass($class)) {
            $this->set('class', trim((string) $this->get('class') . ' ' . $class));
        }

        return $this;
    }

    /**
     * Remove a class from the element's class list
     *
     * @param string $class
     *
     * @return self
     */
    public function removeClass($class)
    {
        $classes = $this->get('class');
        if ($classes) {
            $classes = trim(preg_replace('/(^| ){1}' . $class . '( |$){1}/i', ' ', $classes));
            $this->set('class', $classes);
        }

        return $this;
    }

    /**
     * Toggles a class on the element
     *
     * @param string $class
     *
     * @return self
     */
    public function toggleClass($class)
    {
        if ($this->hasClass($class)) {
            return $this->removeClass($class);
        }

        return $this->addClass($class);
    }

    /**
     * Checks if the element has a specific class
     *
     * @param string $class
     *
     * @return boolean
     */
    public function hasClass($class)
    {
        $classes = $this->get('class');

        return $classes && ((bool) preg_match('/(^| ){1}' . $class . '( |$){1}/i', $classes));
    }

    /**
     * Set the content
     *
     * @param mixed $content
     *
     * @return $this
     */
    public function setContent($content)
    {
        if ( ! $content) {
            return $this;
        }
        if ( ! is_array($content)) {
            $content = array( $content );
        }
        $this->clearContent();
        foreach ($content as $child) {
            $this->addChild($child);
        }

        return $this;
    }

    /**
     * Get the content/children
     *
     * @return mixed
     */
    public function getContent()
    {
        return $this->content;
    }

    /**
     * Empties the content of the tag
     *
     * @return \Sirius\Html\Tag
     */
    public function clearContent()
    {
        $this->content = array();

        return $this;
    }

    /**
     * @param $tagTextOrArray
     *
     * @return self
     */
    protected function addChild($tagTextOrArray)
    {
        // a list of arguments to be passed to builder->make()
        if (is_array($tagTextOrArray) && ! empty($tagTextOrArray)) {

            if ( ! isset($this->builder)) {
                throw new \InvalidArgumentException(sprintf('Builder not attached to tag `%s`', $this->tag));
            }

            $tagName        = $tagTextOrArray[0];
            $props          = isset($tagTextOrArray[1]) ? $tagTextOrArray[1] : [ ];
            $content        = isset($tagTextOrArray[2]) ? $tagTextOrArray[2] : [ ];
            $tagTextOrArray = $this->builder->make($tagName, $props, $content);
        }

        array_push($this->content, $tagTextOrArray);

        return $this;
    }

    /**
     * Return the attributes as a string for HTML output
     * example: title="Click here to delete" class="remove"
     *
     * @return string
     */
    protected function getAttributesString()
    {
        $result = '';
        ksort($this->props);
        foreach ($this->props as $k => $v) {
            if (substr($k, 0, 1) !== '_') {
                if ($v === true) {
                    $result .= $k . ' ';
                } else {
                    $result .= $k . '="' . $this->escapeAttr($v) . '" ';
                }
            }
        }
        if ($result) {
            $result = ' ' . trim($result);
        }

        return $result;
    }

    /**
     * @param $attr
     *
     * @return string
     */
    protected function escapeAttr($attr)
    {
        $attr = (string) $attr;

        if (0 === strlen($attr)) {
            return '';
        }

        // Don't bother if there are no specialchars - saves some processing
        if ( ! preg_match('/[&<>"\']/', $attr)) {
            return $attr;
        }

        return htmlspecialchars($attr, ENT_COMPAT);
    }

    /**
     * Render the element
     *
     * @return string
     */
    public function render()
    {
        if ($this->isSelfClosing) {
            $element = "<{$this->tag}".$this->getAttributesString()." />";
        } else {
            $element = "<{$this->tag}".$this->getAttributesString().">".$this->getInnerHtml()."</{$this->tag}>";
        }
        $before = !empty($this->before) ? implode(PHP_EOL, $this->before) : '';
        $after  = !empty($this->after) ? implode(PHP_EOL, $this->after) : '';

        return $before . $element . $after;
    }

    /**
     * Return the innerHTML content of the tag
     *
     * @return string
     */
    public function getInnerHtml()
    {
        return implode(PHP_EOL, $this->content);
    }

    public function __toString()
    {
        return $this->render();
    }

    /**
     * Add a string or a stringifiable object immediately before the element
     *
     * @param string|object $stringOrObject
     *
     * @return Tag
     */
    public function before($stringOrObject)
    {
        array_unshift($this->before, $stringOrObject);

        return $this;
    }

    /**
     * Add a string or a stringifiable object immediately after the element
     *
     * @param string|object $stringOrObject
     *
     * @return Tag
     */
    public function after($stringOrObject)
    {
        array_push($this->after, $stringOrObject);

        return $this;
    }

    /**
     * Add a string or a stringifiable object immediately as the first child of the element
     *
     * @param string|object $stringOrObject
     *
     * @return Tag
     */
    public function prepend($stringOrObject)
    {
        array_unshift($this->content, $stringOrObject);

        return $this;
    }

    /**
     * Add a string or a stringifiable object as the last child the element
     *
     * @param string|object $stringOrObject
     *
     * @return Tag
     */
    public function append($stringOrObject)
    {
        array_push($this->content, $stringOrObject);

        return $this;
    }

    /**
     * Add something before and after the element.
     * Proxy for calling before() and after() simoultaneously
     *
     * @param string|object $before
     * @param string|object $after
     *
     * @return Tag
     */
    public function wrap($before, $after)
    {
        return $this->before($before)->after($after);
    }
}



1		<?php
2		namespace Sirius\Html;
3
4		/**
5		* Extended class for building HTML elements.
6		*
7		* It offers an interface similar to jQuery's DOM handling functionality
8		* (besides the Input's class functionality)
9		* - before(): add something before the element
10		* - after(): add something after the element;
11		*/
12		class Tag
13		{
14
15		/**
16		* Items (strings) to be added before the element
17		*
18		* @var array
19		*/
20		protected $before = array();
21
22		/**
23		* Items (strings) to be added after the element
24		*
25		* @var array
26		*/
27		protected $after = array();
28
29		/**
30		* The HTML tag
31		*
32		* @var string
33		*/
34		protected $tag = 'div';
35
36		/**
37		* Is the element self enclosing
38		*
39		* @var bool
40		*/
41		protected $isSelfClosing = false;
42
43		/**
44		* Properties collection
45		*
46		* @var array
47		*/
48		protected $props = array();
49
50		/**
51		* Content of the element.
52		* Can be a string, array, object that has __toString()
53		*
54		* @var mixed
55		*/
56		protected $content = array();
57
58		/**
59		* Parent element
60		*
61		* @var Tag
62		*/
63		protected $parent;
64
65		/**
66		* The tag builder.
67		* This is so we can attach children without having to construct them
68		*
69		* @var Builder
70		*/
71		protected $builder;
72
73		/**
74		* Factory method.
75		* If $tag ends in '/' the tag will be considered 'self-closing'
76		*
77		* @example ExtendedTag::factory('hr/', null, ['class' => 'separator']);
78		* ExtendedTag::factory('div', 'This is my content', ['class' => 'container']);
79		*
80		* @param string $tag
81		* @param array $props
82		* @param mixed $content
83		* @param Builder $builder
84		*
85		* @return Tag
86		*/
87	5	static public function create($tag, $props = null, $content = null, Builder $builder = null)
88		{
89	5	$widget = new static($props, $content, $builder);
90	5	if (substr($tag, - 1) === '/') {
91	2	$widget->tag = substr($tag, 0, - 1);
92	2	$widget->isSelfClosing = true;
93	2	} else {
94	4	$widget->tag = $tag;
95	4	$widget->isSelfClosing = false;
96		}
97	5	$widget->setContent($content);
98
99	5	return $widget;
100		}
101
102		/**
103		*
104		* @param array $props
105		* Additional data for the HTML element (attributes, private data)
106		* @param mixed $content
107		* Content of the HTML element (a string, an array)
108		* @param Builder $builder
109	36	*/
110		public function __construct($props = null, $content = null, Builder $builder = null)
111	36	{
112	36	$this->builder = $builder;
113	36	if ($props !== null) {
114	36	$this->setProps($props);
115	36	}
116	33	if ($content !== null) {
117	33	$this->setContent($content);
118	36	}
119		}
120
121		/**
122		* Set multipe properties to the HTML element
123		*
124		* @param array $props
125		*
126		* @return self
127	36	*/
128		public function setProps($props)
129	36	{
130		if ( ! is_array($props) && ! ($props instanceof \Traversable)) {
131		return $this;
132	36	}
133	18	foreach ($props as $name => $value) {
134	36	$this->set($name, $value);
135		}
136	36
137		return $this;
138		}
139
140		/**
141		* Set a single property to the HTML element
142		*
143		* @param string $name
144		* @param mixed $value
145		*
146		* @return Tag
147	29	*/
148		public function set($name, $value = null)
149	29	{
150	29	if (is_string($name)) {
151	29	$name = $this->cleanAttributeName($name);
152	4	if ($value === null && isset($this->props[$name])) {
153	29	unset($this->props[$name]);
154	29	} elseif ($value !== null) {
155	29	$this->props[$name] = $value;
156	29	}
157		}
158	29
159		return $this;
160		}
161
162		/**
163		* @param $name
164		*
165		* @return mixed
166	29	*/
167		protected function cleanAttributeName($name)
168		{
169	29	// private attributes are allowed to have any form
170	10	if (substr($name, 0, 1) === '_') {
171		return $name;
172		}
173	29
174		return preg_replace('/[^a-zA-Z0-9-]+/', '', $name);
175		}
176
177		/**
178		* Returns some or all of the HTML element's properties
179		*
180		* @param array\|null $list
181		*
182		* @return array
183	27	*/
184		public function getProps($list = null)
185	27	{
186	1	if ($list && is_array($list)) {
187	1	$result = array();
188	1	foreach ($list as $key) {
189	1	$result[$key] = $this->get($key);
190		}
191	1
192		return $result;
193		}
194	26
195		return $this->props;
196		}
197
198		/**
199		* Returns one of HTML element's properties
200		*
201		* @param string $name
202		*
203		* @return mixed
204	18	*/
205		public function get($name)
206	18	{
207		$name = $this->cleanAttributeName($name);
208	18
209		return isset($this->props[$name]) ? $this->props[$name] : null;
210		}
211
212		/**
213		* Add a class to the element's class list
214		*
215		* @param string $class
216		*
217		* @return self
218	4	*/
219		public function addClass($class)
220	4	{
221	4	if ( ! $this->hasClass($class)) {
222	4	$this->set('class', trim((string) $this->get('class') . ' ' . $class));
223		}
224	4
225		return $this;
226		}
227
228		/**
229		* Remove a class from the element's class list
230		*
231		* @param string $class
232		*
233		* @return self
234	2	*/
235		public function removeClass($class)
236	2	{
237	2	$classes = $this->get('class');
238	2	if ($classes) {
239	2	$classes = trim(preg_replace('/(^\| ){1}' . $class . '( \|$){1}/i', ' ', $classes));
240	2	$this->set('class', $classes);
241		}
242	2
243		return $this;
244		}
245
246		/**
247		* Toggles a class on the element
248		*
249		* @param string $class
250		*
251		* @return self
252	1	*/
253		public function toggleClass($class)
254	1	{
255	1	if ($this->hasClass($class)) {
256		return $this->removeClass($class);
257		}
258	1
259		return $this->addClass($class);
260		}
261
262		/**
263		* Checks if the element has a specific class
264		*
265		* @param string $class
266		*
267		* @return boolean
268	7	*/
269		public function hasClass($class)
270	7	{
271		$classes = $this->get('class');
272	7
273		return $classes && ((bool) preg_match('/(^\| ){1}' . $class . '( \|$){1}/i', $classes));
274		}
275
276		/**
277		* Set the content
278		*
279		* @param mixed $content
280		*
281		* @return $this
282	24	*/
283		public function setContent($content)
284	24	{
285	2	if ( ! $content) {
286		return $this;
287	23	}
288	23	if ( ! is_array($content)) {
289	23	$content = array( $content );
290	23	}
291	23	$this->clearContent();
292	23	foreach ($content as $child) {
293	23	$this->addChild($child);
294		}
295	23
296		return $this;
297		}
298
299		/**
300		* Get the content/children
301		*
302		* @return mixed
303		*/
304		public function getContent()
305		{
306		return $this->content;
307		}
308
309		/**
310		* Empties the content of the tag
311		*
312		* @return \Sirius\Html\Tag
313	23	*/
314		public function clearContent()
315	23	{
316		$this->content = array();
317	23
318		return $this;
319		}
320
321		/**
322		* @param $tagTextOrArray
323		*
324		* @return self
325	23	*/
326		protected function addChild($tagTextOrArray)
327		{
328	23	// a list of arguments to be passed to builder->make()
329		if (is_array($tagTextOrArray) && ! empty($tagTextOrArray)) {
330	1
331		if ( ! isset($this->builder)) {
332		throw new \InvalidArgumentException(sprintf('Builder not attached to tag `%s`', $this->tag));
333		}
334	1
335	1	$tagName = $tagTextOrArray[0];
336	1	$props = isset($tagTextOrArray[1]) ? $tagTextOrArray[1] : [ ];
337	1	$content = isset($tagTextOrArray[2]) ? $tagTextOrArray[2] : [ ];
338	1	$tagTextOrArray = $this->builder->make($tagName, $props, $content);
339		}
340	23
341		array_push($this->content, $tagTextOrArray);
342	23
343		return $this;
344		}
345
346		/**
347		* Return the attributes as a string for HTML output
348		* example: title="Click here to delete" class="remove"
349		*
350		* @return string
351	23	*/
352		protected function getAttributesString()
353	23	{
354	23	$result = '';
355	23	ksort($this->props);
356	23	foreach ($this->props as $k => $v) {
357	19	if (substr($k, 0, 1) !== '_') {
358	19	if ($v === true) {
359	19	$result .= $k . ' ';
360	1	} else {
361		$result .= $k . '="' . $this->escapeAttr($v) . '" ';
362	23	}
363	23	}
364	23	}
365	19	if ($result) {
366	19	$result = ' ' . trim($result);
367		}
368	23
369		return $result;
370		}
371
372		/**
373		* @param $attr
374		*
375		* @return string
376		*/
377	23	protected function escapeAttr($attr)
378		{
379	23	$attr = (string) $attr;
380	23
381	19	if (0 === strlen($attr)) {
382	19	return '';
383	19	}
384
385	23	// Don't bother if there are no specialchars - saves some processing
386		if ( ! preg_match('/[&<>"\']/', $attr)) {
387	23	return $attr;
388		}
389
390		return htmlspecialchars($attr, ENT_COMPAT);
391		}
392
393		/**
394		* Render the element
395	19	*
396		* @return string
397	19	*/
398		public function render()
399	19	{
400	1	if ($this->isSelfClosing) {
401		$element = "<{$this->tag}".$this->getAttributesString()." />";
402		} else {
403		$element = "<{$this->tag}".$this->getAttributesString().">".$this->getInnerHtml()."</{$this->tag}>";
404	18	}
405	17	$before = !empty($this->before) ? implode(PHP_EOL, $this->before) : '';
406		$after = !empty($this->after) ? implode(PHP_EOL, $this->after) : '';
407
408	1	return $before . $element . $after;
409		}
410
411		/**
412		* Return the innerHTML content of the tag
413		*
414		* @return string
415		*/
416	23	public function getInnerHtml()
417		{
418	23	return implode(PHP_EOL, $this->content);
419	11	}
420	11
421	11	public function __toString()
422	13	{
423	13	return $this->render();
424		}
425	23
426	23	/**
427		* Add a string or a stringifiable object immediately before the element
428	23	*
429		* @param string\|object $stringOrObject
430		*
431		* @return Tag
432		*/
433		public function before($stringOrObject)
434		{
435		array_unshift($this->before, $stringOrObject);
436	13
437		return $this;
438	13	}
439
440		/**
441	18	* Add a string or a stringifiable object immediately after the element
442		*
443	18	* @param string\|object $stringOrObject
444		*
445		* @return Tag
446		*/
447		public function after($stringOrObject)
448		{
449		array_push($this->after, $stringOrObject);
450
451		return $this;
452		}
453	1
454		/**
455	1	* Add a string or a stringifiable object immediately as the first child of the element
456		*
457	1	* @param string\|object $stringOrObject
458		*
459		* @return Tag
460		*/
461		public function prepend($stringOrObject)
462		{
463		array_unshift($this->content, $stringOrObject);
464
465		return $this;
466		}
467	1
468		/**
469	1	* Add a string or a stringifiable object as the last child the element
470		*
471	1	* @param string\|object $stringOrObject
472		*
473		* @return Tag
474		*/
475		public function append($stringOrObject)
476		{
477		array_push($this->content, $stringOrObject);
478
479		return $this;
480		}
481	1
482		/**
483	1	* Add something before and after the element.
484		* Proxy for calling before() and after() simoultaneously
485	1	*
486		* @param string\|object $before
487		* @param string\|object $after
488		*
489		* @return Tag
490		*/
491		public function wrap($before, $after)
492		{
493		return $this->before($before)->after($after);
494		}
495	1	}
496
497

siriusphp / html

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Tag::getAttributesString() B

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