DimensionNode::accept() - Code Metrics - mishal/iless - Measure and Improve Code Quality continuously with Scrutinizer

DimensionNode::accept() A
last analyzed 2017-03-09 13:30 UTC

↳ Parent: DimensionNode

Complexity

Conditions	1
Paths	1

Size

Total Lines	4
Code Lines	2

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
dl	0
loc	4
rs	10
c	0
b	0
f	0
cc	1
eloc	2
nc	1
nop	1

<?php

/*
 * This file is part of the ILess
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace ILess\Node;

use ILess\Context;
use ILess\Exception\CompilerException;
use ILess\Math;
use ILess\Node;
use ILess\Output\OutputInterface;
use ILess\Util\UnitConversion;
use ILess\Util;
use ILess\Visitor\VisitorInterface;

/**
 * Dimension.
 */
class DimensionNode extends Node implements ComparableInterface, ToColorConvertibleInterface
{
    /**
     * Node type.
     *
     * @var string
     */
    protected $type = 'Dimension';

    /**
     * The unit.
     *
     * @var UnitNode
     */
    public $unit;

    /**
     * Constructor.
     *
     * @param string $value
     * @param UnitNode|string $unit
     */
    public function __construct($value, $unit = null)
    {
        parent::__construct(floatval($value));

        if (!$unit instanceof UnitNode) {
            $unit = $unit ? new UnitNode([$unit]) : new UnitNode();
        }

        $this->unit = $unit;
    }

    /**
     * {@inheritdoc}
     */
    public function accept(VisitorInterface $visitor)
    {
        $this->unit = $visitor->visit($this->unit);
    }

    /**
     * {@inheritdoc}
     */
    public function toColor()
    {
        return new ColorNode([$this->value, $this->value, $this->value]);
    }

    /**
     * {@inheritdoc}
     */
    public function generateCSS(Context $context, OutputInterface $output)
    {
        if ($context->strictUnits && !$this->unit->isSingular()) {
            throw new CompilerException(
                sprintf(
                    'Multiple units in dimension. Correct the units or use the unit function. Bad unit: %s',
                    $this->unit->toString()
                )
            );
        }

        $value = Util::round($context, $this->value);
        $strValue = (string) $value;

        if ($value !== 0 && $value < 0.000001 && $value > -0.000001) {
            $strValue = Math::toFixed($value, 20);
        }

        // remove trailing zeros
        $strValue = Math::clean($strValue);

        // Zero values doesn't need a unit
        if ($context->compress) {
            if ($value == 0 && $this->unit->isLength()) {
                $output->add($strValue);

                return;
            }
            // Float values doesn't need a leading zero
            if ($value > 0 && $value < 1) {
                $strValue = substr($strValue, 1);
            }
        }

        $output->add($strValue);
        // pass to unit
        $this->unit->generateCSS($context, $output);
    }

    /**
     * Convert the value to string.
     *
     * @return string
     */
    public function toString()
    {
        return $this->toCSS(new Context());
    }

    /**
     * Operates with the dimension. In an operation between two dimensions,
     * we default to the first Dimension's unit,
     * so `1px + 2` will yield `3px`.
     *
     * @param Context $context
     * @param string $op
     * @param DimensionNode $other
     *
     * @return DimensionNode
     *
     * @throws CompilerException
     */
    public function operate(Context $context, $op, DimensionNode $other)
    {
        $value = Math::operate($op, $this->value, $other->value);
function acceptsInteger($int) { }

$x = '123'; // string "123"

// Instead of
acceptsInteger($x);

// we recommend to use
acceptsInteger((integer) $x);
        $unit = clone $this->unit;

        if ($op === '+' || $op === '-') {
            if (!count($unit->numerator) && !count($unit->denominator)) {
                $unit = clone $other->unit;
                if ($this->unit->backupUnit) {
                    $unit->backupUnit = $this->unit->backupUnit;
                }
            } elseif (!count($other->unit->numerator) && !count($other->unit->denominator)) {
                // do nothing
            } else {
                $other = $other->convertTo($this->unit->usedUnits());
                if ($context->strictUnits && $other->unit->toString() !== $unit->toString()) {
                    throw new CompilerException(
                        sprintf(
                            'Incompatible units. Change the units or use the unit function. Bad units: \'%s\' and \'%s\'.',
                            $unit->toString(),
                            $other->unit->toString()
                        )
                    );
                }
                $value = Math::operate($op, $this->value, $other->value);
function acceptsInteger($int) { }

$x = '123'; // string "123"

// Instead of
acceptsInteger($x);

// we recommend to use
acceptsInteger((integer) $x);
            }
        } elseif ($op === '*') {
            $unit->numerator = array_merge($unit->numerator, $other->unit->numerator);
            $unit->denominator = array_merge($unit->denominator, $other->unit->denominator);
            sort($unit->numerator);
            sort($unit->denominator);
            $unit->cancel();
        } elseif ($op === '/') {
            $unit->numerator = array_merge($unit->numerator, $other->unit->denominator);
            $unit->denominator = array_merge($unit->denominator, $other->unit->numerator);
            sort($unit->numerator);
            sort($unit->denominator);
            $unit->cancel();
        }

        return new self($value, $unit);
    }

    /**
     * Compares with another dimension.
     *
     * @param Node $other
     *
     * @return int
     */
    public function compare(Node $other)
    {
        if (!$other instanceof self) {
            return;
        }

        if ($this->unit->isEmpty() || $other->unit->isEmpty()) {
            $a = $this;
            $b = $other;
        } else {
            $a = $this->unify();
            $b = $other->unify();
            if ($a->unit->compare($b->unit) !== 0) {
                return;
            }
        }

        return Util::numericCompare($a->value, $b->value);
    }

    /**
     * Converts to the unified dimensions.
     *
     * @return DimensionNode
     */
    public function unify()
    {
        return $this->convertTo(
            [
                'length' => 'px',
                'duration' => 's',
                'angle' => 'rad',
            ]
        );
    }

    /**
     * Converts to another unit.
     *
     * @param array|string $conversions
     *
     * @return DimensionNode
     */
    public function convertTo($conversions)
    {
        $value = $this->value;
        $unit = clone $this->unit;

        if (is_string($conversions)) {
            $derivedConversions = [];
            foreach (UnitConversion::getGroups() as $i) {
                $group = UnitConversion::getGroup($i);
                if (isset($group[$conversions])) {
                    $derivedConversions = [$i => $conversions];
                }
            }
            $conversions = $derivedConversions;
        }

        foreach ($conversions as $groupName => $targetUnit) {
            $group = UnitConversion::getGroup($groupName);
            // numerator
            for ($i = 0, $count = count($unit->numerator); $i < $count; ++$i) {
                $atomicUnit = $unit->numerator[$i];
                if (is_object($atomicUnit)) {
                    continue;
                }
                if (!isset($group[$atomicUnit])) {
                    continue;
                }
                $value = $value * $group[$atomicUnit] / $group[$targetUnit];
                $unit->numerator[$i] = $targetUnit;
            }

            // denominator
            for ($i = 0, $count = count($unit->denominator); $i < $count; ++$i) {
                $atomicUnit = $unit->denominator[$i];
                if (!isset($group[$atomicUnit])) {
                    continue;
                }
                $value = $value / ($group[$atomicUnit] / $group[$targetUnit]);
                $unit->denominator[$i] = $targetUnit;
            }
        }

        $unit->cancel();

        return new self($value, $unit);
    }
}


1			<?php
2
3			/*
4			* This file is part of the ILess
5			*
6			* For the full copyright and license information, please view the LICENSE
7			* file that was distributed with this source code.
8			*/
9
10			namespace ILess\Node;
11
12			use ILess\Context;
13			use ILess\Exception\CompilerException;
14			use ILess\Math;
15			use ILess\Node;
16			use ILess\Output\OutputInterface;
17			use ILess\Util\UnitConversion;
18			use ILess\Util;
19			use ILess\Visitor\VisitorInterface;
20
21			/**
22			* Dimension.
23			*/
24			class DimensionNode extends Node implements ComparableInterface, ToColorConvertibleInterface
25			{
26			/**
27			* Node type.
28			*
29			* @var string
30			*/
31			protected $type = 'Dimension';
32
33			/**
34			* The unit.
35			*
36			* @var UnitNode
37			*/
38			public $unit;
39
40			/**
41			* Constructor.
42			*
43			* @param string $value
44			* @param UnitNode\|string $unit
45			*/
46			public function __construct($value, $unit = null)
47			{
48			parent::__construct(floatval($value));
49
50			if (!$unit instanceof UnitNode) {
51			$unit = $unit ? new UnitNode([$unit]) : new UnitNode();
52			}
53
54			$this->unit = $unit;
55			}
56
57			/**
58			* {@inheritdoc}
59			*/
60			public function accept(VisitorInterface $visitor)
61			{
62			$this->unit = $visitor->visit($this->unit);
63			}
64
65			/**
66			* {@inheritdoc}
67			*/
68			public function toColor()
69			{
70			return new ColorNode([$this->value, $this->value, $this->value]);
71			}
72
73			/**
74			* {@inheritdoc}
75			*/
76			public function generateCSS(Context $context, OutputInterface $output)
77			{
78			if ($context->strictUnits && !$this->unit->isSingular()) {
79			throw new CompilerException(
80			sprintf(
81			'Multiple units in dimension. Correct the units or use the unit function. Bad unit: %s',
82			$this->unit->toString()
83			)
84			);
85			}
86
87			$value = Util::round($context, $this->value);
88			$strValue = (string) $value;
89
90			if ($value !== 0 && $value < 0.000001 && $value > -0.000001) {
91			$strValue = Math::toFixed($value, 20);
92			}
93
94			// remove trailing zeros
95			$strValue = Math::clean($strValue);
96
97			// Zero values doesn't need a unit
98			if ($context->compress) {
99			if ($value == 0 && $this->unit->isLength()) {
100			$output->add($strValue);
101
102			return;
103			}
104			// Float values doesn't need a leading zero
105			if ($value > 0 && $value < 1) {
106			$strValue = substr($strValue, 1);
107			}
108			}
109
110			$output->add($strValue);
111			// pass to unit
112			$this->unit->generateCSS($context, $output);
113			}
114
115			/**
116			* Convert the value to string.
117			*
118			* @return string
119			*/
120			public function toString()
121			{
122			return $this->toCSS(new Context());
123			}
124
125			/**
126			* Operates with the dimension. In an operation between two dimensions,
127			* we default to the first Dimension's unit,
128			* so `1px + 2` will yield `3px`.
129			*
130			* @param Context $context
131			* @param string $op
132			* @param DimensionNode $other
133			*
134			* @return DimensionNode
135			*
136			* @throws CompilerException
137			*/
138			public function operate(Context $context, $op, DimensionNode $other)
139			{
140			$value = Math::operate($op, $this->value, $other->value);
			0 ignored issues – show Documentation introduced 2016-03-10 07:34 UTC by Report Bug Copy Issue Report `$this->value` is of type `object<ILess\Node>\|string`, but the function expects a `double`. It seems like the type of the argument is not accepted by the function/method which you are calling. In some cases, in particular if PHP’s automatic type-juggling kicks in this might be fine. In other cases, however this might be a bug. We suggest to add an explicit type cast like in the following example: function acceptsInteger($int) { } $x = '123'; // string "123" // Instead of acceptsInteger($x); // we recommend to use acceptsInteger((integer) $x); Loading history... Documentation introduced 2016-03-10 07:34 UTC by Report Bug Copy Issue Report `$other->value` is of type `object<ILess\Node>\|string`, but the function expects a `double`. It seems like the type of the argument is not accepted by the function/method which you are calling. In some cases, in particular if PHP’s automatic type-juggling kicks in this might be fine. In other cases, however this might be a bug. We suggest to add an explicit type cast like in the following example: function acceptsInteger($int) { } $x = '123'; // string "123" // Instead of acceptsInteger($x); // we recommend to use acceptsInteger((integer) $x); Loading history...
141			$unit = clone $this->unit;
142
143			if ($op === '+' \|\| $op === '-') {
144			if (!count($unit->numerator) && !count($unit->denominator)) {
145			$unit = clone $other->unit;
146			if ($this->unit->backupUnit) {
147			$unit->backupUnit = $this->unit->backupUnit;
148			}
149			} elseif (!count($other->unit->numerator) && !count($other->unit->denominator)) {
150			// do nothing
151			} else {
152			$other = $other->convertTo($this->unit->usedUnits());
153			if ($context->strictUnits && $other->unit->toString() !== $unit->toString()) {
154			throw new CompilerException(
155			sprintf(
156			'Incompatible units. Change the units or use the unit function. Bad units: \'%s\' and \'%s\'.',
157			$unit->toString(),
158			$other->unit->toString()
159			)
160			);
161			}
162			$value = Math::operate($op, $this->value, $other->value);
			0 ignored issues – show Documentation introduced 2016-03-10 07:34 UTC by Report Bug Copy Issue Report `$this->value` is of type `object<ILess\Node>\|string`, but the function expects a `double`. It seems like the type of the argument is not accepted by the function/method which you are calling. In some cases, in particular if PHP’s automatic type-juggling kicks in this might be fine. In other cases, however this might be a bug. We suggest to add an explicit type cast like in the following example: function acceptsInteger($int) { } $x = '123'; // string "123" // Instead of acceptsInteger($x); // we recommend to use acceptsInteger((integer) $x); Loading history... Documentation introduced 2016-03-10 07:34 UTC by Report Bug Copy Issue Report `$other->value` is of type `object<ILess\Node>\|string`, but the function expects a `double`. It seems like the type of the argument is not accepted by the function/method which you are calling. In some cases, in particular if PHP’s automatic type-juggling kicks in this might be fine. In other cases, however this might be a bug. We suggest to add an explicit type cast like in the following example: function acceptsInteger($int) { } $x = '123'; // string "123" // Instead of acceptsInteger($x); // we recommend to use acceptsInteger((integer) $x); Loading history...
163			}
164			} elseif ($op === '*') {
165			$unit->numerator = array_merge($unit->numerator, $other->unit->numerator);
166			$unit->denominator = array_merge($unit->denominator, $other->unit->denominator);
167			sort($unit->numerator);
168			sort($unit->denominator);
169			$unit->cancel();
170			} elseif ($op === '/') {
171			$unit->numerator = array_merge($unit->numerator, $other->unit->denominator);
172			$unit->denominator = array_merge($unit->denominator, $other->unit->numerator);
173			sort($unit->numerator);
174			sort($unit->denominator);
175			$unit->cancel();
176			}
177
178			return new self($value, $unit);
179			}
180
181			/**
182			* Compares with another dimension.
183			*
184			* @param Node $other
185			*
186			* @return int
187			*/
188			public function compare(Node $other)
189			{
190			if (!$other instanceof self) {
191			return;
192			}
193
194			if ($this->unit->isEmpty() \|\| $other->unit->isEmpty()) {
195			$a = $this;
196			$b = $other;
197			} else {
198			$a = $this->unify();
199			$b = $other->unify();
200			if ($a->unit->compare($b->unit) !== 0) {
201			return;
202			}
203			}
204
205			return Util::numericCompare($a->value, $b->value);
206			}
207
208			/**
209			* Converts to the unified dimensions.
210			*
211			* @return DimensionNode
212			*/
213			public function unify()
214			{
215			return $this->convertTo(
216			[
217			'length' => 'px',
218			'duration' => 's',
219			'angle' => 'rad',
220			]
221			);
222			}
223
224			/**
225			* Converts to another unit.
226			*
227			* @param array\|string $conversions
228			*
229			* @return DimensionNode
230			*/
231			public function convertTo($conversions)
232			{
233			$value = $this->value;
234			$unit = clone $this->unit;
235
236			if (is_string($conversions)) {
237			$derivedConversions = [];
238			foreach (UnitConversion::getGroups() as $i) {
239			$group = UnitConversion::getGroup($i);
240			if (isset($group[$conversions])) {
241			$derivedConversions = [$i => $conversions];
242			}
243			}
244			$conversions = $derivedConversions;
245			}
246
247			foreach ($conversions as $groupName => $targetUnit) {
248			$group = UnitConversion::getGroup($groupName);
249			// numerator
250			for ($i = 0, $count = count($unit->numerator); $i < $count; ++$i) {
251			$atomicUnit = $unit->numerator[$i];
252			if (is_object($atomicUnit)) {
253			continue;
254			}
255			if (!isset($group[$atomicUnit])) {
256			continue;
257			}
258			$value = $value * $group[$atomicUnit] / $group[$targetUnit];
259			$unit->numerator[$i] = $targetUnit;
260			}
261
262			// denominator
263			for ($i = 0, $count = count($unit->denominator); $i < $count; ++$i) {
264			$atomicUnit = $unit->denominator[$i];
265			if (!isset($group[$atomicUnit])) {
266			continue;
267			}
268			$value = $value / ($group[$atomicUnit] / $group[$targetUnit]);
269			$unit->denominator[$i] = $targetUnit;
270			}
271			}
272
273			$unit->cancel();
274
275			return new self($value, $unit);
276			}
277			}
278

mishal / iless

DimensionNode::accept() A last analyzed 2017-03-09 13:30 UTC

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DimensionNode::accept() A
last analyzed 2017-03-09 13:30 UTC