SourceSizeFactory::getCharacterBalanceModifier() - Code Metrics - jkphl/responsive-images-css - Measure and Improve Code Quality continuously with Scrutinizer

SourceSizeFactory::getCharacterBalanceModifier() A
last analyzed 2018-04-15 18:47 UTC

↳ Parent: SourceSizeFactory

Complexity

Conditions	3
Paths	4

Size

Total Lines	3
Code Lines	1

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	2
CRAP Score	3

Importance

Changes

Metric	Value
cc	3
eloc	1
nc	4
nop	1
dl	0
loc	3
rs	10
c	0
b	0
f	0
ccs	2
cts	2
cp	1
crap	3

<?php

/**
 * responsive-images-css
 *
 * @category   Jkphl
 * @package    Jkphl\Respimgcss
 * @subpackage Jkphl\Respimgcss\Application
 * @author     Joschi Kuphal <[email protected]> / @jkphl
 * @copyright  Copyright © 2018 Joschi Kuphal <[email protected]> / @jkphl
 * @license    http://opensource.org/licenses/MIT The MIT License (MIT)
 */

/***********************************************************************************
 *  The MIT License (MIT)
 *
 *  Copyright © 2018 Joschi Kuphal <[email protected]> / @jkphl
 *
 *  Permission is hereby granted, free of charge, to any person obtaining a copy of
 *  this software and associated documentation files (the "Software"), to deal in
 *  the Software without restriction, including without limitation the rights to
 *  use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
 *  the Software, and to permit persons to whom the Software is furnished to do so,
 *  subject to the following conditions:
 *
 *  The above copyright notice and this permission notice shall be included in all
 *  copies or substantial portions of the Software.
 *
 *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
 *  FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
 *  COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
 *  IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 *  CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 ***********************************************************************************/

namespace Jkphl\Respimgcss\Application\Factory;

use Jkphl\Respimgcss\Application\Contract\UnitLengthInterface;
use Jkphl\Respimgcss\Application\Exceptions\InvalidArgumentException;
use Jkphl\Respimgcss\Application\Model\AbsoluteLength;
use Jkphl\Respimgcss\Application\Model\SourceSize;
use Jkphl\Respimgcss\Application\Model\SourceSizeMediaCondition;
use Jkphl\Respimgcss\Domain\Contract\LengthInterface;
use Jkphl\Respimgcss\Domain\Model\Css\ResolutionMediaCondition;
use Jkphl\Respimgcss\Domain\Model\Css\WidthMediaCondition;

/**
 * Source size factory
 *
 * @package    Jkphl\Respimgcss
 * @subpackage Jkphl\Respimgcss\Application
 */
class SourceSizeFactory extends AbstractLengthFactory
{
    /**
     * Create a source size value from a source size string
     *
     * @param string $sourceSizeStr Source size string
     *
     * @return SourceSize Source size
     */
    public function createFromSourceSizeStr(string $sourceSizeStr): SourceSize
    {
        // Determine the source size value
        $sourceSizeValue = $this->parseSourceSizeValue($sourceSizeStr);

        // Determine the associated media condition (if any)
        $mediaCondition = $this->parseMediaCondition($sourceSizeStr);

        // Return a source size instance
        return new SourceSize($sourceSizeValue, $mediaCondition);
    }

    /**
     * Parse the length component
     *
     * @param string $sourceSizeStr Source size string
     *
     * @return UnitLengthInterface AbstractLength component
     * @throws InvalidArgumentException If the source size string is ill-formatted
     */
    protected function parseSourceSizeValue(string &$sourceSizeStr): UnitLengthInterface
    {
        // If the source size string ends with a parenthesis: Try to parse a calc() base length
        if (substr($sourceSizeStr, -1) === ')') {
            return $this->parseSourceSizeCalculatedValue($sourceSizeStr);
        }

        // If the source size string is ill-formatted
        if (!preg_match('/^(.*\s+)?([^\s]+)$/', $sourceSizeStr, $sourceSizeStrMatch)) {
            throw new InvalidArgumentException(
                sprintf(InvalidArgumentException::ILL_FORMATTED_SOURCE_SIZE_STRING_STR, $sourceSizeStr),
                InvalidArgumentException::ILL_FORMATTED_SOURCE_SIZE_STRING
            );
        }

        // Post-process the remaining string
        $sourceSizeStr = trim($sourceSizeStrMatch[1]);

        // Return the parsed length
        return (new LengthFactory($this->calculatorServiceFactory, $this->emPixel))
            ->createLengthFromString($sourceSizeStrMatch[2]);
    }

    /**
     * Parse a calc() based length value
     *
     * @param string $sourceSizeStr Source size string
     *
     * @return UnitLengthInterface AbstractLength component
     * @throws InvalidArgumentException If the source size string is ill-formatted
     */
    protected function parseSourceSizeCalculatedValue(string &$sourceSizeStr): UnitLengthInterface
    {
        // Reverse-consume the source size string
        $sourceSizeRev = strrev($sourceSizeStr);
        $balance       = null;
        for ($pos = 0; $pos < strlen($sourceSizeStr); ++$pos) {
            $balance += $this->getCharacterBalance($sourceSizeRev[$pos]);
            if ($balance === 0) {
                $length        = (new CalcLengthFactory($this->calculatorServiceFactory, $this->emPixel))
                    ->createLengthFromString(substr($sourceSizeStr, -($pos + 5)));
                $sourceSizeStr = trim(substr($sourceSizeStr, 0, -($pos + 5)));

                return $length;
            }
        }

        // Else: The source size string is ill-formatted
        throw new InvalidArgumentException(
            sprintf(InvalidArgumentException::ILL_FORMATTED_SOURCE_SIZE_STRING_STR, $sourceSizeStr),
            InvalidArgumentException::ILL_FORMATTED_SOURCE_SIZE_STRING
        );
    }

    /**
     * Return the balance value for a particular value
     *
     * @param string $char Character
     *
     * @return int Balance value
     */
    protected function getCharacterBalance($char): string
    {
        return ($char === '(') ? 1 : (($char === ')') ? -1 : 0);
    }

    /**
     * Parse and instantiate a source size media condition
     *
     * @param string $mediaConditionString
     *
     * @return SourceSizeMediaCondition|null Source size media condition
     * @see https://drafts.csswg.org/mediaqueries-4/#typedef-media-condition
     * @see https://developer.mozilla.org/de/docs/Web/CSS/Media_Queries/Using_media_queries#Pseudo-BNF_(for_those_of_you_that_like_that_kind_of_thing)
     */
    protected function parseMediaCondition(string $mediaConditionString): ?SourceSizeMediaCondition
    {
        return new SourceSizeMediaCondition(
            $mediaConditionString,
            array_merge(
                $this->parseWidthMediaConditions($mediaConditionString),
                $this->parseResolutionMediaConditions($mediaConditionString)
            )
        );
    }

    /**
     * Extract width media conditions
     *
     * @param string $mediaConditionString Media condition string
     *
     * @return WidthMediaCondition[] Width media conditions
     */
    protected function parseWidthMediaConditions(string $mediaConditionString): array
    {
        $widthMediaConditions  = [];
        $widthConditionMatches = $this->matchMediaConditions(
            $mediaConditionString,
            // width | min-width | max-width
            // device-width | min-device-width | max-device-width
            '/((?:min|max)\-)?(?:device\-)?width\s*\:\s*/'
        );

        foreach ($widthConditionMatches as $match) {
            try {
                $widthMediaConditions[] = new WidthMediaCondition(
                    $this->parseWidthMediaConditionValue($match[0]),
                    $match[1]
                );
            } catch (\Exception $e) {
                continue;
            }
        }

        return $widthMediaConditions;
    }

    /**
     * Match a media condition string
     *
     * @param string $mediaConditionString Media condition string
     * @param string $pattern              PCRE pattern
     *
     * @return array Matches
     */
    protected function matchMediaConditions(string $mediaConditionString, string $pattern): array
    {
        preg_match_all($pattern, $mediaConditionString, $matches, PREG_OFFSET_CAPTURE);
        $refinedMatches = [];
        foreach ($matches[0] as $index => $match) {
            $matchLength      = strlen($match[0]) + $match[1];
            $matchModifier    = is_array($matches[1][$index]) ? $matches[1][$index][0] : '';
            $refinedMatches[] = [substr($mediaConditionString, $matchLength), $matchModifier];
        }

        return $refinedMatches;
    }

    /**
     * Parse a width media condition value
     *
     * @param string $widthMediaConditionStr Width media condition string
     *
     * @return AbsoluteLength Width media condition value
     */
    protected function parseWidthMediaConditionValue(string $widthMediaConditionStr): AbsoluteLength
    {
        $widthMediaConditionValueStr = $this->shiftMediaConditionValue($widthMediaConditionStr);

        // Try to parse as simple unit length
        try {
            return (new LengthFactory($this->calculatorServiceFactory, $this->emPixel))
                ->createAbsoluteLengthFromString($widthMediaConditionValueStr);
        } catch (InvalidArgumentException $e) {
            // Skip
        }

        // Try to parse as calc() length
        return (new CalcLengthFactory($this->calculatorServiceFactory, $this->emPixel))

            ->createLengthFromString($widthMediaConditionValueStr);
    }

    /**
     * Shift a media condition value off the beginning of a media condition string
     *
     * @param string $mediaConditionValueStr Media condition string
     *
     * @return string Media condition value string
     */
    protected function shiftMediaConditionValue(string $mediaConditionValueStr): string
    {
        $stringLength = strlen($mediaConditionValueStr);
        $balance      = 1;
        for ($char = 0; $char < $stringLength; ++$char) {
            $balance += $this->getCharacterBalanceModifier($mediaConditionValueStr[$char]);
            if ($balance == 0) {
                return substr($mediaConditionValueStr, 0, $char);
            }
        }

        return $mediaConditionValueStr;
    }

    /**
     * Return the balance modifier for a particular character
     *
     * @param string $char Character
     *
     * @return int Balance modifier
     */
    protected function getCharacterBalanceModifier(string $char): int
    {
        return ($char == ')') ? -1 : (($char == '(') ? 1 : 0);
    }

    /**
     * Extract resolution media conditions
     *
     * @param string $mediaConditionString Media condition string
     *
     * @return ResolutionMediaCondition[] Resolution media conditions
     */
    protected function parseResolutionMediaConditions(string $mediaConditionString): array
    {
        $resolutionMediaConditions  = [];
        $resolutionConditionMatches = $this->matchMediaConditions(
            $mediaConditionString,
            // resolution | min-resolution | max-resolution
            '/((?:min|max)\-)?resolution\s*\:\s*/'
        );

        foreach ($resolutionConditionMatches as $match) {
            try {
                $resolutionMediaConditions[] = new ResolutionMediaCondition(
                    $this->parseResolutionMediaConditionValue($match[0]),
                    $match[1]
                );
            } catch (\Exception $e) {
                continue;
            }
        }

        return $resolutionMediaConditions;
    }

    /**
     * Parse a resolution media condition value
     *
     * @param string $resolutionMediaConditionStr Resolution media condition string
     *
     * @return LengthInterface Resolution media condition value
     * @throws InvalidArgumentException If the value is not numeric
     */
    protected function parseResolutionMediaConditionValue(string $resolutionMediaConditionStr): AbsoluteLength
    {
        $resolutionMediaConditionValueStr = $this->shiftMediaConditionValue($resolutionMediaConditionStr);

        // If the value is not numeric
        if (!is_numeric($resolutionMediaConditionValueStr)) {
            throw new InvalidArgumentException(
                sprintf(InvalidArgumentException::NON_WELL_FORMED_NUMERIC_VALUE_STR, $resolutionMediaConditionValueStr),
                InvalidArgumentException::NON_WELL_FORMED_NUMERIC_VALUE
            );
        }

        return $this->createAbsoluteLength(floatval($resolutionMediaConditionValueStr));
    }
}


1		<?php
2
3		/**
4		* responsive-images-css
5		*
6		* @category Jkphl
7		* @package Jkphl\Respimgcss
8		* @subpackage Jkphl\Respimgcss\Application
9		* @author Joschi Kuphal <[email protected]> / @jkphl
10		* @copyright Copyright © 2018 Joschi Kuphal <[email protected]> / @jkphl
11		* @license http://opensource.org/licenses/MIT The MIT License (MIT)
12		*/
13
14		/***********************************************************************************
15		* The MIT License (MIT)
16		*
17		* Copyright © 2018 Joschi Kuphal <[email protected]> / @jkphl
18		*
19		* Permission is hereby granted, free of charge, to any person obtaining a copy of
20		* this software and associated documentation files (the "Software"), to deal in
21		* the Software without restriction, including without limitation the rights to
22		* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
23		* the Software, and to permit persons to whom the Software is furnished to do so,
24		* subject to the following conditions:
25		*
26		* The above copyright notice and this permission notice shall be included in all
27		* copies or substantial portions of the Software.
28		*
29		* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
30		* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
31		* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
32		* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
33		* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
34		* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
35		***********************************************************************************/
36
37		namespace Jkphl\Respimgcss\Application\Factory;
38
39		use Jkphl\Respimgcss\Application\Contract\UnitLengthInterface;
40		use Jkphl\Respimgcss\Application\Exceptions\InvalidArgumentException;
41		use Jkphl\Respimgcss\Application\Model\AbsoluteLength;
42		use Jkphl\Respimgcss\Application\Model\SourceSize;
43		use Jkphl\Respimgcss\Application\Model\SourceSizeMediaCondition;
44		use Jkphl\Respimgcss\Domain\Contract\LengthInterface;
45		use Jkphl\Respimgcss\Domain\Model\Css\ResolutionMediaCondition;
46		use Jkphl\Respimgcss\Domain\Model\Css\WidthMediaCondition;
47
48		/**
49		* Source size factory
50		*
51		* @package Jkphl\Respimgcss
52		* @subpackage Jkphl\Respimgcss\Application
53		*/
54		class SourceSizeFactory extends AbstractLengthFactory
55		{
56		/**
57		* Create a source size value from a source size string
58		*
59		* @param string $sourceSizeStr Source size string
60		*
61		* @return SourceSize Source size
62		*/
63	16	public function createFromSourceSizeStr(string $sourceSizeStr): SourceSize
64		{
65		// Determine the source size value
66	16	$sourceSizeValue = $this->parseSourceSizeValue($sourceSizeStr);
67
68		// Determine the associated media condition (if any)
69	13	$mediaCondition = $this->parseMediaCondition($sourceSizeStr);
70
71		// Return a source size instance
72	13	return new SourceSize($sourceSizeValue, $mediaCondition);
73		}
74
75		/**
76		* Parse the length component
77		*
78		* @param string $sourceSizeStr Source size string
79		*
80		* @return UnitLengthInterface AbstractLength component
81		* @throws InvalidArgumentException If the source size string is ill-formatted
82		*/
83	16	protected function parseSourceSizeValue(string &$sourceSizeStr): UnitLengthInterface
84		{
85		// If the source size string ends with a parenthesis: Try to parse a calc() base length
86	16	if (substr($sourceSizeStr, -1) === ')') {
87	3	return $this->parseSourceSizeCalculatedValue($sourceSizeStr);
88		}
89
90		// If the source size string is ill-formatted
91	13	if (!preg_match('/^(.*\s+)?([^\s]+)$/', $sourceSizeStr, $sourceSizeStrMatch)) {
92	1	throw new InvalidArgumentException(
93	1	sprintf(InvalidArgumentException::ILL_FORMATTED_SOURCE_SIZE_STRING_STR, $sourceSizeStr),
94	1	InvalidArgumentException::ILL_FORMATTED_SOURCE_SIZE_STRING
95		);
96		}
97
98		// Post-process the remaining string
99	12	$sourceSizeStr = trim($sourceSizeStrMatch[1]);
100
101		// Return the parsed length
102	12	return (new LengthFactory($this->calculatorServiceFactory, $this->emPixel))
103	12	->createLengthFromString($sourceSizeStrMatch[2]);
104		}
105
106		/**
107		* Parse a calc() based length value
108		*
109		* @param string $sourceSizeStr Source size string
110		*
111		* @return UnitLengthInterface AbstractLength component
112		* @throws InvalidArgumentException If the source size string is ill-formatted
113		*/
114	3	protected function parseSourceSizeCalculatedValue(string &$sourceSizeStr): UnitLengthInterface
115		{
116		// Reverse-consume the source size string
117	3	$sourceSizeRev = strrev($sourceSizeStr);
118	3	$balance = null;
119	3	for ($pos = 0; $pos < strlen($sourceSizeStr); ++$pos) {
120	3	$balance += $this->getCharacterBalance($sourceSizeRev[$pos]);
121	3	if ($balance === 0) {
122	1	$length = (new CalcLengthFactory($this->calculatorServiceFactory, $this->emPixel))
123	1	->createLengthFromString(substr($sourceSizeStr, -($pos + 5)));
124	1	$sourceSizeStr = trim(substr($sourceSizeStr, 0, -($pos + 5)));
125
126	1	return $length;
127		}
128		}
129
130		// Else: The source size string is ill-formatted
131	2	throw new InvalidArgumentException(
132	2	sprintf(InvalidArgumentException::ILL_FORMATTED_SOURCE_SIZE_STRING_STR, $sourceSizeStr),
133	2	InvalidArgumentException::ILL_FORMATTED_SOURCE_SIZE_STRING
134		);
135		}
136
137		/**
138		* Return the balance value for a particular value
139		*
140		* @param string $char Character
141		*
142		* @return int Balance value
143		*/
144	3	protected function getCharacterBalance($char): string
145		{
146	3	return ($char === '(') ? 1 : (($char === ')') ? -1 : 0);
147		}
148
149		/**
150		* Parse and instantiate a source size media condition
151		*
152		* @param string $mediaConditionString
153		*
154		* @return SourceSizeMediaCondition\|null Source size media condition
155		* @see https://drafts.csswg.org/mediaqueries-4/#typedef-media-condition
156		* @see https://developer.mozilla.org/de/docs/Web/CSS/Media_Queries/Using_media_queries#Pseudo-BNF_(for_those_of_you_that_like_that_kind_of_thing)
157		*/
158	13	protected function parseMediaCondition(string $mediaConditionString): ?SourceSizeMediaCondition
159		{
160	13	return new SourceSizeMediaCondition(
161	13	$mediaConditionString,
162	13	array_merge(
163	13	$this->parseWidthMediaConditions($mediaConditionString),
164	13	$this->parseResolutionMediaConditions($mediaConditionString)
165		)
166		);
167		}
168
169		/**
170		* Extract width media conditions
171		*
172		* @param string $mediaConditionString Media condition string
173		*
174		* @return WidthMediaCondition[] Width media conditions
175		*/
176	13	protected function parseWidthMediaConditions(string $mediaConditionString): array
177		{
178	13	$widthMediaConditions = [];
179	13	$widthConditionMatches = $this->matchMediaConditions(
180	13	$mediaConditionString,
181		// width \| min-width \| max-width
182		// device-width \| min-device-width \| max-device-width
183	13	'/((?:min\|max)\-)?(?:device\-)?width\s\:\s/'
184		);
185
186	13	foreach ($widthConditionMatches as $match) {
187		try {
188	12	$widthMediaConditions[] = new WidthMediaCondition(
189	12	$this->parseWidthMediaConditionValue($match[0]),
190	10	$match[1]
191		);
192	2	} catch (\Exception $e) {
193	12	continue;
194		}
195		}
196
197	13	return $widthMediaConditions;
198		}
199
200		/**
201		* Match a media condition string
202		*
203		* @param string $mediaConditionString Media condition string
204		* @param string $pattern PCRE pattern
205		*
206		* @return array Matches
207		*/
208	13	protected function matchMediaConditions(string $mediaConditionString, string $pattern): array
209		{
210	13	preg_match_all($pattern, $mediaConditionString, $matches, PREG_OFFSET_CAPTURE);
211	13	$refinedMatches = [];
212	13	foreach ($matches[0] as $index => $match) {
213	13	$matchLength = strlen($match[0]) + $match[1];
214	13	$matchModifier = is_array($matches[1][$index]) ? $matches[1][$index][0] : '';
215	13	$refinedMatches[] = [substr($mediaConditionString, $matchLength), $matchModifier];
216		}
217
218	13	return $refinedMatches;
219		}
220
221		/**
222		* Parse a width media condition value
223		*
224		* @param string $widthMediaConditionStr Width media condition string
225		*
226		* @return AbsoluteLength Width media condition value
227		*/
228	12	protected function parseWidthMediaConditionValue(string $widthMediaConditionStr): AbsoluteLength
229		{
230	12	$widthMediaConditionValueStr = $this->shiftMediaConditionValue($widthMediaConditionStr);
231
232		// Try to parse as simple unit length
233		try {
234	12	return (new LengthFactory($this->calculatorServiceFactory, $this->emPixel))
235	12	->createAbsoluteLengthFromString($widthMediaConditionValueStr);
236	3	} catch (InvalidArgumentException $e) {
237		// Skip
238		}
239
240		// Try to parse as calc() length
241	3	return (new CalcLengthFactory($this->calculatorServiceFactory, $this->emPixel))
		0 ignored issues – show Bug Best Practice introduced 2018-04-08 21:41 UTC by Report Bug Copy Issue Report The expression `return new Jkphl\Respimg...MediaConditionValueStr)` could return the type `Jkphl\Respimgcss\Application\Model\ViewportLength` which is incompatible with the type-hinted return `Jkphl\Respimgcss\Application\Model\AbsoluteLength`. Consider adding an additional type-check to rule them out. Loading history...
242	3	->createLengthFromString($widthMediaConditionValueStr);
243		}
244
245		/**
246		* Shift a media condition value off the beginning of a media condition string
247		*
248		* @param string $mediaConditionValueStr Media condition string
249		*
250		* @return string Media condition value string
251		*/
252	13	protected function shiftMediaConditionValue(string $mediaConditionValueStr): string
253		{
254	13	$stringLength = strlen($mediaConditionValueStr);
255	13	$balance = 1;
256	13	for ($char = 0; $char < $stringLength; ++$char) {
257	13	$balance += $this->getCharacterBalanceModifier($mediaConditionValueStr[$char]);
258	13	if ($balance == 0) {
259	12	return substr($mediaConditionValueStr, 0, $char);
260		}
261		}
262
263	1	return $mediaConditionValueStr;
264		}
265
266		/**
267		* Return the balance modifier for a particular character
268		*
269		* @param string $char Character
270		*
271		* @return int Balance modifier
272		*/
273	13	protected function getCharacterBalanceModifier(string $char): int
274		{
275	13	return ($char == ')') ? -1 : (($char == '(') ? 1 : 0);
276		}
277
278		/**
279		* Extract resolution media conditions
280		*
281		* @param string $mediaConditionString Media condition string
282		*
283		* @return ResolutionMediaCondition[] Resolution media conditions
284		*/
285	13	protected function parseResolutionMediaConditions(string $mediaConditionString): array
286		{
287	13	$resolutionMediaConditions = [];
288	13	$resolutionConditionMatches = $this->matchMediaConditions(
289	13	$mediaConditionString,
290		// resolution \| min-resolution \| max-resolution
291	13	'/((?:min\|max)\-)?resolution\s\:\s/'
292		);
293
294	13	foreach ($resolutionConditionMatches as $match) {
295		try {
296	4	$resolutionMediaConditions[] = new ResolutionMediaCondition(
297	4	$this->parseResolutionMediaConditionValue($match[0]),
298	3	$match[1]
299		);
300	1	} catch (\Exception $e) {
301	4	continue;
302		}
303		}
304
305	13	return $resolutionMediaConditions;
306		}
307
308		/**
309		* Parse a resolution media condition value
310		*
311		* @param string $resolutionMediaConditionStr Resolution media condition string
312		*
313		* @return LengthInterface Resolution media condition value
314		* @throws InvalidArgumentException If the value is not numeric
315		*/
316	4	protected function parseResolutionMediaConditionValue(string $resolutionMediaConditionStr): AbsoluteLength
317		{
318	4	$resolutionMediaConditionValueStr = $this->shiftMediaConditionValue($resolutionMediaConditionStr);
319
320		// If the value is not numeric
321	4	if (!is_numeric($resolutionMediaConditionValueStr)) {
322	1	throw new InvalidArgumentException(
323	1	sprintf(InvalidArgumentException::NON_WELL_FORMED_NUMERIC_VALUE_STR, $resolutionMediaConditionValueStr),
324	1	InvalidArgumentException::NON_WELL_FORMED_NUMERIC_VALUE
325		);
326		}
327
328	3	return $this->createAbsoluteLength(floatval($resolutionMediaConditionValueStr));
329		}
330		}
331

jkphl / responsive-images-css

SourceSizeFactory::getCharacterBalanceModifier() A last analyzed 2018-04-15 18:47 UTC

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SourceSizeFactory::getCharacterBalanceModifier() A
last analyzed 2018-04-15 18:47 UTC