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71 lines
1.8 KiB
71 lines
1.8 KiB
2 years ago
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<?php
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/**
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* SCSSPHP
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*
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* @copyright 2012-2018 Leaf Corcoran
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*
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* @license http://opensource.org/licenses/MIT MIT
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*
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* @link http://leafo.github.io/scssphp
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*/
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namespace Leafo\ScssPhp;
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use Leafo\ScssPhp\Base\Range;
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use Leafo\ScssPhp\Exception\RangeException;
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/**
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* Utilty functions
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*
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* @author Anthon Pang <anthon.pang@gmail.com>
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*/
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class Util
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{
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/**
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* Asserts that `value` falls within `range` (inclusive), leaving
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* room for slight floating-point errors.
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*
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* @param string $name The name of the value. Used in the error message.
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* @param \Leafo\ScssPhp\Base\Range $range Range of values.
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* @param array $value The value to check.
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* @param string $unit The unit of the value. Used in error reporting.
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*
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* @return mixed `value` adjusted to fall within range, if it was outside by a floating-point margin.
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*
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* @throws \Leafo\ScssPhp\Exception\RangeException
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*/
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public static function checkRange($name, Range $range, $value, $unit = '')
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{
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$val = $value[1];
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$grace = new Range(-0.00001, 0.00001);
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if ($range->includes($val)) {
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return $val;
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}
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if ($grace->includes($val - $range->first)) {
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return $range->first;
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}
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if ($grace->includes($val - $range->last)) {
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return $range->last;
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}
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throw new RangeException("$name {$val} must be between {$range->first} and {$range->last}$unit");
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}
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/**
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* Encode URI component
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*
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* @param string $string
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*
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* @return string
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*/
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public static function encodeURIComponent($string)
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{
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$revert = array('%21' => '!', '%2A' => '*', '%27' => "'", '%28' => '(', '%29' => ')');
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return strtr(rawurlencode($string), $revert);
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}
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}
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