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independent-analytics / vendor / sabberworm / php-css-parser / src / Value / Size.php

independent-analytics / vendor / sabberworm / php-css-parser / src / Value Last commit date

CSSFunction.php 3 years ago CSSString.php 3 years ago CalcFunction.php 3 years ago CalcRuleValueList.php 3 years ago Color.php 3 years ago LineName.php 3 years ago PrimitiveValue.php 3 years ago RuleValueList.php 3 years ago Size.php 3 years ago URL.php 3 years ago Value.php 3 years ago ValueList.php 3 years ago

Size.php

186 lines

1	<?php
2
3	namespace IAWP\Sabberworm\CSS\Value;
4
5	use IAWP\Sabberworm\CSS\OutputFormat;
6	use IAWP\Sabberworm\CSS\Parsing\ParserState;
7	use IAWP\Sabberworm\CSS\Parsing\UnexpectedEOFException;
8	use IAWP\Sabberworm\CSS\Parsing\UnexpectedTokenException;
9	class Size extends PrimitiveValue
10	{
11	/**
12	* vh/vw/vm(ax)/vmin/rem are absolute insofar as they don’t scale to the immediate parent (only the viewport)
13	*
14	* @var array<int, string>
15	*/
16	const ABSOLUTE_SIZE_UNITS = ['px', 'cm', 'mm', 'mozmm', 'in', 'pt', 'pc', 'vh', 'vw', 'vmin', 'vmax', 'rem'];
17	/**
18	* @var array<int, string>
19	*/
20	const RELATIVE_SIZE_UNITS = ['%', 'em', 'ex', 'ch', 'fr'];
21	/**
22	* @var array<int, string>
23	*/
24	const NON_SIZE_UNITS = ['deg', 'grad', 'rad', 's', 'ms', 'turns', 'Hz', 'kHz'];
25	/**
26	* @var array<int, array<string, string>>\|null
27	*/
28	private static $SIZE_UNITS = null;
29	/**
30	* @var float
31	*/
32	private $fSize;
33	/**
34	* @var string\|null
35	*/
36	private $sUnit;
37	/**
38	* @var bool
39	*/
40	private $bIsColorComponent;
41	/**
42	* @param float\|int\|string $fSize
43	* @param string\|null $sUnit
44	* @param bool $bIsColorComponent
45	* @param int $iLineNo
46	*/
47	public function __construct($fSize, $sUnit = null, $bIsColorComponent = \false, $iLineNo = 0)
48	{
49	parent::__construct($iLineNo);
50	$this->fSize = (float) $fSize;
51	$this->sUnit = $sUnit;
52	$this->bIsColorComponent = $bIsColorComponent;
53	}
54	/**
55	* @param bool $bIsColorComponent
56	*
57	* @return Size
58	*
59	* @throws UnexpectedEOFException
60	* @throws UnexpectedTokenException
61	*/
62	public static function parse(ParserState $oParserState, $bIsColorComponent = \false)
63	{
64	$sSize = '';
65	if ($oParserState->comes('-')) {
66	$sSize .= $oParserState->consume('-');
67	}
68	while (\is_numeric($oParserState->peek()) \|\| $oParserState->comes('.')) {
69	if ($oParserState->comes('.')) {
70	$sSize .= $oParserState->consume('.');
71	} else {
72	$sSize .= $oParserState->consume(1);
73	}
74	}
75	$sUnit = null;
76	$aSizeUnits = self::getSizeUnits();
77	foreach ($aSizeUnits as $iLength => &$aValues) {
78	$sKey = \strtolower($oParserState->peek($iLength));
79	if (\array_key_exists($sKey, $aValues)) {
80	if (($sUnit = $aValues[$sKey]) !== null) {
81	$oParserState->consume($iLength);
82	break;
83	}
84	}
85	}
86	return new Size((float) $sSize, $sUnit, $bIsColorComponent, $oParserState->currentLine());
87	}
88	/**
89	* @return array<int, array<string, string>>
90	*/
91	private static function getSizeUnits()
92	{
93	if (!\is_array(self::$SIZE_UNITS)) {
94	self::$SIZE_UNITS = [];
95	foreach (\array_merge(self::ABSOLUTE_SIZE_UNITS, self::RELATIVE_SIZE_UNITS, self::NON_SIZE_UNITS) as $val) {
96	$iSize = \strlen($val);
97	if (!isset(self::$SIZE_UNITS[$iSize])) {
98	self::$SIZE_UNITS[$iSize] = [];
99	}
100	self::$SIZE_UNITS[$iSize][\strtolower($val)] = $val;
101	}
102	\krsort(self::$SIZE_UNITS, \SORT_NUMERIC);
103	}
104	return self::$SIZE_UNITS;
105	}
106	/**
107	* @param string $sUnit
108	*
109	* @return void
110	*/
111	public function setUnit($sUnit)
112	{
113	$this->sUnit = $sUnit;
114	}
115	/**
116	* @return string\|null
117	*/
118	public function getUnit()
119	{
120	return $this->sUnit;
121	}
122	/**
123	* @param float\|int\|string $fSize
124	*/
125	public function setSize($fSize)
126	{
127	$this->fSize = (float) $fSize;
128	}
129	/**
130	* @return float
131	*/
132	public function getSize()
133	{
134	return $this->fSize;
135	}
136	/**
137	* @return bool
138	*/
139	public function isColorComponent()
140	{
141	return $this->bIsColorComponent;
142	}
143	/**
144	* Returns whether the number stored in this Size really represents a size (as in a length of something on screen).
145	*
146	* @return false if the unit an angle, a duration, a frequency or the number is a component in a Color object.
147	*/
148	public function isSize()
149	{
150	if (\in_array($this->sUnit, self::NON_SIZE_UNITS, \true)) {
151	return \false;
152	}
153	return !$this->isColorComponent();
154	}
155	/**
156	* @return bool
157	*/
158	public function isRelative()
159	{
160	if (\in_array($this->sUnit, self::RELATIVE_SIZE_UNITS, \true)) {
161	return \true;
162	}
163	if ($this->sUnit === null && $this->fSize != 0) {
164	return \true;
165	}
166	return \false;
167	}
168	/**
169	* @return string
170	*/
171	public function __toString()
172	{
173	return $this->render(new OutputFormat());
174	}
175	/**
176	* @return string
177	*/
178	public function render(OutputFormat $oOutputFormat)
179	{
180	$l = \localeconv();
181	$sPoint = \preg_quote($l['decimal_point'], '/');
182	$sSize = \preg_match("/[\\d\\.]+e[+-]?\\d+/i", (string) $this->fSize) ? \preg_replace("/{$sPoint}?0+\$/", "", \sprintf("%f", $this->fSize)) : $this->fSize;
183	return \preg_replace(["/{$sPoint}/", "/^(-?)0\\./"], ['.', '$1.'], $sSize) . ($this->sUnit === null ? '' : $this->sUnit);
184	}
185	}
186