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vendor/sabberworm/php-css-parser/src/Property/AtRule.php

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+<?php
+
+namespace Sabberworm\CSS\Property;
+
+use Sabberworm\CSS\Comment\Commentable;
+use Sabberworm\CSS\Renderable;
+
+interface AtRule extends Renderable, Commentable
+{
+    /**
+     * Since there are more set rules than block rules,
+     * we’re whitelisting the block rules and have anything else be treated as a set rule.
+     *
+     * @var string
+     *
+     * @internal since 8.5.2
+     */
+    const BLOCK_RULES = 'media/document/supports/region-style/font-feature-values';
+
+    /**
+     * … and more font-specific ones (to be used inside font-feature-values)
+     *
+     * @var string
+     *
+     * @internal since 8.5.2
+     */
+    const SET_RULES = 'font-face/counter-style/page/swash/styleset/annotation';
+
+    /**
+     * @return string|null
+     */
+    public function atRuleName();
+
+    /**
+     * @return string|null
+     */
+    public function atRuleArgs();
+}

vendor/sabberworm/php-css-parser/src/Property/CSSNamespace.php

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+<?php
+
+namespace Sabberworm\CSS\Property;
+
+use Sabberworm\CSS\Comment\Comment;
+use Sabberworm\CSS\OutputFormat;
+use Sabberworm\CSS\Position\Position;
+use Sabberworm\CSS\Position\Positionable;
+
+/**
+ * `CSSNamespace` represents an `@namespace` rule.
+ */
+class CSSNamespace implements AtRule, Positionable
+{
+    use Position;
+
+    /**
+     * @var string
+     */
+    private $mUrl;
+
+    /**
+     * @var string
+     */
+    private $sPrefix;
+
+    /**
+     * @var int
+     */
+    private $iLineNo;
+
+    /**
+     * @var array<array-key, Comment>
+     *
+     * @internal since 8.8.0
+     */
+    protected $aComments;
+
+    /**
+     * @param string $mUrl
+     * @param string|null $sPrefix
+     * @param int $iLineNo
+     */
+    public function __construct($mUrl, $sPrefix = null, $iLineNo = 0)
+    {
+        $this->mUrl = $mUrl;
+        $this->sPrefix = $sPrefix;
+        $this->setPosition($iLineNo);
+        $this->aComments = [];
+    }
+
+    /**
+     * @return string
+     *
+     * @deprecated in V8.8.0, will be removed in V9.0.0. Use `render` instead.
+     */
+    public function __toString()
+    {
+        return $this->render(new OutputFormat());
+    }
+
+    /**
+     * @param OutputFormat|null $oOutputFormat
+     *
+     * @return string
+     */
+    public function render($oOutputFormat)
+    {
+        return '@namespace ' . ($this->sPrefix === null ? '' : $this->sPrefix . ' ')
+            . $this->mUrl->render($oOutputFormat) . ';';
+    }
+
+    /**
+     * @return string
+     */
+    public function getUrl()
+    {
+        return $this->mUrl;
+    }
+
+    /**
+     * @return string|null
+     */
+    public function getPrefix()
+    {
+        return $this->sPrefix;
+    }
+
+    /**
+     * @param string $mUrl
+     *
+     * @return void
+     */
+    public function setUrl($mUrl)
+    {
+        $this->mUrl = $mUrl;
+    }
+
+    /**
+     * @param string $sPrefix
+     *
+     * @return void
+     */
+    public function setPrefix($sPrefix)
+    {
+        $this->sPrefix = $sPrefix;
+    }
+
+    /**
+     * @return string
+     */
+    public function atRuleName()
+    {
+        return 'namespace';
+    }
+
+    /**
+     * @return array<int, string>
+     */
+    public function atRuleArgs()
+    {
+        $aResult = [$this->mUrl];
+        if ($this->sPrefix) {
+            array_unshift($aResult, $this->sPrefix);
+        }
+        return $aResult;
+    }
+
+    /**
+     * @param array<array-key, Comment> $aComments
+     *
+     * @return void
+     */
+    public function addComments(array $aComments)
+    {
+        $this->aComments = array_merge($this->aComments, $aComments);
+    }
+
+    /**
+     * @return array<array-key, Comment>
+     */
+    public function getComments()
+    {
+        return $this->aComments;
+    }
+
+    /**
+     * @param array<array-key, Comment> $aComments
+     *
+     * @return void
+     */
+    public function setComments(array $aComments)
+    {
+        $this->aComments = $aComments;
+    }
+}

vendor/sabberworm/php-css-parser/src/Property/Charset.php

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+<?php
+
+namespace Sabberworm\CSS\Property;
+
+use Sabberworm\CSS\Comment\Comment;
+use Sabberworm\CSS\OutputFormat;
+use Sabberworm\CSS\Position\Position;
+use Sabberworm\CSS\Position\Positionable;
+use Sabberworm\CSS\Value\CSSString;
+
+/**
+ * Class representing an `@charset` rule.
+ *
+ * The following restrictions apply:
+ * - May not be found in any CSSList other than the Document.
+ * - May only appear at the very top of a Document’s contents.
+ * - Must not appear more than once.
+ */
+class Charset implements AtRule, Positionable
+{
+    use Position;
+
+    /**
+     * @var CSSString
+     */
+    private $oCharset;
+
+    /**
+     * @var int
+     *
+     * @internal since 8.8.0
+     */
+    protected $iLineNo;
+
+    /**
+     * @var array<array-key, Comment>
+     *
+     * @internal since 8.8.0
+     */
+    protected $aComments;
+
+    /**
+     * @param CSSString $oCharset
+     * @param int $iLineNo
+     */
+    public function __construct(CSSString $oCharset, $iLineNo = 0)
+    {
+        $this->oCharset = $oCharset;
+        $this->setPosition($iLineNo);
+        $this->aComments = [];
+    }
+
+    /**
+     * @param string|CSSString $oCharset
+     *
+     * @return void
+     */
+    public function setCharset($sCharset)
+    {
+        $sCharset = $sCharset instanceof CSSString ? $sCharset : new CSSString($sCharset);
+        $this->oCharset = $sCharset;
+    }
+
+    /**
+     * @return string
+     */
+    public function getCharset()
+    {
+        return $this->oCharset->getString();
+    }
+
+    /**
+     * @return string
+     *
+     * @deprecated in V8.8.0, will be removed in V9.0.0. Use `render` instead.
+     */
+    public function __toString()
+    {
+        return $this->render(new OutputFormat());
+    }
+
+    /**
+     * @param OutputFormat|null $oOutputFormat
+     *
+     * @return string
+     */
+    public function render($oOutputFormat)
+    {
+        return "{$oOutputFormat->comments($this)}@charset {$this->oCharset->render($oOutputFormat)};";
+    }
+
+    /**
+     * @return string
+     */
+    public function atRuleName()
+    {
+        return 'charset';
+    }
+
+    /**
+     * @return string
+     */
+    public function atRuleArgs()
+    {
+        return $this->oCharset;
+    }
+
+    /**
+     * @param array<array-key, Comment> $aComments
+     *
+     * @return void
+     */
+    public function addComments(array $aComments)
+    {
+        $this->aComments = array_merge($this->aComments, $aComments);
+    }
+
+    /**
+     * @return array<array-key, Comment>
+     */
+    public function getComments()
+    {
+        return $this->aComments;
+    }
+
+    /**
+     * @param array<array-key, Comment> $aComments
+     *
+     * @return void
+     */
+    public function setComments(array $aComments)
+    {
+        $this->aComments = $aComments;
+    }
+}

vendor/sabberworm/php-css-parser/src/Property/Import.php

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+<?php
+
+namespace Sabberworm\CSS\Property;
+
+use Sabberworm\CSS\Comment\Comment;
+use Sabberworm\CSS\OutputFormat;
+use Sabberworm\CSS\Position\Position;
+use Sabberworm\CSS\Position\Positionable;
+use Sabberworm\CSS\Value\URL;
+
+/**
+ * Class representing an `@import` rule.
+ */
+class Import implements AtRule, Positionable
+{
+    use Position;
+
+    /**
+     * @var URL
+     */
+    private $oLocation;
+
+    /**
+     * @var string
+     */
+    private $sMediaQuery;
+
+    /**
+     * @var array<array-key, Comment>
+     *
+     * @internal since 8.8.0
+     */
+    protected $aComments;
+
+    /**
+     * @param URL $oLocation
+     * @param string $sMediaQuery
+     * @param int $iLineNo
+     */
+    public function __construct(URL $oLocation, $sMediaQuery, $iLineNo = 0)
+    {
+        $this->oLocation = $oLocation;
+        $this->sMediaQuery = $sMediaQuery;
+        $this->setPosition($iLineNo);
+        $this->aComments = [];
+    }
+
+    /**
+     * @param URL $oLocation
+     *
+     * @return void
+     */
+    public function setLocation($oLocation)
+    {
+        $this->oLocation = $oLocation;
+    }
+
+    /**
+     * @return URL
+     */
+    public function getLocation()
+    {
+        return $this->oLocation;
+    }
+
+    /**
+     * @return string
+     *
+     * @deprecated in V8.8.0, will be removed in V9.0.0. Use `render` instead.
+     */
+    public function __toString()
+    {
+        return $this->render(new OutputFormat());
+    }
+
+    /**
+     * @param OutputFormat|null $oOutputFormat
+     *
+     * @return string
+     */
+    public function render($oOutputFormat)
+    {
+        return $oOutputFormat->comments($this) . "@import " . $this->oLocation->render($oOutputFormat)
+            . ($this->sMediaQuery === null ? '' : ' ' . $this->sMediaQuery) . ';';
+    }
+
+    /**
+     * @return string
+     */
+    public function atRuleName()
+    {
+        return 'import';
+    }
+
+    /**
+     * @return array<int, URL|string>
+     */
+    public function atRuleArgs()
+    {
+        $aResult = [$this->oLocation];
+        if ($this->sMediaQuery) {
+            array_push($aResult, $this->sMediaQuery);
+        }
+        return $aResult;
+    }
+
+    /**
+     * @param array<array-key, Comment> $aComments
+     *
+     * @return void
+     */
+    public function addComments(array $aComments)
+    {
+        $this->aComments = array_merge($this->aComments, $aComments);
+    }
+
+    /**
+     * @return array<array-key, Comment>
+     */
+    public function getComments()
+    {
+        return $this->aComments;
+    }
+
+    /**
+     * @param array<array-key, Comment> $aComments
+     *
+     * @return void
+     */
+    public function setComments(array $aComments)
+    {
+        $this->aComments = $aComments;
+    }
+
+    /**
+     * @return string
+     */
+    public function getMediaQuery()
+    {
+        return $this->sMediaQuery;
+    }
+}

vendor/sabberworm/php-css-parser/src/Property/KeyframeSelector.php

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+<?php
+
+namespace Sabberworm\CSS\Property;
+
+class KeyframeSelector extends Selector
+{
+    /**
+     * regexp for specificity calculations
+     *
+     * @var string
+     *
+     * @internal since 8.5.2
+     */
+    const SELECTOR_VALIDATION_RX = '/
+    ^(
+        (?:
+            [a-zA-Z0-9\x{00A0}-\x{FFFF}_^$|*="\'~\[\]()\-\s\.:#+>]* # any sequence of valid unescaped characters
+            (?:\\\\.)?                                              # a single escaped character
+            (?:([\'"]).*?(?<!\\\\)\2)?                              # a quoted text like [id="example"]
+        )*
+    )|
+    (\d+%)                                                          # keyframe animation progress percentage (e.g. 50%)
+    $
+    /ux';
+}

vendor/sabberworm/php-css-parser/src/Property/Selector.php

@@ -0,0 +1,148 @@
+<?php
+
+namespace Sabberworm\CSS\Property;
+
+/**
+ * Class representing a single CSS selector. Selectors have to be split by the comma prior to being passed into this
+ * class.
+ */
+class Selector
+{
+    /**
+     * regexp for specificity calculations
+     *
+     * @var string
+     *
+     * @internal
+     */
+    const NON_ID_ATTRIBUTES_AND_PSEUDO_CLASSES_RX = '/
+        (\.[\w]+)                   # classes
+        |
+        \[(\w+)                     # attributes
+        |
+        (\:(                        # pseudo classes
+            link|visited|active
+            |hover|focus
+            |lang
+            |target
+            |enabled|disabled|checked|indeterminate
+            |root
+            |nth-child|nth-last-child|nth-of-type|nth-last-of-type
+            |first-child|last-child|first-of-type|last-of-type
+            |only-child|only-of-type
+            |empty|contains
+        ))
+        /ix';
+
+    /**
+     * regexp for specificity calculations
+     *
+     * @var string
+     *
+     * @internal
+     */
+    const ELEMENTS_AND_PSEUDO_ELEMENTS_RX = '/
+        ((^|[\s\+\>\~]+)[\w]+   # elements
+        |
+        \:{1,2}(                # pseudo-elements
+            after|before|first-letter|first-line|selection
+        ))
+        /ix';
+
+    /**
+     * regexp for specificity calculations
+     *
+     * @var string
+     *
+     * @internal since 8.5.2
+     */
+    const SELECTOR_VALIDATION_RX = '/
+        ^(
+            (?:
+                [a-zA-Z0-9\x{00A0}-\x{FFFF}_^$|*="\'~\[\]()\-\s\.:#+>]* # any sequence of valid unescaped characters
+                (?:\\\\.)?                                              # a single escaped character
+                (?:([\'"]).*?(?<!\\\\)\2)?                              # a quoted text like [id="example"]
+            )*
+        )$
+        /ux';
+
+    /**
+     * @var string
+     */
+    private $sSelector;
+
+    /**
+     * @var int|null
+     */
+    private $iSpecificity;
+
+    /**
+     * @param string $sSelector
+     *
+     * @return bool
+     *
+     * @internal since V8.8.0
+     */
+    public static function isValid($sSelector)
+    {
+        return preg_match(static::SELECTOR_VALIDATION_RX, $sSelector);
+    }
+
+    /**
+     * @param string $sSelector
+     * @param bool $bCalculateSpecificity @deprecated since V8.8.0, will be removed in V9.0.0
+     */
+    public function __construct($sSelector, $bCalculateSpecificity = false)
+    {
+        $this->setSelector($sSelector);
+        if ($bCalculateSpecificity) {
+            $this->getSpecificity();
+        }
+    }
+
+    /**
+     * @return string
+     */
+    public function getSelector()
+    {
+        return $this->sSelector;
+    }
+
+    /**
+     * @param string $sSelector
+     *
+     * @return void
+     */
+    public function setSelector($sSelector)
+    {
+        $this->sSelector = trim($sSelector);
+        $this->iSpecificity = null;
+    }
+
+    /**
+     * @return string
+     *
+     * @deprecated in V8.8.0, will be removed in V9.0.0. Use `render` instead.
+     */
+    public function __toString()
+    {
+        return $this->getSelector();
+    }
+
+    /**
+     * @return int
+     */
+    public function getSpecificity()
+    {
+        if ($this->iSpecificity === null) {
+            $a = 0;
+            /// @todo should exclude \# as well as "#"
+            $aMatches = null;
+            $b = substr_count($this->sSelector, '#');
+            $c = preg_match_all(self::NON_ID_ATTRIBUTES_AND_PSEUDO_CLASSES_RX, $this->sSelector, $aMatches);
+            $d = preg_match_all(self::ELEMENTS_AND_PSEUDO_ELEMENTS_RX, $this->sSelector, $aMatches);
+            $this->iSpecificity = ($a * 1000) + ($b * 100) + ($c * 10) + $d;
+        }
+        return $this->iSpecificity;
+    }
+}