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110 lines
2.8 KiB
PHP
110 lines
2.8 KiB
PHP
<?php
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namespace Sabberworm\CSS\Value;
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use Sabberworm\CSS\OutputFormat;
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use Sabberworm\CSS\Parsing\ParserState;
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use Sabberworm\CSS\Parsing\SourceException;
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use Sabberworm\CSS\Parsing\UnexpectedEOFException;
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use Sabberworm\CSS\Parsing\UnexpectedTokenException;
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/**
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* A `CSSFunction` represents a special kind of value that also contains a function name and where the values are the
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* function’s arguments. It also handles equals-sign-separated argument lists like `filter: alpha(opacity=90);`.
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*/
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class CSSFunction extends ValueList
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{
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/**
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* @var string
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*
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* @internal since 8.8.0
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*/
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protected $sName;
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/**
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* @param string $sName
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* @param RuleValueList|array<int, RuleValueList|CSSFunction|CSSString|LineName|Size|URL|string> $aArguments
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* @param string $sSeparator
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* @param int $iLineNo
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*/
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public function __construct($sName, $aArguments, $sSeparator = ',', $iLineNo = 0)
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{
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if ($aArguments instanceof RuleValueList) {
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$sSeparator = $aArguments->getListSeparator();
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$aArguments = $aArguments->getListComponents();
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}
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$this->sName = $sName;
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$this->setPosition($iLineNo); // TODO: redundant?
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parent::__construct($aArguments, $sSeparator, $iLineNo);
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}
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/**
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* @param ParserState $oParserState
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* @param bool $bIgnoreCase
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*
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* @return CSSFunction
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*
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* @throws SourceException
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* @throws UnexpectedEOFException
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* @throws UnexpectedTokenException
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*
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* @internal since V8.8.0
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*/
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public static function parse(ParserState $oParserState, $bIgnoreCase = false)
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{
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$mResult = $oParserState->parseIdentifier($bIgnoreCase);
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$oParserState->consume('(');
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$aArguments = Value::parseValue($oParserState, ['=', ' ', ',']);
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$mResult = new CSSFunction($mResult, $aArguments, ',', $oParserState->currentLine());
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$oParserState->consume(')');
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return $mResult;
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}
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/**
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* @return string
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*/
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public function getName()
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{
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return $this->sName;
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}
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/**
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* @param string $sName
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*
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* @return void
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*/
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public function setName($sName)
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{
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$this->sName = $sName;
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}
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/**
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* @return array<int, RuleValueList|CSSFunction|CSSString|LineName|Size|URL|string>
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*/
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public function getArguments()
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{
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return $this->aComponents;
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}
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/**
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* @return string
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*
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* @deprecated in V8.8.0, will be removed in V9.0.0. Use `render` instead.
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*/
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public function __toString()
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{
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return $this->render(new OutputFormat());
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}
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/**
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* @param OutputFormat|null $oOutputFormat
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*
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* @return string
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*/
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public function render($oOutputFormat)
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{
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$aArguments = parent::render($oOutputFormat);
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return "{$this->sName}({$aArguments})";
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}
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}
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