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Direktori : /home2/selectio/www/a1tex.in/vendor/sabberworm/php-css-parser/src/RuleSet/ |
Current File : /home2/selectio/www/a1tex.in/vendor/sabberworm/php-css-parser/src/RuleSet/RuleSet.php |
<?php namespace Sabberworm\CSS\RuleSet; use Sabberworm\CSS\Comment\Comment; use Sabberworm\CSS\Comment\Commentable; use Sabberworm\CSS\OutputFormat; use Sabberworm\CSS\Parsing\ParserState; use Sabberworm\CSS\Parsing\UnexpectedEOFException; use Sabberworm\CSS\Parsing\UnexpectedTokenException; use Sabberworm\CSS\Renderable; use Sabberworm\CSS\Rule\Rule; /** * RuleSet is a generic superclass denoting rules. The typical example for rule sets are declaration block. * However, unknown At-Rules (like `@font-face`) are also rule sets. */ abstract class RuleSet implements Renderable, Commentable { /** * @var array<string, Rule> */ private $aRules; /** * @var int */ protected $iLineNo; /** * @var array<array-key, Comment> */ protected $aComments; /** * @param int $iLineNo */ public function __construct($iLineNo = 0) { $this->aRules = []; $this->iLineNo = $iLineNo; $this->aComments = []; } /** * @return void * * @throws UnexpectedTokenException * @throws UnexpectedEOFException */ public static function parseRuleSet(ParserState $oParserState, RuleSet $oRuleSet) { while ($oParserState->comes(';')) { $oParserState->consume(';'); } while (!$oParserState->comes('}')) { $oRule = null; if ($oParserState->getSettings()->bLenientParsing) { try { $oRule = Rule::parse($oParserState); } catch (UnexpectedTokenException $e) { try { $sConsume = $oParserState->consumeUntil(["\n", ";", '}'], true); // We need to “unfind” the matches to the end of the ruleSet as this will be matched later if ($oParserState->streql(substr($sConsume, -1), '}')) { $oParserState->backtrack(1); } else { while ($oParserState->comes(';')) { $oParserState->consume(';'); } } } catch (UnexpectedTokenException $e) { // We’ve reached the end of the document. Just close the RuleSet. return; } } } else { $oRule = Rule::parse($oParserState); } if ($oRule) { $oRuleSet->addRule($oRule); } } $oParserState->consume('}'); } /** * @return int */ public function getLineNo() { return $this->iLineNo; } /** * @param Rule|null $oSibling * * @return void */ public function addRule(Rule $oRule, Rule $oSibling = null) { $sRule = $oRule->getRule(); if (!isset($this->aRules[$sRule])) { $this->aRules[$sRule] = []; } $iPosition = count($this->aRules[$sRule]); if ($oSibling !== null) { $iSiblingPos = array_search($oSibling, $this->aRules[$sRule], true); if ($iSiblingPos !== false) { $iPosition = $iSiblingPos; $oRule->setPosition($oSibling->getLineNo(), $oSibling->getColNo() - 1); } } if ($oRule->getLineNo() === 0 && $oRule->getColNo() === 0) { //this node is added manually, give it the next best line $rules = $this->getRules(); $pos = count($rules); if ($pos > 0) { $last = $rules[$pos - 1]; $oRule->setPosition($last->getLineNo() + 1, 0); } } array_splice($this->aRules[$sRule], $iPosition, 0, [$oRule]); } /** * Returns all rules matching the given rule name * * @example $oRuleSet->getRules('font') // returns array(0 => $oRule, …) or array(). * * @example $oRuleSet->getRules('font-') * //returns an array of all rules either beginning with font- or matching font. * * @param Rule|string|null $mRule * Pattern to search for. If null, returns all rules. * If the pattern ends with a dash, all rules starting with the pattern are returned * as well as one matching the pattern with the dash excluded. * Passing a Rule behaves like calling `getRules($mRule->getRule())`. * * @return array<int, Rule> */ public function getRules($mRule = null) { if ($mRule instanceof Rule) { $mRule = $mRule->getRule(); } /** @var array<int, Rule> $aResult */ $aResult = []; foreach ($this->aRules as $sName => $aRules) { // Either no search rule is given or the search rule matches the found rule exactly // or the search rule ends in “-” and the found rule starts with the search rule. if ( !$mRule || $sName === $mRule || ( strrpos($mRule, '-') === strlen($mRule) - strlen('-') && (strpos($sName, $mRule) === 0 || $sName === substr($mRule, 0, -1)) ) ) { $aResult = array_merge($aResult, $aRules); } } usort($aResult, function (Rule $first, Rule $second) { if ($first->getLineNo() === $second->getLineNo()) { return $first->getColNo() - $second->getColNo(); } return $first->getLineNo() - $second->getLineNo(); }); return $aResult; } /** * Overrides all the rules of this set. * * @param array<array-key, Rule> $aRules The rules to override with. * * @return void */ public function setRules(array $aRules) { $this->aRules = []; foreach ($aRules as $rule) { $this->addRule($rule); } } /** * Returns all rules matching the given pattern and returns them in an associative array with the rule’s name * as keys. This method exists mainly for backwards-compatibility and is really only partially useful. * * Note: This method loses some information: Calling this (with an argument of `background-`) on a declaration block * like `{ background-color: green; background-color; rgba(0, 127, 0, 0.7); }` will only yield an associative array * containing the rgba-valued rule while `getRules()` would yield an indexed array containing both. * * @param Rule|string|null $mRule $mRule * Pattern to search for. If null, returns all rules. If the pattern ends with a dash, * all rules starting with the pattern are returned as well as one matching the pattern with the dash * excluded. Passing a Rule behaves like calling `getRules($mRule->getRule())`. * * @return array<string, Rule> */ public function getRulesAssoc($mRule = null) { /** @var array<string, Rule> $aResult */ $aResult = []; foreach ($this->getRules($mRule) as $oRule) { $aResult[$oRule->getRule()] = $oRule; } return $aResult; } /** * Removes a rule from this RuleSet. This accepts all the possible values that `getRules()` accepts. * * If given a Rule, it will only remove this particular rule (by identity). * If given a name, it will remove all rules by that name. * * Note: this is different from pre-v.2.0 behaviour of PHP-CSS-Parser, where passing a Rule instance would * remove all rules with the same name. To get the old behaviour, use `removeRule($oRule->getRule())`. * * @param Rule|string|null $mRule * pattern to remove. If $mRule is null, all rules are removed. If the pattern ends in a dash, * all rules starting with the pattern are removed as well as one matching the pattern with the dash * excluded. Passing a Rule behaves matches by identity. * * @return void */ public function removeRule($mRule) { if ($mRule instanceof Rule) { $sRule = $mRule->getRule(); if (!isset($this->aRules[$sRule])) { return; } foreach ($this->aRules[$sRule] as $iKey => $oRule) { if ($oRule === $mRule) { unset($this->aRules[$sRule][$iKey]); } } } else { foreach ($this->aRules as $sName => $aRules) { // Either no search rule is given or the search rule matches the found rule exactly // or the search rule ends in “-” and the found rule starts with the search rule or equals it // (without the trailing dash). if ( !$mRule || $sName === $mRule || (strrpos($mRule, '-') === strlen($mRule) - strlen('-') && (strpos($sName, $mRule) === 0 || $sName === substr($mRule, 0, -1))) ) { unset($this->aRules[$sName]); } } } } /** * @return string */ public function __toString() { return $this->render(new OutputFormat()); } /** * @return string */ public function render(OutputFormat $oOutputFormat) { $sResult = ''; $bIsFirst = true; foreach ($this->aRules as $aRules) { foreach ($aRules as $oRule) { $sRendered = $oOutputFormat->safely(function () use ($oRule, $oOutputFormat) { return $oRule->render($oOutputFormat->nextLevel()); }); if ($sRendered === null) { continue; } if ($bIsFirst) { $bIsFirst = false; $sResult .= $oOutputFormat->nextLevel()->spaceBeforeRules(); } else { $sResult .= $oOutputFormat->nextLevel()->spaceBetweenRules(); } $sResult .= $sRendered; } } if (!$bIsFirst) { // Had some output $sResult .= $oOutputFormat->spaceAfterRules(); } return $oOutputFormat->removeLastSemicolon($sResult); } /** * @param array<string, Comment> $aComments * * @return void */ public function addComments(array $aComments) { $this->aComments = array_merge($this->aComments, $aComments); } /** * @return array<string, Comment> */ public function getComments() { return $this->aComments; } /** * @param array<string, Comment> $aComments * * @return void */ public function setComments(array $aComments) { $this->aComments = $aComments; } }