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<?php |
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/* |
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* This file is part of the ILess |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace ILess\Node; |
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use ILess\Context; |
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use ILess\Exception\CompilerException; |
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use ILess\Visitor\VisitorInterface; |
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/** |
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* MixinDefinition. |
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*/ |
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class MixinDefinitionNode extends RulesetNode |
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{ |
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/** |
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* Node type. |
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* |
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* @var string |
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*/ |
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protected $type = 'MixinDefinition'; |
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/** |
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* The definition name. |
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* |
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* @var string |
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*/ |
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public $name; |
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/** |
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* Array of selectors. |
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* |
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* @var array |
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*/ |
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public $selectors; |
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/** |
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* Array of parameters. |
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* |
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* @var array |
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*/ |
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public $params = []; |
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/** |
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* The arity. |
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* |
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* @var int |
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*/ |
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public $arity = 0; |
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/** |
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* Array of rules. |
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* |
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* @var array |
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*/ |
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public $rules = []; |
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/** |
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* Lookups cache array. |
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* |
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* @var array |
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*/ |
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public $lookups = []; |
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/** |
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* Number of required parameters. |
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* |
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* @var int |
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*/ |
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public $required = 0; |
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/** |
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* Frames array. |
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* |
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* @var array |
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*/ |
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public $frames = []; |
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/** |
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* The condition. |
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* |
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* @var ConditionNode |
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*/ |
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public $condition; |
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/** |
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* Variadic flag. |
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* |
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* @var bool |
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*/ |
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public $variadic = false; |
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/** |
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* @var bool |
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*/ |
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public $compileFirst = true; |
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/** |
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* @var array |
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*/ |
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protected $optionalParameters = []; |
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/** |
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* Constructor. |
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* |
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* @param string $name |
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* @param array $params Array of parameters |
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* @param array $rules |
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* @param ConditionNode $condition |
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* @param bool $variadic |
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*/ |
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public function __construct( |
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$name, |
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array $params = [], |
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array $rules = [], |
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$condition = null, |
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$variadic = false, |
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$frames = [] |
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) { |
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$this->name = $name; |
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$this->selectors = [new SelectorNode([new ElementNode(null, $name)])]; |
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$this->params = $params; |
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$this->condition = $condition; |
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$this->variadic = (boolean) $variadic; |
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$this->rules = $rules; |
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$this->required = 0; |
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if ($params) { |
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$this->arity = count($params); |
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foreach ($params as $p) { |
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if (!isset($p['name']) || ($p['name'] && !isset($p['value']))) { |
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++$this->required; |
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} else { |
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$this->optionalParameters[] = $p['name']; |
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} |
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} |
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} |
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$this->frames = $frames; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function accept(VisitorInterface $visitor) |
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{ |
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if ($this->params) { |
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$this->params = $visitor->visitArray($this->params); |
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} |
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$this->rules = $visitor->visitArray($this->rules); |
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if ($this->condition) { |
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$this->condition = $visitor->visit($this->condition); |
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} |
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} |
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/** |
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* Compiles the node. |
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* |
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* @param Context $context The context |
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* @param array|null $arguments Array of arguments |
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* @param bool|null $important Important flag |
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* |
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* @return MixinDefinitionNode |
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*/ |
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public function compile(Context $context, $arguments = null, $important = null) |
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{ |
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return new self( |
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$this->name, |
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$this->params, |
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$this->rules, |
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$this->condition, |
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$this->variadic, |
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count($this->frames) ? $this->frames : $context->frames |
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); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function compileCall(Context $context, $arguments = null, $important = null) |
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{ |
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$mixinFrames = array_merge($this->frames, $context->frames); |
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$mixinEnv = Context::createCopyForCompilation($context, $mixinFrames); |
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$compiledArguments = []; |
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$frame = $this->compileParams($context, $mixinEnv, (array) $arguments, $compiledArguments); |
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// use array_values so the array keys are reset |
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$ex = new ExpressionNode(array_values($compiledArguments)); |
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array_unshift($frame->rules, new RuleNode('@arguments', $ex->compile($context))); |
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$ruleset = new RulesetNode([], $this->rules); |
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$ruleset->originalRuleset = $this; |
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$ruleSetEnv = Context::createCopyForCompilation($context, array_merge([$this, $frame], $mixinFrames)); |
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$ruleset = $ruleset->compile($ruleSetEnv); |
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if ($important) { |
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$ruleset = $ruleset->makeImportant(); |
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} |
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return $ruleset; |
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} |
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/** |
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* Compile parameters. |
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* |
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* @param Context $context The context |
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* @param Context $mixinEnv The mixin environment |
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* @param array $arguments Array of arguments |
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* @param array $compiledArguments The compiled arguments |
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* |
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* @throws |
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* |
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* @return mixed |
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*/ |
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public function compileParams( |
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Context $context, |
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Context $mixinEnv, |
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$arguments = [], |
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array &$compiledArguments = [] |
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) { |
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$frame = new RulesetNode([], []); |
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$params = $this->params; |
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$argsCount = 0; |
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if (isset($mixinEnv->frames[0]) && $mixinEnv->frames[0]->functionRegistry) { |
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$frame->functionRegistry = $mixinEnv->frames[0]->functionRegistry->inherit(); |
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} |
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// create a copy of mixin environment |
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$mixinEnv = Context::createCopyForCompilation($mixinEnv, array_merge([$frame], $mixinEnv->frames)); |
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if ($arguments) { |
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$argsCount = count($arguments); |
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for ($i = 0; $i < $argsCount; ++$i) { |
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if (!isset($arguments[$i])) { |
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continue; |
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} |
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$arg = $arguments[$i]; |
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if (isset($arg['name']) && $name = $arg['name']) { |
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$isNamedFound = false; |
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foreach ($params as $j => $param) { |
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if (!isset($compiledArguments[$j]) && $name === $params[$j]['name']) { |
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$compiledArguments[$j] = $arg['value']->compile($context); |
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array_unshift($frame->rules, new RuleNode($name, $arg['value']->compile($context))); |
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$isNamedFound = true; |
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break; |
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} |
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} |
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if ($isNamedFound) { |
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array_splice($arguments, $i, 1); |
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--$i; |
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continue; |
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} else { |
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throw new CompilerException(sprintf('The named argument for `%s` %s was not found.', |
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$this->name, $arguments[$i]['name'])); |
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} |
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} |
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} |
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} |
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$argIndex = 0; |
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foreach ($params as $i => $param) { |
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if (array_key_exists($i, $compiledArguments)) { |
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continue; |
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} |
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$arg = null; |
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if (array_key_exists($argIndex, $arguments)) { |
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$arg = $arguments[$argIndex]; |
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} |
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if (isset($param['name']) && ($name = $param['name'])) { |
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if (isset($param['variadic']) && $param['variadic']) { |
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$varArgs = []; |
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for ($j = $argIndex; $j < $argsCount; ++$j) { |
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$varArgs[] = $arguments[$j]['value']->compile($context); |
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} |
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$expression = new ExpressionNode($varArgs); |
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array_unshift($frame->rules, new RuleNode($name, $expression->compile($context))); |
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} else { |
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$val = ($arg && $arg['value']) ? $arg['value'] : false; |
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if ($val) { |
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$val = $val->compile($context); |
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} elseif (isset($param['value'])) { |
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$val = $param['value']->compile($mixinEnv); |
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$frame->resetCache(); |
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} else { |
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throw new CompilerException( |
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sprintf('Wrong number of arguments for `%s` (%s for %s)', |
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$this->name, count($arguments), $this->arity) |
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); |
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} |
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array_unshift($frame->rules, new RuleNode($name, $val)); |
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$compiledArguments[$i] = $val; |
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} |
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} |
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if (isset($param['variadic']) && $param['variadic'] && $arguments) { |
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for ($j = $argIndex; $j < $argsCount; ++$j) { |
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$compiledArguments[$j] = $arguments[$j]['value']->compile($context); |
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} |
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} |
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++$argIndex; |
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} |
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ksort($compiledArguments); |
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return $frame; |
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} |
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/** |
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* Match a condition. |
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* |
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* @param array $arguments |
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* @param Context $context |
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* |
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* @return bool |
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*/ |
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public function matchCondition(array $arguments, Context $context) |
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{ |
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if (!$this->condition) { |
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return true; |
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} |
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$frame = $this->compileParams( |
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$context, |
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Context::createCopyForCompilation($context, array_merge($this->frames, $context->frames)), |
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$arguments |
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); |
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$compileEnv = Context::createCopyForCompilation($context, array_merge( |
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[$frame], $this->frames, $context->frames |
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)); |
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if (!$this->condition->compile($compileEnv)) { |
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return false; |
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} |
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347
|
|
|
|
|
348
|
|
|
return true; |
|
349
|
|
|
} |
|
350
|
|
|
|
|
351
|
|
|
/** |
|
352
|
|
|
* Matches arguments. |
|
353
|
|
|
* |
|
354
|
|
|
* @param array $args |
|
355
|
|
|
* @param Context $context |
|
356
|
|
|
* |
|
357
|
|
|
* @return bool |
|
358
|
|
|
*/ |
|
359
|
|
|
public function matchArgs(array $args, Context $context) |
|
360
|
|
|
{ |
|
361
|
|
|
$argsLength = count($args); |
|
362
|
|
|
|
|
363
|
|
|
$requiredArgsCount = 0; |
|
364
|
|
|
foreach ($args as $arg) { |
|
365
|
|
|
if (!isset($arg['name']) || !in_array($arg['name'], $this->optionalParameters)) { |
|
366
|
|
|
++$requiredArgsCount; |
|
367
|
|
|
} |
|
368
|
|
|
} |
|
369
|
|
|
|
|
370
|
|
|
if (!$this->variadic) { |
|
371
|
|
|
if ($requiredArgsCount < $this->required) { |
|
372
|
|
|
return false; |
|
373
|
|
|
} |
|
374
|
|
|
if ($argsLength > count($this->params)) { |
|
375
|
|
|
return false; |
|
376
|
|
|
} |
|
377
|
|
|
} else { |
|
378
|
|
|
if ($requiredArgsCount < ($this->required - 1)) { |
|
379
|
|
|
return false; |
|
380
|
|
|
} |
|
381
|
|
|
} |
|
382
|
|
|
|
|
383
|
|
|
$len = min($requiredArgsCount, $this->arity); |
|
384
|
|
|
|
|
385
|
|
|
for ($i = 0; $i < $len; ++$i) { |
|
386
|
|
|
if (!isset($this->params[$i]['name']) && !isset($this->params[$i]['variadic'])) { |
|
387
|
|
|
if ($args[$i]['value']->compile($context)->toCSS($context) != $this->params[$i]['value']->compile($context)->toCSS($context)) { |
|
388
|
|
|
return false; |
|
389
|
|
|
} |
|
390
|
|
|
} |
|
391
|
|
|
} |
|
392
|
|
|
|
|
393
|
|
|
return true; |
|
394
|
|
|
} |
|
395
|
|
|
|
|
396
|
|
|
/** |
|
397
|
|
|
* Returns ruleset with nodes marked as important. |
|
398
|
|
|
* |
|
399
|
|
|
* @return MixinDefinitionNode |
|
400
|
|
|
*/ |
|
401
|
|
|
public function makeImportant() |
|
402
|
|
|
{ |
|
403
|
|
|
$importantRules = []; |
|
404
|
|
|
foreach ($this->rules as $rule) { |
|
405
|
|
|
if ($rule instanceof MakeableImportantInterface) { |
|
406
|
|
|
$importantRules[] = $rule->makeImportant(); |
|
407
|
|
|
} else { |
|
408
|
|
|
$importantRules[] = $rule; |
|
409
|
|
|
} |
|
410
|
|
|
} |
|
411
|
|
|
|
|
412
|
|
|
return new self($this->name, $this->params, $importantRules, $this->condition, $this->variadic, |
|
413
|
|
|
$this->frames); |
|
414
|
|
|
} |
|
415
|
|
|
} |
|
416
|
|
|
|
Our type inference engine has found an assignment to a property that is incompatible with the declared type of that property.
Either this assignment is in error or the assigned type should be added to the documentation/type hint for that property..