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<?php |
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declare(strict_types=1); |
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namespace Spiral\Stempler\Transform\Merge\Inject; |
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use Spiral\Stempler\Node\Block; |
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use Spiral\Stempler\Node\Dynamic\Output; |
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use Spiral\Stempler\Node\Mixin; |
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use Spiral\Stempler\Node\PHP; |
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use Spiral\Stempler\Node\Raw; |
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use Spiral\Stempler\Transform\BlockClaims; |
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use Spiral\Stempler\Transform\QuotedValue; |
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use Spiral\Stempler\VisitorContext; |
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use Spiral\Stempler\VisitorInterface; |
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/** |
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* Injects block values into PHP source code using marco function. |
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*/ |
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final class InjectPHP implements VisitorInterface |
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{ |
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// php marcos to inject values into |
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private const PHP_MACRO_FUNCTION = 'inject'; |
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private const PHP_MARCO_EXISTS_FUNCTION = 'injected'; |
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public function __construct( |
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private readonly BlockClaims $blocks |
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) { |
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} |
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public function enterNode(mixed $node, VisitorContext $ctx): mixed |
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{ |
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if ( |
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!$node instanceof PHP |
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|| ( |
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!\str_contains($node->content, self::PHP_MACRO_FUNCTION) |
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&& !\str_contains($node->content, self::PHP_MARCO_EXISTS_FUNCTION) |
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) |
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) { |
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return null; |
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} |
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$php = new PHPMixin($node->tokens, self::PHP_MACRO_FUNCTION); |
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foreach ($this->blocks->getNames() as $name) { |
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$block = $this->blocks->get($name); |
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if ($this->isReference($block)) { |
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// resolved on later stage |
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continue; |
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} |
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if ($php->has($name)) { |
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$php->set($name, $this->trimPHP($this->blocks->claim($name))); |
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} |
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} |
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$node->content = $php->compile(); |
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$node->tokens = \token_get_all($node->content); |
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$exists = new PHPMixin($node->tokens, self::PHP_MARCO_EXISTS_FUNCTION); |
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foreach ($this->blocks->getNames() as $name) { |
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$block = $this->blocks->get($name); |
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if ($this->isReference($block)) { |
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// resolved on later stage |
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continue; |
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} |
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if ($exists->has($name)) { |
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$exists->set($name, 'true'); |
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} |
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} |
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$node->content = $exists->compile(); |
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$node->tokens = \token_get_all($node->content); |
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return null; |
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} |
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public function leaveNode(mixed $node, VisitorContext $ctx): mixed |
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{ |
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return null; |
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} |
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private function isReference(mixed $node): bool |
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{ |
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switch (true) { |
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case \is_array($node): |
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foreach ($node as $child) { |
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if ($this->isReference($child)) { |
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return true; |
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} |
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} |
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return false; |
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case $node instanceof QuotedValue: |
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return $this->isReference($node->getValue()); |
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case $node instanceof Mixin: |
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foreach ($node->nodes as $child) { |
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if ($this->isReference($child)) { |
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return true; |
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} |
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} |
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return false; |
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case $node instanceof Block: |
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return true; |
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} |
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return false; |
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} |
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private function trimPHP(mixed $node): string |
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{ |
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switch (true) { |
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case \is_array($node): |
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$result = []; |
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foreach ($node as $child) { |
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$result[] = $this->trimPHP($child); |
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} |
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return \implode('.', $result); |
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case $node instanceof Mixin: |
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$result = []; |
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foreach ($node->nodes as $child) { |
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$result[] = $this->trimPHP($child); |
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} |
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return \implode('.', $result); |
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case $node instanceof Raw: |
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return $this->exportValue($node); |
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case $node instanceof Output: |
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return \trim($node->body); |
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case $node instanceof PHP: |
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return $node->getContext()?->getValue(PHP::ORIGINAL_BODY) |
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?? (new PHPMixin($node->tokens, self::PHP_MACRO_FUNCTION))->trimBody(); |
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case $node instanceof QuotedValue: |
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return $this->trimPHP($node->trimValue()); |
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} |
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return 'null'; |
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} |
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private function exportValue(Raw $node): string |
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{ |
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$value = $node->content; |
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return match (true) { |
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\strtolower($value) === 'true' => 'true', |
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\strtolower($value) === 'false' => 'false', |
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\is_float($value) || \is_numeric($value) => (string) $value, |
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default => \var_export($node->content, true), |
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}; |
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} |
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} |
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spiral /
framework
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