42 lines
1.3 KiB
PHP
42 lines
1.3 KiB
PHP
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<?php
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namespace Twig\Node\Expression\FunctionNode;
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use Twig\Compiler;
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use Twig\Error\SyntaxError;
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use Twig\Node\Expression\ConstantExpression;
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use Twig\Node\Expression\FunctionExpression;
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class EnumCasesFunction extends FunctionExpression
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{
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public function compile(Compiler $compiler): void
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{
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$arguments = $this->getNode('arguments');
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if ($arguments->hasNode('enum')) {
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$firstArgument = $arguments->getNode('enum');
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} elseif ($arguments->hasNode('0')) {
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$firstArgument = $arguments->getNode('0');
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} else {
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$firstArgument = null;
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}
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if (!$firstArgument instanceof ConstantExpression || 1 !== \count($arguments)) {
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parent::compile($compiler);
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return;
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}
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$value = $firstArgument->getAttribute('value');
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if (!\is_string($value)) {
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throw new SyntaxError('The first argument of the "enum_cases" function must be a string.', $this->getTemplateLine(), $this->getSourceContext());
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}
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if (!enum_exists($value)) {
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throw new SyntaxError(\sprintf('The first argument of the "enum_cases" function must be the name of an enum, "%s" given.', $value), $this->getTemplateLine(), $this->getSourceContext());
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}
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$compiler->raw(\sprintf('%s::cases()', $value));
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}
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}
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