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<?php |
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namespace Vlaswinkel\Lua; |
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use Vlaswinkel\Lua\AST\ASTNode; |
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use Vlaswinkel\Lua\AST\LiteralASTNode; |
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use Vlaswinkel\Lua\AST\NilASTNode; |
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use Vlaswinkel\Lua\AST\TableASTNode; |
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use Vlaswinkel\Lua\AST\TableEntryASTNode; |
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/** |
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* Class LuaToPhpConverter |
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* |
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* @author Koen Vlaswinkel <[email protected]> |
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* @package Vlaswinkel\Lua |
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*/ |
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class LuaToPhpConverter { |
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/** |
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* @param ASTNode $input |
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* |
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* @return array |
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* @throws ParseException |
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*/ |
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public static function convertToPhpValue($input) { |
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return self::parseValue($input); |
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} |
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/** |
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* @param ASTNode $input |
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* |
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* @return mixed |
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* @throws ParseException |
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*/ |
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private static function parseValue($input) { |
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if ($input instanceof TableASTNode) { |
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return self::parseTable($input); |
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} |
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if (!($input instanceof ASTNode)) { |
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throw new ParseException("Unexpected AST node: " . get_class($input)); |
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} |
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if ($input instanceof LiteralASTNode) { |
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return $input->getValue(); |
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} |
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if ($input instanceof NilASTNode) { |
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return null; |
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} |
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throw new ParseException("Unexpected AST node: " . $input->getName()); |
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} |
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/** |
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* @param $input |
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* |
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* @return array |
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* @throws ParseException |
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*/ |
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private static function parseTable($input) { |
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$data = []; |
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if (!($input instanceof TableASTNode)) { |
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throw new ParseException("Unexpected AST node: " . get_class($input)); |
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} |
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foreach ($input->getEntries() as $token) { |
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if (!($token instanceof TableEntryASTNode)) { |
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throw new ParseException("Unexpected token: " . $token->getName()); |
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} |
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$value = self::parseValue($token->getValue()); |
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if ($token->hasKey()) { |
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$key = self::parseValue($token->getKey()); |
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$data[$key] = $value; |
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} else { |
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$data[] = $value; |
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} |
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} |
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return $data; |
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} |
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} |
koesie10 /
LuaSerializer
