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<?php |
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namespace Rocket\UI\Forms\Support\Twig; |
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use Twig_Error_Syntax; |
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use Twig_NodeInterface; |
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use Twig_Token; |
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use Twig_TokenParser; |
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/** |
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* Form extension for twig |
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*/ |
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/** |
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* Form extension for twig |
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* |
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* @author Stéphane Goetz |
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*/ |
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class TokenParser extends Twig_TokenParser |
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{ |
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/** |
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* form valid methods |
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* |
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* @var array |
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*/ |
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private $valid_methods = [ |
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'width', |
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'height', |
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'event', |
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'checked', |
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'value', |
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'values', |
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'first', |
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'last', |
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'id', |
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'tip', |
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'placeholder', |
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'autocomplete', |
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'inline', |
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'data', |
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'options', |
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'class', |
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]; |
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/** |
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* Parses a token and returns a node. |
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* |
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* @param Twig_Token $token |
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* @throws Twig_Error_Syntax |
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* @return Node|Twig_NodeInterface |
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*/ |
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public function parse(Twig_Token $token) |
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{ |
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$lineno = $token->getLine(); |
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$parameters_finished = false; |
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$parameters = []; |
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$methods = []; |
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$method_name = ''; |
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$method_level = 0; |
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$current_parameters = []; |
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do { |
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$next = true; |
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$value_next = $this->parser->getStream()->look()->getValue(); |
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$value_current = $this->parser->getStream()->getCurrent()->getValue(); |
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//if we get a parenthesis, it means the next is a method |
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if ($value_next == '(') { |
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$method_level++; |
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$valid_method = in_array($value_current, $this->valid_methods); |
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if (!$parameters_finished && $valid_method) { |
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$parameters_finished = true; |
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} elseif ($parameters_finished && $method_level == 1 && !$valid_method) { |
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$message = sprintf('The function "%s" does not exist for the Form module', $value_current); |
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throw new Twig_Error_Syntax($message); |
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} |
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} |
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if (!$parameters_finished) { |
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//Parameters |
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$p = $this->parser->getExpressionParser()->parseExpression(); |
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$parameters[] = $p; |
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$next = false; |
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} else { |
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//Methods |
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if ($value_next == '(') { |
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$method_name = $value_current; |
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} elseif (!in_array($value_current, ['(', ')', ','])) { |
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$current_parameters[] = $this->parser->getExpressionParser()->parseExpression(); |
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$next = false; |
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} |
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if ($this->parser->getStream()->getCurrent()->getValue() == ')') { |
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$method_level--; |
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if ($method_name != '') { |
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$methods[][$method_name] = $current_parameters; |
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$current_parameters = []; |
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$method_name = ''; |
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$next = true; |
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} |
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} |
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} |
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if ($next) { |
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$this->parser->getStream()->next(); |
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} |
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} while (!$this->parser->getStream()->test(Twig_Token::BLOCK_END_TYPE)); |
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$this->parser->getStream()->expect(Twig_Token::BLOCK_END_TYPE); |
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return new Node($parameters, $methods, $lineno, $this->getTag()); |
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} |
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/** |
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* Gets the tag name associated with this token parser. |
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* |
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* @return string The tag name |
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*/ |
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public function getTag() |
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{ |
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return 'form'; |
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} |
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} |
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RocketPropelledTortoise /
UI
