Twig_TokenParser_From Class Reference

Imports macros. More...

Inheritance diagram for Twig_TokenParser_From:

Collaboration diagram for Twig_TokenParser_From:

Public Member Functions
	parse (Twig_Token $token)
	Parses a token and returns a node. More...
	getTag ()
	Gets the tag name associated with this token parser. More...
Public Member Functions inherited from Twig_TokenParser
	setParser (Twig_Parser $parser)
	Sets the parser associated with this token parser. More...

Additional Inherited Members
Protected Attributes inherited from Twig_TokenParser
	$parser

Detailed Description

Imports macros.

  {% from 'forms.html' import forms %}

Definition at line 21 of file From.php.

Member Function Documentation

getTag()

Twig_TokenParser_From::getTag

(

)

Gets the tag name associated with this token parser.

Returns

string The tag name

Implements Twig_TokenParserInterface.

Definition at line 60 of file From.php.

Referenced by parse().

    {
        return 'from';
    }

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parse()

Twig_TokenParser_From::parse

(

Twig_Token

$token

)

Parses a token and returns a node.

Returns

Twig_NodeInterface

Exceptions

Twig_Error_Syntax

Implements Twig_TokenParserInterface.

Definition at line 23 of file From.php.

References $name, GuzzleHttp\Psr7\$stream, Twig_Token\BLOCK_END_TYPE, Twig_Token\getLine(), getTag(), Twig_Token\NAME_TYPE, and Twig_Token\PUNCTUATION_TYPE.

    {
        $macro = $this->parser->getExpressionParser()->parseExpression();
        $stream = $this->parser->getStream();
        $stream->expect('import');

        $targets = array();
        do {
            $name = $stream->expect(Twig_Token::NAME_TYPE)->getValue();

            $alias = $name;
            if ($stream->nextIf('as')) {
                $alias = $stream->expect(Twig_Token::NAME_TYPE)->getValue();
            }

            $targets[$name] = $alias;

            if (!$stream->nextIf(Twig_Token::PUNCTUATION_TYPE, ',')) {
                break;
            }
        } while (true);

        $stream->expect(Twig_Token::BLOCK_END_TYPE);

        $node = new Twig_Node_Import($macro, new Twig_Node_Expression_AssignName($this->parser->getVarName(), $token->getLine()), $token->getLine(), $this->getTag());

        foreach ($targets as $name => $alias) {
            if ($this->parser->isReservedMacroName($name)) {
                throw new Twig_Error_Syntax(sprintf('"%s" cannot be an imported macro as it is a reserved keyword.', $name), $token->getLine(), $stream->getSourceContext());
            }

            $this->parser->addImportedSymbol('function', $alias, 'get'.$name, $node->getNode('var'));
        }

        return $node;
    }

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The documentation for this class was generated from the following file:

• libs/composer/vendor/twig/twig/lib/Twig/TokenParser/From.php