/**
* Parses a token and returns a node.
*
* @param Twig_Token $token A Twig_Token instance
*
* @return Twig_NodeInterface A Twig_NodeInterface instance
*/
public function parse(Twig_Token $token)
{
$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->test('as')) {
$stream->next();
$alias = $stream->expect(Twig_Token::NAME_TYPE)->getValue();
}
$targets[$name] = $alias;
if (!$stream->test(Twig_Token::PUNCTUATION_TYPE, ',')) {
break;
}
$stream->next();
} 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) {
$this->parser->addImportedFunction($alias, $name, $node->getNode('var'));
}
return $node;
}
public function parse(Twig_Token $token)
{
$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->getFilename());
}
$this->parser->addImportedSymbol('function', $alias, 'get' . $name, $node->getNode('var'));
}
return $node;
}
/**
* @covers Twig_Node_Import::__construct
*/
public function testConstructor()
{
$macro = new Twig_Node_Expression_Constant('foo.twig', 1);
$var = new Twig_Node_Expression_AssignName('macro', 1);
$node = new Twig_Node_Import($macro, $var, 1);
$this->assertEquals($macro, $node->getNode('expr'));
$this->assertEquals($var, $node->getNode('var'));
}
/**
* Compiles the node to PHP.
*
* @param Twig_Compiler A Twig_Compiler instance
*/
public function compile($compiler)
{
parent::compile($compiler);
foreach ($this->getAttribute('imports') as $name => $alias) {
$compiler->write('$context[')->repr('fn_' . $alias)->raw('] = new Twig_Function(')->subcompile($this->getNode('var'))->raw(', ')->repr($name)->raw(");\n");
}
}
public function __construct(Twig_Node_Expression $expr, $lineno, $tag = null)
{
parent::__construct($expr, new Twig_Node_Expression_AssignName(str_replace('.', '_', uniqid('_imported_', true)), $lineno), $lineno, $tag);
}
