/**
* Parses a token and returns a node.
*
* @param IfwPsn_Vendor_Twig_Token $token A IfwPsn_Vendor_Twig_Token instance
*
* @return IfwPsn_Vendor_Twig_NodeInterface A IfwPsn_Vendor_Twig_NodeInterface instance
*/
public function parse(IfwPsn_Vendor_Twig_Token $token)
{
$macro = $this->parser->getExpressionParser()->parseExpression();
$this->parser->getStream()->expect('as');
$var = new IfwPsn_Vendor_Twig_Node_Expression_AssignName($this->parser->getStream()->expect(IfwPsn_Vendor_Twig_Token::NAME_TYPE)->getValue(), $token->getLine());
$this->parser->getStream()->expect(IfwPsn_Vendor_Twig_Token::BLOCK_END_TYPE);
$this->parser->addImportedSymbol('template', $var->getAttribute('name'));
return new IfwPsn_Vendor_Twig_Node_Import($macro, $var, $token->getLine(), $this->getTag());
}
/**
* Parses a token and returns a node.
*
* @param IfwPsn_Vendor_Twig_Token $token A IfwPsn_Vendor_Twig_Token instance
*
* @return IfwPsn_Vendor_Twig_NodeInterface A IfwPsn_Vendor_Twig_NodeInterface instance
*/
public function parse(IfwPsn_Vendor_Twig_Token $token)
{
if (!$this->parser->isMainScope()) {
throw new IfwPsn_Vendor_Twig_Error_Syntax('Cannot extend from a block', $token->getLine(), $this->parser->getFilename());
}
if (null !== $this->parser->getParent()) {
throw new IfwPsn_Vendor_Twig_Error_Syntax('Multiple extends tags are forbidden', $token->getLine(), $this->parser->getFilename());
}
$this->parser->setParent($this->parser->getExpressionParser()->parseExpression());
$this->parser->getStream()->expect(IfwPsn_Vendor_Twig_Token::BLOCK_END_TYPE);
}
/**
* Tests a token and returns it or throws a syntax error.
*
* @return IfwPsn_Vendor_Twig_Token
*/
public function expect($type, $value = null, $message = null)
{
$token = $this->tokens[$this->current];
if (!$token->test($type, $value)) {
$line = $token->getLine();
throw new IfwPsn_Vendor_Twig_Error_Syntax(sprintf('%sUnexpected token "%s" of value "%s" ("%s" expected%s)', $message ? $message . '. ' : '', IfwPsn_Vendor_Twig_Token::typeToEnglish($token->getType()), $token->getValue(), IfwPsn_Vendor_Twig_Token::typeToEnglish($type), $value ? sprintf(' with value "%s"', $value) : ''), $line, $this->filename);
}
$this->next();
return $token;
}
/**
* Parses a token and returns a node.
*
* @param IfwPsn_Vendor_Twig_Token $token A IfwPsn_Vendor_Twig_Token instance
*
* @return IfwPsn_Vendor_Twig_NodeInterface A IfwPsn_Vendor_Twig_NodeInterface instance
*/
public function parse(IfwPsn_Vendor_Twig_Token $token)
{
$macro = $this->parser->getExpressionParser()->parseExpression();
$stream = $this->parser->getStream();
$stream->expect('import');
$targets = array();
do {
$name = $stream->expect(IfwPsn_Vendor_Twig_Token::NAME_TYPE)->getValue();
$alias = $name;
if ($stream->nextIf('as')) {
$alias = $stream->expect(IfwPsn_Vendor_Twig_Token::NAME_TYPE)->getValue();
}
$targets[$name] = $alias;
if (!$stream->nextIf(IfwPsn_Vendor_Twig_Token::PUNCTUATION_TYPE, ',')) {
break;
}
} while (true);
$stream->expect(IfwPsn_Vendor_Twig_Token::BLOCK_END_TYPE);
$node = new IfwPsn_Vendor_Twig_Node_Import($macro, new IfwPsn_Vendor_Twig_Node_Expression_AssignName($this->parser->getVarName(), $token->getLine()), $token->getLine(), $this->getTag());
foreach ($targets as $name => $alias) {
$this->parser->addImportedSymbol('function', $alias, 'get' . $name, $node->getNode('var'));
}
return $node;
}
public function decideBlockEnd(IfwPsn_Vendor_Twig_Token $token)
{
return $token->test('endmacro');
}
/**
* Parses a token and returns a node.
*
* @param IfwPsn_Vendor_Twig_Token $token A IfwPsn_Vendor_Twig_Token instance
*
* @return IfwPsn_Vendor_Twig_NodeInterface A IfwPsn_Vendor_Twig_NodeInterface instance
*/
public function parse(IfwPsn_Vendor_Twig_Token $token)
{
$this->parser->getStream()->expect(IfwPsn_Vendor_Twig_Token::BLOCK_END_TYPE);
return new IfwPsn_Vendor_Twig_Node_Flush($token->getLine(), $this->getTag());
}
public function decideIfEnd(IfwPsn_Vendor_Twig_Token $token)
{
return $token->test(array('endif'));
}
/**
* Parses a token and returns a node.
*
* @param IfwPsn_Vendor_Twig_Token $token A IfwPsn_Vendor_Twig_Token instance
*
* @return IfwPsn_Vendor_Twig_NodeInterface A IfwPsn_Vendor_Twig_NodeInterface instance
*/
public function parse(IfwPsn_Vendor_Twig_Token $token)
{
$expr = $this->parser->getExpressionParser()->parseExpression();
list($variables, $only, $ignoreMissing) = $this->parseArguments();
return new IfwPsn_Vendor_Twig_Node_Include($expr, $variables, $only, $ignoreMissing, $token->getLine(), $this->getTag());
}
public function decideForEnd(IfwPsn_Vendor_Twig_Token $token)
{
return $token->test('endfor');
}
/**
* Parses a token and returns a node.
*
* @param IfwPsn_Vendor_Twig_Token $token A IfwPsn_Vendor_Twig_Token instance
*
* @return IfwPsn_Vendor_Twig_NodeInterface A IfwPsn_Vendor_Twig_NodeInterface instance
*/
public function parse(IfwPsn_Vendor_Twig_Token $token)
{
$expr = $this->parser->getExpressionParser()->parseExpression();
$this->parser->getStream()->expect(IfwPsn_Vendor_Twig_Token::BLOCK_END_TYPE);
return new IfwPsn_Vendor_Twig_Node_Do($expr, $token->getLine(), $this->getTag());
}
public function decideSpacelessEnd(IfwPsn_Vendor_Twig_Token $token)
{
return $token->test('endspaceless');
}
public function parseHashExpression()
{
$stream = $this->parser->getStream();
$stream->expect(IfwPsn_Vendor_Twig_Token::PUNCTUATION_TYPE, '{', 'A hash element was expected');
$node = new IfwPsn_Vendor_Twig_Node_Expression_Array(array(), $stream->getCurrent()->getLine());
$first = true;
while (!$stream->test(IfwPsn_Vendor_Twig_Token::PUNCTUATION_TYPE, '}')) {
if (!$first) {
$stream->expect(IfwPsn_Vendor_Twig_Token::PUNCTUATION_TYPE, ',', 'A hash value must be followed by a comma');
// trailing ,?
if ($stream->test(IfwPsn_Vendor_Twig_Token::PUNCTUATION_TYPE, '}')) {
break;
}
}
$first = false;
// a hash key can be:
//
// * a number -- 12
// * a string -- 'a'
// * a name, which is equivalent to a string -- a
// * an expression, which must be enclosed in parentheses -- (1 + 2)
if (($token = $stream->nextIf(IfwPsn_Vendor_Twig_Token::STRING_TYPE)) || ($token = $stream->nextIf(IfwPsn_Vendor_Twig_Token::NAME_TYPE)) || ($token = $stream->nextIf(IfwPsn_Vendor_Twig_Token::NUMBER_TYPE))) {
$key = new IfwPsn_Vendor_Twig_Node_Expression_Constant($token->getValue(), $token->getLine());
} elseif ($stream->test(IfwPsn_Vendor_Twig_Token::PUNCTUATION_TYPE, '(')) {
$key = $this->parseExpression();
} else {
$current = $stream->getCurrent();
throw new IfwPsn_Vendor_Twig_Error_Syntax(sprintf('A hash key must be a quoted string, a number, a name, or an expression enclosed in parentheses (unexpected token "%s" of value "%s"', IfwPsn_Vendor_Twig_Token::typeToEnglish($current->getType()), $current->getValue()), $current->getLine(), $this->parser->getFilename());
}
$stream->expect(IfwPsn_Vendor_Twig_Token::PUNCTUATION_TYPE, ':', 'A hash key must be followed by a colon (:)');
$value = $this->parseExpression();
$node->addElement($value, $key);
}
$stream->expect(IfwPsn_Vendor_Twig_Token::PUNCTUATION_TYPE, '}', 'An opened hash is not properly closed');
return $node;
}
