/**
* Gets the value of this argument, formatted in pure PHP code. Will
* return the PHP necessary to get the contents of a context variable
* if this argument holds a variable, or a quoted string for most
* anything else. No post-processing is required on the returned data
* to turn it into PHP code.
*
* @param \hydrogen\view\engines\hydrogen\PHPFile $phpFile The instance
* of PHPFile being used to render this template. This is required
* to handle the rare case that this argument contains a VariableNode
* that has filters that need to be applied.
* @return string a string of pure PHP code that represents the contents of
* this argument.
*/
public function getValue($phpFile)
{
if (is_object($this->data)) {
$var = new VariableNode($this->data->varLevels, $this->data->filters, false, $this->data->origin);
return $var->getVariablePHP($phpFile);
}
return "'" . str_replace("'", '\\\'', $this->data) . "'";
}
/**
* Turns a variable string (similar to what might be found in a variable
* tag within a template) into pure PHP.
*
* @param string $varString The variable string to be parsed into PHP.
* @param \hydrogen\view\engines\hydrogen\PHPFile $phpFile The instance
* of PHPFile being used to render this template.
* @param string $origin The name of the template from which this variable
* string was taken.
* @param boolean $nullIfNotFound true if a variable should evaluate to
* NULL if it's not found, false if it should throw an exception in
* that case.
* @return string the pure PHP code that will evaluate the provided
* variable string.
*/
protected static function parseVariableString($varString, $phpFile, $origin, $nullIfNotFound = false)
{
$token = Lexer::getVariableToken($origin, $varString);
$vNode = new VariableNode($token->varLevels, $token->filters, false, $origin);
return $vNode->getVariablePHP($phpFile, false, $nullIfNotFound);
}