/**
* Parses the tokens generated by executeScanner() and generates a tree
*
* @param array $tokens
* @param BBCodeToken $currentToken
* @return BBCodeToken Root node containing all nodes of the tree
*/
private function executeParser(array &$tokens, BBCodeToken $currentToken) {
if ($currentToken->getTagName() === 'viscacha_root_node') {
// This is the root node, reset the array pointer for $tokens
reset($tokens);
}
// Use while as foreach will reset the array pointer on each call
while (list(, $token) = each($tokens)) {
if (is_string($token) == true) {
// It' a string, add it to the current token as child
$currentToken->addChild($token);
}
elseif ($token instanceof BBCodeToken) {
// Get the tag object for this Token
if ($token->getDisplayType() == BBCodeTag::DT_BLOCK) {
if ($token->isStandalone() == true) {
// Add standalone tags to the current token (can't have childs => no recursion)
$currentToken->addChild($token);
}
elseif ($token->isOpeningTag() == true) {
$currentToken->addChild($this->executeParser($tokens, $token));
}
else {
$currentToken->setClosingToken($token);
break;
}
}
else { // Inline Tag
if ($token->isStandalone() == true) {
// Add standalone tags to the current token (can't have childs => no recursion)
$currentToken->addChild($token);
}
elseif ($token->isOpeningTag() == true) {
$currentToken->addChild($this->executeParser($tokens, $token));
}
else {
$currentToken->setClosingToken($token);
break;
}
}
}
}
return $currentToken;
}
