public function pushControlWord(RTFToken $token)
{
if ($token->getType() != RTFToken::T_CONTROL_WORD) {
throw new Exception("Incorrect token type");
}
array_push($this->controls, $token);
}
/**
* @param RTFToken $token
* @throws \Exception
*/
protected function parseToken($token)
{
switch ($token->getType()) {
// Start a new Group
case RTFToken::T_START_GROUP:
$group = new RTFGroup();
$parent = end($this->groupStack);
if ($parent) {
$parent->pushGroup($group);
} else {
$this->rootGroup = $group;
}
$this->groupStack[] = $group;
break;
// End the active group
// End the active group
case RTFToken::T_END_GROUP:
if (empty($this->groupStack)) {
throw new \Exception("Can not close group when open group doesn't exist");
}
array_pop($this->groupStack);
break;
// Attach a control word to the active group
// Attach a control word to the active group
case RTFToken::T_CONTROL_WORD:
if (empty($this->groupStack)) {
throw new \Exception("Can not use control word when open group doesn't exist");
}
$group = end($this->groupStack);
if (isset(RTFTokenizer::$contentControlWords[$token->getName()])) {
$group->pushContent($token);
} else {
$group->pushControlWord($token);
}
break;
// Add content into the active group
// Add content into the active group
case RTFToken::T_CONTROL_SYMBOL:
case RTFToken::T_TEXT:
if (empty($this->groupStack)) {
throw new \Exception("Can not use content when open group doesn't exist");
}
$group = end($this->groupStack);
$group->pushContent($token);
break;
}
}