/**
* Parse the token array into a tree
*
* @param array $tokens
*
* @return \Zend\Markup\TokenList
*/
protected function _createTree($tokens)
{
// variable initialization for treebuilder
$this->_searchedStoppers = array();
$this->_tree = new Markup\TokenList();
$this->_current = new Markup\Token('', Markup\Token::TYPE_NONE, 'Zend_Markup_Root');
$this->_tree->addChild($this->_current);
foreach ($tokens as $token) {
// first we want to know if this tag is a stopper, or at least a searched one
if ($this->_isStopper($token['tag'])) {
// find the stopper
$oldItems = array();
while (!in_array($token['tag'], $this->_tags[$this->_current->getName()]['stoppers'])) {
$oldItems[] = clone $this->_current;
$this->_current = $this->_current->getParent();
}
// we found the stopper, so stop the tag
$this->_current->setStopper($token['tag']);
$this->_removeFromSearchedStoppers($this->_current);
$this->_current = $this->_current->getParent();
// add the old items again if there are any
if (!empty($oldItems)) {
foreach (array_reverse($oldItems) as $item) {
/* @var $token \Zend\Markup\Token */
$this->_current->addChild($item);
$item->setParent($this->_current);
$this->_current = $item;
}
}
} else {
if ($token['type'] == Markup\Token::TYPE_TAG) {
if ($token['tag'] == self::NEWLINE) {
// this is a newline tag, add it as a token
$this->_current->addChild(new Markup\Token("\n", Markup\Token::TYPE_NONE, '', array(), $this->_current));
} elseif (isset($token['name']) && $token['name'][0] == '/') {
// this is a stopper, add it as a empty token
$this->_current->addChild(new Markup\Token($token['tag'], Markup\Token::TYPE_NONE, '', array(), $this->_current));
} elseif (isset($this->_tags[$this->_current->getName()]['parse_inside']) && !$this->_tags[$this->_current->getName()]['parse_inside']) {
$this->_current->addChild(new Markup\Token($token['tag'], Markup\Token::TYPE_NONE, '', array(), $this->_current));
} else {
// add the tag
$child = new Markup\Token($token['tag'], $token['type'], $token['name'], $token['attributes'], $this->_current);
$this->_current->addChild($child);
// add stoppers for this tag, if its has stoppers
if ($this->_getType($token['name']) == self::TYPE_DEFAULT) {
$this->_current = $child;
$this->_addToSearchedStoppers($this->_current);
}
}
} else {
// no tag, just add it as a simple token
$this->_current->addChild(new Markup\Token($token['tag'], Markup\Token::TYPE_NONE, '', array(), $this->_current));
}
}
}
return $this->_tree;
}
/**
* Parse the token array into a tree
*
* @param array $tokens
*
* @return \Zend\Markup\TokenList
*/
protected function _createTree($tokens)
{
// variable initialization for treebuilder
$groupStack = array($this->_group);
$this->_searchedStoppers = array();
$this->_tree = new TokenList();
$this->_current = new Token('', Token::TYPE_NONE, 'Zend_Markup_Root');
$this->_tree->addChild($this->_current);
foreach ($tokens as $token) {
// first we want to know if this tag is a stopper, or at least a searched one
if ($this->_isStopper($token['tag'])) {
// find the stopper
$oldItems = array();
while (!in_array($token['tag'], $this->_tags[$this->_current->getName()]['stoppers'])) {
$oldItems[] = clone $this->_current;
$this->_current = $this->_current->getParent();
// use a lower level group
$this->_group = array_pop($groupStack);
}
// we found the stopper, so stop the tag
$this->_current->setStopper($token['tag']);
$this->_removeFromSearchedStoppers($this->_current);
$this->_current = $this->_current->getParent();
$this->_group = array_pop($groupStack);
// add the old items again if there are any
if (!empty($oldItems)) {
foreach (array_reverse($oldItems) as $item) {
/* @var $token \Zend\Markup\Token */
$this->_current->addChild($item);
$item->setParent($this->_current);
$this->_current = $item;
// re-add the group
$groupStack[] = $this->_group;
$this->_group = $this->_getGroup($item->getName());
}
}
} else {
if ($token['type'] == Token::TYPE_MARKUP) {
if ($token['tag'] == self::NEWLINE) {
// this is a newline tag, add it as a token
$this->_current->addChild(new Token("\n", Token::TYPE_NONE, '', array(), $this->_current));
} elseif (isset($token['name']) && $token['name'][0] == '/') {
// this is a stopper, add it as a empty token
$this->_current->addChild(new Token($token['tag'], Token::TYPE_NONE, '', array(), $this->_current));
} elseif (!$this->_checkTagAllowed($token)) {
// TODO: expand this to using groups for the context-awareness
$this->_current->addChild(new Token($token['tag'], Token::TYPE_NONE, '', array(), $this->_current));
} else {
// add the tag
$child = new Token($token['tag'], $token['type'], $token['name'], $token['attributes'], $this->_current);
$this->_current->addChild($child);
// set the new group
$groupStack[] = $this->_group;
$this->_group = $this->_getGroup($token['name']);
// add stoppers for this tag, if its has stoppers
if ($this->_getType($token['name']) == self::TYPE_DEFAULT) {
$this->_current = $child;
$this->_addToSearchedStoppers($this->_current);
}
}
} else {
// no tag, just add it as a simple token
$this->_current->addChild(new Token($token['tag'], Token::TYPE_NONE, '', array(), $this->_current));
}
}
}
return $this->_tree;
}
/**
* Create a tree from the tokenized text
*
* @return void
*/
protected function _createTree()
{
$inside = true;
foreach ($this->_tokens as $key => $token) {
// first check if the token is a stopper
if ($this->_isStopper($token, $this->_current)) {
if ($this->_current->getName() == 'li') {
// list items are handled differently
if (isset($this->_tokens[$key + 1]) && $this->_tokens[$key + 1]['type'] == Markup\Token::TYPE_TAG && $this->_tokens[$key + 1]['name'] == 'list') {
// the next item is a correct tag
$this->_current->setStopper($token['tag']);
$this->_current = $this->_current->getParent();
} else {
// close the list
$this->_current->setStopper($token['tag']);
$this->_current = $this->_current->getParent()->getParent();
// go up in the tree until we found the end
while ($this->_isStopper($token, $this->_current)) {
$this->_current->setStopper($token['tag']);
$this->_current = $this->_current->getParent();
}
}
} else {
// go up in the tree until we found the end of stoppers
while ($this->_isStopper($token, $this->_current)) {
$this->_current->setStopper($token['tag']);
if (!empty($token['attributes'])) {
foreach ($token['attributes'] as $name => $value) {
$this->_current->addAttribute($name, $value);
}
}
$this->_current = $this->_current->getParent();
}
}
$inside = true;
} elseif ($token['type'] == Markup\Token::TYPE_TAG && $inside) {
if ($token['name'] == 'break') {
// add the newline and continue parsing
$this->_current->addChild(new Markup\Token($token['tag'], Markup\Token::TYPE_NONE, '', array(), $this->_current));
} else {
// handle a list item
if ($token['name'] == 'list') {
$attributes = array();
if (isset($token['attributes']['list'])) {
$attributes['list'] = $token['attributes']['list'];
unset($token['attributes']['list']);
}
if ($this->_current->getName() != 'list') {
// the list isn't started yet, create it
$child = new Markup\Token('', Markup\Token::TYPE_TAG, 'list', $attributes, $this->_current);
$this->_current->addChild($child);
$this->_current = $child;
}
$token['name'] = 'li';
} elseif ($token['name'] == 'img' || $token['name'] == 'url') {
$inside = false;
}
// add the token
$child = new Markup\Token($token['tag'], Markup\Token::TYPE_TAG, $token['name'], $token['attributes'], $this->_current);
$this->_current->addChild($child);
$this->_current = $child;
}
} else {
// simply add the token as text
$this->_current->addChild(new Markup\Token($token['tag'], Markup\Token::TYPE_NONE, '', array(), $this->_current));
}
}
}