/**
* execute the action from the parsing
*
* @access protected
* @param array $action
*/
protected function _executeAction($action)
{
$action['name'] = strtoupper($action['name']);
if ($this->_firstPage && $action['name'] !== 'PAGE' && !$action['close']) {
$this->_setNewPage();
}
// properties of the action
$properties = $action['param'];
// name of the action (old method)
$fnc = ($action['close'] ? '_tag_close_' : '_tag_open_') . strtoupper($action['name']);
$tagObject = $this->getTagObject($action['name']);
if (!is_null($tagObject)) {
if ($action['close']) {
$res = $tagObject->close($properties);
} else {
$res = $tagObject->open($properties);
}
} elseif (is_callable(array(&$this, $fnc))) {
$res = $this->{$fnc}($properties);
} else {
$e = new HtmlParsingException('The html tag [' . $action['name'] . '] is not known by Html2Pdf not exists.' . 'You can create it and push it on the Html2Pdf GitHub project.');
$e->setInvalidTag($action['name']);
$e->setHtmlLine($action['line']);
throw $e;
}
// save the name of the action
$this->_previousCall = $fnc;
// return the result
return $res;
}
/**
* TODO remove the reference on the $parents variable
*
* @param Token $token
* @param array $parents
*
* @return array
* @throws HtmlParsingException
*/
protected function getTagAction(Token $token, &$parents)
{
// tag that can be not closed
$tagsNotClosed = array('br', 'hr', 'img', 'col', 'input', 'link', 'option', 'circle', 'ellipse', 'path', 'rect', 'line', 'polygon', 'polyline');
// analyze the HTML code
$node = $this->tagParser->analyzeTag($token->getData());
// save the current position in the HTML code
$node->setLine($token->getLine());
$actions = array();
// if the tag must be closed
if (!in_array($node->getName(), $tagsNotClosed)) {
// if it is a closure tag
if ($node->isClose()) {
// HTML validation
if (count($parents) < 1) {
$e = new HtmlParsingException('Too many tag closures found for [' . $node->getName() . ']');
$e->setInvalidTag($node->getName());
$e->setHtmlLine($token->getLine());
throw $e;
} elseif (end($parents) != $node->getName()) {
$e = new HtmlParsingException('Tags are closed in a wrong order for [' . $node->getName() . ']');
$e->setInvalidTag($node->getName());
$e->setHtmlLine($token->getLine());
throw $e;
} else {
array_pop($parents);
}
} else {
// if it is an auto-closed tag
if ($node->isAutoClose()) {
// save the opened tag
$actions[] = $node;
// prepare the closed tag
$node = clone $node;
$node->setParams(array());
$node->setClose(true);
} else {
// else: add a child for validation
array_push($parents, $node->getName());
}
}
// if it is a <pre> tag (or <code> tag) not auto-closed => update the flag
if (($node->getName() == 'pre' || $node->getName() == 'code') && !$node->isAutoClose()) {
$this->tagPreIn = !$node->isClose();
}
}
// save the actions to convert
$actions[] = $node;
return $actions;
}
