A simple tag parsing library.
/**
* Get the data pertaining to the given double tag. This will
* loop through arrays of given data
*
* Example Data:
* $data = array(
* 'books' => array(
* array(
* 'title' => 'PHP for Dummies',
* 'author' => 'John Doe'
* ),
* array(
* 'title' => 'CodeIgniter for Dummies',
* 'author' => 'Jane Doe'
* )
* )
* );
*
* Example Tags:
* {books}
* {title} by {author}<br />
* {/books}
*
* @access private
* @param array The double tag
* @param array The data to parse
* @return mixed Either the data for the tag or FALSE
*/
private function _parse_data_double($tag, $data)
{
$return_data = '';
foreach ($tag['segments'] as $segment) {
if (!isset($data[$segment])) {
return FALSE;
}
$data = $data[$segment];
}
$temp = new Simpletags();
foreach ($data as $val) {
$return = $temp->parse($tag['content'], $val);
$return_data .= $return['content'];
}
unset($temp);
return $return_data;
}
/**
* Callback from template parser
*
* @param array
* @return mixed
*/
public function parser_callback($data)
{
if (!isset($data['segments'][0]) or !isset($data['segments'][1])) {
return FALSE;
}
// Setup our paths from the data array
$class = $data['segments'][0];
$method = $data['segments'][1];
$addon = strtolower($class);
$return_data = '';
if ($class == 'site') {
$addon_path = APPPATH . '/libraries/parsers/Site_parser.php';
if (!file_exists($addon_path)) {
$return = FALSE;
}
$this->_ci->load->library('parsers/Site_parser', $data);
$return_data = $this->_process('site_parser', $method, $data);
} elseif (in_array($class, $this->add_ons)) {
$addon_path = EXTPATH . $class . '/libraries/' . $class . EXT;
if (!file_exists($addon_path)) {
log_message('error', 'Unable to load: ' . $class);
$return = FALSE;
} else {
// Load that library
$this->_ci->load->library($class . '/' . $class, $data);
// How about a language file?
$lang_path = EXTPATH . $class . '/language/' . $this->_ci->config->item('language') . '/' . $addon . '_lang' . EXT;
if (file_exists($lang_path)) {
$this->_ci->lang->load($addon . '/' . $addon);
}
// Now the fun stuff!
$return_data = $this->_process($class, $method, $data);
}
} else {
// Now we are going to check the core "modules" and see if this is what they want
$addon_path = APPPATH . 'modules/' . $class . '/libraries/' . ucfirst($class) . '_parser' . EXT;
if (!file_exists($addon_path)) {
$addon_path = APPPATH . 'modules/kb/libraries/' . ucfirst($class) . '_parser' . EXT;
if (!file_exists($addon_path)) {
log_message('error', 'Unable to load: ' . $class);
$return = FALSE;
} else {
$this->_ci->load->library('kb/' . $class . '_parser', $data);
$return_data = $this->_process($class . '_parser', $method, $data);
}
} else {
$this->_ci->load->library($class . '/' . $class . '_parser', $data);
$return_data = $this->_process($class . '_parser', $method, $data);
}
}
if (is_array($return_data) && !empty($return_data)) {
if (!$this->_is_multi($return_data)) {
$return_data = $this->_make_multi($return_data);
}
$content = $data['content'];
$parsed_return = '';
$simpletags = new Simpletags();
foreach ($return_data as $result) {
$parsed = $simpletags->parse($content, $result);
$parsed_return .= $parsed['content'];
}
unset($simpletags);
$return_data = $parsed_return;
}
return $return_data;
}
