public function parse(array $tag, $content)
{
$chart = array();
$fromTable = isset($tag['attributes']['from']) ? trim($tag['attributes']['from']) : '';
if ($fromTable) {
list($tableName, $seriesKeys) = explode('|', $fromTable) + array(null, null);
if (!isset($this->_parser->chartTables[$tableName])) {
if (isset($tag['isPostponed']) && $tag['isPostponed']) {
return sprintf('<div class="decoda-error">Chart error: table \'%s\' not found.</div>', $tableName);
}
$tag['isPostponed'] = true;
return sprintf('<!-- ###chart{%s}### -->', base64_encode(serialize(array('tag' => $tag, 'content' => $content))));
}
$table = $this->_parser->chartTables[$tableName];
$categories = isset($table['categories']) ? $table['categories'] : array();
$series = isset($table['series']) ? $table['series'] : array();
if (!empty($seriesKeys)) {
$series = array();
foreach (explode(',', $seriesKeys) as $key) {
if (isset($table['series'][$key])) {
$series[] = $table['series'][$key];
}
}
}
$chart = array('xAxis' => array('categories' => $categories), 'series' => $series);
}
$data = (array) json_decode($content, true);
if (!$data && strlen(trim($content)) > 0) {
return sprintf('<div class="decoda-error">Chart error: unable to parse chart options.</div>');
}
$tag['attributes']['data-chart'] = json_encode($this->merge($chart, $data));
return parent::parse($tag, '');
}
/**
* Using shorthand variation if enabled.
*
* @param array $tag
* @param string $content
* @return string
*/
public function parse(array $tag, $content)
{
$url = isset($tag['attributes']['href']) ? $tag['attributes']['href'] : $content;
$protocols = $this->getConfig('protocols');
$defaultProtocol = $this->getConfig('defaultProtocol');
$hasProtocol = preg_match('/^(' . implode('|', $protocols) . ')/i', $url);
if (!in_array($defaultProtocol, $protocols)) {
$defaultProtocol = 'http';
}
// Allow relative and absolute paths, else check protocols
if (!preg_match('/^(\\.\\.?)?\\//', $url)) {
if (!$hasProtocol) {
// Only allow if no protocol exists, just not the ones not in the list
if (preg_match('/^(?![a-z]+:\\/\\/)/', $url) && filter_var($defaultProtocol . '://' . $url, FILTER_VALIDATE_URL)) {
$url = $defaultProtocol . '://' . $url;
} else {
return $url;
}
}
// Return an invalid URL
if (!filter_var($url, FILTER_VALIDATE_URL)) {
return $url;
}
}
$tag['attributes']['href'] = $url;
if ($this->getParser()->getConfig('shorthandLinks')) {
$tag['content'] = $this->message('link');
return '[' . parent::parse($tag, $content) . ']';
}
return parent::parse($tag, $content);
}
/**
* Encrypt the email before parsing it within tags.
*
* @param array $tag
* @param string $content
* @return string
*/
public function parse(array $tag, $content)
{
if (empty($tag['attributes']['default'])) {
$email = $content;
$default = false;
} else {
$email = $tag['attributes']['default'];
$default = true;
}
// Return an invalid email
if (!filter_var($email, FILTER_VALIDATE_EMAIL)) {
return $content;
}
$encrypted = '';
if ($this->getConfig('encrypt')) {
$length = mb_strlen($email);
if ($length > 0) {
for ($i = 0; $i < $length; ++$i) {
$encrypted .= '&#' . ord(mb_substr($email, $i, 1)) . ';';
}
}
} else {
$encrypted = $email;
}
$tag['attributes']['href'] = 'mailto:' . $encrypted;
if ($this->getParser()->getConfig('shorthandLinks')) {
$tag['content'] = $this->message('mail');
return '[' . parent::parse($tag, $content) . ']';
}
if (!$default) {
$tag['content'] = $encrypted;
}
return parent::parse($tag, $content);
}
/**
* Custom build the HTML for audios.
*
* @param array $tag
* @param string $content
* @return string
*/
public function parse(array $tag, $content)
{
$size = mb_strtolower(isset($tag['attributes']['size']) ? $tag['attributes']['size'] : 'medium');
foreach ($this->_formats as $format) {
if (preg_match($format['pattern'], $content)) {
$tag['attributes']['width'] = $format[$size][0];
$tag['attributes']['height'] = $format[$size][1];
$tag['attributes']['player'] = $format['player'];
$tag['attributes']['url'] = preg_replace($format['pattern'], $format[$size][2], $content);
return parent::parse($tag, $content);
}
}
return '[url]' . $content . '[/url]';
}
/**
* Custom build the HTML for videos.
*
* @param array $tag
* @param string $content
* @return string
*/
public function parse(array $tag, $content)
{
$provider = isset($tag['attributes']['default']) ? $tag['attributes']['default'] : $tag['tag'];
$size = mb_strtolower(isset($tag['attributes']['size']) ? $tag['attributes']['size'] : 'medium');
if (empty($this->_formats[$provider])) {
return sprintf('(Invalid %s video code)', $provider);
}
$video = $this->_formats[$provider];
$size = isset($video[$size]) ? $video[$size] : $video['medium'];
$tag['attributes']['width'] = $size[0];
$tag['attributes']['height'] = $size[1];
$tag['attributes']['player'] = $video['player'];
$tag['attributes']['url'] = str_replace(array('{id}', '{width}', '{height}'), array($content, $size[0], $size[1]), $video['path']);
return parent::parse($tag, $content);
}
/**
* Use the content as the image source.
*
* @param array $tag
* @param string $content
* @return string
*/
public function parse(array $tag, $content)
{
// If more than 1 http:// is found in the string, possible XSS attack
if (mb_substr_count($content, 'http://') + mb_substr_count($content, 'https://') > 1) {
return null;
}
$tag['attributes']['src'] = $content;
if (!empty($tag['attributes']['default'])) {
list($width, $height) = explode('x', $tag['attributes']['default']);
$tag['attributes']['width'] = $width;
$tag['attributes']['height'] = $height;
}
if (empty($tag['attributes']['alt'])) {
$tag['attributes']['alt'] = '';
}
return parent::parse($tag, $content);
}