/**
* http Content-Type
* @param string $value meta value
* @param mixed $attr Extra attributes
* @return array Tag data
*/
protected static function _contentType($value, $attrs = array())
{
if (false === strpos($value, 'charset')) {
if ($data = HeadsContainer::get('meta', '_charset')) {
$value = trim($value, ' ;') . '; charset=' . $data[0]['attrs']['charset'];
}
}
$attrs['http-equiv'] = 'Content-Type';
$attrs['content'] = $value;
return self::data(__FUNCTION__, $attrs);
}
/**
* Get duplicate value
* @param string $category Container category name
* @param string $key Container key name
* @param array $attr Extra attributes
* @param mixed $value If array to string
* @return array
*/
protected static function duplicate($category, $key, $attr, $value)
{
$key = self::key($key);
if (is_string($value)) {
$value = str_replace(array(' ,', ', '), ',', $value);
$value = explode(',', $value);
}
if ($datas = HeadsContainer::get($category, $key)) {
$current = $datas[0]['attrs'][$attr];
$current = explode(',', $current);
$value = array_merge($current, $value);
}
$value = array_filter($value);
$value = array_unique($value);
$value = implode(',', $value);
return $value;
}
/**
* Get head html
* @param array $options Build option
* @return string heads HTML
*/
public static function html(array $options = array())
{
$datas = HeadsContainer::datas();
$htmls = array();
// charset is always on top
if ($charset = HeadsContainer::get('meta', 'charset')) {
$attr = array();
foreach ($charset[0]['attrs'] as $name => $val) {
$attr[] = $name . '="' . htmlspecialchars($val, ENT_QUOTES) . '"';
}
$htmls['charset'][] = '<' . $charset[0]['tag'] . ' ' . implode(' ', $attr) . '>';
}
foreach ($datas as $type => $values) {
$htmls[$type] = array();
foreach ($values as $key => $rows) {
// charset is always on top
if ('meta' === $type && 'charset' === $key) {
continue;
}
foreach ($rows as $row) {
$attr = array();
foreach ($row['attrs'] as $name => $val) {
if (!is_scalar($val)) {
$attr[] = $name . '=""';
} else {
$attr[] = $name . '="' . htmlspecialchars($val, ENT_QUOTES) . '"';
}
}
$htmls[$type][] = '<' . $row['tag'] . ' ' . implode(' ', $attr) . '>';
}
}
}
if (empty($htmls)) {
return;
}
$indent = self::option('indent');
if (!empty($options['indent'])) {
$indent = $options['indent'];
}
$break = self::option('break');
if (!empty($options['break'])) {
$break = $options['break'];
}
$html = $break;
foreach (array_merge(array('charset'), self::option('order')) as $type) {
if (!empty($htmls[$type])) {
$html .= $indent . implode($break . $indent, $htmls[$type]) . $break;
}
}
return $html;
}