getEncoding();
$html = '';
foreach ($list as $title) {
$html .= '- ' . htmlspecialchars($title, ENT_COMPAT, $enc) . '
' . PHP_EOL;
}
$html .= '
' . PHP_EOL;
return $html;
}
/**
* @param array|\Traversable $list
* @param callable $renderFn
* @param array $options
*
* @return string
*/
public static function renderIteratorFn($list, $renderFn = null, array $options = array())
{
if (empty($list)) {
return '';
}
$options = array_merge([
'listTag' => 'ul',
'itemTag' => 'li',
'listAttribs' => [],
'itemAttribs' => [],
], $options);
$html = '<' . $options['listTag'] . self::renderAttribs($options['listAttribs']) . '>';
foreach ($list as $key => $value) {
$html .= '<' . $options['itemTag'] . self::renderAttribs($options['itemAttribs']) . '>'
. ($renderFn ? $renderFn($value, $key) : $value)
. '' . PHP_EOL;
}
$html .= '' . PHP_EOL;
return $html;
}
public static function renderLink($url, $text = null, array $attribs = [])
{
if (empty($text)) {
$text = $url;
}
$attribs['href'] = $url;
return self::renderContainer('a', $text, $attribs);
}
public static function renderAttribs(array $attribs)
{
$xhtml = '';
$enc = Qs_View::getInstance()->getEncoding();
foreach ((array) $attribs as $key => $val) {
$key = htmlspecialchars($key, ENT_COMPAT, $enc);
if (empty($val)) {
$xhtml .= ' ' . $key;
continue;
}
if (is_array($val)) {
if (array_key_exists('callback', $val)
&& is_callable($val['callback'])
) {
$val = call_user_func($val['callback']);
} else {
$val = implode(' ', $val);
}
}
$val = htmlspecialchars($val, ENT_COMPAT, $enc);
$xhtml .= " $key=\"$val\"";
}
return $xhtml;
}
/**
* @param $tags
*
* @param $content
* @param array $attribs
* @return string
*/
public static function renderContainer($tags, $content, array $attribs = [])
{
if (is_string($tags)) {
$tags = [['tag' => $tags]];
}
if (is_array($tags)) {
$tags = array_map(function ($value) {
if (is_array($value)) {
return $value;
}
return ['tag' => $value];
}, $tags);
}
$tags = array_reverse($tags);
$firstKey = key($tags);
if ($attribs && !array_key_exists('attribs', $tags[$firstKey])) {
$tags[$firstKey]['attribs'] = $attribs;
}
$xhtml = $content;
reset($tags);
foreach ($tags as $tag) {
$xhtml = '<' . $tag['tag'] . self::renderAttribs(Qs_Array::get($tag, 'attribs', [])) . '>'
. $xhtml
. '' . PHP_EOL;
}
return $xhtml;
}
public static function renderTag($tag, array $attribs = [])
{
return '<' . $tag . self::renderAttribs($attribs) . '/>' . PHP_EOL;
}
public static function renderStylesheetLink($href, $media = 'all')
{
$type = 'text/css';
$rel = 'stylesheet';
return self::renderTag('link', compact('href', 'media', 'type', 'rel'));
}
public static function toggleClass($class, $name, $display)
{
if ($display) {
return self::addClass($class, $name);
}
return self::removeClass($class, $name);
}
public static function removeClass($class, $name)
{
$parts = explode(' ', $class);
$parts = array_filter($parts, 'trim');
return implode(' ', Qs_Array::excludeValue($parts, $name));
}
public static function addClass($class, $name)
{
$parts = explode(' ', $class);
$parts = array_filter($parts, 'trim');
if (!in_array($name, $parts)) {
$parts[] = $name;
}
return implode(' ', $parts);
}
public static function template($html, array $placeholders)
{
$html = Qs_String::fill($html, $placeholders);
if (false === strpos($html, 'data-st-if')) {
return $html;
}
$dom = new DOMDocument();
if (false === $dom->loadHTML($html)) {
return $html;
}
$xpath = new DomXpath($dom);
$list = $xpath->query('//*[@data-st-if]');
/** @var \DOMElement $node */
foreach ($list as $node) {
$value = $node->attributes->getNamedItem('data-st-if')->value;
$node->removeAttribute('data-st-if');
$node->removeAttribute('data-st-comment');
if ($value) {
$value = htmlspecialchars_decode($value);
$revert = false;
if ('!' === $value[0]) {
$revert = true;
$value = substr($value, 1);
}
if ($revert !== empty($placeholders[$value])) {
$node->parentNode->removeChild($node);
}
}
}
// remove automatically added tags: "doctype", "html", "body"
$html = preg_replace('~<(?:!DOCTYPE|/?(?:html|body))[^>]*>\s*~i', '', $dom->saveHTML());
return $html;
}
}