/**
* Registers tag within a library handled
* by this naive if template node.
*
* @static
* @param Library $lib
* @param string $tag_name
* @param Closure $condition
*/
public static function registerAsTag($lib, $tag_name, $condition)
{
$class = get_called_class();
$lib->tag($tag_name, function ($parser, $token) use($tag_name, $condition, $class) {
/**
* @var Parser $parser
* @var Token $token
*/
$bits = py_str_split($token->contents);
$nodelist_true = $parser->parse(array('else', 'end' . $tag_name));
$token = $parser->nextToken();
if ($token->contents == 'else') {
$nodelist_false = $parser->parse(array('end' . $tag_name));
$parser->deleteFirstToken();
} else {
$nodelist_false = new NodeList();
}
$values = array();
foreach (py_slice($bits, 1) as $bit) {
$values[] = $parser->compileFilter($bit);
}
return new $class($nodelist_true, $nodelist_false, $values, $condition);
});
}
return $this->renderTemplate($template, $context);
} catch (Exception $e) {
if (Dja::getSetting('TEMPLATE_DEBUG')) {
throw $e;
}
return '';
}
}
}
$lib = new Library();
$lib->tag('block', function ($parser, $token) {
/**
* @var Parser $parser
* @var Token $token
*/
$bits = py_str_split($token->contents);
if (count($bits) != 2) {
throw new TemplateSyntaxError('\'block\' tag takes only one argument');
}
$block_name = $bits[1];
// Keep track of the names of BlockNodes found in this template, so we can check for duplication.
if (property_exists($parser, '__loaded_blocks')) {
if (isset($parser->__loaded_blocks[$block_name])) {
throw new TemplateSyntaxError('\'block\' tag with name \'' . $block_name . '\' appears more than once');
}
$parser->__loaded_blocks[] = $block_name;
} else {
// parser.__loaded_blocks isn't a list yet
$parser->__loaded_blocks = array($block_name);
}
$nodelist = $parser->parse(array('endblock'));
/**
* Truncates a string after a certain number of words.
*
* Newlines in the string will be stripped.
*
* @param $length
* @param $truncate
*
* @return string
*/
private function _text_words($length, $truncate)
{
$words = py_str_split($this->_wrapped);
if (count($words) > $length) {
$words = py_slice($words, null, $length);
return self::add_truncation_text(join(' ', $words), $truncate);
}
return join(' ', $words);
}
/**
* @param null|array $parse_until
*
* @return NodeList
* @throws TemplateSyntaxError
*/
public function parse($parse_until = null)
{
if ($parse_until === null) {
$parse_until = array();
}
$nodelist = $this->createNodelist();
while ($this->tokens) {
$token = $this->nextToken();
// Use the raw values here for TOKEN_* for a tiny performance boost.
if ($token->token_type == 0) {
// TOKEN_TEXT
$this->extendNodelist($nodelist, new TextNode($token->contents), $token);
} elseif ($token->token_type == 1) {
// TOKEN_VAR
if (!$token->contents) {
$this->emptyVariable($token);
}
$filter_expression = $this->compileFilter($token->contents);
$var_node = $this->createVariableNode($filter_expression);
$this->extendNodelist($nodelist, $var_node, $token);
} elseif ($token->token_type == 2) {
// TOKEN_BLOCK
$command = null;
$command_ = py_str_split($token->contents);
if (isset($command_[0])) {
$command = $command_[0];
} else {
$this->emptyBlockTag($token);
}
unset($command_);
if (in_array($command, $parse_until)) {
// Put token back on token list so calling code knows why it terminated.
$this->prependToken($token);
return $nodelist;
}
// Execute callback function for this tag and append resulting node.
$this->enterCommand($command, $token);
if (isset($this->tags[$command])) {
/** @var $compile_func Closure */
$compile_func = $this->tags[$command];
} else {
$this->invalidBlockTag($token, $command, $parse_until);
}
try {
/** @var $compiled_result Node */
$compiled_result = $compile_func($this, $token);
} catch (TemplateSyntaxError $e) {
if (!$this->compileFunctionError($token, $e)) {
throw $e;
}
}
$this->extendNodelist($nodelist, $compiled_result, $token);
$this->exitCommand();
}
}
if ($parse_until) {
$this->unclosedBlockTag($parse_until);
}
return $nodelist;
}
return mark_safe(str_replace("\n", '<br />', $value));
}, array('is_safe' => True, 'needs_autoescape' => True));
//stringfilter
$lib->filter('safe', function ($value) {
return mark_safe($value);
}, array('is_safe' => True));
$lib->filter('safeseq', function ($value) {
$s_ = array();
foreach ($value as $i_) {
$s_[] = mark_safe($i_);
}
return $s_;
}, array('is_safe' => True));
//stringfilter
$lib->filter('removetags', function ($value, $tags) {
$tags_ = py_str_split($tags);
$tags = array();
foreach ($tags_ as $tag) {
$tags[] = preg_quote($tag);
}
$tags = $tags_;
unset($tags_);
$tags_re = '(' . join('|', $tags) . ')';
$starttag_re = '~<' . $tags_re . '(/?>|(\\s+[^>]*>))~u';
$endtag_re = '~</' . $tags_re . '>~';
$value = preg_replace($starttag_re, '', $value);
$value = preg_replace($endtag_re, '', $value);
return $value;
}, array('is_safe' => True));
//stringfilter
$lib->filter('striptags', function ($value) {