/**
* Process handlebars section style
*
* @param Context $context current context
* @param array $current section node data
*
* @return mixed|string
*/
private function _handlebarsStyleSection(Context $context, $current)
{
$helpers = $this->handlebars->getHelpers();
$sectionName = $current[Tokenizer::NAME];
if (isset($current[Tokenizer::END])) {
$source = substr($this->getSource(), $current[Tokenizer::INDEX], $current[Tokenizer::END] - $current[Tokenizer::INDEX]);
} else {
$source = '';
}
// subexpression parsing loop
$subexprs = array();
// will contain all subexpressions inside outermost brackets
$insideOf = array('single' => false, 'double' => false);
$lvl = 0;
$cur_start = 0;
for ($i = 0; $i < strlen($current[Tokenizer::ARGS]); $i++) {
$cur = substr($current[Tokenizer::ARGS], $i, 1);
if ($cur == "'") {
$insideOf['single'] = !$insideOf['single'];
}
if ($cur == '"') {
$insideOf['double'] = !$insideOf['double'];
}
if ($cur == '(' && !$insideOf['single'] && !$insideOf['double']) {
if ($lvl == 0) {
$cur_start = $i + 1;
}
$lvl++;
continue;
}
if ($cur == ')' && !$insideOf['single'] && !$insideOf['double']) {
$lvl--;
if ($lvl == 0) {
$subexprs[] = substr($current[Tokenizer::ARGS], $cur_start, $i - $cur_start);
}
}
}
if (!empty($subexprs)) {
foreach ($subexprs as $expr) {
$cmd = explode(" ", $expr);
$name = trim($cmd[0]);
// construct artificial section node
$section_node = array(Tokenizer::TYPE => Tokenizer::T_ESCAPED, Tokenizer::NAME => $name, Tokenizer::OTAG => $current[Tokenizer::OTAG], Tokenizer::CTAG => $current[Tokenizer::CTAG], Tokenizer::INDEX => $current[Tokenizer::INDEX], Tokenizer::ARGS => implode(" ", array_slice($cmd, 1)));
// resolve the node recursively
$resolved = addcslashes($this->_handlebarsStyleSection($context, $section_node), '"');
// replace original subexpression with result
$current[Tokenizer::ARGS] = str_replace('(' . $expr . ')', '"' . $resolved . '"', $current[Tokenizer::ARGS]);
}
}
$return = $helpers->call($sectionName, $this, $context, $current[Tokenizer::ARGS], $source);
if ($return instanceof String) {
return $this->handlebars->loadString($return)->render($context);
} else {
return $return;
}
}
/**
* Process section nodes
*
* @param Context $context current context
* @param array $current section node data
*
* @throws \RuntimeException
* @return string the result
*/
private function _section(Context $context, $current)
{
$helpers = $this->handlebars->getHelpers();
$sectionName = $current[Tokenizer::NAME];
if ($helpers->has($sectionName)) {
if (isset($current[Tokenizer::END])) {
$source = substr($this->getSource(), $current[Tokenizer::INDEX], $current[Tokenizer::END] - $current[Tokenizer::INDEX]);
} else {
$source = '';
}
$params = array($this, $context, $current[Tokenizer::ARGS], $source);
$return = call_user_func_array($helpers->{$sectionName}, $params);
if ($return instanceof String) {
return $this->handlebars->loadString($return)->render($context);
} else {
return $return;
}
} elseif (trim($current[Tokenizer::ARGS]) == '') {
// fallback to mustache style each/with/for just if there is
// no argument at all.
try {
$sectionVar = $context->get($sectionName, true);
} catch (\InvalidArgumentException $e) {
throw new \RuntimeException($sectionName . ' is not registered as a helper');
}
$buffer = '';
if (is_array($sectionVar) || $sectionVar instanceof \Traversable) {
foreach ($sectionVar as $index => $d) {
$context->pushIndex($index);
$context->push($d);
$buffer .= $this->render($context);
$context->pop();
$context->popIndex();
}
} elseif (is_object($sectionVar)) {
//Act like with
$context->push($sectionVar);
$buffer = $this->render($context);
$context->pop();
} elseif ($sectionVar) {
$buffer = $this->render($context);
}
return $buffer;
} else {
throw new \RuntimeException($sectionName . ' is not registered as a helper');
}
}
/**
* Process handlebars section style
*
* @param Handlebars_Context $context current context
* @param array $current section node data
*
* @return {mixed|string}
*/
private function _handlebarsStyleSection(Handlebars_Context $context, $current)
{
$helpers = $this->handlebars->getHelpers();
$sectionName = $current[Handlebars_Tokenizer::NAME];
if (isset($current[Handlebars_Tokenizer::END])) {
$source = substr($this->getSource(), $current[Handlebars_Tokenizer::INDEX], $current[Handlebars_Tokenizer::END] - $current[Handlebars_Tokenizer::INDEX]);
} else {
$source = '';
}
// subexpression parsing loop
$subexprs = array();
// will contain all subexpressions inside outermost brackets
$insideOf = array('single' => false, 'double' => false);
$lvl = 0;
$cur_start = 0;
for ($i = 0; $i < strlen($current[Handlebars_Tokenizer::ARGS]); $i++) {
$cur = substr($current[Handlebars_Tokenizer::ARGS], $i, 1);
if ($cur == "'") {
$insideOf['single'] = !$insideOf['single'];
}
if ($cur == '"') {
$insideOf['double'] = !$insideOf['double'];
}
if ($cur == '(' && !$insideOf['single'] && !$insideOf['double']) {
if ($lvl == 0) {
$cur_start = $i + 1;
}
$lvl++;
continue;
}
if ($cur == ')' && !$insideOf['single'] && !$insideOf['double']) {
$lvl--;
if ($lvl == 0) {
$subexprs[] = substr($current[Handlebars_Tokenizer::ARGS], $cur_start, $i - $cur_start);
}
}
}
if (!empty($subexprs)) {
foreach ($subexprs as $expr) {
$cmd = explode(" ", $expr);
$name = trim($cmd[0]);
// construct artificial section node
$section_node = array(Handlebars_Tokenizer::TYPE => Handlebars_Tokenizer::T_ESCAPED, Handlebars_Tokenizer::NAME => $name, Handlebars_Tokenizer::OTAG => $current[Handlebars_Tokenizer::OTAG], Handlebars_Tokenizer::CTAG => $current[Handlebars_Tokenizer::CTAG], Handlebars_Tokenizer::INDEX => $current[Handlebars_Tokenizer::INDEX], Handlebars_Tokenizer::ARGS => implode(" ", array_slice($cmd, 1)));
// resolve the node recursively
$resolved = addcslashes($this->_handlebarsStyleSection($context, $section_node), '"');
// replace original subexpression with result
$current[Handlebars_Tokenizer::ARGS] = str_replace('(' . $expr . ')', '"' . $resolved . '"', $current[Handlebars_Tokenizer::ARGS]);
}
}
$pattern = '/(([A-Z][A-Z0-9]*)=)|(true|false|([0-9\\.]+)|(["]).*?([^\\\\]["]))/i';
preg_match_all($pattern, $current[Handlebars_Tokenizer::ARGS], $matches);
$args = array();
$m = $matches[0];
$c = count($m);
for ($i = 0; $i < $c; ++$i) {
if (substr($m[$i], -1) === '=') {
$key = substr($m[$i], 0, strlen($m[$i]) - 1);
$args['hash'][$key] = json_decode($m[$i + 1], true);
++$i;
} else {
$args[] = json_decode($m[$i], true);
}
}
$return = $helpers->call($sectionName, $this, $context, $args, $source);
if ($return instanceof Handlebars_String) {
return $this->handlebars->loadString($return)->render($context);
} else {
return $return;
}
}
