function enterSnipCaller(SnipCaller $node)
{
while (($next = $node->getNextSibling()) instanceof PlaceholderValue) {
$node->addChild($next);
}
$mustValueType = false;
if ($node->hasChilds()) {
foreach ($node->getChilds() as $child) {
if ($child instanceof PlaceholderValue) {
$mustValueType = true;
} else {
if ($mustValueType) {
throw new SyntaxErrorException('if one placeholdervalue child exists, all children of SnipCaller must be placeholdervalue');
}
}
}
}
}
protected function parseSnipCallerAttributes(SnipCaller $node)
{
$normal_attributes = array();
$named_attributes = array();
foreach ($node->getAttributes() as $attr) {
$name = $attr->getName();
if ($name instanceof Text) {
// (n=3) -> n
// (title) -> title
$name_content = $name->getContent();
} elseif ($name instanceof InterpolatedString) {
// @title{"desc"=>"text snip"}
$name_content = $this->parseInterpolatedString($name);
} elseif (is_null($name)) {
// (#{1+1}) this is value of type Insert
// {"abc"} this is value of InterpolatedString
} else {
throw new SnipCallerAttriSyntaxException(sprintf('attri value should be must be an instance of InterpolatedString or Text or be ignored , instance of %s given', get_class($value)));
}
$value = $attr->getValue();
if (is_null($value)) {
$normal_attributes[] = $name_content;
continue;
} elseif ($value instanceof InterpolatedString) {
// (number="3") (class="ord-#{1+1}") {"ok"}
$value_content = $this->parseInterpolatedString($value);
if (is_null($name)) {
$normal_attributes[] = $value_content;
continue;
}
} else {
throw new SnipCallerAttriSyntaxException(sprintf('attri value should be must be an instance of InterpolatedString , instance of %s given', get_class($value)));
}
$named_attributes[$name_content] = $value_content;
}
return array($normal_attributes, $named_attributes);
}
protected function parseSnipCaller($buf)
{
$regex = '/
@(?P<snip_name>\\w+) # snip name ( @snipname )
/xA';
if ($buf->match($regex, $match)) {
$snip_name = $match['snip_name'];
$attributes = $this->parseSnipCallerAttributes($buf);
$node = new SnipCaller($match['pos'][0], $snip_name, $this->env->currentMoreEnv, $attributes);
$buf->skipWs();
if (null !== ($nested = $this->parseStatement($buf))) {
$node->setContent($nested);
}
return $node;
}
}
