private static function getAttributes($block)
{
$result = array();
$state = State::START;
for ($i = 0, $len = strlen($block); $i < $len; $i++) {
$c = $block[$i];
switch ($state) {
case State::START:
$state = Lexer::isAttributesListStart($c) ? State::ATTRNAME : State::ERROR;
$attrName = '';
$attrVal = null;
break;
case State::ATTRNAME:
if (Lexer::isSpace($c)) {
continue;
}
$p = self::getName($block, $len, $i);
if ($p == -1) {
$state = State::ERROR;
} else {
$attrName = substr($block, $i, $p);
$i += $p - 1;
$state = State::ATTRSEPARATOR;
}
break;
case State::ATTRSEPARATOR:
if (Lexer::isSpace($c)) {
continue;
}
if (Lexer::isAttributeValueSeparator($c)) {
$state = State::ATTRVALUE;
}
break;
case State::ATTRVALUE:
if (Lexer::isSpace($c)) {
continue;
}
if (Lexer::isPairingSymbol($c)) {
$p = self::getBraketsBlock($block, $len, $i, $c);
if ($p == -1) {
$state = State::ERROR;
} else {
$val = substr($block, $i, $p);
$attrVal = $val[0] == "'" ? substr($val, 1, -1) : json_decode($val);
$i += $p - 1;
$state = State::ATTRDONE;
}
} else {
// Dirty but effective way
$attrVal = strtok(substr($block, $i), ' ,)');
$i += strlen($attrVal) - 1;
$state = State::ATTRDONE;
}
break;
case State::ATTRDONE:
if (!empty($attrName)) {
$result[$attrName] = $attrVal;
}
$attrName = '';
$attrVal = null;
if (Lexer::isComma($c)) {
$state = State::ATTRNAME;
}
if (Lexer::isAttributesListEnd($c)) {
return $result;
}
break;
case State::ERROR:
default:
throw new RuntimeException("Wrong state: {$state}");
}
}
return $result;
}