protected function parseCode($code)
{
$this->length = strlen($code);
for ($i = 0; $i < $this->length; $i++) {
switch ($code[$i]) {
case '{':
//handle sub-scopes
$this->segments[] = '{';
$subScope = new JsScope(substr($code, $i + 1));
$this->segments[] = $subScope;
$i += $subScope->getLength() + 1;
$this->segments[] = '}';
break;
case '}':
$this->length = $i;
$this->removeLastSemicolon();
$this->removeLastSpace();
break;
case '(':
$this->segments[] = '(';
$subScope = new JsScope(substr($code, $i + 1));
$this->segments[] = $subScope;
$i += $subScope->getLength() + 1;
$this->segments[] = ')';
break;
case ')':
$this->length = $i;
$this->removeLastSpace();
break;
case "'":
//handle strings
$string = new JsString(substr($code, $i), "'");
$this->segments[] = $string;
$i += $string->getLength() - 1;
break;
case '"':
$string = new JsString(substr($code, $i), '"');
$this->segments[] = $string;
$i += $string->getLength() - 1;
break;
case '/':
//handle comments
$comment = new JsComment(substr($code, $i));
if ($comment->isComment()) {
$i += $comment->getLength() - 1;
break;
} else {
$lastChar = end($this->segments);
if (ctype_space($lastChar) || in_array($lastChar, [',', ';', '='])) {
$regex = new JsRegex(substr($code, $i));
$this->segments[] = $regex;
$i += $regex->getLength() - 1;
break;
}
}
// no break
// no break
case 'f':
if (substr($code, $i, 3) == 'for' && (ctype_space($code[3]) || $code[3] == '(')) {
$conditionStart = strpos($code, '(', $i + 3);
$i = $conditionStart - 1;
$this->segments[] = 'for';
break;
} elseif (substr($code, $i, 8) == 'function' && (ctype_space($code[8]) || $code[8] == '(')) {
$function = new JsFunction(substr($code, $i));
$this->segments[] = $function;
$i += $function->getLength() - 1;
break;
}
// no break
// no break
case 'i':
if (substr($code, $i, 2) == 'if' && (ctype_space($code[2]) || $code[2] == '(')) {
$conditionStart = strpos($code, '(', $i + 2);
$i = $conditionStart - 1;
$this->segments[] = 'if';
break;
}
// no break
// no break
case 'w':
if (substr($code, $i, 5) == 'while' && (ctype_space($code[5]) || $code[5] == '(')) {
$conditionStart = strpos($code, '(', $i + 5);
$i = $conditionStart - 1;
$this->segments[] = 'while';
break;
}
// no break
// no break
default:
if (ctype_space($code[$i])) {
//avoid pointless whitespaces
$lastChar = end($this->segments);
if (is_string($lastChar) && !ctype_space($lastChar) && !in_array($lastChar, self::$jsNoSpaceBehindChars, true)) {
$this->segments[] = ' ';
}
} else {
$lastChar = end($this->segments);
if (!$lastChar || ctype_space($lastChar) || in_array($lastChar, self::$jsNoSpaceBehindChars, true) && !in_array($code[$i], JsVariable::$jsVariableDelimiters, true)) {
$variable = new JsVariable(substr($code, $i));
if ($variable->isKeyword()) {
$this->segments[] = $variable->__toString();
$i += $variable->getLength() - 1;
} elseif ($variable->isFunctionCall()) {
$this->segments[] = $variable;
$i += $variable->getLength() - 1;
} else {
$this->segments[] = $variable;
$i += $variable->getLength() - 1;
}
} else {
$this->segments[] = $code[$i];
}
}
break;
}
}
}
