Review

finding-16

/mubench/checkouts/asterisk-java/304421c/build/src/main/java/org/asteriskjava/fastagi/internal/AgiReplyImpl.java

parseAttributes(String)

class AgiReplyImpl {
    Map<String, String> parseAttributes(String s)
    {
        StringBuilder keyBuilder = new StringBuilder();
        StringBuilder valueBuilder = new StringBuilder();
        Map<String, String> map = new HashMap<String, String>();

        boolean inKey = true;
        boolean inQuotes = false;
        char previousChar = 0x0;
        for (int i = 0; i < s.length(); i++)
        {
            char c = s.charAt(i);
            if (c == '=' && inKey)
            {
                inKey = false;
                inQuotes = false;
            }
            else if ((c == ' ' && !inKey && !inQuotes))
            {
                map.put(keyBuilder.toString().toLowerCase(Locale.ENGLISH), valueBuilder.toString());
                keyBuilder.delete(0, keyBuilder.length());
                valueBuilder.delete(0, valueBuilder.length());
                inKey = true;
            }
            else if (c == '"' && !inKey)
            {
                if (previousChar == '\\')
                {
                    valueBuilder.deleteCharAt(valueBuilder.length() - 1);
                    valueBuilder.append(c);
                }
                else
                {
                    inQuotes = !inQuotes;
                }
            }
            else
            {
                if (inKey)
                {
                    keyBuilder.append(c);
                }
                else
                {
                    valueBuilder.append(c);
                }
            }

            previousChar = c;
        }

        if (keyBuilder.length() > 0)
        {
            map.put(keyBuilder.toString().toLowerCase(Locale.ENGLISH), valueBuilder.toString());
        }
        return map;
    }

}