public Token next(boolean skipWhitespace) {
int from = reader.position();
int ch = read();
switch (ch) {
case '{':
token = Token.create(Token.Type.OBJECT_START, reader, from, reader.position());
break;
case '}':
token = Token.create(Token.Type.OBJECT_END, reader, from, reader.position());
break;
case '[':
token = Token.create(Token.Type.ARRAY_START, reader, from, reader.position());
break;
case ']':
token = Token.create(Token.Type.ARRAY_END, reader, from, reader.position());
break;
case ':':
token = Token.create(Token.Type.COLON, reader, from, reader.position());
break;
case ',':
token = Token.create(Token.Type.COMMA, reader, from, reader.position());
break;
default:
if (isWhitespaceStart(ch)) {
readWhitespace();
token = Token.create(Token.Type.WS, reader, from, reader.position());
} else if (isStringStart(ch)) {
readString();
token = Token.create(Token.Type.STRING, reader, from, reader.position());
} else if (isNullStart(ch)) {
readNull();
token = Token.create(Token.Type.NULL, reader, from, reader.position());
} else if (isTrueStart(ch)) {
readTrue();
token = Token.create(Token.Type.TRUE, reader, from, reader.position());
} else if (isFalseStart(ch)) {
readFalse();
token = Token.create(Token.Type.FALSE, reader, from, reader.position());
} else if (isNumberStart(ch)) {
readNumber();
token = Token.create(Token.Type.NUMBER, reader, from, reader.position());
} else if (ch == -1) {
token = Token.create(Token.Type.EOF, reader, from, reader.position());
} else {
throw new RuntimeException("Invalid Json Data\n" + reader.toString());
}
}
while (skipWhitespace && Token.Type.WS.equals(token.type)) {
token = next();
}
return token;
}
