/**
* Get the next value. The value can be wrapped in quotes. The value can be empty.
*
* @param x A JSONTokener of the source text.
* @return The value string, or null if empty.
* @throws JSONException if the quoted string is badly formed.
*/
private static String getValue(JSONTokener x) throws JSONException {
char c;
do {
c = x.next();
} while (c <= ' ' && c != 0);
switch (c) {
case 0:
return null;
case '"':
case '\'':
return x.nextString(c);
case ',':
x.back();
return "";
default:
x.back();
return x.nextTo(',');
}
}
/**
* Produce a JSONArray of strings from a row of comma delimited values.
*
* @param x A JSONTokener of the source text.
* @return A JSONArray of strings.
* @throws JSONException
*/
public static JSONArray rowToJSONArray(JSONTokener x) throws JSONException {
JSONArray ja = new JSONArray();
for (; ; ) {
String value = getValue(x);
if (value == null) {
return null;
}
ja.put(value);
for (; ; ) {
char c = x.next();
if (c == ',') {
break;
}
if (c != ' ') {
if (c == '\n' || c == '\r' || c == 0) {
return ja;
}
throw x.syntaxError("Bad character '" + c + "' (" + (int) c + ").");
}
}
}
}