/**
* Construct a JSONArray from a JSONTokener.
* @param x A JSONTokener
* @exception Json.InvalidJsonException A JSONArray must start with '['
* @exception Json.InvalidJsonException Expected a ',' or ']'
*/
public JSONArray(JSONTokener x)
: this()
{
if (x.nextClean() != '[')
throw x.syntaxError("A JSONArray must start with '['");
if (x.nextClean() == ']')
return;
x.back();
while (true) {
if (x.nextClean() == ',') {
x.back();
myArrayList.Add(null);
} else {
x.back();
myArrayList.Add(x.nextValue());
}
switch (x.nextClean()) {
case ',':
if (x.nextClean() == ']'){
if((x.getOptions() & JSONObject.OPTION_TRAILING_COMMAS)==0){
// 2013-05-24 -- Peter O. Disallow trailing comma.
throw x.syntaxError("Trailing comma");
} else {
return;
}
}
x.back();
break;
case ']':
return;
default:
throw x.syntaxError("Expected a ',' or ']'");
}
}
}
/**
* Construct a JSONObject from a JSONTokener.
* @param x A JSONTokener _object containing the source _string.
* @ if there is a syntax error in the source _string.
*/
public JSONObject(JSONTokener x)
: this()
{
int c;
string key;
if (x.next() == '%') {
x.unescape();
}
x.back();
if (x.nextClean() != '{')
throw x.syntaxError("A JSONObject must begin with '{'");
while (true) {
addCommentIfAny(x);
c = x.nextClean();
switch (c) {
case -1:
throw x.syntaxError("A JSONObject must end with '}'");
case '}':
return;
default:
x.back();
addCommentIfAny(x);
key = x.nextValue().ToString();
if((x.getOptions() & OPTION_NO_DUPLICATES)!=0 &&
myHashMap.ContainsKey(key)){
throw x.syntaxError("Key already exists: "+key);
}
break;
}
addCommentIfAny(x);
if (x.nextClean() != ':')
throw x.syntaxError("Expected a ':' after a key");
// NOTE: Will overwrite existing value. --Peter O.
addCommentIfAny(x);
myHashMap.Add(key, x.nextValue());
addCommentIfAny(x);
switch (x.nextClean()) {
case ',':
addCommentIfAny(x);
if (x.nextClean() == '}'){
if((x.getOptions() & OPTION_TRAILING_COMMAS)==0){
// 2013-05-24 -- Peter O. Disallow trailing comma.
throw x.syntaxError("Trailing comma");
} else {
return;
}
}
x.back();
break;
case '}':
return;
default:
throw x.syntaxError("Expected a ',' or '}'");
}
}
}