static JsonArray ParseArray(ReadControl control)
{
JsonArray array = new JsonArray();
JsonElement currentValue = null;
bool valueAdded = false;
while (control.Read() != ']')
{
if (ParserLookup.TryGetValue(control.CurrentCharacter, out Func <ReadControl, JsonElement> parser))
{
currentValue = parser.Invoke(control);
}
else
{
switch (control.CurrentCharacter)
{
case '\0':
throw new UnexpectedEndException();
case ':':
throw new UnexpectedTokenException();
case ',':
if (!valueAdded)
{
throw new UnexpectedTokenException();
}
valueAdded = false;
break;
default:
if (CanParseNumber(control.CurrentCharacter))
{
currentValue = ParseNumber(control);
}
break;
}
}
if (currentValue != null)
{
array.Add(currentValue);
currentValue = null;
valueAdded = true;
}
}
return(array);
}
static JsonObject ParseObject(ReadControl control)
{
var obj = new JsonObject();
JsonString currentKey = null;
JsonElement currentValue = null;
bool pairAdded = false;
while (control.Read() != '}')
{
if (ParserLookup.TryGetValue(control.CurrentCharacter, out Func <ReadControl, JsonElement> parser))
{
currentValue = parser.Invoke(control);
}
else
{
switch (control.CurrentCharacter)
{
case '\0':
throw new UnexpectedEndException();
case ':':
if (currentKey == null)
{
throw new UnexpectedTokenException();
}
break;
case ',':
if (!pairAdded)
{
throw new UnexpectedTokenException();
}
pairAdded = false;
break;
default:
if (CanParseNumber(control.CurrentCharacter))
{
currentValue = ParseNumber(control);
}
break;
}
}
if (currentValue != null)
{
if (currentKey == null)
{
currentKey = currentValue as JsonString ?? throw new InvalidKeyException();
}
else
{
if (obj.ContainsKey(currentKey))
{
switch (control.Options.DuplicateKeyBehaviour)
{
case DuplicateKeyBehaviour.Overwrite:
obj[currentKey] = currentValue;
break;
case DuplicateKeyBehaviour.Ignore:
// We do nothing, as the value for the key will remain unchanged.
break;
case DuplicateKeyBehaviour.ThrowException:
default:
throw new DuplicateKeyException(currentKey);
}
}
else
{
obj.Add(currentKey, currentValue);
}
currentKey = null;
pairAdded = true;
}
currentValue = null;
}
}
return(obj);
}
public void SetUp()
{
_subject = new ParserLookup();
}
