public JFileFieldType MoveToNext()
{
switch (state)
{
case JReaderState.New:
state = JReaderState.InProgress;
break;
case JReaderState.InProgress:
break;
case JReaderState.Finished:
throw new Exception("The reader already finished reading the json object.");
default:
throw new Exception("Invalid reader state.");
}
try
{
bool success = MoveToNextProperty();
CurrentPropertyType = success
? JsonTextReader.Value switch
{
"n" => JFileFieldType.FileName,
"s" => JFileFieldType.FileSize,
"m" => JFileFieldType.LastModifiedTime,
"h" => JFileFieldType.Hash,
_ => throw new Exception("Invalid field in file object.")
}
: JFileFieldType.None;
return(CurrentPropertyType);
}
private static JFileFields ReadAllFieldsFrom(string json)
{
using StringReader stringReader = new StringReader(json);
using JsonTextReader jsonTextReader = new JsonTextReader(stringReader);
jsonTextReader.Read();
JFileFields fields = new JFileFields();
JFileReader jFileReader = new JFileReader(jsonTextReader);
while (true)
{
JFileFieldType fieldType = jFileReader.MoveToNext();
if (fieldType == JFileFieldType.None)
{
break;
}
switch (fieldType)
{
case JFileFieldType.None:
break;
case JFileFieldType.FileName:
fields.FileName = jFileReader.ReadName();
break;
case JFileFieldType.FileSize:
fields.FileSize = jFileReader.ReadSize();
break;
case JFileFieldType.LastModifiedTime:
fields.LastModifiedTime = jFileReader.ReadLastModifiedTime();
break;
case JFileFieldType.Hash:
fields.FileHash = jFileReader.ReadHash();
break;
default:
throw new ArgumentOutOfRangeException();
}
}
return(fields);
}
