static JsonWriter BuildWriter(string filePath, Disposal disposal)
{
string extension = Path.GetExtension(filePath).ToLowerInvariant();
Stream outStream = disposal.Add(File.Create(filePath));
switch (extension)
{
case ".zip":
outStream = disposal.Add(new DeflateStream(outStream, CompressionMode.Compress));
extension = Path.GetExtension((filePath.Substring(0, filePath.Length - ".zip".Length))).ToLowerInvariant();
break;
case ".lz4":
outStream = disposal.Add(LZ4Stream.Encode(outStream, LZ4Level.L09_HC));
extension = Path.GetExtension((filePath.Substring(0, filePath.Length - ".lz4".Length))).ToLowerInvariant();
break;
}
switch (extension)
{
case ".json":
case ".sarif":
return(disposal.Add(new JsonTextWriter(disposal.Add(new StreamWriter(outStream)))));
case ".bson":
return(disposal.Add(new BsonDataWriter(outStream)));
case ".bion":
return(disposal.Add(new BionDataWriter(outStream)));
default:
throw new NotImplementedException($"Don't know writer type for file extension '{extension}'.");
}
}
static JsonReader BuildReader(string filePath, Disposal disposal)
{
string extension = Path.GetExtension(filePath).ToLowerInvariant();
Stream inStream = disposal.Add(File.OpenRead(filePath));
switch (extension)
{
case ".zip":
inStream = disposal.Add(new DeflateStream(inStream, CompressionMode.Decompress));
extension = Path.GetExtension((filePath.Substring(0, filePath.Length - ".zip".Length))).ToLowerInvariant();
break;
case ".lz4":
inStream = disposal.Add(LZ4Stream.Decode(inStream));
extension = Path.GetExtension((filePath.Substring(0, filePath.Length - ".lz4".Length))).ToLowerInvariant();
break;
}
switch (extension)
{
case ".json":
case ".sarif":
return(disposal.Add(new JsonTextReader(disposal.Add(new StreamReader(inStream)))));
case ".bson":
return(disposal.Add(new BsonDataReader(inStream)));
case ".bion":
return(disposal.Add(new BionDataReader(inStream)));
default:
throw new NotImplementedException($"Don't know reader type for file extension '{extension}'.");
}
}