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}'.");
}
}
static void Convert(string inputPath, string outputPath)
{
Console.WriteLine($"Converting '{inputPath}' to '{outputPath}'...");
Stopwatch w = Stopwatch.StartNew();
using (Disposal disposal = new Disposal())
using (JsonReader reader = BuildReader(inputPath, disposal))
using (JsonWriter writer = BuildWriter(outputPath, disposal))
{
writer.WriteToken(reader);
}
Console.WriteLine($"Done in {w.Elapsed.TotalSeconds:n1}s; {ToSizeString(new FileInfo(inputPath).Length)} => {ToSizeString(new FileInfo(outputPath).Length)}");
}
static void Parse(string inputPath)
{
Console.WriteLine($"Timing Parse for '{inputPath}'...");
Stopwatch w = Stopwatch.StartNew();
using (Disposal disposal = new Disposal())
using (JsonReader reader = BuildReader(inputPath, disposal))
{
while (reader.Read())
{
}
}
Console.WriteLine($"Done in {w.Elapsed.TotalSeconds:n1}s; {ToSizeString(new FileInfo(inputPath).Length)}");
}
static SarifLog LoadSarif(string inputPath)
{
Console.WriteLine($"Timing load SARIF of '{inputPath}'...");
long memoryBefore = GC.GetTotalMemory(true);
Stopwatch w = Stopwatch.StartNew();
SarifLog log = null;
JsonSerializer serializer = new JsonSerializer();
using (Disposal disposal = new Disposal())
using (JsonReader reader = BuildReader(inputPath, disposal))
{
log = serializer.Deserialize <SarifLog>(reader);
}
w.Stop();
long memoryAfter = GC.GetTotalMemory(true);
Console.WriteLine($"Done in {w.Elapsed.TotalSeconds:n1}s; {ToSizeString(new FileInfo(inputPath).Length)} on disk; {ToSizeString((memoryAfter - memoryBefore))} in memory.");
return(log);
}