public static bool Read(PeepingTomStream stream, UnmanagedJsonParser parser, JsonParserState state, JsonOperationContext.ManagedPinnedBuffer buffer)
{
while (parser.Read() == false)
{
var read = stream.Read(buffer.Buffer.Array, buffer.Buffer.Offset, buffer.Length);
if (read == 0)
{
if (state.CurrentTokenType != JsonParserToken.EndObject)
{
throw new EndOfStreamException("Stream ended without reaching end of json content");
}
return(false);
}
parser.SetBuffer(buffer, 0, read);
}
return(true);
}
public static async Task <bool> ReadAsync(PeepingTomStream peepingTomStream, UnmanagedJsonParser parser, JsonParserState state, JsonOperationContext.ManagedPinnedBuffer buffer)
{
if (parser.Read())
{
return(true);
}
var read = await peepingTomStream.ReadAsync(buffer.Buffer.Array, buffer.Buffer.Offset, buffer.Length).ConfigureAwait(false);
if (read == 0)
{
if (state.CurrentTokenType != JsonParserToken.EndObject)
{
throw new EndOfStreamException("Stream ended without reaching end of json content");
}
return(false);
}
parser.SetBuffer(buffer, 0, read);
return(parser.Read());
}
public static unsafe string ReadString(JsonOperationContext context, PeepingTomStream peepingTomStream, UnmanagedJsonParser parser, JsonParserState state, JsonOperationContext.ManagedPinnedBuffer buffer)
{
if (Read(peepingTomStream, parser, state, buffer) == false)
{
ThrowInvalidJson(peepingTomStream);
}
if (state.CurrentTokenType == JsonParserToken.Null)
{
return(null);
}
if (state.CurrentTokenType != JsonParserToken.String)
{
ThrowInvalidJson(peepingTomStream);
}
return(context.AllocateStringValue(null, state.StringBuffer, state.StringSize).ToString());
}
public static void ThrowInvalidJson(string msg, PeepingTomStream peepingTomStream, UnmanagedJsonParser parser)
{
string peepedWindow = GetPeepingTomBufferAsString(peepingTomStream);
throw new InvalidOperationException("Invalid JSON. " + msg + " on " + parser.GenerateErrorState() + ". Last 4KB of read strem : '" + peepedWindow + "'");
}
public static IEnumerable <BlittableJsonReaderObject> ReadArrayToMemory(JsonOperationContext context, PeepingTomStream peepingTomStream, UnmanagedJsonParser parser, JsonParserState state, JsonOperationContext.ManagedPinnedBuffer buffer)
{
if (Read(peepingTomStream, parser, state, buffer) == false)
{
ThrowInvalidJson(peepingTomStream);
}
if (state.CurrentTokenType != JsonParserToken.StartArray)
{
ThrowInvalidJson(peepingTomStream);
}
while (true)
{
if (Read(peepingTomStream, parser, state, buffer) == false)
{
ThrowInvalidJson(peepingTomStream);
}
if (state.CurrentTokenType == JsonParserToken.EndArray)
{
break;
}
using (var builder = new BlittableJsonDocumentBuilder(context, BlittableJsonDocumentBuilder.UsageMode.None, "readArray/singleResult", parser, state))
{
ReadObject(builder, peepingTomStream, parser, buffer);
yield return(builder.CreateReader());
}
}
}
public static async Task ReadObjectAsync(BlittableJsonDocumentBuilder builder, PeepingTomStream peepingTomStream, UnmanagedJsonParser parser, JsonOperationContext.ManagedPinnedBuffer buffer)
{
builder.ReadNestedObject();
while (builder.Read() == false)
{
var read = await peepingTomStream.ReadAsync(buffer.Buffer.Array, buffer.Buffer.Offset, buffer.Length).ConfigureAwait(false);
if (read == 0)
{
throw new EndOfStreamException("Stream ended without reaching end of json content");
}
parser.SetBuffer(buffer, 0, read);
}
builder.FinalizeDocument();
}
public static long ReadLong(JsonOperationContext context, PeepingTomStream peepingTomStream, UnmanagedJsonParser parser, JsonParserState state, JsonOperationContext.ManagedPinnedBuffer buffer)
{
if (Read(peepingTomStream, parser, state, buffer) == false)
{
ThrowInvalidJson(peepingTomStream);
}
if (state.CurrentTokenType != JsonParserToken.Integer)
{
ThrowInvalidJson(peepingTomStream);
}
return(state.Long);
}
public static void ReadObject(BlittableJsonDocumentBuilder builder, PeepingTomStream peepingTomStream, UnmanagedJsonParser parser, JsonOperationContext.ManagedPinnedBuffer buffer)
{
builder.ReadNestedObject();
while (builder.Read() == false)
{
var read = peepingTomStream.Read(buffer.Buffer.Array, buffer.Buffer.Offset, buffer.Length);
if (read == 0)
{
throw new EndOfStreamException("Stream ended without reaching end of json content" + GetPeepingTomBufferAsString(peepingTomStream));
}
parser.SetBuffer(buffer, 0, read);
}
builder.FinalizeDocument();
}