private static JsonDocument Parse(
ReadOnlyMemory <byte> utf8Json,
JsonReaderOptions readerOptions,
byte[]?extraRentedArrayPoolBytes = null,
PooledByteBufferWriter?extraPooledByteBufferWriter = null)
{
ReadOnlySpan <byte> utf8JsonSpan = utf8Json.Span;
var database = MetadataDb.CreateRented(utf8Json.Length, convertToAlloc: false);
var stack = new StackRowStack(JsonDocumentOptions.DefaultMaxDepth * StackRow.Size);
try
{
Parse(utf8JsonSpan, readerOptions, ref database, ref stack);
}
catch
{
database.Dispose();
throw;
}
finally
{
stack.Dispose();
}
return(new JsonDocument(utf8Json, database, extraRentedArrayPoolBytes, extraPooledByteBufferWriter));
}
private static JsonDocument Parse(
ReadOnlyMemory <byte> utf8Json,
JsonReaderOptions readerOptions,
byte[]?extraRentedBytes)
{
ReadOnlySpan <byte> utf8JsonSpan = utf8Json.Span;
var database = new MetadataDb(utf8Json.Length);
var stack = new StackRowStack(JsonDocumentOptions.DefaultMaxDepth * StackRow.Size);
try
{
Parse(utf8JsonSpan, readerOptions, ref database, ref stack);
}
catch
{
database.Dispose();
throw;
}
finally
{
stack.Dispose();
}
return(new JsonDocument(utf8Json, database, extraRentedBytes));
}
private static JsonDocument ParseUnrented(
ReadOnlyMemory <byte> utf8Json,
JsonReaderOptions readerOptions,
JsonTokenType tokenType = JsonTokenType.None)
{
// These tokens should already have been processed.
Debug.Assert(
tokenType != JsonTokenType.Null &&
tokenType != JsonTokenType.False &&
tokenType != JsonTokenType.True);
ReadOnlySpan <byte> utf8JsonSpan = utf8Json.Span;
MetadataDb database;
if (tokenType == JsonTokenType.String || tokenType == JsonTokenType.Number)
{
// For primitive types, we can avoid renting MetadataDb and creating StackRowStack.
database = MetadataDb.CreateLocked(utf8Json.Length);
StackRowStack stack = default;
Parse(utf8JsonSpan, readerOptions, ref database, ref stack);
}
else
{
database = MetadataDb.CreateRented(utf8Json.Length, convertToAlloc: true);
var stack = new StackRowStack(JsonDocumentOptions.DefaultMaxDepth * StackRow.Size);
try
{
Parse(utf8JsonSpan, readerOptions, ref database, ref stack);
}
finally
{
stack.Dispose();
}
}
return(new JsonDocument(utf8Json, database));
}