public JsonObject this[Utf8Span name]
{
get
{
if (TryGetValue(name, out JsonObject value))
{
return(value);
}
JsonThrowHelper.ThrowKeyNotFoundException();
return(default);
public bool TryGetValue(string propertyName, out JsonObject value)
{
var record = GetRecord(0);
if (record.Length == 0)
{
JsonThrowHelper.ThrowKeyNotFoundException();
}
if (record.Type != JsonValueType.Object)
{
JsonThrowHelper.ThrowInvalidOperationException();
}
for (int i = DbRow.Size; i < _database.Length; i += DbRow.Size)
{
record = MemoryMarshal.Read <DbRow>(_database.Slice(i));
if (!record.IsSimpleValue)
{
i += record.Length * DbRow.Size;
continue;
}
if (new Utf8Span(_jsonData.Slice(record.Location, record.Length)) == propertyName)
{
int newStart = i + DbRow.Size;
int newEnd = newStart + DbRow.Size;
record = MemoryMarshal.Read <DbRow>(_database.Slice(newStart));
if (!record.IsSimpleValue)
{
newEnd = newEnd + DbRow.Size * record.Length;
}
value = new JsonObject(_jsonData, _database.Slice(newStart, newEnd - newStart));
return(true);
}
var valueType = MemoryMarshal.Read <JsonValueType>(_database.Slice(i + DbRow.Size + 8));
if (valueType != JsonValueType.Object && valueType != JsonValueType.Array)
{
i += DbRow.Size;
}
}
value = default;
return(false);
}
public bool TryGetValue(Utf8Span propertyName, out JsonObject value)
{
DbRow record = GetRecord(0);
if (record.Length == 0)
{
JsonThrowHelper.ThrowKeyNotFoundException();
}
if (record.Type != JsonValueType.Object)
{
JsonThrowHelper.ThrowInvalidOperationException();
}
for (int i = DbRow.Size; i <= _database.Length; i += DbRow.Size)
{
record = GetRecord(i);
if (!record.IsSimpleValue)
{
i += record.Length * DbRow.Size;
continue;
}
if (_jsonData.Slice(record.Location, record.Length).SequenceEqual(propertyName.Bytes))
{
int newStart = i + DbRow.Size;
record = GetRecord(newStart);
int newEnd = record.IsSimpleValue ? i + 2 * DbRow.Size : i + (record.Length + 2) * DbRow.Size;
value = new JsonObject(_jsonData, _database.Slice(newStart, newEnd - newStart));
return(true);
}
JsonValueType valueType = GetType(i + DbRow.Size);
if (valueType > JsonValueType.Array)
{
i += DbRow.Size;
}
}
value = default;
return(false);
}
