public bool TryGetChild(out JsonObject value)
{
DbRow record = _database.Get();
if (record.SizeOrLength == 0)
{
value = default;
return(false);
}
if (record.JsonType != JsonValueType.Object)
{
JsonThrowHelper.ThrowInvalidOperationException();
}
record = _database.Get(DbRow.Size);
int newStart = DbRow.Size + DbRow.Size;
int newEnd = newStart + DbRow.Size;
record = _database.Get(newStart);
if (!record.IsSimpleValue)
{
newEnd = newEnd + DbRow.Size * record.SizeOrLength;
}
CustomDb copy = _database;
copy.Span = _database.Slice(newStart, newEnd - newStart);
value = new JsonObject(_jsonData, copy);
return(true);
}
public bool TryGetChild(out JsonObject value)
{
DbRow record = _database.Get();
if (record.SizeOrLength == 0)
{
value = default;
return(false);
}
if (record.JsonType != JsonType.StartObject)
{
JsonThrowHelper.ThrowInvalidOperationException();
}
record = _database.Get(DbRow.Size);
int newStart = DbRow.Size + DbRow.Size;
int newEnd = newStart + DbRow.Size;
record = _database.Get(newStart);
if (!record.IsSimpleValue)
{
newEnd = newEnd + DbRow.Size * record.SizeOrLength;
}
value = CreateJsonObject(newStart, newEnd - newStart);
return(true);
}
public bool TryGetChild(out JsonObject value)
{
DbRow record = GetRecord(0);
if (record.Length == 0)
{
value = default;
return(false);
}
if (record.Type != JsonValueType.Object)
{
JsonThrowHelper.ThrowInvalidOperationException();
}
record = MemoryMarshal.Read <DbRow>(_database.Slice(DbRow.Size));
int newStart = DbRow.Size + 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);
}
public StackRow Peek()
{
if (_topOfStack > _stackSpace.Length - StackRow.Size)
{
JsonThrowHelper.ThrowInvalidOperationException();
}
return(MemoryMarshal.Read <StackRow>(_stackSpace.Slice(_topOfStack)));
}
public void Dispose()
{
if (_pool == null)
{
JsonThrowHelper.ThrowInvalidOperationException("Only root object can (and should) be disposed.");
}
_pool.Return(_rentedBuffer);
Span = Span <byte> .Empty;
Index = 0;
}
public bool TryGetValue(Utf8Span propertyName, out JsonObject value)
{
DbRow record = _database.Get();
if (record.JsonType != JsonType.StartObject)
{
JsonThrowHelper.ThrowInvalidOperationException();
}
for (int i = DbRow.Size; i < _database.Length; i += DbRow.Size)
{
record = _database.Get(i);
if (!record.IsSimpleValue)
{
if (record.SizeOrLength != 0)
{
i += DbRow.Size * record.NumberOfRows;
}
continue;
}
Debug.Assert(record.JsonType == JsonType.String);
int startIndex = i + DbRow.Size;
DbRow nextRecord = _database.Get(startIndex);
if (_jsonData.Slice(record.Location, record.SizeOrLength).SequenceEqual(propertyName.Bytes))
{
int length = DbRow.Size;
if (!nextRecord.IsSimpleValue)
{
if (nextRecord.SizeOrLength != 0)
{
length += DbRow.Size * nextRecord.NumberOfRows;
}
}
value = CreateJsonObject(startIndex, length);
return(true);
}
// Skip primitive value since we are looking for keys
if (nextRecord.IsSimpleValue)
{
i += DbRow.Size;
}
}
value = default;
return(false);
}
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);
}