mirror of
https://github.com/dolthub/dolt.git
synced 2026-03-16 23:53:17 -05:00
50 lines
1.7 KiB
Go
50 lines
1.7 KiB
Go
// Copyright 2022 Dolthub, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package datas
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import (
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flatbuffers "github.com/google/flatbuffers/go"
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"github.com/dolthub/dolt/go/gen/fb/serial"
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"github.com/dolthub/dolt/go/store/prolly"
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"github.com/dolthub/dolt/go/store/prolly/tree"
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"github.com/dolthub/dolt/go/store/types"
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)
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func storeroot_flatbuffer(am prolly.AddressMap) serial.Message {
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builder := flatbuffers.NewBuilder(1024)
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ambytes := []byte(tree.ValueFromNode(am.Node()).(types.SerialMessage))
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voff := builder.CreateByteVector(ambytes)
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serial.StoreRootStart(builder)
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serial.StoreRootAddAddressMap(builder, voff)
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return serial.FinishMessage(builder, serial.StoreRootEnd(builder), []byte(serial.StoreRootFileID))
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}
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func parse_storeroot(bs []byte, ns tree.NodeStore) (prolly.AddressMap, error) {
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if serial.GetFileID(bs) != serial.StoreRootFileID {
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panic("expected store root file id, got: " + serial.GetFileID(bs))
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}
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sr, err := serial.TryGetRootAsStoreRoot(bs, serial.MessagePrefixSz)
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if err != nil {
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return prolly.AddressMap{}, err
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}
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mapbytes := sr.AddressMapBytes()
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node, err := tree.NodeFromBytes(mapbytes)
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if err != nil {
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return prolly.AddressMap{}, err
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}
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return prolly.NewAddressMap(node, ns)
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}
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