73 lines
1.6 KiB
Go
73 lines
1.6 KiB
Go
// Copyright © 2016 Abcum Ltd
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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 keys
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// Edge ...
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type Edge struct {
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KV string
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NS string
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DB string
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TB string
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ID interface{}
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TK string
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TP string
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FT string
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FK interface{}
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}
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// init initialises the key
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func (k *Edge) init() *Edge {
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switch k.TK {
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case "«»":
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case "‹", "›":
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case "«", "»":
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default:
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k.TK = "«»"
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}
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return k
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}
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// Copy creates a copy of the key
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func (k *Edge) Copy() *Edge {
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return &Edge{
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KV: k.KV,
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NS: k.NS,
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DB: k.DB,
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TB: k.TB,
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ID: k.ID,
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TK: k.TK,
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TP: k.TP,
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FT: k.FT,
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FK: k.FK,
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}
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}
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// Encode encodes the key into binary
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func (k *Edge) Encode() []byte {
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k.init()
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return encode(k.KV, k.NS, "*", k.DB, "*", k.TB, "*", k.ID, k.TK, k.TP, k.FT, k.FK)
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}
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// Decode decodes the key from binary
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func (k *Edge) Decode(data []byte) {
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k.init()
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decode(data, &k.KV, &k.NS, &skip, &k.DB, &skip, &k.TB, &skip, &k.ID, &k.TK, &k.TP, &k.FT, &k.FK)
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}
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// String returns a string representation of the key
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func (k *Edge) String() string {
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k.init()
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return output(k.KV, k.NS, "*", k.DB, "*", k.TB, "*", k.ID, k.TK, k.TP, k.FT, k.FK)
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}
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