mirror of
https://github.com/EchoVault/SugarDB.git
synced 2025-10-31 19:32:59 +08:00
55 lines
1.7 KiB
Go
55 lines
1.7 KiB
Go
// Copyright 2024 Kelvin Clement Mwinuka
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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 str
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import (
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"errors"
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"github.com/echovault/echovault/internal"
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"github.com/echovault/echovault/internal/constants"
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)
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func setRangeKeyFunc(cmd []string) (internal.KeyExtractionFuncResult, error) {
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if len(cmd) != 4 {
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return internal.KeyExtractionFuncResult{}, errors.New(constants.WrongArgsResponse)
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}
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return internal.KeyExtractionFuncResult{
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Channels: make([]string, 0),
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ReadKeys: make([]string, 0),
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WriteKeys: cmd[1:2],
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}, nil
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}
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func strLenKeyFunc(cmd []string) (internal.KeyExtractionFuncResult, error) {
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if len(cmd) != 2 {
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return internal.KeyExtractionFuncResult{}, errors.New(constants.WrongArgsResponse)
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}
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return internal.KeyExtractionFuncResult{
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Channels: make([]string, 0),
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ReadKeys: cmd[1:2],
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WriteKeys: make([]string, 0),
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}, nil
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}
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func subStrKeyFunc(cmd []string) (internal.KeyExtractionFuncResult, error) {
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if len(cmd) != 4 {
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return internal.KeyExtractionFuncResult{}, errors.New(constants.WrongArgsResponse)
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}
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return internal.KeyExtractionFuncResult{
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Channels: make([]string, 0),
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ReadKeys: cmd[1:2],
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WriteKeys: make([]string, 0),
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}, nil
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}
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