32 lines
977 B
Go
32 lines
977 B
Go
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// Copyright © 2022 Roberto Hidalgo <joao@un.rob.mx>
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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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// 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 config
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import "fmt"
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func (c *Config) Lookup(query []string) (*Entry, error) {
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if len(query) == 0 || len(query) == 1 && query[0] == "." {
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return c.Tree, nil
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}
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entry := c.Tree
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for _, part := range query {
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entry = entry.ChildNamed(part)
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if entry == nil {
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return nil, fmt.Errorf("value not found at %s of %s", part, query)
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}
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}
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return entry, nil
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}
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