joao/pkg/config/lookup.go

55 lines
1.4 KiB
Go

// Copyright © 2022 Roberto Hidalgo <joao@un.rob.mx>
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package config
import (
"fmt"
"os"
"strings"
"gopkg.in/yaml.v3"
)
func (c *Config) Lookup(query []string) (*Entry, error) {
if len(query) == 0 || len(query) == 1 && query[0] == "." {
return c.Tree, nil
}
entry := c.Tree
for _, part := range query {
entry = entry.ChildNamed(part)
if entry == nil {
return nil, fmt.Errorf("value not found at %s of %s", part, query)
}
}
return entry, nil
}
func findRepoConfig(from string) (*repoModeConfig, error) {
parts := strings.Split(from, "/")
for i := len(parts); i > 0; i -= 1 {
query := strings.Join(parts[0:i], "/")
if bytes, err := os.ReadFile(query + "/.joao.yaml"); err == nil {
rmc := &repoModeConfig{Repo: query}
err := yaml.Unmarshal(bytes, rmc)
if err != nil {
return nil, err
}
return rmc, nil
}
}
return nil, nil
}