96a8d38be2
- Add party plugin registry with Register-before-Boot activation - Add backpack, compass, bonfire, and pact capability interfaces - Add examples/hello with two compiled plugin modules
73 lines
1.7 KiB
Go
73 lines
1.7 KiB
Go
package compass
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import (
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"fmt"
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"os"
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"path/filepath"
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"strings"
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"github.com/knadh/koanf/parsers/yaml"
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"github.com/knadh/koanf/v2"
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)
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// Config is a YAML configuration tree with dot-path access.
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type Config struct {
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k *koanf.Koanf
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}
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// Load reads config/<section>.yaml files from dir. Each filename stem becomes
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// the top-level section, so config/app.yaml key name is app.name.
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func Load(dir string) (*Config, error) {
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k := koanf.New(".")
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entries, err := os.ReadDir(dir)
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if err != nil {
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return nil, fmt.Errorf("compass: read config dir %s: %w", dir, err)
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}
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parser := yaml.Parser()
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for _, entry := range entries {
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if entry.IsDir() {
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continue
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}
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name := entry.Name()
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section, ok := sectionName(name)
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if !ok {
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continue
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}
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path := filepath.Join(dir, name)
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raw, err := os.ReadFile(path)
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if err != nil {
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return nil, fmt.Errorf("compass: read %s: %w", path, err)
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}
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parsed, err := parser.Unmarshal(raw)
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if err != nil {
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return nil, fmt.Errorf("compass: parse %s: %w", path, err)
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}
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if parsed == nil {
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parsed = map[string]any{}
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}
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if err := k.Set(section, parsed); err != nil {
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return nil, fmt.Errorf("compass: set section %s: %w", section, err)
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}
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}
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return &Config{k: k}, nil
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}
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// String returns the string value at path, or "" if unset.
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func (c *Config) String(path string) string {
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if c == nil || c.k == nil {
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return ""
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}
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return c.k.String(path)
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}
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func sectionName(filename string) (string, bool) {
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switch {
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case strings.HasSuffix(filename, ".yaml"):
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return strings.TrimSuffix(filename, ".yaml"), true
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case strings.HasSuffix(filename, ".yml"):
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return strings.TrimSuffix(filename, ".yml"), true
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default:
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return "", false
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}
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}
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