Function Parse

internal/editorconfig/keypath.go:13–58

Parse splits a dotted key path into its components, supporting TOML-style quoted segments so users can address keys that contain dots or special characters (e.g. codex.profiles."alibaba/glm-4.5".model).

(raw string)

// quoted segments so users can address keys that contain dots or special
// characters (e.g. codex.profiles."alibaba/glm-4.5".model).
func Parse(raw string) ([]string, error) {
	raw = strings.TrimSpace(raw)
	if raw == "" {
		return nil, fmt.Errorf("editorconfig: empty key path")
	}
	var parts []string
	var buf strings.Builder
	var inQuote bool
	var inBracket bool
	for i := 0; i < len(raw); i++ {
		ch := raw[i]
		switch {
		case ch == '"' && (i == 0 || raw[i-1] != '\\'):
			inQuote = !inQuote
		case ch == '[' && !inQuote:
			inBracket = true
			buf.WriteByte(ch)
		case ch == ']' && !inQuote:
			inBracket = false
			buf.WriteByte(ch)
		case ch == '.' && !inQuote && !inBracket:
			if buf.Len() == 0 {
				return nil, fmt.Errorf("editorconfig: empty segment in %q", raw)
			}
			parts = append(parts, buf.String())
			buf.Reset()
		default:
			if ch == '\\' && i+1 < len(raw) && raw[i+1] == '"' {
				buf.WriteByte('"')
				i++
				continue
			}
			buf.WriteByte(ch)
		}
	}
	if inQuote {
		return nil, fmt.Errorf("editorconfig: unterminated quote in %q", raw)
	}
	if buf.Len() > 0 {
		parts = append(parts, buf.String())
	}
	if len(parts) == 0 {
		return nil, fmt.Errorf("editorconfig: empty key path")
	}
	return parts, nil
}

// Get walks data using parts and returns the leaf value plus whether it was
// found.  Intermediate non-map values cause a not-found result.