init: pristine aerc 0.20.0 source

worker/lib/foldermap.go

@@ -0,0 +1,34 @@
+package lib
+
+import (
+	"fmt"
+	"io"
+
+	"github.com/go-ini/ini"
+)
+
+func ParseFolderMap(r io.Reader) (map[string]string, []string, error) {
+	cfg, err := ini.Load(r)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	sec, err := cfg.GetSection("")
+	if err != nil {
+		return nil, nil, err
+	}
+
+	order := sec.KeyStrings()
+
+	for _, k := range order {
+		v, err := sec.GetKey(k)
+		switch {
+		case v.String() == "":
+			return nil, nil, fmt.Errorf("no value for key '%s'", k)
+		case err != nil:
+			return nil, nil, err
+		}
+	}
+
+	return sec.KeysHash(), order, nil
+}