From: Scott Worley <sworley@chkno.net>
Date: Sat, 15 Sep 2012 20:19:46 +0000 (-0700)
Subject: Generalize json-slurping
X-Git-Url: http://git.scottworley.com/planeteer/commitdiff_plain/091c628026edc6f81d851bd1d070edd34af20b67?hp=a29aebecc25a3b2c40c86f11818d79e367b5ce30

Generalize json-slurping
---

diff --git a/planeteer.go b/planeteer.go
index eb78bce..4976abe 100644
--- a/planeteer.go
+++ b/planeteer.go
@@ -133,13 +133,21 @@ type planet_data struct {
 	i2p, i2c    []string       // Generated; not read from file
 }
 
-func ReadData() (data planet_data) {
-	f, err := os.Open(*planet_data_file)
+func json_slurp(filename string, receptacle interface{}) error {
+	f, err := os.Open(filename)
 	if err != nil {
-		panic(err)
+		return err
 	}
 	defer f.Close()
-	err = json.NewDecoder(f).Decode(&data)
+	err = json.NewDecoder(f).Decode(receptacle)
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
+func ReadData() (data planet_data) {
+	err := json_slurp(*planet_data_file, &data)
 	if err != nil {
 		panic(err)
 	}