1 files changed, 45 insertions, 0 deletions
diff --git a/metadata/config.go b/metadata/config.go
new file mode 100644
index 0000000..1d73755
--- /dev/null
+++ b/metadata/config.go
@@ -0,0 +1,45 @@
+/*
+ * config.go - Parsing for our global config file. The file is simply the JSON
+ * output of the Config protocol buffer.
+ *
+ * Copyright 2017 Google Inc.
+ * Author: Joe Richey (joerichey@google.com)
+ *
+ * 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 metadata contains all of the on disk structures.
+// These structures are definied in meatadata.proto. The package also
+// contains functions for reading and writing the Config file to disk
+// giving us a config file.
+package metadata
+
+//go:generate protoc --go_out=. metadata.proto
+import "github.com/golang/protobuf/jsonpb"
+
+// WriteConfig outputs the Config data as nicely formatted JSON
+func WriteConfig(config *Config) (string, error) {
+	m := jsonpb.Marshaler{
+		EmitDefaults: false,
+		EnumsAsInts:  false,
+		Indent:       "\t",
+		OrigName:     true,
+	}
+	return m.MarshalToString(config)
+}
+
+// ReadConfig writes the JSON data into the config structure
+func ReadConfig(input string) (*Config, error) {
+	config := new(Config)
+	return config, jsonpb.UnmarshalString(input, config)
+}