AU: Common code to parse simple key/value store files

src/platform/update_engine/simple_key_value_store.h

Index: src/platform/update_engine/simple_key_value_store.h
diff --git a/src/platform/update_engine/simple_key_value_store.h b/src/platform/update_engine/simple_key_value_store.h
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+// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// These functions can parse a blob of data that's formatted as a simple
+// key value store. Each key/value pair is stored on its own line and
+// separated by the first '=' on the line.
+
+#ifndef CHROMEOS_PLATFORM_UPDATE_ENGINE_SIMPLE_KEY_VALUE_STORE_H__
+#define CHROMEOS_PLATFORM_UPDATE_ENGINE_SIMPLE_KEY_VALUE_STORE_H__
+
+#include <map>
+#include <string>
+
+namespace chromeos_update_engine {
+namespace simple_key_value_store {
+  
+// Parses a string. 
+std::map<std::string, std::string> ParseString(const std::string& str);
+
+std::string AssembleString(const std::map<std::string, std::string>& data);
+
+}  // namespace simple_key_value_store
+}  // namespace chromeos_update_engine
+
+#endif  // CHROMEOS_PLATFORM_UPDATE_ENGINE_SIMPLE_KEY_VALUE_STORE_H__