| // Copyright (c) 2012 The Chromium OS Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef SHILL_SHIMS_ENVIRONMENT_H_ |
| #define SHILL_SHIMS_ENVIRONMENT_H_ |
| |
| #include <map> |
| #include <string> |
| |
| #include <base/lazy_instance.h> |
| |
| namespace shill { |
| |
| namespace shims { |
| |
| // Environment access utilities. |
| class Environment { |
| public: |
| virtual ~Environment(); |
| |
| // This is a singleton -- use Environment::GetInstance()->Foo() |
| static Environment *GetInstance(); |
| |
| // Sets |value| to the value of environment variable |name| and returns |
| // true. Returns false if variable |name| is not set. |
| virtual bool GetVariable(const std::string &name, std::string *value); |
| |
| // Parses and returns the environment as a name->value string map. |
| virtual std::map<std::string, std::string> AsMap(); |
| |
| protected: |
| Environment(); |
| |
| private: |
| friend struct base::DefaultLazyInstanceTraits<Environment>; |
| |
| DISALLOW_COPY_AND_ASSIGN(Environment); |
| }; |
| |
| } // namespace shims |
| |
| } // namespace shill |
| |
| #endif // SHILL_SHIMS_ENVIRONMENT_H_ |