// Copyright (c) 2012 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. #ifndef NET_BASE_PLATFORM_MIME_UTIL_H_ #define NET_BASE_PLATFORM_MIME_UTIL_H_ #include #include #include "base/files/file_path.h" namespace net { // Encapsulates the platform-specific functionality in mime_util. class PlatformMimeUtil { public: // Adds all the extensions that the platform associates with the type // |mime_type| to the set |extensions|. Returns at least the value returned // by GetPreferredExtensionForMimeType. void GetPlatformExtensionsForMimeType( const std::string& mime_type, std::unordered_set* extensions) const; protected: // Gets the preferred filename extension associated with the given // mime type. Returns true if the file type is registered in the system. The // extension is returned without a prefixed dot, ex "html". bool GetPlatformPreferredExtensionForMimeType( const std::string& mime_type, base::FilePath::StringType* extension) const; // Gets the mime type (if any) that is associated with the file extension. // Returns true if a corresponding mime type exists. bool GetPlatformMimeTypeFromExtension(const base::FilePath::StringType& ext, std::string* mime_type) const; }; } // namespace net #endif // NET_BASE_PLATFORM_MIME_UTIL_H_