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42 lines
1.5 KiB
C
42 lines
1.5 KiB
C
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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef NET_BASE_PLATFORM_MIME_UTIL_H_
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#define NET_BASE_PLATFORM_MIME_UTIL_H_
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#include <string>
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#include <unordered_set>
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#include "base/files/file_path.h"
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namespace net {
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// Encapsulates the platform-specific functionality in mime_util.
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class PlatformMimeUtil {
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public:
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// Adds all the extensions that the platform associates with the type
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// |mime_type| to the set |extensions|. Returns at least the value returned
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// by GetPreferredExtensionForMimeType.
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void GetPlatformExtensionsForMimeType(
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const std::string& mime_type,
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std::unordered_set<base::FilePath::StringType>* extensions) const;
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protected:
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// Gets the preferred filename extension associated with the given
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// mime type. Returns true if the file type is registered in the system. The
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// extension is returned without a prefixed dot, ex "html".
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bool GetPlatformPreferredExtensionForMimeType(
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const std::string& mime_type,
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base::FilePath::StringType* extension) const;
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// Gets the mime type (if any) that is associated with the file extension.
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// Returns true if a corresponding mime type exists.
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bool GetPlatformMimeTypeFromExtension(const base::FilePath::StringType& ext,
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std::string* mime_type) const;
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};
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} // namespace net
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#endif // NET_BASE_PLATFORM_MIME_UTIL_H_
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