Robin E. R. Davies
50 lines
2.3 KiB
C++
50 lines
2.3 KiB
C++
// Copyright (c) 2023 Robin Davies
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy of
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// this software and associated documentation files (the "Software"), to deal in
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// the Software without restriction, including without limitation the rights to
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// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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// the Software, and to permit persons to whom the Software is furnished to do so,
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// subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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#pragma once
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#include <string>
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#include <map>
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#include <set>
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namespace pipedal {
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class MimeTypes {
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private:
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MimeTypes();
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public:
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static const MimeTypes&instance();
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const std::string& MimeTypeFromExtension(const std::string &extension) const;
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// the best possible extension if we had to pick one.
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const std::string& ExtensionFromMimeType(const std::string &mimeType) const;
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// All possible extensions that other people might have picked.
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const std::set<std::string> &AudioExtensions() const;
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const std::set<std::string> &VideoExtensions() const;
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const std::set<std::string> &MidiExtensions() const;
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const bool IsValidExtension(const std::string&mimeType, const std::string&extension) const;
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private:
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void AddMimeType(const std::string&extension, const std::string&mimeType);
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std::map<std::string,std::set<std::string>> mimeTypeToExtensions;
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std::map<std::string,std::string> mimeTypeToExtension;
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std::map<std::string,std::string> extensionToMimeType;
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std::set<std::string> audioExtensions;
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std::set<std::string> midiExtensions;
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std::set<std::string> videoExtensions;
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};
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} |