Martin Michelsen
47 lines
1.3 KiB
C++
47 lines
1.3 KiB
C++
#pragma once
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#include <memory>
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#include <string>
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#include <unordered_map>
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#include <functional>
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using namespace std;
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class FileContentsCache {
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private:
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struct File {
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std::string name;
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std::shared_ptr<const std::string> contents;
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uint64_t load_time;
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File() = delete;
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File(const std::string& name, std::shared_ptr<const std::string> contents,
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uint64_t load_time);
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File(const File&) = delete;
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File(File&&) = delete;
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File& operator=(const File&) = delete;
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File& operator=(File&&) = delete;
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~File() = default;
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};
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public:
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FileContentsCache() = default;
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FileContentsCache(const FileContentsCache&) = delete;
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FileContentsCache(FileContentsCache&&) = delete;
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FileContentsCache& operator=(const FileContentsCache&) = delete;
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FileContentsCache& operator=(FileContentsCache&&) = delete;
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~FileContentsCache() = default;
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std::shared_ptr<const std::string> get(const std::string& name);
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std::shared_ptr<const std::string> get(const char* name);
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std::shared_ptr<const std::string> get(
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const std::string& name, std::function<std::string()> generate);
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std::shared_ptr<const std::string> get(
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const char* name, std::function<std::string()> generate);
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private:
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std::unordered_map<std::string, File> name_to_file;
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};
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