FileCache.h

#pragma once
// ===========================================================================
// Copyright (c) 2015 Toolchefs Ltd. All rights reserved.
//
// Use of this software is subject to the terms of the Toolchefs license
// agreement provided at the time of installation or download, or which
// otherwise accompanies this software in either electronic or hard copy form.
// ===========================================================================
 
#ifndef ATOMS_UNREAL
 
#include <Atoms/Globals.h>
#include <string>
#include <map>
#include <Atoms/AnimationClip.h>
#include <AtomsCore/Skeleton.h>
 
namespace Atoms
{
    template <class T>
    class ATOMS_EXPORT FileCache
    {
        public:
 
            void insert(const std::string& filePath, const std::string& filter, const T& value);
           
            bool contains(const std::string& filePath, const std::string& filter);
 
            void clear();
 
            bool hasChanged(const std::string& filePath);
 
            const T* get(const std::string& filePath, const std::string& filter);
 
    private:
            std::map<std::pair<std::string, std::string>, T> m_cache;
            std::map<std::string, std::pair<time_t, off_t>> m_dataCache;
    };
 
    template<> ATOMS_EXPORT void FileCache<AnimationClip>::insert(const std::string& filePath, const std::string& filter, const AnimationClip& value);
    template<> ATOMS_EXPORT bool FileCache<AnimationClip>::contains(const std::string& filePath, const std::string& filter);
    template<> ATOMS_EXPORT bool FileCache<AnimationClip>::hasChanged(const std::string& filePath);
    template<> ATOMS_EXPORT const AnimationClip* FileCache<AnimationClip>::get(const std::string& filePath, const std::string& filter);
    template<> ATOMS_EXPORT void FileCache<AnimationClip>::clear();
 
    template<> ATOMS_EXPORT void FileCache<AtomsPtr<AtomsCore::MapMetadata>>::insert(const std::string& filePath, const std::string& filter, const AtomsPtr<AtomsCore::MapMetadata>& value);
    template<> ATOMS_EXPORT bool FileCache<AtomsPtr<AtomsCore::MapMetadata>>::contains(const std::string& filePath, const std::string& filter);
    template<> ATOMS_EXPORT bool FileCache<AtomsPtr<AtomsCore::MapMetadata>>::hasChanged(const std::string& filePath);
    template<> ATOMS_EXPORT const AtomsPtr<AtomsCore::MapMetadata>* FileCache<AtomsPtr<AtomsCore::MapMetadata>>::get(const std::string& filePath, const std::string& filter);
    template<> ATOMS_EXPORT void FileCache<AtomsPtr<AtomsCore::MapMetadata>>::clear();
 
    template<> ATOMS_EXPORT void FileCache<AtomsCore::Skeleton>::insert(const std::string& filePath, const std::string& filter, const AtomsCore::Skeleton& value);
    template<> ATOMS_EXPORT bool FileCache<AtomsCore::Skeleton>::contains(const std::string& filePath, const std::string& filter);
    template<> ATOMS_EXPORT bool FileCache<AtomsCore::Skeleton>::hasChanged(const std::string& filePath);
    template<> ATOMS_EXPORT const AtomsCore::Skeleton* FileCache<AtomsCore::Skeleton>::get(const std::string& filePath, const std::string& filter);
    template<> ATOMS_EXPORT void FileCache<AtomsCore::Skeleton>::clear();
 
}
 
#endif