assetManager.hpp

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#ifndef CNSDK_LEIA_CORE_CXX_ASSET_MANAGER_HPP
#define CNSDK_LEIA_CORE_CXX_ASSET_MANAGER_HPP
 
#include "leia/core/assetManager.h"
 
#include <string>
 
namespace leia {
 
class AssetManagerBuffer {
public:
    AssetManagerBuffer() : _buffer({0, nullptr})
    {
    }
    AssetManagerBuffer(OWNING(leia_asset_manager_buffer) buffer) : _buffer(buffer)
    {
    }
    ~AssetManagerBuffer()
    {
        leia_asset_manager_buffer_release(&_buffer);
    }
 
    AssetManagerBuffer(AssetManagerBuffer const&) = delete;
    AssetManagerBuffer& operator=(AssetManagerBuffer const&) = delete;
    AssetManagerBuffer(AssetManagerBuffer&& other) : AssetManagerBuffer()
    {
        *this = std::move(other);
    }
    AssetManagerBuffer& operator=(AssetManagerBuffer&& other)
    {
        std::swap(_buffer, other._buffer);
        return *this;
    }
 
    LEIA_NODISCARD
    size_t GetSize() const
    {
        return _buffer.size;
    }
    LEIA_NODISCARD
    char* GetData() const
    {
        return _buffer.data;
    }
 
private:
    leia_asset_manager_buffer _buffer;
};
 
class AssetManager {
public:
    using ResolveContext = leia_asset_manager_resolve_context;
    AssetManager(NONOWNING(leia_asset_manager) * ptr) : _ptr(ptr)
    {
    }
 
    AssetManager(AssetManager const& other)
    {
        *this = other;
    }
    AssetManager& operator=(AssetManager const& other)
    {
        _ptr = other._ptr;
        return *this;
    }
    AssetManager(AssetManager&&) = delete;
    AssetManager& operator=(AssetManager&&) = delete;
 
    LEIA_NODISCARD
    AssetManagerBuffer ReadData(const char* assetPath, ResolveContext* resolveContext = nullptr) const
    {
        return {leia_asset_manager_read_data(_ptr, assetPath, resolveContext)};
    }
    LEIA_NODISCARD
    std::string ReadString(const char* assetPath, ResolveContext* resolveContext = nullptr) const
    {
        AssetManagerBuffer data = ReadData(assetPath, resolveContext);
 
        std::string ret;
        if (data.GetData() && data.GetSize())
        {
            ret = {data.GetData(), data.GetSize()};
        }
        return ret;
    }
    LEIA_NODISCARD
    leia_asset_manager* GetHandle()
    {
        return _ptr;
    }
 
private:
    leia_asset_manager* _ptr;
};
 
} // namespace leia
 
#endif // CNSDK_LEIA_CORE_CXX_ASSET_MANAGER_HPP