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			79 lines
		
	
	
	
		
			1.9 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			79 lines
		
	
	
	
		
			1.9 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
#include "myguidatamanager.hpp"
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#include <stdexcept>
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#include <string>
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#include <MyGUI_DataFileStream.h>
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#include <components/files/conversion.hpp>
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#include <components/vfs/manager.hpp>
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namespace
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{
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    class DataStream final : public MyGUI::DataStream
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    {
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    public:
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        explicit DataStream(std::unique_ptr<std::istream>&& stream)
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            : MyGUI::DataStream(stream.get())
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            , mOwnedStream(std::move(stream))
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        {
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        }
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    private:
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        std::unique_ptr<std::istream> mOwnedStream;
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    };
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}
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namespace osgMyGUI
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{
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    void DataManager::setResourcePath(const std::filesystem::path& path)
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    {
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        mResourcePath = path;
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    }
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    DataManager::DataManager(const std::string& resourcePath, const VFS::Manager* vfs)
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        : mResourcePath(resourcePath)
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        , mVfs(vfs)
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    {
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    }
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    MyGUI::IDataStream* DataManager::getData(const std::string& name) const
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    {
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        return new DataStream(mVfs->get(Files::pathToUnicodeString(mResourcePath / name)));
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    }
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    void DataManager::freeData(MyGUI::IDataStream* data)
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    {
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        delete data;
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    }
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    bool DataManager::isDataExist(const std::string& name) const
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    {
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        return mVfs->exists(Files::pathToUnicodeString(mResourcePath / name));
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    }
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    const MyGUI::VectorString& DataManager::getDataListNames(const std::string& pattern) const
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    {
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        throw std::runtime_error("DataManager::getDataListNames is not implemented - VFS is used");
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    }
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    const std::string& DataManager::getDataPath(const std::string& name) const
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    {
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        static std::string result;
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        result.clear();
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        if (name.empty())
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        {
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            result = Files::pathToUnicodeString(mResourcePath);
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            return result;
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        }
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        if (!isDataExist(name))
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            return result;
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        result = Files::pathToUnicodeString(mResourcePath / name);
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        return result;
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    }
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}
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