FsBase.h

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#pragma once

#include "FileSystem.h"

namespace IFS
{
class FsBase
{
public:
    FsBase(IFileSystem* filesys) : fileSystem(filesys)
    {
    }

    int getLastError()
    {
        return lastError;
    }

    String getErrorString(int err) const
    {
        return fileSystem == nullptr ? Error::toString(err) : fileSystem->getErrorString(err);
    }

    String getLastErrorString() const
    {
        return getErrorString(lastError);
    }

    FileSystem* getFileSystem() const
    {
        if(fileSystem == nullptr) {
            lastError = Error::NoFileSystem;
        }
        return static_cast<FileSystem*>(fileSystem);
    }

protected:
    bool check(int res)
    {
        if(res >= 0) {
            return true;
        }

        lastError = res;
        return false;
    }

protected:
    mutable int lastError{FS_OK};

private:
    IFileSystem* fileSystem;
};

} // namespace IFS