TnbMapFile.h

[詳解]

#pragma once
#include "TnbMap.h"
#include "TnbStrVector.h"
#include "TnbTextFile.h"
 
 
 
//TNB Library
namespace TNB
{
 
 
 
template<typename KEY, typename VAL, typename INK=KEY>
class CMapFileT
{
public:
    bool Save(LPCTSTR lpszFileName, const CMapT<KEY, VAL, INK>& map, TCHAR comma = ',')
    {
        CStr s;
        CStrVector vs;
        loop ( i, map )
        {
            s = KeyToString(map.At(i).first);
            s += period;
            s += ValueToString(map.At(i).second);
            vs.Add(s);
        }
        return CTextFileWriter::NewFile(lpszFileName, vs);
    }
 
    bool Load(CMapT<KEY, VAL, INK>& _map, LPCTSTR lpszFileName, TCHAR comma = ',')
    {
        _map.RemoveAll();
        CTextFileReader r;
        if ( r.Read(lpszFileName) )
        {
            CConstStrVector vs;
            if ( r.GetContents(vs) )
            {
                CStrVector v;
                loop ( i, vs.GetLineCount() )
                {
                    v = CStrOperator::SeparatePeriod(vs.GetString(i), period);
                    if ( v.GetSize() >= 2 )
                    {
                        KEY key = StringToKey(v[0]);
                        VAL val = StringToValue(v[1]);
                        _map[key] = val;
                    }
                }
                return true;
            }
        }
        return false;
    }
 
protected:
    virtual CStr KeyToString(const KEY& key) = 0;
 
    virtual CStr ValueToString(const VAL& val) = 0;
 
    virtual KEY StringToKey(LPCTSTR lpsz) = 0;
 
    virtual VAL StringToValue(LPCTSTR lpsz) = 0;
};
 
 
 
};