TnbCeInifileAccessor.h

[詳解]

#pragma once
#ifndef _WIN32_WCE
    #error TnbCeInifileAccessor.h is only supported on Windows CE platforms.
#endif // _WIN32_WCE
 
 
 
#include "TnbInifileTextAccessor.h"
#include "TnbFileName.h"
#include "TnbFile.h"
 
 
 
//TNB Library
namespace TNB
{
 
 
 
class CCeInifileAccessor : public CInifileTextAccessor
{
    DEFSUPER(CInifileTextAccessor);
public:
    
    explicit CCeInifileAccessor(LPCTSTR lpszFile = NULL) : _super()
    {
        SetBase(lpszFile);
    }
 
    void SetBase(LPCTSTR lpszFile = NULL)
    {
        m_strFile = (lpszFile == NULL) ? MakeInifilePath() : lpszFile;
        m_Read(m_strFile);
    }
 
    static CStr MakeInifilePath(void)
    {
        CStr str = _super::MakeDefineFilePath();
        str += _T(".ini");
        return str;
    }
 
    CStr GetBaseFileName(void) const
    {
        return m_strFile;
    }
 
    virtual CStr GetTypeName(void) const
    {
        return _T("Inifile");
    }
 
    virtual bool Flush(void)
    {
        CFileName fn = m_strFile;
        try
        {
            m_Write(fn);
        }
        catch(CTnbException& e)
        {
            e.OnCatch();
            return false;
        }
        catch(...)
        {
            return false;
        }
        return true;
    }
 
private:
    bool SetText(LPCTSTR lpszText);
 
    CStr GetText(void) const;
 
    bool m_Read(LPCTSTR lpszFile)
    {
        _super::DeleteAllSection();
        CFileName name = lpszFile;
        if ( ! name.IsExist() )
        {
            return false;
        }
        CFileReader f;
        if ( ! f.Open(name) )
        {
            return false;
        }
        CByteVector vb = f.ReadInto();
        if ( vb.IsEmpty() )
        {
            return false;
        }
        vb.Add(0);
        CStr str = reinterpret_cast<LPCSTR>(vb.ReferBuffer());
        return _super::SetText(str);
    }
 
    void m_Write(LPCTSTR lpszFile)
    {
        CFileWriter f;
        if ( ! f.New(lpszFile) )
        {
            return;
        }
        CAscii d = _super::GetText();
        LPCSTR lpsz = d;
        f.Write(d.GetLength(), lpsz);
    }
 
    CStr            m_strFile;      
};
 
 
 
typedef CCeInifileAccessor CInifileAccessor;
 
 
 
};//TNB