CFileEngine

#ifndef _FILE_ENGINE_H_031104_
#define _FILE_ENGINE_H_031104_

#include "DataEngine.h"

enum fileengine_type
{
    ISAM,
    TIANWANG,
    LINK4SE
};

class CUrl;
class CPage;

struct file_arg
{
    CUrl *pUrl;
    CPage *pPage;
};

class CFileEngine : public CDataEngine//仍然只能用作基类
{
public:
    ofstream m_ofsFile;

public:
    CFileEngine();
    CFileEngine(string str);
    virtual ~CFileEngine();

    int GetEngineType() { return FILE_ENGINE; }
    virtual int GetFileType() = 0;

    bool Open(string str);

    inline void Close() { m_ofsFile.close(); }

};

#endif /* _FILE_ENGINE_H_031104_ */

#include "FileEngine.h"

CFileEngine::CFileEngine()
{
}

CFileEngine::CFileEngine(string str) : CDataEngine (str)
{
    m_ofsFile.open(m_str.c_str(), ios::out|ios::app|ios::binary);

    if( !m_ofsFile ){
        cerr << "cannot open " << m_str << "for output" << endl;
    }
}

CFileEngine::~CFileEngine()
{
    m_ofsFile.close();
}

bool CFileEngine::Open(string str)
{
    m_str = str;

    m_ofsFile.open(m_str.c_str(), ios::out|ios::app|ios::binary);

    if( !m_ofsFile )
    {
        cerr << "cannot open " << m_str << "for output" << endl;
        return false;
    } 
    else
    {
        return true;
    }
}