selectfile.cpp

COM 组建的开发

// SelectFile.cpp: implementation of the CSelectFile class.
//
//////////////////////////////////////////////////////////////////////

#include "stdafx.h"
#include "resource.h"
#include "SelectFile.h"
#include <io.h>
#ifdef _DEBUG
#undef THIS_FILE
static char THIS_FILE[]=__FILE__;
#define new DEBUG_NEW
#endif

//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////

CSelectFile::CSelectFile()
{
	m_strFilePatchName = "";
	m_rs = start;
	nFileLen = -1;
}

CSelectFile::~CSelectFile()
{
	
}

// 获取文件所在的路径 [5/6/2008 By willing]
CString CSelectFile::GetFilePatch()
{
	if ("" == m_strFilePatchName)
	{
		return "";
	}
	if (FALSE == IsExist())
	{
		// 文件不存在 [5/6/2008 By willing]
		return "";
	}
	int nIndex = m_strFilePatchName.ReverseFind('\\');
	if (0 > nIndex)
	{
		return "";
	}
	return m_strFilePatchName.Left(nIndex+1);
}
// 判断该文件是否存在 [5/6/2008 By willing]
BOOL CSelectFile::IsExist()
{
	BOOL bRe = FALSE;// 默认不存在 [5/6/2008 By willing]
	if (_access(m_strFilePatchName,0) == 0)
	{
		bRe = TRUE;
	}
	return bRe;
}
// 获取文件名称，不含路径 [5/6/2008 By willing]
CString CSelectFile::GetFileName()
{
	if ("" == m_strFilePatchName)
	{
		return "";
	}
	if (FALSE == IsExist())
	{
		// 文件不存在 [5/6/2008 By willing]
		return "";
	}
	int nIndex = m_strFilePatchName.ReverseFind('\\');
	if (0 > nIndex)
	{
		return "";
	}
	return m_strFilePatchName.Right(m_strFilePatchName.GetLength() - nIndex - 1);
}
// 获取文件的扩展名 [5/6/2008 By willing]
DWORD CSelectFile::GetFileExt(CString &strExt)
{
	if ("" == m_strFilePatchName)
	{
		return -1;
	}
	if (FALSE == IsExist())
	{
		// 文件不存在,或不具有可读属性 [5/6/2008 By willing]
		return -2;
	}
	int nIndex = m_strFilePatchName.ReverseFind('.');
	if (0 > nIndex)
	{
		// 该文件没有扩展名 [5/6/2008 By willing]
		strExt="";
		return 0;
	}
	strExt =  m_strFilePatchName.Right(m_strFilePatchName.GetLength() - nIndex - 1);
	return 0;
}
// 获取文件的完整的路径 [5/7/2008 By willing]
CString CSelectFile::GetFilePatchName()
{
	return m_strFilePatchName;
}
// 设置文件的完成路径 [5/7/2008 By willing]
void CSelectFile::SetFilePatchName(const CString strFilePatchName)
{
	m_strFilePatchName = strFilePatchName;
	return;
}
// 判断是否是文件 [5/7/2008 By willing]
BOOL CSelectFile::IsFile()
{
	if ("" == m_strFilePatchName)
	{
		return FALSE;
	}
    WIN32_FIND_DATA fd;
    HANDLE hFind = ::FindFirstFile(m_strFilePatchName,&fd);
    if (hFind == INVALID_HANDLE_VALUE)
    {
        return FALSE;
    }
    // 判断是否是文件夹 [5/25/2007 Add By willing]
    if (fd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
    {
		::FindClose(hFind);
		return FALSE;
    }else{
		::FindClose(hFind);
		return TRUE;
    }
	return FALSE;
}
// 获取文件长度 [5/7/2008 By willing]
int CSelectFile::GetFileLen()
{
	if (nFileLen != -1)
	{
		return nFileLen;
	}

	CString strMsg = "";
	CFile selfile;
	OutputDebugString("判断文件大小");
	OutputDebugString(m_strFilePatchName);
	if (FALSE == selfile.Open(m_strFilePatchName,CFile::shareDenyRead))
	{
		strMsg.Format("打开文件失败 %0x",GetLastError());
		OutputDebugString(strMsg);
		return -1;
	}
	nFileLen = selfile.GetLength();
	selfile.Close();
	return nFileLen;
}
// 获取当该文件的处理进度状态 [5/8/2008 By willing]
RunState CSelectFile::GetRunState()
{
	return m_rs;
}
// 设置状态 [5/8/2008 By willing]
void CSelectFile::SetRunState(const RunState rs)
{
	m_rs = rs;
	return;
}
// 获取加密后的要生成的加密文件名称 [5/8/2008 By willing]
CString CSelectFile::GetEncFilePatchName()
{
	if ("" == m_strFilePatchName)
	{
		return "";
	}
	if (IsFile() == FALSE)
	{
		return "";
	}
	CString strExt = "";
	if (GetFileExt(strExt) != 0)
	{
		return "";
	}
	CString strRe = m_strFilePatchName;
	if ("" == strExt)
	{
		// 带加密文件没有扩展名 [5/8/2008 By willing]
		strRe += ".jde";
	}else{
		strExt = "."+strExt;
		strRe.Replace(strExt,".jde");
	}
	return strRe;		
}
// 清空该对象的所有信息 [8/12/2008 By willing]
void CSelectFile::Clear()
{
	return;
	m_strFilePatchName = "";
	m_rs = start;
	nFileLen = -1;
}
// 判断该文件是否是加密过的文件 [8/15/2008 By willing]
BOOL CSelectFile::CheckFile()
{
	CString strExt = "";
	if (GetFileExt(strExt) != 0)
	{
		return TRUE;
	}
	if ("" == strExt)
	{
		return FALSE;
	}else if (strExt == "jde"){
		return TRUE;
	}
	return FALSE;
}