TnbDeepFileFinder.h

[詳解]

#pragma once
#include "TnbFileFinder.h"
 
 
 
//TNB Library
namespace TNB
{
 
 
 
template<typename TYP = CFileFinder>
class CDeepFileFinderT
{
public:
 
    CDeepFileFinderT(void) : m_depth(0), m_continue(true), m_result(0)
    {
        #ifdef _DEBUG
            TYP ff;
            CAbstractFileFinder* P = &ff;       // ここでエラー出る場合、 TYP に CAbstractFileFinder のサブクラスを指定して無い可能性があります。
            IgnoreUnusedValue(P);
        #endif
    }
 
    DWORD Execute(LPCTSTR lpszPath)
    {
        m_depth = 0;
        m_continue = true;
        m_result = 0;
        m_Find(lpszPath);
        return m_result;
    }
 
protected:
 
    void OndemandStop(DWORD result)
    {
        m_result = result;
        m_continue = false;
    }
 
    virtual void OnStartFindFolder(TYP& finder, LPCTSTR lpszTargetPath, int depth)
    {
    }
 
    virtual bool OnFoundFolder(LPCTSTR lpszFoundFolder, const WIN32_FIND_DATA& data, int depth)
    {
        ::OutputDebugString(_T("OnFoundFolder("));
        ::OutputDebugString(lpszFoundFolder);
        ::OutputDebugString(_T(")\n"));
        return true;
    }
 
    virtual void OnFoundFile(LPCTSTR lpszFoundName, const WIN32_FIND_DATA& data, int depth)
    {
        ::OutputDebugString(_T("OnFoundFile("));
        ::OutputDebugString(lpszFoundName);
        ::OutputDebugString(_T(")\n"));
    }
 
private:
    int     m_depth;    
    bool    m_continue; 
    DWORD   m_result;   
    // 検索処理
    void m_Find(LPCTSTR lpszPath)
    {
        m_depth++;
        if ( m_continue )
        {
            TYP ff;
            OnStartFindFolder(ff, lpszPath, m_depth);
            if ( m_continue && ff.Start(lpszPath, _T("\\*")) )
            {
                do
                {
                    CStr fileName = ff->cFileName; 
                    CStr fullPath;
                    fullPath.Format(_T("%s\\%s"), lpszPath, fileName);
                    if ( (ff->dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) != 0 )
                    {
                        // Dir
                        if ( OnFoundFolder(fullPath, ff.Get(), m_depth) )
                        {
                            m_Find(fullPath);
                        }
                    } 
                    else
                    {
                        OnFoundFile(fullPath, ff.Get(), m_depth);
                    }
                } 
                while ( m_continue && ff.Next() );
            }
        }
        m_depth--;
    }
};
 
 
 
typedef CDeepFileFinderT<> CDeepFileFinder;
 
 
 
}; // TNB