非递归遍历,参见代码

m_exts里应该写类似于"h;cpp;c;php"这样的

  1. void wxWidgetsTestDialog::Onm_browseClick(wxCommandEvent& event) 
  2. { 
  3.     wxDirDialog dirDlg(this, 
  4.                        "Select a folder contains source files", 
  5.                        wxEmptyString 
  6.                        ); 
  7.     dirDlg.ShowModal(); 
  8.     wxString path = dirDlg.GetPath(); 
  9.     // the user did not select any folder 
  10.     if(path == wxEmptyString) 
  11.     { 
  12.         return; 
  13.     } 
  14.     wxString exts = this->m_exts->GetValue(); 
  15.     wxArrayString extArray = wxSplit(exts,';'); 
  16.     if(extArray.empty()) 
  17.     { 
  18.         wxMessageBox("file filter is empty."); 
  19.         return; 
  20.     } 
  21.     // get the selected folder 
  22.     this->m_targetFolder->SetLabel(path); 
  23.     this->m_resultMessage->SetLabel("parsing...\n"); 
  24.     wxSetWorkingDirectory(path); 
  25.     std::queue<wxString> openList;                                 // construct a openList 
  26.     std::vector<wxString> searchResults;                           // construct a search result vector 
  27.     openList.push(path); 
  28.     while(!openList.empty()) 
  29.     { 
  30.         wxString currentPath = openList.front(); 
  31.         wxSetWorkingDirectory(currentPath); 
  32.         openList.pop(); 
  33.         wxString findResult = wxFindFirstFile("*.*",0);             // search file & dir 
  34.         while(findResult != wxEmptyString) 
  35.         { 
  36.             wxString fullPath = wxGetCwd()+"\\"+findResult;         // get the file's full path 
  37.             // if the file is a directory , add to openList 
  38.             if(wxDirExists(fullPath)) 
  39.             { 
  40.                 openList.push(fullPath); 
  41.             } 
  42.             else 
  43.             { 
  44.                 wxString curExt; 
  45.                 wxSplitPath(fullPath,NULL,NULL,&curExt); 
  46.                 int len = extArray.size(); 
  47.                 for(int i = 0;i<len;i++) 
  48.                 { 
  49.                     if(curExt == extArray[i]) 
  50.                     { 
  51.                         searchResults.push_back(fullPath); 
  52.                     } 
  53.                 } 
  54.             } 
  55.             findResult = wxFindNextFile(); 
  56.         } 
  57.     } 
  58.  
  59.     unsigned int linesTotal = 0; 
  60.  
  61.     BOOST_FOREACH(wxString item,searchResults) 
  62.     { 
  63.         int ret = GetFileLineCount(item); 
  64.         this->m_resultMessage->AppendText(wxString::Format("file: %s , %d lines.\n",item.c_str(),ret)); 
  65.         linesTotal += ret; 
  66.     } 
  67.  
  68.     this->m_resultMessage->AppendText(wxString::Format("%d lines total.",linesTotal)); 
  69. } 


 


  1. unsigned int GetFileLineCount(wxString path) 
  2. { 
  3.     unsigned int count = 0; 
  4.     wxFile file; 
  5.     if(!file.Open(path)) 
  6.     { 
  7.         return 0; 
  8.     } 
  9.     wxFileInputStream fileInputStream(path); 
  10.     wxTextInputStream textStream(fileInputStream); 
  11.  
  12.     wxString temp =   textStream.ReadLine(); 
  13.     while(fileInputStream.CanRead()) 
  14.     { 
  15.         count ++; 
  16.         temp = textStream.ReadLine(); 
  17.     } 
  18.     return count; 
  19. }