예제 #1
0
//http://courses.cs.vt.edu/cs2604/fall02/binio.html
//Binary files
int FileIO::dataOpenFile()
{
   std::string fileName;// = getFileName();
   std::string input;
   bool newFile=false;
   
   while (true){
      fileName = getFileName();
      system("CLS");
      cout<<"I will now try to open the file \""<<fileName<<"\"."<<endl;
      cout<<"Is this right? Enter Y to continue, Q to quit, and anything else to try again."<<endl;
      cout<<"If the file does not exist, please press C instead."<<endl;
      cin>>input;
      if (input=="Y"||input=="y"){
         break;
      }
      if (input=="C"||input=="c"){
         newFile=true;
         break;
      }
      if (input=="Q"||input=="q"){
         return 0;
      }
      
   }
   
   if (newFile){
      myfile.open(filePath.c_str(), ios::out | ios::binary);//creates the file
      myfile.close();
      myfile.open(filePath.c_str(), ios::out | ios::in | ios::binary);//Actually leaves it open.
      isBinary=true;
      fileLength=0;
      fileConstructor();
      return 1;
   }
   
   myfile.open(filePath.c_str(), ios::out | ios::in | ios::binary);
   isBinary=true;
   
   myfile.seekg (0, myfile.end);
   fileLength = myfile.tellg();//Finds the length of the file.
   myfile.seekg (0, myfile.beg);
   fileConstructor();
   return 1;
}
예제 #2
0
int FileIO::textOpenFile()
{
   std::string fileName;
   std::string input;
   bool newFile=false;
   
   while (true){
      fileName = getFileName();
      system("CLS");
      cout<<"I will now try to open the file \""<<fileName<<"\"."<<endl;
      cout<<"Is this right? Enter Y to continue, Q to quit, and anything else to try again."<<endl;
      cout<<"If the file does not exist, please press C instead."<<endl;
      cin>>input;
      if (input=="Y"||input=="y"){
         break;
      }
      if (input=="C"||input=="c"){
         newFile=true;
         break;
      }
      if (input=="Q"||input=="q"){
         return 0;
      }
   }
   
   //fileName = getFileName();
   if (newFile){
      myfile.open(filePath.c_str(), ios::out);//creates the file
      myfile.close();
      myfile.open(filePath.c_str(), ios::out | ios::in);
      isBinary=false;
      fileLength=0;
      fileConstructor();
      return 1;
   }
   
   myfile.open(filePath.c_str(), ios::out | ios::in);
   if (myfile.is_open()){
      isBinary=false;
      fileConstructor();
      return 1;
   }
}
예제 #3
0
//Takes a string, and opens the file at that location.
int FileIO::dataOpenFile(std::string filePath, bool isFirstTime)
{
   if (isFirstTime){
      myfile.open(filePath.c_str(), std::ios::out);//creates the file
      myfile.close();
      myfile.open(filePath.c_str(), std::ios::out | std::ios::in);
      isBinary=true;
      fileLength=0;
      fileConstructor();
      return 1;
   }

   myfile.open(filePath.c_str(), std::ios::out | std::ios::in);

   if (myfile.is_open()){
      isBinary=true;
      fileConstructor();
      return 1;
   }

return 0;//file is not open
}
예제 #4
0
파일: ejsFile.c 프로젝트: coordcn/ejs
PUBLIC EjsFile *ejsCreateFile(Ejs *ejs, cchar *path)
{
    EjsFile     *fp;
    EjsObj      *arg;

    assert(path && *path);

    fp = ejsCreateObj(ejs, ESV(File), 0);
    if (fp == 0) {
        return 0;
    }
    arg = (EjsObj*) ejsCreateStringFromAsc(ejs, path);
    fileConstructor(ejs, fp, 1, (EjsObj**) &arg);
    return fp;
}