C++ (Cpp) GetSNm Examples

Example #1

File: fl.cpp Project: andrejmuhic/qminer

void TFIn::FillBf(){
  EAssertR(
   (BfC==BfL)&&((BfL==-1)||(BfL==MxBfL)),
   "Error reading file '"+GetSNm()+"'.");
  BfL=int(fread(Bf, 1, MxBfL, FileId));
  EAssertR((BfC!=0)||(BfL!=0), "Error reading file '"+GetSNm()+"'.");
  BfC=0;
}

Example #2

File: zipfl.cpp Project: Bradeskojest/qminer

void TZipOut::Flush(){
  FlushBf();
  #ifdef GLib_WIN
  EAssertR(FlushFileBuffers(ZipStdinWr)!=0, "Can not flush file '"+GetSNm()+"'.");
  #else
  EAssertR(fflush(ZipStdinWr)==0, "Can not flush file '"+GetSNm()+"'.");
  #endif
}

Example #3

File: zipfl.cpp Project: Bradeskojest/qminer

void TZipIn::FillBf(){
  EAssertR(CurFPos < FLen, "End of file "+GetSNm()+" reached.");
  EAssertR((BfC==BfL)/*&&((BfL==-1)||(BfL==MxBfL))*/, "Error reading file '"+GetSNm()+"'.");
  #ifdef GLib_WIN
  // Read output from the child process
  DWORD BytesRead;
  EAssert(ReadFile(ZipStdoutRd, Bf, MxBfL, &BytesRead, NULL) != 0);
  #else
  size_t BytesRead = fread(Bf, 1, MxBfL, ZipStdoutRd);
  EAssert(BytesRead != 0);
  #endif
  BfL = (int) BytesRead;
  CurFPos += BytesRead;
  EAssertR((BfC!=0)||(BfL!=0), "Error reading file '"+GetSNm()+"'.");
  BfC = 0;
}

Example #4

File: fl.cpp Project: andrejmuhic/qminer

void TSIn::Load(char*& CStr){
  char Ch; Load(Ch);
  int CStrLen=int(Ch);
  EAssertR(CStrLen>=0, "Error reading stream '"+GetSNm()+"'.");
  CStr=new char[CStrLen+1];
  if (CStrLen>0){Cs+=GetBf(CStr, CStrLen);}
  CStr[CStrLen]=TCh::NullCh;
}

Example #5

File: fl.cpp Project: andrejmuhic/qminer

int TFIn::GetFLen() const {
  const int FPos=GetFPos();
  EAssertR(
   fseek(FileId, 0, SEEK_END)==0,
   "Error seeking into file '"+GetSNm()+"'.");
  const int FLen=GetFPos(); SetFPos(FPos);
  return FLen;
}

Example #6

File: fl.cpp Project: andrejmuhic/qminer

// reads LBfL bytes into LBf
int TFIn::GetBf(const void* LBf, const TSize& LBfL){
  int LBfS=0;
  if (TSize(BfC+LBfL)>TSize(BfL)){
    for (TSize LBfC=0; LBfC<LBfL; LBfC++){
      if (BfC==BfL){
        FillBf();
        // we tried to fill a buffer (that is used in the next statement).
        // the available buffer BfL therefore has to be non-empty
        EAssertR(BfL > 0, "Unable to fill a buffer from " + GetSNm() + "'.");
      }
      LBfS+=((char*)LBf)[LBfC]=Bf[BfC++];}
  } else {
    for (TSize LBfC=0; LBfC<LBfL; LBfC++){
      LBfS+=(((char*)LBf)[LBfC]=Bf[BfC++]);}
  }
  return LBfS;
}

Example #7

File: fl.cpp Project: andrejmuhic/qminer

TStr TFInOut::GetFNm() const {
  return GetSNm();
}

Example #8

File: fl.cpp Project: andrejmuhic/qminer

void TFOut::Flush(){
  FlushBf();
  EAssertR(fflush(FileId)==0, "Can not flush file '"+GetSNm()+"'.");
}

Example #9

File: fl.cpp Project: andrejmuhic/qminer

TFOut::~TFOut(){
  if (FileId!=NULL){FlushBf();}
  if (Bf!=NULL){delete[] Bf;}
  if (FileId!=NULL){
    EAssertR(fclose(FileId)==0, "Can not close file '"+GetSNm()+"'.");}
}

Example #10

File: fl.cpp Project: andrejmuhic/qminer

void TFOut::FlushBf(){
  EAssertR(
   fwrite(Bf, 1, BfL, FileId)==BfL,
   "Error writting to the file '"+GetSNm()+"'.");
  BfL=0;
}

Example #11

File: fl.cpp Project: andrejmuhic/qminer

void TSIn::LoadCs(){
  TCs CurCs=Cs; TCs TestCs;
  Cs+=GetBf(&TestCs, sizeof(TestCs));
  EAssertR(CurCs==TestCs, "Invalid checksum reading '"+GetSNm()+"'.");
}

Example #12

File: fl.cpp Project: andrejmuhic/qminer

int TFIn::GetFPos() const {
  const int FPos=(int)ftell(FileId);
  EAssertR(FPos!=-1, "Error seeking into file '"+GetSNm()+"'.");
  return FPos;
}

Example #13

File: fl.cpp Project: andrejmuhic/qminer

void TFIn::SetFPos(const int& FPos) const {
  EAssertR(
   fseek(FileId, FPos, SEEK_SET)==0,
   "Error seeking into file '"+GetSNm()+"'.");
}

Example #14

File: fl.cpp Project: andrejmuhic/qminer

void TSOut::Save(const char* CStr){
  int CStrLen=int(strlen(CStr));
  EAssertR(CStrLen<=127, "Error writting stream '"+GetSNm()+"'.");
  Save(char(CStrLen));
  if (CStrLen>0){Cs+=PutBf(CStr, CStrLen);}
}

Example #15

File: zipfl.cpp Project: Bradeskojest/qminer

void TZipOut::FlushBf() {
  #ifdef GLib_WIN
  DWORD BytesOut;
  EAssertR(WriteFile(ZipStdinWr, Bf, DWORD(BfL), &BytesOut, NULL)!=0, "Error writting to the file '"+GetSNm()+"'.");
  #else
  size_t BytesOut = fwrite(Bf, 1, BfL, ZipStdinWr);
  #endif
  EAssert(BytesOut == BfL);
  BfL = 0;
}