SNAP Library, Developer Reference  2012-10-02 12:56:23
SNAP, a general purpose network analysis and graph mining library
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Classes | Typedefs | Enumerations | Functions | Variables
fl.h File Reference
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Classes

class  TCs
class  TSOutMnp
class  TSBase
class  TSIn
class  TSOut
class  TSInOut
class  TStdIn
class  TStdOut
class  TFIn
class  TFOut
class  TFInOut
class  TMIn
class  TMOut
class  TChRet
class  TLnRet
class  TFile

Typedefs

typedef TPt< TSIn > PSIn
typedef TPt< TSOut > PSOut
typedef TPt< TSInOut > PSInOut

Enumerations

enum  TFAccess {
  faUndef, faCreate, faUpdate, faAppend,
  faRdOnly, faRestore
}

Functions

template<class T >
TSIn & operator>> (TSIn &SIn, T &Val)
template<class T >
TSOut & operator<< (TSOut &SOut, const T &Val)
void RefreshFPos ()
 TFRnd (const TFRnd &)
TFRnd & operator= (const TFRnd &)
 TFRnd (const TStr &_FNm, const TFAccess &FAccess, const bool &CreateIfNo=true, const int &_HdLen=-1, const int &_RecLen=-1)
static PFRnd New (const TStr &FNm, const TFAccess &FAccess, const bool &CreateIfNo=true, const int &HdLen=-1, const int &RecLen=-1)
 ~TFRnd ()
TStr GetFNm () const
void SetHdRecLen (const int &_HdLen, const int &_RecLen)
void SetFPos (const int &FPos)
void MoveFPos (const int &DFPos)
int GetFPos ()
int GetFLen ()
bool Empty ()
bool Eof ()
void SetRecN (const int &RecN)
int GetRecN ()
int GetRecs ()
void GetBf (void *Bf, const TSize &BfL)
void PutBf (const void *Bf, const TSize &BfL)
void Flush ()
void GetHd (void *Hd)
void PutHd (const void *Hd)
void GetRec (void *Rec, const int &RecN=-1)
void PutRec (const void *Rec, const int &RecN=-1)
void PutCs (const TCs &Cs)
TCs GetCs ()
void PutCh (const char &Ch)
void PutCh (const char &Ch, const int &Chs)
char GetCh ()
void PutUCh (const uchar &UCh)
uchar GetUCh ()
void PutInt (const int &Int)
int GetInt ()
void PutUInt (const uint &UInt)
uint GetUInt ()
void PutStr (const TStr &Str)
TStr GetStr (const int &StrLen)
TStr GetStr (const int &MxStrLen, bool &IsOk)
void PutSIn (const PSIn &SIn, TCs &Cs)
PSIn GetSIn (const int &SInLen, TCs &Cs)
static TStr GetStrFromFAccess (const TFAccess &FAccess)
static TFAccess GetFAccessFromStr (const TStr &Str)

Variables

ClassTP(TFRnd, PFRnd) private TSStr FNm
bool RecAct
int HdLen
int RecLen

Typedef Documentation

typedef TPt<TSIn> PSIn

Definition at line 116 of file fl.h.

typedef TPt<TSInOut> PSInOut

Definition at line 233 of file fl.h.

typedef TPt<TSOut> PSOut

Definition at line 208 of file fl.h.

Enumeration Type Documentation

enum TFAccess
Enumerator:
faUndef 
faCreate 
faUpdate 
faAppend 
faRdOnly 
faRestore 

Definition at line 341 of file fl.h.

{faUndef, faCreate, faUpdate, faAppend, faRdOnly, faRestore} TFAccess;

Function Documentation

bool Empty ( )

Definition at line 509 of file fl.h.

References GetFLen().

{return GetFLen()==0;}

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bool Eof ( )

Definition at line 510 of file fl.h.

References GetFLen(), and GetFPos().

{return GetFPos()==GetFLen();}

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void Flush ( )

Referenced by TCache< TKey, TDat, THashFunc >::FlushAndClr().

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void GetBf ( void *  Bf,
const TSize &  BfL 
)
char GetCh ( )

Definition at line 533 of file fl.h.

References GetBf().

{char Ch; GetBf(&Ch, sizeof(Ch)); return Ch;}

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TCs GetCs ( )

Definition at line 530 of file fl.h.

References GetBf().

{TCs Cs; GetBf(&Cs, sizeof(Cs)); return Cs;}

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TFAccess TFRnd::GetFAccessFromStr ( const TStr &  Str) [static]

Definition at line 795 of file fl.cpp.

References faAppend, faCreate, faRdOnly, faRestore, faUndef, faUpdate, and TStr::GetUc().

                                                {
  TStr UcStr=Str.GetUc();
  if (UcStr=="CREATE"){return faCreate;}
  if (UcStr=="UPDATE"){return faUpdate;}
  if (UcStr=="APPEND"){return faAppend;}
  if (UcStr=="READONLY"){return faRdOnly;}
  if (UcStr=="RESTORE"){return faRestore;}

  if (UcStr=="NEW"){return faCreate;}
  if (UcStr=="CONT"){return faUpdate;}
  if (UcStr=="CONTINUE"){return faUpdate;}
  if (UcStr=="REST"){return faRestore;}
  if (UcStr=="RESTORE"){return faRestore;}
  return faUndef;
}

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int GetFLen ( )

Referenced by Empty(), and Eof().

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TStr GetFNm ( ) const

Definition at line 59 of file xfl.h.

References CurFNm.

{return CurFNm;}
int GetFPos ( )

Referenced by Eof(), GetHd(), and PutHd().

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void GetHd ( void *  Hd)

Definition at line 520 of file fl.h.

References GetBf(), GetFPos(), HdLen, IAssert, RecAct, and SetFPos().

                      {IAssert(RecAct);
    int FPos=GetFPos(); SetFPos(0); GetBf(Hd, HdLen); SetFPos(FPos);}

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int GetInt ( )

Definition at line 537 of file fl.h.

References GetBf().

Referenced by GetInt(), TTm::GetTmFromIdStr(), and IsInt().

{int Int; GetBf(&Int, sizeof(Int)); return Int;}

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void GetRec ( void *  Rec,
const int &  RecN = -1 
)

Definition at line 524 of file fl.h.

References GetBf(), IAssert, RecAct, RecLen, and SetRecN().

                                            {
    IAssert(RecAct); if (RecN!=-1){SetRecN(RecN);} GetBf(Rec, RecLen);}

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int GetRecN ( )
int GetRecs ( )

Definition at line 430 of file xmath.h.

References Recs.

{return Recs;}
PSIn GetSIn ( const int &  SInLen,
TCs &  Cs 
)
TStr GetStr ( const int &  StrLen)
TStr GetStr ( const int &  MxStrLen,
bool &  IsOk 
)
TStr TFRnd::GetStrFromFAccess ( const TFAccess &  FAccess) [static]

Definition at line 784 of file fl.cpp.

References faAppend, faCreate, Fail, faRdOnly, faRestore, and faUpdate.

                                                    {
  switch (FAccess){
    case faCreate: return "Create";
    case faUpdate: return "Update";
    case faAppend: return "Append";
    case faRdOnly: return "ReadOnly";
    case faRestore: return "Restore";
    default: Fail; return TStr();
  }
}
uchar GetUCh ( )

Definition at line 535 of file fl.h.

References GetBf().

{uchar UCh; GetBf(&UCh, sizeof(UCh)); return UCh;}

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uint GetUInt ( )

Definition at line 539 of file fl.h.

References GetBf().

{uint UInt; GetBf(&UInt, sizeof(UInt)); return UInt;}

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void TFRnd::MoveFPos ( const int &  DFPos)

Definition at line 676 of file fl.cpp.

References EAssertR, FNm, and SEEK_CUR.

                                    {
  EAssertR(
   fseek(FileId, DFPos, SEEK_CUR)==0,
   "Error seeking into file '"+TStr(FNm)+"'.");
}
static PFRnd New ( const TStr &  FNm,
const TFAccess &  FAccess,
const bool &  CreateIfNo = true,
const int &  HdLen = -1,
const int &  RecLen = -1 
) [static]

Definition at line 495 of file fl.h.

References TFRnd().

                                             {
    return new TFRnd(FNm, FAccess, CreateIfNo, HdLen, RecLen);}

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template<class T >
TSOut& operator<< ( TSOut &  SOut,
const T &  Val 
)

Definition at line 211 of file fl.h.

References TSOut::Save().

                                            {
  Val.Save(SOut); return SOut;
}

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TFRnd& operator= ( const TFRnd &  ) [private]
template<class T >
TSIn& operator>> ( TSIn &  SIn,
T &  Val 
)

Definition at line 119 of file fl.h.

References TSIn::Load().

                                    {
  Val.Load(SIn); return SIn;
}

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void PutBf ( const void *  Bf,
const TSize &  BfL 
)

Referenced by PutCh(), PutCs(), PutHd(), PutInt(), PutRec(), PutSIn(), PutUCh(), and PutUInt().

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void PutCh ( const char &  Ch)

Definition at line 531 of file fl.h.

References PutBf().

{PutBf(&Ch, sizeof(Ch));}

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void PutCh ( const char &  Ch,
const int &  Chs 
)
void PutCs ( const TCs &  Cs)

Definition at line 529 of file fl.h.

References PutBf().

{PutBf(&Cs, sizeof(Cs));}

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void PutHd ( const void *  Hd)

Definition at line 522 of file fl.h.

References GetFPos(), HdLen, IAssert, PutBf(), RecAct, and SetFPos().

                            {IAssert(RecAct);
    int FPos=GetFPos(); SetFPos(0); PutBf(Hd, HdLen); SetFPos(FPos);}

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void PutInt ( const int &  Int)

Definition at line 536 of file fl.h.

References PutBf().

{PutBf(&Int, sizeof(Int));}

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void PutRec ( const void *  Rec,
const int &  RecN = -1 
)

Definition at line 526 of file fl.h.

References IAssert, PutBf(), RecAct, RecLen, and SetRecN().

                                                  {
    IAssert(RecAct); if (RecN!=-1){SetRecN(RecN);} PutBf(Rec, RecLen);}

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void TFRnd::PutSIn ( const PSIn &  SIn,
TCs &  Cs 
)

Definition at line 767 of file fl.cpp.

References Bf, TSIn::GetBf(), TCs::GetCsFromBf(), TSIn::Len(), and PutBf().

                                          {
  int BfL=SIn->Len();
  char* Bf=new char[BfL];
  SIn->GetBf(Bf, BfL);
  Cs=TCs::GetCsFromBf(Bf, BfL);
  PutBf(Bf, BfL);
  delete[] Bf;
}

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void PutStr ( const TStr &  Str)

Definition at line 28 of file json.h.

References jvtStr, and Str.

{JsonValType=jvtStr; Str=_Str;}
void PutUCh ( const uchar &  UCh)

Definition at line 534 of file fl.h.

References PutBf().

{PutBf(&UCh, sizeof(UCh));}

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void PutUInt ( const uint &  UInt)

Definition at line 538 of file fl.h.

References PutBf().

{PutBf(&UInt, sizeof(UInt));}

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void TFRnd::RefreshFPos ( ) [private]

Definition at line 638 of file fl.cpp.

References EAssertR, FNm, and SEEK_CUR.

                       {
  EAssertR(
   fseek(FileId, 0, SEEK_CUR)==0,
   "Error seeking into file '"+TStr(FNm)+"'.");
}
void SetFPos ( const int &  FPos)

Referenced by GetHd(), and PutHd().

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void SetHdRecLen ( const int &  _HdLen,
const int &  _RecLen 
)

Definition at line 502 of file fl.h.

References HdLen, RecAct, and RecLen.

                                                         {
    HdLen=_HdLen; RecLen=_RecLen; RecAct=(HdLen>=0)&&(RecLen>0);}
void SetRecN ( const int &  RecN)

Referenced by GetRec(), and PutRec().

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TFRnd ( const TFRnd &  ) [private]

Referenced by New().

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TFRnd::TFRnd ( const TStr &  _FNm,
const TFAccess &  FAccess,
const bool &  CreateIfNo = true,
const int &  _HdLen = -1,
const int &  _RecLen = -1 
)

Definition at line 644 of file fl.cpp.

References TSStr::CStr(), EAssertR, faAppend, faCreate, Fail, faRdOnly, faUpdate, FNm, HdLen, RecAct, RecLen, and SEEK_END.

                                                               :
  FileId(NULL), FNm(_FNm.CStr()),
  RecAct(false), HdLen(_HdLen), RecLen(_RecLen){
  RecAct=(HdLen>=0)&&(RecLen>0);
  switch (FAccess){
    case faCreate: FileId=fopen(FNm.CStr(), "w+b"); break;
    case faUpdate: FileId=fopen(FNm.CStr(), "r+b"); break;
    case faAppend: FileId=fopen(FNm.CStr(), "r+b");
      if (FileId!=NULL){fseek(FileId, SEEK_END, 0);} break;
    case faRdOnly: FileId=fopen(FNm.CStr(), "rb"); break;
    default: Fail;
  }
  if ((FileId==NULL)&&(CreateIfNo)){
    FileId=fopen(FNm.CStr(), "w+b");}
  EAssertR(FileId!=NULL, "Can not open file '"+_FNm+"'.");
}

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TFRnd::~TFRnd ( )

Definition at line 662 of file fl.cpp.

References EAssertR, and FNm.

             {
  EAssertR(fclose(FileId)==0, "Can not close file '"+TStr(FNm)+"'.");
}

Variable Documentation

ClassTP (TFRnd, PFRnd) private TSStr FNm

Definition at line 481 of file fl.h.

Referenced by TFile::DelWc(), TGHash< TDat >::DrawGViz(), TStr::GetFNmStr(), GetFNmV(), TFile::GetUniqueFNm(), MoveFPos(), Next(), TStr::PutFBaseIfEmpty(), TStr::PutFExtIfEmpty(), RefreshFPos(), SaveToErrLog(), TFRnd(), TNcpGraphsBase::TNcpGraphsBase(), and ~TFRnd().

int HdLen

Definition at line 486 of file fl.h.

Referenced by GetHd(), PutHd(), SetHdRecLen(), and TFRnd().

bool RecAct

Definition at line 485 of file fl.h.

Referenced by GetHd(), GetRec(), PutHd(), PutRec(), SetHdRecLen(), and TFRnd().

int RecLen

Definition at line 486 of file fl.h.

Referenced by GetRec(), PutRec(), SetHdRecLen(), and TFRnd().