TFInOut Class Reference

#include <fl.h>

Inheritance diagram for TFInOut:

Collaboration diagram for TFInOut:

List of all members.

Public Member Functions
	TFInOut (const TStr &FNm, const TFAccess &FAccess, const bool &CreateIfNo)
	~TFInOut ()
TStr	GetFNm () const
TFileId	GetFileId () const
bool	Eof ()
int	Len () const
char	GetCh ()
char	PeekCh ()
int	GetBf (const void *LBf, const TSize &LBfL)
bool	GetNextLnBf (TChA &LnChA)
void	SetPos (const int &Pos)
void	MovePos (const int &DPos)
int	GetPos () const
int	GetSize () const
void	Clr ()
int	PutCh (const char &Ch)
int	PutBf (const void *LBf, const TSize &LBfL)
void	Flush ()
Static Public Member Functions
static PSInOut	New (const TStr &FNm, const TFAccess &FAccess, const bool &CreateIfNo)
Private Member Functions
	TFInOut ()
	TFInOut (const TFIn &)
TFInOut &	operator= (const TFIn &)
Private Attributes
TFileId	FileId

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Detailed Description

Definition at line 349 of file fl.h.

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Constructor & Destructor Documentation

TFInOut::TFInOut

(

)

[private]

Referenced by New().

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TFInOut::TFInOut

(

const TFIn &

)

[private]

TFInOut::TFInOut	(	const TStr &	FNm,
		const TFAccess &	FAccess,
		const bool &	CreateIfNo
	)

Definition at line 475 of file fl.cpp.

References TStr::CStr(), faAppend, faCreate, Fail, faRdOnly, faUpdate, FileId, IAssert, and SEEK_END.

                                                                                 :
 TSBase(TSStr(FNm.CStr())), FileId(NULL) {
  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");}
  IAssert(FileId!=NULL);
}

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TFInOut::~TFInOut

(

)

[inline]

Definition at line 359 of file fl.h.

References FileId, and IAssert.

{ if (FileId!=NULL) IAssert(fclose(FileId) == 0); }

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Member Function Documentation

void TFInOut::Clr

(

)

[inline, virtual]

Implements TSInOut.

Definition at line 375 of file fl.h.

References Fail.

{ Fail; }

bool TFInOut::Eof

(

)

[inline, virtual]

Implements TSIn.

Definition at line 364 of file fl.h.

References FileId.

{ return feof(FileId) != 0; }

void TFInOut::Flush

(

)

[inline, virtual]

Implements TSOut.

Definition at line 379 of file fl.h.

References FileId, and IAssert.

{ IAssert(fflush(FileId) == 0); }

int TFInOut::GetBf	(	const void *	LBf,
		const TSize &	LBfL
	)		[virtual]

Implements TSIn.

Definition at line 510 of file fl.cpp.

References FileId, and IAssert.

                                                     {
  IAssert(fread((void *)LBf, sizeof(char), LBfL, FileId) == (size_t) LBfL);
  int LBfS = 0;
  for (TSize i = 0; i < LBfL; i++) {
    LBfS += ((char *)LBf)[i];
  }
  return LBfS;
}

char TFInOut::GetCh

(

)

[inline, virtual]

Implements TSIn.

Definition at line 366 of file fl.h.

References FileId.

Referenced by PeekCh().

{ return char(fgetc(FileId)); }

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TFileId TFInOut::GetFileId

(

)

const [inline, virtual]

Reimplemented from TSOut.

Definition at line 362 of file fl.h.

References FileId.

{return FileId;}

TStr TFInOut::GetFNm

(

)

const

Definition at line 525 of file fl.cpp.

References TSBase::GetSNm().

                           {
  return GetSNm();
}

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bool TFInOut::GetNextLnBf

(

TChA &

LnChA

)

[virtual]

Implements TSIn.

Definition at line 519 of file fl.cpp.

References FailR, and TStr::Fmt().

                                    {
  // not implemented
  FailR(TStr::Fmt("TFInOut::GetNextLnBf: not implemented").CStr());
  return false;
}

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int TFInOut::GetPos

(

)

const [inline, virtual]

Implements TSInOut.

Definition at line 373 of file fl.h.

References FileId.

Referenced by GetSize(), and Len().

{ return (int) ftell(FileId); }

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int TFInOut::GetSize

(

)

const [virtual]

Implements TSInOut.

Definition at line 493 of file fl.cpp.

References FileId, GetPos(), IAssert, SEEK_END, and SEEK_SET.

Referenced by Len().

                           {
  const int FPos = GetPos();
  IAssert(fseek(FileId, 0, SEEK_END) == 0);
  const int FLen = GetPos();
  IAssert(fseek(FileId, FPos, SEEK_SET) == 0);
  return FLen;
}

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int TFInOut::Len

(

)

const [inline, virtual]

Implements TSIn.

Definition at line 365 of file fl.h.

References GetPos(), and GetSize().

{ return GetSize() - GetPos(); } // bytes till eof

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void TFInOut::MovePos

(

const int &

DPos

)

[inline, virtual]

Implements TSInOut.

Definition at line 372 of file fl.h.

References FileId, IAssert, and SEEK_CUR.

Referenced by PeekCh().

{ IAssert(fseek(FileId, DPos, SEEK_CUR)==0); }

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PSInOut TFInOut::New	(	const TStr &	FNm,
		const TFAccess &	FAccess,
		const bool &	CreateIfNo
	)		[static]

Definition at line 489 of file fl.cpp.

References TFInOut().

                                                                                     {
  return PSInOut(new TFInOut(FNm, FAccess, CreateIfNo));
}

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TFInOut& TFInOut::operator=

(

const TFIn &

)

[private]

char TFInOut::PeekCh

(

)

[inline, virtual]

Implements TSIn.

Definition at line 367 of file fl.h.

References GetCh(), and MovePos().

{ const char Ch = GetCh();  MovePos(-1);  return Ch; }

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int TFInOut::PutBf	(	const void *	LBf,
		const TSize &	LBfL
	)		[virtual]

Implements TSOut.

Definition at line 501 of file fl.cpp.

References FileId, and IAssert.

Referenced by PutCh().

                                                     {
  int LBfS = 0;
  for (TSize i = 0; i < LBfL; i++) {
    LBfS += ((char *)LBf)[i];
  }
  IAssert(fwrite(LBf, sizeof(char), LBfL, FileId) == (size_t) LBfL);
  return LBfS;
}

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int TFInOut::PutCh

(

const char &

Ch

)

[inline, virtual]

Implements TSOut.

Definition at line 377 of file fl.h.

References PutBf().

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

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void TFInOut::SetPos

(

const int &

Pos

)

[inline, virtual]

Implements TSInOut.

Definition at line 371 of file fl.h.

References FileId, IAssert, and SEEK_SET.

{ IAssert(fseek(FileId, Pos, SEEK_SET)==0); }

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Member Data Documentation

TFileId TFInOut::FileId [private]

Definition at line 351 of file fl.h.

Referenced by Eof(), Flush(), GetBf(), GetCh(), GetFileId(), GetPos(), GetSize(), MovePos(), PutBf(), SetPos(), TFInOut(), and ~TFInOut().

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The documentation for this class was generated from the following files:

• glib-core/fl.h
• glib-core/fl.cpp