unit1.cpp

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//---------------------------------------------------------------------------
#include <vcl.h>
#include <io.h>
#pragma hdrstop

#include "Unit1.h"
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma resource "*.dfm"
TForm1 *Form1;
//---------------------------------------------------------------------------
__fastcall TForm1::TForm1(TComponent* Owner)
        : TForm(Owner)
{
}
//---------------------------------------------------------------------------
void __fastcall TForm1::WriteString(int ff,AnsiString ss)
{
  AnsiString ass;
  int nn;
  ass=ss+"\r\n";
  nn=ass.Length();
  FileWrite(ff,ass.c_str(),nn);
}
//---------------------------------------------------------------------------
AnsiString __fastcall TForm1::ReadString(int ff)
{
  AnsiString ass;
  char ss[2];
  int nn;
  ass="";
  ss[1]=0;
  for(;;)
  {
    nn=FileRead(ff,ss,1);
    if(nn<1)
    {
      ass="~~~END~~~";
      break;
    }
    if((ss[0]==0x0d)||(ss[0]==0x0a))
    {
      if(ass!="")break;
    }
    else
    {
      ass=ass+ss;
    }
  }
  return ass;
}
//---------------------------------------------------------------------------
void __fastcall TForm1::Button2Click(TObject *Sender)
{
  int ii,ff;
  if(SaveDialog1->Execute())
  {
    ff=FileCreate(SaveDialog1->FileName);
    if(ff==-1)return;
    for(ii=0;ii<Memo1->Lines->Count;ii++)
    {
      WriteString(ff,Memo1->Lines->Strings[ii]);
    }
    FileClose(ff);
  }
}
//---------------------------------------------------------------------------
void __fastcall TForm1::Button1Click(TObject *Sender)
{
  int ff;
  AnsiString ass;
  if(OpenDialog1->Execute())
  {
    ff=FileOpen(OpenDialog1->FileName, fmOpenRead);
    if(ff==-1)return;
    Memo1->Clear();
    for(;;)
    {
      ass=ReadString(ff);
      if(ass=="~~~END~~~")break;
      else Memo1->Lines->Add(ass);
    }
    FileClose(ff);
  }
}
//---------------------------------------------------------------------------
void __fastcall TForm1::Button3Click(TObject *Sender)
{
  int nn,ff;
  AnsiString ass;
  char ss[2];
  if(OpenDialog1->Execute())
  {
    ff=FileOpen(OpenDialog1->FileName, fmOpenRead);
    if(ff==-1)return;
    Memo1->Text="";
    for(;;)
    {
      nn=FileRead(ff,ss,1);
      if(nn<1)break;
      Memo1->Text=Memo1->Text+ss;
    }
    FileClose(ff);
  }
}
//---------------------------------------------------------------------------

void __fastcall TForm1::Button4Click(TObject *Sender)
{
  int ii,ff,nn;
  if(SaveDialog1->Execute())
  {
    ff=FileCreate(SaveDialog1->FileName);
    if(ff==-1)return;
    nn=Memo1->Text.Length();
    FileWrite(ff,Memo1->Text.c_str(),nn);
    FileClose(ff);
  }
}
//---------------------------------------------------------------------------