Indy/Lib/lspFix.dpr

{ $HDR$}
{**********************************************************************}
{ Unit archived using Team Coherence                                   }
{ Team Coherence is Copyright 2002 by Quality Software Components      }
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{}
{ $Log:  13394: lspFix.dpr 
{
{   Rev 1.0    11/13/2002 02:52:12 PM  JPMugaas
}
program lspFix;

{$APPTYPE CONSOLE}

{This program fixes some problems with linker response files
generated by DCC32 which can cause TLIB to fail}

uses
  classes,
  SysUtils,
  Windows;

const
  BackupExt = '.BAK';
  //This symbol should be removed because it's not needed and
  //and may be problematic if in a LIB file.  It's a symbol used
  //in Borland's RTL library
  ProblemSymbol = 'SysInit.obj';
  ReplaceSymbol = '-+';

{from

http://community.borland.com/article/0,1410,15910,00.html

}
procedure FileCopy( Const ASourceFilename, ATargetFilename: String );
var
  S, T: TFileStream;
begin
  S := TFileStream.Create( ASourceFilename, fmOpenRead );
  try
    T := TFileStream.Create( ATargetFilename,
                             fmOpenWrite or fmCreate );
    try
      T.CopyFrom(S, 0);
    finally
      T.Free;
    end;
  finally
    S.Free;
  end;
end;

procedure Error;
begin
  ExitCode := 1;
end;

function GetLSPFileName : String;
var
  i : Integer;
begin
  Result := '';
  for i := 1 to ParamCount do
  begin
    Result := Result + ParamStr(i) + ' ';
  end;
  Result := Trim(Result);
end;

function FileContents(AFileName : String) : String;
var
  s : TStream;
  sz : Integer;
  tmp: AnsiString;
begin
  s := TFileStream.Create(AFileName,fmOpenRead);
  try
    sz := s.Size;
    if sz > 0 then begin
      SetLength(tmp, sz);
      s.Read(tmp[1], sz);
      Result := String(tmp);
    end;
  finally
    FreeAndNil(s);
  end;
end;

function FixTLibEntry(const AOldStr : String) : String;
begin
//  Result := ExtractShortPathName(ExpandFileName(ExtractFilePath(AOldStr)));
//  Result := Result + ExtractFileName(AOldStr);
  Result := '"'+AOldStr+'"';
end;

function RepairLSPData(AOriginalData : String): String;
var
  s : TStrings;
  i : Integer;
begin
  s := TStringList.Create;
  try
    s.Text := Trim(StringReplace(AOriginalData, ReplaceSymbol, sLineBreak, [rfReplaceAll]));
    i := 0;
    while i < s.Count do
    begin
      if (Length(s[i]) = 0) or (ExtractFileName(s[i]) = ProblemSymbol) then
      begin
        s.Delete(i);
      end else begin
        s[i] := ReplaceSymbol + FixTLibEntry(s[i]);
        Inc(i);
      end;
    end;
    Result := StringReplace(s.Text, sLineBreak, ' ', [rfReplaceAll]);
  finally
    FreeAndNil(s);
  end;
end;

procedure FileCreate(AFilename, AText: String; AOverwrite : Boolean = True);
var
  s : TStream;
  tmp: AnsiString;
begin
  s := TFileStream.Create(AFileName, fmCreate);
  try
    tmp := AnsiString(AText);
    s.Write(PAnsiChar(tmp)^, Length(tmp));
  finally
    FreeAndNil(s);
  end;
end;

var
  lspName : String;
  data: String;
begin
  try
    if ParamCount = 0 then
    begin
      WriteLn('This program requires that you pass the file name for the');
      WriteLn('linker response file that needs to be fixed.  For example:');
      WriteLn('');
      WriteLn('lspFix MyLispFile.lsp');
      Exit;
    end;
    lspName := GetLSPFileName;
    if ExtractFileExt(UpperCase(lspName)) = BackupExt then
    begin
      raise Exception.Create('You can not fix a backup file.');
    end;
    FileCopy(lspName, ChangeFileExt(lspName, BackupExt));
    data := FileContents(lspName);
    data := RepairLSPData(data);
    FileCreate(lspName, data);
  except
    on E: Exception do
    begin
      WriteLn(E.Message);
    end;
  end;
end.