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{$mode objfpc}
{$H+}
{
$Id: fpcmkcfg.pp,v 1.3 2005/03/25 21:21:30 jonas Exp $
This file is part of Free Pascal Build tools
Copyright (c) 2005 by Michael Van Canneyt
Create a configuration file
See the file COPYING.FPC, included in this distribution,
for details about the copyright.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
**********************************************************************}
program fpcmkcfg;
uses usubst,SysUtils,Classes;
{
The fpccfg.inc file must be built from a template with the bin2obj
command. it needs options:
bin2obj -a -o fpccfg.inc -c DefaultConfig fpc.cft
where fpc.cft is the template file.
}
{$i fpccfg.inc}
Const
BuildVersion={$I %FPCVERSION%};
BuildTarget={$I %FPCTARGET%};
Resourcestring
SUsage00 = 'Usage: %s [options]';
SUsage10 = 'Where options is one or more of';
SUSage20 = ' -t filename Template file name. Default is built-in';
SUSage30 = ' -o filename Set output file. Default is standard output.';
SUsage40 = ' -d name=value define name=value pair.';
SUsage50 = ' -h show this help and exit.';
SUsage60 = ' -u name remove name from list of name/value pairs.';
SUsage70 = ' -l filename read name/value pairs from filename';
SUsage80 = ' -b show builtin template and exit.';
SUsage90 = ' -v be verbose.';
SErrUnknownOption = 'Error: Unknown option.';
SErrArgExpected = 'Error: Option "%s" requires an argument.';
SErrNoSuchFile = 'Error: File "%s" does not exist.';
SErrBackupFailed = 'Error: Backup of file "%s" to "%s" failed.';
SErrDelBackupFailed = 'Error: Delete of old backup file "%s" failed.';
SWarnIgnoringFile = 'Warning: Ignoring non-existent file: ';
SWarnIgnoringPair = 'Warning: ignoring wrong name/value pair: ';
SStats = 'Replaced %d placeholders in %d lines.';
SSubstInLine = 'Replaced %s placeholders in line %d.';
Var
Verbose : Boolean;
SkipBackup : Boolean;
List,Cfg : TStringList;
TemplateFileName,
OutputFileName : String;
procedure Init;
begin
Verbose:=False;
List:=TStringList.Create;
AddToList(List,'FPCVERSION',BuildVersion);
AddToList(List,'FPCTARGET',BuildTarget);
AddToList(List,'PWD',GetCurrentDir);
AddToList(List,'BUILDDATE',DateToStr(Date));
AddToList(List,'BUILDTIME',TimeToStr(Time));
Cfg:=TStringList.Create;
Cfg.Text:=StrPas(Addr(DefaultConfig));
end;
Procedure Done;
begin
FreeAndNil(List);
FreeAndNil(Cfg);
end;
Procedure Usage;
begin
Writeln(Format(SUsage00,[ExtractFileName(Paramstr(0))]));
Writeln(SUsage10);
Writeln(SUsage20);
Writeln(SUsage30);
Writeln(SUsage40);
Writeln(SUsage50);
Writeln(SUsage60);
Writeln(SUsage70);
Writeln(SUsage80);
Writeln(SUsage90);
Halt(1);
end;
Procedure UnknownOption(Const S : String);
begin
Writeln(SErrUnknownOption,S);
Usage;
end;
Procedure ShowBuiltIn;
Var
I : Integer;
begin
For I:=0 to Cfg.Count-1 do
Writeln(Cfg[I]);
end;
Procedure ProcessCommandline;
Var
I : Integer;
S : String;
Function GetOptArg : String;
begin
If I=ParamCount then
begin
Writeln(StdErr,Format(SErrArgExpected,[S]));
Halt(1);
end;
inc(I);
Result:=ParamStr(I);
end;
begin
I:=1;
While( I<=ParamCount) do
begin
S:=Paramstr(i);
If Length(S)<=1 then
UnknownOption(S)
else
case S[2] of
'v' : Verbose:=True;
'h' : Usage;
'b' : begin
ShowBuiltin;
halt(0);
end;
't' : TemplateFileName:=GetOptArg;
'd' : AddPair(List,GetOptArg);
'u' : AddPair(List,GetOptArg+'=');
'o' : OutputFileName:=GetoptArg;
's' : SkipBackup:=True;
else
UnknownOption(S);
end;
Inc(I);
end;
If (TemplateFileName<>'') then
begin
If Not FileExists(TemplateFileName) then
begin
Writeln(StdErr,Format(SErrNoSuchFile,[TemplateFileName]));
Halt(1);
end;
Cfg.LoadFromFile(TemplateFileName);
AddToList(List,'TEMPLATEFILE',TemplateFileName);
end
else
AddToList(List,'TEMPLATEFILE','builtin');
end;
Procedure CreateFile;
Var
Fout : Text;
S,BFN : String;
I,RCount : INteger;
begin
If (OutputFileName<>'')
and FileExists(OutputFileName)
and not SkipBackup then
begin
BFN:=ChangeFileExt(OutputFileName,'.bak');
If FileExists(BFN) and not DeleteFile(BFN) then
begin
Writeln(StdErr,Format(SErrDelBackupFailed,[BFN]));
Halt(1);
end;
If not RenameFile(OutputFileName,BFN) then
begin
Writeln(StdErr,Format(SErrBackupFailed,[OutputFileName,BFN]));
Halt(1);
end;
end;
Assign(Fout,OutputFileName);
Rewrite(FOut);
Try
RCount:=0;
For I:=0 to Cfg.Count-1 do
begin
S:=Cfg[i];
Inc(RCount,DoSubstitutions(List,S));
Writeln(FOut,S);
end;
If Verbose then
Writeln(StdErr,Format(SStats,[RCount,Cfg.Count]));
Finally
Close(Fout);
end;
end;
begin
Init;
Try
ProcessCommandLine;
CreateFile;
Finally
Done;
end;
end.
{
$Log: fpcmkcfg.pp,v $
Revision 1.3 2005/03/25 21:21:30 jonas
* fixeed uninitialised variable
- removed unused local variables
Revision 1.2 2005/02/14 17:13:10 peter
* truncate log
Revision 1.1 2005/02/05 10:25:30 peter
* move tools to compiler/utils/
Revision 1.1 2005/01/09 13:36:12 michael
+ Initial implementation of installer tools
}
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