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{
This file is part of the Free Pascal run time library.
Copyright (c) 2008 by Giulio Bernardi
Internal class to support merging of resources
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.
**********************************************************************}
unit resmerger;
{$MODE OBJFPC}{$H+}
interface
uses
Classes, SysUtils, resource,
stringtableresource,
//these two resource types know how to do it on their own... add them so that
//they got registered
groupiconresource, groupcursorresource;
type
{ TResourceMerger }
TResourceMerger = class
private
protected
public
class function Merge(aRes1, aRes2 : TAbstractResource) : boolean;
end;
implementation
{ TResourceMerger }
class function TResourceMerger.Merge(aRes1, aRes2: TAbstractResource): boolean;
var i : integer;
sRes1, sRes2 : TStringTableResource;
begin
Result:=false;
if not (aRes1 is TStringTableResource) then exit;
sRes1:=TStringTableResource(aRes1);
sRes2:=TStringTableResource(aRes2);
//check if merging is possible...
for i:=sRes1.FirstID to sRes1.LastID do
if (sRes1[i]<>'') and (sRes2[i]<>'') then exit; //if both are used, no merging is possible
//ok, merge
for i:=sRes1.FirstID to sRes1.LastID do
if sRes2[i]<>'' then sRes1[i]:=sRes2[i];
Result:=true;
end;
end.
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