lazarus/components/jcf2/Process/Spacing/RemoveSpaceAtLineEnd.pas

88 lines
2.3 KiB
ObjectPascal

unit RemoveSpaceAtLineEnd;
{ AFS 10 May 2003
remove trainling spaces on lines
makes test fail, false delta }
{(*}
(*------------------------------------------------------------------------------
Delphi Code formatter source code
The Original Code is RemoveSpaceAtLineEnd, released May 2003.
The Initial Developer of the Original Code is Anthony Steele.
Portions created by Anthony Steele are Copyright (C) 1999-2008 Anthony Steele.
All Rights Reserved.
Contributor(s): Anthony Steele.
The contents of this file are subject to the Mozilla Public License Version 1.1
(the "License"). you may not use this file except in compliance with the License.
You may obtain a copy of the License at http://www.mozilla.org/NPL/
Software distributed under the License is distributed on an "AS IS" basis,
WITHOUT WARRANTY OF ANY KIND, either express or implied.
See the License for the specific language governing rights and limitations
under the License.
Alternatively, the contents of this file may be used under the terms of
the GNU General Public License Version 2 or later (the "GPL")
See http://www.gnu.org/licenses/gpl.html
------------------------------------------------------------------------------*)
{*)}
{$I JcfGlobal.inc}
interface
uses SwitchableVisitor;
type
TRemoveSpaceAtLineEnd = class(TSwitchableVisitor)
private
protected
function EnabledVisitSourceToken(const pcNode: TObject): Boolean; override;
public
constructor Create; override;
function IsIncludedInSettings: boolean; override;
end;
implementation
uses JcfSettings, FormatFlags, SourceToken, Tokens, TokenUtils;
constructor TRemoveSpaceAtLineEnd.Create;
begin
inherited;
FormatFlags := FormatFlags + [eRemoveSpace];
end;
function TRemoveSpaceAtLineEnd.EnabledVisitSourceToken(const pcNode: TObject): Boolean;
var
lcSourceToken, lcNext: TSourceToken;
begin
Result := False;
lcSourceToken := TSourceToken(pcNode);
{ is this white space? }
if lcSourceToken.TokenType = ttWhiteSpace then
begin
{ is a return next ? }
lcNext := lcSourceToken.NextTokenWithExclusions([ttWhiteSpace]);
if (lcNext <> nil) and (lcNext.TokenType = ttReturn) then
begin
BlankToken(lcSourceToken);
end;
end;
end;
function TRemoveSpaceAtLineEnd.IsIncludedInSettings: boolean;
begin
Result := FormattingSettings.Spaces.FixSpacing;
end;
end.