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unit MoveSpaceToBeforeColon;
{(*}
(*------------------------------------------------------------------------------
Delphi Code formatter MoveSpaceToBeforeColon code
The Original Code is SingleSpaceAfter, released December 2008.
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
{ AFS 14 December 2009
Process to move spaces to after colon
SF Bug request #2173842
}
uses SwitchableVisitor;
type
TMoveSpaceToBeforeColon = class(TSwitchableVisitor)
private
protected
function EnabledVisitSourceToken(const pcNode: TObject): boolean; override;
public
constructor Create; override;
function IsIncludedInSettings: boolean; override;
end;
implementation
uses
FormatFlags, SourceToken, Tokens, TokenUtils, JcfSettings;
constructor TMoveSpaceToBeforeColon.Create;
begin
inherited;
FormatFlags := FormatFlags + [eAddSpace, eRemoveSpace, eRemoveReturn];
end;
function TMoveSpaceToBeforeColon.EnabledVisitSourceToken(const pcNode: TObject): boolean;
var
lcSourceToken: TSourceToken;
lcNext: TSourceToken;
lcAfter: TSourceToken;
lcNew: TSourceToken;
begin
Result := False;
lcSourceToken := TSourceToken(pcNode);
if lcSourceToken.TokenType = ttColon then
begin
lcNext := lcSourceToken.NextToken;
if (lcNext <> nil) and (lcNext.TokenType = ttWhiteSpace) and
(Length(lcNext.SourceCode) > 0) then
begin
// put the space before
lcNew := TSourceToken.Create;
lcNew.TokenType := ttWhiteSpace;
lcNew.SourceCode := lcNext.SourceCode;
BlankToken(lcNext);
// and any following space
lcAfter := lcNext.NextToken;
while (lcAfter <> nil) and (lcAfter.TokenType = ttWhiteSpace) do
begin
lcNew.SourceCode := lcNew.SourceCode + lcAfter.SourceCode;
BlankToken(lcAfter);
lcAfter := lcAfter.NextToken;
end;
InsertTokenBefore(lcSourceToken, lcNew);
Result := True;
end;
end;
end;
function TMoveSpaceToBeforeColon.IsIncludedInSettings: boolean;
begin
Result := FormattingSettings.Spaces.MoveSpaceToBeforeColon;
end;
end.
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