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

102 lines
2.7 KiB
ObjectPascal

unit MaxSpaces;
{(*}
(*------------------------------------------------------------------------------
Delphi Code formatter source code
The Original Code is MaxSpaces, released January 2004.
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 4 Jan 2002
convert spaces tabs }
uses SwitchableVisitor;
type
TMaxSpaces = class(TSwitchableVisitor)
private
fsSpaces: string;
protected
function EnabledVisitSourceToken(const pcNode: TObject): boolean; override;
public
constructor Create; override;
function IsIncludedInSettings: boolean; override;
end;
implementation
uses
{ local }
JcfStringUtils,
JcfSettings, SourceToken, Tokens,
FormatFlags, ParseTreeNodeType;
constructor TMaxSpaces.Create;
begin
inherited;
fsSpaces := StrRepeat(NativeSpace, FormattingSettings.Spaces.MaxSpacesInCode);
FormatFlags := FormatFlags + [eRemoveSpace];
end;
function TMaxSpaces.EnabledVisitSourceToken(const pcNode: TObject): Boolean;
var
lcSourceToken, lcNext: TSourceToken;
begin
Result := False;
lcSourceToken := TSourceToken(pcNode);
{ only look at white space }
if (lcSourceToken.TokenType <> ttWhiteSpace) then
exit;
{ not in asm blocks }
if lcSourceToken.HasParentNode(nAsm) then
exit;
{ not before comments }
lcNext := lcSourceToken.NextToken;
if (lcNext <> nil) and (lcNext.TokenType = ttComment) then
exit;
{ don't truncate the indentation spaces }
if lcSourceToken.SolidTokenOnLineIndex > 0 then
begin
{ if the token is too long, truncate it }
if Length(lcSourceToken.SourceCode) > FormattingSettings.Spaces.MaxSpacesInCode then
begin
lcSourceToken.SourceCode := fsSpaces;
end;
end;
end;
function TMaxSpaces.IsIncludedInSettings: boolean;
begin
Result := FormattingSettings.Spaces.UseMaxSpacesInCode;
end;
end.