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unit PropertyOnOneLine;
{ AFS 8 March 2003
put a property all on one line
}
{(*}
(*------------------------------------------------------------------------------
Delphi Code formatter source code
The Original Code is PropertyOnOneLine, 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 SourceToken, SwitchableVisitor;
type
TPropertyOnOneLine = class(TSwitchableVisitor)
protected
function EnabledVisitSourceToken(const pcNode: TObject): Boolean; override;
public
constructor Create; override;
function IsIncludedInSettings: boolean; override;
end;
implementation
uses JcfSettings, FormatFlags, Tokens, ParseTreeNodeType;
constructor TPropertyOnOneLine.Create;
begin
inherited;
FormatFlags := FormatFlags + [eRemoveReturn, eRemoveSpace];
end;
function TPropertyOnOneLine.EnabledVisitSourceToken(const pcNode: TObject): Boolean;
var
lcSourceToken: TSourceToken;
lcNext, lcNext2, lcNextSolid: TSourceToken;
begin
Result := False;
lcSourceToken := TSourceToken(pcNode);
// never remove a return at the end of a comment like this one! ->
if (lcSourceToken.TokenType = ttComment) and
(lcSourceToken.CommentStyle = eDoubleSlash) then
exit;
lcNext := lcSourceToken.NextToken;
if lcNext = nil then
exit;
{ inpsect returns in property defs }
if not (lcNext.TokenType = ttReturn) then
exit;
if not lcNext.HasParentNode(nProperty) then
exit;
{ allow a return before the property starts :) }
lcNextSolid := lcNext.NextSolidToken;
if lcNextSolid = nil then
exit;
if lcNextSolid.TokenType = ttProperty then
exit;
while (lcNext <> nil) and (lcNext.TokenType in [ttReturn, ttWhiteSpace]) and
lcNext.HasParentNode(nProperty) do
begin
// don't kill returns before a comment
lcNext2 := lcNext.NextTokenWithExclusions([ttWhiteSpace]);
if (lcNext2 = nil) or (lcNext2.TokenType = ttComment) then
break;
if (lcNext.TokenType = ttReturn) then
begin
lcNext.TokenType := ttWhiteSpace;
lcNext.SourceCode := ' ';
end
else if lcNext.TokenType = ttWhiteSpace then
begin
lcNext.SourceCode := ' '; //reduce to a single space
end;
lcNext := lcNext.NextToken;
end;
end;
function TPropertyOnOneLine.IsIncludedInSettings: boolean;
begin
Result := FormattingSettings.Returns.RemovePropertyReturns;
end;
end.
|
