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101 lines
2.7 KiB
ObjectPascal
101 lines
2.7 KiB
ObjectPascal
unit SpaceToTab;
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{(*}
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(*------------------------------------------------------------------------------
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Delphi Code formatter source code
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The Original Code is SpaceToTab, released May 2003.
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The Initial Developer of the Original Code is Anthony Steele.
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Portions created by Anthony Steele are Copyright (C) 1999-2008 Anthony Steele.
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All Rights Reserved.
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Contributor(s): Anthony Steele.
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The contents of this file are subject to the Mozilla Public License Version 1.1
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(the "License"). you may not use this file except in compliance with the License.
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You may obtain a copy of the License at http://www.mozilla.org/NPL/
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Software distributed under the License is distributed on an "AS IS" basis,
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WITHOUT WARRANTY OF ANY KIND, either express or implied.
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See the License for the specific language governing rights and limitations
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under the License.
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Alternatively, the contents of this file may be used under the terms of
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the GNU General Public License Version 2 or later (the "GPL")
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See http://www.gnu.org/licenses/gpl.html
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------------------------------------------------------------------------------*)
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{*)}
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{$I JcfGlobal.inc}
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interface
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{ AFS 4 Jan 2002
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convert spaces tabs }
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uses SwitchableVisitor;
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type
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TSpaceToTab = class(TSwitchableVisitor)
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private
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fsSpaces: string;
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protected
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function EnabledVisitSourceToken(const pcNode: TObject): boolean; override;
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public
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constructor Create; override;
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function IsIncludedInSettings: boolean; override;
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end;
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implementation
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uses
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SysUtils,
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{ local }
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JcfStringUtils,
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JcfSettings, SourceToken, Tokens, FormatFlags;
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constructor TSpaceToTab.Create;
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begin
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inherited;
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fsSpaces := string(StrRepeat(NativeSpace, FormattingSettings.Spaces.SpacesForTab));
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FormatFlags := FormatFlags + [eAddSpace, eRemoveSpace];
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end;
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function TSpaceToTab.EnabledVisitSourceToken(const pcNode: TObject): Boolean;
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var
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lcSourceToken, lcNextToken: TSourceToken;
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ls, lsTab: string;
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begin
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Result := False;
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lcSourceToken := TSourceToken(pcNode);
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{ work only on whitespace tokens.
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Indent spaces also occur in multiline comments, but leave them alone }
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if (lcSourceToken.TokenType <> ttWhiteSpace) then
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exit;
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{ Merge following space tokens
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can't pass property as var parameter so ls local var is used }
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ls := lcSourceToken.SourceCode;
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lcNextToken := lcSourceToken.NextToken;
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while (lcNextToken <> nil) and (lcNextToken.TokenType = ttWhiteSpace) do
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begin
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ls := ls + lcNextToken.SourceCode;
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lcNextToken.SourceCode := '';
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lcNextToken := lcNextToken.NextToken;
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end;
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lsTab := NativeTab;
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StrReplace(ls, fsSpaces, lsTab, [rfReplaceAll]);
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lcSourceToken.SourceCode := ls;
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end;
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function TSpaceToTab.IsIncludedInSettings: boolean;
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begin
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Result := FormattingSettings.Spaces.SpacesToTabs;
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end;
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end.
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