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https://gitlab.com/freepascal.org/lazarus/lazarus.git
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380 lines
12 KiB
ObjectPascal
380 lines
12 KiB
ObjectPascal
{
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***************************************************************************
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* *
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* This source is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This code is distributed in the hope that it will be useful, but *
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* WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
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* General Public License for more details. *
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* *
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* A copy of the GNU General Public License is available on the World *
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* Wide Web at <http://www.gnu.org/copyleft/gpl.html>. You can also *
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* obtain it by writing to the Free Software Foundation, *
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* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
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* *
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***************************************************************************
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Author: Mattias Gaertner
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Abstract:
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Dialog and functions to change encodings (e.g. UTF-8) of projects and
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packages.
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}
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unit ChgEncodingDlg;
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{$mode objfpc}{$H+}
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interface
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uses
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Classes, SysUtils, LCLProc, FileProcs, Forms, Controls, Graphics,
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Dialogs, LConvEncoding, ExtCtrls, StdCtrls, ComCtrls, Buttons,
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IDEWindowIntf, SynRegExpr, SrcEditorIntf, IDEHelpIntf,
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CodeCache, CodeToolsStructs, CodeToolManager, AVL_Tree,
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// IDE
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IDEProcs, CodeBrowser, PackageDefs, PackageSystem, Project,
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LazarusIDEStrConsts;
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type
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{ TChgEncodingDialog }
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TChgEncodingDialog = class(TForm)
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ApplyButton: TBitBtn;
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HelpButton: TBitBtn;
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BtnPanel: TPanel;
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CloseButton: TBitBtn;
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NewEncodingComboBox: TComboBox;
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FileFilterCombobox: TComboBox;
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NewEncodingLabel: TLabel;
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PreviewListView: TListView;
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PreviewGroupBox: TGroupBox;
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OwnerComboBox: TComboBox;
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ScopeGroupBox: TGroupBox;
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RegExprCheckBox: TCheckBox;
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FileFilterLabel: TLabel;
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NonUTF8FilesCheckBox: TCheckBox;
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UTF8FilesCheckBox: TCheckBox;
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FilesGroupBox: TGroupBox;
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procedure ApplyButtonClick(Sender: TObject);
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procedure FormCreate(Sender: TObject);
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procedure FormDestroy(Sender: TObject);
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procedure HelpButtonClick(Sender: TObject);
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procedure PreviewClick(Sender: TObject);
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private
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FFiles: TFilenameToStringTree;
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function GetFiles: Boolean;
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procedure UpdatePreview;
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public
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end;
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function ShowConvertEncodingDlg: TModalResult;
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implementation
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{$R *.lfm}
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function ShowConvertEncodingDlg: TModalResult;
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var
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ChgEncodingDialog: TChgEncodingDialog;
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begin
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ChgEncodingDialog:=TChgEncodingDialog.Create(nil);
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Result:=ChgEncodingDialog.ShowModal;
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ChgEncodingDialog.Free;
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end;
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{ TChgEncodingDialog }
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procedure TChgEncodingDialog.FormCreate(Sender: TObject);
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var
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List: TStringList;
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Encoding: string;
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i: Integer;
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begin
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IDEDialogLayoutList.ApplyLayout(Self);
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Caption:=lisConvertEncoding;
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ScopeGroupBox.Caption:=lisConvertProjectOrPackage;
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NewEncodingLabel.Caption:=lisNewEncoding;
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FilesGroupBox.Caption:=lisFileFilter;
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UTF8FilesCheckBox.Caption:=lisFilesInASCIIOrUTF8Encoding;
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NonUTF8FilesCheckBox.Caption:=lisFilesNotInASCIINorUTF8Encoding;
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FileFilterLabel.Caption:=lisFilter;
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RegExprCheckBox.Caption:=lisRegularExpression;
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CloseButton.Caption:=lisClose;
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ApplyButton.Caption:=lisConvert;
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HelpButton.Caption:=lisHelp;
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CloseButton.LoadGlyphFromLazarusResource('btn_close');
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ApplyButton.LoadGlyphFromLazarusResource('btn_ok');
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HelpButton.LoadGlyphFromLazarusResource('btn_help');
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PreviewGroupBox.Caption:=dlgWRDPreview;
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PreviewListView.Column[0].Caption:=dlgEnvFiles;
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PreviewListView.Column[0].Width:=350;
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PreviewListView.Column[1].Caption:=uemEncoding;
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// get possible encodings
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List:=TStringList.Create;
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GetSupportedEncodings(List);
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for i:=List.Count-1 downto 0 do begin
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Encoding:=List[i];
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if (Encoding='') or (SysUtils.CompareText(Encoding,EncodingAnsi)=0) then
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List.Delete(i);
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end;
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List.Sort;
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NewEncodingComboBox.Items.Assign(List);
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List.Free;
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NewEncodingComboBox.Text:='UTF-8';
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// get possible filters
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List:=TStringList.Create;
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List.Add('*.pas;*.pp;*.p;*.inc;*.lpr;*.lfm;*.lrs;*.txt');
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List.Sort;
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FileFilterCombobox.Items.Assign(List);
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List.Free;
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FileFilterCombobox.Text:=FileFilterCombobox.Items[0];
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// get possible projects and packages
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List:=TStringList.Create;
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for i:=0 to PackageGraph.Count-1 do
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if (List.IndexOf(PackageGraph[i].Name)<0)
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and (not PackageGraph[i].ReadOnly)
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and (not PackageGraph[i].IsVirtual)
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then
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List.Add(PackageGraph[i].Name);
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List.Sort;
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if not Project1.IsVirtual then
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List.Insert(0,lisEdtDefCurrentProject);
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OwnerComboBox.Items.Assign(List);
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List.Free;
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if OwnerComboBox.Items.Count>0 then
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OwnerComboBox.Text:=OwnerComboBox.Items[0]
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else
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OwnerComboBox.Text:='';
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FFiles:=TFilenameToStringTree.Create(FilenamesCaseSensitive);
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UpdatePreview;
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end;
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procedure TChgEncodingDialog.FormDestroy(Sender: TObject);
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begin
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IDEDialogLayoutList.SaveLayout(Self);
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FFiles.Free;
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end;
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procedure TChgEncodingDialog.ApplyButtonClick(Sender: TObject);
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var
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Buf: TCodeBuffer;
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SrcEdit: TSourceEditorInterface;
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Encoding, OldEncoding, NewEncoding: String;
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Node: TAVLTreeNode;
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Item: PStringToStringTreeItem;
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Filename: String;
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HasChanged: boolean;
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li: TListItem;
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begin
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NewEncoding:=NormalizeEncoding(NewEncodingComboBox.Text);
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PreviewListView.BeginUpdate;
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PreviewListView.Items.Clear;
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Node:=FFiles.Tree.FindLowest;
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while Node<>nil do begin
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Item:=PStringToStringTreeItem(Node.Data);
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Filename:=Item^.Name;
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Encoding:=Item^.Value;
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DebugLn(['TChgEncodingDialog.ApplyButtonClick Filename=',Filename,' Encoding=',Encoding]);
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Buf:=CodeToolBoss.LoadFile(Filename,true,false);
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if (Buf<>nil) and (not Buf.ReadOnly) then begin
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OldEncoding:=Buf.DiskEncoding;
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SrcEdit:=SourceEditorManagerIntf.SourceEditorIntfWithFilename(Filename);
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HasChanged:=true;
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if SrcEdit<>nil then begin
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DebugLn(['TChgEncodingDialog.ApplyButtonClick changing in source editor: ',Filename]);
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Buf.DiskEncoding:=NewEncoding;
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SrcEdit.Modified:=true;
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end else begin
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DebugLn(['TChgEncodingDialog.ApplyButtonClick changing on disk: ',Filename]);
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// Buf:=CodeToolBoss.LoadFile(Filename,true,false);
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Buf.DiskEncoding:=NewEncoding;
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HasChanged:=Buf.Save;
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if not HasChanged then
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Buf.DiskEncoding:=OldEncoding;
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end;
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end;
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if not HasChanged then begin
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li:=PreviewListView.Items.Add;
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li.Caption:=Filename;
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li.SubItems.Add(Encoding);
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end;
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Node:=FFiles.Tree.FindSuccessor(Node);
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end;
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PreviewListView.EndUpdate;
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PreviewGroupBox.Caption:='Number of files failed to convert: '+IntToStr(PreviewListView.Items.Count);
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end;
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procedure TChgEncodingDialog.HelpButtonClick(Sender: TObject);
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begin
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LazarusHelp.ShowHelpForIDEControl(Self);
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end;
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procedure TChgEncodingDialog.PreviewClick(Sender: TObject);
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begin
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UpdatePreview;
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end;
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function TChgEncodingDialog.GetFiles: Boolean;
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// Returns true if some files were found, even if they were not added to list.
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var
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AProject: TProject;
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SearchPath: String;
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APackage: TLazPackage;
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Dir: String;
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FileInfo: TSearchRec;
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CurFilename: String;
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Buf: TCodeBuffer;
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CurEncoding, NewEncoding: String;
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IncludeFilterRegExpr: TRegExpr;
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CurOwner: TObject;
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Expr: String;
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ok: Boolean;
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p: Integer;
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begin
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FFiles.Clear;
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Result:=False;
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// check owner
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if OwnerComboBox.Text=lisEdtDefCurrentProject then
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CurOwner:=Project1
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else
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CurOwner:=PackageGraph.FindPackageWithName(OwnerComboBox.Text,nil);
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if CurOwner=nil then begin
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DebugLn(['TChgEncodingDialog.UpdatePreview package not found: ',OwnerComboBox.Text]);
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exit;
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end;
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// find search paths
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if CurOwner is TProject then begin
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AProject:=TProject(CurOwner);
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SearchPath:=AProject.SourceDirectories.CreateSearchPathFromAllFiles;
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SearchPath:=MergeSearchPaths(SearchPath,AProject.CompilerOptions.GetIncludePath(false));
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end else begin
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APackage:=TLazPackage(CurOwner);
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SearchPath:=APackage.SourceDirectories.CreateSearchPathFromAllFiles;
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SearchPath:=MergeSearchPaths(SearchPath,APackage.CompilerOptions.GetIncludePath(false));
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end;
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// find files
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IncludeFilterRegExpr:=TRegExpr.Create;
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try
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Expr:=FileFilterCombobox.Text;
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if not RegExprCheckBox.Checked then
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Expr:=SimpleSyntaxToRegExpr(Expr);
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ok:=false;
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try
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IncludeFilterRegExpr.Expression:=Expr;
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ok:=true;
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except
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on E: Exception do begin
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DebugLn('Invalid Include File Expression ',Expr,' ',E.Message);
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MessageDlg('Error in regular expression',
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E.Message,mtError,[mbCancel],0);
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end;
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end;
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if not ok then exit;
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NewEncoding:=NormalizeEncoding(NewEncodingComboBox.Text);
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p:=1;
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while (p<=length(SearchPath)) do begin
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Dir:=GetNextDirectoryInSearchPath(SearchPath,p);
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if Dir='' then continue;
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Dir:=AppendPathDelim(Dir);
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DebugLn(['TChgEncodingDialog.GetFiles Dir=',Dir]);
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if FindFirstUTF8(Dir+FileMask,faAnyFile,FileInfo)=0 then
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try
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repeat
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// check if special file
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if (FileInfo.Name='.') or (FileInfo.Name='..') or (FileInfo.Name='') then
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continue;
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CurFilename:=Dir+FileInfo.Name;
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if FFiles.Contains(CurFilename) then
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continue;
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if not IncludeFilterRegExpr.Exec(CurFilename) then
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continue;
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if not FileIsTextCached(CurFilename) then
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continue;
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if (FileInfo.Attr and faDirectory)>0 then begin
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// skip directory
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end else begin
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Buf:=CodeToolBoss.LoadFile(CurFilename,true,false);
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if Buf<>nil then begin
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DebugLn(['TChgEncodingDialog.GetFiles Filename=',CurFilename,' Encoding=',NormalizeEncoding(Buf.DiskEncoding)]);
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CurEncoding:=NormalizeEncoding(Buf.DiskEncoding);
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Result:=True;
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if CurEncoding=NewEncoding then
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continue;
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if (CurEncoding=EncodingUTF8) and (not UTF8FilesCheckBox.Checked) then
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continue;
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if (CurEncoding<>EncodingUTF8) and (not NonUTF8FilesCheckBox.Checked) then
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continue;
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FFiles[CurFilename]:=Buf.DiskEncoding;
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end else begin
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DebugLn(['TChgEncodingDialog.UpdatePreview read error: ',CurFilename]);
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end;
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end;
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until FindNextUTF8(FileInfo)<>0;
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finally
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FindCloseUTF8(FileInfo);
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end;
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end;
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finally
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IncludeFilterRegExpr.Free;
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end;
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end;
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procedure TChgEncodingDialog.UpdatePreview;
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var
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Node: TAVLTreeNode;
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Item: PStringToStringTreeItem;
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Filename: String;
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Encoding: String;
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li: TListItem;
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HasFiles: Boolean;
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begin
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Screen.Cursor:=crHourGlass;
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try
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HasFiles:=GetFiles;
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PreviewListView.Items.Clear;
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if HasFiles and (FFiles.Tree.Count=0) then begin
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li:=PreviewListView.Items.Add;
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li.Caption:=lisFilesHaveRightEncoding;
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ApplyButton.Enabled:=False;
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exit;
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end;
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PreviewListView.BeginUpdate;
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Node:=FFiles.Tree.FindLowest;
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while Node<>nil do begin
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Item:=PStringToStringTreeItem(Node.Data);
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Filename:=Item^.Name;
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Encoding:=Item^.Value;
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DebugLn(['TChgEncodingDialog.UpdatePreview Filename=',Filename,' Encoding=',Encoding]);
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li:=PreviewListView.Items.Add;
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li.Caption:=Filename;
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li.SubItems.Add(Encoding);
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Node:=FFiles.Tree.FindSuccessor(Node);
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end;
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PreviewListView.EndUpdate;
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PreviewGroupBox.Caption:=
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Format(lisNumberOfFilesToConvert, [IntToStr(PreviewListView.Items.Count)]);
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ApplyButton.Enabled:=True;
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finally
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Screen.Cursor:=crDefault;
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end;
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end;
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end.
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