{
* This Source Code Form is subject to the terms of the Mozilla Public License,
* v. 2.0. If a copy of the MPL was not distributed with this file, You can
* obtain one at http://mozilla.org/MPL/2.0/
*
* Copyright (C) 2013, Peter Johnson (www.delphidabbler.com).
*
* $Rev$
* $Date$
*
* Singleton object that gives access to persistent configuration information.
* the user.
}
unit CS.Config;
interface
uses
USingleton,
CS.SourceCode.Hiliter.Themes,
CS.SourceCode.Languages,
UAppInfo;
type
TConfig = class(TSingleton)
strict private
var
fSourceCodeLanguages: TSourceCodeLanguages;
fHiliterThemes: TSyntaxHiliteThemes;
function GetSourceCodeLanguages: TSourceCodeLanguages;
function GetHiliterThemes: TSyntaxHiliteThemes;
strict protected
procedure Initialize; override;
procedure Finalize; override;
public
class function Instance: TConfig; inline;
property SourceCodeLanguages: TSourceCodeLanguages
read GetSourceCodeLanguages;
property HiliterThemes: TSyntaxHiliteThemes
read GetHiliterThemes;
end;
implementation
uses
Windows,
CS.SourceCode.Hiliter.Themes.Persist,
CS.SourceCode.Languages.Persist;
{ TConfig }
procedure TConfig.Finalize;
begin
if Assigned(fHiliterThemes) then
begin
TSyntaxHiliteThemesIO.SaveThemes(
fHiliterThemes, TAppInfo.HiliteThemesFileName
);
fHiliterThemes.Free;
end;
if Assigned(fSourceCodeLanguages) then
begin
TSourceCodeLanguagesIO.Save(
fSourceCodeLanguages, TAppInfo.SourceCodeLanguagesFileName
);
fSourceCodeLanguages.Free;
end;
end;
function TConfig.GetHiliterThemes: TSyntaxHiliteThemes;
begin
if not Assigned(fHiliterThemes) then
begin
fHiliterThemes := TSyntaxHiliteThemes.Create;
TSyntaxHiliteThemesIO.LoadThemesFromResources(
fHiliterThemes, 'HILITETHEMES', RT_RCDATA
);
TSyntaxHiliteThemesIO.LoadThemes(
fHiliterThemes, TAppInfo.HiliteThemesFileName
);
end;
Result := fHiliterThemes;
end;
function TConfig.GetSourceCodeLanguages: TSourceCodeLanguages;
begin
if not Assigned(fSourceCodeLanguages) then
begin
fSourceCodeLanguages := TSourceCodeLanguages.Create;
TSourceCodeLanguagesIO.LoadFromResources(
fSourceCodeLanguages, 'SOURCECODELANGUAGES', RT_RCDATA
);
TSourceCodeLanguagesIO.Load(
fSourceCodeLanguages, TAppInfo.SourceCodeLanguagesFileName
);
end;
Result := fSourceCodeLanguages;
end;
procedure TConfig.Initialize;
begin
end;
class function TConfig.Instance: TConfig;
begin
// Because this is a singleton calling Instance is the same as calling Create.
// The look-ups performed when Create is incur a small penalty each time this
// method is call, but this is probably not significant.
Result := Create;
end;
end.