restemplate/indy/Protocols/IdText.pas

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{
$Project$
$Workfile$
$Revision$
$DateUTC$
$Id$
This file is part of the Indy (Internet Direct) project, and is offered
under the dual-licensing agreement described on the Indy website.
(http://www.indyproject.org/)
Copyright:
(c) 1993-2005, Chad Z. Hower and the Indy Pit Crew. All rights reserved.
}
{
$Log$
}
{
Rev 1.5 10/26/2004 10:49:20 PM JPMugaas
Updated ref.
Rev 1.4 16/05/2004 18:56:16 CCostelloe
New TIdText/TIdAttachment processing
Rev 1.3 2004.02.03 5:44:34 PM czhower
Name changes
Rev 1.2 10/17/03 12:06:50 PM RLebeau
Updated Assign() to copy all available header values rather than select ones.
Rev 1.1 10/17/2003 1:11:14 AM DSiders
Added localization comments.
Rev 1.0 11/13/2002 08:03:00 AM JPMugaas
2002-08-30 Andrew P.Rubin
- extract charset & IsBodyEncodingRequired (true = 8 bit)
}
unit IdText;
interface
{$i IdCompilerDefines.inc}
uses
Classes,
IdMessageParts;
type
TIdText = class(TIdMessagePart)
protected
FBody: TStrings;
procedure SetBody(const AStrs : TStrings); virtual;
public
constructor Create(Collection: TIdMessageParts; ABody: TStrings = nil); reintroduce;
destructor Destroy; override;
procedure Assign(Source: TPersistent); override;
function IsBodyEncodingRequired: Boolean;
class function PartType: TIdMessagePartType; override;
//
property Body: TStrings read FBody write SetBody;
end;
implementation
uses
IdGlobal, IdGlobalProtocols,
SysUtils;
{ TIdText }
procedure TIdText.Assign(Source: TPersistent);
begin
if Source is TIdText then begin
Body.Assign(TIdText(Source).Body);
end;
// allow TIdMessagePart to copy the headers
inherited Assign(Source);
end;
constructor TIdText.Create(Collection: TIdMessageParts; ABody: TStrings = nil);
begin
inherited Create(Collection);
FBody := TStringList.Create;
TStringList(FBody).Duplicates := dupAccept;
if ABody <> nil then begin
FBody.Assign(ABody);
end;
end;
destructor TIdText.Destroy;
begin
FreeAndNil(FBody);
inherited Destroy;
end;
function TIdText.IsBodyEncodingRequired: Boolean;
var
i, j: Integer;
S: String;
begin
Result := False;//7bit
for i := 0 to FBody.Count-1 do begin
S := FBody[i];
for j := 1 to Length(S) do begin
if S[j] > #127 then begin
Result := True;
Exit;
end;
end;
end;
end;
class function TIdText.PartType: TIdMessagePartType;
begin
Result := mptText;
end;
procedure TIdText.SetBody(const AStrs: TStrings);
begin
FBody.Assign(AStrs);
end;
initialization
// RegisterClasses([TIdText]);
end.