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| ///////////////////////////////////////////////////////////////////////////
// //
// Copyright (c) 2015 by Charta Software B.V. //
// All rights reserved //
// //
// Version: 1.7.0.83525 //
// Web site: https://pascal.chartasoftware.com/ //
// //
// This code and information are provided "as is" without warranty of //
// any kind. Dissemination of this information or reproduction of //
// this material is strictly forbidden unless prior written permission //
// is obtained from Charta Software B.V.. //
// //
///////////////////////////////////////////////////////////////////////////
unit Http.Response.Html;
interface
{$SCOPEDENUMS ON}
uses
Boolean,
Html.Element,
Html.Element.Container,
Http.Response,
Integer._32;
type
THtmlContentStatus = (Inline_, MetaData, Final);
THttpHtmlResponse = class(THttpResponse)
private
FElement: THtmlElement;
procedure SetElement(const Value: THtmlElement);
protected
ContentGenerated: TBoolean;
public
ContentStatus: THtmlContentStatus;
constructor Create(); override;
destructor Destroy(); override;
procedure GenerateContent(); override;
function GetContentLength(): TInteger32; override;
procedure WrapElement(ContainerElement: THtmlContainerElement);
property Element: THtmlElement read FElement write SetElement;
end;
implementation
uses
Character.Encoding,
Html.Document.Writer,
Internet.MediaType.Text,
Stream.Output,
Xml.Writer;
{ THttpHtmlResponse }
constructor THttpHtmlResponse.Create();
begin
inherited Create();
Entity.ContentType := TMediaTypeTextHtml.Create(TCharacterEncoding.Utf8);
end;
destructor THttpHtmlResponse.Destroy();
begin
Element.ReleaseReference();
inherited Destroy();
end;
procedure THttpHtmlResponse.GenerateContent();
var
Writer: THtmlDocumentWriter;
Stream: TOutputStream;
begin
if not ContentGenerated then
begin
Stream := Entity.Content.CreateAppendStream();
Writer := THtmlDocumentWriter.Create(TXmlWriter.Create(Stream, TCharacterEncoding.Utf8));
Writer.WriteElement(Element);
Writer.Free();
Stream.Free();
ContentGenerated := True;
end;
end;
function THttpHtmlResponse.GetContentLength(): TInteger32;
begin
GenerateContent();
Result := inherited GetContentLength();
end;
procedure THttpHtmlResponse.SetElement(const Value: THtmlElement);
begin
if Value <> Element then
begin
Value.AddReference();
Element.ReleaseReference();
FElement := Value;
end;
end;
procedure THttpHtmlResponse.WrapElement(ContainerElement: THtmlContainerElement);
begin
ContainerElement.Contents.Add(Element);
Element := ContainerElement;
end;
end.
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