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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 StructuredDocument.Variable;
interface
uses
StructuredDocument.Node,
Text;
type
TDocumentVariable = class(TObject)
protected
FValue: TDocumentNode;
procedure SetValue(Value: TDocumentNode);
public
Identifier: TText;
destructor Destroy(); override;
property Value: TDocumentNode read FValue write SetValue; // TODO: This should be a TDocumentNodeList instead
public
class function New(const Identifier: TText; Value: TDocumentNode): TDocumentVariable;
end;
TDocumentDeclareVariable = class(TDocumentNode)
public
Variable: TDocumentVariable;
destructor Destroy(); override;
function GetLevels(): TDocumentNodeLevels; override;
end;
TDocumentGetVariable = class(TDocumentNode)
public
Identifier: TText;
function GetLevels(): TDocumentNodeLevels; override;
end;
implementation
{ TDocumentVariable }
destructor TDocumentVariable.Destroy();
begin
Value.ReleaseReference();
inherited Destroy();
end;
class function TDocumentVariable.New(const Identifier: TText; Value: TDocumentNode): TDocumentVariable;
begin
Result := TDocumentVariable.Create();
Result.Identifier := Identifier;
Result.Value := Value;
end;
procedure TDocumentVariable.SetValue(Value: TDocumentNode);
begin
if Value <> Self.Value then
begin
Value.AddReference();
Self.Value.ReleaseReference();
FValue := Value;
end;
end;
{ TDocumentDeclareVariable }
destructor TDocumentDeclareVariable.Destroy();
begin
Variable.Free();
inherited Destroy();
end;
function TDocumentDeclareVariable.GetLevels(): TDocumentNodeLevels;
begin
Result := [TDocumentNodeLevel.Inline_, TDocumentNodeLevel.Block]; // TODO: We probably have to better determine the levels here
end;
{ TDocumentGetVariable }
function TDocumentGetVariable.GetLevels(): TDocumentNodeLevels;
begin
Result := [TDocumentNodeLevel.Inline_, TDocumentNodeLevel.Block]; // TODO: We probably have to better determine the levels here
end;
end.
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