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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 Html.Attribute;
interface
uses
Boolean,
Collection.List,
Integer._32,
Internet.MediaType,
Text,
Uri;
type
THtmlAttribute = class(TObject)
public
Name: TText;
Value: TText;
constructor Create(const Name: TText; const Value: TText); virtual;
end;
THtmlAttributes = class(TObject)
private
FAttributes: TList<THtmlAttribute>;
function GetCount(): TInteger32;
function GetAttributes(Index: TInteger32): THtmlAttribute;
function BooleanToText(Value: TBoolean): TText;
public
constructor Create(); virtual;
destructor Destroy(); override;
procedure Add(Attribute: THtmlAttribute);
procedure AddOptional(const Name: TText; const Value: TText); overload;
procedure AddRequired(const Name: TText; const Value: TText); overload;
procedure AddOptional(const Name: TText; Value: TInteger32; DefaultValue: TInteger32 = 0); overload;
procedure AddRequired(const Name: TText; Value: TInteger32); overload;
procedure AddOptional(const Name: TText; Value: TBoolean; DefaultValue: TBoolean = False); overload;
procedure AddRequired(const Name: TText; Value: TBoolean); overload;
procedure AddOptional(const Name: TText; ContentType: TMediaType); overload;
procedure AddRequired(const Name: TText; ContentType: TMediaType); overload;
procedure AddRequired(const Name: TText; const Uri: TUri); overload;
property Count: TInteger32 read GetCount;
property Attributes[Index: TInteger32]: THtmlAttribute read GetAttributes; default;
end;
implementation
uses
Integer._32.TextFormat,
Object_.List;
{ THtmlAttribute }
constructor THtmlAttribute.Create(const Name: TText; const Value: TText);
begin
inherited Create();
Self.Name := Name;
Self.Value := Value;
end;
{ THtmlAttributes }
procedure THtmlAttributes.Add(Attribute: THtmlAttribute);
begin
FAttributes.Add(Attribute);
end;
procedure THtmlAttributes.AddOptional(const Name: TText; const Value: TText);
begin
if Value <> '' then
Add(THtmlAttribute.Create(Name, Value));
end;
procedure THtmlAttributes.AddOptional(const Name: TText; ContentType: TMediaType);
begin
if ContentType <> nil then
Add(THtmlAttribute.Create(Name, ContentType.ToText()));
end;
procedure THtmlAttributes.AddOptional(const Name: TText; Value: TInteger32; DefaultValue: TInteger32 = 0);
begin
if Value <> DefaultValue then
Add(THtmlAttribute.Create(Name, Integer32ToText(Value)));
end;
procedure THtmlAttributes.AddRequired(const Name: TText; Value: TInteger32);
begin
Add(THtmlAttribute.Create(Name, Integer32ToText(Value)));
end;
procedure THtmlAttributes.AddRequired(const Name: TText; const Uri: TUri);
begin
Add(THtmlAttribute.Create(Name, Uri.ToText()));
end;
procedure THtmlAttributes.AddOptional(const Name: TText; Value: TBoolean; DefaultValue: TBoolean = False);
begin
if Value <> DefaultValue then
Add(THtmlAttribute.Create(Name, BooleanToText(Value)));
end;
procedure THtmlAttributes.AddRequired(const Name: TText; const Value: TText);
begin
Add(THtmlAttribute.Create(Name, Value));
end;
procedure THtmlAttributes.AddRequired(const Name: TText; ContentType: TMediaType);
begin
Add(THtmlAttribute.Create(Name, ContentType.ToText()));
end;
function THtmlAttributes.BooleanToText(Value: TBoolean): TText;
begin
if Value then
Result := 'on'
else
Result := '';
end;
constructor THtmlAttributes.Create();
begin
inherited Create();
FAttributes := TObjectList<THtmlAttribute>.Create();
end;
destructor THtmlAttributes.Destroy();
begin
FAttributes.Free();
inherited Destroy();
end;
procedure THtmlAttributes.AddRequired(const Name: TText; Value: TBoolean);
begin
Add(THtmlAttribute.Create(Name, BooleanToText(Value)));
end;
function THtmlAttributes.GetAttributes(Index: TInteger32): THtmlAttribute;
begin
Result := FAttributes[Index];
end;
function THtmlAttributes.GetCount(): TInteger32;
begin
Result := FAttributes.Count;
end;
end.
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