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{Contains class Render for build HTML file using variables}
unit RenderHtml;
{$mode ObjFPC}{$H+}
interface
uses
Classes, SysUtils, replacers, fgl, types_for_app;
type
{ Render }
{ @abstract(Template engine)
Class for rendeing template to html using variables }
Render = class
{ Hashmap for variables and their values }
vars : sdict;
{ String contained HTML template }
template : String;
{ Result of building template }
html : String;
{ Constructor }
constructor Create;
{ Destructor }
destructor Free;
{ Setter for member template }
procedure setTemplate(aTemplate : String);
{ Setter for member vars }
procedure setVar(varname, varvalue : String);
{ Builds member html }
procedure buildHtml();
{ Getter of member html}
function getHtml() : String;
end;
implementation
{ Render }
constructor Render.Create;
begin
vars:=sdict.Create;
end;
destructor Render.Free;
begin
vars.Free;
end;
procedure Render.setTemplate(aTemplate: String);
begin
template:=aTemplate;
end;
procedure Render.setVar(varname, varvalue: String);
begin
vars.Add(varname, varvalue);
end;
procedure Render.buildHtml;
var R : String; i : Integer;
begin
R:=template;
for i:=0 to vars.count-1 do
begin
R:=applyVar(R, vars.Keys[i], vars.Data[i]);
end;
html:=R;
end;
function Render.getHtml: String;
begin
buildHtml();
result:=html;
end;
end.
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