lazarus/components/lazutils/lazpasreadutil.pas
mattias fac364fd3b lazutils: added unit lazpasreadutil
git-svn-id: trunk@56209 -
2017-10-26 14:58:46 +00:00

72 lines
1.5 KiB
ObjectPascal

{
*****************************************************************************
This file is part of the Lazarus Component Library (LCL)
See the file COPYING.modifiedLGPL.txt, included in this distribution,
for details about the license.
*****************************************************************************
Helper functions for component serialized Pascal.
Author: Mattias Gaertner
}
unit LazPasReadUtil;
{$mode objfpc}{$H+}
interface
uses
Classes;
{ ExecCustomCSP: Call Instance.DefineProperties with a list of properties in
TBinaryObjectWriter format. This function is used by the auto generated
Pascal of TCompWriterPas for custom DefineProperties. }
procedure ExecCustomCSP(Instance: TPersistent; const Data: array of string);
implementation
type
{ TCSPReader }
TCSPReader = class(TReader)
public
procedure ReadProperties(Instance: TPersistent);
end;
{ TCSPReader }
procedure TCSPReader.ReadProperties(Instance: TPersistent);
begin
while not EndOfList do
ReadProperty(Instance);
end;
procedure ExecCustomCSP(Instance: TPersistent; const Data: array of string);
var
MemStream: TMemoryStream;
i: Integer;
s: String;
Reader: TCSPReader;
begin
MemStream:=TMemoryStream.Create;
Reader:=nil;
try
for i:=low(Data) to High(Data) do
begin
s:=Data[i];
MemStream.Write(s[1],length(s));
end;
MemStream.Position:=0;
Reader:=TCSPReader.Create(MemStream,1024);
Reader.ReadProperties(Instance);
finally
Reader.Free;
MemStream.Free;
end;
end;
end.