unit Reg;
{$R-,T-,H+,X+}
interface
uses Registry, Classes, Windows, Consts, SysUtils;
type
TReg = class(TRegistry)
public
procedure ReadStringList(const name: string; list: TStringList);
procedure WriteStringList(const name: string; list: TStringList);
end;
implementation
//*** TReg *********************************************************************
//------------------------------------------------------------------------------
// Запись TStringList ввиде значения типа REG_MULTI_SZ в реестр
//------------------------------------------------------------------------------
procedure TReg.WriteStringList(const name: string; list: TStringList);
var
Buffer: Pointer;
BufSize: DWORD;
i, j, k: Integer;
s: string;
p: PChar;
begin
{подготовим буфер к записи}
BufSize := 0;
for i := 0 to list.Count - 1 do
inc(BufSize, Length(list[i]) + 1);
inc(BufSize);
GetMem(Buffer, BufSize);
k := 0;
p := Buffer;
for i := 0 to list.Count - 1 do
begin
s := list[i];
for j := 0 to Length(s) - 1 do
begin
p[k] := s[j + 1];
inc(k);
end;
p[k] := chr(0);
inc(k);
end;
p[k] := chr(0);
{запись в реестр}
if RegSetValueEx(CurrentKey, PChar(name), 0, REG_MULTI_SZ, Buffer,
BufSize) <> ERROR_SUCCESS then
raise ERegistryException.CreateResFmt(@SRegSetDataFailed, [name]);
end;
//------------------------------------------------------------------------------
// Чтение TStringList ввиде значения типа REG_MULTI_SZ из реестра
//------------------------------------------------------------------------------
procedure TReg.ReadStringList(const name: string; list: TStringList);
var
BufSize,
DataType: DWORD;
Len, i: Integer;
Buffer: PChar;
s: string;
begin
if list = nil then
Exit;
{чтение из реестра}
Len := GetDataSize(Name);
if Len < 1 then
Exit;
Buffer := AllocMem(Len);
if Buffer = nil then
Exit;
try
DataType := REG_NONE;
BufSize := Len;
if RegQueryValueEx(CurrentKey, PChar(name), nil, @DataType, PByte(Buffer),
@BufSize) <> ERROR_SUCCESS then
raise ERegistryException.CreateResFmt(@SRegGetDataFailed, [name]);
if DataType <> REG_MULTI_SZ then
raise ERegistryException.CreateResFmt(@SInvalidRegType, [name]);
{запись в TStringList}
list.Clear;
s := '';
for i := 0 to BufSize - 2 do
begin // BufSize-2 т.к. последние два нулевых символа
if Buffer[i] = chr(0) then
begin
list.Add(s);
s := '';
end
else
s := s + Buffer[i];
end;
finally
FreeMem(Buffer);
end;
end;
end.
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