/////////////////////////////////////////////////////////////////////////////// 
// Copyright (C) 2002-2025, Open Design Alliance (the "Alliance"). 
// All rights reserved. 
// 
// This software and its documentation and related materials are owned by 
// the Alliance. The software may only be incorporated into application 
// programs owned by members of the Alliance, subject to a signed 
// Membership Agreement and Supplemental Software License Agreement with the
// Alliance. The structure and organization of this software are the valuable  
// trade secrets of the Alliance and its suppliers. The software is also 
// protected by copyright law and international treaty provisions. Application  
// programs incorporating this software must include the following statement 
// with their copyright notices:
//   
//   This application incorporates Open Design Alliance software pursuant to a license 
//   agreement with Open Design Alliance.
//   Open Design Alliance Copyright (C) 2002-2025 by Open Design Alliance. 
//   All rights reserved.
//
// By use of this software, its documentation or related materials, you 
// acknowledge and accept the above terms.
///////////////////////////////////////////////////////////////////////////////

#include "NwRegistryUtils.h"

#if defined(ODA_WINDOWS)

bool GetRegistryString(  HKEY key, const wchar_t *subkey, const wchar_t *name, wchar_t *value, int size)
{
  bool rv = false;
  HKEY hKey;
  if (RegOpenKeyExW(key, subkey, 0, KEY_READ, &hKey) == ERROR_SUCCESS)
  {
    DWORD dwSize( MAX_PATH_LENGTH);
    unsigned char data[MAX_PATH_LENGTH];
    memset (&data, 0x00, MAX_PATH_LENGTH);
    if( RegQueryValueExW( hKey, name, 0, 0, &data[0], &dwSize) == ERROR_SUCCESS)
    {
      rv = true;
    }
    else
    {
      if ( ERROR_SUCCESS == RegEnumKeyExW(hKey, 0, (LPWSTR)(unsigned short*)&data[0], &dwSize
        , NULL, NULL, NULL, NULL))
      {
        rv = true;
      }
    }

    if( size < MAX_PATH_LENGTH)
    {
      swprintf( value, size, L"%ls\0", (const wchar_t*)data);
    }
    else
    {
      wcsncpy( value, (wchar_t*)data, size - 1);
      value[ size-1] = '\0';
    }

    RegCloseKey(hKey);
  }
  return rv;
}
#endif