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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#include "registrar.hpp"
#include "stdio.h"
namespace {
HRESULT RegWrite(HKEY hRootKey, const wchar_t* subKey, const wchar_t* keyName, const wchar_t* keyValue, HKEY *hKeyResult = nullptr)
{
HKEY hKey;
long iRetVal = RegCreateKeyExW(
hRootKey,
subKey,
0,
nullptr,
REG_OPTION_NON_VOLATILE,
KEY_WRITE,
nullptr,
&hKey,
nullptr);
if (iRetVal != ERROR_SUCCESS)
return HRESULT_FROM_WIN32(iRetVal);
if (keyValue)
{
DWORD cbData = static_cast<DWORD>(wcslen(keyValue)*sizeof(keyValue[0]));
iRetVal = RegSetValueExW(hKey, keyName, 0, REG_SZ, reinterpret_cast<const BYTE *>(keyValue), cbData);
}
if (hKeyResult && (iRetVal == ERROR_SUCCESS))
*hKeyResult = hKey;
else
RegCloseKey(hKey);
return HRESULT_FROM_WIN32(iRetVal);
}
HRESULT RegDel(HKEY hRootKey, const wchar_t* subKey)
{
long iRetVal = RegDeleteKeyW(hRootKey, subKey);
return HRESULT_FROM_WIN32(iRetVal);
}
const int nGUIDlen = 40;
}
namespace Registrar {
// see http://stackoverflow.com/questions/284619
// see https://msdn.microsoft.com/en-us/library/ms691424
// see https://msdn.microsoft.com/en-us/library/ms694514
HRESULT RegisterObject(REFIID riidCLSID,
REFIID riidTypeLib,
const wchar_t* sProgram,
const wchar_t* sComponent,
const wchar_t* Path)
{
if (!wcslen(sComponent) || !wcslen(sProgram))
return E_INVALIDARG;
wchar_t sCLSID[nGUIDlen];
if (::StringFromGUID2(riidCLSID, sCLSID, nGUIDlen) == 0)
return E_UNEXPECTED;
// HKEY_CLASSES_ROOT
// \CLSID
// \{XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX}
// (default) = "MyLibrary MyControl Class"
// \InprocServer32
// (default) = "c:\foo\control.dll"
// ThreadingModel = "Apartment"
// \ProgID
// (default) = "MyLibrary.MyControl"
// \Programmable
// \TypeLib
// (default) = "{YYYYYYYY-YYYY-YYYY-YYYY-YYYYYYYYYYYY}"
// \MyLibrary.MyControl
// \CLSID
// (default) = "{XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX}"
wchar_t sBufKey[MAX_PATH];
wchar_t sBufVal[MAX_PATH];
// CLSID
swprintf(sBufKey, MAX_PATH, L"CLSID\\%s", sCLSID);
swprintf(sBufVal, MAX_PATH, L"%s %s Class", sProgram, sComponent);
HKEY hKeyCLSID;
HRESULT hr = RegWrite(HKEY_CLASSES_ROOT, sBufKey, L"", sBufVal, &hKeyCLSID);
if (FAILED(hr))
return hr;
{
class HKeyGuard {
public:
HKeyGuard(HKEY aKey) : m_hKey(aKey) {}
~HKeyGuard() { RegCloseKey(m_hKey); }
private:
HKEY m_hKey;
};
HKeyGuard hKeyCLSIDGuard(hKeyCLSID);
// InprocServer32
HKEY hKeyInprocServer32;
hr = RegWrite(hKeyCLSID, L"InprocServer32", L"", Path, &hKeyInprocServer32);
if (FAILED(hr))
return hr;
{
HKeyGuard hKeyInProcServer32Guard(hKeyInprocServer32);
hr = RegWrite(hKeyInprocServer32, L"", L"ThreadingModel", L"Apartment");
if (FAILED(hr))
return hr;
}
// ProgID
swprintf(sBufVal, MAX_PATH, L"%s.%s", sProgram, sComponent);
hr = RegWrite(hKeyCLSID, L"ProgID", L"", sBufVal);
if (FAILED(hr))
return hr;
// Programmable
hr = RegWrite(hKeyCLSID, L"Programmable", nullptr, nullptr);
if (FAILED(hr))
return hr;
// TypeLib
if (::StringFromGUID2(riidTypeLib, sBufVal, nGUIDlen) == 0)
return E_UNEXPECTED;
hr = RegWrite(hKeyCLSID, L"TypeLib", L"", sBufVal);
if (FAILED(hr))
return hr;
}
// ProgID
swprintf(sBufKey, MAX_PATH, L"%s.%s\\CLSID", sProgram, sComponent);
return RegWrite(HKEY_CLASSES_ROOT, sBufKey, L"", sCLSID);
}
HRESULT UnRegisterObject(REFIID riidCLSID, const wchar_t* LibId, const wchar_t* ClassId)
{
wchar_t sCLSID[nGUIDlen];
wchar_t sBuf[MAX_PATH];
if (::StringFromGUID2(riidCLSID, sCLSID, nGUIDlen) == 0)
return E_UNEXPECTED;
// ProgID
swprintf(sBuf, MAX_PATH, L"%s.%s\\CLSID", LibId, ClassId);
RegDel(HKEY_CLASSES_ROOT, sBuf);
swprintf(sBuf, MAX_PATH, L"%s.%s", LibId, ClassId);
RegDel(HKEY_CLASSES_ROOT, sBuf);
// CLSID
swprintf(sBuf, MAX_PATH, L"CLSID\\%s\\InProcServer32", sCLSID);
RegDel(HKEY_CLASSES_ROOT, sBuf);
swprintf(sBuf, MAX_PATH, L"CLSID\\%s\\ProgId", sCLSID);
RegDel(HKEY_CLASSES_ROOT, sBuf);
swprintf(sBuf, MAX_PATH, L"CLSID\\%s\\Programmable", sCLSID);
RegDel(HKEY_CLASSES_ROOT, sBuf);
swprintf(sBuf, MAX_PATH, L"CLSID\\%s\\TypeLib", sCLSID);
RegDel(HKEY_CLASSES_ROOT, sBuf);
swprintf(sBuf, MAX_PATH, L"CLSID\\%s", sCLSID);
return RegDel(HKEY_CLASSES_ROOT, sBuf);
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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