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/*******************************************************************************
* Copyright (c) 2000, 2019 IBM Corporation and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* IBM Corporation - initial API and implementation
* Paul Pazderski - Bug 547634: PathToPIDL
*******************************************************************************/
#include "swt.h"
#include "com_structs.h"
#include "com_stats.h"
#include <Shlobj.h>
#define COM_NATIVE(func) Java_org_eclipse_swt_internal_ole_win32_COM_##func
class CFileSysBindData : public IFileSystemBindData
{
public:
CFileSysBindData() : refCount(1)
{
ZeroMemory(&findData, sizeof(findData));
}
IFACEMETHODIMP QueryInterface(REFIID riid, void **ppv)
{
*ppv = nullptr;
HRESULT hr = E_NOINTERFACE;
if (riid == IID_IUnknown || riid == IID_IFileSystemBindData) {
*ppv = static_cast<IFileSystemBindData*>(this);
AddRef();
hr = S_OK;
}
return hr;
}
IFACEMETHODIMP_(ULONG) AddRef()
{
return InterlockedIncrement(&refCount);
}
IFACEMETHODIMP_(ULONG) Release()
{
long rc = InterlockedDecrement(&refCount);
if (!rc)
delete this;
return rc;
}
IFACEMETHODIMP SetFindData(const WIN32_FIND_DATAW *pfd)
{
findData = *pfd;
return S_OK;
}
IFACEMETHODIMP GetFindData(WIN32_FIND_DATAW *pfd)
{
*pfd = findData;
return S_OK;
}
private:
long refCount;
WIN32_FIND_DATAW findData;
};
/*
* An extended version of SHParseDisplayName which ignores the attribute query part
* and use bind context to support creation of simple PIDLs for non existing paths.
*/
extern "C" HRESULT PathToPIDL(PCWSTR pszName, PIDLIST_ABSOLUTE *ppidl)
{
if (!ppidl) return E_FAIL;
*ppidl = nullptr;
IFileSystemBindData *pfsbd = new CFileSysBindData();
if (!pfsbd) return E_OUTOFMEMORY;
WIN32_FIND_DATAW data = {};
pfsbd->SetFindData(&data);
IBindCtx* pbc;
HRESULT hr = CreateBindCtx(0, &pbc);
if (hr == S_OK)
{
BIND_OPTS bo = { sizeof(bo), 0, STGM_CREATE, 0 };
hr = pbc->SetBindOptions(&bo);
if (hr == S_OK)
{
hr = pbc->RegisterObjectParam(STR_FILE_SYS_BIND_DATA, pfsbd);
if (hr == S_OK)
{
SFGAOF sfgao = 0;
hr = SHParseDisplayName(pszName, pbc, ppidl, sfgao, &sfgao);
}
}
pbc->Release();
}
pfsbd->Release();
return hr;
}
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