442 lines
12 KiB
C++
442 lines
12 KiB
C++
|
#include "sfstorage.h"
|
||
|
|
|
||
|
|
class CSFStorageEnum : public IEnumSTATSTG
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
// IUnknown
|
||
|
|
STDMETHOD(QueryInterface)(REFIID riid, void **ppvObj);
|
||
|
|
STDMETHOD_(ULONG, AddRef)();
|
||
|
|
STDMETHOD_(ULONG, Release)();
|
||
|
|
|
||
|
|
// IEnumSTATSTG
|
||
|
|
STDMETHOD(Skip)(ULONG celt)
|
||
|
|
{ return E_NOTIMPL; };
|
||
|
|
STDMETHOD(Clone)(IEnumSTATSTG **ppenum)
|
||
|
|
{ return E_NOTIMPL; };
|
||
|
|
|
||
|
|
STDMETHOD(Next)(ULONG celt, STATSTG *rgelt, ULONG *pceltFetched);
|
||
|
|
STDMETHOD(Reset)();
|
||
|
|
|
||
|
|
protected:
|
||
|
|
CSFStorageEnum(CSFStorage* psfstg);
|
||
|
|
~CSFStorageEnum();
|
||
|
|
|
||
|
|
private:
|
||
|
|
LONG _cRef;
|
||
|
|
CSFStorage *_psfstg;
|
||
|
|
IEnumIDList *_peidl;
|
||
|
|
|
||
|
|
HRESULT _PidlToSTATSTG(LPCITEMIDLIST pidl, STATSTG *pstatstg);
|
||
|
|
|
||
|
|
friend CSFStorage;
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
CSFStorageEnum::CSFStorageEnum(CSFStorage *psfstg) :
|
||
|
|
_cRef(1)
|
||
|
|
{
|
||
|
|
_psfstg = psfstg;
|
||
|
|
_psfstg->AddRef();
|
||
|
|
|
||
|
|
DllAddRef();
|
||
|
|
}
|
||
|
|
|
||
|
|
CSFStorageEnum::~CSFStorageEnum()
|
||
|
|
{
|
||
|
|
_psfstg->Release();
|
||
|
|
ATOMICRELEASE(_peidl);
|
||
|
|
|
||
|
|
DllRelease();
|
||
|
|
}
|
||
|
|
|
||
|
|
STDMETHODIMP_(ULONG) CSFStorageEnum::AddRef()
|
||
|
|
{
|
||
|
|
return InterlockedIncrement(&_cRef);
|
||
|
|
}
|
||
|
|
|
||
|
|
STDMETHODIMP_(ULONG) CSFStorageEnum::Release()
|
||
|
|
{
|
||
|
|
if (InterlockedDecrement(&_cRef))
|
||
|
|
return _cRef;
|
||
|
|
|
||
|
|
delete this;
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
STDMETHODIMP CSFStorageEnum::QueryInterface(REFIID riid, void **ppv)
|
||
|
|
{
|
||
|
|
static const QITAB qit[] = {
|
||
|
|
QITABENT(CSFStorageEnum, IEnumSTATSTG), // IEnumSTATSTG
|
||
|
|
{ 0 },
|
||
|
|
};
|
||
|
|
return QISearch(this, qit, riid, ppv);
|
||
|
|
}
|
||
|
|
|
||
|
|
HRESULT CSFStorageEnum::_PidlToSTATSTG(LPCITEMIDLIST pidl, STATSTG *pstatstg)
|
||
|
|
{
|
||
|
|
ZeroMemory(pstatstg, sizeof(STATSTG)); // per COM conventions
|
||
|
|
|
||
|
|
VARIANT var;
|
||
|
|
VariantInit(&var);
|
||
|
|
HRESULT hr = _psfstg->GetDetailsEx(pidl, &SCID_FINDDATA, &var);
|
||
|
|
if (SUCCEEDED(hr))
|
||
|
|
{
|
||
|
|
WIN32_FIND_DATAW wfd;
|
||
|
|
if (VariantToBuffer(&var, &wfd, sizeof(wfd)))
|
||
|
|
{
|
||
|
|
pstatstg->atime = wfd.ftLastAccessTime;
|
||
|
|
pstatstg->ctime = wfd.ftCreationTime;
|
||
|
|
pstatstg->mtime = wfd.ftLastWriteTime;
|
||
|
|
pstatstg->cbSize.HighPart = wfd.nFileSizeHigh;
|
||
|
|
pstatstg->cbSize.LowPart = wfd.nFileSizeLow;
|
||
|
|
pstatstg->type = (wfd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) ? STGTY_STORAGE : STGTY_STREAM;
|
||
|
|
hr = SHStrDupW(wfd.cFileName, &pstatstg->pwcsName);
|
||
|
|
}
|
||
|
|
VariantClear(&var);
|
||
|
|
}
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
STDMETHODIMP CSFStorageEnum::Next(ULONG celt, STATSTG *rgelt, ULONG *pceltFetched)
|
||
|
|
{
|
||
|
|
ASSERT((celt != 1) ? (pceltFetched != NULL) : TRUE);
|
||
|
|
|
||
|
|
HRESULT hr = S_OK;
|
||
|
|
|
||
|
|
if (!_peidl)
|
||
|
|
{
|
||
|
|
hr = _psfstg->EnumObjects(NULL, SHCONTF_FOLDERS | SHCONTF_NONFOLDERS | SHCONTF_INCLUDEHIDDEN, &_peidl);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (S_OK == hr)
|
||
|
|
{
|
||
|
|
hr = E_OUTOFMEMORY;
|
||
|
|
LPITEMIDLIST *apidl = new LPITEMIDLIST[celt];
|
||
|
|
if (apidl)
|
||
|
|
{
|
||
|
|
ULONG celtFetched;
|
||
|
|
hr = _peidl->Next(celt, apidl, &celtFetched);
|
||
|
|
if (SUCCEEDED(hr))
|
||
|
|
{
|
||
|
|
ULONG celtConverted = 0;
|
||
|
|
|
||
|
|
ULONG i;
|
||
|
|
for (i = 0; i < celtFetched; i++)
|
||
|
|
{
|
||
|
|
if (SUCCEEDED(_PidlToSTATSTG(apidl[i], &rgelt[celtConverted])))
|
||
|
|
{
|
||
|
|
celtConverted++;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
hr = (celtConverted == celt) ? S_OK : S_FALSE;
|
||
|
|
if (pceltFetched)
|
||
|
|
{
|
||
|
|
*pceltFetched = celtConverted;
|
||
|
|
}
|
||
|
|
|
||
|
|
for (i = 0; i < celtFetched; i++)
|
||
|
|
{
|
||
|
|
ILFree(apidl[i]);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
delete apidl;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
STDMETHODIMP CSFStorageEnum::Reset()
|
||
|
|
{
|
||
|
|
HRESULT hr = S_OK;
|
||
|
|
if (_peidl)
|
||
|
|
{
|
||
|
|
hr = _peidl->Reset();
|
||
|
|
}
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
HRESULT CSFStorage::_ParseAndVerify(LPCWSTR pwszName, LPBC pbc, LPITEMIDLIST *ppidl)
|
||
|
|
{
|
||
|
|
*ppidl = NULL;
|
||
|
|
|
||
|
|
LPITEMIDLIST pidl;
|
||
|
|
HRESULT hr = ParseDisplayName(NULL, pbc, (LPWSTR) pwszName, NULL, &pidl, NULL);
|
||
|
|
if (SUCCEEDED(hr))
|
||
|
|
{
|
||
|
|
// must be single-level
|
||
|
|
if (ILFindLastID(pidl) != pidl)
|
||
|
|
{
|
||
|
|
hr = E_FAIL;
|
||
|
|
ILFree(pidl);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
*ppidl = pidl;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
HRESULT CSFStorage::_BindByName(LPCWSTR pwszName, LPBC pbcParse, DWORD grfMode, REFIID riid, void **ppv)
|
||
|
|
{
|
||
|
|
*ppv = NULL;
|
||
|
|
|
||
|
|
LPITEMIDLIST pidl;
|
||
|
|
HRESULT hr = _ParseAndVerify(pwszName, pbcParse, &pidl);
|
||
|
|
if (SUCCEEDED(hr))
|
||
|
|
{
|
||
|
|
IBindCtx *pbc;
|
||
|
|
hr = BindCtx_CreateWithMode(grfMode, &pbc);
|
||
|
|
if (SUCCEEDED(hr))
|
||
|
|
{
|
||
|
|
hr = BindToObject(pidl, pbc, riid, ppv);
|
||
|
|
|
||
|
|
pbc->Release();
|
||
|
|
}
|
||
|
|
ILFree(pidl);
|
||
|
|
}
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
STDMETHODIMP CSFStorage::Commit(DWORD grfCommitFlags)
|
||
|
|
{
|
||
|
|
return S_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
STDMETHODIMP CSFStorage::Revert()
|
||
|
|
{
|
||
|
|
return E_NOTIMPL;
|
||
|
|
}
|
||
|
|
|
||
|
|
STDMETHODIMP CSFStorage::SetClass(REFCLSID clsid)
|
||
|
|
{
|
||
|
|
return E_NOTIMPL;
|
||
|
|
}
|
||
|
|
|
||
|
|
STDMETHODIMP CSFStorage::SetStateBits(DWORD grfStateBits, DWORD grfMask)
|
||
|
|
{
|
||
|
|
return E_NOTIMPL;
|
||
|
|
}
|
||
|
|
|
||
|
|
STDMETHODIMP CSFStorage::Stat(STATSTG *pstatstg, DWORD grfStatFlag)
|
||
|
|
{
|
||
|
|
// we can at least get the name to use in STATSTG.
|
||
|
|
ZeroMemory(pstatstg, sizeof(STATSTG));
|
||
|
|
|
||
|
|
LPITEMIDLIST pidl;
|
||
|
|
HRESULT hr = SHGetIDListFromUnk(SAFECAST(this, IShellFolder2*), &pidl);
|
||
|
|
if (SUCCEEDED(hr))
|
||
|
|
{
|
||
|
|
LPCITEMIDLIST pidlLast;
|
||
|
|
IShellFolder *psf;
|
||
|
|
hr = SHBindToIDListParent(pidl, IID_PPV_ARG(IShellFolder, &psf), &pidlLast);
|
||
|
|
if (SUCCEEDED(hr))
|
||
|
|
{
|
||
|
|
TCHAR szName[MAX_PATH];
|
||
|
|
hr = DisplayNameOf(psf, pidlLast, SHGDN_FORPARSING | SHGDN_INFOLDER, szName, ARRAYSIZE(szName));
|
||
|
|
if (SUCCEEDED(hr))
|
||
|
|
{
|
||
|
|
// don't know what mode we were bound with, STGM_READ is good enough.
|
||
|
|
pstatstg->grfMode = STGM_READ;
|
||
|
|
if (!(grfStatFlag & STATFLAG_NONAME))
|
||
|
|
{
|
||
|
|
hr = SHStrDup(szName, &pstatstg->pwcsName);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
psf->Release();
|
||
|
|
}
|
||
|
|
ILFree(pidl);
|
||
|
|
}
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
STDMETHODIMP CSFStorage::EnumElements(DWORD reserved1, void *reserved2, DWORD reserved3, IEnumSTATSTG **ppenum)
|
||
|
|
{
|
||
|
|
HRESULT hr;
|
||
|
|
CSFStorageEnum *penum = new CSFStorageEnum(this);
|
||
|
|
if (penum)
|
||
|
|
{
|
||
|
|
*ppenum = (IEnumSTATSTG *) penum;
|
||
|
|
hr = S_OK;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
*ppenum = NULL;
|
||
|
|
hr = E_OUTOFMEMORY;
|
||
|
|
}
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
STDMETHODIMP CSFStorage::OpenStream(LPCWSTR pszRel, VOID *reserved1, DWORD grfMode, DWORD reserved2, IStream **ppstm)
|
||
|
|
{
|
||
|
|
HRESULT hr = _BindByName(pszRel, NULL, grfMode, IID_PPV_ARG(IStream, ppstm));
|
||
|
|
return MapWin32ErrorToSTG(hr);
|
||
|
|
}
|
||
|
|
|
||
|
|
STDMETHODIMP CSFStorage::OpenStorage(LPCWSTR pszRel, IStorage *pstgPriority, DWORD grfMode, SNB snbExclude, DWORD reserved, IStorage **ppstg)
|
||
|
|
{
|
||
|
|
HRESULT hr = _BindByName(pszRel, NULL, grfMode, IID_PPV_ARG(IStorage, ppstg));
|
||
|
|
return MapWin32ErrorToSTG(hr);
|
||
|
|
}
|
||
|
|
|
||
|
|
STDMETHODIMP CSFStorage::DestroyElement(LPCWSTR pszRel)
|
||
|
|
{
|
||
|
|
LPITEMIDLIST pidl;
|
||
|
|
HRESULT hr = _ParseAndVerify(pszRel, NULL, &pidl);
|
||
|
|
if (SUCCEEDED(hr))
|
||
|
|
{
|
||
|
|
hr = _DeleteItemByIDList(pidl);
|
||
|
|
ILFree(pidl);
|
||
|
|
}
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
STDMETHODIMP CSFStorage::RenameElement(LPCWSTR pwcsOldName, LPCWSTR pwcsNewName)
|
||
|
|
{
|
||
|
|
LPITEMIDLIST pidl;
|
||
|
|
HRESULT hr = _ParseAndVerify(pwcsOldName, NULL, &pidl);
|
||
|
|
if (SUCCEEDED(hr))
|
||
|
|
{
|
||
|
|
// ISSUE: this might put up UI
|
||
|
|
hr = SetNameOf(NULL, pidl, pwcsNewName, SHGDN_FORPARSING, NULL);
|
||
|
|
ILFree(pidl);
|
||
|
|
}
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
STDMETHODIMP CSFStorage::SetElementTimes(LPCWSTR pszRel, const FILETIME *pctime, const FILETIME *patime, const FILETIME *pmtime)
|
||
|
|
{
|
||
|
|
// could have another virtual function here for the subclass to implement,
|
||
|
|
// but nobody ever calls this function anyway.
|
||
|
|
return E_NOTIMPL;
|
||
|
|
}
|
||
|
|
|
||
|
|
STDMETHODIMP CSFStorage::CopyTo(DWORD ciidExclude, const IID *rgiidExclude, SNB snbExclude, IStorage *pstgDest)
|
||
|
|
{
|
||
|
|
// TODO filefldr doesnt implement this so apparently nobody needs it yet
|
||
|
|
return E_NOTIMPL;
|
||
|
|
}
|
||
|
|
|
||
|
|
STDMETHODIMP CSFStorage::MoveElementTo(LPCWSTR pszRel, IStorage *pstgDest, LPCWSTR pwcsNewName, DWORD grfFlags)
|
||
|
|
{
|
||
|
|
return StgMoveElementTo(SAFECAST(this, IShellFolder *), SAFECAST(this, IStorage *), pszRel, pstgDest, pwcsNewName, grfFlags);
|
||
|
|
}
|
||
|
|
|
||
|
|
HRESULT CSFStorage::_CreateHelper(LPCWSTR pwcsName, DWORD grfMode, REFIID riid, void **ppv)
|
||
|
|
{
|
||
|
|
*ppv = NULL;
|
||
|
|
|
||
|
|
HRESULT hr = S_OK;
|
||
|
|
LPITEMIDLIST pidlTemp;
|
||
|
|
if (!(grfMode & STGM_CREATE) && SUCCEEDED(_ParseAndVerify(pwcsName, NULL, &pidlTemp)))
|
||
|
|
{
|
||
|
|
ILFree(pidlTemp);
|
||
|
|
hr = HRESULT_FROM_WIN32(ERROR_ALREADY_EXISTS);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (SUCCEEDED(hr))
|
||
|
|
{
|
||
|
|
IBindCtx *pbcParse;
|
||
|
|
hr = BindCtx_CreateWithMode(STGM_CREATE, &pbcParse);
|
||
|
|
if (SUCCEEDED(hr))
|
||
|
|
{
|
||
|
|
LPITEMIDLIST pidl;
|
||
|
|
hr = _ParseAndVerify(pwcsName, pbcParse, &pidl);
|
||
|
|
if (SUCCEEDED(hr))
|
||
|
|
{
|
||
|
|
hr = _StgCreate(pidl, grfMode, riid, ppv);
|
||
|
|
ILFree(pidl);
|
||
|
|
}
|
||
|
|
pbcParse->Release();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return MapWin32ErrorToSTG(hr);
|
||
|
|
}
|
||
|
|
|
||
|
|
STDMETHODIMP CSFStorage::CreateStream(LPCWSTR pwcsName, DWORD grfMode, DWORD res1, DWORD res2, IStream **ppstm)
|
||
|
|
{
|
||
|
|
return _CreateHelper(pwcsName, grfMode, IID_PPV_ARG(IStream, ppstm));
|
||
|
|
}
|
||
|
|
|
||
|
|
STDMETHODIMP CSFStorage::CreateStorage(LPCWSTR pwcsName, DWORD grfMode, DWORD res1, DWORD res2, IStorage **ppstg)
|
||
|
|
{
|
||
|
|
return _CreateHelper(pwcsName, grfMode, IID_PPV_ARG(IStorage, ppstg));
|
||
|
|
}
|
||
|
|
|
||
|
|
// factored out of filefldr.cpp
|
||
|
|
HRESULT StgMoveElementTo(IShellFolder *psf, IStorage *pstgSrc, LPCWSTR pwcsName, IStorage *pstgDest, LPCWSTR pwcsNewName, DWORD grfFlags)
|
||
|
|
{
|
||
|
|
if ((grfFlags != STGMOVE_MOVE) && (grfFlags != STGMOVE_COPY))
|
||
|
|
return E_INVALIDARG;
|
||
|
|
|
||
|
|
// Get the IDList for the source stream's file
|
||
|
|
LPITEMIDLIST pidl;
|
||
|
|
HRESULT hr = psf->ParseDisplayName(NULL, NULL, (LPWSTR) pwcsName, NULL, &pidl, NULL);
|
||
|
|
if (SUCCEEDED(hr))
|
||
|
|
{
|
||
|
|
// Bind to the source file as an IStream
|
||
|
|
IStream *pstmSrc;
|
||
|
|
hr = psf->BindToObject(pidl, NULL, IID_PPV_ARG(IStream, &pstmSrc));
|
||
|
|
if (SUCCEEDED(hr))
|
||
|
|
{
|
||
|
|
// Create the destination stream
|
||
|
|
IStream *pstmDst;
|
||
|
|
hr = pstgDest->CreateStream(pwcsNewName, STGM_WRITE | STGM_CREATE | STGM_SHARE_EXCLUSIVE, 0, NULL, &pstmDst);
|
||
|
|
if (SUCCEEDED(hr))
|
||
|
|
{
|
||
|
|
ULARGE_INTEGER ulMax = {-1, -1}; // whole thing
|
||
|
|
hr = pstmSrc->CopyTo(pstmDst, ulMax, NULL, NULL);
|
||
|
|
|
||
|
|
// If all went well this is a move (not a copy), remove the source
|
||
|
|
if (SUCCEEDED(hr))
|
||
|
|
{
|
||
|
|
hr = pstmDst->Commit(STGC_DEFAULT);
|
||
|
|
if (SUCCEEDED(hr) && (grfFlags == STGMOVE_MOVE))
|
||
|
|
hr = pstgSrc->DestroyElement(pwcsName);
|
||
|
|
}
|
||
|
|
pstmDst->Release();
|
||
|
|
}
|
||
|
|
pstmSrc->Release();
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
IStorage *pstgSrc;
|
||
|
|
hr = psf->BindToObject(pidl, NULL, IID_PPV_ARG(IStorage, &pstgSrc));
|
||
|
|
if (SUCCEEDED(hr))
|
||
|
|
{
|
||
|
|
IStorage *pstgDst;
|
||
|
|
hr = pstgDest->CreateStorage(pwcsNewName, STGM_READWRITE | STGM_CREATE | STGM_SHARE_EXCLUSIVE, 0, NULL, &pstgDst);
|
||
|
|
if (SUCCEEDED(hr))
|
||
|
|
{
|
||
|
|
IEnumSTATSTG *penum;
|
||
|
|
if (S_OK == pstgSrc->EnumElements(0, NULL, 0, &penum))
|
||
|
|
{
|
||
|
|
STATSTG stat;
|
||
|
|
while (S_OK == penum->Next(1, &stat, NULL))
|
||
|
|
{
|
||
|
|
hr = pstgSrc->MoveElementTo(stat.pwcsName, pstgDst, stat.pwcsName, grfFlags);
|
||
|
|
if (SUCCEEDED(hr))
|
||
|
|
hr = pstgDst->Commit(STGC_DEFAULT);
|
||
|
|
CoTaskMemFree(stat.pwcsName);
|
||
|
|
if (FAILED(hr))
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
penum->Release();
|
||
|
|
}
|
||
|
|
|
||
|
|
if (SUCCEEDED(hr))
|
||
|
|
hr = pstgDst->Commit(STGC_DEFAULT);
|
||
|
|
|
||
|
|
pstgDst->Release();
|
||
|
|
}
|
||
|
|
pstgSrc->Release();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
ILFree(pidl);
|
||
|
|
}
|
||
|
|
|
||
|
|
return hr;
|
||
|
|
}
|