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use ILGetSize() instead of IMalloc::GetSize()

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svn path=/trunk/; revision=6185
This commit is contained in:
Martin Fuchs 2003-09-28 19:49:59 +00:00
parent bbe43cc970
commit 61382e6bca
2 changed files with 89 additions and 44 deletions
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27
reactos/subsys/system/explorer/utility/shellclasses.cpp
View file

@ -315,14 +315,14 @@ void ShellPath::GetUIObjectOf(REFIID riid, LPVOID* ppvOut, HWND hWnd, ShellFolde
#ifndef __MINGW32__ // ILCombine() is currently missing in MinGW.
// convert an item id list from relative to absolute (=relative to the desktop) format
LPITEMIDLIST ShellPath::create_absolute_pidl(LPCITEMIDLIST parent_pidl, HWND hwnd) const
ShellPath ShellPath::create_absolute_pidl(LPCITEMIDLIST parent_pidl, HWND hwnd) const
{
return ILCombine(parent_pidl, _p);
/* seems to work only for NT upwards
// create a new item id list with _p append behind parent_pidl
int l1 = _malloc->GetSize((void*)parent_pidl) - sizeof(USHORT/ SHITEMID::cb /);
int l2 = _malloc->GetSize(_p);
int l1 = ILGetSize(parent_pidl) - sizeof(USHORT/ SHITEMID::cb /);
int l2 = ILGetSize(_p);
LPITEMIDLIST p = (LPITEMIDLIST) _malloc->Alloc(l1+l2);
@ -335,7 +335,7 @@ LPITEMIDLIST ShellPath::create_absolute_pidl(LPCITEMIDLIST parent_pidl, HWND hwn
#else
LPITEMIDLIST ShellPath::create_absolute_pidl(LPCITEMIDLIST parent_pidl, HWND hwnd) const
ShellPath ShellPath::create_absolute_pidl(LPCITEMIDLIST parent_pidl, HWND hwnd) const
{
static DynamicFct<LPITEMIDLIST(WINAPI*)(LPCITEMIDLIST, LPCITEMIDLIST)> ILCombine(_T("SHELL32"), 25);
@ -343,8 +343,8 @@ LPITEMIDLIST ShellPath::create_absolute_pidl(LPCITEMIDLIST parent_pidl, HWND hwn
return (*ILCombine)(parent_pidl, _p);
// create a new item id list with _p append behind parent_pidl
int l1 = _malloc->GetSize((void*)parent_pidl) - sizeof(USHORT/*SHITEMID::cb*/);
int l2 = _malloc->GetSize(_p);
int l1 = ILGetSize(parent_pidl) - sizeof(USHORT/*SHITEMID::cb*/);
int l2 = ILGetSize(_p);
LPITEMIDLIST p = (LPITEMIDLIST) _malloc->Alloc(l1+l2);
@ -354,4 +354,19 @@ LPITEMIDLIST ShellPath::create_absolute_pidl(LPCITEMIDLIST parent_pidl, HWND hwn
return p;
}
UINT ILGetSize(LPCITEMIDLIST pidl)
{
if (!pidl)
return 0;
int l = sizeof(USHORT/*SHITEMID::cb*/);
while(pidl->mkid.cb) {
l += pidl->mkid.cb;
pidl = LPCITEMIDLIST((LPBYTE)pidl+pidl->mkid.cb);
}
return l;
}
#endif

106
reactos/subsys/system/explorer/utility/shellclasses.h
View file

@ -150,7 +150,7 @@ struct CommonShellMalloc
{
CommonShellMalloc()
{
_p = 0;
_p = NULL;
}
void init()
@ -241,7 +241,7 @@ protected:
void Free()
{
_malloc->Free(_p);
_p = 0;
_p = NULL;
}
T* _p;
@ -331,7 +331,7 @@ template<typename T> struct SIfacePtr
void Free()
{
T* h = _p;
_p = 0;
_p = NULL;
if (h)
h->Release();
@ -424,6 +424,11 @@ extern HRESULT path_from_pidlW(IShellFolder* folder, LPCITEMIDLIST pidl, LPWSTR
extern HRESULT name_from_pidl(IShellFolder* folder, LPCITEMIDLIST pidl, LPTSTR buffer, int len, SHGDNF flags);
#ifdef __MINGW32__ // ILGetSize() is currently missing in MinGW.
extern "C" UINT ILGetSize(LPCITEMIDLIST pidl);
#endif
// wrapper class for item ID lists
struct ShellPath : public SShellPtr<ITEMIDLIST>
@ -436,14 +441,20 @@ struct ShellPath : public SShellPtr<ITEMIDLIST>
ShellPath(IShellFolder* folder, LPCWSTR path)
{
ULONG l;
CheckError(folder->ParseDisplayName(0, 0, (LPOLESTR)path, &l, &_p, 0));
if (path) {
ULONG l;
CheckError(folder->ParseDisplayName(0, 0, (LPOLESTR)path, &l, &_p, 0));
} else
_p = NULL;
}
ShellPath(LPCWSTR path)
{
ULONG l;
CheckError(Desktop()->ParseDisplayName(0, 0, (LPOLESTR)path, &l, &_p, 0));
if (path) {
ULONG l;
CheckError(Desktop()->ParseDisplayName(0, 0, (LPOLESTR)path, &l, &_p, 0));
} else
_p = NULL;
}
ShellPath(IShellFolder* folder, LPCSTR path)
@ -451,8 +462,11 @@ struct ShellPath : public SShellPtr<ITEMIDLIST>
ULONG l;
WCHAR b[MAX_PATH];
MultiByteToWideChar(CP_ACP, 0, path, -1, b, MAX_PATH);
CheckError(folder->ParseDisplayName(0, 0, b, &l, &_p, 0));
if (path) {
MultiByteToWideChar(CP_ACP, 0, path, -1, b, MAX_PATH);
CheckError(folder->ParseDisplayName(0, 0, b, &l, &_p, 0));
} else
_p = NULL;
}
ShellPath(LPCSTR path)
@ -460,37 +474,49 @@ struct ShellPath : public SShellPtr<ITEMIDLIST>
ULONG l;
WCHAR b[MAX_PATH];
MultiByteToWideChar(CP_ACP, 0, path, -1, b, MAX_PATH);
CheckError(Desktop()->ParseDisplayName(0, 0, b, &l, &_p, 0));
if (path) {
MultiByteToWideChar(CP_ACP, 0, path, -1, b, MAX_PATH);
CheckError(Desktop()->ParseDisplayName(0, 0, b, &l, &_p, 0));
} else
_p = NULL;
}
ShellPath(const ShellPath& o)
: super(NULL)
{
if (o._p) {
int l = _malloc->GetSize(o._p);
int l = ILGetSize(o._p);
_p = (ITEMIDLIST*) _malloc->Alloc(l);
memcpy(_p, o._p, l);
if (_p) memcpy(_p, o._p, l);
}
}
ShellPath(ITEMIDLIST* p)
: SShellPtr<ITEMIDLIST>(p)
explicit ShellPath(LPITEMIDLIST p)
: super(p)
{
}
ShellPath(LPCITEMIDLIST p)
{
if (p) {
int l = ILGetSize(p);
_p = (ITEMIDLIST*) _malloc->Alloc(l);
if (_p) memcpy(_p, p, l);
}
}
void operator=(const ShellPath& o)
{
ITEMIDLIST* h = _p;
if (o._p) {
int l = _malloc->GetSize(o._p);
int l = ILGetSize(o._p);
_p = (ITEMIDLIST*)_malloc->Alloc(l);
memcpy(_p, o._p, l);
_p = (ITEMIDLIST*) _malloc->Alloc(l);
if (_p) memcpy(_p, o._p, l);
}
else
_p = 0;
_p = NULL;
_malloc->Free(h);
}
@ -500,13 +526,12 @@ struct ShellPath : public SShellPtr<ITEMIDLIST>
ITEMIDLIST* h = _p;
if (p) {
int l = _malloc->GetSize(p);
_p = (ITEMIDLIST*)_malloc->Alloc(l);
memcpy(_p, p, l);
int l = ILGetSize(p);
_p = (ITEMIDLIST*) _malloc->Alloc(l);
if (_p) memcpy(_p, p, l);
}
else
_p = 0;
_p = NULL;
_malloc->Free(h);
}
@ -516,7 +541,7 @@ struct ShellPath : public SShellPtr<ITEMIDLIST>
ITEMIDLIST* h = _p;
LPBYTE p = (LPBYTE)_malloc->Alloc(o.cb+2);
*(PWORD)((LPBYTE)memcpy(p, &o, o.cb)+o.cb) = 0;
if (p) *(PWORD)((LPBYTE)memcpy(p, &o, o.cb)+o.cb) = 0;
_p = (ITEMIDLIST*)p;
_malloc->Free(h);
@ -524,38 +549,43 @@ struct ShellPath : public SShellPtr<ITEMIDLIST>
void operator+=(const SHITEMID& o)
{
int l0 = _malloc->GetSize(_p);
int l0 = ILGetSize(_p);
LPBYTE p = (LPBYTE)_malloc->Alloc(l0+o.cb);
int l = l0 - 2;
memcpy(p, _p, l);
*(PWORD)((LPBYTE)memcpy(p+l, &o, o.cb)+o.cb) = 0;
if (p) {
memcpy(p, _p, l);
*(PWORD)((LPBYTE)memcpy(p+l, &o, o.cb)+o.cb) = 0;
}
_malloc->Free(_p);
_p = (ITEMIDLIST*)p;
}
void assign(ITEMIDLIST* pidl, size_t size)
void assign(LPCITEMIDLIST pidl, size_t size)
{
ITEMIDLIST* h = _p;
_p = (ITEMIDLIST*) _malloc->Alloc(size+sizeof(USHORT/*SHITEMID::cb*/));
memcpy(_p, pidl, size);
((ITEMIDLIST*)((LPBYTE)_p+size))->mkid.cb = 0; // terminator
if (_p) {
memcpy(_p, pidl, size);
((ITEMIDLIST*)((LPBYTE)_p+size))->mkid.cb = 0; // terminator
}
_malloc->Free(h);
}
void assign(ITEMIDLIST* pidl)
void assign(LPCITEMIDLIST pidl)
{
ITEMIDLIST* h = _p;
if (pidl) {
int l = _malloc->GetSize(pidl);
_p = (ITEMIDLIST*)_malloc->Alloc(l);
memcpy(_p, pidl, l);
int l = ILGetSize(pidl);
_p = (ITEMIDLIST*) _malloc->Alloc(l);
if (_p) memcpy(_p, pidl, l);
} else
_p = 0;
_p = NULL;
_malloc->Free(h);
}
@ -575,7 +605,7 @@ struct ShellPath : public SShellPtr<ITEMIDLIST>
}
// convert an item id list from relative to absolute (=relative to the desktop) format
LPITEMIDLIST create_absolute_pidl(LPCITEMIDLIST parent_pidl, HWND hwnd) const;
ShellPath create_absolute_pidl(LPCITEMIDLIST parent_pidl, HWND hwnd) const;
};
@ -660,7 +690,7 @@ protected:
public:
FileSysShellPath(const ShellPath& o) : ShellPath(o) {_fullpath[0] = '\0';}
operator LPCTSTR() {SHGetPathFromIDList(_p, _fullpath); return _fullpath;}
operator LPCTSTR() {if (!SHGetPathFromIDList(_p, _fullpath)) return NULL; return _fullpath;}
};