You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
93 lines
2.7 KiB
93 lines
2.7 KiB
|
|
#include <linklistt.h>
|
|
|
|
// put some notes here about how we do things for perf reasons.
|
|
// so our behavior is pathological to our client usage
|
|
// and is not totall generic.
|
|
|
|
enum
|
|
{
|
|
IDLDATAF_MATCH_EXACT = 0x00000001, // self only
|
|
IDLDATAF_MATCH_IMMEDIATE = 0x00000003, // includes self and immediate children
|
|
IDLDATAF_MATCH_RECURSIVE = 0x00000007, // includes self and all children
|
|
// IDLDATAF_IUNKNOWN = 0x80000000,
|
|
// IDLDATAF_SINGLETON = 0x10000000,
|
|
};
|
|
typedef DWORD IDLDATAF;
|
|
|
|
class CIDLData
|
|
{
|
|
public: // basically a struct
|
|
BOOL Init(IDLDATAF flags, INT_PTR data);
|
|
// ~CIDLData() { if (_flags & IDLDATAF_IUNKNOWN) ((IUnknown *)_data)->Release(); }
|
|
HRESULT GetData(IDLDATAF flags, INT_PTR *pdata);
|
|
|
|
IDLDATAF _flags;
|
|
INT_PTR _data;
|
|
};
|
|
|
|
class CIDLMatchMany;
|
|
class CIDLTree;
|
|
class CIDLNode
|
|
{
|
|
public: // methods
|
|
~CIDLNode();
|
|
|
|
protected: // methods
|
|
HRESULT GetNode(BOOL fCreate, LPCITEMIDLIST pidlChild, CIDLNode **ppin, IDLDATAF *pflagsFound = NULL);
|
|
HRESULT IDList(LPITEMIDLIST *ppidl);
|
|
BOOL Init(LPCITEMIDLIST pidl, CIDLNode *pinParent);
|
|
|
|
BOOL _InitSF();
|
|
HRESULT _BindToFolder(LPCITEMIDLIST pidl, IShellFolder **ppsf);
|
|
BOOL _IsEqual(LPCITEMIDLIST pidl1, LPCITEMIDLIST pidl2);
|
|
CLinkedNode<CIDLNode> *_GetKid(LPCITEMIDLIST pidl);
|
|
HRESULT _AddData(IDLDATAF flags, INT_PTR data);
|
|
HRESULT _RemoveData(INT_PTR data);
|
|
void _FreshenKids(void);
|
|
BOOL _IsEmpty(void) { return _listKids.IsEmpty() && _listDatas.IsEmpty();}
|
|
|
|
protected: // members
|
|
LONG _cUsage;
|
|
LPITEMIDLIST _pidl;
|
|
IShellFolder *_psf;
|
|
CIDLNode *_pinParent;
|
|
|
|
// lists
|
|
CLinkedList<CIDLNode> _listKids;
|
|
CLinkedList<CIDLData> _listDatas;
|
|
|
|
friend class CIDLTree;
|
|
friend class CIDLMatchMany;
|
|
};
|
|
|
|
typedef DWORD IDLMATCHF;
|
|
|
|
class CIDLMatchMany
|
|
{
|
|
public:
|
|
HRESULT Next(INT_PTR *pdata, LPITEMIDLIST *ppidl);
|
|
CIDLMatchMany(IDLDATAF flags, CIDLNode *pin)
|
|
: _flags(flags), _pin(pin) { if (pin) _lw.Init(&pin->_listDatas);}
|
|
|
|
protected: // members
|
|
IDLDATAF _flags;
|
|
CIDLNode *_pin;
|
|
CLinkedWalk<CIDLData> _lw;
|
|
};
|
|
|
|
class CIDLTree : CIDLNode
|
|
{
|
|
public:
|
|
HRESULT AddData(IDLDATAF flags, LPCITEMIDLIST pidlIndex, INT_PTR data);
|
|
HRESULT RemoveData(LPCITEMIDLIST pidlIndex, INT_PTR data);
|
|
HRESULT MatchOne(IDLDATAF flags, LPCITEMIDLIST pidlMatch, INT_PTR *pdata, LPITEMIDLIST *ppidl);
|
|
HRESULT MatchMany(IDLDATAF flags, LPCITEMIDLIST pidlMatch, CIDLMatchMany **ppmatch);
|
|
HRESULT Freshen(void);
|
|
|
|
static HRESULT Create(CIDLTree **pptree);
|
|
protected: // methods
|
|
CIDLNode *_MatchNode(LPCITEMIDLIST pidlMatch, IDLMATCHF *pflags);
|
|
};
|
|
|
|
|