diff options
Diffstat (limited to 'other-licenses/7zstub/src/CPP/Common/MyCom.h')
| -rw-r--r-- | other-licenses/7zstub/src/CPP/Common/MyCom.h | 277 |
1 files changed, 277 insertions, 0 deletions
diff --git a/other-licenses/7zstub/src/CPP/Common/MyCom.h b/other-licenses/7zstub/src/CPP/Common/MyCom.h new file mode 100644 index 0000000000..ca49ead992 --- /dev/null +++ b/other-licenses/7zstub/src/CPP/Common/MyCom.h @@ -0,0 +1,277 @@ +// MyCom.h
+
+#ifndef __MY_COM_H
+#define __MY_COM_H
+
+#include "MyWindows.h"
+
+#ifndef RINOK
+#define RINOK(x) { HRESULT __result_ = (x); if (__result_ != S_OK) return __result_; }
+#endif
+
+template <class T>
+class CMyComPtr
+{
+ T* _p;
+public:
+ CMyComPtr(): _p(NULL) {}
+ CMyComPtr(T* p) throw() { if ((_p = p) != NULL) p->AddRef(); }
+ CMyComPtr(const CMyComPtr<T>& lp) throw() { if ((_p = lp._p) != NULL) _p->AddRef(); }
+ ~CMyComPtr() { if (_p) _p->Release(); }
+ void Release() { if (_p) { _p->Release(); _p = NULL; } }
+ operator T*() const { return (T*)_p; }
+ // T& operator*() const { return *_p; }
+ T** operator&() { return &_p; }
+ T* operator->() const { return _p; }
+ T* operator=(T* p)
+ {
+ if (p)
+ p->AddRef();
+ if (_p)
+ _p->Release();
+ _p = p;
+ return p;
+ }
+ T* operator=(const CMyComPtr<T>& lp) { return (*this = lp._p); }
+ bool operator!() const { return (_p == NULL); }
+ // bool operator==(T* pT) const { return _p == pT; }
+ void Attach(T* p2)
+ {
+ Release();
+ _p = p2;
+ }
+ T* Detach()
+ {
+ T* pt = _p;
+ _p = NULL;
+ return pt;
+ }
+ #ifdef _WIN32
+ HRESULT CoCreateInstance(REFCLSID rclsid, REFIID iid, LPUNKNOWN pUnkOuter = NULL, DWORD dwClsContext = CLSCTX_ALL)
+ {
+ return ::CoCreateInstance(rclsid, pUnkOuter, dwClsContext, iid, (void**)&_p);
+ }
+ #endif
+ /*
+ HRESULT CoCreateInstance(LPCOLESTR szProgID, LPUNKNOWN pUnkOuter = NULL, DWORD dwClsContext = CLSCTX_ALL)
+ {
+ CLSID clsid;
+ HRESULT hr = CLSIDFromProgID(szProgID, &clsid);
+ ATLASSERT(_p == NULL);
+ if (SUCCEEDED(hr))
+ hr = ::CoCreateInstance(clsid, pUnkOuter, dwClsContext, __uuidof(T), (void**)&_p);
+ return hr;
+ }
+ */
+ template <class Q>
+ HRESULT QueryInterface(REFGUID iid, Q** pp) const throw()
+ {
+ return _p->QueryInterface(iid, (void**)pp);
+ }
+};
+
+//////////////////////////////////////////////////////////
+
+inline HRESULT StringToBstr(LPCOLESTR src, BSTR *bstr)
+{
+ *bstr = ::SysAllocString(src);
+ return (*bstr) ? S_OK : E_OUTOFMEMORY;
+}
+
+class CMyComBSTR
+{
+ BSTR m_str;
+
+public:
+ CMyComBSTR(): m_str(NULL) {}
+ ~CMyComBSTR() { ::SysFreeString(m_str); }
+ BSTR* operator&() { return &m_str; }
+ operator LPCOLESTR() const { return m_str; }
+ // operator bool() const { return m_str != NULL; }
+ // bool operator!() const { return m_str == NULL; }
+private:
+ // operator BSTR() const { return m_str; }
+
+ CMyComBSTR(LPCOLESTR src) { m_str = ::SysAllocString(src); }
+ // CMyComBSTR(int nSize) { m_str = ::SysAllocStringLen(NULL, nSize); }
+ // CMyComBSTR(int nSize, LPCOLESTR sz) { m_str = ::SysAllocStringLen(sz, nSize); }
+ CMyComBSTR(const CMyComBSTR& src) { m_str = src.MyCopy(); }
+
+ /*
+ CMyComBSTR(REFGUID src)
+ {
+ LPOLESTR szGuid;
+ StringFromCLSID(src, &szGuid);
+ m_str = ::SysAllocString(szGuid);
+ CoTaskMemFree(szGuid);
+ }
+ */
+
+ CMyComBSTR& operator=(const CMyComBSTR& src)
+ {
+ if (m_str != src.m_str)
+ {
+ if (m_str)
+ ::SysFreeString(m_str);
+ m_str = src.MyCopy();
+ }
+ return *this;
+ }
+
+ CMyComBSTR& operator=(LPCOLESTR src)
+ {
+ ::SysFreeString(m_str);
+ m_str = ::SysAllocString(src);
+ return *this;
+ }
+
+ unsigned Len() const { return ::SysStringLen(m_str); }
+
+ BSTR MyCopy() const
+ {
+ // We don't support Byte BSTRs here
+ return ::SysAllocStringLen(m_str, ::SysStringLen(m_str));
+ /*
+ UINT byteLen = ::SysStringByteLen(m_str);
+ BSTR res = ::SysAllocStringByteLen(NULL, byteLen);
+ if (res && byteLen != 0 && m_str)
+ memcpy(res, m_str, byteLen);
+ return res;
+ */
+ }
+
+ /*
+ void Attach(BSTR src) { m_str = src; }
+ BSTR Detach()
+ {
+ BSTR s = m_str;
+ m_str = NULL;
+ return s;
+ }
+ */
+
+ void Empty()
+ {
+ ::SysFreeString(m_str);
+ m_str = NULL;
+ }
+};
+
+
+
+/*
+ If CMyUnknownImp doesn't use virtual destructor, the code size is smaller.
+ But if some class_1 derived from CMyUnknownImp
+ uses MY_ADDREF_RELEASE and IUnknown::Release()
+ and some another class_2 is derived from class_1,
+ then class_1 must use virtual destructor:
+ virtual ~class_1();
+ In that case, class_1::Release() calls correct destructor of class_2.
+
+ Also you can use virtual ~CMyUnknownImp(), if you want to disable warning
+ "class has virtual functions, but destructor is not virtual".
+*/
+
+class CMyUnknownImp
+{
+public:
+ ULONG __m_RefCount;
+ CMyUnknownImp(): __m_RefCount(0) {}
+
+ // virtual
+ ~CMyUnknownImp() {}
+};
+
+
+
+#define MY_QUERYINTERFACE_BEGIN STDMETHOD(QueryInterface) \
+(REFGUID iid, void **outObject) throw() { *outObject = NULL;
+
+#define MY_QUERYINTERFACE_ENTRY(i) else if (iid == IID_ ## i) \
+ { *outObject = (void *)(i *)this; }
+
+#define MY_QUERYINTERFACE_ENTRY_UNKNOWN(i) if (iid == IID_IUnknown) \
+ { *outObject = (void *)(IUnknown *)(i *)this; }
+
+#define MY_QUERYINTERFACE_BEGIN2(i) MY_QUERYINTERFACE_BEGIN \
+ MY_QUERYINTERFACE_ENTRY_UNKNOWN(i) \
+ MY_QUERYINTERFACE_ENTRY(i)
+
+#define MY_QUERYINTERFACE_END else return E_NOINTERFACE; ++__m_RefCount; /* AddRef(); */ return S_OK; }
+
+#define MY_ADDREF_RELEASE \
+STDMETHOD_(ULONG, AddRef)() throw() { return ++__m_RefCount; } \
+STDMETHOD_(ULONG, Release)() { if (--__m_RefCount != 0) \
+ return __m_RefCount; delete this; return 0; }
+
+#define MY_UNKNOWN_IMP_SPEC(i) \
+ MY_QUERYINTERFACE_BEGIN \
+ i \
+ MY_QUERYINTERFACE_END \
+ MY_ADDREF_RELEASE
+
+
+#define MY_UNKNOWN_IMP MY_QUERYINTERFACE_BEGIN \
+ MY_QUERYINTERFACE_ENTRY_UNKNOWN(IUnknown) \
+ MY_QUERYINTERFACE_END \
+ MY_ADDREF_RELEASE
+
+#define MY_UNKNOWN_IMP1(i) MY_UNKNOWN_IMP_SPEC( \
+ MY_QUERYINTERFACE_ENTRY_UNKNOWN(i) \
+ MY_QUERYINTERFACE_ENTRY(i) \
+ )
+
+#define MY_UNKNOWN_IMP2(i1, i2) MY_UNKNOWN_IMP_SPEC( \
+ MY_QUERYINTERFACE_ENTRY_UNKNOWN(i1) \
+ MY_QUERYINTERFACE_ENTRY(i1) \
+ MY_QUERYINTERFACE_ENTRY(i2) \
+ )
+
+#define MY_UNKNOWN_IMP3(i1, i2, i3) MY_UNKNOWN_IMP_SPEC( \
+ MY_QUERYINTERFACE_ENTRY_UNKNOWN(i1) \
+ MY_QUERYINTERFACE_ENTRY(i1) \
+ MY_QUERYINTERFACE_ENTRY(i2) \
+ MY_QUERYINTERFACE_ENTRY(i3) \
+ )
+
+#define MY_UNKNOWN_IMP4(i1, i2, i3, i4) MY_UNKNOWN_IMP_SPEC( \
+ MY_QUERYINTERFACE_ENTRY_UNKNOWN(i1) \
+ MY_QUERYINTERFACE_ENTRY(i1) \
+ MY_QUERYINTERFACE_ENTRY(i2) \
+ MY_QUERYINTERFACE_ENTRY(i3) \
+ MY_QUERYINTERFACE_ENTRY(i4) \
+ )
+
+#define MY_UNKNOWN_IMP5(i1, i2, i3, i4, i5) MY_UNKNOWN_IMP_SPEC( \
+ MY_QUERYINTERFACE_ENTRY_UNKNOWN(i1) \
+ MY_QUERYINTERFACE_ENTRY(i1) \
+ MY_QUERYINTERFACE_ENTRY(i2) \
+ MY_QUERYINTERFACE_ENTRY(i3) \
+ MY_QUERYINTERFACE_ENTRY(i4) \
+ MY_QUERYINTERFACE_ENTRY(i5) \
+ )
+
+#define MY_UNKNOWN_IMP6(i1, i2, i3, i4, i5, i6) MY_UNKNOWN_IMP_SPEC( \
+ MY_QUERYINTERFACE_ENTRY_UNKNOWN(i1) \
+ MY_QUERYINTERFACE_ENTRY(i1) \
+ MY_QUERYINTERFACE_ENTRY(i2) \
+ MY_QUERYINTERFACE_ENTRY(i3) \
+ MY_QUERYINTERFACE_ENTRY(i4) \
+ MY_QUERYINTERFACE_ENTRY(i5) \
+ MY_QUERYINTERFACE_ENTRY(i6) \
+ )
+
+#define MY_UNKNOWN_IMP7(i1, i2, i3, i4, i5, i6, i7) MY_UNKNOWN_IMP_SPEC( \
+ MY_QUERYINTERFACE_ENTRY_UNKNOWN(i1) \
+ MY_QUERYINTERFACE_ENTRY(i1) \
+ MY_QUERYINTERFACE_ENTRY(i2) \
+ MY_QUERYINTERFACE_ENTRY(i3) \
+ MY_QUERYINTERFACE_ENTRY(i4) \
+ MY_QUERYINTERFACE_ENTRY(i5) \
+ MY_QUERYINTERFACE_ENTRY(i6) \
+ MY_QUERYINTERFACE_ENTRY(i7) \
+ )
+
+const HRESULT k_My_HRESULT_WritingWasCut = 0x20000010;
+
+#endif
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