diff options
Diffstat (limited to 'src/libs/7zip/win/CPP/Common/MyCom.h')
| -rw-r--r-- | src/libs/7zip/win/CPP/Common/MyCom.h | 225 |
1 files changed, 225 insertions, 0 deletions
diff --git a/src/libs/7zip/win/CPP/Common/MyCom.h b/src/libs/7zip/win/CPP/Common/MyCom.h new file mode 100644 index 000000000..2f00c258f --- /dev/null +++ b/src/libs/7zip/win/CPP/Common/MyCom.h @@ -0,0 +1,225 @@ +// MyCom.h + +#ifndef __MYCOM_H +#define __MYCOM_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: + // typedef T _PtrClass; + CMyComPtr() { _p = NULL;} + CMyComPtr(T* p) {if ((_p = p) != NULL) p->AddRef(); } + CMyComPtr(const CMyComPtr<T>& lp) + { + 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 != 0) + 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; } + // Compare two objects for equivalence + 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 + { + return _p->QueryInterface(iid, (void**)pp); + } +}; + +////////////////////////////////////////////////////////// + +inline HRESULT StringToBstr(LPCOLESTR src, BSTR *bstr) +{ + *bstr = ::SysAllocString(src); + return (*bstr != 0) ? S_OK : E_OUTOFMEMORY; +} + +class CMyComBSTR +{ +public: + BSTR m_str; + CMyComBSTR(): m_str(NULL) {} + 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() { ::SysFreeString(m_str); } + 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 int Length() const { return ::SysStringLen(m_str); } + operator BSTR() const { return m_str; } + BSTR* operator&() { return &m_str; } + BSTR MyCopy() const + { + int byteLen = ::SysStringByteLen(m_str); + BSTR res = ::SysAllocStringByteLen(NULL, byteLen); + 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; + } + bool operator!() const { return (m_str == NULL); } +}; + +////////////////////////////////////////////////////////// + +class CMyUnknownImp +{ +public: + ULONG __m_RefCount; + CMyUnknownImp(): __m_RefCount(0) {} +}; + +#define MY_QUERYINTERFACE_BEGIN STDMETHOD(QueryInterface) \ + (REFGUID iid, void **outObject) { + +#define MY_QUERYINTERFACE_ENTRY(i) if (iid == IID_ ## i) \ + { *outObject = (void *)(i *)this; AddRef(); return S_OK; } + +#define MY_QUERYINTERFACE_ENTRY_UNKNOWN(i) if (iid == IID_IUnknown) \ + { *outObject = (void *)(IUnknown *)(i *)this; AddRef(); return S_OK; } + +#define MY_QUERYINTERFACE_BEGIN2(i) MY_QUERYINTERFACE_BEGIN \ + MY_QUERYINTERFACE_ENTRY_UNKNOWN(i) \ + MY_QUERYINTERFACE_ENTRY(i) + +#define MY_QUERYINTERFACE_END return E_NOINTERFACE; } + +#define MY_ADDREF_RELEASE \ +STDMETHOD_(ULONG, AddRef)() { 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) \ + ) + +#endif |