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/** |
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* This file has no copyright assigned and is placed in the Public Domain. |
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* This file is part of the mingw-w64 runtime package. |
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* No warranty is given; refer to the file DISCLAIMER.PD within this package. |
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*/ |
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#ifndef _INC_COMIP |
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#define _INC_COMIP |
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|
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#include <_mingw.h> |
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|
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#include <ole2.h> |
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#include <malloc.h> |
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|
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#include <comutil.h> |
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|
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#ifdef __cplusplus |
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|
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#pragma push_macro("new") |
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#undef new |
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|
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#include <new.h> |
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|
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class _com_error; |
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|
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#ifndef WINAPI |
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#if defined(_ARM_) |
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#define WINAPI |
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#else |
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#define WINAPI __stdcall |
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#endif |
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#endif |
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|
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void WINAPI _com_issue_error(HRESULT); |
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struct IUnknown; |
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|
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template<typename _Interface,const IID *_IID > |
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class _com_IIID { |
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public: |
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typedef _Interface Interface; |
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static _Interface *GetInterfacePtr() throw() { return NULL; } |
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static _Interface& GetInterface() throw() { return *GetInterfacePtr(); } |
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static const IID& GetIID() throw() { return *_IID; } |
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}; |
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|
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/* This is needed for _COM_SMARTPTR_TYPEDEF using emulated __uuidof. Since we can't pass |
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* IID as a template argument, it's passed as a wrapper function. */ |
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template<typename _Interface,const IID &(*iid_getter)() > |
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class _com_IIID_getter { |
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public: |
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typedef _Interface Interface; |
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static _Interface *GetInterfacePtr() throw() { return NULL; } |
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static _Interface& GetInterface() throw() { return *GetInterfacePtr(); } |
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static const IID& GetIID() throw() { return iid_getter(); } |
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}; |
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|
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template<typename _IIID> class _com_ptr_t { |
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public: |
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typedef _IIID ThisIIID; |
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typedef typename _IIID::Interface Interface; |
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static const IID& GetIID() throw() { return ThisIIID::GetIID(); } |
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template<typename _OtherIID> _com_ptr_t(const _com_ptr_t<_OtherIID> &p) : m_pInterface(NULL) { |
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HRESULT hr = _QueryInterface(p); |
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if(FAILED(hr) && (hr!=E_NOINTERFACE)) { _com_issue_error(hr); } |
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} |
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template<typename _InterfaceType> _com_ptr_t(_InterfaceType *p) : m_pInterface(NULL) { |
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HRESULT hr = _QueryInterface(p); |
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if(FAILED(hr) && (hr!=E_NOINTERFACE)) { _com_issue_error(hr); } |
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} |
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_com_ptr_t(LPSTR str) { new(this) _com_ptr_t(static_cast<LPCSTR> (str),NULL); } |
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_com_ptr_t(LPWSTR str) { new(this) _com_ptr_t(static_cast<LPCWSTR> (str),NULL); } |
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explicit _com_ptr_t(_com_ptr_t *p) : m_pInterface(NULL) { |
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if(!p) { _com_issue_error(E_POINTER); } |
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else { |
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m_pInterface = p->m_pInterface; |
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AddRef(); |
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} |
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} |
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_com_ptr_t() throw() : m_pInterface(NULL) { } |
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_com_ptr_t(int null) : m_pInterface(NULL) { |
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if(null!=0) { _com_issue_error(E_POINTER); } |
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} |
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|
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#ifdef _NATIVE_NULLPTR_SUPPORTED |
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_com_ptr_t(decltype(nullptr)) : m_pInterface(NULL) {} |
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#endif |
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|
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_com_ptr_t(const _com_ptr_t &cp) throw() : m_pInterface(cp.m_pInterface) { _AddRef(); } |
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_com_ptr_t(Interface *pInterface) throw() : m_pInterface(pInterface) { _AddRef(); } |
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_com_ptr_t(Interface *pInterface,bool fAddRef) throw() : m_pInterface(pInterface) { |
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if(fAddRef) _AddRef(); |
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} |
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_com_ptr_t(const _variant_t& varSrc) : m_pInterface(NULL) { |
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HRESULT hr = QueryStdInterfaces(varSrc); |
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if(FAILED(hr) && (hr!=E_NOINTERFACE)) { _com_issue_error(hr); } |
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} |
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explicit _com_ptr_t(const CLSID &clsid,IUnknown *pOuter = NULL,DWORD dwClsContext = CLSCTX_ALL) : m_pInterface(NULL) { |
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HRESULT hr = CreateInstance(clsid,pOuter,dwClsContext); |
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if(FAILED(hr) && (hr!=E_NOINTERFACE)) { _com_issue_error(hr); } |
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} |
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explicit _com_ptr_t(LPCWSTR str,IUnknown *pOuter = NULL,DWORD dwClsContext = CLSCTX_ALL) : m_pInterface(NULL) { |
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HRESULT hr = CreateInstance(str,pOuter,dwClsContext); |
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if(FAILED(hr) && (hr!=E_NOINTERFACE)) { _com_issue_error(hr); } |
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} |
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explicit _com_ptr_t(LPCSTR str,IUnknown *pOuter = NULL,DWORD dwClsContext = CLSCTX_ALL) : m_pInterface(NULL) { |
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HRESULT hr = CreateInstance(str,pOuter,dwClsContext); |
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if(FAILED(hr) && (hr!=E_NOINTERFACE)) { _com_issue_error(hr); } |
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} |
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template<typename _OtherIID> _com_ptr_t &operator=(const _com_ptr_t<_OtherIID> &p) { |
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HRESULT hr = _QueryInterface(p); |
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if(FAILED(hr) && (hr!=E_NOINTERFACE)) { _com_issue_error(hr); } |
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return *this; |
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} |
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template<typename _InterfaceType> _com_ptr_t &operator=(_InterfaceType *p) { |
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HRESULT hr = _QueryInterface(p); |
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if(FAILED(hr) && (hr!=E_NOINTERFACE)) { _com_issue_error(hr); } |
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return *this; |
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} |
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_com_ptr_t &operator=(Interface *pInterface) throw() { |
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if(m_pInterface!=pInterface) { |
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Interface *pOldInterface = m_pInterface; |
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m_pInterface = pInterface; |
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_AddRef(); |
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if(pOldInterface!=NULL) pOldInterface->Release(); |
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} |
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return *this; |
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} |
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_com_ptr_t &operator=(const _com_ptr_t &cp) throw() { return operator=(cp.m_pInterface); } |
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_com_ptr_t &operator=(int null) { |
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if(null!=0) { _com_issue_error(E_POINTER); } |
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return operator=(reinterpret_cast<Interface*>(NULL)); |
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} |
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_com_ptr_t &operator=(long long null) { |
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if(null!=0) { _com_issue_error(E_POINTER); } |
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return operator=(reinterpret_cast<Interface*>(NULL)); |
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} |
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_com_ptr_t &operator=(const _variant_t& varSrc) { |
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HRESULT hr = QueryStdInterfaces(varSrc); |
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if(FAILED(hr) && (hr!=E_NOINTERFACE)) { _com_issue_error(hr); } |
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return *this; |
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} |
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~_com_ptr_t() throw() { _Release(); } |
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void Attach(Interface *pInterface) throw() { |
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_Release(); |
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m_pInterface = pInterface; |
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} |
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void Attach(Interface *pInterface,bool fAddRef) throw() { |
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_Release(); |
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m_pInterface = pInterface; |
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if(fAddRef) { |
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if(!pInterface) { _com_issue_error(E_POINTER); } |
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else pInterface->AddRef(); |
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} |
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} |
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Interface *Detach() throw() { |
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Interface *const old = m_pInterface; |
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m_pInterface = NULL; |
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return old; |
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} |
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operator Interface*() const throw() { return m_pInterface; } |
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operator Interface&() const { |
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if(!m_pInterface) { _com_issue_error(E_POINTER); } |
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return *m_pInterface; |
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} |
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Interface& operator*() const { |
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if(!m_pInterface) { _com_issue_error(E_POINTER); } |
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return *m_pInterface; |
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} |
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Interface **operator&() throw() { |
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_Release(); |
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m_pInterface = NULL; |
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return &m_pInterface; |
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} |
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Interface *operator->() const { |
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if(!m_pInterface) { _com_issue_error(E_POINTER); } |
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return m_pInterface; |
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} |
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operator bool() const throw() { return m_pInterface!=NULL; } |
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template<typename _OtherIID> bool operator==(const _com_ptr_t<_OtherIID> &p) { return _CompareUnknown(p)==0; } |
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template<typename _OtherIID> bool operator==(_com_ptr_t<_OtherIID> &p) { return _CompareUnknown(p)==0; } |
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template<typename _InterfaceType> bool operator==(_InterfaceType *p) { return _CompareUnknown(p)==0; } |
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bool operator==(Interface *p) { return (m_pInterface==p) ? true : _CompareUnknown(p)==0; } |
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bool operator==(const _com_ptr_t &p) throw() { return operator==(p.m_pInterface); } |
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bool operator==(_com_ptr_t &p) throw() { return operator==(p.m_pInterface); } |
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bool operator==(int null) { |
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if(null!=0) { _com_issue_error(E_POINTER); } |
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return !m_pInterface; |
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} |
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bool operator==(long long null) { |
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if(null) { _com_issue_error(E_POINTER); } |
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return !m_pInterface; |
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} |
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template<typename _OtherIID> bool operator!=(const _com_ptr_t<_OtherIID> &p) { return !(operator==(p)); } |
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template<typename _OtherIID> bool operator!=(_com_ptr_t<_OtherIID> &p) { return !(operator==(p)); } |
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template<typename _InterfaceType> bool operator!=(_InterfaceType *p) { return !(operator==(p)); } |
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bool operator!=(int null) { return !(operator==(null)); } |
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bool operator!=(long long null) { return !(operator==(null)); } |
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template<typename _OtherIID> bool operator<(const _com_ptr_t<_OtherIID> &p) { return _CompareUnknown(p)<0; } |
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template<typename _OtherIID> bool operator<(_com_ptr_t<_OtherIID> &p) { return _CompareUnknown(p)<0; } |
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template<typename _InterfaceType> bool operator<(_InterfaceType *p) { return _CompareUnknown(p)<0; } |
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template<typename _OtherIID> bool operator>(const _com_ptr_t<_OtherIID> &p) { return _CompareUnknown(p)>0; } |
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template<typename _OtherIID> bool operator>(_com_ptr_t<_OtherIID> &p) { return _CompareUnknown(p)>0; } |
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template<typename _InterfaceType> bool operator>(_InterfaceType *p) { return _CompareUnknown(p)>0; } |
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template<typename _OtherIID> bool operator<=(const _com_ptr_t<_OtherIID> &p) { return _CompareUnknown(p)<=0; } |
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template<typename _OtherIID> bool operator<=(_com_ptr_t<_OtherIID> &p) { return _CompareUnknown(p)<=0; } |
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template<typename _InterfaceType> bool operator<=(_InterfaceType *p) { return _CompareUnknown(p)<=0; } |
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template<typename _OtherIID> bool operator>=(const _com_ptr_t<_OtherIID> &p) { return _CompareUnknown(p)>=0; } |
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template<typename _OtherIID> bool operator>=(_com_ptr_t<_OtherIID> &p) { return _CompareUnknown(p)>=0; } |
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template<typename _InterfaceType> bool operator>=(_InterfaceType *p) { return _CompareUnknown(p)>=0; } |
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void Release() { |
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if(!m_pInterface) { _com_issue_error(E_POINTER); } |
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else { |
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m_pInterface->Release(); |
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m_pInterface = NULL; |
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} |
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} |
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void AddRef() { |
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if(!m_pInterface) { _com_issue_error(E_POINTER); } |
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else m_pInterface->AddRef(); |
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} |
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Interface *GetInterfacePtr() const throw() { return m_pInterface; } |
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Interface*& GetInterfacePtr() throw() { return m_pInterface; } |
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HRESULT CreateInstance(const CLSID &rclsid,IUnknown *pOuter = NULL,DWORD dwClsContext = CLSCTX_ALL) throw() { |
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HRESULT hr; |
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_Release(); |
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if(dwClsContext & (CLSCTX_LOCAL_SERVER | CLSCTX_REMOTE_SERVER)) { |
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IUnknown *pIUnknown; |
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hr = CoCreateInstance(rclsid,pOuter,dwClsContext,__uuidof(IUnknown),reinterpret_cast<void**>(&pIUnknown)); |
| 228 |
if(SUCCEEDED(hr)) { |
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hr = OleRun(pIUnknown); |
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if(SUCCEEDED(hr)) hr = pIUnknown->QueryInterface(GetIID(),reinterpret_cast<void**>(&m_pInterface)); |
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pIUnknown->Release(); |
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} |
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} else hr = CoCreateInstance(rclsid,pOuter,dwClsContext,GetIID(),reinterpret_cast<void**>(&m_pInterface)); |
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if(FAILED(hr)) m_pInterface = NULL; |
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return hr; |
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} |
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HRESULT CreateInstance(LPCWSTR clsidString,IUnknown *pOuter = NULL,DWORD dwClsContext = CLSCTX_ALL) throw() { |
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if(!clsidString) return E_INVALIDARG; |
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CLSID clsid; |
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HRESULT hr; |
| 241 |
if(clsidString[0]==L'{') hr = CLSIDFromString(const_cast<LPWSTR> (clsidString),&clsid); |
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else hr = CLSIDFromProgID(const_cast<LPWSTR> (clsidString),&clsid); |
| 243 |
if(FAILED(hr)) return hr; |
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return CreateInstance(clsid,pOuter,dwClsContext); |
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} |
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HRESULT CreateInstance(LPCSTR clsidStringA,IUnknown *pOuter = NULL,DWORD dwClsContext = CLSCTX_ALL) throw() { |
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if(!clsidStringA) return E_INVALIDARG; |
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int size = lstrlenA(clsidStringA) + 1; |
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int destSize = MultiByteToWideChar(CP_ACP,0,clsidStringA,size,NULL,0); |
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if(destSize==0) return HRESULT_FROM_WIN32(GetLastError()); |
| 251 |
LPWSTR clsidStringW; |
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clsidStringW = static_cast<LPWSTR>(_malloca(destSize*sizeof(WCHAR))); |
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if(!clsidStringW) return E_OUTOFMEMORY; |
| 254 |
if(MultiByteToWideChar(CP_ACP,0,clsidStringA,size,clsidStringW,destSize)==0) { |
| 255 |
_freea(clsidStringW); |
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return HRESULT_FROM_WIN32(GetLastError()); |
| 257 |
} |
| 258 |
HRESULT hr=CreateInstance(clsidStringW,pOuter,dwClsContext); |
| 259 |
_freea(clsidStringW); |
| 260 |
return hr; |
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} |
| 262 |
HRESULT GetActiveObject(const CLSID &rclsid) throw() { |
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_Release(); |
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IUnknown *pIUnknown; |
| 265 |
HRESULT hr = ::GetActiveObject(rclsid,NULL,&pIUnknown); |
| 266 |
if(SUCCEEDED(hr)) { |
| 267 |
hr = pIUnknown->QueryInterface(GetIID(),reinterpret_cast<void**>(&m_pInterface)); |
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pIUnknown->Release(); |
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} |
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if(FAILED(hr)) m_pInterface = NULL; |
| 271 |
return hr; |
| 272 |
} |
| 273 |
HRESULT GetActiveObject(LPCWSTR clsidString) throw() { |
| 274 |
if(!clsidString) return E_INVALIDARG; |
| 275 |
CLSID clsid; |
| 276 |
HRESULT hr; |
| 277 |
if(clsidString[0]=='{') hr = CLSIDFromString(const_cast<LPWSTR> (clsidString),&clsid); |
| 278 |
else hr = CLSIDFromProgID(const_cast<LPWSTR> (clsidString),&clsid); |
| 279 |
if(FAILED(hr)) return hr; |
| 280 |
return GetActiveObject(clsid); |
| 281 |
} |
| 282 |
HRESULT GetActiveObject(LPCSTR clsidStringA) throw() { |
| 283 |
if(!clsidStringA) return E_INVALIDARG; |
| 284 |
int size = lstrlenA(clsidStringA) + 1; |
| 285 |
int destSize = MultiByteToWideChar(CP_ACP,0,clsidStringA,size,NULL,0); |
| 286 |
LPWSTR clsidStringW; |
| 287 |
try { |
| 288 |
clsidStringW = static_cast<LPWSTR>(_alloca(destSize*sizeof(WCHAR))); |
| 289 |
} catch (...) { |
| 290 |
clsidStringW = NULL; |
| 291 |
} |
| 292 |
if(!clsidStringW) return E_OUTOFMEMORY; |
| 293 |
if(MultiByteToWideChar(CP_ACP,0,clsidStringA,size,clsidStringW,destSize)==0) return HRESULT_FROM_WIN32(GetLastError()); |
| 294 |
return GetActiveObject(clsidStringW); |
| 295 |
} |
| 296 |
template<typename _InterfaceType> HRESULT QueryInterface(const IID& iid,_InterfaceType*& p) throw () { |
| 297 |
if(m_pInterface!=NULL) return m_pInterface->QueryInterface(iid,reinterpret_cast<void**>(&p)); |
| 298 |
return E_POINTER; |
| 299 |
} |
| 300 |
template<typename _InterfaceType> HRESULT QueryInterface(const IID& iid,_InterfaceType **p) throw() { return QueryInterface(iid,*p); } |
| 301 |
private: |
| 302 |
Interface *m_pInterface; |
| 303 |
void _Release() throw() { |
| 304 |
if(m_pInterface!=NULL) m_pInterface->Release(); |
| 305 |
} |
| 306 |
void _AddRef() throw() { |
| 307 |
if(m_pInterface!=NULL) m_pInterface->AddRef(); |
| 308 |
} |
| 309 |
template<typename _InterfacePtr> HRESULT _QueryInterface(_InterfacePtr p) throw() { |
| 310 |
HRESULT hr; |
| 311 |
if(p!=NULL) { |
| 312 |
Interface *pInterface; |
| 313 |
hr = p->QueryInterface(GetIID(),reinterpret_cast<void**>(&pInterface)); |
| 314 |
Attach(SUCCEEDED(hr)? pInterface: NULL); |
| 315 |
} else { |
| 316 |
operator=(static_cast<Interface*>(NULL)); |
| 317 |
hr = E_NOINTERFACE; |
| 318 |
} |
| 319 |
return hr; |
| 320 |
} |
| 321 |
template<typename _InterfacePtr> int _CompareUnknown(_InterfacePtr p) { |
| 322 |
IUnknown *pu1,*pu2; |
| 323 |
if(m_pInterface!=NULL) { |
| 324 |
HRESULT hr = m_pInterface->QueryInterface(__uuidof(IUnknown),reinterpret_cast<void**>(&pu1)); |
| 325 |
if(FAILED(hr)) { |
| 326 |
_com_issue_error(hr); |
| 327 |
pu1 = NULL; |
| 328 |
} else pu1->Release(); |
| 329 |
} else pu1 = NULL; |
| 330 |
if(p!=NULL) { |
| 331 |
HRESULT hr = p->QueryInterface(__uuidof(IUnknown),reinterpret_cast<void**>(&pu2)); |
| 332 |
if(FAILED(hr)) { |
| 333 |
_com_issue_error(hr); |
| 334 |
pu2 = NULL; |
| 335 |
} else pu2->Release(); |
| 336 |
} else pu2 = NULL; |
| 337 |
return pu1 - pu2; |
| 338 |
} |
| 339 |
HRESULT QueryStdInterfaces(const _variant_t& varSrc) throw() { |
| 340 |
if(V_VT(&varSrc)==VT_DISPATCH) return _QueryInterface(V_DISPATCH(&varSrc)); |
| 341 |
if(V_VT(&varSrc)==VT_UNKNOWN) return _QueryInterface(V_UNKNOWN(&varSrc)); |
| 342 |
VARIANT varDest; |
| 343 |
VariantInit(&varDest); |
| 344 |
HRESULT hr = VariantChangeType(&varDest,const_cast<VARIANT*>(static_cast<const VARIANT*>(&varSrc)),0,VT_DISPATCH); |
| 345 |
if(SUCCEEDED(hr)) hr = _QueryInterface(V_DISPATCH(&varSrc)); |
| 346 |
if(hr==E_NOINTERFACE) { |
| 347 |
VariantInit(&varDest); |
| 348 |
hr = VariantChangeType(&varDest,const_cast<VARIANT*>(static_cast<const VARIANT*>(&varSrc)),0,VT_UNKNOWN); |
| 349 |
if(SUCCEEDED(hr)) hr = _QueryInterface(V_UNKNOWN(&varSrc)); |
| 350 |
} |
| 351 |
VariantClear(&varDest); |
| 352 |
return hr; |
| 353 |
} |
| 354 |
}; |
| 355 |
|
| 356 |
template<typename _InterfaceType> bool operator==(int null,_com_ptr_t<_InterfaceType> &p) { |
| 357 |
if(null!=0) { _com_issue_error(E_POINTER); } |
| 358 |
return !p; |
| 359 |
} |
| 360 |
|
| 361 |
template<typename _Interface,typename _InterfacePtr> bool operator==(_Interface *i,_com_ptr_t<_InterfacePtr> &p) { return p==i; } |
| 362 |
|
| 363 |
template<typename _Interface> bool operator!=(int null,_com_ptr_t<_Interface> &p) { |
| 364 |
if(null!=0) { _com_issue_error(E_POINTER); } |
| 365 |
return p!=NULL; |
| 366 |
} |
| 367 |
|
| 368 |
template<typename _Interface,typename _InterfacePtr> bool operator!=(_Interface *i,_com_ptr_t<_InterfacePtr> &p) { return p!=i; } |
| 369 |
|
| 370 |
template<typename _Interface> bool operator<(int null,_com_ptr_t<_Interface> &p) { |
| 371 |
if(null!=0) { _com_issue_error(E_POINTER); } |
| 372 |
return p>NULL; |
| 373 |
} |
| 374 |
|
| 375 |
template<typename _Interface,typename _InterfacePtr> bool operator<(_Interface *i,_com_ptr_t<_InterfacePtr> &p) { return p>i; } |
| 376 |
|
| 377 |
template<typename _Interface> bool operator>(int null,_com_ptr_t<_Interface> &p) { |
| 378 |
if(null!=0) { _com_issue_error(E_POINTER); } |
| 379 |
return p<NULL; |
| 380 |
} |
| 381 |
|
| 382 |
template<typename _Interface,typename _InterfacePtr> bool operator>(_Interface *i,_com_ptr_t<_InterfacePtr> &p) { return p<i; } |
| 383 |
|
| 384 |
template<typename _Interface> bool operator<=(int null,_com_ptr_t<_Interface> &p) { |
| 385 |
if(null!=0) { _com_issue_error(E_POINTER); } |
| 386 |
return p>=NULL; |
| 387 |
} |
| 388 |
|
| 389 |
template<typename _Interface,typename _InterfacePtr> bool operator<=(_Interface *i,_com_ptr_t<_InterfacePtr> &p) { return p>=i; } |
| 390 |
|
| 391 |
template<typename _Interface> bool operator>=(int null,_com_ptr_t<_Interface> &p) { |
| 392 |
if(null!=0) { _com_issue_error(E_POINTER); } |
| 393 |
return p<=NULL; |
| 394 |
} |
| 395 |
|
| 396 |
template<typename _Interface,typename _InterfacePtr> bool operator>=(_Interface *i,_com_ptr_t<_InterfacePtr> &p) { return p<=i; } |
| 397 |
|
| 398 |
#pragma pop_macro("new") |
| 399 |
|
| 400 |
#endif /* __cplusplus */ |
| 401 |
|
| 402 |
#endif /* _INC_COMIP */ |
