378 lines
15 KiB
C
378 lines
15 KiB
C
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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 w64 mingw-runtime package.
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* No warranty is given; refer to the file DISCLAIMER 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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#include <_mingw.h>
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#if USE___UUIDOF == 0
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#error No __uuidof support for this target
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#endif
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#include <ole2.h>
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#include <malloc.h>
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#include <comutil.h>
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#ifdef __cplusplus
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#pragma push_macro("new")
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#undef new
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#include <new.h>
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class _com_error;
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#ifndef WINAPI
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#define WINAPI __stdcall
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#endif
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void WINAPI _com_issue_error(HRESULT);
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struct IUnknown;
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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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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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template<> _com_ptr_t(LPSTR str) { new(this) _com_ptr_t(static_cast<LPCSTR> (str),NULL); }
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template<> _com_ptr_t(LPWSTR str) { new(this) _com_ptr_t(static_cast<LPCWSTR> (str),NULL); }
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template<> 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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_com_ptr_t(const _com_ptr_t &cp) throw() : m_pInterface(cp.m_pInterface) { _AddRef(); }
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template<> _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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template<> _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=(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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template<> bool operator==(Interface *p) { return (m_pInterface==p) ? true : _CompareUnknown(p)==0; }
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template<> bool operator==(const _com_ptr_t &p) throw() { return operator==(p.m_pInterface); }
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template<> 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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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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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));
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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;
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if(clsidString[0]==L'{') hr = CLSIDFromString(const_cast<LPWSTR> (clsidString),&clsid);
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else hr = CLSIDFromProgID(const_cast<LPWSTR> (clsidString),&clsid);
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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());
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LPWSTR clsidStringW;
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clsidStringW = static_cast<LPWSTR>(_malloca(destSize*sizeof(WCHAR)));
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if(!clsidStringW) return E_OUTOFMEMORY;
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if(MultiByteToWideChar(CP_ACP,0,clsidStringA,size,clsidStringW,destSize)==0) {
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_freea(clsidStringW);
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return HRESULT_FROM_WIN32(GetLastError());
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}
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HRESULT hr=CreateInstance(clsidStringW,pOuter,dwClsContext);
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_freea(clsidStringW);
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return hr;
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}
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HRESULT GetActiveObject(const CLSID &rclsid) throw() {
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_Release();
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IUnknown *pIUnknown;
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HRESULT hr = ::GetActiveObject(rclsid,NULL,&pIUnknown);
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if(SUCCEEDED(hr)) {
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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;
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return hr;
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}
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HRESULT GetActiveObject(LPCWSTR clsidString) throw() {
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if(!clsidString) return E_INVALIDARG;
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CLSID clsid;
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HRESULT hr;
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if(clsidString[0]=='{') hr = CLSIDFromString(const_cast<LPWSTR> (clsidString),&clsid);
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else hr = CLSIDFromProgID(const_cast<LPWSTR> (clsidString),&clsid);
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if(FAILED(hr)) return hr;
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return GetActiveObject(clsid);
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}
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HRESULT GetActiveObject(LPCSTR clsidStringA) 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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LPWSTR clsidStringW;
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__try {
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clsidStringW = static_cast<LPWSTR>(_alloca(destSize*sizeof(WCHAR)));
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} __except (1) {
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clsidStringW = NULL;
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}
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if(!clsidStringW) return E_OUTOFMEMORY;
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if(MultiByteToWideChar(CP_ACP,0,clsidStringA,size,clsidStringW,destSize)==0) return HRESULT_FROM_WIN32(GetLastError());
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return GetActiveObject(clsidStringW);
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}
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template<typename _InterfaceType> HRESULT QueryInterface(const IID& iid,_InterfaceType*& p) throw () {
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if(m_pInterface!=NULL) return m_pInterface->QueryInterface(iid,reinterpret_cast<void**>(&p));
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return E_POINTER;
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}
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template<typename _InterfaceType> HRESULT QueryInterface(const IID& iid,_InterfaceType **p) throw() { return QueryInterface(iid,*p); }
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private:
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Interface *m_pInterface;
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void _Release() throw() {
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if(m_pInterface!=NULL) m_pInterface->Release();
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}
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void _AddRef() throw() {
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if(m_pInterface!=NULL) m_pInterface->AddRef();
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}
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template<typename _InterfacePtr> HRESULT _QueryInterface(_InterfacePtr p) throw() {
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HRESULT hr;
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if(p!=NULL) {
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Interface *pInterface;
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hr = p->QueryInterface(GetIID(),reinterpret_cast<void**>(&pInterface));
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Attach(SUCCEEDED(hr)? pInterface: NULL);
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} else {
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operator=(static_cast<Interface*>(NULL));
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hr = E_NOINTERFACE;
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}
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return hr;
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}
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template<typename _InterfacePtr> int _CompareUnknown(_InterfacePtr p) {
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IUnknown *pu1,*pu2;
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if(m_pInterface!=NULL) {
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HRESULT hr = m_pInterface->QueryInterface(__uuidof(IUnknown),reinterpret_cast<void**>(&pu1));
|
||
|
|
if(FAILED(hr)) {
|
||
|
|
_com_issue_error(hr);
|
||
|
|
pu1 = NULL;
|
||
|
|
} else pu1->Release();
|
||
|
|
} else pu1 = NULL;
|
||
|
|
if(p!=NULL) {
|
||
|
|
HRESULT hr = p->QueryInterface(__uuidof(IUnknown),reinterpret_cast<void**>(&pu2));
|
||
|
|
if(FAILED(hr)) {
|
||
|
|
_com_issue_error(hr);
|
||
|
|
pu2 = NULL;
|
||
|
|
} else pu2->Release();
|
||
|
|
} else pu2 = NULL;
|
||
|
|
return pu1 - pu2;
|
||
|
|
}
|
||
|
|
HRESULT QueryStdInterfaces(const _variant_t& varSrc) throw() {
|
||
|
|
if(V_VT(&varSrc)==VT_DISPATCH) return _QueryInterface(V_DISPATCH(&varSrc));
|
||
|
|
if(V_VT(&varSrc)==VT_UNKNOWN) return _QueryInterface(V_UNKNOWN(&varSrc));
|
||
|
|
VARIANT varDest;
|
||
|
|
VariantInit(&varDest);
|
||
|
|
HRESULT hr = VariantChangeType(&varDest,const_cast<VARIANT*>(static_cast<const VARIANT*>(&varSrc)),0,VT_DISPATCH);
|
||
|
|
if(SUCCEEDED(hr)) hr = _QueryInterface(V_DISPATCH(&varSrc));
|
||
|
|
if(hr==E_NOINTERFACE) {
|
||
|
|
VariantInit(&varDest);
|
||
|
|
hr = VariantChangeType(&varDest,const_cast<VARIANT*>(static_cast<const VARIANT*>(&varSrc)),0,VT_UNKNOWN);
|
||
|
|
if(SUCCEEDED(hr)) hr = _QueryInterface(V_UNKNOWN(&varSrc));
|
||
|
|
}
|
||
|
|
VariantClear(&varDest);
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
template<typename _InterfaceType> bool operator==(int null,_com_ptr_t<_InterfaceType> &p) {
|
||
|
|
if(null!=0) { _com_issue_error(E_POINTER); }
|
||
|
|
return !p;
|
||
|
|
}
|
||
|
|
|
||
|
|
template<typename _Interface,typename _InterfacePtr> bool operator==(_Interface *i,_com_ptr_t<_InterfacePtr> &p) { return p==i; }
|
||
|
|
|
||
|
|
template<typename _Interface> bool operator!=(int null,_com_ptr_t<_Interface> &p) {
|
||
|
|
if(null!=0) { _com_issue_error(E_POINTER); }
|
||
|
|
return p!=NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
template<typename _Interface,typename _InterfacePtr> bool operator!=(_Interface *i,_com_ptr_t<_InterfacePtr> &p) { return p!=i; }
|
||
|
|
|
||
|
|
template<typename _Interface> bool operator<(int null,_com_ptr_t<_Interface> &p) {
|
||
|
|
if(null!=0) { _com_issue_error(E_POINTER); }
|
||
|
|
return p>NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
template<typename _Interface,typename _InterfacePtr> bool operator<(_Interface *i,_com_ptr_t<_InterfacePtr> &p) { return p>i; }
|
||
|
|
|
||
|
|
template<typename _Interface> bool operator>(int null,_com_ptr_t<_Interface> &p) {
|
||
|
|
if(null!=0) { _com_issue_error(E_POINTER); }
|
||
|
|
return p<NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
template<typename _Interface,typename _InterfacePtr> bool operator>(_Interface *i,_com_ptr_t<_InterfacePtr> &p) { return p<i; }
|
||
|
|
|
||
|
|
template<typename _Interface> bool operator<=(int null,_com_ptr_t<_Interface> &p) {
|
||
|
|
if(null!=0) { _com_issue_error(E_POINTER); }
|
||
|
|
return p>=NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
template<typename _Interface,typename _InterfacePtr> bool operator<=(_Interface *i,_com_ptr_t<_InterfacePtr> &p) { return p>=i; }
|
||
|
|
|
||
|
|
template<typename _Interface> bool operator>=(int null,_com_ptr_t<_Interface> &p) {
|
||
|
|
if(null!=0) { _com_issue_error(E_POINTER); }
|
||
|
|
return p<=NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
template<typename _Interface,typename _InterfacePtr> bool operator>=(_Interface *i,_com_ptr_t<_InterfacePtr> &p) { return p<=i; }
|
||
|
|
|
||
|
|
#pragma pop_macro("new")
|
||
|
|
|
||
|
|
#endif /* __cplusplus */
|
||
|
|
|
||
|
|
#endif /* _INC_COMIP */
|