378 lines
15 KiB
C++
378 lines
15 KiB
C++
/**
|
|
* This file has no copyright assigned and is placed in the Public Domain.
|
|
* This file is part of the w64 mingw-runtime package.
|
|
* No warranty is given; refer to the file DISCLAIMER within this package.
|
|
*/
|
|
#ifndef _INC_COMIP
|
|
#define _INC_COMIP
|
|
|
|
#include <_mingw.h>
|
|
|
|
#if USE___UUIDOF == 0
|
|
#error No __uuidof support for this target
|
|
#endif
|
|
|
|
#include <ole2.h>
|
|
#include <malloc.h>
|
|
|
|
#include <comutil.h>
|
|
|
|
#ifdef __cplusplus
|
|
|
|
#pragma push_macro("new")
|
|
#undef new
|
|
|
|
#include <new.h>
|
|
|
|
class _com_error;
|
|
|
|
#ifndef WINAPI
|
|
#define WINAPI __stdcall
|
|
#endif
|
|
|
|
void WINAPI _com_issue_error(HRESULT);
|
|
struct IUnknown;
|
|
|
|
template<typename _Interface,const IID *_IID >
|
|
class _com_IIID {
|
|
public:
|
|
typedef _Interface Interface;
|
|
static _Interface *GetInterfacePtr() throw() { return NULL; }
|
|
static _Interface& GetInterface() throw() { return *GetInterfacePtr(); }
|
|
static const IID& GetIID() throw() { return *_IID; }
|
|
};
|
|
|
|
template<typename _IIID> class _com_ptr_t {
|
|
public:
|
|
typedef _IIID ThisIIID;
|
|
typedef typename _IIID::Interface Interface;
|
|
static const IID& GetIID() throw() { return ThisIIID::GetIID(); }
|
|
template<typename _OtherIID> _com_ptr_t(const _com_ptr_t<_OtherIID> &p) : m_pInterface(NULL) {
|
|
HRESULT hr = _QueryInterface(p);
|
|
if(FAILED(hr) && (hr!=E_NOINTERFACE)) { _com_issue_error(hr); }
|
|
}
|
|
template<typename _InterfaceType> _com_ptr_t(_InterfaceType *p) : m_pInterface(NULL) {
|
|
HRESULT hr = _QueryInterface(p);
|
|
if(FAILED(hr) && (hr!=E_NOINTERFACE)) { _com_issue_error(hr); }
|
|
}
|
|
template<> _com_ptr_t(LPSTR str) { new(this) _com_ptr_t(static_cast<LPCSTR> (str),NULL); }
|
|
template<> _com_ptr_t(LPWSTR str) { new(this) _com_ptr_t(static_cast<LPCWSTR> (str),NULL); }
|
|
template<> explicit _com_ptr_t(_com_ptr_t *p) : m_pInterface(NULL) {
|
|
if(!p) { _com_issue_error(E_POINTER); }
|
|
else {
|
|
m_pInterface = p->m_pInterface;
|
|
AddRef();
|
|
}
|
|
}
|
|
_com_ptr_t() throw() : m_pInterface(NULL) { }
|
|
_com_ptr_t(int null) : m_pInterface(NULL) {
|
|
if(null!=0) { _com_issue_error(E_POINTER); }
|
|
}
|
|
_com_ptr_t(const _com_ptr_t &cp) throw() : m_pInterface(cp.m_pInterface) { _AddRef(); }
|
|
template<> _com_ptr_t(Interface *pInterface) throw() : m_pInterface(pInterface) { _AddRef(); }
|
|
_com_ptr_t(Interface *pInterface,bool fAddRef) throw() : m_pInterface(pInterface) {
|
|
if(fAddRef) _AddRef();
|
|
}
|
|
_com_ptr_t(const _variant_t& varSrc) : m_pInterface(NULL) {
|
|
HRESULT hr = QueryStdInterfaces(varSrc);
|
|
if(FAILED(hr) && (hr!=E_NOINTERFACE)) { _com_issue_error(hr); }
|
|
}
|
|
explicit _com_ptr_t(const CLSID &clsid,IUnknown *pOuter = NULL,DWORD dwClsContext = CLSCTX_ALL) : m_pInterface(NULL) {
|
|
HRESULT hr = CreateInstance(clsid,pOuter,dwClsContext);
|
|
if(FAILED(hr) && (hr!=E_NOINTERFACE)) { _com_issue_error(hr); }
|
|
}
|
|
explicit _com_ptr_t(LPCWSTR str,IUnknown *pOuter = NULL,DWORD dwClsContext = CLSCTX_ALL) : m_pInterface(NULL) {
|
|
HRESULT hr = CreateInstance(str,pOuter,dwClsContext);
|
|
if(FAILED(hr) && (hr!=E_NOINTERFACE)) { _com_issue_error(hr); }
|
|
}
|
|
explicit _com_ptr_t(LPCSTR str,IUnknown *pOuter = NULL,DWORD dwClsContext = CLSCTX_ALL) : m_pInterface(NULL) {
|
|
HRESULT hr = CreateInstance(str,pOuter,dwClsContext);
|
|
if(FAILED(hr) && (hr!=E_NOINTERFACE)) { _com_issue_error(hr); }
|
|
}
|
|
template<typename _OtherIID> _com_ptr_t &operator=(const _com_ptr_t<_OtherIID> &p) {
|
|
HRESULT hr = _QueryInterface(p);
|
|
if(FAILED(hr) && (hr!=E_NOINTERFACE)) { _com_issue_error(hr); }
|
|
return *this;
|
|
}
|
|
template<typename _InterfaceType> _com_ptr_t &operator=(_InterfaceType *p) {
|
|
HRESULT hr = _QueryInterface(p);
|
|
if(FAILED(hr) && (hr!=E_NOINTERFACE)) { _com_issue_error(hr); }
|
|
return *this;
|
|
}
|
|
template<> _com_ptr_t &operator=(Interface *pInterface) throw() {
|
|
if(m_pInterface!=pInterface) {
|
|
Interface *pOldInterface = m_pInterface;
|
|
m_pInterface = pInterface;
|
|
_AddRef();
|
|
if(pOldInterface!=NULL) pOldInterface->Release();
|
|
}
|
|
return *this;
|
|
}
|
|
_com_ptr_t &operator=(const _com_ptr_t &cp) throw() { return operator=(cp.m_pInterface); }
|
|
_com_ptr_t &operator=(int null) {
|
|
if(null!=0) { _com_issue_error(E_POINTER); }
|
|
return operator=(reinterpret_cast<Interface*>(NULL));
|
|
}
|
|
_com_ptr_t &operator=(const _variant_t& varSrc) {
|
|
HRESULT hr = QueryStdInterfaces(varSrc);
|
|
if(FAILED(hr) && (hr!=E_NOINTERFACE)) { _com_issue_error(hr); }
|
|
return *this;
|
|
}
|
|
~_com_ptr_t() throw() { _Release(); }
|
|
void Attach(Interface *pInterface) throw() {
|
|
_Release();
|
|
m_pInterface = pInterface;
|
|
}
|
|
void Attach(Interface *pInterface,bool fAddRef) throw() {
|
|
_Release();
|
|
m_pInterface = pInterface;
|
|
if(fAddRef) {
|
|
if(!pInterface) { _com_issue_error(E_POINTER); }
|
|
else pInterface->AddRef();
|
|
}
|
|
}
|
|
Interface *Detach() throw() {
|
|
Interface *const old = m_pInterface;
|
|
m_pInterface = NULL;
|
|
return old;
|
|
}
|
|
operator Interface*() const throw() { return m_pInterface; }
|
|
operator Interface&() const {
|
|
if(!m_pInterface) { _com_issue_error(E_POINTER); }
|
|
return *m_pInterface;
|
|
}
|
|
Interface& operator*() const {
|
|
if(!m_pInterface) { _com_issue_error(E_POINTER); }
|
|
return *m_pInterface;
|
|
}
|
|
Interface **operator&() throw() {
|
|
_Release();
|
|
m_pInterface = NULL;
|
|
return &m_pInterface;
|
|
}
|
|
Interface *operator->() const {
|
|
if(!m_pInterface) { _com_issue_error(E_POINTER); }
|
|
return m_pInterface;
|
|
}
|
|
operator bool() const throw() { return m_pInterface!=NULL; }
|
|
template<typename _OtherIID> bool operator==(const _com_ptr_t<_OtherIID> &p) { return _CompareUnknown(p)==0; }
|
|
template<typename _OtherIID> bool operator==(_com_ptr_t<_OtherIID> &p) { return _CompareUnknown(p)==0; }
|
|
template<typename _InterfaceType> bool operator==(_InterfaceType *p) { return _CompareUnknown(p)==0; }
|
|
template<> bool operator==(Interface *p) { return (m_pInterface==p) ? true : _CompareUnknown(p)==0; }
|
|
template<> bool operator==(const _com_ptr_t &p) throw() { return operator==(p.m_pInterface); }
|
|
template<> bool operator==(_com_ptr_t &p) throw() { return operator==(p.m_pInterface); }
|
|
bool operator==(int null) {
|
|
if(null!=0) { _com_issue_error(E_POINTER); }
|
|
return !m_pInterface;
|
|
}
|
|
template<typename _OtherIID> bool operator!=(const _com_ptr_t<_OtherIID> &p) { return !(operator==(p)); }
|
|
template<typename _OtherIID> bool operator!=(_com_ptr_t<_OtherIID> &p) { return !(operator==(p)); }
|
|
template<typename _InterfaceType> bool operator!=(_InterfaceType *p) { return !(operator==(p)); }
|
|
bool operator!=(int null) { return !(operator==(null)); }
|
|
template<typename _OtherIID> bool operator<(const _com_ptr_t<_OtherIID> &p) { return _CompareUnknown(p)<0; }
|
|
template<typename _OtherIID> bool operator<(_com_ptr_t<_OtherIID> &p) { return _CompareUnknown(p)<0; }
|
|
template<typename _InterfaceType> bool operator<(_InterfaceType *p) { return _CompareUnknown(p)<0; }
|
|
template<typename _OtherIID> bool operator>(const _com_ptr_t<_OtherIID> &p) { return _CompareUnknown(p)>0; }
|
|
template<typename _OtherIID> bool operator>(_com_ptr_t<_OtherIID> &p) { return _CompareUnknown(p)>0; }
|
|
template<typename _InterfaceType> bool operator>(_InterfaceType *p) { return _CompareUnknown(p)>0; }
|
|
template<typename _OtherIID> bool operator<=(const _com_ptr_t<_OtherIID> &p) { return _CompareUnknown(p)<=0; }
|
|
template<typename _OtherIID> bool operator<=(_com_ptr_t<_OtherIID> &p) { return _CompareUnknown(p)<=0; }
|
|
template<typename _InterfaceType> bool operator<=(_InterfaceType *p) { return _CompareUnknown(p)<=0; }
|
|
template<typename _OtherIID> bool operator>=(const _com_ptr_t<_OtherIID> &p) { return _CompareUnknown(p)>=0; }
|
|
template<typename _OtherIID> bool operator>=(_com_ptr_t<_OtherIID> &p) { return _CompareUnknown(p)>=0; }
|
|
template<typename _InterfaceType> bool operator>=(_InterfaceType *p) { return _CompareUnknown(p)>=0; }
|
|
void Release() {
|
|
if(!m_pInterface) { _com_issue_error(E_POINTER); }
|
|
else {
|
|
m_pInterface->Release();
|
|
m_pInterface = NULL;
|
|
}
|
|
}
|
|
void AddRef() {
|
|
if(!m_pInterface) { _com_issue_error(E_POINTER); }
|
|
else m_pInterface->AddRef();
|
|
}
|
|
Interface *GetInterfacePtr() const throw() { return m_pInterface; }
|
|
Interface*& GetInterfacePtr() throw() { return m_pInterface; }
|
|
HRESULT CreateInstance(const CLSID &rclsid,IUnknown *pOuter = NULL,DWORD dwClsContext = CLSCTX_ALL) throw() {
|
|
HRESULT hr;
|
|
_Release();
|
|
if(dwClsContext & (CLSCTX_LOCAL_SERVER | CLSCTX_REMOTE_SERVER)) {
|
|
IUnknown *pIUnknown;
|
|
hr = CoCreateInstance(rclsid,pOuter,dwClsContext,__uuidof(IUnknown),reinterpret_cast<void**>(&pIUnknown));
|
|
if(SUCCEEDED(hr)) {
|
|
hr = OleRun(pIUnknown);
|
|
if(SUCCEEDED(hr)) hr = pIUnknown->QueryInterface(GetIID(),reinterpret_cast<void**>(&m_pInterface));
|
|
pIUnknown->Release();
|
|
}
|
|
} else hr = CoCreateInstance(rclsid,pOuter,dwClsContext,GetIID(),reinterpret_cast<void**>(&m_pInterface));
|
|
if(FAILED(hr)) m_pInterface = NULL;
|
|
return hr;
|
|
}
|
|
HRESULT CreateInstance(LPCWSTR clsidString,IUnknown *pOuter = NULL,DWORD dwClsContext = CLSCTX_ALL) throw() {
|
|
if(!clsidString) return E_INVALIDARG;
|
|
CLSID clsid;
|
|
HRESULT hr;
|
|
if(clsidString[0]==L'{') hr = CLSIDFromString(const_cast<LPWSTR> (clsidString),&clsid);
|
|
else hr = CLSIDFromProgID(const_cast<LPWSTR> (clsidString),&clsid);
|
|
if(FAILED(hr)) return hr;
|
|
return CreateInstance(clsid,pOuter,dwClsContext);
|
|
}
|
|
HRESULT CreateInstance(LPCSTR clsidStringA,IUnknown *pOuter = NULL,DWORD dwClsContext = CLSCTX_ALL) throw() {
|
|
if(!clsidStringA) return E_INVALIDARG;
|
|
int size = lstrlenA(clsidStringA) + 1;
|
|
int destSize = MultiByteToWideChar(CP_ACP,0,clsidStringA,size,NULL,0);
|
|
if(destSize==0) return HRESULT_FROM_WIN32(GetLastError());
|
|
LPWSTR clsidStringW;
|
|
clsidStringW = static_cast<LPWSTR>(_malloca(destSize*sizeof(WCHAR)));
|
|
if(!clsidStringW) return E_OUTOFMEMORY;
|
|
if(MultiByteToWideChar(CP_ACP,0,clsidStringA,size,clsidStringW,destSize)==0) {
|
|
_freea(clsidStringW);
|
|
return HRESULT_FROM_WIN32(GetLastError());
|
|
}
|
|
HRESULT hr=CreateInstance(clsidStringW,pOuter,dwClsContext);
|
|
_freea(clsidStringW);
|
|
return hr;
|
|
}
|
|
HRESULT GetActiveObject(const CLSID &rclsid) throw() {
|
|
_Release();
|
|
IUnknown *pIUnknown;
|
|
HRESULT hr = ::GetActiveObject(rclsid,NULL,&pIUnknown);
|
|
if(SUCCEEDED(hr)) {
|
|
hr = pIUnknown->QueryInterface(GetIID(),reinterpret_cast<void**>(&m_pInterface));
|
|
pIUnknown->Release();
|
|
}
|
|
if(FAILED(hr)) m_pInterface = NULL;
|
|
return hr;
|
|
}
|
|
HRESULT GetActiveObject(LPCWSTR clsidString) throw() {
|
|
if(!clsidString) return E_INVALIDARG;
|
|
CLSID clsid;
|
|
HRESULT hr;
|
|
if(clsidString[0]=='{') hr = CLSIDFromString(const_cast<LPWSTR> (clsidString),&clsid);
|
|
else hr = CLSIDFromProgID(const_cast<LPWSTR> (clsidString),&clsid);
|
|
if(FAILED(hr)) return hr;
|
|
return GetActiveObject(clsid);
|
|
}
|
|
HRESULT GetActiveObject(LPCSTR clsidStringA) throw() {
|
|
if(!clsidStringA) return E_INVALIDARG;
|
|
int size = lstrlenA(clsidStringA) + 1;
|
|
int destSize = MultiByteToWideChar(CP_ACP,0,clsidStringA,size,NULL,0);
|
|
LPWSTR clsidStringW;
|
|
__try {
|
|
clsidStringW = static_cast<LPWSTR>(_alloca(destSize*sizeof(WCHAR)));
|
|
} __except (1) {
|
|
clsidStringW = NULL;
|
|
}
|
|
if(!clsidStringW) return E_OUTOFMEMORY;
|
|
if(MultiByteToWideChar(CP_ACP,0,clsidStringA,size,clsidStringW,destSize)==0) return HRESULT_FROM_WIN32(GetLastError());
|
|
return GetActiveObject(clsidStringW);
|
|
}
|
|
template<typename _InterfaceType> HRESULT QueryInterface(const IID& iid,_InterfaceType*& p) throw () {
|
|
if(m_pInterface!=NULL) return m_pInterface->QueryInterface(iid,reinterpret_cast<void**>(&p));
|
|
return E_POINTER;
|
|
}
|
|
template<typename _InterfaceType> HRESULT QueryInterface(const IID& iid,_InterfaceType **p) throw() { return QueryInterface(iid,*p); }
|
|
private:
|
|
Interface *m_pInterface;
|
|
void _Release() throw() {
|
|
if(m_pInterface!=NULL) m_pInterface->Release();
|
|
}
|
|
void _AddRef() throw() {
|
|
if(m_pInterface!=NULL) m_pInterface->AddRef();
|
|
}
|
|
template<typename _InterfacePtr> HRESULT _QueryInterface(_InterfacePtr p) throw() {
|
|
HRESULT hr;
|
|
if(p!=NULL) {
|
|
Interface *pInterface;
|
|
hr = p->QueryInterface(GetIID(),reinterpret_cast<void**>(&pInterface));
|
|
Attach(SUCCEEDED(hr)? pInterface: NULL);
|
|
} else {
|
|
operator=(static_cast<Interface*>(NULL));
|
|
hr = E_NOINTERFACE;
|
|
}
|
|
return hr;
|
|
}
|
|
template<typename _InterfacePtr> int _CompareUnknown(_InterfacePtr p) {
|
|
IUnknown *pu1,*pu2;
|
|
if(m_pInterface!=NULL) {
|
|
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 */
|