reactos/sdk/include/crt/comip.h

379 lines
15 KiB
C++

/**
* This file has no copyright assigned and is placed in the Public Domain.
* This file is part of the mingw-w64 runtime package.
* No warranty is given; refer to the file DISCLAIMER.PD within this package.
*/
#ifndef _INC_COMIP
#define _INC_COMIP
#include <_mingw.h>
#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<typename _X> _com_ptr_t(LPSTR str) { new(this) _com_ptr_t(static_cast<LPCSTR> (str),NULL); }
template<typename _X> _com_ptr_t(LPWSTR str) { new(this) _com_ptr_t(static_cast<LPCWSTR> (str),NULL); }
template<typename _X> 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); }
}
#ifdef _NATIVE_NULLPTR_SUPPORTED
_com_ptr_t(decltype(nullptr)) : m_pInterface(NULL) {}
#endif
_com_ptr_t(const _com_ptr_t &cp) throw() : m_pInterface(cp.m_pInterface) { _AddRef(); }
template<typename _X> _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<typename _X> _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<typename _X> bool operator==(Interface *p) { return (m_pInterface==p) ? true : _CompareUnknown(p)==0; }
template<typename _X> bool operator==(const _com_ptr_t &p) throw() { return operator==(p.m_pInterface); }
template<typename _X> 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,IID_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)));
} catch (...) {
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(IID_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(IID_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 */