reactos/sdk/include/crt/comutil.h

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/**
* 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_COMUTIL
#define _INC_COMUTIL
#include <ole2.h>
#ifndef _COM_ASSERT
#define _COM_ASSERT(x) ((void)0)
#endif
#define _COM_MEMCPY_S(dest,destsize,src,count) memcpy(dest,src,count)
/* Use of wsprintf might be impossible, if strsafe.h is included. */
#if !defined(__STDC_SECURE_LIB__) || defined(__REACTOS__)
#define _COM_PRINTF_S_1(dest,destsize,format,arg1) wsprintf(dest,format,arg1)
#elif defined(UNICODE)
#define _COM_PRINTF_S_1(dest,destsize,format,arg1) swprintf_s(dest,destsize,format,arg1)
#else
#define _COM_PRINTF_S_1(dest,destsize,format,arg1) sprintf_s(dest,destsize,format,arg1)
#endif
#ifdef __cplusplus
#pragma push_macro("new")
#undef new
#ifndef WINAPI
#define WINAPI __stdcall
#endif
class _com_error;
void WINAPI _com_issue_error(HRESULT);
class _bstr_t;
class _variant_t;
namespace _com_util {
inline void CheckError(HRESULT hr) {
if(FAILED(hr)) { _com_issue_error(hr); }
}
}
namespace _com_util {
BSTR WINAPI ConvertStringToBSTR(const char *pSrc);
char *WINAPI ConvertBSTRToString(BSTR pSrc);
}
class _bstr_t {
public:
_bstr_t() throw();
_bstr_t(const _bstr_t &s) throw();
_bstr_t(const char *s);
_bstr_t(const wchar_t *s);
_bstr_t(const _variant_t &var);
_bstr_t(BSTR bstr,bool fCopy);
~_bstr_t() throw();
_bstr_t &operator=(const _bstr_t &s) throw();
_bstr_t &operator=(const char *s);
_bstr_t &operator=(const wchar_t *s);
_bstr_t &operator=(const _variant_t &var);
_bstr_t &operator+=(const _bstr_t &s);
_bstr_t operator+(const _bstr_t &s) const;
friend _bstr_t operator+(const char *s1,const _bstr_t &s2);
friend _bstr_t operator+(const wchar_t *s1,const _bstr_t &s2);
operator const wchar_t *() const throw();
operator wchar_t *() const throw();
operator const char *() const;
operator char *() const;
bool operator!() const throw();
bool operator==(const _bstr_t &str) const throw();
bool operator!=(const _bstr_t &str) const throw();
bool operator<(const _bstr_t &str) const throw();
bool operator>(const _bstr_t &str) const throw();
bool operator<=(const _bstr_t &str) const throw();
bool operator>=(const _bstr_t &str) const throw();
BSTR copy(bool fCopy = true) const;
unsigned int length() const throw();
void Assign(BSTR s);
BSTR &GetBSTR();
BSTR *GetAddress();
void Attach(BSTR s);
BSTR Detach();
private:
class Data_t {
public:
Data_t(const char *s);
Data_t(const wchar_t *s);
Data_t(BSTR bstr,bool fCopy);
Data_t(const _bstr_t &s1,const _bstr_t &s2);
unsigned long AddRef() throw();
unsigned long Release() throw();
unsigned long RefCount() const throw();
operator const wchar_t *() const throw();
operator const char *() const;
const wchar_t *GetWString() const throw();
wchar_t *&GetWString() throw();
const char *GetString() const;
BSTR Copy() const;
void Assign(BSTR s);
void Attach(BSTR s) throw();
unsigned int Length() const throw();
int Compare(const Data_t &str) const throw();
void *operator new(size_t sz);
private:
BSTR m_wstr;
mutable char *m_str;
unsigned long m_RefCount;
Data_t() throw();
Data_t(const Data_t &s) throw();
~Data_t() throw();
void _Free() throw();
};
private:
Data_t *m_Data;
private:
void _AddRef() throw();
void _Free() throw();
int _Compare(const _bstr_t &str) const throw();
};
inline _bstr_t::_bstr_t() throw() : m_Data(NULL) { }
inline _bstr_t::_bstr_t(const _bstr_t &s) throw() : m_Data(s.m_Data) { _AddRef(); }
inline _bstr_t::_bstr_t(const char *s) : m_Data(new Data_t(s)) {
if(!m_Data) { _com_issue_error(E_OUTOFMEMORY); }
}
inline _bstr_t::_bstr_t(const wchar_t *s) : m_Data(new Data_t(s)) {
if(!m_Data) { _com_issue_error(E_OUTOFMEMORY); }
}
inline _bstr_t::_bstr_t(BSTR bstr,bool fCopy) : m_Data(new Data_t(bstr,fCopy)) {
if(!m_Data) { _com_issue_error(E_OUTOFMEMORY); }
}
inline _bstr_t::~_bstr_t() throw() { _Free(); }
inline _bstr_t &_bstr_t::operator=(const _bstr_t &s) throw() {
if(this!=&s) {
_Free();
m_Data = s.m_Data;
_AddRef();
}
return *this;
}
inline _bstr_t &_bstr_t::operator=(const char *s) {
_COM_ASSERT(!s || static_cast<const char *>(*this)!=s);
if(!s || static_cast<const char *>(*this)!=s) {
_Free();
m_Data = new Data_t(s);
if(!m_Data) { _com_issue_error(E_OUTOFMEMORY); }
}
return *this;
}
inline _bstr_t &_bstr_t::operator=(const wchar_t *s) {
_COM_ASSERT(!s || static_cast<const wchar_t *>(*this)!=s);
if(!s || static_cast<const wchar_t *>(*this)!=s) {
_Free();
m_Data = new Data_t(s);
if(!m_Data) { _com_issue_error(E_OUTOFMEMORY); }
}
return *this;
}
inline _bstr_t &_bstr_t::operator+=(const _bstr_t &s) {
Data_t *newData = new Data_t(*this,s);
if(!newData) { _com_issue_error(E_OUTOFMEMORY); }
else {
_Free();
m_Data = newData;
}
return *this;
}
inline _bstr_t _bstr_t::operator+(const _bstr_t &s) const {
_bstr_t b = *this;
b += s;
return b;
}
inline _bstr_t operator+(const char *s1,const _bstr_t &s2) {
_bstr_t b = s1;
b += s2;
return b;
}
inline _bstr_t operator+(const wchar_t *s1,const _bstr_t &s2) {
_bstr_t b = s1;
b += s2;
return b;
}
inline _bstr_t::operator const wchar_t *() const throw() { return (m_Data!=NULL) ? m_Data->GetWString() : NULL; }
inline _bstr_t::operator wchar_t *() const throw() { return const_cast<wchar_t *>((m_Data!=NULL) ? m_Data->GetWString() : NULL); }
inline _bstr_t::operator const char *() const { return (m_Data!=NULL) ? m_Data->GetString() : NULL; }
inline _bstr_t::operator char *() const { return const_cast<char *>((m_Data!=NULL) ? m_Data->GetString() : NULL); }
inline bool _bstr_t::operator!() const throw() { return (m_Data!=NULL) ? !m_Data->GetWString() : true; }
inline bool _bstr_t::operator==(const _bstr_t &str) const throw() { return _Compare(str)==0; }
inline bool _bstr_t::operator!=(const _bstr_t &str) const throw() { return _Compare(str)!=0; }
inline bool _bstr_t::operator<(const _bstr_t &str) const throw() { return _Compare(str)<0; }
inline bool _bstr_t::operator>(const _bstr_t &str) const throw() { return _Compare(str)>0; }
inline bool _bstr_t::operator<=(const _bstr_t &str) const throw() { return _Compare(str)<=0; }
inline bool _bstr_t::operator>=(const _bstr_t &str) const throw() { return _Compare(str)>=0; }
inline BSTR _bstr_t::copy(bool fCopy) const { return (m_Data!=NULL) ? (fCopy ? m_Data->Copy() : m_Data->GetWString()) : NULL; }
inline unsigned int _bstr_t::length() const throw() { return (m_Data!=NULL) ? m_Data->Length() : 0; }
inline void _bstr_t::Assign(BSTR s) {
_COM_ASSERT(!s || !m_Data || m_Data->GetWString()!=s);
if(!s || !m_Data || m_Data->GetWString()!=s) {
_Free();
m_Data = new Data_t(s,TRUE);
if(!m_Data) { _com_issue_error(E_OUTOFMEMORY); }
}
}
inline BSTR &_bstr_t::GetBSTR() {
if(!m_Data) {
m_Data = new Data_t(0,FALSE);
if(!m_Data) { _com_issue_error(E_OUTOFMEMORY); }
}
return m_Data->GetWString();
}
inline BSTR *_bstr_t::GetAddress() {
Attach(0);
return &m_Data->GetWString();
}
inline void _bstr_t::Attach(BSTR s) {
_Free();
m_Data = new Data_t(s,FALSE);
if(!m_Data) { _com_issue_error(E_OUTOFMEMORY); }
}
inline BSTR _bstr_t::Detach() {
_COM_ASSERT(m_Data!=NULL && m_Data->RefCount()==1);
if(m_Data!=NULL && m_Data->RefCount()==1) {
BSTR b = m_Data->GetWString();
m_Data->GetWString() = NULL;
_Free();
return b;
} else {
_com_issue_error(E_POINTER);
return NULL;
}
}
inline void _bstr_t::_AddRef() throw() {
if(m_Data!=NULL) m_Data->AddRef();
}
inline void _bstr_t::_Free() throw() {
if(m_Data!=NULL) {
m_Data->Release();
m_Data = NULL;
}
}
inline int _bstr_t::_Compare(const _bstr_t &str) const throw() {
if(m_Data==str.m_Data) return 0;
if(!m_Data) return -1;
if(!str.m_Data) return 1;
return m_Data->Compare(*str.m_Data);
}
inline _bstr_t::Data_t::Data_t(const char *s) : m_str(NULL),m_RefCount(1) {
m_wstr = _com_util::ConvertStringToBSTR(s);
}
inline _bstr_t::Data_t::Data_t(const wchar_t *s) : m_str(NULL),m_RefCount(1) {
m_wstr = ::SysAllocString(s);
if(!m_wstr && s!=NULL) { _com_issue_error(E_OUTOFMEMORY); }
}
inline _bstr_t::Data_t::Data_t(BSTR bstr,bool fCopy) : m_str(NULL),m_RefCount(1) {
if(fCopy && bstr!=NULL) {
m_wstr = ::SysAllocStringByteLen(reinterpret_cast<char *>(bstr),::SysStringByteLen(bstr));
if(!m_wstr) { _com_issue_error(E_OUTOFMEMORY); }
} else m_wstr = bstr;
}
inline _bstr_t::Data_t::Data_t(const _bstr_t &s1,const _bstr_t &s2) : m_str(NULL),m_RefCount(1) {
const unsigned int l1 = s1.length();
const unsigned int l2 = s2.length();
m_wstr = ::SysAllocStringByteLen(NULL,(l1 + l2) *sizeof(wchar_t));
if(!m_wstr) {
_com_issue_error(E_OUTOFMEMORY);
return;
}
const wchar_t *wstr1 = static_cast<const wchar_t *>(s1);
if(wstr1!=NULL) {
_COM_MEMCPY_S(m_wstr,(l1 + l2 + 1) *sizeof(wchar_t),wstr1,(l1 + 1) *sizeof(wchar_t));
}
const wchar_t *wstr2 = static_cast<const wchar_t *>(s2);
if(wstr2!=NULL) {
_COM_MEMCPY_S(m_wstr + l1,(l2 + 1) *sizeof(wchar_t),wstr2,(l2 + 1) *sizeof(wchar_t));
}
}
inline unsigned long _bstr_t::Data_t::AddRef() throw() {
InterlockedIncrement(reinterpret_cast<LONG*>(&m_RefCount));
return m_RefCount;
}
inline unsigned long _bstr_t::Data_t::Release() throw() {
unsigned long cRef = InterlockedDecrement(reinterpret_cast<LONG*>(&m_RefCount));
if(cRef==0) delete this;
return cRef;
}
inline unsigned long _bstr_t::Data_t::RefCount() const throw() { return m_RefCount; }
inline _bstr_t::Data_t::operator const wchar_t *() const throw() { return m_wstr; }
inline _bstr_t::Data_t::operator const char *() const { return GetString(); }
inline const wchar_t *_bstr_t::Data_t::GetWString() const throw() { return m_wstr; }
inline wchar_t *&_bstr_t::Data_t::GetWString() throw() { return m_wstr; }
inline const char *_bstr_t::Data_t::GetString() const {
if(!m_str) m_str = _com_util::ConvertBSTRToString(m_wstr);
return m_str;
}
inline BSTR _bstr_t::Data_t::Copy() const {
if(m_wstr!=NULL) {
BSTR bstr = ::SysAllocStringByteLen(reinterpret_cast<char *>(m_wstr),::SysStringByteLen(m_wstr));
if(!bstr) { _com_issue_error(E_OUTOFMEMORY); }
return bstr;
}
return NULL;
}
inline void _bstr_t::Data_t::Assign(BSTR s) {
_Free();
if(s!=NULL) {
m_wstr = ::SysAllocStringByteLen(reinterpret_cast<char *>(s),::SysStringByteLen(s));
m_str = 0;
}
}
inline void _bstr_t::Data_t::Attach(BSTR s) throw() {
_Free();
m_wstr = s;
m_str = 0;
m_RefCount = 1;
}
inline unsigned int _bstr_t::Data_t::Length() const throw() { return m_wstr ? ::SysStringLen(m_wstr) : 0; }
inline int _bstr_t::Data_t::Compare(const _bstr_t::Data_t &str) const throw() {
if(!m_wstr) return str.m_wstr ? -1 : 0;
if(!str.m_wstr) return 1;
const unsigned int l1 = ::SysStringLen(m_wstr);
const unsigned int l2 = ::SysStringLen(str.m_wstr);
unsigned int len = l1;
if(len>l2) len = l2;
BSTR bstr1 = m_wstr;
BSTR bstr2 = str.m_wstr;
while (len-->0) {
if(*bstr1++!=*bstr2++) return bstr1[-1] - bstr2[-1];
}
return (l1<l2) ? -1 : (l1==l2) ? 0 : 1;
}
#ifdef _COM_OPERATOR_NEW_THROWS
inline void *_bstr_t::Data_t::operator new(size_t sz) {
try {
return ::operator new(sz);
} catch (...) {
return NULL;
}
}
#else
inline void *_bstr_t::Data_t::operator new(size_t sz) {
return ::operator new(sz);
}
#endif
inline _bstr_t::Data_t::~Data_t() throw() { _Free(); }
inline void _bstr_t::Data_t::_Free() throw() {
if(m_wstr!=NULL) ::SysFreeString(m_wstr);
if(m_str!=NULL) delete [] m_str;
}
class _variant_t : public ::tagVARIANT {
public:
_variant_t() throw();
_variant_t(const VARIANT &varSrc);
_variant_t(const VARIANT *pSrc);
_variant_t(const _variant_t &varSrc);
_variant_t(VARIANT &varSrc,bool fCopy);
_variant_t(short sSrc,VARTYPE vtSrc = VT_I2);
_variant_t(long lSrc,VARTYPE vtSrc = VT_I4);
_variant_t(float fltSrc) throw();
_variant_t(double dblSrc,VARTYPE vtSrc = VT_R8);
_variant_t(const CY &cySrc) throw();
_variant_t(const _bstr_t &bstrSrc);
_variant_t(const wchar_t *pSrc);
_variant_t(const char *pSrc);
_variant_t(IDispatch *pSrc,bool fAddRef = true) throw();
_variant_t(bool boolSrc) throw();
_variant_t(IUnknown *pSrc,bool fAddRef = true) throw();
_variant_t(const DECIMAL &decSrc) throw();
_variant_t(BYTE bSrc) throw();
_variant_t(char cSrc) throw();
_variant_t(unsigned short usSrc) throw();
_variant_t(unsigned long ulSrc) throw();
_variant_t(int iSrc) throw();
_variant_t(unsigned int uiSrc) throw();
__MINGW_EXTENSION _variant_t(__int64 i8Src) throw();
__MINGW_EXTENSION _variant_t(unsigned __int64 ui8Src) throw();
~_variant_t() throw();
operator short() const;
operator long() const;
operator float() const;
operator double() const;
operator CY() const;
operator _bstr_t() const;
operator IDispatch*() const;
operator bool() const;
operator IUnknown*() const;
operator DECIMAL() const;
operator BYTE() const;
operator VARIANT() const throw();
operator char() const;
operator unsigned short() const;
operator unsigned long() const;
operator int() const;
operator unsigned int() const;
__MINGW_EXTENSION operator __int64() const;
__MINGW_EXTENSION operator unsigned __int64() const;
_variant_t &operator=(const VARIANT &varSrc);
_variant_t &operator=(const VARIANT *pSrc);
_variant_t &operator=(const _variant_t &varSrc);
_variant_t &operator=(short sSrc);
_variant_t &operator=(long lSrc);
_variant_t &operator=(float fltSrc);
_variant_t &operator=(double dblSrc);
_variant_t &operator=(const CY &cySrc);
_variant_t &operator=(const _bstr_t &bstrSrc);
_variant_t &operator=(const wchar_t *pSrc);
_variant_t &operator=(const char *pSrc);
_variant_t &operator=(IDispatch *pSrc);
_variant_t &operator=(bool boolSrc);
_variant_t &operator=(IUnknown *pSrc);
_variant_t &operator=(const DECIMAL &decSrc);
_variant_t &operator=(BYTE bSrc);
_variant_t &operator=(char cSrc);
_variant_t &operator=(unsigned short usSrc);
_variant_t &operator=(unsigned long ulSrc);
_variant_t &operator=(int iSrc);
_variant_t &operator=(unsigned int uiSrc);
__MINGW_EXTENSION _variant_t &operator=(__int64 i8Src);
__MINGW_EXTENSION _variant_t &operator=(unsigned __int64 ui8Src);
bool operator==(const VARIANT &varSrc) const throw();
bool operator==(const VARIANT *pSrc) const throw();
bool operator!=(const VARIANT &varSrc) const throw();
bool operator!=(const VARIANT *pSrc) const throw();
void Clear();
void Attach(VARIANT &varSrc);
VARIANT Detach();
VARIANT &GetVARIANT() throw();
VARIANT *GetAddress();
void ChangeType(VARTYPE vartype,const _variant_t *pSrc = NULL);
void SetString(const char *pSrc);
};
inline _variant_t::_variant_t() throw() { ::VariantInit(this); }
inline _variant_t::_variant_t(const VARIANT &varSrc) {
::VariantInit(this);
_com_util::CheckError(::VariantCopy(this,const_cast<VARIANT*>(&varSrc)));
}
inline _variant_t::_variant_t(const VARIANT *pSrc) {
if(!pSrc) { _com_issue_error(E_POINTER); }
else {
::VariantInit(this);
_com_util::CheckError(::VariantCopy(this,const_cast<VARIANT*>(pSrc)));
}
}
inline _variant_t::_variant_t(const _variant_t &varSrc) {
::VariantInit(this);
_com_util::CheckError(::VariantCopy(this,const_cast<VARIANT*>(static_cast<const VARIANT*>(&varSrc))));
}
inline _variant_t::_variant_t(VARIANT &varSrc,bool fCopy) {
if(fCopy) {
::VariantInit(this);
_com_util::CheckError(::VariantCopy(this,&varSrc));
} else {
_COM_MEMCPY_S(static_cast<void*>(this),sizeof(varSrc),&varSrc,sizeof(varSrc));
V_VT(&varSrc) = VT_EMPTY;
}
}
inline _variant_t::_variant_t(short sSrc,VARTYPE vtSrc) {
if((vtSrc!=VT_I2) && (vtSrc!=VT_BOOL)) {
_com_issue_error(E_INVALIDARG);
return;
}
if(vtSrc==VT_BOOL) {
V_VT(this) = VT_BOOL;
V_BOOL(this) = (sSrc ? VARIANT_TRUE : VARIANT_FALSE);
} else {
V_VT(this) = VT_I2;
V_I2(this) = sSrc;
}
}
inline _variant_t::_variant_t(long lSrc,VARTYPE vtSrc) {
if((vtSrc!=VT_I4) && (vtSrc!=VT_ERROR) && (vtSrc!=VT_BOOL)) {
_com_issue_error(E_INVALIDARG);
return;
}
if(vtSrc==VT_ERROR) {
V_VT(this) = VT_ERROR;
V_ERROR(this) = lSrc;
} else if(vtSrc==VT_BOOL) {
V_VT(this) = VT_BOOL;
V_BOOL(this) = (lSrc ? VARIANT_TRUE : VARIANT_FALSE);
} else {
V_VT(this) = VT_I4;
V_I4(this) = lSrc;
}
}
inline _variant_t::_variant_t(float fltSrc) throw() {
V_VT(this) = VT_R4;
V_R4(this) = fltSrc;
}
inline _variant_t::_variant_t(double dblSrc,VARTYPE vtSrc) {
if((vtSrc!=VT_R8) && (vtSrc!=VT_DATE)) {
_com_issue_error(E_INVALIDARG);
return;
}
if(vtSrc==VT_DATE) {
V_VT(this) = VT_DATE;
V_DATE(this) = dblSrc;
} else {
V_VT(this) = VT_R8;
V_R8(this) = dblSrc;
}
}
inline _variant_t::_variant_t(const CY &cySrc) throw() {
V_VT(this) = VT_CY;
V_CY(this) = cySrc;
}
inline _variant_t::_variant_t(const _bstr_t &bstrSrc) {
V_VT(this) = VT_BSTR;
BSTR bstr = static_cast<wchar_t *>(bstrSrc);
if(!bstr) V_BSTR(this) = NULL;
else {
V_BSTR(this) = ::SysAllocStringByteLen(reinterpret_cast<char *>(bstr),::SysStringByteLen(bstr));
if(!(V_BSTR(this))) { _com_issue_error(E_OUTOFMEMORY); }
}
}
inline _variant_t::_variant_t(const wchar_t *pSrc) {
V_VT(this) = VT_BSTR;
V_BSTR(this) = ::SysAllocString(pSrc);
if(!(V_BSTR(this)) && pSrc!=NULL) { _com_issue_error(E_OUTOFMEMORY); }
}
inline _variant_t::_variant_t(const char *pSrc) {
V_VT(this) = VT_BSTR;
V_BSTR(this) = _com_util::ConvertStringToBSTR(pSrc);
}
inline _variant_t::_variant_t(IDispatch *pSrc,bool fAddRef) throw() {
V_VT(this) = VT_DISPATCH;
V_DISPATCH(this) = pSrc;
if(fAddRef && V_DISPATCH(this)!=NULL) V_DISPATCH(this)->AddRef();
}
inline _variant_t::_variant_t(bool boolSrc) throw() {
V_VT(this) = VT_BOOL;
V_BOOL(this) = (boolSrc ? VARIANT_TRUE : VARIANT_FALSE);
}
inline _variant_t::_variant_t(IUnknown *pSrc,bool fAddRef) throw() {
V_VT(this) = VT_UNKNOWN;
V_UNKNOWN(this) = pSrc;
if(fAddRef && V_UNKNOWN(this)!=NULL) V_UNKNOWN(this)->AddRef();
}
inline _variant_t::_variant_t(const DECIMAL &decSrc) throw() {
V_DECIMAL(this) = decSrc;
V_VT(this) = VT_DECIMAL;
}
inline _variant_t::_variant_t(BYTE bSrc) throw() {
V_VT(this) = VT_UI1;
V_UI1(this) = bSrc;
}
inline _variant_t::_variant_t(char cSrc) throw() {
V_VT(this) = VT_I1;
V_I1(this) = cSrc;
}
inline _variant_t::_variant_t(unsigned short usSrc) throw() {
V_VT(this) = VT_UI2;
V_UI2(this) = usSrc;
}
inline _variant_t::_variant_t(unsigned long ulSrc) throw() {
V_VT(this) = VT_UI4;
V_UI4(this) = ulSrc;
}
inline _variant_t::_variant_t(int iSrc) throw() {
V_VT(this) = VT_INT;
V_INT(this) = iSrc;
}
inline _variant_t::_variant_t(unsigned int uiSrc) throw() {
V_VT(this) = VT_UINT;
V_UINT(this) = uiSrc;
}
__MINGW_EXTENSION inline _variant_t::_variant_t(__int64 i8Src) throw() {
V_VT(this) = VT_I8;
V_I8(this) = i8Src;
}
__MINGW_EXTENSION inline _variant_t::_variant_t(unsigned __int64 ui8Src) throw() {
V_VT(this) = VT_UI8;
V_UI8(this) = ui8Src;
}
inline _variant_t::operator short() const {
if(V_VT(this)==VT_I2) return V_I2(this);
_variant_t varDest;
varDest.ChangeType(VT_I2,this);
return V_I2(&varDest);
}
inline _variant_t::operator long() const {
if(V_VT(this)==VT_I4) return V_I4(this);
_variant_t varDest;
varDest.ChangeType(VT_I4,this);
return V_I4(&varDest);
}
inline _variant_t::operator float() const {
if(V_VT(this)==VT_R4) return V_R4(this);
_variant_t varDest;
varDest.ChangeType(VT_R4,this);
return V_R4(&varDest);
}
inline _variant_t::operator double() const {
if(V_VT(this)==VT_R8) return V_R8(this);
_variant_t varDest;
varDest.ChangeType(VT_R8,this);
return V_R8(&varDest);
}
inline _variant_t::operator CY() const {
if(V_VT(this)==VT_CY) return V_CY(this);
_variant_t varDest;
varDest.ChangeType(VT_CY,this);
return V_CY(&varDest);
}
inline _variant_t::operator _bstr_t() const {
if(V_VT(this)==VT_BSTR) return V_BSTR(this);
_variant_t varDest;
varDest.ChangeType(VT_BSTR,this);
return V_BSTR(&varDest);
}
inline _variant_t::operator IDispatch*() const {
if(V_VT(this)==VT_DISPATCH) {
if(V_DISPATCH(this)!=NULL) V_DISPATCH(this)->AddRef();
return V_DISPATCH(this);
}
_variant_t varDest;
varDest.ChangeType(VT_DISPATCH,this);
if(V_DISPATCH(&varDest)!=NULL) V_DISPATCH(&varDest)->AddRef();
return V_DISPATCH(&varDest);
}
inline _variant_t::operator bool() const {
if(V_VT(this)==VT_BOOL) return V_BOOL(this) ? true : false;
_variant_t varDest;
varDest.ChangeType(VT_BOOL,this);
return (V_BOOL(&varDest)==VARIANT_TRUE) ? true : false;
}
inline _variant_t::operator IUnknown*() const {
if(V_VT(this)==VT_UNKNOWN) {
if(V_UNKNOWN(this)!=NULL) V_UNKNOWN(this)->AddRef();
return V_UNKNOWN(this);
}
_variant_t varDest;
varDest.ChangeType(VT_UNKNOWN,this);
if(V_UNKNOWN(&varDest)!=NULL) V_UNKNOWN(&varDest)->AddRef();
return V_UNKNOWN(&varDest);
}
inline _variant_t::operator DECIMAL() const {
if(V_VT(this)==VT_DECIMAL) return V_DECIMAL(this);
_variant_t varDest;
varDest.ChangeType(VT_DECIMAL,this);
return V_DECIMAL(&varDest);
}
inline _variant_t::operator BYTE() const {
if(V_VT(this)==VT_UI1) return V_UI1(this);
_variant_t varDest;
varDest.ChangeType(VT_UI1,this);
return V_UI1(&varDest);
}
inline _variant_t::operator VARIANT() const throw() { return *(VARIANT*) this; }
inline _variant_t::operator char() const {
if(V_VT(this)==VT_I1) return V_I1(this);
_variant_t varDest;
varDest.ChangeType(VT_I1,this);
return V_I1(&varDest);
}
inline _variant_t::operator unsigned short() const {
if(V_VT(this)==VT_UI2) return V_UI2(this);
_variant_t varDest;
varDest.ChangeType(VT_UI2,this);
return V_UI2(&varDest);
}
inline _variant_t::operator unsigned long() const {
if(V_VT(this)==VT_UI4) return V_UI4(this);
_variant_t varDest;
varDest.ChangeType(VT_UI4,this);
return V_UI4(&varDest);
}
inline _variant_t::operator int() const {
if(V_VT(this)==VT_INT) return V_INT(this);
_variant_t varDest;
varDest.ChangeType(VT_INT,this);
return V_INT(&varDest);
}
inline _variant_t::operator unsigned int() const {
if(V_VT(this)==VT_UINT) return V_UINT(this);
_variant_t varDest;
varDest.ChangeType(VT_UINT,this);
return V_UINT(&varDest);
}
__MINGW_EXTENSION inline _variant_t::operator __int64() const {
if(V_VT(this)==VT_I8) return V_I8(this);
_variant_t varDest;
varDest.ChangeType(VT_I8,this);
return V_I8(&varDest);
}
__MINGW_EXTENSION inline _variant_t::operator unsigned __int64() const {
if(V_VT(this)==VT_UI8) return V_UI8(this);
_variant_t varDest;
varDest.ChangeType(VT_UI8,this);
return V_UI8(&varDest);
}
inline _variant_t &_variant_t::operator=(const VARIANT &varSrc) {
_com_util::CheckError(::VariantCopy(this,const_cast<VARIANT*>(&varSrc)));
return *this;
}
inline _variant_t &_variant_t::operator=(const VARIANT *pSrc) {
if(!pSrc) { _com_issue_error(E_POINTER); }
else { _com_util::CheckError(::VariantCopy(this,const_cast<VARIANT*>(pSrc))); }
return *this;
}
inline _variant_t &_variant_t::operator=(const _variant_t &varSrc) {
_com_util::CheckError(::VariantCopy(this,const_cast<VARIANT*>(static_cast<const VARIANT*>(&varSrc))));
return *this;
}
inline _variant_t &_variant_t::operator=(short sSrc) {
if(V_VT(this)==VT_I2) V_I2(this) = sSrc;
else if(V_VT(this)==VT_BOOL) V_BOOL(this) = (sSrc ? VARIANT_TRUE : VARIANT_FALSE);
else {
Clear();
V_VT(this) = VT_I2;
V_I2(this) = sSrc;
}
return *this;
}
inline _variant_t &_variant_t::operator=(long lSrc) {
if(V_VT(this)==VT_I4) V_I4(this) = lSrc;
else if(V_VT(this)==VT_ERROR) V_ERROR(this) = lSrc;
else if(V_VT(this)==VT_BOOL) V_BOOL(this) = (lSrc ? VARIANT_TRUE : VARIANT_FALSE);
else {
Clear();
V_VT(this) = VT_I4;
V_I4(this) = lSrc;
}
return *this;
}
inline _variant_t &_variant_t::operator=(float fltSrc) {
if(V_VT(this)!=VT_R4) {
Clear();
V_VT(this) = VT_R4;
}
V_R4(this) = fltSrc;
return *this;
}
inline _variant_t &_variant_t::operator=(double dblSrc)
{
if(V_VT(this)==VT_R8) {
V_R8(this) = dblSrc;
}
else if(V_VT(this)==VT_DATE) {
V_DATE(this) = dblSrc;
}
else {
Clear();
V_VT(this) = VT_R8;
V_R8(this) = dblSrc;
}
return *this;
}
inline _variant_t &_variant_t::operator=(const CY &cySrc)
{
if(V_VT(this)!=VT_CY) {
Clear();
V_VT(this) = VT_CY;
}
V_CY(this) = cySrc;
return *this;
}
inline _variant_t &_variant_t::operator=(const _bstr_t &bstrSrc)
{
_COM_ASSERT(V_VT(this)!=VT_BSTR || !((BSTR) bstrSrc) || V_BSTR(this)!=(BSTR) bstrSrc);
Clear();
V_VT(this) = VT_BSTR;
if(!bstrSrc) {
V_BSTR(this) = NULL;
}
else {
BSTR bstr = static_cast<wchar_t *>(bstrSrc);
V_BSTR(this) = ::SysAllocStringByteLen(reinterpret_cast<char *>(bstr),::SysStringByteLen(bstr));
if(!(V_BSTR(this))) {
_com_issue_error(E_OUTOFMEMORY);
}
}
return *this;
}
inline _variant_t &_variant_t::operator=(const wchar_t *pSrc)
{
_COM_ASSERT(V_VT(this)!=VT_BSTR || !pSrc || V_BSTR(this)!=pSrc);
Clear();
V_VT(this) = VT_BSTR;
if(!pSrc) {
V_BSTR(this) = NULL;
}
else {
V_BSTR(this) = ::SysAllocString(pSrc);
if(!(V_BSTR(this))) {
_com_issue_error(E_OUTOFMEMORY);
}
}
return *this;
}
inline _variant_t &_variant_t::operator=(const char *pSrc)
{
_COM_ASSERT(V_VT(this)!=(VT_I1 | VT_BYREF) || !pSrc || V_I1REF(this)!=pSrc);
Clear();
V_VT(this) = VT_BSTR;
V_BSTR(this) = _com_util::ConvertStringToBSTR(pSrc);
return *this;
}
inline _variant_t &_variant_t::operator=(IDispatch *pSrc)
{
_COM_ASSERT(V_VT(this)!=VT_DISPATCH || pSrc==0 || V_DISPATCH(this)!=pSrc);
Clear();
V_VT(this) = VT_DISPATCH;
V_DISPATCH(this) = pSrc;
if(V_DISPATCH(this)!=NULL) {
V_DISPATCH(this)->AddRef();
}
return *this;
}
inline _variant_t &_variant_t::operator=(bool boolSrc)
{
if(V_VT(this)!=VT_BOOL) {
Clear();
V_VT(this) = VT_BOOL;
}
V_BOOL(this) = (boolSrc ? VARIANT_TRUE : VARIANT_FALSE);
return *this;
}
inline _variant_t &_variant_t::operator=(IUnknown *pSrc)
{
_COM_ASSERT(V_VT(this)!=VT_UNKNOWN || !pSrc || V_UNKNOWN(this)!=pSrc);
Clear();
V_VT(this) = VT_UNKNOWN;
V_UNKNOWN(this) = pSrc;
if(V_UNKNOWN(this)!=NULL) {
V_UNKNOWN(this)->AddRef();
}
return *this;
}
inline _variant_t &_variant_t::operator=(const DECIMAL &decSrc)
{
if(V_VT(this)!=VT_DECIMAL) {
Clear();
}
V_DECIMAL(this) = decSrc;
V_VT(this) = VT_DECIMAL;
return *this;
}
inline _variant_t &_variant_t::operator=(BYTE bSrc)
{
if(V_VT(this)!=VT_UI1) {
Clear();
V_VT(this) = VT_UI1;
}
V_UI1(this) = bSrc;
return *this;
}
inline _variant_t &_variant_t::operator=(char cSrc)
{
if(V_VT(this)!=VT_I1) {
Clear();
V_VT(this) = VT_I1;
}
V_I1(this) = cSrc;
return *this;
}
inline _variant_t &_variant_t::operator=(unsigned short usSrc)
{
if(V_VT(this)!=VT_UI2) {
Clear();
V_VT(this) = VT_UI2;
}
V_UI2(this) = usSrc;
return *this;
}
inline _variant_t &_variant_t::operator=(unsigned long ulSrc)
{
if(V_VT(this)!=VT_UI4) {
Clear();
V_VT(this) = VT_UI4;
}
V_UI4(this) = ulSrc;
return *this;
}
inline _variant_t &_variant_t::operator=(int iSrc)
{
if(V_VT(this)!=VT_INT) {
Clear();
V_VT(this) = VT_INT;
}
V_INT(this) = iSrc;
return *this;
}
inline _variant_t &_variant_t::operator=(unsigned int uiSrc)
{
if(V_VT(this)!=VT_UINT) {
Clear();
V_VT(this) = VT_UINT;
}
V_UINT(this) = uiSrc;
return *this;
}
__MINGW_EXTENSION inline _variant_t &_variant_t::operator=(__int64 i8Src) {
if(V_VT(this)!=VT_I8) {
Clear();
V_VT(this) = VT_I8;
}
V_I8(this) = i8Src;
return *this;
}
__MINGW_EXTENSION inline _variant_t &_variant_t::operator=(unsigned __int64 ui8Src) {
if(V_VT(this)!=VT_UI8) {
Clear();
V_VT(this) = VT_UI8;
}
V_UI8(this) = ui8Src;
return *this;
}
inline bool _variant_t::operator==(const VARIANT &varSrc) const throw() {
return *this==&varSrc;
}
inline bool _variant_t::operator==(const VARIANT *pSrc) const throw()
{
if(!pSrc) {
return false;
}
if(this==pSrc) {
return true;
}
if(V_VT(this)!=V_VT(pSrc)) {
return false;
}
switch (V_VT(this)) {
case VT_EMPTY:
case VT_NULL:
return true;
case VT_I2:
return V_I2(this)==V_I2(pSrc);
case VT_I4:
return V_I4(this)==V_I4(pSrc);
case VT_R4:
return V_R4(this)==V_R4(pSrc);
case VT_R8:
return V_R8(this)==V_R8(pSrc);
case VT_CY:
return memcmp(&(V_CY(this)),&(V_CY(pSrc)),sizeof(CY))==0;
case VT_DATE:
return V_DATE(this)==V_DATE(pSrc);
case VT_BSTR:
return (::SysStringByteLen(V_BSTR(this))==::SysStringByteLen(V_BSTR(pSrc))) &&
(memcmp(V_BSTR(this),V_BSTR(pSrc),::SysStringByteLen(V_BSTR(this)))==0);
case VT_DISPATCH:
return V_DISPATCH(this)==V_DISPATCH(pSrc);
case VT_ERROR:
return V_ERROR(this)==V_ERROR(pSrc);
case VT_BOOL:
return V_BOOL(this)==V_BOOL(pSrc);
case VT_UNKNOWN:
return V_UNKNOWN(this)==V_UNKNOWN(pSrc);
case VT_DECIMAL:
return memcmp(&(V_DECIMAL(this)),&(V_DECIMAL(pSrc)),sizeof(DECIMAL))==0;
case VT_UI1:
return V_UI1(this)==V_UI1(pSrc);
case VT_I1:
return V_I1(this)==V_I1(pSrc);
case VT_UI2:
return V_UI2(this)==V_UI2(pSrc);
case VT_UI4:
return V_UI4(this)==V_UI4(pSrc);
case VT_INT:
return V_INT(this)==V_INT(pSrc);
case VT_UINT:
return V_UINT(this)==V_UINT(pSrc);
case VT_I8:
return V_I8(this)==V_I8(pSrc);
case VT_UI8:
return V_UI8(this)==V_UI8(pSrc);
default:
_com_issue_error(E_INVALIDARG);
}
return false;
}
inline bool _variant_t::operator!=(const VARIANT &varSrc) const throw()
{
return !(*this==&varSrc);
}
inline bool _variant_t::operator!=(const VARIANT *pSrc) const throw()
{
return !(*this==pSrc);
}
inline void _variant_t::Clear()
{
_com_util::CheckError(::VariantClear(this));
}
inline void _variant_t::Attach(VARIANT &varSrc)
{
Clear();
_COM_MEMCPY_S(static_cast<void*>(this),sizeof(varSrc),&varSrc,sizeof(varSrc));
V_VT(&varSrc) = VT_EMPTY;
}
inline VARIANT _variant_t::Detach()
{
VARIANT varResult = *this;
V_VT(this) = VT_EMPTY;
return varResult;
}
inline VARIANT &_variant_t::GetVARIANT() throw()
{
return *(VARIANT*) this;
}
inline VARIANT *_variant_t::GetAddress() {
Clear();
return (VARIANT*) this;
}
inline void _variant_t::ChangeType(VARTYPE vartype,const _variant_t *pSrc) {
if(!pSrc) pSrc = this;
if((this!=pSrc) || (vartype!=V_VT(this))) {
_com_util::CheckError(::VariantChangeType(static_cast<VARIANT*>(this),const_cast<VARIANT*>(static_cast<const VARIANT*>(pSrc)),0,vartype));
}
}
inline void _variant_t::SetString(const char *pSrc) { operator=(pSrc); }
inline _variant_t::~_variant_t() throw() { ::VariantClear(this); }
inline _bstr_t::_bstr_t(const _variant_t &var) : m_Data(NULL) {
if(V_VT(&var)==VT_BSTR) {
*this = V_BSTR(&var);
return;
}
_variant_t varDest;
varDest.ChangeType(VT_BSTR,&var);
*this = V_BSTR(&varDest);
}
inline _bstr_t &_bstr_t::operator=(const _variant_t &var) {
if(V_VT(&var)==VT_BSTR) {
*this = V_BSTR(&var);
return *this;
}
_variant_t varDest;
varDest.ChangeType(VT_BSTR,&var);
*this = V_BSTR(&varDest);
return *this;
}
extern _variant_t vtMissing;
#ifndef _USE_RAW
#define bstr_t _bstr_t
#define variant_t _variant_t
#endif
#pragma pop_macro("new")
#endif /* __cplusplus */
#endif