Source code of Windows XP (NT5)
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// This is a part of the Active Template Library.
// Copyright (C) 1996-2001 Microsoft Corporation
// All rights reserved.
//
// This source code is only intended as a supplement to the
// Active Template Library Reference and related
// electronic documentation provided with the library.
// See these sources for detailed information regarding the
// Active Template Library product.
// seanmcd -- this is a cut down version of atl7's atlconv.h used to replace the atl3
// version in order to get prefast to shut up about use of _alloca
// since it now throws on out of memory conditions in the ctor i've modified it to use my
// exception hierarchy so i don't have to change any of my catches.
#ifndef __ATLCONV_H__
#define __ATLCONV_H__
#pragma once
#ifndef _ATL_NO_PRAGMA_WARNINGS
#pragma warning (push)
#pragma warning(disable: 4127) // unreachable code
#endif //!_ATL_NO_PRAGMA_WARNINGS
#ifndef __cplusplus
#error ATL requires C++ compilation (use a .cpp suffix)
#endif
#if defined(OLE2ANSI)
#error this version of the atl conversion functions doesn't support OLE2ANSI
#endif
#include <atldef.h>
#include <stddef.h>
#ifndef NO_CUSTOM_THROW
#include "..\throw.h"
#else
#define THROWCOM(x) throw x;
#endif
#ifndef __wtypes_h__
#if !defined(_68K_) && !defined(_MPPC_) && !defined(_X86_) && !defined(_IA64_) && !defined(_AMD64_) && defined(_M_IX86)
#define _X86_
#endif
#if !defined(_68K_) && !defined(_MPPC_) && !defined(_X86_) && !defined(_IA64_) && !defined(_AMD64_) && defined(_M_AMD64)
#define _AMD64_
#endif
#if !defined(_68K_) && !defined(_MPPC_) && !defined(_X86_) && !defined(_IA64_) && !defined(_AMD64_) && defined(_M_M68K)
#define _68K_
#endif
#if !defined(_68K_) && !defined(_MPPC_) && !defined(_X86_) && !defined(_IA64_) && !defined(_AMD64_) && defined(_M_MPPC)
#define _MPPC_
#endif
#if !defined(_68K_) && !defined(_MPPC_) && !defined(_X86_) && !defined(_M_IX86) && !defined(_AMD64_) && defined(_M_IA64)
#if !defined(_IA64_)
#define _IA64_
#endif // !_IA64_
#endif
#include <stdarg.h>
#include <windef.h>
#include <winbase.h>
#include <winnls.h>
#if defined(_WIN32)
typedef WCHAR OLECHAR;
typedef OLECHAR *LPOLESTR;
typedef const OLECHAR *LPCOLESTR;
#define OLESTR(str) L##str
#else
#error only _WIN32 supported by this version
#endif // _WIN32
#endif // __wtypes_h__
#ifndef _OLEAUTO_H_
typedef LPWSTR BSTR;// must (semantically) match typedef in oleauto.h
extern "C"
{
__declspec(dllimport) BSTR __stdcall SysAllocString(const OLECHAR *);
__declspec(dllimport) BSTR __stdcall SysAllocStringLen(const OLECHAR *, UINT);
__declspec(dllimport) INT __stdcall SysReAllocStringLen(BSTR *, const OLECHAR *, UINT);
}
#endif
// we use our own implementation of InterlockedExchangePointer because of problems with the one in system headers
#ifdef _M_IX86
#undef InterlockedExchangePointer
inline void* WINAPI InterlockedExchangePointer(void** pp, void* pNew) throw()
{
return( reinterpret_cast<void*>(static_cast<LONG_PTR>(::InterlockedExchange(reinterpret_cast<LONG*>(pp), static_cast<LONG>(reinterpret_cast<LONG_PTR>(pNew))))) );
}
#endif
namespace ATL
{
#ifndef _CONVERSION_DONT_USE_THREAD_LOCALE
typedef UINT (WINAPI *ATLGETTHREADACP)();
inline UINT WINAPI _AtlGetThreadACPFake() throw()
{
UINT nACP = 0;
LCID lcidThread = ::GetThreadLocale();
char szACP[7];
// GetLocaleInfoA will fail for a Unicode-only LCID, but those are only supported on
// Windows 2000. Since Windows 2000 supports CP_THREAD_ACP, this code path is never
// executed on Windows 2000.
if (::GetLocaleInfoA(lcidThread, LOCALE_IDEFAULTANSICODEPAGE, szACP, 7) != 0)
{
char* pch = szACP;
while (*pch != '\0')
{
nACP *= 10;
nACP += *pch++ - '0';
}
}
// Use the Default ANSI Code Page if we were unable to get the thread ACP or if one does not exist.
if (nACP == 0)
nACP = ::GetACP();
return nACP;
}
inline UINT WINAPI _AtlGetThreadACPReal() throw()
{
return( CP_THREAD_ACP );
}
extern ATLGETTHREADACP g_pfnGetThreadACP;
inline UINT WINAPI _AtlGetThreadACPThunk() throw()
{
OSVERSIONINFO ver;
ATLGETTHREADACP pfnGetThreadACP;
ver.dwOSVersionInfoSize = sizeof( ver );
::GetVersionEx( &ver );
if( (ver.dwPlatformId == VER_PLATFORM_WIN32_NT) && (ver.dwMajorVersion >= 5) )
{
// On Win2K, CP_THREAD_ACP is supported
pfnGetThreadACP = _AtlGetThreadACPReal;
}
else
{
pfnGetThreadACP = _AtlGetThreadACPFake;
}
InterlockedExchangePointer( reinterpret_cast< void** >(&g_pfnGetThreadACP), pfnGetThreadACP );
return( g_pfnGetThreadACP() );
}
__declspec( selectany ) ATLGETTHREADACP g_pfnGetThreadACP = _AtlGetThreadACPThunk;
inline UINT WINAPI _AtlGetConversionACP() throw()
{
return( g_pfnGetThreadACP() );
}
#else
inline UINT WINAPI _AtlGetConversionACP() throw()
{
return( CP_ACP );
}
#endif // _CONVERSION_DONT_USE_THREAD_LOCALE
template< int t_nBufferLength = 128 >
class CW2WEX
{
public:
CW2WEX( LPCWSTR psz ) throw(...) :
m_psz( m_szBuffer )
{
Init( psz );
}
CW2WEX( LPCWSTR psz, UINT nCodePage ) throw(...) :
m_psz( m_szBuffer )
{
(void)nCodePage; // Code page doesn't matter
Init( psz );
}
~CW2WEX() throw()
{
if( m_psz != m_szBuffer )
{
delete[] m_psz;
}
}
operator LPWSTR() const throw()
{
return( m_psz );
}
private:
void Init( LPCWSTR psz ) throw(...)
{
if (psz == NULL)
{
m_psz = NULL;
return;
}
int nLength = lstrlenW( psz )+1;
if( nLength > t_nBufferLength )
{
m_psz = new WCHAR[nLength];
if( m_psz == NULL )
{
THROWCOM(E_OUTOFMEMORY);
}
}
memcpy( m_psz, psz, nLength*sizeof( wchar_t ) );
}
public:
LPWSTR m_psz;
wchar_t m_szBuffer[t_nBufferLength];
private:
CW2WEX( const CW2WEX& ) throw();
CW2WEX& operator=( const CW2WEX& ) throw();
};
typedef CW2WEX<> CW2W;
template< int t_nBufferLength = 128 >
class CA2AEX
{
public:
CA2AEX( LPCSTR psz ) throw(...) :
m_psz( m_szBuffer )
{
Init( psz );
}
CA2AEX( LPCSTR psz, UINT nCodePage ) throw(...) :
m_psz( m_szBuffer )
{
(void)nCodePage; // Code page doesn't matter
Init( psz );
}
~CA2AEX() throw()
{
if( m_psz != m_szBuffer )
{
delete[] m_psz;
}
}
operator LPSTR() const throw()
{
return( m_psz );
}
private:
void Init( LPCSTR psz ) throw(...)
{
if (psz == NULL)
{
m_psz = NULL;
return;
}
int nLength = lstrlenA( psz )+1;
if( nLength > t_nBufferLength )
{
m_psz = new char[nLength]
if( m_psz == NULL )
{
THROWCOM(E_OUTOFMEMORY);
}
}
memcpy( m_psz, psz, nLength*sizeof( char ) );
}
public:
LPSTR m_psz;
char m_szBuffer[t_nBufferLength];
private:
CA2AEX( const CA2AEX& ) throw();
CA2AEX& operator=( const CA2AEX& ) throw();
};
typedef CA2AEX<> CA2A;
template< int t_nBufferLength = 128 >
class CA2CAEX
{
public:
CA2CAEX( LPCSTR psz ) throw(...) :
m_psz( psz )
{
}
CA2CAEX( LPCSTR psz, UINT nCodePage ) throw(...) :
m_psz( psz )
{
(void)nCodePage;
}
~CA2CAEX() throw()
{
}
operator LPCSTR() const throw()
{
return( m_psz );
}
public:
LPCSTR m_psz;
private:
CA2CAEX( const CA2CAEX& ) throw();
CA2CAEX& operator=( const CA2CAEX& ) throw();
};
typedef CA2CAEX<> CA2CA;
template< int t_nBufferLength = 128 >
class CW2CWEX
{
public:
CW2CWEX( LPCWSTR psz ) throw(...) :
m_psz( psz )
{
}
CW2CWEX( LPCWSTR psz, UINT nCodePage ) throw(...) :
m_psz( psz )
{
(void)nCodePage;
}
~CW2CWEX() throw()
{
}
operator LPCWSTR() const throw()
{
return( m_psz );
}
public:
LPCWSTR m_psz;
private:
CW2CWEX( const CW2CWEX& ) throw();
CW2CWEX& operator=( const CW2CWEX& ) throw();
};
typedef CW2CWEX<> CW2CW;
template< int t_nBufferLength = 128 >
class CA2WEX
{
public:
CA2WEX( LPCSTR psz ) throw(...) :
m_psz( m_szBuffer )
{
Init( psz, _AtlGetConversionACP() );
}
CA2WEX( LPCSTR psz, UINT nCodePage ) throw(...) :
m_psz( m_szBuffer )
{
Init( psz, nCodePage );
}
~CA2WEX() throw()
{
if( m_psz != m_szBuffer )
{
delete[] m_psz;
}
}
operator LPWSTR() const throw()
{
return( m_psz );
}
private:
void Init( LPCSTR psz, UINT nCodePage ) throw(...)
{
if (psz == NULL)
{
m_psz = NULL;
return;
}
int nLengthA = lstrlenA( psz )+1;
int nLengthW = nLengthA;
if( nLengthW > t_nBufferLength )
{
m_psz = new WCHAR[nLengthW];
if (m_psz == NULL)
{
THROWCOM(E_OUTOFMEMORY);
}
}
::MultiByteToWideChar( nCodePage, 0, psz, nLengthA, m_psz, nLengthW );
}
public:
LPWSTR m_psz;
wchar_t m_szBuffer[t_nBufferLength];
private:
CA2WEX( const CA2WEX& ) throw();
CA2WEX& operator=( const CA2WEX& ) throw();
};
typedef CA2WEX<> CA2W;
template< int t_nBufferLength = 128 >
class CW2AEX
{
public:
CW2AEX( LPCWSTR psz ) throw(...) :
m_psz( m_szBuffer )
{
Init( psz, _AtlGetConversionACP() );
}
CW2AEX( LPCWSTR psz, UINT nCodePage ) throw(...) :
m_psz( m_szBuffer )
{
Init( psz, nCodePage );
}
~CW2AEX() throw()
{
if( m_psz != m_szBuffer )
{
delete[] m_psz;
}
}
operator LPSTR() const throw()
{
return( m_psz );
}
private:
void Init( LPCWSTR psz, UINT nCodePage ) throw(...)
{
if (psz == NULL)
{
m_psz = NULL;
return;
}
int nLengthW = lstrlenW( psz )+1;
int nLengthA = nLengthW*2;
if( nLengthA > t_nBufferLength )
{
m_psz = new char[nLengthA];
if (m_psz == NULL)
{
THROWCOM(E_OUTOFMEMORY);
}
}
::WideCharToMultiByte( nCodePage, 0, psz, nLengthW, m_psz, nLengthA, NULL, NULL );
}
public:
LPSTR m_psz;
char m_szBuffer[t_nBufferLength];
private:
CW2AEX( const CW2AEX& ) throw();
CW2AEX& operator=( const CW2AEX& ) throw();
};
typedef CW2AEX<> CW2A;
#ifdef _UNICODE
#define W2T CW2W
#define CW2TEX CW2WEX
#define W2CT CW2CW
#define CW2CTEX CW2CWEX
#define T2W CW2W
#define CT2WEX CW2WEX
#define T2CW CW2CW
#define CT2CWEX CW2CWEX
#define A2T CA2W
#define CA2TEX CA2WEX
#define A2CT CA2W
#define CA2CTEX CA2WEX
#define T2A CW2A
#define CT2AEX CW2AEX
#define T2CA CW2A
#define CT2CAEX CW2AEX
#else // !_UNICODE
#define CW2T CW2A
#define CW2TEX CW2AEX
#define CW2CT CW2A
#define CW2CTEX CW2AEX
#define CT2W CA2W
#define CT2WEX CA2WEX
#define CT2CW CA2W
#define CT2CWEX CA2WEX
#define CA2T CA2A
#define CA2TEX CA2AEX
#define CA2CT CA2CA
#define CA2CTEX CA2CAEX
#define CT2A CA2A
#define CT2AEX CA2AEX
#define CT2CA CA2CA
#define CT2CAEX CA2CAEX
#endif // !_UNICODE
#define OLE2T CW2T
#define COLE2TEX CW2TEX
#define OLE2CT CW2CT
#define COLE2CTEX CW2CTEX
#define T2OLE CT2W
#define CT2OLEEX CT2WEX
#define T2COLE CT2CW
#define CT2COLEEX CT2CWEX
}; // namespace ATL
#define USES_CONVERSION
#define A2W CA2W
#define W2A CW2A
#define A2CW(x) CW2CW(CA2W(x))
#define W2CA(x) CA2CA(CW2A(x))
#if defined(_UNICODE)
// in these cases the default (TCHAR) is the same as OLECHAR
inline int ocslen(LPCOLESTR x) throw() { return lstrlenW(x); }
inline OLECHAR* ocscpy(LPOLESTR dest, LPCOLESTR src) throw() { return lstrcpyW(dest, src); }
inline OLECHAR* ocscat(LPOLESTR dest, LPCOLESTR src) throw() { return lstrcatW(dest, src); }
inline LPCOLESTR T2COLE(LPCTSTR lp) { return lp; }
inline LPCTSTR OLE2CT(LPCOLESTR lp) { return lp; }
inline LPOLESTR T2OLE(LPTSTR lp) { return lp; }
inline LPTSTR OLE2T(LPOLESTR lp) { return lp; }
inline LPOLESTR CharNextO(LPCOLESTR lp) throw() {return CharNextW(lp);}
#else
inline int ocslen(LPCOLESTR x) throw() { return lstrlenW(x); }
//lstrcpyW doesn't work on Win95, so we do this
inline OLECHAR* ocscpy(LPOLESTR dest, LPCOLESTR src) throw()
{return (LPOLESTR) memcpy(dest, src, (lstrlenW(src)+1)*sizeof(WCHAR));}
inline OLECHAR* ocscat(LPOLESTR dest, LPCOLESTR src) throw() { return ocscpy(dest+ocslen(dest), src); }
//CharNextW doesn't work on Win95 so we use this
#define T2COLE(lpa) A2CW(lpa)
#define T2OLE(lpa) A2W(lpa)
#define OLE2CT(lpo) W2CA(lpo)
#define OLE2T(lpo) W2A(lpo)
inline LPOLESTR CharNextO(LPCOLESTR lp) throw() {return (LPOLESTR) ((*lp) ? (lp+1) : lp);}
#endif
inline LPOLESTR W2OLE(LPWSTR lp) { return lp; }
inline LPWSTR OLE2W(LPOLESTR lp) { return lp; }
#define A2OLE A2W
#define OLE2A W2A
inline LPCOLESTR W2COLE(LPCWSTR lp) { return lp; }
inline LPCWSTR OLE2CW(LPCOLESTR lp) { return lp; }
#define A2COLE A2CW
#define OLE2CA W2CA
inline BSTR A2WBSTR(LPCSTR lp, int nLen = -1)
{
if (lp == NULL || nLen == 0)
return NULL;
UINT _acp = ATL::_AtlGetConversionACP();
BSTR str = NULL;
int nConvertedLen = MultiByteToWideChar(_acp, 0, lp,
nLen, NULL, NULL);
int nAllocLen = nConvertedLen;
if (nLen == -1)
nAllocLen -= 1; // Don't allocate terminating '\0'
str = ::SysAllocStringLen(NULL, nAllocLen);
if (str != NULL)
{
int nResult;
nResult = MultiByteToWideChar(_acp, 0, lp, nLen, str, nConvertedLen);
ATLASSERT(nResult == nConvertedLen);
}
return str;
}
inline BSTR OLE2BSTR(LPCOLESTR lp) {return ::SysAllocString(lp);}
#if defined(_UNICODE)
// in these cases the default (TCHAR) is the same as OLECHAR
inline BSTR T2BSTR(LPCTSTR lp) {return ::SysAllocString(lp);}
inline BSTR A2BSTR(LPCSTR lp) {return A2WBSTR(lp);}
inline BSTR W2BSTR(LPCWSTR lp) {return ::SysAllocString(lp);}
#else
inline BSTR T2BSTR(LPCTSTR lp) {return A2WBSTR(lp);}
inline BSTR A2BSTR(LPCSTR lp) {return A2WBSTR(lp);}
inline BSTR W2BSTR(LPCWSTR lp) {return ::SysAllocString(lp);}
#endif
#ifdef _WINGDI_
/////////////////////////////////////////////////////////////////////////////
// Global UNICODE<>ANSI translation helpers
inline LPWSTR WINAPI AtlA2WHelper(LPWSTR lpw, LPCSTR lpa, int nChars, UINT acp) throw()
{
ATLASSERT(lpa != NULL);
ATLASSERT(lpw != NULL);
if (lpw == NULL)
return NULL;
// verify that no illegal character present
// since lpw was allocated based on the size of lpa
// don't worry about the number of chars
lpw[0] = '\0';
MultiByteToWideChar(acp, 0, lpa, -1, lpw, nChars);
return lpw;
}
inline LPDEVMODEW AtlDevModeA2W(LPDEVMODEW lpDevModeW, const DEVMODEA* lpDevModeA)
{
UINT _acp = ATL::_AtlGetConversionACP();
if (lpDevModeA == NULL)
return NULL;
ATLASSERT(lpDevModeW != NULL);
AtlA2WHelper(lpDevModeW->dmDeviceName, (LPCSTR)lpDevModeA->dmDeviceName, 32*sizeof(WCHAR), _acp);
memcpy(&lpDevModeW->dmSpecVersion, &lpDevModeA->dmSpecVersion,
offsetof(DEVMODEW, dmFormName) - offsetof(DEVMODEW, dmSpecVersion));
AtlA2WHelper(lpDevModeW->dmFormName, (LPCSTR)lpDevModeA->dmFormName, 32*sizeof(WCHAR), _acp);
memcpy(&lpDevModeW->dmLogPixels, &lpDevModeA->dmLogPixels,
sizeof(DEVMODEW) - offsetof(DEVMODEW, dmLogPixels));
if (lpDevModeA->dmDriverExtra != 0)
memcpy(lpDevModeW+1, lpDevModeA+1, lpDevModeA->dmDriverExtra);
lpDevModeW->dmSize = sizeof(DEVMODEW);
return lpDevModeW;
}
inline LPTEXTMETRICW AtlTextMetricA2W(LPTEXTMETRICW lptmW, LPTEXTMETRICA lptmA)
{
UINT _acp = ATL::_AtlGetConversionACP();
if (lptmA == NULL)
return NULL;
ATLASSERT(lptmW != NULL);
memcpy(lptmW, lptmA, sizeof(LONG) * 11);
memcpy(&lptmW->tmItalic, &lptmA->tmItalic, sizeof(BYTE) * 5);
MultiByteToWideChar(_acp, 0, (LPCSTR)&lptmA->tmFirstChar, 1, &lptmW->tmFirstChar, 1);
MultiByteToWideChar(_acp, 0, (LPCSTR)&lptmA->tmLastChar, 1, &lptmW->tmLastChar, 1);
MultiByteToWideChar(_acp, 0, (LPCSTR)&lptmA->tmDefaultChar, 1, &lptmW->tmDefaultChar, 1);
MultiByteToWideChar(_acp, 0, (LPCSTR)&lptmA->tmBreakChar, 1, &lptmW->tmBreakChar, 1);
return lptmW;
}
inline LPTEXTMETRICA AtlTextMetricW2A(LPTEXTMETRICA lptmA, LPTEXTMETRICW lptmW)
{
UINT _acp = ATL::_AtlGetConversionACP();
if (lptmW == NULL)
return NULL;
ATLASSERT(lptmA != NULL);
memcpy(lptmA, lptmW, sizeof(LONG) * 11);
memcpy(&lptmA->tmItalic, &lptmW->tmItalic, sizeof(BYTE) * 5);
WideCharToMultiByte(_acp, 0, &lptmW->tmFirstChar, 1, (LPSTR)&lptmA->tmFirstChar, 1, NULL, NULL);
WideCharToMultiByte(_acp, 0, &lptmW->tmLastChar, 1, (LPSTR)&lptmA->tmLastChar, 1, NULL, NULL);
WideCharToMultiByte(_acp, 0, &lptmW->tmDefaultChar, 1, (LPSTR)&lptmA->tmDefaultChar, 1, NULL, NULL);
WideCharToMultiByte(_acp, 0, &lptmW->tmBreakChar, 1, (LPSTR)&lptmA->tmBreakChar, 1, NULL, NULL);
return lptmA;
}
#ifndef ATLDEVMODEA2W
#define ATLDEVMODEA2W AtlDevModeA2W
#define ATLDEVMODEW2A AtlDevModeW2A
#define ATLTEXTMETRICA2W AtlTextMetricA2W
#define ATLTEXTMETRICW2A AtlTextMetricW2A
#endif
#define DEVMODEW2A(lpw)\
((lpw == NULL) ? NULL : ATLDEVMODEW2A((LPDEVMODEA)alloca(sizeof(DEVMODEA)+lpw->dmDriverExtra), lpw))
#define DEVMODEA2W(lpa)\
((lpa == NULL) ? NULL : ATLDEVMODEA2W((LPDEVMODEW)alloca(sizeof(DEVMODEW)+lpa->dmDriverExtra), lpa))
#define TEXTMETRICW2A(lptmw)\
((lptmw == NULL) ? NULL : ATLTEXTMETRICW2A((LPTEXTMETRICA)alloca(sizeof(TEXTMETRICA)), lptmw))
#define TEXTMETRICA2W(lptma)\
((lptma == NULL) ? NULL : ATLTEXTMETRICA2W((LPTEXTMETRICW)alloca(sizeof(TEXTMETRICW)), lptma))
#define DEVMODEOLE DEVMODEW
#define LPDEVMODEOLE LPDEVMODEW
#define TEXTMETRICOLE TEXTMETRICW
#define LPTEXTMETRICOLE LPTEXTMETRICW
#if defined(_UNICODE)
// in these cases the default (TCHAR) is the same as OLECHAR
inline LPDEVMODEW DEVMODEOLE2T(LPDEVMODEOLE lp) { return lp; }
inline LPDEVMODEOLE DEVMODET2OLE(LPDEVMODEW lp) { return lp; }
inline LPTEXTMETRICW TEXTMETRICOLE2T(LPTEXTMETRICOLE lp) { return lp; }
inline LPTEXTMETRICOLE TEXTMETRICT2OLE(LPTEXTMETRICW lp) { return lp; }
#else
#define DEVMODEOLE2T(lpo) DEVMODEW2A(lpo)
#define DEVMODET2OLE(lpa) DEVMODEA2W(lpa)
#define TEXTMETRICOLE2T(lptmw) TEXTMETRICW2A(lptmw)
#define TEXTMETRICT2OLE(lptma) TEXTMETRICA2W(lptma)
#endif
#endif //_WINGDI_
#ifndef _ATL_NO_PRAGMA_WARNINGS
#pragma warning (pop)
#endif //!_ATL_NO_PRAGMA_WARNINGS
#endif // __ATLCONV_H__
/////////////////////////////////////////////////////////////////////////////