| 1 | /** |
| 2 | * This file has no copyright assigned and is placed in the Public Domain. |
| 3 | * This file is part of the mingw-w64 runtime package. |
| 4 | * No warranty is given; refer to the file DISCLAIMER.PD within this package. |
| 5 | */ |
| 6 | #ifndef _INC_COMDEF |
| 7 | #define _INC_COMDEF |
| 8 | |
| 9 | #include <_mingw.h> |
| 10 | |
| 11 | #ifndef RC_INVOKED |
| 12 | |
| 13 | #ifndef __cplusplus |
| 14 | #error Native Compiler support only available in C++ compiler |
| 15 | #endif |
| 16 | |
| 17 | #include <ole2.h> |
| 18 | #include <olectl.h> |
| 19 | #include <comutil.h> |
| 20 | |
| 21 | #ifndef WINAPI |
| 22 | #if defined(_ARM_) |
| 23 | #define WINAPI |
| 24 | #else |
| 25 | #define WINAPI __stdcall |
| 26 | #endif |
| 27 | #endif |
| 28 | |
| 29 | #ifdef __cplusplus |
| 30 | |
| 31 | class _com_error; |
| 32 | void WINAPI _com_issue_errorex(HRESULT,IUnknown*,REFIID); |
| 33 | HRESULT WINAPI _com_dispatch_propget(IDispatch*,DISPID,VARTYPE,void*); |
| 34 | HRESULT __cdecl _com_dispatch_propput(IDispatch*,DISPID,VARTYPE,...); |
| 35 | HRESULT __cdecl _com_dispatch_method(IDispatch*,DISPID,WORD,VARTYPE,void*,const wchar_t*,...); |
| 36 | HRESULT WINAPI _com_dispatch_raw_propget(IDispatch*,DISPID,VARTYPE,void*) throw(); |
| 37 | HRESULT __cdecl _com_dispatch_raw_propput(IDispatch*,DISPID,VARTYPE,...) throw(); |
| 38 | HRESULT __cdecl _com_dispatch_raw_method(IDispatch*,DISPID,WORD,VARTYPE,void*,const wchar_t*,...) throw(); |
| 39 | |
| 40 | class _com_error { |
| 41 | public: |
| 42 | _com_error(HRESULT hr,IErrorInfo *perrinfo = NULL,bool fAddRef = false) throw(); |
| 43 | _com_error(const _com_error &that) throw(); |
| 44 | virtual ~_com_error() throw(); |
| 45 | _com_error &operator=(const _com_error &that) throw(); |
| 46 | HRESULT Error() const throw(); |
| 47 | WORD WCode() const throw(); |
| 48 | IErrorInfo *ErrorInfo() const throw(); |
| 49 | _bstr_t Description() const; |
| 50 | DWORD HelpContext() const throw(); |
| 51 | _bstr_t HelpFile() const; |
| 52 | _bstr_t Source() const; |
| 53 | GUID GUID_() const throw(); |
| 54 | const TCHAR *ErrorMessage() const throw(); |
| 55 | static HRESULT WCodeToHRESULT(WORD wCode) throw(); |
| 56 | static WORD HRESULTToWCode(HRESULT hr) throw(); |
| 57 | private: |
| 58 | void Dtor() throw(); |
| 59 | void Ctor(const _com_error &that) throw(); |
| 60 | enum { |
| 61 | WCODE_HRESULT_FIRST = MAKE_HRESULT(SEVERITY_ERROR,FACILITY_ITF,0x200),WCODE_HRESULT_LAST = MAKE_HRESULT(SEVERITY_ERROR,FACILITY_ITF+1,0) - 1 |
| 62 | }; |
| 63 | HRESULT m_hresult; |
| 64 | IErrorInfo *m_perrinfo; |
| 65 | mutable TCHAR *m_pszMsg; |
| 66 | }; |
| 67 | |
| 68 | inline _com_error::_com_error(HRESULT hr,IErrorInfo *perrinfo,bool fAddRef) throw() : m_hresult(hr),m_perrinfo(perrinfo),m_pszMsg(NULL) { |
| 69 | if(m_perrinfo!=NULL && fAddRef) m_perrinfo->AddRef(); |
| 70 | } |
| 71 | |
| 72 | inline _com_error::_com_error(const _com_error &that) throw() { |
| 73 | Ctor(that); |
| 74 | } |
| 75 | |
| 76 | inline _com_error::~_com_error() throw() { |
| 77 | 	Dtor(); |
| 78 | } |
| 79 | |
| 80 | inline _com_error &_com_error::operator=(const _com_error &that) throw() { |
| 81 | if(this!=&that) { |
| 82 | Dtor(); |
| 83 | Ctor(that); |
| 84 | } |
| 85 | return *this; |
| 86 | } |
| 87 | |
| 88 | inline HRESULT _com_error::Error() const throw() { return m_hresult; } |
| 89 | inline WORD _com_error::WCode() const throw() { return HRESULTToWCode(m_hresult); } |
| 90 | |
| 91 | inline IErrorInfo *_com_error::ErrorInfo() const throw() { |
| 92 | if(m_perrinfo!=NULL) m_perrinfo->AddRef(); |
| 93 | return m_perrinfo; |
| 94 | } |
| 95 | |
| 96 | inline _bstr_t _com_error::Description() const { |
| 97 | BSTR bstr = NULL; |
| 98 | if(m_perrinfo!=NULL) m_perrinfo->GetDescription(&bstr); |
| 99 | return _bstr_t(bstr,false); |
| 100 | } |
| 101 | |
| 102 | inline DWORD _com_error::HelpContext() const throw() { |
| 103 | DWORD dwHelpContext = 0; |
| 104 | if(m_perrinfo!=NULL) m_perrinfo->GetHelpContext(&dwHelpContext); |
| 105 | return dwHelpContext; |
| 106 | } |
| 107 | |
| 108 | inline _bstr_t _com_error::HelpFile() const { |
| 109 | BSTR bstr = NULL; |
| 110 | if(m_perrinfo!=NULL) m_perrinfo->GetHelpFile(&bstr); |
| 111 | return _bstr_t(bstr,false); |
| 112 | } |
| 113 | |
| 114 | inline _bstr_t _com_error::Source() const { |
| 115 | BSTR bstr = NULL; |
| 116 | if(m_perrinfo!=NULL) m_perrinfo->GetSource(&bstr); |
| 117 | return _bstr_t(bstr,false); |
| 118 | } |
| 119 | |
| 120 | inline _GUID _com_error::GUID_() const throw() { |
| 121 | _GUID guid; |
| 122 | memset (&guid, 0, sizeof (_GUID)); |
| 123 | if(m_perrinfo!=NULL) m_perrinfo->GetGUID(&guid); |
| 124 | return guid; |
| 125 | } |
| 126 | |
| 127 | inline const TCHAR *_com_error::ErrorMessage() const throw() { |
| 128 | if(!m_pszMsg) { |
| 129 | FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER|FORMAT_MESSAGE_FROM_SYSTEM,NULL,m_hresult,MAKELANGID(LANG_NEUTRAL,SUBLANG_DEFAULT),(LPTSTR)&m_pszMsg,0,NULL); |
| 130 | if(m_pszMsg!=NULL) { |
| 131 | int nLen = lstrlen(m_pszMsg); |
| 132 | if(nLen > 1 && m_pszMsg[nLen - 1]=='\n') { |
| 133 | 	m_pszMsg[nLen-1] = 0; |
| 134 | 	if(m_pszMsg[nLen - 2]=='\r') m_pszMsg[nLen-2] = 0; |
| 135 | } |
| 136 | } else { |
| 137 | m_pszMsg = (LPTSTR)LocalAlloc(0,32 *sizeof(TCHAR)); |
| 138 | if(m_pszMsg!=NULL) { |
| 139 | 	WORD wCode = WCode(); |
| 140 | 	if(wCode!=0) { |
| 141 | 	 _COM_PRINTF_S_1(m_pszMsg,32,TEXT("IDispatch error #%d"),wCode); |
| 142 | 	} else { |
| 143 | 	 _COM_PRINTF_S_1(m_pszMsg,32,TEXT("Unknown error 0x%0lX"),m_hresult); |
| 144 | 	} |
| 145 | } |
| 146 | } |
| 147 | } |
| 148 | return m_pszMsg; |
| 149 | } |
| 150 | |
| 151 | inline HRESULT _com_error::WCodeToHRESULT(WORD wCode) throw() { return wCode >= 0xFE00 ? WCODE_HRESULT_LAST : WCODE_HRESULT_FIRST + wCode; } |
| 152 | inline WORD _com_error::HRESULTToWCode(HRESULT hr) throw() { return (hr >= WCODE_HRESULT_FIRST && hr <= WCODE_HRESULT_LAST) ? WORD(hr - WCODE_HRESULT_FIRST) : 0; } |
| 153 | |
| 154 | inline void _com_error::Dtor() throw() { |
| 155 | if(m_perrinfo!=NULL) m_perrinfo->Release(); |
| 156 | if(m_pszMsg!=NULL) LocalFree((HLOCAL)m_pszMsg); |
| 157 | } |
| 158 | |
| 159 | inline void _com_error::Ctor(const _com_error &that) throw() { |
| 160 | m_hresult = that.m_hresult; |
| 161 | m_perrinfo = that.m_perrinfo; |
| 162 | m_pszMsg = NULL; |
| 163 | if(m_perrinfo!=NULL) m_perrinfo->AddRef(); |
| 164 | } |
| 165 | |
| 166 | inline void WINAPI _com_raise_error(HRESULT hr, IErrorInfo *perrinfo = 0) { |
| 167 | #if __EXCEPTIONS |
| 168 | throw _com_error(hr, perrinfo); |
| 169 | #else |
| 170 | /* This is designed to use exceptions. If exceptions are disabled, there is not much we can do here. */ |
| 171 | __debugbreak(); |
| 172 | #endif |
| 173 | } |
| 174 | |
| 175 | __MINGW_SELECTANY void (WINAPI *__mingw_com_error_handler)(HRESULT hr,IErrorInfo *perrinfo) = _com_raise_error; |
| 176 | |
| 177 | inline void WINAPI _set_com_error_handler(void (WINAPI *pHandler)(HRESULT hr,IErrorInfo *perrinfo)) { |
| 178 | __mingw_com_error_handler = pHandler; |
| 179 | } |
| 180 | |
| 181 | inline void WINAPI _com_issue_error(HRESULT hr) { |
| 182 | __mingw_com_error_handler(hr, NULL); |
| 183 | } |
| 184 | |
| 185 | |
| 186 | typedef int __missing_type__; |
| 187 | |
| 188 | #if !defined(_COM_SMARTPTR) |
| 189 | #if !defined(_INC_COMIP) |
| 190 | #include <comip.h> |
| 191 | #endif |
| 192 | #define _COM_SMARTPTR _com_ptr_t |
| 193 | #define _COM_SMARTPTR_LEVEL2 _com_IIID |
| 194 | #endif |
| 195 | #if defined(_COM_SMARTPTR) |
| 196 | #if !defined(_COM_SMARTPTR_TYPEDEF) |
| 197 | #if defined(_COM_SMARTPTR_LEVEL2) |
| 198 | #ifdef __CRT_UUID_DECL |
| 199 | /* With our __uuidof, its result can't be passed directly as a template argument. We have _com_IIID_getter to work around that. */ |
| 200 | #define _COM_SMARTPTR_TYPEDEF(Interface,aIID) inline const IID &__##Interface##_IID_getter(void) { return aIID; } typedef _COM_SMARTPTR< _com_IIID_getter<Interface, __##Interface##_IID_getter > > Interface ## Ptr |
| 201 | #else |
| 202 | #define _COM_SMARTPTR_TYPEDEF(Interface,IID) typedef _COM_SMARTPTR< _COM_SMARTPTR_LEVEL2<Interface, &IID > > Interface ## Ptr |
| 203 | #endif |
| 204 | #else |
| 205 | #define _COM_SMARTPTR_TYPEDEF(Interface,IID) typedef _COM_SMARTPTR<Interface,&IID > Interface ## Ptr |
| 206 | #endif |
| 207 | #endif |
| 208 | #endif |
| 209 | |
| 210 | #if !defined(_COM_NO_STANDARD_GUIDS_) |
| 211 | #if defined(__IFontDisp_INTERFACE_DEFINED__) |
| 212 | #if !defined(Font) |
| 213 | struct Font : IFontDisp {}; |
| 214 | #endif |
| 215 | _COM_SMARTPTR_TYPEDEF(Font,__uuidof(IDispatch)); |
| 216 | |
| 217 | #endif |
| 218 | #if defined(__IFontEventsDisp_INTERFACE_DEFINED__) |
| 219 | #if !defined(FontEvents) |
| 220 | struct FontEvents : IFontEventsDisp {}; |
| 221 | #endif |
| 222 | _COM_SMARTPTR_TYPEDEF(FontEvents,__uuidof(IDispatch)); |
| 223 | #endif |
| 224 | #if defined(__IPictureDisp_INTERFACE_DEFINED__) |
| 225 | #if !defined(Picture) |
| 226 | struct Picture : IPictureDisp {}; |
| 227 | #endif |
| 228 | _COM_SMARTPTR_TYPEDEF(Picture,__uuidof(IDispatch)); |
| 229 | #endif |
| 230 | |
| 231 | #include "comdefsp.h" |
| 232 | #endif |
| 233 | #endif |
| 234 | |
| 235 | #endif /* __cplusplus */ |
| 236 | |
| 237 | #endif |