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 #define WINAPI __stdcall 23 #endif 24 25 #ifdef __cplusplus 26 27 class _com_error; 28 void WINAPI _com_raise_error(HRESULT hr,IErrorInfo *perrinfo = 0); 29 void WINAPI _set_com_error_handler(void (WINAPI *pHandler)(HRESULT hr,IErrorInfo *perrinfo)); 30 void WINAPI _com_issue_error(HRESULT); 31 void WINAPI _com_issue_errorex(HRESULT,IUnknown*,REFIID); 32 HRESULT WINAPI _com_dispatch_propget(IDispatch*,DISPID,VARTYPE,void*); 33 HRESULT __cdecl _com_dispatch_propput(IDispatch*,DISPID,VARTYPE,...); 34 HRESULT __cdecl _com_dispatch_method(IDispatch*,DISPID,WORD,VARTYPE,void*,const wchar_t*,...); 35 HRESULT WINAPI _com_dispatch_raw_propget(IDispatch*,DISPID,VARTYPE,void*) throw(); 36 HRESULT __cdecl _com_dispatch_raw_propput(IDispatch*,DISPID,VARTYPE,...) throw(); 37 HRESULT __cdecl _com_dispatch_raw_method(IDispatch*,DISPID,WORD,VARTYPE,void*,const wchar_t*,...) throw(); 38 39 class _com_error { 40 public: 41 _com_error(HRESULT hr,IErrorInfo *perrinfo = NULL,bool fAddRef = false) throw(); 42 _com_error(const _com_error &that) throw(); 43 virtual ~_com_error() throw(); 44 _com_error &operator=(const _com_error &that) throw(); 45 HRESULT Error() const throw(); 46 WORD WCode() const throw(); 47 IErrorInfo *ErrorInfo() const throw(); 48 _bstr_t Description() const; 49 DWORD HelpContext() const throw(); 50 _bstr_t HelpFile() const; 51 _bstr_t Source() const; 52 GUID GUID_() const throw(); 53 const TCHAR *ErrorMessage() const throw(); 54 static HRESULT WCodeToHRESULT(WORD wCode) throw(); 55 static WORD HRESULTToWCode(HRESULT hr) throw(); 56 private: 57 void Dtor() throw(); 58 void Ctor(const _com_error &that) throw(); 59 enum { 60 WCODE_HRESULT_FIRST = MAKE_HRESULT(SEVERITY_ERROR,FACILITY_ITF,0x200),WCODE_HRESULT_LAST = MAKE_HRESULT(SEVERITY_ERROR,FACILITY_ITF+1,0) - 1 61 }; 62 HRESULT m_hresult; 63 IErrorInfo *m_perrinfo; 64 mutable TCHAR *m_pszMsg; 65 }; 66 67 inline _com_error::_com_error(HRESULT hr,IErrorInfo *perrinfo,bool fAddRef) throw() : m_hresult(hr),m_perrinfo(perrinfo),m_pszMsg(NULL) { 68 if(m_perrinfo!=NULL && fAddRef) m_perrinfo->AddRef(); 69 } 70 71 inline _com_error::_com_error(const _com_error &that) throw() { 72 Ctor(that); 73 } 74 75 inline _com_error::~_com_error() throw() { 76 Dtor(); 77 } 78 79 inline _com_error &_com_error::operator=(const _com_error &that) throw() { 80 if(this!=&that) { 81 Dtor(); 82 Ctor(that); 83 } 84 return *this; 85 } 86 87 inline HRESULT _com_error::Error() const throw() { return m_hresult; } 88 inline WORD _com_error::WCode() const throw() { return HRESULTToWCode(m_hresult); } 89 90 inline IErrorInfo *_com_error::ErrorInfo() const throw() { 91 if(m_perrinfo!=NULL) m_perrinfo->AddRef(); 92 return m_perrinfo; 93 } 94 95 inline _bstr_t _com_error::Description() const { 96 BSTR bstr = NULL; 97 if(m_perrinfo!=NULL) m_perrinfo->GetDescription(&bstr); 98 return _bstr_t(bstr,false); 99 } 100 101 inline DWORD _com_error::HelpContext() const throw() { 102 DWORD dwHelpContext = 0; 103 if(m_perrinfo!=NULL) m_perrinfo->GetHelpContext(&dwHelpContext); 104 return dwHelpContext; 105 } 106 107 inline _bstr_t _com_error::HelpFile() const { 108 BSTR bstr = NULL; 109 if(m_perrinfo!=NULL) m_perrinfo->GetHelpFile(&bstr); 110 return _bstr_t(bstr,false); 111 } 112 113 inline _bstr_t _com_error::Source() const { 114 BSTR bstr = NULL; 115 if(m_perrinfo!=NULL) m_perrinfo->GetSource(&bstr); 116 return _bstr_t(bstr,false); 117 } 118 119 inline _GUID _com_error::GUID_() const throw() { 120 _GUID guid; 121 memset (&guid, 0, sizeof (_GUID)); 122 if(m_perrinfo!=NULL) m_perrinfo->GetGUID(&guid); 123 return guid; 124 } 125 126 inline const TCHAR *_com_error::ErrorMessage() const throw() { 127 if(!m_pszMsg) { 128 FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER|FORMAT_MESSAGE_FROM_SYSTEM,NULL,m_hresult,MAKELANGID(LANG_NEUTRAL,SUBLANG_DEFAULT),(LPTSTR)&m_pszMsg,0,NULL); 129 if(m_pszMsg!=NULL) { 130 int nLen = lstrlen(m_pszMsg); 131 if(nLen > 1 && m_pszMsg[nLen - 1]=='\n') { 132 m_pszMsg[nLen-1] = 0; 133 if(m_pszMsg[nLen - 2]=='\r') m_pszMsg[nLen-2] = 0; 134 } 135 } else { 136 m_pszMsg = (LPTSTR)LocalAlloc(0,32 *sizeof(TCHAR)); 137 if(m_pszMsg!=NULL) { 138 WORD wCode = WCode(); 139 if(wCode!=0) { 140 _COM_PRINTF_S_1(m_pszMsg,32,TEXT("IDispatch error #%d"),wCode); 141 } else { 142 _COM_PRINTF_S_1(m_pszMsg,32,TEXT("Unknown error 0x%0lX"),m_hresult); 143 } 144 } 145 } 146 } 147 return m_pszMsg; 148 } 149 150 inline HRESULT _com_error::WCodeToHRESULT(WORD wCode) throw() { return wCode >= 0xFE00 ? WCODE_HRESULT_LAST : WCODE_HRESULT_FIRST + wCode; } 151 inline WORD _com_error::HRESULTToWCode(HRESULT hr) throw() { return (hr >= WCODE_HRESULT_FIRST && hr <= WCODE_HRESULT_LAST) ? WORD(hr - WCODE_HRESULT_FIRST) : 0; } 152 153 inline void _com_error::Dtor() throw() { 154 if(m_perrinfo!=NULL) m_perrinfo->Release(); 155 if(m_pszMsg!=NULL) LocalFree((HLOCAL)m_pszMsg); 156 } 157 158 inline void _com_error::Ctor(const _com_error &that) throw() { 159 m_hresult = that.m_hresult; 160 m_perrinfo = that.m_perrinfo; 161 m_pszMsg = NULL; 162 if(m_perrinfo!=NULL) m_perrinfo->AddRef(); 163 } 164 165 typedef int __missing_type__; 166 167 #if !defined(_COM_SMARTPTR) 168 #if !defined(_INC_COMIP) 169 #include <comip.h> 170 #endif 171 #define _COM_SMARTPTR _com_ptr_t 172 #define _COM_SMARTPTR_LEVEL2 _com_IIID 173 #endif 174 #if defined(_COM_SMARTPTR) 175 #if !defined(_COM_SMARTPTR_TYPEDEF) 176 #if defined(_COM_SMARTPTR_LEVEL2) 177 #define _COM_SMARTPTR_TYPEDEF(Interface,IID) UUID IIDArgForTypedef ## Interface = IID; typedef _COM_SMARTPTR< _COM_SMARTPTR_LEVEL2<Interface, &IIDArgForTypedef ## Interface > > Interface ## Ptr 178 #else 179 #define _COM_SMARTPTR_TYPEDEF(Interface,IID) UUID IIDArgForTypedef ## Interface = IID; typedef _COM_SMARTPTR<Interface,&IIDArgForTypedef ## Interface > Interface ## Ptr 180 #endif 181 #endif 182 #endif 183 184 #if !defined(_COM_NO_STANDARD_GUIDS_) 185 #if defined(__IFontDisp_INTERFACE_DEFINED__) 186 #if !defined(Font) 187 struct Font : IFontDisp {}; 188 #endif 189 _COM_SMARTPTR_TYPEDEF(Font, IID_IDispatch); 190 191 #endif 192 #if defined(__IFontEventsDisp_INTERFACE_DEFINED__) 193 #if !defined(FontEvents) 194 struct FontEvents : IFontEventsDisp {}; 195 #endif 196 _COM_SMARTPTR_TYPEDEF(FontEvents, IID_IDispatch); 197 #endif 198 #if defined(__IPictureDisp_INTERFACE_DEFINED__) 199 #if !defined(Picture) 200 struct Picture : IPictureDisp {}; 201 #endif 202 _COM_SMARTPTR_TYPEDEF(Picture, IID_IDispatch); 203 #endif 204 205 #include "comdefsp.h" 206 #endif 207 #endif 208 209 #endif /* __cplusplus */ 210 211 #endif 212