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_raise_error(HRESULT hr,IErrorInfo *perrinfo = 0); 33 void WINAPI _set_com_error_handler(void (WINAPI *pHandler)(HRESULT hr,IErrorInfo *perrinfo)); 34 void WINAPI _com_issue_errorex(HRESULT,IUnknown*,REFIID); 35 HRESULT WINAPI _com_dispatch_propget(IDispatch*,DISPID,VARTYPE,void*); 36 HRESULT __cdecl _com_dispatch_propput(IDispatch*,DISPID,VARTYPE,...); 37 HRESULT __cdecl _com_dispatch_method(IDispatch*,DISPID,WORD,VARTYPE,void*,const wchar_t*,...); 38 HRESULT WINAPI _com_dispatch_raw_propget(IDispatch*,DISPID,VARTYPE,void*) throw(); 39 HRESULT __cdecl _com_dispatch_raw_propput(IDispatch*,DISPID,VARTYPE,...) throw(); 40 HRESULT __cdecl _com_dispatch_raw_method(IDispatch*,DISPID,WORD,VARTYPE,void*,const wchar_t*,...) throw(); 41 42 class _com_error { 43 public: 44 _com_error(HRESULT hr,IErrorInfo *perrinfo = NULL,bool fAddRef = false) throw(); 45 _com_error(const _com_error &that) throw(); 46 virtual ~_com_error() throw(); 47 _com_error &operator=(const _com_error &that) throw(); 48 HRESULT Error() const throw(); 49 WORD WCode() const throw(); 50 IErrorInfo *ErrorInfo() const throw(); 51 _bstr_t Description() const; 52 DWORD HelpContext() const throw(); 53 _bstr_t HelpFile() const; 54 _bstr_t Source() const; 55 GUID GUID_() const throw(); 56 const TCHAR *ErrorMessage() const throw(); 57 static HRESULT WCodeToHRESULT(WORD wCode) throw(); 58 static WORD HRESULTToWCode(HRESULT hr) throw(); 59 private: 60 void Dtor() throw(); 61 void Ctor(const _com_error &that) throw(); 62 enum { 63 WCODE_HRESULT_FIRST = MAKE_HRESULT(SEVERITY_ERROR,FACILITY_ITF,0x200),WCODE_HRESULT_LAST = MAKE_HRESULT(SEVERITY_ERROR,FACILITY_ITF+1,0) - 1 64 }; 65 HRESULT m_hresult; 66 IErrorInfo *m_perrinfo; 67 mutable TCHAR *m_pszMsg; 68 }; 69 70 inline _com_error::_com_error(HRESULT hr,IErrorInfo *perrinfo,bool fAddRef) throw() : m_hresult(hr),m_perrinfo(perrinfo),m_pszMsg(NULL) { 71 if(m_perrinfo!=NULL && fAddRef) m_perrinfo->AddRef(); 72 } 73 74 inline _com_error::_com_error(const _com_error &that) throw() { 75 Ctor(that); 76 } 77 78 inline _com_error::~_com_error() throw() { 79 Dtor(); 80 } 81 82 inline _com_error &_com_error::operator=(const _com_error &that) throw() { 83 if(this!=&that) { 84 Dtor(); 85 Ctor(that); 86 } 87 return *this; 88 } 89 90 inline HRESULT _com_error::Error() const throw() { return m_hresult; } 91 inline WORD _com_error::WCode() const throw() { return HRESULTToWCode(m_hresult); } 92 93 inline IErrorInfo *_com_error::ErrorInfo() const throw() { 94 if(m_perrinfo!=NULL) m_perrinfo->AddRef(); 95 return m_perrinfo; 96 } 97 98 inline _bstr_t _com_error::Description() const { 99 BSTR bstr = NULL; 100 if(m_perrinfo!=NULL) m_perrinfo->GetDescription(&bstr); 101 return _bstr_t(bstr,false); 102 } 103 104 inline DWORD _com_error::HelpContext() const throw() { 105 DWORD dwHelpContext = 0; 106 if(m_perrinfo!=NULL) m_perrinfo->GetHelpContext(&dwHelpContext); 107 return dwHelpContext; 108 } 109 110 inline _bstr_t _com_error::HelpFile() const { 111 BSTR bstr = NULL; 112 if(m_perrinfo!=NULL) m_perrinfo->GetHelpFile(&bstr); 113 return _bstr_t(bstr,false); 114 } 115 116 inline _bstr_t _com_error::Source() const { 117 BSTR bstr = NULL; 118 if(m_perrinfo!=NULL) m_perrinfo->GetSource(&bstr); 119 return _bstr_t(bstr,false); 120 } 121 122 inline _GUID _com_error::GUID_() const throw() { 123 _GUID guid; 124 memset (&guid, 0, sizeof (_GUID)); 125 if(m_perrinfo!=NULL) m_perrinfo->GetGUID(&guid); 126 return guid; 127 } 128 129 inline const TCHAR *_com_error::ErrorMessage() const throw() { 130 if(!m_pszMsg) { 131 FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER|FORMAT_MESSAGE_FROM_SYSTEM,NULL,m_hresult,MAKELANGID(LANG_NEUTRAL,SUBLANG_DEFAULT),(LPTSTR)&m_pszMsg,0,NULL); 132 if(m_pszMsg!=NULL) { 133 int nLen = lstrlen(m_pszMsg); 134 if(nLen > 1 && m_pszMsg[nLen - 1]=='\n') { 135 m_pszMsg[nLen-1] = 0; 136 if(m_pszMsg[nLen - 2]=='\r') m_pszMsg[nLen-2] = 0; 137 } 138 } else { 139 m_pszMsg = (LPTSTR)LocalAlloc(0,32 *sizeof(TCHAR)); 140 if(m_pszMsg!=NULL) { 141 WORD wCode = WCode(); 142 if(wCode!=0) { 143 _COM_PRINTF_S_1(m_pszMsg,32,TEXT("IDispatch error #%d"),wCode); 144 } else { 145 _COM_PRINTF_S_1(m_pszMsg,32,TEXT("Unknown error 0x%0lX"),m_hresult); 146 } 147 } 148 } 149 } 150 return m_pszMsg; 151 } 152 153 inline HRESULT _com_error::WCodeToHRESULT(WORD wCode) throw() { return wCode >= 0xFE00 ? WCODE_HRESULT_LAST : WCODE_HRESULT_FIRST + wCode; } 154 inline WORD _com_error::HRESULTToWCode(HRESULT hr) throw() { return (hr >= WCODE_HRESULT_FIRST && hr <= WCODE_HRESULT_LAST) ? WORD(hr - WCODE_HRESULT_FIRST) : 0; } 155 156 inline void _com_error::Dtor() throw() { 157 if(m_perrinfo!=NULL) m_perrinfo->Release(); 158 if(m_pszMsg!=NULL) LocalFree((HLOCAL)m_pszMsg); 159 } 160 161 inline void _com_error::Ctor(const _com_error &that) throw() { 162 m_hresult = that.m_hresult; 163 m_perrinfo = that.m_perrinfo; 164 m_pszMsg = NULL; 165 if(m_perrinfo!=NULL) m_perrinfo->AddRef(); 166 } 167 168 inline void _com_issue_error(HRESULT hr) { 169 #if __EXCEPTIONS 170 throw _com_error(hr); 171 #else 172 /* This is designed to use exceptions. If exceptions are disabled, there is not much we can do here. */ 173 __debugbreak(); 174 #endif 175 } 176 177 178 typedef int __missing_type__; 179 180 #if !defined(_COM_SMARTPTR) 181 #if !defined(_INC_COMIP) 182 #include <comip.h> 183 #endif 184 #define _COM_SMARTPTR _com_ptr_t 185 #define _COM_SMARTPTR_LEVEL2 _com_IIID 186 #endif 187 #if defined(_COM_SMARTPTR) 188 #if !defined(_COM_SMARTPTR_TYPEDEF) 189 #if defined(_COM_SMARTPTR_LEVEL2) 190 #ifdef __CRT_UUID_DECL 191 /* With our __uuidof, its result can't be passed directly as a template argument. We have _com_IIID_getter to work around that. */ 192 #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 193 #else 194 #define _COM_SMARTPTR_TYPEDEF(Interface,IID) typedef _COM_SMARTPTR< _COM_SMARTPTR_LEVEL2<Interface, &IID > > Interface ## Ptr 195 #endif 196 #else 197 #define _COM_SMARTPTR_TYPEDEF(Interface,IID) typedef _COM_SMARTPTR<Interface,&IID > Interface ## Ptr 198 #endif 199 #endif 200 #endif 201 202 #if !defined(_COM_NO_STANDARD_GUIDS_) 203 #if defined(__IFontDisp_INTERFACE_DEFINED__) 204 #if !defined(Font) 205 struct Font : IFontDisp {}; 206 #endif 207 _COM_SMARTPTR_TYPEDEF(Font,__uuidof(IDispatch)); 208 209 #endif 210 #if defined(__IFontEventsDisp_INTERFACE_DEFINED__) 211 #if !defined(FontEvents) 212 struct FontEvents : IFontEventsDisp {}; 213 #endif 214 _COM_SMARTPTR_TYPEDEF(FontEvents,__uuidof(IDispatch)); 215 #endif 216 #if defined(__IPictureDisp_INTERFACE_DEFINED__) 217 #if !defined(Picture) 218 struct Picture : IPictureDisp {}; 219 #endif 220 _COM_SMARTPTR_TYPEDEF(Picture,__uuidof(IDispatch)); 221 #endif 222 223 #include "comdefsp.h" 224 #endif 225 #endif 226 227 #endif /* __cplusplus */ 228 229 #endif 230
