3bce6687f4
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@16869 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
1242 lines
29 KiB
C++
1242 lines
29 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: automtn.cpp
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// Purpose: OLE automation utilities
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// Author: Julian Smart
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// Modified by:
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// Created: 11/6/98
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// RCS-ID: $Id$
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// Copyright: (c) 1998, Julian Smart
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// Licence: wxWindows Licence
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/////////////////////////////////////////////////////////////////////////////
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#ifdef __GNUG__
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#pragma implementation "automtn.h"
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#endif
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// For compilers that support precompilation, includes "wx.h".
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#include "wx/wxprec.h"
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#if defined(__BORLANDC__)
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#pragma hdrstop
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#endif
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#include "wx/defs.h"
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// Watcom C++ gives a linker error if this is compiled in.
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// With Borland C++, all samples crash if this is compiled in.
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#if wxUSE_OLE &&!defined(__WATCOMC__) && !(defined(__BORLANDC__) && (__BORLANDC__ < 0x520)) && !defined(__CYGWIN10__) && !defined(__WXWINE__)
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#include "wx/log.h"
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#include "wx/msw/ole/automtn.h"
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#include "wx/msw/private.h"
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#include <math.h>
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#include <time.h>
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#include <wtypes.h>
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#include <unknwn.h>
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#include <ole2.h>
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#define _huge
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#include <ole2ver.h>
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#include <oleauto.h>
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// wrapper around BSTR type (by Vadim Zeitlin)
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class WXDLLEXPORT BasicString
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{
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public:
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// ctors & dtor
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BasicString(const char *sz);
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~BasicString();
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// accessors
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// just get the string
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operator BSTR() const { return m_wzBuf; }
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// retrieve a copy of our string - caller must SysFreeString() it later!
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BSTR Get() const { return SysAllocString(m_wzBuf); }
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private:
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// @@@ not implemented (but should be)
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BasicString(const BasicString&);
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BasicString& operator=(const BasicString&);
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OLECHAR *m_wzBuf; // actual string
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};
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// Convert variants
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static bool ConvertVariantToOle(const wxVariant& variant, VARIANTARG& oleVariant) ;
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static bool ConvertOleToVariant(const VARIANTARG& oleVariant, wxVariant& variant) ;
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// Convert string to Unicode
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static BSTR ConvertStringToOle(const wxString& str);
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// Convert string from BSTR to wxString
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static wxString ConvertStringFromOle(BSTR bStr);
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// Verifies will fail if the needed buffer size is too large
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#define MAX_TIME_BUFFER_SIZE 128 // matches that in timecore.cpp
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#define MIN_DATE (-657434L) // about year 100
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#define MAX_DATE 2958465L // about year 9999
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// Half a second, expressed in days
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#define HALF_SECOND (1.0/172800.0)
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// One-based array of days in year at month start
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static int rgMonthDays[13] =
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{0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365};
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#if wxUSE_TIMEDATE
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static BOOL OleDateFromTm(WORD wYear, WORD wMonth, WORD wDay,
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WORD wHour, WORD wMinute, WORD wSecond, DATE& dtDest);
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static BOOL TmFromOleDate(DATE dtSrc, struct tm& tmDest);
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#endif // wxUSE_TIMEDATE
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static void ClearVariant(VARIANTARG *pvarg) ;
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static void ReleaseVariant(VARIANTARG *pvarg) ;
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// static void ShowException(LPOLESTR szMember, HRESULT hr, EXCEPINFO *pexcep, unsigned int uiArgErr);
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/*
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* wxAutomationObject
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*/
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wxAutomationObject::wxAutomationObject(WXIDISPATCH* dispatchPtr)
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{
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m_dispatchPtr = dispatchPtr;
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}
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wxAutomationObject::~wxAutomationObject()
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{
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if (m_dispatchPtr)
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{
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((IDispatch*)m_dispatchPtr)->Release();
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m_dispatchPtr = NULL;
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}
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}
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#define INVOKEARG(i) (args ? args[i] : *(ptrArgs[i]))
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// For Put/Get, no named arguments are allowed.
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bool wxAutomationObject::Invoke(const wxString& member, int action,
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wxVariant& retValue, int noArgs, wxVariant args[], const wxVariant* ptrArgs[]) const
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{
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if (!m_dispatchPtr)
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return FALSE;
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// nonConstMember is necessary because the wxString class doesn't have enough consts...
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wxString nonConstMember(member);
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int ch = nonConstMember.Find('.');
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if (ch != -1)
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{
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// Use dot notation to get the next object
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wxString member2(nonConstMember.Left((size_t) ch));
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wxString rest(nonConstMember.Right(nonConstMember.Length() - ch - 1));
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wxAutomationObject obj;
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if (!GetObject(obj, member2))
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return FALSE;
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return obj.Invoke(rest, action, retValue, noArgs, args, ptrArgs);
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}
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VARIANTARG vReturn;
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ClearVariant(& vReturn);
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VARIANTARG* vReturnPtr = & vReturn;
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// Find number of names args
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int namedArgCount = 0;
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int i;
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for (i = 0; i < noArgs; i++)
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if (!INVOKEARG(i).GetName().IsNull())
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{
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namedArgCount ++;
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}
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int namedArgStringCount = namedArgCount + 1;
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BSTR* argNames = new BSTR[namedArgStringCount];
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argNames[0] = ConvertStringToOle(member);
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// Note that arguments are specified in reverse order
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// (all totally logical; hey, we're dealing with OLE here.)
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int j = 0;
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for (i = 0; i < namedArgCount; i++)
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{
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if (!INVOKEARG(i).GetName().IsNull())
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{
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argNames[(namedArgCount-j)] = ConvertStringToOle(INVOKEARG(i).GetName());
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j ++;
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}
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}
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// + 1 for the member name, + 1 again in case we're a 'put'
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DISPID* dispIds = new DISPID[namedArgCount + 2];
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HRESULT hr;
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DISPPARAMS dispparams;
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unsigned int uiArgErr;
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EXCEPINFO excep;
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// Get the IDs for the member and its arguments. GetIDsOfNames expects the
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// member name as the first name, followed by argument names (if any).
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hr = ((IDispatch*)m_dispatchPtr)->GetIDsOfNames(IID_NULL, argNames,
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1 + namedArgCount, LOCALE_SYSTEM_DEFAULT, dispIds);
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if (FAILED(hr))
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{
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// ShowException(szMember, hr, NULL, 0);
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return FALSE;
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}
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// if doing a property put(ref), we need to adjust the first argument to have a
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// named arg of DISPID_PROPERTYPUT.
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if (action & (DISPATCH_PROPERTYPUT | DISPATCH_PROPERTYPUTREF))
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{
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namedArgCount = 1;
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dispIds[1] = DISPID_PROPERTYPUT;
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vReturnPtr = (VARIANTARG*) NULL;
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}
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// Convert the wxVariants to VARIANTARGs
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VARIANTARG* oleArgs = new VARIANTARG[noArgs];
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for (i = 0; i < noArgs; i++)
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{
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// Again, reverse args
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if (!ConvertVariantToOle(INVOKEARG((noArgs-1) - i), oleArgs[i]))
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return FALSE; // TODO: clean up memory at this point
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}
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dispparams.rgdispidNamedArgs = dispIds + 1;
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dispparams.rgvarg = oleArgs;
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dispparams.cArgs = noArgs;
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dispparams.cNamedArgs = namedArgCount;
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excep.pfnDeferredFillIn = NULL;
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hr = ((IDispatch*)m_dispatchPtr)->Invoke(dispIds[0], IID_NULL, LOCALE_SYSTEM_DEFAULT,
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action, &dispparams, vReturnPtr, &excep, &uiArgErr);
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for (i = 0; i < namedArgStringCount; i++)
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{
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SysFreeString(argNames[i]);
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}
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delete[] argNames;
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delete[] dispIds;
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for (i = 0; i < noArgs; i++)
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ReleaseVariant(& oleArgs[i]) ;
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delete[] oleArgs;
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if (FAILED(hr))
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{
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// display the exception information if appropriate:
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// ShowException((const char*) member, hr, &excep, uiArgErr);
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// free exception structure information
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SysFreeString(excep.bstrSource);
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SysFreeString(excep.bstrDescription);
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SysFreeString(excep.bstrHelpFile);
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if (vReturnPtr)
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ReleaseVariant(vReturnPtr);
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return FALSE;
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}
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else
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{
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if (vReturnPtr)
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{
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// Convert result to wxVariant form
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ConvertOleToVariant(vReturn, retValue);
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// Mustn't release the dispatch pointer
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if (vReturn.vt == VT_DISPATCH)
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{
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vReturn.pdispVal = (IDispatch*) NULL;
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}
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ReleaseVariant(& vReturn);
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}
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}
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return TRUE;
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}
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// Invoke a member function
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wxVariant wxAutomationObject::CallMethod(const wxString& member, int noArgs, wxVariant args[])
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{
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wxVariant retVariant;
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if (!Invoke(member, DISPATCH_METHOD, retVariant, noArgs, args))
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{
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retVariant.MakeNull();
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}
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return retVariant;
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}
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wxVariant wxAutomationObject::CallMethodArray(const wxString& member, int noArgs, const wxVariant **args)
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{
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wxVariant retVariant;
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if (!Invoke(member, DISPATCH_METHOD, retVariant, noArgs, NULL, args))
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{
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retVariant.MakeNull();
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}
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return retVariant;
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}
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wxVariant wxAutomationObject::CallMethod(const wxString& member,
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const wxVariant& arg1, const wxVariant& arg2,
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const wxVariant& arg3, const wxVariant& arg4,
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const wxVariant& arg5, const wxVariant& arg6)
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{
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const wxVariant** args = new const wxVariant*[6];
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int i = 0;
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if (!arg1.IsNull())
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{
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args[i] = & arg1;
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i ++;
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}
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if (!arg2.IsNull())
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{
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args[i] = & arg2;
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i ++;
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}
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if (!arg3.IsNull())
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{
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args[i] = & arg3;
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i ++;
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}
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if (!arg4.IsNull())
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{
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args[i] = & arg4;
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i ++;
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}
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if (!arg5.IsNull())
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{
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args[i] = & arg5;
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i ++;
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}
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if (!arg6.IsNull())
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{
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args[i] = & arg6;
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i ++;
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}
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wxVariant retVariant;
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if (!Invoke(member, DISPATCH_METHOD, retVariant, i, NULL, args))
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{
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retVariant.MakeNull();
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}
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delete[] args;
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return retVariant;
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}
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// Get/Set property
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wxVariant wxAutomationObject::GetPropertyArray(const wxString& property, int noArgs, const wxVariant **args) const
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{
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wxVariant retVariant;
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if (!Invoke(property, DISPATCH_PROPERTYGET, retVariant, noArgs, NULL, args))
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{
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retVariant.MakeNull();
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}
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return retVariant;
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}
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wxVariant wxAutomationObject::GetProperty(const wxString& property, int noArgs, wxVariant args[]) const
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{
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wxVariant retVariant;
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if (!Invoke(property, DISPATCH_PROPERTYGET, retVariant, noArgs, args))
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{
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retVariant.MakeNull();
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}
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return retVariant;
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}
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wxVariant wxAutomationObject::GetProperty(const wxString& property,
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const wxVariant& arg1, const wxVariant& arg2,
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const wxVariant& arg3, const wxVariant& arg4,
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const wxVariant& arg5, const wxVariant& arg6)
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{
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const wxVariant** args = new const wxVariant*[6];
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int i = 0;
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if (!arg1.IsNull())
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{
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args[i] = & arg1;
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i ++;
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}
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if (!arg2.IsNull())
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{
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args[i] = & arg2;
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i ++;
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}
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if (!arg3.IsNull())
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{
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args[i] = & arg3;
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i ++;
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}
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if (!arg4.IsNull())
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{
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args[i] = & arg4;
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i ++;
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}
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if (!arg5.IsNull())
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{
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args[i] = & arg5;
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i ++;
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}
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if (!arg6.IsNull())
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{
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args[i] = & arg6;
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i ++;
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}
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wxVariant retVariant;
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if (!Invoke(property, DISPATCH_PROPERTYGET, retVariant, i, NULL, args))
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{
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retVariant.MakeNull();
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}
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delete[] args;
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return retVariant;
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}
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bool wxAutomationObject::PutProperty(const wxString& property, int noArgs, wxVariant args[])
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{
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wxVariant retVariant;
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if (!Invoke(property, DISPATCH_PROPERTYPUT, retVariant, noArgs, args))
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{
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return FALSE;
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}
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return TRUE;
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}
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bool wxAutomationObject::PutPropertyArray(const wxString& property, int noArgs, const wxVariant **args)
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{
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wxVariant retVariant;
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if (!Invoke(property, DISPATCH_PROPERTYPUT, retVariant, noArgs, NULL, args))
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{
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return FALSE;
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}
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return TRUE;
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}
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bool wxAutomationObject::PutProperty(const wxString& property,
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const wxVariant& arg1, const wxVariant& arg2,
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const wxVariant& arg3, const wxVariant& arg4,
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const wxVariant& arg5, const wxVariant& arg6)
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{
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const wxVariant** args = new const wxVariant*[6];
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int i = 0;
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if (!arg1.IsNull())
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{
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args[i] = & arg1;
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i ++;
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}
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if (!arg2.IsNull())
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{
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args[i] = & arg2;
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i ++;
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}
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if (!arg3.IsNull())
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{
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args[i] = & arg3;
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i ++;
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}
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if (!arg4.IsNull())
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{
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args[i] = & arg4;
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i ++;
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}
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if (!arg5.IsNull())
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{
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args[i] = & arg5;
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i ++;
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}
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if (!arg6.IsNull())
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{
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args[i] = & arg6;
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i ++;
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}
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wxVariant retVariant;
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bool ret = Invoke(property, DISPATCH_PROPERTYPUT, retVariant, i, NULL, args);
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delete[] args;
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return ret;
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}
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// Uses DISPATCH_PROPERTYGET
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// and returns a dispatch pointer. The calling code should call Release
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// on the pointer, though this could be implicit by constructing an wxAutomationObject
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// with it and letting the destructor call Release.
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WXIDISPATCH* wxAutomationObject::GetDispatchProperty(const wxString& property, int noArgs, wxVariant args[]) const
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{
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wxVariant retVariant;
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if (Invoke(property, DISPATCH_PROPERTYGET, retVariant, noArgs, args))
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{
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if (retVariant.GetType() == wxT("void*"))
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{
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return (WXIDISPATCH*) retVariant.GetVoidPtr();
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}
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}
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return (WXIDISPATCH*) NULL;
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}
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// Uses DISPATCH_PROPERTYGET
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// and returns a dispatch pointer. The calling code should call Release
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// on the pointer, though this could be implicit by constructing an wxAutomationObject
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// with it and letting the destructor call Release.
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WXIDISPATCH* wxAutomationObject::GetDispatchProperty(const wxString& property, int noArgs, const wxVariant **args) const
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{
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wxVariant retVariant;
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if (Invoke(property, DISPATCH_PROPERTYGET, retVariant, noArgs, NULL, args))
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{
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if (retVariant.GetType() == wxT("void*"))
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{
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return (WXIDISPATCH*) retVariant.GetVoidPtr();
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}
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}
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return (WXIDISPATCH*) NULL;
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}
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// A way of initialising another wxAutomationObject with a dispatch object
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bool wxAutomationObject::GetObject(wxAutomationObject& obj, const wxString& property, int noArgs, wxVariant args[]) const
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{
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WXIDISPATCH* dispatch = GetDispatchProperty(property, noArgs, args);
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if (dispatch)
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{
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obj.SetDispatchPtr(dispatch);
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return TRUE;
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}
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else
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return FALSE;
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}
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// A way of initialising another wxAutomationObject with a dispatch object
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bool wxAutomationObject::GetObject(wxAutomationObject& obj, const wxString& property, int noArgs, const wxVariant **args) const
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{
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WXIDISPATCH* dispatch = GetDispatchProperty(property, noArgs, args);
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if (dispatch)
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{
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obj.SetDispatchPtr(dispatch);
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return TRUE;
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}
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else
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return FALSE;
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}
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// Get a dispatch pointer from the current object associated
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// with a class id
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bool wxAutomationObject::GetInstance(const wxString& classId) const
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{
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if (m_dispatchPtr)
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return FALSE;
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CLSID clsId;
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IUnknown * pUnk = NULL;
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BasicString unicodeName(classId.mb_str());
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if (FAILED(CLSIDFromProgID((BSTR) unicodeName, &clsId)))
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{
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wxLogWarning(wxT("Cannot obtain CLSID from ProgID"));
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return FALSE;
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}
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if (FAILED(GetActiveObject(clsId, NULL, &pUnk)))
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{
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wxLogWarning(wxT("Cannot find an active object"));
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return FALSE;
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}
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if (pUnk->QueryInterface(IID_IDispatch, (LPVOID*) &m_dispatchPtr) != S_OK)
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{
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wxLogWarning(wxT("Cannot find IDispatch interface"));
|
|
return FALSE;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
// Get a dispatch pointer from a new object associated
|
|
// with the given class id
|
|
bool wxAutomationObject::CreateInstance(const wxString& classId) const
|
|
{
|
|
if (m_dispatchPtr)
|
|
return FALSE;
|
|
|
|
CLSID clsId;
|
|
|
|
BasicString unicodeName(classId.mb_str());
|
|
|
|
if (FAILED(CLSIDFromProgID((BSTR) unicodeName, &clsId)))
|
|
{
|
|
wxLogWarning(wxT("Cannot obtain CLSID from ProgID"));
|
|
return FALSE;
|
|
}
|
|
|
|
// start a new copy of Excel, grab the IDispatch interface
|
|
if (FAILED(CoCreateInstance(clsId, NULL, CLSCTX_LOCAL_SERVER, IID_IDispatch, (void**)&m_dispatchPtr)))
|
|
{
|
|
wxLogWarning(wxT("Cannot start an instance of this class."));
|
|
return FALSE;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
bool ConvertVariantToOle(const wxVariant& variant, VARIANTARG& oleVariant)
|
|
{
|
|
ClearVariant(&oleVariant);
|
|
if (variant.IsNull())
|
|
{
|
|
oleVariant.vt = VT_NULL;
|
|
return TRUE;
|
|
}
|
|
|
|
wxString type(variant.GetType());
|
|
|
|
if (type == wxT("char"))
|
|
{
|
|
oleVariant.vt=VT_I1; // Signed Char
|
|
oleVariant.cVal=variant.GetChar();
|
|
}
|
|
else if (type == wxT("long"))
|
|
{
|
|
oleVariant.vt = VT_I4;
|
|
oleVariant.lVal = variant.GetLong() ;
|
|
}
|
|
else if (type == wxT("double"))
|
|
{
|
|
oleVariant.vt = VT_R8;
|
|
oleVariant.dblVal = variant.GetDouble();
|
|
}
|
|
else if (type == wxT("bool"))
|
|
{
|
|
oleVariant.vt = VT_BOOL;
|
|
// 'bool' required for VC++ 4 apparently
|
|
#if defined(__WATCOMC__) || (defined(__VISUALC__) && (__VISUALC__ <= 1000))
|
|
oleVariant.bool = variant.GetBool();
|
|
#else
|
|
oleVariant.boolVal = variant.GetBool();
|
|
#endif
|
|
}
|
|
else if (type == wxT("string"))
|
|
{
|
|
wxString str( variant.GetString() );
|
|
oleVariant.vt = VT_BSTR;
|
|
oleVariant.bstrVal = ConvertStringToOle(str);
|
|
}
|
|
// For some reason, Watcom C++ can't link variant.cpp with time/date classes compiled
|
|
#if wxUSE_TIMEDATE && !defined(__WATCOMC__)
|
|
else if (type == wxT("date"))
|
|
{
|
|
wxDate date( variant.GetDate() );
|
|
oleVariant.vt = VT_DATE;
|
|
|
|
if (!OleDateFromTm(date.GetYear(), date.GetMonth(), date.GetDay(),
|
|
0, 0, 0, oleVariant.date))
|
|
return FALSE;
|
|
}
|
|
else if (type == wxT("time"))
|
|
{
|
|
wxTime time( variant.GetTime() );
|
|
oleVariant.vt = VT_DATE;
|
|
|
|
if (!OleDateFromTm(time.GetYear(), time.GetMonth(), time.GetDay(),
|
|
time.GetHour(), time.GetMinute(), time.GetSecond(), oleVariant.date))
|
|
return FALSE;
|
|
}
|
|
#endif
|
|
else if (type == wxT("void*"))
|
|
{
|
|
oleVariant.vt = VT_DISPATCH;
|
|
oleVariant.pdispVal = (IDispatch*) variant.GetVoidPtr();
|
|
}
|
|
else if (type == wxT("list") || type == wxT("stringlist"))
|
|
{
|
|
oleVariant.vt = VT_VARIANT | VT_ARRAY;
|
|
|
|
SAFEARRAY *psa;
|
|
SAFEARRAYBOUND saBound;
|
|
VARIANTARG *pvargBase;
|
|
VARIANTARG *pvarg;
|
|
int i, j;
|
|
|
|
int iCount = variant.GetCount();
|
|
|
|
saBound.lLbound = 0;
|
|
saBound.cElements = iCount;
|
|
|
|
psa = SafeArrayCreate(VT_VARIANT, 1, &saBound);
|
|
if (psa == NULL)
|
|
return FALSE;
|
|
|
|
SafeArrayAccessData(psa, (void**)&pvargBase);
|
|
|
|
pvarg = pvargBase;
|
|
for (i = 0; i < iCount; i++)
|
|
{
|
|
// copy each string in the list of strings
|
|
wxVariant eachVariant(variant[i]);
|
|
if (!ConvertVariantToOle(eachVariant, * pvarg))
|
|
{
|
|
// memory failure: back out and free strings alloc'ed up to
|
|
// now, and then the array itself.
|
|
pvarg = pvargBase;
|
|
for (j = 0; j < i; j++)
|
|
{
|
|
SysFreeString(pvarg->bstrVal);
|
|
pvarg++;
|
|
}
|
|
SafeArrayDestroy(psa);
|
|
return FALSE;
|
|
}
|
|
pvarg++;
|
|
}
|
|
|
|
SafeArrayUnaccessData(psa);
|
|
|
|
oleVariant.parray = psa;
|
|
}
|
|
else
|
|
{
|
|
oleVariant.vt = VT_NULL;
|
|
return FALSE;
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
#ifndef VT_TYPEMASK
|
|
#define VT_TYPEMASK 0xfff
|
|
#endif
|
|
|
|
bool ConvertOleToVariant(const VARIANTARG& oleVariant, wxVariant& variant)
|
|
{
|
|
switch (oleVariant.vt & VT_TYPEMASK)
|
|
{
|
|
case VT_BSTR:
|
|
{
|
|
wxString str(ConvertStringFromOle(oleVariant.bstrVal));
|
|
variant = str;
|
|
break;
|
|
}
|
|
case VT_DATE:
|
|
{
|
|
#if wxUSE_TIMEDATE
|
|
struct tm tmTemp;
|
|
if (!TmFromOleDate(oleVariant.date, tmTemp))
|
|
return FALSE;
|
|
|
|
wxDate date(tmTemp.tm_yday, tmTemp.tm_mon, tmTemp.tm_year);
|
|
wxTime time(date, tmTemp.tm_hour, tmTemp.tm_min, tmTemp.tm_sec);
|
|
|
|
variant = time;
|
|
#endif
|
|
|
|
break;
|
|
}
|
|
case VT_I4:
|
|
{
|
|
variant = (long) oleVariant.lVal;
|
|
break;
|
|
}
|
|
case VT_I2:
|
|
{
|
|
variant = (long) oleVariant.iVal;
|
|
break;
|
|
}
|
|
|
|
case VT_BOOL:
|
|
{
|
|
#if defined(__WATCOMC__) || (defined(_MSC_VER) && (_MSC_VER <= 1000) && !defined(__MWERKS__) ) //GC
|
|
#ifndef HAVE_BOOL // Can't use bool operator if no native bool type
|
|
variant = (long) (oleVariant.bool != 0);
|
|
#else
|
|
variant = (bool) (oleVariant.bool != 0);
|
|
#endif
|
|
#else
|
|
#ifndef HAVE_BOOL // Can't use bool operator if no native bool type
|
|
variant = (long) (oleVariant.boolVal != 0);
|
|
#else
|
|
variant = (bool) (oleVariant.boolVal != 0);
|
|
#endif
|
|
#endif
|
|
break;
|
|
}
|
|
case VT_R8:
|
|
{
|
|
variant = oleVariant.dblVal;
|
|
break;
|
|
}
|
|
case VT_ARRAY:
|
|
{
|
|
variant.ClearList();
|
|
|
|
int cDims, cElements, i;
|
|
VARIANTARG* pvdata;
|
|
|
|
// Iterate the dimensions: number of elements is x*y*z
|
|
for (cDims = 0, cElements = 1;
|
|
cDims < oleVariant.parray->cDims; cDims ++)
|
|
cElements *= oleVariant.parray->rgsabound[cDims].cElements;
|
|
|
|
// Get a pointer to the data
|
|
HRESULT hr = SafeArrayAccessData(oleVariant.parray, (void HUGEP* FAR*) & pvdata);
|
|
if (hr != NOERROR)
|
|
return FALSE;
|
|
// Iterate the data.
|
|
for (i = 0; i < cElements; i++)
|
|
{
|
|
VARIANTARG& oleElement = pvdata[i];
|
|
wxVariant vElement;
|
|
if (!ConvertOleToVariant(oleElement, vElement))
|
|
return FALSE;
|
|
|
|
variant.Append(vElement);
|
|
}
|
|
SafeArrayUnaccessData(oleVariant.parray);
|
|
break;
|
|
}
|
|
case VT_DISPATCH:
|
|
{
|
|
variant = (void*) oleVariant.pdispVal;
|
|
break;
|
|
}
|
|
case VT_NULL:
|
|
{
|
|
variant.MakeNull();
|
|
break;
|
|
}
|
|
case VT_EMPTY:
|
|
{
|
|
break; // Ignore Empty Variant, used only during destruction of objects
|
|
}
|
|
default:
|
|
{
|
|
wxLogError(wxT("wxAutomationObject::ConvertOleToVariant: Unknown variant value type"));
|
|
return FALSE;
|
|
}
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
static BSTR ConvertStringToOle(const wxString& str)
|
|
{
|
|
/*
|
|
unsigned int len = strlen((const char*) str);
|
|
unsigned short* s = new unsigned short[len*2+2];
|
|
unsigned int i;
|
|
memset(s, 0, len*2+2);
|
|
for (i=0; i < len; i++)
|
|
s[i*2] = str[i];
|
|
*/
|
|
BasicString bstr(str.mb_str());
|
|
return bstr.Get();
|
|
}
|
|
|
|
static wxString ConvertStringFromOle(BSTR bStr)
|
|
{
|
|
int len = SysStringLen(bStr) + 1;
|
|
char *buf = new char[len];
|
|
(void)wcstombs( buf, bStr, len);
|
|
|
|
wxString str(buf);
|
|
delete[] buf;
|
|
return str;
|
|
}
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// BasicString
|
|
// ----------------------------------------------------------------------------
|
|
|
|
// ctor takes an ANSI string and transforms it to Unicode
|
|
BasicString::BasicString(const char *sz)
|
|
{
|
|
// get the size of required buffer
|
|
UINT lenAnsi = strlen(sz);
|
|
#ifdef __MWERKS__
|
|
UINT lenWide = lenAnsi * 2 ;
|
|
#else
|
|
UINT lenWide = mbstowcs(NULL, sz, lenAnsi);
|
|
#endif
|
|
|
|
if ( lenWide > 0 ) {
|
|
m_wzBuf = new OLECHAR[lenWide + 1];
|
|
mbstowcs(m_wzBuf, sz, lenAnsi);
|
|
m_wzBuf[lenWide] = L'\0';
|
|
}
|
|
else {
|
|
m_wzBuf = NULL;
|
|
}
|
|
}
|
|
|
|
// dtor frees memory
|
|
BasicString::~BasicString()
|
|
{
|
|
delete [] m_wzBuf;
|
|
}
|
|
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
// COleDateTime class HELPERS - implementation
|
|
|
|
BOOL OleDateFromTm(WORD wYear, WORD wMonth, WORD wDay,
|
|
WORD wHour, WORD wMinute, WORD wSecond, DATE& dtDest)
|
|
{
|
|
// Validate year and month (ignore day of week and milliseconds)
|
|
if (wYear > 9999 || wMonth < 1 || wMonth > 12)
|
|
return FALSE;
|
|
|
|
// Check for leap year and set the number of days in the month
|
|
BOOL bLeapYear = ((wYear & 3) == 0) &&
|
|
((wYear % 100) != 0 || (wYear % 400) == 0);
|
|
|
|
int nDaysInMonth =
|
|
rgMonthDays[wMonth] - rgMonthDays[wMonth-1] +
|
|
((bLeapYear && wDay == 29 && wMonth == 2) ? 1 : 0);
|
|
|
|
// Finish validating the date
|
|
if (wDay < 1 || wDay > nDaysInMonth ||
|
|
wHour > 23 || wMinute > 59 ||
|
|
wSecond > 59)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
// Cache the date in days and time in fractional days
|
|
long nDate;
|
|
double dblTime;
|
|
|
|
//It is a valid date; make Jan 1, 1AD be 1
|
|
nDate = wYear*365L + wYear/4 - wYear/100 + wYear/400 +
|
|
rgMonthDays[wMonth-1] + wDay;
|
|
|
|
// If leap year and it's before March, subtract 1:
|
|
if (wMonth <= 2 && bLeapYear)
|
|
--nDate;
|
|
|
|
// Offset so that 12/30/1899 is 0
|
|
nDate -= 693959L;
|
|
|
|
dblTime = (((long)wHour * 3600L) + // hrs in seconds
|
|
((long)wMinute * 60L) + // mins in seconds
|
|
((long)wSecond)) / 86400.;
|
|
|
|
dtDest = (double) nDate + ((nDate >= 0) ? dblTime : -dblTime);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
BOOL TmFromOleDate(DATE dtSrc, struct tm& tmDest)
|
|
{
|
|
// The legal range does not actually span year 0 to 9999.
|
|
if (dtSrc > MAX_DATE || dtSrc < MIN_DATE) // about year 100 to about 9999
|
|
return FALSE;
|
|
|
|
long nDays; // Number of days since Dec. 30, 1899
|
|
long nDaysAbsolute; // Number of days since 1/1/0
|
|
long nSecsInDay; // Time in seconds since midnight
|
|
long nMinutesInDay; // Minutes in day
|
|
|
|
long n400Years; // Number of 400 year increments since 1/1/0
|
|
long n400Century; // Century within 400 year block (0,1,2 or 3)
|
|
long n4Years; // Number of 4 year increments since 1/1/0
|
|
long n4Day; // Day within 4 year block
|
|
// (0 is 1/1/yr1, 1460 is 12/31/yr4)
|
|
long n4Yr; // Year within 4 year block (0,1,2 or 3)
|
|
BOOL bLeap4 = TRUE; // TRUE if 4 year block includes leap year
|
|
|
|
double dblDate = dtSrc; // tempory serial date
|
|
|
|
// If a valid date, then this conversion should not overflow
|
|
nDays = (long)dblDate;
|
|
|
|
// Round to the second
|
|
dblDate += ((dtSrc > 0.0) ? HALF_SECOND : -HALF_SECOND);
|
|
|
|
nDaysAbsolute = (long)dblDate + 693959L; // Add days from 1/1/0 to 12/30/1899
|
|
|
|
dblDate = fabs(dblDate);
|
|
nSecsInDay = (long)((dblDate - floor(dblDate)) * 86400.);
|
|
|
|
// Calculate the day of week (sun=1, mon=2...)
|
|
// -1 because 1/1/0 is Sat. +1 because we want 1-based
|
|
tmDest.tm_wday = (int)((nDaysAbsolute - 1) % 7L) + 1;
|
|
|
|
// Leap years every 4 yrs except centuries not multiples of 400.
|
|
n400Years = (long)(nDaysAbsolute / 146097L);
|
|
|
|
// Set nDaysAbsolute to day within 400-year block
|
|
nDaysAbsolute %= 146097L;
|
|
|
|
// -1 because first century has extra day
|
|
n400Century = (long)((nDaysAbsolute - 1) / 36524L);
|
|
|
|
// Non-leap century
|
|
if (n400Century != 0)
|
|
{
|
|
// Set nDaysAbsolute to day within century
|
|
nDaysAbsolute = (nDaysAbsolute - 1) % 36524L;
|
|
|
|
// +1 because 1st 4 year increment has 1460 days
|
|
n4Years = (long)((nDaysAbsolute + 1) / 1461L);
|
|
|
|
if (n4Years != 0)
|
|
n4Day = (long)((nDaysAbsolute + 1) % 1461L);
|
|
else
|
|
{
|
|
bLeap4 = FALSE;
|
|
n4Day = (long)nDaysAbsolute;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// Leap century - not special case!
|
|
n4Years = (long)(nDaysAbsolute / 1461L);
|
|
n4Day = (long)(nDaysAbsolute % 1461L);
|
|
}
|
|
|
|
if (bLeap4)
|
|
{
|
|
// -1 because first year has 366 days
|
|
n4Yr = (n4Day - 1) / 365;
|
|
|
|
if (n4Yr != 0)
|
|
n4Day = (n4Day - 1) % 365;
|
|
}
|
|
else
|
|
{
|
|
n4Yr = n4Day / 365;
|
|
n4Day %= 365;
|
|
}
|
|
|
|
// n4Day is now 0-based day of year. Save 1-based day of year, year number
|
|
tmDest.tm_yday = (int)n4Day + 1;
|
|
tmDest.tm_year = n400Years * 400 + n400Century * 100 + n4Years * 4 + n4Yr;
|
|
|
|
// Handle leap year: before, on, and after Feb. 29.
|
|
if (n4Yr == 0 && bLeap4)
|
|
{
|
|
// Leap Year
|
|
if (n4Day == 59)
|
|
{
|
|
/* Feb. 29 */
|
|
tmDest.tm_mon = 2;
|
|
tmDest.tm_mday = 29;
|
|
goto DoTime;
|
|
}
|
|
|
|
// Pretend it's not a leap year for month/day comp.
|
|
if (n4Day >= 60)
|
|
--n4Day;
|
|
}
|
|
|
|
// Make n4DaY a 1-based day of non-leap year and compute
|
|
// month/day for everything but Feb. 29.
|
|
++n4Day;
|
|
|
|
// Month number always >= n/32, so save some loop time */
|
|
for (tmDest.tm_mon = (n4Day >> 5) + 1;
|
|
n4Day > rgMonthDays[tmDest.tm_mon]; tmDest.tm_mon++);
|
|
|
|
tmDest.tm_mday = (int)(n4Day - rgMonthDays[tmDest.tm_mon-1]);
|
|
|
|
DoTime:
|
|
if (nSecsInDay == 0)
|
|
tmDest.tm_hour = tmDest.tm_min = tmDest.tm_sec = 0;
|
|
else
|
|
{
|
|
tmDest.tm_sec = (int)nSecsInDay % 60L;
|
|
nMinutesInDay = nSecsInDay / 60L;
|
|
tmDest.tm_min = (int)nMinutesInDay % 60;
|
|
tmDest.tm_hour = (int)nMinutesInDay / 60;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
// this function is not used
|
|
#if 0
|
|
void TmConvertToStandardFormat(struct tm& tmSrc)
|
|
{
|
|
// Convert afx internal tm to format expected by runtimes (_tcsftime, etc)
|
|
tmSrc.tm_year -= 1900; // year is based on 1900
|
|
tmSrc.tm_mon -= 1; // month of year is 0-based
|
|
tmSrc.tm_wday -= 1; // day of week is 0-based
|
|
tmSrc.tm_yday -= 1; // day of year is 0-based
|
|
}
|
|
|
|
double DoubleFromDate(DATE dt)
|
|
{
|
|
// No problem if positive
|
|
if (dt >= 0)
|
|
return dt;
|
|
|
|
// If negative, must convert since negative dates not continuous
|
|
// (examples: -1.25 to -.75, -1.50 to -.50, -1.75 to -.25)
|
|
double temp = ceil(dt);
|
|
return temp - (dt - temp);
|
|
}
|
|
|
|
DATE DateFromDouble(double dbl)
|
|
{
|
|
// No problem if positive
|
|
if (dbl >= 0)
|
|
return dbl;
|
|
|
|
// If negative, must convert since negative dates not continuous
|
|
// (examples: -.75 to -1.25, -.50 to -1.50, -.25 to -1.75)
|
|
double temp = floor(dbl); // dbl is now whole part
|
|
return temp + (temp - dbl);
|
|
}
|
|
#endif // 0
|
|
|
|
/*
|
|
* ClearVariant
|
|
*
|
|
* Zeros a variant structure without regard to current contents
|
|
*/
|
|
static void ClearVariant(VARIANTARG *pvarg)
|
|
{
|
|
pvarg->vt = VT_EMPTY;
|
|
pvarg->wReserved1 = 0;
|
|
pvarg->wReserved2 = 0;
|
|
pvarg->wReserved3 = 0;
|
|
pvarg->lVal = 0;
|
|
}
|
|
|
|
/*
|
|
* ReleaseVariant
|
|
*
|
|
* Clears a particular variant structure and releases any external objects
|
|
* or memory contained in the variant. Supports the data types listed above.
|
|
*/
|
|
static void ReleaseVariant(VARIANTARG *pvarg)
|
|
{
|
|
VARTYPE vt;
|
|
VARIANTARG _huge *pvargArray;
|
|
long lLBound, lUBound, l;
|
|
|
|
vt = pvarg->vt & 0xfff; // mask off flags
|
|
|
|
// check if an array. If so, free its contents, then the array itself.
|
|
if (V_ISARRAY(pvarg))
|
|
{
|
|
// variant arrays are all this routine currently knows about. Since a
|
|
// variant can contain anything (even other arrays), call ourselves
|
|
// recursively.
|
|
if (vt == VT_VARIANT)
|
|
{
|
|
SafeArrayGetLBound(pvarg->parray, 1, &lLBound);
|
|
SafeArrayGetUBound(pvarg->parray, 1, &lUBound);
|
|
|
|
if (lUBound > lLBound)
|
|
{
|
|
lUBound -= lLBound;
|
|
|
|
SafeArrayAccessData(pvarg->parray, (void**)&pvargArray);
|
|
|
|
for (l = 0; l < lUBound; l++)
|
|
{
|
|
ReleaseVariant(pvargArray);
|
|
pvargArray++;
|
|
}
|
|
|
|
SafeArrayUnaccessData(pvarg->parray);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
wxLogWarning(wxT("ReleaseVariant: Array contains non-variant type"));
|
|
}
|
|
|
|
// Free the array itself.
|
|
SafeArrayDestroy(pvarg->parray);
|
|
}
|
|
else
|
|
{
|
|
switch (vt)
|
|
{
|
|
case VT_DISPATCH:
|
|
if (pvarg->pdispVal)
|
|
pvarg->pdispVal->Release();
|
|
break;
|
|
|
|
case VT_BSTR:
|
|
SysFreeString(pvarg->bstrVal);
|
|
break;
|
|
|
|
case VT_I2:
|
|
case VT_BOOL:
|
|
case VT_R8:
|
|
case VT_ERROR: // to avoid erroring on an error return from Excel
|
|
// no work for these types
|
|
break;
|
|
|
|
default:
|
|
wxLogWarning(wxT("ReleaseVariant: Unknown type"));
|
|
break;
|
|
}
|
|
}
|
|
|
|
ClearVariant(pvarg);
|
|
}
|
|
|
|
#if 0
|
|
|
|
void ShowException(LPOLESTR szMember, HRESULT hr, EXCEPINFO *pexcep, unsigned int uiArgErr)
|
|
{
|
|
TCHAR szBuf[512];
|
|
|
|
switch (GetScode(hr))
|
|
{
|
|
case DISP_E_UNKNOWNNAME:
|
|
wsprintf(szBuf, L"%s: Unknown name or named argument.", szMember);
|
|
break;
|
|
|
|
case DISP_E_BADPARAMCOUNT:
|
|
wsprintf(szBuf, L"%s: Incorrect number of arguments.", szMember);
|
|
break;
|
|
|
|
case DISP_E_EXCEPTION:
|
|
wsprintf(szBuf, L"%s: Error %d: ", szMember, pexcep->wCode);
|
|
if (pexcep->bstrDescription != NULL)
|
|
lstrcat(szBuf, pexcep->bstrDescription);
|
|
else
|
|
lstrcat(szBuf, L"<<No Description>>");
|
|
break;
|
|
|
|
case DISP_E_MEMBERNOTFOUND:
|
|
wsprintf(szBuf, L"%s: method or property not found.", szMember);
|
|
break;
|
|
|
|
case DISP_E_OVERFLOW:
|
|
wsprintf(szBuf, L"%s: Overflow while coercing argument values.", szMember);
|
|
break;
|
|
|
|
case DISP_E_NONAMEDARGS:
|
|
wsprintf(szBuf, L"%s: Object implementation does not support named arguments.",
|
|
szMember);
|
|
break;
|
|
|
|
case DISP_E_UNKNOWNLCID:
|
|
wsprintf(szBuf, L"%s: The locale ID is unknown.", szMember);
|
|
break;
|
|
|
|
case DISP_E_PARAMNOTOPTIONAL:
|
|
wsprintf(szBuf, L"%s: Missing a required parameter.", szMember);
|
|
break;
|
|
|
|
case DISP_E_PARAMNOTFOUND:
|
|
wsprintf(szBuf, L"%s: Argument not found, argument %d.", szMember, uiArgErr);
|
|
break;
|
|
|
|
case DISP_E_TYPEMISMATCH:
|
|
wsprintf(szBuf, L"%s: Type mismatch, argument %d.", szMember, uiArgErr);
|
|
break;
|
|
|
|
default:
|
|
wsprintf(szBuf, L"%s: Unknown error occured.", szMember);
|
|
break;
|
|
}
|
|
|
|
wxLogWarning(szBuf);
|
|
}
|
|
|
|
#endif
|
|
|
|
#endif // __WATCOMC__
|
|
|