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1///////////////////////////////////////////////////////////////////////////////
2// Name: src/msw/ole/oleutils.cpp
3// Purpose: implementation of OLE helper functions
4// Author: Vadim Zeitlin
5// Modified by:
6// Created: 19.02.98
7// RCS-ID: $Id$
8// Copyright: (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
9// Licence: wxWindows licence
10///////////////////////////////////////////////////////////////////////////////
11
12// ============================================================================
13// Declarations
14// ============================================================================
15
16// ----------------------------------------------------------------------------
17// headers
18// ----------------------------------------------------------------------------
19
20// For compilers that support precompilation, includes "wx.h".
21#include "wx/wxprec.h"
22
23#if defined(__BORLANDC__)
24 #pragma hdrstop
25#endif
26
27#if wxUSE_OLE
28
29#ifndef WX_PRECOMP
30 #include "wx/log.h"
31#endif
32
33#ifndef __CYGWIN10__
34
35#include "wx/msw/private.h"
36
37#ifdef __WXWINCE__
38 #include <winreg.h>
39 #include <ole2.h>
40
41 #define GUID_DEFINED
42 #define UUID_DEFINED
43#endif
44
45// OLE
46#ifndef __WXWINCE__
47#include "wx/msw/ole/uuid.h"
48#endif
49
50#include "wx/msw/ole/oleutils.h"
51
52#if defined(__VISUALC__) && (__VISUALC__ > 1000)
53 #include <docobj.h>
54#endif
55
56// ============================================================================
57// Implementation
58// ============================================================================
59
60// return true if the iid is in the array
61bool IsIidFromList(REFIID riid, const IID *aIids[], size_t nCount)
62{
63 for ( size_t i = 0; i < nCount; i++ ) {
64 if ( riid == *aIids[i] )
65 return true;
66 }
67
68 return false;
69}
70
71WXDLLEXPORT BSTR wxConvertStringToOle(const wxString& str)
72{
73 return wxBasicString(str).Get();
74}
75
76WXDLLEXPORT wxString wxConvertStringFromOle(BSTR bStr)
77{
78 // NULL BSTR is equivalent to an empty string (this is the convention used
79 // by VB and hence we must follow it)
80 if ( !bStr )
81 return wxString();
82
83 const int len = SysStringLen(bStr);
84
85#if wxUSE_UNICODE
86 wxString str(bStr, len);
87#else
88 wxString str;
89 if ( !::WideCharToMultiByte(CP_ACP, 0 /* no flags */,
90 bStr, len /* not necessary NUL-terminated */,
91 wxStringBuffer(str, len + 1), len + 1,
92 NULL, NULL /* no default char */) )
93 {
94 str.clear();
95 }
96#endif
97
98 return str;
99}
100
101// ----------------------------------------------------------------------------
102// wxBasicString
103// ----------------------------------------------------------------------------
104
105wxBasicString::wxBasicString(const wxString& str)
106{
107 m_bstrBuf = SysAllocString(str.wc_str(*wxConvCurrent));
108}
109
110wxBasicString::wxBasicString(const wxBasicString& src)
111{
112 m_bstrBuf = src.Get();
113}
114
115wxBasicString& wxBasicString::operator=(const wxBasicString& src)
116{
117 SysReAllocString(&m_bstrBuf, src);
118 return *this;
119}
120
121wxBasicString::~wxBasicString()
122{
123 SysFreeString(m_bstrBuf);
124}
125
126#if wxUSE_DATAOBJ
127
128// ----------------------------------------------------------------------------
129// Debug support
130// ----------------------------------------------------------------------------
131
132#if defined(__WXDEBUG__) && ( ( defined(__VISUALC__) && (__VISUALC__ > 1000) ) || defined(__MWERKS__) )
133static wxString GetIidName(REFIID riid)
134{
135 // an association between symbolic name and numeric value of an IID
136 struct KNOWN_IID {
137 const IID *pIid;
138 const wxChar *szName;
139 };
140
141 // construct the table containing all known interfaces
142 #define ADD_KNOWN_IID(name) { &IID_I##name, _T(#name) }
143
144 static const KNOWN_IID aKnownIids[] = {
145 ADD_KNOWN_IID(AdviseSink),
146 ADD_KNOWN_IID(AdviseSink2),
147 ADD_KNOWN_IID(BindCtx),
148 ADD_KNOWN_IID(ClassFactory),
149#if ( !defined( __VISUALC__) || (__VISUALC__!=1010) ) && !defined(__MWERKS__)
150 ADD_KNOWN_IID(ContinueCallback),
151 ADD_KNOWN_IID(EnumOleDocumentViews),
152 ADD_KNOWN_IID(OleCommandTarget),
153 ADD_KNOWN_IID(OleDocument),
154 ADD_KNOWN_IID(OleDocumentSite),
155 ADD_KNOWN_IID(OleDocumentView),
156 ADD_KNOWN_IID(Print),
157#endif
158 ADD_KNOWN_IID(DataAdviseHolder),
159 ADD_KNOWN_IID(DataObject),
160 ADD_KNOWN_IID(Debug),
161 ADD_KNOWN_IID(DebugStream),
162 ADD_KNOWN_IID(DfReserved1),
163 ADD_KNOWN_IID(DfReserved2),
164 ADD_KNOWN_IID(DfReserved3),
165 ADD_KNOWN_IID(Dispatch),
166 ADD_KNOWN_IID(DropSource),
167 ADD_KNOWN_IID(DropTarget),
168 ADD_KNOWN_IID(EnumCallback),
169 ADD_KNOWN_IID(EnumFORMATETC),
170 ADD_KNOWN_IID(EnumGeneric),
171 ADD_KNOWN_IID(EnumHolder),
172 ADD_KNOWN_IID(EnumMoniker),
173 ADD_KNOWN_IID(EnumOLEVERB),
174 ADD_KNOWN_IID(EnumSTATDATA),
175 ADD_KNOWN_IID(EnumSTATSTG),
176 ADD_KNOWN_IID(EnumString),
177 ADD_KNOWN_IID(EnumUnknown),
178 ADD_KNOWN_IID(EnumVARIANT),
179 ADD_KNOWN_IID(ExternalConnection),
180 ADD_KNOWN_IID(InternalMoniker),
181 ADD_KNOWN_IID(LockBytes),
182 ADD_KNOWN_IID(Malloc),
183 ADD_KNOWN_IID(Marshal),
184 ADD_KNOWN_IID(MessageFilter),
185 ADD_KNOWN_IID(Moniker),
186 ADD_KNOWN_IID(OleAdviseHolder),
187 ADD_KNOWN_IID(OleCache),
188 ADD_KNOWN_IID(OleCache2),
189 ADD_KNOWN_IID(OleCacheControl),
190 ADD_KNOWN_IID(OleClientSite),
191 ADD_KNOWN_IID(OleContainer),
192 ADD_KNOWN_IID(OleInPlaceActiveObject),
193 ADD_KNOWN_IID(OleInPlaceFrame),
194 ADD_KNOWN_IID(OleInPlaceObject),
195 ADD_KNOWN_IID(OleInPlaceSite),
196 ADD_KNOWN_IID(OleInPlaceUIWindow),
197 ADD_KNOWN_IID(OleItemContainer),
198 ADD_KNOWN_IID(OleLink),
199 ADD_KNOWN_IID(OleManager),
200 ADD_KNOWN_IID(OleObject),
201 ADD_KNOWN_IID(OlePresObj),
202 ADD_KNOWN_IID(OleWindow),
203 ADD_KNOWN_IID(PSFactory),
204 ADD_KNOWN_IID(ParseDisplayName),
205 ADD_KNOWN_IID(Persist),
206 ADD_KNOWN_IID(PersistFile),
207 ADD_KNOWN_IID(PersistStorage),
208 ADD_KNOWN_IID(PersistStream),
209 ADD_KNOWN_IID(ProxyManager),
210 ADD_KNOWN_IID(RootStorage),
211 ADD_KNOWN_IID(RpcChannel),
212 ADD_KNOWN_IID(RpcProxy),
213 ADD_KNOWN_IID(RpcStub),
214 ADD_KNOWN_IID(RunnableObject),
215 ADD_KNOWN_IID(RunningObjectTable),
216 ADD_KNOWN_IID(StdMarshalInfo),
217 ADD_KNOWN_IID(Storage),
218 ADD_KNOWN_IID(Stream),
219 ADD_KNOWN_IID(StubManager),
220 ADD_KNOWN_IID(Unknown),
221 ADD_KNOWN_IID(ViewObject),
222 ADD_KNOWN_IID(ViewObject2),
223 };
224
225 // don't clobber preprocessor name space
226 #undef ADD_KNOWN_IID
227
228 // try to find the interface in the table
229 for ( size_t ui = 0; ui < WXSIZEOF(aKnownIids); ui++ ) {
230 if ( riid == *aKnownIids[ui].pIid ) {
231 return aKnownIids[ui].szName;
232 }
233 }
234
235#ifndef __WXWINCE__
236 // unknown IID, just transform to string
237 Uuid uuid(riid);
238 return wxString((const wxChar *)uuid);
239#else
240 return wxEmptyString;
241#endif
242}
243
244void wxLogQueryInterface(const wxChar *szInterface, REFIID riid)
245{
246 wxLogTrace(wxTRACE_OleCalls, wxT("%s::QueryInterface (iid = %s)"),
247 szInterface, GetIidName(riid).c_str());
248}
249
250void wxLogAddRef(const wxChar *szInterface, ULONG cRef)
251{
252 wxLogTrace(wxTRACE_OleCalls, wxT("After %s::AddRef: m_cRef = %d"), szInterface, cRef + 1);
253}
254
255void wxLogRelease(const wxChar *szInterface, ULONG cRef)
256{
257 wxLogTrace(wxTRACE_OleCalls, wxT("After %s::Release: m_cRef = %d"), szInterface, cRef - 1);
258}
259
260#elif defined(__WXDEBUG__) && defined(__VISUALC__) && (__VISUALC__ <= 1000)
261
262// For VC++ 4
263void wxLogQueryInterface(const char *szInterface, REFIID riid)
264{
265 wxLogTrace("%s::QueryInterface", szInterface);
266}
267
268void wxLogAddRef(const char *szInterface, ULONG cRef)
269{
270 wxLogTrace("After %s::AddRef: m_cRef = %d", szInterface, cRef + 1);
271}
272
273void wxLogRelease(const char *szInterface, ULONG cRef)
274{
275 wxLogTrace("After %s::Release: m_cRef = %d", szInterface, cRef - 1);
276}
277
278#endif // __WXDEBUG__
279
280#endif
281 // wxUSE_DRAG_AND_DROP
282
283#endif
284 // __CYGWIN10__
285
286#endif
287 // wxUSE_OLE