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wxDialogBase only has one ctor, so just do initialization in ctor instead of Init()
[wxWidgets.git] / src / common / dynlib.cpp
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7a4b9130 1/////////////////////////////////////////////////////////////////////////////
55034339 2// Name: src/common/dynlib.cpp
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3// Purpose: Dynamic library management
4// Author: Guilhem Lavaux
5// Modified by:
6// Created: 20/07/98
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7// Copyright: (c) 1998 Guilhem Lavaux
8// 2000-2005 Vadim Zeitlin
65571936 9// Licence: wxWindows licence
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10/////////////////////////////////////////////////////////////////////////////
11
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12//FIXME: This class isn't really common at all, it should be moved into
13// platform dependent files (already done for Windows and Unix)
14
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15// ============================================================================
16// declarations
17// ============================================================================
18
19// ----------------------------------------------------------------------------
20// headers
21// ----------------------------------------------------------------------------
22
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23#include "wx/wxprec.h"
24
2df7be7f 25#ifdef __BORLANDC__
e4db172a 26 #pragma hdrstop
2df7be7f 27#endif
f6bcfd97 28
1948bb32 29#if wxUSE_DYNLIB_CLASS
8a0d4cf6 30
7b0bfbb2 31#include "wx/dynlib.h"
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32
33#ifndef WX_PRECOMP
34 #include "wx/intl.h"
35 #include "wx/log.h"
670f9935 36 #include "wx/app.h"
de6185e2 37 #include "wx/utils.h"
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38#endif //WX_PRECOMP
39
7b0bfbb2 40#include "wx/filefn.h"
1948bb32 41#include "wx/filename.h" // for SplitPath()
8bb6b2c0 42#include "wx/platinfo.h"
7b0bfbb2 43
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44#include "wx/arrimpl.cpp"
45
4115960d 46WX_DEFINE_USER_EXPORTED_OBJARRAY(wxDynamicLibraryDetailsArray)
7b0bfbb2 47
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48// ============================================================================
49// implementation
50// ============================================================================
846e1424 51
a585ca5c 52// ---------------------------------------------------------------------------
1948bb32 53// wxDynamicLibrary
a585ca5c 54// ---------------------------------------------------------------------------
7b0bfbb2 55
6d94009f 56// for MSW/Unix it is defined in platform-specific file
d98a58c5 57#if !(defined(__WINDOWS__) || defined(__UNIX__)) || defined(__EMX__)
da55d064 58
1948bb32 59wxDllType wxDynamicLibrary::GetProgramHandle()
0868079c 60{
da55d064 61 wxFAIL_MSG( wxT("GetProgramHandle() is not implemented under this platform"));
7742efff 62 return 0;
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63}
64
d98a58c5 65#endif // __WINDOWS__ || __UNIX__
6d94009f 66
da55d064 67
defbed48 68bool wxDynamicLibrary::Load(const wxString& libnameOrig, int flags)
a585ca5c 69{
9a83f860 70 wxASSERT_MSG(m_handle == 0, wxT("Library already loaded."));
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71
72 // add the proper extension for the DLL ourselves unless told not to
defbed48 73 wxString libname = libnameOrig;
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74 if ( !(flags & wxDL_VERBATIM) )
75 {
76 // and also check that the libname doesn't already have it
77 wxString ext;
78 wxFileName::SplitPath(libname, NULL, NULL, &ext);
79 if ( ext.empty() )
80 {
31f125ed 81 libname += GetDllExt(wxDL_MODULE);
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82 }
83 }
7b0bfbb2 84
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85 // different ways to load a shared library
86 //
87 // FIXME: should go to the platform-specific files!
3a39a9da 88#if defined(__WXPM__) || defined(__EMX__)
670f9935 89 char err[256] = "";
1f3d9911 90 DosLoadModule(err, sizeof(err), libname.c_str(), &m_handle);
6c286397 91#else // this should be the only remaining branch eventually
da55d064 92 m_handle = RawLoad(libname, flags);
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93#endif
94
e2fc2bd5 95 if ( m_handle == 0 && !(flags & wxDL_QUIET) )
7cc98b3e 96 {
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97#ifdef wxHAVE_DYNLIB_ERROR
98 Error();
1948bb32 99#else
da55d064 100 wxLogSysError(_("Failed to load shared library '%s'"), libname.c_str());
0b9ab0bd 101#endif
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102 }
103
1948bb32 104 return IsLoaded();
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105}
106
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107// for MSW and Unix this is implemented in the platform-specific file
108//
109// TODO: move the rest to os2/dlpm.cpp and mac/dlmac.cpp!
d98a58c5 110#if (!defined(__WINDOWS__) && !defined(__UNIX__)) || defined(__EMX__)
defbed48 111
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112/* static */
113void wxDynamicLibrary::Unload(wxDllType handle)
752c7d6b 114{
55034339 115#if defined(__OS2__) || defined(__EMX__)
ff793cab 116 DosFreeModule( handle );
1948bb32 117#else
9d033af9 118 #error "runtime shared lib support not implemented"
1948bb32 119#endif
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120}
121
d98a58c5 122#endif // !(__WINDOWS__ || __UNIX__)
defbed48 123
a018a119 124void *wxDynamicLibrary::DoGetSymbol(const wxString &name, bool *success) const
a585ca5c 125{
1948bb32 126 wxCHECK_MSG( IsLoaded(), NULL,
9a83f860 127 wxT("Can't load symbol from unloaded library") );
1948bb32 128
0b9ab0bd 129 void *symbol = 0;
a585ca5c 130
999836aa 131 wxUnusedVar(symbol);
3a39a9da 132#if defined(__WXPM__) || defined(__EMX__)
1f3d9911 133 DosQueryProcAddr( m_handle, 1L, name.c_str(), (PFN*)symbol );
1c193821 134#else
da55d064 135 symbol = RawGetSymbol(m_handle, name);
1c193821 136#endif
0b9ab0bd 137
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138 if ( success )
139 *success = symbol != NULL;
140
141 return symbol;
142}
143
144void *wxDynamicLibrary::GetSymbol(const wxString& name, bool *success) const
145{
146 void *symbol = DoGetSymbol(name, success);
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147 if ( !symbol )
148 {
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149#ifdef wxHAVE_DYNLIB_ERROR
150 Error();
0b9ab0bd 151#else
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152 wxLogSysError(_("Couldn't find symbol '%s' in a dynamic library"),
153 name.c_str());
0b9ab0bd 154#endif
7b0bfbb2 155 }
0b9ab0bd 156
7b0bfbb2 157 return symbol;
7a4b9130 158}
5fccb5b4 159
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160// ----------------------------------------------------------------------------
161// informational methods
162// ----------------------------------------------------------------------------
163
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164/*static*/
165wxString wxDynamicLibrary::GetDllExt(wxDynamicLibraryCategory cat)
166{
167 wxUnusedVar(cat);
168#if defined(__WINDOWS__) || defined(__WXPM__) || defined(__EMX__)
169 return ".dll";
170#elif defined(__HPUX__)
171 return ".sl";
172#elif defined(__DARWIN__)
173 switch ( cat )
174 {
175 case wxDL_LIBRARY:
176 return ".dylib";
177 case wxDL_MODULE:
178 return ".bundle";
179 }
180 wxFAIL_MSG("unreachable");
181 return wxString(); // silence gcc warning
182#else
183 return ".so";
184#endif
185}
186
1948bb32 187/*static*/
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188wxString
189wxDynamicLibrary::CanonicalizeName(const wxString& name,
da55d064 190 wxDynamicLibraryCategory cat)
7a4b9130 191{
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192 wxString nameCanonic;
193
87ec9b8f 194 // under Unix the library names usually start with "lib" prefix, add it
e9737ede 195#if defined(__UNIX__) && !defined(__EMX__)
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196 switch ( cat )
197 {
350fffae 198 case wxDL_LIBRARY:
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199 // Library names should start with "lib" under Unix.
200 nameCanonic = "lib";
201 break;
202 case wxDL_MODULE:
203 // Module names are arbitrary and should have no prefix added.
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204 break;
205 }
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206#endif
207
208 nameCanonic << name << GetDllExt(cat);
350fffae 209
350fffae 210 return nameCanonic;
7a4b9130 211}
8a0d4cf6 212
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213/*static*/
214wxString wxDynamicLibrary::CanonicalizePluginName(const wxString& name,
215 wxPluginCategory cat)
f11bdd03 216{
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217 wxString suffix;
218 if ( cat == wxDL_PLUGIN_GUI )
f11bdd03 219 {
449090b5 220 suffix = wxPlatformInfo::Get().GetPortIdShortName();
f11bdd03 221 }
1948bb32 222#if wxUSE_UNICODE
9a83f860 223 suffix << wxT('u');
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224#endif
225#ifdef __WXDEBUG__
9a83f860 226 suffix << wxT('d');
1948bb32 227#endif
f11bdd03 228
1948bb32 229 if ( !suffix.empty() )
9a83f860 230 suffix = wxString(wxT("_")) + suffix;
f11bdd03 231
3546ffae 232#define WXSTRINGIZE(x) #x
e9737ede 233#if defined(__UNIX__) && !defined(__EMX__)
1948bb32 234 #if (wxMINOR_VERSION % 2) == 0
3546ffae 235 #define wxDLLVER(x,y,z) "-" WXSTRINGIZE(x) "." WXSTRINGIZE(y)
1948bb32 236 #else
3546ffae 237 #define wxDLLVER(x,y,z) "-" WXSTRINGIZE(x) "." WXSTRINGIZE(y) "." WXSTRINGIZE(z)
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238 #endif
239#else
240 #if (wxMINOR_VERSION % 2) == 0
3546ffae 241 #define wxDLLVER(x,y,z) WXSTRINGIZE(x) WXSTRINGIZE(y)
1948bb32 242 #else
3546ffae 243 #define wxDLLVER(x,y,z) WXSTRINGIZE(x) WXSTRINGIZE(y) WXSTRINGIZE(z)
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244 #endif
245#endif
350fffae 246
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247 suffix << wxString::FromAscii(wxDLLVER(wxMAJOR_VERSION, wxMINOR_VERSION,
248 wxRELEASE_NUMBER));
249#undef wxDLLVER
3546ffae 250#undef WXSTRINGIZE
f11bdd03 251
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252#ifdef __WINDOWS__
253 // Add compiler identification:
254 #if defined(__GNUG__)
9a83f860 255 suffix << wxT("_gcc");
2c02ec05 256 #elif defined(__VISUALC__)
9a83f860 257 suffix << wxT("_vc");
2c02ec05 258 #elif defined(__WATCOMC__)
9a83f860 259 suffix << wxT("_wat");
2c02ec05 260 #elif defined(__BORLANDC__)
9a83f860 261 suffix << wxT("_bcc");
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262 #endif
263#endif
264
1948bb32 265 return CanonicalizeName(name + suffix, wxDL_MODULE);
f11bdd03 266}
5fccb5b4 267
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268/*static*/
269wxString wxDynamicLibrary::GetPluginsDirectory()
f11bdd03 270{
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271#ifdef __UNIX__
272 wxString format = wxGetInstallPrefix();
cb979fac 273 wxString dir;
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274 format << wxFILE_SEP_PATH
275 << wxT("lib") << wxFILE_SEP_PATH
276 << wxT("wx") << wxFILE_SEP_PATH
cb979fac 277#if (wxMINOR_VERSION % 2) == 0
1948bb32 278 << wxT("%i.%i");
1948bb32 279 dir.Printf(format.c_str(), wxMAJOR_VERSION, wxMINOR_VERSION);
1948bb32 280#else
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281 << wxT("%i.%i.%i");
282 dir.Printf(format.c_str(),
283 wxMAJOR_VERSION, wxMINOR_VERSION, wxRELEASE_NUMBER);
284#endif
285 return dir;
286
287#else // ! __UNIX__
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288 return wxEmptyString;
289#endif
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290}
291
f11bdd03 292
1948bb32 293#endif // wxUSE_DYNLIB_CLASS