HP-UX support added
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@1751 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
parent
f76f940bce
commit
7b0bfbb256
@ -1,68 +1,101 @@
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/////////////////////////////////////////////////////////////////////////////
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// Name: dynlib.cpp
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// Purpose: Dynamic library management
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// Author: Guilhem Lavaux
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// Modified by:
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// Created: 20/07/98
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// RCS-ID: $Id$
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// Copyright: (c) Guilhem Lavaux
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// Licence: wxWindows license
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/////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_DYNLIB_H__
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#define _WX_DYNLIB_H__
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#ifdef __GNUG__
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#pragma interface
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#pragma interface
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#endif
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#include <wx/string.h>
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#include <wx/list.h>
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#include <wx/dynarray.h>
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#include <wx/hash.h>
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#if defined(HAVE_DLOPEN)
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#include <dlfcn.h>
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typedef void *wxDllType;
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#elif defined(HAVE_SHLLOAD)
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#include <dl.h>
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typedef void *wxDllType;
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#elif defined(__WINDOWS__)
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#include <windows.h>
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typedef HMODULE wxDllType;
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#elif defined(__WXMAC__)
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typedef CFragConnectionID wxDllType;
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#else
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#error "wxLibrary can't be compiled on this platform, sorry."
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#endif // OS
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// defined in windows.h
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#ifdef LoadLibrary
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#undef LoadLibrary
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#undef LoadLibrary
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#endif
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// ---------------------------------------------------------------------------
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// ----------------------------------------------------------------------------
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// wxLibrary
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// ----------------------------------------------------------------------------
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class wxLibrary: public wxObject {
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protected:
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void *m_handle;
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bool m_destroy;
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public:
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wxHashTable classTable;
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class wxLibrary : public wxObject
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{
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public:
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wxHashTable classTable;
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public:
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wxLibrary(void *handle);
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~wxLibrary(void);
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public:
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wxLibrary(void *handle);
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~wxLibrary();
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// Get a symbol from the dynamic library
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void *GetSymbol(const wxString& symbname);
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// Get a symbol from the dynamic library
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void *GetSymbol(const wxString& symbname);
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// Create the object whose classname is "name"
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wxObject *CreateObject(const wxString& name);
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// Create the object whose classname is "name"
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wxObject *CreateObject(const wxString& name);
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// Merge the symbols with the main symbols: WARNING! the library will not
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// be unloaded.
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void MergeWithSystem();
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protected:
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void PrepareClasses(wxClassInfo *first);
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protected:
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void PrepareClasses(wxClassInfo *first);
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wxDllType m_handle;
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};
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// ---------------------------------------------------------------------------
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// ----------------------------------------------------------------------------
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// wxLibraries
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// ----------------------------------------------------------------------------
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class wxLibraries {
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protected:
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wxList m_loaded;
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public:
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wxLibraries(void);
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~wxLibraries(void);
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class wxLibraries
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{
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public:
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wxLibraries();
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~wxLibraries();
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wxLibrary *LoadLibrary(const wxString& name);
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wxObject *CreateObject(const wxString& name);
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// caller is responsible for deleting the returned pointer if !NULL
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wxLibrary *LoadLibrary(const wxString& basename);
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wxObject *CreateObject(const wxString& name);
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protected:
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wxList m_loaded;
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};
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// ---------------------------------------------------------------------------
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// ----------------------------------------------------------------------------
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// Global variables
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// ----------------------------------------------------------------------------
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extern wxLibraries wxTheLibraries;
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// ---------------------------------------------------------------------------
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// ----------------------------------------------------------------------------
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// Interesting defines
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// ----------------------------------------------------------------------------
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#define WXDLL_ENTRY_FUNCTION() \
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extern "C" wxClassInfo *wxGetClassFirst(); \
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@ -70,4 +103,4 @@ wxClassInfo *wxGetClassFirst() { \
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return wxClassInfo::GetFirst(); \
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}
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#endif
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#endif // _WX_DYNLIB_H__
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@ -9,8 +9,16 @@
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// Licence: wxWindows license
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/////////////////////////////////////////////////////////////////////////////
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// ============================================================================
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// declarations
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// ============================================================================
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// ----------------------------------------------------------------------------
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// headers
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// ----------------------------------------------------------------------------
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#ifdef __GNUG__
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#pragma implementation "dynlib.h"
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#pragma implementation "dynlib.h"
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#endif
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#include "wx/wxprec.h"
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@ -19,29 +27,51 @@
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#pragma hdrstop
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#endif //__BORLANDC__
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#ifndef WX_PRECOMP
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#endif //WX_PRECOMP
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// TODO should be done by configure
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#if defined(__UNIX__) && !(defined(HAVE_DLOPEN) || defined(HAVE_SHLLOAD))
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#if defined(__LINUX__) || defined(__SOLARIS__) || defined(__SUNOS__)
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#ifndef HAVE_DLOPEN
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#define HAVE_DLOPEN
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#endif
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#elif defined(__HPUX__)
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#ifndef HAVE_SHLLOAD
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#define HAVE_SHLLOAD
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#endif
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#endif // Unix flavour
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#endif // !Unix or already have some HAVE_xxx defined
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#include <wx/dynlib.h>
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#include <wx/filefn.h>
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#include <wx/list.h>
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#include <wx/string.h>
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#include "wx/dynlib.h"
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#include "wx/filefn.h"
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#include "wx/intl.h"
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#include "wx/log.h"
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// ---------------------------------------------------------------------------
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// System dependent include
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// ---------------------------------------------------------------------------
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// ----------------------------------------------------------------------------
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// conditional compilation
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// ----------------------------------------------------------------------------
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#if defined(__UNIX__)
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#include <dlfcn.h>
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#endif
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#if defined(HAVE_DLOPEN)
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#define wxDllOpen(lib) dlopen(lib, RTLD_LAZY)
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#define wxDllGetSymbol(handle, name) dlsym(handle, (char *)name)
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#define wxDllClose dlclose
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#elif defined(HAVE_SHLLOAD)
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#define wxDllOpen(lib) shl_open(lib, BIND_DEFERRED, 0)
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#define wxDllClose shl_unload
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#ifdef __WINDOWS__
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#include <windows.h>
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#endif
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#ifdef LoadLibrary
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#undef LoadLibrary
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#endif
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static inline void *wxDllGetSymbol(shl_t *handle, const char *name)
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{
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void *sym;
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if ( shl_findsym(handle, name, TYPE_UNDEFINED, &sym) == 0 )
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return sym;
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else
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return (void *)0;
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}
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#elif defined(__WINDOWS__)
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#define wxDllOpen(lib) ::LoadLibrary(lib)
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#define wxDllGetSymbol(handle, name) ::GetProcAddress(handle, name)
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#define wxDllClose ::FreeLibrary
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#else
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#error "Don't know how to load shared libraries on this platform."
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#endif // OS
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// ---------------------------------------------------------------------------
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// Global variables
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@ -49,90 +79,117 @@
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wxLibraries wxTheLibraries;
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// ---------------------------------------------------------------------------
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// wxLibrary (one instance per dynamic library
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// ---------------------------------------------------------------------------
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// ----------------------------------------------------------------------------
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// private functions
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// ----------------------------------------------------------------------------
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wxLibrary::wxLibrary(void *handle)
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// construct the full name from the base shared object name: adds a .dll
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// suffix under Windows or .so under Unix
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static wxString ConstructLibraryName(const wxString& basename)
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{
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typedef wxClassInfo *(*t_get_first)(void);
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t_get_first get_first;
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wxString fullname(basename);
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m_handle = handle;
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m_destroy = TRUE;
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#if defined(__UNIX__)
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fullname << ".so";
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#elif defined(__WINDOWS__)
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fullname << ".dll";
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#endif
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// Some system may use a local heap for library.
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get_first = (t_get_first)GetSymbol("wxGetClassFirst");
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// It is a wxWindows DLL.
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if (get_first)
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PrepareClasses(get_first());
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return fullname;
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}
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// ============================================================================
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// implementation
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// ============================================================================
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// ---------------------------------------------------------------------------
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// wxLibrary (one instance per dynamic library)
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// ---------------------------------------------------------------------------
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wxLibrary::wxLibrary(wxDllType handle)
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{
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typedef wxClassInfo *(*t_get_first)(void);
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t_get_first get_first;
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m_handle = handle;
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// Some system may use a local heap for library.
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get_first = (t_get_first)GetSymbol("wxGetClassFirst");
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// It is a wxWindows DLL.
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if (get_first)
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PrepareClasses(get_first());
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}
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wxLibrary::~wxLibrary()
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{
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if (m_handle && m_destroy) {
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#if defined(__UNIX__)
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dlclose(m_handle);
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#endif
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#ifdef __WINDOWS__
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FreeLibrary((HMODULE)m_handle);
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#endif
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}
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if ( m_handle )
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{
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wxDllClose(m_handle);
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}
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}
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wxObject *wxLibrary::CreateObject(const wxString& name)
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{
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wxClassInfo *info = (wxClassInfo *)classTable.Get(name);
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wxClassInfo *info = (wxClassInfo *)classTable.Get(name);
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if (!info)
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return NULL;
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if (!info)
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return NULL;
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return info->CreateObject();
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return info->CreateObject();
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}
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void wxLibrary::PrepareClasses(wxClassInfo *first)
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{
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// Index all class infos by their class name
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wxClassInfo *info = first;
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while (info)
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{
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if (info->m_className)
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classTable.Put(info->m_className, (wxObject *)info);
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info = info->GetNext();
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}
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// Index all class infos by their class name
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wxClassInfo *info = first;
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while (info)
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{
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if (info->m_className)
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classTable.Put(info->m_className, (wxObject *)info);
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info = info->GetNext();
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}
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// Set base pointers for each wxClassInfo
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info = first;
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while (info)
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{
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if (info->GetBaseClassName1())
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info->m_baseInfo1 = (wxClassInfo *)classTable.Get(info->GetBaseClassName1());
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if (info->GetBaseClassName2())
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info->m_baseInfo2 = (wxClassInfo *)classTable.Get(info->GetBaseClassName2());
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info = info->m_next;
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}
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// Set base pointers for each wxClassInfo
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info = first;
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while (info)
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{
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if (info->GetBaseClassName1())
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info->m_baseInfo1 = (wxClassInfo *)classTable.Get(info->GetBaseClassName1());
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if (info->GetBaseClassName2())
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info->m_baseInfo2 = (wxClassInfo *)classTable.Get(info->GetBaseClassName2());
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info = info->m_next;
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}
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}
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void *wxLibrary::GetSymbol(const wxString& symbname)
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{
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#if defined(__UNIX__)
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return dlsym(m_handle, WXSTRINGCAST symbname);
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#elif defined( __WINDOWS__ )
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return GetProcAddress((HINSTANCE) m_handle, WXSTRINGCAST symbname);
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#elif defined( __WXMAC__ )
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Ptr symAddress ;
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CFragSymbolClass symClass ;
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Str255 symName ;
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strcpy( (char*) symName , symbname ) ;
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c2pstr( (char*) symName ) ;
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if ( FindSymbol( (CFragConnectionID) m_handle , symName , &symAddress , &symClass ) == noErr )
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{
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return symAddress ;
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}
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void *symbol = NULL; // return value
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#if defined( __WXMAC__ )
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Ptr symAddress ;
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CFragSymbolClass symClass ;
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Str255 symName ;
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strcpy( (char*) symName , symbname ) ;
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c2pstr( (char*) symName ) ;
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if ( FindSymbol( m_handle , symName , &symAddress , &symClass ) == noErr )
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{
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symbol = (void *)symAddress ;
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}
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#else
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// VZ: hmm... why is WXSTRINGCAST needed? if it's really modified, we
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// should make a copy of it
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symbol = wxDllGetSymbol(m_handle, WXSTRINGCAST symbname);
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#endif
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return NULL;
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if ( !symbol )
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{
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wxLogSysError(_("Couldn't find symbol '%s' in a dynamic library"),
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symbname.c_str());
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}
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return symbol;
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}
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// ---------------------------------------------------------------------------
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@ -145,93 +202,83 @@ wxLibraries::wxLibraries()
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wxLibraries::~wxLibraries()
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{
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wxNode *node = m_loaded.First();
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wxNode *node = m_loaded.First();
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while (node) {
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wxLibrary *lib = (wxLibrary *)node->Data();
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delete lib;
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while (node) {
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wxLibrary *lib = (wxLibrary *)node->Data();
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delete lib;
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node = node->Next();
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}
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node = node->Next();
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}
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}
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wxLibrary *wxLibraries::LoadLibrary(const wxString& name)
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{
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wxString lib_name = name;
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wxNode *node;
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wxLibrary *lib;
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wxClassInfo *old_sm_first;
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wxNode *node;
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wxLibrary *lib;
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wxClassInfo *old_sm_first;
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if ( (node = m_loaded.Find(name.GetData())) )
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return ((wxLibrary *)node->Data());
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if ( (node = m_loaded.Find(name.GetData())) )
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return ((wxLibrary *)node->Data());
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// If DLL shares data, this is necessary.
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old_sm_first = wxClassInfo::sm_first;
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wxClassInfo::sm_first = NULL;
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// If DLL shares data, this is necessary.
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old_sm_first = wxClassInfo::sm_first;
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wxClassInfo::sm_first = NULL;
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wxString lib_name = ConstructLibraryName(name);
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#if defined(__UNIX__)
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lib_name.Prepend("./lib");
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lib_name += ".so";
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// TODO use LD_LIBRARY_PATH!
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lib_name.Prepend("/lib");
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#endif // __UNIX__
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printf("lib_name = %s\n", WXSTRINGCAST lib_name);
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wxDllType handle ;
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void *handle = dlopen(WXSTRINGCAST lib_name, RTLD_LAZY);
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#if defined(__WXMAC__)
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FSSpec myFSSpec ;
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Ptr myMainAddr ;
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Str255 myErrName ;
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printf("error = %s\n", dlerror());
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wxMacPathToFSSpec( lib_name , &myFSSpec ) ;
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if (GetDiskFragment( &myFSSpec , 0 , kCFragGoesToEOF , "\p" , kPrivateCFragCopy , &handle , &myMainAddr ,
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myErrName ) != noErr )
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{
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p2cstr( myErrName ) ;
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wxASSERT_MSG( 1 , (char*)myErrName ) ;
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return NULL ;
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}
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#else // !Mac
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handle = wxDllOpen(lib_name);
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#endif // OS
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if (!handle)
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return NULL;
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#elif defined(__WINDOWS__)
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lib_name += ".dll";
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if ( !handle )
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{
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wxLogSysError(_("Failed to load shared library '%s'"),
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lib_name.c_str());
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#ifdef UNICODE
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HMODULE handle = LoadLibraryW(lib_name);
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#else
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#ifdef __WIN16__
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HMODULE handle = ::LoadLibrary(lib_name);
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#else
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HMODULE handle = LoadLibraryA(lib_name);
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#endif
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#endif
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if (!handle)
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return NULL;
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#elif defined(__WXMAC__)
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FSSpec myFSSpec ;
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CFragConnectionID handle ;
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Ptr myMainAddr ;
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Str255 myErrName ;
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wxMacPathToFSSpec( lib_name , &myFSSpec ) ;
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if (GetDiskFragment( &myFSSpec , 0 , kCFragGoesToEOF , "\p" , kPrivateCFragCopy , &handle , &myMainAddr ,
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myErrName ) != noErr )
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{
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p2cstr( myErrName ) ;
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wxASSERT_MSG( 1 , (char*)myErrName ) ;
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return NULL ;
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}
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#else
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return NULL;
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#endif
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return NULL;
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}
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lib = new wxLibrary((void *)handle);
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lib = new wxLibrary(handle);
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wxClassInfo::sm_first = old_sm_first;
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wxClassInfo::sm_first = old_sm_first;
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m_loaded.Append(name.GetData(), lib);
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return lib;
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m_loaded.Append(name.GetData(), lib);
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return lib;
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}
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|
||||
wxObject *wxLibraries::CreateObject(const wxString& path)
|
||||
{
|
||||
wxNode *node = m_loaded.First();
|
||||
wxObject *obj;
|
||||
wxNode *node = m_loaded.First();
|
||||
wxObject *obj;
|
||||
|
||||
while (node) {
|
||||
obj = ((wxLibrary *)node->Data())->CreateObject(path);
|
||||
if (obj)
|
||||
return obj;
|
||||
while (node) {
|
||||
obj = ((wxLibrary *)node->Data())->CreateObject(path);
|
||||
if (obj)
|
||||
return obj;
|
||||
|
||||
node = node->Next();
|
||||
}
|
||||
return NULL;
|
||||
node = node->Next();
|
||||
}
|
||||
return NULL;
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user