+/////////////////////////////////////////////////////////////////////////////
+// Name: dynlib.cpp
+// Purpose: Dynamic library management
+// Author: Guilhem Lavaux
+// Modified by:
+// Created: 20/07/98
+// RCS-ID: $Id$
+// Copyright: (c) Guilhem Lavaux
+// Licence: wxWindows license
+/////////////////////////////////////////////////////////////////////////////
+
+#ifdef __GNUG__
+#pragma implementation "dynlib.h"
+#endif
+
+#include <wx/dynlib.h>
+#include <wx/filefn.h>
+#include <wx/list.h>
+#include <wx/string.h>
+
+// ---------------------------------------------------------------------------
+// System dependent include
+// ---------------------------------------------------------------------------
+
+#ifdef linux
+#include <dlfcn.h>
+#endif
+
+// ---------------------------------------------------------------------------
+// Global variables
+// ---------------------------------------------------------------------------
+
+wxLibraries wxTheLibraries;
+
+// ---------------------------------------------------------------------------
+// wxLibrary (one instance per dynamic library
+// ---------------------------------------------------------------------------
+
+wxLibrary::wxLibrary(void *handle)
+{
+ typedef wxClassLibrary *(*t_get_list)(void);
+ t_get_list get_list;
+
+ m_handle = handle;
+
+ get_list = (t_get_list)GetSymbol("GetClassList");
+ m_liblist = (*get_list)();
+}
+
+wxLibrary::~wxLibrary()
+{
+ if (m_handle) {
+ typedef void (*t_free_list)(wxClassLibrary *);
+ t_free_list free_list;
+
+ free_list = (t_free_list) GetSymbol("FreeClassList");
+ if (free_list != NULL)
+ free_list(m_liblist);
+ else
+ delete m_liblist;
+
+ dlclose(m_handle);
+ }
+}
+
+wxObject *wxLibrary::CreateObject(const wxString& name)
+{
+ return m_liblist->CreateObject(name);
+}
+
+void *wxLibrary::GetSymbol(const wxString& symbname)
+{
+#ifdef linux
+ return dlsym(m_handle, symbname.GetData());
+#endif
+}
+
+// ---------------------------------------------------------------------------
+// wxLibraries (only one instance should normally exist)
+// ---------------------------------------------------------------------------
+
+wxLibraries::wxLibraries()
+{
+}
+
+wxLibraries::~wxLibraries()
+{
+ wxNode *node = m_loaded.First();
+
+ while (node) {
+ wxLibrary *lib = (wxLibrary *)node->Data();
+ delete lib;
+
+ node = node->Next();
+ }
+}
+
+wxLibrary *wxLibraries::LoadLibrary(const wxString& name)
+{
+ wxString lib_name = name;
+ wxNode *node;
+ wxLibrary *lib;
+
+ if ( (node = m_loaded.Find(name.GetData())) )
+ return ((wxLibrary *)node->Data());
+
+#ifdef linux
+ lib_name.Prepend("./lib");
+ lib_name += ".so";
+
+ printf("lib_name = %s\n", WXSTRINGCAST lib_name);
+
+ void *handle = dlopen(lib_name.GetData(), RTLD_LAZY);
+
+ printf("handle = %x\n", handle);
+ lib = new wxLibrary(handle);
+
+#endif
+#ifdef __WINDOWS__
+ lib_name += ".dll";
+
+#endif
+
+ m_loaded.Append(name.GetData(), lib);
+ return lib;
+}
+
+wxObject *wxLibraries::CreateObject(const wxString& path)
+{
+ wxNode *node = m_loaded.First();
+ wxObject *obj;
+
+ while (node) {
+ obj = ((wxLibrary *)node->Data())->CreateObject(path);
+ if (obj)
+ return obj;
+
+ node = node->Next();
+ }
+ return NULL;
+}
+
+// ---------------------------------------------------------------------------
+// wxClassLibrary (this class is used to access the internal class)
+// ---------------------------------------------------------------------------
+
+wxClassLibrary::wxClassLibrary(void)
+{
+}
+
+wxClassLibrary::~wxClassLibrary(void)
+{
+ uint i;
+
+ for (i=0;i<m_list.Count();i++)
+ delete (m_list[i]);
+}
+
+void wxClassLibrary::RegisterClass(wxClassInfo *class_info,
+ const wxString& path)
+{
+ wxClassLibInfo *info = new wxClassLibInfo;
+
+ info->class_info = class_info;
+ info->path = path;
+ m_list.Add(info);
+}
+
+void wxClassLibrary::UnregisterClass(wxClassInfo *class_info)
+{
+ uint i = 0;
+
+ while (i < m_list.Count()) {
+ if (m_list[i]->class_info == class_info) {
+ delete (m_list[i]);
+ m_list.Remove(i);
+ return;
+ }
+ i++;
+ }
+}
+
+bool wxClassLibrary::CreateObjects(const wxString& path,
+ wxArrayClassInfo& objs)
+{
+ wxClassLibInfo *info;
+ uint i = 0;
+
+ while (i < m_list.Count()) {
+ info = m_list[i];
+ if (wxMatchWild(path, info->path))
+ objs.Add(info->class_info);
+ i++;
+ }
+ return (i > 0);
+}
+
+bool wxClassLibrary::FetchInfos(const wxString& path,
+ wxArrayClassLibInfo& infos)
+{
+ wxClassLibInfo *info;
+ uint i = 0;
+
+ while (i < m_list.Count()) {
+ info = m_list[i];
+ if (wxMatchWild(path, info->path)) {
+ wxClassLibInfo *inf = new wxClassLibInfo;
+ *inf = *info;
+ infos.Add(inf);
+ }
+ i++;
+ }
+ return (i > 0);
+}
+
+wxObject *wxClassLibrary::CreateObject(const wxString& path)
+{
+ wxClassLibInfo *info;
+ uint i = 0;
+
+ while (i < m_list.Count()) {
+ info = m_list[i];
+ if (wxMatchWild(path, info->path))
+ return info->class_info->CreateObject();
+ i++;
+ }
+ return NULL;
+}
projects / wxWidgets.git / commitdiff
