X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/23213f1811f2743efc9360d0b4b3a90a98d2b7e5..90d26317f7613d64c81a5b09b578c5144c2bab1b:/include/wx/dynload.h diff --git a/include/wx/dynload.h b/include/wx/dynload.h index a2d2763def..3fdfa076be 100644 --- a/include/wx/dynload.h +++ b/include/wx/dynload.h @@ -7,13 +7,13 @@ // Created: 03/12/01 // RCS-ID: $Id$ // Copyright: (c) 2001 Ron Lee -// Licence: wxWindows license +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// #ifndef _WX_DYNAMICLOADER_H__ #define _WX_DYNAMICLOADER_H__ -#ifdef __GNUG__ +#if defined(__GNUG__) && !defined(__APPLE__) #pragma interface "dynload.h" #endif @@ -25,7 +25,7 @@ #if wxUSE_DYNAMIC_LOADER -#include "wx/hash.h" +#include "wx/hashmap.h" #include "wx/module.h" // FIXME: can this go in private.h or something too?? @@ -38,11 +38,10 @@ #include "wx/msw/private.h" #endif -// Ugh, I'd much rather this was typesafe, but no time -// to rewrite wxHashTable right now.. +class WXDLLIMPEXP_BASE wxPluginLibrary; -typedef wxHashTable wxDLManifest; -typedef wxHashTable wxDLImports; +WX_DECLARE_EXPORTED_STRING_HASH_MAP(wxPluginLibrary *, wxDLManifest); +typedef wxDLManifest wxDLImports; // ---------------------------------------------------------------------------- // conditional compilation @@ -87,6 +86,10 @@ enum wxDLFlags wxDL_VERBATIM = 0x00000008, // Attempt to load the supplied library // name without appending the usual dll // filename extension. + + wxDL_NOSHARE = 0x00000010, // load new DLL, don't reuse already loaded + + // FIXME: why? (VZ) #ifdef __osf__ wxDL_DEFAULT = wxDL_LAZY #else @@ -95,7 +98,7 @@ enum wxDLFlags }; -class WXDLLEXPORT wxDynamicLibrary +class WXDLLIMPEXP_BASE wxDynamicLibrary { public: @@ -106,7 +109,7 @@ public: // return the platform standard DLL extension (with leading dot) - static const wxString &GetDllExt() { return ms_dllext; } + static const wxChar *GetDllExt() { return ms_dllext; } wxDynamicLibrary() : m_handle(0) {} wxDynamicLibrary(wxString libname, int flags = wxDL_DEFAULT) @@ -125,6 +128,11 @@ public: bool Load(wxString libname, int flags = wxDL_DEFAULT); + // detach the library object from its handle, i.e. prevent the object + // from unloading the library in its dtor -- the caller is now + // responsible for doing this + wxDllType Detach() { wxDllType h = m_handle; m_handle = 0; return h; } + // unload the library, also done automatically in dtor void Unload(); @@ -155,7 +163,7 @@ protected: // Platform specific shared lib suffix. - static const wxString ms_dllext; + static const wxChar *ms_dllext; // the handle to DLL or NULL @@ -164,7 +172,7 @@ protected: // no copy ctor/assignment operators // or we'd try to unload the library twice -DECLARE_NO_COPY_CLASS(wxDynamicLibrary) + DECLARE_NO_COPY_CLASS(wxDynamicLibrary) }; @@ -180,16 +188,16 @@ DECLARE_NO_COPY_CLASS(wxDynamicLibrary) // instantiate this class directly anyway, use wxPluginManager // instead. -class WXDLLEXPORT wxPluginLibrary : public wxDynamicLibrary +class WXDLLIMPEXP_BASE wxPluginLibrary : public wxDynamicLibrary { public: - static wxDLImports ms_classes; // Static hash of all imported classes. + static wxDLImports* ms_classes; // Static hash of all imported classes. wxPluginLibrary( const wxString &libname, int flags = wxDL_DEFAULT ); ~wxPluginLibrary(); - wxPluginLibrary *RefLib() { ++m_linkcount; return this; } + wxPluginLibrary *RefLib(); bool UnrefLib(); // These two are called by the PluginSentinel on (PLUGGABLE) object @@ -230,11 +238,11 @@ private: void RegisterModules(); // Init any wxModules in the lib. void UnregisterModules(); // Cleanup any wxModules we installed. -DECLARE_NO_COPY_CLASS(wxPluginLibrary) + DECLARE_NO_COPY_CLASS(wxPluginLibrary) }; -class WXDLLEXPORT wxPluginManager +class WXDLLIMPEXP_BASE wxPluginManager { public: @@ -253,7 +261,7 @@ public: // Instance methods. - wxPluginManager() : m_entry(0) {}; + wxPluginManager() : m_entry(NULL) {}; wxPluginManager(const wxString &libname, int flags = wxDL_DEFAULT) { Load(libname, flags); @@ -269,15 +277,25 @@ public: return m_entry->GetSymbol( symbol, success ); } + static void CreateManifest() { ms_manifest = new wxDLManifest(wxKEY_STRING); } + static void ClearManifest() { delete ms_manifest; ms_manifest = NULL; } + private: + // return the pointer to the entry for the library with given name in + // ms_manifest or NULL if none + static wxPluginLibrary *FindByName(const wxString& name) + { + const wxDLManifest::iterator i = ms_manifest->find(name); - static wxDLManifest ms_manifest; // Static hash of loaded libs. - wxPluginLibrary *m_entry; // Cache our entry in the manifest. + return i == ms_manifest->end() ? NULL : i->second; + } + + static wxDLManifest* ms_manifest; // Static hash of loaded libs. + wxPluginLibrary* m_entry; // Cache our entry in the manifest. // We could allow this class to be copied if we really // wanted to, but not without modification. - -DECLARE_NO_COPY_CLASS(wxPluginManager) + DECLARE_NO_COPY_CLASS(wxPluginManager) }; @@ -290,18 +308,18 @@ DECLARE_NO_COPY_CLASS(wxPluginManager) // serves as a namespace for its static member functions. #if WXWIN_COMPATIBILITY_2_2 -class WXDLLEXPORT wxDllLoader +class WXDLLIMPEXP_BASE wxDllLoader { public: - static wxDllType LoadLibrary(const wxString& name); + static wxDllType LoadLibrary(const wxString& name, bool *success = NULL); static void UnloadLibrary(wxDllType dll); static wxDllType GetProgramHandle() { return wxDynamicLibrary::GetProgramHandle(); } static void *GetSymbol(wxDllType dllHandle, const wxString &name, bool *success = 0); - static const wxString &GetDllExt() { return wxDynamicLibrary::GetDllExt(); } + static wxString GetDllExt() { return wxDynamicLibrary::GetDllExt(); } private: @@ -309,8 +327,6 @@ private: }; #endif - #endif // wxUSE_DYNAMIC_LOADER #endif // _WX_DYNAMICLOADER_H__ -// vi:sts=4:sw=4:et