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-rw-r--r--include/dynamic.h63
1 files changed, 39 insertions, 24 deletions
diff --git a/include/dynamic.h b/include/dynamic.h
index 703120fc0..3a312a382 100644
--- a/include/dynamic.h
+++ b/include/dynamic.h
@@ -30,35 +30,34 @@
*/
class CoreExport DLLManager : public classbase
{
- protected:
- /** The last error string
- */
+ private:
+ /** The last error string. */
std::string err;
- /** Sets the last error string
- */
+ /** The module library handle. */
+#ifdef _WIN32
+ HMODULE lib;
+#else
+ void* lib;
+#endif
+
+ /** The filename of the module library. */
+ const std::string libname;
+
+ /** Sets the last error string. */
void RetrieveLastError();
public:
- /** This constructor loads the module using dlopen()
- * @param fname The filename to load. This should be within
- * the modules dir.
- */
- DLLManager(const char *fname);
- virtual ~DLLManager();
-
- /** Get the last error from dlopen() or dlsym().
+ /** Attempts to load the specified module.
+ * @param name The name of the library to load.
*/
- const std::string& LastError()
- {
- return err;
- }
+ DLLManager(const std::string& name);
- /** The module library handle.
- */
- void *h;
+ /** Unloads the module if one was loaded. */
+ ~DLLManager();
- /** Return a module by calling the init function
+ /** Attempts to create a new module instance from this shared library.
+ * @return Either a new instance of the Module class or NULL on error.
*/
Module* CallInit();
@@ -66,8 +65,24 @@ class CoreExport DLLManager : public classbase
* @param name The name of the symbol to retrieve.
* @return Either the value of the specified symbol or or NULL if it does not exist.
*/
- void* GetSymbol(const char* name);
+ void* GetSymbol(const char* name) const;
+
+ /** Retrieves the value of the specified symbol and casts it to the requested type.
+ * @param name The name of the symbol to retrieve.
+ * @return Either the value of the specified symbol or or NULL if it does not exist.
+ */
+ template <typename TReturn>
+ TReturn* GetSymbol(const char* name) const
+ {
+ return static_cast<TReturn*>(GetSymbol(name));
+ }
+
+ /** Retrieves the module version from the dynamic library. */
+ const char* GetVersion() const { return GetSymbol<const char>(MODULE_STR_VERSION); }
+
+ /** Retrieves the last error which occurred or an empty string if no errors have occurred. */
+ const std::string& LastError() const { return err; }
- /** Get detailed version information from the module file */
- std::string GetVersion();
+ /** Retrieves the filename of the underlying shared library. */
+ const std::string& LibraryName() const { return libname; }
};