Introducing Hercules Plugin Mananger

http://hercules.ws/board/topic/549-introducing-hercules-plugin-manager/
Signed-off-by: shennetsind <ind@henn.et>

1 files changed, 83 insertions, 0 deletions

diff --git a/src/common/HPM.h b/src/common/HPM.h
new file mode 100644
index 000000000..ac2c4050f
--- /dev/null
+++ b/src/common/HPM.h
@@ -0,0 +1,83 @@
+// Copyright (c) Hercules Dev Team, licensed under GNU GPL.
+// See the LICENSE file
+
+#ifndef	_HPM_H_
+#define _HPM_H_
+
+#include "../common/cbasetypes.h"
+#include "../common/HPMi.h"
+
+#ifdef WIN32
+	#ifndef WIN32_LEAN_AND_MEAN
+		#define WIN32_LEAN_AND_MEAN
+	#endif
+	#include <windows.h>
+	#define plugin_open(x)		LoadLibraryA(x)
+	#define plugin_import(x,y,z)	(z)GetProcAddress(x,y)
+	#define plugin_close(x)	FreeLibrary(x)
+
+	#define DLL_EXT			".dll"
+	#define DLL				HINSTANCE
+#else
+	#include <dlfcn.h>
+	#define plugin_open(x)		dlopen(x,RTLD_NOW)
+	#define plugin_import(x,y,z)	(z)dlsym(x,y)
+	#define plugin_close(x)	dlclose(x)
+
+	#ifdef CYGWIN
+		#define DLL_EXT		".dll"
+	#else
+		#define DLL_EXT		".so"
+	#endif
+
+	#define DLL				void *
+
+	#include <string.h> // size_t
+
+#endif
+
+struct hplugin {
+	DLL dll;
+	unsigned int idx;
+	char *filename;
+	struct hplugin_info *info;
+	struct HPMi_interface *hpi;
+};
+
+struct hpm_symbol {
+	char *name;
+	void *ptr;
+};
+
+/* Hercules Plugin Manager Interface */
+struct HPM_interface {
+	/* vars */
+	unsigned int version[2];
+	bool off;
+	/* data */
+	struct hplugin **plugins;
+	unsigned int plugin_count;
+	struct hpm_symbol **symbols;
+	unsigned int symbol_count;
+	/* funcs */
+	void (*init) (void);
+	void (*final) (void);
+	struct hplugin * (*create) (void);
+	void (*load) (const char* filename);
+	void (*unload) (struct hplugin* plugin);
+	bool (*exists) (const char *filename);
+	bool (*iscompatible) (char* version);
+	void (*event) (enum hp_event_types type);
+	void *(*import_symbol) (char *);
+	void (*share) (void *, char *);
+	void (*symbol_defaults) (void);
+	void (*config_read) (void);
+	bool (*showmsg_pop) (struct hplugin *plugin,const char *filename);
+	void (*symbol_defaults_sub) (void);
+} HPM_s;
+
+struct HPM_interface *HPM;
+
+void hpm_defaults(void);
+
+#endif /* _HPM_H_ */
\ No newline at end of file