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00020 #ifndef __XMMS_OBJECT_H__
00021 #define __XMMS_OBJECT_H__
00022
00023 #include <glib.h>
00024 #include "xmms/xmms_error.h"
00025 #include "xmmsc/xmmsc_idnumbers.h"
00026 #include "xmmsc/xmmsv.h"
00027 #include "xmmsc/xmmsv_coll.h"
00028
00029 #define XMMS_OBJECT_MID 0x00455574
00030
00031 G_BEGIN_DECLS
00032
00033 struct xmms_object_St;
00034 typedef struct xmms_object_St xmms_object_t;
00035 typedef struct xmms_object_cmd_desc_St xmms_object_cmd_desc_t;
00036
00037 typedef void (*xmms_object_destroy_func_t) (xmms_object_t *object);
00038
00039
00040
00041
00042 struct xmms_object_St {
00043 guint32 id;
00044 GMutex *mutex;
00045
00046 GTree *signals;
00047 GTree *cmds;
00048
00049 gint ref;
00050 xmms_object_destroy_func_t destroy_func;
00051 };
00052
00053
00054
00055 xmmsv_t *xmms_convert_and_kill_list (GList *list);
00056 xmmsv_t *xmms_convert_and_kill_dict (GTree *dict);
00057 xmmsv_t *xmms_convert_and_kill_string (gchar *str);
00058 xmmsv_t *xmms_convert_and_kill_bin (GString *gs);
00059
00060 int xmms_bin_to_gstring (xmmsv_t *value, GString **gs);
00061 int dummy_identity (xmmsv_t *value, xmmsv_t **arg);
00062 gboolean check_string_list (xmmsv_t *list);
00063
00064
00065
00066
00067 typedef void (*xmms_object_handler_t) (xmms_object_t *object, xmmsv_t *data, gpointer userdata);
00068
00069 #define XMMS_OBJECT_CMD_MAX_ARGS 6
00070 typedef struct {
00071 xmmsv_t *values[XMMS_OBJECT_CMD_MAX_ARGS];
00072 xmmsv_t *retval;
00073 xmms_error_t error;
00074 } xmms_object_cmd_arg_t;
00075
00076 typedef void (*xmms_object_cmd_func_t) (xmms_object_t *object, xmms_object_cmd_arg_t *arg);
00077
00078 struct xmms_object_cmd_desc_St {
00079 xmms_object_cmd_func_t func;
00080 xmmsv_type_t retval;
00081 xmmsv_type_t args[XMMS_OBJECT_CMD_MAX_ARGS];
00082 };
00083
00084 #define XMMS_OBJECT(p) ((xmms_object_t *)p)
00085 #define XMMS_IS_OBJECT(p) (XMMS_OBJECT (p)->id == XMMS_OBJECT_MID)
00086
00087 void xmms_object_cleanup (xmms_object_t *object);
00088
00089 void xmms_object_connect (xmms_object_t *object, guint32 signalid,
00090 xmms_object_handler_t handler, gpointer userdata);
00091
00092 void xmms_object_disconnect (xmms_object_t *object, guint32 signalid,
00093 xmms_object_handler_t handler, gpointer userdata);
00094
00095 void xmms_object_emit (xmms_object_t *object, guint32 signalid, xmmsv_t *data);
00096
00097 void xmms_object_emit_f (xmms_object_t *object, guint32 signalid,
00098 xmmsv_type_t type, ...);
00099
00100 void xmms_object_cmd_arg_init (xmms_object_cmd_arg_t *arg);
00101
00102 void xmms_object_cmd_add (xmms_object_t *object, guint cmdid, const xmms_object_cmd_desc_t *desc);
00103
00104 void xmms_object_cmd_call (xmms_object_t *object, guint cmdid, xmms_object_cmd_arg_t *arg);
00105
00106
00107
00108
00109 #define __XMMS_CMD_INIT_ARG_FULL(argn, argtypecode, extract_func) \
00110 argtypecode argval##argn; \
00111 g_return_if_fail (extract_func (arg->values[argn], &argval##argn));
00112
00113 #define __XMMS_CMD_INIT_ARG(argn, argtype, argtypecode) \
00114 __XMMS_CMD_INIT_ARG_FULL(argn, argtypecode, xmmsv_get_##argtype)
00115
00116 #define __XMMS_CMD_INIT_ARG_NONE(a)
00117 #define __XMMS_CMD_INIT_ARG_STRING(a) __XMMS_CMD_INIT_ARG(a, string, const gchar *)
00118 #define __XMMS_CMD_INIT_ARG_INT32(a) __XMMS_CMD_INIT_ARG(a, int, gint)
00119 #define __XMMS_CMD_INIT_ARG_COLL(a) __XMMS_CMD_INIT_ARG(a, coll, xmmsv_coll_t *)
00120 #define __XMMS_CMD_INIT_ARG_BIN(a) __XMMS_CMD_INIT_ARG_FULL(a, GString *, xmms_bin_to_gstring)
00121 #define __XMMS_CMD_INIT_ARG_LIST(a) __XMMS_CMD_INIT_ARG_FULL(a, xmmsv_t *, dummy_identity)
00122 #define __XMMS_CMD_INIT_ARG_DICT(a) __XMMS_CMD_INIT_ARG_FULL(a, xmmsv_t *, dummy_identity)
00123
00124 #define __XMMS_CMD_PRINT_ARG_NONE(a)
00125 #define __XMMS_CMD_PRINT_ARG_STRING(a) , argval##a
00126 #define __XMMS_CMD_PRINT_ARG_INT32(a) , argval##a
00127 #define __XMMS_CMD_PRINT_ARG_COLL(a) , argval##a
00128 #define __XMMS_CMD_PRINT_ARG_BIN(a) , argval##a
00129 #define __XMMS_CMD_PRINT_ARG_LIST(a) , argval##a
00130 #define __XMMS_CMD_PRINT_ARG_DICT(a) , argval##a
00131
00132 #define __XMMS_CMD_DO_RETVAL_NONE() arg->retval = xmmsv_new_none();
00133 #define __XMMS_CMD_DO_RETVAL_DICT() arg->retval = xmms_convert_and_kill_dict
00134 #define __XMMS_CMD_DO_RETVAL_INT32() arg->retval = xmmsv_new_int
00135 #define __XMMS_CMD_DO_RETVAL_LIST() arg->retval = xmms_convert_and_kill_list
00136 #define __XMMS_CMD_DO_RETVAL_STRING() arg->retval = xmms_convert_and_kill_string
00137 #define __XMMS_CMD_DO_RETVAL_COLL() arg->retval = xmmsv_new_coll
00138 #define __XMMS_CMD_DO_RETVAL_BIN() arg->retval =
00139
00140 #define __XMMS_CMD_DO_RETTYPE_NONE() void
00141 #define __XMMS_CMD_DO_RETTYPE_STRING() char *
00142 #define __XMMS_CMD_DO_RETTYPE_INT32() gint32
00143 #define __XMMS_CMD_DO_RETTYPE_COLL(a) xmmsv_coll_t *
00144 #define __XMMS_CMD_DO_RETTYPE_BIN(a) xmmsv_t *
00145 #define __XMMS_CMD_DO_RETTYPE_LIST(a) GList *
00146 #define __XMMS_CMD_DO_RETTYPE_DICT(a) GTree *
00147
00148 #define __XMMS_CMD_DO_ARGTYPE_NONE
00149 #define __XMMS_CMD_DO_ARGTYPE_STRING , const char *
00150 #define __XMMS_CMD_DO_ARGTYPE_INT32 , gint32
00151 #define __XMMS_CMD_DO_ARGTYPE_COLL , xmmsv_coll_t *
00152 #define __XMMS_CMD_DO_ARGTYPE_BIN , GString *
00153 #define __XMMS_CMD_DO_ARGTYPE_LIST , xmmsv_t *
00154 #define __XMMS_CMD_DO_ARGTYPE_DICT , xmmsv_t *
00155
00156
00157 #define XMMS_CMD_DEFINE6(cmdid, realfunc, argtype0, _rettype, argtype1, argtype2, argtype3, argtype4, argtype5, argtype6) \
00158 \
00159 static __XMMS_CMD_DO_RETTYPE_##_rettype() realfunc (argtype0 __XMMS_CMD_DO_ARGTYPE_##argtype1 __XMMS_CMD_DO_ARGTYPE_##argtype2 __XMMS_CMD_DO_ARGTYPE_##argtype3 __XMMS_CMD_DO_ARGTYPE_##argtype4 __XMMS_CMD_DO_ARGTYPE_##argtype5 __XMMS_CMD_DO_ARGTYPE_##argtype6, xmms_error_t *); \
00160 \
00161 static void \
00162 __int_xmms_cmd_##cmdid (xmms_object_t *object, xmms_object_cmd_arg_t *arg) \
00163 { \
00164 g_return_if_fail (XMMS_IS_OBJECT (object)); \
00165 __XMMS_CMD_INIT_ARG_##argtype1 (0) \
00166 __XMMS_CMD_INIT_ARG_##argtype2 (1) \
00167 __XMMS_CMD_INIT_ARG_##argtype3 (2) \
00168 __XMMS_CMD_INIT_ARG_##argtype4 (3) \
00169 __XMMS_CMD_INIT_ARG_##argtype5 (4) \
00170 __XMMS_CMD_INIT_ARG_##argtype6 (5) \
00171 __XMMS_CMD_DO_RETVAL_##_rettype() (realfunc ((argtype0)object __XMMS_CMD_PRINT_ARG_##argtype1(0) __XMMS_CMD_PRINT_ARG_##argtype2(1) __XMMS_CMD_PRINT_ARG_##argtype3(2) __XMMS_CMD_PRINT_ARG_##argtype4(3) __XMMS_CMD_PRINT_ARG_##argtype5(4) __XMMS_CMD_PRINT_ARG_##argtype6(5), &arg->error)); \
00172 } \
00173 static const xmms_object_cmd_desc_t __int_xmms_cmd_desc_##cmdid = { __int_xmms_cmd_##cmdid, XMMSV_TYPE_##_rettype, {XMMSV_TYPE_##argtype1, XMMSV_TYPE_##argtype2, XMMSV_TYPE_##argtype3, XMMSV_TYPE_##argtype4, XMMSV_TYPE_##argtype5, XMMSV_TYPE_##argtype6} }
00174
00175
00176 #define XMMS_CMD_DEFINE(cmdid, realfunc, argtype0, _rettype, argtype1, argtype2) XMMS_CMD_DEFINE6(cmdid, realfunc, argtype0, _rettype, argtype1, argtype2, NONE, NONE, NONE, NONE)
00177 #define XMMS_CMD_DEFINE3(cmdid, realfunc, argtype0, _rettype, argtype1, argtype2, argtype3) XMMS_CMD_DEFINE6(cmdid, realfunc, argtype0, _rettype, argtype1, argtype2, argtype3, NONE, NONE, NONE)
00178 #define XMMS_CMD_DEFINE4(cmdid, realfunc, argtype0, _rettype, argtype1, argtype2, argtype3, argtype4) XMMS_CMD_DEFINE6(cmdid, realfunc, argtype0, _rettype, argtype1, argtype2, argtype3, argtype4, NONE, NONE)
00179 #define XMMS_CMD_DEFINE5(cmdid, realfunc, argtype0, _rettype, argtype1, argtype2, argtype3, argtype4, argtype5) XMMS_CMD_DEFINE6(cmdid, realfunc, argtype0, _rettype, argtype1, argtype2, argtype3, argtype4, argtype5, NONE)
00180
00181 #define XMMS_CMD_FUNC(cmdid) &__int_xmms_cmd_desc_##cmdid
00182
00183
00184 void __int_xmms_object_unref (xmms_object_t *object);
00185 xmms_object_t *__int_xmms_object_new (gint size, xmms_object_destroy_func_t destfunc);
00186
00187 #define xmms_object_ref(obj) do { \
00188 if (obj && XMMS_IS_OBJECT (obj)) { \
00189 g_atomic_int_inc (&(XMMS_OBJECT (obj)->ref)); \
00190 } \
00191 } while (0)
00192
00193 #define xmms_object_unref(obj) do { \
00194 if (obj && XMMS_IS_OBJECT (obj)) { \
00195 __int_xmms_object_unref (XMMS_OBJECT (obj)); \
00196 } \
00197 } while (0)
00198
00199 #define xmms_object_new(objtype,destroyfunc) (objtype *) __int_xmms_object_new (sizeof (objtype), destroyfunc)
00200
00201 G_END_DECLS
00202
00203 #endif