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-rw-r--r--iemlib2/src/init.c196
1 files changed, 196 insertions, 0 deletions
diff --git a/iemlib2/src/init.c b/iemlib2/src/init.c
new file mode 100644
index 0000000..58e66df
--- /dev/null
+++ b/iemlib2/src/init.c
@@ -0,0 +1,196 @@
+/* For information on usage and redistribution, and for a DISCLAIMER OF ALL
+* WARRANTIES, see the file, "LICENSE.txt," in this distribution.
+
+iemlib2 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2006 */
+
+#include "m_pd.h"
+#include "iemlib.h"
+
+
+/* ------------------------ init ---------------------------- */
+/* -------- a combination of loadbang and any --------------- */
+
+static t_class *init_class;
+
+typedef struct _init
+{
+ t_object x_obj;
+ int x_n;
+ int x_ac;
+ t_atom *x_at;
+ t_symbol *x_sym;
+ t_atomtype x_type;
+} t_init;
+
+static void init_bang(t_init *x)
+{
+ if(x->x_type == A_FLOAT)
+ outlet_float(x->x_obj.ob_outlet, atom_getfloat(x->x_at));
+ else if(x->x_type == A_SYMBOL)
+ outlet_symbol(x->x_obj.ob_outlet, atom_getsymbol(x->x_at));
+ else if(x->x_type == A_NULL)
+ outlet_bang(x->x_obj.ob_outlet);
+ else if(x->x_type == A_COMMA)
+ outlet_anything(x->x_obj.ob_outlet, x->x_sym, x->x_ac, x->x_at);
+ else if(x->x_type == A_GIMME)
+ outlet_list(x->x_obj.ob_outlet, &s_list, x->x_ac, x->x_at);
+ else if(x->x_type == A_POINTER)
+ outlet_pointer(x->x_obj.ob_outlet, (t_gpointer *)x->x_at->a_w.w_gpointer);
+}
+
+static void init_loadbang(t_init *x)
+{
+ if(!sys_noloadbang)
+ init_bang(x);
+}
+
+static void init_float(t_init *x, t_floatarg f)
+{
+ x->x_ac = 1;
+ SETFLOAT(x->x_at, f);
+ x->x_sym = &s_float;
+ x->x_type = A_FLOAT;
+ outlet_float(x->x_obj.ob_outlet, f);
+}
+
+static void init_symbol(t_init *x, t_symbol *s)
+{
+ x->x_ac = 1;
+ SETSYMBOL(x->x_at, s);
+ x->x_sym = &s_symbol;
+ x->x_type = A_SYMBOL;
+ outlet_symbol(x->x_obj.ob_outlet, s);
+}
+
+static void init_pointer(t_init *x, t_gpointer *gp)
+{
+ x->x_ac = 1;
+ SETPOINTER(x->x_at, gp);
+ x->x_sym = &s_pointer;
+ x->x_type = A_POINTER;
+ outlet_pointer(x->x_obj.ob_outlet, gp);
+}
+
+static void init_list(t_init *x, t_symbol *s, int ac, t_atom *av)
+{
+ t_atom *at;
+
+ if(ac > x->x_n)
+ {
+ if(x->x_at)
+ freebytes(x->x_at, x->x_n * sizeof(t_atom));
+ x->x_n = ac;
+ x->x_at = (t_atom *)getbytes(x->x_n * sizeof(t_atom));
+ }
+ x->x_ac = ac;
+ x->x_sym = &s_list;
+ at = x->x_at;
+ while(ac--)
+ *at++ = *av++;
+ x->x_type = A_GIMME;
+ outlet_list(x->x_obj.ob_outlet, &s_list, x->x_ac, x->x_at);
+}
+
+static void init_anything(t_init *x, t_symbol *s, int ac, t_atom *av)
+{
+ t_atom *at;
+
+ if(ac > x->x_n)
+ {
+ if(x->x_at)
+ freebytes(x->x_at, x->x_n * sizeof(t_atom));
+ x->x_n = ac;
+ x->x_at = (t_atom *)getbytes(x->x_n * sizeof(t_atom));
+ }
+ x->x_ac = ac;
+ x->x_sym = s;
+ at = x->x_at;
+ while(ac--)
+ *at++ = *av++;
+ x->x_type = A_COMMA;
+ outlet_anything(x->x_obj.ob_outlet, x->x_sym, x->x_ac, x->x_at);
+}
+
+static void init_free(t_init *x)
+{
+ if(x->x_at)
+ freebytes(x->x_at, x->x_n * sizeof(t_atom));
+}
+
+static void *init_new(t_symbol *s, int ac, t_atom *av)
+{
+ t_init *x = (t_init *)pd_new(init_class);
+ int i;
+
+ x->x_type = A_NULL;
+ if(!ac)
+ {
+ x->x_type = A_NULL;
+ x->x_sym = &s_bang;
+ x->x_n = 1;
+ x->x_ac = 0;
+ x->x_at = (t_atom *)getbytes(x->x_n * sizeof(t_atom));
+ }
+ else if(ac == 1)
+ {
+ if(IS_A_SYMBOL(av,0))
+ {
+ x->x_type = A_COMMA;
+ x->x_sym = atom_getsymbol(av);
+ x->x_n = 1;
+ x->x_ac = 0;
+ x->x_at = (t_atom *)getbytes(x->x_n * sizeof(t_atom));
+ }
+ else
+ {
+ if(IS_A_FLOAT(av,0))
+ {
+ x->x_type = A_FLOAT;
+ x->x_sym = &s_float;
+ }
+ else if(IS_A_POINTER(av,0))
+ {
+ x->x_type = A_POINTER;
+ x->x_sym = &s_pointer;
+ }
+ x->x_n = x->x_ac = 1;
+ x->x_at = (t_atom *)getbytes(x->x_n * sizeof(t_atom));
+ x->x_at[0] = *av;
+ }
+ }
+ else
+ {
+ if(IS_A_SYMBOL(av,0))
+ {
+ x->x_type = A_COMMA;/*for anything*/
+ x->x_sym = atom_getsymbol(av++);
+ ac--;
+ }
+ else
+ {
+ x->x_type = A_GIMME;
+ x->x_sym = &s_list;
+ }
+ x->x_n = x->x_ac = ac;
+ x->x_at = (t_atom *)getbytes(x->x_n * sizeof(t_atom));
+ for(i=0; i<ac; i++)
+ x->x_at[i] = *av++;
+ }
+ outlet_new(&x->x_obj, &s_list);
+ return (x);
+}
+
+void init_setup(void)
+{
+ init_class = class_new(gensym("init"), (t_newmethod)init_new,
+ (t_method)init_free, sizeof(t_init), 0, A_GIMME, 0);
+ class_addcreator((t_newmethod)init_new, gensym("ii"), A_GIMME, 0);
+ class_addmethod(init_class, (t_method)init_loadbang, gensym("loadbang"), 0);
+ class_addbang(init_class, (t_method)init_bang);
+ class_addanything(init_class, init_anything);
+ class_addlist(init_class, init_list);
+ class_addpointer(init_class, init_pointer);
+ class_addfloat(init_class, (t_method)init_float);
+ class_addsymbol(init_class, init_symbol);
+// class_sethelpsymbol(init_class, gensym("iemhelp/help-init"));
+}