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-rw-r--r--src/iemlib2/prepend_kernel.c351
1 files changed, 351 insertions, 0 deletions
diff --git a/src/iemlib2/prepend_kernel.c b/src/iemlib2/prepend_kernel.c
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+++ b/src/iemlib2/prepend_kernel.c
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+/* Copyright (c) 1997-2003 Miller Puckette.
+* 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 (c) IEM KUG Graz Austria 2000 - 2003 */
+
+#ifdef NT
+#pragma warning( disable : 4244 )
+#pragma warning( disable : 4305 )
+#endif
+
+#include "m_pd.h"
+#include "iemlib.h"
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+#include <math.h>
+
+
+/* ------------------------ prepend_kernel ---------------------------- */
+static t_class *prepend_kernel_class;
+
+typedef struct _prepend_kernel
+{
+ t_object x_obj;
+ int x_inlet_select;
+ int x_size12;
+ int x_size2;
+ int x_ac1;
+ int x_ac2;
+ t_atom *x_at12;
+ t_atom *x_at2;
+ t_symbol *x_sym1;
+ t_symbol *x_sym2;
+ t_atomtype x_type1;
+ t_atomtype x_type2;
+} t_prepend_kernel;
+
+static void prepend_kernel_atcopy(t_atom *src, t_atom *dst, int n)
+{
+ while(n--)
+ *dst++ = *src++;
+}
+
+static void prepend_kernel_merge(t_prepend_kernel *x, int off)
+{
+ if((x->x_ac1+x->x_ac2) > x->x_size1)
+ {
+ x->x_at1 = (t_atom *)resizebytes(x->x_at1, x->x_size1*sizeof(t_atom), 2*(x->x_ac1+x->x_ac2)*sizeof(t_atom));
+ x->x_size1 = 2*(x->x_ac1+x->x_ac2);
+ }
+ if(off)
+ SETSYMBOL(x->x_at1 + x->x_ac1, x->x_sym2);
+ prepend_kernel_atcopy(x->x_at2, x->x_at1 + x->x_ac1 + off, x->x_ac2);
+}
+
+static void prepend_kernel_out(t_prepend_kernel *x)
+{
+ int off=0;
+
+ if(x->x_type1 == A_GIMME)
+ {
+ if(x->x_type2 == A_COMMA)
+ off = 1;
+ else
+ off = 0;
+ prepend_kernel_merge(x, off);
+ outlet_list(x->x_obj.ob_outlet, &s_list, x->x_ac1+x->x_ac2+off, x->x_at1);
+ }
+ else if(x->x_type1 == A_COMMA)
+ {
+ if(x->x_type2 == A_COMMA)
+ off = 1;
+ else
+ off = 0;
+ prepend_kernel_merge(x, off);
+ outlet_anything(x->x_obj.ob_outlet, x->x_sym1, x->x_ac1+x->x_ac2+off, x->x_at1);
+ }
+ else if(x->x_type1 == A_NULL)/*depends on 2.part*/
+ {
+ prepend_kernel_merge(x, 0);
+ if(x->x_type2 == A_GIMME)
+ outlet_list(x->x_obj.ob_outlet, &s_list, x->x_ac2, x->x_at1);
+ else if(x->x_type2 == A_COMMA)
+ outlet_anything(x->x_obj.ob_outlet, x->x_sym2, x->x_ac2, x->x_at1);
+ else if(x->x_type2 == A_FLOAT)
+ outlet_float(x->x_obj.ob_outlet, atom_getfloat(x->x_at1));
+ else if(x->x_type2 == A_SYMBOL)
+ outlet_symbol(x->x_obj.ob_outlet, atom_getsymbol(x->x_at1));
+ else if(x->x_type2 == A_NULL)
+ outlet_bang(x->x_obj.ob_outlet);
+ else if(x->x_type2 == A_POINTER)
+ outlet_pointer(x->x_obj.ob_outlet, (t_gpointer *)x->x_at1->a_w.w_gpointer);
+ }
+ else
+ {
+ if(x->x_type2 == A_COMMA)
+ off = 1;
+ else
+ off = 0;
+ prepend_kernel_merge(x, off);
+ if(x->x_type2 == A_NULL)
+ {
+ if(x->x_type1 == A_FLOAT)
+ outlet_float(x->x_obj.ob_outlet, atom_getfloat(x->x_at1));
+ else if(x->x_type1 == A_SYMBOL)
+ outlet_symbol(x->x_obj.ob_outlet, atom_getsymbol(x->x_at1));
+ else if(x->x_type1 == A_POINTER)
+ outlet_pointer(x->x_obj.ob_outlet, (t_gpointer *)x->x_at1->a_w.w_gpointer);
+ }
+ else
+ outlet_list(x->x_obj.ob_outlet, &s_list, x->x_ac1+x->x_ac2+off, x->x_at1);
+ }
+}
+
+static void prepend_kernel_inlet_select(t_prepend_kernel *x, t_floatarg fin_sel_01)
+{
+ x->x_inlet_select = (int)fin_sel_01;
+}
+
+static void prepend_kernel_bang(t_prepend_kernel *x)
+{
+ if(!x->x_inlet_select) /* if 2nd inlet */
+ {
+ x->x_ac2 = 0;
+ x->x_type2 = A_NULL;
+ x->x_sym2 = &s_list;
+ }
+ else /* if 1st inlet */
+ {
+ x->x_ac1 = 0;
+ x->x_type1 = A_NULL;
+ prepend_kernel_out(x);
+ }
+}
+
+static void prepend_kernel_float(t_prepend_kernel *x, t_float f)
+{
+ if(!x->x_inlet_select) /* if 2nd inlet */
+ {
+ x->x_ac2 = 1;
+ x->x_type2 = A_FLOAT;
+ SETFLOAT(x->x_at2, f);
+ x->x_sym2 = &s_list;
+ }
+ else /* if 1st inlet */
+ {
+ x->x_ac1 = 1;
+ x->x_type1 = A_FLOAT;
+ SETFLOAT(x->x_at1, f);
+ prepend_kernel_out(x);
+ }
+}
+
+static void prepend_kernel_symbol(t_prepend_kernel *x, t_symbol *s)
+{
+ if(!x->x_inlet_select) /* if 2nd inlet */
+ {
+ x->x_ac2 = 1;
+ x->x_type2 = A_SYMBOL;
+ SETSYMBOL(x->x_at2, s);
+ x->x_sym2 = &s_list;
+ }
+ else /* if 1st inlet */
+ {
+ x->x_ac1 = 1;
+ x->x_type1 = A_SYMBOL;
+ SETSYMBOL(x->x_at12, s);
+ prepend_kernel_out(x);
+ }
+}
+
+static void prepend_kernel_pointer(t_prepend_kernel *x, t_gpointer *gp)
+{
+ if(x->x_inlet_select) /* if 2nd inlet */
+ {
+ x->x_ac2 = 1;
+ x->x_type2 = A_POINTER;
+ SETPOINTER(x->x_at2, gp);
+ x->x_sym2 = &s_list;
+ }
+ else /* if 1st inlet */
+ {
+ x->x_ac1 = 1;
+ x->x_type1 = A_POINTER;
+ SETPOINTER(x->x_at12, gp);
+ prepend_kernel_out(x);
+ }
+}
+
+static void prepend_kernel_list(t_prepend_kernel *x, t_symbol *s, int ac, t_atom *av)
+{
+ if(x->x_inlet_select) /* if 2nd inlet */
+ {
+ if(ac > x->x_size2)
+ {
+ x->x_at2 = (t_atom *)resizebytes(x->x_at2, x->x_size2*sizeof(t_atom), 2*ac*sizeof(t_atom));
+ x->x_size2 = 2*ac;
+ }
+ x->x_ac2 = ac;
+ x->x_type2 = A_GIMME;
+ x->x_sym2 = &s_list;
+ prepend_kernel_atcopy(av, x->x_at2, ac);
+ }
+ else /* if 1st inlet */
+ {
+ if((x->x_ac1+ac) > x->x_size12)
+ {
+ x->x_at12 = (t_atom *)resizebytes(x->x_at12, x->x_size12*sizeof(t_atom), 2*(x->x_ac1+ac)*sizeof(t_atom));
+ x->x_size12 = 2*(x->x_ac1+ac);
+ }
+ x->x_ac1 = ac;
+ x->x_type1 = A_GIMME;
+ prepend_kernel_atcopy(av, x->x_at12, ac);
+ x->x_sym1 = &s_list;
+ prepend_kernel_out(x);
+ }
+}
+
+static void prepend_kernel_anything(t_prepend_kernel *x, t_symbol *s, int ac, t_atom *av)
+{
+ if(x->x_inlet_select) /* if 2nd inlet */
+ {
+ if((ac+1) > x->x_size2)
+ {
+ x->x_at2 = (t_atom *)resizebytes(x->x_at2, x->x_size2*sizeof(t_atom), 2*ac*sizeof(t_atom));
+ x->x_size2 = 2*ac;
+ }
+ SETSYMBOL(x->x_at2, s);
+ x->x_ac2 = ac;
+ x->x_type2 = A_COMMA;
+ x->x_sym2 = s;
+ prepend_kernel_atcopy(av, x->x_at2, ac);
+ }
+ else /* if 1st inlet */
+ {
+ if((x->x_ac1+ac) > x->x_size12)
+ {
+ x->x_at12 = (t_atom *)resizebytes(x->x_at12, x->x_size12*sizeof(t_atom), (2*x->x_ac1+ac)*sizeof(t_atom));
+ x->x_size12 = (2*x->x_ac1+ac);
+ }
+ x->x_ac1 = ac;
+ x->x_type1 = A_COMMA;
+ prepend_kernel_atcopy(av, x->x_at12, ac);
+ x->x_sym1 = s;
+ prepend_kernel_out(x);
+ }
+}
+
+static void prepend_kernel_free(t_prepend_kernel *x)
+{
+ if(x->x_at1)
+ freebytes(x->x_at1, x->x_size1 * sizeof(t_atom));
+}
+
+static void *prepend_kernel_new(void)
+{
+ t_prepend_kernel *x = (t_prepend_kernel *)pd_new(prepend_kernel_class);
+ t_glist *glist = (t_glist *)canvas_getcurrent();
+ t_canvas *canvas=glist_getcanvas(glist);
+ int ac=0;
+ t_atom *av;
+
+ x->x_type2 = A_NULL;
+ x->x_sym2 = &s_list;
+ x->x_ac2 = 0;
+
+ canvas_setcurrent(canvas);
+ canvas_getargs(&ac, &av);
+ canvas_unsetcurrent(canvas);
+
+ x->x_type1 = A_NULL;
+ if(!ac)
+ {
+ x->x_type1 = A_NULL;
+ x->x_sym1 = &s_bang;
+ x->x_size1 = 10;
+ x->x_ac1 = 0;
+ x->x_at1 = (t_atom *)getbytes(x->x_size1 * sizeof(t_atom));
+ }
+ else if(ac == 1)
+ {
+ if(IS_A_SYMBOL(av,0))
+ {
+ x->x_type1 = A_COMMA;
+ x->x_sym1 = atom_getsymbol(av);
+ x->x_size1 = 10;
+ x->x_ac1 = 0;
+ x->x_at1 = (t_atom *)getbytes(x->x_size1 * sizeof(t_atom));
+ }
+ else
+ {
+ if(IS_A_FLOAT(av,0))
+ {
+ x->x_type1 = A_FLOAT;
+ x->x_sym1 = &s_float;
+ }
+ else if(IS_A_POINTER(av,0))
+ {
+ x->x_type1 = A_POINTER;
+ x->x_sym1 = &s_pointer;
+ }
+ x->x_size1 = 11;
+ x->x_ac1 = 1;
+ x->x_at1 = (t_atom *)getbytes(x->x_size1 * sizeof(t_atom));
+ x->x_at1[0] = *av;
+ }
+ }
+ else /* ac > 1 */
+ {
+ if(IS_A_SYMBOL(av,0))
+ {
+ x->x_type1 = A_COMMA;/*for anything*/
+ x->x_sym1 = atom_getsymbol(av++);
+ ac--;
+ }
+ else
+ {
+ x->x_type1 = A_GIMME;
+ x->x_sym1 = &s_list;
+ }
+ x->x_size1 = ac + 10;
+ x->x_ac1 = ac;
+ x->x_at1 = (t_atom *)getbytes(x->x_size1 * sizeof(t_atom));
+ prepend_kernel_atcopy(av, x->x_at1, ac);
+ }
+
+ x->x_inlet_select = 1;
+ outlet_new(&x->x_obj, &s_list);
+ return (x);
+}
+
+void prepend_kernel_setup(void)
+{
+ char str[2];
+
+ str[0] = 1;
+ str[1] = 0;
+ prepend_kernel_class = class_new(gensym("prepend_kernel"),
+ (t_newmethod)prepend_kernel_new, (t_method)prepend_kernel_free,
+ sizeof(t_prepend_kernel), 0, 0);
+ class_addbang(prepend_kernel_class, (t_method)prepend_kernel_bang);
+ class_addpointer(prepend_kernel_class, prepend_kernel_pointer);
+ class_addfloat(prepend_kernel_class, (t_method)prepend_kernel_float);
+ class_addsymbol(prepend_kernel_class, prepend_kernel_symbol);
+ class_addlist(prepend_kernel_class, prepend_kernel_list);
+ class_addmethod(prepend_kernel_class, (t_method)prepend_kernel_inlet_select, gensym(str), A_FLOAT, 0);
+ class_addanything(prepend_kernel_class, prepend_kernel_anything);
+ class_sethelpsymbol(prepend_kernel_class, gensym("iemhelp/help-merge_any"));
+}
+