diff options
Diffstat (limited to 'src/iemlib2/prepend_kernel.c')
| -rw-r--r-- | src/iemlib2/prepend_kernel.c | 351 |
1 files changed, 351 insertions, 0 deletions
diff --git a/src/iemlib2/prepend_kernel.c b/src/iemlib2/prepend_kernel.c new file mode 100644 index 0000000..d66c7be --- /dev/null +++ b/src/iemlib2/prepend_kernel.c @@ -0,0 +1,351 @@ +/* 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")); +} + |