From 8b0873392ad0db55fdb9d0cdfc670366bc96a9c9 Mon Sep 17 00:00:00 2001 From: Hans-Christoph Steiner Date: Mon, 26 Apr 2010 03:10:47 +0000 Subject: converted maxlib to use libdir template, in preparations for debianizing it svn path=/trunk/externals/maxlib/; revision=13476 --- allow.c | 112 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 112 insertions(+) create mode 100644 allow.c (limited to 'allow.c') diff --git a/allow.c b/allow.c new file mode 100644 index 0000000..a8a6238 --- /dev/null +++ b/allow.c @@ -0,0 +1,112 @@ +/* ---------------------------- allow --------------------------------------- */ +/* */ +/* Lets only floats/symbols through that are allowed to do so. */ +/* Written by Olaf Matthes */ +/* Get source at http://www.akustische-kunst.org/puredata/maxlib/ */ +/* */ +/* This program is free software; you can redistribute it and/or */ +/* modify it under the terms of the GNU General Public License */ +/* as published by the Free Software Foundation; either version 2 */ +/* of the License, or (at your option) any later version. */ +/* */ +/* This program is distributed in the hope that it will be useful, */ +/* but WITHOUT ANY WARRANTY; without even the implied warranty of */ +/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */ +/* GNU General Public License for more details. */ +/* */ +/* You should have received a copy of the GNU General Public License */ +/* along with this program; if not, write to the Free Software */ +/* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ +/* */ +/* Based on PureData by Miller Puckette and others. */ +/* */ +/* ---------------------------------------------------------------------------- */ + +#include "m_pd.h" +#include + +static char *version = "allow v0.1, written by Olaf Matthes "; + +typedef struct allow +{ + t_object x_obj; + t_outlet *x_out; + t_atom *x_elem; // list of elemets that are allowed to pass + t_int x_numelem; // the number of elemetns in our allow-list +} t_allow; + + /* we got a symbol... */ +static void allow_symbol(t_allow *x, t_symbol *s) +{ + int i; + for(i = 0; i < x->x_numelem; i++) + { + if(x->x_elem[i].a_type == A_SYMBOL) // compare with all symbols in our list + if(atom_getsymbolarg(i, x->x_numelem, x->x_elem) == s) + { + outlet_symbol(x->x_out, s); + return; + } + } +} + + /* we got a float... */ +static void allow_float(t_allow *x, t_floatarg f) +{ + int i; + for(i = 0; i < x->x_numelem; i++) + { + if(x->x_elem[i].a_type == A_FLOAT) // compare with all floats in our list + if(atom_getfloatarg(i, x->x_numelem, x->x_elem) == f) + { + outlet_float(x->x_out, f); + return; + } + } +} + +static t_class *allow_class; + +static void allow_free(t_allow *x) +{ + freebytes(x->x_elem, x->x_numelem*sizeof(t_atom)); +} + +static void *allow_new(t_symbol *s, int argc, t_atom *argv) +{ + t_allow *x = (t_allow *)pd_new(allow_class); + + x->x_numelem = argc; // get the number of elements + x->x_elem = getbytes(argc*sizeof(t_atom)); + memcpy(x->x_elem, argv, argc*sizeof(t_atom)); + + x->x_out = outlet_new(&x->x_obj, gensym("anything")); + + // post("allow: got %d elements", x->x_numelem); + + return (x); +} + +#ifndef MAXLIB +void allow_setup(void) +{ + /* the object's class: */ + allow_class = class_new(gensym("allow"), (t_newmethod)allow_new, + (t_method)allow_free, sizeof(t_allow), 0, A_GIMME, 0); +#else +void maxlib_allow_setup(void) +{ + /* the object's class: */ + allow_class = class_new(gensym("maxlib_allow"), (t_newmethod)allow_new, + (t_method)allow_free, sizeof(t_allow), 0, A_GIMME, 0); + class_addcreator((t_newmethod)allow_new, gensym("allow"), A_GIMME, 0); +#endif + class_addsymbol(allow_class, allow_symbol); + class_addfloat(allow_class, allow_float); +#ifndef MAXLIB + + post(version); +#else + class_sethelpsymbol(allow_class, gensym("maxlib/allow-help.pd")); +#endif +} -- cgit v1.2.1