diff options
Diffstat (limited to 'pdstring+wchar/src/any2string_static.c')
| -rw-r--r-- | pdstring+wchar/src/any2string_static.c | 246 |
1 files changed, 246 insertions, 0 deletions
diff --git a/pdstring+wchar/src/any2string_static.c b/pdstring+wchar/src/any2string_static.c new file mode 100644 index 0000000..50da35d --- /dev/null +++ b/pdstring+wchar/src/any2string_static.c @@ -0,0 +1,246 @@ +/* -*- Mode: C -*- */ +/*=============================================================================*\ + * File: any2string_static.c + * Author: Bryan Jurish <moocow@ling.uni-potsdam.de> + * Description: convert pd messages to strings (static buffer allocation) + * + * Copyright (c) 2004 - 2007 Bryan Jurish. + * + * For information on usage and redistribution, and for a DISCLAIMER OF ALL + * WARRANTIES, see the file "COPYING", in this distribution. + * + * 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. + *=============================================================================*/ + +#include <string.h> +#include <stdio.h> + +#include <m_pd.h> + +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif + +/* black magic */ +#ifdef NT +#pragma warning( disable : 4244 ) +#pragma warning( disable : 4305 ) +#endif + +/*-------------------------------------------------------------------- + * DEBUG + *--------------------------------------------------------------------*/ +/*#define ANY2STRING_DEBUG 1*/ +/*#undef ANY2STRING_DEBUG*/ + +#ifdef ANY2STRING_DEBUG +# define A2SDEBUG(x) x +#else +# define A2SDEBUG(x) +#endif + +#define ANY2STRING_DEFAULT_BUFLEN 512 + + +/*===================================================================== + * Structures and Types: any2string + *=====================================================================*/ +static t_class *any2string_class; + +typedef struct _any2string +{ + t_object x_obj; + int x_alloc; //-- buffer size (text, x_argv) + int x_argc; //-- current number of atoms to outlet + t_atom *x_argv; //-- float-list to outlet + t_outlet *x_outlet; //-- outlet +} t_any2string; + + +/*===================================================================== + * Utilities + *=====================================================================*/ + +/*-------------------------------------------------------------------- + * append_string + */ +static void any2string_append_string(t_any2string *x, char *s, unsigned int maxlen, int doescape) +{ + char *sp; + char *ep = s+maxlen; + + for (sp=s; *sp && sp<ep && *sp && x->x_argc<x->x_alloc; sp++, x->x_argc++) { + if (doescape && (*sp==';' || *sp==',' || *sp=='\\' + || (*sp == '$' && sp<(ep-1) && sp[1] >= '0' && sp[1] <= '9'))) + { + A2SDEBUG(post("any2string_append_string: ESCAPE: x_argv[%d] = '%c' = %d", x->x_argc, '\\', '\\')); + x->x_argv[x->x_argc++].a_w.w_float = '\\'; + if (x->x_argc >= x->x_alloc) break; + } + A2SDEBUG(post("any2string_append_string: x_argv[%d] = '%c' = %d", x->x_argc, *sp, *sp)); + x->x_argv[x->x_argc].a_w.w_float = *sp; + } +} + +/*-------------------------------------------------------------------- + * append_atom + */ +#define ANY2STRING_APPEND_BUFSIZE 30 +static void any2string_append_atom(t_any2string *x, t_atom *a) +{ + char buf[ANY2STRING_APPEND_BUFSIZE]; + A2SDEBUG(post("~~ any2string_append_atom(%p,...) ~~", x)); + + if (x->x_argc >= x->x_alloc) { return; } + + /*-- stringify a single atom (inspired by atom_string() from m_atom.c) --*/ + switch (a->a_type) { + case A_SEMI: any2string_append_string(x, ";", 1, 0); break; + case A_COMMA: any2string_append_string(x, ",", 1, 0); break; + case A_POINTER: any2string_append_string(x, "(pointer)", 9, 0); break; + case A_FLOAT: + snprintf(buf, ANY2STRING_APPEND_BUFSIZE, "%g", a->a_w.w_float); + any2string_append_string(x, buf, ANY2STRING_APPEND_BUFSIZE, 0); + break; + case A_SYMBOL: + any2string_append_string(x, a->a_w.w_symbol->s_name, strlen(a->a_w.w_symbol->s_name), 1); + break; + case A_DOLLAR: + snprintf(buf, ANY2STRING_APPEND_BUFSIZE, "$%d", a->a_w.w_index); + any2string_append_string(x, buf, ANY2STRING_APPEND_BUFSIZE, 0); + break; + case A_DOLLSYM: + any2string_append_string(x, a->a_w.w_symbol->s_name, strlen(a->a_w.w_symbol->s_name), 0); + break; + default: + pd_error(x,"any2string_append_atom: unknown atom type '%d'", a->a_type); + break; + } + + if (x->x_argc < x->x_alloc) { + A2SDEBUG(post("any2string_append_atom[%p]: x_argv[%d] = '%c' = %d", x, x->x_argc, ' ', ' ')); + x->x_argv[x->x_argc++].a_w.w_float = ' '; + } +} + +/*===================================================================== + * Methods + *=====================================================================*/ + +/*-------------------------------------------------------------------- + * anything + */ +static void any2string_anything(t_any2string *x, t_symbol *sel, int argc, t_atom *argv) +{ + t_atom *argv_end = argv+argc; + x->x_argc=0; + + A2SDEBUG(post("-------any2string_anything(%p,...) ---------", x)); + + /*-- stringify selector (maybe) --*/ + if (sel != &s_float && sel != &s_list && sel != &s_) { + t_atom a; + SETSYMBOL(&a,sel); + any2string_append_atom(x, &a); + } + + /*-- stringify arg list --*/ + for ( ; argv<argv_end && x->x_argc<x->x_alloc; argv++) { + any2string_append_atom(x, argv); + } + + /*-- add terminating NUL (if we can) --*/ + A2SDEBUG(post("any2string[%p]: terminating NUL: x_argv[%d]=0", x, x->x_argc-1)); + if (x->x_argc >= x->x_alloc) { + pd_error(x, "any2string: input length exceeds buffer size!"); + x->x_argc = x->x_alloc; + x->x_argv[x->x_argc-1].a_w.w_float = '*'; //-- simulate atom_string() behavior + } else if (x->x_argc > 0) { + x->x_argv[x->x_argc-1].a_w.w_float = 0; + } + + A2SDEBUG(post("any2string[%p]: outlet_list(..., %d, ...)", x, x->x_argc)); + outlet_list(x->x_outlet, &s_list, x->x_argc, x->x_argv); +} + + +/*-------------------------------------------------------------------- + * new + */ +static void *any2string_new(t_floatarg bufsize) +{ + t_any2string *x = (t_any2string *)pd_new(any2string_class); + int i; + + //-- bufsize + if (bufsize <= 0) { + x->x_alloc = ANY2STRING_DEFAULT_BUFLEN; + } else { + x->x_alloc = bufsize; + } + A2SDEBUG(post("any2string_new: buf_req=%g, alloc=%d", bufsize, x->x_alloc)); + + //-- defaults + x->x_argc = 0; + x->x_argv = (t_atom*)getbytes(x->x_alloc*sizeof(t_atom)); + + //-- initialize (set a_type) + for (i=0; i < x->x_alloc; i++) { + SETFLOAT((x->x_argv+i),0); + } + + //-- outlets + x->x_outlet = outlet_new(&x->x_obj, &s_list); + A2SDEBUG(post("any2string_new: x=%p, alloc=%d, argv=%p, nbytes=%d", x, x->x_alloc,x->x_argv,x->x_alloc*sizeof(t_atom))); + return (void *)x; +} + +/*-------------------------------------------------------------------- + * free + */ +static void any2string_free(t_any2string *x) +{ + A2SDEBUG(post("any2string_free(x=%p)", x)); + if (x->x_argv) { + A2SDEBUG(post("any2string_free(x=%p): x_argv=%p (size=%d)", x, x->x_argv, x->x_alloc*sizeof(t_atom))); + freebytes(x->x_argv, x->x_alloc*sizeof(t_atom)); + } + A2SDEBUG(post("any2string_free(x=%p): x_outlet=%p", x, x->x_outlet)); + outlet_free(x->x_outlet); + return; +} + +/*-------------------------------------------------------------------- + * setup + */ +void any2string_setup(void) +{ + //-- class + any2string_class = class_new(gensym("any2string"), + (t_newmethod)any2string_new, + (t_method)any2string_free, + sizeof(t_any2string), + CLASS_DEFAULT, + A_DEFFLOAT, + 0); + + //-- methods + class_addanything(any2string_class, + (t_method)any2string_anything); + + + //-- help symbol + class_sethelpsymbol(any2string_class, gensym("pdstring-help.pd")); +} |