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/*
delsplit - split a delimited list-in-a-symbol
Copyright (c) 2002-2005 Thomas Grill (gr@grrrr.org)
For information on usage and redistribution, and for a DISCLAIMER OF ALL
WARRANTIES, see the file, "license.txt," in this distribution.
*/
#define FLEXT_ATTRIBUTES 1
#include <flext.h>
#if !defined(FLEXT_VERSION) || (FLEXT_VERSION < 500)
#error You need at least flext version 0.5.0
#endif
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include <ctype.h>
#define VERSION "0.1.5"
#ifdef __MWERKS__
#define STD std
#else
#define STD
#endif
class delsplit:
public flext_base
{
FLEXT_HEADER_S(delsplit,flext_base,Setup)
public:
delsplit(int argc,const t_atom *argv);
protected:
void m_any(const t_symbol *s,int argc,const t_atom *argv);
void m_del(const t_symbol *s,int argc,const t_atom *argv);
const t_symbol *delim;
static void SetAtom(t_atom &l,const char *s);
private:
static void Setup(t_classid c);
static const t_symbol *sym__space;
FLEXT_CALLBACK_A(m_any)
FLEXT_CALLBACK_A(m_del)
FLEXT_ATTRVAR_S(delim)
};
FLEXT_NEW_V("delsplit",delsplit)
const t_symbol *delsplit::sym__space = NULL;
void delsplit::Setup(t_classid c)
{
sym__space = MakeSymbol(" ");
FLEXT_CADDMETHOD(c,0,m_any);
FLEXT_CADDMETHOD(c,1,m_del);
FLEXT_CADDATTR_VAR1(c,"del",delim);
}
delsplit::delsplit(int argc,const t_atom *argv):
delim(sym__)
{
AddInAnything("Symbol in, representing the delimited list");
AddInAnything("Set the Delimiter");
AddOutList("The split list");
m_del(sym_list,argc,argv);
}
/** \brief check whether string represents a number
\ret 0..integer, 1..float, -1..no number
*/
static int chknum(const char *s)
{
int num = 0,pts = 0;
for(const char *si = s; *s; ++s) {
if(*s == '.') ++pts;
else if(isdigit(*s)) ++num;
else { num = 0; break; }
}
return (num > 0 && pts <= 1)?pts:-1;
}
void delsplit::m_del(const t_symbol *s,int argc,const t_atom *argv)
{
delim = NULL;
if(s == sym_symbol) {
FLEXT_ASSERT(argc == 1 && IsSymbol(argv[0]));
delim = GetSymbol(argv[0]);
}
else if(s == sym_list) {
if(argc == 0)
delim = sym__space;
else if(argc >= 1 && IsSymbol(argv[0]))
delim = GetSymbol(argv[0]);
}
if(!delim) {
post("%s - Argument must be a symbol, list or int/float/bang",thisName());
delim = sym__space;
}
}
void delsplit::SetAtom(t_atom &l,const char *s)
{
int n = chknum(s);
if(n < 0)
SetString(l,s);
else if(n == 0)
SetInt(l,atoi(s));
else
SetFloat(l,(float)atof(s));
}
void delsplit::m_any(const t_symbol *sym,int argc,const t_atom *argv)
{
FLEXT_ASSERT(delim);
t_atom lst[256];
int cnt = 0;
const char *sdel = GetString(delim);
int ldel = strlen(sdel);
for(int i = -1; i < argc; ++i) {
char str[1024];
if(i < 0) {
if(
sym != sym_list && sym != sym_float && sym != sym_symbol && sym != sym_bang
#if FLEXT_SYS == FLEXT_SYS_MAX
&& sym != sym_int
#endif
)
strcpy(str,GetString(sym));
else
str[0] = 0;
}
else if(IsString(argv[i]))
strcpy(str,GetString(argv[i]));
else if(CanbeFloat(argv[i]))
sprintf(str,"%e",GetAFloat(argv[i]));
else
str[0] = 0;
for(const char *s = str; *s; ) {
char *e = strstr(s,sdel);
if(!e) {
SetAtom(lst[cnt++],s);
break;
}
else {
*e = 0;
SetAtom(lst[cnt++],s);
s = e+ldel;
}
}
}
ToOutList(0,cnt,lst);
}
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