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/*
absattr - patcher attributes
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 VERSION "0.1.0"
#include <flext.h>
#if !defined(FLEXT_VERSION) || (FLEXT_VERSION < 500)
#error You need at least flext version 0.5.0
#endif
#include <map>
class absattr
: public flext_base
{
FLEXT_HEADER_S(absattr,flext_base,Setup)
public:
absattr(int argc,const t_atom *argv)
// : loadbang(lb)
{
AddInAnything("bang/get/set");
AddInAnything("external attribute messages");
AddOutAnything("arguments");
AddOutAnything("attributes");
AddOutAnything("external attribute outlet");
// process default values (only attributes can have default values)
Process(argc,argv);
// process canvas arguments
AtomListStatic<20> args;
GetCanvasArgs(args);
Process(args.Count(),args.Atoms());
}
//! dump parameters
void m_bang()
{
ToOutList(0,args);
for(AttrMap::const_iterator it = attrs.begin(); it != attrs.end(); ++it) {
const AtomList &lst = it->second;
ToOutAnything(1,it->first,lst.Count(),lst.Atoms());
}
}
void m_dump() { DumpAttr(0); }
void m_get(const t_symbol *s) { OutAttr(0,s); }
void m_dumpx() { DumpAttr(1); }
void m_getx(const t_symbol *s) { OutAttr(1,s); }
void m_set(int argc,const t_atom *argv)
{
if(!argc && !IsSymbol(*argv))
post("%s - attribute must be given as first argument",thisName());
else {
const t_symbol *attr = GetSymbol(*argv);
--argc,++argv;
SetAttr(attr,argc,argv);
}
}
protected:
typedef std::map<const t_symbol *,AtomList> AttrMap;
// bool loadbang;
AtomList args;
AttrMap attrs;
// virtual void CbLoadbang() { if(loadbang) m_bang(); }
void DumpAttr(int ix)
{
int cnt = attrs.size();
AtomListStatic<20> lst(cnt);
AttrMap::const_iterator it = attrs.begin();
for(int i = 0; it != attrs.end(); ++it,++i)
SetSymbol(lst[i],it->first);
ToOutAnything(1+ix,sym_attributes,lst.Count(),lst.Atoms());
}
void OutAttr(int ix,const t_symbol *s)
{
AttrMap::const_iterator it = attrs.find(s);
if(it != attrs.end()) {
const AtomList &lst = it->second;
ToOutAnything(1+ix,s,lst.Count(),lst.Atoms());
}
else
post("%s - attribute %s not found",thisName(),GetString(s));
}
void SetAttr(const t_symbol *attr,int argc,const t_atom *argv)
{
if(argc)
attrs[attr].Set(argc,argv,0,true);
else
attrs.erase(attr);
}
static IsAttr(const t_atom &at) { return IsSymbol(at) && *GetString(at) == '@'; }
void Process(int argc,const t_atom *argv)
{
int cnt;
for(cnt = 0; cnt < argc && !IsAttr(argv[cnt]); ++cnt) {}
args.Set(cnt,argv,0,true);
argc -= cnt,argv += cnt;
while(argc) {
FLEXT_ASSERT(IsAttr(*argv));
const t_symbol *attr = MakeSymbol(GetString(*argv)+1);
--argc,++argv;
for(cnt = 0; cnt < argc && !IsAttr(argv[cnt]); ++cnt) {}
if(cnt) {
AtomList &lst = attrs[attr];
lst.Set(cnt,argv,0,true);
argc -= cnt,argv += cnt;
}
else
attrs.erase(attr);
}
}
private:
static const t_symbol *sym_attributes;
FLEXT_CALLBACK(m_bang);
FLEXT_CALLBACK_S(m_get);
FLEXT_CALLBACK(m_dump);
FLEXT_CALLBACK_S(m_getx);
FLEXT_CALLBACK(m_dumpx);
FLEXT_CALLBACK_V(m_set);
static void Setup(t_classid cl)
{
sym_attributes = MakeSymbol("attributes");
FLEXT_CADDBANG(cl,0,m_bang);
FLEXT_CADDMETHOD_(cl,0,"get",m_get);
FLEXT_CADDMETHOD_(cl,0,"getattributes",m_dump);
FLEXT_CADDMETHOD_(cl,0,"set",m_set);
FLEXT_CADDMETHOD_(cl,1,"get",m_getx);
FLEXT_CADDMETHOD_(cl,1,"getattributes",m_dumpx);
FLEXT_CADDMETHOD_(cl,1,"set",m_set);
}
};
const t_symbol *absattr::sym_attributes;
FLEXT_NEW_V("absattr",absattr)
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