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/*
flext - C++ layer for Max/MSP and pd (pure data) externals
Copyright (c) 2001,2002 Thomas Grill (xovo@gmx.net)
For information on usage and redistribution, and for a DISCLAIMER OF ALL
WARRANTIES, see the file, "license.txt," in this distribution.
*/
/*! \file flatom.cpp
\brief Definitions for handling the t_atom type and lists thereof.
*/
#include "flext.h"
t_atom *flext::CopyList(int argc,const t_atom *argv)
{
int i;
t_atom *dst = new t_atom[argc];
for(i = 0; i < argc; ++i) CopyAtom(dst+i,argv+i);
return dst;
}
flext::AtomList::AtomList(int argc,const t_atom *argv):
cnt(0),lst(NULL)
{
operator()(argc,argv);
}
flext::AtomList::AtomList(const AtomList &a):
cnt(0),lst(NULL)
{
operator =(a);
}
flext::AtomList::~AtomList() { Clear(); }
flext::AtomList &flext::AtomList::Set(int argc,const t_atom *argv,int offs,bool resize)
{
int ncnt = argc+offs;
if(resize && lst && cnt != ncnt) { delete[] lst; lst = NULL; cnt = 0; }
if(ncnt) {
if(!lst) lst = new t_atom[cnt = ncnt];
if(argv) {
for(int i = 0; i < argc; ++i) SetAtom(lst[offs+i],argv[i]);
}
}
return *this;
}
int flext::AtomList::Get(t_atom *argv,int mxsz) const
{
int argc = Count();
if(mxsz >= 0 && argc > mxsz) argc = mxsz;
for(int i = 0; i < argc; ++i) SetAtom(argv[i],lst[i]);
return argc;
}
flext::AtomList &flext::AtomList::Append(const t_atom &a)
{
t_atom *nlst = new t_atom[cnt+1];
for(int i = 0; i < cnt; ++i) SetAtom(nlst[i],lst[i]);
SetAtom(nlst[cnt],a);
if(lst) delete[] lst;
lst = nlst;
++cnt;
return *this;
}
flext::AtomList &flext::AtomList::Append(int argc,const t_atom *argv)
{
if(argc) {
t_atom *nlst = new t_atom[cnt+argc];
int i;
for(i = 0; i < cnt; ++i) SetAtom(nlst[i],lst[i]);
if(argv)
for(i = 0; i < argc; ++i) SetAtom(nlst[cnt+i],argv[i]);
if(lst) delete[] lst;
lst = nlst;
cnt += argc;
}
return *this;
}
flext::AtomList &flext::AtomList::Prepend(const t_atom &a)
{
t_atom *nlst = new t_atom[cnt+1];
for(int i = 0; i < cnt; ++i) SetAtom(nlst[i+1],lst[i]);
SetAtom(nlst[0],a);
if(lst) delete[] lst;
lst = nlst;
++cnt;
return *this;
}
flext::AtomList &flext::AtomList::Prepend(int argc,const t_atom *argv)
{
if(argc) {
t_atom *nlst = new t_atom[cnt+argc];
int i;
if(argv)
for(i = 0; i < argc; ++i) SetAtom(nlst[i],argv[i]);
for(i = 0; i < cnt; ++i) SetAtom(nlst[argc+i],lst[i]);
if(lst) delete[] lst;
lst = nlst;
cnt += argc;
}
return *this;
}
flext::AtomList flext::AtomList::GetPart(int offs,int len) const
{
if(offs+len > Count()) {
len = Count()-offs;
if(len < 0) len = 0;
}
return AtomList(len,Atoms()+offs);
}
flext::AtomAnything::AtomAnything(const t_symbol *h,int argc,const t_atom *argv):
AtomList(argc,argv),hdr(h?h:MakeSymbol(""))
{}
flext::AtomAnything::AtomAnything(const char *h,int argc,const t_atom *argv):
AtomList(argc,argv),hdr(MakeSymbol(h))
{}
flext::AtomAnything::AtomAnything(const AtomAnything &a):
AtomList(a),hdr(a.hdr)
{}
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