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/*
flext - C++ layer for Max/MSP and pd (pure data) externals
Copyright (c) 2001-2003 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 flxlet.cpp
\brief Implementation of the variable inlet/outlet functionality.
*/
#include "flext.h"
#include "flinternal.h"
#include <string.h>
#include <stdarg.h>
flext_base::xlet::xlet(type t,const char *d):
tp(t),nxt(NULL)
{
if(d) {
int ln = strlen(d);
desc = new char[ln+1];
memcpy(desc,d,ln);
desc[ln] = 0;
}
else desc = NULL;
}
flext_base::xlet::~xlet()
{
if(desc) delete[] desc;
if(nxt) delete nxt;
}
void flext_base::AddXlet(xlet::type tp,int mult,const char *desc,xlet *&root)
{
if(!root && mult) { root = new xlet(tp,desc); --mult; }
if(mult) {
xlet *xi = root;
while(xi->nxt) xi = xi->nxt;
while(mult--) xi = xi->nxt = new xlet(tp,desc);
}
}
void flext_base::DescXlet(int ix,const char *d,xlet *&root)
{
xlet *xi = root;
for(int i = 0; xi && i < ix; xi = xi->nxt,++i) {}
if(xi) {
if(xi->desc) delete[] xi->desc;
int ln = strlen(d);
xi->desc = new char[ln+1];
memcpy(xi->desc,d,ln);
xi->desc[ln] = 0;
}
}
unsigned long flext_base::XletCode(xlet::type tp,...)
{
unsigned long code = 0;
va_list marker;
va_start(marker,tp);
int cnt = 0;
xlet::type arg = tp;
for(; arg; ++cnt) {
#ifdef FLEXT_DEBUG
if(cnt > 9) {
error("%s - Too many in/outlets defined - truncated to 9",thisName());
break;
}
#endif
code = code*10+(int)arg;
arg = (xlet::type)va_arg(marker,int);
}
va_end(marker);
return code;
}
void flext_base::AddInlets(unsigned long code)
{
for(; code; code /= 10) AddInlet((xlet::type)(code%10));
}
void flext_base::AddOutlets(unsigned long code)
{
for(; code; code /= 10) AddOutlet((xlet::type)(code%10));
}
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