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/* -*- c++ -*- */
/*
* Copyright 2006,2009 Free Software Foundation, Inc.
*
* This file is part of GNU Radio
*
* GNU Radio 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 3, or (at your option)
* any later version.
*
* GNU Radio 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <vector>
#include <gruel/pmt.h>
#include "pmt_int.h"
#include <sstream>
namespace pmt {
static void
pmt_write_list_tail(pmt_t obj, std::ostream &port)
{
pmt_write(pmt_car(obj), port); // write the car
obj = pmt_cdr(obj); // step to cdr
if (pmt_is_null(obj)) // ()
port << ")";
else if (pmt_is_pair(obj)){ // normal list
port << " ";
pmt_write_list_tail(obj, port);
}
else { // dotted pair
port << " . ";
pmt_write(obj, port);
port << ")";
}
}
void
pmt_write(pmt_t obj, std::ostream &port)
{
if (pmt_is_bool(obj)){
if (pmt_is_true(obj))
port << "#t";
else
port << "#f";
}
else if (pmt_is_symbol(obj)){
port << pmt_symbol_to_string(obj);
}
else if (pmt_is_number(obj)){
if (pmt_is_integer(obj))
port << pmt_to_long(obj);
else if (pmt_is_real(obj))
port << pmt_to_double(obj);
else if (pmt_is_complex(obj)){
std::complex<double> c = pmt_to_complex(obj);
port << c.real() << '+' << c.imag() << 'i';
}
else
goto error;
}
else if (pmt_is_null(obj)){
port << "()";
}
else if (pmt_is_pair(obj)){
port << "(";
pmt_write_list_tail(obj, port);
}
else if (pmt_is_tuple(obj)){
port << "{";
size_t len = pmt_length(obj);
if (len > 0){
port << pmt_tuple_ref(obj, 0);
for (size_t i = 1; i < len; i++)
port << " " << pmt_tuple_ref(obj, i);
}
port << "}";
}
else if (pmt_is_vector(obj)){
port << "#(";
size_t len = pmt_length(obj);
if (len > 0){
port << pmt_vector_ref(obj, 0);
for (size_t i = 1; i < len; i++)
port << " " << pmt_vector_ref(obj, i);
}
port << ")";
}
else if (pmt_is_dict(obj)){
// FIXME
// port << "#<dict " << obj << ">";
port << "#<dict>";
}
else if (pmt_is_uniform_vector(obj)){
// FIXME
// port << "#<uniform-vector " << obj << ">";
port << "#<uniform-vector>";
}
else {
error:
// FIXME
// port << "#<" << obj << ">";
port << "#<unknown>";
}
}
std::ostream& operator<<(std::ostream &os, pmt_t obj)
{
pmt_write(obj, os);
return os;
}
std::string
pmt_write_string(pmt_t obj)
{
std::ostringstream s;
s << obj;
return s.str();
}
pmt_t
pmt_read(std::istream &port)
{
throw pmt_notimplemented("notimplemented: pmt_read", PMT_NIL);
}
void
pmt_serialize(pmt_t obj, std::ostream &sink)
{
throw pmt_notimplemented("notimplemented: pmt_serialize", obj);
}
/*!
* \brief Create obj from portable byte-serial representation
*/
pmt_t
pmt_deserialize(std::istream &source)
{
throw pmt_notimplemented("notimplemented: pmt_deserialize", PMT_NIL);
}
} /* namespace pmt */
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