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//
// Copyright 2011 Ettus Research LLC
//
// This program 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 of the License, or
// (at your option) any later version.
//
// This program 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, see <http://www.gnu.org/licenses/>.
//
#include <uhd/convert.hpp>
#include <uhd/utils/static.hpp>
#include <uhd/exception.hpp>
#include <iostream>
using namespace uhd;
#include "convert_pred.hpp"
static const bool debug = false;
/***********************************************************************
* Define types for the function tables
**********************************************************************/
struct fcn_table_entry_type{
convert::priority_type prio;
convert::function_type fcn;
fcn_table_entry_type(void)
: prio(convert::PRIORITY_EMPTY), fcn(NULL){
/* NOP */
}
};
typedef std::vector<fcn_table_entry_type> fcn_table_type;
/***********************************************************************
* Setup the table registry
**********************************************************************/
UHD_SINGLETON_FCN(fcn_table_type, get_cpu_to_otw_table);
UHD_SINGLETON_FCN(fcn_table_type, get_otw_to_cpu_table);
fcn_table_type &get_table(dir_type dir){
switch(dir){
case DIR_OTW_TO_CPU: return get_otw_to_cpu_table();
case DIR_CPU_TO_OTW: return get_cpu_to_otw_table();
}
UHD_THROW_INVALID_CODE_PATH();
}
/***********************************************************************
* The registry functions
**********************************************************************/
void uhd::convert::register_converter(
const std::string &markup,
function_type fcn,
priority_type prio
){
//extract the predicate and direction from the markup
dir_type dir;
pred_type pred = make_pred(markup, dir);
//get a reference to the function table
fcn_table_type &table = get_table(dir);
//resize the table so that its at least pred+1
if (table.size() <= pred) table.resize(pred+1);
//register the function if higher priority
if (table[pred].prio < prio){
table[pred].fcn = fcn;
table[pred].prio = prio;
}
//----------------------------------------------------------------//
if (debug) std::cout << "register_converter: " << markup << std::endl
<< " prio: " << prio << std::endl
<< " pred: " << pred << std::endl
<< " dir: " << dir << std::endl
<< std::endl
;
//----------------------------------------------------------------//
}
/***********************************************************************
* The converter functions
**********************************************************************/
const convert::function_type &convert::get_converter_cpu_to_otw(
const io_type_t &io_type,
const otw_type_t &otw_type,
size_t num_input_buffs,
size_t num_output_buffs
){
pred_type pred = make_pred(io_type, otw_type, num_input_buffs, num_output_buffs);
return get_cpu_to_otw_table().at(pred).fcn;
}
const convert::function_type &convert::get_converter_otw_to_cpu(
const io_type_t &io_type,
const otw_type_t &otw_type,
size_t num_input_buffs,
size_t num_output_buffs
){
pred_type pred = make_pred(io_type, otw_type, num_input_buffs, num_output_buffs);
return get_otw_to_cpu_table().at(pred).fcn;
}
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