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/*
Copyright (C) 2014 CSP Innovazione nelle ICT s.c.a r.l. (http://www.csp.it/)
Copyright (C) 2019 Matthias P. Braendli (http://www.opendigitalradio.org)
Copyright (C) 2015 Data Path
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/>.
Ensemble Database, gather data from the ensemble for the
statistics.
Authors:
Sergio Sagliocco <sergio.sagliocco@csp.it>
Matthias P. Braendli <matthias@mpb.li>
/ | |- ')|) |-|_ _ (|,_ .| _ ,_ \
Data Path \(|(||_(|/_| (||_||(a)_||||(|||.(_()|||/
*/
#include <locale>
#include <codecvt>
#include <sstream>
#include "ensembledatabase.hpp"
namespace ensemble_database {
using namespace std;
static string ucs2toutf8(const uint8_t *ucs2, size_t len_bytes)
{
std::wstring_convert<std::codecvt_utf8<wchar_t>> ucsconv;
wstring ucs2label;
for (size_t i = 0; i < len_bytes-1; i+=2) {
ucs2label += (wchar_t)(ucs2[i] * 256 + ucs2[i+1]);
}
// Can throw range_error
return ucsconv.to_bytes(ucs2label);
}
string label_t::assemble() const
{
vector<uint8_t> segments_cat;
for (size_t i = 0; i < segment_count; i++) {
if (segments.count(i) == 0) {
return "";
}
else {
const auto& s = segments.at(i);
copy(s.begin(), s.end(), back_inserter(segments_cat));
}
}
switch (charset) {
case extended_label_charset::UTF8:
return string(segments_cat.begin(), segments_cat.end());
case extended_label_charset::UCS2:
try {
return ucs2toutf8(segments_cat.data(), segments_cat.size());
}
catch (const range_error&) {
return "";
}
}
throw logic_error("invalid charset");
}
string label_t::assembly_state() const
{
stringstream ss;
ss << "[";
for (const auto& s : segments) {
ss << s.first << ",";
}
ss << "count=" << segment_count << "]";
return ss.str();
}
component_t& service_t::get_component(uint32_t subchannel_id)
{
for (auto& component : components) {
if (component.subchId == subchannel_id) {
return component;
}
}
throw not_found("component referring to subchannel " +
to_string(subchannel_id) + " not found");
}
component_t& service_t::get_or_create_component(uint32_t subchannel_id)
{
for (auto& component : components) {
if (component.subchId == subchannel_id) {
return component;
}
}
// not found
component_t new_component;
new_component.subchId = subchannel_id;
components.push_back(new_component);
return components.back();
}
service_t& ensemble_t::get_service(uint32_t service_id)
{
for (auto& service : services) {
if (service.id == service_id) {
return service;
}
}
throw not_found("Service " + to_string(service_id) + " not found");
}
service_t& ensemble_t::get_or_create_service(uint32_t service_id)
{
for (auto& service : services) {
if (service.id == service_id) {
return service;
}
}
// not found
service_t new_service;
new_service.id = service_id;
services.push_back(new_service);
return services.back();
}
subchannel_t& ensemble_t::get_subchannel(uint8_t subchannel_id)
{
for (auto& subchannel : subchannels) {
if (subchannel.id == subchannel_id) {
return subchannel;
}
}
throw not_found("Subchannel " + to_string(subchannel_id) + " not found");
}
subchannel_t& ensemble_t::get_or_create_subchannel(uint8_t subchannel_id)
{
for (auto& subchannel : subchannels) {
if (subchannel.id == subchannel_id) {
return subchannel;
}
}
// not found
subchannel_t new_subchannel;
new_subchannel.id = subchannel_id;
subchannels.push_back(new_subchannel);
return subchannels.back();
}
}
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