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+/*
+ Copyright (C) 2014 CSP Innovazione nelle ICT s.c.a r.l. (http://www.csp.it/)
+ Copyright (C) 2016 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/>.
+
+ Authors:
+ Sergio Sagliocco <sergio.sagliocco@csp.it>
+ Matthias P. Braendli <matthias@mpb.li>
+ / | |- ')|) |-|_ _ (|,_ .| _ ,_ \
+ Data Path \(|(||_(|/_| (||_||(a)_||||(|||.(_()|||/
+
+*/
+
+#include "figs.hpp"
+#include <cstdio>
+#include <cstring>
+#include <map>
+#include <set>
+
+/* SId and PNum look like good candidates to uniquely identify a FIG0_16
+ */
+using SId_t = int;
+using PNum_t = int;
+static std::set<std::pair<SId_t, PNum_t> > components_seen;
+
+bool fig0_16_is_complete(SId_t SId, PNum_t PNum)
+{
+ auto key = std::make_pair(SId, PNum);
+ bool complete = components_seen.count(key);
+
+ if (complete) {
+ components_seen.clear();
+ }
+ else {
+ components_seen.insert(key);
+ }
+
+ return complete;
+}
+
+
+// FIG 0/16 Programme Number & fig0.oe() Programme Number
+// ETSI EN 300 401 8.1.4 & 8.1.10.3
+bool fig0_16(fig0_common_t& fig0, int indent)
+{
+ uint16_t SId, PNum, New_SId, New_PNum;
+ uint8_t i = 1, Rfa, Rfu;
+ char tmpbuf[256];
+ char desc[256];
+ bool Continuation_flag, Update_flag;
+ uint8_t* f = fig0.f;
+ bool complete = false;
+
+ while (i < (fig0.figlen - 4)) {
+ // iterate over Programme Number
+ SId = ((uint16_t)f[i] << 8) | ((uint16_t)f[i+1]);
+ PNum = ((uint16_t)f[i+2] << 8) | ((uint16_t)f[i+3]);
+ complete |= fig0_16_is_complete(SId, PNum);
+ Rfa = f[i+4] >> 6;
+ Rfu = (f[i+4] >> 2) & 0x0F;
+ Continuation_flag = (f[i+4] >> 1) & 0x01;
+ Update_flag = f[i+4] & 0x01;
+
+ sprintf(desc, "SId=0x%X, PNum=0x%X ", SId, PNum);
+ // Append PNum decoded string
+ strcatPNum(desc, PNum);
+
+ if (Rfa != 0) {
+ sprintf(tmpbuf, ", Rfa=%d invalid value", Rfa);
+ strcat(desc, tmpbuf);
+ }
+
+ if (Rfu != 0) {
+ sprintf(tmpbuf, ", Rfu=0x%X invalid value", Rfu);
+ strcat(desc, tmpbuf);
+ }
+
+ sprintf(tmpbuf, ", Continuation flag=%d the programme will %s, Update flag=%d %sre-direction",
+ Continuation_flag, Continuation_flag?"be interrupted but continued later":"not be subject to a planned interruption",
+ Update_flag, Update_flag?"":"no ");
+ strcat(desc, tmpbuf);
+ i += 5;
+
+ if (Update_flag != 0) {
+ // In the case of a re-direction, the New SId and New PNum shall be appended
+ if (i < (fig0.figlen - 1)) {
+ New_SId = ((uint16_t)f[i] << 8) | ((uint16_t)f[i+1]);
+ sprintf(tmpbuf, ", New SId=0x%X", New_SId);
+ strcat(desc, tmpbuf);
+ if (i < (fig0.figlen - 3)) {
+ New_PNum = ((uint16_t)f[i+2] << 8) | ((uint16_t)f[i+3]);
+ sprintf(tmpbuf, ", New PNum=0x%X ", New_PNum);
+ strcat(desc, tmpbuf);
+ // Append New_PNum decoded string
+ strcatPNum(desc, New_PNum);
+ }
+ else {
+ sprintf(tmpbuf, ", missing New PNum !");
+ strcat(desc, tmpbuf);
+ }
+ }
+ else {
+ sprintf(tmpbuf, ", missing New SId and New PNum !");
+ strcat(desc, tmpbuf);
+ }
+ i += 4;
+ }
+
+ printbuf(desc, indent+1, NULL, 0);
+ }
+
+ return complete;
+}
+