From 691708e7fd4929e5d0835978e9a652e118c641f1 Mon Sep 17 00:00:00 2001
From: "Matthias P. Braendli" <matthias.braendli@mpb.li>
Date: Wed, 24 Aug 2022 14:09:59 +0200
Subject: Support reading mux config in JSON

---
 src/DabMux.cpp | 36 ++++++++++++++++++++----------------
 1 file changed, 20 insertions(+), 16 deletions(-)

(limited to 'src/DabMux.cpp')

diff --git a/src/DabMux.cpp b/src/DabMux.cpp
index f6a69bb..1a367da 100644
--- a/src/DabMux.cpp
+++ b/src/DabMux.cpp
@@ -33,6 +33,7 @@
 #include <memory>
 #include <boost/property_tree/ptree.hpp>
 #include <boost/property_tree/info_parser.hpp>
+#include <boost/property_tree/json_parser.hpp>
 #include <cstdio>
 #include <iostream>
 #include <fstream>
@@ -200,40 +201,29 @@ int main(int argc, char *argv[])
     }
 #endif
 
-
-
-
     int returnCode = 0;
-
     ptree pt;
     std::vector<std::shared_ptr<DabOutput> > outputs;
 
     try {
+        string conf_file = "";
+
         if (argc == 2) { // Assume the only argument is a config file
-            string conf_file = argv[1];
+            conf_file = argv[1];
 
             if (conf_file == "-h") {
                 printUsage(argv[0], stdout);
                 throw MuxInitException("Nothing to do");
             }
-
-            try {
-                read_info(conf_file, pt);
-
-            }
-            catch (runtime_error &e) {
-                throw MuxInitException(e.what());
-            }
         }
         else if (argc > 1 && strncmp(argv[1], "-e", 2) == 0) { // use external config file
             try {
-
                 if (argc != 3) {
                     printUsage(argv[0], stderr);
                     throw MuxInitException();
                 }
 
-                string conf_file = argv[2];
+                conf_file = argv[2];
 
                 read_info(conf_file, pt);
             }
@@ -241,10 +231,24 @@ int main(int argc, char *argv[])
                 throw MuxInitException(e.what());
             }
         }
-        else {
+
+        if (conf_file.empty()) {
+            printUsage(argv[0], stderr);
             throw MuxInitException("No configuration file specified");
         }
 
+        try {
+            if (stringEndsWith(conf_file, ".json")) {
+                read_json(conf_file, pt);
+            }
+            else {
+                read_info(conf_file, pt);
+            }
+        }
+        catch (runtime_error &e) {
+            throw MuxInitException(e.what());
+        }
+
         /* Enable Logging to syslog conditionally */
         if (pt.get<bool>("general.syslog", false)) {
             etiLog.register_backend(std::make_shared<LogToSyslog>());
-- 
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