--- a/OrthancFramework/Sources/Toolbox.cpp	Tue Dec 22 08:16:08 2020 +0100
+++ b/OrthancFramework/Sources/Toolbox.cpp	Tue Dec 22 08:59:23 2020 +0100
@@ -2297,30 +2297,22 @@
   }
 
 
-  bool Toolbox::ReadJson(Json::Value& target,
-                         const std::string& source)
-  {
-#if JSONCPP_USE_DEPRECATED == 1
-    Json::Reader reader;
-    return reader.parse(source, target);
-#else
-    return ReadJson(target, source.c_str(), source.size());
-#endif
-  }
-  
-
-  bool Toolbox::ReadJson(Json::Value& target,
-                         const void* buffer,
-                         size_t size)
+  static bool ReadJsonInternal(Json::Value& target,
+                               const void* buffer,
+                               size_t size,
+                               bool collectComments)
   {
 #if JSONCPP_USE_DEPRECATED == 1
     Json::Reader reader;
     return reader.parse(reinterpret_cast<const char*>(buffer),
-                        reinterpret_cast<const char*>(buffer) + size, target);
+                        reinterpret_cast<const char*>(buffer) + size, target, collectComments);
 #else
     Json::CharReaderBuilder builder;
+    builder.settings_["collectComments"] = collectComments;
+    
     const std::unique_ptr<Json::CharReader> reader(builder.newCharReader());
     assert(reader.get() != NULL);
+    
     JSONCPP_STRING err;
     if (reader->parse(reinterpret_cast<const char*>(buffer),
                       reinterpret_cast<const char*>(buffer) + size, &target, &err))
@@ -2334,6 +2326,36 @@
     }
 #endif
   }
+
+
+  bool Toolbox::ReadJson(Json::Value& target,
+                         const std::string& source)
+  {
+    return ReadJson(target, source.empty() ? NULL : source.c_str(), source.size());
+  }
+  
+
+  bool Toolbox::ReadJson(Json::Value& target,
+                         const void* buffer,
+                         size_t size)
+  {
+    return ReadJsonInternal(target, buffer, size, true);
+  }
+  
+
+  bool Toolbox::ReadJsonWithoutComments(Json::Value& target,
+                                        const std::string& source)
+  {
+    return ReadJsonWithoutComments(target, source.empty() ? NULL : source.c_str(), source.size());
+  }
+  
+
+  bool Toolbox::ReadJsonWithoutComments(Json::Value& target,
+                                        const void* buffer,
+                                        size_t size)
+  {
+    return ReadJsonInternal(target, buffer, size, false);
+  }
   
 
   void Toolbox::WriteFastJson(std::string& target,

--- a/OrthancFramework/Sources/Toolbox.h	Tue Dec 22 08:16:08 2020 +0100
+++ b/OrthancFramework/Sources/Toolbox.h	Tue Dec 22 08:59:23 2020 +0100
@@ -268,6 +268,13 @@
                          const void* buffer,
                          size_t size);
 
+    static bool ReadJsonWithoutComments(Json::Value& target,
+                                        const std::string& source);
+
+    static bool ReadJsonWithoutComments(Json::Value& target,
+                                        const void* buffer,
+                                        size_t size);
+
     static void WriteFastJson(std::string& target,
                               const Json::Value& source);
 

--- a/OrthancFramework/UnitTestsSources/ToolboxTests.cpp	Tue Dec 22 08:16:08 2020 +0100
+++ b/OrthancFramework/UnitTestsSources/ToolboxTests.cpp	Tue Dec 22 08:59:23 2020 +0100
@@ -64,6 +64,21 @@
   ASSERT_EQ(Toolbox::StripSpaces(f), "{\n   \"hello\" : \"world\"\n}");
 }
 
+TEST(Toolbox, JsonComments)
+{
+  std::string a = "/* a */ { /* b */ \"hello\" : /* c */ \"world\" /* d */ } // e";
+
+  Json::Value b;
+  ASSERT_TRUE(Toolbox::ReadJsonWithoutComments(b, a));
+
+  std::string c;
+  Toolbox::WriteFastJson(c, b);
+  ASSERT_EQ(Toolbox::StripSpaces(c), "{\"hello\":\"world\"}");
+  
+  Toolbox::WriteStyledJson(c, b);
+  ASSERT_EQ(Toolbox::StripSpaces(c), "{\n   \"hello\" : \"world\"\n}");
+}
+
 TEST(Toolbox, Base64_allByteValues)
 {
   std::string toEncode;

--- a/OrthancServer/Plugins/Samples/Common/OrthancPluginCppWrapper.cpp	Tue Dec 22 08:16:08 2020 +0100
+++ b/OrthancServer/Plugins/Samples/Common/OrthancPluginCppWrapper.cpp	Tue Dec 22 08:59:23 2020 +0100
@@ -316,12 +316,7 @@
   bool ReadJson(Json::Value& target,
                 const std::string& source)
   {
-#if JSONCPP_USE_DEPRECATED == 1
-    Json::Reader reader;
-    return reader.parse(source, target);
-#else
-    return ReadJson(target, source.c_str(), source.size());
-#endif
+    return ReadJson(target, source.empty() ? NULL : source.c_str(), source.size());
   }