use json for region map sections

- update nlohmann/json and pantor/inja in tools/
  - create new inja template

tools/jsonproc/jsonproc.cpp

@@ -7,6 +7,9 @@
 #include <string>
 using std::string; using std::to_string;
 
+#include <algorithm>
+using std::replace_if;
+
 #include <inja.hpp>
 using namespace inja;
 using json = nlohmann::json;
@@ -33,6 +36,7 @@ int main(int argc, char *argv[])
     string outputFilepath = argv[3];
 
     Environment env;
+    env.set_trim_blocks(true);
 
     // Add custom command callbacks.
     env.add_callback("doNotModifyHeader", 0, [jsonfilepath, templateFilepath](Arguments& args) {
@@ -96,6 +100,19 @@ int main(int argc, char *argv[])
         return args.at(0)->empty();
     });
 
+    env.add_callback("isEmptyString", 1, [](Arguments& args) {
+        return args.at(0)->get<string>().empty();
+    });
+
+    env.add_callback("cleanString", 1, [](Arguments& args) {
+        string badChars = ".'{} \n\t-_\u00e9";
+        string str = args.at(0)->get<string>();
+        str.erase(remove_if(str.begin(), str.end(), [&badChars](const char &c) {
+            return badChars.find(c) != std::string::npos;
+        }), str.end());
+        return str;
+    });
+
     try
     {
         env.write_with_json_file(templateFilepath, jsonfilepath, outputFilepath);