Revert "Folds json_* utilities into json subfolder and adapts includes"

This reverts commit cd039c69c0a92a35889e3c875b8eb53cf07377bb.

include/util/json_container.hpp

@@ -33,9 +33,9 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 #include <variant/variant.hpp>
 
+#include <iostream>
 #include <vector>
 #include <string>
-#include <utility>
 #include <unordered_map>
 
 namespace osrm
@@ -52,16 +52,16 @@ struct Array;
 
 struct String
 {
-    String() = default;
-    String(const char *value_) : value{value_} {}
-    String(std::string value_) : value{std::move(value_)} {}
+    String() {}
+    String(const char *value) : value(value) {}
+    String(std::string value) : value(std::move(value)) {}
     std::string value;
 };
 
 struct Number
 {
-    Number() = default;
-    Number(double value_) : value{value_} {}
+    Number() {}
+    Number(double value) : value(static_cast<double>(value)) {}
     double value;
 };
 
@@ -95,7 +95,7 @@ struct Array
     std::vector<Value> values;
 };
 
-} // namespace json
+} // namespace JSON
 } // namespace util
 } // namespace osrm
 

include/util/json_renderer.hpp

@@ -9,11 +9,6 @@
 
 #include "osrm/json_container.hpp"
 
-#include <ostream>
-#include <vector>
-#include <iterator>
-#include <string>
-
 namespace osrm
 {
 namespace util
@@ -128,11 +123,23 @@ struct ArrayRenderer
         out.push_back(']');
     }
 
-    void operator()(const True &) const { out.insert(end(out), {'t', 'r', 'u', 'e'}); }
+    void operator()(const True &) const
+    {
+        const std::string temp("true");
+        out.insert(out.end(), temp.begin(), temp.end());
+    }
 
-    void operator()(const False &) const { out.insert(end(out), {'f', 'a', 'l', 's', 'e'}); }
+    void operator()(const False &) const
+    {
+        const std::string temp("false");
+        out.insert(out.end(), temp.begin(), temp.end());
+    }
 
-    void operator()(const Null &) const { out.insert(end(out), {'n', 'u', 'l', 'l'}); }
+    void operator()(const Null &) const
+    {
+        const std::string temp("null");
+        out.insert(out.end(), temp.begin(), temp.end());
+    }
 
   private:
     std::vector<char> &out;

include/util/matching_debug_info.hpp

@@ -1,8 +1,8 @@
 #ifndef MATCHING_DEBUG_INFO_HPP
 #define MATCHING_DEBUG_INFO_HPP
 
-#include "util/json/logger.hpp"
-#include "util/json/util.hpp"
+#include "util/json_logger.hpp"
+#include "util/json_util.hpp"
 #include "engine/map_matching/hidden_markov_model.hpp"
 
 #include "osrm/coordinate.hpp"