🔨 moved class json_pointer into separate file #920

Makefile

@@ -16,6 +16,7 @@ SRCS = develop/json.hpp \
        develop/detail/iterators/iteration_proxy.hpp \
        develop/detail/iterators/json_reverse_iterator.hpp \
        develop/detail/iterators/primitive_iterator.hpp \
+       develop/detail/json_pointer.hpp \
        develop/detail/json_ref.hpp \
        develop/detail/macro_scope.hpp \
        develop/detail/macro_unscope.hpp \
@@ -273,6 +274,14 @@ check-amalgamation:
 	@diff src/json.hpp src/json.hpp~ || (echo "===================================================================\n  Amalgamation required! Please read the contribution guidelines\n  in file .github/CONTRIBUTING.md.\n===================================================================" ; mv src/json.hpp~ src/json.hpp ; false)
 	@mv src/json.hpp~ src/json.hpp
 
+# check if every header in develop includes sufficient headers to be compiled
+# individually
+check-single-includes:
+	for x in $(SRCS); do \
+	  echo "#include \"$$x\"\nint main() {}\n" | sed 's|develop/||' > single_include_test.cpp; \
+	  $(CXX) $(CXXFLAGS) -Idevelop -std=c++11 single_include_test.cpp -o single_include_test; \
+	  rm single_include_test.cpp single_include_test; \
+	done
 
 ##########################################################################
 # changelog

develop/detail/input/binary_reader.hpp

@@ -15,6 +15,7 @@
 #include <string> // char_traits, string
 #include <utility> // make_pair, move
 
+#include "detail/input/input_adapters.hpp"
 #include "detail/exceptions.hpp"
 #include "detail/macro_scope.hpp"
 #include "detail/value_t.hpp"

develop/detail/output/serializer.hpp

@@ -9,11 +9,14 @@
 #include <cstddef> // size_t, ptrdiff_t
 #include <cstdint> // uint8_t
 #include <cstdio> // snprintf
+#include <iomanip> // setfill
 #include <iterator> // next
 #include <limits> // numeric_limits
 #include <string> // string
+#include <sstream> // stringstream
 #include <type_traits> // is_same
 
+#include "detail/exceptions.hpp"
 #include "detail/conversions/to_chars.hpp"
 #include "detail/macro_scope.hpp"
 #include "detail/meta.hpp"

develop/json_fwd.hpp

@@ -47,6 +47,7 @@ within a JSON document. It can be used with functions `at` and
 
 @since version 2.0.0
 */
+template<typename BasicJsonType>
 class json_pointer;
 
 /*!