From cb3d455bd227071cde6a87f7b23112254ca7c010 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Th=C3=A9o=20DELRIEU?= <theo@tanker.io> Date: Mon, 9 Jan 2017 10:22:22 +0100 Subject: [PATCH] do not const_cast when calling get_ptr --- src/json.hpp | 22 +++++++++++----------- 1 file changed, 11 insertions(+), 11 deletions(-) diff --git a/src/json.hpp b/src/json.hpp index 177c1532..feb1aa3c 100644 --- a/src/json.hpp +++ b/src/json.hpp @@ -494,11 +494,11 @@ template <typename Json, typename ArithmeticType, void get_arithmetic_value(Json const &j, ArithmeticType &val) { if (j.is_number_integer()) - val = *const_cast<Json&>(j).template get_ptr<typename Json::number_integer_t*>(); + val = *j.template get_ptr<const typename Json::number_integer_t*>(); else if (j.is_number_unsigned()) - val = *const_cast<Json&>(j).template get_ptr<typename Json::number_unsigned_t*>(); + val = *j.template get_ptr<const typename Json::number_unsigned_t*>(); else if (j.is_number_float()) - val = *const_cast<Json&>(j).template get_ptr<typename Json::number_float_t*>(); + val = *j.template get_ptr<const typename Json::number_float_t*>(); else throw std::domain_error("type must be number, but is " + type_name(j)); } @@ -578,7 +578,7 @@ void from_json(Json const& j, typename Json::boolean_t& b) { if (!j.is_boolean()) throw std::domain_error("type must be boolean, but is " + type_name(j)); - b = *const_cast<Json&>(j).template get_ptr<typename Json::boolean_t*>(); + b = *j.template get_ptr<const typename Json::boolean_t*>(); } template <typename Json> @@ -586,7 +586,7 @@ void from_json(Json const& j, typename Json::string_t& s) { if (!j.is_string()) throw std::domain_error("type must be string, but is " + type_name(j)); - s = *const_cast<Json&>(j).template get_ptr<typename Json::string_t*>(); + s = *j.template get_ptr<const typename Json::string_t*>(); } template <typename Json> @@ -621,7 +621,7 @@ void from_json(Json const &j, typename Json::array_t &arr) { if (!j.is_array()) throw std::domain_error("type must be array, but is " + type_name(j)); - arr = *const_cast<Json&>(j).template get_ptr<typename Json::array_t*>(); + arr = *j.template get_ptr<const typename Json::array_t*>(); } // forward_list doesn't have an insert method, TODO find a way to avoid including forward_list @@ -679,7 +679,7 @@ void from_json(Json const &j, CompatibleObjectType &obj) if (!j.is_object()) throw std::domain_error("type must be object, but is " + type_name(j)); - auto inner_object = const_cast<Json&>(j).template get_ptr<typename Json::object_t*>(); + auto inner_object = j.template get_ptr<const typename Json::object_t*>(); using std::begin; using std::end; // we could avoid the assignment, but this might require a for loop, which @@ -703,13 +703,13 @@ template < void from_json(Json const &j, ArithmeticType &val) { if (j.is_number_integer()) - val = *const_cast<Json&>(j).template get_ptr<typename Json::number_integer_t*>(); + val = *j.template get_ptr<const typename Json::number_integer_t*>(); else if (j.is_number_unsigned()) - val = *const_cast<Json&>(j).template get_ptr<typename Json::number_unsigned_t*>(); + val = *j.template get_ptr<const typename Json::number_unsigned_t*>(); else if (j.is_number_float()) - val = *const_cast<Json&>(j).template get_ptr<typename Json::number_float_t*>(); + val = *j.template get_ptr<const typename Json::number_float_t*>(); else if (j.is_boolean()) - val = *const_cast<Json&>(j).template get_ptr<typename Json::boolean_t*>(); + val = *j.template get_ptr<const typename Json::boolean_t*>(); else throw std::domain_error("type must be number, but is " + type_name(j)); }