cleanup after #184
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Niels
parent
663ad13fc3
commit
a04bd4f851
7 changed files with 103 additions and 58 deletions
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@ -382,7 +382,7 @@ I deeply appreciate the help of the following people.
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- [Colin Hirsch](https://github.com/ColinH) took care of a small namespace issue.
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- [Huu Nguyen](https://github.com/whoshuu) correct a variable name in the documentation.
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- [Silverweed](https://github.com/silverweed) overloaded `parse()` to accept an rvalue reference.
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- [dariomt](https://github.com/dariomt) fixed a subtlety in MSVC type support.
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- [dariomt](https://github.com/dariomt) fixed a subtlety in MSVC type support and implemented the `get_ref()` function to get a reference to stored values.
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- [ZahlGraf](https://github.com/ZahlGraf) added a workaround that allows compilation using Android NDK.
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- [whackashoe](https://github.com/whackashoe) replaced a function that was marked as unsafe by Visual Studio.
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- [406345](https://github.com/406345) fixed two small warnings.
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1
doc/examples/get_ref.link
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1
doc/examples/get_ref.link
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@ -0,0 +1 @@
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<a target="_blank" href="http://melpon.org/wandbox/permlink/nBNBANVonG9HCQqQ"><b>online</b></a>
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2
doc/examples/get_ref.output
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2
doc/examples/get_ref.output
Normal file
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@ -0,0 +1,2 @@
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17 17
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incompatible ReferenceType for get_ref, actual type is number
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47
src/json.hpp
47
src/json.hpp
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@ -2416,17 +2416,33 @@ class basic_json
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return is_number_float() ? &m_value.number_float : nullptr;
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}
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/// helper function to implement get_ref without code duplication
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/// for const and non-const overloads
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/// ThisType will be deduced as 'basic_jason' or 'const basic_json'
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/*!
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@brief helper function to implement get_ref()
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This funcion helps to implement get_ref() without code duplication for
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const and non-const overloads
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@tparam ThisType will be deduced as `basic_json` or `const basic_json`
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@throw std::domain_error if ReferenceType does not match underlying value
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type of the current JSON
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*/
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template<typename ReferenceType, typename ThisType>
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static ReferenceType get_ref_impl(ThisType& obj)
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{
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using PointerType = typename std::add_pointer<ReferenceType>::type;
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// delegate the call to get_ptr<>()
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using PointerType = typename std::add_pointer<ReferenceType>::type;
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auto ptr = obj.template get_ptr<PointerType>();
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if (ptr) return *ptr;
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throw std::domain_error("incompatible ReferenceType for get_ref, actual type is " + obj.type_name());
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if (ptr != nullptr)
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{
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return *ptr;
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}
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else
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{
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throw std::domain_error("incompatible ReferenceType for get_ref, actual type is " +
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obj.type_name());
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}
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}
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public:
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@ -2585,17 +2601,22 @@ class basic_json
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@warning Writing data to the referee of the result yields an undefined
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state.
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@tparam ReferenceType reference type; must be a reference to @ref array_t, @ref
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object_t, @ref string_t, @ref boolean_t, @ref number_integer_t, or @ref
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number_float_t.
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@tparam ReferenceType reference type; must be a reference to @ref array_t,
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@ref object_t, @ref string_t, @ref boolean_t, @ref number_integer_t, or
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@ref number_float_t.
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@return reference to the internally stored JSON value if the requested reference
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type @a ReferenceType fits to the JSON value; throws std::domain_error otherwise
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@return reference to the internally stored JSON value if the requested
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reference type @a ReferenceType fits to the JSON value; throws
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std::domain_error otherwise
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@throw std::domain_error in case passed type @a ReferenceType is incompatible
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with the stored JSON value
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@throw std::domain_error in case passed type @a ReferenceType is
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incompatible with the stored JSON value
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@complexity Constant.
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@liveexample{The example shows several calls to `get_ref()`.,get_ref}
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@since version 1.0.1
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*/
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template<typename ReferenceType, typename
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std::enable_if<
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@ -2416,17 +2416,33 @@ class basic_json
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return is_number_float() ? &m_value.number_float : nullptr;
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}
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/// helper function to implement get_ref without code duplication
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/// for const and non-const overloads
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/// ThisType will be deduced as 'basic_jason' or 'const basic_json'
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/*!
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@brief helper function to implement get_ref()
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This funcion helps to implement get_ref() without code duplication for
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const and non-const overloads
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@tparam ThisType will be deduced as `basic_json` or `const basic_json`
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@throw std::domain_error if ReferenceType does not match underlying value
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type of the current JSON
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*/
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template<typename ReferenceType, typename ThisType>
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static ReferenceType get_ref_impl(ThisType& obj)
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{
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using PointerType = typename std::add_pointer<ReferenceType>::type;
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// delegate the call to get_ptr<>()
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using PointerType = typename std::add_pointer<ReferenceType>::type;
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auto ptr = obj.template get_ptr<PointerType>();
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if (ptr) return *ptr;
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throw std::domain_error("incompatible ReferenceType for get_ref, actual type is " + obj.type_name());
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if (ptr != nullptr)
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{
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return *ptr;
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}
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else
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{
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throw std::domain_error("incompatible ReferenceType for get_ref, actual type is " +
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obj.type_name());
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}
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}
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public:
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@ -2585,17 +2601,22 @@ class basic_json
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@warning Writing data to the referee of the result yields an undefined
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state.
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@tparam ReferenceType reference type; must be a reference to @ref array_t, @ref
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object_t, @ref string_t, @ref boolean_t, @ref number_integer_t, or @ref
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number_float_t.
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@tparam ReferenceType reference type; must be a reference to @ref array_t,
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@ref object_t, @ref string_t, @ref boolean_t, @ref number_integer_t, or
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@ref number_float_t.
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@return reference to the internally stored JSON value if the requested reference
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type @a ReferenceType fits to the JSON value; throws std::domain_error otherwise
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@return reference to the internally stored JSON value if the requested
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reference type @a ReferenceType fits to the JSON value; throws
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std::domain_error otherwise
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@throw std::domain_error in case passed type @a ReferenceType is incompatible
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with the stored JSON value
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@throw std::domain_error in case passed type @a ReferenceType is
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incompatible with the stored JSON value
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@complexity Constant.
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@liveexample{The example shows several calls to `get_ref()`.,get_ref}
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@since version 1.0.1
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*/
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template<typename ReferenceType, typename
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std::enable_if<
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