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fixed #135: operator[] now only works on nonconst JSON objects

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Niels
2015-12-13 11:26:55 +01:00
parent c767f464bb
commit a70a7a8001
4 changed files with 3 additions and 145 deletions
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57
src/json.hpp.re2c
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@ -2691,33 +2691,6 @@ class basic_json
Returns a reference to the element at with specified key @a key.
@param[in] key key of the element to access
@return reference to the element at key @a key
@throw std::domain_error if JSON is not an object or null
@complexity Logarithmic in the size of the container.
@liveexample{The example below shows how object elements can be read using
the [] operator.,operatorarray__key_type_const}
*/
const_reference operator[](const typename object_t::key_type& key) const
{
// at only works for objects
if (m_type != value_t::object)
{
throw std::domain_error("cannot use operator[] with " + type_name());
}
return m_value.object->operator[](key);
}
/*!
@brief access specified object element
Returns a reference to the element at with specified key @a key.
@note If @a key is not found in the object, then it is silently added to
the object and filled with a `null` value to make `key` a valid reference.
In case the value was `null` before, it is converted to an object.
@ -2754,36 +2727,6 @@ class basic_json
return m_value.object->operator[](key);
}
/*!
@brief access specified object element
Returns a reference to the element at with specified key @a key.
@note This function is required for compatibility reasons with Clang.
@param[in] key key of the element to access
@return reference to the element at key @a key
@throw std::domain_error if JSON is not an object or null
@complexity Logarithmic in the size of the container.
@liveexample{The example below shows how object elements can be read using
the [] operator.,operatorarray__key_type_const}
*/
template<typename T, std::size_t n>
const_reference operator[](const T (&key)[n]) const
{
// at only works for objects
if (m_type != value_t::object)
{
throw std::domain_error("cannot use operator[] with " + type_name());
}
return m_value.object->operator[](key);
}
/*!
@brief access the first element