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Merge branch 'feature/issue1021' into develop

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Niels Lohmann 2018-04-08 09:28:37 +02:00
commit 40f279c59d
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GPG key ID: 7F3CEA63AE251B69
3 changed files with 100 additions and 22 deletions
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52
include/nlohmann/detail/output/binary_writer.hpp
View file

@ -149,9 +149,9 @@ class binary_writer
break;
}
case value_t::number_float: // Double-Precision Float
case value_t::number_float:
{
oa->write_character(static_cast<CharType>(0xFB));
oa->write_character(get_cbor_float_prefix(j.m_value.number_float));
write_number(j.m_value.number_float);
break;
}
@ -409,9 +409,9 @@ class binary_writer
break;
}
case value_t::number_float: // float 64
case value_t::number_float:
{
oa->write_character(static_cast<CharType>(0xCB));
oa->write_character(get_msgpack_float_prefix(j.m_value.number_float));
write_number(j.m_value.number_float);
break;
}
@ -588,7 +588,7 @@ class binary_writer
if (use_type and not j.m_value.array->empty())
{
assert(use_count);
const char first_prefix = ubjson_prefix(j.front());
const CharType first_prefix = ubjson_prefix(j.front());
const bool same_prefix = std::all_of(j.begin() + 1, j.end(),
[this, first_prefix](const BasicJsonType & v)
{
@ -599,7 +599,7 @@ class binary_writer
{
prefix_required = false;
oa->write_character(static_cast<CharType>('$'));
oa->write_character(static_cast<CharType>(first_prefix));
oa->write_character(first_prefix);
}
}
@ -633,7 +633,7 @@ class binary_writer
if (use_type and not j.m_value.object->empty())
{
assert(use_count);
const char first_prefix = ubjson_prefix(j.front());
const CharType first_prefix = ubjson_prefix(j.front());
const bool same_prefix = std::all_of(j.begin(), j.end(),
[this, first_prefix](const BasicJsonType & v)
{
@ -644,7 +644,7 @@ class binary_writer
{
prefix_required = false;
oa->write_character(static_cast<CharType>('$'));
oa->write_character(static_cast<CharType>(first_prefix));
oa->write_character(first_prefix);
}
}
@ -712,7 +712,7 @@ class binary_writer
{
if (add_prefix)
{
oa->write_character(static_cast<CharType>('D')); // float64
oa->write_character(get_ubjson_float_prefix(n));
}
write_number(n);
}
@ -833,7 +833,7 @@ class binary_writer
write_number_with_ubjson_prefix. Therefore, we return 'L' for any
value that does not fit the previous limits.
*/
char ubjson_prefix(const BasicJsonType& j) const noexcept
CharType ubjson_prefix(const BasicJsonType& j) const noexcept
{
switch (j.type())
{
@ -892,7 +892,7 @@ class binary_writer
}
case value_t::number_float:
return 'D';
return get_ubjson_float_prefix(j.m_value.number_float);
case value_t::string:
return 'S';
@ -908,6 +908,36 @@ class binary_writer
}
}
static constexpr CharType get_cbor_float_prefix(float)
{
return static_cast<CharType>(0xFA); // Single-Precision Float
}
static constexpr CharType get_cbor_float_prefix(double)
{
return static_cast<CharType>(0xFB); // Double-Precision Float
}
static constexpr CharType get_msgpack_float_prefix(float)
{
return static_cast<CharType>(0xCA); // float 32
}
static constexpr CharType get_msgpack_float_prefix(double)
{
return static_cast<CharType>(0xCB); // float 64
}
static constexpr CharType get_ubjson_float_prefix(float)
{
return 'd'; // float 32
}
static constexpr CharType get_ubjson_float_prefix(double)
{
return 'D'; // float 64
}
private:
/// whether we can assume little endianess
const bool is_little_endian = binary_reader<BasicJsonType>::little_endianess();

52
single_include/nlohmann/json.hpp
View file

@ -6357,9 +6357,9 @@ class binary_writer
break;
}
case value_t::number_float: // Double-Precision Float
case value_t::number_float:
{
oa->write_character(static_cast<CharType>(0xFB));
oa->write_character(get_cbor_float_prefix(j.m_value.number_float));
write_number(j.m_value.number_float);
break;
}
@ -6617,9 +6617,9 @@ class binary_writer
break;
}
case value_t::number_float: // float 64
case value_t::number_float:
{
oa->write_character(static_cast<CharType>(0xCB));
oa->write_character(get_msgpack_float_prefix(j.m_value.number_float));
write_number(j.m_value.number_float);
break;
}
@ -6796,7 +6796,7 @@ class binary_writer
if (use_type and not j.m_value.array->empty())
{
assert(use_count);
const char first_prefix = ubjson_prefix(j.front());
const CharType first_prefix = ubjson_prefix(j.front());
const bool same_prefix = std::all_of(j.begin() + 1, j.end(),
[this, first_prefix](const BasicJsonType & v)
{
@ -6807,7 +6807,7 @@ class binary_writer
{
prefix_required = false;
oa->write_character(static_cast<CharType>('$'));
oa->write_character(static_cast<CharType>(first_prefix));
oa->write_character(first_prefix);
}
}
@ -6841,7 +6841,7 @@ class binary_writer
if (use_type and not j.m_value.object->empty())
{
assert(use_count);
const char first_prefix = ubjson_prefix(j.front());
const CharType first_prefix = ubjson_prefix(j.front());
const bool same_prefix = std::all_of(j.begin(), j.end(),
[this, first_prefix](const BasicJsonType & v)
{
@ -6852,7 +6852,7 @@ class binary_writer
{
prefix_required = false;
oa->write_character(static_cast<CharType>('$'));
oa->write_character(static_cast<CharType>(first_prefix));
oa->write_character(first_prefix);
}
}
@ -6920,7 +6920,7 @@ class binary_writer
{
if (add_prefix)
{
oa->write_character(static_cast<CharType>('D')); // float64
oa->write_character(get_ubjson_float_prefix(n));
}
write_number(n);
}
@ -7041,7 +7041,7 @@ class binary_writer
write_number_with_ubjson_prefix. Therefore, we return 'L' for any
value that does not fit the previous limits.
*/
char ubjson_prefix(const BasicJsonType& j) const noexcept
CharType ubjson_prefix(const BasicJsonType& j) const noexcept
{
switch (j.type())
{
@ -7100,7 +7100,7 @@ class binary_writer
}
case value_t::number_float:
return 'D';
return get_ubjson_float_prefix(j.m_value.number_float);
case value_t::string:
return 'S';
@ -7116,6 +7116,36 @@ class binary_writer
}
}
static constexpr CharType get_cbor_float_prefix(float)
{
return static_cast<CharType>(0xFA); // Single-Precision Float
}
static constexpr CharType get_cbor_float_prefix(double)
{
return static_cast<CharType>(0xFB); // Double-Precision Float
}
static constexpr CharType get_msgpack_float_prefix(float)
{
return static_cast<CharType>(0xCA); // float 32
}
static constexpr CharType get_msgpack_float_prefix(double)
{
return static_cast<CharType>(0xCB); // float 64
}
static constexpr CharType get_ubjson_float_prefix(float)
{
return 'd'; // float 32
}
static constexpr CharType get_ubjson_float_prefix(double)
{
return 'D'; // float 64
}
private:
/// whether we can assume little endianess
const bool is_little_endian = binary_reader<BasicJsonType>::little_endianess();

18
test/src/unit-regression.cpp
View file

@ -114,6 +114,13 @@ struct nocopy
};
}
/////////////////////////////////////////////////////////////////////
// for #1021
/////////////////////////////////////////////////////////////////////
using float_json = nlohmann::basic_json<std::map, std::vector, std::string, bool, std::int64_t, std::uint64_t, float>;
TEST_CASE("regression tests")
{
SECTION("issue #60 - Double quotation mark is not parsed correctly")
@ -1597,4 +1604,15 @@ TEST_CASE("regression tests")
auto j = json::parse(geojsonExample, cb, true);
CHECK(j == json());
}
SECTION("issue #1021 - to/from_msgpack only works with standard typization")
{
float_json j = 1000.0;
CHECK(float_json::from_cbor(float_json::to_cbor(j)) == j);
CHECK(float_json::from_msgpack(float_json::to_msgpack(j)) == j);
CHECK(float_json::from_ubjson(float_json::to_ubjson(j)) == j);
float_json j2 = {1000.0, 2000.0, 3000.0};
CHECK(float_json::from_ubjson(float_json::to_ubjson(j2, true, true)) == j2);
}
}