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BSON: support doubles

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This commit is contained in:
Julian Becker
2018-09-15 03:23:54 +02:00
parent 9a0dddc5d2
commit 0c0f2e44b5
4 changed files with 115 additions and 31 deletions
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41
single_include/nlohmann/json.hpp
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@ -6121,8 +6121,6 @@ class binary_reader
}
/*!
@param[in] len the length of the array or std::size_t(-1) for an
array of indefinite size
@return whether array creation completed
*/
bool get_bson_str(string_t& result)
@ -6158,6 +6156,16 @@ class binary_reader
{
switch (entry_type)
{
case 0x01:
{
string_t key;
get_bson_str(key);
sax->key(key);
double number;
get_number_little_endian(number);
sax->number_float(static_cast<number_float_t>(number), "");
}
break;
case 0x08:
{
string_t key;
@ -8461,8 +8469,7 @@ class binary_writer
}
}
std::size_t write_bson_object_entry(const typename BasicJsonType::string_t& name, const BasicJsonType& j)
std::size_t write_bson_boolean(const typename BasicJsonType::string_t& name, const BasicJsonType& j)
{
oa->write_character(static_cast<CharType>(0x08)); // boolean
oa->write_characters(
@ -8472,6 +8479,32 @@ class binary_writer
return /*id*/ 1ul + name.size() + 1u + /*boolean value*/ 1u;
}
std::size_t write_bson_double(const typename BasicJsonType::string_t& name, const BasicJsonType& j)
{
oa->write_character(static_cast<CharType>(0x01)); // boolean
oa->write_characters(
reinterpret_cast<const CharType*>(name.c_str()),
name.size() + 1u);
write_number_little_endian(j.m_value.number_float);
return /*id*/ 1ul + name.size() + 1u + /*double value*/ 8u;
}
std::size_t write_bson_object_entry(const typename BasicJsonType::string_t& name, const BasicJsonType& j)
{
switch (j.type())
{
default:
JSON_THROW(type_error::create(317, "JSON value cannot be serialized to requested format"));
break;
case value_t::boolean:
return write_bson_boolean(name, j);
case value_t::number_float:
return write_bson_double(name, j);
};
return 0ul;
}
/*!
@param[in] j JSON value to serialize
@pre j.type() == value_t::object