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BSON: Support objects with string members

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This commit is contained in:
Julian Becker
2018-09-15 11:33:24 +02:00
parent 0c0f2e44b5
commit 6c447de076
4 changed files with 100 additions and 14 deletions
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44
single_include/nlohmann/json.hpp
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@ -6123,7 +6123,7 @@ class binary_reader
/*!
@return whether array creation completed
*/
bool get_bson_str(string_t& result)
bool get_bson_cstr(string_t& result)
{
bool success = true;
generate_until(std::back_inserter(result), [](char c)
@ -6132,7 +6132,7 @@ class binary_reader
}, [this, &success]
{
get();
if (JSON_UNLIKELY(unexpect_eof()))
if (JSON_UNLIKELY(not unexpect_eof()))
{
success = false;
}
@ -6156,20 +6156,33 @@ class binary_reader
{
switch (entry_type)
{
case 0x01:
case 0x01: // double
{
string_t key;
get_bson_str(key);
get_bson_cstr(key);
sax->key(key);
double number;
get_number_little_endian(number);
sax->number_float(static_cast<number_float_t>(number), "");
}
break;
case 0x08:
case 0x02: // string
{
string_t key;
get_bson_str(key);
get_bson_cstr(key);
sax->key(key);
std::int32_t len;
string_t value;
get_number_little_endian(len);
get_string(len - 1ul, value);
get();
sax->string(value);
}
break;
case 0x08: // boolean
{
string_t key;
get_bson_cstr(key);
sax->key(key);
sax->boolean(static_cast<bool>(get()));
}
@ -8481,7 +8494,7 @@ class binary_writer
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_character(static_cast<CharType>(0x01)); // double
oa->write_characters(
reinterpret_cast<const CharType*>(name.c_str()),
name.size() + 1u);
@ -8489,6 +8502,21 @@ class binary_writer
return /*id*/ 1ul + name.size() + 1u + /*double value*/ 8u;
}
std::size_t write_bson_string(const typename BasicJsonType::string_t& name, const BasicJsonType& j)
{
oa->write_character(static_cast<CharType>(0x02)); // string (UTF-8)
oa->write_characters(
reinterpret_cast<const CharType*>(name.c_str()),
name.size() + 1u);
write_number_little_endian(static_cast<std::int32_t>(j.m_value.string->size() + 1ul));
oa->write_characters(
reinterpret_cast<const CharType*>(j.m_value.string->c_str()),
j.m_value.string->size() + 1);
return /*id*/ 1ul + name.size() + 1ul + sizeof(std::int32_t) + j.m_value.string->size() + 1ul;
}
std::size_t write_bson_object_entry(const typename BasicJsonType::string_t& name, const BasicJsonType& j)
{
switch (j.type())
@ -8500,6 +8528,8 @@ class binary_writer
return write_bson_boolean(name, j);
case value_t::number_float:
return write_bson_double(name, j);
case value_t::string:
return write_bson_string(name, j);
};
return 0ul;