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Refactor: dump_object no longer splits cases by indent

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This commit is contained in:
Evan Driscoll 2018-06-02 21:08:53 -05:00
parent 9cdf54b886
commit a983e47619
2 changed files with 50 additions and 104 deletions
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77
include/nlohmann/detail/output/fancy_serializer.hpp
View File

@ -157,68 +157,41 @@ class fancy_serializer
return; return;
} }
if (style.indent_step > 0) // variable to hold indentation for recursive calls
const auto old_indent = depth * style.indent_step;
const auto new_indent = (depth + 1) * style.indent_step;
if (JSON_UNLIKELY(indent_string.size() < new_indent))
{ {
o->write_characters("{\n", 2); indent_string.resize(indent_string.size() * 2, ' ');
}
const int newline_len = (style.indent_step > 0);
// variable to hold indentation for recursive calls o->write_characters("{\n", 1 + newline_len);
const auto old_indent = depth * style.indent_step;
const auto new_indent = (depth + 1) * style.indent_step;
if (JSON_UNLIKELY(indent_string.size() < new_indent))
{
indent_string.resize(indent_string.size() * 2, ' ');
}
// first n-1 elements // first n-1 elements
auto i = val.m_value.object->cbegin(); auto i = val.m_value.object->cbegin();
for (std::size_t cnt = 0; cnt < val.m_value.object->size() - 1; ++cnt, ++i) for (std::size_t cnt = 0; cnt < val.m_value.object->size() - 1; ++cnt, ++i)
{ {
o->write_characters(indent_string.c_str(), new_indent);
o->write_character('\"');
prim_serializer.dump_escaped(*o, i->first, ensure_ascii);
o->write_characters("\": ", 3);
dump(i->second, ensure_ascii, depth + 1);
o->write_characters(",\n", 2);
}
// last element
assert(i != val.m_value.object->cend());
assert(std::next(i) == val.m_value.object->cend());
o->write_characters(indent_string.c_str(), new_indent); o->write_characters(indent_string.c_str(), new_indent);
o->write_character('\"'); o->write_character('\"');
prim_serializer.dump_escaped(*o, i->first, ensure_ascii); prim_serializer.dump_escaped(*o, i->first, ensure_ascii);
o->write_characters("\": ", 3); o->write_characters("\": ", 2 + newline_len);
dump(i->second, ensure_ascii, depth + 1); dump(i->second, ensure_ascii, depth + 1);
o->write_characters(",\n", 1 + newline_len);
o->write_character('\n');
o->write_characters(indent_string.c_str(), old_indent);
o->write_character('}');
} }
else
{
o->write_character('{');
// first n-1 elements // last element
auto i = val.m_value.object->cbegin(); assert(i != val.m_value.object->cend());
for (std::size_t cnt = 0; cnt < val.m_value.object->size() - 1; ++cnt, ++i) assert(std::next(i) == val.m_value.object->cend());
{ o->write_characters(indent_string.c_str(), new_indent);
o->write_character('\"'); o->write_character('\"');
prim_serializer.dump_escaped(*o, i->first, ensure_ascii); prim_serializer.dump_escaped(*o, i->first, ensure_ascii);
o->write_characters("\":", 2); o->write_characters("\": ", 2 + newline_len);
dump(i->second, ensure_ascii, depth + 1); dump(i->second, ensure_ascii, depth + 1);
o->write_character(',');
}
// last element o->write_characters("\n", newline_len);
assert(i != val.m_value.object->cend()); o->write_characters(indent_string.c_str(), old_indent);
assert(std::next(i) == val.m_value.object->cend()); o->write_character('}');
o->write_character('\"');
prim_serializer.dump_escaped(*o, i->first, ensure_ascii);
o->write_characters("\":", 2);
dump(i->second, ensure_ascii, depth + 1);
o->write_character('}');
}
} }
void dump_array(const BasicJsonType& val, bool ensure_ascii, unsigned int depth) void dump_array(const BasicJsonType& val, bool ensure_ascii, unsigned int depth)

77
single_include/nlohmann/json.hpp
View File

@ -10227,68 +10227,41 @@ class fancy_serializer
return; return;
} }
if (style.indent_step > 0) // variable to hold indentation for recursive calls
const auto old_indent = depth * style.indent_step;
const auto new_indent = (depth + 1) * style.indent_step;
if (JSON_UNLIKELY(indent_string.size() < new_indent))
{ {
o->write_characters("{\n", 2); indent_string.resize(indent_string.size() * 2, ' ');
}
const int newline_len = (style.indent_step > 0);
// variable to hold indentation for recursive calls o->write_characters("{\n", 1 + newline_len);
const auto old_indent = depth * style.indent_step;
const auto new_indent = (depth + 1) * style.indent_step;
if (JSON_UNLIKELY(indent_string.size() < new_indent))
{
indent_string.resize(indent_string.size() * 2, ' ');
}
// first n-1 elements // first n-1 elements
auto i = val.m_value.object->cbegin(); auto i = val.m_value.object->cbegin();
for (std::size_t cnt = 0; cnt < val.m_value.object->size() - 1; ++cnt, ++i) for (std::size_t cnt = 0; cnt < val.m_value.object->size() - 1; ++cnt, ++i)
{ {
o->write_characters(indent_string.c_str(), new_indent);
o->write_character('\"');
prim_serializer.dump_escaped(*o, i->first, ensure_ascii);
o->write_characters("\": ", 3);
dump(i->second, ensure_ascii, depth + 1);
o->write_characters(",\n", 2);
}
// last element
assert(i != val.m_value.object->cend());
assert(std::next(i) == val.m_value.object->cend());
o->write_characters(indent_string.c_str(), new_indent); o->write_characters(indent_string.c_str(), new_indent);
o->write_character('\"'); o->write_character('\"');
prim_serializer.dump_escaped(*o, i->first, ensure_ascii); prim_serializer.dump_escaped(*o, i->first, ensure_ascii);
o->write_characters("\": ", 3); o->write_characters("\": ", 2 + newline_len);
dump(i->second, ensure_ascii, depth + 1); dump(i->second, ensure_ascii, depth + 1);
o->write_characters(",\n", 1 + newline_len);
o->write_character('\n');
o->write_characters(indent_string.c_str(), old_indent);
o->write_character('}');
} }
else
{
o->write_character('{');
// first n-1 elements // last element
auto i = val.m_value.object->cbegin(); assert(i != val.m_value.object->cend());
for (std::size_t cnt = 0; cnt < val.m_value.object->size() - 1; ++cnt, ++i) assert(std::next(i) == val.m_value.object->cend());
{ o->write_characters(indent_string.c_str(), new_indent);
o->write_character('\"'); o->write_character('\"');
prim_serializer.dump_escaped(*o, i->first, ensure_ascii); prim_serializer.dump_escaped(*o, i->first, ensure_ascii);
o->write_characters("\":", 2); o->write_characters("\": ", 2 + newline_len);
dump(i->second, ensure_ascii, depth + 1); dump(i->second, ensure_ascii, depth + 1);
o->write_character(',');
}
// last element o->write_characters("\n", newline_len);
assert(i != val.m_value.object->cend()); o->write_characters(indent_string.c_str(), old_indent);
assert(std::next(i) == val.m_value.object->cend()); o->write_character('}');
o->write_character('\"');
prim_serializer.dump_escaped(*o, i->first, ensure_ascii);
o->write_characters("\":", 2);
dump(i->second, ensure_ascii, depth + 1);
o->write_character('}');
}
} }
void dump_array(const BasicJsonType& val, bool ensure_ascii, unsigned int depth) void dump_array(const BasicJsonType& val, bool ensure_ascii, unsigned int depth)