tomlplusplus/include/toml++/impl/json_formatter.inl
2022-11-09 22:33:44 +02:00

122 lines
2.7 KiB
C++

//# This file is a part of toml++ and is subject to the the terms of the MIT license.
//# Copyright (c) Mark Gillard <mark.gillard@outlook.com.au>
//# See https://github.com/marzer/tomlplusplus/blob/master/LICENSE for the full license text.
// SPDX-License-Identifier: MIT
#pragma once
#include "preprocessor.h"
//# {{
#if !TOML_IMPLEMENTATION
#error This is an implementation-only header.
#endif
//# }}
#if TOML_ENABLE_FORMATTERS
#include "json_formatter.h"
#include "print_to_stream.h"
#include "table.h"
#include "array.h"
#include "header_start.h"
TOML_NAMESPACE_START
{
TOML_EXTERNAL_LINKAGE
void json_formatter::print(const toml::table& tbl)
{
if (tbl.empty())
{
print_unformatted("{}"sv);
return;
}
print_unformatted('{');
if (indent_sub_tables())
increase_indent();
bool first = false;
for (auto&& [k, v] : tbl)
{
if (first)
print_unformatted(',');
first = true;
print_newline(true);
print_indent();
print_string(k.str(), false);
if (terse_kvps())
print_unformatted(":"sv);
else
print_unformatted(" : "sv);
const auto type = v.type();
TOML_ASSUME(type != node_type::none);
switch (type)
{
case node_type::table: print(*reinterpret_cast<const table*>(&v)); break;
case node_type::array: print(*reinterpret_cast<const array*>(&v)); break;
default: print_value(v, type);
}
}
if (indent_sub_tables())
decrease_indent();
print_newline(true);
print_indent();
print_unformatted('}');
}
TOML_EXTERNAL_LINKAGE
void json_formatter::print(const toml::array& arr)
{
if (arr.empty())
{
print_unformatted("[]"sv);
return;
}
print_unformatted('[');
if (indent_array_elements())
increase_indent();
for (size_t i = 0; i < arr.size(); i++)
{
if (i > 0u)
print_unformatted(',');
print_newline(true);
print_indent();
auto& v = arr[i];
const auto type = v.type();
TOML_ASSUME(type != node_type::none);
switch (type)
{
case node_type::table: print(*reinterpret_cast<const table*>(&v)); break;
case node_type::array: print(*reinterpret_cast<const array*>(&v)); break;
default: print_value(v, type);
}
}
if (indent_array_elements())
decrease_indent();
print_newline(true);
print_indent();
print_unformatted(']');
}
TOML_EXTERNAL_LINKAGE
void json_formatter::print()
{
if (dump_failed_parse_result())
return;
switch (auto source_type = source().type())
{
case node_type::table: print(*reinterpret_cast<const table*>(&source())); break;
case node_type::array: print(*reinterpret_cast<const array*>(&source())); break;
default: print_value(source(), source_type);
}
}
}
TOML_NAMESPACE_END;
#include "header_end.h"
#endif // TOML_ENABLE_FORMATTERS