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// # 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.hpp"
// # {{
#if !TOML_IMPLEMENTATION
#error This is an implementation-only header.
#endif
// # }}
#if TOML_ENABLE_FORMATTERS
#include "array.hpp"
#include "header_start.hpp"
#include "print_to_stream.hpp"
#include "table.hpp"
#include "yaml_formatter.hpp"
TOML_NAMESPACE_START {
TOML_EXTERNAL_LINKAGE
void yaml_formatter::print_yaml_string(const value<std::string>& str) {
if (str->empty()) {
base::print(str);
return;
}
bool contains_newline = false;
for (auto c = str->c_str(), e = str->c_str() + str->length(); c < e && !contains_newline; c++)
contains_newline = *c == '\n';
if (contains_newline) {
print_unformatted("|-"sv);
increase_indent();
auto line_end = str->c_str() - 1u;
const auto end = str->c_str() + str->length();
while (line_end != end) {
auto line_start = line_end + 1u;
line_end = line_start;
for (; line_end != end && *line_end != '\n'; line_end++);
if TOML_LIKELY (line_start != line_end || line_end != end) {
print_newline();
print_indent();
print_unformatted(
std::string_view{line_start, static_cast<size_t>(line_end - line_start)});
}
}
decrease_indent();
} else
print_string(*str, false, true);
}
TOML_EXTERNAL_LINKAGE
void yaml_formatter::print(const toml::table& tbl, bool parent_is_array) {
if (tbl.empty()) {
print_unformatted("{}"sv);
return;
}
increase_indent();
for (auto&& [k, v] : tbl) {
if (!parent_is_array) {
print_newline();
print_indent();
}
parent_is_array = false;
print_string(k.str(), false, true);
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;
case node_type::string:
print_yaml_string(*reinterpret_cast<const value<std::string>*>(&v));
break;
default:
print_value(v, type);
}
}
decrease_indent();
}
TOML_EXTERNAL_LINKAGE
void yaml_formatter::print(const toml::array& arr, bool parent_is_array) {
if (arr.empty()) {
print_unformatted("[]"sv);
return;
}
increase_indent();
for (auto&& v : arr) {
if (!parent_is_array) {
print_newline();
print_indent();
}
parent_is_array = false;
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), true);
break;
case node_type::array:
print(*reinterpret_cast<const array*>(&v), true);
break;
case node_type::string:
print_yaml_string(*reinterpret_cast<const value<std::string>*>(&v));
break;
default:
print_value(v, type);
}
}
decrease_indent();
}
TOML_EXTERNAL_LINKAGE
void yaml_formatter::print() {
if (dump_failed_parse_result()) return;
switch (auto source_type = source().type()) {
case node_type::table:
decrease_indent(); // so root kvps and tables have the same indent
print(*reinterpret_cast<const table*>(&source()));
break;
case node_type::array:
print(*reinterpret_cast<const array*>(&source()));
break;
case node_type::string:
print_yaml_string(*reinterpret_cast<const value<std::string>*>(&source()));
break;
default:
print_value(source(), source_type);
}
}
}
TOML_NAMESPACE_END;
#include "header_end.hpp"
#endif // TOML_ENABLE_FORMATTERS
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