//# This file is a part of toml++ and is subject to the the terms of the MIT license. //# Copyright (c) 2019-2020 Mark Gillard //# See https://github.com/marzer/tomlplusplus/blob/master/LICENSE for the full license text. // SPDX-License-Identifier: MIT #pragma once #include "toml_default_formatter.h" //# {{ #if !TOML_DOXYGEN #if !defined(TOML_IMPLEMENTATION) || !TOML_IMPLEMENTATION #error This is an implementation-only header. #endif //# }} TOML_PUSH_WARNINGS TOML_DISABLE_SWITCH_WARNINGS TOML_DISABLE_FLOAT_WARNINGS namespace toml::impl { TOML_PUSH_WARNINGS TOML_DISABLE_ALL_WARNINGS TOML_API TOML_EXTERNAL_LINKAGE toml::string default_formatter_make_key_segment(const toml::string& str) noexcept { if (str.empty()) return TOML_STRING_PREFIX("''"s); else { bool requiresQuotes = false; { impl::utf8_decoder decoder; for (size_t i = 0; i < str.length() && !requiresQuotes; i++) { decoder(static_cast(str[i])); if (decoder.error()) requiresQuotes = true; else if (decoder.has_code_point()) requiresQuotes = !impl::is_bare_key_character(decoder.codepoint); } } if (requiresQuotes) { toml::string s; s.reserve(str.length() + 2_sz); s += TOML_STRING_PREFIX('"'); for (auto c : str) { if (c >= TOML_STRING_PREFIX('\x00') && c <= TOML_STRING_PREFIX('\x1F')) TOML_UNLIKELY s.append(low_character_escape_table[c]); else if (c == TOML_STRING_PREFIX('\x7F')) TOML_UNLIKELY s.append(TOML_STRING_PREFIX("\\u007F"sv)); else if (c == TOML_STRING_PREFIX('"')) TOML_UNLIKELY s.append(TOML_STRING_PREFIX("\\\""sv)); else s += c; } s += TOML_STRING_PREFIX('"'); return s; } else return str; } } TOML_POP_WARNINGS TOML_API TOML_EXTERNAL_LINKAGE size_t default_formatter_inline_columns(const node& node) noexcept { switch (node.type()) { case node_type::table: { auto& n = *reinterpret_cast(&node); if (n.empty()) return 2_sz; // "{}" size_t weight = 3_sz; // "{ }" for (auto [k, v] : n) weight += k.length() + default_formatter_inline_columns(v) + 2_sz; // + ", " return weight; } case node_type::array: { auto& n = *reinterpret_cast(&node); if (n.empty()) return 2_sz; // "[]" size_t weight = 3_sz; // "[ ]" for (auto& elem : n) weight += default_formatter_inline_columns(elem) + 2_sz; // + ", " return weight; } case node_type::string: { auto& n = *reinterpret_cast*>(&node); return n.get().length() + 2_sz; // + "" } case node_type::integer: { auto& n = *reinterpret_cast*>(&node); auto v = n.get(); if (!v) return 1_sz; size_t weight = {}; if (v < 0) { weight += 1; v *= -1; } return weight + static_cast(log10(static_cast(v))) + 1_sz; } case node_type::floating_point: { auto& n = *reinterpret_cast*>(&node); auto v = n.get(); if (v == 0.0) return 3_sz; // "0.0" size_t weight = 2_sz; // ".0" if (v < 0.0) { weight += 1; v *= -1.0; } return weight + static_cast(log10(static_cast(v))) + 1_sz; break; } case node_type::boolean: return 5_sz; case node_type::date: [[fallthrough]]; case node_type::time: return 10_sz; case node_type::date_time: return 30_sz; case node_type::none: TOML_UNREACHABLE; TOML_NO_DEFAULT_CASE; } TOML_UNREACHABLE; } TOML_API TOML_EXTERNAL_LINKAGE bool default_formatter_forces_multiline(const node& node, size_t starting_column_bias) noexcept { return (default_formatter_inline_columns(node) + starting_column_bias) > 120_sz; } } TOML_POP_WARNINGS // TOML_DISABLE_SWITCH_WARNINGS, TOML_DISABLE_FLOAT_WARNINGS //# {{ #endif // !TOML_DOXYGEN //# }}