mirror of
https://github.com/RPCS3/rpcs3.git
synced 2024-11-17 17:11:23 +00:00
397 lines
7.2 KiB
C++
397 lines
7.2 KiB
C++
#include "stdafx.h"
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#include "Config.h"
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#include "util/types.hpp"
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#include "util/yaml.hpp"
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#include <charconv>
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LOG_CHANNEL(cfg_log, "CFG");
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namespace cfg
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{
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_base::_base(type _type)
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: m_type(_type)
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{
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if (_type != type::node)
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{
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cfg_log.fatal("Invalid root node");
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}
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}
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_base::_base(type _type, node* owner, const std::string& name, bool dynamic)
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: m_type(_type), m_dynamic(dynamic), m_name(name)
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{
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for (const auto& pair : owner->m_nodes)
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{
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if (pair.first == name)
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{
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cfg_log.fatal("Node already exists: %s", name);
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}
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}
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owner->m_nodes.emplace_back(name, this);
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}
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bool _base::from_string(const std::string&, bool)
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{
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fmt::throw_exception("from_string() purecall");
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}
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bool _base::from_list(std::vector<std::string>&&)
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{
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fmt::throw_exception("from_list() purecall");
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}
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// Emit YAML
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static void encode(YAML::Emitter& out, const class _base& rhs);
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// Incrementally load config entries from YAML::Node.
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// The config value is preserved if the corresponding YAML node doesn't exist.
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static void decode(const YAML::Node& data, class _base& rhs, bool dynamic = false);
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}
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std::vector<std::string> cfg::make_int_range(s64 min, s64 max)
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{
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return {std::to_string(min), std::to_string(max)};
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}
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bool cfg::try_to_int64(s64* out, const std::string& value, s64 min, s64 max)
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{
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s64 result;
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const char* start = &value.front();
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const char* end = &value.back() + 1;
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int base = 10;
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int sign = +1;
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if (start[0] == '-')
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{
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sign = -1;
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start += 1;
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}
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if (start[0] == '0' && (start[1] == 'x' || start[1] == 'X'))
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{
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// Limited hex support
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base = 16;
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start += 2;
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}
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const auto ret = std::from_chars(start, end, result, base);
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if (ret.ec != std::errc() || ret.ptr != end || (start[0] == '-' && sign < 0))
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{
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if (out) cfg_log.error("cfg::try_to_int64('%s'): invalid integer", value);
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return false;
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}
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result *= sign;
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if (result < min || result > max)
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{
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if (out) cfg_log.error("cfg::try_to_int64('%s'): out of bounds (%d..%d)", value, min, max);
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return false;
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}
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if (out) *out = result;
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return true;
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}
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std::vector<std::string> cfg::make_uint_range(u64 min, u64 max)
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{
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return {std::to_string(min), std::to_string(max)};
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}
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bool cfg::try_to_uint64(u64* out, const std::string& value, u64 min, u64 max)
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{
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u64 result;
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const char* start = &value.front();
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const char* end = &value.back() + 1;
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int base = 10;
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if (start[0] == '0' && (start[1] == 'x' || start[1] == 'X'))
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{
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// Limited hex support
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base = 16;
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start += 2;
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}
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const auto ret = std::from_chars(start, end, result, base);
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if (ret.ec != std::errc() || ret.ptr != end)
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{
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if (out) cfg_log.error("cfg::try_to_uint64('%s'): invalid integer", value);
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return false;
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}
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if (result < min || result > max)
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{
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if (out) cfg_log.error("cfg::try_to_uint64('%s'): out of bounds (%u..%u)", value, min, max);
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return false;
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}
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if (out) *out = result;
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return true;
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}
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bool cfg::try_to_enum_value(u64* out, decltype(&fmt_class_string<int>::format) func, const std::string& value)
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{
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u64 max = -1;
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for (u64 i = 0;; i++)
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{
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std::string var;
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func(var, i);
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if (var == value)
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{
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if (out) *out = i;
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return true;
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}
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std::string hex;
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fmt_class_string<u64>::format(hex, i);
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if (var == hex)
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{
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break;
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}
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max = i;
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}
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u64 result;
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const char* start = &value.front();
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const char* end = &value.back() + 1;
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int base = 10;
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if (start[0] == '0' && (start[1] == 'x' || start[1] == 'X'))
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{
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// Limited hex support
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base = 16;
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start += 2;
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}
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const auto ret = std::from_chars(start, end, result, base);
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if (ret.ec != std::errc() || ret.ptr != end)
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{
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if (out) cfg_log.error("cfg::try_to_enum_value('%s'): invalid enum or integer", value);
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return false;
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}
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if (result > max)
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{
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if (out) cfg_log.error("cfg::try_to_enum_value('%s'): out of bounds(0..%u)", value, max);
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return false;
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}
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if (out) *out = result;
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return true;
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}
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std::vector<std::string> cfg::try_to_enum_list(decltype(&fmt_class_string<int>::format) func)
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{
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std::vector<std::string> result;
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for (u64 i = 0;; i++)
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{
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std::string var;
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func(var, i);
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std::string hex;
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fmt_class_string<u64>::format(hex, i);
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if (var == hex)
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{
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break;
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}
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result.emplace_back(std::move(var));
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}
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return result;
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}
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void cfg::encode(YAML::Emitter& out, const cfg::_base& rhs)
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{
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switch (rhs.get_type())
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{
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case type::node:
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{
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out << YAML::BeginMap;
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for (const auto& np : static_cast<const node&>(rhs).get_nodes())
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{
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out << YAML::Key << np.first;
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out << YAML::Value;
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encode(out, *np.second);
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}
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out << YAML::EndMap;
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return;
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}
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case type::set:
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{
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out << YAML::BeginSeq;
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for (const auto& str : static_cast<const set_entry&>(rhs).get_set())
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{
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out << str;
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}
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out << YAML::EndSeq;
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return;
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}
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case type::log:
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{
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out << YAML::BeginMap;
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for (const auto& np : static_cast<const log_entry&>(rhs).get_map())
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{
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if (np.second == logs::level::notice) continue;
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out << YAML::Key << np.first;
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out << YAML::Value << fmt::format("%s", np.second);
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}
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out << YAML::EndMap;
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return;
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}
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default:
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{
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out << rhs.to_string();
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return;
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}
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}
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}
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void cfg::decode(const YAML::Node& data, cfg::_base& rhs, bool dynamic)
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{
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if (dynamic && !rhs.get_is_dynamic())
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{
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return;
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}
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switch (rhs.get_type())
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{
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case type::node:
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{
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if (data.IsScalar() || data.IsSequence())
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{
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return; // ???
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}
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for (const auto& pair : data)
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{
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if (!pair.first.IsScalar()) continue;
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// Find the key among existing nodes
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for (const auto& _pair : static_cast<node&>(rhs).get_nodes())
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{
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if (_pair.first == pair.first.Scalar())
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{
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decode(pair.second, *_pair.second, dynamic);
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}
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}
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}
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break;
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}
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case type::set:
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{
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std::vector<std::string> values;
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if (YAML::convert<decltype(values)>::decode(data, values))
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{
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rhs.from_list(std::move(values));
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}
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break;
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}
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case type::log:
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{
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if (data.IsScalar() || data.IsSequence())
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{
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return; // ???
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}
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std::map<std::string, logs::level> values;
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for (const auto& pair : data)
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{
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if (!pair.first.IsScalar() || !pair.second.IsScalar()) continue;
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u64 value;
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if (cfg::try_to_enum_value(&value, &fmt_class_string<logs::level>::format, pair.second.Scalar()))
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{
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values.emplace(pair.first.Scalar(), static_cast<logs::level>(static_cast<int>(value)));
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}
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}
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static_cast<log_entry&>(rhs).set_map(std::move(values));
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break;
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}
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default:
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{
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std::string value;
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if (YAML::convert<std::string>::decode(data, value))
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{
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rhs.from_string(value, dynamic);
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}
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break; // ???
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}
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}
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}
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std::string cfg::node::to_string() const
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{
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YAML::Emitter out;
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cfg::encode(out, *this);
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return {out.c_str(), out.size()};
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}
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bool cfg::node::from_string(const std::string& value, bool dynamic)
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{
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auto [result, error] = yaml_load(value);
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if (error.empty())
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{
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cfg::decode(result, *this, dynamic);
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return true;
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}
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cfg_log.fatal("Failed to load node: %s", error);
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return false;
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}
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void cfg::node::from_default()
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{
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for (auto& node : m_nodes)
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{
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node.second->from_default();
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}
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}
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void cfg::_bool::from_default()
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{
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m_value = def;
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}
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void cfg::string::from_default()
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{
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m_value = def;
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}
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void cfg::set_entry::from_default()
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{
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m_set = {};
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}
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void cfg::log_entry::set_map(std::map<std::string, logs::level>&& map)
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{
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m_map = std::move(map);
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}
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void cfg::log_entry::from_default()
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{
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set_map({});
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}
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