139 lines
3.5 KiB
C++
139 lines
3.5 KiB
C++
// SPDX-FileCopyrightText: 2019-2024 Connor McLaughlin <stenzek@gmail.com>
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// SPDX-License-Identifier: CC-BY-NC-ND-4.0
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#include "types.h"
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#include "ryml.hpp"
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#include <string>
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#include <string_view>
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// RapidYAML utility routines.
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[[maybe_unused]] ALWAYS_INLINE std::string_view to_stringview(const c4::csubstr& s)
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{
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return std::string_view(s.data(), s.size());
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}
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[[maybe_unused]] ALWAYS_INLINE std::string_view to_stringview(const c4::substr& s)
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{
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return std::string_view(s.data(), s.size());
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}
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[[maybe_unused]] ALWAYS_INLINE c4::csubstr to_csubstr(std::string_view sv)
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{
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return c4::csubstr(sv.data(), sv.length());
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}
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[[maybe_unused]] static bool GetStringFromObject(const ryml::ConstNodeRef& object, std::string_view key,
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std::string* dest)
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{
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dest->clear();
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const ryml::ConstNodeRef member = object.find_child(to_csubstr(key));
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if (!member.valid())
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return false;
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const c4::csubstr val = member.val();
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if (!val.empty())
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dest->assign(val.data(), val.size());
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return true;
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}
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[[maybe_unused]] static bool GetStringFromObject(const ryml::ConstNodeRef& object, std::string_view key,
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std::string_view* dest)
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{
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const ryml::ConstNodeRef member = object.find_child(to_csubstr(key));
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if (!member.valid())
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{
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*dest = std::string_view();
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return false;
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}
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*dest = to_stringview(member.val());
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return true;
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}
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template<typename T>
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[[maybe_unused]] static bool GetUIntFromObject(const ryml::ConstNodeRef& object, std::string_view key, T* dest)
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{
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*dest = 0;
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const ryml::ConstNodeRef member = object.find_child(to_csubstr(key));
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if (!member.valid())
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return false;
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const c4::csubstr val = member.val();
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if (val.empty())
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{
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ERROR_LOG("Unexpected empty value in {}", key);
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return false;
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}
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const std::optional<T> opt_value = StringUtil::FromChars<T>(to_stringview(val));
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if (!opt_value.has_value())
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{
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ERROR_LOG("Unexpected non-uint value in {}", key);
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return false;
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}
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*dest = opt_value.value();
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return true;
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}
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template<typename T>
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[[maybe_unused]] static std::optional<T> GetOptionalTFromObject(const ryml::ConstNodeRef& object, std::string_view key)
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{
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std::optional<T> ret;
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const ryml::ConstNodeRef member = object.find_child(to_csubstr(key));
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if (member.valid())
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{
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const c4::csubstr val = member.val();
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if (!val.empty())
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{
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ret = StringUtil::FromChars<T>(to_stringview(val));
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if (!ret.has_value())
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{
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if constexpr (std::is_floating_point_v<T>)
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ERROR_LOG("Unexpected non-float value in {}", key);
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else if constexpr (std::is_integral_v<T>)
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ERROR_LOG("Unexpected non-int value in {}", key);
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}
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}
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else
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{
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ERROR_LOG("Unexpected empty value in {}", key);
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}
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}
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return ret;
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}
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template<typename T>
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[[maybe_unused]] static std::optional<T>
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ParseOptionalTFromObject(const ryml::ConstNodeRef& object, std::string_view key,
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std::optional<T> (*from_string_function)(const char* str))
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{
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std::optional<T> ret;
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const ryml::ConstNodeRef member = object.find_child(to_csubstr(key));
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if (member.valid())
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{
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const c4::csubstr val = member.val();
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if (!val.empty())
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{
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ret = from_string_function(TinyString(to_stringview(val)));
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if (!ret.has_value())
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ERROR_LOG("Unknown value for {}: {}", key, to_stringview(val));
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}
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else
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{
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ERROR_LOG("Unexpected empty value in {}", key);
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}
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}
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return ret;
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}
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