mirror of https://github.com/OpenMW/openmw.git
Use serialized ESM::RefId for Lua records
elsid
2 years ago
parent
ca9c55ac26
commit
b7fdca0fe6
@ -1,24 +1,28 @@
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#include "formidrefid.hpp"
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#include "serializerefid.hpp"
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#include <ostream>
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#include <sstream>
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namespace ESM
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{
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std::string FormIdRefId::toString() const
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{
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return std::to_string(mValue);
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std::string result;
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result.resize(getIntegralSize(mValue) + 2, '\0');
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serializeIntegral(mValue, 0, result);
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return result;
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}
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std::string FormIdRefId::toDebugString() const
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{
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std::ostringstream stream;
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stream << *this;
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return stream.str();
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std::string result;
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serializeRefIdValue(mValue, formIdRefIdPrefix, result);
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return result;
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}
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std::ostream& operator<<(std::ostream& stream, FormIdRefId value)
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{
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return stream << "FormId{" << value.mValue << '}';
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return stream << value.toDebugString();
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}
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}
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@ -1,24 +1,28 @@
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#include "generatedrefid.hpp"
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#include "serializerefid.hpp"
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#include <ostream>
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#include <sstream>
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namespace ESM
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{
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std::string GeneratedRefId::toString() const
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{
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return std::to_string(mValue);
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std::string result;
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result.resize(getIntegralSize(mValue) + 2, '\0');
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serializeIntegral(mValue, 0, result);
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return result;
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}
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std::string GeneratedRefId::toDebugString() const
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{
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std::ostringstream stream;
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stream << *this;
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return stream.str();
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std::string result;
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serializeRefIdValue(mValue, generatedRefIdPrefix, result);
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return result;
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}
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std::ostream& operator<<(std::ostream& stream, GeneratedRefId value)
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{
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return stream << "Generated{" << value.mValue << '}';
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return stream << value.toDebugString();
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}
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}
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@ -1,26 +1,33 @@
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#include "indexrefid.hpp"
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#include <ostream>
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#include <sstream>
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#include "serializerefid.hpp"
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#include "esmcommon.hpp"
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#include <ostream>
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namespace ESM
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{
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std::string IndexRefId::toString() const
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{
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return ESM::NAME(mRecordType).toString() + ", " + std::to_string(mValue);
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std::string result;
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result.resize(sizeof(mRecordType) + getIntegralSize(mValue) + 3, '\0');
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std::memcpy(result.data(), &mRecordType, sizeof(mRecordType));
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result[sizeof(mRecordType)] = ':';
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serializeIntegral(mValue, sizeof(mRecordType) + 1, result);
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return result;
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}
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std::string IndexRefId::toDebugString() const
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{
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std::ostringstream stream;
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stream << *this;
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return stream.str();
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std::string result;
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serializeRefIdPrefix(sizeof(mRecordType) + getIntegralSize(mValue) + 1, indexRefIdPrefix, result);
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std::memcpy(result.data() + indexRefIdPrefix.size(), &mRecordType, sizeof(mRecordType));
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result[indexRefIdPrefix.size() + sizeof(mRecordType)] = ':';
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serializeIntegral(mValue, indexRefIdPrefix.size() + sizeof(mRecordType) + 1, result);
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return result;
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}
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std::ostream& operator<<(std::ostream& stream, IndexRefId value)
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{
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return stream << "Index{" << ESM::NAME(value.mRecordType).toStringView() << ", " << value.mValue << '}';
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return stream << value.toDebugString();
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}
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}
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@ -0,0 +1,64 @@
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#ifndef OPENMW_COMPONENTS_ESM_SERIALIZEREFID_HPP
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#define OPENMW_COMPONENTS_ESM_SERIALIZEREFID_HPP
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#include <charconv>
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#include <cstring>
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#include <string>
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#include <string_view>
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#include <system_error>
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namespace ESM
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{
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constexpr std::string_view formIdRefIdPrefix = "FormId:";
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constexpr std::string_view generatedRefIdPrefix = "Generated:";
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constexpr std::string_view indexRefIdPrefix = "Index:";
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template <class T>
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std::size_t getIntegralSize(T value)
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{
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std::size_t result = sizeof(T) * 2;
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while (true)
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{
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if (result == 1 || (value & static_cast<T>(0xf) << ((result - 1) * 4)) != 0)
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break;
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--result;
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}
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return result;
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}
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inline void serializeRefIdPrefix(std::size_t valueSize, std::string_view prefix, std::string& out)
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{
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out.resize(prefix.size() + valueSize + 2, '\0');
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std::memcpy(out.data(), prefix.data(), prefix.size());
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}
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template <class T>
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void serializeIntegral(T value, std::size_t shift, std::string& out)
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{
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out[shift] = '0';
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out[shift + 1] = 'x';
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const auto r = std::to_chars(out.data() + shift + 2, out.data() + out.size(), value, 16);
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if (r.ec != std::errc())
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throw std::system_error(std::make_error_code(r.ec), "Failed to serialize ESM::RefId integral value");
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}
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template <class T>
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void serializeRefIdValue(T value, std::string_view prefix, std::string& out)
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{
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serializeRefIdPrefix(getIntegralSize(value), prefix, out);
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serializeIntegral(value, prefix.size(), out);
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}
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template <class T>
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T deserializeIntegral(std::size_t shift, std::string_view value)
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{
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T result{};
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const auto r = std::from_chars(value.data() + shift + 2, value.data() + value.size(), result, 16);
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if (r.ec != std::errc())
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throw std::system_error(std::make_error_code(r.ec),
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"Failed to deserialize ESM::RefId integral value: \"" + std::string(value) + '"');
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return result;
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}
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}
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#endif
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