#include #include #include namespace hex { EncodingFile::EncodingFile(Type type, const std::string &path) { std::ifstream encodingFile(path.c_str()); switch (type) { case Type::Thingy: parseThingyFile(encodingFile); break; default: throw std::runtime_error("Invalid encoding file type"); } this->m_valid = true; } std::pair EncodingFile::getEncodingFor(const std::vector &buffer) const { for (auto riter = this->m_mapping.crbegin(); riter != this->m_mapping.crend(); ++riter) { const auto &[size, mapping] = *riter; if (size > buffer.size()) continue; auto key = std::vector(buffer.begin(), buffer.begin() + size); if (mapping.contains(key)) return { mapping.at(key), size }; } return { ".", 1 }; } void EncodingFile::parseThingyFile(std::ifstream &content) { for (std::string line; std::getline(content, line);) { std::string from, to; { auto delimiterPos = line.find('=', 0); if (delimiterPos == std::string::npos) continue; from = line.substr(0, delimiterPos); to = line.substr(delimiterPos + 1); hex::trim(from); hex::trim(to); if (from.empty()) continue; if (to.empty()) to = " "; } auto fromBytes = hex::parseByteString(from); if (fromBytes.empty()) continue; if (!this->m_mapping.contains(fromBytes.size())) this->m_mapping.insert({ fromBytes.size(), { } }); this->m_mapping[fromBytes.size()].insert({ fromBytes, to }); this->m_longestSequence = std::max(this->m_longestSequence, fromBytes.size()); } } }