jeanlemotan
72 lines
1.4 KiB
C++
72 lines
1.4 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// Kt C++ Library
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// Copyright (c) 2015 Lewis Baker
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///////////////////////////////////////////////////////////////////////////////
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#include <cppcoro/net/ipv4_endpoint.hpp>
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#include <algorithm>
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namespace
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{
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namespace local
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{
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bool is_digit(char c)
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{
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return c >= '0' && c <= '9';
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}
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std::uint8_t digit_value(char c)
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{
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return static_cast<std::uint8_t>(c - '0');
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}
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std::optional<std::uint16_t> parse_port(std::string_view string)
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{
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if (string.empty()) return std::nullopt;
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std::uint32_t value = 0;
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for (auto c : string)
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{
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if (!is_digit(c)) return std::nullopt;
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value = value * 10 + digit_value(c);
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if (value > 0xFFFFu) return std::nullopt;
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}
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return static_cast<std::uint16_t>(value);
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}
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}
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}
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std::string cppcoro::net::ipv4_endpoint::to_string() const
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{
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auto s = m_address.to_string();
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s.push_back(':');
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s.append(std::to_string(m_port));
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return s;
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}
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std::optional<cppcoro::net::ipv4_endpoint>
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cppcoro::net::ipv4_endpoint::from_string(std::string_view string) noexcept
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{
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auto colonPos = string.find(':');
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if (colonPos == std::string_view::npos)
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{
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return std::nullopt;
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}
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auto address = ipv4_address::from_string(string.substr(0, colonPos));
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if (!address)
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{
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return std::nullopt;
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}
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auto port = local::parse_port(string.substr(colonPos + 1));
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if (!port)
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{
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return std::nullopt;
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}
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return ipv4_endpoint{ *address, *port };
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}
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