83 lines
1.5 KiB
C++
83 lines
1.5 KiB
C++
#pragma once
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#include <sstream>
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class IPAddress
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{
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public:
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int operator[](int index) const
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{
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if (index < countof(m_octets) && index > 0)
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{
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return m_octets[index];
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}
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throw std::invalid_argument("Invalid octet index.");
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}
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bool operator==(const IPAddress& right) const
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{
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return (m_octets[0] == right.m_octets[0] &&
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m_octets[1] == right.m_octets[1] &&
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m_octets[2] == right.m_octets[2] &&
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m_octets[3] == right.m_octets[3]);
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}
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bool operator!= (const IPAddress& right) const
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{
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return !operator==(right);
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}
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bool operator<(const IPAddress& right) const
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{
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return ToInt() < right.ToInt();
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}
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bool operator>(const IPAddress& right) const
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{
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return right.operator<(*this);
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}
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static IPAddress FromString(const tstring_view str)
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{
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IPAddress ipAddress;
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char octetBuff[4]{};
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std::string tmp(str);
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std::istringstream iss(tmp);
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int octetsRead = 0;
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while (true)
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{
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iss.getline(octetBuff, sizeof(octetBuff), '.');
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if (iss.gcount() <= 0)
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break;
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int octet = atoi(octetBuff);
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if (octet > 255 || octet < 0)
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{
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throw std::invalid_argument(fmt::format("Octet '{0}' is invalid.", octet));
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}
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ipAddress.m_octets[octetsRead] = octet;
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octetsRead++;
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}
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return ipAddress;
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}
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std::string ToString() const
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{
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return fmt::sprintf("%d.%d.%d.%d", m_octets[0], m_octets[1], m_octets[2], m_octets[3]);
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}
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uint ToInt() const
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{
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return ((m_octets[0] << 24) + (m_octets[1] << 16) + (m_octets[2] << 8) + m_octets[3]);
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}
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protected:
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int m_octets[4]{};
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};
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