(C++) IpAddress

 

 

IpAddress is a class for containing an IP address.

Technical facts

 

 

 

 

 

 

./CppIpAddress/CppIpAddress.pri

 

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INCLUDEPATH += \     ../../Classes/CppIpAddress SOURCES += \     ../../Classes/CppIpAddress/ipaddress.cpp HEADERS  += \     ../../Classes/CppIpAddress/ipaddress.h OTHER_FILES += \     ../../Classes/CppIpAddress/Licence.txt

 

 

 

 

 

./CppIpAddress/ipaddress.h

 

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//--------------------------------------------------------------------------- /* IpAddress, class for containing an IP address Copyright 2011-2015 Richel Bilderbeek This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. */ //--------------------------------------------------------------------------- //From http://www.richelbilderbeek.nl/CppIpAddress.htm //--------------------------------------------------------------------------- #ifndef IPADDRESS_H #define IPADDRESS_H #include <string> #include <vector> #include <boost/checked_delete.hpp> namespace ribi { ///IpAddress guarantees to contain a valid IP address struct IpAddress {   ///IpAddress constructor throws an exception when   ///ip_address is not a valid IP address   explicit IpAddress(const std::string& ip_address);   ///IpAddress is a base class, so its destructor must be virtual   virtual ~IpAddress() noexcept {}   ///Get the IP address as a std::string   const std::string& Get() const noexcept { return m_ip_address; }   ///Obtain the IpAddress version   static std::string GetVersion() noexcept;   ///Obtain the IpAddress version history   static std::vector<std::string> GetVersionHistory() noexcept;   private:   ///The std::string guaranteed to hold a valid IP address   std::string m_ip_address; }; ///SafeIpAddress contains a valid or invalid IP address struct SafeIpAddress //: public IpAddress {   ///SafeIpAddress constructor does not throw an exception   ///ip_address is not a valid IP address   SafeIpAddress(const std::string& ip_address) noexcept;   SafeIpAddress(const SafeIpAddress&) = delete;   SafeIpAddress& operator=(const SafeIpAddress&) = delete;   ///Get the possibe IP address as a std::string   const std::string& Get() const noexcept { return m_ip_address; }   private:   ~SafeIpAddress() noexcept {}   friend void boost::checked_delete<>(SafeIpAddress*);   friend void boost::checked_delete<>(const SafeIpAddress*);   ///The std::string that might hold a valid IP address   std::string m_ip_address; }; bool operator==(const IpAddress& lhs,const IpAddress& rhs) noexcept; bool operator==(const SafeIpAddress& lhs,const SafeIpAddress& rhs) noexcept; } //~namespace ribi #endif // IPADDRESS_H

 

 

 

 

 

./CppIpAddress/ipaddress.cpp

 

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//--------------------------------------------------------------------------- /* IpAddress, class for containing an IP address Copyright 2011-2015 Richel Bilderbeek This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. */ //--------------------------------------------------------------------------- //From http://www.richelbilderbeek.nl/CppIpAddress.htm //--------------------------------------------------------------------------- #pragma GCC diagnostic push #pragma GCC diagnostic ignored "-Weffc++" #pragma GCC diagnostic ignored "-Wunused-local-typedefs" #include "ipaddress.h" #include <stdexcept> #include <boost/xpressive/xpressive.hpp> #pragma GCC diagnostic pop ribi::IpAddress::IpAddress(const std::string& ip_address)   : m_ip_address{ip_address} {   const boost::xpressive::sregex regex_ip_address     = boost::xpressive::sregex::compile("\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}");   if(!boost::xpressive::regex_match(ip_address,regex_ip_address))   {     throw std::logic_error("Invalid IP address");   } } std::string ribi::IpAddress::GetVersion() noexcept {   return "1.1"; } std::vector<std::string> ribi::IpAddress::GetVersionHistory() noexcept {   return {     "2011-06-08: version 1.0: initial version",     "2013-09-02: version 1.1: replaced Boost.Regex by Boost.Xpressive"   }; } ribi::SafeIpAddress::SafeIpAddress(const std::string& ip_address) noexcept   : m_ip_address(ip_address) { } bool ribi::operator==(const IpAddress& lhs,const IpAddress& rhs) noexcept {   return lhs.Get() == rhs.Get(); } bool ribi::operator==(const SafeIpAddress& lhs,const SafeIpAddress& rhs) noexcept {   return lhs.Get() == rhs.Get(); }