ip_address.h

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/*
Copyright (c) 2009 zooml.com

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*/
#ifndef __TERRALIB_COMMON_INTERNAL_IP_ADDRESS_H
#define __TERRALIB_COMMON_INTERNAL_IP_ADDRESS_H
#include "../Config.h"
#include <string>
#include <iostream>
namespace te
{
  namespace common
  {
    namespace uri
    {
      class ipv6_address;
      /** \brief IP address.
       *
       * Syntax: Note that leading 0's are not valid.
       * <pre>
       * IPv4address = dec-octet "." dec-octet "." dec-octet "." dec-octet
       * dec-octet   = DIGIT                 ; 0-9
       *             | %%x31-39 DIGIT         ; 10-99
       *             | "1" 2DIGIT            ; 100-199
       *             | "2" %%x30-34 DIGIT     ; 200-249
       *             | "25" %%x30-35          ; 250-255
       * </pre>
       * @see http://tools.ietf.org/html/rfc3986#section-3.2.2 */
      class TECOMMONEXPORT ip_address {
      public:
          ip_address(); ///< Construct null.
          /// Construct from string. Note that the string cannot
          /// be empty, it must contain valid chars.
          /// @exception std::invalid_argument if invalid
          ip_address(const std::string& v);
          /// Test if null (all 0's).
          bool is_null() const {return !octets_[0] && !octets_[1] && !octets_[2] && !octets_[3];}
          std::string string() const; ///< Calculate string.
          std::ostream& operator <<(std::ostream& os) const; ///< Stream out.
          static const char SEPARATOR_CHAR; ///< separator ('.')
      private:
          friend bool TECOMMONEXPORT parse(std::string::const_iterator& first, std::string::const_iterator last, ip_address& v);
          friend bool TECOMMONEXPORT parse(std::string::const_iterator& first, std::string::const_iterator last, ipv6_address& v);
          unsigned char octets_[4];
      };
      /// Stream out IP address.
      inline std::ostream& operator <<(std::ostream& os, const ip_address& v) {return v.operator <<(os);}
      /// Parse IP address, returning whether found or not
      /// and advancing first and setting address if found.
      /// Does not skip leading space.
      bool TECOMMONEXPORT parse(std::string::const_iterator& first, std::string::const_iterator last, ip_address& v);
    }
  }
}
#endif