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/**
* Addresses.h
*
* Class that contains multiple addresses
*
* @author Emiel Bruijntjes <emiel.bruijntjes@copernica.com>
* @copyright 2017 Copernica BV
*/
/**
* Include guard
*/
#pragma once
/**
* Dependencies
*/
#include <cstring>
/**
* Begin of namespace
*/
namespace AMQP {
/**
* Class definition
*/
class Addresses
{
private:
/**
* The actual addresses
* @var std::vector<Address>
*/
std::vector<Address> _addresses;
public:
/**
* Constructor for a comma separated list
* @param buffer
* @param size
* @throws std::runtime_error
*/
Addresses(const char *buffer, size_t size)
{
// keep looping
while (true)
{
// look for the comma
const char *comma = memchr(buffer, ',', size);
// stop if there is no comma
if (comma == nullptr) break;
// size of the address
size_t addresssize = comma - buffer - 1;
// add address
_addresses.emplace_back(buffer, addresssize);
// update for next iteration
buffer += addresssize + 1;
size -= addresssize + 1;
}
// do we have more?
if (size > 0) _addresses.emplace_back(buffer, size);
// was anything found?
if (_addresses.size() > 0) return;
// no addresses found
throw std::runtime_error("no addresses");
}
/**
* Constructor for a comma separated list
* @param buffer
* @throws std::runtime_error
*/
Addresses(const char *buffer) : Addresses(buffer, strlen(buffer)) {}
/**
* Constructor for a comma separated list
* @param buffer
* @throws std::runtime_error
*/
Addresses(const std::string &buffer) : Addresses(buffer.data(), buffer.size()) {}
/**
* Destructed
*/
virtual ~Addresses() = default;
/**
* Number of addresses
* @return size_t
*/
size_t size() const
{
return _addresses.size();
}
/**
* Expose an address by index
* @param index
* @return Address
*/
const Address &operator[](size_t index) const
{
return _addresses.at(index);
}
};
/**
* End of namespace
*/
}
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