pop3folder.cpp

MIME解析的代码

		}
	}

	if (progress)
		progress->stop(total);
}


void POP3Folder::fetchMessage(ref <message> msg, const int options)
{
	ref <POP3Store> store = m_store.acquire();

	if (!store)
		throw exceptions::illegal_state("Store disconnected");
	else if (!isOpen())
		throw exceptions::illegal_state("Folder not open");

	msg.dynamicCast <POP3Message>()->fetch
		(thisRef().dynamicCast <POP3Folder>(), options);

	if (options & FETCH_SIZE)
	{
		// Send the "LIST" command
		std::ostringstream command;
		command.imbue(std::locale::classic());

		command << "LIST " << msg->getNumber();

		store->sendRequest(command.str());

		// Get the response
		string response;
		store->readResponse(response, false, NULL);

		if (store->isSuccessResponse(response))
		{
			store->stripResponseCode(response, response);

			// C: LIST 2
			// S: +OK 2 4242
			string::iterator it = response.begin();

			while (it != response.end() && (*it == ' ' || *it == '\t')) ++it;
			while (it != response.end() && !(*it == ' ' || *it == '\t')) ++it;
			while (it != response.end() && (*it == ' ' || *it == '\t')) ++it;

			if (it != response.end())
			{
				int size = 0;

				std::istringstream iss(string(it, response.end()));
				iss >> size;

				msg.dynamicCast <POP3Message>()->m_size = size;
			}
		}
	}

	if (options & FETCH_UID)
	{
		// Send the "UIDL" command
		std::ostringstream command;
		command.imbue(std::locale::classic());

		command << "UIDL " << msg->getNumber();

		store->sendRequest(command.str());

		// Get the response
		string response;
		store->readResponse(response, false, NULL);

		if (store->isSuccessResponse(response))
		{
			store->stripResponseCode(response, response);

			// C: UIDL 2
			// S: +OK 2 QhdPYR:00WBw1Ph7x7
			string::iterator it = response.begin();

			while (it != response.end() && (*it == ' ' || *it == '\t')) ++it;
			while (it != response.end() && !(*it == ' ' || *it == '\t')) ++it;
			while (it != response.end() && (*it == ' ' || *it == '\t')) ++it;

			if (it != response.end())
			{
				msg.dynamicCast <POP3Message>()->m_uid =
					string(it, response.end());
			}
		}
	}
}


int POP3Folder::getFetchCapabilities() const
{
	return (FETCH_ENVELOPE | FETCH_CONTENT_INFO |
	        FETCH_SIZE | FETCH_FULL_HEADER | FETCH_UID |
	        FETCH_IMPORTANCE);
}


ref <folder> POP3Folder::getParent()
{
	if (m_path.isEmpty())
		return NULL;
	else
		return vmime::create <POP3Folder>(m_path.getParent(), m_store.acquire());
}


ref <const store> POP3Folder::getStore() const
{
	return m_store.acquire();
}


ref <store> POP3Folder::getStore()
{
	return m_store.acquire();
}


void POP3Folder::registerMessage(POP3Message* msg)
{
	m_messages.insert(MessageMap::value_type(msg, msg->getNumber()));
}


void POP3Folder::unregisterMessage(POP3Message* msg)
{
	m_messages.erase(msg);
}


void POP3Folder::onStoreDisconnected()
{
	m_store = NULL;
}


void POP3Folder::deleteMessage(const int num)
{
	ref <POP3Store> store = m_store.acquire();

	if (!store)
		throw exceptions::illegal_state("Store disconnected");
	else if (!isOpen())
		throw exceptions::illegal_state("Folder not open");

	std::ostringstream command;
	command.imbue(std::locale::classic());

	command << "DELE " << num;

	store->sendRequest(command.str());

	string response;
	store->readResponse(response, false);

	if (!store->isSuccessResponse(response))
		throw exceptions::command_error("DELE", response);

	// Update local flags
	for (std::map <POP3Message*, int>::iterator it =
	     m_messages.begin() ; it != m_messages.end() ; ++it)
	{
		POP3Message* msg = (*it).first;

		if (msg->getNumber() == num)
			msg->m_deleted = true;
	}

	// Notify message flags changed
	std::vector <int> nums;
	nums.push_back(num);

	events::messageChangedEvent event
		(thisRef().dynamicCast <folder>(),
		 events::messageChangedEvent::TYPE_FLAGS, nums);

	notifyMessageChanged(event);
}


void POP3Folder::deleteMessages(const int from, const int to)
{
	ref <POP3Store> store = m_store.acquire();

	if (from < 1 || (to < from && to != -1))
		throw exceptions::invalid_argument();

	if (!store)
		throw exceptions::illegal_state("Store disconnected");
	else if (!isOpen())
		throw exceptions::illegal_state("Folder not open");

	const int to2 = (to == -1 ? m_messageCount : to);

	for (int i = from ; i <= to2 ; ++i)
	{
		std::ostringstream command;
		command.imbue(std::locale::classic());

		command << "DELE " << i;

		store->sendRequest(command.str());

		string response;
		store->readResponse(response, false);

		if (!store->isSuccessResponse(response))
			throw exceptions::command_error("DELE", response);
	}

	// Update local flags
	for (std::map <POP3Message*, int>::iterator it =
	     m_messages.begin() ; it != m_messages.end() ; ++it)
	{
		POP3Message* msg = (*it).first;

		if (msg->getNumber() >= from && msg->getNumber() <= to2)
			msg->m_deleted = true;
	}

	// Notify message flags changed
	std::vector <int> nums;

	for (int i = from ; i <= to2 ; ++i)
		nums.push_back(i);

	events::messageChangedEvent event
		(thisRef().dynamicCast <folder>(),
		 events::messageChangedEvent::TYPE_FLAGS, nums);

	notifyMessageChanged(event);
}


void POP3Folder::deleteMessages(const std::vector <int>& nums)
{
	ref <POP3Store> store = m_store.acquire();

	if (nums.empty())
		throw exceptions::invalid_argument();

	if (!store)
		throw exceptions::illegal_state("Store disconnected");
	else if (!isOpen())
		throw exceptions::illegal_state("Folder not open");

	for (std::vector <int>::const_iterator
	     it = nums.begin() ; it != nums.end() ; ++it)
	{
		std::ostringstream command;
		command.imbue(std::locale::classic());

		command << "DELE " << (*it);

		store->sendRequest(command.str());

		string response;
		store->readResponse(response, false);

		if (!store->isSuccessResponse(response))
			throw exceptions::command_error("DELE", response);
	}

	// Sort message list
	std::vector <int> list;

	list.resize(nums.size());
	std::copy(nums.begin(), nums.end(), list.begin());

	std::sort(list.begin(), list.end());

	// Update local flags
	for (std::map <POP3Message*, int>::iterator it =
	     m_messages.begin() ; it != m_messages.end() ; ++it)
	{
		POP3Message* msg = (*it).first;

		if (std::binary_search(list.begin(), list.end(), msg->getNumber()))
			msg->m_deleted = true;
	}

	// Notify message flags changed
	events::messageChangedEvent event
		(thisRef().dynamicCast <folder>(),
		 events::messageChangedEvent::TYPE_FLAGS, list);

	notifyMessageChanged(event);
}


void POP3Folder::setMessageFlags(const int /* from */, const int /* to */,
	const int /* flags */, const int /* mode */)
{
	throw exceptions::operation_not_supported();
}


void POP3Folder::setMessageFlags(const std::vector <int>& /* nums */,
	const int /* flags */, const int /* mode */)
{
	throw exceptions::operation_not_supported();
}


void POP3Folder::rename(const folder::path& /* newPath */)
{
	throw exceptions::operation_not_supported();
}


void POP3Folder::addMessage(ref <vmime::message> /* msg */, const int /* flags */,
	vmime::datetime* /* date */, utility::progressListener* /* progress */)
{
	throw exceptions::operation_not_supported();
}


void POP3Folder::addMessage(utility::inputStream& /* is */, const int /* size */, const int /* flags */,
	vmime::datetime* /* date */, utility::progressListener* /* progress */)
{
	throw exceptions::operation_not_supported();
}


void POP3Folder::copyMessage(const folder::path& /* dest */, const int /* num */)
{
	throw exceptions::operation_not_supported();
}


void POP3Folder::copyMessages(const folder::path& /* dest */, const int /* from */, const int /* to */)
{
	throw exceptions::operation_not_supported();
}


void POP3Folder::copyMessages(const folder::path& /* dest */, const std::vector <int>& /* nums */)
{
	throw exceptions::operation_not_supported();
}


void POP3Folder::status(int& count, int& unseen)
{
	ref <POP3Store> store = m_store.acquire();

	if (!store)
		throw exceptions::illegal_state("Store disconnected");
	else if (!isOpen())
		throw exceptions::illegal_state("Folder not open");

	store->sendRequest("STAT");

	string response;
	store->readResponse(response, false);

	if (!store->isSuccessResponse(response))
		throw exceptions::command_error("STAT", response);

	store->stripResponseCode(response, response);

	std::istringstream iss(response);
	iss >> count;

	unseen = count;

	// Update local message count
	if (m_messageCount != count)
	{
		const int oldCount = m_messageCount;

		m_messageCount = count;

		if (count > oldCount)
		{
			std::vector <int> nums;
			nums.reserve(count - oldCount);

			for (int i = oldCount + 1, j = 0 ; i <= count ; ++i, ++j)
				nums[j] = i;

			// Notify message count changed
			events::messageCountEvent event
				(thisRef().dynamicCast <folder>(),
				 events::messageCountEvent::TYPE_ADDED, nums);

			notifyMessageCount(event);

			// Notify folders with the same path
			for (std::list <POP3Folder*>::iterator it = store->m_folders.begin() ;
			     it != store->m_folders.end() ; ++it)
			{
				if ((*it) != this && (*it)->getFullPath() == m_path)
				{
					(*it)->m_messageCount = count;

					events::messageCountEvent event
						((*it)->thisRef().dynamicCast <folder>(),
						 events::messageCountEvent::TYPE_ADDED, nums);

					(*it)->notifyMessageCount(event);
				}
			}
		}
	}
}


void POP3Folder::expunge()
{
	// Not supported by POP3 protocol (deleted messages are automatically
	// expunged at the end of the session...).
}


} // pop3
} // net
} // vmime