Added function to retrieve sequence numbers of messages whose UID is greater or equal than a specified UID (thanks to Zahi Mashael).

src/net/imap/IMAPFolder.cpp

@@ -1772,6 +1772,62 @@ void IMAPFolder::status(int& count, int& unseen)
 }
 
 
+std::vector <int> IMAPFolder::getMessageNumbersStartingOnUID(const message::uid& uid)
+{
+	std::vector<int> v;
+
+	std::ostringstream command;
+	command.imbue(std::locale::classic());
+
+	command << "SEARCH UID " << uid;
+
+	// Send the request
+	m_connection->send(true, command.str(), true);
+
+	// Get the response
+	utility::auto_ptr <IMAPParser::response> resp(m_connection->readResponse());
+
+	if (resp->isBad() ||
+	    resp->response_done()->response_tagged()->resp_cond_state()->status() != IMAPParser::resp_cond_state::OK)
+	{
+		throw exceptions::command_error("SEARCH",
+			m_connection->getParser()->lastLine(), "bad response");
+	}
+
+	const std::vector <IMAPParser::continue_req_or_response_data*>& respDataList = resp->continue_req_or_response_data();
+
+	for (std::vector <IMAPParser::continue_req_or_response_data*>::const_iterator
+	     it = respDataList.begin() ; it != respDataList.end() ; ++it)
+	{
+		if ((*it)->response_data() == NULL)
+		{
+			throw exceptions::command_error("SEARCH",
+				m_connection->getParser()->lastLine(), "invalid response");
+		}
+
+		const IMAPParser::mailbox_data* mailboxData =
+			(*it)->response_data()->mailbox_data();
+
+		// We are only interested in responses of type "SEARCH"
+		if (mailboxData == NULL ||
+		    mailboxData->type() != IMAPParser::mailbox_data::SEARCH)
+		{
+			continue;
+		}
+
+		for (std::vector <IMAPParser::nz_number*>::const_iterator
+				it = mailboxData->search_nz_number_list().begin() ;
+		     it != mailboxData->search_nz_number_list().end();
+		     ++it)
+		{
+			v.push_back((*it)->value());
+		}
+	}
+
+	return v;
+}
+
+
 } // imap
 } // net
 } // vmime

src/net/maildir/maildirFolder.cpp

@@ -1363,6 +1363,12 @@ const utility::file::path maildirFolder::getMessageFSPath(const int number) cons
 }
 
 
+std::vector <int> maildirFolder::getMessageNumbersStartingOnUID(const message::uid& /* uid */)
+{
+	throw exceptions::operation_not_supported();
+}
+
+
 } // maildir
 } // net
 } // vmime

src/net/pop3/POP3Folder.cpp

@@ -843,6 +843,12 @@ void POP3Folder::expunge()
 }
 
 
+std::vector <int> POP3Folder::getMessageNumbersStartingOnUID(const message::uid& /* uid */)
+{
+	throw exceptions::operation_not_supported();
+}
+
+
 } // pop3
 } // net
 } // vmime

vmime/net/folder.hpp

@@ -383,6 +383,13 @@ public:
 	  */
 	virtual int getFetchCapabilities() const = 0;
 
+	/** Return the sequence numbers of messages whose UID equal or greater than uid
+ 	  *
+ 	  * @param uid the uid of the first message
+ 	  * @throw net_exception if an error occurs
+ 	  */
+	virtual std::vector <int> getMessageNumbersStartingOnUID(const message::uid& uid) = 0;
+
 	// Event listeners
 	void addMessageChangedListener(events::messageChangedListener* l);
 	void removeMessageChangedListener(events::messageChangedListener* l);

vmime/net/imap/IMAPFolder.hpp

@@ -120,6 +120,8 @@ public:
 
 	int getFetchCapabilities() const;
 
+	std::vector <int> getMessageNumbersStartingOnUID(const message::uid& uid);
+
 private:
 
 	void registerMessage(IMAPMessage* msg);

vmime/net/maildir/maildirFolder.hpp

@@ -121,6 +121,8 @@ public:
 
 	int getFetchCapabilities() const;
 
+	std::vector <int> getMessageNumbersStartingOnUID(const message::uid& uid);
+
 private:
 
 	void scanFolder();

vmime/net/pop3/POP3Folder.hpp

@@ -119,6 +119,8 @@ public:
 
 	int getFetchCapabilities() const;
 
+	std::vector <int> getMessageNumbersStartingOnUID(const message::uid& uid);
+
 private:
 
 	void registerMessage(POP3Message* msg);