decoding support for RFC 3265 and RFC 3313 (e921cc9b) · Commits · TTCN-3 Libraries / LibSip

codec/c++/sip_codets.cpp

+82 −0

Original line number	Diff line number	Diff line
		@@ -131,6 +131,7 @@ bool is_tel_scheme (const char * pszScheme) {
		#define SIPCHARS_TEXT_UTF8CHAR "\x21-\xFD"
		#define SIPREG_ESCAPED "(%[0-9A-Fa-f]{2})"
		#define SIPREG_TOKEN "[" SIPCHARS_ALFANUM ".!%*_+`'~\\-]+"
		#define SIPREG_TOKEN_NODOT "[" SIPCHARS_ALFANUM "!%*_+`'~\\-]+"
		#define SIPREG_WORD "(?:[][" SIPCHARS_ALFANUM "\\-.!%*_+`'~()<>:\\\\\"/?{}])+"
		#define SIPREG_ASCII_WITHOUT_COMMA "[\\x21-\\x2B\\x2D-\\x7E]+"
		#define SIPREG_TEXT_UTF8_TRIM "[\x21-\xFD]([\x21-\xFD]\|(" SIPREG_LWS "))*"
		@@ -737,6 +738,11 @@ private:
		SIP_HEADER_ADD (WWW-Authenticate, , wwwAuthenticate, WWW_AUTHENTICATE_E);
		SIP_HEADER_ADD (RSeq, , rSeq, RSEQ_E);
		SIP_HEADER_ADD (RAck, , rAck, RACK_E);
		SIP_HEADER_ADD (Allow-Events, u, allowEvents, ALLOW_EVENTS_E);
		SIP_HEADER_ADD (Event, o, event, EVENT_E);
		SIP_HEADER_ADD (Subscription-State, , subscriptionState, SUBSCRIPTION_STATE_E);
		SIP_HEADER_ADD (P-Media-Authorization, , pMediaAuthorization, P_MEDIA_AUTHORIZATION_E);

		{
		mEntries.push_back(Entry("", "", MessageHeader::id_undefinedHeader_List, ""));
		Entry& e = *mEntries.rbegin();
		@@ -802,6 +808,8 @@ void MessageHeader::PreDecodeField (Buffer& buffer) throw (DecodeError)
		case id_unsupported:
		case id_via:
		case id_warning:
		case id_allowEvents:
		case id_pMediaAuthorization:
		case id_undefinedHeader_List:
		// these fields can appear multiple times
		break;
		@@ -2024,4 +2032,78 @@ void RAck::PreDecodeField (int id, Buffer& buffer) throw (DecodeError)
		}
		}

		void EventType_List::PreDecode (Buffer& buffer) throw (DecodeError)
		{
		SetHypSize (GetSize() + 1);
		SetHypAppend (1);
		}

		void EventType_List::PreDecodeField (int id, Buffer& buffer) throw (DecodeError)
		{
		static Regex reg_event ("^" SIPREG_TOKEN);
		reg_event.AssertMatch (buffer, this);
		SetHypFieldLength (reg_event.GetMatchedLength());
		}

		void EventType_List::PostDecodeField (int id, Buffer& buffer) throw (DecodeError)
		{
		if (detect_comma (buffer))
		SetHypSize (GetSize() + 1);
		else
		SetHypSize (-2);
		}

		void Event::PreDecodeField (int id, Buffer& buffer) throw (DecodeError)
		{
		static Regex reg_event ("^" SIPREG_TOKEN);
		static Regex reg_separator ("^" SIPREG_SEMI);

		switch (id) {
		case id_eventType:
		reg_event.AssertMatch (buffer, this);
		SetHypFieldLength (id, reg_event.GetMatchedLength());
		break;
		case id_eventParams:
		SetHypFieldIsPresent (id, reg_separator.Match (buffer) ? 1 : 0);
		break;
		}
		}

		void SubscriptionState::PreDecodeField (int id, Buffer& buffer) throw (DecodeError)
		{
		static Regex reg_substate ("^" SIPREG_TOKEN);
		static Regex reg_separator ("^" SIPREG_SEMI);

		switch (id) {
		case id_subState:
		reg_substate.AssertMatch (buffer, this);
		SetHypFieldLength (id, reg_substate.GetMatchedLength());
		break;
		case id_substateParams:
		SetHypFieldIsPresent (id, reg_separator.Match (buffer) ? 1 : 0);
		break;
		}
		}

		void PMediaAuthorization_List::PreDecode (Buffer& buffer) throw (DecodeError)
		{
		SetHypSize (GetSize() + 1);
		SetHypAppend (1);
		}

		void PMediaAuthorization_List::PreDecodeField (int id, Buffer& buffer) throw (DecodeError)
		{
		static Regex reg_media_authorization ("^[" SIPCHARS_HEXA "]+");
		reg_media_authorization.AssertMatch (buffer, this);
		SetHypFieldLength (reg_media_authorization.GetMatchedLength());
		}

		void PMediaAuthorization_List::PostDecodeField (int id, Buffer& buffer) throw (DecodeError)
		{
		if (detect_comma (buffer))
		SetHypSize (GetSize() + 1);
		else
		SetHypSize (-2);
		}

		}} // namespaces