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use std::fmt; use nom::{ IResult, branch::alt, combinator::map, bytes::complete::tag_no_case }; #[derive(Debug, PartialEq, Clone)] pub enum SdpAttributeType { Rtpmap, RecvOnly, SendOnly, SendRecv, Fmtp } impl fmt::Display for SdpAttributeType { fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { match self { SdpAttributeType::Rtpmap => write!(f, "rtpmap"), SdpAttributeType::RecvOnly => write!(f, "recvonly"), SdpAttributeType::SendRecv => write!(f, "sendrecv"), SdpAttributeType::SendOnly => write!(f, "sendonly"), SdpAttributeType::Fmtp => write!(f, "fmtp") } } } pub fn parse_attribute_type(input: &[u8]) -> IResult<&[u8], SdpAttributeType> { alt(( map(tag_no_case("rtpmap"), |_| SdpAttributeType::Rtpmap), map(tag_no_case("fmtp"), |_| SdpAttributeType::Fmtp), map(tag_no_case("recvonly"), |_| SdpAttributeType::RecvOnly), map(tag_no_case("sendrecv"), |_| SdpAttributeType::SendRecv), map(tag_no_case("sendonly"), |_| SdpAttributeType::SendOnly) ))(input) }