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stanza_id: Split the stupid enum into two different structs.

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This commit is contained in:
Emmanuel Gil Peyrot 2017-07-29 03:51:41 +01:00
parent db35d28c9c
commit a0b1d93ff0
2 changed files with 54 additions and 49 deletions
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8
src/message.rs
View file

@ -23,7 +23,7 @@ use delay::Delay;
use attention::Attention;
use message_correct::Replace;
use eme::ExplicitMessageEncryption;
use stanza_id::StanzaId;
use stanza_id::{StanzaId, OriginId};
use mam::Result_ as MamResult;
/// Lists every known payload of a `<message/>`.
@ -37,6 +37,7 @@ pub enum MessagePayload {
MessageCorrect(Replace),
ExplicitMessageEncryption(ExplicitMessageEncryption),
StanzaId(StanzaId),
OriginId(OriginId),
MamResult(MamResult),
Unknown(Element),
@ -73,8 +74,8 @@ impl TryFrom<Element> for MessagePayload {
("result", ns::MAM) => MessagePayload::MamResult(MamResult::try_from(elem)?),
// XEP-0359
("stanza-id", ns::SID)
| ("origin-id", ns::SID) => MessagePayload::StanzaId(StanzaId::try_from(elem)?),
("stanza-id", ns::SID) => MessagePayload::StanzaId(StanzaId::try_from(elem)?),
("origin-id", ns::SID) => MessagePayload::OriginId(OriginId::try_from(elem)?),
// XEP-0380
("encryption", ns::EME) => MessagePayload::ExplicitMessageEncryption(ExplicitMessageEncryption::try_from(elem)?),
@ -95,6 +96,7 @@ impl From<MessagePayload> for Element {
MessagePayload::MessageCorrect(replace) => replace.into(),
MessagePayload::ExplicitMessageEncryption(eme) => eme.into(),
MessagePayload::StanzaId(stanza_id) => stanza_id.into(),
MessagePayload::OriginId(origin_id) => origin_id.into(),
MessagePayload::MamResult(result) => result.into(),
MessagePayload::Unknown(elem) => elem,

95
src/stanza_id.rs
View file

@ -14,54 +14,65 @@ use error::Error;
use ns;
#[derive(Debug, Clone)]
pub enum StanzaId {
StanzaId {
id: String,
by: Jid,
},
OriginId {
id: String,
},
pub struct StanzaId {
pub id: String,
pub by: Jid,
}
impl TryFrom<Element> for StanzaId {
type Err = Error;
fn try_from(elem: Element) -> Result<StanzaId, Error> {
let is_stanza_id = elem.is("stanza-id", ns::SID);
if !is_stanza_id && !elem.is("origin-id", ns::SID) {
return Err(Error::ParseError("This is not a stanza-id or origin-id element."));
if !elem.is("stanza-id", ns::SID) {
return Err(Error::ParseError("This is not a stanza-id element."));
}
for _ in elem.children() {
return Err(Error::ParseError("Unknown child in stanza-id or origin-id element."));
return Err(Error::ParseError("Unknown child in stanza-id element."));
}
let id = get_attr!(elem, "id", required);
Ok(if is_stanza_id {
let by = get_attr!(elem, "by", required);
StanzaId::StanzaId { id, by }
} else {
StanzaId::OriginId { id }
Ok(StanzaId {
id: get_attr!(elem, "id", required),
by: get_attr!(elem, "by", required),
})
}
}
impl From<StanzaId> for Element {
fn from(stanza_id: StanzaId) -> Element {
match stanza_id {
StanzaId::StanzaId { id, by } => {
Element::builder("stanza-id")
.ns(ns::SID)
.attr("id", id)
.attr("by", String::from(by))
.build()
},
StanzaId::OriginId { id } => {
Element::builder("origin-id")
.ns(ns::SID)
.attr("id", id)
.build()
},
Element::builder("stanza-id")
.ns(ns::SID)
.attr("id", stanza_id.id)
.attr("by", String::from(stanza_id.by))
.build()
}
}
#[derive(Debug, Clone)]
pub struct OriginId {
pub id: String,
}
impl TryFrom<Element> for OriginId {
type Err = Error;
fn try_from(elem: Element) -> Result<OriginId, Error> {
if !elem.is("origin-id", ns::SID) {
return Err(Error::ParseError("This is not an origin-id element."));
}
for _ in elem.children() {
return Err(Error::ParseError("Unknown child in origin-id element."));
}
Ok(OriginId {
id: get_attr!(elem, "id", required),
})
}
}
impl From<OriginId> for Element {
fn from(origin_id: OriginId) -> Element {
Element::builder("origin-id")
.ns(ns::SID)
.attr("id", origin_id.id)
.build()
}
}
@ -74,20 +85,12 @@ mod tests {
fn test_simple() {
let elem: Element = "<stanza-id xmlns='urn:xmpp:sid:0' id='coucou' by='coucou@coucou'/>".parse().unwrap();
let stanza_id = StanzaId::try_from(elem).unwrap();
if let StanzaId::StanzaId { id, by } = stanza_id {
assert_eq!(id, String::from("coucou"));
assert_eq!(by, Jid::from_str("coucou@coucou").unwrap());
} else {
panic!();
}
assert_eq!(stanza_id.id, String::from("coucou"));
assert_eq!(stanza_id.by, Jid::from_str("coucou@coucou").unwrap());
let elem: Element = "<origin-id xmlns='urn:xmpp:sid:0' id='coucou'/>".parse().unwrap();
let stanza_id = StanzaId::try_from(elem).unwrap();
if let StanzaId::OriginId { id } = stanza_id {
assert_eq!(id, String::from("coucou"));
} else {
panic!();
}
let origin_id = OriginId::try_from(elem).unwrap();
assert_eq!(origin_id.id, String::from("coucou"));
}
#[test]
@ -98,7 +101,7 @@ mod tests {
Error::ParseError(string) => string,
_ => panic!(),
};
assert_eq!(message, "Unknown child in stanza-id or origin-id element.");
assert_eq!(message, "Unknown child in stanza-id element.");
}
#[test]
@ -126,7 +129,7 @@ mod tests {
#[test]
fn test_serialise() {
let elem: Element = "<stanza-id xmlns='urn:xmpp:sid:0' id='coucou' by='coucou@coucou'/>".parse().unwrap();
let stanza_id = StanzaId::StanzaId { id: String::from("coucou"), by: Jid::from_str("coucou@coucou").unwrap() };
let stanza_id = StanzaId { id: String::from("coucou"), by: Jid::from_str("coucou@coucou").unwrap() };
let elem2 = stanza_id.into();
assert_eq!(elem, elem2);
}