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// https://datatracker.ietf.org/doc/html/rfc6120#appendix-A.8
use peanuts::{
element::{FromElement, IntoElement},
Element, XML_NS,
};
use thiserror::Error;
pub const XMLNS: &str = "urn:ietf:params:xml:ns:xmpp-stanzas";
#[derive(Error, Clone, Debug)]
pub enum Error {
#[error("bad request")]
BadRequest,
#[error("conflict")]
Conflict,
#[error("feature not implemented")]
FeatureNotImplemented,
#[error("forbidden")]
Forbidden,
#[error("gone: {0:?}")]
Gone(Option<String>),
#[error("internal server error")]
InternalServerError,
#[error("item not found")]
ItemNotFound,
#[error("JID malformed")]
JIDMalformed,
#[error("not acceptable")]
NotAcceptable,
#[error("not allowed")]
NotAllowed,
#[error("not authorized")]
NotAuthorized,
#[error("policy violation")]
PolicyViolation,
#[error("recipient unavailable")]
RecipientUnavailable,
#[error("redirect: {0:?}")]
Redirect(Option<String>),
#[error("registration required")]
RegistrationRequired,
#[error("remote server not found")]
RemoteServerNotFound,
#[error("remote server timeout")]
RemoteServerTimeout,
#[error("resource constraint")]
ResourceConstraint,
#[error("service unavailable")]
ServiceUnavailable,
#[error("subscription required")]
SubscriptionRequired,
#[error("undefined condition")]
UndefinedCondition,
#[error("unexpected request")]
UnexpectedRequest,
}
impl FromElement for Error {
fn from_element(mut element: peanuts::Element) -> peanuts::element::DeserializeResult<Self> {
let error;
match element.identify() {
(Some(XMLNS), "bad-request") => error = Error::BadRequest,
(Some(XMLNS), "conflict") => error = Error::Conflict,
(Some(XMLNS), "feature-not-implemented") => error = Error::FeatureNotImplemented,
(Some(XMLNS), "forbidden") => error = Error::Forbidden,
(Some(XMLNS), "gone") => return Ok(Error::Gone(element.pop_value_opt()?)),
(Some(XMLNS), "internal-server-error") => error = Error::InternalServerError,
(Some(XMLNS), "item-not-found") => error = Error::ItemNotFound,
(Some(XMLNS), "jid-malformed") => error = Error::JIDMalformed,
(Some(XMLNS), "not-acceptable") => error = Error::NotAcceptable,
(Some(XMLNS), "not-allowed") => error = Error::NotAllowed,
(Some(XMLNS), "not-authorized") => error = Error::NotAuthorized,
(Some(XMLNS), "policy-violation") => error = Error::PolicyViolation,
(Some(XMLNS), "recipient-unavailable") => error = Error::RecipientUnavailable,
(Some(XMLNS), "redirect") => return Ok(Error::Redirect(element.pop_value_opt()?)),
(Some(XMLNS), "registration-required") => error = Error::RegistrationRequired,
(Some(XMLNS), "remote-server-not-found") => error = Error::RemoteServerNotFound,
(Some(XMLNS), "remote-server-timeout") => error = Error::RemoteServerTimeout,
(Some(XMLNS), "resource-constraint") => error = Error::ResourceConstraint,
(Some(XMLNS), "service-unavailable") => error = Error::ServiceUnavailable,
(Some(XMLNS), "subscription-required") => error = Error::SubscriptionRequired,
(Some(XMLNS), "undefined-condition") => error = Error::UndefinedCondition,
(Some(XMLNS), "unexpected-request") => error = Error::UnexpectedRequest,
_ => return Err(peanuts::DeserializeError::UnexpectedElement(element)),
}
element.no_more_content()?;
return Ok(error);
}
}
impl IntoElement for Error {
fn builder(&self) -> peanuts::element::ElementBuilder {
match self {
Error::BadRequest => Element::builder("bad-request", Some(XMLNS)),
Error::Conflict => Element::builder("conflict", Some(XMLNS)),
Error::FeatureNotImplemented => {
Element::builder("feature-not-implemented", Some(XMLNS))
}
Error::Forbidden => Element::builder("forbidden", Some(XMLNS)),
Error::Gone(r) => Element::builder("gone", Some(XMLNS)).push_text_opt(r.clone()),
Error::InternalServerError => Element::builder("internal-server-error", Some(XMLNS)),
Error::ItemNotFound => Element::builder("item-not-found", Some(XMLNS)),
Error::JIDMalformed => Element::builder("jid-malformed", Some(XMLNS)),
Error::NotAcceptable => Element::builder("not-acceptable", Some(XMLNS)),
Error::NotAllowed => Element::builder("not-allowed", Some(XMLNS)),
Error::NotAuthorized => Element::builder("not-authorized", Some(XMLNS)),
Error::PolicyViolation => Element::builder("policy-violation", Some(XMLNS)),
Error::RecipientUnavailable => Element::builder("recipient-unavailable", Some(XMLNS)),
Error::Redirect(r) => {
Element::builder("redirect", Some(XMLNS)).push_text_opt(r.clone())
}
Error::RegistrationRequired => Element::builder("registration-required", Some(XMLNS)),
Error::RemoteServerNotFound => Element::builder("remote-server-not-found", Some(XMLNS)),
Error::RemoteServerTimeout => Element::builder("remote-server-timeout", Some(XMLNS)),
Error::ResourceConstraint => Element::builder("resource-constraint", Some(XMLNS)),
Error::ServiceUnavailable => Element::builder("service-unavailable", Some(XMLNS)),
Error::SubscriptionRequired => Element::builder("subscription-required", Some(XMLNS)),
Error::UndefinedCondition => Element::builder("undefined-condition", Some(XMLNS)),
Error::UnexpectedRequest => Element::builder("unexpected-request", Some(XMLNS)),
}
}
}
#[derive(Clone, Debug)]
pub struct Text {
lang: Option<String>,
pub text: Option<String>,
}
impl FromElement for Text {
fn from_element(mut element: peanuts::Element) -> peanuts::element::DeserializeResult<Self> {
element.check_name("text")?;
element.check_name(XMLNS)?;
let lang = element.attribute_opt_namespaced("lang", XML_NS)?;
let text = element.pop_value_opt()?;
Ok(Text { lang, text })
}
}
impl IntoElement for Text {
fn builder(&self) -> peanuts::element::ElementBuilder {
Element::builder("text", Some(XMLNS))
.push_attribute_opt_namespaced(XML_NS, "lang", self.lang.clone())
.push_text_opt(self.text.clone())
}
}
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