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use peanuts::{
element::{FromElement, IntoElement},
DeserializeError, Element, XML_NS,
};
use thiserror::Error;
pub const XMLNS: &str = "urn:ietf:params:xml:ns:xmpp-streams";
#[derive(Error, Clone, Debug)]
pub enum Error {
#[error("bad format")]
BadFormat,
#[error("bad namespace prefix")]
BadNamespacePrefix,
#[error("conflict")]
Conflict,
#[error("connection timeout")]
ConnectionTimeout,
#[error("host gone")]
HostGone,
#[error("host unknown")]
HostUnknown,
#[error("improper addressing")]
ImproperAddressing,
#[error("internal server error")]
InternalServerError,
#[error("invalid from")]
InvalidFrom,
#[error("invalid id")]
InvalidId,
#[error("invalid namespace")]
InvalidNamespace,
#[error("invalid xml")]
InvalidXml,
#[error("not authorized")]
NotAuthorized,
#[error("not well formed")]
NotWellFormed,
#[error("policy violation")]
PolicyViolation,
#[error("remote connection failed")]
RemoteConnectionFailed,
#[error("reset")]
Reset,
#[error("resource constraint")]
ResourceConstraint,
#[error("restricted xml")]
RestrictedXml,
#[error("see other host: {0:?}")]
SeeOtherHost(Option<String>),
#[error("system shutdown")]
SystemShutdown,
#[error("undefined condition")]
UndefinedCondition,
#[error("unsupported encoding")]
UnsupportedEncoding,
#[error("unsupported stanza type")]
UnsupportedStanzaType,
#[error("unsupported version")]
UnsupportedVersion,
}
impl FromElement for Error {
fn from_element(mut element: peanuts::Element) -> peanuts::element::DeserializeResult<Self> {
let error;
match element.identify() {
(Some(XMLNS), "bad-format") => error = Error::BadFormat,
(Some(XMLNS), "bad-namespace-prefix") => error = Error::BadNamespacePrefix,
(Some(XMLNS), "conflict") => error = Error::Conflict,
(Some(XMLNS), "connection-timeout") => error = Error::ConnectionTimeout,
(Some(XMLNS), "host-gone") => error = Error::HostGone,
(Some(XMLNS), "host-unknown") => error = Error::HostUnknown,
(Some(XMLNS), "improper-addressing") => error = Error::ImproperAddressing,
(Some(XMLNS), "internal-server-error") => error = Error::InternalServerError,
(Some(XMLNS), "invalid-from") => error = Error::InvalidFrom,
(Some(XMLNS), "invalid-id") => error = Error::InvalidId,
(Some(XMLNS), "invalid-namespace") => error = Error::InvalidNamespace,
(Some(XMLNS), "invalid-xml") => error = Error::InvalidXml,
(Some(XMLNS), "not-authorized") => error = Error::NotAuthorized,
(Some(XMLNS), "not-well-formed") => error = Error::NotWellFormed,
(Some(XMLNS), "policy-violation") => error = Error::PolicyViolation,
(Some(XMLNS), "remote-connection-failed") => error = Error::RemoteConnectionFailed,
(Some(XMLNS), "reset") => error = Error::Reset,
(Some(XMLNS), "resource-constraint") => error = Error::ResourceConstraint,
(Some(XMLNS), "restricted-xml") => error = Error::RestrictedXml,
(Some(XMLNS), "see-other-host") => {
return Ok(Error::SeeOtherHost(element.pop_value_opt()?))
}
(Some(XMLNS), "system-shutdown") => error = Error::SystemShutdown,
(Some(XMLNS), "undefined-condition") => error = Error::UndefinedCondition,
(Some(XMLNS), "unsupported-encoding") => error = Error::UnsupportedEncoding,
(Some(XMLNS), "unsupported-stanza-type") => error = Error::UnsupportedStanzaType,
(Some(XMLNS), "unsupported-version") => error = Error::UnsupportedVersion,
_ => return Err(DeserializeError::UnexpectedElement(element)),
}
element.no_more_content()?;
return Ok(error);
}
}
impl IntoElement for Error {
fn builder(&self) -> peanuts::element::ElementBuilder {
match self {
Error::BadFormat => Element::builder("bad-format", Some(XMLNS)),
Error::BadNamespacePrefix => Element::builder("bad-namespace-prefix", Some(XMLNS)),
Error::Conflict => Element::builder("conflict", Some(XMLNS)),
Error::ConnectionTimeout => Element::builder("connection-timeout", Some(XMLNS)),
Error::HostGone => Element::builder("host-gone", Some(XMLNS)),
Error::HostUnknown => Element::builder("host-unknown", Some(XMLNS)),
Error::ImproperAddressing => Element::builder("improper-addressing", Some(XMLNS)),
Error::InternalServerError => Element::builder("internal-server-error", Some(XMLNS)),
Error::InvalidFrom => Element::builder("invalid-from", Some(XMLNS)),
Error::InvalidId => Element::builder("invalid-id", Some(XMLNS)),
Error::InvalidNamespace => Element::builder("invalid-namespace", Some(XMLNS)),
Error::InvalidXml => Element::builder("invalid-xml", Some(XMLNS)),
Error::NotAuthorized => Element::builder("not-authorized", Some(XMLNS)),
Error::NotWellFormed => Element::builder("not-well-formed", Some(XMLNS)),
Error::PolicyViolation => Element::builder("policy-violation", Some(XMLNS)),
Error::RemoteConnectionFailed => {
Element::builder("remote-connection-failed", Some(XMLNS))
}
Error::Reset => Element::builder("reset", Some(XMLNS)),
Error::ResourceConstraint => Element::builder("resource-constraint", Some(XMLNS)),
Error::RestrictedXml => Element::builder("restricted-xml", Some(XMLNS)),
Error::SeeOtherHost(h) => {
Element::builder("see-other-host", Some(XMLNS)).push_text_opt(h.clone())
}
Error::SystemShutdown => Element::builder("system-shutdown", Some(XMLNS)),
Error::UndefinedCondition => Element::builder("undefined-condition", Some(XMLNS)),
Error::UnsupportedEncoding => Element::builder("unsupported-encoding", Some(XMLNS)),
Error::UnsupportedStanzaType => {
Element::builder("unsupported-stanza-type", Some(XMLNS))
}
Error::UnsupportedVersion => Element::builder("unsupported-version", Some(XMLNS)),
}
}
}
#[derive(Clone, Debug)]
pub struct Text {
text: Option<String>,
lang: 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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