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stanza_error: Use a mutable struct first.

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This commit is contained in:
Emmanuel Gil Peyrot 2019-02-28 02:54:13 +01:00
parent fb4a3dcba8
commit a62b184d54
1 changed files with 12 additions and 15 deletions
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27
src/stanza_error.rs
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@ -242,18 +242,21 @@ impl TryFrom<Element> for StanzaError {
check_self!(elem, "error", DEFAULT_NS);
check_no_unknown_attributes!(elem, "error", ["type", "by"]);
let type_ = get_attr!(elem, "type", Required);
let by = get_attr!(elem, "by", Option);
let mut stanza_error = StanzaError {
type_: get_attr!(elem, "type", Required),
by: get_attr!(elem, "by", Option),
defined_condition: DefinedCondition::UndefinedCondition,
texts: BTreeMap::new(),
other: None,
};
let mut defined_condition = None;
let mut texts = BTreeMap::new();
let mut other = None;
for child in elem.children() {
if child.is("text", ns::XMPP_STANZAS) {
check_no_children!(child, "text");
check_no_unknown_attributes!(child, "text", ["xml:lang"]);
let lang = get_attr!(elem, "xml:lang", Default);
if texts.insert(lang, child.text()).is_some() {
if stanza_error.texts.insert(lang, child.text()).is_some() {
return Err(Error::ParseError(
"Text element present twice for the same xml:lang.",
));
@ -269,24 +272,18 @@ impl TryFrom<Element> for StanzaError {
let condition = DefinedCondition::try_from(child.clone())?;
defined_condition = Some(condition);
} else {
if other.is_some() {
if stanza_error.other.is_some() {
return Err(Error::ParseError(
"Error must not have more than one other element.",
));
}
other = Some(child.clone());
stanza_error.other = Some(child.clone());
}
}
let defined_condition =
stanza_error.defined_condition =
defined_condition.ok_or(Error::ParseError("Error must have a defined-condition."))?;
Ok(StanzaError {
type_,
by,
defined_condition,
texts,
other,
})
Ok(stanza_error)
}
}