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Add a new check_no_attributes macro, to avoid the empty list.

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This commit is contained in:
Emmanuel Gil Peyrot 2017-10-31 15:47:38 +00:00
parent 1892e1ca04
commit f85b451fcf
4 changed files with 13 additions and 7 deletions
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2
src/chatstates.rs
View file

@ -40,7 +40,7 @@ impl TryFrom<Element> for ChatState {
fn try_from(elem: Element) -> Result<ChatState, Error> {
check_ns_only!(elem, "chatstate", ns::CHATSTATES);
check_no_children!(elem, "chatstate");
check_no_unknown_attributes!(elem, "chatstate", []);
check_no_attributes!(elem, "chatstate");
Ok(match elem.name() {
"active" => ChatState::Active,
"composing" => ChatState::Composing,

8
src/data_forms.rs
View file

@ -105,14 +105,14 @@ impl TryFrom<Element> for Field {
for element in elem.children() {
if element.is("value", ns::DATA_FORMS) {
check_no_children!(element, "value");
check_no_unknown_attributes!(element, "value", []);
check_no_attributes!(element, "value");
field.values.push(element.text());
} else if element.is("required", ns::DATA_FORMS) {
if field.required {
return Err(Error::ParseError("More than one required element."));
}
check_no_children!(element, "required");
check_no_unknown_attributes!(element, "required", []);
check_no_attributes!(element, "required");
field.required = true;
} else if element.is("option", ns::DATA_FORMS) {
if !field.is_list() {
@ -184,14 +184,14 @@ impl TryFrom<Element> for DataForm {
return Err(Error::ParseError("More than one title in form element."));
}
check_no_children!(child, "title");
check_no_unknown_attributes!(child, "title", []);
check_no_attributes!(child, "title");
form.title = Some(child.text());
} else if child.is("instructions", ns::DATA_FORMS) {
if form.instructions.is_some() {
return Err(Error::ParseError("More than one instructions in form element."));
}
check_no_children!(child, "instructions");
check_no_unknown_attributes!(child, "instructions", []);
check_no_attributes!(child, "instructions");
form.instructions = Some(child.text());
} else if child.is("field", ns::DATA_FORMS) {
let field = Field::try_from(child.clone())?;

8
src/lib.rs
View file

@ -154,6 +154,12 @@ macro_rules! check_no_children {
);
}
macro_rules! check_no_attributes {
($elem:ident, $name:tt) => (
check_no_unknown_attributes!($elem, $name, []);
);
}
macro_rules! check_no_unknown_attributes {
($elem:ident, $name:tt, [$($attr:tt),*]) => (
for (_attr, _) in $elem.attrs() {
@ -182,7 +188,7 @@ macro_rules! generate_empty_element {
fn try_from(elem: Element) -> Result<$elem, Error> {
check_self!(elem, $name, $ns);
check_no_children!(elem, $name);
check_no_unknown_attributes!(elem, $name, []);
check_no_attributes!(elem, $name);
Ok($elem)
}
}

2
src/pubsub/event.rs
View file

@ -143,7 +143,7 @@ impl TryFrom<Element> for PubSubEvent {
fn try_from(elem: Element) -> Result<PubSubEvent, Error> {
check_self!(elem, "event", ns::PUBSUB_EVENT);
check_no_unknown_attributes!(elem, "event", []);
check_no_attributes!(elem, "event");
let mut payload = None;
for child in elem.children() {