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https://github.com/servo/servo.git
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Compute attribute name atoms at compile-time.
This commit is contained in:
Eli Friedman
parent
3720e4d5ef
commit
c02c0576c8
28 changed files with 152 additions and 187 deletions
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@ -4,84 +4,63 @@
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#[macro_export]
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macro_rules! make_getter(
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( $attr:ident, $htmlname:expr ) => (
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( $attr:ident, $htmlname:tt ) => (
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fn $attr(&self) -> DOMString {
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use dom::bindings::inheritance::Castable;
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use dom::element::Element;
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use string_cache::Atom;
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let element = self.upcast::<Element>();
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element.get_string_attribute(&Atom::from($htmlname))
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element.get_string_attribute(&atom!($htmlname))
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}
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);
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($attr:ident) => {
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make_getter!($attr, to_lower!(stringify!($attr)));
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}
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);
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#[macro_export]
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macro_rules! make_bool_getter(
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( $attr:ident, $htmlname:expr ) => (
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( $attr:ident, $htmlname:tt ) => (
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fn $attr(&self) -> bool {
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use dom::bindings::inheritance::Castable;
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use dom::element::Element;
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use string_cache::Atom;
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let element = self.upcast::<Element>();
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// FIXME(pcwalton): Do this at compile time, not runtime.
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element.has_attribute(&Atom::from($htmlname))
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element.has_attribute(&atom!($htmlname))
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}
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);
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($attr:ident) => {
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make_bool_getter!($attr, to_lower!(stringify!($attr)));
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}
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);
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#[macro_export]
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macro_rules! make_uint_getter(
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($attr:ident, $htmlname:expr, $default:expr) => (
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($attr:ident, $htmlname:tt, $default:expr) => (
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fn $attr(&self) -> u32 {
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use dom::bindings::inheritance::Castable;
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use dom::element::Element;
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use string_cache::Atom;
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let element = self.upcast::<Element>();
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// FIXME(pcwalton): Do this at compile time, not runtime.
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element.get_uint_attribute(&Atom::from($htmlname), $default)
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element.get_uint_attribute(&atom!($htmlname), $default)
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}
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);
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($attr:ident, $htmlname:expr) => {
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($attr:ident, $htmlname:tt) => {
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make_uint_getter!($attr, $htmlname, 0);
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};
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($attr:ident) => {
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make_uint_getter!($attr, to_lower!(stringify!($attr)));
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}
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);
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#[macro_export]
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macro_rules! make_url_getter(
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( $attr:ident, $htmlname:expr ) => (
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( $attr:ident, $htmlname:tt ) => (
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fn $attr(&self) -> DOMString {
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use dom::bindings::inheritance::Castable;
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use dom::element::Element;
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use string_cache::Atom;
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let element = self.upcast::<Element>();
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// FIXME(pcwalton): Do this at compile time, not runtime.
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element.get_url_attribute(&Atom::from($htmlname))
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element.get_url_attribute(&atom!($htmlname))
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}
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);
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($attr:ident) => {
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// FIXME(pcwalton): Do this at compile time, not runtime.
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make_url_getter!($attr, to_lower!(stringify!($attr)));
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}
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);
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#[macro_export]
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macro_rules! make_url_or_base_getter(
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( $attr:ident, $htmlname:expr ) => (
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( $attr:ident, $htmlname:tt ) => (
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fn $attr(&self) -> DOMString {
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use dom::bindings::inheritance::Castable;
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use dom::element::Element;
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use string_cache::Atom;
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let element = self.upcast::<Element>();
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let url = element.get_url_attribute(&Atom::from($htmlname));
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let url = element.get_url_attribute(&atom!($htmlname));
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if url.is_empty() {
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let window = window_from_node(self);
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DOMString::from(window.get_url().serialize())
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@ -90,21 +69,17 @@ macro_rules! make_url_or_base_getter(
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}
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}
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);
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($attr:ident) => {
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make_url_or_base_getter!($attr, to_lower!(stringify!($attr)));
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}
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);
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#[macro_export]
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macro_rules! make_enumerated_getter(
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( $attr:ident, $htmlname:expr, $default:expr, $(($choices: pat))|+) => (
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( $attr:ident, $htmlname:tt, $default:expr, $(($choices: pat))|+) => (
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fn $attr(&self) -> DOMString {
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use dom::bindings::inheritance::Castable;
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use dom::element::Element;
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use std::ascii::AsciiExt;
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use string_cache::Atom;
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let element = self.upcast::<Element>();
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let mut val = element.get_string_attribute(&Atom::from(*$htmlname));
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let mut val = element.get_string_attribute(&atom!($htmlname));
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val.make_ascii_lowercase();
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// https://html.spec.whatwg.org/multipage/#attr-fs-method
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match &*val {
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@ -113,72 +88,62 @@ macro_rules! make_enumerated_getter(
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}
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}
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);
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($attr:ident, $default:expr, $(($choices: pat))|+) => {
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make_enumerated_getter!($attr, &to_lower!(stringify!($attr)), $default, $(($choices))|+);
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}
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);
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// concat_idents! doesn't work for function name positions, so
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// we have to specify both the content name and the HTML name here
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#[macro_export]
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macro_rules! make_setter(
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( $attr:ident, $htmlname:expr ) => (
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( $attr:ident, $htmlname:tt ) => (
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fn $attr(&self, value: DOMString) {
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use dom::bindings::inheritance::Castable;
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use dom::element::Element;
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use string_cache::Atom;
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let element = self.upcast::<Element>();
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// FIXME(pcwalton): Do this at compile time, not at runtime.
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element.set_string_attribute(&Atom::from($htmlname), value)
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element.set_string_attribute(&atom!($htmlname), value)
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}
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);
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);
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#[macro_export]
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macro_rules! make_bool_setter(
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( $attr:ident, $htmlname:expr ) => (
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( $attr:ident, $htmlname:tt ) => (
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fn $attr(&self, value: bool) {
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use dom::bindings::inheritance::Castable;
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use dom::element::Element;
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use string_cache::Atom;
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let element = self.upcast::<Element>();
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// FIXME(pcwalton): Do this at compile time, not at runtime.
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element.set_bool_attribute(&Atom::from($htmlname), value)
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element.set_bool_attribute(&atom!($htmlname), value)
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}
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);
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);
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#[macro_export]
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macro_rules! make_uint_setter(
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($attr:ident, $htmlname:expr, $default:expr) => (
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($attr:ident, $htmlname:tt, $default:expr) => (
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fn $attr(&self, value: u32) {
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use dom::bindings::inheritance::Castable;
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use dom::element::Element;
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use dom::values::UNSIGNED_LONG_MAX;
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use string_cache::Atom;
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let value = if value > UNSIGNED_LONG_MAX {
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$default
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} else {
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value
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};
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let element = self.upcast::<Element>();
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// FIXME(pcwalton): Do this at compile time, not at runtime.
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element.set_uint_attribute(&Atom::from($htmlname), value)
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element.set_uint_attribute(&atom!($htmlname), value)
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}
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);
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($attr:ident, $htmlname:expr) => {
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($attr:ident, $htmlname:tt) => {
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make_uint_setter!($attr, $htmlname, 0);
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};
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);
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#[macro_export]
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macro_rules! make_limited_uint_setter(
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($attr:ident, $htmlname:expr, $default:expr) => (
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($attr:ident, $htmlname:tt, $default:expr) => (
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fn $attr(&self, value: u32) -> $crate::dom::bindings::error::ErrorResult {
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use dom::bindings::inheritance::Castable;
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use dom::element::Element;
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use dom::values::UNSIGNED_LONG_MAX;
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use string_cache::Atom;
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let value = if value == 0 {
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return Err($crate::dom::bindings::error::Error::IndexSize);
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} else if value > UNSIGNED_LONG_MAX {
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@ -187,60 +152,50 @@ macro_rules! make_limited_uint_setter(
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value
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};
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let element = self.upcast::<Element>();
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// FIXME(pcwalton): Do this at compile time, not runtime.
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element.set_uint_attribute(&Atom::from($htmlname), value);
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element.set_uint_attribute(&atom!($htmlname), value);
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Ok(())
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}
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);
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($attr:ident, $htmlname:expr) => {
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($attr:ident, $htmlname:tt) => {
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make_limited_uint_setter!($attr, $htmlname, 1);
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};
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($attr:ident) => {
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make_limited_uint_setter!($attr, to_lower!(stringify!($attr)));
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};
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);
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#[macro_export]
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macro_rules! make_atomic_setter(
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( $attr:ident, $htmlname:expr ) => (
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( $attr:ident, $htmlname:tt ) => (
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fn $attr(&self, value: DOMString) {
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use dom::bindings::inheritance::Castable;
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use dom::element::Element;
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use string_cache::Atom;
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let element = self.upcast::<Element>();
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// FIXME(pcwalton): Do this at compile time, not at runtime.
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element.set_atomic_attribute(&Atom::from($htmlname), value)
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element.set_atomic_attribute(&atom!($htmlname), value)
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}
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);
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);
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#[macro_export]
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macro_rules! make_legacy_color_setter(
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( $attr:ident, $htmlname:expr ) => (
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( $attr:ident, $htmlname:tt ) => (
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fn $attr(&self, value: DOMString) {
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use dom::attr::AttrValue;
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use dom::bindings::inheritance::Castable;
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use dom::element::Element;
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use string_cache::Atom;
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let element = self.upcast::<Element>();
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let value = AttrValue::from_legacy_color(value);
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// FIXME(pcwalton): Do this at compile time, not at runtime.
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element.set_attribute(&Atom::from($htmlname), value)
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element.set_attribute(&atom!($htmlname), value)
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}
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);
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);
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#[macro_export]
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macro_rules! make_dimension_setter(
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( $attr:ident, $htmlname:expr ) => (
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( $attr:ident, $htmlname:tt ) => (
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fn $attr(&self, value: DOMString) {
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use dom::bindings::inheritance::Castable;
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use dom::element::Element;
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use string_cache::Atom;
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let element = self.upcast::<Element>();
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let value = AttrValue::from_dimension(value);
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// FIXME(pcwalton): Do this at compile time, not at runtime.
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element.set_attribute(&Atom::from($htmlname), value)
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element.set_attribute(&atom!($htmlname), value)
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}
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);
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);
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