diff options
Diffstat (limited to 'components/script/dom')
| -rw-r--r-- | components/script/dom/bindings/codegen/CodegenRust.py | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/components/script/dom/bindings/codegen/CodegenRust.py b/components/script/dom/bindings/codegen/CodegenRust.py index 96947d83ec7..a9642250770 100644 --- a/components/script/dom/bindings/codegen/CodegenRust.py +++ b/components/script/dom/bindings/codegen/CodegenRust.py @@ -4347,8 +4347,12 @@ pub enum %s { pairs = ",\n ".join(['("%s", super::%s::%s)' % (val, ident, getEnumValueName(val)) for val in enum.values()]) inner = string.Template("""\ +use crate::dom::bindings::conversions::ConversionResult; +use crate::dom::bindings::conversions::FromJSValConvertible; use crate::dom::bindings::conversions::ToJSValConvertible; +use crate::dom::bindings::utils::find_enum_value; use js::jsapi::JSContext; +use js::rust::HandleValue; use js::rust::MutableHandleValue; use js::jsval::JSVal; @@ -4373,6 +4377,22 @@ impl ToJSValConvertible for super::${ident} { pairs[*self as usize].0.to_jsval(cx, rval); } } + +impl FromJSValConvertible for super::${ident} { + type Config = (); + unsafe fn from_jsval(cx: *mut JSContext, value: HandleValue, _option: ()) + -> Result<ConversionResult<super::${ident}>, ()> { + match find_enum_value(cx, value, pairs) { + Err(_) => Err(()), + Ok((None, search)) => { + Ok(ConversionResult::Failure( + format!("'{}' is not a valid enum value for enumeration '${ident}'.", search).into() + )) + } + Ok((Some(&value), _)) => Ok(ConversionResult::Success(value)), + } + } +} """).substitute({ 'ident': ident, 'pairs': pairs |