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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
use js::jsapi::{JSContext, JSBool};
use js::jsapi::{JS_IsExceptionPending};
use js::glue::{ReportError};
#[deriving(Show)]
pub enum Error {
FailureUnknown,
NotFound,
HierarchyRequest,
InvalidCharacter,
NotSupported,
InvalidState,
NamespaceError
}
pub type Fallible<T> = Result<T, Error>;
pub type ErrorResult = Fallible<()>;
pub fn throw_method_failed_with_details<T>(cx: *JSContext,
result: Result<T, Error>,
interface: &'static str,
member: &'static str) -> JSBool {
assert!(result.is_err());
assert!(unsafe { JS_IsExceptionPending(cx) } == 0);
let message = format!("Method failed: {}.{}", interface, member);
message.with_c_str(|string| {
unsafe { ReportError(cx, string) };
});
return 0;
}
pub fn throw_not_in_union(cx: *JSContext, names: &'static str) -> JSBool {
assert!(unsafe { JS_IsExceptionPending(cx) } == 0);
let message = format!("argument could not be converted to any of: {}", names);
message.with_c_str(|string| {
unsafe { ReportError(cx, string) };
});
return 0;
}
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