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-rw-r--r--components/script/dom/bindings/mozmap.rs135
1 files changed, 0 insertions, 135 deletions
diff --git a/components/script/dom/bindings/mozmap.rs b/components/script/dom/bindings/mozmap.rs
deleted file mode 100644
index f5961e5bdda..00000000000
--- a/components/script/dom/bindings/mozmap.rs
+++ /dev/null
@@ -1,135 +0,0 @@
-/* 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 https://mozilla.org/MPL/2.0/. */
-
-//! The `MozMap` (open-ended dictionary) type.
-
-use crate::dom::bindings::conversions::jsid_to_string;
-use crate::dom::bindings::error::report_pending_exception;
-use crate::dom::bindings::str::DOMString;
-use indexmap::IndexMap;
-use js::conversions::{ConversionResult, FromJSValConvertible, ToJSValConvertible};
-use js::jsapi::JSContext;
-use js::jsapi::JS_NewPlainObject;
-use js::jsapi::JSITER_HIDDEN;
-use js::jsapi::JSITER_OWNONLY;
-use js::jsapi::JSITER_SYMBOLS;
-use js::jsapi::JSPROP_ENUMERATE;
-use js::jsval::ObjectValue;
-use js::jsval::UndefinedValue;
-use js::rust::wrappers::GetPropertyKeys;
-use js::rust::wrappers::JS_DefineUCProperty2;
-use js::rust::wrappers::JS_GetPropertyById;
-use js::rust::HandleValue;
-use js::rust::IdVector;
-use js::rust::MutableHandleValue;
-use std::ops::Deref;
-
-/// The `MozMap` (open-ended dictionary) type.
-#[derive(Clone, JSTraceable)]
-pub struct MozMap<T> {
- map: IndexMap<DOMString, T>,
-}
-
-impl<T> MozMap<T> {
- /// Create an empty `MozMap`.
- pub fn new() -> Self {
- MozMap {
- map: IndexMap::new(),
- }
- }
-}
-
-impl<T> Deref for MozMap<T> {
- type Target = IndexMap<DOMString, T>;
-
- fn deref(&self) -> &IndexMap<DOMString, T> {
- &self.map
- }
-}
-
-impl<T, C> FromJSValConvertible for MozMap<T>
-where
- T: FromJSValConvertible<Config = C>,
- C: Clone,
-{
- type Config = C;
- unsafe fn from_jsval(
- cx: *mut JSContext,
- value: HandleValue,
- config: C,
- ) -> Result<ConversionResult<Self>, ()> {
- if !value.is_object() {
- return Ok(ConversionResult::Failure(
- "MozMap value was not an object".into(),
- ));
- }
-
- rooted!(in(cx) let object = value.to_object());
- let ids = IdVector::new(cx);
- if !GetPropertyKeys(
- cx,
- object.handle(),
- JSITER_OWNONLY | JSITER_HIDDEN | JSITER_SYMBOLS,
- ids.get(),
- ) {
- // TODO: can GetPropertyKeys fail?
- // (it does so if the object has duplicate keys)
- // https://github.com/servo/servo/issues/21462
- report_pending_exception(cx, false);
- return Ok(ConversionResult::Failure(
- "Getting MozMap value property keys failed".into(),
- ));
- }
-
- let mut map = IndexMap::new();
- for id in &*ids {
- rooted!(in(cx) let id = *id);
-
- rooted!(in(cx) let mut property = UndefinedValue());
- if !JS_GetPropertyById(cx, object.handle(), id.handle(), property.handle_mut()) {
- return Err(());
- }
-
- let property = match T::from_jsval(cx, property.handle(), config.clone())? {
- ConversionResult::Success(property) => property,
- ConversionResult::Failure(message) => {
- return Ok(ConversionResult::Failure(message))
- },
- };
-
- // TODO: Is this guaranteed to succeed?
- // https://github.com/servo/servo/issues/21463
- if let Some(key) = jsid_to_string(cx, id.handle()) {
- map.insert(key, property);
- }
- }
-
- Ok(ConversionResult::Success(MozMap { map: map }))
- }
-}
-
-impl<T: ToJSValConvertible> ToJSValConvertible for MozMap<T> {
- #[inline]
- unsafe fn to_jsval(&self, cx: *mut JSContext, mut rval: MutableHandleValue) {
- rooted!(in(cx) let js_object = JS_NewPlainObject(cx));
- assert!(!js_object.handle().is_null());
-
- rooted!(in(cx) let mut js_value = UndefinedValue());
- for (key, value) in &self.map {
- let key = key.encode_utf16().collect::<Vec<_>>();
- value.to_jsval(cx, js_value.handle_mut());
-
- assert!(JS_DefineUCProperty2(
- cx,
- js_object.handle(),
- key.as_ptr(),
- key.len(),
- js_value.handle(),
- JSPROP_ENUMERATE as u32
- ));
- }
-
- rval.set(ObjectValue(js_object.handle().get()));
- }
-}