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-rw-r--r--src/components/script/dom/bindings/conversions.rs378
1 files changed, 0 insertions, 378 deletions
diff --git a/src/components/script/dom/bindings/conversions.rs b/src/components/script/dom/bindings/conversions.rs
deleted file mode 100644
index 8ce5b55e9d3..00000000000
--- a/src/components/script/dom/bindings/conversions.rs
+++ /dev/null
@@ -1,378 +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 http://mozilla.org/MPL/2.0/. */
-
-//! Conversions of Rust values to and from `JSVal`.
-
-use dom::bindings::js::{JS, JSRef, Root};
-use dom::bindings::str::ByteString;
-use dom::bindings::utils::{Reflectable, Reflector};
-use dom::bindings::utils::jsstring_to_str;
-use dom::bindings::utils::unwrap_jsmanaged;
-use servo_util::str::DOMString;
-
-use js::jsapi::{JSBool, JSContext, JSObject};
-use js::jsapi::{JS_ValueToUint64, JS_ValueToInt64};
-use js::jsapi::{JS_ValueToECMAUint32, JS_ValueToECMAInt32};
-use js::jsapi::{JS_ValueToUint16, JS_ValueToNumber, JS_ValueToBoolean};
-use js::jsapi::{JS_ValueToString, JS_GetStringCharsAndLength};
-use js::jsapi::{JS_NewUCStringCopyN, JS_NewStringCopyN};
-use js::jsapi::{JS_WrapValue};
-use js::jsval::JSVal;
-use js::jsval::{UndefinedValue, NullValue, BooleanValue, Int32Value, UInt32Value};
-use js::jsval::{StringValue, ObjectValue, ObjectOrNullValue};
-use js::glue::RUST_JS_NumberValue;
-use libc;
-use std::default::Default;
-use std::slice;
-
-use dom::bindings::codegen::PrototypeList;
-
-// FIXME (https://github.com/rust-lang/rfcs/pull/4)
-// remove Option<Self> arguments.
-pub trait IDLInterface {
- fn get_prototype_id(_: Option<Self>) -> PrototypeList::id::ID;
- fn get_prototype_depth(_: Option<Self>) -> uint;
-}
-
-/// A trait to convert Rust types to `JSVal`s.
-pub trait ToJSValConvertible {
- /// Convert `self` to a `JSVal`. JSAPI failure causes a task failure.
- fn to_jsval(&self, cx: *mut JSContext) -> JSVal;
-}
-
-/// A trait to convert `JSVal`s to Rust types.
-pub trait FromJSValConvertible<T> {
- /// Convert `val` to type `Self`.
- /// Optional configuration of type `T` can be passed as the `option`
- /// argument.
- /// If it returns `Err(())`, a JSAPI exception is pending.
- fn from_jsval(cx: *mut JSContext, val: JSVal, option: T) -> Result<Self, ()>;
-}
-
-
-impl ToJSValConvertible for () {
- fn to_jsval(&self, _cx: *mut JSContext) -> JSVal {
- UndefinedValue()
- }
-}
-
-impl ToJSValConvertible for JSVal {
- fn to_jsval(&self, cx: *mut JSContext) -> JSVal {
- let mut value = *self;
- if unsafe { JS_WrapValue(cx, &mut value) } == 0 {
- fail!("JS_WrapValue failed.");
- }
- value
- }
-}
-
-unsafe fn convert_from_jsval<T: Default>(
- cx: *mut JSContext, value: JSVal,
- convert_fn: unsafe extern "C" fn(*mut JSContext, JSVal, *mut T) -> JSBool) -> Result<T, ()> {
- let mut ret = Default::default();
- if convert_fn(cx, value, &mut ret) == 0 {
- Err(())
- } else {
- Ok(ret)
- }
-}
-
-
-impl ToJSValConvertible for bool {
- fn to_jsval(&self, _cx: *mut JSContext) -> JSVal {
- BooleanValue(*self)
- }
-}
-
-impl FromJSValConvertible<()> for bool {
- fn from_jsval(cx: *mut JSContext, val: JSVal, _option: ()) -> Result<bool, ()> {
- let result = unsafe { convert_from_jsval(cx, val, JS_ValueToBoolean) };
- result.map(|b| b != 0)
- }
-}
-
-impl ToJSValConvertible for i8 {
- fn to_jsval(&self, _cx: *mut JSContext) -> JSVal {
- Int32Value(*self as i32)
- }
-}
-
-impl FromJSValConvertible<()> for i8 {
- fn from_jsval(cx: *mut JSContext, val: JSVal, _option: ()) -> Result<i8, ()> {
- let result = unsafe { convert_from_jsval(cx, val, JS_ValueToECMAInt32) };
- result.map(|v| v as i8)
- }
-}
-
-impl ToJSValConvertible for u8 {
- fn to_jsval(&self, _cx: *mut JSContext) -> JSVal {
- Int32Value(*self as i32)
- }
-}
-
-impl FromJSValConvertible<()> for u8 {
- fn from_jsval(cx: *mut JSContext, val: JSVal, _option: ()) -> Result<u8, ()> {
- let result = unsafe { convert_from_jsval(cx, val, JS_ValueToECMAInt32) };
- result.map(|v| v as u8)
- }
-}
-
-impl ToJSValConvertible for i16 {
- fn to_jsval(&self, _cx: *mut JSContext) -> JSVal {
- Int32Value(*self as i32)
- }
-}
-
-impl FromJSValConvertible<()> for i16 {
- fn from_jsval(cx: *mut JSContext, val: JSVal, _option: ()) -> Result<i16, ()> {
- let result = unsafe { convert_from_jsval(cx, val, JS_ValueToECMAInt32) };
- result.map(|v| v as i16)
- }
-}
-
-impl ToJSValConvertible for u16 {
- fn to_jsval(&self, _cx: *mut JSContext) -> JSVal {
- Int32Value(*self as i32)
- }
-}
-
-impl FromJSValConvertible<()> for u16 {
- fn from_jsval(cx: *mut JSContext, val: JSVal, _option: ()) -> Result<u16, ()> {
- unsafe { convert_from_jsval(cx, val, JS_ValueToUint16) }
- }
-}
-
-impl ToJSValConvertible for i32 {
- fn to_jsval(&self, _cx: *mut JSContext) -> JSVal {
- Int32Value(*self)
- }
-}
-
-impl FromJSValConvertible<()> for i32 {
- fn from_jsval(cx: *mut JSContext, val: JSVal, _option: ()) -> Result<i32, ()> {
- unsafe { convert_from_jsval(cx, val, JS_ValueToECMAInt32) }
- }
-}
-
-impl ToJSValConvertible for u32 {
- fn to_jsval(&self, _cx: *mut JSContext) -> JSVal {
- UInt32Value(*self)
- }
-}
-
-impl FromJSValConvertible<()> for u32 {
- fn from_jsval(cx: *mut JSContext, val: JSVal, _option: ()) -> Result<u32, ()> {
- unsafe { convert_from_jsval(cx, val, JS_ValueToECMAUint32) }
- }
-}
-
-impl ToJSValConvertible for i64 {
- fn to_jsval(&self, _cx: *mut JSContext) -> JSVal {
- unsafe {
- RUST_JS_NumberValue(*self as f64)
- }
- }
-}
-
-impl FromJSValConvertible<()> for i64 {
- fn from_jsval(cx: *mut JSContext, val: JSVal, _option: ()) -> Result<i64, ()> {
- unsafe { convert_from_jsval(cx, val, JS_ValueToInt64) }
- }
-}
-
-impl ToJSValConvertible for u64 {
- fn to_jsval(&self, _cx: *mut JSContext) -> JSVal {
- unsafe {
- RUST_JS_NumberValue(*self as f64)
- }
- }
-}
-
-impl FromJSValConvertible<()> for u64 {
- fn from_jsval(cx: *mut JSContext, val: JSVal, _option: ()) -> Result<u64, ()> {
- unsafe { convert_from_jsval(cx, val, JS_ValueToUint64) }
- }
-}
-
-impl ToJSValConvertible for f32 {
- fn to_jsval(&self, _cx: *mut JSContext) -> JSVal {
- unsafe {
- RUST_JS_NumberValue(*self as f64)
- }
- }
-}
-
-impl FromJSValConvertible<()> for f32 {
- fn from_jsval(cx: *mut JSContext, val: JSVal, _option: ()) -> Result<f32, ()> {
- let result = unsafe { convert_from_jsval(cx, val, JS_ValueToNumber) };
- result.map(|f| f as f32)
- }
-}
-
-impl ToJSValConvertible for f64 {
- fn to_jsval(&self, _cx: *mut JSContext) -> JSVal {
- unsafe {
- RUST_JS_NumberValue(*self)
- }
- }
-}
-
-impl FromJSValConvertible<()> for f64 {
- fn from_jsval(cx: *mut JSContext, val: JSVal, _option: ()) -> Result<f64, ()> {
- unsafe { convert_from_jsval(cx, val, JS_ValueToNumber) }
- }
-}
-
-impl ToJSValConvertible for DOMString {
- fn to_jsval(&self, cx: *mut JSContext) -> JSVal {
- unsafe {
- let string_utf16: Vec<u16> = self.as_slice().utf16_units().collect();
- let jsstr = JS_NewUCStringCopyN(cx, string_utf16.as_ptr(), string_utf16.len() as libc::size_t);
- if jsstr.is_null() {
- fail!("JS_NewUCStringCopyN failed");
- }
- StringValue(&*jsstr)
- }
- }
-}
-
-/// Behavior for stringification of `JSVal`s.
-#[deriving(PartialEq)]
-pub enum StringificationBehavior {
- /// Convert `null` to the string `"null"`.
- Default,
- /// Convert `null` to the empty string.
- Empty,
-}
-
-impl Default for StringificationBehavior {
- fn default() -> StringificationBehavior {
- Default
- }
-}
-
-impl FromJSValConvertible<StringificationBehavior> for DOMString {
- fn from_jsval(cx: *mut JSContext, value: JSVal, nullBehavior: StringificationBehavior) -> Result<DOMString, ()> {
- if nullBehavior == Empty && value.is_null() {
- Ok("".to_string())
- } else {
- let jsstr = unsafe { JS_ValueToString(cx, value) };
- if jsstr.is_null() {
- debug!("JS_ValueToString failed");
- Err(())
- } else {
- Ok(jsstring_to_str(cx, jsstr))
- }
- }
- }
-}
-
-impl ToJSValConvertible for ByteString {
- fn to_jsval(&self, cx: *mut JSContext) -> JSVal {
- unsafe {
- let slice = self.as_slice();
- let jsstr = JS_NewStringCopyN(cx, slice.as_ptr() as *const libc::c_char,
- slice.len() as libc::size_t);
- if jsstr.is_null() {
- fail!("JS_NewStringCopyN failed");
- }
- StringValue(&*jsstr)
- }
- }
-}
-
-impl FromJSValConvertible<()> for ByteString {
- fn from_jsval(cx: *mut JSContext, value: JSVal, _option: ()) -> Result<ByteString, ()> {
- unsafe {
- let string = JS_ValueToString(cx, value);
- if string.is_null() {
- debug!("JS_ValueToString failed");
- return Err(());
- }
-
- let mut length = 0;
- let chars = JS_GetStringCharsAndLength(cx, string, &mut length);
- slice::raw::buf_as_slice(chars, length as uint, |char_vec| {
- if char_vec.iter().any(|&c| c > 0xFF) {
- // XXX Throw
- Err(())
- } else {
- Ok(ByteString::new(char_vec.iter().map(|&c| c as u8).collect()))
- }
- })
- }
- }
-}
-
-impl ToJSValConvertible for Reflector {
- fn to_jsval(&self, cx: *mut JSContext) -> JSVal {
- let obj = self.get_jsobject();
- assert!(obj.is_not_null());
- let mut value = ObjectValue(unsafe { &*obj });
- if unsafe { JS_WrapValue(cx, &mut value) } == 0 {
- fail!("JS_WrapValue failed.");
- }
- value
- }
-}
-
-impl<T: Reflectable+IDLInterface> FromJSValConvertible<()> for JS<T> {
- fn from_jsval(_cx: *mut JSContext, value: JSVal, _option: ()) -> Result<JS<T>, ()> {
- if !value.is_object() {
- return Err(());
- }
- unwrap_jsmanaged(value.to_object(),
- IDLInterface::get_prototype_id(None::<T>),
- IDLInterface::get_prototype_depth(None::<T>))
- }
-}
-
-impl<'a, 'b, T: Reflectable> ToJSValConvertible for Root<'a, 'b, T> {
- fn to_jsval(&self, cx: *mut JSContext) -> JSVal {
- self.reflector().to_jsval(cx)
- }
-}
-
-impl<'a, T: Reflectable> ToJSValConvertible for JSRef<'a, T> {
- fn to_jsval(&self, cx: *mut JSContext) -> JSVal {
- self.reflector().to_jsval(cx)
- }
-}
-
-impl<'a, T: Reflectable> ToJSValConvertible for JS<T> {
- fn to_jsval(&self, cx: *mut JSContext) -> JSVal {
- self.reflector().to_jsval(cx)
- }
-}
-
-impl<T: ToJSValConvertible> ToJSValConvertible for Option<T> {
- fn to_jsval(&self, cx: *mut JSContext) -> JSVal {
- match self {
- &Some(ref value) => value.to_jsval(cx),
- &None => NullValue(),
- }
- }
-}
-
-impl<X: Default, T: FromJSValConvertible<X>> FromJSValConvertible<()> for Option<T> {
- fn from_jsval(cx: *mut JSContext, value: JSVal, _: ()) -> Result<Option<T>, ()> {
- if value.is_null_or_undefined() {
- Ok(None)
- } else {
- let option: X = Default::default();
- let result: Result<T, ()> = FromJSValConvertible::from_jsval(cx, value, option);
- result.map(Some)
- }
- }
-}
-
-impl ToJSValConvertible for *mut JSObject {
- fn to_jsval(&self, cx: *mut JSContext) -> JSVal {
- let mut wrapped = ObjectOrNullValue(*self);
- unsafe {
- assert!(JS_WrapValue(cx, &mut wrapped) != 0);
- }
- wrapped
- }
-}