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131 lines
3.9 KiB
Rust
131 lines
3.9 KiB
Rust
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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//! DOM bindings for `CharacterData`.
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use dom::bindings::cell::DOMRefCell;
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use dom::bindings::codegen::Bindings::CharacterDataBinding::CharacterDataMethods;
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use dom::bindings::codegen::InheritTypes::{CharacterDataDerived, NodeCast};
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use dom::bindings::error::{Fallible, ErrorResult};
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use dom::bindings::error::Error::IndexSize;
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use dom::bindings::js::JSRef;
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use dom::document::Document;
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use dom::eventtarget::{EventTarget, EventTargetTypeId};
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use dom::node::{Node, NodeHelpers, NodeTypeId};
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use util::str::DOMString;
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use std::borrow::ToOwned;
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use std::cell::Ref;
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#[dom_struct]
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pub struct CharacterData {
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node: Node,
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data: DOMRefCell<DOMString>,
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}
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impl CharacterDataDerived for EventTarget {
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fn is_characterdata(&self) -> bool {
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match *self.type_id() {
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EventTargetTypeId::Node(NodeTypeId::Text) |
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EventTargetTypeId::Node(NodeTypeId::Comment) |
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EventTargetTypeId::Node(NodeTypeId::ProcessingInstruction) => true,
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_ => false
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}
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}
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}
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impl CharacterData {
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pub fn new_inherited(id: NodeTypeId, data: DOMString, document: JSRef<Document>) -> CharacterData {
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CharacterData {
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node: Node::new_inherited(id, document),
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data: DOMRefCell::new(data),
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}
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}
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#[inline]
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pub fn node<'a>(&'a self) -> &'a Node {
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&self.node
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}
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#[inline]
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pub fn data(&self) -> Ref<DOMString> {
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self.data.borrow()
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}
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#[inline]
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pub fn set_data(&self, data: DOMString) {
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*self.data.borrow_mut() = data;
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}
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#[inline]
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#[allow(unsafe_code)]
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pub unsafe fn data_for_layout<'a>(&'a self) -> &'a str {
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self.data.borrow_for_layout().as_slice()
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}
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}
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impl<'a> CharacterDataMethods for JSRef<'a, CharacterData> {
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fn Data(self) -> DOMString {
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// FIXME(https://github.com/rust-lang/rust/issues/23338)
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let data = self.data.borrow();
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data.clone()
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}
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fn SetData(self, arg: DOMString) -> ErrorResult {
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*self.data.borrow_mut() = arg;
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Ok(())
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}
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fn Length(self) -> u32 {
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// FIXME(https://github.com/rust-lang/rust/issues/23338)
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let data = self.data.borrow();
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data.chars().count() as u32
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}
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fn SubstringData(self, offset: u32, count: u32) -> Fallible<DOMString> {
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// FIXME(https://github.com/rust-lang/rust/issues/23338)
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let data = self.data.borrow();
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Ok(data.slice_chars(offset as usize, (offset + count) as usize).to_owned())
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}
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fn AppendData(self, arg: DOMString) -> ErrorResult {
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self.data.borrow_mut().push_str(arg.as_slice());
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Ok(())
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}
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fn InsertData(self, offset: u32, arg: DOMString) -> ErrorResult {
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self.ReplaceData(offset, 0, arg)
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}
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fn DeleteData(self, offset: u32, count: u32) -> ErrorResult {
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self.ReplaceData(offset, count, "".to_owned())
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}
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fn ReplaceData(self, offset: u32, count: u32, arg: DOMString) -> ErrorResult {
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let length = self.data.borrow().chars().count() as u32;
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if offset > length {
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return Err(IndexSize);
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}
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let count = if offset + count > length {
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length - offset
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} else {
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count
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};
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let mut data = self.data.borrow().slice_chars(0, offset as usize).to_owned();
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data.push_str(arg.as_slice());
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data.push_str(&self.data.borrow().slice_chars((offset + count) as usize, length as usize));
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*self.data.borrow_mut() = data;
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// FIXME: Once we have `Range`, we should implement step7 to step11
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Ok(())
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}
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// http://dom.spec.whatwg.org/#dom-childnode-remove
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fn Remove(self) {
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let node: JSRef<Node> = NodeCast::from_ref(self);
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node.remove_self();
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}
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}
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