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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 dom::bindings::codegen::Bindings::TextBinding::{self, TextMethods};
use dom::bindings::codegen::Bindings::CharacterDataBinding::CharacterDataMethods;
use dom::bindings::codegen::Bindings::DocumentBinding::DocumentMethods;
use dom::bindings::codegen::Bindings::NodeBinding::NodeMethods;
use dom::bindings::codegen::Bindings::WindowBinding::WindowMethods;
use dom::bindings::codegen::InheritTypes::{CharacterDataCast, TextDerived};
use dom::bindings::codegen::InheritTypes::NodeCast;
use dom::bindings::error::{Error, Fallible};
use dom::bindings::global::GlobalRef;
use dom::bindings::js::{RootedReference};
use dom::bindings::js::Root;
use dom::characterdata::{CharacterData, CharacterDataHelpers, CharacterDataTypeId};
use dom::document::Document;
use dom::eventtarget::{EventTarget, EventTargetTypeId};
use dom::node::{Node, NodeHelpers, NodeTypeId};
use util::str::DOMString;
/// An HTML text node.
#[dom_struct]
#[derive(HeapSizeOf)]
pub struct Text {
characterdata: CharacterData,
}
impl TextDerived for EventTarget {
fn is_text(&self) -> bool {
*self.type_id() == EventTargetTypeId::Node(NodeTypeId::CharacterData(CharacterDataTypeId::Text))
}
}
impl Text {
fn new_inherited(text: DOMString, document: &Document) -> Text {
Text {
characterdata: CharacterData::new_inherited(CharacterDataTypeId::Text, text, document)
}
}
pub fn new(text: DOMString, document: &Document) -> Root<Text> {
Node::reflect_node(box Text::new_inherited(text, document),
document, TextBinding::Wrap)
}
pub fn Constructor(global: GlobalRef, text: DOMString) -> Fallible<Root<Text>> {
let document = global.as_window().Document();
Ok(Text::new(text, document.r()))
}
}
impl<'a> TextMethods for &'a Text {
// https://dom.spec.whatwg.org/#dom-text-splittextoffset
fn SplitText(self, offset: u32) -> Fallible<Root<Text>> {
let cdata = CharacterDataCast::from_ref(self);
// Step 1.
let length = cdata.Length();
if offset > length {
// Step 2.
return Err(Error::IndexSize);
}
// Step 3.
let count = length - offset;
// Step 4.
let new_data = cdata.SubstringData(offset, count).unwrap();
// Step 5.
let node = NodeCast::from_ref(self);
let owner_doc = node.owner_doc();
let new_node = owner_doc.r().CreateTextNode(new_data);
// Step 6.
let parent = node.GetParentNode();
if let Some(ref parent) = parent {
// Step 7.
parent.r().InsertBefore(NodeCast::from_ref(new_node.r()),
node.GetNextSibling().r())
.unwrap();
// TODO: Ranges.
}
// Step 8.
cdata.DeleteData(offset, count).unwrap();
if parent.is_none() {
// Step 9.
// TODO: Ranges
}
// Step 10.
Ok(new_node)
}
// https://dom.spec.whatwg.org/#dom-text-wholetext
fn WholeText(self) -> DOMString {
let first = NodeCast::from_ref(self).inclusively_preceding_siblings()
.take_while(|node| node.r().is_text())
.last().unwrap();
let nodes = first.r().inclusively_following_siblings()
.take_while(|node| node.r().is_text());
let mut text = DOMString::new();
for ref node in nodes {
let cdata = CharacterDataCast::to_ref(node.r()).unwrap();
text.push_str(&cdata.data());
}
text
}
}
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