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path: root/src/components/script/dom/domparser.rs
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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::DOMParserBinding;
use dom::bindings::codegen::DOMParserBinding::SupportedTypeValues::{Text_html, Text_xml};
use dom::bindings::utils::{DOMString, ErrorResult, WrapperCache, CacheableWrapper};
use dom::document::{AbstractDocument, Document, XML};
use dom::element::{HTMLHtmlElement, HTMLHtmlElementTypeId};
use dom::htmldocument::HTMLDocument;
use dom::htmlelement::HTMLElement;
use dom::node::Node;
use dom::window::Window;

pub struct DOMParser {
    owner: @mut Window, //XXXjdm Document instead?
    wrapper: WrapperCache
}

impl DOMParser {
    pub fn new(owner: @mut Window) -> @mut DOMParser {
        let parser = @mut DOMParser {
            owner: owner,
            wrapper: WrapperCache::new()
        };

        // TODO(tkuehn): This just handles the top-level page. Need to handle subframes.
        let cx = unsafe {(*owner.page).js_info.get_ref().js_compartment.cx.ptr};
        let cache = owner.get_wrappercache();
        let scope = cache.get_wrapper();
        parser.wrap_object_shared(cx, scope);
        parser
    }

    pub fn Constructor(owner: @mut Window, _rv: &mut ErrorResult) -> @mut DOMParser {
        DOMParser::new(owner)
    }

    pub fn ParseFromString(&self,
                           _s: &DOMString,
                           ty: DOMParserBinding::SupportedType,
                           _rv: &mut ErrorResult)
                           -> AbstractDocument {
        unsafe {
            let root = @HTMLHtmlElement {
                parent: HTMLElement::new(HTMLHtmlElementTypeId, ~"html")
            };

            let root = Node::as_abstract_node((*self.owner.page).js_info.get_ref().js_compartment.cx.ptr, root);
            let cx = (*self.owner.page).js_info.get_ref().js_compartment.cx.ptr;

            match ty {
                Text_html => {
                    HTMLDocument::new(root, None)
                }
                Text_xml => {
                    AbstractDocument::as_abstract(cx, @mut Document::new(root, None, XML))
                }
                _ => {
                    fail!("unsupported document type")
                }
            }
        }
    }
}