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Introduce trait Castable

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This trait is used to hold onto the downcast and upcast functions of all
castable IDL interfaces. A castable IDL interface is one which either derives
from or is derived by other interfaces.

The deriving relation is represented by implementations of marker trait
DerivedFrom<T: Castable> generated in InheritTypes.

/^[ ]*use dom::bindings::codegen::InheritTypes::.*(Base|Cast|Derived)/ {
    /::[a-zA-Z]+(Base|Cast|Derived);/d
    s/([{ ])[a-zA-Z]+(Base|Cast|Derived), /\1/g
    s/([{ ])[a-zA-Z]+(Base|Cast|Derived), /\1/g
    s/, [a-zA-Z]+(Base|Cast|Derived)([},])/\2/g
    s/, [a-zA-Z]+(Base|Cast|Derived)([},])/\2/g
    /\{([a-zA-Z]+(Base|Cast|Derived))?\};$/d
    s/\{([a-zA-Z_]+)\};$/\1;/
}

s/([a-zA-Z]+)Cast::from_ref\(\&?\**([a-zA-Z_]+)(\.r\(\))?\)/\2.upcast::<\1>()/g
s/([a-zA-Z]+)Cast::from_ref\(\&?\**([a-zA-Z_]+)(\.[a-zA-Z_]+\(\))?\)/\2\3.upcast::<\1>()/g
s/\(([a-zA-Z]+)Cast::from_ref\)/\(Castable::upcast::<\1>\)/g

s/([a-zA-Z]+)Cast::from_root/Root::upcast::<\1>/g

s/([a-zA-Z]+)Cast::from_layout_js\(\&([a-zA-Z_.]+)\)/\2.upcast::<\1>()/g

s/([a-zA-Z]+)Cast::to_ref\(\&?\**([a-zA-Z_]+)(\.r\(\))?\)/\2.downcast::<\1>()/g
s/([a-zA-Z]+)Cast::to_ref\(\&?\**([a-zA-Z_]+)(\.[a-zA-Z_]+\(\))?\)/\2\3.downcast::<\1>()/g
s/\(([a-zA-Z]+)Cast::to_ref\)/\(Castable::downcast::<\1>\)/g

s/([a-zA-Z]+)Cast::to_root/Root::downcast::<\1>/g

s/([a-zA-Z]+)Cast::to_layout_js\(&?([a-zA-Z_.]+(\(\))?)\)/\2.downcast::<\1>()/g

s/\.is_document\(\)/.is::<Document>()/g
s/\.is_htmlanchorelement\(\)/.is::<HTMLAnchorElement>()/g
s/\.is_htmlappletelement\(\)/.is::<HTMLAppletElement>()/g
s/\.is_htmlareaelement\(\)/.is::<HTMLAreaElement>()/g
s/\.is_htmlbodyelement\(\)/.is::<HTMLBodyElement>()/g
s/\.is_htmlembedelement\(\)/.is::<HTMLEmbedElement>()/g
s/\.is_htmlfieldsetelement\(\)/.is::<HTMLFieldSetElement>()/g
s/\.is_htmlformelement\(\)/.is::<HTMLFormElement>()/g
s/\.is_htmlframesetelement\(\)/.is::<HTMLFrameSetElement>()/g
s/\.is_htmlhtmlelement\(\)/.is::<HTMLHtmlElement>()/g
s/\.is_htmlimageelement\(\)/.is::<HTMLImageElement>()/g
s/\.is_htmllegendelement\(\)/.is::<HTMLLegendElement>()/g
s/\.is_htmloptgroupelement\(\)/.is::<HTMLOptGroupElement>()/g
s/\.is_htmloptionelement\(\)/.is::<HTMLOptionElement>()/g
s/\.is_htmlscriptelement\(\)/.is::<HTMLScriptElement>()/g
s/\.is_htmltabledatacellelement\(\)/.is::<HTMLTableDataCellElement>()/g
s/\.is_htmltableheadercellelement\(\)/.is::<HTMLTableHeaderCellElement>()/g
s/\.is_htmltablerowelement\(\)/.is::<HTMLTableRowElement>()/g
s/\.is_htmltablesectionelement\(\)/.is::<HTMLTableSectionElement>()/g
s/\.is_htmltitleelement\(\)/.is::<HTMLTitleElement>()/g
This commit is contained in:
Anthony Ramine 2015-10-06 17:21:44 +02:00
parent bd363b009d
commit 13ea3ac413
82 changed files with 1124 additions and 1148 deletions
Download patch file Download diff file Expand all files Collapse all files

12
components/script/dom/htmltemplateelement.rs
View file

@ -6,7 +6,7 @@ use dom::bindings::codegen::Bindings::DocumentBinding::DocumentMethods;
use dom::bindings::codegen::Bindings::HTMLTemplateElementBinding;
use dom::bindings::codegen::Bindings::HTMLTemplateElementBinding::HTMLTemplateElementMethods;
use dom::bindings::codegen::Bindings::NodeBinding::NodeMethods;
use dom::bindings::codegen::InheritTypes::{HTMLElementCast, HTMLTemplateElementCast, NodeCast};
use dom::bindings::conversions::Castable;
use dom::bindings::js::{JS, MutNullableHeap, Root};
use dom::document::Document;
use dom::documentfragment::DocumentFragment;
@ -55,7 +55,7 @@ impl HTMLTemplateElementMethods for HTMLTemplateElement {
impl VirtualMethods for HTMLTemplateElement {
fn super_type(&self) -> Option<&VirtualMethods> {
Some(HTMLElementCast::from_ref(self) as &VirtualMethods)
Some(self.upcast::<HTMLElement>() as &VirtualMethods)
}
/// https://html.spec.whatwg.org/multipage/#template-adopting-steps
@ -64,7 +64,7 @@ impl VirtualMethods for HTMLTemplateElement {
// Step 1.
let doc = document_from_node(self).appropriate_template_contents_owner_document();
// Step 2.
Node::adopt(NodeCast::from_ref(&*self.Content()), &doc);
Node::adopt(self.Content().upcast::<Node>(), &doc);
}
/// https://html.spec.whatwg.org/multipage/#the-template-element:concept-node-clone-ext
@ -75,11 +75,11 @@ impl VirtualMethods for HTMLTemplateElement {
// Step 1.
return;
}
let copy = HTMLTemplateElementCast::to_ref(copy).unwrap();
let copy = copy.downcast::<HTMLTemplateElement>().unwrap();
// Steps 2-3.
let copy_contents = NodeCast::from_root(copy.Content());
let copy_contents = Root::upcast::<Node>(copy.Content());
let copy_contents_doc = copy_contents.owner_doc();
for child in NodeCast::from_root(self.Content()).children() {
for child in Root::upcast::<Node>(self.Content()).children() {
let copy_child = Node::clone(
&child, Some(&copy_contents_doc), CloneChildrenFlag::CloneChildren);
copy_contents.AppendChild(&copy_child).unwrap();