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Introduce trait Castable
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
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82 changed files with 1124 additions and 1148 deletions
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@ -6,8 +6,8 @@
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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::{ElementCast, NodeCast};
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use dom::bindings::codegen::UnionTypes::NodeOrString;
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use dom::bindings::conversions::Castable;
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use dom::bindings::error::{Error, ErrorResult, Fallible};
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use dom::bindings::js::{LayoutJS, Root};
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use dom::document::Document;
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@ -113,35 +113,35 @@ impl CharacterDataMethods for CharacterData {
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// https://dom.spec.whatwg.org/#dom-childnode-before
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fn Before(&self, nodes: Vec<NodeOrString>) -> ErrorResult {
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NodeCast::from_ref(self).before(nodes)
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self.upcast::<Node>().before(nodes)
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}
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// https://dom.spec.whatwg.org/#dom-childnode-after
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fn After(&self, nodes: Vec<NodeOrString>) -> ErrorResult {
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NodeCast::from_ref(self).after(nodes)
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self.upcast::<Node>().after(nodes)
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}
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// https://dom.spec.whatwg.org/#dom-childnode-replacewith
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fn ReplaceWith(&self, nodes: Vec<NodeOrString>) -> ErrorResult {
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NodeCast::from_ref(self).replace_with(nodes)
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self.upcast::<Node>().replace_with(nodes)
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}
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// https://dom.spec.whatwg.org/#dom-childnode-remove
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fn Remove(&self) {
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let node = NodeCast::from_ref(self);
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let node = self.upcast::<Node>();
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node.remove_self();
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}
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// https://dom.spec.whatwg.org/#dom-nondocumenttypechildnode-previouselementsibling
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fn GetPreviousElementSibling(&self) -> Option<Root<Element>> {
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NodeCast::from_ref(self).preceding_siblings()
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.filter_map(ElementCast::to_root).next()
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self.upcast::<Node>().preceding_siblings()
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.filter_map(Root::downcast::<Element>).next()
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}
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// https://dom.spec.whatwg.org/#dom-nondocumenttypechildnode-nextelementsibling
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fn GetNextElementSibling(&self) -> Option<Root<Element>> {
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NodeCast::from_ref(self).following_siblings()
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.filter_map(ElementCast::to_root).next()
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self.upcast::<Node>().following_siblings()
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.filter_map(Root::downcast::<Element>).next()
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}
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}
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@ -157,7 +157,7 @@ impl CharacterData {
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}
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fn content_changed(&self) {
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let node = NodeCast::from_ref(self);
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let node = self.upcast::<Node>();
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let document = node.owner_doc();
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document.r().content_changed(node, NodeDamage::OtherNodeDamage);
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}
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