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https://github.com/lightpanda-io/browser.git
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add Tag.fromString to get element tag from tagname
This commit is contained in:
Pierre Tachoire
@@ -1109,77 +1109,80 @@ pub const HTMLVideoElement = struct {
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};
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pub fn toInterface(comptime T: type, e: *parser.Element) !T {
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const elem: *align(@alignOf(*parser.Element)) parser.Element = @alignCast(e);
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const tag = try parser.elementHTMLGetTagType(@as(*parser.ElementHTML, @ptrCast(elem)));
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const tagname = try parser.elementGetTagName(e) orelse {
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// in case of null tagname, return an uknonwn HTMLElement.
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return .{ .HTMLUnknownElement = @as(*parser.Unknown, @ptrCast(e)) };
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};
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const tag = try parser.Tag.fromString(tagname);
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return switch (tag) {
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.abbr, .acronym, .address, .article, .aside, .b, .basefont, .bdi, .bdo, .bgsound, .big, .center, .cite, .code, .dd, .details, .dfn, .dt, .em, .figcaption, .figure, .footer, .header, .hgroup, .i, .isindex, .keygen, .kbd, .main, .mark, .marquee, .menu, .menuitem, .nav, .nobr, .noframes, .noscript, .rp, .rt, .ruby, .s, .samp, .section, .small, .spacer, .strike, .strong, .sub, .summary, .sup, .tt, .u, .wbr, ._var => .{ .HTMLElement = @as(*parser.ElementHTML, @ptrCast(elem)) },
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.a => .{ .HTMLAnchorElement = @as(*parser.Anchor, @ptrCast(elem)) },
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.applet => .{ .HTMLAppletElement = @as(*parser.Applet, @ptrCast(elem)) },
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.area => .{ .HTMLAreaElement = @as(*parser.Area, @ptrCast(elem)) },
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.audio => .{ .HTMLAudioElement = @as(*parser.Audio, @ptrCast(elem)) },
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.base => .{ .HTMLBaseElement = @as(*parser.Base, @ptrCast(elem)) },
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.body => .{ .HTMLBodyElement = @as(*parser.Body, @ptrCast(elem)) },
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.br => .{ .HTMLBRElement = @as(*parser.BR, @ptrCast(elem)) },
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.button => .{ .HTMLButtonElement = @as(*parser.Button, @ptrCast(elem)) },
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.canvas => .{ .HTMLCanvasElement = @as(*parser.Canvas, @ptrCast(elem)) },
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.dl => .{ .HTMLDListElement = @as(*parser.DList, @ptrCast(elem)) },
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.data => .{ .HTMLDataElement = @as(*parser.Data, @ptrCast(elem)) },
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.datalist => .{ .HTMLDataListElement = @as(*parser.DataList, @ptrCast(elem)) },
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.dialog => .{ .HTMLDialogElement = @as(*parser.Dialog, @ptrCast(elem)) },
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.dir => .{ .HTMLDirectoryElement = @as(*parser.Directory, @ptrCast(elem)) },
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.div => .{ .HTMLDivElement = @as(*parser.Div, @ptrCast(elem)) },
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.embed => .{ .HTMLEmbedElement = @as(*parser.Embed, @ptrCast(elem)) },
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.fieldset => .{ .HTMLFieldSetElement = @as(*parser.FieldSet, @ptrCast(elem)) },
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.font => .{ .HTMLFontElement = @as(*parser.Font, @ptrCast(elem)) },
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.form => .{ .HTMLFormElement = @as(*parser.Form, @ptrCast(elem)) },
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.frame => .{ .HTMLFrameElement = @as(*parser.Frame, @ptrCast(elem)) },
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.frameset => .{ .HTMLFrameSetElement = @as(*parser.FrameSet, @ptrCast(elem)) },
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.hr => .{ .HTMLHRElement = @as(*parser.HR, @ptrCast(elem)) },
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.head => .{ .HTMLHeadElement = @as(*parser.Head, @ptrCast(elem)) },
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.h1, .h2, .h3, .h4, .h5, .h6 => .{ .HTMLHeadingElement = @as(*parser.Heading, @ptrCast(elem)) },
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.html => .{ .HTMLHtmlElement = @as(*parser.Html, @ptrCast(elem)) },
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.iframe => .{ .HTMLIFrameElement = @as(*parser.IFrame, @ptrCast(elem)) },
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.img => .{ .HTMLImageElement = @as(*parser.Image, @ptrCast(elem)) },
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.input => .{ .HTMLInputElement = @as(*parser.Input, @ptrCast(elem)) },
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.li => .{ .HTMLLIElement = @as(*parser.LI, @ptrCast(elem)) },
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.label => .{ .HTMLLabelElement = @as(*parser.Label, @ptrCast(elem)) },
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.legend => .{ .HTMLLegendElement = @as(*parser.Legend, @ptrCast(elem)) },
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.link => .{ .HTMLLinkElement = @as(*parser.Link, @ptrCast(elem)) },
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.map => .{ .HTMLMapElement = @as(*parser.Map, @ptrCast(elem)) },
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.meta => .{ .HTMLMetaElement = @as(*parser.Meta, @ptrCast(elem)) },
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.meter => .{ .HTMLMeterElement = @as(*parser.Meter, @ptrCast(elem)) },
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.ins, .del => .{ .HTMLModElement = @as(*parser.Mod, @ptrCast(elem)) },
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.ol => .{ .HTMLOListElement = @as(*parser.OList, @ptrCast(elem)) },
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.object => .{ .HTMLObjectElement = @as(*parser.Object, @ptrCast(elem)) },
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.optgroup => .{ .HTMLOptGroupElement = @as(*parser.OptGroup, @ptrCast(elem)) },
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.option => .{ .HTMLOptionElement = @as(*parser.Option, @ptrCast(elem)) },
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.output => .{ .HTMLOutputElement = @as(*parser.Output, @ptrCast(elem)) },
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.p => .{ .HTMLParagraphElement = @as(*parser.Paragraph, @ptrCast(elem)) },
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.param => .{ .HTMLParamElement = @as(*parser.Param, @ptrCast(elem)) },
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.picture => .{ .HTMLPictureElement = @as(*parser.Picture, @ptrCast(elem)) },
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.pre => .{ .HTMLPreElement = @as(*parser.Pre, @ptrCast(elem)) },
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.progress => .{ .HTMLProgressElement = @as(*parser.Progress, @ptrCast(elem)) },
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.blockquote, .q => .{ .HTMLQuoteElement = @as(*parser.Quote, @ptrCast(elem)) },
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.script => .{ .HTMLScriptElement = @as(*parser.Script, @ptrCast(elem)) },
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.select => .{ .HTMLSelectElement = @as(*parser.Select, @ptrCast(elem)) },
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.source => .{ .HTMLSourceElement = @as(*parser.Source, @ptrCast(elem)) },
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.span => .{ .HTMLSpanElement = @as(*parser.Span, @ptrCast(elem)) },
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.style => .{ .HTMLStyleElement = @as(*parser.Style, @ptrCast(elem)) },
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.table => .{ .HTMLTableElement = @as(*parser.Table, @ptrCast(elem)) },
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.caption => .{ .HTMLTableCaptionElement = @as(*parser.TableCaption, @ptrCast(elem)) },
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.th, .td => .{ .HTMLTableCellElement = @as(*parser.TableCell, @ptrCast(elem)) },
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.col, .colgroup => .{ .HTMLTableColElement = @as(*parser.TableCol, @ptrCast(elem)) },
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.tr => .{ .HTMLTableRowElement = @as(*parser.TableRow, @ptrCast(elem)) },
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.thead, .tbody, .tfoot => .{ .HTMLTableSectionElement = @as(*parser.TableSection, @ptrCast(elem)) },
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.template => .{ .HTMLTemplateElement = @as(*parser.Template, @ptrCast(elem)) },
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.textarea => .{ .HTMLTextAreaElement = @as(*parser.TextArea, @ptrCast(elem)) },
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.time => .{ .HTMLTimeElement = @as(*parser.Time, @ptrCast(elem)) },
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.title => .{ .HTMLTitleElement = @as(*parser.Title, @ptrCast(elem)) },
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.track => .{ .HTMLTrackElement = @as(*parser.Track, @ptrCast(elem)) },
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.ul => .{ .HTMLUListElement = @as(*parser.UList, @ptrCast(elem)) },
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.video => .{ .HTMLVideoElement = @as(*parser.Video, @ptrCast(elem)) },
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.undef => .{ .HTMLUnknownElement = @as(*parser.Unknown, @ptrCast(elem)) },
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.abbr, .acronym, .address, .article, .aside, .b, .basefont, .bdi, .bdo, .bgsound, .big, .center, .cite, .code, .dd, .details, .dfn, .dt, .em, .figcaption, .figure, .footer, .header, .hgroup, .i, .isindex, .keygen, .kbd, .main, .mark, .marquee, .menu, .menuitem, .nav, .nobr, .noframes, .noscript, .rp, .rt, .ruby, .s, .samp, .section, .small, .spacer, .strike, .strong, .sub, .summary, .sup, .tt, .u, .wbr, ._var => .{ .HTMLElement = @as(*parser.ElementHTML, @ptrCast(e)) },
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.a => .{ .HTMLAnchorElement = @as(*parser.Anchor, @ptrCast(e)) },
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.applet => .{ .HTMLAppletElement = @as(*parser.Applet, @ptrCast(e)) },
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.area => .{ .HTMLAreaElement = @as(*parser.Area, @ptrCast(e)) },
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.audio => .{ .HTMLAudioElement = @as(*parser.Audio, @ptrCast(e)) },
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.base => .{ .HTMLBaseElement = @as(*parser.Base, @ptrCast(e)) },
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.body => .{ .HTMLBodyElement = @as(*parser.Body, @ptrCast(e)) },
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.br => .{ .HTMLBRElement = @as(*parser.BR, @ptrCast(e)) },
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.button => .{ .HTMLButtonElement = @as(*parser.Button, @ptrCast(e)) },
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.canvas => .{ .HTMLCanvasElement = @as(*parser.Canvas, @ptrCast(e)) },
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.dl => .{ .HTMLDListElement = @as(*parser.DList, @ptrCast(e)) },
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.data => .{ .HTMLDataElement = @as(*parser.Data, @ptrCast(e)) },
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.datalist => .{ .HTMLDataListElement = @as(*parser.DataList, @ptrCast(e)) },
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.dialog => .{ .HTMLDialogElement = @as(*parser.Dialog, @ptrCast(e)) },
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.dir => .{ .HTMLDirectoryElement = @as(*parser.Directory, @ptrCast(e)) },
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.div => .{ .HTMLDivElement = @as(*parser.Div, @ptrCast(e)) },
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.embed => .{ .HTMLEmbedElement = @as(*parser.Embed, @ptrCast(e)) },
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.fieldset => .{ .HTMLFieldSetElement = @as(*parser.FieldSet, @ptrCast(e)) },
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.font => .{ .HTMLFontElement = @as(*parser.Font, @ptrCast(e)) },
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.form => .{ .HTMLFormElement = @as(*parser.Form, @ptrCast(e)) },
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.frame => .{ .HTMLFrameElement = @as(*parser.Frame, @ptrCast(e)) },
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.frameset => .{ .HTMLFrameSetElement = @as(*parser.FrameSet, @ptrCast(e)) },
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.hr => .{ .HTMLHRElement = @as(*parser.HR, @ptrCast(e)) },
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.head => .{ .HTMLHeadElement = @as(*parser.Head, @ptrCast(e)) },
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.h1, .h2, .h3, .h4, .h5, .h6 => .{ .HTMLHeadingElement = @as(*parser.Heading, @ptrCast(e)) },
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.html => .{ .HTMLHtmlElement = @as(*parser.Html, @ptrCast(e)) },
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.iframe => .{ .HTMLIFrameElement = @as(*parser.IFrame, @ptrCast(e)) },
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.img => .{ .HTMLImageElement = @as(*parser.Image, @ptrCast(e)) },
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.input => .{ .HTMLInputElement = @as(*parser.Input, @ptrCast(e)) },
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.li => .{ .HTMLLIElement = @as(*parser.LI, @ptrCast(e)) },
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.label => .{ .HTMLLabelElement = @as(*parser.Label, @ptrCast(e)) },
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.legend => .{ .HTMLLegendElement = @as(*parser.Legend, @ptrCast(e)) },
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.link => .{ .HTMLLinkElement = @as(*parser.Link, @ptrCast(e)) },
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.map => .{ .HTMLMapElement = @as(*parser.Map, @ptrCast(e)) },
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.meta => .{ .HTMLMetaElement = @as(*parser.Meta, @ptrCast(e)) },
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.meter => .{ .HTMLMeterElement = @as(*parser.Meter, @ptrCast(e)) },
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.ins, .del => .{ .HTMLModElement = @as(*parser.Mod, @ptrCast(e)) },
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.ol => .{ .HTMLOListElement = @as(*parser.OList, @ptrCast(e)) },
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.object => .{ .HTMLObjectElement = @as(*parser.Object, @ptrCast(e)) },
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.optgroup => .{ .HTMLOptGroupElement = @as(*parser.OptGroup, @ptrCast(e)) },
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.option => .{ .HTMLOptionElement = @as(*parser.Option, @ptrCast(e)) },
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.output => .{ .HTMLOutputElement = @as(*parser.Output, @ptrCast(e)) },
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.p => .{ .HTMLParagraphElement = @as(*parser.Paragraph, @ptrCast(e)) },
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.param => .{ .HTMLParamElement = @as(*parser.Param, @ptrCast(e)) },
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.picture => .{ .HTMLPictureElement = @as(*parser.Picture, @ptrCast(e)) },
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.pre => .{ .HTMLPreElement = @as(*parser.Pre, @ptrCast(e)) },
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.progress => .{ .HTMLProgressElement = @as(*parser.Progress, @ptrCast(e)) },
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.blockquote, .q => .{ .HTMLQuoteElement = @as(*parser.Quote, @ptrCast(e)) },
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.script => .{ .HTMLScriptElement = @as(*parser.Script, @ptrCast(e)) },
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.select => .{ .HTMLSelectElement = @as(*parser.Select, @ptrCast(e)) },
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.source => .{ .HTMLSourceElement = @as(*parser.Source, @ptrCast(e)) },
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.span => .{ .HTMLSpanElement = @as(*parser.Span, @ptrCast(e)) },
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.style => .{ .HTMLStyleElement = @as(*parser.Style, @ptrCast(e)) },
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.table => .{ .HTMLTableElement = @as(*parser.Table, @ptrCast(e)) },
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.caption => .{ .HTMLTableCaptionElement = @as(*parser.TableCaption, @ptrCast(e)) },
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.th, .td => .{ .HTMLTableCellElement = @as(*parser.TableCell, @ptrCast(e)) },
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.col, .colgroup => .{ .HTMLTableColElement = @as(*parser.TableCol, @ptrCast(e)) },
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.tr => .{ .HTMLTableRowElement = @as(*parser.TableRow, @ptrCast(e)) },
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.thead, .tbody, .tfoot => .{ .HTMLTableSectionElement = @as(*parser.TableSection, @ptrCast(e)) },
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.template => .{ .HTMLTemplateElement = @as(*parser.Template, @ptrCast(e)) },
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.textarea => .{ .HTMLTextAreaElement = @as(*parser.TextArea, @ptrCast(e)) },
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.time => .{ .HTMLTimeElement = @as(*parser.Time, @ptrCast(e)) },
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.title => .{ .HTMLTitleElement = @as(*parser.Title, @ptrCast(e)) },
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.track => .{ .HTMLTrackElement = @as(*parser.Track, @ptrCast(e)) },
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.ul => .{ .HTMLUListElement = @as(*parser.UList, @ptrCast(e)) },
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.video => .{ .HTMLVideoElement = @as(*parser.Video, @ptrCast(e)) },
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.undef => .{ .HTMLUnknownElement = @as(*parser.Unknown, @ptrCast(e)) },
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};
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}
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@@ -328,6 +328,24 @@ pub const Tag = enum(u8) {
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else => upperName(@tagName(tag)),
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};
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}
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pub fn fromString(tagname: []const u8) !Tag {
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inline for (@typeInfo(Tag).@"enum".fields) |field| {
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if (std.ascii.eqlIgnoreCase(field.name, tagname)) {
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return @enumFromInt(field.value);
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}
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}
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return error.Invalid;
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}
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const testing = @import("../testing.zig");
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test "Tag.elementTag" {
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try testing.expect(try Tag.fromString("ABBR") == .abbr);
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try testing.expect(try Tag.fromString("abbr") == .abbr);
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try testing.expect(Tag.fromString("foo") == error.Invalid);
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}
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};
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// DOMException
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@@ -1577,6 +1595,15 @@ fn elementVtable(elem: *Element) c.dom_element_vtable {
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return getVtable(c.dom_element_vtable, Element, elem);
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}
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pub fn elementGetTagName(elem: *Element) !?[]const u8 {
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var s: ?*String = undefined;
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const err = elementVtable(elem).dom_element_get_tag_name.?(elem, &s);
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try DOMErr(err);
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if (s == null) return null;
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return strToData(s.?);
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}
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pub fn elementGetAttribute(elem: *Element, name: []const u8) !?[]const u8 {
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var s: ?*String = undefined;
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const err = elementVtable(elem).dom_element_get_attribute.?(elem, try strFromData(name), &s);
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