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https://github.com/lightpanda-io/browser.git
synced 2026-02-04 06:23:45 +00:00
remove eager event listener parsing
This commit is contained in:
Halil Durak
@@ -2273,236 +2273,6 @@ fn populateElementAttributes(self: *Page, element: *Element, list: anytype) !voi
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}
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var attributes = try element.createAttributeList(self);
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while (list.next()) |attr| {
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// Event handlers can be provided like attributes; here we check if there's such.
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const name = attr.name.local;
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lp.assert(name.len != 0, "populateElementAttributes: 0-length attr name", .{ .attr = attr });
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// Idea here is to make this check as cheap as possible.
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const has_on_prefix = @as(u16, @bitCast([2]u8{ name.ptr[0], name.ptr[1 % name.len] })) == asUint("on");
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// We may have found an event handler.
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if (has_on_prefix) {
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// Must be usable as function.
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const func = self.js.stringToPersistedFunction(attr.value.slice()) catch continue;
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// Longest known listener kind is 32 bytes long.
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const remaining: u6 = @truncate(name.len -| 2);
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const unsafe = name.ptr + 2;
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const Vec16x8 = @Vector(16, u8);
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const Vec32x8 = @Vector(32, u8);
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switch (remaining) {
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3 => if (@as(u24, @bitCast(unsafe[0..3].*)) == asUint("cut")) {
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try self.setAttrListener(element, .cut, func);
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},
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4 => switch (@as(u32, @bitCast(unsafe[0..4].*))) {
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asUint("blur") => try self.setAttrListener(element, .blur, func),
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asUint("copy") => try self.setAttrListener(element, .copy, func),
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asUint("drag") => try self.setAttrListener(element, .drag, func),
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asUint("drop") => try self.setAttrListener(element, .drop, func),
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asUint("load") => try self.setAttrListener(element, .load, func),
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asUint("play") => try self.setAttrListener(element, .play, func),
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else => {},
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},
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5 => switch (@as(u40, @bitCast(unsafe[0..5].*))) {
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asUint("abort") => try self.setAttrListener(element, .abort, func),
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asUint("click") => try self.setAttrListener(element, .click, func),
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asUint("close") => try self.setAttrListener(element, .close, func),
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asUint("ended") => try self.setAttrListener(element, .ended, func),
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asUint("error") => try self.setAttrListener(element, .@"error", func),
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asUint("focus") => try self.setAttrListener(element, .focus, func),
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asUint("input") => try self.setAttrListener(element, .input, func),
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asUint("keyup") => try self.setAttrListener(element, .keyup, func),
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asUint("paste") => try self.setAttrListener(element, .paste, func),
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asUint("pause") => try self.setAttrListener(element, .pause, func),
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asUint("reset") => try self.setAttrListener(element, .reset, func),
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asUint("wheel") => try self.setAttrListener(element, .wheel, func),
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else => {},
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},
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6 => switch (@as(u48, @bitCast(unsafe[0..6].*))) {
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asUint("cancel") => try self.setAttrListener(element, .cancel, func),
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asUint("change") => try self.setAttrListener(element, .change, func),
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asUint("resize") => try self.setAttrListener(element, .resize, func),
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asUint("scroll") => try self.setAttrListener(element, .scroll, func),
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asUint("seeked") => try self.setAttrListener(element, .seeked, func),
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asUint("select") => try self.setAttrListener(element, .select, func),
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asUint("submit") => try self.setAttrListener(element, .submit, func),
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asUint("toggle") => try self.setAttrListener(element, .toggle, func),
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else => {},
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},
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7 => switch (@as(u56, @bitCast(unsafe[0..7].*))) {
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asUint("canplay") => try self.setAttrListener(element, .canplay, func),
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asUint("command") => try self.setAttrListener(element, .command, func),
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asUint("dragend") => try self.setAttrListener(element, .dragend, func),
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asUint("emptied") => try self.setAttrListener(element, .emptied, func),
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asUint("invalid") => try self.setAttrListener(element, .invalid, func),
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asUint("keydown") => try self.setAttrListener(element, .keydown, func),
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asUint("mouseup") => try self.setAttrListener(element, .mouseup, func),
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asUint("playing") => try self.setAttrListener(element, .playing, func),
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asUint("seeking") => try self.setAttrListener(element, .seeking, func),
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asUint("stalled") => try self.setAttrListener(element, .stalled, func),
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asUint("suspend") => try self.setAttrListener(element, .@"suspend", func),
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asUint("waiting") => try self.setAttrListener(element, .waiting, func),
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else => {},
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},
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8 => switch (@as(u64, @bitCast(unsafe[0..8].*))) {
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asUint("auxclick") => try self.setAttrListener(element, .auxclick, func),
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asUint("dblclick") => try self.setAttrListener(element, .dblclick, func),
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asUint("dragexit") => try self.setAttrListener(element, .dragexit, func),
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asUint("dragover") => try self.setAttrListener(element, .dragover, func),
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asUint("formdata") => try self.setAttrListener(element, .formdata, func),
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asUint("keypress") => try self.setAttrListener(element, .keypress, func),
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asUint("mouseout") => try self.setAttrListener(element, .mouseout, func),
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asUint("progress") => try self.setAttrListener(element, .progress, func),
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else => {},
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},
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// Won't fit to 64-bit integer; we do 2 checks.
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9 => switch (@as(u64, @bitCast(unsafe[0..8].*))) {
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asUint("cuechang") => if (unsafe[8] == 'e') try self.setAttrListener(element, .cuechange, func),
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asUint("dragente") => if (unsafe[8] == 'r') try self.setAttrListener(element, .dragenter, func),
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asUint("dragleav") => if (unsafe[8] == 'e') try self.setAttrListener(element, .dragleave, func),
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asUint("dragstar") => if (unsafe[8] == 't') try self.setAttrListener(element, .dragstart, func),
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asUint("loadstar") => if (unsafe[8] == 't') try self.setAttrListener(element, .loadstart, func),
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asUint("mousedow") => if (unsafe[8] == 'n') try self.setAttrListener(element, .mousedown, func),
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asUint("mousemov") => if (unsafe[8] == 'e') try self.setAttrListener(element, .mousemove, func),
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asUint("mouseove") => if (unsafe[8] == 'r') try self.setAttrListener(element, .mouseover, func),
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asUint("pointeru") => if (unsafe[8] == 'p') try self.setAttrListener(element, .pointerup, func),
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asUint("scrollen") => if (unsafe[8] == 'd') try self.setAttrListener(element, .scrollend, func),
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else => {},
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},
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10 => switch (@as(u64, @bitCast(unsafe[0..8].*))) {
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asUint("loadedda") => if (asUint("ta") == @as(u16, @bitCast(unsafe[8..10].*)))
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try self.setAttrListener(element, .loadeddata, func),
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asUint("pointero") => if (asUint("ut") == @as(u16, @bitCast(unsafe[8..10].*)))
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try self.setAttrListener(element, .pointerout, func),
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asUint("ratechan") => if (asUint("ge") == @as(u16, @bitCast(unsafe[8..10].*)))
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try self.setAttrListener(element, .ratechange, func),
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asUint("slotchan") => if (asUint("ge") == @as(u16, @bitCast(unsafe[8..10].*)))
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try self.setAttrListener(element, .slotchange, func),
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asUint("timeupda") => if (asUint("te") == @as(u16, @bitCast(unsafe[8..10].*)))
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try self.setAttrListener(element, .timeupdate, func),
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else => {},
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},
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11 => switch (@as(u64, @bitCast(unsafe[0..8].*))) {
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asUint("beforein") => if (asUint("put") == @as(u24, @bitCast(unsafe[8..11].*)))
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try self.setAttrListener(element, .beforeinput, func),
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asUint("beforema") => if (asUint("tch") == @as(u24, @bitCast(unsafe[8..11].*)))
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try self.setAttrListener(element, .beforematch, func),
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asUint("contextl") => if (asUint("ost") == @as(u24, @bitCast(unsafe[8..11].*)))
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try self.setAttrListener(element, .contextlost, func),
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asUint("contextm") => if (asUint("enu") == @as(u24, @bitCast(unsafe[8..11].*)))
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try self.setAttrListener(element, .contextmenu, func),
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asUint("pointerd") => if (asUint("own") == @as(u24, @bitCast(unsafe[8..11].*)))
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try self.setAttrListener(element, .pointerdown, func),
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asUint("pointerm") => if (asUint("ove") == @as(u24, @bitCast(unsafe[8..11].*)))
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try self.setAttrListener(element, .pointermove, func),
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asUint("pointero") => if (asUint("ver") == @as(u24, @bitCast(unsafe[8..11].*)))
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try self.setAttrListener(element, .pointerover, func),
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asUint("selectst") => if (asUint("art") == @as(u24, @bitCast(unsafe[8..11].*)))
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try self.setAttrListener(element, .selectstart, func),
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else => {},
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},
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12 => switch (@as(u64, @bitCast(unsafe[0..8].*))) {
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asUint("animatio") => if (asUint("nend") == @as(u32, @bitCast(unsafe[8..12].*)))
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try self.setAttrListener(element, .animationend, func),
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asUint("beforeto") => if (asUint("ggle") == @as(u32, @bitCast(unsafe[8..12].*)))
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try self.setAttrListener(element, .beforetoggle, func),
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asUint("pointere") => if (asUint("nter") == @as(u32, @bitCast(unsafe[8..12].*)))
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try self.setAttrListener(element, .pointerenter, func),
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asUint("pointerl") => if (asUint("eave") == @as(u32, @bitCast(unsafe[8..12].*)))
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try self.setAttrListener(element, .pointerleave, func),
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asUint("volumech") => if (asUint("ange") == @as(u32, @bitCast(unsafe[8..12].*)))
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try self.setAttrListener(element, .volumechange, func),
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else => {},
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},
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13 => switch (@as(u64, @bitCast(unsafe[0..8].*))) {
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asUint("pointerc") => if (asUint("ancel") == @as(u40, @bitCast(unsafe[8..13].*)))
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try self.setAttrListener(element, .pointercancel, func),
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asUint("transiti") => switch (@as(u40, @bitCast(unsafe[8..13].*))) {
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asUint("onend") => try self.setAttrListener(element, .transitionend, func),
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asUint("onrun") => try self.setAttrListener(element, .transitionrun, func),
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else => {},
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},
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else => {},
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},
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14 => switch (@as(u64, @bitCast(unsafe[0..8].*))) {
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asUint("animatio") => if (asUint("nstart") == @as(u48, @bitCast(unsafe[8..14].*)))
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try self.setAttrListener(element, .animationstart, func),
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asUint("canplayt") => if (asUint("hrough") == @as(u48, @bitCast(unsafe[8..14].*)))
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try self.setAttrListener(element, .canplaythrough, func),
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asUint("duration") => if (asUint("change") == @as(u48, @bitCast(unsafe[8..14].*)))
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try self.setAttrListener(element, .durationchange, func),
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asUint("loadedme") => if (asUint("tadata") == @as(u48, @bitCast(unsafe[8..14].*)))
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try self.setAttrListener(element, .loadedmetadata, func),
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else => {},
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},
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15 => switch (@as(u64, @bitCast(unsafe[0..8].*))) {
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asUint("animatio") => if (asUint("ncancel") == @as(u56, @bitCast(unsafe[8..15].*)))
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try self.setAttrListener(element, .animationcancel, func),
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asUint("contextr") => if (asUint("estored") == @as(u56, @bitCast(unsafe[8..15].*)))
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try self.setAttrListener(element, .contextrestored, func),
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asUint("fullscre") => if (asUint("enerror") == @as(u56, @bitCast(unsafe[8..15].*)))
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try self.setAttrListener(element, .fullscreenerror, func),
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asUint("selectio") => if (asUint("nchange") == @as(u56, @bitCast(unsafe[8..15].*)))
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try self.setAttrListener(element, .selectionchange, func),
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asUint("transiti") => if (asUint("onstart") == @as(u56, @bitCast(unsafe[8..15].*)))
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try self.setAttrListener(element, .transitionstart, func),
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else => {},
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},
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// Can't switch on vector types.
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16 => {
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const as_vector: Vec16x8 = unsafe[0..16].*;
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if (@reduce(.And, as_vector == @as(Vec16x8, "fullscreenchange".*))) {
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try self.setAttrListener(element, .fullscreenchange, func);
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} else if (@reduce(.And, as_vector == @as(Vec16x8, "pointerrawupdate".*))) {
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try self.setAttrListener(element, .pointerrawupdate, func);
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} else if (@reduce(.And, as_vector == @as(Vec16x8, "transitioncancel".*))) {
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try self.setAttrListener(element, .transitioncancel, func);
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}
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},
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17 => {
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const as_vector: Vec16x8 = unsafe[0..16].*;
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const dirty = @reduce(.And, as_vector == @as(Vec16x8, "gotpointercaptur".*)) and
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unsafe[16] == 'e';
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if (dirty) {
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try self.setAttrListener(element, .gotpointercapture, func);
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}
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},
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18 => {
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const as_vector: Vec16x8 = unsafe[0..16].*;
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const is_animationiteration = @reduce(.And, as_vector == @as(Vec16x8, "animationiterati".*)) and
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asUint("on") == @as(u16, @bitCast(unsafe[16..18].*));
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if (is_animationiteration) {
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try self.setAttrListener(element, .animationiteration, func);
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} else {
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const is_lostpointercapture = @reduce(.And, as_vector == @as(Vec16x8, "lostpointercaptu".*)) and
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asUint("re") == @as(u16, @bitCast(unsafe[16..18].*));
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if (is_lostpointercapture) {
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try self.setAttrListener(element, .lostpointercapture, func);
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}
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}
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},
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23 => {
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const as_vector: Vec16x8 = unsafe[0..16].*;
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const dirty = @reduce(.And, as_vector == @as(Vec16x8, "securitypolicyvi".*)) and
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asUint("olation") == @as(u56, @bitCast(unsafe[16..23].*));
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if (dirty) {
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try self.setAttrListener(element, .securitypolicyviolation, func);
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}
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},
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32 => {
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const as_vector: Vec32x8 = unsafe[0..32].*;
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if (@reduce(.And, as_vector == @as(Vec32x8, "contentvisibilityautostatechange".*))) {
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try self.setAttrListener(element, .contentvisibilityautostatechange, func);
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}
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},
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else => {},
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}
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}
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try attributes.putNew(attr.name.local.slice(), attr.value.slice(), self);
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}
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}
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