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https://github.com/lightpanda-io/browser.git
synced 2026-03-22 04:34:44 +00:00
markdown: use node.is() for type checking and casting
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@@ -19,6 +19,7 @@
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const std = @import("std");
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const Page = @import("Page.zig");
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const CData = @import("webapi/CData.zig");
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const Element = @import("webapi/Element.zig");
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const Node = @import("webapi/Node.zig");
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@@ -68,24 +69,23 @@ fn isLayoutBlock(tag: Element.Tag) bool {
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fn isStandaloneAnchor(el: *Element) bool {
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const node = el.asNode();
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const parent = node.parentNode() orelse return false;
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const parent_el = parent.is(Element) orelse return false;
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if (parent._type != .element) return false;
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const parent_el = parent.as(Element);
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if (!isLayoutBlock(parent_el.getTag())) return false;
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var prev = node.previousSibling();
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while (prev) |p| : (prev = p.previousSibling()) {
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if (isSignificantText(p)) return false;
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if (p._type == .element) {
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if (isVisibleElement(p.as(Element))) break;
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if (p.is(Element)) |pe| {
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if (isVisibleElement(pe)) break;
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}
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}
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var next = node.nextSibling();
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while (next) |n| : (next = n.nextSibling()) {
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if (isSignificantText(n)) return false;
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if (n._type == .element) {
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if (isVisibleElement(n.as(Element))) break;
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if (n.is(Element)) |ne| {
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if (isVisibleElement(ne)) break;
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}
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}
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@@ -93,12 +93,8 @@ fn isStandaloneAnchor(el: *Element) bool {
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}
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fn isSignificantText(node: *Node) bool {
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if (node._type != .cdata) return false;
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const cd = node.as(Node.CData);
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if (node.is(Node.CData.Text)) |_| {
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return !isAllWhitespace(cd.getData());
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}
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return false;
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const text = node.is(Node.CData.Text) orelse return false;
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return !isAllWhitespace(text.getWholeText());
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}
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fn isVisibleElement(el: *Element) bool {
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@@ -117,8 +113,7 @@ fn isAllWhitespace(text: []const u8) bool {
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fn hasBlockDescendant(node: *Node) bool {
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var it = node.childrenIterator();
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while (it.next()) |child| {
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if (child._type == .element) {
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const el = child.as(Element);
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if (child.is(Element)) |el| {
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if (isBlock(el.getTag())) return true;
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if (hasBlockDescendant(child)) return true;
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}
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