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markdown: refactor content discovery to use TreeWalker

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Adrià Arrufat
2026-03-05 14:36:15 +09:00
parent 3256a57230
commit 26db481d46
1 changed files with 17 additions and 18 deletions
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35
src/browser/markdown.zig
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@@ -20,6 +20,7 @@ const std = @import("std");
const Page = @import("Page.zig");
const URL = @import("URL.zig");
const TreeWalker = @import("webapi/TreeWalker.zig");
const CData = @import("webapi/CData.zig");
const Element = @import("webapi/Element.zig");
const Node = @import("webapi/Node.zig");
@@ -114,26 +115,24 @@ fn isAllWhitespace(text: []const u8) bool {
} else true;
}
fn hasBlockDescendant(node: *Node) bool {
var it = node.childrenIterator();
return while (it.next()) |child| {
if (child.is(Element)) |el| {
if (isBlock(el.getTag())) break true;
if (hasBlockDescendant(child)) break true;
}
} else false;
fn hasBlockDescendant(root: *Node) bool {
var tw = TreeWalker.FullExcludeSelf.Elements.init(root, .{});
while (tw.next()) |el| {
if (isBlock(el.getTag())) return true;
}
return false;
}
fn hasVisibleContent(node: *Node) bool {
var it = node.childrenIterator();
while (it.next()) |child| {
if (isSignificantText(child)) return true;
if (child.is(Element)) |el| {
if (!isVisibleElement(el)) continue;
// Images are visible
if (el.getTag() == .img) return true;
// Recursive check
if (hasVisibleContent(child)) return true;
fn hasVisibleContent(root: *Node) bool {
var tw = TreeWalker.FullExcludeSelf.init(root, .{});
while (tw.next()) |node| {
if (isSignificantText(node)) return true;
if (node.is(Element)) |el| {
if (!isVisibleElement(el)) {
tw.skipChildren();
} else if (el.getTag() == .img) {
return true;
}
}
}
return false;