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characterdata: add previouselementSibling getter

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Signed-off-by: Francis Bouvier <francis.bouvier@gmail.com>
This commit is contained in:
Francis Bouvier
2023-10-02 17:29:27 +02:00
parent 202ee1646d
commit 7406b6d06c
2 changed files with 37 additions and 5 deletions
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17
src/dom/character_data.zig
View File

@@ -34,6 +34,14 @@ pub const CharacterData = struct {
return HTMLElem.toInterface(HTMLElem.Union, res.?);
}
pub fn get_previousElementSibling(self: *parser.CharacterData) ?HTMLElem.Union {
const res = parser.nodePreviousElementSibling(parser.characterDataToNode(self));
if (res == null) {
return null;
}
return HTMLElem.toInterface(HTMLElem.Union, res.?);
}
// Read/Write attributes
pub fn get_data(self: *parser.CharacterData) []const u8 {
@@ -88,4 +96,13 @@ pub fn testExecFn(
.{ .src = "cdata.nextElementSibling.localName === 'a' ", .ex = "true" },
};
try checkCases(js_env, &get_next_elem_sibling);
var get_prev_elem_sibling = [_]Case{
.{ .src = "cdata.previousElementSibling === null", .ex = "true" },
// create a prev element
.{ .src = "let prev = document.createElement('div')", .ex = "undefined" },
.{ .src = "link.insertBefore(prev, cdata) !== undefined", .ex = "true" },
.{ .src = "cdata.previousElementSibling.localName === 'div' ", .ex = "true" },
};
try checkCases(js_env, &get_prev_elem_sibling);
}

25
src/netsurf.zig
View File

@@ -270,14 +270,14 @@ pub fn nodeNextSibling(node: *Node) ?*Node {
pub fn nodeNextElementSibling(node: *Node) ?*Element {
var n = node;
while (true) {
const next = nodeNextSibling(n);
if (next == null) {
const res = nodeNextSibling(n);
if (res == null) {
return null;
}
if (nodeType(next.?) == .element) {
return @as(*Element, @ptrCast(next.?));
if (nodeType(res.?) == .element) {
return @as(*Element, @ptrCast(res.?));
}
n = next.?;
n = res.?;
}
return null;
}
@@ -288,6 +288,21 @@ pub fn nodePreviousSibling(node: *Node) ?*Node {
return res;
}
pub fn nodePreviousElementSibling(node: *Node) ?*Element {
var n = node;
while (true) {
const res = nodePreviousSibling(n);
if (res == null) {
return null;
}
if (nodeType(res.?) == .element) {
return @as(*Element, @ptrCast(res.?));
}
n = res.?;
}
return null;
}
pub fn nodeParentNode(node: *Node) ?*Node {
var res: ?*Node = undefined;
_ = nodeVtable(node).dom_node_get_parent_node.?(node, &res);