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LibWeb: Port CharacterData from DeprecatedString to String

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The existing implementation has some pre-existing issues where it is
incorrectly assumes that byte offsets are given through the IDL instead
of UTF-16 code units. While making these changes, leave some FIXMEs for
that.
This commit is contained in:
Shannon Booth 2023-09-07 21:36:05 +12:00 • committed by Andreas Kling
parent 3b12a13f17
commit b603e860af
18 changed files with 87 additions and 81 deletions
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21
Userland/Libraries/LibWeb/DOM/Node.cpp
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@ -162,7 +162,7 @@ Optional<String> Node::text_content() const
// If CharacterData, return this’s data.
if (is<CharacterData>(this))
return MUST(String::from_deprecated_string(static_cast<CharacterData const&>(*this).data()));
return static_cast<CharacterData const&>(*this).data();
// If Attr node, return this's value.
if (is<Attr>(*this))
@ -188,7 +188,7 @@ void Node::set_text_content(Optional<String> const& maybe_content)
else if (is<CharacterData>(this)) {
auto* character_data_node = verify_cast<CharacterData>(this);
character_data_node->set_data(content);
character_data_node->set_data(MUST(String::from_deprecated_string(content)));
// FIXME: CharacterData::set_data is not spec compliant. Make this match the spec when set_data becomes spec compliant.
// Do note that this will make this function able to throw an exception.
@ -217,7 +217,7 @@ Optional<String> Node::node_value() const
// If CharacterData, return this’s data.
if (is<CharacterData>(this)) {
return MUST(String::from_deprecated_string(verify_cast<CharacterData>(this)->data()));
return verify_cast<CharacterData>(this)->data();
}
// Otherwise, return null.
@ -236,7 +236,7 @@ void Node::set_node_value(Optional<String> const& maybe_value)
verify_cast<Attr>(this)->set_value(value.to_deprecated_string());
} else if (is<CharacterData>(this)) {
// If CharacterData, replace data with node this, offset 0, count this’s length, and data the given value.
verify_cast<CharacterData>(this)->set_data(value.to_deprecated_string());
verify_cast<CharacterData>(this)->set_data(value);
}
// Otherwise, do nothing.
@ -854,21 +854,21 @@ JS::NonnullGCPtr<Node> Node::clone_node(Document* document, bool clone_children)
auto text = verify_cast<Text>(this);
// Set copy’s data to that of node.
auto text_copy = heap().allocate<Text>(realm(), *document, MUST(String::from_deprecated_string(text->data())));
auto text_copy = heap().allocate<Text>(realm(), *document, text->data());
copy = move(text_copy);
} else if (is<Comment>(this)) {
// Comment
auto comment = verify_cast<Comment>(this);
// Set copy’s data to that of node.
auto comment_copy = heap().allocate<Comment>(realm(), *document, MUST(String::from_deprecated_string(comment->data())));
auto comment_copy = heap().allocate<Comment>(realm(), *document, comment->data());
copy = move(comment_copy);
} else if (is<ProcessingInstruction>(this)) {
// ProcessingInstruction
auto processing_instruction = verify_cast<ProcessingInstruction>(this);
// Set copy’s target and data to those of node.
auto processing_instruction_copy = heap().allocate<ProcessingInstruction>(realm(), *document, processing_instruction->data(), processing_instruction->target());
auto processing_instruction_copy = heap().allocate<ProcessingInstruction>(realm(), *document, processing_instruction->data().to_deprecated_string(), processing_instruction->target());
copy = processing_instruction_copy;
}
// Otherwise, Do nothing.
@ -1143,7 +1143,7 @@ bool Node::is_uninteresting_whitespace_node() const
{
if (!is<Text>(*this))
return false;
if (!static_cast<Text const&>(*this).data().is_whitespace())
if (!static_cast<Text const&>(*this).data().bytes_as_string_view().is_whitespace())
return false;
if (!layout_node())
return true;
@ -1491,7 +1491,8 @@ size_t Node::length() const
// 2. If node is a CharacterData node, then return node’s data’s length.
if (is_character_data()) {
auto* character_data_node = verify_cast<CharacterData>(this);
return character_data_node->data().length();
// FIXME: This should be in UTF-16 code units, not byte size.
return character_data_node->data().bytes().size();
}
// 3. Return the number of node’s children.
@ -1874,7 +1875,7 @@ ErrorOr<String> Node::name_or_description(NameOrDescription target, Document con
// G. Otherwise, if the current node is a Text node, return its textual contents.
if (is_text()) {
auto const* text_node = static_cast<DOM::Text const*>(this);
return String::from_deprecated_string(text_node->data());
return text_node->data();
}
// TODO: H. Otherwise, if the current node is a descendant of an element whose Accessible Name or Accessible Description is being computed, and contains descendants, proceed to 2F.i.