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LibWeb: Use TraversalDecision for multi level Node traversal methods
This adds the `SkipChildrenAndContinue` option, where traversal continues but child nodes are not included.
This commit is contained in:
Tim Ledbetter
Andrew Kaster
parent
c57d395a48
commit
398bf10b92
Notes:
sideshowbarker
2024-07-17 08:59:18 +09:00
Author: https://github.com/tcl3
Commit: 398bf10b92
Pull-request: https://github.com/SerenityOS/serenity/pull/24207
Reviewed-by: https://github.com/ADKaster ✅
Reviewed-by: https://github.com/AtkinsSJ
Reviewed-by: https://github.com/shannonbooth ✅
33 changed files with 229 additions and 215 deletions
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@ -11,6 +11,7 @@
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#include <LibJS/Heap/Cell.h>
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#include <LibJS/Heap/GCPtr.h>
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#include <LibWeb/Forward.h>
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#include <LibWeb/TraversalDecision.h>
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namespace Web {
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@ -124,95 +125,95 @@ public:
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}
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template<typename Callback>
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IterationDecision for_each_in_inclusive_subtree(Callback callback) const
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TraversalDecision for_each_in_inclusive_subtree(Callback callback) const
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{
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if (callback(static_cast<T const&>(*this)) == IterationDecision::Break)
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return IterationDecision::Break;
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if (auto decision = callback(static_cast<T const&>(*this)); decision != TraversalDecision::Continue)
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return decision;
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for (auto* child = first_child(); child; child = child->next_sibling()) {
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if (child->for_each_in_inclusive_subtree(callback) == IterationDecision::Break)
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return IterationDecision::Break;
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return TraversalDecision::Break;
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}
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return IterationDecision::Continue;
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return TraversalDecision::Continue;
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}
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template<typename Callback>
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IterationDecision for_each_in_inclusive_subtree(Callback callback)
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TraversalDecision for_each_in_inclusive_subtree(Callback callback)
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{
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if (callback(static_cast<T&>(*this)) == IterationDecision::Break)
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return IterationDecision::Break;
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if (auto decision = callback(static_cast<T&>(*this)); decision != TraversalDecision::Continue)
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return decision;
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for (auto* child = first_child(); child; child = child->next_sibling()) {
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if (child->for_each_in_inclusive_subtree(callback) == IterationDecision::Break)
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return IterationDecision::Break;
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if (child->for_each_in_inclusive_subtree(callback) == TraversalDecision::Break)
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return TraversalDecision::Break;
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}
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return IterationDecision::Continue;
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return TraversalDecision::Continue;
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}
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template<typename U, typename Callback>
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IterationDecision for_each_in_inclusive_subtree_of_type(Callback callback)
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TraversalDecision for_each_in_inclusive_subtree_of_type(Callback callback)
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{
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if (is<U>(static_cast<T const&>(*this))) {
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if (callback(static_cast<U&>(*this)) == IterationDecision::Break)
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return IterationDecision::Break;
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if (auto decision = callback(static_cast<U&>(*this)); decision != TraversalDecision::Continue)
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return decision;
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}
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for (auto* child = first_child(); child; child = child->next_sibling()) {
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if (child->template for_each_in_inclusive_subtree_of_type<U>(callback) == IterationDecision::Break)
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return IterationDecision::Break;
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if (child->template for_each_in_inclusive_subtree_of_type<U>(callback) == TraversalDecision::Break)
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return TraversalDecision::Break;
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}
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return IterationDecision::Continue;
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return TraversalDecision::Continue;
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}
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template<typename U, typename Callback>
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IterationDecision for_each_in_inclusive_subtree_of_type(Callback callback) const
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TraversalDecision for_each_in_inclusive_subtree_of_type(Callback callback) const
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{
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if (is<U>(static_cast<T const&>(*this))) {
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if (callback(static_cast<U const&>(*this)) == IterationDecision::Break)
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return IterationDecision::Break;
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if (auto decision = callback(static_cast<U const&>(*this)); decision != TraversalDecision::Continue)
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return decision;
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}
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for (auto* child = first_child(); child; child = child->next_sibling()) {
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if (child->template for_each_in_inclusive_subtree_of_type<U>(callback) == IterationDecision::Break)
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return IterationDecision::Break;
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if (child->template for_each_in_inclusive_subtree_of_type<U>(callback) == TraversalDecision::Break)
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return TraversalDecision::Break;
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}
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return IterationDecision::Continue;
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return TraversalDecision::Continue;
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}
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template<typename Callback>
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IterationDecision for_each_in_subtree(Callback callback) const
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TraversalDecision for_each_in_subtree(Callback callback) const
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{
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for (auto* child = first_child(); child; child = child->next_sibling()) {
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if (child->for_each_in_inclusive_subtree(callback) == IterationDecision::Break)
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return IterationDecision::Break;
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if (child->for_each_in_inclusive_subtree(callback) == TraversalDecision::Break)
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return TraversalDecision::Break;
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}
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return IterationDecision::Continue;
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return TraversalDecision::Continue;
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}
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template<typename Callback>
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IterationDecision for_each_in_subtree(Callback callback)
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TraversalDecision for_each_in_subtree(Callback callback)
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{
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for (auto* child = first_child(); child; child = child->next_sibling()) {
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if (child->for_each_in_inclusive_subtree(callback) == IterationDecision::Break)
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return IterationDecision::Break;
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if (child->for_each_in_inclusive_subtree(callback) == TraversalDecision::Break)
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return TraversalDecision::Break;
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}
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return IterationDecision::Continue;
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return TraversalDecision::Continue;
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}
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template<typename U, typename Callback>
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IterationDecision for_each_in_subtree_of_type(Callback callback)
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TraversalDecision for_each_in_subtree_of_type(Callback callback)
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{
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for (auto* child = first_child(); child; child = child->next_sibling()) {
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if (child->template for_each_in_inclusive_subtree_of_type<U>(callback) == IterationDecision::Break)
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return IterationDecision::Break;
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if (child->template for_each_in_inclusive_subtree_of_type<U>(callback) == TraversalDecision::Break)
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return TraversalDecision::Break;
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}
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return IterationDecision::Continue;
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return TraversalDecision::Continue;
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}
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template<typename U, typename Callback>
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IterationDecision for_each_in_subtree_of_type(Callback callback) const
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TraversalDecision for_each_in_subtree_of_type(Callback callback) const
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{
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for (auto* child = first_child(); child; child = child->next_sibling()) {
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if (child->template for_each_in_inclusive_subtree_of_type<U>(callback) == IterationDecision::Break)
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return IterationDecision::Break;
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if (child->template for_each_in_inclusive_subtree_of_type<U>(callback) == TraversalDecision::Break)
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return TraversalDecision::Break;
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}
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return IterationDecision::Continue;
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return TraversalDecision::Continue;
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}
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template<typename Callback>
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