Index: third_party/WebKit/Source/core/editing/markers/EditingMarkerListThatMergesTouchingMarkers.cpp |
diff --git a/third_party/WebKit/Source/core/editing/markers/EditingMarkerListThatMergesTouchingMarkers.cpp b/third_party/WebKit/Source/core/editing/markers/EditingMarkerListThatMergesTouchingMarkers.cpp |
new file mode 100644 |
index 0000000000000000000000000000000000000000..8567f8425b82a5f04aacde233f84bf39c1deab2d |
--- /dev/null |
+++ b/third_party/WebKit/Source/core/editing/markers/EditingMarkerListThatMergesTouchingMarkers.cpp |
@@ -0,0 +1,44 @@ |
+// Copyright 2017 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#include "core/editing/markers/EditingMarkerListThatMergesTouchingMarkers.h" |
+ |
+#include <algorithm> |
+ |
+namespace blink { |
+ |
+EditingMarkerListThatMergesTouchingMarkers:: |
+ EditingMarkerListThatMergesTouchingMarkers( |
+ DocumentMarkerController* documentMarkerController) |
+ : EditingMarkerList(documentMarkerController) {} |
+ |
+static bool doesNotOverlap(const Member<DocumentMarker>& lhv, |
+ const DocumentMarker* rhv) { |
+ return lhv->endOffset() < rhv->startOffset(); |
+} |
+ |
+void EditingMarkerListThatMergesTouchingMarkers::insert( |
+ DocumentMarker* marker) { |
+ if (!m_markersAreSorted) |
+ sortMarkerList(); |
+ |
+ auto firstOverlappingIt = std::lower_bound(m_markers.begin(), m_markers.end(), |
+ marker, doesNotOverlap); |
+ size_t index = firstOverlappingIt - m_markers.begin(); |
+ m_markers.insert(index, marker); |
+ auto insertedIt = m_markers.begin() + index; |
+ for (auto it = insertedIt + 1; |
+ it != m_markers.end() && |
+ (*it)->startOffset() <= (*insertedIt)->endOffset();) { |
+ (*insertedIt) |
+ ->setStartOffset( |
+ std::min((*insertedIt)->startOffset(), (*it)->startOffset())); |
+ (*insertedIt) |
+ ->setEndOffset( |
+ std::max((*insertedIt)->endOffset(), (*it)->endOffset())); |
+ m_markers.remove(it - m_markers.begin()); |
+ } |
+} |
+ |
+} // namespace blink |