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// Copyright 2019 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.
#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_NG_INLINE_NG_TEXT_OFFSET_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_NG_INLINE_NG_TEXT_OFFSET_H_
#include "base/check_op.h"
#include "third_party/blink/renderer/core/core_export.h"
namespace blink {
// Represents a range of text, as a |start| and |end| offset pair.
struct CORE_EXPORT NGTextOffset {
NGTextOffset() = default;
NGTextOffset(unsigned start, unsigned end) : start(start), end(end) {
AssertValid();
}
unsigned Length() const {
AssertValid();
return end - start;
}
void AssertValid() const { DCHECK_GE(end, start); }
void AssertNotEmpty() const { DCHECK_GT(end, start); }
unsigned start;
unsigned end;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_NG_INLINE_NG_TEXT_OFFSET_H_
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