third_party/WebKit/Source/core/editing/SurroundingText.h

/*
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#ifndef SurroundingText_h
#define SurroundingText_h

#include "core/CoreExport.h"
#include "core/editing/EphemeralRange.h"
#include "core/editing/Position.h"
#include "platform/heap/Handle.h"
#include "platform/wtf/text/WTFString.h"

namespace blink {

class CORE_EXPORT SurroundingText {
  USING_FAST_MALLOC(SurroundingText);
  WTF_MAKE_NONCOPYABLE(SurroundingText);

 public:
  // TODO(editing-dev): We should introduce |Create()| function and make
  // constructor does nothing, since this constructor is too heavy.
  SurroundingText(const EphemeralRange&, unsigned max_length);

  String Content() const;
  unsigned StartOffsetInContent() const;
  unsigned EndOffsetInContent() const;

 private:
  void Initialize(const Position&, const Position&, unsigned max_length);

  Persistent<Range> content_range_;
  size_t start_offset_in_content_;
  size_t end_offset_in_content_;
};

}  // namespace blink

#endif  // SurroundingText_h