third_party/WebKit/Source/bindings/core/v8/ScriptString.h

/*
 * Copyright (C) 2013 Google Inc. All rights reserved.
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 * modification, are permitted provided that the following conditions are
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 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
 * distribution.
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 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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#ifndef ScriptString_h
#define ScriptString_h

#include "bindings/core/v8/SharedPersistent.h"
#include "wtf/Allocator.h"
#include "wtf/RefPtr.h"
#include "wtf/text/WTFString.h"
#include <v8.h>

namespace blink {

class ScriptString final {
  DISALLOW_NEW();

 public:
  ScriptString();
  ScriptString(v8::Isolate*, v8::Local<v8::String>);
  ScriptString& operator=(const ScriptString&);

  v8::Isolate* isolate() {
    if (!m_isolate)
      m_isolate = v8::Isolate::GetCurrent();
    return m_isolate;
  }
  bool isEmpty() const { return !m_string || m_string->isEmpty(); }
  void clear() { m_string = nullptr; }
  v8::Local<v8::String> v8Value();
  ScriptString concatenateWith(const String&);
  String flattenToString();

 private:
  v8::Isolate* m_isolate;
  RefPtr<SharedPersistent<v8::String>> m_string;
};

}  // namespace blink

#endif  // ScriptString_h