nsHyphenator.h - mozsearch

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef nsHyphenator_h__

#define nsHyphenator_h__

#include "base/shared_memory.h"

#include "mozilla/UniquePtr.h"

#include "mozilla/Variant.h"

#include "nsCOMPtr.h"

#include "nsString.h"

#include "nsTArray.h"

class nsIURI;

struct HyphDic;

struct CompiledData;

namespace mozilla {

template <>

class DefaultDelete<const HyphDic> {

 public:

  void operator()(const HyphDic* ptr) const;

};

template <>

class DefaultDelete<const CompiledData> {

 public:

  void operator()(const CompiledData* ptr) const;

};

}  // namespace mozilla

class nsHyphenator {

 public:

  nsHyphenator(nsIURI* aURI, bool aHyphenateCapitalized);

  NS_INLINE_DECL_REFCOUNTING(nsHyphenator)

  bool IsValid();

  nsresult Hyphenate(const nsAString& aText, nsTArray<bool>& aHyphens);

  void CloneHandle(base::SharedMemoryHandle* aOutHandle, uint32_t* aOutSize);

 private:

  ~nsHyphenator() = default;

  void HyphenateWord(const nsAString& aString, uint32_t aStart, uint32_t aLimit,

                     nsTArray<bool>& aHyphens);

  mozilla::Variant<const void*,  // raw pointer to uncompressed omnijar data

                   mozilla::UniquePtr<base::SharedMemory>,  // shmem block

                   mozilla::UniquePtr<const HyphDic>  // loaded by mapped_hyph

      mDict;

  uint32_t mDictSize;  // size of mDict data (not used if type is HyphDic)

  bool mHyphenateCapitalized;

};

#endif  // nsHyphenator_h__