intl/hyphenation/glue/nsHyphenator.h

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* This Source Code Form is subject to the terms of the Mozilla Public
   3  * License, v. 2.0. If a copy of the MPL was not distributed with this
   4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   5
   6 #ifndef nsHyphenator_h__
   7 #define nsHyphenator_h__
   8
   9 #include "base/shared_memory.h"
  10 #include "mozilla/UniquePtr.h"
  11 #include "mozilla/Variant.h"
  12 #include "nsCOMPtr.h"
  13 #include "nsString.h"
  14 #include "nsTArray.h"
  15
  16 class nsIURI;
  17 struct HyphDic;
  18 struct CompiledData;
  19
  20 namespace mozilla {
  21 template <>
  22 class DefaultDelete<const HyphDic> {
  23  public:
  24   void operator()(const HyphDic* ptr) const;
  25 };
  26
  27 template <>
  28 class DefaultDelete<const CompiledData> {
  29  public:
  30   void operator()(const CompiledData* ptr) const;
  31 };
  32 }  // namespace mozilla
  33
  34 class nsHyphenator {
  35  public:
  36   nsHyphenator(nsIURI* aURI, bool aHyphenateCapitalized);
  37
  38   NS_INLINE_DECL_REFCOUNTING(nsHyphenator)
  39
  40   bool IsValid();
  41
  42   nsresult Hyphenate(const nsAString& aText, nsTArray<bool>& aHyphens);
  43
  44   void CloneHandle(base::SharedMemoryHandle* aOutHandle, uint32_t* aOutSize);
  45
  46  private:
  47   ~nsHyphenator() = default;
  48
  49   void HyphenateWord(const nsAString& aString, uint32_t aStart, uint32_t aLimit,
  50                      nsTArray<bool>& aHyphens);
  51
  52   mozilla::Variant<const void*,  // raw pointer to uncompressed omnijar data
  53                    mozilla::UniquePtr<base::SharedMemory>,  // shmem block
  54                    mozilla::UniquePtr<const HyphDic>  // loaded by mapped_hyph
  55                    >
  56       mDict;
  57   uint32_t mDictSize;  // size of mDict data (not used if type is HyphDic)
  58   bool mHyphenateCapitalized;
  59 };
  60
  61 #endif  // nsHyphenator_h__