intl/locale/nsCollation.h
author Yoshi Huang <allstars.chh@mozilla.com>
Tue, 03 Nov 2015 09:50:54 +0800
changeset 295784 0e4c4db3b90ff45937cc1eab4b7bbd61f4674326
parent 253200 ac4464790ec4896a5188fa50cfc69ae0ffeddc08
child 370264 de2b0d90e2dafb22885e63e58a498525e340badc
permissions -rw-r--r--
Bug 1209162 - Create OriginAttributes subtypes. IGNORE IDL r=sicking.


/* -*- 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 nsCollation_h__
#define nsCollation_h__


#include "nsICollation.h"
#include "nsCOMPtr.h"
#include "mozilla/Attributes.h"

class nsIUnicodeEncoder;

// Create a collation interface for an input locale.
// 
class nsCollationFactory final : public nsICollationFactory {

  ~nsCollationFactory() {}

public: 
  NS_DECL_ISUPPORTS 

  NS_IMETHOD CreateCollation(nsILocale* locale, nsICollation** instancePtr) override;

  nsCollationFactory() {}
};


struct nsCollation {

public: 

  nsCollation();
  
  ~nsCollation();

  // normalize string before collation key generation
  nsresult NormalizeString(const nsAString& stringIn, nsAString& stringOut);

  // charset conversion util, C string buffer is allocate by PR_Malloc, caller should call PR_Free
  nsresult SetCharset(const char* aCharset);
  nsresult UnicodeToChar(const nsAString& aSrc, char** dst);

protected:
  nsCOMPtr <nsIUnicodeEncoder>            mEncoder;
};

#endif  /* nsCollation_h__ */