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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is mozilla.org code.
 *
 * The Initial Developer of the Original Code is
 * Netscape Communications Corporation.
 * Portions created by the Initial Developer are Copyright (C) 1998
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either of the GNU General Public License Version 2 or later (the "GPL"),
 * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

#include "nscore.h"

class nsIAtom;

// The following constants define unicode subranges
// values below kRangeNum must be continuous so that we can map to 
// lang group directly.
// all ranges we care about should be defined under 32, that allows 
// us to store range using bits of a PRUint32

// frequently used range definitions
const PRUint8   kRangeCyrillic =    0;
const PRUint8   kRangeGreek    =    1;
const PRUint8   kRangeTurkish  =    2;
const PRUint8   kRangeHebrew   =    3;
const PRUint8   kRangeArabic   =    4;
const PRUint8   kRangeBaltic   =    5;
const PRUint8   kRangeThai     =    6;
const PRUint8   kRangeKorean   =    7;
const PRUint8   kRangeJapanese =    8;
const PRUint8   kRangeSChinese =    9;
const PRUint8   kRangeTChinese =   10;
const PRUint8   kRangeDevanagari = 11;
const PRUint8   kRangeTamil    =   12;
const PRUint8   kRangeArmenian =   13;
const PRUint8   kRangeBengali  =   14;
const PRUint8   kRangeCanadian =   15;
const PRUint8   kRangeEthiopic =   16;
const PRUint8   kRangeGeorgian =   17;
const PRUint8   kRangeGujarati =   18;
const PRUint8   kRangeGurmukhi =   19;
const PRUint8   kRangeKhmer    =   20;
const PRUint8   kRangeMalayalam =  21;
const PRUint8   kRangeOriya     =  22;
const PRUint8   kRangeTelugu    =  23;
const PRUint8   kRangeKannada   =  24;
const PRUint8   kRangeSinhala   =  25;
const PRUint8   kRangeTibetan   =  26;

const PRUint8   kRangeSpecificItemNum = 27;

//range/rangeSet grow to this place 27-29

const PRUint8   kRangeSetStart  =  30;   // range set definition starts from here
const PRUint8   kRangeSetLatin  =  30;
const PRUint8   kRangeSetCJK    =  31;
const PRUint8   kRangeSetEnd    =  31;   // range set definition ends here, this
                                         // and smaller ranges are used as bit
                                         // mask, don't increase this value.

// less frequently used range definition
const PRUint8   kRangeSurrogate            = 32;
const PRUint8   kRangePrivate              = 33;
const PRUint8   kRangeMisc                 = 34;
const PRUint8   kRangeUnassigned           = 35;
const PRUint8   kRangeSyriac               = 36;
const PRUint8   kRangeThaana               = 37;
const PRUint8   kRangeLao                  = 38;
const PRUint8   kRangeMyanmar              = 39;
const PRUint8   kRangeCherokee             = 40;
const PRUint8   kRangeOghamRunic           = 41;
const PRUint8   kRangeMongolian            = 42;
const PRUint8   kRangeMathOperators        = 43;
const PRUint8   kRangeMiscTechnical        = 44;
const PRUint8   kRangeControlOpticalEnclose = 45;
const PRUint8   kRangeBoxBlockGeometrics   = 46;
const PRUint8   kRangeMiscSymbols          = 47;
const PRUint8   kRangeDingbats             = 48;
const PRUint8   kRangeBraillePattern       = 49;
const PRUint8   kRangeYi                   = 50;
const PRUint8   kRangeCombiningDiacriticalMarks = 51;
const PRUint8   kRangeSpecials             = 52;

const PRUint8   kRangeTableBase   = 128;    //values over 127 are reserved for internal use only
const PRUint8   kRangeTertiaryTable  = 145; // leave room for 16 subtable 
                                            // indices (kRangeTableBase + 1 ..
                                            // kRangeTableBase + 16)



PRUint32 FindCharUnicodeRange(PRUnichar ch);
nsIAtom* LangGroupFromUnicodeRange(PRUint8 unicodeRange);