1 /*

     2 * Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description: 

    15 *

    16 */

    17 #include "tinyunicode.h"

    18 

    19 namespace analysis {

    20 

    21 	namespace unicode {

    22 

    23         // See Chapter 16 Hangul in http://unicode.org/reports/tr15/ for reference

    24         // 

    25         // Ported from Hangul Java code example

    26         //

    27 	

    28         int IsHangulSyllable(int c) {

    29             return (c >= 0xAC00 && c <= 0xD7AF);

    30         }

    31         int IsHangulJamo(int c) {

    32             return (c >= 0x1100 && c < 0x1200)     // Hangul Jamo

    33                 || (c >= 0x3130 && c <= 0x318F)    // Hangul compatibility Jamo

    34                 || (c >= 0xA960 && c < 0xA97F)     // Hangul Jamo Extended-A

    35                 || (c >= 0xD780 && c <= 0xD7FF)    // Hangul Jamo Extended-B

    36                 || (c >= 0xff00 && c <= 0xffef);   // Hangul halfwidth and fullwidth forms

    37         }

    38 

    39         int IsHangul(int c) {

    40             return IsHangulSyllable(c) || IsHangulJamo(c); 

    41         }

    42 		int IsCjk(int c) {

    43 			return (c >= 0x4E00 && c < 0xa000)  // CJK Unified ideographs block

    44                  || IsHangul(c)              // Korean alphabet

    45 				 || (c >= 0x3400 && c < 0x4Dc0)     // CJK Unified ideographs extension A

    46 				 || (c >= 0x3040 && c <= 0x309f)    // Hiragana

    47 				 || (c >= 0x20000 && c < 0x30000);  // CJK Unified ideographs extension B, C, D E and so forth

    48 		}

    49 		

    50 		int IsThai(int c) {

    51 			return (c >= 0x0E00) && (c < 0x0F00); // Thai unicode block 

    52 		}

    53 	}

    54 	

    55 }