1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright (c) 1994 by Sun Microsystems, Inc. 23 */ 24 25 26 #include <errno.h> 27 #include "ktable.h" 28 #include "hangulcode.h" 29 30 31 extern kcode_table johap922utf8_tbl[]; 32 33 34 /**** _ J O H A P 9 2 _ T O _ U T F 8 ****/ 35 36 char _johap92_to_utf8(unsigned long* chosung, unsigned long* joongsung, 37 unsigned long* jongsung, unsigned short wcode) 38 { 39 register short h, i, j, l; 40 short ci, v, cf; 41 unsigned char byte1, byte2; 42 43 if (wcode > 0xD3FE) 44 { /* Hanja or special symbol */ 45 for (l = 0, h = MAX_J922U_NUM; l < h; ) 46 { 47 i = (l + h) / 2; 48 if (johap922utf8_tbl[i].code == wcode) 49 break; 50 else if (johap922utf8_tbl[l].code == wcode) 51 { 52 i = l; 53 break; 54 } 55 else if (johap922utf8_tbl[h].code == wcode) 56 { 57 i = h; 58 break; 59 } 60 else if (johap922utf8_tbl[i].code < wcode) 61 l = i + 1; 62 else 63 h = i - 1; 64 } 65 66 if (johap922utf8_tbl[i].code != wcode) 67 return(ILLEGAL_SEQ); 68 69 *chosung = johap922utf8_tbl[i].utf8; 70 return(HANJA_OR_SYMBOL); 71 } 72 73 /* Hangul processing. */ 74 byte1 = (char)((wcode >> 8) & 0xFF); 75 byte2 = (char)(wcode & 0xFF); 76 if (byte1 < 0x84 || byte1 > 0xD3 || byte2 < 0x41 || byte2 > 0xFE || 77 (byte2 > 0x7E && byte2 < 0x81)) 78 return(ILLEGAL_SEQ); 79 80 ci = CHOSUNG(wcode) - 2; 81 v = JOONGSUNG(wcode) - 82 ((unsigned short)((unsigned short)JOONGSUNG(wcode) - 2) / 83 ((unsigned short)8) * 2 + 3); 84 cf = JONGSUNG(wcode) - (unsigned short)JONGSUNG(wcode) / 18; 85 *chosung = (ci < 0) ? 0xE1859F : 0xE18480 + ci; 86 *joongsung = (v < 0) ? 0xE185A0 : 0xE185A1 + v; 87 *jongsung = (cf < 2) ? 0 : ((cf > 25) ? 0xE18766 + cf : 0xE186A6 + cf); 88 return(HANGUL); 89 } /* end of char _johap92_to_utf8(unsigned long*, unsigned long*, 90 unsigned long*, unsigned short). */ 91