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) 1996 by Sun Microsystems, Inc. 23 */ 24 25 26 #include <errno.h> 27 #include <stdlib.h> 28 #include "common_han.h" 29 #include "common_utf.h" 30 #include "common_njh.h" 31 #include "njh_utf_table.h" 32 33 static int node_compare(const void *node1, const void *node2) 34 { 35 return(((int)(((const hcode_table *)node1)->code) - 36 (int)(((const hcode_table *)node2)->code))); 37 } 38 39 /**** _ J O H A P 9 2 _ T O _ U T F 8 ****/ 40 41 hcode_type _johap92_to_utf8(hcode_type njh_code) 42 { 43 hcode_table *node_ptr, node; 44 hcode_type utf_code; 45 int udc_index; 46 47 /* User Definable Area Check */ 48 if (njh_code.byte.byte3 == NJH_UDC_SEG) { 49 if ((njh_code.byte.byte4 < NJH_UDC_OFFSET1_START) || 50 (NJH_UDC_OFFSET2_END < njh_code.byte.byte4) || 51 ((NJH_UDC_OFFSET1_END < njh_code.byte.byte4) && 52 (njh_code.byte.byte4 < NJH_UDC_OFFSET2_START))) { 53 /* beyond the UDC area */ 54 utf_code.code = 0; 55 56 return(utf_code); 57 } 58 59 if (njh_code.byte.byte4 >= NJH_UDC_OFFSET2_START) 60 udc_index = NJH_UDC_OFFSET_GAP + 61 (int)(njh_code.byte.byte4 - NJH_UDC_OFFSET2_START); 62 else 63 udc_index = 64 (int)(njh_code.byte.byte4 - NJH_UDC_OFFSET1_START); 65 66 utf_code = _udcidx_to_utf(udc_index); 67 68 if (utf_code.code == UTF_UDC_ERROR) 69 utf_code.code = UTF8_NON_ID_CHAR; /* Failed */ 70 71 return(utf_code); 72 73 } else if (njh_code.code > NJH_HANGUL_END) { 74 /* Hanja or special symbol */ 75 /* Notes: if Hangul Jamo needed, add here to table coversion */ 76 77 node.code = njh_code.word.low; 78 79 node_ptr = bsearch( &node, 80 njh2utf_tbl, sizeof(njh2utf_tbl)/sizeof(hcode_table), 81 sizeof(hcode_table), node_compare); 82 83 if (node_ptr != NULL) /* Success */ 84 return(node_ptr->utf8); 85 else { /* Failed */ 86 utf_code.code = UTF8_NON_ID_CHAR; 87 return(utf_code); 88 } 89 90 } else { 91 /* Hangul code */ 92 hcode_type unicode; 93 register unsigned int x, y, z; 94 95 x = njh_code.johap.chosung - 2; /* 2 = 'Kyoug' */ 96 y = njh_code.johap.joongsung; 97 y = y < 0x08 ? y - 3 : 98 y < 0x10 ? y - 5 : 99 y < 0x18 ? y - 7 : y - 9; 100 z = njh_code.johap.jongsung; 101 z = z < 0x12 ? z - 1 : z - 2; 102 unicode.code = (unsigned int)(x*588 + y*28 + z) 103 + 0xAC00; 104 /* 588 = 21(Joongsung Number) * 28(Jongsung Number) */ 105 106 utf_code = _uni_to_utf8(unicode); 107 108 return(utf_code); 109 110 } 111 112 } /* end of hcode_type johap92_to_utf8(hcode_type njh_code) */ 113