1 /*
2 * Copyright (C) 2008-2012 OMRON SOFTWARE Co., Ltd.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include "nj_lib.h"
18 #include "nj_ext.h"
19
20
21 #define HIRA_KATA_OFFSET (0x0060)
22
23 #define ZEN_CHAR_LEN 1
24
25 #define CHAR_TO_WCHAR(s) \
26 ((NJ_UINT16)( (((NJ_UINT8*)(s))[0] << 8) | ((NJ_UINT8*)(s))[1] ))
27
28 #define SET_WCHAR_TO_CHAR(s, c) \
29 { \
30 ((NJ_UINT8*)(s))[0] = (NJ_UINT8)(((c) >> 8) & 0x00ff); \
31 ((NJ_UINT8*)(s))[1] = (NJ_UINT8)(((c)) & 0x00ff); \
32 }
33
34 #define IS_HIRAGANA_WCHAR(c) ( ((c) >= 0x3041) && ((c) <= 0x3093) )
35
36
37
38
nje_convert_hira_to_kata(NJ_CHAR * hira,NJ_CHAR * kata,NJ_UINT16 len)39 NJ_INT16 nje_convert_hira_to_kata(NJ_CHAR *hira, NJ_CHAR *kata, NJ_UINT16 len)
40 {
41 NJ_UINT16 pnt;
42 NJ_UINT16 wchar;
43
44
45 pnt = 0;
46 while (pnt < len) {
47 if (*hira == NJ_CHAR_NUL) {
48
49 return pnt;
50 }
51
52
53 wchar = CHAR_TO_WCHAR(hira);
54 hira++;
55 pnt++;
56
57 if (IS_HIRAGANA_WCHAR(wchar)) {
58
59 SET_WCHAR_TO_CHAR(kata, wchar + HIRA_KATA_OFFSET);
60 kata += ZEN_CHAR_LEN;
61 } else {
62 SET_WCHAR_TO_CHAR(kata, wchar);
63 kata += ZEN_CHAR_LEN;
64 }
65 }
66
67
68 *kata = NJ_CHAR_NUL;
69 return pnt;
70 }
71