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[apple/icu.git] / icuSources / common / ucnvisci.c
1 /*
2 **********************************************************************
3 * Copyright (C) 2000-2004, International Business Machines
4 * Corporation and others. All Rights Reserved.
5 **********************************************************************
6 * file name: ucnvisci.c
7 * encoding: US-ASCII
8 * tab size: 8 (not used)
9 * indentation:4
10 *
11 * created on: 2001JUN26
12 * created by: Ram Viswanadha
13 *
14 * Date Name Description
15 * 24/7/2001 Ram Added support for EXT character handling
16 */
17
18 #include "unicode/utypes.h"
19
20 #if !UCONFIG_NO_CONVERSION && !UCONFIG_NO_LEGACY_CONVERSION
21
22 #include "cmemory.h"
23 #include "ucnv_bld.h"
24 #include "unicode/ucnv.h"
25 #include "ucnv_cnv.h"
26 #include "unicode/ucnv_cb.h"
27 #include "unicode/uset.h"
28 #include "cstring.h"
29
30 #define UCNV_OPTIONS_VERSION_MASK 0xf
31 #define NUKTA 0x093c
32 #define HALANT 0x094d
33 #define ZWNJ 0x200c /* Zero Width Non Joiner */
34 #define ZWJ 0x200d /* Zero width Joiner */
35 #define INVALID_CHAR 0xffff
36 #define ATR 0xEF /* Attribute code */
37 #define EXT 0xF0 /* Extension code */
38 #define DANDA 0x0964
39 #define DOUBLE_DANDA 0x0965
40 #define ISCII_NUKTA 0xE9
41 #define ISCII_HALANT 0xE8
42 #define ISCII_DANDA 0xEA
43 #define ISCII_INV 0xD9
44 #define INDIC_BLOCK_BEGIN 0x0900
45 #define INDIC_BLOCK_END 0x0D7F
46 #define INDIC_RANGE (INDIC_BLOCK_END - INDIC_BLOCK_BEGIN)
47 #define VOCALLIC_RR 0x0931
48 #define LF 0x0A
49 #define ASCII_END 0xA0
50 #define NO_CHAR_MARKER 0xFFFE
51 #define TELUGU_DELTA DELTA * TELUGU
52 #define DEV_ABBR_SIGN 0x0970
53 #define DEV_ANUDATTA 0x0952
54 #define EXT_RANGE_BEGIN 0xA1
55 #define EXT_RANGE_END 0xEE
56
57
58 typedef enum {
59 DEVANAGARI =0,
60 BENGALI,
61 GURMUKHI,
62 GUJARATI,
63 ORIYA,
64 TAMIL,
65 TELUGU,
66 KANNADA,
67 MALAYALAM,
68 DELTA=0x80
69 }UniLang;
70
71
72 /**
73 * Enumeration for switching code pages if <ATX>+<one of below values>
74 * is encountered
75 */
76 typedef enum {
77 DEF =0x40,
78 RMN =0x41,
79 DEV =0x42,
80 BNG =0x43,
81 TML =0x44,
82 TLG =0x45,
83 ASM =0x46,
84 ORI =0x47,
85 KND =0x48,
86 MLM =0x49,
87 GJR =0x4A,
88 PNJ =0x4B,
89 ARB =0x71,
90 PES =0x72,
91 URD =0x73,
92 SND =0x74,
93 KSM =0x75,
94 PST =0x76
95 }ISCIILang;
96
97 typedef enum{
98 DEV_MASK =0x80,
99 PNJ_MASK =0x40,
100 GJR_MASK =0x20,
101 ORI_MASK =0x10,
102 BNG_MASK =0x08,
103 KND_MASK =0x04,
104 MLM_MASK =0x02,
105 TML_MASK =0x01,
106 ZERO =0x00
107 }MaskEnum;
108
109 typedef struct{
110 UChar contextCharToUnicode; /* previous Unicode codepoint for contextual analysis */
111 UChar contextCharFromUnicode; /* previous Unicode codepoint for contextual analysis */
112 uint16_t defDeltaToUnicode; /* delta for switching to default state when DEF is encountered */
113 uint16_t currentDeltaFromUnicode;/* current delta in Indic block */
114 uint16_t currentDeltaToUnicode; /* current delta in Indic block */
115 MaskEnum currentMaskFromUnicode; /* mask for current state in toUnicode */
116 MaskEnum currentMaskToUnicode; /* mask for current state in toUnicode */
117 MaskEnum defMaskToUnicode; /* mask for default state in toUnicode */
118 UBool isFirstBuffer; /* boolean for fromUnicode to see if we need to announce the first script */
119 char name[30];
120 }UConverterDataISCII;
121
122 static const uint16_t lookupInitialData[][3]={
123 { DEVANAGARI, DEV_MASK, DEV },
124 { BENGALI, BNG_MASK, BNG },
125 { GURMUKHI, PNJ_MASK, PNJ },
126 { GUJARATI, GJR_MASK, GJR },
127 { ORIYA, ORI_MASK, ORI },
128 { TAMIL, TML_MASK, TML },
129 { TELUGU, KND_MASK, TLG },
130 { KANNADA, KND_MASK, KND },
131 { MALAYALAM, MLM_MASK, MLM }
132 };
133
134 static void
135 _ISCIIOpen(UConverter *cnv, const char *name,const char *locale,uint32_t options, UErrorCode *errorCode){
136 cnv->extraInfo = uprv_malloc (sizeof (UConverterDataISCII));
137
138 if(cnv->extraInfo != NULL) {
139 int32_t len=0;
140 UConverterDataISCII *converterData=(UConverterDataISCII *) cnv->extraInfo;
141 converterData->contextCharToUnicode=NO_CHAR_MARKER;
142 cnv->toUnicodeStatus = missingCharMarker;
143 converterData->contextCharFromUnicode=0x0000;
144 /* check if the version requested is supported */
145 if((options & UCNV_OPTIONS_VERSION_MASK) < 9){
146 /* initialize state variables */
147 converterData->currentDeltaFromUnicode=converterData->currentDeltaToUnicode=
148 converterData->defDeltaToUnicode=
149 (uint16_t)(lookupInitialData[options & UCNV_OPTIONS_VERSION_MASK][0] * DELTA);
150
151 converterData->currentMaskFromUnicode = converterData->currentMaskToUnicode =
152 converterData->defMaskToUnicode=lookupInitialData[options & UCNV_OPTIONS_VERSION_MASK][1];
153
154 converterData->isFirstBuffer=TRUE;
155 uprv_strcpy(converterData->name,"ISCII,version=");
156 len = (int32_t)uprv_strlen(converterData->name);
157 converterData->name[len]= (char)((options & UCNV_OPTIONS_VERSION_MASK) + '0');
158 converterData->name[len+1]=0;
159 }else{
160 uprv_free(cnv->extraInfo);
161 cnv->extraInfo = NULL;
162 *errorCode = U_ILLEGAL_ARGUMENT_ERROR;
163 }
164
165 }else{
166 *errorCode =U_MEMORY_ALLOCATION_ERROR;
167 }
168 }
169 static void
170 _ISCIIClose(UConverter *cnv){
171 if(cnv->extraInfo!=NULL) {
172 if(!cnv->isExtraLocal) {
173 uprv_free(cnv->extraInfo);
174 }
175 cnv->extraInfo=NULL;
176 }
177 }
178
179 static const char*
180 _ISCIIgetName(const UConverter* cnv){
181 if(cnv->extraInfo){
182 UConverterDataISCII* myData= (UConverterDataISCII*)cnv->extraInfo;
183 return myData->name;
184 }
185 return NULL;
186 }
187
188 static void
189 _ISCIIReset(UConverter *cnv, UConverterResetChoice choice){
190 UConverterDataISCII* data =(UConverterDataISCII *) (cnv->extraInfo);
191 if(choice<=UCNV_RESET_TO_UNICODE) {
192 cnv->toUnicodeStatus = missingCharMarker;
193 cnv->mode=0;
194 data->currentDeltaToUnicode=data->defDeltaToUnicode;
195 data->currentMaskToUnicode = data->defMaskToUnicode;
196 data->contextCharToUnicode=NO_CHAR_MARKER;
197 }
198 if(choice!=UCNV_RESET_TO_UNICODE) {
199 cnv->fromUChar32=0x0000;
200 data->contextCharFromUnicode=0x00;
201 data->currentMaskFromUnicode=data->defDeltaToUnicode;
202 data->currentDeltaFromUnicode=data->defDeltaToUnicode;
203 data->isFirstBuffer=TRUE;
204 }
205 }
206
207 /**
208 * The values in validity table are indexed by the lower bits of Unicode
209 * range 0x0900 - 0x09ff. The values have a structure like:
210 * ---------------------------------------------------------------
211 * | DEV | PNJ | GJR | ORI | BNG | TLG | MLM | TML |
212 * | | | | | ASM | KND | | |
213 * ---------------------------------------------------------------
214 * If a code point is valid in a particular script
215 * then that bit is turned on
216 *
217 * Unicode does not distinguish between Bengali and Assamese so we use 1 bit for
218 * to represent these languages
219 *
220 * Telugu and Kannada have same codepoints except for Vocallic_RR which we special case
221 * and combine and use 1 bit to represent these languages.
222 *
223 * TODO: It is probably easier to understand and maintain to change this
224 * to use uint16_t and give each of the 9 Unicode/script blocks its own bit.
225 */
226
227 static const uint8_t validityTable[128] = {
228 /* This state table is tool generated please donot edit unless you know exactly what you are doing */
229 /*ISCII:Valid:Unicode */
230 /*0xa0 : 0x00: 0x900 */ ZERO + ZERO + ZERO + ZERO + ZERO + ZERO + ZERO + ZERO ,
231 /*0xa1 : 0xb8: 0x901 */ DEV_MASK + ZERO + GJR_MASK + ORI_MASK + BNG_MASK + ZERO + ZERO + ZERO ,
232 /*0xa2 : 0xfe: 0x902 */ DEV_MASK + PNJ_MASK + GJR_MASK + ORI_MASK + BNG_MASK + KND_MASK + MLM_MASK + ZERO ,
233 /*0xa3 : 0xbf: 0x903 */ DEV_MASK + ZERO + GJR_MASK + ORI_MASK + BNG_MASK + KND_MASK + MLM_MASK + TML_MASK ,
234 /*0x00 : 0x00: 0x904 */ ZERO + ZERO + ZERO + ZERO + ZERO + ZERO + ZERO + ZERO ,
235 /*0xa4 : 0xff: 0x905 */ DEV_MASK + PNJ_MASK + GJR_MASK + ORI_MASK + BNG_MASK + KND_MASK + MLM_MASK + TML_MASK ,
236 /*0xa5 : 0xff: 0x906 */ DEV_MASK + PNJ_MASK + GJR_MASK + ORI_MASK + BNG_MASK + KND_MASK + MLM_MASK + TML_MASK ,
237 /*0xa6 : 0xff: 0x907 */ DEV_MASK + PNJ_MASK + GJR_MASK + ORI_MASK + BNG_MASK + KND_MASK + MLM_MASK + TML_MASK ,
238 /*0xa7 : 0xff: 0x908 */ DEV_MASK + PNJ_MASK + GJR_MASK + ORI_MASK + BNG_MASK + KND_MASK + MLM_MASK + TML_MASK ,
239 /*0xa8 : 0xff: 0x909 */ DEV_MASK + PNJ_MASK + GJR_MASK + ORI_MASK + BNG_MASK + KND_MASK + MLM_MASK + TML_MASK ,
240 /*0xa9 : 0xff: 0x90a */ DEV_MASK + PNJ_MASK + GJR_MASK + ORI_MASK + BNG_MASK + KND_MASK + MLM_MASK + TML_MASK ,
241 /*0xaa : 0xfe: 0x90b */ DEV_MASK + PNJ_MASK + GJR_MASK + ORI_MASK + BNG_MASK + KND_MASK + MLM_MASK + ZERO ,
242 /*0x00 : 0x00: 0x90c */ DEV_MASK + ZERO + ZERO + ORI_MASK + BNG_MASK + KND_MASK + MLM_MASK + ZERO ,
243 /*0xae : 0x80: 0x90d */ DEV_MASK + ZERO + ZERO + ZERO + ZERO + ZERO + ZERO + ZERO ,
244 /*0xab : 0x87: 0x90e */ DEV_MASK + ZERO + ZERO + ZERO + ZERO + KND_MASK + MLM_MASK + TML_MASK ,
245 /*0xac : 0xff: 0x90f */ DEV_MASK + PNJ_MASK + GJR_MASK + ORI_MASK + BNG_MASK + KND_MASK + MLM_MASK + TML_MASK ,
246 /*0xad : 0xff: 0x910 */ DEV_MASK + PNJ_MASK + GJR_MASK + ORI_MASK + BNG_MASK + KND_MASK + MLM_MASK + TML_MASK ,
247 /*0xb2 : 0x80: 0x911 */ DEV_MASK + ZERO + ZERO + ZERO + ZERO + ZERO + ZERO + ZERO ,
248 /*0xaf : 0x87: 0x912 */ DEV_MASK + ZERO + ZERO + ZERO + ZERO + KND_MASK + MLM_MASK + TML_MASK ,
249 /*0xb0 : 0xff: 0x913 */ DEV_MASK + PNJ_MASK + GJR_MASK + ORI_MASK + BNG_MASK + KND_MASK + MLM_MASK + TML_MASK ,
250 /*0xb1 : 0xff: 0x914 */ DEV_MASK + PNJ_MASK + GJR_MASK + ORI_MASK + BNG_MASK + KND_MASK + MLM_MASK + TML_MASK ,
251 /*0xb3 : 0xff: 0x915 */ DEV_MASK + PNJ_MASK + GJR_MASK + ORI_MASK + BNG_MASK + KND_MASK + MLM_MASK + TML_MASK ,
252 /*0xb4 : 0xfe: 0x916 */ DEV_MASK + PNJ_MASK + GJR_MASK + ORI_MASK + BNG_MASK + KND_MASK + MLM_MASK + ZERO ,
253 /*0xb5 : 0xfe: 0x917 */ DEV_MASK + PNJ_MASK + GJR_MASK + ORI_MASK + BNG_MASK + KND_MASK + MLM_MASK + ZERO ,
254 /*0xb6 : 0xfe: 0x918 */ DEV_MASK + PNJ_MASK + GJR_MASK + ORI_MASK + BNG_MASK + KND_MASK + MLM_MASK + ZERO ,
255 /*0xb7 : 0xff: 0x919 */ DEV_MASK + PNJ_MASK + GJR_MASK + ORI_MASK + BNG_MASK + KND_MASK + MLM_MASK + TML_MASK ,
256 /*0xb8 : 0xff: 0x91a */ DEV_MASK + PNJ_MASK + GJR_MASK + ORI_MASK + BNG_MASK + KND_MASK + MLM_MASK + TML_MASK ,
257 /*0xb9 : 0xfe: 0x91b */ DEV_MASK + PNJ_MASK + GJR_MASK + ORI_MASK + BNG_MASK + KND_MASK + MLM_MASK + ZERO ,
258 /*0xba : 0xff: 0x91c */ DEV_MASK + PNJ_MASK + GJR_MASK + ORI_MASK + BNG_MASK + KND_MASK + MLM_MASK + TML_MASK ,
259 /*0xbb : 0xfe: 0x91d */ DEV_MASK + PNJ_MASK + GJR_MASK + ORI_MASK + BNG_MASK + KND_MASK + MLM_MASK + ZERO ,
260 /*0xbc : 0xff: 0x91e */ DEV_MASK + PNJ_MASK + GJR_MASK + ORI_MASK + BNG_MASK + KND_MASK + MLM_MASK + TML_MASK ,
261 /*0xbd : 0xff: 0x91f */ DEV_MASK + PNJ_MASK + GJR_MASK + ORI_MASK + BNG_MASK + KND_MASK + MLM_MASK + TML_MASK ,
262 /*0xbe : 0xfe: 0x920 */ DEV_MASK + PNJ_MASK + GJR_MASK + ORI_MASK + BNG_MASK + KND_MASK + MLM_MASK + ZERO ,
263 /*0xbf : 0xfe: 0x921 */ DEV_MASK + PNJ_MASK + GJR_MASK + ORI_MASK + BNG_MASK + KND_MASK + MLM_MASK + ZERO ,
264 /*0xc0 : 0xfe: 0x922 */ DEV_MASK + PNJ_MASK + GJR_MASK + ORI_MASK + BNG_MASK + KND_MASK + MLM_MASK + ZERO ,
265 /*0xc1 : 0xff: 0x923 */ DEV_MASK + PNJ_MASK + GJR_MASK + ORI_MASK + BNG_MASK + KND_MASK + MLM_MASK + TML_MASK ,
266 /*0xc2 : 0xff: 0x924 */ DEV_MASK + PNJ_MASK + GJR_MASK + ORI_MASK + BNG_MASK + KND_MASK + MLM_MASK + TML_MASK ,
267 /*0xc3 : 0xfe: 0x925 */ DEV_MASK + PNJ_MASK + GJR_MASK + ORI_MASK + BNG_MASK + KND_MASK + MLM_MASK + ZERO ,
268 /*0xc4 : 0xfe: 0x926 */ DEV_MASK + PNJ_MASK + GJR_MASK + ORI_MASK + BNG_MASK + KND_MASK + MLM_MASK + ZERO ,
269 /*0xc5 : 0xfe: 0x927 */ DEV_MASK + PNJ_MASK + GJR_MASK + ORI_MASK + BNG_MASK + KND_MASK + MLM_MASK + ZERO ,
270 /*0xc6 : 0xff: 0x928 */ DEV_MASK + PNJ_MASK + GJR_MASK + ORI_MASK + BNG_MASK + KND_MASK + MLM_MASK + TML_MASK ,
271 /*0xc7 : 0x81: 0x929 */ DEV_MASK + ZERO + ZERO + ZERO + ZERO + ZERO + ZERO + TML_MASK ,
272 /*0xc8 : 0xff: 0x92a */ DEV_MASK + PNJ_MASK + GJR_MASK + ORI_MASK + BNG_MASK + KND_MASK + MLM_MASK + TML_MASK ,
273 /*0xc9 : 0xfe: 0x92b */ DEV_MASK + PNJ_MASK + GJR_MASK + ORI_MASK + BNG_MASK + KND_MASK + MLM_MASK + ZERO ,
274 /*0xca : 0xfe: 0x92c */ DEV_MASK + PNJ_MASK + GJR_MASK + ORI_MASK + BNG_MASK + KND_MASK + MLM_MASK + ZERO ,
275 /*0xcb : 0xfe: 0x92d */ DEV_MASK + PNJ_MASK + GJR_MASK + ORI_MASK + BNG_MASK + KND_MASK + MLM_MASK + ZERO ,
276 /*0xcc : 0xfe: 0x92e */ DEV_MASK + PNJ_MASK + GJR_MASK + ORI_MASK + BNG_MASK + KND_MASK + MLM_MASK + ZERO ,
277 /*0xcd : 0xff: 0x92f */ DEV_MASK + PNJ_MASK + GJR_MASK + ORI_MASK + BNG_MASK + KND_MASK + MLM_MASK + TML_MASK ,
278 /*0xcf : 0xff: 0x930 */ DEV_MASK + PNJ_MASK + GJR_MASK + ORI_MASK + BNG_MASK + KND_MASK + MLM_MASK + TML_MASK ,
279 /*0xd0 : 0x87: 0x931 */ DEV_MASK + ZERO + ZERO + ZERO + ZERO + ZERO + MLM_MASK + TML_MASK ,
280 /*0xd1 : 0xff: 0x932 */ DEV_MASK + PNJ_MASK + GJR_MASK + ORI_MASK + BNG_MASK + KND_MASK + MLM_MASK + TML_MASK ,
281 /*0xd2 : 0xb7: 0x933 */ DEV_MASK + ZERO + GJR_MASK + ORI_MASK + ZERO + KND_MASK + MLM_MASK + TML_MASK ,
282 /*0xd3 : 0x83: 0x934 */ DEV_MASK + ZERO + ZERO + ZERO + ZERO + ZERO + MLM_MASK + TML_MASK ,
283 /*0xd4 : 0xff: 0x935 */ DEV_MASK + PNJ_MASK + GJR_MASK + ORI_MASK + BNG_MASK + KND_MASK + MLM_MASK + TML_MASK ,
284 /*0xd5 : 0xfe: 0x936 */ DEV_MASK + PNJ_MASK + GJR_MASK + ORI_MASK + BNG_MASK + KND_MASK + MLM_MASK + ZERO ,
285 /*0xd6 : 0xbf: 0x937 */ DEV_MASK + ZERO + GJR_MASK + ORI_MASK + BNG_MASK + KND_MASK + MLM_MASK + TML_MASK ,
286 /*0xd7 : 0xff: 0x938 */ DEV_MASK + PNJ_MASK + GJR_MASK + ORI_MASK + BNG_MASK + KND_MASK + MLM_MASK + TML_MASK ,
287 /*0xd8 : 0xff: 0x939 */ DEV_MASK + PNJ_MASK + GJR_MASK + ORI_MASK + BNG_MASK + KND_MASK + MLM_MASK + TML_MASK ,
288 /*0x00 : 0x00: 0x93A */ ZERO + ZERO + ZERO + ZERO + ZERO + ZERO + ZERO + ZERO ,
289 /*0x00 : 0x00: 0x93B */ ZERO + ZERO + ZERO + ZERO + ZERO + ZERO + ZERO + ZERO ,
290 /*0xe9 : 0xda: 0x93c */ DEV_MASK + PNJ_MASK + ZERO + ORI_MASK + BNG_MASK + ZERO + MLM_MASK + ZERO ,
291 /*0x00 : 0x00: 0x93d */ DEV_MASK + ZERO + ZERO + ZERO + ZERO + ZERO + ZERO + ZERO ,
292 /*0xda : 0xff: 0x93e */ DEV_MASK + PNJ_MASK + GJR_MASK + ORI_MASK + BNG_MASK + KND_MASK + MLM_MASK + TML_MASK ,
293 /*0xdb : 0xff: 0x93f */ DEV_MASK + PNJ_MASK + GJR_MASK + ORI_MASK + BNG_MASK + KND_MASK + MLM_MASK + TML_MASK ,
294 /*0xdc : 0xff: 0x940 */ DEV_MASK + PNJ_MASK + GJR_MASK + ORI_MASK + BNG_MASK + KND_MASK + MLM_MASK + TML_MASK ,
295 /*0xdd : 0xff: 0x941 */ DEV_MASK + PNJ_MASK + GJR_MASK + ORI_MASK + BNG_MASK + KND_MASK + MLM_MASK + TML_MASK ,
296 /*0xde : 0xff: 0x942 */ DEV_MASK + PNJ_MASK + GJR_MASK + ORI_MASK + BNG_MASK + KND_MASK + MLM_MASK + TML_MASK ,
297 /*0xdf : 0xbe: 0x943 */ DEV_MASK + ZERO + GJR_MASK + ORI_MASK + BNG_MASK + KND_MASK + MLM_MASK + ZERO ,
298 /*0x00 : 0x00: 0x944 */ DEV_MASK + ZERO + ZERO + ZERO + ZERO + ZERO + ZERO + ZERO ,
299 /*0xe3 : 0x80: 0x945 */ DEV_MASK + ZERO + ZERO + ZERO + ZERO + ZERO + ZERO + ZERO ,
300 /*0xe0 : 0x87: 0x946 */ DEV_MASK + ZERO + ZERO + ZERO + ZERO + KND_MASK + MLM_MASK + TML_MASK ,
301 /*0xe1 : 0xff: 0x947 */ DEV_MASK + PNJ_MASK + GJR_MASK + ORI_MASK + BNG_MASK + KND_MASK + MLM_MASK + TML_MASK ,
302 /*0xe2 : 0xff: 0x948 */ DEV_MASK + PNJ_MASK + GJR_MASK + ORI_MASK + BNG_MASK + KND_MASK + MLM_MASK + TML_MASK ,
303 /*0xe7 : 0x80: 0x949 */ DEV_MASK + ZERO + ZERO + ZERO + ZERO + ZERO + ZERO + ZERO ,
304 /*0xe4 : 0x87: 0x94a */ DEV_MASK + ZERO + ZERO + ZERO + ZERO + KND_MASK + MLM_MASK + TML_MASK ,
305 /*0xe5 : 0xff: 0x94b */ DEV_MASK + PNJ_MASK + GJR_MASK + ORI_MASK + BNG_MASK + KND_MASK + MLM_MASK + TML_MASK ,
306 /*0xe6 : 0xff: 0x94c */ DEV_MASK + PNJ_MASK + GJR_MASK + ORI_MASK + BNG_MASK + KND_MASK + MLM_MASK + TML_MASK ,
307 /*0xe8 : 0xff: 0x94d */ DEV_MASK + PNJ_MASK + GJR_MASK + ORI_MASK + BNG_MASK + KND_MASK + MLM_MASK + TML_MASK ,
308 /*0xec : 0x00: 0x94e */ ZERO + ZERO + ZERO + ZERO + ZERO + ZERO + ZERO + ZERO ,
309 /*0xed : 0x00: 0x94f */ ZERO + ZERO + ZERO + ZERO + ZERO + ZERO + ZERO + ZERO ,
310 /*0x00 : 0x00: 0x950 */ DEV_MASK + ZERO + GJR_MASK + ZERO + ZERO + ZERO + ZERO + ZERO ,
311 /*0x00 : 0x00: 0x951 */ DEV_MASK + ZERO + ZERO + ZERO + ZERO + ZERO + ZERO + ZERO ,
312 /*0x00 : 0x00: 0x952 */ DEV_MASK + ZERO + ZERO + ZERO + ZERO + ZERO + ZERO + ZERO ,
313 /*0x00 : 0x00: 0x953 */ DEV_MASK + ZERO + ZERO + ZERO + ZERO + ZERO + ZERO + ZERO ,
314 /*0x00 : 0x00: 0x954 */ DEV_MASK + ZERO + ZERO + ZERO + ZERO + ZERO + ZERO + ZERO ,
315 /*0x00 : 0x00: 0x955 */ ZERO + ZERO + ZERO + ZERO + ZERO + KND_MASK + ZERO + ZERO ,
316 /*0x00 : 0x00: 0x956 */ ZERO + ZERO + ZERO + ORI_MASK + ZERO + KND_MASK + ZERO + ZERO ,
317 /*0x00 : 0x00: 0x957 */ ZERO + ZERO + ZERO + ORI_MASK + ZERO + ZERO + MLM_MASK + ZERO ,
318 /*0x00 : 0x00: 0x958 */ DEV_MASK + ZERO + ZERO + ZERO + ZERO + ZERO + ZERO + ZERO ,
319 /*0x00 : 0x00: 0x959 */ DEV_MASK + PNJ_MASK + ZERO + ZERO + ZERO + ZERO + ZERO + ZERO ,
320 /*0x00 : 0x00: 0x95a */ DEV_MASK + PNJ_MASK + ZERO + ZERO + ZERO + ZERO + ZERO + ZERO ,
321 /*0x00 : 0x00: 0x95b */ DEV_MASK + PNJ_MASK + ZERO + ORI_MASK + ZERO + ZERO + ZERO + ZERO ,
322 /*0x00 : 0x00: 0x95c */ DEV_MASK + PNJ_MASK + ZERO + ZERO + BNG_MASK + ZERO + ZERO + ZERO ,
323 /*0x00 : 0x00: 0x95d */ DEV_MASK + ZERO + ZERO + ORI_MASK + BNG_MASK + ZERO + ZERO + ZERO ,
324 /*0x00 : 0x00: 0x95e */ DEV_MASK + PNJ_MASK + ZERO + ZERO + ZERO + ZERO + ZERO + ZERO ,
325 /*0xce : 0x98: 0x95f */ DEV_MASK + ZERO + ZERO + ORI_MASK + BNG_MASK + ZERO + ZERO + ZERO ,
326 /*0x00 : 0x00: 0x960 */ DEV_MASK + ZERO + GJR_MASK + ORI_MASK + BNG_MASK + KND_MASK + MLM_MASK + ZERO ,
327 /*0x00 : 0x00: 0x961 */ DEV_MASK + ZERO + ZERO + ORI_MASK + BNG_MASK + KND_MASK + MLM_MASK + ZERO ,
328 /*0x00 : 0x00: 0x962 */ DEV_MASK + ZERO + ZERO + ZERO + BNG_MASK + ZERO + ZERO + ZERO ,
329 /*0x00 : 0x00: 0x963 */ DEV_MASK + ZERO + ZERO + ZERO + BNG_MASK + ZERO + ZERO + ZERO ,
330 /*0xea : 0xf8: 0x964 */ DEV_MASK + PNJ_MASK + GJR_MASK + ORI_MASK + BNG_MASK + ZERO + ZERO + ZERO ,
331 /*0xeaea : 0x00: 0x965*/ DEV_MASK + PNJ_MASK + GJR_MASK + ORI_MASK + BNG_MASK + ZERO + ZERO + ZERO ,
332 /*0xf1 : 0xff: 0x966 */ DEV_MASK + PNJ_MASK + GJR_MASK + ORI_MASK + BNG_MASK + KND_MASK + MLM_MASK + TML_MASK ,
333 /*0xf2 : 0xff: 0x967 */ DEV_MASK + PNJ_MASK + GJR_MASK + ORI_MASK + BNG_MASK + KND_MASK + MLM_MASK + TML_MASK ,
334 /*0xf3 : 0xff: 0x968 */ DEV_MASK + PNJ_MASK + GJR_MASK + ORI_MASK + BNG_MASK + KND_MASK + MLM_MASK + TML_MASK ,
335 /*0xf4 : 0xff: 0x969 */ DEV_MASK + PNJ_MASK + GJR_MASK + ORI_MASK + BNG_MASK + KND_MASK + MLM_MASK + TML_MASK ,
336 /*0xf5 : 0xff: 0x96a */ DEV_MASK + PNJ_MASK + GJR_MASK + ORI_MASK + BNG_MASK + KND_MASK + MLM_MASK + TML_MASK ,
337 /*0xf6 : 0xff: 0x96b */ DEV_MASK + PNJ_MASK + GJR_MASK + ORI_MASK + BNG_MASK + KND_MASK + MLM_MASK + TML_MASK ,
338 /*0xf7 : 0xff: 0x96c */ DEV_MASK + PNJ_MASK + GJR_MASK + ORI_MASK + BNG_MASK + KND_MASK + MLM_MASK + TML_MASK ,
339 /*0xf8 : 0xff: 0x96d */ DEV_MASK + PNJ_MASK + GJR_MASK + ORI_MASK + BNG_MASK + KND_MASK + MLM_MASK + TML_MASK ,
340 /*0xf9 : 0xff: 0x96e */ DEV_MASK + PNJ_MASK + GJR_MASK + ORI_MASK + BNG_MASK + KND_MASK + MLM_MASK + TML_MASK ,
341 /*0xfa : 0xff: 0x96f */ DEV_MASK + PNJ_MASK + GJR_MASK + ORI_MASK + BNG_MASK + KND_MASK + MLM_MASK + TML_MASK ,
342 /*0x00 : 0x80: 0x970 */ DEV_MASK + ZERO + ZERO + ZERO + ZERO + ZERO + ZERO + ZERO ,
343
344 /*
345 * The length of the array is 128 to provide values for 0x900..0x97f.
346 * The last 15 entries for 0x971..0x97f of the validity table are all zero
347 * because no Indic script uses such Unicode code points.
348 */
349 /*0x00 : 0x00: 0x9yz */ ZERO + ZERO + ZERO + ZERO + ZERO + ZERO + ZERO + ZERO
350 };
351
352 static const uint16_t fromUnicodeTable[128]={
353 0x00a0 ,/* 0x0900 */
354 0x00a1 ,/* 0x0901 */
355 0x00a2 ,/* 0x0902 */
356 0x00a3 ,/* 0x0903 */
357 0xFFFF ,/* 0x0904 */
358 0x00a4 ,/* 0x0905 */
359 0x00a5 ,/* 0x0906 */
360 0x00a6 ,/* 0x0907 */
361 0x00a7 ,/* 0x0908 */
362 0x00a8 ,/* 0x0909 */
363 0x00a9 ,/* 0x090a */
364 0x00aa ,/* 0x090b */
365 0xA6E9 ,/* 0x090c */
366 0x00ae ,/* 0x090d */
367 0x00ab ,/* 0x090e */
368 0x00ac ,/* 0x090f */
369 0x00ad ,/* 0x0910 */
370 0x00b2 ,/* 0x0911 */
371 0x00af ,/* 0x0912 */
372 0x00b0 ,/* 0x0913 */
373 0x00b1 ,/* 0x0914 */
374 0x00b3 ,/* 0x0915 */
375 0x00b4 ,/* 0x0916 */
376 0x00b5 ,/* 0x0917 */
377 0x00b6 ,/* 0x0918 */
378 0x00b7 ,/* 0x0919 */
379 0x00b8 ,/* 0x091a */
380 0x00b9 ,/* 0x091b */
381 0x00ba ,/* 0x091c */
382 0x00bb ,/* 0x091d */
383 0x00bc ,/* 0x091e */
384 0x00bd ,/* 0x091f */
385 0x00be ,/* 0x0920 */
386 0x00bf ,/* 0x0921 */
387 0x00c0 ,/* 0x0922 */
388 0x00c1 ,/* 0x0923 */
389 0x00c2 ,/* 0x0924 */
390 0x00c3 ,/* 0x0925 */
391 0x00c4 ,/* 0x0926 */
392 0x00c5 ,/* 0x0927 */
393 0x00c6 ,/* 0x0928 */
394 0x00c7 ,/* 0x0929 */
395 0x00c8 ,/* 0x092a */
396 0x00c9 ,/* 0x092b */
397 0x00ca ,/* 0x092c */
398 0x00cb ,/* 0x092d */
399 0x00cc ,/* 0x092e */
400 0x00cd ,/* 0x092f */
401 0x00cf ,/* 0x0930 */
402 0x00d0 ,/* 0x0931 */
403 0x00d1 ,/* 0x0932 */
404 0x00d2 ,/* 0x0933 */
405 0x00d3 ,/* 0x0934 */
406 0x00d4 ,/* 0x0935 */
407 0x00d5 ,/* 0x0936 */
408 0x00d6 ,/* 0x0937 */
409 0x00d7 ,/* 0x0938 */
410 0x00d8 ,/* 0x0939 */
411 0xFFFF ,/* 0x093A */
412 0xFFFF ,/* 0x093B */
413 0x00e9 ,/* 0x093c */
414 0xEAE9 ,/* 0x093d */
415 0x00da ,/* 0x093e */
416 0x00db ,/* 0x093f */
417 0x00dc ,/* 0x0940 */
418 0x00dd ,/* 0x0941 */
419 0x00de ,/* 0x0942 */
420 0x00df ,/* 0x0943 */
421 0xDFE9 ,/* 0x0944 */
422 0x00e3 ,/* 0x0945 */
423 0x00e0 ,/* 0x0946 */
424 0x00e1 ,/* 0x0947 */
425 0x00e2 ,/* 0x0948 */
426 0x00e7 ,/* 0x0949 */
427 0x00e4 ,/* 0x094a */
428 0x00e5 ,/* 0x094b */
429 0x00e6 ,/* 0x094c */
430 0x00e8 ,/* 0x094d */
431 0x00ec ,/* 0x094e */
432 0x00ed ,/* 0x094f */
433 0xA1E9 ,/* 0x0950 */ /* OM Symbol */
434 0xFFFF ,/* 0x0951 */
435 0xF0B8 ,/* 0x0952 */
436 0xFFFF ,/* 0x0953 */
437 0xFFFF ,/* 0x0954 */
438 0xFFFF ,/* 0x0955 */
439 0xFFFF ,/* 0x0956 */
440 0xFFFF ,/* 0x0957 */
441 0xb3e9 ,/* 0x0958 */
442 0xb4e9 ,/* 0x0959 */
443 0xb5e9 ,/* 0x095a */
444 0xbae9 ,/* 0x095b */
445 0xbfe9 ,/* 0x095c */
446 0xC0E9 ,/* 0x095d */
447 0xc9e9 ,/* 0x095e */
448 0x00ce ,/* 0x095f */
449 0xAAe9 ,/* 0x0960 */
450 0xA7E9 ,/* 0x0961 */
451 0xDBE9 ,/* 0x0962 */
452 0xDCE9 ,/* 0x0963 */
453 0x00ea ,/* 0x0964 */
454 0xeaea ,/* 0x0965 */
455 0x00f1 ,/* 0x0966 */
456 0x00f2 ,/* 0x0967 */
457 0x00f3 ,/* 0x0968 */
458 0x00f4 ,/* 0x0969 */
459 0x00f5 ,/* 0x096a */
460 0x00f6 ,/* 0x096b */
461 0x00f7 ,/* 0x096c */
462 0x00f8 ,/* 0x096d */
463 0x00f9 ,/* 0x096e */
464 0x00fa ,/* 0x096f */
465 0xF0BF ,/* 0x0970 */
466 0xFFFF ,/* 0x0971 */
467 0xFFFF ,/* 0x0972 */
468 0xFFFF ,/* 0x0973 */
469 0xFFFF ,/* 0x0974 */
470 0xFFFF ,/* 0x0975 */
471 0xFFFF ,/* 0x0976 */
472 0xFFFF ,/* 0x0977 */
473 0xFFFF ,/* 0x0978 */
474 0xFFFF ,/* 0x0979 */
475 0xFFFF ,/* 0x097a */
476 0xFFFF ,/* 0x097b */
477 0xFFFF ,/* 0x097c */
478 0xFFFF ,/* 0x097d */
479 0xFFFF ,/* 0x097e */
480 0xFFFF ,/* 0x097f */
481 };
482 static const uint16_t toUnicodeTable[256]={
483 0x0000,/* 0x00 */
484 0x0001,/* 0x01 */
485 0x0002,/* 0x02 */
486 0x0003,/* 0x03 */
487 0x0004,/* 0x04 */
488 0x0005,/* 0x05 */
489 0x0006,/* 0x06 */
490 0x0007,/* 0x07 */
491 0x0008,/* 0x08 */
492 0x0009,/* 0x09 */
493 0x000a,/* 0x0a */
494 0x000b,/* 0x0b */
495 0x000c,/* 0x0c */
496 0x000d,/* 0x0d */
497 0x000e,/* 0x0e */
498 0x000f,/* 0x0f */
499 0x0010,/* 0x10 */
500 0x0011,/* 0x11 */
501 0x0012,/* 0x12 */
502 0x0013,/* 0x13 */
503 0x0014,/* 0x14 */
504 0x0015,/* 0x15 */
505 0x0016,/* 0x16 */
506 0x0017,/* 0x17 */
507 0x0018,/* 0x18 */
508 0x0019,/* 0x19 */
509 0x001a,/* 0x1a */
510 0x001b,/* 0x1b */
511 0x001c,/* 0x1c */
512 0x001d,/* 0x1d */
513 0x001e,/* 0x1e */
514 0x001f,/* 0x1f */
515 0x0020,/* 0x20 */
516 0x0021,/* 0x21 */
517 0x0022,/* 0x22 */
518 0x0023,/* 0x23 */
519 0x0024,/* 0x24 */
520 0x0025,/* 0x25 */
521 0x0026,/* 0x26 */
522 0x0027,/* 0x27 */
523 0x0028,/* 0x28 */
524 0x0029,/* 0x29 */
525 0x002a,/* 0x2a */
526 0x002b,/* 0x2b */
527 0x002c,/* 0x2c */
528 0x002d,/* 0x2d */
529 0x002e,/* 0x2e */
530 0x002f,/* 0x2f */
531 0x0030,/* 0x30 */
532 0x0031,/* 0x31 */
533 0x0032,/* 0x32 */
534 0x0033,/* 0x33 */
535 0x0034,/* 0x34 */
536 0x0035,/* 0x35 */
537 0x0036,/* 0x36 */
538 0x0037,/* 0x37 */
539 0x0038,/* 0x38 */
540 0x0039,/* 0x39 */
541 0x003A,/* 0x3A */
542 0x003B,/* 0x3B */
543 0x003c,/* 0x3c */
544 0x003d,/* 0x3d */
545 0x003e,/* 0x3e */
546 0x003f,/* 0x3f */
547 0x0040,/* 0x40 */
548 0x0041,/* 0x41 */
549 0x0042,/* 0x42 */
550 0x0043,/* 0x43 */
551 0x0044,/* 0x44 */
552 0x0045,/* 0x45 */
553 0x0046,/* 0x46 */
554 0x0047,/* 0x47 */
555 0x0048,/* 0x48 */
556 0x0049,/* 0x49 */
557 0x004a,/* 0x4a */
558 0x004b,/* 0x4b */
559 0x004c,/* 0x4c */
560 0x004d,/* 0x4d */
561 0x004e,/* 0x4e */
562 0x004f,/* 0x4f */
563 0x0050,/* 0x50 */
564 0x0051,/* 0x51 */
565 0x0052,/* 0x52 */
566 0x0053,/* 0x53 */
567 0x0054,/* 0x54 */
568 0x0055,/* 0x55 */
569 0x0056,/* 0x56 */
570 0x0057,/* 0x57 */
571 0x0058,/* 0x58 */
572 0x0059,/* 0x59 */
573 0x005a,/* 0x5a */
574 0x005b,/* 0x5b */
575 0x005c,/* 0x5c */
576 0x005d,/* 0x5d */
577 0x005e,/* 0x5e */
578 0x005f,/* 0x5f */
579 0x0060,/* 0x60 */
580 0x0061,/* 0x61 */
581 0x0062,/* 0x62 */
582 0x0063,/* 0x63 */
583 0x0064,/* 0x64 */
584 0x0065,/* 0x65 */
585 0x0066,/* 0x66 */
586 0x0067,/* 0x67 */
587 0x0068,/* 0x68 */
588 0x0069,/* 0x69 */
589 0x006a,/* 0x6a */
590 0x006b,/* 0x6b */
591 0x006c,/* 0x6c */
592 0x006d,/* 0x6d */
593 0x006e,/* 0x6e */
594 0x006f,/* 0x6f */
595 0x0070,/* 0x70 */
596 0x0071,/* 0x71 */
597 0x0072,/* 0x72 */
598 0x0073,/* 0x73 */
599 0x0074,/* 0x74 */
600 0x0075,/* 0x75 */
601 0x0076,/* 0x76 */
602 0x0077,/* 0x77 */
603 0x0078,/* 0x78 */
604 0x0079,/* 0x79 */
605 0x007a,/* 0x7a */
606 0x007b,/* 0x7b */
607 0x007c,/* 0x7c */
608 0x007d,/* 0x7d */
609 0x007e,/* 0x7e */
610 0x007f,/* 0x7f */
611 0x0080,/* 0x80 */
612 0x0081,/* 0x81 */
613 0x0082,/* 0x82 */
614 0x0083,/* 0x83 */
615 0x0084,/* 0x84 */
616 0x0085,/* 0x85 */
617 0x0086,/* 0x86 */
618 0x0087,/* 0x87 */
619 0x0088,/* 0x88 */
620 0x0089,/* 0x89 */
621 0x008a,/* 0x8a */
622 0x008b,/* 0x8b */
623 0x008c,/* 0x8c */
624 0x008d,/* 0x8d */
625 0x008e,/* 0x8e */
626 0x008f,/* 0x8f */
627 0x0090,/* 0x90 */
628 0x0091,/* 0x91 */
629 0x0092,/* 0x92 */
630 0x0093,/* 0x93 */
631 0x0094,/* 0x94 */
632 0x0095,/* 0x95 */
633 0x0096,/* 0x96 */
634 0x0097,/* 0x97 */
635 0x0098,/* 0x98 */
636 0x0099,/* 0x99 */
637 0x009a,/* 0x9a */
638 0x009b,/* 0x9b */
639 0x009c,/* 0x9c */
640 0x009d,/* 0x9d */
641 0x009e,/* 0x9e */
642 0x009f,/* 0x9f */
643 0x00A0,/* 0xa0 */
644 0x0901,/* 0xa1 */
645 0x0902,/* 0xa2 */
646 0x0903,/* 0xa3 */
647 0x0905,/* 0xa4 */
648 0x0906,/* 0xa5 */
649 0x0907,/* 0xa6 */
650 0x0908,/* 0xa7 */
651 0x0909,/* 0xa8 */
652 0x090a,/* 0xa9 */
653 0x090b,/* 0xaa */
654 0x090e,/* 0xab */
655 0x090f,/* 0xac */
656 0x0910,/* 0xad */
657 0x090d,/* 0xae */
658 0x0912,/* 0xaf */
659 0x0913,/* 0xb0 */
660 0x0914,/* 0xb1 */
661 0x0911,/* 0xb2 */
662 0x0915,/* 0xb3 */
663 0x0916,/* 0xb4 */
664 0x0917,/* 0xb5 */
665 0x0918,/* 0xb6 */
666 0x0919,/* 0xb7 */
667 0x091a,/* 0xb8 */
668 0x091b,/* 0xb9 */
669 0x091c,/* 0xba */
670 0x091d,/* 0xbb */
671 0x091e,/* 0xbc */
672 0x091f,/* 0xbd */
673 0x0920,/* 0xbe */
674 0x0921,/* 0xbf */
675 0x0922,/* 0xc0 */
676 0x0923,/* 0xc1 */
677 0x0924,/* 0xc2 */
678 0x0925,/* 0xc3 */
679 0x0926,/* 0xc4 */
680 0x0927,/* 0xc5 */
681 0x0928,/* 0xc6 */
682 0x0929,/* 0xc7 */
683 0x092a,/* 0xc8 */
684 0x092b,/* 0xc9 */
685 0x092c,/* 0xca */
686 0x092d,/* 0xcb */
687 0x092e,/* 0xcc */
688 0x092f,/* 0xcd */
689 0x095f,/* 0xce */
690 0x0930,/* 0xcf */
691 0x0931,/* 0xd0 */
692 0x0932,/* 0xd1 */
693 0x0933,/* 0xd2 */
694 0x0934,/* 0xd3 */
695 0x0935,/* 0xd4 */
696 0x0936,/* 0xd5 */
697 0x0937,/* 0xd6 */
698 0x0938,/* 0xd7 */
699 0x0939,/* 0xd8 */
700 0x200D,/* 0xd9 */
701 0x093e,/* 0xda */
702 0x093f,/* 0xdb */
703 0x0940,/* 0xdc */
704 0x0941,/* 0xdd */
705 0x0942,/* 0xde */
706 0x0943,/* 0xdf */
707 0x0946,/* 0xe0 */
708 0x0947,/* 0xe1 */
709 0x0948,/* 0xe2 */
710 0x0945,/* 0xe3 */
711 0x094a,/* 0xe4 */
712 0x094b,/* 0xe5 */
713 0x094c,/* 0xe6 */
714 0x0949,/* 0xe7 */
715 0x094d,/* 0xe8 */
716 0x093c,/* 0xe9 */
717 0x0964,/* 0xea */
718 0xFFFF,/* 0xeb */
719 0xFFFF,/* 0xec */
720 0xFFFF,/* 0xed */
721 0xFFFF,/* 0xee */
722 0xFFFF,/* 0xef */
723 0xFFFF,/* 0xf0 */
724 0x0966,/* 0xf1 */
725 0x0967,/* 0xf2 */
726 0x0968,/* 0xf3 */
727 0x0969,/* 0xf4 */
728 0x096a,/* 0xf5 */
729 0x096b,/* 0xf6 */
730 0x096c,/* 0xf7 */
731 0x096d,/* 0xf8 */
732 0x096e,/* 0xf9 */
733 0x096f,/* 0xfa */
734 0xFFFF,/* 0xfb */
735 0xFFFF,/* 0xfc */
736 0xFFFF,/* 0xfd */
737 0xFFFF,/* 0xfe */
738 0xFFFF /* 0xff */
739 };
740
741 static const uint16_t nuktaSpecialCases[][2]={
742 { 16 /*length of array*/ , 0 },
743 { 0xA6 , 0x090c },
744 { 0xEA , 0x093D },
745 { 0xDF , 0x0944 },
746 { 0xA1 , 0x0950 },
747 { 0xb3 , 0x0958 },
748 { 0xb4 , 0x0959 },
749 { 0xb5 , 0x095a },
750 { 0xba , 0x095b },
751 { 0xbf , 0x095c },
752 { 0xC0 , 0x095d },
753 { 0xc9 , 0x095e },
754 { 0xAA , 0x0960 },
755 { 0xA7 , 0x0961 },
756 { 0xDB , 0x0962 },
757 { 0xDC , 0x0963 },
758 };
759
760 #define WRITE_TO_TARGET_FROM_U(args,offsets,source,target,targetLimit,targetByteUnit,err){ \
761 /* write the targetUniChar to target */ \
762 if(target <targetLimit){ \
763 if(targetByteUnit <= 0xFF){ \
764 *(target)++ = (uint8_t)(targetByteUnit); \
765 if(offsets){ \
766 *(offsets++) = (int32_t)(source - args->source-1); \
767 } \
768 }else{ \
769 *(target)++ = (uint8_t)(targetByteUnit>>8); \
770 if(offsets){ \
771 *(offsets++) = (int32_t)(source - args->source-1); \
772 } \
773 if(target < targetLimit){ \
774 *(target)++ = (uint8_t) targetByteUnit; \
775 if(offsets){ \
776 *(offsets++) = (int32_t)(source - args->source-1); \
777 } \
778 }else{ \
779 args->converter->charErrorBuffer[args->converter->charErrorBufferLength++] = \
780 (uint8_t) (targetByteUnit); \
781 *err = U_BUFFER_OVERFLOW_ERROR; \
782 } \
783 } \
784 }else{ \
785 if(targetByteUnit & 0xFF00){ \
786 args->converter->charErrorBuffer[args->converter->charErrorBufferLength++] = \
787 (uint8_t) (targetByteUnit >>8); \
788 } \
789 args->converter->charErrorBuffer[args->converter->charErrorBufferLength++] = \
790 (uint8_t) (targetByteUnit); \
791 *err = U_BUFFER_OVERFLOW_ERROR; \
792 } \
793 }
794
795 /* Rules:
796 * Explicit Halant :
797 * <HALANT> + <ZWNJ>
798 * Soft Halant :
799 * <HALANT> + <ZWJ>
800 */
801
802 static void
803 UConverter_fromUnicode_ISCII_OFFSETS_LOGIC (UConverterFromUnicodeArgs * args,
804 UErrorCode * err){
805 const UChar *source = args->source;
806 const UChar *sourceLimit = args->sourceLimit;
807 unsigned char *target = (unsigned char *) args->target;
808 unsigned char *targetLimit = (unsigned char *) args->targetLimit;
809 int32_t* offsets = args->offsets;
810 uint32_t targetByteUnit = 0x0000;
811 UChar32 sourceChar = 0x0000;
812 UBool useFallback;
813 UConverterDataISCII *converterData;
814 uint16_t newDelta=0;
815 uint16_t range = 0;
816 UBool deltaChanged = FALSE;
817
818 if ((args->converter == NULL) || (args->targetLimit < args->target) || (args->sourceLimit < args->source)){
819 *err = U_ILLEGAL_ARGUMENT_ERROR;
820 return;
821 }
822 /* initialize data */
823 converterData=(UConverterDataISCII*)args->converter->extraInfo;
824 useFallback = args->converter->useFallback;
825 newDelta=converterData->currentDeltaFromUnicode;
826 range = (uint16_t)(newDelta/DELTA);
827
828 if((sourceChar = args->converter->fromUChar32)!=0) {
829 goto getTrail;
830 }
831
832 /*writing the char to the output stream */
833 while(source < sourceLimit){
834
835 targetByteUnit = missingCharMarker;
836
837 sourceChar = *source++;
838
839 /*check if input is in ASCII and C0 control codes range*/
840 if (sourceChar <= ASCII_END) {
841 WRITE_TO_TARGET_FROM_U(args,offsets,source,target,targetLimit,sourceChar,err);
842 if(U_FAILURE(*err)){
843 break;
844 }
845 if(sourceChar == LF){
846 targetByteUnit = ATR<<8;
847 targetByteUnit += (uint8_t) lookupInitialData[range][2];
848 args->converter->fromUnicodeStatus=sourceChar;
849 /* now append ATR and language code */
850 WRITE_TO_TARGET_FROM_U(args,offsets,source,target,targetLimit,targetByteUnit,err);
851 if(U_FAILURE(*err)){
852 break;
853 }
854 }
855 continue;
856 }
857 switch(sourceChar){
858 case ZWNJ:
859 /* contextChar has HALANT */
860 if(converterData->contextCharFromUnicode){
861 converterData->contextCharFromUnicode = 0x00;
862 targetByteUnit = ISCII_HALANT;
863 }else{
864 /* consume ZWNJ and continue */
865 converterData->contextCharFromUnicode = 0x00;
866 continue;
867 }
868 break;
869 case ZWJ:
870 /* contextChar has HALANT */
871 if(converterData->contextCharFromUnicode){
872 targetByteUnit = ISCII_NUKTA;
873 }else{
874 targetByteUnit =ISCII_INV;
875 }
876 converterData->contextCharFromUnicode = 0x00;
877 break;
878 default:
879 /* is the sourceChar in the INDIC_RANGE? */
880 if((uint16_t)(INDIC_BLOCK_END-sourceChar) <= INDIC_RANGE){
881 /* Danda and Double Danda are valid in Northern scripts.. since Unicode
882 * does not include these codepoints in all Northern scrips we need to
883 * filter them out
884 */
885 if(sourceChar!= DANDA && sourceChar != DOUBLE_DANDA){
886 /* find out to which block the souceChar belongs*/
887 range =(uint16_t)((sourceChar-INDIC_BLOCK_BEGIN)/DELTA);
888 newDelta =(uint16_t)(range*DELTA);
889
890 /* Now are we in the same block as the previous? */
891 if(newDelta!= converterData->currentDeltaFromUnicode || converterData->isFirstBuffer){
892 converterData->currentDeltaFromUnicode = newDelta;
893 converterData->currentMaskFromUnicode = lookupInitialData[range][1];
894 deltaChanged =TRUE;
895 converterData->isFirstBuffer=FALSE;
896 }
897 /* Normalize all Indic codepoints to Devanagari and map them to ISCII */
898 /* now subtract the new delta from sourceChar*/
899 sourceChar -= converterData->currentDeltaFromUnicode ;
900 }
901
902 /* get the target byte unit */
903 targetByteUnit=fromUnicodeTable[(uint8_t)sourceChar];
904
905 /* is the code point valid in current script? */
906 if((validityTable[(uint8_t)sourceChar] & converterData->currentMaskFromUnicode)==0){
907 /* Vocallic RR is assigne in ISCII Telugu and Unicode */
908 if(converterData->currentDeltaFromUnicode!=(TELUGU_DELTA) && sourceChar!=VOCALLIC_RR){
909 targetByteUnit=missingCharMarker;
910 }
911 }
912
913 if(deltaChanged){
914 /* we are in a script block which is different than
915 * previous sourceChar's script block write ATR and language codes
916 */
917 uint16_t temp=0;
918 temp =(uint16_t)(ATR<<8);
919 temp += (uint16_t)((uint8_t) lookupInitialData[range][2]);
920 /* reset */
921 deltaChanged=FALSE;
922 /* now append ATR and language code */
923 WRITE_TO_TARGET_FROM_U(args,offsets,source,target,targetLimit,temp,err);
924 if(U_FAILURE(*err)){
925 break;
926 }
927 }
928 }
929 /* reset context char */
930 converterData->contextCharFromUnicode = 0x00;
931 break;
932 }
933
934
935 if(targetByteUnit != missingCharMarker){
936 if(targetByteUnit==ISCII_HALANT){
937 converterData->contextCharFromUnicode = (UChar)targetByteUnit;
938 }
939 /* write targetByteUnit to target*/
940 WRITE_TO_TARGET_FROM_U(args,offsets,source,target,targetLimit,targetByteUnit,err);
941 if(U_FAILURE(*err)){
942 break;
943 }
944 }
945 else{
946 /* oops.. the code point is unassigned */
947 /*check if the char is a First surrogate*/
948 if(UTF_IS_SURROGATE(sourceChar)) {
949 if(UTF_IS_SURROGATE_FIRST(sourceChar)) {
950 getTrail:
951 /*look ahead to find the trail surrogate*/
952 if(source < sourceLimit) {
953 /* test the following code unit */
954 UChar trail= (*source);
955 if(UTF_IS_SECOND_SURROGATE(trail)) {
956 source++;
957 sourceChar=UTF16_GET_PAIR_VALUE(sourceChar, trail);
958 *err =U_INVALID_CHAR_FOUND;
959 /* convert this surrogate code point */
960 /* exit this condition tree */
961 } else {
962 /* this is an unmatched lead code unit (1st surrogate) */
963 /* callback(illegal) */
964 *err=U_ILLEGAL_CHAR_FOUND;
965 }
966 } else {
967 /* no more input */
968 *err = U_ZERO_ERROR;
969 }
970 } else {
971 /* this is an unmatched trail code unit (2nd surrogate) */
972 /* callback(illegal) */
973 *err=U_ILLEGAL_CHAR_FOUND;
974 }
975 } else {
976 /* callback(unassigned) for a BMP code point */
977 *err = U_INVALID_CHAR_FOUND;
978 }
979
980 args->converter->fromUChar32=sourceChar;
981 break;
982 }
983 }/* end while(mySourceIndex<mySourceLength) */
984
985 /*save the state and return */
986 args->source = source;
987 args->target = (char*)target;
988 }
989
990 static const int32_t lookupTable[][2]={
991 { ZERO, ZERO }, /*DEFALT*/
992 { ZERO, ZERO }, /*ROMAN*/
993 { DEVANAGARI, DEV_MASK },
994 { BENGALI, BNG_MASK },
995 { TAMIL, TML_MASK },
996 { TELUGU, KND_MASK },
997 { BENGALI, BNG_MASK },
998 { ORIYA, ORI_MASK },
999 { KANNADA, KND_MASK },
1000 { GUJARATI, GJR_MASK },
1001 { GURMUKHI, PNJ_MASK },
1002 };
1003
1004 #define WRITE_TO_TARGET_TO_U(args,source,target,offsets,offset,targetUniChar,delta, err){\
1005 /* add offset to current Indic Block */ \
1006 if(targetUniChar>ASCII_END && \
1007 targetUniChar != ZWJ && \
1008 targetUniChar != ZWNJ && \
1009 targetUniChar != DANDA && \
1010 targetUniChar != DOUBLE_DANDA){ \
1011 \
1012 targetUniChar+=(uint16_t)(delta); \
1013 } \
1014 /* now write the targetUniChar */ \
1015 if(target<args->targetLimit){ \
1016 *(target)++ = (UChar)targetUniChar; \
1017 if(offsets){ \
1018 *(offsets)++ = (int32_t)(offset); \
1019 } \
1020 }else{ \
1021 args->converter->UCharErrorBuffer[args->converter->UCharErrorBufferLength++] = \
1022 (UChar)targetUniChar; \
1023 *err = U_BUFFER_OVERFLOW_ERROR; \
1024 } \
1025 }
1026
1027 #define GET_MAPPING(sourceChar,targetUniChar,data){ \
1028 targetUniChar = toUnicodeTable[(sourceChar)] ; \
1029 /* is the code point valid in current script? */ \
1030 if(sourceChar> ASCII_END && \
1031 (validityTable[(uint8_t)targetUniChar] & data->currentMaskToUnicode)==0){ \
1032 /* Vocallic RR is assigne in ISCII Telugu and Unicode */ \
1033 if(data->currentDeltaToUnicode!=(TELUGU_DELTA) && \
1034 targetUniChar!=VOCALLIC_RR){ \
1035 targetUniChar=missingCharMarker; \
1036 } \
1037 } \
1038 }
1039
1040 /***********
1041 * Rules for ISCII to Unicode converter
1042 * ISCII is stateful encoding. To convert ISCII bytes to Unicode,
1043 * which has both precomposed and decomposed forms characters
1044 * pre-context and post-context need to be considered.
1045 *
1046 * Post context
1047 * i) ATR : Attribute code is used to declare the font and script switching.
1048 * Currently we only switch scripts and font codes consumed without generating an error
1049 * ii) EXT : Extention code is used to declare switching to Sanskrit and for obscure,
1050 * obsolete characters
1051 * Pre context
1052 * i) Halant: if preceeded by a halant then it is a explicit halant
1053 * ii) Nukta :
1054 * a) if preceeded by a halant then it is a soft halant
1055 * b) if preceeded by specific consonants and the ligatures have pre-composed
1056 * characters in Unicode then convert to pre-composed characters
1057 * iii) Danda: If Danda is preceeded by a Danda then convert to Double Danda
1058 *
1059 */
1060
1061 static void
1062 UConverter_toUnicode_ISCII_OFFSETS_LOGIC(UConverterToUnicodeArgs *args,
1063 UErrorCode* err){
1064 const char *source = ( char *) args->source;
1065 UChar *target = args->target;
1066 const char *sourceLimit = args->sourceLimit;
1067 const UChar* targetLimit = args->targetLimit;
1068 uint32_t targetUniChar = 0x0000;
1069 uint8_t sourceChar = 0x0000;
1070 UConverterDataISCII* data;
1071 UChar32* toUnicodeStatus=NULL;
1072 UChar* contextCharToUnicode = NULL;
1073
1074 if ((args->converter == NULL) || (target < args->target) || (source < args->source)){
1075 *err = U_ILLEGAL_ARGUMENT_ERROR;
1076 return;
1077 }
1078
1079 data = (UConverterDataISCII*)(args->converter->extraInfo);
1080 contextCharToUnicode = &data->contextCharToUnicode; /* contains previous ISCII codepoint visited */
1081 toUnicodeStatus = (UChar32*)&args->converter->toUnicodeStatus;/* contains the mapping to Unicode of the above codepoint*/
1082
1083 while(source<sourceLimit){
1084
1085 targetUniChar = missingCharMarker;
1086
1087 if(target < targetLimit){
1088 sourceChar = (unsigned char)*(source)++;
1089
1090 /* look at the post-context preform special processing */
1091 if(*contextCharToUnicode==ATR){
1092
1093 /* If we have ATR in *contextCharToUnicode then we need to change our
1094 * state to the Indic Script specified by sourceChar
1095 */
1096
1097 /* check if the sourceChar is supported script range*/
1098 if((uint8_t)(PNJ-sourceChar)<=PNJ-DEV){
1099 data->currentDeltaToUnicode =
1100 (uint16_t)(lookupTable[sourceChar & 0x0F][0] * DELTA);
1101 data->currentMaskToUnicode =
1102 lookupTable[sourceChar & 0x0F][1] ;
1103 }
1104 else if(sourceChar==DEF){
1105 /* switch back to default */
1106 data->currentDeltaToUnicode = data->defDeltaToUnicode;
1107 data->currentMaskToUnicode = data->defMaskToUnicode;
1108 }else{
1109 if((sourceChar >= 0x21 && sourceChar <= 0x3F)){
1110 /* these are display codes consume and continue */
1111 }else{
1112 *err =U_ILLEGAL_CHAR_FOUND;
1113 /* reset */
1114 *contextCharToUnicode=NO_CHAR_MARKER;
1115 goto CALLBACK;
1116 }
1117 }
1118
1119 /* reset */
1120 *contextCharToUnicode=NO_CHAR_MARKER;
1121
1122 continue;
1123
1124 }else if(*contextCharToUnicode==EXT){
1125 /* check if sourceChar is in 0xA1-0xEE range */
1126 if((uint8_t) (EXT_RANGE_END - sourceChar) <= (EXT_RANGE_END - EXT_RANGE_BEGIN)){
1127 /* We currently support only Anudatta and Devanagari abbreviation sign */
1128 if(sourceChar==0xBF || sourceChar == 0xB8){
1129 targetUniChar = (sourceChar==0xBF) ? DEV_ABBR_SIGN : DEV_ANUDATTA;
1130
1131 /* find out if the mapping is valid in this state */
1132 if(validityTable[(uint8_t)targetUniChar] & data->currentMaskToUnicode){
1133
1134 *contextCharToUnicode= NO_CHAR_MARKER;
1135
1136 /* write to target */
1137 WRITE_TO_TARGET_TO_U(args,source,target,args->offsets,(source-args->source -2),
1138 targetUniChar,data->currentDeltaToUnicode,err);
1139
1140 continue;
1141 }
1142 }
1143 /* byte unit is unassigned */
1144 targetUniChar = missingCharMarker;
1145 *err= U_INVALID_CHAR_FOUND;
1146 }else{
1147 /* only 0xA1 - 0xEE are legal after EXT char */
1148 *contextCharToUnicode= NO_CHAR_MARKER;
1149 *err = U_ILLEGAL_CHAR_FOUND;
1150 }
1151 goto CALLBACK;
1152 }else if(*contextCharToUnicode==ISCII_INV){
1153 if(sourceChar==ISCII_HALANT){
1154 targetUniChar = 0x0020; /* replace with space accoding to Indic FAQ */
1155 }else{
1156 targetUniChar = ZWJ;
1157 }
1158
1159 /* write to target */
1160 WRITE_TO_TARGET_TO_U(args,source,target,args->offsets,(source-args->source -2),
1161 targetUniChar,data->currentDeltaToUnicode,err);
1162 /* reset */
1163 *contextCharToUnicode=NO_CHAR_MARKER;
1164 }
1165
1166 /* look at the pre-context and perform special processing */
1167 switch(sourceChar){
1168 case ISCII_INV:
1169 case EXT: /*falls through*/
1170 case ATR:
1171 *contextCharToUnicode = (UChar)sourceChar;
1172
1173 if(*toUnicodeStatus != missingCharMarker){
1174
1175 WRITE_TO_TARGET_TO_U(args,source,target,args->offsets,(source-args->source -2),
1176 *toUnicodeStatus,data->currentDeltaToUnicode,err);
1177 *toUnicodeStatus = missingCharMarker;
1178 }
1179 continue;
1180 case ISCII_DANDA:
1181 /* handle double danda*/
1182 if(*contextCharToUnicode== ISCII_DANDA){
1183 targetUniChar = DOUBLE_DANDA;
1184 /* clear the context */
1185 *contextCharToUnicode = NO_CHAR_MARKER;
1186 *toUnicodeStatus = missingCharMarker;
1187 }else{
1188 GET_MAPPING(sourceChar,targetUniChar,data);
1189 *contextCharToUnicode = sourceChar;
1190 }
1191 break;
1192 case ISCII_HALANT:
1193 /* handle explicit halant */
1194 if(*contextCharToUnicode == ISCII_HALANT){
1195 targetUniChar = ZWNJ;
1196 /* clear the context */
1197 *contextCharToUnicode = NO_CHAR_MARKER;
1198 }else{
1199 GET_MAPPING(sourceChar,targetUniChar,data);
1200 *contextCharToUnicode = sourceChar;
1201 }
1202 break;
1203 case ISCII_NUKTA:
1204 /* handle soft halant */
1205 if(*contextCharToUnicode == ISCII_HALANT){
1206 targetUniChar = ZWJ;
1207 /* clear the context */
1208 *contextCharToUnicode = NO_CHAR_MARKER;
1209 break;
1210 }else{
1211 /* try to handle <CHAR> + ISCII_NUKTA special mappings */
1212 int i=1;
1213 UBool found =FALSE;
1214 for( ;i<nuktaSpecialCases[0][0];i++){
1215 if(nuktaSpecialCases[i][0]==(uint8_t)*contextCharToUnicode){
1216 targetUniChar=nuktaSpecialCases[i][1];
1217 found =TRUE;
1218 break;
1219 }
1220 }
1221 if(found){
1222 /* find out if the mapping is valid in this state */
1223 if(validityTable[(uint8_t)targetUniChar] & data->currentMaskToUnicode){
1224 targetUniChar += data->currentDeltaToUnicode ;
1225 *contextCharToUnicode= NO_CHAR_MARKER;
1226 *toUnicodeStatus = missingCharMarker;
1227 break;
1228 }
1229 /* else fall through to default */
1230 }
1231 /* else fall through to default */
1232 }
1233 default:
1234 GET_MAPPING(sourceChar,targetUniChar,data);
1235 *contextCharToUnicode = sourceChar;
1236 break;
1237 }
1238
1239
1240 if(*toUnicodeStatus != missingCharMarker){
1241 /* write the previously mapped codepoint */
1242 WRITE_TO_TARGET_TO_U(args,source,target,args->offsets,(source-args->source -2),
1243 *toUnicodeStatus,data->currentDeltaToUnicode,err);
1244 *toUnicodeStatus = missingCharMarker;
1245 }
1246
1247
1248 if(targetUniChar != missingCharMarker ){
1249 /* now save the targetUniChar for delayed write */
1250 *toUnicodeStatus = (UChar) targetUniChar;
1251 }else{
1252
1253 /* we reach here only if targetUniChar == missingCharMarker
1254 * so assign codes to reason and err
1255 */
1256 *err = U_INVALID_CHAR_FOUND;
1257 CALLBACK:
1258 args->converter->toUBytes[0] = (uint8_t) sourceChar;
1259 args->converter->toULength = 1;
1260 break;
1261 }
1262
1263 }
1264 else{
1265 *err =U_BUFFER_OVERFLOW_ERROR;
1266 break;
1267 }
1268 }
1269
1270 if(U_SUCCESS(*err) && args->flush && source == sourceLimit) {
1271 /* end of the input stream */
1272 UConverter *cnv = args->converter;
1273
1274 if(*contextCharToUnicode==ATR || *contextCharToUnicode==EXT || *contextCharToUnicode==ISCII_INV){
1275 /* set toUBytes[] */
1276 cnv->toUBytes[0] = (uint8_t)*contextCharToUnicode;
1277 cnv->toULength = 1;
1278
1279 /* avoid looping on truncated sequences */
1280 *contextCharToUnicode = NO_CHAR_MARKER;
1281 }else{
1282 cnv->toULength = 0;
1283 }
1284
1285 if(*toUnicodeStatus != missingCharMarker) {
1286 /* output a remaining target character */
1287 WRITE_TO_TARGET_TO_U(args,source,target,args->offsets,(source - args->source -1),
1288 *toUnicodeStatus,data->currentDeltaToUnicode,err);
1289 *toUnicodeStatus = missingCharMarker;
1290 }
1291 }
1292
1293 args->target = target;
1294 args->source = source;
1295 }
1296
1297 /* structure for SafeClone calculations */
1298 struct cloneISCIIStruct
1299 {
1300 UConverter cnv;
1301 UConverterDataISCII mydata;
1302 };
1303
1304
1305 static UConverter *
1306 _ISCII_SafeClone(const UConverter *cnv,
1307 void *stackBuffer,
1308 int32_t *pBufferSize,
1309 UErrorCode *status)
1310 {
1311 struct cloneISCIIStruct * localClone;
1312 int32_t bufferSizeNeeded = sizeof(struct cloneISCIIStruct);
1313
1314 if (U_FAILURE(*status)){
1315 return 0;
1316 }
1317
1318 if (*pBufferSize == 0){ /* 'preflighting' request - set needed size into *pBufferSize */
1319 *pBufferSize = bufferSizeNeeded;
1320 return 0;
1321 }
1322
1323 localClone = (struct cloneISCIIStruct *)stackBuffer;
1324 uprv_memcpy(&localClone->cnv, cnv, sizeof(UConverter));
1325
1326 uprv_memcpy(&localClone->mydata, cnv->extraInfo, sizeof(UConverterDataISCII));
1327 localClone->cnv.extraInfo = &localClone->mydata;
1328 localClone->cnv.isExtraLocal = TRUE;
1329
1330 return &localClone->cnv;
1331 }
1332
1333 static void
1334 _ISCIIGetUnicodeSet(const UConverter *cnv,
1335 USetAdder *sa,
1336 UConverterUnicodeSet which,
1337 UErrorCode *pErrorCode)
1338 {
1339 int32_t idx, script;
1340 uint8_t mask;
1341
1342 /* Since all ISCII versions allow switching to other ISCII
1343 scripts, we add all roundtrippable characters to this set. */
1344 sa->addRange(sa->set, 0, ASCII_END);
1345 for (script = DEVANAGARI; script <= MALAYALAM; script++) {
1346 mask = (uint8_t)(lookupInitialData[script][1]);
1347 for (idx = 0; idx < DELTA; idx++) {
1348 if (validityTable[idx] & mask) {
1349 sa->add(sa->set, idx + (script * DELTA) + INDIC_BLOCK_BEGIN);
1350 }
1351 }
1352 }
1353 sa->add(sa->set, DANDA);
1354 sa->add(sa->set, DOUBLE_DANDA);
1355 sa->add(sa->set, ZWNJ);
1356 sa->add(sa->set, ZWJ);
1357 }
1358
1359 static const UConverterImpl _ISCIIImpl={
1360
1361 UCNV_ISCII,
1362
1363 NULL,
1364 NULL,
1365
1366 _ISCIIOpen,
1367 _ISCIIClose,
1368 _ISCIIReset,
1369
1370 UConverter_toUnicode_ISCII_OFFSETS_LOGIC,
1371 UConverter_toUnicode_ISCII_OFFSETS_LOGIC,
1372 UConverter_fromUnicode_ISCII_OFFSETS_LOGIC,
1373 UConverter_fromUnicode_ISCII_OFFSETS_LOGIC,
1374 NULL,
1375
1376 NULL,
1377 _ISCIIgetName,
1378 NULL,
1379 _ISCII_SafeClone,
1380 _ISCIIGetUnicodeSet
1381 };
1382
1383 static const UConverterStaticData _ISCIIStaticData={
1384 sizeof(UConverterStaticData),
1385 "ISCII",
1386 0,
1387 UCNV_IBM,
1388 UCNV_ISCII,
1389 1,
1390 4,
1391 { 0x1a, 0, 0, 0 },
1392 0x1,
1393 FALSE,
1394 FALSE,
1395 0x0,
1396 0x0,
1397 { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }, /* reserved */
1398
1399 };
1400
1401 const UConverterSharedData _ISCIIData={
1402 sizeof(UConverterSharedData),
1403 ~((uint32_t) 0),
1404 NULL,
1405 NULL,
1406 &_ISCIIStaticData,
1407 FALSE,
1408 &_ISCIIImpl,
1409 0
1410 };
1411
1412 #endif /* #if !UCONFIG_NO_LEGACY_CONVERSION */
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