/src/libfwevt/libuna/libuna_codepage_windows_1258.c
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1 | | /* |
2 | | * Windows 1258 codepage (Vietnamese) functions |
3 | | * |
4 | | * Copyright (C) 2008-2024, Joachim Metz <joachim.metz@gmail.com> |
5 | | * |
6 | | * Refer to AUTHORS for acknowledgements. |
7 | | * |
8 | | * This program is free software: you can redistribute it and/or modify |
9 | | * it under the terms of the GNU Lesser General Public License as published by |
10 | | * the Free Software Foundation, either version 3 of the License, or |
11 | | * (at your option) any later version. |
12 | | * |
13 | | * This program is distributed in the hope that it will be useful, |
14 | | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
15 | | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
16 | | * GNU General Public License for more details. |
17 | | * |
18 | | * You should have received a copy of the GNU Lesser General Public License |
19 | | * along with this program. If not, see <https://www.gnu.org/licenses/>. |
20 | | */ |
21 | | |
22 | | #include <common.h> |
23 | | #include <types.h> |
24 | | |
25 | | #include "libuna_codepage_windows_1258.h" |
26 | | #include "libuna_libcerror.h" |
27 | | #include "libuna_types.h" |
28 | | |
29 | | /* Extended ASCII to Unicode character lookup table for the Windows 1258 codepage |
30 | | * Unknown are filled with the Unicode replacement character 0xfffd |
31 | | */ |
32 | | const uint16_t libuna_codepage_windows_1258_byte_stream_to_unicode_base_0x80[ 128 ] = { |
33 | | 0x20ac, 0xfffd, 0x201a, 0x0192, 0x201e, 0x2026, 0x2020, 0x2021, |
34 | | 0x02c6, 0x2030, 0xfffd, 0x2039, 0x0152, 0xfffd, 0xfffd, 0xfffd, |
35 | | 0xfffd, 0x2018, 0x2019, 0x201c, 0x201d, 0x2022, 0x2013, 0x2014, |
36 | | 0x02dc, 0x2122, 0xfffd, 0x203a, 0x0153, 0xfffd, 0xfffd, 0x0178, |
37 | | 0x00a0, 0x00a1, 0x00a2, 0x00a3, 0x00a4, 0x00a5, 0x00a6, 0x00a7, |
38 | | 0x00a8, 0x00a9, 0x00aa, 0x00ab, 0x00ac, 0x00ad, 0x00ae, 0x00af, |
39 | | 0x00b0, 0x00b1, 0x00b2, 0x00b3, 0x00b4, 0x00b5, 0x00b6, 0x00b7, |
40 | | 0x00b8, 0x00b9, 0x00ba, 0x00bb, 0x00bc, 0x00bd, 0x00be, 0x00bf, |
41 | | 0x00c0, 0x00c1, 0x00c2, 0x0102, 0x00c4, 0x00c5, 0x00c6, 0x00c7, |
42 | | 0x00c8, 0x00c9, 0x00ca, 0x00cb, 0x0300, 0x00cd, 0x00ce, 0x00cf, |
43 | | 0x0110, 0x00d1, 0x0309, 0x00d3, 0x00d4, 0x01a0, 0x00d6, 0x00d7, |
44 | | 0x00d8, 0x00d9, 0x00da, 0x00db, 0x00dc, 0x01af, 0x0303, 0x00df, |
45 | | 0x00e0, 0x00e1, 0x00e2, 0x0103, 0x00e4, 0x00e5, 0x00e6, 0x00e7, |
46 | | 0x00e8, 0x00e9, 0x00ea, 0x00eb, 0x0301, 0x00ed, 0x00ee, 0x00ef, |
47 | | 0x0111, 0x00f1, 0x0323, 0x00f3, 0x00f4, 0x01a1, 0x00f6, 0x00f7, |
48 | | 0x00f8, 0x00f9, 0x00fa, 0x00fb, 0x00fc, 0x01b0, 0x20ab, 0x00ff |
49 | | }; |
50 | | |
51 | | /* Unicode to ASCII character lookup tables for the Windows 1258 codepage |
52 | | * Unknown are filled with the ASCII replacement character 0x1a |
53 | | */ |
54 | | const uint8_t libuna_codepage_windows_1258_unicode_to_byte_stream_base_0x00c0[ 72 ] = { |
55 | | 0xc0, 0xc1, 0xc2, 0x1a, 0xc4, 0xc5, 0xc6, 0xc7, |
56 | | 0xc8, 0xc9, 0xca, 0xcb, 0x1a, 0xcd, 0xce, 0xcf, |
57 | | 0x1a, 0xd1, 0x1a, 0xd3, 0xd4, 0x1a, 0xd6, 0xd7, |
58 | | 0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0x1a, 0x1a, 0xdf, |
59 | | 0xe0, 0xe1, 0xe2, 0x1a, 0xe4, 0xe5, 0xe6, 0xe7, |
60 | | 0xe8, 0xe9, 0xea, 0xeb, 0x1a, 0xed, 0xee, 0xef, |
61 | | 0x1a, 0xf1, 0x1a, 0xf3, 0xf4, 0x1a, 0xf6, 0xf7, |
62 | | 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0x1a, 0x1a, 0xff, |
63 | | 0x1a, 0x1a, 0xc3, 0xe3, 0x1a, 0x1a, 0x1a, 0x1a |
64 | | }; |
65 | | |
66 | | const uint8_t libuna_codepage_windows_1258_unicode_to_byte_stream_base_0x2010[ 24 ] = { |
67 | | 0x1a, 0x1a, 0x1a, 0x96, 0x97, 0x1a, 0x1a, 0x1a, |
68 | | 0x91, 0x92, 0x82, 0x1a, 0x93, 0x94, 0x84, 0x1a, |
69 | | 0x86, 0x87, 0x95, 0x1a, 0x1a, 0x1a, 0x85, 0x1a |
70 | | }; |
71 | | |
72 | | /* Copies an Unicode character from a Windows 1258 encoded byte stream |
73 | | * Returns 1 if successful or -1 on error |
74 | | */ |
75 | | int libuna_codepage_windows_1258_copy_from_byte_stream( |
76 | | libuna_unicode_character_t *unicode_character, |
77 | | const uint8_t *byte_stream, |
78 | | size_t byte_stream_size, |
79 | | size_t *byte_stream_index, |
80 | | libcerror_error_t **error ) |
81 | 0 | { |
82 | 0 | static char *function = "libuna_codepage_windows_1258_copy_from_byte_stream"; |
83 | 0 | libuna_unicode_character_t safe_unicode_character = 0xfffd; |
84 | 0 | size_t safe_byte_stream_index = 0; |
85 | 0 | uint8_t byte_stream_character = 0; |
86 | |
|
87 | 0 | if( unicode_character == NULL ) |
88 | 0 | { |
89 | 0 | libcerror_error_set( |
90 | 0 | error, |
91 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
92 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
93 | 0 | "%s: invalid Unicode character.", |
94 | 0 | function ); |
95 | |
|
96 | 0 | return( -1 ); |
97 | 0 | } |
98 | 0 | if( byte_stream == NULL ) |
99 | 0 | { |
100 | 0 | libcerror_error_set( |
101 | 0 | error, |
102 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
103 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
104 | 0 | "%s: invalid byte stream.", |
105 | 0 | function ); |
106 | |
|
107 | 0 | return( -1 ); |
108 | 0 | } |
109 | 0 | if( byte_stream_size > (size_t) SSIZE_MAX ) |
110 | 0 | { |
111 | 0 | libcerror_error_set( |
112 | 0 | error, |
113 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
114 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM, |
115 | 0 | "%s: invalid byte stream size value exceeds maximum.", |
116 | 0 | function ); |
117 | |
|
118 | 0 | return( -1 ); |
119 | 0 | } |
120 | 0 | if( byte_stream_index == NULL ) |
121 | 0 | { |
122 | 0 | libcerror_error_set( |
123 | 0 | error, |
124 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
125 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
126 | 0 | "%s: invalid byte stream index.", |
127 | 0 | function ); |
128 | |
|
129 | 0 | return( -1 ); |
130 | 0 | } |
131 | 0 | safe_byte_stream_index = *byte_stream_index; |
132 | |
|
133 | 0 | if( safe_byte_stream_index >= byte_stream_size ) |
134 | 0 | { |
135 | 0 | libcerror_error_set( |
136 | 0 | error, |
137 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
138 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL, |
139 | 0 | "%s: byte stream too small.", |
140 | 0 | function ); |
141 | |
|
142 | 0 | return( -1 ); |
143 | 0 | } |
144 | 0 | byte_stream_character = byte_stream[ safe_byte_stream_index++ ]; |
145 | |
|
146 | 0 | if( byte_stream_character < 0x80 ) |
147 | 0 | { |
148 | 0 | safe_unicode_character = byte_stream_character; |
149 | 0 | } |
150 | 0 | else |
151 | 0 | { |
152 | 0 | byte_stream_character -= 0x80; |
153 | |
|
154 | 0 | safe_unicode_character = libuna_codepage_windows_1258_byte_stream_to_unicode_base_0x80[ byte_stream_character ]; |
155 | 0 | } |
156 | 0 | *unicode_character = safe_unicode_character; |
157 | 0 | *byte_stream_index = safe_byte_stream_index; |
158 | |
|
159 | 0 | return( 1 ); |
160 | 0 | } |
161 | | |
162 | | /* Copies an Unicode character to a Windows 1258 encoded byte stream |
163 | | * Returns 1 if successful or -1 on error |
164 | | */ |
165 | | int libuna_codepage_windows_1258_copy_to_byte_stream( |
166 | | libuna_unicode_character_t unicode_character, |
167 | | uint8_t *byte_stream, |
168 | | size_t byte_stream_size, |
169 | | size_t *byte_stream_index, |
170 | | libcerror_error_t **error ) |
171 | 0 | { |
172 | 0 | static char *function = "libuna_codepage_windows_1258_copy_to_byte_stream"; |
173 | 0 | size_t safe_byte_stream_index = 0; |
174 | 0 | uint16_t byte_stream_value = 0x001a; |
175 | |
|
176 | 0 | if( byte_stream == NULL ) |
177 | 0 | { |
178 | 0 | libcerror_error_set( |
179 | 0 | error, |
180 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
181 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
182 | 0 | "%s: invalid byte stream.", |
183 | 0 | function ); |
184 | |
|
185 | 0 | return( -1 ); |
186 | 0 | } |
187 | 0 | if( byte_stream_size > (size_t) SSIZE_MAX ) |
188 | 0 | { |
189 | 0 | libcerror_error_set( |
190 | 0 | error, |
191 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
192 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM, |
193 | 0 | "%s: invalid byte stream size value exceeds maximum.", |
194 | 0 | function ); |
195 | |
|
196 | 0 | return( -1 ); |
197 | 0 | } |
198 | 0 | if( byte_stream_index == NULL ) |
199 | 0 | { |
200 | 0 | libcerror_error_set( |
201 | 0 | error, |
202 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
203 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
204 | 0 | "%s: invalid byte stream index.", |
205 | 0 | function ); |
206 | |
|
207 | 0 | return( -1 ); |
208 | 0 | } |
209 | 0 | safe_byte_stream_index = *byte_stream_index; |
210 | |
|
211 | 0 | if( safe_byte_stream_index >= byte_stream_size ) |
212 | 0 | { |
213 | 0 | libcerror_error_set( |
214 | 0 | error, |
215 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
216 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL, |
217 | 0 | "%s: byte stream too small.", |
218 | 0 | function ); |
219 | |
|
220 | 0 | return( -1 ); |
221 | 0 | } |
222 | 0 | if( unicode_character < 0x0080 ) |
223 | 0 | { |
224 | 0 | byte_stream_value = (uint16_t) unicode_character; |
225 | 0 | } |
226 | 0 | else if( ( unicode_character >= 0x00a0 ) |
227 | 0 | && ( unicode_character < 0x00c0 ) ) |
228 | 0 | { |
229 | 0 | byte_stream_value = (uint16_t) unicode_character; |
230 | 0 | } |
231 | 0 | else if( ( unicode_character >= 0x00c0 ) |
232 | 0 | && ( unicode_character < 0x0108 ) ) |
233 | 0 | { |
234 | 0 | unicode_character -= 0x00c0; |
235 | |
|
236 | 0 | byte_stream_value = libuna_codepage_windows_1258_unicode_to_byte_stream_base_0x00c0[ unicode_character ]; |
237 | 0 | } |
238 | 0 | else if( ( unicode_character >= 0x2010 ) |
239 | 0 | && ( unicode_character < 0x2028 ) ) |
240 | 0 | { |
241 | 0 | unicode_character -= 0x2010; |
242 | |
|
243 | 0 | byte_stream_value = libuna_codepage_windows_1258_unicode_to_byte_stream_base_0x2010[ unicode_character ]; |
244 | 0 | } |
245 | 0 | else switch( unicode_character ) |
246 | 0 | { |
247 | 0 | case 0x0110: |
248 | 0 | byte_stream_value = 0xd0; |
249 | 0 | break; |
250 | | |
251 | 0 | case 0x0111: |
252 | 0 | byte_stream_value = 0xf0; |
253 | 0 | break; |
254 | | |
255 | 0 | case 0x0152: |
256 | 0 | byte_stream_value = 0x8c; |
257 | 0 | break; |
258 | | |
259 | 0 | case 0x0153: |
260 | 0 | byte_stream_value = 0x9c; |
261 | 0 | break; |
262 | | |
263 | 0 | case 0x0178: |
264 | 0 | byte_stream_value = 0x9f; |
265 | 0 | break; |
266 | | |
267 | 0 | case 0x0192: |
268 | 0 | byte_stream_value = 0x83; |
269 | 0 | break; |
270 | | |
271 | 0 | case 0x01a0: |
272 | 0 | byte_stream_value = 0xd5; |
273 | 0 | break; |
274 | | |
275 | 0 | case 0x01a1: |
276 | 0 | byte_stream_value = 0xf5; |
277 | 0 | break; |
278 | | |
279 | 0 | case 0x01af: |
280 | 0 | byte_stream_value = 0xdd; |
281 | 0 | break; |
282 | | |
283 | 0 | case 0x01b0: |
284 | 0 | byte_stream_value = 0xfd; |
285 | 0 | break; |
286 | | |
287 | 0 | case 0x02c6: |
288 | 0 | byte_stream_value = 0x88; |
289 | 0 | break; |
290 | | |
291 | 0 | case 0x02dc: |
292 | 0 | byte_stream_value = 0x98; |
293 | 0 | break; |
294 | | |
295 | 0 | case 0x0300: |
296 | 0 | byte_stream_value = 0xcc; |
297 | 0 | break; |
298 | | |
299 | 0 | case 0x0301: |
300 | 0 | byte_stream_value = 0xec; |
301 | 0 | break; |
302 | | |
303 | 0 | case 0x0303: |
304 | 0 | byte_stream_value = 0xde; |
305 | 0 | break; |
306 | | |
307 | 0 | case 0x0309: |
308 | 0 | byte_stream_value = 0xd2; |
309 | 0 | break; |
310 | | |
311 | 0 | case 0x0323: |
312 | 0 | byte_stream_value = 0xf2; |
313 | 0 | break; |
314 | | |
315 | 0 | case 0x2030: |
316 | 0 | byte_stream_value = 0x89; |
317 | 0 | break; |
318 | | |
319 | 0 | case 0x2039: |
320 | 0 | byte_stream_value = 0x8b; |
321 | 0 | break; |
322 | | |
323 | 0 | case 0x203a: |
324 | 0 | byte_stream_value = 0x9b; |
325 | 0 | break; |
326 | | |
327 | 0 | case 0x20ab: |
328 | 0 | byte_stream_value = 0xfe; |
329 | 0 | break; |
330 | | |
331 | 0 | case 0x20ac: |
332 | 0 | byte_stream_value = 0x80; |
333 | 0 | break; |
334 | | |
335 | 0 | case 0x2122: |
336 | 0 | byte_stream_value = 0x99; |
337 | 0 | break; |
338 | | |
339 | 0 | default: |
340 | 0 | byte_stream_value = 0x1a; |
341 | 0 | break; |
342 | 0 | } |
343 | 0 | byte_stream[ safe_byte_stream_index++ ] = (uint8_t) ( byte_stream_value & 0x00ff ); |
344 | |
|
345 | 0 | *byte_stream_index = safe_byte_stream_index; |
346 | |
|
347 | 0 | return( 1 ); |
348 | 0 | } |
349 | | |