/src/liblnk/libuna/libuna_codepage_mac_dingbats.c
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1 | | /* |
2 | | * MacDingbats codepage 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_mac_dingbats.h" |
26 | | #include "libuna_libcerror.h" |
27 | | #include "libuna_types.h" |
28 | | |
29 | | /* Extended ASCII to Unicode character lookup table for the MacDingbats codepage |
30 | | * Unknown are filled with the Unicode replacement character 0xfffd |
31 | | */ |
32 | | const uint16_t libuna_codepage_mac_dingbats_byte_stream_to_unicode_base_0x20[ 224 ] = { |
33 | | 0x0020, 0x2701, 0x2702, 0x2703, 0x2704, 0x260e, 0x2706, 0x2707, |
34 | | 0x2708, 0x2709, 0x261b, 0x261e, 0x270c, 0x270d, 0x270e, 0x270f, |
35 | | 0x2710, 0x2711, 0x2712, 0x2713, 0x2714, 0x2715, 0x2716, 0x2717, |
36 | | 0x2718, 0x2719, 0x271a, 0x271b, 0x271c, 0x271d, 0x271e, 0x271f, |
37 | | 0x2720, 0x2721, 0x2722, 0x2723, 0x2724, 0x2725, 0x2726, 0x2727, |
38 | | 0x2605, 0x2729, 0x272a, 0x272b, 0x272c, 0x272d, 0x272e, 0x272f, |
39 | | 0x2730, 0x2731, 0x2732, 0x2733, 0x2734, 0x2735, 0x2736, 0x2737, |
40 | | 0x2738, 0x2739, 0x273a, 0x273b, 0x273c, 0x273d, 0x273e, 0x273f, |
41 | | 0x2740, 0x2741, 0x2742, 0x2743, 0x2744, 0x2745, 0x2746, 0x2747, |
42 | | 0x2748, 0x2749, 0x274a, 0x274b, 0x25cf, 0x274d, 0x25a0, 0x274f, |
43 | | 0x2750, 0x2751, 0x2752, 0x25b2, 0x25bc, 0x25c6, 0x2756, 0x25d7, |
44 | | 0x2758, 0x2759, 0x275a, 0x275b, 0x275c, 0x275d, 0x275e, 0x007f, |
45 | | 0x2768, 0x2769, 0x276a, 0x276b, 0x276c, 0x276d, 0x276e, 0x276f, |
46 | | 0x2770, 0x2771, 0x2772, 0x2773, 0x2774, 0x2775, 0xfffd, 0xfffd, |
47 | | 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, |
48 | | 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, |
49 | | 0xfffd, 0x2761, 0x2762, 0x2763, 0x2764, 0x2765, 0x2766, 0x2767, |
50 | | 0x2663, 0x2666, 0x2665, 0x2660, 0x2460, 0x2461, 0x2462, 0x2463, |
51 | | 0x2464, 0x2465, 0x2466, 0x2467, 0x2468, 0x2469, 0x2776, 0x2777, |
52 | | 0x2778, 0x2779, 0x277a, 0x277b, 0x277c, 0x277d, 0x277e, 0x277f, |
53 | | 0x2780, 0x2781, 0x2782, 0x2783, 0x2784, 0x2785, 0x2786, 0x2787, |
54 | | 0x2788, 0x2789, 0x278a, 0x278b, 0x278c, 0x278d, 0x278e, 0x278f, |
55 | | 0x2790, 0x2791, 0x2792, 0x2793, 0x2794, 0x2192, 0x2194, 0x2195, |
56 | | 0x2798, 0x2799, 0x279a, 0x279b, 0x279c, 0x279d, 0x279e, 0x279f, |
57 | | 0x27a0, 0x27a1, 0x27a2, 0x27a3, 0x27a4, 0x27a5, 0x27a6, 0x27a7, |
58 | | 0x27a8, 0x27a9, 0x27aa, 0x27ab, 0x27ac, 0x27ad, 0x27ae, 0x27af, |
59 | | 0xfffd, 0x27b1, 0x27b2, 0x27b3, 0x27b4, 0x27b5, 0x27b6, 0x27b7, |
60 | | 0x27b8, 0x27b9, 0x27ba, 0x27bb, 0x27bc, 0x27bd, 0x27be, 0xfffd |
61 | | }; |
62 | | |
63 | | /* Unicode to ASCII character lookup tables for the MacDingbats codepage |
64 | | * Unknown are filled with the ASCII replacement character 0x1a |
65 | | */ |
66 | | const uint8_t libuna_codepage_mac_dingbats_unicode_to_byte_stream_base_0x2460[ 16 ] = { |
67 | | 0xac, 0xad, 0xae, 0xaf, 0xb0, 0xb1, 0xb2, 0xb3, |
68 | | 0xb4, 0xb5, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a |
69 | | }; |
70 | | |
71 | | const uint8_t libuna_codepage_mac_dingbats_unicode_to_byte_stream_base_0x2700[ 192 ] = { |
72 | | 0x1a, 0x21, 0x22, 0x23, 0x24, 0x1a, 0x26, 0x27, |
73 | | 0x28, 0x29, 0x1a, 0x1a, 0x2c, 0x2d, 0x2e, 0x2f, |
74 | | 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, |
75 | | 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, |
76 | | 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, |
77 | | 0x1a, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, |
78 | | 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, |
79 | | 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f, |
80 | | 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, |
81 | | 0x68, 0x69, 0x6a, 0x6b, 0x1a, 0x6d, 0x1a, 0x6f, |
82 | | 0x70, 0x71, 0x72, 0x1a, 0x1a, 0x1a, 0x76, 0x1a, |
83 | | 0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x1a, |
84 | | 0x1a, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, |
85 | | 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, |
86 | | 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0xb6, 0xb7, |
87 | | 0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf, |
88 | | 0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, |
89 | | 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, |
90 | | 0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0x1a, 0x1a, 0x1a, |
91 | | 0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf, |
92 | | 0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, |
93 | | 0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef, |
94 | | 0x1a, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, |
95 | | 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0x1a |
96 | | }; |
97 | | |
98 | | /* Copies an Unicode character from a MacDingbats encoded byte stream |
99 | | * Returns 1 if successful or -1 on error |
100 | | */ |
101 | | int libuna_codepage_mac_dingbats_copy_from_byte_stream( |
102 | | libuna_unicode_character_t *unicode_character, |
103 | | const uint8_t *byte_stream, |
104 | | size_t byte_stream_size, |
105 | | size_t *byte_stream_index, |
106 | | libcerror_error_t **error ) |
107 | 0 | { |
108 | 0 | static char *function = "libuna_codepage_mac_dingbats_copy_from_byte_stream"; |
109 | 0 | libuna_unicode_character_t safe_unicode_character = 0xfffd; |
110 | 0 | size_t safe_byte_stream_index = 0; |
111 | 0 | uint8_t byte_stream_character = 0; |
112 | |
|
113 | 0 | if( unicode_character == NULL ) |
114 | 0 | { |
115 | 0 | libcerror_error_set( |
116 | 0 | error, |
117 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
118 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
119 | 0 | "%s: invalid Unicode character.", |
120 | 0 | function ); |
121 | |
|
122 | 0 | return( -1 ); |
123 | 0 | } |
124 | 0 | if( byte_stream == NULL ) |
125 | 0 | { |
126 | 0 | libcerror_error_set( |
127 | 0 | error, |
128 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
129 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
130 | 0 | "%s: invalid byte stream.", |
131 | 0 | function ); |
132 | |
|
133 | 0 | return( -1 ); |
134 | 0 | } |
135 | 0 | if( byte_stream_size > (size_t) SSIZE_MAX ) |
136 | 0 | { |
137 | 0 | libcerror_error_set( |
138 | 0 | error, |
139 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
140 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM, |
141 | 0 | "%s: invalid byte stream size value exceeds maximum.", |
142 | 0 | function ); |
143 | |
|
144 | 0 | return( -1 ); |
145 | 0 | } |
146 | 0 | if( byte_stream_index == NULL ) |
147 | 0 | { |
148 | 0 | libcerror_error_set( |
149 | 0 | error, |
150 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
151 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
152 | 0 | "%s: invalid byte stream index.", |
153 | 0 | function ); |
154 | |
|
155 | 0 | return( -1 ); |
156 | 0 | } |
157 | 0 | safe_byte_stream_index = *byte_stream_index; |
158 | |
|
159 | 0 | if( safe_byte_stream_index >= byte_stream_size ) |
160 | 0 | { |
161 | 0 | libcerror_error_set( |
162 | 0 | error, |
163 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
164 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL, |
165 | 0 | "%s: byte stream too small.", |
166 | 0 | function ); |
167 | |
|
168 | 0 | return( -1 ); |
169 | 0 | } |
170 | 0 | byte_stream_character = byte_stream[ safe_byte_stream_index++ ]; |
171 | |
|
172 | 0 | if( byte_stream_character < 0x20 ) |
173 | 0 | { |
174 | 0 | safe_unicode_character = byte_stream_character; |
175 | 0 | } |
176 | 0 | else |
177 | 0 | { |
178 | 0 | byte_stream_character -= 0x20; |
179 | |
|
180 | 0 | safe_unicode_character = libuna_codepage_mac_dingbats_byte_stream_to_unicode_base_0x20[ byte_stream_character ]; |
181 | 0 | } |
182 | 0 | *unicode_character = safe_unicode_character; |
183 | 0 | *byte_stream_index = safe_byte_stream_index; |
184 | |
|
185 | 0 | return( 1 ); |
186 | 0 | } |
187 | | |
188 | | /* Copies an Unicode character to a MacDingbats encoded byte stream |
189 | | * Returns 1 if successful or -1 on error |
190 | | */ |
191 | | int libuna_codepage_mac_dingbats_copy_to_byte_stream( |
192 | | libuna_unicode_character_t unicode_character, |
193 | | uint8_t *byte_stream, |
194 | | size_t byte_stream_size, |
195 | | size_t *byte_stream_index, |
196 | | libcerror_error_t **error ) |
197 | 0 | { |
198 | 0 | static char *function = "libuna_codepage_mac_dingbats_copy_to_byte_stream"; |
199 | 0 | size_t safe_byte_stream_index = 0; |
200 | 0 | uint16_t byte_stream_value = 0x001a; |
201 | |
|
202 | 0 | if( byte_stream == NULL ) |
203 | 0 | { |
204 | 0 | libcerror_error_set( |
205 | 0 | error, |
206 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
207 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
208 | 0 | "%s: invalid byte stream.", |
209 | 0 | function ); |
210 | |
|
211 | 0 | return( -1 ); |
212 | 0 | } |
213 | 0 | if( byte_stream_size > (size_t) SSIZE_MAX ) |
214 | 0 | { |
215 | 0 | libcerror_error_set( |
216 | 0 | error, |
217 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
218 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM, |
219 | 0 | "%s: invalid byte stream size value exceeds maximum.", |
220 | 0 | function ); |
221 | |
|
222 | 0 | return( -1 ); |
223 | 0 | } |
224 | 0 | if( byte_stream_index == NULL ) |
225 | 0 | { |
226 | 0 | libcerror_error_set( |
227 | 0 | error, |
228 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
229 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
230 | 0 | "%s: invalid byte stream index.", |
231 | 0 | function ); |
232 | |
|
233 | 0 | return( -1 ); |
234 | 0 | } |
235 | 0 | safe_byte_stream_index = *byte_stream_index; |
236 | |
|
237 | 0 | if( safe_byte_stream_index >= byte_stream_size ) |
238 | 0 | { |
239 | 0 | libcerror_error_set( |
240 | 0 | error, |
241 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
242 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL, |
243 | 0 | "%s: byte stream too small.", |
244 | 0 | function ); |
245 | |
|
246 | 0 | return( -1 ); |
247 | 0 | } |
248 | 0 | if( ( unicode_character <= 0x0020 ) |
249 | 0 | || ( unicode_character == 0x007f ) ) |
250 | 0 | { |
251 | 0 | byte_stream_value = (uint16_t) unicode_character; |
252 | 0 | } |
253 | 0 | else if( ( unicode_character >= 0x2460 ) |
254 | 0 | && ( unicode_character < 0x2470 ) ) |
255 | 0 | { |
256 | 0 | unicode_character -= 0x2460; |
257 | |
|
258 | 0 | byte_stream_value = libuna_codepage_mac_dingbats_unicode_to_byte_stream_base_0x2460[ unicode_character ]; |
259 | 0 | } |
260 | 0 | else if( ( unicode_character >= 0x2700 ) |
261 | 0 | && ( unicode_character < 0x27c0 ) ) |
262 | 0 | { |
263 | 0 | unicode_character -= 0x2700; |
264 | |
|
265 | 0 | byte_stream_value = libuna_codepage_mac_dingbats_unicode_to_byte_stream_base_0x2700[ unicode_character ]; |
266 | 0 | } |
267 | 0 | else switch( unicode_character ) |
268 | 0 | { |
269 | 0 | case 0x2192: |
270 | 0 | byte_stream_value = 0xd5; |
271 | 0 | break; |
272 | | |
273 | 0 | case 0x2194: |
274 | 0 | byte_stream_value = 0xd6; |
275 | 0 | break; |
276 | | |
277 | 0 | case 0x2195: |
278 | 0 | byte_stream_value = 0xd7; |
279 | 0 | break; |
280 | | |
281 | 0 | case 0x25a0: |
282 | 0 | byte_stream_value = 0x6e; |
283 | 0 | break; |
284 | | |
285 | 0 | case 0x25b2: |
286 | 0 | byte_stream_value = 0x73; |
287 | 0 | break; |
288 | | |
289 | 0 | case 0x25bc: |
290 | 0 | byte_stream_value = 0x74; |
291 | 0 | break; |
292 | | |
293 | 0 | case 0x25c6: |
294 | 0 | byte_stream_value = 0x75; |
295 | 0 | break; |
296 | | |
297 | 0 | case 0x25cf: |
298 | 0 | byte_stream_value = 0x6c; |
299 | 0 | break; |
300 | | |
301 | 0 | case 0x25d7: |
302 | 0 | byte_stream_value = 0x77; |
303 | 0 | break; |
304 | | |
305 | 0 | case 0x2605: |
306 | 0 | byte_stream_value = 0x48; |
307 | 0 | break; |
308 | | |
309 | 0 | case 0x260e: |
310 | 0 | byte_stream_value = 0x25; |
311 | 0 | break; |
312 | | |
313 | 0 | case 0x261b: |
314 | 0 | byte_stream_value = 0x2a; |
315 | 0 | break; |
316 | | |
317 | 0 | case 0x261e: |
318 | 0 | byte_stream_value = 0x2b; |
319 | 0 | break; |
320 | | |
321 | 0 | case 0x2660: |
322 | 0 | byte_stream_value = 0xab; |
323 | 0 | break; |
324 | | |
325 | 0 | case 0x2663: |
326 | 0 | byte_stream_value = 0xa8; |
327 | 0 | break; |
328 | | |
329 | 0 | case 0x2665: |
330 | 0 | byte_stream_value = 0xaa; |
331 | 0 | break; |
332 | | |
333 | 0 | case 0x2666: |
334 | 0 | byte_stream_value = 0xa9; |
335 | 0 | break; |
336 | | |
337 | 0 | default: |
338 | 0 | byte_stream_value = 0x1a; |
339 | 0 | break; |
340 | 0 | } |
341 | 0 | byte_stream[ safe_byte_stream_index++ ] = (uint8_t) ( byte_stream_value & 0x00ff ); |
342 | |
|
343 | 0 | *byte_stream_index = safe_byte_stream_index; |
344 | |
|
345 | 0 | return( 1 ); |
346 | 0 | } |
347 | | |