Coverage Report

Created: 2024-02-25 07:20

/src/libfsext/libuna/libuna_codepage_mac_croatian.c
Line
Count
Source (jump to first uncovered line)
1
/*
2
 * MacCroatian codepage functions
3
 *
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 * Copyright (C) 2008-2024, Joachim Metz <joachim.metz@gmail.com>
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 *
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 * Refer to AUTHORS for acknowledgements.
7
 *
8
 * This program is free software: you can redistribute it and/or modify
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 * 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
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 * (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful,
14
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU Lesser General Public License
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 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
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 */
21
22
#include <common.h>
23
#include <types.h>
24
25
#include "libuna_codepage_mac_croatian.h"
26
#include "libuna_libcerror.h"
27
#include "libuna_types.h"
28
29
/* Extended ASCII to Unicode character lookup table for the MacCroatian codepage
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 * Unknown are filled with the Unicode replacement character 0xfffd
31
 */
32
const uint16_t libuna_codepage_mac_croatian_byte_stream_to_unicode_base_0x80[ 128 ] = {
33
  0x00c4, 0x00c5, 0x00c7, 0x00c9, 0x00d1, 0x00d6, 0x00dc, 0x00e1,
34
  0x00e0, 0x00e2, 0x00e4, 0x00e3, 0x00e5, 0x00e7, 0x00e9, 0x00e8,
35
  0x00ea, 0x00eb, 0x00ed, 0x00ec, 0x00ee, 0x00ef, 0x00f1, 0x00f3,
36
  0x00f2, 0x00f4, 0x00f6, 0x00f5, 0x00fa, 0x00f9, 0x00fb, 0x00fc,
37
  0x2020, 0x00b0, 0x00a2, 0x00a3, 0x00a7, 0x2022, 0x00b6, 0x00df,
38
  0x00ae, 0x0160, 0x2122, 0x00b4, 0x00a8, 0x2260, 0x017d, 0x00d8,
39
  0x221e, 0x00b1, 0x2264, 0x2265, 0x2206, 0x00b5, 0x2202, 0x2211,
40
  0x220f, 0x0161, 0x222b, 0x00aa, 0x00ba, 0x03a9, 0x017e, 0x00f8,
41
  0x00bf, 0x00a1, 0x00ac, 0x221a, 0x0192, 0x2248, 0x0106, 0x00ab,
42
  0x010c, 0x2026, 0x00a0, 0x00c0, 0x00c3, 0x00d5, 0x0152, 0x0153,
43
  0x0110, 0x2014, 0x201c, 0x201d, 0x2018, 0x2019, 0x00f7, 0x25ca,
44
  0xf8ff, 0x00a9, 0x2044, 0x20ac, 0x2039, 0x203a, 0x00c6, 0x00bb,
45
  0x2013, 0x00b7, 0x201a, 0x201e, 0x2030, 0x00c2, 0x0107, 0x00c1,
46
  0x010d, 0x00c8, 0x00cd, 0x00ce, 0x00cf, 0x00cc, 0x00d3, 0x00d4,
47
  0x0111, 0x00d2, 0x00da, 0x00db, 0x00d9, 0x0131, 0x02c6, 0x02dc,
48
  0x00af, 0x03c0, 0x00cb, 0x02da, 0x00b8, 0x00ca, 0x00e6, 0x02c7
49
};
50
51
/* Unicode to ASCII character lookup tables for the MacCroatian codepage
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 * Unknown are filled with the ASCII replacement character 0x1a
53
 */
54
const uint8_t libuna_codepage_mac_croatian_unicode_to_byte_stream_base_0x00a0[ 120 ] = {
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  0xca, 0xc1, 0xa2, 0xa3, 0x1a, 0x1a, 0x1a, 0xa4,
56
  0xac, 0xd9, 0xbb, 0xc7, 0xc2, 0x1a, 0xa8, 0xf8,
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  0xa1, 0xb1, 0x1a, 0x1a, 0xab, 0xb5, 0xa6, 0xe1,
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  0xfc, 0x1a, 0xbc, 0xdf, 0x1a, 0x1a, 0x1a, 0xc0,
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  0xcb, 0xe7, 0xe5, 0xcc, 0x80, 0x81, 0xde, 0x82,
60
  0xe9, 0x83, 0xfd, 0xfa, 0xed, 0xea, 0xeb, 0xec,
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  0x1a, 0x84, 0xf1, 0xee, 0xef, 0xcd, 0x85, 0x1a,
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  0xaf, 0xf4, 0xf2, 0xf3, 0x86, 0x1a, 0x1a, 0xa7,
63
  0x88, 0x87, 0x89, 0x8b, 0x8a, 0x8c, 0xfe, 0x8d,
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  0x8f, 0x8e, 0x90, 0x91, 0x93, 0x92, 0x94, 0x95,
65
  0x1a, 0x96, 0x98, 0x97, 0x99, 0x9b, 0x9a, 0xd6,
66
  0xbf, 0x9d, 0x9c, 0x9e, 0x9f, 0x1a, 0x1a, 0x1a,
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  0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0xc6, 0xe6,
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  0x1a, 0x1a, 0x1a, 0x1a, 0xc8, 0xe8, 0x1a, 0x1a,
69
  0xd0, 0xf0, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a
70
};
71
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const uint8_t libuna_codepage_mac_croatian_unicode_to_byte_stream_base_0x2010[ 56 ] = {
73
  0x1a, 0x1a, 0x1a, 0xe0, 0xd1, 0x1a, 0x1a, 0x1a,
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  0xd4, 0xd5, 0xe2, 0x1a, 0xd2, 0xd3, 0xe3, 0x1a,
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  0xa0, 0x1a, 0xa5, 0x1a, 0x1a, 0x1a, 0xc9, 0x1a,
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  0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a,
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  0xe4, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a,
78
  0x1a, 0xdc, 0xdd, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a,
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  0x1a, 0x1a, 0x1a, 0x1a, 0xda, 0x1a, 0x1a, 0x1a
80
};
81
82
/* Copies an Unicode character from a MacCroatian encoded byte stream
83
 * Returns 1 if successful or -1 on error
84
 */
85
int libuna_codepage_mac_croatian_copy_from_byte_stream(
86
     libuna_unicode_character_t *unicode_character,
87
     const uint8_t *byte_stream,
88
     size_t byte_stream_size,
89
     size_t *byte_stream_index,
90
     libcerror_error_t **error )
91
0
{
92
0
  static char *function                             = "libuna_codepage_mac_croatian_copy_from_byte_stream";
93
0
  libuna_unicode_character_t safe_unicode_character = 0xfffd;
94
0
  size_t safe_byte_stream_index                     = 0;
95
0
  uint8_t byte_stream_character                     = 0;
96
97
0
  if( unicode_character == NULL )
98
0
  {
99
0
    libcerror_error_set(
100
0
     error,
101
0
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
102
0
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
103
0
     "%s: invalid Unicode character.",
104
0
     function );
105
106
0
    return( -1 );
107
0
  }
108
0
  if( byte_stream == NULL )
109
0
  {
110
0
    libcerror_error_set(
111
0
     error,
112
0
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
113
0
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
114
0
     "%s: invalid byte stream.",
115
0
     function );
116
117
0
    return( -1 );
118
0
  }
119
0
  if( byte_stream_size > (size_t) SSIZE_MAX )
120
0
  {
121
0
    libcerror_error_set(
122
0
     error,
123
0
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
124
0
     LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM,
125
0
     "%s: invalid byte stream size value exceeds maximum.",
126
0
     function );
127
128
0
    return( -1 );
129
0
  }
130
0
  if( byte_stream_index == NULL )
131
0
  {
132
0
    libcerror_error_set(
133
0
     error,
134
0
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
135
0
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
136
0
     "%s: invalid byte stream index.",
137
0
     function );
138
139
0
    return( -1 );
140
0
  }
141
0
  safe_byte_stream_index = *byte_stream_index;
142
143
0
  if( safe_byte_stream_index >= byte_stream_size )
144
0
  {
145
0
    libcerror_error_set(
146
0
     error,
147
0
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
148
0
     LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL,
149
0
     "%s: byte stream too small.",
150
0
     function );
151
152
0
    return( -1 );
153
0
  }
154
0
  byte_stream_character = byte_stream[ safe_byte_stream_index++ ];
155
156
0
  if( byte_stream_character < 0x80 )
157
0
  {
158
0
    safe_unicode_character = byte_stream_character;
159
0
  }
160
0
  else
161
0
  {
162
0
    byte_stream_character -= 0x80;
163
164
0
    safe_unicode_character = libuna_codepage_mac_croatian_byte_stream_to_unicode_base_0x80[ byte_stream_character ];
165
0
  }
166
0
  *unicode_character = safe_unicode_character;
167
0
  *byte_stream_index = safe_byte_stream_index;
168
169
0
  return( 1 );
170
0
}
171
172
/* Copies an Unicode character to a MacCroatian encoded byte stream
173
 * Returns 1 if successful or -1 on error
174
 */
175
int libuna_codepage_mac_croatian_copy_to_byte_stream(
176
     libuna_unicode_character_t unicode_character,
177
     uint8_t *byte_stream,
178
     size_t byte_stream_size,
179
     size_t *byte_stream_index,
180
     libcerror_error_t **error )
181
0
{
182
0
  static char *function         = "libuna_codepage_mac_croatian_copy_to_byte_stream";
183
0
  size_t safe_byte_stream_index = 0;
184
0
  uint16_t byte_stream_value    = 0x001a;
185
186
0
  if( byte_stream == NULL )
187
0
  {
188
0
    libcerror_error_set(
189
0
     error,
190
0
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
191
0
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
192
0
     "%s: invalid byte stream.",
193
0
     function );
194
195
0
    return( -1 );
196
0
  }
197
0
  if( byte_stream_size > (size_t) SSIZE_MAX )
198
0
  {
199
0
    libcerror_error_set(
200
0
     error,
201
0
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
202
0
     LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM,
203
0
     "%s: invalid byte stream size value exceeds maximum.",
204
0
     function );
205
206
0
    return( -1 );
207
0
  }
208
0
  if( byte_stream_index == NULL )
209
0
  {
210
0
    libcerror_error_set(
211
0
     error,
212
0
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
213
0
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
214
0
     "%s: invalid byte stream index.",
215
0
     function );
216
217
0
    return( -1 );
218
0
  }
219
0
  safe_byte_stream_index = *byte_stream_index;
220
221
0
  if( safe_byte_stream_index >= byte_stream_size )
222
0
  {
223
0
    libcerror_error_set(
224
0
     error,
225
0
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
226
0
     LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL,
227
0
     "%s: byte stream too small.",
228
0
     function );
229
230
0
    return( -1 );
231
0
  }
232
0
  if( unicode_character < 0x0080 )
233
0
  {
234
0
    byte_stream_value = (uint16_t) unicode_character;
235
0
  }
236
0
  else if( ( unicode_character >= 0x00a0 )
237
0
        && ( unicode_character < 0x0118 ) )
238
0
  {
239
0
    unicode_character -= 0x00a0;
240
241
0
    byte_stream_value = libuna_codepage_mac_croatian_unicode_to_byte_stream_base_0x00a0[ unicode_character ];
242
0
  }
243
0
  else if( ( unicode_character >= 0x2010 )
244
0
        && ( unicode_character < 0x2048 ) )
245
0
  {
246
0
    unicode_character -= 0x2010;
247
248
0
    byte_stream_value = libuna_codepage_mac_croatian_unicode_to_byte_stream_base_0x2010[ unicode_character ];
249
0
  }
250
0
  else switch( unicode_character )
251
0
  {
252
0
    case 0x0131:
253
0
      byte_stream_value = 0xf5;
254
0
      break;
255
256
0
    case 0x0152:
257
0
      byte_stream_value = 0xce;
258
0
      break;
259
260
0
    case 0x0153:
261
0
      byte_stream_value = 0xcf;
262
0
      break;
263
264
0
    case 0x0160:
265
0
      byte_stream_value = 0xa9;
266
0
      break;
267
268
0
    case 0x0161:
269
0
      byte_stream_value = 0xb9;
270
0
      break;
271
272
0
    case 0x017d:
273
0
      byte_stream_value = 0xae;
274
0
      break;
275
276
0
    case 0x017e:
277
0
      byte_stream_value = 0xbe;
278
0
      break;
279
280
0
    case 0x0192:
281
0
      byte_stream_value = 0xc4;
282
0
      break;
283
284
0
    case 0x02c6:
285
0
      byte_stream_value = 0xf6;
286
0
      break;
287
288
0
    case 0x02c7:
289
0
      byte_stream_value = 0xff;
290
0
      break;
291
292
0
    case 0x02da:
293
0
      byte_stream_value = 0xfb;
294
0
      break;
295
296
0
    case 0x02dc:
297
0
      byte_stream_value = 0xf7;
298
0
      break;
299
300
0
    case 0x03a9:
301
0
      byte_stream_value = 0xbd;
302
0
      break;
303
304
0
    case 0x03c0:
305
0
      byte_stream_value = 0xf9;
306
0
      break;
307
308
0
    case 0x20ac:
309
0
      byte_stream_value = 0xdb;
310
0
      break;
311
312
0
    case 0x2122:
313
0
      byte_stream_value = 0xaa;
314
0
      break;
315
316
0
    case 0x2202:
317
0
      byte_stream_value = 0xb6;
318
0
      break;
319
320
0
    case 0x2206:
321
0
      byte_stream_value = 0xb4;
322
0
      break;
323
324
0
    case 0x220f:
325
0
      byte_stream_value = 0xb8;
326
0
      break;
327
328
0
    case 0x2211:
329
0
      byte_stream_value = 0xb7;
330
0
      break;
331
332
0
    case 0x221a:
333
0
      byte_stream_value = 0xc3;
334
0
      break;
335
336
0
    case 0x221e:
337
0
      byte_stream_value = 0xb0;
338
0
      break;
339
340
0
    case 0x222b:
341
0
      byte_stream_value = 0xba;
342
0
      break;
343
344
0
    case 0x2248:
345
0
      byte_stream_value = 0xc5;
346
0
      break;
347
348
0
    case 0x2260:
349
0
      byte_stream_value = 0xad;
350
0
      break;
351
352
0
    case 0x2264:
353
0
      byte_stream_value = 0xb2;
354
0
      break;
355
356
0
    case 0x2265:
357
0
      byte_stream_value = 0xb3;
358
0
      break;
359
360
0
    case 0x25ca:
361
0
      byte_stream_value = 0xd7;
362
0
      break;
363
364
0
    case 0xf8ff:
365
0
      byte_stream_value = 0xd8;
366
0
      break;
367
368
0
    default:
369
0
      byte_stream_value = 0x1a;
370
0
      break;
371
0
  }
372
0
  byte_stream[ safe_byte_stream_index++ ] = (uint8_t) ( byte_stream_value & 0x00ff );
373
374
0
  *byte_stream_index = safe_byte_stream_index;
375
376
0
  return( 1 );
377
0
}
378