/* * MacInuit codepage functions * * Copyright (C) 2008-2023, Joachim Metz * * Refer to AUTHORS for acknowledgements. * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with this program. If not, see . */ #include #include #include "libuna_codepage_mac_inuit.h" #include "libuna_libcerror.h" #include "libuna_types.h" /* Extended ASCII to Unicode character lookup table for the MacInuit codepage * Unknown are filled with the Unicode replacement character 0xfffd */ const uint16_t libuna_codepage_mac_inuit_byte_stream_to_unicode_base_0x80[ 128 ] = { 0x1403, 0x1404, 0x1405, 0x1406, 0x140a, 0x140b, 0x1431, 0x1432, 0x1433, 0x1434, 0x1438, 0x1439, 0x1449, 0x144e, 0x144f, 0x1450, 0x1451, 0x1455, 0x1456, 0x1466, 0x146d, 0x146e, 0x146f, 0x1470, 0x1472, 0x1473, 0x1483, 0x148b, 0x148c, 0x148d, 0x148e, 0x1490, 0x1491, 0x00b0, 0x14a1, 0x14a5, 0x14a6, 0x2022, 0x00b6, 0x14a7, 0x00ae, 0x00a9, 0x2122, 0x14a8, 0x14aa, 0x14ab, 0x14bb, 0x14c2, 0x14c3, 0x14c4, 0x14c5, 0x14c7, 0x14c8, 0x14d0, 0x14ef, 0x14f0, 0x14f1, 0x14f2, 0x14f4, 0x14f5, 0x1505, 0x14d5, 0x14d6, 0x14d7, 0x14d8, 0x14da, 0x14db, 0x14ea, 0x1528, 0x1529, 0x152a, 0x152b, 0x152d, 0x2026, 0x00a0, 0x152e, 0x153e, 0x1555, 0x1556, 0x1557, 0x2013, 0x2014, 0x201c, 0x201d, 0x2018, 0x2019, 0x1558, 0x1559, 0x155a, 0x155d, 0x1546, 0x1547, 0x1548, 0x1549, 0x154b, 0x154c, 0x1550, 0x157f, 0x1580, 0x1581, 0x1582, 0x1583, 0x1584, 0x1585, 0x158f, 0x1590, 0x1591, 0x1592, 0x1593, 0x1594, 0x1595, 0x1671, 0x1672, 0x1673, 0x1674, 0x1675, 0x1676, 0x1596, 0x15a0, 0x15a1, 0x15a2, 0x15a3, 0x15a4, 0x15a5, 0x15a6, 0x157c, 0x0141, 0x0142 }; /* Unicode to ASCII character lookup tables for the MacInuit codepage * Unknown are filled with the ASCII replacement character 0x1a */ const uint8_t libuna_codepage_mac_inuit_unicode_to_byte_stream_base_0x1430[ 216 ] = { 0x1a, 0x86, 0x87, 0x88, 0x89, 0x1a, 0x1a, 0x1a, 0x8a, 0x8b, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x8c, 0x1a, 0x1a, 0x1a, 0x1a, 0x8d, 0x8e, 0x8f, 0x90, 0x1a, 0x1a, 0x1a, 0x91, 0x92, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x93, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x94, 0x95, 0x96, 0x97, 0x1a, 0x98, 0x99, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x9a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x9b, 0x9c, 0x9d, 0x9e, 0x1a, 0x9f, 0xa0, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0xa2, 0x1a, 0x1a, 0x1a, 0xa3, 0xa4, 0xa7, 0xab, 0x1a, 0xac, 0xad, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0xae, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0xaf, 0xb0, 0xb1, 0xb2, 0x1a, 0xb3, 0xb4, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0xb5, 0x1a, 0x1a, 0x1a, 0x1a, 0xbd, 0xbe, 0xbf, 0xc0, 0x1a, 0xc1, 0xc2, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0xc3, 0x1a, 0x1a, 0x1a, 0x1a, 0xb6, 0xb7, 0xb8, 0xb9, 0x1a, 0xba, 0xbb, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0xbc, 0x1a, 0x1a }; const uint8_t libuna_codepage_mac_inuit_unicode_to_byte_stream_base_0x1528[ 56 ] = { 0xc4, 0xc5, 0xc6, 0xc7, 0x1a, 0xc8, 0xcb, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0xcc, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0xda, 0xdb, 0xdc, 0xdd, 0x1a, 0xde, 0xdf, 0x1a, 0x1a, 0x1a, 0xe0, 0x1a, 0x1a, 0x1a, 0x1a, 0xcd, 0xce, 0xcf, 0xd6, 0xd7, 0xd8, 0x1a, 0x1a, 0xd9, 0x1a, 0x1a }; const uint8_t libuna_codepage_mac_inuit_unicode_to_byte_stream_base_0x1578[ 48 ] = { 0x1a, 0x1a, 0x1a, 0x1a, 0xfd, 0x1a, 0x1a, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xf5, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0xf6, 0xf7, 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0x1a }; const uint8_t libuna_codepage_mac_inuit_unicode_to_byte_stream_base_0x2010[ 24 ] = { 0x1a, 0x1a, 0x1a, 0xd0, 0xd1, 0x1a, 0x1a, 0x1a, 0xd4, 0xd5, 0x1a, 0x1a, 0xd2, 0xd3, 0x1a, 0x1a, 0x1a, 0x1a, 0xa5, 0x1a, 0x1a, 0x1a, 0xc9, 0x1a }; /* Copies an Unicode character from a MacInuit encoded byte stream * Returns 1 if successful or -1 on error */ int libuna_codepage_mac_inuit_copy_from_byte_stream( libuna_unicode_character_t *unicode_character, const uint8_t *byte_stream, size_t byte_stream_size, size_t *byte_stream_index, libcerror_error_t **error ) { static char *function = "libuna_codepage_mac_inuit_copy_from_byte_stream"; libuna_unicode_character_t safe_unicode_character = 0xfffd; size_t safe_byte_stream_index = 0; uint8_t byte_stream_character = 0; if( unicode_character == NULL ) { libcerror_error_set( error, LIBCERROR_ERROR_DOMAIN_ARGUMENTS, LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, "%s: invalid Unicode character.", function ); return( -1 ); } if( byte_stream == NULL ) { libcerror_error_set( error, LIBCERROR_ERROR_DOMAIN_ARGUMENTS, LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, "%s: invalid byte stream.", function ); return( -1 ); } if( byte_stream_size > (size_t) SSIZE_MAX ) { libcerror_error_set( error, LIBCERROR_ERROR_DOMAIN_ARGUMENTS, LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM, "%s: invalid byte stream size value exceeds maximum.", function ); return( -1 ); } if( byte_stream_index == NULL ) { libcerror_error_set( error, LIBCERROR_ERROR_DOMAIN_ARGUMENTS, LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, "%s: invalid byte stream index.", function ); return( -1 ); } safe_byte_stream_index = *byte_stream_index; if( safe_byte_stream_index >= byte_stream_size ) { libcerror_error_set( error, LIBCERROR_ERROR_DOMAIN_ARGUMENTS, LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL, "%s: byte stream too small.", function ); return( -1 ); } byte_stream_character = byte_stream[ safe_byte_stream_index++ ]; if( byte_stream_character < 0x80 ) { safe_unicode_character = byte_stream_character; } else { byte_stream_character -= 0x80; safe_unicode_character = libuna_codepage_mac_inuit_byte_stream_to_unicode_base_0x80[ byte_stream_character ]; } *unicode_character = safe_unicode_character; *byte_stream_index = safe_byte_stream_index; return( 1 ); } /* Copies an Unicode character to a MacInuit encoded byte stream * Returns 1 if successful or -1 on error */ int libuna_codepage_mac_inuit_copy_to_byte_stream( libuna_unicode_character_t unicode_character, uint8_t *byte_stream, size_t byte_stream_size, size_t *byte_stream_index, libcerror_error_t **error ) { static char *function = "libuna_codepage_mac_inuit_copy_to_byte_stream"; size_t safe_byte_stream_index = 0; uint16_t byte_stream_value = 0x001a; if( byte_stream == NULL ) { libcerror_error_set( error, LIBCERROR_ERROR_DOMAIN_ARGUMENTS, LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, "%s: invalid byte stream.", function ); return( -1 ); } if( byte_stream_size > (size_t) SSIZE_MAX ) { libcerror_error_set( error, LIBCERROR_ERROR_DOMAIN_ARGUMENTS, LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM, "%s: invalid byte stream size value exceeds maximum.", function ); return( -1 ); } if( byte_stream_index == NULL ) { libcerror_error_set( error, LIBCERROR_ERROR_DOMAIN_ARGUMENTS, LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, "%s: invalid byte stream index.", function ); return( -1 ); } safe_byte_stream_index = *byte_stream_index; if( safe_byte_stream_index >= byte_stream_size ) { libcerror_error_set( error, LIBCERROR_ERROR_DOMAIN_ARGUMENTS, LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL, "%s: byte stream too small.", function ); return( -1 ); } if( ( unicode_character < 0x0080 ) || ( unicode_character == 0x00a9 ) ) { byte_stream_value = (uint16_t) unicode_character; } else if( ( unicode_character >= 0x1430 ) && ( unicode_character < 0x1508 ) ) { unicode_character -= 0x1430; byte_stream_value = libuna_codepage_mac_inuit_unicode_to_byte_stream_base_0x1430[ unicode_character ]; } else if( ( unicode_character >= 0x1528 ) && ( unicode_character < 0x1560 ) ) { unicode_character -= 0x1528; byte_stream_value = libuna_codepage_mac_inuit_unicode_to_byte_stream_base_0x1528[ unicode_character ]; } else if( ( unicode_character >= 0x1578 ) && ( unicode_character < 0x15a8 ) ) { unicode_character -= 0x1578; byte_stream_value = libuna_codepage_mac_inuit_unicode_to_byte_stream_base_0x1578[ unicode_character ]; } else if( ( unicode_character >= 0x2010 ) && ( unicode_character < 0x2028 ) ) { unicode_character -= 0x2010; byte_stream_value = libuna_codepage_mac_inuit_unicode_to_byte_stream_base_0x2010[ unicode_character ]; } else switch( unicode_character ) { case 0x00a0: byte_stream_value = 0xca; break; case 0x00ae: byte_stream_value = 0xa8; break; case 0x00b0: byte_stream_value = 0xa1; break; case 0x00b6: byte_stream_value = 0xa6; break; case 0x0141: byte_stream_value = 0xfe; break; case 0x0142: byte_stream_value = 0xff; break; case 0x1403: byte_stream_value = 0x80; break; case 0x1404: byte_stream_value = 0x81; break; case 0x1405: byte_stream_value = 0x82; break; case 0x1406: byte_stream_value = 0x83; break; case 0x140a: byte_stream_value = 0x84; break; case 0x140b: byte_stream_value = 0x85; break; case 0x1671: byte_stream_value = 0xef; break; case 0x1672: byte_stream_value = 0xf0; break; case 0x1673: byte_stream_value = 0xf1; break; case 0x1674: byte_stream_value = 0xf2; break; case 0x1675: byte_stream_value = 0xf3; break; case 0x1676: byte_stream_value = 0xf4; break; case 0x2122: byte_stream_value = 0xaa; break; default: byte_stream_value = 0x1a; break; } byte_stream[ safe_byte_stream_index++ ] = (uint8_t) ( byte_stream_value & 0x00ff ); *byte_stream_index = safe_byte_stream_index; return( 1 ); }