ObjFW  Check-in [230644c87b]

Overview
Comment:More efficient Mac Roman -> UTF-8 conversion
Downloads: Tarball | ZIP archive | SQL archive
Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA3-256: 230644c87b137cbba58e3d640accec39c90fdaa49579c8bd61d9af235adf0473
User & Date: js on 2017-02-26 12:45:02
Other Links: manifest | tags
Context
2017-02-26
14:30
More efficient Windows-1251 -> UTF-8 conversion check-in: 928ee025eb user: js tags: trunk
12:45
More efficient Mac Roman -> UTF-8 conversion check-in: 230644c87b user: js tags: trunk
11:36
runtime/exception.m: Fix a typo check-in: 199985a18a user: js tags: trunk
Changes
Hide Diffs Unified Diffs Ignore Whitespace Patch

Modified src/encodings/mac_roman.m from [c59a713077] to [c75a1d773a].

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 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#include "config.h"

#import "OFString.h"



const of_char16_t of_mac_roman_table[] = {
	0x00C4, 0x00C5, 0x00C7, 0x00C9, 0x00D1, 0x00D6, 0x00DC, 0x00E1,
	0x00E0, 0x00E2, 0x00E4, 0x00E3, 0x00E5, 0x00E7, 0x00E9, 0x00E8,
	0x00EA, 0x00EB, 0x00ED, 0x00EC, 0x00EE, 0x00EF, 0x00F1, 0x00F3,
	0x00F2, 0x00F4, 0x00F6, 0x00F5, 0x00FA, 0x00F9, 0x00FB, 0x00FC,
	0x2020, 0x00B0, 0x00A2, 0x00A3, 0x00A7, 0x2022, 0x00B6, 0x00DF,
	0x00AE, 0x00A9, 0x2122, 0x00B4, 0x00A8, 0x2260, 0x00C6, 0x00D8,
	0x221E, 0x00B1, 0x2264, 0x2265, 0x00A5, 0x00B5, 0x2202, 0x2211,
	0x220F, 0x03c0, 0x222B, 0x00AA, 0x00BA, 0x03A9, 0x00E6, 0x00F8,
	0x00BF, 0x00A1, 0x00AC, 0x221A, 0x0192, 0x2248, 0x2206, 0x00AB,
	0x00BB, 0x2026, 0x00A0, 0x00C0, 0x00C3, 0x00D5, 0x0152, 0x0153,
	0x2013, 0x2014, 0x201C, 0x201D, 0x2018, 0x2019, 0x00F7, 0x25CA,
	0x00FF, 0x0178, 0x2044, 0x20AC, 0x2039, 0x203A, 0xFB01, 0xFB02,
	0x2021, 0x00B7, 0x201A, 0x201E, 0x2030, 0x00C2, 0x00CA, 0x00C1,
	0x00CB, 0x00C8, 0x00CD, 0x00CE, 0x00CF, 0x00CC, 0x00D3, 0x00D4,
	0xF8FF, 0x00D2, 0x00DA, 0x00DB, 0x00D9, 0x0131, 0x02C6, 0x02DC,
	0x00AF, 0x02D8, 0x02D9, 0x02DA, 0x00B8, 0x02DD, 0x02DB, 0x02C7
};
const size_t of_mac_roman_table_offset =
    256 - (sizeof(of_mac_roman_table) / sizeof(*of_mac_roman_table));













































































































bool
of_unicode_to_mac_roman(const of_unichar_t *input, unsigned char *output,
    size_t length, bool lossy)
{
	for (size_t i = 0; i < length; i++) {
		of_unichar_t c = input[i];

		if OF_UNLIKELY (c > 0x7F) {


			if OF_UNLIKELY (c > 0xFFFF) {
				if (lossy) {
					output[i] = '?';
					continue;
				} else
					return false;
			}

			switch ((of_char16_t)c) {
			case 0xC4:
				output[i] = 0x80;
				break;


			case 0xC5:
				output[i] = 0x81;
				break;
			case 0xC7:
				output[i] = 0x82;
				break;
			case 0xC9:
				output[i] = 0x83;
				break;
			case 0xD1:
				output[i] = 0x84;
				break;
			case 0xD6:
				output[i] = 0x85;
				break;
			case 0xDC:
				output[i] = 0x86;
				break;
			case 0xE1:
				output[i] = 0x87;
				break;
			case 0xE0:
				output[i] = 0x88;
				break;
			case 0xE2:
				output[i] = 0x89;
				break;
			case 0xE4:
				output[i] = 0x8A;
				break;
			case 0xE3:
				output[i] = 0x8B;
				break;
			case 0xE5:
				output[i] = 0x8C;
				break;
			case 0xE7:
				output[i] = 0x8D;
				break;
			case 0xE9:
				output[i] = 0x8E;
				break;
			case 0xE8:
				output[i] = 0x8F;
				break;
			case 0xEA:
				output[i] = 0x90;
				break;
			case 0xEB:
				output[i] = 0x91;
				break;
			case 0xED:
				output[i] = 0x92;
				break;
			case 0xEC:
				output[i] = 0x93;
				break;
			case 0xEE:
				output[i] = 0x94;
				break;
			case 0xEF:
				output[i] = 0x95;
				break;
			case 0xF1:
				output[i] = 0x96;
				break;
			case 0xF3:
				output[i] = 0x97;
				break;
			case 0xF2:
				output[i] = 0x98;
				break;
			case 0xF4:
				output[i] = 0x99;
				break;
			case 0xF6:
				output[i] = 0x9A;
				break;
			case 0xF5:
				output[i] = 0x9B;
				break;
			case 0xFA:
				output[i] = 0x9C;
				break;
			case 0xF9:
				output[i] = 0x9D;
				break;
			case 0xFB:
				output[i] = 0x9E;
				break;
			case 0xFC:
				output[i] = 0x9F;
				break;
			case 0x2020:
				output[i] = 0xA0;
				break;
			case 0xB0:
				output[i] = 0xA1;
				break;
			case 0xA2:
				output[i] = 0xA2;
				break;
			case 0xA3:
				output[i] = 0xA3;
				break;
			case 0xA7:
				output[i] = 0xA4;
				break;
			case 0x2022:
				output[i] = 0xA5;
				break;
			case 0xB6:
				output[i] = 0xA6;
				break;
			case 0xDF:
				output[i] = 0xA7;
				break;
			case 0xAE:
				output[i] = 0xA8;
				break;
			case 0xA9:
				output[i] = 0xA9;
				break;
			case 0x2122:
				output[i] = 0xAA;
				break;
			case 0xB4:
				output[i] = 0xAB;
				break;
			case 0xA8:
				output[i] = 0xAC;
				break;
			case 0x2260:
				output[i] = 0xAD;
				break;
			case 0xC6:
				output[i] = 0xAE;
				break;
			case 0xD8:
				output[i] = 0xAF;
				break;
			case 0x221E:
				output[i] = 0xB0;
				break;
			case 0xB1:
				output[i] = 0xB1;
				break;
			case 0x2264:
				output[i] = 0xB2;
				break;
			case 0x2265:
				output[i] = 0xB3;
				break;
			case 0xA5:
				output[i] = 0xB4;
				break;
			case 0xB5:
				output[i] = 0xB5;
				break;
			case 0x2202:
				output[i] = 0xB6;
				break;
			case 0x2211:
				output[i] = 0xB7;
				break;
			case 0x220F:
				output[i] = 0xB8;
				break;
			case 0x3C0:
				output[i] = 0xB9;
				break;
			case 0x222B:
				output[i] = 0xBA;
				break;
			case 0xAA:
				output[i] = 0xBB;
				break;
			case 0xBA:
				output[i] = 0xBC;
				break;
			case 0x3A9:
				output[i] = 0xBD;
				break;
			case 0xE6:
				output[i] = 0xBE;
				break;
			case 0xF8:
				output[i] = 0xBF;
				break;
			case 0xBF:
				output[i] = 0xC0;
				break;
			case 0xA1:
				output[i] = 0xC1;
				break;
			case 0xAC:
				output[i] = 0xC2;
				break;
			case 0x221A:
				output[i] = 0xC3;
				break;
			case 0x192:
				output[i] = 0xC4;
				break;
			case 0x2248:
				output[i] = 0xC5;
				break;
			case 0x2206:
				output[i] = 0xC6;
				break;
			case 0xAB:
				output[i] = 0xC7;
				break;
			case 0xBB:
				output[i] = 0xC8;
				break;
			case 0x2026:
				output[i] = 0xC9;
				break;
			case 0xA0:
				output[i] = 0xCA;
				break;
			case 0xC0:
				output[i] = 0xCB;
				break;
			case 0xC3:
				output[i] = 0xCC;
				break;
			case 0xD5:
				output[i] = 0xCD;
				break;
			case 0x152:
				output[i] = 0xCE;
				break;
			case 0x153:
				output[i] = 0xCF;
				break;
			case 0x2013:
				output[i] = 0xD0;
				break;
			case 0x2014:
				output[i] = 0xD1;
				break;
			case 0x201C:
				output[i] = 0xD2;
				break;
			case 0x201D:
				output[i] = 0xD3;
				break;
			case 0x2018:
				output[i] = 0xD4;
				break;
			case 0x2019:
				output[i] = 0xD5;
				break;
			case 0xF7:
				output[i] = 0xD6;
				break;
			case 0x25CA:
				output[i] = 0xD7;
				break;
			case 0xFF:
				output[i] = 0xD8;
				break;
			case 0x178:
				output[i] = 0xD9;
				break;
			case 0x2044:
				output[i] = 0xDA;
				break;
			case 0x20AC:
				output[i] = 0xDB;
				break;
			case 0x2039:
				output[i] = 0xDC;
				break;
			case 0x203A:
				output[i] = 0xDD;
				break;
			case 0xFB01:
				output[i] = 0xDE;
				break;
			case 0xFB02:
				output[i] = 0xDF;
				break;
			case 0x2021:
				output[i] = 0xE0;
				break;
			case 0xB7:
				output[i] = 0xE1;
				break;
			case 0x201A:
				output[i] = 0xE2;
				break;
			case 0x201E:
				output[i] = 0xE3;
				break;
			case 0x2030:
				output[i] = 0xE4;
				break;
			case 0xC2:
				output[i] = 0xE5;
				break;
			case 0xCA:
				output[i] = 0xE6;
				break;
			case 0xC1:
				output[i] = 0xE7;
				break;
			case 0xCB:
				output[i] = 0xE8;
				break;
			case 0xC8:
				output[i] = 0xE9;
				break;
			case 0xCD:
				output[i] = 0xEA;
				break;
			case 0xCE:
				output[i] = 0xEB;
				break;
			case 0xCF:
				output[i] = 0xEC;
				break;
			case 0xCC:
				output[i] = 0xED;
				break;
			case 0xD3:
				output[i] = 0xEE;
				break;
			case 0xD4:
				output[i] = 0xEF;
				break;
			case 0xF8FF:
				output[i] = 0xF0;
				break;
			case 0xD2:
				output[i] = 0xF1;
				break;
			case 0xDA:
				output[i] = 0xF2;
				break;
			case 0xDB:
				output[i] = 0xF3;
				break;
			case 0xD9:
				output[i] = 0xF4;
				break;
			case 0x131:
				output[i] = 0xF5;
				break;
			case 0x2C6:
				output[i] = 0xF6;
				break;
			case 0x2DC:
				output[i] = 0xF7;
				break;
			case 0xAF:
				output[i] = 0xF8;
				break;
			case 0x2D8:
				output[i] = 0xF9;
				break;
			case 0x2D9:
				output[i] = 0xFA;
				break;
			case 0x2DA:
				output[i] = 0xFB;
				break;
			case 0xB8:
				output[i] = 0xFC;
				break;
			case 0x2DD:
				output[i] = 0xFD;
				break;
			case 0x2DB:
				output[i] = 0xFE;
				break;
			case 0x2C7:
				output[i] = 0xFF;
				break;
			default:
				if (lossy)
					output[i] = '?';

				else
					return false;

				break;
			}
		} else
			output[i] = (unsigned char)c;
	}

	return true;
}








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 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#include "config.h"

#import "OFString.h"

#import "common.h"

const of_char16_t of_mac_roman_table[] = {
	0x00C4, 0x00C5, 0x00C7, 0x00C9, 0x00D1, 0x00D6, 0x00DC, 0x00E1,
	0x00E0, 0x00E2, 0x00E4, 0x00E3, 0x00E5, 0x00E7, 0x00E9, 0x00E8,
	0x00EA, 0x00EB, 0x00ED, 0x00EC, 0x00EE, 0x00EF, 0x00F1, 0x00F3,
	0x00F2, 0x00F4, 0x00F6, 0x00F5, 0x00FA, 0x00F9, 0x00FB, 0x00FC,
	0x2020, 0x00B0, 0x00A2, 0x00A3, 0x00A7, 0x2022, 0x00B6, 0x00DF,
	0x00AE, 0x00A9, 0x2122, 0x00B4, 0x00A8, 0x2260, 0x00C6, 0x00D8,
	0x221E, 0x00B1, 0x2264, 0x2265, 0x00A5, 0x00B5, 0x2202, 0x2211,
	0x220F, 0x03C0, 0x222B, 0x00AA, 0x00BA, 0x03A9, 0x00E6, 0x00F8,
	0x00BF, 0x00A1, 0x00AC, 0x221A, 0x0192, 0x2248, 0x2206, 0x00AB,
	0x00BB, 0x2026, 0x00A0, 0x00C0, 0x00C3, 0x00D5, 0x0152, 0x0153,
	0x2013, 0x2014, 0x201C, 0x201D, 0x2018, 0x2019, 0x00F7, 0x25CA,
	0x00FF, 0x0178, 0x2044, 0x20AC, 0x2039, 0x203A, 0xFB01, 0xFB02,
	0x2021, 0x00B7, 0x201A, 0x201E, 0x2030, 0x00C2, 0x00CA, 0x00C1,
	0x00CB, 0x00C8, 0x00CD, 0x00CE, 0x00CF, 0x00CC, 0x00D3, 0x00D4,
	0xF8FF, 0x00D2, 0x00DA, 0x00DB, 0x00D9, 0x0131, 0x02C6, 0x02DC,
	0x00AF, 0x02D8, 0x02D9, 0x02DA, 0x00B8, 0x02DD, 0x02DB, 0x02C7
};
const size_t of_mac_roman_table_offset =
    256 - (sizeof(of_mac_roman_table) / sizeof(*of_mac_roman_table));

static const unsigned char page0[] = {
	0xCA, 0xC1, 0xA2, 0xA3, 0x00, 0xB4, 0x00, 0xA4,
	0xAC, 0xA9, 0xBB, 0xC7, 0xC2, 0x00, 0xA8, 0xF8,
	0xA1, 0xB1, 0x00, 0x00, 0xAB, 0xB5, 0xA6, 0xE1,
	0xFC, 0x00, 0xBC, 0xC8, 0x00, 0x00, 0x00, 0xC0,
	0xCB, 0xE7, 0xE5, 0xCC, 0x80, 0x81, 0xAE, 0x82,
	0xE9, 0x83, 0xE6, 0xE8, 0xED, 0xEA, 0xEB, 0xEC,
	0x00, 0x84, 0xF1, 0xEE, 0xEF, 0xCD, 0x85, 0x00,
	0xAF, 0xF4, 0xF2, 0xF3, 0x86, 0x00, 0x00, 0xA7,
	0x88, 0x87, 0x89, 0x8B, 0x8A, 0x8C, 0xBE, 0x8D,
	0x8F, 0x8E, 0x90, 0x91, 0x93, 0x92, 0x94, 0x95,
	0x00, 0x96, 0x98, 0x97, 0x99, 0x9B, 0x9A, 0xD6,
	0xBF, 0x9D, 0x9C, 0x9E, 0x9F, 0x00, 0x00, 0xD8
};
static const uint8_t page0Start = 0xA0;

static const unsigned char page1[] = {
	0xF5, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x00, 0xCE, 0xCF, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xD9,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x00, 0xC4
};
static const uint8_t page1Start = 0x31;

static const unsigned char page2[] = {
	0xF6, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x00, 0x00, 0xF9, 0xFA, 0xFB, 0xFE, 0xF7, 0xFD
};
static const uint8_t page2Start = 0xC6;

static const unsigned char page3[] = {
	0xBD, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xB9
};
static const uint8_t page3Start = 0xA9;

static const unsigned char page20[] = {
	0xD0, 0xD1, 0x00, 0x00, 0x00, 0xD4, 0xD5, 0xE2,
	0x00, 0xD2, 0xD3, 0xE3, 0x00, 0xA0, 0xE0, 0xA5,
	0x00, 0x00, 0x00, 0xC9, 0x00, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0xE4, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xDC, 0xDD,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x00, 0xDA, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x00, 0xDB
};
static const uint8_t page20Start = 0x13;

static const unsigned char page21[] = {
	0xAA
};
static const uint8_t page21Start = 0x22;

static const unsigned char page22[] = {
	0xB6, 0x00, 0x00, 0x00, 0xC6, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0xB8, 0x00, 0xB7,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0xC3, 0x00, 0x00, 0x00, 0xB0, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x00, 0xBA, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xC5, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xAD, 0x00,
	0x00, 0x00, 0xB2, 0xB3
};
static const uint8_t page22Start = 0x02;

static const unsigned char page25[] = {
	0xD7
};
static const uint8_t page25Start = 0xCA;

static const unsigned char pageF8[] = {
	0xF0
};
static const uint8_t pageF8Start = 0xFF;

static const unsigned char pageFB[] = {
	0xDE, 0xDF
};
static const uint8_t pageFBStart = 0x01;

bool
of_unicode_to_mac_roman(const of_unichar_t *input, unsigned char *output,
    size_t length, bool lossy)
{
	for (size_t i = 0; i < length; i++) {
		of_unichar_t c = input[i];

		if OF_UNLIKELY (c > 0x7F) {
			uint8_t index;

			if OF_UNLIKELY (c > 0xFFFF) {
				if (lossy) {
					output[i] = '?';
					continue;
				} else
					return false;
			}

			switch (c >> 8) {
			CASE_MISSING_IS_ERROR(0)


			CASE_MISSING_IS_ERROR(1)
			CASE_MISSING_IS_ERROR(2)
			CASE_MISSING_IS_ERROR(3)














































































































































































































			CASE_MISSING_IS_ERROR(20)












			CASE_MISSING_IS_ERROR(21)





































			CASE_MISSING_IS_ERROR(22)












































			CASE_MISSING_IS_ERROR(25)





























			CASE_MISSING_IS_ERROR(F8)

































			CASE_MISSING_IS_ERROR(FB)













			default:
				if (lossy) {
					output[i] = '?';
					continue;
				} else
					return false;


			}
		} else
			output[i] = (unsigned char)c;
	}

	return true;
}

Fossil 2.23 [47362306a7] 2023-11-01 18:56:47
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