+/*
+ * Copyright (c) 2008 Apple Inc. All rights reserved.
+ *
+ * @APPLE_LICENSE_HEADER_START@
+ *
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this
+ * file.
+ *
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ *
+ * @APPLE_LICENSE_HEADER_END@
+ */
+/* CFBuiltinConverters.c
+ Copyright 1999-2002, Apple, Inc. All rights reserved.
+ Responsibility: Aki Inoue
+*/
+
+#include "CFStringEncodingConverterExt.h"
+#include "CFUniChar.h"
+#include "CFUnicodeDecomposition.h"
+#include "CFUnicodePrecomposition.h"
+#include "CFStringEncodingConverterPriv.h"
+#include "CFInternal.h"
+
+#define ParagraphSeparator 0x2029
+#define ASCIINewLine 0x0a
+static int8_t __CFMapsParagraphSeparator = -1;
+
+CF_INLINE bool __CFIsParagraphSeparator(UTF16Char character) {
+ if (-1 == __CFMapsParagraphSeparator) __CFMapsParagraphSeparator = (_CFExecutableLinkedOnOrAfter(CFSystemVersionLeopard) ? false : true);
+
+ return ((__CFMapsParagraphSeparator && (ParagraphSeparator == character)) ? true : false);
+}
+
+/* Precomposition */
+static const uint32_t __CFLatin1CombiningCharBitmap[] = { // 0x300 ~ 0x35FF
+ 0xFBB94010, 0x01800000, 0x0000000,
+};
+
+bool CFStringEncodingIsValidCombiningCharacterForLatin1(UniChar character) {
+ return ((character >= 0x300) && (character < 0x360) && (__CFLatin1CombiningCharBitmap[(character - 0x300) / 32] & (1 << (31 - ((character - 0x300) % 32)))) ? true : false);
+}
+
+UniChar CFStringEncodingPrecomposeLatinCharacter(const UniChar *character, CFIndex numChars, CFIndex *usedChars) {
+ if (numChars > 0) {
+ UTF32Char ch = *(character++), nextCh, composedChar;
+ CFIndex usedCharLen = 1;
+
+ if (CFUniCharIsSurrogateHighCharacter(ch) || CFUniCharIsSurrogateLowCharacter(ch)) {
+ if (usedChars) (*usedChars) = usedCharLen;
+ return ch;
+ }
+
+ while (usedCharLen < numChars) {
+ nextCh = *(character++);
+
+ if (CFUniCharIsSurrogateHighCharacter(nextCh) || CFUniCharIsSurrogateLowCharacter(nextCh)) break;
+
+ if (CFUniCharIsMemberOf(nextCh, kCFUniCharNonBaseCharacterSet) && ((composedChar = CFUniCharPrecomposeCharacter(ch, nextCh)) != 0xFFFD)) {
+ if (composedChar > 0xFFFF) { // Non-base
+ break;
+ } else {
+ ch = composedChar;
+ }
+ } else {
+ break;
+ }
+ ++usedCharLen;
+ }
+ if (usedChars) (*usedChars) = usedCharLen;
+ return ch;
+ }
+ return 0xFFFD;
+}
+
+/* ASCII */
+static bool __CFToASCII(uint32_t flags, UniChar character, uint8_t *byte) {
+ if (character < 0x80) {
+ *byte = (uint8_t)character;
+ } else if (__CFIsParagraphSeparator(character)) {
+ *byte = ASCIINewLine;
+ } else {
+ return false;
+ }
+ return true;
+}
+
+static bool __CFFromASCII(uint32_t flags, uint8_t byte, UniChar *character) {
+ if (byte < 0x80) {
+ *character = (UniChar)byte;
+ return true;
+ } else {
+ return false;
+ }
+}
+
+
+__private_extern__ const CFStringEncodingConverter __CFConverterASCII = {
+ __CFToASCII, __CFFromASCII, 1, 1, kCFStringEncodingConverterCheapEightBit,
+ NULL, NULL, NULL, NULL, NULL, NULL,
+};
+
+/* ISO Latin 1 (8859-1) */
+static bool __CFToISOLatin1(uint32_t flags, UniChar character, uint8_t *byte) {
+ if (character <= 0xFF) {
+ *byte = (uint8_t)character;
+ } else if (__CFIsParagraphSeparator(character)) {
+ *byte = ASCIINewLine;
+ } else {
+ return false;
+ }
+
+ return true;
+}
+
+static bool __CFFromISOLatin1(uint32_t flags, uint8_t byte, UniChar *character) {
+ *character = (UniChar)byte;
+ return true;
+}
+
+static CFIndex __CFToISOLatin1Precompose(uint32_t flags, const UniChar *character, CFIndex numChars, uint8_t *bytes, CFIndex maxByteLen, CFIndex *usedByteLen) {
+ uint8_t byte;
+ CFIndex usedCharLen;
+
+ if (__CFToISOLatin1(flags, CFStringEncodingPrecomposeLatinCharacter(character, numChars, &usedCharLen), &byte) && byte && (usedCharLen > 1)) {
+ if (maxByteLen) *bytes = byte;
+ *usedByteLen = 1;
+ return usedCharLen;
+ } else {
+ return 0;
+ }
+}
+
+__private_extern__ const CFStringEncodingConverter __CFConverterISOLatin1 = {
+ __CFToISOLatin1, __CFFromISOLatin1, 1, 1, kCFStringEncodingConverterCheapEightBit,
+ NULL, NULL, NULL, NULL, __CFToISOLatin1Precompose, CFStringEncodingIsValidCombiningCharacterForLatin1,
+};
+
+/* Mac Roman */
+#define NUM_MACROMAN_FROM_UNI 129
+static const CFStringEncodingUnicodeTo8BitCharMap macRoman_from_uni[NUM_MACROMAN_FROM_UNI] = {
+ { 0x00A0, 0xCA }, /* NO-BREAK SPACE */
+ { 0x00A1, 0xC1 }, /* INVERTED EXCLAMATION MARK */
+ { 0x00A2, 0xA2 }, /* CENT SIGN */
+ { 0x00A3, 0xA3 }, /* POUND SIGN */
+ { 0x00A5, 0xB4 }, /* YEN SIGN */
+ { 0x00A7, 0xA4 }, /* SECTION SIGN */
+ { 0x00A8, 0xAC }, /* DIAERESIS */
+ { 0x00A9, 0xA9 }, /* COPYRIGHT SIGN */
+ { 0x00AA, 0xBB }, /* FEMININE ORDINAL INDICATOR */
+ { 0x00AB, 0xC7 }, /* LEFT-POINTING DOUBLE ANGLE QUOTATION MARK */
+ { 0x00AC, 0xC2 }, /* NOT SIGN */
+ { 0x00AE, 0xA8 }, /* REGISTERED SIGN */
+ { 0x00AF, 0xF8 }, /* MACRON */
+ { 0x00B0, 0xA1 }, /* DEGREE SIGN */
+ { 0x00B1, 0xB1 }, /* PLUS-MINUS SIGN */
+ { 0x00B4, 0xAB }, /* ACUTE ACCENT */
+ { 0x00B5, 0xB5 }, /* MICRO SIGN */
+ { 0x00B6, 0xA6 }, /* PILCROW SIGN */
+ { 0x00B7, 0xE1 }, /* MIDDLE DOT */
+ { 0x00B8, 0xFC }, /* CEDILLA */
+ { 0x00BA, 0xBC }, /* MASCULINE ORDINAL INDICATOR */
+ { 0x00BB, 0xC8 }, /* RIGHT-POINTING DOUBLE ANGLE QUOTATION MARK */
+ { 0x00BF, 0xC0 }, /* INVERTED QUESTION MARK */
+ { 0x00C0, 0xCB }, /* LATIN CAPITAL LETTER A WITH GRAVE */
+ { 0x00C1, 0xE7 }, /* LATIN CAPITAL LETTER A WITH ACUTE */
+ { 0x00C2, 0xE5 }, /* LATIN CAPITAL LETTER A WITH CIRCUMFLEX */
+ { 0x00C3, 0xCC }, /* LATIN CAPITAL LETTER A WITH TILDE */
+ { 0x00C4, 0x80 }, /* LATIN CAPITAL LETTER A WITH DIAERESIS */
+ { 0x00C5, 0x81 }, /* LATIN CAPITAL LETTER A WITH RING ABOVE */
+ { 0x00C6, 0xAE }, /* LATIN CAPITAL LIGATURE AE */
+ { 0x00C7, 0x82 }, /* LATIN CAPITAL LETTER C WITH CEDILLA */
+ { 0x00C8, 0xE9 }, /* LATIN CAPITAL LETTER E WITH GRAVE */
+ { 0x00C9, 0x83 }, /* LATIN CAPITAL LETTER E WITH ACUTE */
+ { 0x00CA, 0xE6 }, /* LATIN CAPITAL LETTER E WITH CIRCUMFLEX */
+ { 0x00CB, 0xE8 }, /* LATIN CAPITAL LETTER E WITH DIAERESIS */
+ { 0x00CC, 0xED }, /* LATIN CAPITAL LETTER I WITH GRAVE */
+ { 0x00CD, 0xEA }, /* LATIN CAPITAL LETTER I WITH ACUTE */
+ { 0x00CE, 0xEB }, /* LATIN CAPITAL LETTER I WITH CIRCUMFLEX */
+ { 0x00CF, 0xEC }, /* LATIN CAPITAL LETTER I WITH DIAERESIS */
+ { 0x00D1, 0x84 }, /* LATIN CAPITAL LETTER N WITH TILDE */
+ { 0x00D2, 0xF1 }, /* LATIN CAPITAL LETTER O WITH GRAVE */
+ { 0x00D3, 0xEE }, /* LATIN CAPITAL LETTER O WITH ACUTE */
+ { 0x00D4, 0xEF }, /* LATIN CAPITAL LETTER O WITH CIRCUMFLEX */
+ { 0x00D5, 0xCD }, /* LATIN CAPITAL LETTER O WITH TILDE */
+ { 0x00D6, 0x85 }, /* LATIN CAPITAL LETTER O WITH DIAERESIS */
+ { 0x00D8, 0xAF }, /* LATIN CAPITAL LETTER O WITH STROKE */
+ { 0x00D9, 0xF4 }, /* LATIN CAPITAL LETTER U WITH GRAVE */
+ { 0x00DA, 0xF2 }, /* LATIN CAPITAL LETTER U WITH ACUTE */
+ { 0x00DB, 0xF3 }, /* LATIN CAPITAL LETTER U WITH CIRCUMFLEX */
+ { 0x00DC, 0x86 }, /* LATIN CAPITAL LETTER U WITH DIAERESIS */
+ { 0x00DF, 0xA7 }, /* LATIN SMALL LETTER SHARP S */
+ { 0x00E0, 0x88 }, /* LATIN SMALL LETTER A WITH GRAVE */
+ { 0x00E1, 0x87 }, /* LATIN SMALL LETTER A WITH ACUTE */
+ { 0x00E2, 0x89 }, /* LATIN SMALL LETTER A WITH CIRCUMFLEX */
+ { 0x00E3, 0x8B }, /* LATIN SMALL LETTER A WITH TILDE */
+ { 0x00E4, 0x8A }, /* LATIN SMALL LETTER A WITH DIAERESIS */
+ { 0x00E5, 0x8C }, /* LATIN SMALL LETTER A WITH RING ABOVE */
+ { 0x00E6, 0xBE }, /* LATIN SMALL LIGATURE AE */
+ { 0x00E7, 0x8D }, /* LATIN SMALL LETTER C WITH CEDILLA */
+ { 0x00E8, 0x8F }, /* LATIN SMALL LETTER E WITH GRAVE */
+ { 0x00E9, 0x8E }, /* LATIN SMALL LETTER E WITH ACUTE */
+ { 0x00EA, 0x90 }, /* LATIN SMALL LETTER E WITH CIRCUMFLEX */
+ { 0x00EB, 0x91 }, /* LATIN SMALL LETTER E WITH DIAERESIS */
+ { 0x00EC, 0x93 }, /* LATIN SMALL LETTER I WITH GRAVE */
+ { 0x00ED, 0x92 }, /* LATIN SMALL LETTER I WITH ACUTE */
+ { 0x00EE, 0x94 }, /* LATIN SMALL LETTER I WITH CIRCUMFLEX */
+ { 0x00EF, 0x95 }, /* LATIN SMALL LETTER I WITH DIAERESIS */
+ { 0x00F1, 0x96 }, /* LATIN SMALL LETTER N WITH TILDE */
+ { 0x00F2, 0x98 }, /* LATIN SMALL LETTER O WITH GRAVE */
+ { 0x00F3, 0x97 }, /* LATIN SMALL LETTER O WITH ACUTE */
+ { 0x00F4, 0x99 }, /* LATIN SMALL LETTER O WITH CIRCUMFLEX */
+ { 0x00F5, 0x9B }, /* LATIN SMALL LETTER O WITH TILDE */
+ { 0x00F6, 0x9A }, /* LATIN SMALL LETTER O WITH DIAERESIS */
+ { 0x00F7, 0xD6 }, /* DIVISION SIGN */
+ { 0x00F8, 0xBF }, /* LATIN SMALL LETTER O WITH STROKE */
+ { 0x00F9, 0x9D }, /* LATIN SMALL LETTER U WITH GRAVE */
+ { 0x00FA, 0x9C }, /* LATIN SMALL LETTER U WITH ACUTE */
+ { 0x00FB, 0x9E }, /* LATIN SMALL LETTER U WITH CIRCUMFLEX */
+ { 0x00FC, 0x9F }, /* LATIN SMALL LETTER U WITH DIAERESIS */
+ { 0x00FF, 0xD8 }, /* LATIN SMALL LETTER Y WITH DIAERESIS */
+ { 0x0131, 0xF5 }, /* LATIN SMALL LETTER DOTLESS I */
+ { 0x0152, 0xCE }, /* LATIN CAPITAL LIGATURE OE */
+ { 0x0153, 0xCF }, /* LATIN SMALL LIGATURE OE */
+ { 0x0178, 0xD9 }, /* LATIN CAPITAL LETTER Y WITH DIAERESIS */
+ { 0x0192, 0xC4 }, /* LATIN SMALL LETTER F WITH HOOK */
+ { 0x02C6, 0xF6 }, /* MODIFIER LETTER CIRCUMFLEX ACCENT */
+ { 0x02C7, 0xFF }, /* CARON */
+ { 0x02D8, 0xF9 }, /* BREVE */
+ { 0x02D9, 0xFA }, /* DOT ABOVE */
+ { 0x02DA, 0xFB }, /* RING ABOVE */
+ { 0x02DB, 0xFE }, /* OGONEK */
+ { 0x02DC, 0xF7 }, /* SMALL TILDE */
+ { 0x02DD, 0xFD }, /* DOUBLE ACUTE ACCENT */
+ { 0x03A9, 0xBD }, /* OHM SIGN (Canonical ?) */
+ { 0x03C0, 0xB9 }, /* GREEK SMALL LETTER PI */
+ { 0x2013, 0xD0 }, /* EN DASH */
+ { 0x2014, 0xD1 }, /* EM DASH */
+ { 0x2018, 0xD4 }, /* LEFT SINGLE QUOTATION MARK */
+ { 0x2019, 0xD5 }, /* RIGHT SINGLE QUOTATION MARK */
+ { 0x201A, 0xE2 }, /* SINGLE LOW-9 QUOTATION MARK */
+ { 0x201C, 0xD2 }, /* LEFT DOUBLE QUOTATION MARK */
+ { 0x201D, 0xD3 }, /* RIGHT DOUBLE QUOTATION MARK */
+ { 0x201E, 0xE3 }, /* DOUBLE LOW-9 QUOTATION MARK */
+ { 0x2020, 0xA0 }, /* DAGGER */
+ { 0x2021, 0xE0 }, /* DOUBLE DAGGER */
+ { 0x2022, 0xA5 }, /* BULLET */
+ { 0x2026, 0xC9 }, /* HORIZONTAL ELLIPSIS */
+ { 0x2030, 0xE4 }, /* PER MILLE SIGN */
+ { 0x2039, 0xDC }, /* SINGLE LEFT-POINTING ANGLE QUOTATION MARK */
+ { 0x203A, 0xDD }, /* SINGLE RIGHT-POINTING ANGLE QUOTATION MARK */
+ { 0x2044, 0xDA }, /* FRACTION SLASH */
+ { 0x20AC, 0xDB }, /* EURO SIGN */
+ { 0x2122, 0xAA }, /* TRADE MARK SIGN */
+ { 0x2126, 0xBD }, /* OHM SIGN */
+ { 0x2202, 0xB6 }, /* PARTIAL DIFFERENTIAL */
+ { 0x2206, 0xC6 }, /* INCREMENT */
+ { 0x220F, 0xB8 }, /* N-ARY PRODUCT */
+ { 0x2211, 0xB7 }, /* N-ARY SUMMATION */
+ { 0x221A, 0xC3 }, /* SQUARE ROOT */
+ { 0x221E, 0xB0 }, /* INFINITY */
+ { 0x222B, 0xBA }, /* INTEGRAL */
+ { 0x2248, 0xC5 }, /* ALMOST EQUAL TO */
+ { 0x2260, 0xAD }, /* NOT EQUAL TO */
+ { 0x2264, 0xB2 }, /* LESS-THAN OR EQUAL TO */
+ { 0x2265, 0xB3 }, /* GREATER-THAN OR EQUAL TO */
+ { 0x25CA, 0xD7 }, /* LOZENGE */
+ { 0xF8FF, 0xF0 }, /* Apple logo */
+ { 0xFB01, 0xDE }, /* LATIN SMALL LIGATURE FI */
+ { 0xFB02, 0xDF }, /* LATIN SMALL LIGATURE FL */
+};
+
+static bool __CFToMacRoman(uint32_t flags, UniChar character, uint8_t *byte) {
+ if (character < 0x80) {
+ *byte = (uint8_t)character;
+ return true;
+ } else {
+ return CFStringEncodingUnicodeTo8BitEncoding(macRoman_from_uni, NUM_MACROMAN_FROM_UNI, character, byte);
+ }
+}
+
+static const UniChar macRoman_to_uni[128] = {
+ 0x00C4, /* LATIN CAPITAL LETTER A WITH DIAERESIS */
+ 0x00C5, /* LATIN CAPITAL LETTER A WITH RING ABOVE */
+ 0x00C7, /* LATIN CAPITAL LETTER C WITH CEDILLA */
+ 0x00C9, /* LATIN CAPITAL LETTER E WITH ACUTE */
+ 0x00D1, /* LATIN CAPITAL LETTER N WITH TILDE */
+ 0x00D6, /* LATIN CAPITAL LETTER O WITH DIAERESIS */
+ 0x00DC, /* LATIN CAPITAL LETTER U WITH DIAERESIS */
+ 0x00E1, /* LATIN SMALL LETTER A WITH ACUTE */
+ 0x00E0, /* LATIN SMALL LETTER A WITH GRAVE */
+ 0x00E2, /* LATIN SMALL LETTER A WITH CIRCUMFLEX */
+ 0x00E4, /* LATIN SMALL LETTER A WITH DIAERESIS */
+ 0x00E3, /* LATIN SMALL LETTER A WITH TILDE */
+ 0x00E5, /* LATIN SMALL LETTER A WITH RING ABOVE */
+ 0x00E7, /* LATIN SMALL LETTER C WITH CEDILLA */
+ 0x00E9, /* LATIN SMALL LETTER E WITH ACUTE */
+ 0x00E8, /* LATIN SMALL LETTER E WITH GRAVE */
+ 0x00EA, /* LATIN SMALL LETTER E WITH CIRCUMFLEX */
+ 0x00EB, /* LATIN SMALL LETTER E WITH DIAERESIS */
+ 0x00ED, /* LATIN SMALL LETTER I WITH ACUTE */
+ 0x00EC, /* LATIN SMALL LETTER I WITH GRAVE */
+ 0x00EE, /* LATIN SMALL LETTER I WITH CIRCUMFLEX */
+ 0x00EF, /* LATIN SMALL LETTER I WITH DIAERESIS */
+ 0x00F1, /* LATIN SMALL LETTER N WITH TILDE */
+ 0x00F3, /* LATIN SMALL LETTER O WITH ACUTE */
+ 0x00F2, /* LATIN SMALL LETTER O WITH GRAVE */
+ 0x00F4, /* LATIN SMALL LETTER O WITH CIRCUMFLEX */
+ 0x00F6, /* LATIN SMALL LETTER O WITH DIAERESIS */
+ 0x00F5, /* LATIN SMALL LETTER O WITH TILDE */
+ 0x00FA, /* LATIN SMALL LETTER U WITH ACUTE */
+ 0x00F9, /* LATIN SMALL LETTER U WITH GRAVE */
+ 0x00FB, /* LATIN SMALL LETTER U WITH CIRCUMFLEX */
+ 0x00FC, /* LATIN SMALL LETTER U WITH DIAERESIS */
+ 0x2020, /* DAGGER */
+ 0x00B0, /* DEGREE SIGN */
+ 0x00A2, /* CENT SIGN */
+ 0x00A3, /* POUND SIGN */
+ 0x00A7, /* SECTION SIGN */
+ 0x2022, /* BULLET */
+ 0x00B6, /* PILCROW SIGN */
+ 0x00DF, /* LATIN SMALL LETTER SHARP S */
+ 0x00AE, /* REGISTERED SIGN */
+ 0x00A9, /* COPYRIGHT SIGN */
+ 0x2122, /* TRADE MARK SIGN */
+ 0x00B4, /* ACUTE ACCENT */
+ 0x00A8, /* DIAERESIS */
+ 0x2260, /* NOT EQUAL TO */
+ 0x00C6, /* LATIN CAPITAL LIGATURE AE */
+ 0x00D8, /* LATIN CAPITAL LETTER O WITH STROKE */
+ 0x221E, /* INFINITY */
+ 0x00B1, /* PLUS-MINUS SIGN */
+ 0x2264, /* LESS-THAN OR EQUAL TO */
+ 0x2265, /* GREATER-THAN OR EQUAL TO */
+ 0x00A5, /* YEN SIGN */
+ 0x00B5, /* MICRO SIGN */
+ 0x2202, /* PARTIAL DIFFERENTIAL */
+ 0x2211, /* N-ARY SUMMATION */
+ 0x220F, /* N-ARY PRODUCT */
+ 0x03C0, /* GREEK SMALL LETTER PI */
+ 0x222B, /* INTEGRAL */
+ 0x00AA, /* FEMININE ORDINAL INDICATOR */
+ 0x00BA, /* MASCULINE ORDINAL INDICATOR */
+ 0x03A9, /* OHM SIGN (Canonical mapping) */
+ 0x00E6, /* LATIN SMALL LIGATURE AE */
+ 0x00F8, /* LATIN SMALL LETTER O WITH STROKE */
+ 0x00BF, /* INVERTED QUESTION MARK */
+ 0x00A1, /* INVERTED EXCLAMATION MARK */
+ 0x00AC, /* NOT SIGN */
+ 0x221A, /* SQUARE ROOT */
+ 0x0192, /* LATIN SMALL LETTER F WITH HOOK */
+ 0x2248, /* ALMOST EQUAL TO */
+ 0x2206, /* INCREMENT */
+ 0x00AB, /* LEFT-POINTING DOUBLE ANGLE QUOTATION MARK */
+ 0x00BB, /* RIGHT-POINTING DOUBLE ANGLE QUOTATION MARK */
+ 0x2026, /* HORIZONTAL ELLIPSIS */
+ 0x00A0, /* NO-BREAK SPACE */
+ 0x00C0, /* LATIN CAPITAL LETTER A WITH GRAVE */
+ 0x00C3, /* LATIN CAPITAL LETTER A WITH TILDE */
+ 0x00D5, /* LATIN CAPITAL LETTER O WITH TILDE */
+ 0x0152, /* LATIN CAPITAL LIGATURE OE */
+ 0x0153, /* LATIN SMALL LIGATURE OE */
+ 0x2013, /* EN DASH */
+ 0x2014, /* EM DASH */
+ 0x201C, /* LEFT DOUBLE QUOTATION MARK */
+ 0x201D, /* RIGHT DOUBLE QUOTATION MARK */
+ 0x2018, /* LEFT SINGLE QUOTATION MARK */
+ 0x2019, /* RIGHT SINGLE QUOTATION MARK */
+ 0x00F7, /* DIVISION SIGN */
+ 0x25CA, /* LOZENGE */
+ 0x00FF, /* LATIN SMALL LETTER Y WITH DIAERESIS */
+ 0x0178, /* LATIN CAPITAL LETTER Y WITH DIAERESIS */
+ 0x2044, /* FRACTION SLASH */
+ 0x20AC, /* EURO SIGN */
+ 0x2039, /* SINGLE LEFT-POINTING ANGLE QUOTATION MARK */
+ 0x203A, /* SINGLE RIGHT-POINTING ANGLE QUOTATION MARK */
+ 0xFB01, /* LATIN SMALL LIGATURE FI */
+ 0xFB02, /* LATIN SMALL LIGATURE FL */
+ 0x2021, /* DOUBLE DAGGER */
+ 0x00B7, /* MIDDLE DOT */
+ 0x201A, /* SINGLE LOW-9 QUOTATION MARK */
+ 0x201E, /* DOUBLE LOW-9 QUOTATION MARK */
+ 0x2030, /* PER MILLE SIGN */
+ 0x00C2, /* LATIN CAPITAL LETTER A WITH CIRCUMFLEX */
+ 0x00CA, /* LATIN CAPITAL LETTER E WITH CIRCUMFLEX */
+ 0x00C1, /* LATIN CAPITAL LETTER A WITH ACUTE */
+ 0x00CB, /* LATIN CAPITAL LETTER E WITH DIAERESIS */
+ 0x00C8, /* LATIN CAPITAL LETTER E WITH GRAVE */
+ 0x00CD, /* LATIN CAPITAL LETTER I WITH ACUTE */
+ 0x00CE, /* LATIN CAPITAL LETTER I WITH CIRCUMFLEX */
+ 0x00CF, /* LATIN CAPITAL LETTER I WITH DIAERESIS */
+ 0x00CC, /* LATIN CAPITAL LETTER I WITH GRAVE */
+ 0x00D3, /* LATIN CAPITAL LETTER O WITH ACUTE */
+ 0x00D4, /* LATIN CAPITAL LETTER O WITH CIRCUMFLEX */
+ 0xF8FF, /* Apple logo */
+ 0x00D2, /* LATIN CAPITAL LETTER O WITH GRAVE */
+ 0x00DA, /* LATIN CAPITAL LETTER U WITH ACUTE */
+ 0x00DB, /* LATIN CAPITAL LETTER U WITH CIRCUMFLEX */
+ 0x00D9, /* LATIN CAPITAL LETTER U WITH GRAVE */
+ 0x0131, /* LATIN SMALL LETTER DOTLESS I */
+ 0x02C6, /* MODIFIER LETTER CIRCUMFLEX ACCENT */
+ 0x02DC, /* SMALL TILDE */
+ 0x00AF, /* MACRON */
+ 0x02D8, /* BREVE */
+ 0x02D9, /* DOT ABOVE */
+ 0x02DA, /* RING ABOVE */
+ 0x00B8, /* CEDILLA */
+ 0x02DD, /* DOUBLE ACUTE ACCENT */
+ 0x02DB, /* OGONEK */
+ 0x02C7, /* CARON */
+};
+
+static bool __CFFromMacRoman(uint32_t flags, uint8_t byte, UniChar *character) {
+ *character = (byte < 0x80 ? (UniChar)byte : macRoman_to_uni[byte - 0x80]);
+ return true;
+}
+
+static CFIndex __CFToMacRomanPrecompose(uint32_t flags, const UniChar *character, CFIndex numChars, uint8_t *bytes, CFIndex maxByteLen, CFIndex *usedByteLen) {
+ uint8_t byte;
+ CFIndex usedCharLen;
+
+ if (__CFToMacRoman(flags, CFStringEncodingPrecomposeLatinCharacter(character, numChars, &usedCharLen), &byte) && byte && (usedCharLen > 1)) {
+ if (maxByteLen) *bytes = byte;
+ *usedByteLen = 1;
+ return usedCharLen;
+ } else {
+ return 0;
+ }
+}
+
+__private_extern__ const CFStringEncodingConverter __CFConverterMacRoman = {
+ __CFToMacRoman, __CFFromMacRoman, 1, 1, kCFStringEncodingConverterCheapEightBit,
+ NULL, NULL, NULL, NULL, __CFToMacRomanPrecompose, CFStringEncodingIsValidCombiningCharacterForLatin1,
+};
+
+/* Win Latin1 (ANSI CodePage 1252) */
+#define NUM_1252_FROM_UNI 27
+static const CFStringEncodingUnicodeTo8BitCharMap cp1252_from_uni[NUM_1252_FROM_UNI] = {
+ {0x0152, 0x8C}, // LATIN CAPITAL LIGATURE OE
+ {0x0153, 0x9C}, // LATIN SMALL LIGATURE OE
+ {0x0160, 0x8A}, // LATIN CAPITAL LETTER S WITH CARON
+ {0x0161, 0x9A}, // LATIN SMALL LETTER S WITH CARON
+ {0x0178, 0x9F}, // LATIN CAPITAL LETTER Y WITH DIAERESIS
+ {0x017D, 0x8E}, // LATIN CAPITAL LETTER Z WITH CARON
+ {0x017E, 0x9E}, // LATIN SMALL LETTER Z WITH CARON
+ {0x0192, 0x83}, // LATIN SMALL LETTER F WITH HOOK
+ {0x02C6, 0x88}, // MODIFIER LETTER CIRCUMFLEX ACCENT
+ {0x02DC, 0x98}, // SMALL TILDE
+ {0x2013, 0x96}, // EN DASH
+ {0x2014, 0x97}, // EM DASH
+ {0x2018, 0x91}, // LEFT SINGLE QUOTATION MARK
+ {0x2019, 0x92}, // RIGHT SINGLE QUOTATION MARK
+ {0x201A, 0x82}, // SINGLE LOW-9 QUOTATION MARK
+ {0x201C, 0x93}, // LEFT DOUBLE QUOTATION MARK
+ {0x201D, 0x94}, // RIGHT DOUBLE QUOTATION MARK
+ {0x201E, 0x84}, // DOUBLE LOW-9 QUOTATION MARK
+ {0x2020, 0x86}, // DAGGER
+ {0x2021, 0x87}, // DOUBLE DAGGER
+ {0x2022, 0x95}, // BULLET
+ {0x2026, 0x85}, // HORIZONTAL ELLIPSIS
+ {0x2030, 0x89}, // PER MILLE SIGN
+ {0x2039, 0x8B}, // SINGLE LEFT-POINTING ANGLE QUOTATION MARK
+ {0x203A, 0x9B}, // SINGLE RIGHT-POINTING ANGLE QUOTATION MARK
+ {0x20AC, 0x80}, // EURO SIGN
+ {0x2122, 0x99}, // TRADE MARK SIGN
+};
+
+static bool __CFToWinLatin1(uint32_t flags, UniChar character, uint8_t *byte) {
+ if ((character < 0x80) || ((character > 0x9F) && (character <= 0x00FF))) {
+ *byte = (uint8_t)character;
+ return true;
+ }
+ return CFStringEncodingUnicodeTo8BitEncoding(cp1252_from_uni, NUM_1252_FROM_UNI, character, byte);
+}
+
+static const uint16_t cp1252_to_uni[32] = {
+ 0x20AC, // EURO SIGN
+ 0xFFFD, // NOT USED
+ 0x201A, // SINGLE LOW-9 QUOTATION MARK
+ 0x0192, // LATIN SMALL LETTER F WITH HOOK
+ 0x201E, // DOUBLE LOW-9 QUOTATION MARK
+ 0x2026, // HORIZONTAL ELLIPSIS
+ 0x2020, // DAGGER
+ 0x2021, // DOUBLE DAGGER
+ 0x02C6, // MODIFIER LETTER CIRCUMFLEX ACCENT
+ 0x2030, // PER MILLE SIGN
+ 0x0160, // LATIN CAPITAL LETTER S WITH CARON
+ 0x2039, // SINGLE LEFT-POINTING ANGLE QUOTATION MARK
+ 0x0152, // LATIN CAPITAL LIGATURE OE
+ 0xFFFD, // NOT USED
+ 0x017D, // LATIN CAPITAL LETTER Z WITH CARON
+ 0xFFFD, // NOT USED
+ 0xFFFD, // NOT USED
+ 0x2018, // LEFT SINGLE QUOTATION MARK
+ 0x2019, // RIGHT SINGLE QUOTATION MARK
+ 0x201C, // LEFT DOUBLE QUOTATION MARK
+ 0x201D, // RIGHT DOUBLE QUOTATION MARK
+ 0x2022, // BULLET
+ 0x2013, // EN DASH
+ 0x2014, // EM DASH
+ 0x02DC, // SMALL TILDE
+ 0x2122, // TRADE MARK SIGN
+ 0x0161, // LATIN SMALL LETTER S WITH CARON
+ 0x203A, // SINGLE RIGHT-POINTING ANGLE QUOTATION MARK
+ 0x0153, // LATIN SMALL LIGATURE OE
+ 0xFFFD, // NOT USED
+ 0x017E, // LATIN SMALL LETTER Z WITH CARON
+ 0x0178, // LATIN CAPITAL LETTER Y WITH DIAERESIS
+};
+
+static bool __CFFromWinLatin1(uint32_t flags, uint8_t byte, UniChar *character) {
+ *character = (byte < 0x80 || byte > 0x9F ? (UniChar)byte : cp1252_to_uni[byte - 0x80]);
+ return (*character != 0xFFFD);
+}
+
+static CFIndex __CFToWinLatin1Precompose(uint32_t flags, const UniChar *character, CFIndex numChars, uint8_t *bytes, CFIndex maxByteLen, CFIndex *usedByteLen) {
+ uint8_t byte;
+ CFIndex usedCharLen;
+
+ if (__CFToWinLatin1(flags, CFStringEncodingPrecomposeLatinCharacter(character, numChars, &usedCharLen), &byte) && byte && (usedCharLen > 1)) {
+ if (maxByteLen) *bytes = byte;
+ *usedByteLen = 1;
+ return usedCharLen;
+ } else {
+ return 0;
+ }
+}
+
+__private_extern__ const CFStringEncodingConverter __CFConverterWinLatin1 = {
+ __CFToWinLatin1, __CFFromWinLatin1, 1, 1, kCFStringEncodingConverterCheapEightBit,
+ NULL, NULL, NULL, NULL, __CFToWinLatin1Precompose, CFStringEncodingIsValidCombiningCharacterForLatin1,
+};
+
+/* NEXTSTEP Encoding */
+#define NUM_NEXTSTEP_FROM_UNI 127
+
+static const CFStringEncodingUnicodeTo8BitCharMap nextstep_from_tab[NUM_NEXTSTEP_FROM_UNI] = {
+ { 0x00a0, 0x80 },
+ { 0x00a1, 0xa1 },
+ { 0x00a2, 0xa2 },
+ { 0x00a3, 0xa3 },
+ { 0x00a4, 0xa8 },
+ { 0x00a5, 0xa5 },
+ { 0x00a6, 0xb5 },
+ { 0x00a7, 0xa7 },
+ { 0x00a8, 0xc8 },
+ { 0x00a9, 0xa0 },
+ { 0x00aa, 0xe3 },
+ { 0x00ab, 0xab },
+ { 0x00ac, 0xbe },
+/* { 0x00ad, 0x2d }, <= 96/10/25 rick removed; converts soft-hyphen to hyphen! */
+ { 0x00ae, 0xb0 },
+ { 0x00af, 0xc5 },
+ { 0x00b1, 0xd1 },
+ { 0x00b2, 0xc9 },
+ { 0x00b3, 0xcc },
+ { 0x00b4, 0xc2 },
+ { 0x00b5, 0x9d },
+ { 0x00b6, 0xb6 },
+ { 0x00b7, 0xb4 },
+ { 0x00b8, 0xcb },
+ { 0x00b9, 0xc0 },
+ { 0x00ba, 0xeb },
+ { 0x00bb, 0xbb },
+ { 0x00bc, 0xd2 },
+ { 0x00bd, 0xd3 },
+ { 0x00be, 0xd4 },
+ { 0x00bf, 0xbf },
+ { 0x00c0, 0x81 },
+ { 0x00c1, 0x82 },
+ { 0x00c2, 0x83 },
+ { 0x00c3, 0x84 },
+ { 0x00c4, 0x85 },
+ { 0x00c5, 0x86 },
+ { 0x00c6, 0xe1 },
+ { 0x00c7, 0x87 },
+ { 0x00c8, 0x88 },
+ { 0x00c9, 0x89 },
+ { 0x00ca, 0x8a },
+ { 0x00cb, 0x8b },
+ { 0x00cc, 0x8c },
+ { 0x00cd, 0x8d },
+ { 0x00ce, 0x8e },
+ { 0x00cf, 0x8f },
+ { 0x00d0, 0x90 },
+ { 0x00d1, 0x91 },
+ { 0x00d2, 0x92 },
+ { 0x00d3, 0x93 },
+ { 0x00d4, 0x94 },
+ { 0x00d5, 0x95 },
+ { 0x00d6, 0x96 },
+ { 0x00d7, 0x9e },
+ { 0x00d8, 0xe9 },
+ { 0x00d9, 0x97 },
+ { 0x00da, 0x98 },
+ { 0x00db, 0x99 },
+ { 0x00dc, 0x9a },
+ { 0x00dd, 0x9b },
+ { 0x00de, 0x9c },
+ { 0x00df, 0xfb },
+ { 0x00e0, 0xd5 },
+ { 0x00e1, 0xd6 },
+ { 0x00e2, 0xd7 },
+ { 0x00e3, 0xd8 },
+ { 0x00e4, 0xd9 },
+ { 0x00e5, 0xda },
+ { 0x00e6, 0xf1 },
+ { 0x00e7, 0xdb },
+ { 0x00e8, 0xdc },
+ { 0x00e9, 0xdd },
+ { 0x00ea, 0xde },
+ { 0x00eb, 0xdf },
+ { 0x00ec, 0xe0 },
+ { 0x00ed, 0xe2 },
+ { 0x00ee, 0xe4 },
+ { 0x00ef, 0xe5 },
+ { 0x00f0, 0xe6 },
+ { 0x00f1, 0xe7 },
+ { 0x00f2, 0xec },
+ { 0x00f3, 0xed },
+ { 0x00f4, 0xee },
+ { 0x00f5, 0xef },
+ { 0x00f6, 0xf0 },
+ { 0x00f7, 0x9f },
+ { 0x00f8, 0xf9 },
+ { 0x00f9, 0xf2 },
+ { 0x00fa, 0xf3 },
+ { 0x00fb, 0xf4 },
+ { 0x00fc, 0xf6 },
+ { 0x00fd, 0xf7 },
+ { 0x00fe, 0xfc },
+ { 0x00ff, 0xfd },
+ { 0x0131, 0xf5 },
+ { 0x0141, 0xe8 },
+ { 0x0142, 0xf8 },
+ { 0x0152, 0xea },
+ { 0x0153, 0xfa },
+ { 0x0192, 0xa6 },
+ { 0x02c6, 0xc3 },
+ { 0x02c7, 0xcf },
+ { 0x02cb, 0xc1 },
+ { 0x02d8, 0xc6 },
+ { 0x02d9, 0xc7 },
+ { 0x02da, 0xca },
+ { 0x02db, 0xce },
+ { 0x02dc, 0xc4 },
+ { 0x02dd, 0xcd },
+ { 0x2013, 0xb1 },
+ { 0x2014, 0xd0 },
+ { 0x2019, 0xa9 },
+ { 0x201a, 0xb8 },
+ { 0x201c, 0xaa },
+ { 0x201d, 0xba },
+ { 0x201e, 0xb9 },
+ { 0x2020, 0xb2 },
+ { 0x2021, 0xb3 },
+ { 0x2022, 0xb7 },
+ { 0x2026, 0xbc },
+ { 0x2030, 0xbd },
+ { 0x2039, 0xac },
+ { 0x203a, 0xad },
+ { 0x2044, 0xa4 },
+ { 0xfb01, 0xae },
+ { 0xfb02, 0xaf },
+ { 0xfffd, 0xff },
+};
+
+static bool __CFToNextStepLatin(uint32_t flags, UniChar character, uint8_t *byte) {
+ if (character < 0x80) {
+ *byte = (uint8_t)character;
+ return true;
+ } else if (__CFIsParagraphSeparator(character)) {
+ *byte = ASCIINewLine;
+ return true;
+ } else {
+ return CFStringEncodingUnicodeTo8BitEncoding(nextstep_from_tab, NUM_NEXTSTEP_FROM_UNI, character, byte);
+ }
+};
+
+static const UniChar NSToPrecompUnicodeTable[128] = {
+ /* NextStep Encoding Unicode */
+ /* 128 figspace */ 0x00a0, /* 0x2007 is fig space */
+ /* 129 Agrave */ 0x00c0,
+ /* 130 Aacute */ 0x00c1,
+ /* 131 Acircumflex */ 0x00c2,
+ /* 132 Atilde */ 0x00c3,
+ /* 133 Adieresis */ 0x00c4,
+ /* 134 Aring */ 0x00c5,
+ /* 135 Ccedilla */ 0x00c7,
+ /* 136 Egrave */ 0x00c8,
+ /* 137 Eacute */ 0x00c9,
+ /* 138 Ecircumflex */ 0x00ca,
+ /* 139 Edieresis */ 0x00cb,
+ /* 140 Igrave */ 0x00cc,
+ /* 141 Iacute */ 0x00cd,
+ /* 142 Icircumflex */ 0x00ce,
+ /* 143 Idieresis */ 0x00cf,
+ /* 144 Eth */ 0x00d0,
+ /* 145 Ntilde */ 0x00d1,
+ /* 146 Ograve */ 0x00d2,
+ /* 147 Oacute */ 0x00d3,
+ /* 148 Ocircumflex */ 0x00d4,
+ /* 149 Otilde */ 0x00d5,
+ /* 150 Odieresis */ 0x00d6,
+ /* 151 Ugrave */ 0x00d9,
+ /* 152 Uacute */ 0x00da,
+ /* 153 Ucircumflex */ 0x00db,
+ /* 154 Udieresis */ 0x00dc,
+ /* 155 Yacute */ 0x00dd,
+ /* 156 Thorn */ 0x00de,
+ /* 157 mu */ 0x00b5,
+ /* 158 multiply */ 0x00d7,
+ /* 159 divide */ 0x00f7,
+ /* 160 copyright */ 0x00a9,
+ /* 161 exclamdown */ 0x00a1,
+ /* 162 cent */ 0x00a2,
+ /* 163 sterling */ 0x00a3,
+ /* 164 fraction */ 0x2044,
+ /* 165 yen */ 0x00a5,
+ /* 166 florin */ 0x0192,
+ /* 167 section */ 0x00a7,
+ /* 168 currency */ 0x00a4,
+ /* 169 quotesingle */ 0x2019,
+ /* 170 quotedblleft */ 0x201c,
+ /* 171 guillemotleft */ 0x00ab,
+ /* 172 guilsinglleft */ 0x2039,
+ /* 173 guilsinglright */ 0x203a,
+ /* 174 fi */ 0xFB01,
+ /* 175 fl */ 0xFB02,
+ /* 176 registered */ 0x00ae,
+ /* 177 endash */ 0x2013,
+ /* 178 dagger */ 0x2020,
+ /* 179 daggerdbl */ 0x2021,
+ /* 180 periodcentered */ 0x00b7,
+ /* 181 brokenbar */ 0x00a6,
+ /* 182 paragraph */ 0x00b6,
+ /* 183 bullet */ 0x2022,
+ /* 184 quotesinglbase */ 0x201a,
+ /* 185 quotedblbase */ 0x201e,
+ /* 186 quotedblright */ 0x201d,
+ /* 187 guillemotright */ 0x00bb,
+ /* 188 ellipsis */ 0x2026,
+ /* 189 perthousand */ 0x2030,
+ /* 190 logicalnot */ 0x00ac,
+ /* 191 questiondown */ 0x00bf,
+ /* 192 onesuperior */ 0x00b9,
+ /* 193 grave */ 0x02cb,
+ /* 194 acute */ 0x00b4,
+ /* 195 circumflex */ 0x02c6,
+ /* 196 tilde */ 0x02dc,
+ /* 197 macron */ 0x00af,
+ /* 198 breve */ 0x02d8,
+ /* 199 dotaccent */ 0x02d9,
+ /* 200 dieresis */ 0x00a8,
+ /* 201 twosuperior */ 0x00b2,
+ /* 202 ring */ 0x02da,
+ /* 203 cedilla */ 0x00b8,
+ /* 204 threesuperior */ 0x00b3,
+ /* 205 hungarumlaut */ 0x02dd,
+ /* 206 ogonek */ 0x02db,
+ /* 207 caron */ 0x02c7,
+ /* 208 emdash */ 0x2014,
+ /* 209 plusminus */ 0x00b1,
+ /* 210 onequarter */ 0x00bc,
+ /* 211 onehalf */ 0x00bd,
+ /* 212 threequarters */ 0x00be,
+ /* 213 agrave */ 0x00e0,
+ /* 214 aacute */ 0x00e1,
+ /* 215 acircumflex */ 0x00e2,
+ /* 216 atilde */ 0x00e3,
+ /* 217 adieresis */ 0x00e4,
+ /* 218 aring */ 0x00e5,
+ /* 219 ccedilla */ 0x00e7,
+ /* 220 egrave */ 0x00e8,
+ /* 221 eacute */ 0x00e9,
+ /* 222 ecircumflex */ 0x00ea,
+ /* 223 edieresis */ 0x00eb,
+ /* 224 igrave */ 0x00ec,
+ /* 225 AE */ 0x00c6,
+ /* 226 iacute */ 0x00ed,
+ /* 227 ordfeminine */ 0x00aa,
+ /* 228 icircumflex */ 0x00ee,
+ /* 229 idieresis */ 0x00ef,
+ /* 230 eth */ 0x00f0,
+ /* 231 ntilde */ 0x00f1,
+ /* 232 Lslash */ 0x0141,
+ /* 233 Oslash */ 0x00d8,
+ /* 234 OE */ 0x0152,
+ /* 235 ordmasculine */ 0x00ba,
+ /* 236 ograve */ 0x00f2,
+ /* 237 oacute */ 0x00f3,
+ /* 238 ocircumflex */ 0x00f4,
+ /* 239 otilde */ 0x00f5,
+ /* 240 odieresis */ 0x00f6,
+ /* 241 ae */ 0x00e6,
+ /* 242 ugrave */ 0x00f9,
+ /* 243 uacute */ 0x00fa,
+ /* 244 ucircumflex */ 0x00fb,
+ /* 245 dotlessi */ 0x0131,
+ /* 246 udieresis */ 0x00fc,
+ /* 247 yacute */ 0x00fd,
+ /* 248 lslash */ 0x0142,
+ /* 249 oslash */ 0x00f8,
+ /* 250 oe */ 0x0153,
+ /* 251 germandbls */ 0x00df,
+ /* 252 thorn */ 0x00fe,
+ /* 253 ydieresis */ 0x00ff,
+ /* 254 .notdef */ 0xFFFD,
+ /* 255 .notdef */ 0xFFFD
+};
+
+static bool __CFFromNextStepLatin(uint32_t flags, uint8_t byte, UniChar *character) {
+ return ((*character = (byte < 0x80 ? (UniChar)byte : NSToPrecompUnicodeTable[byte - 0x80])) != 0xFFFD);
+}
+
+static CFIndex __CFToNextStepLatinPrecompose(uint32_t flags, const UniChar *character, CFIndex numChars, uint8_t *bytes, CFIndex maxByteLen, CFIndex *usedByteLen) {
+ uint8_t byte;
+ CFIndex usedCharLen;
+
+ if (__CFToNextStepLatin(flags, CFStringEncodingPrecomposeLatinCharacter(character, numChars, &usedCharLen), &byte) && byte && (usedCharLen > 1)) {
+ if (maxByteLen) *bytes = byte;
+ *usedByteLen = 1;
+ return usedCharLen;
+ } else {
+ return 0;
+ }
+}
+
+__private_extern__ const CFStringEncodingConverter __CFConverterNextStepLatin = {
+ __CFToNextStepLatin, __CFFromNextStepLatin, 1, 1, kCFStringEncodingConverterCheapEightBit,
+ NULL, NULL, NULL, NULL, __CFToNextStepLatinPrecompose, CFStringEncodingIsValidCombiningCharacterForLatin1,
+};
+
+/* UTF8 */
+/*
+ * Copyright 2001 Unicode, Inc.
+ *
+ * Disclaimer
+ *
+ * This source code is provided as is by Unicode, Inc. No claims are
+ * made as to fitness for any particular purpose. No warranties of any
+ * kind are expressed or implied. The recipient agrees to determine
+ * applicability of information provided. If this file has been
+ * purchased on magnetic or optical media from Unicode, Inc., the
+ * sole remedy for any claim will be exchange of defective media
+ * within 90 days of receipt.
+ *
+ * Limitations on Rights to Redistribute This Code
+ *
+ * Unicode, Inc. hereby grants the right to freely use the information
+ * supplied in this file in the creation of products supporting the
+ * Unicode Standard, and to make copies of this file in any form
+ * for internal or external distribution as long as this notice
+ * remains attached.
+ */
+
+static const uint32_t kReplacementCharacter = 0x0000FFFDUL;
+static const uint32_t kMaximumUCS2 = 0x0000FFFFUL;
+static const uint32_t kMaximumUTF16 = 0x0010FFFFUL;
+static const uint32_t kMaximumUCS4 = 0x7FFFFFFFUL;
+
+static const int halfShift = 10;
+static const uint32_t halfBase = 0x0010000UL;
+static const uint32_t halfMask = 0x3FFUL;
+static const uint32_t kSurrogateHighStart = 0xD800UL;
+static const uint32_t kSurrogateHighEnd = 0xDBFFUL;
+static const uint32_t kSurrogateLowStart = 0xDC00UL;
+static const uint32_t kSurrogateLowEnd = 0xDFFFUL;
+
+/*
+ * Index into the table below with the first byte of a UTF-8 sequence to
+ * get the number of trailing bytes that are supposed to follow it.
+ */
+static const char trailingBytesForUTF8[256] = {
+ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
+ 2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2, 3,3,3,3,3,3,3,3,4,4,4,4,5,5,5,5
+};
+
+/*
+ * Magic values subtracted from a buffer value during UTF8 conversion.
+ * This table contains as many values as there might be trailing bytes
+ * in a UTF-8 sequence.
+ */
+static const UTF32Char offsetsFromUTF8[6] = { 0x00000000UL, 0x00003080UL, 0x000E2080UL,
+ 0x03C82080UL, 0xFA082080UL, 0x82082080UL };
+
+static const uint8_t firstByteMark[7] = { 0x00, 0x00, 0xC0, 0xE0, 0xF0, 0xF8, 0xFC };
+
+/* This code is similar in effect to making successive calls on the mbtowc and wctomb routines in FSS-UTF. However, it is considerably different in code:
+ * it is adapted to be consistent with UTF16,
+ * constants have been gathered.
+ * loops & conditionals have been removed as much as possible for
+ * efficiency, in favor of drop-through switch statements.
+*/
+
+CF_INLINE uint16_t __CFUTF8BytesToWriteForCharacter(uint32_t ch) {
+ if (ch < 0x80) return 1;
+ else if (ch < 0x800) return 2;
+ else if (ch < 0x10000) return 3;
+ else if (ch < 0x200000) return 4;
+ else if (ch < 0x4000000) return 5;
+ else if (ch <= kMaximumUCS4) return 6;
+ else return 0;
+}
+
+CF_INLINE uint16_t __CFToUTF8Core(uint32_t ch, uint8_t *bytes, uint32_t maxByteLen) {
+ uint16_t bytesToWrite = __CFUTF8BytesToWriteForCharacter(ch);
+ const uint32_t byteMask = 0xBF;
+ const uint32_t byteMark = 0x80;
+
+ if (!bytesToWrite) {
+ bytesToWrite = 2;
+ ch = kReplacementCharacter;
+ }
+
+ if (maxByteLen < bytesToWrite) return 0;
+
+ switch (bytesToWrite) { /* note: code falls through cases! */
+ case 6: bytes[5] = (ch | byteMark) & byteMask; ch >>= 6;
+ case 5: bytes[4] = (ch | byteMark) & byteMask; ch >>= 6;
+ case 4: bytes[3] = (ch | byteMark) & byteMask; ch >>= 6;
+ case 3: bytes[2] = (ch | byteMark) & byteMask; ch >>= 6;
+ case 2: bytes[1] = (ch | byteMark) & byteMask; ch >>= 6;
+ case 1: bytes[0] = ch | firstByteMark[bytesToWrite];
+ }
+ return bytesToWrite;
+}
+
+static CFIndex __CFToUTF8(uint32_t flags, const UniChar *characters, CFIndex numChars, uint8_t *bytes, CFIndex maxByteLen, CFIndex *usedByteLen) {
+ uint16_t bytesWritten;
+ uint32_t ch;
+ const UniChar *beginCharacter = characters;
+ const UniChar *endCharacter = characters + numChars;
+ const uint8_t *beginBytes = bytes;
+ const uint8_t *endBytes = bytes + maxByteLen;
+ bool isStrict = (flags & kCFStringEncodingUseHFSPlusCanonical ? false : true);
+
+ while ((characters < endCharacter) && (!maxByteLen || (bytes < endBytes))) {
+ ch = *(characters++);
+
+ if (ch < 0x80) { // ASCII
+ if (maxByteLen) *bytes = ch;
+ ++bytes;
+ } else {
+ if (ch >= kSurrogateHighStart) {
+ if (ch <= kSurrogateHighEnd) {
+ if ((characters < endCharacter) && ((*characters >= kSurrogateLowStart) && (*characters <= kSurrogateLowEnd))) {
+ ch = ((ch - kSurrogateHighStart) << halfShift) + (*(characters++) - kSurrogateLowStart) + halfBase;
+ } else if (isStrict) {
+ --characters;
+ break;
+ }
+ } else if (isStrict && (ch <= kSurrogateLowEnd)) {
+ --characters;
+ break;
+ }
+ }
+
+ if (!(bytesWritten = (maxByteLen ? __CFToUTF8Core(ch, bytes, endBytes - bytes) : __CFUTF8BytesToWriteForCharacter(ch)))) {
+ characters -= (ch < 0x10000 ? 1 : 2);
+ break;
+ }
+ bytes += bytesWritten;
+ }
+ }
+
+ if (usedByteLen) *usedByteLen = bytes - beginBytes;
+ return characters - beginCharacter;
+}
+
+/*
+ * Utility routine to tell whether a sequence of bytes is legal UTF-8.
+ * This must be called with the length pre-determined by the first byte.
+ * If not calling this from ConvertUTF8to*, then the length can be set by:
+ * length = trailingBytesForUTF8[*source]+1;
+ * and the sequence is illegal right away if there aren't that many bytes
+ * available.
+ * If presented with a length > 4, this returns false. The Unicode
+ * definition of UTF-8 goes up to 4-byte sequences.
+ */
+
+CF_INLINE bool __CFIsLegalUTF8(const uint8_t *source, CFIndex length) {
+ if (length > 4) return false;
+
+ const uint8_t *srcptr = source+length;
+ uint8_t head = *source;
+
+ while (--srcptr > source) if ((*srcptr & 0xC0) != 0x80) return false;
+
+ if (((head >= 0x80) && (head < 0xC2)) || (head > 0xF4)) return false;
+
+ if (((head == 0xE0) && (*(source + 1) < 0xA0)) || ((head == 0xED) && (*(source + 1) > 0x9F)) || ((head == 0xF0) && (*(source + 1) < 0x90)) || ((head == 0xF4) && (*(source + 1) > 0x8F))) return false;
+ return true;
+}
+
+static CFIndex __CFFromUTF8(uint32_t flags, const uint8_t *bytes, CFIndex numBytes, UniChar *characters, CFIndex maxCharLen, CFIndex *usedCharLen) {
+ const uint8_t *source = bytes;
+ uint16_t extraBytesToRead;
+ CFIndex theUsedCharLen = 0;
+ uint32_t ch;
+ bool isHFSPlus = (flags & kCFStringEncodingUseHFSPlusCanonical ? true : false);
+ bool needsToDecompose = (flags & kCFStringEncodingUseCanonical || isHFSPlus ? true : false);
+ bool strictUTF8 = (flags & kCFStringEncodingLenientUTF8Conversion ? false : true);
+ UTF32Char decomposed[MAX_DECOMPOSED_LENGTH];
+ CFIndex decompLength;
+ bool isStrict = !isHFSPlus;
+
+ while (numBytes && (!maxCharLen || (theUsedCharLen < maxCharLen))) {
+ extraBytesToRead = trailingBytesForUTF8[*source];
+
+ if (extraBytesToRead > --numBytes) break;
+ numBytes -= extraBytesToRead;
+
+ /* Do this check whether lenient or strict */
+ // We need to allow 0xA9 (copyright in MacRoman and Unicode) not to break existing apps
+ // Will use a flag passed in from upper layers to switch restriction mode for this case in the next release
+ if ((extraBytesToRead > 3) || (strictUTF8 && !__CFIsLegalUTF8(source, extraBytesToRead + 1))) {
+ if ((*source == 0xA9) || (flags & kCFStringEncodingAllowLossyConversion)) {
+ numBytes += extraBytesToRead;
+ ++source;
+ if (maxCharLen) *(characters++) = (UTF16Char)kReplacementCharacter;
+ ++theUsedCharLen;
+ continue;
+ } else {
+ break;
+ }
+ }
+
+ ch = 0;
+ /*
+ * The cases all fall through. See "Note A" below.
+ */
+ switch (extraBytesToRead) {
+ case 3: ch += *source++; ch <<= 6;
+ case 2: ch += *source++; ch <<= 6;
+ case 1: ch += *source++; ch <<= 6;
+ case 0: ch += *source++;
+ }
+ ch -= offsetsFromUTF8[extraBytesToRead];
+
+ if (ch <= kMaximumUCS2) {
+ if (isStrict && (ch >= kSurrogateHighStart && ch <= kSurrogateLowEnd)) {
+ source -= (extraBytesToRead + 1);
+ break;
+ }
+ if (needsToDecompose && CFUniCharIsDecomposableCharacter(ch, isHFSPlus)) {
+ decompLength = CFUniCharDecomposeCharacter(ch, decomposed, MAX_DECOMPOSED_LENGTH);
+
+ if (maxCharLen) {
+ if (!CFUniCharFillDestinationBuffer(decomposed, decompLength, (void **)&characters, maxCharLen, &theUsedCharLen, kCFUniCharUTF16Format)) break;
+ } else {
+ theUsedCharLen += decompLength;
+ }
+ } else {
+ if (maxCharLen) *(characters++) = (UTF16Char)ch;
+ ++theUsedCharLen;
+ }
+ } else if (ch > kMaximumUTF16) {
+ if (isStrict) {
+ source -= (extraBytesToRead + 1);
+ break;
+ }
+ if (maxCharLen) *(characters++) = (UTF16Char)kReplacementCharacter;
+ ++theUsedCharLen;
+ } else {
+ if (needsToDecompose && CFUniCharIsDecomposableCharacter(ch, isHFSPlus)) {
+ decompLength = CFUniCharDecomposeCharacter(ch, decomposed, MAX_DECOMPOSED_LENGTH);
+
+ if (maxCharLen) {
+ if (!CFUniCharFillDestinationBuffer(decomposed, decompLength, (void **)&characters, maxCharLen, &theUsedCharLen, kCFUniCharUTF16Format)) break;
+ } else {
+ while (--decompLength >= 0) theUsedCharLen += (decomposed[decompLength] < 0x10000 ? 1 : 2);
+ }
+ } else {
+ if (maxCharLen) {
+ if ((theUsedCharLen + 2) > maxCharLen) break;
+ ch -= halfBase;
+ *(characters++) = (ch >> halfShift) + kSurrogateHighStart;
+ *(characters++) = (ch & halfMask) + kSurrogateLowStart;
+ }
+ theUsedCharLen += 2;
+ }
+ }
+ }
+
+ if (usedCharLen) *usedCharLen = theUsedCharLen;
+
+ return source - bytes;
+}
+
+static CFIndex __CFToUTF8Len(uint32_t flags, const UniChar *characters, CFIndex numChars) {
+ uint32_t bytesToWrite = 0;
+ uint32_t ch;
+
+ while (numChars) {
+ ch = *characters++;
+ numChars--;
+ if ((ch >= kSurrogateHighStart && ch <= kSurrogateHighEnd) && numChars && (*characters >= kSurrogateLowStart && *characters <= kSurrogateLowEnd)) {
+ ch = ((ch - kSurrogateHighStart) << halfShift) + (*characters++ - kSurrogateLowStart) + halfBase;
+ numChars--;
+ }
+ bytesToWrite += __CFUTF8BytesToWriteForCharacter(ch);
+ }
+
+ return bytesToWrite;
+}
+
+static CFIndex __CFFromUTF8Len(uint32_t flags, const uint8_t *source, CFIndex numBytes) {
+ uint16_t extraBytesToRead;
+ CFIndex theUsedCharLen = 0;
+ uint32_t ch;
+ bool isHFSPlus = (flags & kCFStringEncodingUseHFSPlusCanonical ? true : false);
+ bool needsToDecompose = (flags & kCFStringEncodingUseCanonical || isHFSPlus ? true : false);
+ bool strictUTF8 = (flags & kCFStringEncodingLenientUTF8Conversion ? false : true);
+ UTF32Char decomposed[MAX_DECOMPOSED_LENGTH];
+ CFIndex decompLength;
+ bool isStrict = !isHFSPlus;
+
+ while (numBytes) {
+ extraBytesToRead = trailingBytesForUTF8[*source];
+
+ if (extraBytesToRead > --numBytes) break;
+ numBytes -= extraBytesToRead;
+
+ /* Do this check whether lenient or strict */
+ // We need to allow 0xA9 (copyright in MacRoman and Unicode) not to break existing apps
+ // Will use a flag passed in from upper layers to switch restriction mode for this case in the next release
+ if ((extraBytesToRead > 3) || (strictUTF8 && !__CFIsLegalUTF8(source, extraBytesToRead + 1))) {
+ if ((*source == 0xA9) || (flags & kCFStringEncodingAllowLossyConversion)) {
+ numBytes += extraBytesToRead;
+ ++source;
+ ++theUsedCharLen;
+ continue;
+ } else {
+ break;
+ }
+ }
+
+
+ ch = 0;
+ /*
+ * The cases all fall through. See "Note A" below.
+ */
+ switch (extraBytesToRead) {
+ case 3: ch += *source++; ch <<= 6;
+ case 2: ch += *source++; ch <<= 6;
+ case 1: ch += *source++; ch <<= 6;
+ case 0: ch += *source++;
+ }
+ ch -= offsetsFromUTF8[extraBytesToRead];
+
+ if (ch <= kMaximumUCS2) {
+ if (isStrict && (ch >= kSurrogateHighStart && ch <= kSurrogateLowEnd)) {
+ break;
+ }
+ if (needsToDecompose && CFUniCharIsDecomposableCharacter(ch, isHFSPlus)) {
+ decompLength = CFUniCharDecomposeCharacter(ch, decomposed, MAX_DECOMPOSED_LENGTH);
+ theUsedCharLen += decompLength;
+ } else {
+ ++theUsedCharLen;
+ }
+ } else if (ch > kMaximumUTF16) {
+ ++theUsedCharLen;
+ } else {
+ if (needsToDecompose && CFUniCharIsDecomposableCharacter(ch, isHFSPlus)) {
+ decompLength = CFUniCharDecomposeCharacter(ch, decomposed, MAX_DECOMPOSED_LENGTH);
+ while (--decompLength >= 0) theUsedCharLen += (decomposed[decompLength] < 0x10000 ? 1 : 2);
+ } else {
+ theUsedCharLen += 2;
+ }
+ }
+ }
+
+ return theUsedCharLen;
+}
+
+__private_extern__ const CFStringEncodingConverter __CFConverterUTF8 = {
+ __CFToUTF8, __CFFromUTF8, 3, 2, kCFStringEncodingConverterStandard,
+ __CFToUTF8Len, __CFFromUTF8Len, NULL, NULL, NULL, NULL,
+};
projects / apple / cf.git / blobdiff