* remains 'A' */
#if '^' == 95 /* if defined(__MVS__) || defined(??) (VM/ESA?) 1047 */
-EXTCONST unsigned char PL_utf2e[] = { /* I8 to EBCDIC (IBM-1047) */
+EXTCONST unsigned char PL_utf2e[] = { /* I8 to UTFEBCDIC (IBM-1047) */
0x00, 0x01, 0x02, 0x03, 0x37, 0x2D, 0x2E, 0x2F, 0x16, 0x05, 0x15, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
0x10, 0x11, 0x12, 0x13, 0x3C, 0x3D, 0x32, 0x26, 0x18, 0x19, 0x3F, 0x27, 0x1C, 0x1D, 0x1E, 0x1F,
0x40, 0x5A, 0x7F, 0x7B, 0x5B, 0x6C, 0x50, 0x7D, 0x4D, 0x5D, 0x5C, 0x4E, 0x6B, 0x60, 0x4B, 0x61,
0xDC, 0xDD, 0xDE, 0xDF, 0xE1, 0xEA, 0xEB, 0xEC, 0xED, 0xEE, 0xEF, 0xFA, 0xFB, 0xFC, 0xFD, 0xFE
};
-EXTCONST unsigned char PL_e2utf[] = { /* EBCDIC (IBM-1047) to I8 */
+EXTCONST unsigned char PL_e2utf[] = { /* UTFEBCDIC (IBM-1047) to I8 */
0x00, 0x01, 0x02, 0x03, 0x9C, 0x09, 0x86, 0x7F, 0x97, 0x8D, 0x8E, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
0x10, 0x11, 0x12, 0x13, 0x9D, 0x0A, 0x08, 0x87, 0x18, 0x19, 0x92, 0x8F, 0x1C, 0x1D, 0x1E, 0x1F,
0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x17, 0x1B, 0x88, 0x89, 0x8A, 0x8B, 0x8C, 0x05, 0x06, 0x07,
#endif /* 1047 */
#if '^' == 106 /* if defined(_OSD_POSIX) POSIX-BC */
-unsigned char PL_utf2e[] = { /* I8 to EBCDIC (POSIX-BC) */
+unsigned char PL_utf2e[] = { /* I8 to UTFEBCDIC (POSIX-BC) */
0x00, 0x01, 0x02, 0x03, 0x37, 0x2D, 0x2E, 0x2F, 0x16, 0x05, 0x15, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
0x10, 0x11, 0x12, 0x13, 0x3C, 0x3D, 0x32, 0x26, 0x18, 0x19, 0x3F, 0x27, 0x1C, 0x1D, 0x1E, 0x1F,
0x40, 0x5A, 0x7F, 0x7B, 0x5B, 0x6C, 0x50, 0x7D, 0x4D, 0x5D, 0x5C, 0x4E, 0x6B, 0x60, 0x4B, 0x61,
0xDC, 0xC0, 0xDE, 0xDF, 0xE1, 0xEA, 0xEB, 0xEC, 0xED, 0xEE, 0xEF, 0xFA, 0xDD, 0xFC, 0xE0, 0xFE
};
-unsigned char PL_e2utf[] = { /* EBCDIC (POSIX-BC) to I8 */
+unsigned char PL_e2utf[] = { /* UTFEBCDIC (POSIX-BC) to I8 */
0x00, 0x01, 0x02, 0x03, 0x9C, 0x09, 0x86, 0x7F, 0x97, 0x8D, 0x8E, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
0x10, 0x11, 0x12, 0x13, 0x9D, 0x0A, 0x08, 0x87, 0x18, 0x19, 0x92, 0x8F, 0x1C, 0x1D, 0x1E, 0x1F,
0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x17, 0x1B, 0x88, 0x89, 0x8A, 0x8B, 0x8C, 0x05, 0x06, 0x07,
#endif /* POSIX-BC */
#if '^' == 176 /* if defined(??) (OS/400?) 037 */
-unsigned char PL_utf2e[] = { /* I8 to EBCDIC (IBM-037) */
+unsigned char PL_utf2e[] = { /* I8 to UTFEBCDIC (IBM-037) */
0x00, 0x01, 0x02, 0x03, 0x37, 0x2D, 0x2E, 0x2F, 0x16, 0x05, 0x25, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
0x10, 0x11, 0x12, 0x13, 0x3C, 0x3D, 0x32, 0x26, 0x18, 0x19, 0x3F, 0x27, 0x1C, 0x1D, 0x1E, 0x1F,
0x40, 0x5A, 0x7F, 0x7B, 0x5B, 0x6C, 0x50, 0x7D, 0x4D, 0x5D, 0x5C, 0x4E, 0x6B, 0x60, 0x4B, 0x61,
0xDC, 0xDD, 0xDE, 0xDF, 0xE1, 0xEA, 0xEB, 0xEC, 0xED, 0xEE, 0xEF, 0xFA, 0xFB, 0xFC, 0xFD, 0xFE
};
-unsigned char PL_e2utf[] = { /* EBCDIC (IBM-037) to I8 */
+unsigned char PL_e2utf[] = { /* UTFEBCDIC (IBM-037) to I8 */
0x00, 0x01, 0x02, 0x03, 0x9C, 0x09, 0x86, 0x7F, 0x97, 0x8D, 0x8E, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
0x10, 0x11, 0x12, 0x13, 0x9D, 0x85, 0x08, 0x87, 0x18, 0x19, 0x92, 0x8F, 0x1C, 0x1D, 0x1E, 0x1F,
0x80, 0x81, 0x82, 0x83, 0x84, 0x0A, 0x17, 0x1B, 0x88, 0x89, 0x8A, 0x8B, 0x8C, 0x05, 0x06, 0x07,
};
#endif /* 037 */
+/* Since the EBCDIC code pages are isomorphic to Latin1, that table is merely a
+ * duplicate */
+EXTCONST unsigned char * PL_fold_latin1 = PL_fold;
+
#else
EXTCONST unsigned char PL_utf8skip[];
EXTCONST unsigned char PL_e2utf[];
EXTCONST unsigned char PL_e2a[];
EXTCONST unsigned char PL_a2e[];
EXTCONST unsigned char PL_fold[];
+EXTCONST unsigned char * PL_fold_latin1;
#endif
-/* Since the EBCDIC code pages are isomorphic to Latin1, that table is merely a
- * duplicate */
-EXTCONST unsigned char * PL_fold_latin1 = PL_fold;
-
END_EXTERN_C
/* EBCDIC-happy ways of converting native code to UTF-8 */
-/* Native to iso-8859-1 */
-#define NATIVE_TO_ASCII(ch) PL_e2a[(U8)(ch)]
-#define ASCII_TO_NATIVE(ch) PL_a2e[(U8)(ch)]
-/* Transform after encoding, essentially converts to/from I8 */
-#define NATIVE_TO_UTF(ch) PL_e2utf[(U8)(ch)] /* to I8 */
-#define NATIVE_TO_I8(ch) NATIVE_TO_UTF(ch) /* synonym */
-#define UTF_TO_NATIVE(ch) PL_utf2e[(U8)(ch)] /* from I8 */
-#define I8_TO_NATIVE(ch) UTF_TO_NATIVE(ch) /* synonym */
-/* Transform in wide UV char space */
-#define NATIVE_TO_UNI(ch) (((ch) > 255) ? (ch) : NATIVE_TO_ASCII(ch))
-#define UNI_TO_NATIVE(ch) (((ch) > 255) ? (ch) : ASCII_TO_NATIVE(ch))
+#define NATIVE_TO_LATIN1(ch) PL_e2a[(U8)(ch)]
+#define LATIN1_TO_NATIVE(ch) PL_a2e[(U8)(ch)]
+
+#define NATIVE_UTF8_TO_I8(ch) (ch) PL_e2utf[(U8)(ch)]
+#define I8_TO_NATIVE_UTF8(ch) (ch) PL_utf2e[(U8)(ch)]
+
+/* Transforms in wide UV chars */
+#define NATIVE_TO_UNI(ch) (((ch) > 255) ? (ch) : NATIVE_TO_LATIN1(ch))
+#define UNI_TO_NATIVE(ch) (((ch) > 255) ? (ch) : LATIN1_TO_NATIVE(ch))
+
/* Transform in invariant..byte space */
-#define NATIVE_TO_NEED(enc,ch) ((enc) ? UTF_TO_NATIVE(NATIVE_TO_ASCII(ch)) : (ch))
-#define ASCII_TO_NEED(enc,ch) ((enc) ? UTF_TO_NATIVE(ch) : ASCII_TO_NATIVE(ch))
+#define NATIVE_TO_NEED(enc,ch) ((enc) \
+ ? I8_TO_NATIVE_UTF8(NATIVE_TO_LATIN1(ch)) \
+ : (ch))
+#define ASCII_TO_NEED(enc,ch) ((enc) \
+ ? I8_TO_NATIVE_UTF8(ch) \
+ : LATIN1_TO_NATIVE(ch))
/*
The following table is adapted from tr16, it shows I8 encoding of Unicode code points.
* Comments as to the meaning of each are given at their corresponding utf8.h
* definitions */
-#define UTF8_IS_START(c) (NATIVE_TO_UTF(c) >= 0xC5 && NATIVE_TO_UTF(c) != 0xE0)
-#define UTF8_IS_CONTINUATION(c) ((NATIVE_TO_UTF(c) & 0xE0) == 0xA0)
-#define UTF8_IS_CONTINUED(c) (NATIVE_TO_UTF(c) >= 0xA0)
-#define UTF8_IS_DOWNGRADEABLE_START(c) (NATIVE_TO_UTF(c) >= 0xC5 && NATIVE_TO_UTF(c) <= 0xC7)
-#define UTF8_IS_ABOVE_LATIN1(c) (NATIVE_TO_I8(c) >= 0xC8)
+#define UTF8_IS_START(c) (NATIVE_UTF8_TO_I8(c) >= 0xC5 \
+ && NATIVE_UTF8_TO_I8(c) != 0xE0)
+#define UTF8_IS_CONTINUATION(c) ((NATIVE_UTF8_TO_I8(c) & 0xE0) == 0xA0)
+#define UTF8_IS_CONTINUED(c) (NATIVE_UTF8_TO_I8(c) >= 0xA0)
+#define UTF8_IS_DOWNGRADEABLE_START(c) (NATIVE_UTF8_TO_I8(c) >= 0xC5 \
+ && NATIVE_UTF8_TO_I8(c) <= 0xC7)
+#define UTF8_IS_ABOVE_LATIN1(c) (NATIVE_UTF8_TO_I8(c) >= 0xC8)
#define UTF_START_MARK(len) (((len) > 7) ? 0xFF : ((U8)(0xFE << (7-(len)))))
#define UTF_START_MASK(len) (((len) >= 6) ? 0x01 : (0x1F >> ((len)-2)))