#endif
/* The first problematic code point is the first surrogate */
- if (uv >= UNICODE_SURROGATE_FIRST
+ if ( flags /* It's common to turn off all these */
+ && uv >= UNICODE_SURROGATE_FIRST
&& ckWARN3_d(WARN_SURROGATE, WARN_NON_UNICODE, WARN_NONCHAR))
{
if (UNICODE_IS_SURROGATE(uv)) {
legal Unicode or are problematic, unless C<flags> contains one or more of the
following flags:
-If C<uv> is a Unicode surrogate code point and UNICODE_WARN_SURROGATE is set,
+If C<uv> is a Unicode surrogate code point and C<UNICODE_WARN_SURROGATE> is set,
the function will raise a warning, provided UTF8 warnings are enabled. If instead
-UNICODE_DISALLOW_SURROGATE is set, the function will fail and return NULL.
+C<UNICODE_DISALLOW_SURROGATE> is set, the function will fail and return NULL.
If both flags are set, the function will both warn and return NULL.
-The UNICODE_WARN_NONCHAR and UNICODE_DISALLOW_NONCHAR flags
+The C<UNICODE_WARN_NONCHAR> and C<UNICODE_DISALLOW_NONCHAR> flags
affect how the function handles a Unicode non-character. And likewise, the
-UNICODE_WARN_SUPER and UNICODE_DISALLOW_SUPER flags affect the handling of
+C<UNICODE_WARN_SUPER> and C<UNICODE_DISALLOW_SUPER> flags affect the handling of
code points that are
above the Unicode maximum of 0x10FFFF. Code points above 0x7FFF_FFFF (which are
even less portable) can be warned and/or disallowed even if other above-Unicode
-code points are accepted, by the UNICODE_WARN_FE_FF and UNICODE_DISALLOW_FE_FF
-flags.
+code points are accepted, by the C<UNICODE_WARN_FE_FF> and
+C<UNICODE_DISALLOW_FE_FF> flags.
-And finally, the flag UNICODE_WARN_ILLEGAL_INTERCHANGE selects all four of the
-above WARN flags; and UNICODE_DISALLOW_ILLEGAL_INTERCHANGE selects all four
-DISALLOW flags.
+And finally, the flag C<UNICODE_WARN_ILLEGAL_INTERCHANGE> selects all four of
+the above WARN flags; and C<UNICODE_DISALLOW_ILLEGAL_INTERCHANGE> selects all
+four DISALLOW flags.
=cut
*/
malformations, the Unicode REPLACEMENT CHARACTER is returned, as these have no
determinable reasonable value.
-The UTF8_CHECK_ONLY flag overrides the behavior when a non-allowed (by other
+The C<UTF8_CHECK_ONLY> flag overrides the behavior when a non-allowed (by other
flags) malformation is found. If this flag is set, the routine assumes that
the caller will raise a warning, and this function will silently just set
C<retlen> to C<-1> (cast to C<STRLEN>) and return zero.
Note that this API requires disambiguation between successful decoding a C<NUL>
-character, and an error return (unless the UTF8_CHECK_ONLY flag is set), as
+character, and an error return (unless the C<UTF8_CHECK_ONLY> flag is set), as
in both cases, 0 is returned. To disambiguate, upon a zero return, see if the
first byte of C<s> is 0 as well. If so, the input was a C<NUL>; if not, the
input had an error.
Unicode non-characters, and code points above the Unicode maximum of 0x10FFFF.
By default these are considered regular code points, but certain situations
warrant special handling for them. If C<flags> contains
-UTF8_DISALLOW_ILLEGAL_INTERCHANGE, all three classes are treated as
-malformations and handled as such. The flags UTF8_DISALLOW_SURROGATE,
-UTF8_DISALLOW_NONCHAR, and UTF8_DISALLOW_SUPER (meaning above the legal Unicode
-maximum) can be set to disallow these categories individually.
-
-The flags UTF8_WARN_ILLEGAL_INTERCHANGE, UTF8_WARN_SURROGATE,
-UTF8_WARN_NONCHAR, and UTF8_WARN_SUPER will cause warning messages to be raised
-for their respective categories, but otherwise the code points are considered
-valid (not malformations). To get a category to both be treated as a
-malformation and raise a warning, specify both the WARN and DISALLOW flags.
+C<UTF8_DISALLOW_ILLEGAL_INTERCHANGE>, all three classes are treated as
+malformations and handled as such. The flags C<UTF8_DISALLOW_SURROGATE>,
+C<UTF8_DISALLOW_NONCHAR>, and C<UTF8_DISALLOW_SUPER> (meaning above the legal
+Unicode maximum) can be set to disallow these categories individually.
+
+The flags C<UTF8_WARN_ILLEGAL_INTERCHANGE>, C<UTF8_WARN_SURROGATE>,
+C<UTF8_WARN_NONCHAR>, and C<UTF8_WARN_SUPER> will cause warning messages to be
+raised for their respective categories, but otherwise the code points are
+considered valid (not malformations). To get a category to both be treated as
+a malformation and raise a warning, specify both the WARN and DISALLOW flags.
(But note that warnings are not raised if lexically disabled nor if
-UTF8_CHECK_ONLY is also specified.)
+C<UTF8_CHECK_ONLY> is also specified.)
Very large code points (above 0x7FFF_FFFF) are considered more problematic than
the others that are above the Unicode legal maximum. There are several
representable by a UV on ASCII platforms, but not by an IV, which means that
the number of operations that can be performed on them is quite restricted.)
The UTF-8 encoding on ASCII platforms for these large code points begins with a
-byte containing 0xFE or 0xFF. The UTF8_DISALLOW_FE_FF flag will cause them to
+byte containing 0xFE or 0xFF. The C<UTF8_DISALLOW_FE_FF> flag will cause them to
be treated as malformations, while allowing smaller above-Unicode code points.
-(Of course UTF8_DISALLOW_SUPER will treat all above-Unicode code points,
+(Of course C<UTF8_DISALLOW_SUPER> will treat all above-Unicode code points,
including these, as malformations.)
-Similarly, UTF8_WARN_FE_FF acts just like
+Similarly, C<UTF8_WARN_FE_FF> acts just like
the other WARN flags, but applies just to these code points.
All other code points corresponding to Unicode characters, including private
If C<s> does not point to a well-formed UTF-8 character and UTF8 warnings are
enabled, zero is returned and C<*retlen> is set (if C<retlen> isn't
-NULL) to -1. If those warnings are off, the computed value, if well-defined
+C<NULL>) to -1. If those warnings are off, the computed value, if well-defined
(or the Unicode REPLACEMENT CHARACTER if not), is silently returned, and
-C<*retlen> is set (if C<retlen> isn't NULL) so that (S<C<s> + C<*retlen>>) is
+C<*retlen> is set (if C<retlen> isn't C<NULL>) so that (S<C<s> + C<*retlen>>) is
the next possible position in C<s> that could begin a non-malformed character.
See L</utf8n_to_uvchr> for details on when the REPLACEMENT CHARACTER is
returned.
if (u < uend) {
U8 c1 = *u++;
if (UTF8_IS_CONTINUATION(c1)) {
- c = TWO_BYTE_UTF8_TO_NATIVE(c, c1);
+ c = EIGHT_BIT_UTF8_TO_NATIVE(c, c1);
} else {
Perl_ck_warner_d(aTHX_ packWARN(WARN_UTF8),
"Malformed UTF-8 character "
U8 c = *s++;
if (! UTF8_IS_INVARIANT(c)) {
/* Then it is two-byte encoded */
- c = TWO_BYTE_UTF8_TO_NATIVE(c, *s);
+ c = EIGHT_BIT_UTF8_TO_NATIVE(c, *s);
s++;
}
*d++ = c;
length. Returns the original string if no conversion occurs, C<len>
is unchanged. Do nothing if C<is_utf8> points to 0. Sets C<is_utf8> to
0 if C<s> is converted or consisted entirely of characters that are invariant
-in utf8 (i.e., US-ASCII on non-EBCDIC machines).
+in UTF-8 (i.e., US-ASCII on non-EBCDIC machines).
=cut
*/
U8 c = *s++;
if (! UTF8_IS_INVARIANT(c)) {
/* Then it is two-byte encoded */
- c = TWO_BYTE_UTF8_TO_NATIVE(c, *s);
+ c = EIGHT_BIT_UTF8_TO_NATIVE(c, *s);
s++;
}
*d++ = c;
Perl__to_upper_title_latin1(pTHX_ const U8 c, U8* p, STRLEN *lenp, const char S_or_s)
{
/* We have the latin1-range values compiled into the core, so just use
- * those, converting the result to utf8. The only difference between upper
+ * those, converting the result to UTF-8. The only difference between upper
* and title case in this range is that LATIN_SMALL_LETTER_SHARP_S is
* either "SS" or "Ss". Which one to use is passed into the routine in
* 'S_or_s' to avoid a test */
case MICRO_SIGN:
converted = GREEK_CAPITAL_LETTER_MU;
break;
+#if UNICODE_MAJOR_VERSION > 2 \
+ || (UNICODE_MAJOR_VERSION == 2 && UNICODE_DOT_VERSION >= 1 \
+ && UNICODE_DOT_DOT_VERSION >= 8)
case LATIN_SMALL_LETTER_SHARP_S:
*(p)++ = 'S';
*p = S_or_s;
*lenp = 2;
return 'S';
+#endif
default:
Perl_croak(aTHX_ "panic: to_upper_title_latin1 did not expect '%c' to map to '%c'", c, LATIN_SMALL_LETTER_Y_WITH_DIAERESIS);
NOT_REACHED; /* NOTREACHED */
S_to_lower_latin1(const U8 c, U8* p, STRLEN *lenp)
{
/* We have the latin1-range values compiled into the core, so just use
- * those, converting the result to utf8. Since the result is always just
+ * those, converting the result to UTF-8. Since the result is always just
* one character, we allow <p> to be NULL */
U8 converted = toLOWER_LATIN1(c);
C<swashp> is a pointer to the swash to use.
Both the special and normal mappings are stored in F<lib/unicore/To/Foo.pl>,
-and loaded by SWASHNEW, using F<lib/utf8_heavy.pl>. C<special> (usually,
+and loaded by C<SWASHNEW>, using F<lib/utf8_heavy.pl>. C<special> (usually,
but not always, a multicharacter mapping), is tried first.
C<special> is a string, normally C<NULL> or C<"">. C<NULL> means to not use
than these two are treated as the name of the hash containing the special
mappings, like C<"utf8::ToSpecLower">.
-C<normal> is a string like "ToLower" which means the swash
-%utf8::ToLower.
+C<normal> is a string like C<"ToLower"> which means the swash
+C<%utf8::ToLower>.
=cut */
}
if (hv
- && (svp = hv_fetch(hv, (const char*)p, UNISKIP(uv1), FALSE))
+ && (svp = hv_fetch(hv, (const char*)p, UVCHR_SKIP(uv1), FALSE))
&& (*svp))
{
const char *s;
}
if (!len && *swashp) {
- const UV uv2 = swash_fetch(*swashp, p, TRUE /* => is utf8 */);
+ const UV uv2 = swash_fetch(*swashp, p, TRUE /* => is UTF-8 */);
if (uv2) {
/* It was "normal" (a single character mapping). */
STATIC UV
S_check_locale_boundary_crossing(pTHX_ const U8* const p, const UV result, U8* const ustrp, STRLEN *lenp)
{
- /* This is called when changing the case of a utf8-encoded character above
+ /* This is called when changing the case of a UTF-8-encoded character above
* the Latin1 range, and the operation is in a non-UTF-8 locale. If the
* result contains a character that crosses the 255/256 boundary, disallow
* the change, and return the original code point. See L<perlfunc/lc> for
}
else if UTF8_IS_DOWNGRADEABLE_START(*p) {
if (flags) {
- U8 c = TWO_BYTE_UTF8_TO_NATIVE(*p, *(p+1));
+ U8 c = EIGHT_BIT_UTF8_TO_NATIVE(*p, *(p+1));
result = toUPPER_LC(c);
}
else {
- return _to_upper_title_latin1(TWO_BYTE_UTF8_TO_NATIVE(*p, *(p+1)),
+ return _to_upper_title_latin1(EIGHT_BIT_UTF8_TO_NATIVE(*p, *(p+1)),
ustrp, lenp, 'S');
}
}
- else { /* utf8, ord above 255 */
+ else { /* UTF-8, ord above 255 */
result = CALL_UPPER_CASE(p, ustrp, lenp);
if (flags) {
return result;
}
- /* Here, used locale rules. Convert back to utf8 */
+ /* Here, used locale rules. Convert back to UTF-8 */
if (UTF8_IS_INVARIANT(result)) {
*ustrp = (U8) result;
*lenp = 1;
}
else if UTF8_IS_DOWNGRADEABLE_START(*p) {
if (flags) {
- U8 c = TWO_BYTE_UTF8_TO_NATIVE(*p, *(p+1));
+ U8 c = EIGHT_BIT_UTF8_TO_NATIVE(*p, *(p+1));
result = toUPPER_LC(c);
}
else {
- return _to_upper_title_latin1(TWO_BYTE_UTF8_TO_NATIVE(*p, *(p+1)),
+ return _to_upper_title_latin1(EIGHT_BIT_UTF8_TO_NATIVE(*p, *(p+1)),
ustrp, lenp, 's');
}
}
- else { /* utf8, ord above 255 */
+ else { /* UTF-8, ord above 255 */
result = CALL_TITLE_CASE(p, ustrp, lenp);
if (flags) {
return result;
}
- /* Here, used locale rules. Convert back to utf8 */
+ /* Here, used locale rules. Convert back to UTF-8 */
if (UTF8_IS_INVARIANT(result)) {
*ustrp = (U8) result;
*lenp = 1;
}
else if UTF8_IS_DOWNGRADEABLE_START(*p) {
if (flags) {
- U8 c = TWO_BYTE_UTF8_TO_NATIVE(*p, *(p+1));
+ U8 c = EIGHT_BIT_UTF8_TO_NATIVE(*p, *(p+1));
result = toLOWER_LC(c);
}
else {
- return to_lower_latin1(TWO_BYTE_UTF8_TO_NATIVE(*p, *(p+1)),
+ return to_lower_latin1(EIGHT_BIT_UTF8_TO_NATIVE(*p, *(p+1)),
ustrp, lenp);
}
}
- else { /* utf8, ord above 255 */
+ else { /* UTF-8, ord above 255 */
result = CALL_LOWER_CASE(p, ustrp, lenp);
if (flags) {
return result;
}
- /* Here, used locale rules. Convert back to utf8 */
+ /* Here, used locale rules. Convert back to UTF-8 */
if (UTF8_IS_INVARIANT(result)) {
*ustrp = (U8) result;
*lenp = 1;
}
else if UTF8_IS_DOWNGRADEABLE_START(*p) {
if (flags & FOLD_FLAGS_LOCALE) {
- U8 c = TWO_BYTE_UTF8_TO_NATIVE(*p, *(p+1));
+ U8 c = EIGHT_BIT_UTF8_TO_NATIVE(*p, *(p+1));
result = toFOLD_LC(c);
}
else {
- return _to_fold_latin1(TWO_BYTE_UTF8_TO_NATIVE(*p, *(p+1)),
+ return _to_fold_latin1(EIGHT_BIT_UTF8_TO_NATIVE(*p, *(p+1)),
ustrp, lenp,
flags & (FOLD_FLAGS_FULL | FOLD_FLAGS_NOMIX_ASCII));
}
}
- else { /* utf8, ord above 255 */
+ else { /* UTF-8, ord above 255 */
result = CALL_FOLD_CASE(p, ustrp, lenp, flags & FOLD_FLAGS_FULL);
if (flags & FOLD_FLAGS_LOCALE) {
"resolved to \"\\x{FB06}\".");
goto return_ligature_st;
}
+
+#if UNICODE_MAJOR_VERSION == 3 \
+ && UNICODE_DOT_VERSION == 0 \
+ && UNICODE_DOT_DOT_VERSION == 1
+# define DOTTED_I LATIN_CAPITAL_LETTER_I_WITH_DOT_ABOVE_UTF8
+
+ /* And special case this on this Unicode version only, for the same
+ * reaons the other two are special cased. They would cross the
+ * 255/256 boundary which is forbidden under /l, and so the code
+ * wouldn't catch that they are equivalent (which they are only in
+ * this release) */
+ else if (UTF8SKIP(p) == sizeof(DOTTED_I) - 1
+ && memEQ((char *) p, DOTTED_I, sizeof(DOTTED_I) - 1))
+ {
+ /* diag_listed_as: Can't do %s("%s") on non-UTF-8 locale; resolved to "%s". */
+ Perl_ck_warner(aTHX_ packWARN(WARN_LOCALE),
+ "Can't do fc(\"\\x{0130}\") on non-UTF-8 locale; "
+ "resolved to \"\\x{0131}\".");
+ goto return_dotless_i;
+ }
+#endif
+
return check_locale_boundary_crossing(p, result, ustrp, lenp);
}
else if (! (flags & FOLD_FLAGS_NOMIX_ASCII)) {
return result;
}
else {
- /* This is called when changing the case of a utf8-encoded
+ /* This is called when changing the case of a UTF-8-encoded
* character above the ASCII range, and the result should not
* contain an ASCII character. */
else if (original == LATIN_SMALL_LIGATURE_LONG_S_T) {
goto return_ligature_st;
}
+#if UNICODE_MAJOR_VERSION == 3 \
+ && UNICODE_DOT_VERSION == 0 \
+ && UNICODE_DOT_DOT_VERSION == 1
+
+ else if (original == LATIN_CAPITAL_LETTER_I_WITH_DOT_ABOVE) {
+ goto return_dotless_i;
+ }
+#endif
Copy(p, ustrp, *lenp, char);
return original;
}
}
}
- /* Here, used locale rules. Convert back to utf8 */
+ /* Here, used locale rules. Convert back to UTF-8 */
if (UTF8_IS_INVARIANT(result)) {
*ustrp = (U8) result;
*lenp = 1;
*lenp = sizeof(LATIN_SMALL_LIGATURE_ST_UTF8) - 1;
Copy(LATIN_SMALL_LIGATURE_ST_UTF8, ustrp, *lenp, U8);
return LATIN_SMALL_LIGATURE_ST;
+
+#if UNICODE_MAJOR_VERSION == 3 \
+ && UNICODE_DOT_VERSION == 0 \
+ && UNICODE_DOT_DOT_VERSION == 1
+
+ return_dotless_i:
+ *lenp = sizeof(LATIN_SMALL_LETTER_DOTLESS_I_UTF8) - 1;
+ Copy(LATIN_SMALL_LETTER_DOTLESS_I_UTF8, ustrp, *lenp, U8);
+ return LATIN_SMALL_LETTER_DOTLESS_I;
+
+#endif
+
}
/* Note:
if (PL_parser && PL_parser->error_count)
SAVEI8(PL_parser->error_count), PL_parser->error_count = 0;
method = gv_fetchmeth(stash, "SWASHNEW", 8, -1);
- if (!method) { /* demand load utf8 */
+ if (!method) { /* demand load UTF-8 */
ENTER;
if ((errsv_save = GvSV(PL_errgv))) SAVEFREESV(errsv_save);
GvSV(PL_errgv) = NULL;
/* Note:
* Returns the value of property/mapping C<swash> for the first character
* of the string C<ptr>. If C<do_utf8> is true, the string C<ptr> is
- * assumed to be in well-formed
utf8. If C<do_utf8> is false, the string C<ptr>
+ * assumed to be in well-formed
UTF-8. If C<do_utf8> is false, the string C<ptr>
* is assumed to be in native 8-bit encoding. Caches the swatch in C<swash>.
*
* A "swash" is a hash which contains initially the keys/values set up by
else if (UTF8_IS_DOWNGRADEABLE_START(c)) {
klen = 0;
needents = 256;
- off = TWO_BYTE_UTF8_TO_NATIVE(c, *(ptr + 1));
+ off = EIGHT_BIT_UTF8_TO_NATIVE(c, *(ptr + 1));
}
else {
klen = UTF8SKIP(ptr) - 1;
}
/*
- * This single-entry cache saves about 1/3 of the utf8 overhead in test
+ * This single-entry cache saves about 1/3 of the UTF-8 overhead in test
* suite. (That is, only 7-8% overall over just a hash cache. Still,
* it's nothing to sniff at.) Pity we usually come through at least
* two function calls to get here...
* 004C 006C
* 212A 006B
*
- * The returned hash would have two keys, the utf8 for 006B and the utf8 for
+ * The returned hash would have two keys, the UTF-8 for 006B and the UTF-8 for
* 006C. The value for each key is an array. For 006C, the array would
- * have two elements, the utf8 for itself, and for 004C. For 006B, there
- * would be three elements in its array, the utf8 for 006B, 004B and 212A.
+ * have two elements, the UTF-8 for itself, and for 004C. For 006B, there
+ * would be three elements in its array, the UTF-8 for 006B, 004B and 212A.
*
* Note that there are no elements in the hash for 004B, 004C, 212A. The
* keys are only code points that are folded-to, so it isn't a full closure.
*
* The specials hash can be extra code points, and most likely consists of
* maps from single code points to multiple ones (each expressed as a string
- * of utf8 characters). This function currently returns only 1-1 mappings.
+ * of UTF-8 characters). This function currently returns only 1-1 mappings.
* However consider this possible input in the specials hash:
* "\xEF\xAC\x85" => "\x{0073}\x{0074}", # U+FB05 => 0073 0074
* "\xEF\xAC\x86" => "\x{0073}\x{0074}", # U+FB06 => 0073 0074
* currently handle. But it also means that FB05 and FB06 are equivalent in
* a 1-1 mapping which we should handle, and this relationship may not be in
* the main table. Therefore this function examines all the multi-char
- * sequences and adds the 1-1 mappings that come out of that. */
+ * sequences and adds the 1-1 mappings that come out of that.
+ *
+ * XXX This function was originally intended to be multipurpose, but its
+ * only use is quite likely to remain for constructing the inversion of
+ * the CaseFolding (//i) property. If it were more general purpose for
+ * regex patterns, it would have to do the FB05/FB06 game for simple folds,
+ * because certain folds are prohibited under /iaa and /il. As an example,
+ * in Unicode 3.0.1 both U+0130 and U+0131 fold to 'i', and hence are both
+ * equivalent under /i. But under /iaa and /il, the folds to 'i' are
+ * prohibited, so we would not figure out that they fold to each other.
+ * Code could be written to automatically figure this out, similar to the
+ * code that does this for multi-character folds, but this is the only case
+ * where something like this is ever likely to happen, as all the single
+ * char folds to The 0-255 range are now quite settled. Instead there is a
+ * little special code that is compiled only for this Unicode version. This
+ * is smaller and didn't require much coding time to do. But this makes
+ * this routine strongly tied to being used just for CaseFolding. If ever
+ * it should be generalized, this would have to be fixed */
U8 *l, *lend;
STRLEN lcur;
hv_iterinit(specials_hv);
- /* The keys are the characters (in utf8) that map to the corresponding
- * utf8 string value. Iterate through the list creating the inverse
+ /* The keys are the characters (in UTF-8) that map to the corresponding
+ * UTF-8 string value. Iterate through the list creating the inverse
* list. */
while ((sv_to = hv_iternextsv(specials_hv, &char_from, &from_len))) {
SV** listp;
/*DEBUG_U(PerlIO_printf(Perl_debug_log, "Found mapping from %"UVXf", First char of to is %"UVXf"\n", valid_utf8_to_uvchr((U8*) char_from, 0), valid_utf8_to_uvchr((U8*) SvPVX(sv_to), 0)));*/
/* Each key in the inverse list is a mapped-to value, and the key's
- * hash value is a list of the strings (each in utf8) that map to
+ * hash value is a list of the strings (each in UTF-8) that map to
* it. Those strings are all one character long */
if ((listp = hv_fetch(specials_inverse,
SvPVX(sv_to),
} /* End of specials */
/* read $swash->{LIST} */
+
+#if UNICODE_MAJOR_VERSION == 3 \
+ && UNICODE_DOT_VERSION == 0 \
+ && UNICODE_DOT_DOT_VERSION == 1
+
+ /* For this version only U+130 and U+131 are equivalent under qr//i. Add a
+ * rule so that things work under /iaa and /il */
+
+ SV * mod_listsv = sv_mortalcopy(*listsvp);
+ sv_catpv(mod_listsv, "130\t130\t131\n");
+ l = (U8*)SvPV(mod_listsv, lcur);
+
+#else
+
l = (U8*)SvPV(*listsvp, lcur);
+
+#endif
+
lend = l + lcur;
/* Go through each input line */
"%s in %s", unees, PL_op ? OP_DESC(PL_op) : "print");
return FALSE;
}
- if (UNLIKELY(*s >= UTF8_FIRST_PROBLEMATIC_CODE_POINT_FIRST_BYTE)) {
+ if (UNLIKELY(isUTF8_POSSIBLY_PROBLEMATIC(*s))) {
STRLEN char_len;
- if (UTF8_IS_SUPER(s)) {
+ if (UTF8_IS_SUPER(s, e)) {
if (ckWARN_d(WARN_NON_UNICODE)) {
UV uv = utf8_to_uvchr_buf(s, e, &char_len);
Perl_warner(aTHX_ packWARN(WARN_NON_UNICODE),
ok = FALSE;
}
}
- else if (UTF8_IS_SURROGATE(s)) {
+ else if (UTF8_IS_SURROGATE(s, e)) {
if (ckWARN_d(WARN_SURROGATE)) {
UV uv = utf8_to_uvchr_buf(s, e, &char_len);
Perl_warner(aTHX_ packWARN(WARN_SURROGATE),
ok = FALSE;
}
}
- else if
- ((UTF8_IS_NONCHAR_GIVEN_THAT_NON_SUPER_AND_GE_PROBLEMATIC(s))
- && (ckWARN_d(WARN_NONCHAR)))
- {
+ else if ((UTF8_IS_NONCHAR(s, e)) && (ckWARN_d(WARN_NONCHAR))) {
UV uv = utf8_to_uvchr_buf(s, e, &char_len);
Perl_warner(aTHX_ packWARN(WARN_NONCHAR),
"Unicode non-character U+%04"UVXf" is not recommended for open interchange", uv);
Build to the scalar C<dsv> a displayable version of the string C<spv>,
length C<len>, the displayable version being at most C<pvlim> bytes long
-(if longer, the rest is truncated and "..." will be appended).
+(if longer, the rest is truncated and C<"..."> will be appended).
-The C<flags> argument can have UNI_DISPLAY_ISPRINT set to display
-isPRINT()able characters as themselves, UNI_DISPLAY_BACKSLASH
-to display the \\[nrfta\\] as the backslashed versions (like '\n')
-(UNI_DISPLAY_BACKSLASH is preferred over UNI_DISPLAY_ISPRINT for \\).
-UNI_DISPLAY_QQ (and its alias UNI_DISPLAY_REGEX) have both
-UNI_DISPLAY_BACKSLASH and UNI_DISPLAY_ISPRINT turned on.
+The C<flags> argument can have C<UNI_DISPLAY_ISPRINT> set to display
+C<isPRINT()>able characters as themselves, C<UNI_DISPLAY_BACKSLASH>
+to display the C<\\[nrfta\\]> as the backslashed versions (like C<"\n">)
+(C<UNI_DISPLAY_BACKSLASH> is preferred over C<UNI_DISPLAY_ISPRINT> for C<"\\">).
+C<UNI_DISPLAY_QQ> (and its alias C<UNI_DISPLAY_REGEX>) have both
+C<UNI_DISPLAY_BACKSLASH> and C<UNI_DISPLAY_ISPRINT> turned on.
The pointer to the PV of the C<dsv> is returned.
scanning won't continue past that goal. Correspondingly for C<l2> with respect to
C<s2>.
-If C<pe1> is non-NULL and the pointer it points to is not NULL, that pointer is
+If C<pe1> is non-C<NULL> and the pointer it points to is not C<NULL>, that pointer is
considered an end pointer to the position 1 byte past the maximum point
in C<s1> beyond which scanning will not continue under any circumstances.
(This routine assumes that UTF-8 encoded input strings are not malformed;
characters, all of them must be matched (see tr21 reference below for
'folding').
-Upon a successful match, if C<pe1> is non-NULL,
+Upon a successful match, if C<pe1> is non-C<NULL>,
it will be set to point to the beginning of the I<next> character of C<s1>
beyond what was matched. Correspondingly for C<pe2> and C<s2>.
else if (u1) {
_to_utf8_fold_flags(p1, foldbuf1, &n1, flags_for_folder);
}
- else { /* Not utf8, get utf8 fold */
+ else { /* Not UTF-8, get UTF-8 fold */
_to_uni_fold_flags(*p1, foldbuf1, &n1, flags_for_folder);
}
f1 = foldbuf1;
/* Here f1 and f2 point to the beginning of the strings to compare.
* These strings are the folds of the next character from each input
- * string, stored in utf8. */
+ * string, stored in UTF-8. */
/* While there is more to look for in both folds, see if they
* continue to match */
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