/*
=for apidoc uvuni_to_utf8_flags
-Adds the UTF-8 representation of the code point C<uv> to the end
+Adds the UTF-8 representation of the Unicode code point C<uv> to the end
of the string C<d>; C<d> should have at least C<UTF8_MAXBYTES+1> free
bytes available. The return value is the pointer to the byte after the
end of the new character. In other words,
*(d++) = uv;
+where uv is a code point expressed in Latin-1 or above, not the platform's
+native character set. B<Almost all code should instead use L</uvchr_to_utf8>
+or L</uvchr_to_utf8_flags>>.
+
This function will convert to UTF-8 (and not warn) even code points that aren't
legal Unicode or are problematic, unless C<flags> contains one or more of the
following flags:
If both flags are set, the function will both warn and return NULL.
The UNICODE_WARN_NONCHAR and UNICODE_DISALLOW_NONCHAR flags correspondingly
-affect how the function handles a Unicode non-character. And, likewise for the
-UNICODE_WARN_SUPER and UNICODE_DISALLOW_SUPER flags, and code points that are
+affect how the function handles a Unicode non-character. And likewise, the
+UNICODE_WARN_SUPER and 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
return d;
}
#endif
-#endif /* Loop style */
+#endif /* Non loop style */
}
/*
you should use the _slow(). In practice this means that the _slow()
will be used very rarely, since the maximum Unicode code point (as of
Unicode 4.1) is U+10FFFF, which encodes in UTF-8 to four bytes. Only
-the "Perl extended UTF-8" (the infamous 'v-strings') will encode into
+the "Perl extended UTF-8" (e.g, the infamous 'v-strings') will encode into
five bytes or more.
=cut */
/*
=for apidoc is_utf8_char
-DEPRECATED!
-
Tests if some arbitrary number of bytes begins in a valid UTF-8
character. Note that an INVARIANT (i.e. ASCII on non-EBCDIC machines)
character is a valid UTF-8 character. The actual number of bytes in the UTF-8
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 (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 the
-next possible position in C<s> that could begin a non-malformed character.
-See L</utf8n_to_uvuni> for details on when the REPLACEMENT CHARACTER is returned.
+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
+the next possible position in C<s> that could begin a non-malformed character.
+See L</utf8n_to_uvuni> for details on when the REPLACEMENT CHARACTER is
+returned.
=cut
*/
/*
=for apidoc utf8_to_uvchr
-DEPRECATED!
-
Returns the native code point of the first character in the string C<s>
which is assumed to be in UTF-8 encoding; C<retlen> will be set to the
length, in bytes, of that character.
/*
=for apidoc utf8_to_uvuni
-DEPRECATED!
-
Returns the Unicode code point of the first character in the string C<s>
which is assumed to be in UTF-8 encoding; C<retlen> will be set to the
length, in bytes, of that character.
*d++ = (U8)(( uv & 0x3f) | 0x80);
continue;
}
- if (uv >= 0xd800 && uv <= 0xdbff) { /* surrogates */
+#define FIRST_HIGH_SURROGATE UNICODE_SURROGATE_FIRST
+#define LAST_HIGH_SURROGATE 0xDBFF
+#define FIRST_LOW_SURROGATE 0xDC00
+#define LAST_LOW_SURROGATE UNICODE_SURROGATE_LAST
+ if (uv >= FIRST_HIGH_SURROGATE && uv <= LAST_HIGH_SURROGATE) {
if (p >= pend) {
Perl_croak(aTHX_ "Malformed UTF-16 surrogate");
} else {
UV low = (p[0] << 8) + p[1];
p += 2;
- if (low < 0xdc00 || low > 0xdfff)
+ if (low < FIRST_LOW_SURROGATE || low > LAST_LOW_SURROGATE)
Perl_croak(aTHX_ "Malformed UTF-16 surrogate");
- uv = ((uv - 0xd800) << 10) + (low - 0xdc00) + 0x10000;
+ uv = ((uv - FIRST_HIGH_SURROGATE) << 10)
+ + (low - FIRST_LOW_SURROGATE) + 0x10000;
}
- } else if (uv >= 0xdc00 && uv <= 0xdfff) {
+ } else if (uv >= FIRST_LOW_SURROGATE && uv <= LAST_LOW_SURROGATE) {
Perl_croak(aTHX_ "Malformed UTF-16 surrogate");
}
if (uv < 0x10000) {
return utf16_to_utf8(p, d, bytelen, newlen);
}
+bool
+Perl__is_uni_FOO(pTHX_ const U8 classnum, const UV c)
+{
+ U8 tmpbuf[UTF8_MAXBYTES+1];
+ uvchr_to_utf8(tmpbuf, c);
+ return _is_utf8_FOO(classnum, tmpbuf);
+}
+
/* for now these are all defined (inefficiently) in terms of the utf8 versions.
* Note that the macros in handy.h that call these short-circuit calling them
* for Latin-1 range inputs */
{
U8 tmpbuf[UTF8_MAXBYTES+1];
uvchr_to_utf8(tmpbuf, c);
- return is_utf8_alnum(tmpbuf);
+ return _is_utf8_FOO(_CC_WORDCHAR, tmpbuf);
}
bool
{
U8 tmpbuf[UTF8_MAXBYTES+1];
uvchr_to_utf8(tmpbuf, c);
- return is_utf8_alnumc(tmpbuf);
+ return _is_utf8_FOO(_CC_ALPHANUMERIC, tmpbuf);
}
-bool /* Internal function so we can deprecate the external one, and call
- this one from other deprecated functions in this file */
+/* Internal function so we can deprecate the external one, and call
+ this one from other deprecated functions in this file */
+
+PERL_STATIC_INLINE bool
S_is_utf8_idfirst(pTHX_ const U8 *p)
{
dVAR;
}
bool
+Perl__is_uni_perl_idcont(pTHX_ UV c)
+{
+ U8 tmpbuf[UTF8_MAXBYTES+1];
+ uvchr_to_utf8(tmpbuf, c);
+ return _is_utf8_perl_idcont(tmpbuf);
+}
+
+bool
Perl__is_uni_perl_idstart(pTHX_ UV c)
{
U8 tmpbuf[UTF8_MAXBYTES+1];
{
U8 tmpbuf[UTF8_MAXBYTES+1];
uvchr_to_utf8(tmpbuf, c);
- return is_utf8_alpha(tmpbuf);
+ return _is_utf8_FOO(_CC_ALPHA, tmpbuf);
}
bool
{
U8 tmpbuf[UTF8_MAXBYTES+1];
uvchr_to_utf8(tmpbuf, c);
- return is_utf8_digit(tmpbuf);
+ return _is_utf8_FOO(_CC_DIGIT, tmpbuf);
}
bool
{
U8 tmpbuf[UTF8_MAXBYTES+1];
uvchr_to_utf8(tmpbuf, c);
- return is_utf8_upper(tmpbuf);
+ return _is_utf8_FOO(_CC_UPPER, tmpbuf);
}
bool
{
U8 tmpbuf[UTF8_MAXBYTES+1];
uvchr_to_utf8(tmpbuf, c);
- return is_utf8_lower(tmpbuf);
+ return _is_utf8_FOO(_CC_LOWER, tmpbuf);
}
bool
{
U8 tmpbuf[UTF8_MAXBYTES+1];
uvchr_to_utf8(tmpbuf, c);
- return is_utf8_graph(tmpbuf);
+ return _is_utf8_FOO(_CC_GRAPH, tmpbuf);
}
bool
{
U8 tmpbuf[UTF8_MAXBYTES+1];
uvchr_to_utf8(tmpbuf, c);
- return is_utf8_print(tmpbuf);
+ return _is_utf8_FOO(_CC_PRINT, tmpbuf);
}
bool
{
U8 tmpbuf[UTF8_MAXBYTES+1];
uvchr_to_utf8(tmpbuf, c);
- return is_utf8_punct(tmpbuf);
+ return _is_utf8_FOO(_CC_PUNCT, tmpbuf);
}
bool
if (c < 256) {
return isALNUM_LC(UNI_TO_NATIVE(c));
}
- return is_uni_alnum(c);
+ return _is_uni_FOO(_CC_WORDCHAR, c);
}
bool
Perl_is_uni_alnumc_lc(pTHX_ UV c)
{
if (c < 256) {
- return isALNUMC_LC(UNI_TO_NATIVE(c));
+ return isALPHANUMERIC_LC(UNI_TO_NATIVE(c));
}
- return is_uni_alnumc(c);
+ return _is_uni_FOO(_CC_ALPHANUMERIC, c);
}
bool
if (c < 256) {
return isALPHA_LC(UNI_TO_NATIVE(c));
}
- return is_uni_alpha(c);
+ return _is_uni_FOO(_CC_ALPHA, c);
}
bool
if (c < 256) {
return isDIGIT_LC(UNI_TO_NATIVE(c));
}
- return is_uni_digit(c);
+ return _is_uni_FOO(_CC_DIGIT, c);
}
bool
if (c < 256) {
return isUPPER_LC(UNI_TO_NATIVE(c));
}
- return is_uni_upper(c);
+ return _is_uni_FOO(_CC_UPPER, c);
}
bool
if (c < 256) {
return isLOWER_LC(UNI_TO_NATIVE(c));
}
- return is_uni_lower(c);
+ return _is_uni_FOO(_CC_LOWER, c);
}
bool
if (c < 256) {
return isGRAPH_LC(UNI_TO_NATIVE(c));
}
- return is_uni_graph(c);
+ return _is_uni_FOO(_CC_GRAPH, c);
}
bool
if (c < 256) {
return isPRINT_LC(UNI_TO_NATIVE(c));
}
- return is_uni_print(c);
+ return _is_uni_FOO(_CC_PRINT, c);
}
bool
if (c < 256) {
return isPUNCT_LC(UNI_TO_NATIVE(c));
}
- return is_uni_punct(c);
+ return _is_uni_FOO(_CC_PUNCT, c);
}
bool
PERL_ARGS_ASSERT_IS_UTF8_COMMON;
/* The API should have included a length for the UTF-8 character in <p>,
- * but it doesn't. We therefor assume that p has been validated at least
+ * but it doesn't. We therefore assume that p has been validated at least
* as far as there being enough bytes available in it to accommodate the
* character without reading beyond the end, and pass that number on to the
* validating routine */
- if (!is_utf8_char_buf(p, p + UTF8SKIP(p)))
- return FALSE;
+ if (! is_utf8_char_buf(p, p + UTF8SKIP(p))) {
+ if (ckWARN_d(WARN_UTF8)) {
+ Perl_warner(aTHX_ packWARN2(WARN_DEPRECATED,WARN_UTF8),
+ "Passing malformed UTF-8 to \"%s\" is deprecated", swashname);
+ if (ckWARN(WARN_UTF8)) { /* This will output details as to the
+ what the malformation is */
+ utf8_to_uvchr_buf(p, p + UTF8SKIP(p), NULL);
+ }
+ }
+ return FALSE;
+ }
if (!*swash) {
U8 flags = _CORE_SWASH_INIT_ACCEPT_INVLIST;
*swash = _core_swash_init("utf8", swashname, &PL_sv_undef, 1, 0, NULL, &flags);
}
+
return swash_fetch(*swash, p, TRUE) != 0;
}
bool
+Perl__is_utf8_FOO(pTHX_ const U8 classnum, const U8 *p)
+{
+ dVAR;
+
+ PERL_ARGS_ASSERT__IS_UTF8_FOO;
+
+ assert(classnum < _FIRST_NON_SWASH_CC);
+
+ return is_utf8_common(p, &PL_utf8_swash_ptrs[classnum], swash_property_names[classnum]);
+}
+
+bool
Perl_is_utf8_alnum(pTHX_ const U8 *p)
{
dVAR;
/* NOTE: "IsWord", not "IsAlnum", since Alnum is a true
* descendant of isalnum(3), in other words, it doesn't
* contain the '_'. --jhi */
- return is_utf8_common(p, &PL_utf8_alnum, "IsWord");
+ return is_utf8_common(p, &PL_utf8_swash_ptrs[_CC_WORDCHAR], "IsWord");
}
bool
PERL_ARGS_ASSERT_IS_UTF8_ALNUMC;
- return is_utf8_common(p, &PL_utf8_alnumc, "IsAlnum");
+ return is_utf8_common(p, &PL_utf8_swash_ptrs[_CC_ALPHANUMERIC], "IsAlnum");
}
bool
}
bool
+Perl__is_utf8_perl_idcont(pTHX_ const U8 *p)
+{
+ dVAR;
+
+ PERL_ARGS_ASSERT__IS_UTF8_PERL_IDCONT;
+
+ return is_utf8_common(p, &PL_utf8_perl_idcont, "_Perl_IDCont");
+}
+
+
+bool
Perl_is_utf8_idcont(pTHX_ const U8 *p)
{
dVAR;
PERL_ARGS_ASSERT_IS_UTF8_ALPHA;
- return is_utf8_common(p, &PL_utf8_alpha, "IsAlpha");
+ return is_utf8_common(p, &PL_utf8_swash_ptrs[_CC_ALPHA], "IsAlpha");
}
bool
PERL_ARGS_ASSERT_IS_UTF8_DIGIT;
- return is_utf8_common(p, &PL_utf8_digit, "IsDigit");
+ return is_utf8_common(p, &PL_utf8_swash_ptrs[_CC_DIGIT], "IsDigit");
}
bool
PERL_ARGS_ASSERT_IS_UTF8_UPPER;
- return is_utf8_common(p, &PL_utf8_upper, "IsUppercase");
+ return is_utf8_common(p, &PL_utf8_swash_ptrs[_CC_UPPER], "IsUppercase");
}
bool
PERL_ARGS_ASSERT_IS_UTF8_LOWER;
- return is_utf8_common(p, &PL_utf8_lower, "IsLowercase");
+ return is_utf8_common(p, &PL_utf8_swash_ptrs[_CC_LOWER], "IsLowercase");
}
bool
PERL_ARGS_ASSERT_IS_UTF8_GRAPH;
- return is_utf8_common(p, &PL_utf8_graph, "IsGraph");
+ return is_utf8_common(p, &PL_utf8_swash_ptrs[_CC_GRAPH], "IsGraph");
}
bool
PERL_ARGS_ASSERT_IS_UTF8_PRINT;
- return is_utf8_common(p, &PL_utf8_print, "IsPrint");
+ return is_utf8_common(p, &PL_utf8_swash_ptrs[_CC_PRINT], "IsPrint");
}
bool
PERL_ARGS_ASSERT_IS_UTF8_PUNCT;
- return is_utf8_common(p, &PL_utf8_punct, "IsPunct");
+ return is_utf8_common(p, &PL_utf8_swash_ptrs[_CC_PUNCT], "IsPunct");
}
bool
}
bool
-Perl_is_utf8_mark(pTHX_ const U8 *p)
+Perl__is_utf8_mark(pTHX_ const U8 *p)
{
dVAR;
- PERL_ARGS_ASSERT_IS_UTF8_MARK;
+ PERL_ARGS_ASSERT__IS_UTF8_MARK;
return is_utf8_common(p, &PL_utf8_mark, "IsM");
}
-bool
-Perl_is_utf8_X_regular_begin(pTHX_ const U8 *p)
-{
- dVAR;
-
- PERL_ARGS_ASSERT_IS_UTF8_X_REGULAR_BEGIN;
-
- return is_utf8_common(p, &PL_utf8_X_regular_begin, "_X_Regular_Begin");
-}
bool
-Perl_is_utf8_X_extend(pTHX_ const U8 *p)
+Perl_is_utf8_mark(pTHX_ const U8 *p)
{
dVAR;
- PERL_ARGS_ASSERT_IS_UTF8_X_EXTEND;
+ PERL_ARGS_ASSERT_IS_UTF8_MARK;
- return is_utf8_common(p, &PL_utf8_X_extend, "_X_Extend");
+ return _is_utf8_mark(p);
}
/*
/*
=for apidoc to_utf8_upper
-Convert the UTF-8 encoded character at C<p> to its uppercase version and
-store that in UTF-8 in C<ustrp> and its length in bytes in C<lenp>. Note
-that the ustrp needs to be at least UTF8_MAXBYTES_CASE+1 bytes since
-the uppercase version may be longer than the original character.
-
-The first character of the uppercased version is returned
-(but note, as explained above, that there may be more.)
-
-The character at C<p> is assumed by this routine to be well-formed.
+Instead use L</toUPPER_utf8>.
=cut */
/*
=for apidoc to_utf8_title
-Convert the UTF-8 encoded character at C<p> to its titlecase version and
-store that in UTF-8 in C<ustrp> and its length in bytes in C<lenp>. Note
-that the C<ustrp> needs to be at least UTF8_MAXBYTES_CASE+1 bytes since the
-titlecase version may be longer than the original character.
-
-The first character of the titlecased version is returned
-(but note, as explained above, that there may be more.)
-
-The character at C<p> is assumed by this routine to be well-formed.
+Instead use L</toTITLE_utf8>.
=cut */
/*
=for apidoc to_utf8_lower
-Convert the UTF-8 encoded character at C<p> to its lowercase version and
-store that in UTF-8 in ustrp and its length in bytes in C<lenp>. Note
-that the C<ustrp> needs to be at least UTF8_MAXBYTES_CASE+1 bytes since the
-lowercase version may be longer than the original character.
-
-The first character of the lowercased version is returned
-(but note, as explained above, that there may be more.)
-
-The character at C<p> is assumed by this routine to be well-formed.
+Instead use L</toLOWER_utf8>.
=cut */
/*
=for apidoc to_utf8_fold
-Convert the UTF-8 encoded character at C<p> to its foldcase version and
-store that in UTF-8 in C<ustrp> and its length in bytes in C<lenp>. Note
-that the C<ustrp> needs to be at least UTF8_MAXBYTES_CASE+1 bytes since the
-foldcase version may be longer than the original character (up to
-three characters).
-
-The first character of the foldcased version is returned
-(but note, as explained above, that there may be more.)
-
-The character at C<p> is assumed by this routine to be well-formed.
+Instead use L</toFOLD_utf8>.
=cut */
if (UTF8_IS_INVARIANT(*p)) {
if (flags & FOLD_FLAGS_LOCALE) {
- result = toLOWER_LC(*p);
+ result = toFOLD_LC(*p);
}
else {
return _to_fold_latin1(*p, ustrp, lenp,
}
else if UTF8_IS_DOWNGRADEABLE_START(*p) {
if (flags & FOLD_FLAGS_LOCALE) {
- result = toLOWER_LC(TWO_BYTE_UTF8_TO_UNI(*p, *(p+1)));
+ result = toFOLD_LC(TWO_BYTE_UTF8_TO_UNI(*p, *(p+1)));
}
else {
return _to_fold_latin1(TWO_BYTE_UTF8_TO_UNI(*p, *(p+1)),
* So the key in the hash (klen) is length of encoded char -1
*/
klen = UTF8SKIP(ptr) - 1;
- off = ptr[klen];
if (klen == 0) {
/* If char is invariant then swatch is for all the invariant chars
Perl__swash_to_invlist(pTHX_ SV* const swash)
{
- /* Subject to change or removal. For use only in one place in regcomp.c */
+ /* Subject to change or removal. For use only in one place in regcomp.c.
+ * Ownership is given to one reference count in the returned SV* */
U8 *l, *lend;
char *loc;
/* If not a hash, it must be the swash's inversion list instead */
if (SvTYPE(hv) != SVt_PVHV) {
- return (SV*) hv;
+ return SvREFCNT_inc_simple_NN((SV*) hv);
}
/* The string containing the main body of the table */
char *
Perl_sv_uni_display(pTHX_ SV *dsv, SV *ssv, STRLEN pvlim, UV flags)
{
+ const char * const ptr =
+ isREGEXP(ssv) ? RX_WRAPPED((REGEXP*)ssv) : SvPVX_const(ssv);
+
PERL_ARGS_ASSERT_SV_UNI_DISPLAY;
- return Perl_pv_uni_display(aTHX_ dsv, (const U8*)SvPVX_const(ssv),
+ return Perl_pv_uni_display(aTHX_ dsv, (const U8*)ptr,
SvCUR(ssv), pvlim, flags);
}
return 0;
}
n1 = 1;
- *foldbuf1 = toLOWER(*p1); /* Folds in the ASCII range are
- just lowercased */
+ *foldbuf1 = toFOLD(*p1);
}
else if (u1) {
to_utf8_fold(p1, foldbuf1, &n1);
return 0;
}
n2 = 1;
- *foldbuf2 = toLOWER(*p2);
+ *foldbuf2 = toFOLD(*p2);
}
else if (u2) {
to_utf8_fold(p2, foldbuf2, &n2);
https://perl5.git.perl.org / perl5.git / blobdiff