*d++ = UTF_TO_NATIVE(uv);
return d;
}
-#if defined(EBCDIC) || 1 /* always for testing */
+#if defined(EBCDIC)
else {
STRLEN len = UNISKIP(uv);
U8 *p = d+len-1;
slen = len - 1;
s++;
- /* The initial value is dubious */
+ u &= UTF_START_MASK(len);
uv = u;
ouv = uv;
while (slen--) {
if (!UTF8_IS_CONTINUATION(*s))
return 0;
uv = UTF8_ACCUMULATE(uv, *s);
-#if 0
- /* Depending on the compiler the wrap of the value takig pladve
- * between 5 and 6 bytes of UTF-8 encoding either works or not.
- * See similar spot in utf8_to_uvuni(). --jhi */
if (uv < ouv)
return 0;
-#endif
ouv = uv;
s++;
}
UV
Perl_utf8n_to_uvuni(pTHX_ U8 *s, STRLEN curlen, STRLEN *retlen, U32 flags)
{
- UV uv = *s, ouv;
+ UV uv = *s, ouv = 0;
STRLEN len = 1;
bool dowarn = ckWARN_d(WARN_UTF8);
STRLEN expectlen = 0;
}
}
else { /* uv < ouv */
-#if 0
- /* Depending on the compiler the wrap of the value takig pladve
- * between 5 and 6 bytes of UTF-8 encoding either works or not.
- * See similar spot in is_utf8_char(). --jhi */
/* This cannot be allowed. */
warning = UTF8_WARN_OVERFLOW;
goto malformed;
-#endif
}
}
s++;
case UTF8_WARN_SHORT:
Perl_sv_catpvf(aTHX_ sv, "(%d byte%s, need %d)",
curlen, curlen == 1 ? "" : "s", expectlen);
+ expectlen = curlen; /* distance for caller to skip */
break;
case UTF8_WARN_OVERFLOW:
Perl_sv_catpvf(aTHX_ sv, "(overflow at 0x%"UVxf", byte 0x%02x)",
if (PL_op)
Perl_warner(aTHX_ WARN_UTF8,
- "%s in %s", s, PL_op_desc[PL_op->op_type]);
+ "%s in %s", s, OP_DESC(PL_op));
else
Perl_warner(aTHX_ WARN_UTF8, "%s", s);
}
U8 t = UTF8SKIP(s);
if (e - s < t)
- Perl_croak(aTHX_ "panic: utf8_length: s=%p (%02X) e=%p l=%d - unaligned end",s,*s,e,t);
+ Perl_croak(aTHX_ "panic: utf8_length: unaligned end");
s += t;
len++;
}
/* for now these are all defined (inefficiently) in terms of the utf8 versions */
bool
-Perl_is_uni_alnum(pTHX_ U32 c)
+Perl_is_uni_alnum(pTHX_ UV c)
{
U8 tmpbuf[UTF8_MAXLEN+1];
uvchr_to_utf8(tmpbuf, (UV)c);
}
bool
-Perl_is_uni_alnumc(pTHX_ U32 c)
+Perl_is_uni_alnumc(pTHX_ UV c)
{
U8 tmpbuf[UTF8_MAXLEN+1];
uvchr_to_utf8(tmpbuf, (UV)c);
}
bool
-Perl_is_uni_idfirst(pTHX_ U32 c)
+Perl_is_uni_idfirst(pTHX_ UV c)
{
U8 tmpbuf[UTF8_MAXLEN+1];
uvchr_to_utf8(tmpbuf, (UV)c);
}
bool
-Perl_is_uni_alpha(pTHX_ U32 c)
+Perl_is_uni_alpha(pTHX_ UV c)
{
U8 tmpbuf[UTF8_MAXLEN+1];
uvchr_to_utf8(tmpbuf, (UV)c);
}
bool
-Perl_is_uni_ascii(pTHX_ U32 c)
+Perl_is_uni_ascii(pTHX_ UV c)
{
U8 tmpbuf[UTF8_MAXLEN+1];
uvchr_to_utf8(tmpbuf, (UV)c);
}
bool
-Perl_is_uni_space(pTHX_ U32 c)
+Perl_is_uni_space(pTHX_ UV c)
{
U8 tmpbuf[UTF8_MAXLEN+1];
uvchr_to_utf8(tmpbuf, (UV)c);
}
bool
-Perl_is_uni_digit(pTHX_ U32 c)
+Perl_is_uni_digit(pTHX_ UV c)
{
U8 tmpbuf[UTF8_MAXLEN+1];
uvchr_to_utf8(tmpbuf, (UV)c);
}
bool
-Perl_is_uni_upper(pTHX_ U32 c)
+Perl_is_uni_upper(pTHX_ UV c)
{
U8 tmpbuf[UTF8_MAXLEN+1];
uvchr_to_utf8(tmpbuf, (UV)c);
}
bool
-Perl_is_uni_lower(pTHX_ U32 c)
+Perl_is_uni_lower(pTHX_ UV c)
{
U8 tmpbuf[UTF8_MAXLEN+1];
uvchr_to_utf8(tmpbuf, (UV)c);
}
bool
-Perl_is_uni_cntrl(pTHX_ U32 c)
+Perl_is_uni_cntrl(pTHX_ UV c)
{
U8 tmpbuf[UTF8_MAXLEN+1];
uvchr_to_utf8(tmpbuf, (UV)c);
}
bool
-Perl_is_uni_graph(pTHX_ U32 c)
+Perl_is_uni_graph(pTHX_ UV c)
{
U8 tmpbuf[UTF8_MAXLEN+1];
uvchr_to_utf8(tmpbuf, (UV)c);
}
bool
-Perl_is_uni_print(pTHX_ U32 c)
+Perl_is_uni_print(pTHX_ UV c)
{
U8 tmpbuf[UTF8_MAXLEN+1];
uvchr_to_utf8(tmpbuf, (UV)c);
}
bool
-Perl_is_uni_punct(pTHX_ U32 c)
+Perl_is_uni_punct(pTHX_ UV c)
{
U8 tmpbuf[UTF8_MAXLEN+1];
uvchr_to_utf8(tmpbuf, (UV)c);
}
bool
-Perl_is_uni_xdigit(pTHX_ U32 c)
+Perl_is_uni_xdigit(pTHX_ UV c)
{
- U8 tmpbuf[UTF8_MAXLEN+1];
+ U8 tmpbuf[UTF8_MAXLEN*2+1];
uvchr_to_utf8(tmpbuf, (UV)c);
return is_utf8_xdigit(tmpbuf);
}
-U32
-Perl_to_uni_upper(pTHX_ U32 c)
+UV
+Perl_to_uni_upper(pTHX_ UV c, U8* p, STRLEN *lenp)
{
- U8 tmpbuf[UTF8_MAXLEN+1];
+ U8 tmpbuf[UTF8_MAXLEN*2+1];
+ uvchr_to_utf8(tmpbuf, (UV)c);
+ return to_utf8_upper(tmpbuf, p, lenp);
+}
+
+UV
+Perl_to_uni_title(pTHX_ UV c, U8* p, STRLEN *lenp)
+{
+ U8 tmpbuf[UTF8_MAXLEN*2+1];
uvchr_to_utf8(tmpbuf, (UV)c);
- return to_utf8_upper(tmpbuf);
+ return to_utf8_title(tmpbuf, p, lenp);
}
-U32
-Perl_to_uni_title(pTHX_ U32 c)
+UV
+Perl_to_uni_lower(pTHX_ UV c, U8* p, STRLEN *lenp)
{
U8 tmpbuf[UTF8_MAXLEN+1];
uvchr_to_utf8(tmpbuf, (UV)c);
- return to_utf8_title(tmpbuf);
+ return to_utf8_lower(tmpbuf, p, lenp);
}
-U32
-Perl_to_uni_lower(pTHX_ U32 c)
+UV
+Perl_to_uni_fold(pTHX_ UV c, U8* p, STRLEN *lenp)
{
U8 tmpbuf[UTF8_MAXLEN+1];
uvchr_to_utf8(tmpbuf, (UV)c);
- return to_utf8_lower(tmpbuf);
+ return to_utf8_fold(tmpbuf, p, lenp);
}
/* for now these all assume no locale info available for Unicode > 255 */
bool
-Perl_is_uni_alnum_lc(pTHX_ U32 c)
+Perl_is_uni_alnum_lc(pTHX_ UV c)
{
return is_uni_alnum(c); /* XXX no locale support yet */
}
bool
-Perl_is_uni_alnumc_lc(pTHX_ U32 c)
+Perl_is_uni_alnumc_lc(pTHX_ UV c)
{
return is_uni_alnumc(c); /* XXX no locale support yet */
}
bool
-Perl_is_uni_idfirst_lc(pTHX_ U32 c)
+Perl_is_uni_idfirst_lc(pTHX_ UV c)
{
return is_uni_idfirst(c); /* XXX no locale support yet */
}
bool
-Perl_is_uni_alpha_lc(pTHX_ U32 c)
+Perl_is_uni_alpha_lc(pTHX_ UV c)
{
return is_uni_alpha(c); /* XXX no locale support yet */
}
bool
-Perl_is_uni_ascii_lc(pTHX_ U32 c)
+Perl_is_uni_ascii_lc(pTHX_ UV c)
{
return is_uni_ascii(c); /* XXX no locale support yet */
}
bool
-Perl_is_uni_space_lc(pTHX_ U32 c)
+Perl_is_uni_space_lc(pTHX_ UV c)
{
return is_uni_space(c); /* XXX no locale support yet */
}
bool
-Perl_is_uni_digit_lc(pTHX_ U32 c)
+Perl_is_uni_digit_lc(pTHX_ UV c)
{
return is_uni_digit(c); /* XXX no locale support yet */
}
bool
-Perl_is_uni_upper_lc(pTHX_ U32 c)
+Perl_is_uni_upper_lc(pTHX_ UV c)
{
return is_uni_upper(c); /* XXX no locale support yet */
}
bool
-Perl_is_uni_lower_lc(pTHX_ U32 c)
+Perl_is_uni_lower_lc(pTHX_ UV c)
{
return is_uni_lower(c); /* XXX no locale support yet */
}
bool
-Perl_is_uni_cntrl_lc(pTHX_ U32 c)
+Perl_is_uni_cntrl_lc(pTHX_ UV c)
{
return is_uni_cntrl(c); /* XXX no locale support yet */
}
bool
-Perl_is_uni_graph_lc(pTHX_ U32 c)
+Perl_is_uni_graph_lc(pTHX_ UV c)
{
return is_uni_graph(c); /* XXX no locale support yet */
}
bool
-Perl_is_uni_print_lc(pTHX_ U32 c)
+Perl_is_uni_print_lc(pTHX_ UV c)
{
return is_uni_print(c); /* XXX no locale support yet */
}
bool
-Perl_is_uni_punct_lc(pTHX_ U32 c)
+Perl_is_uni_punct_lc(pTHX_ UV c)
{
return is_uni_punct(c); /* XXX no locale support yet */
}
bool
-Perl_is_uni_xdigit_lc(pTHX_ U32 c)
+Perl_is_uni_xdigit_lc(pTHX_ UV c)
{
return is_uni_xdigit(c); /* XXX no locale support yet */
}
-U32
-Perl_to_uni_upper_lc(pTHX_ U32 c)
-{
- return to_uni_upper(c); /* XXX no locale support yet */
-}
-
-U32
-Perl_to_uni_title_lc(pTHX_ U32 c)
-{
- return to_uni_title(c); /* XXX no locale support yet */
-}
-
-U32
-Perl_to_uni_lower_lc(pTHX_ U32 c)
-{
- return to_uni_lower(c); /* XXX no locale support yet */
-}
-
bool
Perl_is_utf8_alnum(pTHX_ U8 *p)
{
* descendant of isalnum(3), in other words, it doesn't
* contain the '_'. --jhi */
PL_utf8_alnum = swash_init("utf8", "IsWord", &PL_sv_undef, 0, 0);
- return swash_fetch(PL_utf8_alnum, p);
+ return swash_fetch(PL_utf8_alnum, p, TRUE);
/* return *p == '_' || is_utf8_alpha(p) || is_utf8_digit(p); */
#ifdef SURPRISINGLY_SLOWER /* probably because alpha is usually true */
if (!PL_utf8_alnum)
PL_utf8_alnum = swash_init("utf8", "",
sv_2mortal(newSVpv("+utf8::IsAlpha\n+utf8::IsDigit\n005F\n",0)), 0, 0);
- return swash_fetch(PL_utf8_alnum, p);
+ return swash_fetch(PL_utf8_alnum, p, TRUE);
#endif
}
return FALSE;
if (!PL_utf8_alnum)
PL_utf8_alnum = swash_init("utf8", "IsAlnumC", &PL_sv_undef, 0, 0);
- return swash_fetch(PL_utf8_alnum, p);
+ return swash_fetch(PL_utf8_alnum, p, TRUE);
/* return is_utf8_alpha(p) || is_utf8_digit(p); */
#ifdef SURPRISINGLY_SLOWER /* probably because alpha is usually true */
if (!PL_utf8_alnum)
PL_utf8_alnum = swash_init("utf8", "",
sv_2mortal(newSVpv("+utf8::IsAlpha\n+utf8::IsDigit\n005F\n",0)), 0, 0);
- return swash_fetch(PL_utf8_alnum, p);
+ return swash_fetch(PL_utf8_alnum, p, TRUE);
#endif
}
return FALSE;
if (!PL_utf8_alpha)
PL_utf8_alpha = swash_init("utf8", "IsAlpha", &PL_sv_undef, 0, 0);
- return swash_fetch(PL_utf8_alpha, p);
+ return swash_fetch(PL_utf8_alpha, p, TRUE);
}
bool
return FALSE;
if (!PL_utf8_ascii)
PL_utf8_ascii = swash_init("utf8", "IsAscii", &PL_sv_undef, 0, 0);
- return swash_fetch(PL_utf8_ascii, p);
+ return swash_fetch(PL_utf8_ascii, p, TRUE);
}
bool
return FALSE;
if (!PL_utf8_space)
PL_utf8_space = swash_init("utf8", "IsSpacePerl", &PL_sv_undef, 0, 0);
- return swash_fetch(PL_utf8_space, p);
+ return swash_fetch(PL_utf8_space, p, TRUE);
}
bool
return FALSE;
if (!PL_utf8_digit)
PL_utf8_digit = swash_init("utf8", "IsDigit", &PL_sv_undef, 0, 0);
- return swash_fetch(PL_utf8_digit, p);
+ return swash_fetch(PL_utf8_digit, p, TRUE);
}
bool
return FALSE;
if (!PL_utf8_upper)
PL_utf8_upper = swash_init("utf8", "IsUpper", &PL_sv_undef, 0, 0);
- return swash_fetch(PL_utf8_upper, p);
+ return swash_fetch(PL_utf8_upper, p, TRUE);
}
bool
return FALSE;
if (!PL_utf8_lower)
PL_utf8_lower = swash_init("utf8", "IsLower", &PL_sv_undef, 0, 0);
- return swash_fetch(PL_utf8_lower, p);
+ return swash_fetch(PL_utf8_lower, p, TRUE);
}
bool
return FALSE;
if (!PL_utf8_cntrl)
PL_utf8_cntrl = swash_init("utf8", "IsCntrl", &PL_sv_undef, 0, 0);
- return swash_fetch(PL_utf8_cntrl, p);
+ return swash_fetch(PL_utf8_cntrl, p, TRUE);
}
bool
return FALSE;
if (!PL_utf8_graph)
PL_utf8_graph = swash_init("utf8", "IsGraph", &PL_sv_undef, 0, 0);
- return swash_fetch(PL_utf8_graph, p);
+ return swash_fetch(PL_utf8_graph, p, TRUE);
}
bool
return FALSE;
if (!PL_utf8_print)
PL_utf8_print = swash_init("utf8", "IsPrint", &PL_sv_undef, 0, 0);
- return swash_fetch(PL_utf8_print, p);
+ return swash_fetch(PL_utf8_print, p, TRUE);
}
bool
return FALSE;
if (!PL_utf8_punct)
PL_utf8_punct = swash_init("utf8", "IsPunct", &PL_sv_undef, 0, 0);
- return swash_fetch(PL_utf8_punct, p);
+ return swash_fetch(PL_utf8_punct, p, TRUE);
}
bool
return FALSE;
if (!PL_utf8_xdigit)
PL_utf8_xdigit = swash_init("utf8", "IsXDigit", &PL_sv_undef, 0, 0);
- return swash_fetch(PL_utf8_xdigit, p);
+ return swash_fetch(PL_utf8_xdigit, p, TRUE);
}
bool
return FALSE;
if (!PL_utf8_mark)
PL_utf8_mark = swash_init("utf8", "IsM", &PL_sv_undef, 0, 0);
- return swash_fetch(PL_utf8_mark, p);
+ return swash_fetch(PL_utf8_mark, p, TRUE);
}
+/*
+=for apidoc A|UV|to_utf8_case|U8 *p|U8* ustrp|STRLEN *lenp|SV **swash|char *normal|char *special
+
+The "p" contains the pointer to the UTF-8 string encoding
+the character that is being converted.
+
+The "ustrp" is a pointer to the character buffer to put the
+conversion result to. The "lenp" is a pointer to the length
+of the result.
+
+The "swash" is a pointer to the swash to use.
+
+The "normal" is a string like "ToLower" which means the swash
+$utf8::ToLower, which is stored in lib/unicore/To/Lower.pl,
+and loaded by SWASHGET, using lib/utf8_heavy.pl.
+
+The "special" is a string like "utf8::ToSpecLower", which means
+the hash %utf8::ToSpecLower, which is stored in the same file,
+lib/unicore/To/Lower.pl, and also loaded by SWASHGET. The access
+to the hash is by Perl_to_utf8_case().
+
+=cut
+ */
+
UV
-Perl_to_utf8_upper(pTHX_ U8 *p)
+Perl_to_utf8_case(pTHX_ U8 *p, U8* ustrp, STRLEN *lenp, SV **swashp,char *normal, char *special)
{
UV uv;
- if (!PL_utf8_toupper)
- PL_utf8_toupper = swash_init("utf8", "ToUpper", &PL_sv_undef, 4, 0);
- uv = swash_fetch(PL_utf8_toupper, p);
- return uv ? UNI_TO_NATIVE(uv) : utf8_to_uvchr(p,0);
+ if (!*swashp)
+ *swashp = swash_init("utf8", normal, &PL_sv_undef, 4, 0);
+ uv = swash_fetch(*swashp, p, TRUE);
+ if (uv)
+ uv = UNI_TO_NATIVE(uv);
+ else {
+ HV *hv;
+ SV *keysv;
+ HE *he;
+
+ uv = utf8_to_uvchr(p, 0);
+
+ if ((hv = get_hv(special, FALSE)) &&
+ (keysv = sv_2mortal(Perl_newSVpvf(aTHX_ "%04"UVXf, uv))) &&
+ (he = hv_fetch_ent(hv, keysv, FALSE, 0))) {
+ SV *val = HeVAL(he);
+ char *s = SvPV(val, *lenp);
+ U8 c = *(U8*)s;
+ if (*lenp > 1 || UNI_IS_INVARIANT(c))
+ Copy(s, ustrp, *lenp, U8);
+ else {
+ /* something in the 0x80..0xFF range */
+ ustrp[0] = UTF8_EIGHT_BIT_HI(c);
+ ustrp[1] = UTF8_EIGHT_BIT_LO(c);
+ *lenp = 2;
+ }
+ return 0;
+ }
+ }
+ *lenp = UNISKIP(uv);
+ uvuni_to_utf8(ustrp, uv);
+ return uv;
}
UV
-Perl_to_utf8_title(pTHX_ U8 *p)
+Perl_to_utf8_upper(pTHX_ U8 *p, U8* ustrp, STRLEN *lenp)
{
- UV uv;
+ return Perl_to_utf8_case(aTHX_ p, ustrp, lenp,
+ &PL_utf8_toupper, "ToUpper", "utf8::ToSpecUpper");
+}
- if (!PL_utf8_totitle)
- PL_utf8_totitle = swash_init("utf8", "ToTitle", &PL_sv_undef, 4, 0);
- uv = swash_fetch(PL_utf8_totitle, p);
- return uv ? UNI_TO_NATIVE(uv) : utf8_to_uvchr(p,0);
+UV
+Perl_to_utf8_title(pTHX_ U8 *p, U8* ustrp, STRLEN *lenp)
+{
+ return Perl_to_utf8_case(aTHX_ p, ustrp, lenp,
+ &PL_utf8_totitle, "ToTitle", "utf8::ToSpecTitle");
}
UV
-Perl_to_utf8_lower(pTHX_ U8 *p)
+Perl_to_utf8_lower(pTHX_ U8 *p, U8* ustrp, STRLEN *lenp)
{
- UV uv;
+ return Perl_to_utf8_case(aTHX_ p, ustrp, lenp,
+ &PL_utf8_tolower, "ToLower", "utf8::ToSpecLower");
+}
- if (!PL_utf8_tolower)
- PL_utf8_tolower = swash_init("utf8", "ToLower", &PL_sv_undef, 4, 0);
- uv = swash_fetch(PL_utf8_tolower, p);
- return uv ? UNI_TO_NATIVE(uv) : utf8_to_uvchr(p,0);
+UV
+Perl_to_utf8_fold(pTHX_ U8 *p, U8* ustrp, STRLEN *lenp)
+{
+ return Perl_to_utf8_case(aTHX_ p, ustrp, lenp,
+ &PL_utf8_tofold, "ToFold", "utf8::ToSpecFold");
}
/* a "swash" is a swatch hash */
SV* tokenbufsv = sv_2mortal(NEWSV(0,0));
dSP;
HV *stash = gv_stashpvn(pkg, strlen(pkg), FALSE);
+ SV* errsv_save;
if (!gv_fetchmeth(stash, "SWASHNEW", 8, -1)) { /* demand load utf8 */
ENTER;
+ errsv_save = newSVsv(ERRSV);
Perl_load_module(aTHX_ PERL_LOADMOD_NOIMPORT, newSVpv(pkg,0), Nullsv);
+ if (!SvTRUE(ERRSV))
+ sv_setsv(ERRSV, errsv_save);
+ SvREFCNT_dec(errsv_save);
LEAVE;
}
SPAGAIN;
if (PL_curcop == &PL_compiling)
/* XXX ought to be handled by lex_start */
sv_setpv(tokenbufsv, PL_tokenbuf);
+ errsv_save = newSVsv(ERRSV);
if (call_method("SWASHNEW", G_SCALAR))
retval = newSVsv(*PL_stack_sp--);
else
retval = &PL_sv_undef;
+ if (!SvTRUE(ERRSV))
+ sv_setsv(ERRSV, errsv_save);
+ SvREFCNT_dec(errsv_save);
LEAVE;
POPSTACK;
if (PL_curcop == &PL_compiling) {
return retval;
}
+
+/* This API is wrong for special case conversions since we may need to
+ * return several Unicode characters for a single Unicode character
+ * (see lib/unicore/SpecCase.txt) The SWASHGET in lib/utf8_heavy.pl is
+ * the lower-level routine, and it is similarly broken for returning
+ * multiple values. --jhi */
UV
-Perl_swash_fetch(pTHX_ SV *sv, U8 *ptr)
+Perl_swash_fetch(pTHX_ SV *sv, U8 *ptr, bool do_utf8)
{
HV* hv = (HV*)SvRV(sv);
- /* Given a UTF-X encoded char 0xAA..0xYY,0xZZ
- then the "swatch" is a vec() for al the chars which start
- with 0xAA..0xYY
- So the key in the hash is length of encoded char -1
- */
- U32 klen = UTF8SKIP(ptr) - 1;
- U32 off = ptr[klen];
+ U32 klen;
+ U32 off;
STRLEN slen;
STRLEN needents;
- U8 *tmps;
+ U8 *tmps = NULL;
U32 bit;
SV *retval;
+ U8 tmputf8[2];
+ UV c = NATIVE_TO_ASCII(*ptr);
+
+ if (!do_utf8 && !UNI_IS_INVARIANT(c)) {
+ tmputf8[0] = UTF8_EIGHT_BIT_HI(c);
+ tmputf8[1] = UTF8_EIGHT_BIT_LO(c);
+ ptr = tmputf8;
+ }
+ /* Given a UTF-X encoded char 0xAA..0xYY,0xZZ
+ * then the "swatch" is a vec() for al the chars which start
+ * with 0xAA..0xYY
+ * So the key in the hash (klen) is length of encoded char -1
+ */
+ klen = UTF8SKIP(ptr) - 1;
+ off = ptr[klen];
if (klen == 0)
{
* NB: this code assumes that swatches are never modified, once generated!
*/
- if (hv == PL_last_swash_hv &&
+ if (hv == PL_last_swash_hv &&
klen == PL_last_swash_klen &&
- (!klen || memEQ((char *)ptr,(char *)PL_last_swash_key,klen)) )
+ (!klen || memEQ((char *)ptr, (char *)PL_last_swash_key, klen)) )
{
tmps = PL_last_swash_tmps;
slen = PL_last_swash_slen;
Unicode tables, not a native character number.
*/
UV code_point = utf8n_to_uvuni(ptr, UTF8_MAXLEN, NULL, 0);
+ SV *errsv_save;
ENTER;
SAVETMPS;
save_re_context();
EXTEND(SP,3);
PUSHs((SV*)sv);
/* On EBCDIC & ~(0xA0-1) isn't a useful thing to do */
- PUSHs(sv_2mortal(newSViv((klen) ? (code_point & ~(needents - 1)) : 0)));
+ PUSHs(sv_2mortal(newSViv((klen) ?
+ (code_point & ~(needents - 1)) : 0)));
PUSHs(sv_2mortal(newSViv(needents)));
PUTBACK;
+ errsv_save = newSVsv(ERRSV);
if (call_method("SWASHGET", G_SCALAR))
retval = newSVsv(*PL_stack_sp--);
else
retval = &PL_sv_undef;
+ if (!SvTRUE(ERRSV))
+ sv_setsv(ERRSV, errsv_save);
+ SvREFCNT_dec(errsv_save);
POPSTACK;
FREETMPS;
LEAVE;
return UNI_TO_NATIVE(uv);
}
+/*
+=for apidoc A|char *|pv_uni_display|SV *dsv|U8 *spv|STRLEN len|STRLEN pvlim|UV flags
+
+Build to the scalar dsv a displayable version of the string spv,
+length len, the displayable version being at most pvlim bytes long
+(if longer, the rest is truncated and "..." will be appended).
+The flags argument is currently unused but available for future extensions.
+The pointer to the PV of the dsv is returned.
+
+=cut */
+char *
+Perl_pv_uni_display(pTHX_ SV *dsv, U8 *spv, STRLEN len, STRLEN pvlim, UV flags)
+{
+ int truncated = 0;
+ char *s, *e;
+
+ sv_setpvn(dsv, "", 0);
+ for (s = (char *)spv, e = s + len; s < e; s += UTF8SKIP(s)) {
+ UV u;
+ if (pvlim && SvCUR(dsv) >= pvlim) {
+ truncated++;
+ break;
+ }
+ u = utf8_to_uvchr((U8*)s, 0);
+ Perl_sv_catpvf(aTHX_ dsv, "\\x{%"UVxf"}", u);
+ }
+ if (truncated)
+ sv_catpvn(dsv, "...", 3);
+
+ return SvPVX(dsv);
+}
+
+/*
+=for apidoc A|char *|sv_uni_display|SV *dsv|SV *ssv|STRLEN pvlim|UV flags
+
+Build to the scalar dsv a displayable version of the scalar sv,
+he displayable version being at most pvlim bytes long
+(if longer, the rest is truncated and "..." will be appended).
+The flags argument is currently unused but available for future extensions.
+The pointer to the PV of the dsv is returned.
+
+=cut */
+char *
+Perl_sv_uni_display(pTHX_ SV *dsv, SV *ssv, STRLEN pvlim, UV flags)
+{
+ return Perl_pv_uni_display(aTHX_ dsv, (U8*)SvPVX(ssv), SvCUR(ssv),
+ pvlim, flags);
+}
+
+/*
+=for apidoc A|I32|ibcmp_utf8|const char *s1|bool u1|const char *s2|bool u2|register I32 len
+
+Return true if the strings s1 and s2 differ case-insensitively, false
+if not (if they are equal case-insensitively). If u1 is true, the
+string s1 is assumed to be in UTF-8-encoded Unicode. If u2 is true,
+the string s2 is assumed to be in UTF-8-encoded Unicode. (If both u1
+and u2 are false, ibcmp() is called.)
+
+For case-insensitiveness, the "casefolding" of Unicode is used
+instead of upper/lowercasing both the characters, see
+http://www.unicode.org/unicode/reports/tr21/ (Case Mappings).
+
+=cut */
+I32
+Perl_ibcmp_utf8(pTHX_ const char *s1, bool u1, const char *s2, bool u2, register I32 len)
+{
+ if (u1 || u2) {
+ register U8 *a = (U8*)s1;
+ register U8 *b = (U8*)s2;
+ STRLEN la, lb;
+ UV ca, cb;
+ STRLEN ulen1, ulen2;
+ U8 tmpbuf1[UTF8_MAXLEN*3+1];
+ U8 tmpbuf2[UTF8_MAXLEN*3+1];
+
+ while (len) {
+ if (u1)
+ ca = utf8_to_uvchr((U8*)a, &la);
+ else {
+ ca = *a;
+ la = 1;
+ }
+ if (u2)
+ cb = utf8_to_uvchr((U8*)b, &lb);
+ else {
+ cb = *b;
+ lb = 1;
+ }
+ if (ca != cb) {
+ if (u1)
+ to_uni_fold(NATIVE_TO_UNI(ca), tmpbuf1, &ulen1);
+ else
+ ulen1 = 1;
+ if (u2)
+ to_uni_fold(NATIVE_TO_UNI(cb), tmpbuf2, &ulen2);
+ else
+ ulen2 = 1;
+ if (ulen1 != ulen2
+ || (ulen1 == 1 && PL_fold[ca] != PL_fold[cb])
+ || memNE((char *)tmpbuf1, (char *)tmpbuf2, ulen1))
+ return 1;
+ }
+ a += la;
+ b += lb;
+ }
+ return 0;
+ }
+ else
+ return ibcmp(s1, s2, len);
+}
projects / p5sagit/p5-mst-13.2.git / blobdiff