five bytes or more.
=cut */
-STRLEN
+STATIC STRLEN
S_is_utf8_char_slow(pTHX_ const U8 *s, const STRLEN len)
{
U8 u = *s;
STRLEN
Perl_is_utf8_char(pTHX_ const U8 *s)
{
- STRLEN len;
+ STRLEN len = UTF8SKIP(s);
#ifdef IS_UTF8_CHAR
- len = UTF8SKIP(s);
- if (len <= 4)
+ if (IS_UTF8_CHAR_FAST(len))
return IS_UTF8_CHAR(s, len) ? len : 0;
#endif /* #ifdef IS_UTF8_CHAR */
return is_utf8_char_slow(s, len);
not mean 'a string that contains code points above 0x7F encoded in UTF-8'
because a valid ASCII string is a valid UTF-8 string.
+See also is_utf8_string_loclen() and is_utf8_string_loc().
+
=cut
*/
if (UTF8_IS_INVARIANT(*x))
c = 1;
else if (!UTF8_IS_START(*x))
- return FALSE;
+ goto out;
else {
/* ... and call is_utf8_char() only if really needed. */
#ifdef IS_UTF8_CHAR
c = UTF8SKIP(x);
- if (c <= 4) {
- if (!IS_UTF8_CHAR(x, c))
- return FALSE;
- } else {
- if (!is_utf8_char_slow(x, c))
- return FALSE;
- }
+ if (IS_UTF8_CHAR_FAST(c)) {
+ if (!IS_UTF8_CHAR(x, c))
+ goto out;
+ } else if (!is_utf8_char_slow(x, c))
+ goto out;
#else
c = is_utf8_char(x);
#endif /* #ifdef IS_UTF8_CHAR */
if (!c)
- return FALSE;
+ goto out;
}
x += c;
}
+
+ out:
if (x != send)
return FALSE;
}
/*
-=for apidoc A|bool|is_utf8_string_loc|const U8 *s|STRLEN len|const U8 **p
+=for apidoc A|bool|is_utf8_string_loclen|const U8 *s|STRLEN len|const U8 **ep|const STRLEN *el
+
+Like is_ut8_string() but stores the location of the failure (in the
+case of "utf8ness failure") or the location s+len (in the case of
+"utf8ness success") in the C<ep>, and the number of UTF-8
+encoded characters in the C<el>.
-Like is_ut8_string but store the location of the failure in
-the last argument.
+See also is_utf8_string_loc() and is_utf8_string().
=cut
*/
bool
-Perl_is_utf8_string_loc(pTHX_ const U8 *s, STRLEN len, const U8 **p)
+Perl_is_utf8_string_loclen(pTHX_ const U8 *s, STRLEN len, const U8 **ep, STRLEN *el)
{
const U8* x = s;
const U8* send;
if (!len && s)
len = strlen((const char *)s);
send = s + len;
+ if (el)
+ *el = 0;
while (x < send) {
/* Inline the easy bits of is_utf8_char() here for speed... */
if (UTF8_IS_INVARIANT(*x))
- c = 1;
- else if (!UTF8_IS_START(*x)) {
- if (p)
- *p = x;
- return FALSE;
- }
+ c = 1;
+ else if (!UTF8_IS_START(*x))
+ goto out;
else {
- /* ... and call is_utf8_char() only if really needed. */
- c = is_utf8_char(x);
- if (!c) {
- if (p)
- *p = x;
- return FALSE;
- }
+ /* ... and call is_utf8_char() only if really needed. */
+#ifdef IS_UTF8_CHAR
+ c = UTF8SKIP(x);
+ if (IS_UTF8_CHAR_FAST(c)) {
+ if (!IS_UTF8_CHAR(x, c))
+ c = 0;
+ } else
+ c = is_utf8_char_slow(x, c);
+#else
+ c = is_utf8_char(x);
+#endif /* #ifdef IS_UTF8_CHAR */
+ if (!c)
+ goto out;
}
- x += c;
+ x += c;
+ if (el)
+ (*el)++;
}
- if (x != send) {
- if (p)
- *p = x;
+
+ out:
+ if (ep)
+ *ep = x;
+ if (x != send)
return FALSE;
- }
return TRUE;
}
/*
+=for apidoc A|bool|is_utf8_string_loc|const U8 *s|STRLEN len|const U8 **ep|const STRLEN *el
+
+Like is_ut8_string() but stores the location of the failure (in the
+case of "utf8ness failure") or the location s+len (in the case of
+"utf8ness success") in the C<ep>.
+
+See also is_utf8_string_loclen() and is_utf8_string().
+
+=cut
+*/
+
+bool
+Perl_is_utf8_string_loc(pTHX_ const U8 *s, STRLEN len, const U8 **ep)
+{
+ return is_utf8_string_loclen(s, len, ep, 0);
+}
+
+/*
=for apidoc A|UV|utf8n_to_uvuni|const U8 *s|STRLEN curlen|STRLEN *retlen|U32 flags
Bottom level UTF-8 decode routine.
if ((hv = get_hv(special, FALSE)) &&
(svp = hv_fetch(hv, (const char*)tmpbuf, UNISKIP(uv1), FALSE)) &&
(*svp)) {
- char *s;
+ const char *s;
- s = SvPV(*svp, len);
+ s = SvPV_const(*svp, len);
if (len == 1)
len = uvuni_to_utf8(ustrp, NATIVE_TO_UNI(*(U8*)s)) - ustrp;
else {
POPSTACK;
if (IN_PERL_COMPILETIME) {
STRLEN len;
- const char* pv = SvPV(tokenbufsv, len);
+ const char* pv = SvPV_const(tokenbufsv, len);
Copy(pv, PL_tokenbuf, len+1, char);
PL_curcop->op_private = (U8)(PL_hints & HINT_PRIVATE_MASK);
U32 off;
STRLEN slen;
STRLEN needents;
- U8 *tmps = NULL;
+ const U8 *tmps = NULL;
U32 bit;
SV *retval;
U8 tmputf8[2];
SV** svp = hv_fetch(hv, (const char*)ptr, klen, FALSE);
/* If not cached, generate it via utf8::SWASHGET */
- if (!svp || !SvPOK(*svp) || !(tmps = (U8*)SvPV(*svp, slen))) {
+ if (!svp || !SvPOK(*svp) || !(tmps = (const U8*)SvPV_const(*svp, slen))) {
dSP;
/* We use utf8n_to_uvuni() as we want an index into
Unicode tables, not a native character number.
PL_last_swash_hv = hv;
PL_last_swash_klen = klen;
- PL_last_swash_tmps = tmps;
+ /* FIXME change interpvar.h? */
+ PL_last_swash_tmps = (U8 *) tmps;
PL_last_swash_slen = slen;
if (klen)
Copy(ptr, PL_last_swash_key, klen, U8);
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);
+ return Perl_pv_uni_display(aTHX_ dsv, (const U8*)SvPVX_const(ssv),
+ SvCUR(ssv), pvlim, flags);
}
/*