/* utf8.c
*
- * Copyright (c) 1998-1999, Larry Wall
+ * Copyright (c) 1998-2000, Larry Wall
*
* You may distribute under the terms of either the GNU General Public
* License or the Artistic License, as specified in the README file.
*/
#include "EXTERN.h"
+#define PERL_IN_UTF8_C
#include "perl.h"
/* Unicode support */
U8 *
-uv_to_utf8(U8 *d, UV uv)
+Perl_uv_to_utf8(pTHX_ U8 *d, UV uv)
{
if (uv < 0x80) {
*d++ = uv;
*d++ = (( uv & 0x3f) | 0x80);
return d;
}
-#ifdef Quad_t
- if (uv < 0x2000000000)
+#ifdef HAS_QUAD
+ if (uv < 0x1000000000LL)
#endif
{
*d++ = 0xfe; /* Can't match U+FEFF! */
*d++ = (( uv & 0x3f) | 0x80);
return d;
}
-#ifdef Quad_t
+#ifdef HAS_QUAD
{
*d++ = 0xff; /* Can't match U+FFFE! */
+ *d++ = 0x80; /* 6 Reserved bits */
+ *d++ = (((uv >> 60) & 0x0f) | 0x80); /* 2 Reserved bits */
+ *d++ = (((uv >> 54) & 0x3f) | 0x80);
+ *d++ = (((uv >> 48) & 0x3f) | 0x80);
+ *d++ = (((uv >> 42) & 0x3f) | 0x80);
*d++ = (((uv >> 36) & 0x3f) | 0x80);
*d++ = (((uv >> 30) & 0x3f) | 0x80);
*d++ = (((uv >> 24) & 0x3f) | 0x80);
}
UV
-utf8_to_uv(U8* s, I32* retlen)
+Perl_utf8_to_uv(pTHX_ U8* s, I32* retlen)
{
UV uv = *s;
int len;
return *s;
}
if (!(uv & 0x40)) {
- warn("Malformed UTF-8 character");
+ dTHR;
+ if (ckWARN_d(WARN_UTF8))
+ Perl_warner(aTHX_ WARN_UTF8, "Malformed UTF-8 character");
if (retlen)
*retlen = 1;
return *s;
else if (!(uv & 0x08)) { len = 4; uv &= 0x07; }
else if (!(uv & 0x04)) { len = 5; uv &= 0x03; }
else if (!(uv & 0x02)) { len = 6; uv &= 0x01; }
- else if (!(uv & 0x01)) { len = 7; uv &= 0x00; }
- else len = 8; /* whoa! */
+ else if (!(uv & 0x01)) { len = 7; uv = 0; }
+ else { len = 13; uv = 0; } /* whoa! */
if (retlen)
*retlen = len;
s++;
while (len--) {
if ((*s & 0xc0) != 0x80) {
- warn("Malformed UTF-8 character");
+ dTHR;
+ if (ckWARN_d(WARN_UTF8))
+ Perl_warner(aTHX_ WARN_UTF8, "Malformed UTF-8 character");
if (retlen)
*retlen -= len + 1;
return 0xfffd;
/* utf8_distance(a,b) is intended to be a - b in pointer arithmetic */
I32
-utf8_distance(U8 *a, U8 *b)
+Perl_utf8_distance(pTHX_ U8 *a, U8 *b)
{
I32 off = 0;
if (a < b) {
/* WARNING: do not use the following unless you *know* off is within bounds */
U8 *
-utf8_hop(U8 *s, I32 off)
+Perl_utf8_hop(pTHX_ U8 *s, I32 off)
{
if (off >= 0) {
while (off--)
* We optimize for native, for obvious reasons. */
U8*
-utf16_to_utf8(U16* p, U8* d, I32 bytelen)
+Perl_utf16_to_utf8(pTHX_ U16* p, U8* d, I32 bytelen)
{
U16* pend = p + bytelen / 2;
while (p < pend) {
continue;
}
if (uv >= 0xd800 && uv < 0xdbff) { /* surrogates */
+ dTHR;
int low = *p++;
if (low < 0xdc00 || low >= 0xdfff) {
- warn("Malformed UTF-16 surrogate");
+ if (ckWARN_d(WARN_UTF8))
+ Perl_warner(aTHX_ WARN_UTF8, "Malformed UTF-16 surrogate");
p--;
uv = 0xfffd;
}
/* Note: this one is slightly destructive of the source. */
U8*
-utf16_to_utf8_reversed(U16* p, U8* d, I32 bytelen)
+Perl_utf16_to_utf8_reversed(pTHX_ U16* p, U8* d, I32 bytelen)
{
U8* s = (U8*)p;
U8* send = s + bytelen;
/* for now these are all defined (inefficiently) in terms of the utf8 versions */
bool
-is_uni_alnum(U32 c)
+Perl_is_uni_alnum(pTHX_ U32 c)
{
- U8 tmpbuf[10];
+ U8 tmpbuf[UTF8_MAXLEN];
uv_to_utf8(tmpbuf, (UV)c);
return is_utf8_alnum(tmpbuf);
}
bool
-is_uni_idfirst(U32 c)
+Perl_is_uni_alnumc(pTHX_ U32 c)
{
- U8 tmpbuf[10];
+ U8 tmpbuf[UTF8_MAXLEN];
+ uv_to_utf8(tmpbuf, (UV)c);
+ return is_utf8_alnumc(tmpbuf);
+}
+
+bool
+Perl_is_uni_idfirst(pTHX_ U32 c)
+{
+ U8 tmpbuf[UTF8_MAXLEN];
uv_to_utf8(tmpbuf, (UV)c);
return is_utf8_idfirst(tmpbuf);
}
bool
-is_uni_alpha(U32 c)
+Perl_is_uni_alpha(pTHX_ U32 c)
{
- U8 tmpbuf[10];
+ U8 tmpbuf[UTF8_MAXLEN];
uv_to_utf8(tmpbuf, (UV)c);
return is_utf8_alpha(tmpbuf);
}
bool
-is_uni_space(U32 c)
+Perl_is_uni_ascii(pTHX_ U32 c)
{
- U8 tmpbuf[10];
+ U8 tmpbuf[UTF8_MAXLEN];
+ uv_to_utf8(tmpbuf, (UV)c);
+ return is_utf8_ascii(tmpbuf);
+}
+
+bool
+Perl_is_uni_space(pTHX_ U32 c)
+{
+ U8 tmpbuf[UTF8_MAXLEN];
uv_to_utf8(tmpbuf, (UV)c);
return is_utf8_space(tmpbuf);
}
bool
-is_uni_digit(U32 c)
+Perl_is_uni_digit(pTHX_ U32 c)
{
- U8 tmpbuf[10];
+ U8 tmpbuf[UTF8_MAXLEN];
uv_to_utf8(tmpbuf, (UV)c);
return is_utf8_digit(tmpbuf);
}
bool
-is_uni_upper(U32 c)
+Perl_is_uni_upper(pTHX_ U32 c)
{
- U8 tmpbuf[10];
+ U8 tmpbuf[UTF8_MAXLEN];
uv_to_utf8(tmpbuf, (UV)c);
return is_utf8_upper(tmpbuf);
}
bool
-is_uni_lower(U32 c)
+Perl_is_uni_lower(pTHX_ U32 c)
{
- U8 tmpbuf[10];
+ U8 tmpbuf[UTF8_MAXLEN];
uv_to_utf8(tmpbuf, (UV)c);
return is_utf8_lower(tmpbuf);
}
bool
-is_uni_print(U32 c)
+Perl_is_uni_cntrl(pTHX_ U32 c)
+{
+ U8 tmpbuf[UTF8_MAXLEN];
+ uv_to_utf8(tmpbuf, (UV)c);
+ return is_utf8_cntrl(tmpbuf);
+}
+
+bool
+Perl_is_uni_graph(pTHX_ U32 c)
{
- U8 tmpbuf[10];
+ U8 tmpbuf[UTF8_MAXLEN];
+ uv_to_utf8(tmpbuf, (UV)c);
+ return is_utf8_graph(tmpbuf);
+}
+
+bool
+Perl_is_uni_print(pTHX_ U32 c)
+{
+ U8 tmpbuf[UTF8_MAXLEN];
uv_to_utf8(tmpbuf, (UV)c);
return is_utf8_print(tmpbuf);
}
+bool
+Perl_is_uni_punct(pTHX_ U32 c)
+{
+ U8 tmpbuf[UTF8_MAXLEN];
+ uv_to_utf8(tmpbuf, (UV)c);
+ return is_utf8_punct(tmpbuf);
+}
+
+bool
+Perl_is_uni_xdigit(pTHX_ U32 c)
+{
+ U8 tmpbuf[UTF8_MAXLEN];
+ uv_to_utf8(tmpbuf, (UV)c);
+ return is_utf8_xdigit(tmpbuf);
+}
+
U32
-to_uni_upper(U32 c)
+Perl_to_uni_upper(pTHX_ U32 c)
{
- U8 tmpbuf[10];
+ U8 tmpbuf[UTF8_MAXLEN];
uv_to_utf8(tmpbuf, (UV)c);
return to_utf8_upper(tmpbuf);
}
U32
-to_uni_title(U32 c)
+Perl_to_uni_title(pTHX_ U32 c)
{
- U8 tmpbuf[10];
+ U8 tmpbuf[UTF8_MAXLEN];
uv_to_utf8(tmpbuf, (UV)c);
return to_utf8_title(tmpbuf);
}
U32
-to_uni_lower(U32 c)
+Perl_to_uni_lower(pTHX_ U32 c)
{
- U8 tmpbuf[10];
+ U8 tmpbuf[UTF8_MAXLEN];
uv_to_utf8(tmpbuf, (UV)c);
return to_utf8_lower(tmpbuf);
}
/* for now these all assume no locale info available for Unicode > 255 */
bool
-is_uni_alnum_lc(U32 c)
+Perl_is_uni_alnum_lc(pTHX_ U32 c)
{
return is_uni_alnum(c); /* XXX no locale support yet */
}
bool
-is_uni_idfirst_lc(U32 c)
+Perl_is_uni_alnumc_lc(pTHX_ U32 c)
+{
+ return is_uni_alnumc(c); /* XXX no locale support yet */
+}
+
+bool
+Perl_is_uni_idfirst_lc(pTHX_ U32 c)
{
return is_uni_idfirst(c); /* XXX no locale support yet */
}
bool
-is_uni_alpha_lc(U32 c)
+Perl_is_uni_alpha_lc(pTHX_ U32 c)
{
return is_uni_alpha(c); /* XXX no locale support yet */
}
bool
-is_uni_space_lc(U32 c)
+Perl_is_uni_ascii_lc(pTHX_ U32 c)
+{
+ return is_uni_ascii(c); /* XXX no locale support yet */
+}
+
+bool
+Perl_is_uni_space_lc(pTHX_ U32 c)
{
return is_uni_space(c); /* XXX no locale support yet */
}
bool
-is_uni_digit_lc(U32 c)
+Perl_is_uni_digit_lc(pTHX_ U32 c)
{
return is_uni_digit(c); /* XXX no locale support yet */
}
bool
-is_uni_upper_lc(U32 c)
+Perl_is_uni_upper_lc(pTHX_ U32 c)
{
return is_uni_upper(c); /* XXX no locale support yet */
}
bool
-is_uni_lower_lc(U32 c)
+Perl_is_uni_lower_lc(pTHX_ U32 c)
{
return is_uni_lower(c); /* XXX no locale support yet */
}
bool
-is_uni_print_lc(U32 c)
+Perl_is_uni_cntrl_lc(pTHX_ U32 c)
+{
+ return is_uni_cntrl(c); /* XXX no locale support yet */
+}
+
+bool
+Perl_is_uni_graph_lc(pTHX_ U32 c)
+{
+ return is_uni_graph(c); /* XXX no locale support yet */
+}
+
+bool
+Perl_is_uni_print_lc(pTHX_ U32 c)
{
return is_uni_print(c); /* XXX no locale support yet */
}
+bool
+Perl_is_uni_punct_lc(pTHX_ U32 c)
+{
+ return is_uni_punct(c); /* XXX no locale support yet */
+}
+
+bool
+Perl_is_uni_xdigit_lc(pTHX_ U32 c)
+{
+ return is_uni_xdigit(c); /* XXX no locale support yet */
+}
+
U32
-to_uni_upper_lc(U32 c)
+Perl_to_uni_upper_lc(pTHX_ U32 c)
{
return to_uni_upper(c); /* XXX no locale support yet */
}
U32
-to_uni_title_lc(U32 c)
+Perl_to_uni_title_lc(pTHX_ U32 c)
{
return to_uni_title(c); /* XXX no locale support yet */
}
U32
-to_uni_lower_lc(U32 c)
+Perl_to_uni_lower_lc(pTHX_ U32 c)
{
return to_uni_lower(c); /* XXX no locale support yet */
}
-
bool
-is_utf8_alnum(U8 *p)
+Perl_is_utf8_alnum(pTHX_ U8 *p)
{
if (!PL_utf8_alnum)
PL_utf8_alnum = swash_init("utf8", "IsAlnum", &PL_sv_undef, 0, 0);
}
bool
-is_utf8_idfirst(U8 *p)
+Perl_is_utf8_alnumc(pTHX_ U8 *p)
+{
+ if (!PL_utf8_alnum)
+ PL_utf8_alnum = swash_init("utf8", "IsAlnumC", &PL_sv_undef, 0, 0);
+ return swash_fetch(PL_utf8_alnum, p);
+/* 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);
+#endif
+}
+
+bool
+Perl_is_utf8_idfirst(pTHX_ U8 *p)
{
return *p == '_' || is_utf8_alpha(p);
}
bool
-is_utf8_alpha(U8 *p)
+Perl_is_utf8_alpha(pTHX_ U8 *p)
{
if (!PL_utf8_alpha)
PL_utf8_alpha = swash_init("utf8", "IsAlpha", &PL_sv_undef, 0, 0);
}
bool
-is_utf8_space(U8 *p)
+Perl_is_utf8_ascii(pTHX_ U8 *p)
+{
+ if (!PL_utf8_ascii)
+ PL_utf8_ascii = swash_init("utf8", "IsAscii", &PL_sv_undef, 0, 0);
+ return swash_fetch(PL_utf8_ascii, p);
+}
+
+bool
+Perl_is_utf8_space(pTHX_ U8 *p)
{
if (!PL_utf8_space)
PL_utf8_space = swash_init("utf8", "IsSpace", &PL_sv_undef, 0, 0);
}
bool
-is_utf8_digit(U8 *p)
+Perl_is_utf8_digit(pTHX_ U8 *p)
{
if (!PL_utf8_digit)
PL_utf8_digit = swash_init("utf8", "IsDigit", &PL_sv_undef, 0, 0);
}
bool
-is_utf8_upper(U8 *p)
+Perl_is_utf8_upper(pTHX_ U8 *p)
{
if (!PL_utf8_upper)
PL_utf8_upper = swash_init("utf8", "IsUpper", &PL_sv_undef, 0, 0);
}
bool
-is_utf8_lower(U8 *p)
+Perl_is_utf8_lower(pTHX_ U8 *p)
{
if (!PL_utf8_lower)
PL_utf8_lower = swash_init("utf8", "IsLower", &PL_sv_undef, 0, 0);
}
bool
-is_utf8_print(U8 *p)
+Perl_is_utf8_cntrl(pTHX_ U8 *p)
+{
+ if (!PL_utf8_cntrl)
+ PL_utf8_cntrl = swash_init("utf8", "IsCntrl", &PL_sv_undef, 0, 0);
+ return swash_fetch(PL_utf8_cntrl, p);
+}
+
+bool
+Perl_is_utf8_graph(pTHX_ U8 *p)
+{
+ if (!PL_utf8_graph)
+ PL_utf8_graph = swash_init("utf8", "IsGraph", &PL_sv_undef, 0, 0);
+ return swash_fetch(PL_utf8_graph, p);
+}
+
+bool
+Perl_is_utf8_print(pTHX_ U8 *p)
{
if (!PL_utf8_print)
PL_utf8_print = swash_init("utf8", "IsPrint", &PL_sv_undef, 0, 0);
}
bool
-is_utf8_mark(U8 *p)
+Perl_is_utf8_punct(pTHX_ U8 *p)
+{
+ if (!PL_utf8_punct)
+ PL_utf8_punct = swash_init("utf8", "IsPunct", &PL_sv_undef, 0, 0);
+ return swash_fetch(PL_utf8_punct, p);
+}
+
+bool
+Perl_is_utf8_xdigit(pTHX_ U8 *p)
+{
+ if (!PL_utf8_xdigit)
+ PL_utf8_xdigit = swash_init("utf8", "IsXDigit", &PL_sv_undef, 0, 0);
+ return swash_fetch(PL_utf8_xdigit, p);
+}
+
+bool
+Perl_is_utf8_mark(pTHX_ U8 *p)
{
if (!PL_utf8_mark)
PL_utf8_mark = swash_init("utf8", "IsM", &PL_sv_undef, 0, 0);
}
UV
-to_utf8_upper(U8 *p)
+Perl_to_utf8_upper(pTHX_ U8 *p)
{
UV uv;
}
UV
-to_utf8_title(U8 *p)
+Perl_to_utf8_title(pTHX_ U8 *p)
{
UV uv;
}
UV
-to_utf8_lower(U8 *p)
+Perl_to_utf8_lower(pTHX_ U8 *p)
{
UV uv;
/* a "swash" is a swatch hash */
SV*
-swash_init(char* pkg, char* name, SV *listsv, I32 minbits, I32 none)
+Perl_swash_init(pTHX_ char* pkg, char* name, SV *listsv, I32 minbits, I32 none)
{
SV* retval;
char tmpbuf[256];
save_re_context();
if (PL_curcop == &PL_compiling) /* XXX ought to be handled by lex_start */
strncpy(tmpbuf, PL_tokenbuf, sizeof tmpbuf);
- if (perl_call_method("SWASHNEW", G_SCALAR))
+ if (call_method("SWASHNEW", G_SCALAR))
retval = newSVsv(*PL_stack_sp--);
else
retval = &PL_sv_undef;
PL_curcop->op_private = PL_hints;
}
if (!SvROK(retval) || SvTYPE(SvRV(retval)) != SVt_PVHV)
- croak("SWASHNEW didn't return an HV ref");
+ Perl_croak(aTHX_ "SWASHNEW didn't return an HV ref");
return retval;
}
UV
-swash_fetch(SV *sv, U8 *ptr)
+Perl_swash_fetch(pTHX_ SV *sv, U8 *ptr)
{
HV* hv = (HV*)SvRV(sv);
U32 klen = UTF8SKIP(ptr) - 1;
PUSHs(sv_2mortal(newSViv(utf8_to_uv(ptr, 0) & ~(needents - 1))));
PUSHs(sv_2mortal(newSViv(needents)));
PUTBACK;
- if (perl_call_method("SWASHGET", G_SCALAR))
+ if (call_method("SWASHGET", G_SCALAR))
retval = newSVsv(*PL_stack_sp--);
else
retval = &PL_sv_undef;
svp = hv_store(hv, (char*)ptr, klen, retval, 0);
if (!svp || !(tmps = (U8*)SvPV(*svp, slen)) || slen < 8)
- croak("SWASHGET didn't return result of proper length");
+ Perl_croak(aTHX_ "SWASHGET didn't return result of proper length");
}
PL_last_swash_hv = hv;
off <<= 2;
return (tmps[off] << 24) + (tmps[off+1] << 16) + (tmps[off+2] << 8) + tmps[off + 3] ;
}
- croak("panic: swash_fetch");
+ Perl_croak(aTHX_ "panic: swash_fetch");
return 0;
}
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