#include <signal.h>
#endif
-I32
-do_trans(SV *sv, OP *arg)
+#ifndef PERL_OBJECT
+static I32 do_trans_CC_simple _((SV *sv));
+static I32 do_trans_CC_count _((SV *sv));
+static I32 do_trans_CC_complex _((SV *sv));
+static I32 do_trans_UU_simple _((SV *sv));
+static I32 do_trans_UU_count _((SV *sv));
+static I32 do_trans_UU_complex _((SV *sv));
+static I32 do_trans_UC_simple _((SV *sv));
+static I32 do_trans_CU_simple _((SV *sv));
+static I32 do_trans_UC_trivial _((SV *sv));
+static I32 do_trans_CU_trivial _((SV *sv));
+#endif
+
+STATIC I32
+do_trans_CC_simple(SV *sv)
{
dTHR;
- register short *tbl;
- register U8 *s;
- register U8 *send;
- register U8 *d;
- register I32 ch;
- register I32 matches = 0;
- register I32 squash = PL_op->op_private & OPpTRANS_SQUASH;
- register U8 *p;
+ U8 *s;
+ U8 *send;
+ I32 matches = 0;
STRLEN len;
+ short *tbl;
+ I32 ch;
- if (SvREADONLY(sv) && !(PL_op->op_private & OPpTRANS_COUNTONLY))
- croak(no_modify);
tbl = (short*)cPVOP->op_pv;
+ if (!tbl)
+ croak("panic: do_trans");
+
s = (U8*)SvPV(sv, len);
- if (!len)
- return 0;
- if (!SvPOKp(sv))
- s = (U8*)SvPV_force(sv, len);
- (void)SvPOK_only(sv);
send = s + len;
- if (!tbl || !s)
+
+ while (s < send) {
+ if ((ch = tbl[*s]) >= 0) {
+ matches++;
+ *s = ch;
+ }
+ s++;
+ }
+ SvSETMAGIC(sv);
+
+ return matches;
+}
+
+STATIC I32
+do_trans_CC_count(SV *sv)
+{
+ dTHR;
+ U8 *s;
+ U8 *send;
+ I32 matches = 0;
+ STRLEN len;
+ short *tbl;
+
+ tbl = (short*)cPVOP->op_pv;
+ if (!tbl)
croak("panic: do_trans");
- DEBUG_t( deb("2.TBL\n"));
- if (!PL_op->op_private) {
+
+ s = (U8*)SvPV(sv, len);
+ send = s + len;
+
+ while (s < send) {
+ if (tbl[*s] >= 0)
+ matches++;
+ s++;
+ }
+
+ return matches;
+}
+
+STATIC I32
+do_trans_CC_complex(SV *sv)
+{
+ dTHR;
+ U8 *s;
+ U8 *send;
+ U8 *d;
+ I32 matches = 0;
+ STRLEN len;
+ short *tbl;
+ I32 ch;
+
+ tbl = (short*)cPVOP->op_pv;
+ if (!tbl)
+ croak("panic: do_trans");
+
+ s = (U8*)SvPV(sv, len);
+ send = s + len;
+
+ d = s;
+ if (PL_op->op_private & OPpTRANS_SQUASH) {
+ U8* p = send;
+
while (s < send) {
if ((ch = tbl[*s]) >= 0) {
+ *d = ch;
matches++;
- *s = ch;
+ if (p == d - 1 && *p == *d)
+ matches--;
+ else
+ p = d++;
}
+ else if (ch == -1) /* -1 is unmapped character */
+ *d++ = *s; /* -2 is delete character */
s++;
}
- SvSETMAGIC(sv);
}
- else if (PL_op->op_private & OPpTRANS_COUNTONLY) {
+ else {
while (s < send) {
- if (tbl[*s] >= 0)
+ if ((ch = tbl[*s]) >= 0) {
+ *d = ch;
matches++;
+ d++;
+ }
+ else if (ch == -1) /* -1 is unmapped character */
+ *d++ = *s; /* -2 is delete character */
s++;
}
}
+ matches += send - d; /* account for disappeared chars */
+ *d = '\0';
+ SvCUR_set(sv, d - (U8*)SvPVX(sv));
+ SvSETMAGIC(sv);
+
+ return matches;
+}
+
+STATIC I32
+do_trans_UU_simple(SV *sv)
+{
+ dTHR;
+ U8 *s;
+ U8 *send;
+ U8 *d;
+ I32 matches = 0;
+ STRLEN len;
+
+ SV* rv = (SV*)cSVOP->op_sv;
+ HV* hv = (HV*)SvRV(rv);
+ SV** svp = hv_fetch(hv, "NONE", 4, FALSE);
+ UV none = svp ? SvUV(*svp) : 0x7fffffff;
+ UV extra = none + 1;
+ UV final;
+ UV uv;
+
+ s = (U8*)SvPV(sv, len);
+ send = s + len;
+
+ svp = hv_fetch(hv, "FINAL", 5, FALSE);
+ if (svp)
+ final = SvUV(*svp);
+
+ d = s;
+ while (s < send) {
+ if ((uv = swash_fetch(rv, s)) < none) {
+ s += UTF8SKIP(s);
+ matches++;
+ d = uv_to_utf8(d, uv);
+ }
+ else if (uv == none) {
+ int i;
+ for (i = UTF8SKIP(s); i; i--)
+ *d++ = *s++;
+ }
+ else if (uv == extra) {
+ s += UTF8SKIP(s);
+ matches++;
+ d = uv_to_utf8(d, final);
+ }
+ else
+ s += UTF8SKIP(s);
+ }
+ *d = '\0';
+ SvCUR_set(sv, d - (U8*)SvPVX(sv));
+ SvSETMAGIC(sv);
+
+ return matches;
+}
+
+STATIC I32
+do_trans_UU_count(SV *sv)
+{
+ dTHR;
+ U8 *s;
+ U8 *send;
+ I32 matches = 0;
+ STRLEN len;
+
+ SV* rv = (SV*)cSVOP->op_sv;
+ HV* hv = (HV*)SvRV(rv);
+ SV** svp = hv_fetch(hv, "NONE", 4, FALSE);
+ UV none = svp ? SvUV(*svp) : 0x7fffffff;
+ UV uv;
+
+ s = (U8*)SvPV(sv, len);
+ send = s + len;
+
+ while (s < send) {
+ if ((uv = swash_fetch(rv, s)) < none)
+ matches++;
+ s += UTF8SKIP(s);
+ }
+
+ return matches;
+}
+
+STATIC I32
+do_trans_UC_simple(SV *sv)
+{
+ dTHR;
+ U8 *s;
+ U8 *send;
+ U8 *d;
+ I32 matches = 0;
+ STRLEN len;
+
+ SV* rv = (SV*)cSVOP->op_sv;
+ HV* hv = (HV*)SvRV(rv);
+ SV** svp = hv_fetch(hv, "NONE", 4, FALSE);
+ UV none = svp ? SvUV(*svp) : 0x7fffffff;
+ UV extra = none + 1;
+ UV final;
+ UV uv;
+
+ s = (U8*)SvPV(sv, len);
+ send = s + len;
+
+ svp = hv_fetch(hv, "FINAL", 5, FALSE);
+ if (svp)
+ final = SvUV(*svp);
+
+ d = s;
+ while (s < send) {
+ if ((uv = swash_fetch(rv, s)) < none) {
+ s += UTF8SKIP(s);
+ matches++;
+ *d++ = (U8)uv;
+ }
+ else if (uv == none) {
+ I32 ulen;
+ uv = utf8_to_uv(s, &ulen);
+ s += ulen;
+ *d++ = (U8)uv;
+ }
+ else if (uv == extra) {
+ s += UTF8SKIP(s);
+ matches++;
+ *d++ = (U8)final;
+ }
+ else
+ s += UTF8SKIP(s);
+ }
+ *d = '\0';
+ SvCUR_set(sv, d - (U8*)SvPVX(sv));
+ SvSETMAGIC(sv);
+
+ return matches;
+}
+
+STATIC I32
+do_trans_CU_simple(SV *sv)
+{
+ dTHR;
+ U8 *s;
+ U8 *send;
+ U8 *d;
+ U8 *dst;
+ I32 matches = 0;
+ STRLEN len;
+
+ SV* rv = (SV*)cSVOP->op_sv;
+ HV* hv = (HV*)SvRV(rv);
+ SV** svp = hv_fetch(hv, "NONE", 4, FALSE);
+ UV none = svp ? SvUV(*svp) : 0x7fffffff;
+ UV extra = none + 1;
+ UV final;
+ UV uv;
+ U8 tmpbuf[10];
+ I32 bits = 16;
+
+ s = (U8*)SvPV(sv, len);
+ send = s + len;
+
+ svp = hv_fetch(hv, "BITS", 4, FALSE);
+ if (svp)
+ bits = (I32)SvIV(*svp);
+
+ svp = hv_fetch(hv, "FINAL", 5, FALSE);
+ if (svp)
+ final = SvUV(*svp);
+
+ Newz(801, d, len * (bits >> 3) + 1, U8);
+ dst = d;
+
+ while (s < send) {
+ uv = *s++;
+ if (uv < 0x80)
+ tmpbuf[0] = uv;
+ else {
+ tmpbuf[0] = (( uv >> 6) | 0xc0);
+ tmpbuf[1] = (( uv & 0x3f) | 0x80);
+ }
+
+ if ((uv = swash_fetch(rv, tmpbuf)) < none) {
+ matches++;
+ d = uv_to_utf8(d, uv);
+ }
+ else if (uv == none)
+ d = uv_to_utf8(d, s[-1]);
+ else if (uv == extra) {
+ matches++;
+ d = uv_to_utf8(d, final);
+ }
+ }
+ *d = '\0';
+ sv_usepvn_mg(sv, (char*)dst, d - dst);
+
+ return matches;
+}
+
+/* utf-8 to latin-1 */
+
+STATIC I32
+do_trans_UC_trivial(SV *sv)
+{
+ dTHR;
+ U8 *s;
+ U8 *send;
+ U8 *d;
+ STRLEN len;
+
+ s = (U8*)SvPV(sv, len);
+ send = s + len;
+
+ d = s;
+ while (s < send) {
+ if (*s < 0x80)
+ *d++ = *s++;
+ else {
+ I32 ulen;
+ UV uv = utf8_to_uv(s, &ulen);
+ s += ulen;
+ *d++ = (U8)uv;
+ }
+ }
+ *d = '\0';
+ SvCUR_set(sv, d - (U8*)SvPVX(sv));
+ SvSETMAGIC(sv);
+
+ return SvCUR(sv);
+}
+
+/* latin-1 to utf-8 */
+
+STATIC I32
+do_trans_CU_trivial(SV *sv)
+{
+ dTHR;
+ U8 *s;
+ U8 *send;
+ U8 *d;
+ U8 *dst;
+ I32 matches;
+ STRLEN len;
+
+ s = (U8*)SvPV(sv, len);
+ send = s + len;
+
+ Newz(801, d, len * 2 + 1, U8);
+ dst = d;
+
+ matches = send - s;
+
+ while (s < send) {
+ if (*s < 0x80)
+ *d++ = *s++;
+ else {
+ UV uv = *s++;
+ *d++ = (( uv >> 6) | 0xc0);
+ *d++ = (( uv & 0x3f) | 0x80);
+ }
+ }
+ *d = '\0';
+ sv_usepvn_mg(sv, (char*)dst, d - dst);
+
+ return matches;
+}
+
+STATIC I32
+do_trans_UU_complex(SV *sv)
+{
+ dTHR;
+ U8 *s;
+ U8 *send;
+ U8 *d;
+ I32 matches = 0;
+ I32 squash = PL_op->op_private & OPpTRANS_SQUASH;
+ I32 from_utf = PL_op->op_private & OPpTRANS_FROM_UTF;
+ I32 to_utf = PL_op->op_private & OPpTRANS_TO_UTF;
+ I32 del = PL_op->op_private & OPpTRANS_DELETE;
+ SV* rv = (SV*)cSVOP->op_sv;
+ HV* hv = (HV*)SvRV(rv);
+ SV** svp = hv_fetch(hv, "NONE", 4, FALSE);
+ UV none = svp ? SvUV(*svp) : 0x7fffffff;
+ UV extra = none + 1;
+ UV final;
+ UV uv;
+ STRLEN len;
+ U8 *dst;
+
+ s = (U8*)SvPV(sv, len);
+ send = s + len;
+
+ svp = hv_fetch(hv, "FINAL", 5, FALSE);
+ if (svp)
+ final = SvUV(*svp);
+
+ if (PL_op->op_private & OPpTRANS_GROWS) {
+ I32 bits = 16;
+
+ svp = hv_fetch(hv, "BITS", 4, FALSE);
+ if (svp)
+ bits = (I32)SvIV(*svp);
+
+ Newz(801, d, len * (bits >> 3) + 1, U8);
+ dst = d;
+ }
else {
d = s;
- p = send;
+ dst = 0;
+ }
+
+ if (squash) {
+ UV puv = 0xfeedface;
while (s < send) {
- if ((ch = tbl[*s]) >= 0) {
- *d = ch;
+ if (from_utf) {
+ uv = swash_fetch(rv, s);
+ }
+ else {
+ U8 tmpbuf[2];
+ uv = *s++;
+ if (uv < 0x80)
+ tmpbuf[0] = uv;
+ else {
+ tmpbuf[0] = (( uv >> 6) | 0xc0);
+ tmpbuf[1] = (( uv & 0x3f) | 0x80);
+ }
+ uv = swash_fetch(rv, tmpbuf);
+ }
+ if (uv < none) {
matches++;
- if (squash) {
- if (p == d - 1 && *p == *d)
- matches--;
+ if (uv != puv) {
+ if (uv >= 0x80 && to_utf)
+ d = uv_to_utf8(d, uv);
else
- p = d++;
+ *d++ = (U8)uv;
+ puv = uv;
}
+ if (from_utf)
+ s += UTF8SKIP(s);
+ continue;
+ }
+ else if (uv == none) { /* "none" is unmapped character */
+ if (from_utf) {
+ if (*s < 0x80)
+ *d++ = *s++;
+ else if (to_utf) {
+ int i;
+ for (i = UTF8SKIP(s); i; --i)
+ *d++ = *s++;
+ }
+ else {
+ I32 ulen;
+ *d++ = (U8)utf8_to_uv(s, &ulen);
+ s += ulen;
+ }
+ }
+ else { /* must be to_utf only */
+ d = uv_to_utf8(d, s[-1]);
+ }
+ puv = 0xfeedface;
+ continue;
+ }
+ else if (uv == extra && !del) {
+ matches++;
+ if (uv != puv) {
+ if (final >= 0x80 && to_utf)
+ d = uv_to_utf8(d, final);
+ else
+ *d++ = (U8)final;
+ puv = final;
+ }
+ if (from_utf)
+ s += UTF8SKIP(s);
+ continue;
+ }
+ matches++; /* "none+1" is delete character */
+ if (from_utf)
+ s += UTF8SKIP(s);
+ }
+ }
+ else {
+ while (s < send) {
+ if (from_utf) {
+ uv = swash_fetch(rv, s);
+ }
+ else {
+ U8 tmpbuf[2];
+ uv = *s++;
+ if (uv < 0x80)
+ tmpbuf[0] = uv;
+ else {
+ tmpbuf[0] = (( uv >> 6) | 0xc0);
+ tmpbuf[1] = (( uv & 0x3f) | 0x80);
+ }
+ uv = swash_fetch(rv, tmpbuf);
+ }
+ if (uv < none) {
+ matches++;
+ if (uv >= 0x80 && to_utf)
+ d = uv_to_utf8(d, uv);
else
- d++;
+ *d++ = (U8)uv;
+ if (from_utf)
+ s += UTF8SKIP(s);
+ continue;
}
- else if (ch == -1) /* -1 is unmapped character */
- *d++ = *s; /* -2 is delete character */
- s++;
+ else if (uv == none) { /* "none" is unmapped character */
+ if (from_utf) {
+ if (*s < 0x80)
+ *d++ = *s++;
+ else if (to_utf) {
+ int i;
+ for (i = UTF8SKIP(s); i; --i)
+ *d++ = *s++;
+ }
+ else {
+ I32 ulen;
+ *d++ = (U8)utf8_to_uv(s, &ulen);
+ s += ulen;
+ }
+ }
+ else { /* must be to_utf only */
+ d = uv_to_utf8(d, s[-1]);
+ }
+ continue;
+ }
+ else if (uv == extra && !del) {
+ matches++;
+ if (final >= 0x80 && to_utf)
+ d = uv_to_utf8(d, final);
+ else
+ *d++ = (U8)final;
+ if (from_utf)
+ s += UTF8SKIP(s);
+ continue;
+ }
+ matches++; /* "none+1" is delete character */
+ if (from_utf)
+ s += UTF8SKIP(s);
}
- matches += send - d; /* account for disappeared chars */
+ }
+ if (dst)
+ sv_usepvn(sv, (char*)dst, d - dst);
+ else {
*d = '\0';
SvCUR_set(sv, d - (U8*)SvPVX(sv));
- SvSETMAGIC(sv);
}
+ SvSETMAGIC(sv);
+
return matches;
}
+I32
+do_trans(SV *sv)
+{
+ dTHR;
+ STRLEN len;
+
+ if (SvREADONLY(sv) && !(PL_op->op_private & OPpTRANS_IDENTICAL))
+ croak(PL_no_modify);
+
+ (void)SvPV(sv, len);
+ if (!len)
+ return 0;
+ if (!SvPOKp(sv))
+ (void)SvPV_force(sv, len);
+ (void)SvPOK_only(sv);
+
+ DEBUG_t( deb("2.TBL\n"));
+
+ switch (PL_op->op_private & 63) {
+ case 0:
+ return do_trans_CC_simple(sv);
+
+ case OPpTRANS_FROM_UTF:
+ return do_trans_UC_simple(sv);
+
+ case OPpTRANS_TO_UTF:
+ return do_trans_CU_simple(sv);
+
+ case OPpTRANS_FROM_UTF|OPpTRANS_TO_UTF:
+ return do_trans_UU_simple(sv);
+
+ case OPpTRANS_IDENTICAL:
+ return do_trans_CC_count(sv);
+
+ case OPpTRANS_FROM_UTF|OPpTRANS_IDENTICAL:
+ return do_trans_UC_trivial(sv);
+
+ case OPpTRANS_TO_UTF|OPpTRANS_IDENTICAL:
+ return do_trans_CU_trivial(sv);
+
+ case OPpTRANS_FROM_UTF|OPpTRANS_TO_UTF|OPpTRANS_IDENTICAL:
+ return do_trans_UU_count(sv);
+
+ default:
+ if (PL_op->op_private & (OPpTRANS_FROM_UTF|OPpTRANS_TO_UTF))
+ return do_trans_UU_complex(sv); /* could be UC or CU too */
+ else
+ return do_trans_CC_complex(sv);
+ }
+}
+
void
do_join(register SV *sv, SV *del, register SV **mark, register SV **sp)
{
mark++;
len = (items > 0 ? (delimlen * (items - 1) ) : 0);
- if (SvTYPE(sv) < SVt_PV)
- sv_upgrade(sv, SVt_PV);
+ (void)SvUPGRADE(sv, SVt_PV);
if (SvLEN(sv) < len + items) { /* current length is way too short */
while (items-- > 0) {
if (*mark && !SvGMAGICAL(*mark) && SvOK(*mark)) {
{
STRLEN len;
char *s;
+ dTHR;
if (SvTYPE(sv) == SVt_PVAV) {
register I32 i;
s = SvPV(sv, len);
if (len && !SvPOK(sv))
s = SvPV_force(sv, len);
+ if (IN_UTF8) {
+ if (s && len) {
+ char *send = s + len;
+ char *start = s;
+ s = send - 1;
+ while ((*s & 0xc0) == 0x80)
+ --s;
+ if (UTF8SKIP(s) != send - s)
+ warn("Malformed UTF-8 character");
+ sv_setpvn(astr, s, send - s);
+ *s = '\0';
+ SvCUR_set(sv, s - start);
+ SvNIOK_off(sv);
+ }
+ else
+ sv_setpvn(astr, "", 0);
+ }
+ else
if (s && len) {
s += --len;
sv_setpvn(astr, s, 1);
RETURN;
}
- if (!SvRMAGICAL(keys) || !mg_find((SV*)keys,'P'))
+ if (! SvTIED_mg((SV*)keys, 'P'))
i = HvKEYS(keys);
else {
i = 0;
if (dokeys)
XPUSHs(hv_iterkeysv(entry)); /* won't clobber stack_sp */
if (dovalues) {
- tmpstr = sv_newmortal();
PUTBACK;
- sv_setsv(tmpstr,realhv ?
- hv_iterval(hv,entry) : avhv_iterval((AV*)hv,entry));
+ tmpstr = realhv ?
+ hv_iterval(hv,entry) : avhv_iterval((AV*)hv,entry);
DEBUG_H(sv_setpvf(tmpstr, "%lu%%%d=%lu",
(unsigned long)HeHASH(entry),
HvMAX(keys)+1,
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