diff options
Diffstat (limited to 'doop.c')
| -rw-r--r-- | doop.c | 212 |
1 files changed, 9 insertions, 203 deletions
@@ -214,188 +214,6 @@ S_do_trans_UU_count(pTHX_ SV *sv) } STATIC I32 -S_do_trans_UC_simple(pTHX_ 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 -S_do_trans_CU_simple(pTHX_ 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[UTF8_MAXLEN]; - 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 -S_do_trans_UC_trivial(pTHX_ 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 -S_do_trans_CU_trivial(pTHX_ 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 S_do_trans_UU_complex(pTHX_ SV *sv) { dTHR; @@ -601,31 +419,19 @@ Perl_do_trans(pTHX_ SV *sv) 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); + if (SvUTF8(sv)) + return do_trans_UU_simple(sv); + else + return do_trans_CC_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); + if (SvUTF8(sv)) + return do_trans_UU_count(sv); + else + return do_trans_CC_count(sv); default: - if (PL_op->op_private & (OPpTRANS_FROM_UTF|OPpTRANS_TO_UTF)) + if (SvUTF8(sv)) return do_trans_UU_complex(sv); /* could be UC or CU too */ else return do_trans_CC_complex(sv); |