[10723] | 1 | /* doop.c |
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| 2 | * |
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[14544] | 3 | * Copyright (c) 1991-2000, Larry Wall |
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[10723] | 4 | * |
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| 5 | * You may distribute under the terms of either the GNU General Public |
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| 6 | * License or the Artistic License, as specified in the README file. |
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| 7 | * |
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| 8 | */ |
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| 9 | |
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| 10 | /* |
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| 11 | * "'So that was the job I felt I had to do when I started,' thought Sam." |
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| 12 | */ |
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| 13 | |
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| 14 | #include "EXTERN.h" |
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[14544] | 15 | #define PERL_IN_DOOP_C |
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[10723] | 16 | #include "perl.h" |
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| 17 | |
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| 18 | #if !defined(NSIG) || defined(M_UNIX) || defined(M_XENIX) |
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| 19 | #include <signal.h> |
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| 20 | #endif |
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| 21 | |
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[14544] | 22 | STATIC I32 |
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| 23 | S_do_trans_CC_simple(pTHX_ SV *sv) |
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[10723] | 24 | { |
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[14544] | 25 | dTHR; |
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| 26 | U8 *s; |
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| 27 | U8 *send; |
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| 28 | I32 matches = 0; |
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[10723] | 29 | STRLEN len; |
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[14544] | 30 | short *tbl; |
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| 31 | I32 ch; |
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[10723] | 32 | |
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| 33 | tbl = (short*)cPVOP->op_pv; |
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[14544] | 34 | if (!tbl) |
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| 35 | Perl_croak(aTHX_ "panic: do_trans"); |
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| 36 | |
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[10723] | 37 | s = (U8*)SvPV(sv, len); |
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| 38 | send = s + len; |
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[14544] | 39 | |
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| 40 | while (s < send) { |
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| 41 | if ((ch = tbl[*s]) >= 0) { |
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| 42 | matches++; |
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| 43 | *s = ch; |
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| 44 | } |
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| 45 | s++; |
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| 46 | } |
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| 47 | SvSETMAGIC(sv); |
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| 48 | |
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| 49 | return matches; |
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| 50 | } |
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| 51 | |
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| 52 | STATIC I32 |
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| 53 | S_do_trans_CC_count(pTHX_ SV *sv) |
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| 54 | { |
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| 55 | dTHR; |
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| 56 | U8 *s; |
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| 57 | U8 *send; |
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| 58 | I32 matches = 0; |
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| 59 | STRLEN len; |
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| 60 | short *tbl; |
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| 61 | |
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| 62 | tbl = (short*)cPVOP->op_pv; |
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| 63 | if (!tbl) |
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| 64 | Perl_croak(aTHX_ "panic: do_trans"); |
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| 65 | |
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| 66 | s = (U8*)SvPV(sv, len); |
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| 67 | send = s + len; |
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| 68 | |
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| 69 | while (s < send) { |
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| 70 | if (tbl[*s] >= 0) |
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| 71 | matches++; |
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| 72 | s++; |
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| 73 | } |
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| 74 | |
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| 75 | return matches; |
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| 76 | } |
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| 77 | |
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| 78 | STATIC I32 |
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| 79 | S_do_trans_CC_complex(pTHX_ SV *sv) |
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| 80 | { |
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| 81 | dTHR; |
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| 82 | U8 *s; |
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| 83 | U8 *send; |
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| 84 | U8 *d; |
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| 85 | I32 matches = 0; |
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| 86 | STRLEN len; |
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| 87 | short *tbl; |
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| 88 | I32 ch; |
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| 89 | |
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| 90 | tbl = (short*)cPVOP->op_pv; |
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| 91 | if (!tbl) |
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| 92 | Perl_croak(aTHX_ "panic: do_trans"); |
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| 93 | |
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| 94 | s = (U8*)SvPV(sv, len); |
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| 95 | send = s + len; |
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| 96 | |
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| 97 | d = s; |
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| 98 | if (PL_op->op_private & OPpTRANS_SQUASH) { |
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| 99 | U8* p = send; |
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| 100 | |
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[10723] | 101 | while (s < send) { |
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| 102 | if ((ch = tbl[*s]) >= 0) { |
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[14544] | 103 | *d = ch; |
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[10723] | 104 | matches++; |
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[14544] | 105 | if (p == d - 1 && *p == *d) |
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| 106 | matches--; |
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| 107 | else |
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| 108 | p = d++; |
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[10723] | 109 | } |
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[14544] | 110 | else if (ch == -1) /* -1 is unmapped character */ |
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| 111 | *d++ = *s; /* -2 is delete character */ |
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[10723] | 112 | s++; |
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| 113 | } |
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| 114 | } |
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| 115 | else { |
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| 116 | while (s < send) { |
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| 117 | if ((ch = tbl[*s]) >= 0) { |
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| 118 | *d = ch; |
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[14544] | 119 | matches++; |
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| 120 | d++; |
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[10723] | 121 | } |
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| 122 | else if (ch == -1) /* -1 is unmapped character */ |
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| 123 | *d++ = *s; /* -2 is delete character */ |
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| 124 | s++; |
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| 125 | } |
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[14544] | 126 | } |
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| 127 | matches += send - d; /* account for disappeared chars */ |
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| 128 | *d = '\0'; |
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| 129 | SvCUR_set(sv, d - (U8*)SvPVX(sv)); |
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| 130 | SvSETMAGIC(sv); |
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| 131 | |
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| 132 | return matches; |
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| 133 | } |
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| 134 | |
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| 135 | STATIC I32 |
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| 136 | S_do_trans_UU_simple(pTHX_ SV *sv) |
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| 137 | { |
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| 138 | dTHR; |
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| 139 | U8 *s; |
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| 140 | U8 *send; |
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| 141 | U8 *d; |
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| 142 | I32 matches = 0; |
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| 143 | STRLEN len; |
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| 144 | |
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| 145 | SV* rv = (SV*)cSVOP->op_sv; |
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| 146 | HV* hv = (HV*)SvRV(rv); |
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| 147 | SV** svp = hv_fetch(hv, "NONE", 4, FALSE); |
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| 148 | UV none = svp ? SvUV(*svp) : 0x7fffffff; |
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| 149 | UV extra = none + 1; |
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| 150 | UV final; |
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| 151 | UV uv; |
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| 152 | |
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| 153 | s = (U8*)SvPV(sv, len); |
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| 154 | send = s + len; |
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| 155 | |
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| 156 | svp = hv_fetch(hv, "FINAL", 5, FALSE); |
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| 157 | if (svp) |
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| 158 | final = SvUV(*svp); |
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| 159 | |
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| 160 | d = s; |
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| 161 | while (s < send) { |
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| 162 | if ((uv = swash_fetch(rv, s)) < none) { |
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| 163 | s += UTF8SKIP(s); |
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| 164 | matches++; |
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| 165 | d = uv_to_utf8(d, uv); |
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| 166 | } |
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| 167 | else if (uv == none) { |
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| 168 | int i; |
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| 169 | for (i = UTF8SKIP(s); i; i--) |
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| 170 | *d++ = *s++; |
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| 171 | } |
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| 172 | else if (uv == extra) { |
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| 173 | s += UTF8SKIP(s); |
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| 174 | matches++; |
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| 175 | d = uv_to_utf8(d, final); |
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| 176 | } |
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| 177 | else |
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| 178 | s += UTF8SKIP(s); |
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| 179 | } |
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| 180 | *d = '\0'; |
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| 181 | SvCUR_set(sv, d - (U8*)SvPVX(sv)); |
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| 182 | SvSETMAGIC(sv); |
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| 183 | |
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| 184 | return matches; |
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| 185 | } |
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| 186 | |
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| 187 | STATIC I32 |
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| 188 | S_do_trans_UU_count(pTHX_ SV *sv) |
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| 189 | { |
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| 190 | dTHR; |
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| 191 | U8 *s; |
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| 192 | U8 *send; |
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| 193 | I32 matches = 0; |
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| 194 | STRLEN len; |
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| 195 | |
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| 196 | SV* rv = (SV*)cSVOP->op_sv; |
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| 197 | HV* hv = (HV*)SvRV(rv); |
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| 198 | SV** svp = hv_fetch(hv, "NONE", 4, FALSE); |
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| 199 | UV none = svp ? SvUV(*svp) : 0x7fffffff; |
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| 200 | UV uv; |
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| 201 | |
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| 202 | s = (U8*)SvPV(sv, len); |
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| 203 | send = s + len; |
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| 204 | |
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| 205 | while (s < send) { |
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| 206 | if ((uv = swash_fetch(rv, s)) < none) |
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| 207 | matches++; |
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| 208 | s += UTF8SKIP(s); |
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| 209 | } |
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| 210 | |
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| 211 | return matches; |
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| 212 | } |
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| 213 | |
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| 214 | STATIC I32 |
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| 215 | S_do_trans_UC_simple(pTHX_ SV *sv) |
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| 216 | { |
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| 217 | dTHR; |
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| 218 | U8 *s; |
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| 219 | U8 *send; |
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| 220 | U8 *d; |
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| 221 | I32 matches = 0; |
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| 222 | STRLEN len; |
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| 223 | |
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| 224 | SV* rv = (SV*)cSVOP->op_sv; |
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| 225 | HV* hv = (HV*)SvRV(rv); |
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| 226 | SV** svp = hv_fetch(hv, "NONE", 4, FALSE); |
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| 227 | UV none = svp ? SvUV(*svp) : 0x7fffffff; |
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| 228 | UV extra = none + 1; |
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| 229 | UV final; |
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| 230 | UV uv; |
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| 231 | |
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| 232 | s = (U8*)SvPV(sv, len); |
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| 233 | send = s + len; |
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| 234 | |
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| 235 | svp = hv_fetch(hv, "FINAL", 5, FALSE); |
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| 236 | if (svp) |
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| 237 | final = SvUV(*svp); |
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| 238 | |
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| 239 | d = s; |
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| 240 | while (s < send) { |
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| 241 | if ((uv = swash_fetch(rv, s)) < none) { |
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| 242 | s += UTF8SKIP(s); |
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| 243 | matches++; |
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| 244 | *d++ = (U8)uv; |
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| 245 | } |
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| 246 | else if (uv == none) { |
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| 247 | I32 ulen; |
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| 248 | uv = utf8_to_uv(s, &ulen); |
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| 249 | s += ulen; |
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| 250 | *d++ = (U8)uv; |
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| 251 | } |
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| 252 | else if (uv == extra) { |
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| 253 | s += UTF8SKIP(s); |
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| 254 | matches++; |
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| 255 | *d++ = (U8)final; |
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| 256 | } |
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| 257 | else |
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| 258 | s += UTF8SKIP(s); |
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| 259 | } |
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| 260 | *d = '\0'; |
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| 261 | SvCUR_set(sv, d - (U8*)SvPVX(sv)); |
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| 262 | SvSETMAGIC(sv); |
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| 263 | |
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| 264 | return matches; |
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| 265 | } |
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| 266 | |
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| 267 | STATIC I32 |
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| 268 | S_do_trans_CU_simple(pTHX_ SV *sv) |
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| 269 | { |
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| 270 | dTHR; |
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| 271 | U8 *s; |
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| 272 | U8 *send; |
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| 273 | U8 *d; |
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| 274 | U8 *dst; |
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| 275 | I32 matches = 0; |
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| 276 | STRLEN len; |
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| 277 | |
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| 278 | SV* rv = (SV*)cSVOP->op_sv; |
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| 279 | HV* hv = (HV*)SvRV(rv); |
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| 280 | SV** svp = hv_fetch(hv, "NONE", 4, FALSE); |
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| 281 | UV none = svp ? SvUV(*svp) : 0x7fffffff; |
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| 282 | UV extra = none + 1; |
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| 283 | UV final; |
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| 284 | UV uv; |
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| 285 | U8 tmpbuf[UTF8_MAXLEN]; |
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| 286 | I32 bits = 16; |
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| 287 | |
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| 288 | s = (U8*)SvPV(sv, len); |
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| 289 | send = s + len; |
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| 290 | |
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| 291 | svp = hv_fetch(hv, "BITS", 4, FALSE); |
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| 292 | if (svp) |
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| 293 | bits = (I32)SvIV(*svp); |
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| 294 | |
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| 295 | svp = hv_fetch(hv, "FINAL", 5, FALSE); |
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| 296 | if (svp) |
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| 297 | final = SvUV(*svp); |
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| 298 | |
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| 299 | Newz(801, d, len * (bits >> 3) + 1, U8); |
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| 300 | dst = d; |
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| 301 | |
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| 302 | while (s < send) { |
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| 303 | uv = *s++; |
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| 304 | if (uv < 0x80) |
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| 305 | tmpbuf[0] = uv; |
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| 306 | else { |
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| 307 | tmpbuf[0] = (( uv >> 6) | 0xc0); |
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| 308 | tmpbuf[1] = (( uv & 0x3f) | 0x80); |
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| 309 | } |
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| 310 | |
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| 311 | if ((uv = swash_fetch(rv, tmpbuf)) < none) { |
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| 312 | matches++; |
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| 313 | d = uv_to_utf8(d, uv); |
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| 314 | } |
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| 315 | else if (uv == none) |
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| 316 | d = uv_to_utf8(d, s[-1]); |
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| 317 | else if (uv == extra) { |
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| 318 | matches++; |
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| 319 | d = uv_to_utf8(d, final); |
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| 320 | } |
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| 321 | } |
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| 322 | *d = '\0'; |
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| 323 | sv_usepvn_mg(sv, (char*)dst, d - dst); |
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| 324 | |
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| 325 | return matches; |
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| 326 | } |
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| 327 | |
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| 328 | /* utf-8 to latin-1 */ |
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| 329 | |
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| 330 | STATIC I32 |
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| 331 | S_do_trans_UC_trivial(pTHX_ SV *sv) |
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| 332 | { |
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| 333 | dTHR; |
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| 334 | U8 *s; |
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| 335 | U8 *send; |
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| 336 | U8 *d; |
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| 337 | STRLEN len; |
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| 338 | |
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| 339 | s = (U8*)SvPV(sv, len); |
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| 340 | send = s + len; |
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| 341 | |
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| 342 | d = s; |
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| 343 | while (s < send) { |
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| 344 | if (*s < 0x80) |
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| 345 | *d++ = *s++; |
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| 346 | else { |
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| 347 | I32 ulen; |
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| 348 | UV uv = utf8_to_uv(s, &ulen); |
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| 349 | s += ulen; |
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| 350 | *d++ = (U8)uv; |
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| 351 | } |
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| 352 | } |
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| 353 | *d = '\0'; |
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| 354 | SvCUR_set(sv, d - (U8*)SvPVX(sv)); |
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| 355 | SvSETMAGIC(sv); |
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| 356 | |
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| 357 | return SvCUR(sv); |
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| 358 | } |
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| 359 | |
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| 360 | /* latin-1 to utf-8 */ |
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| 361 | |
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| 362 | STATIC I32 |
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| 363 | S_do_trans_CU_trivial(pTHX_ SV *sv) |
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| 364 | { |
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| 365 | dTHR; |
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| 366 | U8 *s; |
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| 367 | U8 *send; |
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| 368 | U8 *d; |
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| 369 | U8 *dst; |
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| 370 | I32 matches; |
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| 371 | STRLEN len; |
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| 372 | |
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| 373 | s = (U8*)SvPV(sv, len); |
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| 374 | send = s + len; |
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| 375 | |
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| 376 | Newz(801, d, len * 2 + 1, U8); |
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| 377 | dst = d; |
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| 378 | |
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| 379 | matches = send - s; |
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| 380 | |
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| 381 | while (s < send) { |
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| 382 | if (*s < 0x80) |
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| 383 | *d++ = *s++; |
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| 384 | else { |
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| 385 | UV uv = *s++; |
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| 386 | *d++ = (( uv >> 6) | 0xc0); |
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| 387 | *d++ = (( uv & 0x3f) | 0x80); |
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| 388 | } |
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| 389 | } |
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| 390 | *d = '\0'; |
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| 391 | sv_usepvn_mg(sv, (char*)dst, d - dst); |
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| 392 | |
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| 393 | return matches; |
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| 394 | } |
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| 395 | |
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| 396 | STATIC I32 |
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| 397 | S_do_trans_UU_complex(pTHX_ SV *sv) |
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| 398 | { |
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| 399 | dTHR; |
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| 400 | U8 *s; |
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| 401 | U8 *send; |
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| 402 | U8 *d; |
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| 403 | I32 matches = 0; |
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| 404 | I32 squash = PL_op->op_private & OPpTRANS_SQUASH; |
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| 405 | I32 from_utf = PL_op->op_private & OPpTRANS_FROM_UTF; |
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| 406 | I32 to_utf = PL_op->op_private & OPpTRANS_TO_UTF; |
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| 407 | I32 del = PL_op->op_private & OPpTRANS_DELETE; |
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| 408 | SV* rv = (SV*)cSVOP->op_sv; |
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| 409 | HV* hv = (HV*)SvRV(rv); |
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| 410 | SV** svp = hv_fetch(hv, "NONE", 4, FALSE); |
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| 411 | UV none = svp ? SvUV(*svp) : 0x7fffffff; |
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| 412 | UV extra = none + 1; |
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| 413 | UV final; |
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| 414 | UV uv; |
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| 415 | STRLEN len; |
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| 416 | U8 *dst; |
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| 417 | |
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| 418 | s = (U8*)SvPV(sv, len); |
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| 419 | send = s + len; |
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| 420 | |
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| 421 | svp = hv_fetch(hv, "FINAL", 5, FALSE); |
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| 422 | if (svp) |
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| 423 | final = SvUV(*svp); |
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| 424 | |
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| 425 | if (PL_op->op_private & OPpTRANS_GROWS) { |
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| 426 | I32 bits = 16; |
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| 427 | |
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| 428 | svp = hv_fetch(hv, "BITS", 4, FALSE); |
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| 429 | if (svp) |
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| 430 | bits = (I32)SvIV(*svp); |
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| 431 | |
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| 432 | Newz(801, d, len * (bits >> 3) + 1, U8); |
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| 433 | dst = d; |
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| 434 | } |
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| 435 | else { |
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| 436 | d = s; |
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| 437 | dst = 0; |
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| 438 | } |
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| 439 | |
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| 440 | if (squash) { |
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| 441 | UV puv = 0xfeedface; |
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| 442 | while (s < send) { |
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| 443 | if (from_utf) { |
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| 444 | uv = swash_fetch(rv, s); |
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| 445 | } |
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| 446 | else { |
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| 447 | U8 tmpbuf[2]; |
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| 448 | uv = *s++; |
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| 449 | if (uv < 0x80) |
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| 450 | tmpbuf[0] = uv; |
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| 451 | else { |
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| 452 | tmpbuf[0] = (( uv >> 6) | 0xc0); |
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| 453 | tmpbuf[1] = (( uv & 0x3f) | 0x80); |
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| 454 | } |
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| 455 | uv = swash_fetch(rv, tmpbuf); |
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| 456 | } |
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| 457 | if (uv < none) { |
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| 458 | matches++; |
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| 459 | if (uv != puv) { |
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| 460 | if (uv >= 0x80 && to_utf) |
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| 461 | d = uv_to_utf8(d, uv); |
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| 462 | else |
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| 463 | *d++ = (U8)uv; |
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| 464 | puv = uv; |
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| 465 | } |
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| 466 | if (from_utf) |
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| 467 | s += UTF8SKIP(s); |
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| 468 | continue; |
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| 469 | } |
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| 470 | else if (uv == none) { /* "none" is unmapped character */ |
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| 471 | if (from_utf) { |
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| 472 | if (*s < 0x80) |
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| 473 | *d++ = *s++; |
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| 474 | else if (to_utf) { |
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| 475 | int i; |
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| 476 | for (i = UTF8SKIP(s); i; --i) |
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| 477 | *d++ = *s++; |
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| 478 | } |
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| 479 | else { |
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| 480 | I32 ulen; |
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| 481 | *d++ = (U8)utf8_to_uv(s, &ulen); |
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| 482 | s += ulen; |
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| 483 | } |
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| 484 | } |
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| 485 | else { /* must be to_utf only */ |
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| 486 | d = uv_to_utf8(d, s[-1]); |
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| 487 | } |
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| 488 | puv = 0xfeedface; |
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| 489 | continue; |
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| 490 | } |
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| 491 | else if (uv == extra && !del) { |
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| 492 | matches++; |
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| 493 | if (uv != puv) { |
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| 494 | if (final >= 0x80 && to_utf) |
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| 495 | d = uv_to_utf8(d, final); |
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| 496 | else |
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| 497 | *d++ = (U8)final; |
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| 498 | puv = final; |
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| 499 | } |
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| 500 | if (from_utf) |
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| 501 | s += UTF8SKIP(s); |
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| 502 | continue; |
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| 503 | } |
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| 504 | matches++; /* "none+1" is delete character */ |
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| 505 | if (from_utf) |
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| 506 | s += UTF8SKIP(s); |
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| 507 | } |
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| 508 | } |
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| 509 | else { |
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| 510 | while (s < send) { |
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| 511 | if (from_utf) { |
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| 512 | uv = swash_fetch(rv, s); |
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| 513 | } |
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| 514 | else { |
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| 515 | U8 tmpbuf[2]; |
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| 516 | uv = *s++; |
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| 517 | if (uv < 0x80) |
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| 518 | tmpbuf[0] = uv; |
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| 519 | else { |
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| 520 | tmpbuf[0] = (( uv >> 6) | 0xc0); |
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| 521 | tmpbuf[1] = (( uv & 0x3f) | 0x80); |
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| 522 | } |
---|
| 523 | uv = swash_fetch(rv, tmpbuf); |
---|
| 524 | } |
---|
| 525 | if (uv < none) { |
---|
| 526 | matches++; |
---|
| 527 | if (uv >= 0x80 && to_utf) |
---|
| 528 | d = uv_to_utf8(d, uv); |
---|
| 529 | else |
---|
| 530 | *d++ = (U8)uv; |
---|
| 531 | if (from_utf) |
---|
| 532 | s += UTF8SKIP(s); |
---|
| 533 | continue; |
---|
| 534 | } |
---|
| 535 | else if (uv == none) { /* "none" is unmapped character */ |
---|
| 536 | if (from_utf) { |
---|
| 537 | if (*s < 0x80) |
---|
| 538 | *d++ = *s++; |
---|
| 539 | else if (to_utf) { |
---|
| 540 | int i; |
---|
| 541 | for (i = UTF8SKIP(s); i; --i) |
---|
| 542 | *d++ = *s++; |
---|
| 543 | } |
---|
| 544 | else { |
---|
| 545 | I32 ulen; |
---|
| 546 | *d++ = (U8)utf8_to_uv(s, &ulen); |
---|
| 547 | s += ulen; |
---|
| 548 | } |
---|
| 549 | } |
---|
| 550 | else { /* must be to_utf only */ |
---|
| 551 | d = uv_to_utf8(d, s[-1]); |
---|
| 552 | } |
---|
| 553 | continue; |
---|
| 554 | } |
---|
| 555 | else if (uv == extra && !del) { |
---|
| 556 | matches++; |
---|
| 557 | if (final >= 0x80 && to_utf) |
---|
| 558 | d = uv_to_utf8(d, final); |
---|
| 559 | else |
---|
| 560 | *d++ = (U8)final; |
---|
| 561 | if (from_utf) |
---|
| 562 | s += UTF8SKIP(s); |
---|
| 563 | continue; |
---|
| 564 | } |
---|
| 565 | matches++; /* "none+1" is delete character */ |
---|
| 566 | if (from_utf) |
---|
| 567 | s += UTF8SKIP(s); |
---|
| 568 | } |
---|
| 569 | } |
---|
| 570 | if (dst) |
---|
| 571 | sv_usepvn(sv, (char*)dst, d - dst); |
---|
| 572 | else { |
---|
[10723] | 573 | *d = '\0'; |
---|
| 574 | SvCUR_set(sv, d - (U8*)SvPVX(sv)); |
---|
| 575 | } |
---|
| 576 | SvSETMAGIC(sv); |
---|
[14544] | 577 | |
---|
[10723] | 578 | return matches; |
---|
| 579 | } |
---|
| 580 | |
---|
[14544] | 581 | I32 |
---|
| 582 | Perl_do_trans(pTHX_ SV *sv) |
---|
| 583 | { |
---|
| 584 | dTHR; |
---|
| 585 | STRLEN len; |
---|
| 586 | |
---|
| 587 | if (SvREADONLY(sv) && !(PL_op->op_private & OPpTRANS_IDENTICAL)) |
---|
| 588 | Perl_croak(aTHX_ PL_no_modify); |
---|
| 589 | |
---|
| 590 | (void)SvPV(sv, len); |
---|
| 591 | if (!len) |
---|
| 592 | return 0; |
---|
| 593 | if (!SvPOKp(sv)) |
---|
| 594 | (void)SvPV_force(sv, len); |
---|
| 595 | (void)SvPOK_only(sv); |
---|
| 596 | |
---|
| 597 | DEBUG_t( Perl_deb(aTHX_ "2.TBL\n")); |
---|
| 598 | |
---|
| 599 | switch (PL_op->op_private & 63) { |
---|
| 600 | case 0: |
---|
| 601 | return do_trans_CC_simple(sv); |
---|
| 602 | |
---|
| 603 | case OPpTRANS_FROM_UTF: |
---|
| 604 | return do_trans_UC_simple(sv); |
---|
| 605 | |
---|
| 606 | case OPpTRANS_TO_UTF: |
---|
| 607 | return do_trans_CU_simple(sv); |
---|
| 608 | |
---|
| 609 | case OPpTRANS_FROM_UTF|OPpTRANS_TO_UTF: |
---|
| 610 | return do_trans_UU_simple(sv); |
---|
| 611 | |
---|
| 612 | case OPpTRANS_IDENTICAL: |
---|
| 613 | return do_trans_CC_count(sv); |
---|
| 614 | |
---|
| 615 | case OPpTRANS_FROM_UTF|OPpTRANS_IDENTICAL: |
---|
| 616 | return do_trans_UC_trivial(sv); |
---|
| 617 | |
---|
| 618 | case OPpTRANS_TO_UTF|OPpTRANS_IDENTICAL: |
---|
| 619 | return do_trans_CU_trivial(sv); |
---|
| 620 | |
---|
| 621 | case OPpTRANS_FROM_UTF|OPpTRANS_TO_UTF|OPpTRANS_IDENTICAL: |
---|
| 622 | return do_trans_UU_count(sv); |
---|
| 623 | |
---|
| 624 | default: |
---|
| 625 | if (PL_op->op_private & (OPpTRANS_FROM_UTF|OPpTRANS_TO_UTF)) |
---|
| 626 | return do_trans_UU_complex(sv); /* could be UC or CU too */ |
---|
| 627 | else |
---|
| 628 | return do_trans_CC_complex(sv); |
---|
| 629 | } |
---|
| 630 | } |
---|
| 631 | |
---|
[10723] | 632 | void |
---|
[14544] | 633 | Perl_do_join(pTHX_ register SV *sv, SV *del, register SV **mark, register SV **sp) |
---|
[10723] | 634 | { |
---|
| 635 | SV **oldmark = mark; |
---|
| 636 | register I32 items = sp - mark; |
---|
| 637 | register STRLEN len; |
---|
| 638 | STRLEN delimlen; |
---|
| 639 | register char *delim = SvPV(del, delimlen); |
---|
| 640 | STRLEN tmplen; |
---|
| 641 | |
---|
| 642 | mark++; |
---|
| 643 | len = (items > 0 ? (delimlen * (items - 1) ) : 0); |
---|
[14544] | 644 | (void)SvUPGRADE(sv, SVt_PV); |
---|
[10723] | 645 | if (SvLEN(sv) < len + items) { /* current length is way too short */ |
---|
| 646 | while (items-- > 0) { |
---|
[14544] | 647 | if (*mark && !SvGMAGICAL(*mark) && SvOK(*mark)) { |
---|
[10723] | 648 | SvPV(*mark, tmplen); |
---|
| 649 | len += tmplen; |
---|
| 650 | } |
---|
| 651 | mark++; |
---|
| 652 | } |
---|
| 653 | SvGROW(sv, len + 1); /* so try to pre-extend */ |
---|
| 654 | |
---|
| 655 | mark = oldmark; |
---|
[14544] | 656 | items = sp - mark; |
---|
[10723] | 657 | ++mark; |
---|
| 658 | } |
---|
| 659 | |
---|
| 660 | if (items-- > 0) { |
---|
| 661 | char *s; |
---|
| 662 | |
---|
| 663 | if (*mark) { |
---|
| 664 | s = SvPV(*mark, tmplen); |
---|
| 665 | sv_setpvn(sv, s, tmplen); |
---|
| 666 | } |
---|
| 667 | else |
---|
| 668 | sv_setpv(sv, ""); |
---|
| 669 | mark++; |
---|
| 670 | } |
---|
| 671 | else |
---|
| 672 | sv_setpv(sv,""); |
---|
| 673 | len = delimlen; |
---|
| 674 | if (len) { |
---|
| 675 | for (; items > 0; items--,mark++) { |
---|
| 676 | sv_catpvn(sv,delim,len); |
---|
| 677 | sv_catsv(sv,*mark); |
---|
| 678 | } |
---|
| 679 | } |
---|
| 680 | else { |
---|
| 681 | for (; items > 0; items--,mark++) |
---|
| 682 | sv_catsv(sv,*mark); |
---|
| 683 | } |
---|
| 684 | SvSETMAGIC(sv); |
---|
| 685 | } |
---|
| 686 | |
---|
| 687 | void |
---|
[14544] | 688 | Perl_do_sprintf(pTHX_ SV *sv, I32 len, SV **sarg) |
---|
[10723] | 689 | { |
---|
| 690 | STRLEN patlen; |
---|
| 691 | char *pat = SvPV(*sarg, patlen); |
---|
| 692 | bool do_taint = FALSE; |
---|
| 693 | |
---|
| 694 | sv_vsetpvfn(sv, pat, patlen, Null(va_list*), sarg + 1, len - 1, &do_taint); |
---|
| 695 | SvSETMAGIC(sv); |
---|
| 696 | if (do_taint) |
---|
| 697 | SvTAINTED_on(sv); |
---|
| 698 | } |
---|
| 699 | |
---|
[14544] | 700 | UV |
---|
| 701 | Perl_do_vecget(pTHX_ SV *sv, I32 offset, I32 size) |
---|
| 702 | { |
---|
| 703 | STRLEN srclen, len; |
---|
| 704 | unsigned char *s = (unsigned char *) SvPV(sv, srclen); |
---|
| 705 | UV retnum = 0; |
---|
| 706 | |
---|
| 707 | if (offset < 0) |
---|
| 708 | return retnum; |
---|
| 709 | if (size < 1 || (size & (size-1))) /* size < 1 or not a power of two */ |
---|
| 710 | Perl_croak(aTHX_ "Illegal number of bits in vec"); |
---|
| 711 | offset *= size; /* turn into bit offset */ |
---|
| 712 | len = (offset + size + 7) / 8; /* required number of bytes */ |
---|
| 713 | if (len > srclen) { |
---|
| 714 | if (size <= 8) |
---|
| 715 | retnum = 0; |
---|
| 716 | else { |
---|
| 717 | offset >>= 3; /* turn into byte offset */ |
---|
| 718 | if (size == 16) { |
---|
| 719 | if (offset >= srclen) |
---|
| 720 | retnum = 0; |
---|
| 721 | else |
---|
| 722 | retnum = (UV) s[offset] << 8; |
---|
| 723 | } |
---|
| 724 | else if (size == 32) { |
---|
| 725 | if (offset >= srclen) |
---|
| 726 | retnum = 0; |
---|
| 727 | else if (offset + 1 >= srclen) |
---|
| 728 | retnum = |
---|
| 729 | ((UV) s[offset ] << 24); |
---|
| 730 | else if (offset + 2 >= srclen) |
---|
| 731 | retnum = |
---|
| 732 | ((UV) s[offset ] << 24) + |
---|
| 733 | ((UV) s[offset + 1] << 16); |
---|
| 734 | else |
---|
| 735 | retnum = |
---|
| 736 | ((UV) s[offset ] << 24) + |
---|
| 737 | ((UV) s[offset + 1] << 16) + |
---|
| 738 | ( s[offset + 2] << 8); |
---|
| 739 | } |
---|
| 740 | #ifdef UV_IS_QUAD |
---|
| 741 | else if (size == 64) { |
---|
| 742 | dTHR; |
---|
| 743 | if (ckWARN(WARN_PORTABLE)) |
---|
| 744 | Perl_warner(aTHX_ WARN_PORTABLE, |
---|
| 745 | "Bit vector size > 32 non-portable"); |
---|
| 746 | if (offset >= srclen) |
---|
| 747 | retnum = 0; |
---|
| 748 | else if (offset + 1 >= srclen) |
---|
| 749 | retnum = |
---|
| 750 | (UV) s[offset ] << 56; |
---|
| 751 | else if (offset + 2 >= srclen) |
---|
| 752 | retnum = |
---|
| 753 | ((UV) s[offset ] << 56) + |
---|
| 754 | ((UV) s[offset + 1] << 48); |
---|
| 755 | else if (offset + 3 >= srclen) |
---|
| 756 | retnum = |
---|
| 757 | ((UV) s[offset ] << 56) + |
---|
| 758 | ((UV) s[offset + 1] << 48) + |
---|
| 759 | ((UV) s[offset + 2] << 40); |
---|
| 760 | else if (offset + 4 >= srclen) |
---|
| 761 | retnum = |
---|
| 762 | ((UV) s[offset ] << 56) + |
---|
| 763 | ((UV) s[offset + 1] << 48) + |
---|
| 764 | ((UV) s[offset + 2] << 40) + |
---|
| 765 | ((UV) s[offset + 3] << 32); |
---|
| 766 | else if (offset + 5 >= srclen) |
---|
| 767 | retnum = |
---|
| 768 | ((UV) s[offset ] << 56) + |
---|
| 769 | ((UV) s[offset + 1] << 48) + |
---|
| 770 | ((UV) s[offset + 2] << 40) + |
---|
| 771 | ((UV) s[offset + 3] << 32) + |
---|
| 772 | ( s[offset + 4] << 24); |
---|
| 773 | else if (offset + 6 >= srclen) |
---|
| 774 | retnum = |
---|
| 775 | ((UV) s[offset ] << 56) + |
---|
| 776 | ((UV) s[offset + 1] << 48) + |
---|
| 777 | ((UV) s[offset + 2] << 40) + |
---|
| 778 | ((UV) s[offset + 3] << 32) + |
---|
| 779 | ((UV) s[offset + 4] << 24) + |
---|
| 780 | ((UV) s[offset + 5] << 16); |
---|
| 781 | else |
---|
| 782 | retnum = |
---|
| 783 | ((UV) s[offset ] << 56) + |
---|
| 784 | ((UV) s[offset + 1] << 48) + |
---|
| 785 | ((UV) s[offset + 2] << 40) + |
---|
| 786 | ((UV) s[offset + 3] << 32) + |
---|
| 787 | ((UV) s[offset + 4] << 24) + |
---|
| 788 | ((UV) s[offset + 5] << 16) + |
---|
| 789 | ( s[offset + 6] << 8); |
---|
| 790 | } |
---|
| 791 | #endif |
---|
| 792 | } |
---|
| 793 | } |
---|
| 794 | else if (size < 8) |
---|
| 795 | retnum = (s[offset >> 3] >> (offset & 7)) & ((1 << size) - 1); |
---|
| 796 | else { |
---|
| 797 | offset >>= 3; /* turn into byte offset */ |
---|
| 798 | if (size == 8) |
---|
| 799 | retnum = s[offset]; |
---|
| 800 | else if (size == 16) |
---|
| 801 | retnum = |
---|
| 802 | ((UV) s[offset] << 8) + |
---|
| 803 | s[offset + 1]; |
---|
| 804 | else if (size == 32) |
---|
| 805 | retnum = |
---|
| 806 | ((UV) s[offset ] << 24) + |
---|
| 807 | ((UV) s[offset + 1] << 16) + |
---|
| 808 | ( s[offset + 2] << 8) + |
---|
| 809 | s[offset + 3]; |
---|
| 810 | #ifdef UV_IS_QUAD |
---|
| 811 | else if (size == 64) { |
---|
| 812 | dTHR; |
---|
| 813 | if (ckWARN(WARN_PORTABLE)) |
---|
| 814 | Perl_warner(aTHX_ WARN_PORTABLE, |
---|
| 815 | "Bit vector size > 32 non-portable"); |
---|
| 816 | retnum = |
---|
| 817 | ((UV) s[offset ] << 56) + |
---|
| 818 | ((UV) s[offset + 1] << 48) + |
---|
| 819 | ((UV) s[offset + 2] << 40) + |
---|
| 820 | ((UV) s[offset + 3] << 32) + |
---|
| 821 | ((UV) s[offset + 4] << 24) + |
---|
| 822 | ((UV) s[offset + 5] << 16) + |
---|
| 823 | ( s[offset + 6] << 8) + |
---|
| 824 | s[offset + 7]; |
---|
| 825 | } |
---|
| 826 | #endif |
---|
| 827 | } |
---|
| 828 | |
---|
| 829 | return retnum; |
---|
| 830 | } |
---|
| 831 | |
---|
[10723] | 832 | void |
---|
[14544] | 833 | Perl_do_vecset(pTHX_ SV *sv) |
---|
[10723] | 834 | { |
---|
| 835 | SV *targ = LvTARG(sv); |
---|
| 836 | register I32 offset; |
---|
| 837 | register I32 size; |
---|
| 838 | register unsigned char *s; |
---|
[14544] | 839 | register UV lval; |
---|
[10723] | 840 | I32 mask; |
---|
| 841 | STRLEN targlen; |
---|
| 842 | STRLEN len; |
---|
| 843 | |
---|
| 844 | if (!targ) |
---|
| 845 | return; |
---|
| 846 | s = (unsigned char*)SvPV_force(targ, targlen); |
---|
[14544] | 847 | lval = SvUV(sv); |
---|
[10723] | 848 | offset = LvTARGOFF(sv); |
---|
| 849 | size = LvTARGLEN(sv); |
---|
[14544] | 850 | if (size < 1 || (size & (size-1))) /* size < 1 or not a power of two */ |
---|
| 851 | Perl_croak(aTHX_ "Illegal number of bits in vec"); |
---|
[10723] | 852 | |
---|
[14544] | 853 | offset *= size; /* turn into bit offset */ |
---|
| 854 | len = (offset + size + 7) / 8; /* required number of bytes */ |
---|
[10723] | 855 | if (len > targlen) { |
---|
| 856 | s = (unsigned char*)SvGROW(targ, len + 1); |
---|
| 857 | (void)memzero(s + targlen, len - targlen + 1); |
---|
| 858 | SvCUR_set(targ, len); |
---|
| 859 | } |
---|
| 860 | |
---|
| 861 | if (size < 8) { |
---|
| 862 | mask = (1 << size) - 1; |
---|
| 863 | size = offset & 7; |
---|
| 864 | lval &= mask; |
---|
[14544] | 865 | offset >>= 3; /* turn into byte offset */ |
---|
[10723] | 866 | s[offset] &= ~(mask << size); |
---|
| 867 | s[offset] |= lval << size; |
---|
| 868 | } |
---|
| 869 | else { |
---|
[14544] | 870 | offset >>= 3; /* turn into byte offset */ |
---|
[10723] | 871 | if (size == 8) |
---|
[14544] | 872 | s[offset ] = lval & 0xff; |
---|
[10723] | 873 | else if (size == 16) { |
---|
[14544] | 874 | s[offset ] = (lval >> 8) & 0xff; |
---|
| 875 | s[offset+1] = lval & 0xff; |
---|
[10723] | 876 | } |
---|
| 877 | else if (size == 32) { |
---|
[14544] | 878 | s[offset ] = (lval >> 24) & 0xff; |
---|
| 879 | s[offset+1] = (lval >> 16) & 0xff; |
---|
| 880 | s[offset+2] = (lval >> 8) & 0xff; |
---|
| 881 | s[offset+3] = lval & 0xff; |
---|
[10723] | 882 | } |
---|
[14544] | 883 | #ifdef UV_IS_QUAD |
---|
| 884 | else if (size == 64) { |
---|
| 885 | dTHR; |
---|
| 886 | if (ckWARN(WARN_PORTABLE)) |
---|
| 887 | Perl_warner(aTHX_ WARN_PORTABLE, |
---|
| 888 | "Bit vector size > 32 non-portable"); |
---|
| 889 | s[offset ] = (lval >> 56) & 0xff; |
---|
| 890 | s[offset+1] = (lval >> 48) & 0xff; |
---|
| 891 | s[offset+2] = (lval >> 40) & 0xff; |
---|
| 892 | s[offset+3] = (lval >> 32) & 0xff; |
---|
| 893 | s[offset+4] = (lval >> 24) & 0xff; |
---|
| 894 | s[offset+5] = (lval >> 16) & 0xff; |
---|
| 895 | s[offset+6] = (lval >> 8) & 0xff; |
---|
| 896 | s[offset+7] = lval & 0xff; |
---|
| 897 | } |
---|
| 898 | #endif |
---|
[10723] | 899 | } |
---|
[14544] | 900 | SvSETMAGIC(targ); |
---|
[10723] | 901 | } |
---|
| 902 | |
---|
| 903 | void |
---|
[14544] | 904 | Perl_do_chop(pTHX_ register SV *astr, register SV *sv) |
---|
[10723] | 905 | { |
---|
| 906 | STRLEN len; |
---|
| 907 | char *s; |
---|
[14544] | 908 | dTHR; |
---|
[10723] | 909 | |
---|
| 910 | if (SvTYPE(sv) == SVt_PVAV) { |
---|
| 911 | register I32 i; |
---|
| 912 | I32 max; |
---|
| 913 | AV* av = (AV*)sv; |
---|
| 914 | max = AvFILL(av); |
---|
| 915 | for (i = 0; i <= max; i++) { |
---|
| 916 | sv = (SV*)av_fetch(av, i, FALSE); |
---|
[14544] | 917 | if (sv && ((sv = *(SV**)sv), sv != &PL_sv_undef)) |
---|
[10723] | 918 | do_chop(astr, sv); |
---|
| 919 | } |
---|
| 920 | return; |
---|
| 921 | } |
---|
[14544] | 922 | else if (SvTYPE(sv) == SVt_PVHV) { |
---|
[10723] | 923 | HV* hv = (HV*)sv; |
---|
| 924 | HE* entry; |
---|
| 925 | (void)hv_iterinit(hv); |
---|
| 926 | /*SUPPRESS 560*/ |
---|
[14544] | 927 | while ((entry = hv_iternext(hv))) |
---|
[10723] | 928 | do_chop(astr,hv_iterval(hv,entry)); |
---|
| 929 | return; |
---|
| 930 | } |
---|
[14544] | 931 | else if (SvREADONLY(sv)) |
---|
| 932 | Perl_croak(aTHX_ PL_no_modify); |
---|
[10723] | 933 | s = SvPV(sv, len); |
---|
| 934 | if (len && !SvPOK(sv)) |
---|
| 935 | s = SvPV_force(sv, len); |
---|
[14544] | 936 | if (DO_UTF8(sv)) { |
---|
| 937 | if (s && len) { |
---|
| 938 | char *send = s + len; |
---|
| 939 | char *start = s; |
---|
| 940 | s = send - 1; |
---|
| 941 | while ((*s & 0xc0) == 0x80) |
---|
| 942 | --s; |
---|
| 943 | if (UTF8SKIP(s) != send - s && ckWARN_d(WARN_UTF8)) |
---|
| 944 | Perl_warner(aTHX_ WARN_UTF8, "Malformed UTF-8 character"); |
---|
| 945 | sv_setpvn(astr, s, send - s); |
---|
| 946 | *s = '\0'; |
---|
| 947 | SvCUR_set(sv, s - start); |
---|
| 948 | SvNIOK_off(sv); |
---|
| 949 | SvUTF8_on(astr); |
---|
| 950 | } |
---|
| 951 | else |
---|
| 952 | sv_setpvn(astr, "", 0); |
---|
| 953 | } |
---|
| 954 | else if (s && len) { |
---|
[10723] | 955 | s += --len; |
---|
| 956 | sv_setpvn(astr, s, 1); |
---|
| 957 | *s = '\0'; |
---|
| 958 | SvCUR_set(sv, len); |
---|
[14544] | 959 | SvUTF8_off(sv); |
---|
[10723] | 960 | SvNIOK_off(sv); |
---|
| 961 | } |
---|
| 962 | else |
---|
| 963 | sv_setpvn(astr, "", 0); |
---|
| 964 | SvSETMAGIC(sv); |
---|
[14544] | 965 | } |
---|
[10723] | 966 | |
---|
| 967 | I32 |
---|
[14544] | 968 | Perl_do_chomp(pTHX_ register SV *sv) |
---|
[10723] | 969 | { |
---|
[14544] | 970 | dTHR; |
---|
[10723] | 971 | register I32 count; |
---|
| 972 | STRLEN len; |
---|
| 973 | char *s; |
---|
| 974 | |
---|
[14544] | 975 | if (RsSNARF(PL_rs)) |
---|
[10723] | 976 | return 0; |
---|
[14544] | 977 | if (RsRECORD(PL_rs)) |
---|
| 978 | return 0; |
---|
[10723] | 979 | count = 0; |
---|
| 980 | if (SvTYPE(sv) == SVt_PVAV) { |
---|
| 981 | register I32 i; |
---|
| 982 | I32 max; |
---|
| 983 | AV* av = (AV*)sv; |
---|
| 984 | max = AvFILL(av); |
---|
| 985 | for (i = 0; i <= max; i++) { |
---|
| 986 | sv = (SV*)av_fetch(av, i, FALSE); |
---|
[14544] | 987 | if (sv && ((sv = *(SV**)sv), sv != &PL_sv_undef)) |
---|
[10723] | 988 | count += do_chomp(sv); |
---|
| 989 | } |
---|
| 990 | return count; |
---|
| 991 | } |
---|
[14544] | 992 | else if (SvTYPE(sv) == SVt_PVHV) { |
---|
[10723] | 993 | HV* hv = (HV*)sv; |
---|
| 994 | HE* entry; |
---|
| 995 | (void)hv_iterinit(hv); |
---|
| 996 | /*SUPPRESS 560*/ |
---|
[14544] | 997 | while ((entry = hv_iternext(hv))) |
---|
[10723] | 998 | count += do_chomp(hv_iterval(hv,entry)); |
---|
| 999 | return count; |
---|
| 1000 | } |
---|
[14544] | 1001 | else if (SvREADONLY(sv)) |
---|
| 1002 | Perl_croak(aTHX_ PL_no_modify); |
---|
[10723] | 1003 | s = SvPV(sv, len); |
---|
| 1004 | if (len && !SvPOKp(sv)) |
---|
| 1005 | s = SvPV_force(sv, len); |
---|
| 1006 | if (s && len) { |
---|
| 1007 | s += --len; |
---|
[14544] | 1008 | if (RsPARA(PL_rs)) { |
---|
[10723] | 1009 | if (*s != '\n') |
---|
| 1010 | goto nope; |
---|
| 1011 | ++count; |
---|
| 1012 | while (len && s[-1] == '\n') { |
---|
| 1013 | --len; |
---|
| 1014 | --s; |
---|
| 1015 | ++count; |
---|
| 1016 | } |
---|
| 1017 | } |
---|
| 1018 | else { |
---|
| 1019 | STRLEN rslen; |
---|
[14544] | 1020 | char *rsptr = SvPV(PL_rs, rslen); |
---|
[10723] | 1021 | if (rslen == 1) { |
---|
| 1022 | if (*s != *rsptr) |
---|
| 1023 | goto nope; |
---|
| 1024 | ++count; |
---|
| 1025 | } |
---|
| 1026 | else { |
---|
| 1027 | if (len < rslen - 1) |
---|
| 1028 | goto nope; |
---|
| 1029 | len -= rslen - 1; |
---|
| 1030 | s -= rslen - 1; |
---|
| 1031 | if (memNE(s, rsptr, rslen)) |
---|
| 1032 | goto nope; |
---|
| 1033 | count += rslen; |
---|
| 1034 | } |
---|
| 1035 | } |
---|
| 1036 | *s = '\0'; |
---|
| 1037 | SvCUR_set(sv, len); |
---|
| 1038 | SvNIOK_off(sv); |
---|
| 1039 | } |
---|
| 1040 | nope: |
---|
| 1041 | SvSETMAGIC(sv); |
---|
| 1042 | return count; |
---|
| 1043 | } |
---|
| 1044 | |
---|
| 1045 | void |
---|
[14544] | 1046 | Perl_do_vop(pTHX_ I32 optype, SV *sv, SV *left, SV *right) |
---|
[10723] | 1047 | { |
---|
[14544] | 1048 | dTHR; /* just for taint */ |
---|
[10723] | 1049 | #ifdef LIBERAL |
---|
| 1050 | register long *dl; |
---|
| 1051 | register long *ll; |
---|
| 1052 | register long *rl; |
---|
| 1053 | #endif |
---|
| 1054 | register char *dc; |
---|
| 1055 | STRLEN leftlen; |
---|
| 1056 | STRLEN rightlen; |
---|
| 1057 | register char *lc; |
---|
| 1058 | register char *rc; |
---|
| 1059 | register I32 len; |
---|
| 1060 | I32 lensave; |
---|
| 1061 | char *lsave; |
---|
| 1062 | char *rsave; |
---|
[14544] | 1063 | bool left_utf = DO_UTF8(left); |
---|
| 1064 | bool right_utf = DO_UTF8(right); |
---|
[10723] | 1065 | |
---|
[14544] | 1066 | if (left_utf && !right_utf) |
---|
| 1067 | sv_utf8_upgrade(right); |
---|
| 1068 | if (!left_utf && right_utf) |
---|
| 1069 | sv_utf8_upgrade(left); |
---|
| 1070 | |
---|
[10723] | 1071 | if (sv != left || (optype != OP_BIT_AND && !SvOK(sv) && !SvGMAGICAL(sv))) |
---|
| 1072 | sv_setpvn(sv, "", 0); /* avoid undef warning on |= and ^= */ |
---|
| 1073 | lsave = lc = SvPV(left, leftlen); |
---|
| 1074 | rsave = rc = SvPV(right, rightlen); |
---|
| 1075 | len = leftlen < rightlen ? leftlen : rightlen; |
---|
| 1076 | lensave = len; |
---|
| 1077 | if (SvOK(sv) || SvTYPE(sv) > SVt_PVMG) { |
---|
[14544] | 1078 | STRLEN n_a; |
---|
| 1079 | dc = SvPV_force(sv, n_a); |
---|
[10723] | 1080 | if (SvCUR(sv) < len) { |
---|
| 1081 | dc = SvGROW(sv, len + 1); |
---|
| 1082 | (void)memzero(dc + SvCUR(sv), len - SvCUR(sv) + 1); |
---|
| 1083 | } |
---|
| 1084 | } |
---|
| 1085 | else { |
---|
| 1086 | I32 needlen = ((optype == OP_BIT_AND) |
---|
| 1087 | ? len : (leftlen > rightlen ? leftlen : rightlen)); |
---|
| 1088 | Newz(801, dc, needlen + 1, char); |
---|
| 1089 | (void)sv_usepvn(sv, dc, needlen); |
---|
| 1090 | dc = SvPVX(sv); /* sv_usepvn() calls Renew() */ |
---|
| 1091 | } |
---|
| 1092 | SvCUR_set(sv, len); |
---|
| 1093 | (void)SvPOK_only(sv); |
---|
[14544] | 1094 | if (left_utf || right_utf) { |
---|
| 1095 | UV duc, luc, ruc; |
---|
| 1096 | STRLEN lulen = leftlen; |
---|
| 1097 | STRLEN rulen = rightlen; |
---|
| 1098 | STRLEN dulen = 0; |
---|
| 1099 | I32 ulen; |
---|
| 1100 | |
---|
| 1101 | if (optype != OP_BIT_AND) |
---|
| 1102 | dc = SvGROW(sv, leftlen+rightlen+1); |
---|
| 1103 | |
---|
| 1104 | switch (optype) { |
---|
| 1105 | case OP_BIT_AND: |
---|
| 1106 | while (lulen && rulen) { |
---|
| 1107 | luc = utf8_to_uv((U8*)lc, &ulen); |
---|
| 1108 | lc += ulen; |
---|
| 1109 | lulen -= ulen; |
---|
| 1110 | ruc = utf8_to_uv((U8*)rc, &ulen); |
---|
| 1111 | rc += ulen; |
---|
| 1112 | rulen -= ulen; |
---|
| 1113 | duc = luc & ruc; |
---|
| 1114 | dc = (char*)uv_to_utf8((U8*)dc, duc); |
---|
| 1115 | } |
---|
| 1116 | dulen = dc - SvPVX(sv); |
---|
| 1117 | SvCUR_set(sv, dulen); |
---|
| 1118 | break; |
---|
| 1119 | case OP_BIT_XOR: |
---|
| 1120 | while (lulen && rulen) { |
---|
| 1121 | luc = utf8_to_uv((U8*)lc, &ulen); |
---|
| 1122 | lc += ulen; |
---|
| 1123 | lulen -= ulen; |
---|
| 1124 | ruc = utf8_to_uv((U8*)rc, &ulen); |
---|
| 1125 | rc += ulen; |
---|
| 1126 | rulen -= ulen; |
---|
| 1127 | duc = luc ^ ruc; |
---|
| 1128 | dc = (char*)uv_to_utf8((U8*)dc, duc); |
---|
| 1129 | } |
---|
| 1130 | goto mop_up_utf; |
---|
| 1131 | case OP_BIT_OR: |
---|
| 1132 | while (lulen && rulen) { |
---|
| 1133 | luc = utf8_to_uv((U8*)lc, &ulen); |
---|
| 1134 | lc += ulen; |
---|
| 1135 | lulen -= ulen; |
---|
| 1136 | ruc = utf8_to_uv((U8*)rc, &ulen); |
---|
| 1137 | rc += ulen; |
---|
| 1138 | rulen -= ulen; |
---|
| 1139 | duc = luc | ruc; |
---|
| 1140 | dc = (char*)uv_to_utf8((U8*)dc, duc); |
---|
| 1141 | } |
---|
| 1142 | mop_up_utf: |
---|
| 1143 | dulen = dc - SvPVX(sv); |
---|
| 1144 | SvCUR_set(sv, dulen); |
---|
| 1145 | if (rulen) |
---|
| 1146 | sv_catpvn(sv, rc, rulen); |
---|
| 1147 | else if (lulen) |
---|
| 1148 | sv_catpvn(sv, lc, lulen); |
---|
| 1149 | else |
---|
| 1150 | *SvEND(sv) = '\0'; |
---|
| 1151 | break; |
---|
| 1152 | } |
---|
| 1153 | SvUTF8_on(sv); |
---|
| 1154 | goto finish; |
---|
| 1155 | } |
---|
| 1156 | else |
---|
[10723] | 1157 | #ifdef LIBERAL |
---|
| 1158 | if (len >= sizeof(long)*4 && |
---|
| 1159 | !((long)dc % sizeof(long)) && |
---|
| 1160 | !((long)lc % sizeof(long)) && |
---|
| 1161 | !((long)rc % sizeof(long))) /* It's almost always aligned... */ |
---|
| 1162 | { |
---|
| 1163 | I32 remainder = len % (sizeof(long)*4); |
---|
| 1164 | len /= (sizeof(long)*4); |
---|
| 1165 | |
---|
| 1166 | dl = (long*)dc; |
---|
| 1167 | ll = (long*)lc; |
---|
| 1168 | rl = (long*)rc; |
---|
| 1169 | |
---|
| 1170 | switch (optype) { |
---|
| 1171 | case OP_BIT_AND: |
---|
| 1172 | while (len--) { |
---|
| 1173 | *dl++ = *ll++ & *rl++; |
---|
| 1174 | *dl++ = *ll++ & *rl++; |
---|
| 1175 | *dl++ = *ll++ & *rl++; |
---|
| 1176 | *dl++ = *ll++ & *rl++; |
---|
| 1177 | } |
---|
| 1178 | break; |
---|
| 1179 | case OP_BIT_XOR: |
---|
| 1180 | while (len--) { |
---|
| 1181 | *dl++ = *ll++ ^ *rl++; |
---|
| 1182 | *dl++ = *ll++ ^ *rl++; |
---|
| 1183 | *dl++ = *ll++ ^ *rl++; |
---|
| 1184 | *dl++ = *ll++ ^ *rl++; |
---|
| 1185 | } |
---|
| 1186 | break; |
---|
| 1187 | case OP_BIT_OR: |
---|
| 1188 | while (len--) { |
---|
| 1189 | *dl++ = *ll++ | *rl++; |
---|
| 1190 | *dl++ = *ll++ | *rl++; |
---|
| 1191 | *dl++ = *ll++ | *rl++; |
---|
| 1192 | *dl++ = *ll++ | *rl++; |
---|
| 1193 | } |
---|
| 1194 | } |
---|
| 1195 | |
---|
| 1196 | dc = (char*)dl; |
---|
| 1197 | lc = (char*)ll; |
---|
| 1198 | rc = (char*)rl; |
---|
| 1199 | |
---|
| 1200 | len = remainder; |
---|
| 1201 | } |
---|
| 1202 | #endif |
---|
| 1203 | { |
---|
| 1204 | switch (optype) { |
---|
| 1205 | case OP_BIT_AND: |
---|
| 1206 | while (len--) |
---|
| 1207 | *dc++ = *lc++ & *rc++; |
---|
| 1208 | break; |
---|
| 1209 | case OP_BIT_XOR: |
---|
| 1210 | while (len--) |
---|
| 1211 | *dc++ = *lc++ ^ *rc++; |
---|
| 1212 | goto mop_up; |
---|
| 1213 | case OP_BIT_OR: |
---|
| 1214 | while (len--) |
---|
| 1215 | *dc++ = *lc++ | *rc++; |
---|
| 1216 | mop_up: |
---|
| 1217 | len = lensave; |
---|
| 1218 | if (rightlen > len) |
---|
| 1219 | sv_catpvn(sv, rsave + len, rightlen - len); |
---|
| 1220 | else if (leftlen > len) |
---|
| 1221 | sv_catpvn(sv, lsave + len, leftlen - len); |
---|
| 1222 | else |
---|
| 1223 | *SvEND(sv) = '\0'; |
---|
| 1224 | break; |
---|
| 1225 | } |
---|
| 1226 | } |
---|
[14544] | 1227 | finish: |
---|
[10723] | 1228 | SvTAINT(sv); |
---|
| 1229 | } |
---|
| 1230 | |
---|
| 1231 | OP * |
---|
[14544] | 1232 | Perl_do_kv(pTHX) |
---|
[10723] | 1233 | { |
---|
[14544] | 1234 | djSP; |
---|
[10723] | 1235 | HV *hv = (HV*)POPs; |
---|
[14544] | 1236 | HV *keys; |
---|
[10723] | 1237 | register HE *entry; |
---|
| 1238 | SV *tmpstr; |
---|
| 1239 | I32 gimme = GIMME_V; |
---|
[14544] | 1240 | I32 dokeys = (PL_op->op_type == OP_KEYS); |
---|
| 1241 | I32 dovalues = (PL_op->op_type == OP_VALUES); |
---|
| 1242 | I32 realhv = (SvTYPE(hv) == SVt_PVHV); |
---|
| 1243 | |
---|
| 1244 | if (PL_op->op_type == OP_RV2HV || PL_op->op_type == OP_PADHV) |
---|
[10723] | 1245 | dokeys = dovalues = TRUE; |
---|
| 1246 | |
---|
| 1247 | if (!hv) { |
---|
[14544] | 1248 | if (PL_op->op_flags & OPf_MOD) { /* lvalue */ |
---|
[10723] | 1249 | dTARGET; /* make sure to clear its target here */ |
---|
| 1250 | if (SvTYPE(TARG) == SVt_PVLV) |
---|
| 1251 | LvTARG(TARG) = Nullsv; |
---|
| 1252 | PUSHs(TARG); |
---|
| 1253 | } |
---|
| 1254 | RETURN; |
---|
| 1255 | } |
---|
| 1256 | |
---|
[14544] | 1257 | keys = realhv ? hv : avhv_keys((AV*)hv); |
---|
| 1258 | (void)hv_iterinit(keys); /* always reset iterator regardless */ |
---|
[10723] | 1259 | |
---|
| 1260 | if (gimme == G_VOID) |
---|
| 1261 | RETURN; |
---|
| 1262 | |
---|
| 1263 | if (gimme == G_SCALAR) { |
---|
[14544] | 1264 | IV i; |
---|
[10723] | 1265 | dTARGET; |
---|
| 1266 | |
---|
[14544] | 1267 | if (PL_op->op_flags & OPf_MOD) { /* lvalue */ |
---|
[10723] | 1268 | if (SvTYPE(TARG) < SVt_PVLV) { |
---|
| 1269 | sv_upgrade(TARG, SVt_PVLV); |
---|
| 1270 | sv_magic(TARG, Nullsv, 'k', Nullch, 0); |
---|
| 1271 | } |
---|
| 1272 | LvTYPE(TARG) = 'k'; |
---|
[14544] | 1273 | if (LvTARG(TARG) != (SV*)keys) { |
---|
| 1274 | if (LvTARG(TARG)) |
---|
| 1275 | SvREFCNT_dec(LvTARG(TARG)); |
---|
| 1276 | LvTARG(TARG) = SvREFCNT_inc(keys); |
---|
| 1277 | } |
---|
[10723] | 1278 | PUSHs(TARG); |
---|
| 1279 | RETURN; |
---|
| 1280 | } |
---|
| 1281 | |
---|
[14544] | 1282 | if (! SvTIED_mg((SV*)keys, 'P')) |
---|
| 1283 | i = HvKEYS(keys); |
---|
[10723] | 1284 | else { |
---|
| 1285 | i = 0; |
---|
| 1286 | /*SUPPRESS 560*/ |
---|
[14544] | 1287 | while (hv_iternext(keys)) i++; |
---|
[10723] | 1288 | } |
---|
| 1289 | PUSHi( i ); |
---|
| 1290 | RETURN; |
---|
| 1291 | } |
---|
| 1292 | |
---|
[14544] | 1293 | EXTEND(SP, HvKEYS(keys) * (dokeys + dovalues)); |
---|
[10723] | 1294 | |
---|
| 1295 | PUTBACK; /* hv_iternext and hv_iterval might clobber stack_sp */ |
---|
[14544] | 1296 | while ((entry = hv_iternext(keys))) { |
---|
[10723] | 1297 | SPAGAIN; |
---|
| 1298 | if (dokeys) |
---|
| 1299 | XPUSHs(hv_iterkeysv(entry)); /* won't clobber stack_sp */ |
---|
| 1300 | if (dovalues) { |
---|
| 1301 | PUTBACK; |
---|
[14544] | 1302 | tmpstr = realhv ? |
---|
| 1303 | hv_iterval(hv,entry) : avhv_iterval((AV*)hv,entry); |
---|
| 1304 | DEBUG_H(Perl_sv_setpvf(aTHX_ tmpstr, "%lu%%%d=%lu", |
---|
[10723] | 1305 | (unsigned long)HeHASH(entry), |
---|
[14544] | 1306 | HvMAX(keys)+1, |
---|
| 1307 | (unsigned long)(HeHASH(entry) & HvMAX(keys)))); |
---|
[10723] | 1308 | SPAGAIN; |
---|
| 1309 | XPUSHs(tmpstr); |
---|
| 1310 | } |
---|
| 1311 | PUTBACK; |
---|
| 1312 | } |
---|
| 1313 | return NORMAL; |
---|
| 1314 | } |
---|
| 1315 | |
---|