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root |
1.1 |
/* |
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$Id: Encode.xs,v 2.4 2005/05/16 18:46:36 dankogai Exp dankogai $ |
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*/ |
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#define PERL_NO_GET_CONTEXT |
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#include "EXTERN.h" |
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#include "perl.h" |
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#include "XSUB.h" |
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#define U8 U8 |
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#include "encode.h" |
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# define PERLIO_MODNAME "PerlIO::encoding" |
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# define PERLIO_FILENAME "PerlIO/encoding.pm" |
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/* set 1 or more to profile. t/encoding.t dumps core because of |
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Perl_warner and PerlIO don't work well */ |
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#define ENCODE_XS_PROFILE 0 |
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/* set 0 to disable floating point to calculate buffer size for |
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encode_method(). 1 is recommended. 2 restores NI-S original */ |
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#define ENCODE_XS_USEFP 1 |
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#define UNIMPLEMENTED(x,y) y x (SV *sv, char *encoding) {dTHX; \ |
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Perl_croak(aTHX_ "panic_unimplemented"); \ |
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return (y)0; /* fool picky compilers */ \ |
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} |
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/**/ |
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UNIMPLEMENTED(_encoded_utf8_to_bytes, I32) |
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UNIMPLEMENTED(_encoded_bytes_to_utf8, I32) |
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#define UTF8_ALLOW_STRICT 0 |
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#define UTF8_ALLOW_NONSTRICT (UTF8_ALLOW_ANY & \ |
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~(UTF8_ALLOW_CONTINUATION | \ |
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UTF8_ALLOW_NON_CONTINUATION | \ |
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UTF8_ALLOW_LONG)) |
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void |
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Encode_XSEncoding(pTHX_ encode_t * enc) |
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{ |
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dSP; |
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HV *stash = gv_stashpv("Encode::XS", TRUE); |
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SV *sv = sv_bless(newRV_noinc(newSViv(PTR2IV(enc))), stash); |
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int i = 0; |
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PUSHMARK(sp); |
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XPUSHs(sv); |
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while (enc->name[i]) { |
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const char *name = enc->name[i++]; |
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XPUSHs(sv_2mortal(newSVpvn(name, strlen(name)))); |
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} |
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PUTBACK; |
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call_pv("Encode::define_encoding", G_DISCARD); |
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SvREFCNT_dec(sv); |
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} |
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void |
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call_failure(SV * routine, U8 * done, U8 * dest, U8 * orig) |
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{ |
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/* Exists for breakpointing */ |
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} |
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#define ERR_ENCODE_NOMAP "\"\\x{%04" UVxf "}\" does not map to %s" |
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#define ERR_DECODE_NOMAP "%s \"\\x%02" UVXf "\" does not map to Unicode" |
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static SV * |
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encode_method(pTHX_ encode_t * enc, encpage_t * dir, SV * src, |
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int check, STRLEN * offset, SV * term, int * retcode) |
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{ |
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STRLEN slen; |
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U8 *s = (U8 *) SvPV(src, slen); |
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STRLEN tlen = slen; |
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STRLEN ddone = 0; |
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STRLEN sdone = 0; |
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/* We allocate slen+1. |
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PerlIO dumps core if this value is smaller than this. */ |
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SV *dst = sv_2mortal(newSV(slen+1)); |
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U8 *d = (U8 *)SvPVX(dst); |
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STRLEN dlen = SvLEN(dst)-1; |
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int code = 0; |
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STRLEN trmlen = 0; |
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U8 *trm = term ? (U8*) SvPV(term, trmlen) : NULL; |
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if (offset) { |
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s += *offset; |
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if (slen > *offset){ /* safeguard against slen overflow */ |
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slen -= *offset; |
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}else{ |
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slen = 0; |
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} |
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tlen = slen; |
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} |
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if (slen == 0){ |
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SvCUR_set(dst, 0); |
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SvPOK_only(dst); |
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goto ENCODE_END; |
| 99 |
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} |
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while( (code = do_encode(dir, s, &slen, d, dlen, &dlen, !check, |
| 102 |
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trm, trmlen)) ) |
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{ |
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SvCUR_set(dst, dlen+ddone); |
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SvPOK_only(dst); |
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if (code == ENCODE_FALLBACK || code == ENCODE_PARTIAL || |
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code == ENCODE_FOUND_TERM) { |
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break; |
| 110 |
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} |
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switch (code) { |
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case ENCODE_NOSPACE: |
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{ |
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STRLEN more = 0; /* make sure you initialize! */ |
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STRLEN sleft; |
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sdone += slen; |
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ddone += dlen; |
| 118 |
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sleft = tlen - sdone; |
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#if ENCODE_XS_PROFILE >= 2 |
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Perl_warn(aTHX_ |
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"more=%d, sdone=%d, sleft=%d, SvLEN(dst)=%d\n", |
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more, sdone, sleft, SvLEN(dst)); |
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#endif |
| 124 |
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if (sdone != 0) { /* has src ever been processed ? */ |
| 125 |
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#if ENCODE_XS_USEFP == 2 |
| 126 |
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more = (1.0*tlen*SvLEN(dst)+sdone-1)/sdone |
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- SvLEN(dst); |
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#elif ENCODE_XS_USEFP |
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more = (STRLEN)((1.0*SvLEN(dst)+1)/sdone * sleft); |
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#else |
| 131 |
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/* safe until SvLEN(dst) == MAX_INT/16 */ |
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more = (16*SvLEN(dst)+1)/sdone/16 * sleft; |
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#endif |
| 134 |
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} |
| 135 |
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more += UTF8_MAXLEN; /* insurance policy */ |
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d = (U8 *) SvGROW(dst, SvLEN(dst) + more); |
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/* dst need to grow need MORE bytes! */ |
| 138 |
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if (ddone >= SvLEN(dst)) { |
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Perl_croak(aTHX_ "Destination couldn't be grown."); |
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} |
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dlen = SvLEN(dst)-ddone-1; |
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d += ddone; |
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s += slen; |
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slen = tlen-sdone; |
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continue; |
| 146 |
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} |
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case ENCODE_NOREP: |
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/* encoding */ |
| 149 |
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if (dir == enc->f_utf8) { |
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STRLEN clen; |
| 151 |
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UV ch = |
| 152 |
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utf8n_to_uvuni(s+slen, (SvCUR(src)-slen), |
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&clen, UTF8_ALLOW_ANY|UTF8_CHECK_ONLY); |
| 154 |
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if (check & ENCODE_DIE_ON_ERR) { |
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Perl_croak(aTHX_ ERR_ENCODE_NOMAP, |
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(UV)ch, enc->name[0]); |
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return &PL_sv_undef; /* never reaches but be safe */ |
| 158 |
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} |
| 159 |
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if (check & ENCODE_WARN_ON_ERR){ |
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Perl_warner(aTHX_ packWARN(WARN_UTF8), |
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ERR_ENCODE_NOMAP, (UV)ch, enc->name[0]); |
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} |
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if (check & ENCODE_RETURN_ON_ERR){ |
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goto ENCODE_SET_SRC; |
| 165 |
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} |
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if (check & (ENCODE_PERLQQ|ENCODE_HTMLCREF|ENCODE_XMLCREF)){ |
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SV* subchar = |
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newSVpvf(check & ENCODE_PERLQQ ? "\\x{%04"UVxf"}" : |
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check & ENCODE_HTMLCREF ? "&#%" UVuf ";" : |
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"&#x%" UVxf ";", (UV)ch); |
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sdone += slen + clen; |
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ddone += dlen + SvCUR(subchar); |
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sv_catsv(dst, subchar); |
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SvREFCNT_dec(subchar); |
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} else { |
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/* fallback char */ |
| 177 |
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sdone += slen + clen; |
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ddone += dlen + enc->replen; |
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sv_catpvn(dst, (char*)enc->rep, enc->replen); |
| 180 |
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} |
| 181 |
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} |
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/* decoding */ |
| 183 |
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else { |
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if (check & ENCODE_DIE_ON_ERR){ |
| 185 |
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Perl_croak(aTHX_ ERR_DECODE_NOMAP, |
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enc->name[0], (UV)s[slen]); |
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return &PL_sv_undef; /* never reaches but be safe */ |
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} |
| 189 |
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if (check & ENCODE_WARN_ON_ERR){ |
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Perl_warner( |
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aTHX_ packWARN(WARN_UTF8), |
| 192 |
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ERR_DECODE_NOMAP, |
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enc->name[0], (UV)s[slen]); |
| 194 |
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} |
| 195 |
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if (check & ENCODE_RETURN_ON_ERR){ |
| 196 |
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goto ENCODE_SET_SRC; |
| 197 |
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} |
| 198 |
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if (check & |
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(ENCODE_PERLQQ|ENCODE_HTMLCREF|ENCODE_XMLCREF)){ |
| 200 |
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SV* subchar = newSVpvf("\\x%02" UVXf, (UV)s[slen]); |
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sdone += slen + 1; |
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ddone += dlen + SvCUR(subchar); |
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sv_catsv(dst, subchar); |
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SvREFCNT_dec(subchar); |
| 205 |
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} else { |
| 206 |
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sdone += slen + 1; |
| 207 |
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ddone += dlen + strlen(FBCHAR_UTF8); |
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sv_catpv(dst, FBCHAR_UTF8); |
| 209 |
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} |
| 210 |
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} |
| 211 |
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/* settle variables when fallback */ |
| 212 |
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d = (U8 *)SvEND(dst); |
| 213 |
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dlen = SvLEN(dst) - ddone - 1; |
| 214 |
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s = (U8*)SvPVX(src) + sdone; |
| 215 |
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slen = tlen - sdone; |
| 216 |
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break; |
| 217 |
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| 218 |
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default: |
| 219 |
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Perl_croak(aTHX_ "Unexpected code %d converting %s %s", |
| 220 |
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code, (dir == enc->f_utf8) ? "to" : "from", |
| 221 |
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enc->name[0]); |
| 222 |
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return &PL_sv_undef; |
| 223 |
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} |
| 224 |
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} |
| 225 |
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ENCODE_SET_SRC: |
| 226 |
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if (check && !(check & ENCODE_LEAVE_SRC)){ |
| 227 |
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sdone = SvCUR(src) - (slen+sdone); |
| 228 |
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if (sdone) { |
| 229 |
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sv_setpvn(src, (char*)s+slen, sdone); |
| 230 |
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} |
| 231 |
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SvCUR_set(src, sdone); |
| 232 |
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} |
| 233 |
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/* warn("check = 0x%X, code = 0x%d\n", check, code); */ |
| 234 |
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| 235 |
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SvCUR_set(dst, dlen+ddone); |
| 236 |
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SvPOK_only(dst); |
| 237 |
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| 238 |
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#if ENCODE_XS_PROFILE |
| 239 |
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if (SvCUR(dst) > SvCUR(src)){ |
| 240 |
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Perl_warn(aTHX_ |
| 241 |
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"SvLEN(dst)=%d, SvCUR(dst)=%d. %d bytes unused(%f %%)\n", |
| 242 |
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SvLEN(dst), SvCUR(dst), SvLEN(dst) - SvCUR(dst), |
| 243 |
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(SvLEN(dst) - SvCUR(dst))*1.0/SvLEN(dst)*100.0); |
| 244 |
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} |
| 245 |
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#endif |
| 246 |
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| 247 |
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if (offset) |
| 248 |
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*offset += sdone + slen; |
| 249 |
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| 250 |
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ENCODE_END: |
| 251 |
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*SvEND(dst) = '\0'; |
| 252 |
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if (retcode) *retcode = code; |
| 253 |
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return dst; |
| 254 |
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} |
| 255 |
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| 256 |
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static bool |
| 257 |
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strict_utf8(pTHX_ SV* sv) |
| 258 |
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{ |
| 259 |
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HV* hv; |
| 260 |
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SV** svp; |
| 261 |
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sv = SvRV(sv); |
| 262 |
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if (!sv || SvTYPE(sv) != SVt_PVHV) |
| 263 |
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return 0; |
| 264 |
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hv = (HV*)sv; |
| 265 |
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svp = hv_fetch(hv, "strict_utf8", 11, 0); |
| 266 |
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if (!svp) |
| 267 |
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return 0; |
| 268 |
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return SvTRUE(*svp); |
| 269 |
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} |
| 270 |
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| 271 |
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static U8* |
| 272 |
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process_utf8(pTHX_ SV* dst, U8* s, U8* e, int check, |
| 273 |
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bool encode, bool strict, bool stop_at_partial) |
| 274 |
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{ |
| 275 |
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UV uv; |
| 276 |
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STRLEN ulen; |
| 277 |
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| 278 |
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SvPOK_only(dst); |
| 279 |
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SvCUR_set(dst,0); |
| 280 |
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| 281 |
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while (s < e) { |
| 282 |
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if (UTF8_IS_INVARIANT(*s)) { |
| 283 |
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sv_catpvn(dst, (char *)s, 1); |
| 284 |
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s++; |
| 285 |
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continue; |
| 286 |
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} |
| 287 |
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| 288 |
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if (UTF8_IS_START(*s)) { |
| 289 |
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U8 skip = UTF8SKIP(s); |
| 290 |
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if ((s + skip) > e) { |
| 291 |
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/* Partial character */ |
| 292 |
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/* XXX could check that rest of bytes are UTF8_IS_CONTINUATION(ch) */ |
| 293 |
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if (stop_at_partial) |
| 294 |
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break; |
| 295 |
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| 296 |
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goto malformed_byte; |
| 297 |
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} |
| 298 |
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| 299 |
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uv = utf8n_to_uvuni(s, e - s, &ulen, |
| 300 |
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UTF8_CHECK_ONLY | (strict ? UTF8_ALLOW_STRICT : |
| 301 |
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UTF8_ALLOW_NONSTRICT) |
| 302 |
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); |
| 303 |
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#if 1 /* perl-5.8.6 and older do not check UTF8_ALLOW_LONG */ |
| 304 |
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if (strict && uv > PERL_UNICODE_MAX) |
| 305 |
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ulen = -1; |
| 306 |
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#endif |
| 307 |
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if (ulen == -1) { |
| 308 |
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if (strict) { |
| 309 |
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uv = utf8n_to_uvuni(s, e - s, &ulen, |
| 310 |
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UTF8_CHECK_ONLY | UTF8_ALLOW_NONSTRICT); |
| 311 |
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if (ulen == -1) |
| 312 |
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goto malformed_byte; |
| 313 |
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goto malformed; |
| 314 |
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} |
| 315 |
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goto malformed_byte; |
| 316 |
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} |
| 317 |
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| 318 |
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|
| 319 |
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/* Whole char is good */ |
| 320 |
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sv_catpvn(dst,(char *)s,skip); |
| 321 |
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s += skip; |
| 322 |
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continue; |
| 323 |
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} |
| 324 |
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|
| 325 |
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/* If we get here there is something wrong with alleged UTF-8 */ |
| 326 |
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malformed_byte: |
| 327 |
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uv = (UV)*s; |
| 328 |
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ulen = 1; |
| 329 |
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|
| 330 |
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malformed: |
| 331 |
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if (check & ENCODE_DIE_ON_ERR){ |
| 332 |
|
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if (encode) |
| 333 |
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Perl_croak(aTHX_ ERR_ENCODE_NOMAP, uv, "utf8"); |
| 334 |
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else |
| 335 |
|
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Perl_croak(aTHX_ ERR_DECODE_NOMAP, "utf8", uv); |
| 336 |
|
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} |
| 337 |
|
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if (check & ENCODE_WARN_ON_ERR){ |
| 338 |
|
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if (encode) |
| 339 |
|
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Perl_warner(aTHX_ packWARN(WARN_UTF8), |
| 340 |
|
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ERR_ENCODE_NOMAP, uv, "utf8"); |
| 341 |
|
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else |
| 342 |
|
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Perl_warner(aTHX_ packWARN(WARN_UTF8), |
| 343 |
|
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ERR_DECODE_NOMAP, "utf8", uv); |
| 344 |
|
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} |
| 345 |
|
|
if (check & ENCODE_RETURN_ON_ERR) { |
| 346 |
|
|
break; |
| 347 |
|
|
} |
| 348 |
|
|
if (check & (ENCODE_PERLQQ|ENCODE_HTMLCREF|ENCODE_XMLCREF)){ |
| 349 |
|
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SV* subchar = newSVpvf(check & ENCODE_PERLQQ ? (ulen == 1 ? "\\x%02" UVXf : "\\x{%04" UVXf "}"): |
| 350 |
|
|
check & ENCODE_HTMLCREF ? "&#%" UVuf ";" : |
| 351 |
|
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"&#x%" UVxf ";", uv); |
| 352 |
|
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sv_catsv(dst, subchar); |
| 353 |
|
|
SvREFCNT_dec(subchar); |
| 354 |
|
|
} else { |
| 355 |
|
|
sv_catpv(dst, FBCHAR_UTF8); |
| 356 |
|
|
} |
| 357 |
|
|
s += ulen; |
| 358 |
|
|
} |
| 359 |
|
|
*SvEND(dst) = '\0'; |
| 360 |
|
|
|
| 361 |
|
|
return s; |
| 362 |
|
|
} |
| 363 |
|
|
|
| 364 |
|
|
|
| 365 |
|
|
MODULE = Encode PACKAGE = Encode::utf8 PREFIX = Method_ |
| 366 |
|
|
|
| 367 |
|
|
PROTOTYPES: DISABLE |
| 368 |
|
|
|
| 369 |
|
|
void |
| 370 |
|
|
Method_decode_xs(obj,src,check = 0) |
| 371 |
|
|
SV * obj |
| 372 |
|
|
SV * src |
| 373 |
|
|
int check |
| 374 |
|
|
CODE: |
| 375 |
|
|
{ |
| 376 |
|
|
STRLEN slen; |
| 377 |
|
|
U8 *s = (U8 *) SvPV(src, slen); |
| 378 |
|
|
U8 *e = (U8 *) SvEND(src); |
| 379 |
|
|
SV *dst = newSV(slen>0?slen:1); /* newSV() abhors 0 -- inaba */ |
| 380 |
|
|
|
| 381 |
|
|
/* |
| 382 |
|
|
* PerlIO check -- we assume the object is of PerlIO if renewed |
| 383 |
|
|
*/ |
| 384 |
|
|
int renewed = 0; |
| 385 |
|
|
dSP; ENTER; SAVETMPS; |
| 386 |
|
|
PUSHMARK(sp); |
| 387 |
|
|
XPUSHs(obj); |
| 388 |
|
|
PUTBACK; |
| 389 |
|
|
if (call_method("renewed",G_SCALAR) == 1) { |
| 390 |
|
|
SPAGAIN; |
| 391 |
|
|
renewed = POPi; |
| 392 |
|
|
PUTBACK; |
| 393 |
|
|
#if 0 |
| 394 |
|
|
fprintf(stderr, "renewed == %d\n", renewed); |
| 395 |
|
|
#endif |
| 396 |
|
|
} |
| 397 |
|
|
FREETMPS; LEAVE; |
| 398 |
|
|
/* end PerlIO check */ |
| 399 |
|
|
|
| 400 |
|
|
if (SvUTF8(src)) { |
| 401 |
|
|
s = utf8_to_bytes(s,&slen); |
| 402 |
|
|
if (s) { |
| 403 |
|
|
SvCUR_set(src,slen); |
| 404 |
|
|
SvUTF8_off(src); |
| 405 |
|
|
e = s+slen; |
| 406 |
|
|
} |
| 407 |
|
|
else { |
| 408 |
|
|
croak("Cannot decode string with wide characters"); |
| 409 |
|
|
} |
| 410 |
|
|
} |
| 411 |
|
|
|
| 412 |
|
|
s = process_utf8(aTHX_ dst, s, e, check, 0, strict_utf8(aTHX_ obj), renewed); |
| 413 |
|
|
|
| 414 |
|
|
/* Clear out translated part of source unless asked not to */ |
| 415 |
|
|
if (check && !(check & ENCODE_LEAVE_SRC)){ |
| 416 |
|
|
slen = e-s; |
| 417 |
|
|
if (slen) { |
| 418 |
|
|
sv_setpvn(src, (char*)s, slen); |
| 419 |
|
|
} |
| 420 |
|
|
SvCUR_set(src, slen); |
| 421 |
|
|
} |
| 422 |
|
|
SvUTF8_on(dst); |
| 423 |
|
|
ST(0) = sv_2mortal(dst); |
| 424 |
|
|
XSRETURN(1); |
| 425 |
|
|
} |
| 426 |
|
|
|
| 427 |
|
|
void |
| 428 |
|
|
Method_encode_xs(obj,src,check = 0) |
| 429 |
|
|
SV * obj |
| 430 |
|
|
SV * src |
| 431 |
|
|
int check |
| 432 |
|
|
CODE: |
| 433 |
|
|
{ |
| 434 |
|
|
STRLEN slen; |
| 435 |
|
|
U8 *s = (U8 *) SvPV(src, slen); |
| 436 |
|
|
U8 *e = (U8 *) SvEND(src); |
| 437 |
|
|
SV *dst = newSV(slen>0?slen:1); /* newSV() abhors 0 -- inaba */ |
| 438 |
|
|
if (SvUTF8(src)) { |
| 439 |
|
|
/* Already encoded */ |
| 440 |
|
|
if (strict_utf8(aTHX_ obj)) { |
| 441 |
|
|
s = process_utf8(aTHX_ dst, s, e, check, 1, 1, 0); |
| 442 |
|
|
} |
| 443 |
|
|
else { |
| 444 |
|
|
/* trust it and just copy the octets */ |
| 445 |
|
|
sv_setpvn(dst,(char *)s,(e-s)); |
| 446 |
|
|
s = e; |
| 447 |
|
|
} |
| 448 |
|
|
} |
| 449 |
|
|
else { |
| 450 |
|
|
/* Native bytes - can always encode */ |
| 451 |
|
|
U8 *d = (U8 *) SvGROW(dst, 2*slen+1); /* +1 or assertion will botch */ |
| 452 |
|
|
while (s < e) { |
| 453 |
|
|
UV uv = NATIVE_TO_UNI((UV) *s++); |
| 454 |
|
|
if (UNI_IS_INVARIANT(uv)) |
| 455 |
|
|
*d++ = (U8)UTF_TO_NATIVE(uv); |
| 456 |
|
|
else { |
| 457 |
|
|
*d++ = (U8)UTF8_EIGHT_BIT_HI(uv); |
| 458 |
|
|
*d++ = (U8)UTF8_EIGHT_BIT_LO(uv); |
| 459 |
|
|
} |
| 460 |
|
|
} |
| 461 |
|
|
SvCUR_set(dst, d- (U8 *)SvPVX(dst)); |
| 462 |
|
|
*SvEND(dst) = '\0'; |
| 463 |
|
|
} |
| 464 |
|
|
|
| 465 |
|
|
/* Clear out translated part of source unless asked not to */ |
| 466 |
|
|
if (check && !(check & ENCODE_LEAVE_SRC)){ |
| 467 |
|
|
slen = e-s; |
| 468 |
|
|
if (slen) { |
| 469 |
|
|
sv_setpvn(src, (char*)s, slen); |
| 470 |
|
|
} |
| 471 |
|
|
SvCUR_set(src, slen); |
| 472 |
|
|
} |
| 473 |
|
|
SvPOK_only(dst); |
| 474 |
|
|
SvUTF8_off(dst); |
| 475 |
|
|
ST(0) = sv_2mortal(dst); |
| 476 |
|
|
XSRETURN(1); |
| 477 |
|
|
} |
| 478 |
|
|
|
| 479 |
|
|
MODULE = Encode PACKAGE = Encode::XS PREFIX = Method_ |
| 480 |
|
|
|
| 481 |
|
|
PROTOTYPES: ENABLE |
| 482 |
|
|
|
| 483 |
|
|
void |
| 484 |
|
|
Method_renew(obj) |
| 485 |
|
|
SV * obj |
| 486 |
|
|
CODE: |
| 487 |
|
|
{ |
| 488 |
|
|
XSRETURN(1); |
| 489 |
|
|
} |
| 490 |
|
|
|
| 491 |
|
|
int |
| 492 |
|
|
Method_renewed(obj) |
| 493 |
|
|
SV * obj |
| 494 |
|
|
CODE: |
| 495 |
|
|
RETVAL = 0; |
| 496 |
|
|
OUTPUT: |
| 497 |
|
|
RETVAL |
| 498 |
|
|
|
| 499 |
|
|
void |
| 500 |
|
|
Method_name(obj) |
| 501 |
|
|
SV * obj |
| 502 |
|
|
CODE: |
| 503 |
|
|
{ |
| 504 |
|
|
encode_t *enc = INT2PTR(encode_t *, SvIV(SvRV(obj))); |
| 505 |
|
|
ST(0) = sv_2mortal(newSVpvn(enc->name[0],strlen(enc->name[0]))); |
| 506 |
|
|
XSRETURN(1); |
| 507 |
|
|
} |
| 508 |
|
|
|
| 509 |
|
|
void |
| 510 |
|
|
Method_cat_decode(obj, dst, src, off, term, check = 0) |
| 511 |
|
|
SV * obj |
| 512 |
|
|
SV * dst |
| 513 |
|
|
SV * src |
| 514 |
|
|
SV * off |
| 515 |
|
|
SV * term |
| 516 |
|
|
int check |
| 517 |
|
|
CODE: |
| 518 |
|
|
{ |
| 519 |
|
|
encode_t *enc = INT2PTR(encode_t *, SvIV(SvRV(obj))); |
| 520 |
|
|
STRLEN offset = (STRLEN)SvIV(off); |
| 521 |
|
|
int code = 0; |
| 522 |
|
|
if (SvUTF8(src)) { |
| 523 |
|
|
sv_utf8_downgrade(src, FALSE); |
| 524 |
|
|
} |
| 525 |
|
|
sv_catsv(dst, encode_method(aTHX_ enc, enc->t_utf8, src, check, |
| 526 |
|
|
&offset, term, &code)); |
| 527 |
|
|
SvIV_set(off, (IV)offset); |
| 528 |
|
|
if (code == ENCODE_FOUND_TERM) { |
| 529 |
|
|
ST(0) = &PL_sv_yes; |
| 530 |
|
|
}else{ |
| 531 |
|
|
ST(0) = &PL_sv_no; |
| 532 |
|
|
} |
| 533 |
|
|
XSRETURN(1); |
| 534 |
|
|
} |
| 535 |
|
|
|
| 536 |
|
|
void |
| 537 |
|
|
Method_decode(obj,src,check = 0) |
| 538 |
|
|
SV * obj |
| 539 |
|
|
SV * src |
| 540 |
|
|
int check |
| 541 |
|
|
CODE: |
| 542 |
|
|
{ |
| 543 |
|
|
encode_t *enc = INT2PTR(encode_t *, SvIV(SvRV(obj))); |
| 544 |
|
|
if (SvUTF8(src)) { |
| 545 |
|
|
sv_utf8_downgrade(src, FALSE); |
| 546 |
|
|
} |
| 547 |
|
|
ST(0) = encode_method(aTHX_ enc, enc->t_utf8, src, check, |
| 548 |
|
|
NULL, Nullsv, NULL); |
| 549 |
|
|
SvUTF8_on(ST(0)); |
| 550 |
|
|
XSRETURN(1); |
| 551 |
|
|
} |
| 552 |
|
|
|
| 553 |
|
|
void |
| 554 |
|
|
Method_encode(obj,src,check = 0) |
| 555 |
|
|
SV * obj |
| 556 |
|
|
SV * src |
| 557 |
|
|
int check |
| 558 |
|
|
CODE: |
| 559 |
|
|
{ |
| 560 |
|
|
encode_t *enc = INT2PTR(encode_t *, SvIV(SvRV(obj))); |
| 561 |
|
|
sv_utf8_upgrade(src); |
| 562 |
|
|
ST(0) = encode_method(aTHX_ enc, enc->f_utf8, src, check, |
| 563 |
|
|
NULL, Nullsv, NULL); |
| 564 |
|
|
XSRETURN(1); |
| 565 |
|
|
} |
| 566 |
|
|
|
| 567 |
|
|
void |
| 568 |
|
|
Method_needs_lines(obj) |
| 569 |
|
|
SV * obj |
| 570 |
|
|
CODE: |
| 571 |
|
|
{ |
| 572 |
|
|
/* encode_t *enc = INT2PTR(encode_t *, SvIV(SvRV(obj))); */ |
| 573 |
|
|
ST(0) = &PL_sv_no; |
| 574 |
|
|
XSRETURN(1); |
| 575 |
|
|
} |
| 576 |
|
|
|
| 577 |
|
|
void |
| 578 |
|
|
Method_perlio_ok(obj) |
| 579 |
|
|
SV * obj |
| 580 |
|
|
CODE: |
| 581 |
|
|
{ |
| 582 |
|
|
/* encode_t *enc = INT2PTR(encode_t *, SvIV(SvRV(obj))); */ |
| 583 |
|
|
/* require_pv(PERLIO_FILENAME); */ |
| 584 |
|
|
|
| 585 |
|
|
eval_pv("require PerlIO::encoding", 0); |
| 586 |
|
|
|
| 587 |
|
|
if (SvTRUE(get_sv("@", 0))) { |
| 588 |
|
|
ST(0) = &PL_sv_no; |
| 589 |
|
|
}else{ |
| 590 |
|
|
ST(0) = &PL_sv_yes; |
| 591 |
|
|
} |
| 592 |
|
|
XSRETURN(1); |
| 593 |
|
|
} |
| 594 |
|
|
|
| 595 |
|
|
MODULE = Encode PACKAGE = Encode |
| 596 |
|
|
|
| 597 |
|
|
PROTOTYPES: ENABLE |
| 598 |
|
|
|
| 599 |
|
|
I32 |
| 600 |
|
|
_bytes_to_utf8(sv, ...) |
| 601 |
|
|
SV * sv |
| 602 |
|
|
CODE: |
| 603 |
|
|
{ |
| 604 |
|
|
SV * encoding = items == 2 ? ST(1) : Nullsv; |
| 605 |
|
|
|
| 606 |
|
|
if (encoding) |
| 607 |
|
|
RETVAL = _encoded_bytes_to_utf8(sv, SvPV_nolen(encoding)); |
| 608 |
|
|
else { |
| 609 |
|
|
STRLEN len; |
| 610 |
|
|
U8* s = (U8*)SvPV(sv, len); |
| 611 |
|
|
U8* converted; |
| 612 |
|
|
|
| 613 |
|
|
converted = bytes_to_utf8(s, &len); /* This allocs */ |
| 614 |
|
|
sv_setpvn(sv, (char *)converted, len); |
| 615 |
|
|
SvUTF8_on(sv); /* XXX Should we? */ |
| 616 |
|
|
Safefree(converted); /* ... so free it */ |
| 617 |
|
|
RETVAL = len; |
| 618 |
|
|
} |
| 619 |
|
|
} |
| 620 |
|
|
OUTPUT: |
| 621 |
|
|
RETVAL |
| 622 |
|
|
|
| 623 |
|
|
I32 |
| 624 |
|
|
_utf8_to_bytes(sv, ...) |
| 625 |
|
|
SV * sv |
| 626 |
|
|
CODE: |
| 627 |
|
|
{ |
| 628 |
|
|
SV * to = items > 1 ? ST(1) : Nullsv; |
| 629 |
|
|
SV * check = items > 2 ? ST(2) : Nullsv; |
| 630 |
|
|
|
| 631 |
|
|
if (to) { |
| 632 |
|
|
RETVAL = _encoded_utf8_to_bytes(sv, SvPV_nolen(to)); |
| 633 |
|
|
} else { |
| 634 |
|
|
STRLEN len; |
| 635 |
|
|
U8 *s = (U8*)SvPV(sv, len); |
| 636 |
|
|
|
| 637 |
|
|
RETVAL = 0; |
| 638 |
|
|
if (SvTRUE(check)) { |
| 639 |
|
|
/* Must do things the slow way */ |
| 640 |
|
|
U8 *dest; |
| 641 |
|
|
/* We need a copy to pass to check() */ |
| 642 |
|
|
U8 *src = (U8*)savepv((char *)s); |
| 643 |
|
|
U8 *send = s + len; |
| 644 |
|
|
|
| 645 |
|
|
New(83, dest, len, U8); /* I think */ |
| 646 |
|
|
|
| 647 |
|
|
while (s < send) { |
| 648 |
|
|
if (*s < 0x80){ |
| 649 |
|
|
*dest++ = *s++; |
| 650 |
|
|
} else { |
| 651 |
|
|
STRLEN ulen; |
| 652 |
|
|
UV uv = *s++; |
| 653 |
|
|
|
| 654 |
|
|
/* Have to do it all ourselves because of error routine, |
| 655 |
|
|
aargh. */ |
| 656 |
|
|
if (!(uv & 0x40)){ goto failure; } |
| 657 |
|
|
if (!(uv & 0x20)) { ulen = 2; uv &= 0x1f; } |
| 658 |
|
|
else if (!(uv & 0x10)) { ulen = 3; uv &= 0x0f; } |
| 659 |
|
|
else if (!(uv & 0x08)) { ulen = 4; uv &= 0x07; } |
| 660 |
|
|
else if (!(uv & 0x04)) { ulen = 5; uv &= 0x03; } |
| 661 |
|
|
else if (!(uv & 0x02)) { ulen = 6; uv &= 0x01; } |
| 662 |
|
|
else if (!(uv & 0x01)) { ulen = 7; uv = 0; } |
| 663 |
|
|
else { ulen = 13; uv = 0; } |
| 664 |
|
|
|
| 665 |
|
|
/* Note change to utf8.c variable naming, for variety */ |
| 666 |
|
|
while (ulen--) { |
| 667 |
|
|
if ((*s & 0xc0) != 0x80){ |
| 668 |
|
|
goto failure; |
| 669 |
|
|
} else { |
| 670 |
|
|
uv = (uv << 6) | (*s++ & 0x3f); |
| 671 |
|
|
} |
| 672 |
|
|
} |
| 673 |
|
|
if (uv > 256) { |
| 674 |
|
|
failure: |
| 675 |
|
|
call_failure(check, s, dest, src); |
| 676 |
|
|
/* Now what happens? */ |
| 677 |
|
|
} |
| 678 |
|
|
*dest++ = (U8)uv; |
| 679 |
|
|
} |
| 680 |
|
|
} |
| 681 |
|
|
} else { |
| 682 |
|
|
RETVAL = (utf8_to_bytes(s, &len) ? len : 0); |
| 683 |
|
|
} |
| 684 |
|
|
} |
| 685 |
|
|
} |
| 686 |
|
|
OUTPUT: |
| 687 |
|
|
RETVAL |
| 688 |
|
|
|
| 689 |
|
|
bool |
| 690 |
|
|
is_utf8(sv, check = 0) |
| 691 |
|
|
SV * sv |
| 692 |
|
|
int check |
| 693 |
|
|
CODE: |
| 694 |
|
|
{ |
| 695 |
|
|
if (SvGMAGICAL(sv)) /* it could be $1, for example */ |
| 696 |
|
|
sv = newSVsv(sv); /* GMAGIG will be done */ |
| 697 |
|
|
if (SvPOK(sv)) { |
| 698 |
|
|
RETVAL = SvUTF8(sv) ? TRUE : FALSE; |
| 699 |
|
|
if (RETVAL && |
| 700 |
|
|
check && |
| 701 |
|
|
!is_utf8_string((U8*)SvPVX(sv), SvCUR(sv))) |
| 702 |
|
|
RETVAL = FALSE; |
| 703 |
|
|
} else { |
| 704 |
|
|
RETVAL = FALSE; |
| 705 |
|
|
} |
| 706 |
|
|
if (sv != ST(0)) |
| 707 |
|
|
SvREFCNT_dec(sv); /* it was a temp copy */ |
| 708 |
|
|
} |
| 709 |
|
|
OUTPUT: |
| 710 |
|
|
RETVAL |
| 711 |
|
|
|
| 712 |
|
|
SV * |
| 713 |
|
|
_utf8_on(sv) |
| 714 |
|
|
SV * sv |
| 715 |
|
|
CODE: |
| 716 |
|
|
{ |
| 717 |
|
|
if (SvPOK(sv)) { |
| 718 |
|
|
SV *rsv = newSViv(SvUTF8(sv)); |
| 719 |
|
|
RETVAL = rsv; |
| 720 |
|
|
SvUTF8_on(sv); |
| 721 |
|
|
} else { |
| 722 |
|
|
RETVAL = &PL_sv_undef; |
| 723 |
|
|
} |
| 724 |
|
|
} |
| 725 |
|
|
OUTPUT: |
| 726 |
|
|
RETVAL |
| 727 |
|
|
|
| 728 |
|
|
SV * |
| 729 |
|
|
_utf8_off(sv) |
| 730 |
|
|
SV * sv |
| 731 |
|
|
CODE: |
| 732 |
|
|
{ |
| 733 |
|
|
if (SvPOK(sv)) { |
| 734 |
|
|
SV *rsv = newSViv(SvUTF8(sv)); |
| 735 |
|
|
RETVAL = rsv; |
| 736 |
|
|
SvUTF8_off(sv); |
| 737 |
|
|
} else { |
| 738 |
|
|
RETVAL = &PL_sv_undef; |
| 739 |
|
|
} |
| 740 |
|
|
} |
| 741 |
|
|
OUTPUT: |
| 742 |
|
|
RETVAL |
| 743 |
|
|
|
| 744 |
|
|
int |
| 745 |
|
|
DIE_ON_ERR() |
| 746 |
|
|
CODE: |
| 747 |
|
|
RETVAL = ENCODE_DIE_ON_ERR; |
| 748 |
|
|
OUTPUT: |
| 749 |
|
|
RETVAL |
| 750 |
|
|
|
| 751 |
|
|
int |
| 752 |
|
|
WARN_ON_ERR() |
| 753 |
|
|
CODE: |
| 754 |
|
|
RETVAL = ENCODE_WARN_ON_ERR; |
| 755 |
|
|
OUTPUT: |
| 756 |
|
|
RETVAL |
| 757 |
|
|
|
| 758 |
|
|
int |
| 759 |
|
|
LEAVE_SRC() |
| 760 |
|
|
CODE: |
| 761 |
|
|
RETVAL = ENCODE_LEAVE_SRC; |
| 762 |
|
|
OUTPUT: |
| 763 |
|
|
RETVAL |
| 764 |
|
|
|
| 765 |
|
|
int |
| 766 |
|
|
RETURN_ON_ERR() |
| 767 |
|
|
CODE: |
| 768 |
|
|
RETVAL = ENCODE_RETURN_ON_ERR; |
| 769 |
|
|
OUTPUT: |
| 770 |
|
|
RETVAL |
| 771 |
|
|
|
| 772 |
|
|
int |
| 773 |
|
|
PERLQQ() |
| 774 |
|
|
CODE: |
| 775 |
|
|
RETVAL = ENCODE_PERLQQ; |
| 776 |
|
|
OUTPUT: |
| 777 |
|
|
RETVAL |
| 778 |
|
|
|
| 779 |
|
|
int |
| 780 |
|
|
HTMLCREF() |
| 781 |
|
|
CODE: |
| 782 |
|
|
RETVAL = ENCODE_HTMLCREF; |
| 783 |
|
|
OUTPUT: |
| 784 |
|
|
RETVAL |
| 785 |
|
|
|
| 786 |
|
|
int |
| 787 |
|
|
XMLCREF() |
| 788 |
|
|
CODE: |
| 789 |
|
|
RETVAL = ENCODE_XMLCREF; |
| 790 |
|
|
OUTPUT: |
| 791 |
|
|
RETVAL |
| 792 |
|
|
|
| 793 |
|
|
int |
| 794 |
|
|
FB_DEFAULT() |
| 795 |
|
|
CODE: |
| 796 |
|
|
RETVAL = ENCODE_FB_DEFAULT; |
| 797 |
|
|
OUTPUT: |
| 798 |
|
|
RETVAL |
| 799 |
|
|
|
| 800 |
|
|
int |
| 801 |
|
|
FB_CROAK() |
| 802 |
|
|
CODE: |
| 803 |
|
|
RETVAL = ENCODE_FB_CROAK; |
| 804 |
|
|
OUTPUT: |
| 805 |
|
|
RETVAL |
| 806 |
|
|
|
| 807 |
|
|
int |
| 808 |
|
|
FB_QUIET() |
| 809 |
|
|
CODE: |
| 810 |
|
|
RETVAL = ENCODE_FB_QUIET; |
| 811 |
|
|
OUTPUT: |
| 812 |
|
|
RETVAL |
| 813 |
|
|
|
| 814 |
|
|
int |
| 815 |
|
|
FB_WARN() |
| 816 |
|
|
CODE: |
| 817 |
|
|
RETVAL = ENCODE_FB_WARN; |
| 818 |
|
|
OUTPUT: |
| 819 |
|
|
RETVAL |
| 820 |
|
|
|
| 821 |
|
|
int |
| 822 |
|
|
FB_PERLQQ() |
| 823 |
|
|
CODE: |
| 824 |
|
|
RETVAL = ENCODE_FB_PERLQQ; |
| 825 |
|
|
OUTPUT: |
| 826 |
|
|
RETVAL |
| 827 |
|
|
|
| 828 |
|
|
int |
| 829 |
|
|
FB_HTMLCREF() |
| 830 |
|
|
CODE: |
| 831 |
|
|
RETVAL = ENCODE_FB_HTMLCREF; |
| 832 |
|
|
OUTPUT: |
| 833 |
|
|
RETVAL |
| 834 |
|
|
|
| 835 |
|
|
int |
| 836 |
|
|
FB_XMLCREF() |
| 837 |
|
|
CODE: |
| 838 |
|
|
RETVAL = ENCODE_FB_XMLCREF; |
| 839 |
|
|
OUTPUT: |
| 840 |
|
|
RETVAL |
| 841 |
|
|
|
| 842 |
|
|
BOOT: |
| 843 |
|
|
{ |
| 844 |
|
|
#include "def_t.h" |
| 845 |
|
|
#include "def_t.exh" |
| 846 |
|
|
} |
