1 | #include "EXTERN.h" |
1 | #include "EXTERN.h" |
2 | #include "perl.h" |
2 | #include "perl.h" |
3 | #include "XSUB.h" |
3 | #include "XSUB.h" |
4 | |
4 | |
5 | // C99 required |
5 | // C99 required! |
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6 | // this is not just for comments, but also for |
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7 | // integer constant semantics, |
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8 | // sscanf format modifiers and more. |
6 | |
9 | |
7 | enum { |
10 | enum { |
8 | // ASN_TAG |
11 | // ASN_TAG |
9 | ASN_BOOLEAN = 0x01, |
12 | ASN_BOOLEAN = 0x01, |
10 | ASN_INTEGER32 = 0x02, |
13 | ASN_INTEGER32 = 0x02, |
… | |
… | |
92 | |
95 | |
93 | static profile_type *cur_profile, *default_profile; |
96 | static profile_type *cur_profile, *default_profile; |
94 | static SV *buf_sv; // encoding buffer |
97 | static SV *buf_sv; // encoding buffer |
95 | static U8 *buf, *cur, *end; // buffer start, current, end |
98 | static U8 *buf, *cur, *end; // buffer start, current, end |
96 | |
99 | |
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100 | #if PERL_VERSION < 18 |
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101 | # define utf8_to_uvchr_buf(s,e,l) utf8_to_uvchr (s, l) |
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102 | #endif |
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103 | |
97 | #if __GNUC__ >= 3 |
104 | #if __GNUC__ >= 3 |
98 | # define expect(expr,value) __builtin_expect ((expr), (value)) |
105 | # define expect(expr,value) __builtin_expect ((expr), (value)) |
99 | # define INLINE static inline |
106 | # define INLINE static inline |
100 | #else |
107 | #else |
101 | # define expect(expr,value) (expr) |
108 | # define expect(expr,value) (expr) |
… | |
… | |
155 | return BER_TYPE_BYTES; |
162 | return BER_TYPE_BYTES; |
156 | |
163 | |
157 | return SvPVX (sv)[idx]; |
164 | return SvPVX (sv)[idx]; |
158 | } |
165 | } |
159 | |
166 | |
160 | static int |
167 | static void |
161 | profile_set (profile_type *profile, int klass, int tag, int type) |
168 | profile_set (profile_type *profile, int klass, int tag, int type) |
162 | { |
169 | { |
163 | SV *sv = (SV *)profile; |
170 | SV *sv = (SV *)profile; |
164 | U32 idx = (tag << 2) + klass; |
171 | U32 idx = (tag << 2) + klass; |
165 | STRLEN oldlen = SvCUR (sv); |
172 | STRLEN oldlen = SvCUR (sv); |
… | |
… | |
195 | { ASN_UNIVERSAL, ASN_UTF8_STRING , BER_TYPE_UTF8 }, |
202 | { ASN_UNIVERSAL, ASN_UTF8_STRING , BER_TYPE_UTF8 }, |
196 | { ASN_UNIVERSAL, ASN_BMP_STRING , BER_TYPE_UCS2 }, |
203 | { ASN_UNIVERSAL, ASN_BMP_STRING , BER_TYPE_UCS2 }, |
197 | { ASN_UNIVERSAL, ASN_UNIVERSAL_STRING , BER_TYPE_UCS4 }, |
204 | { ASN_UNIVERSAL, ASN_UNIVERSAL_STRING , BER_TYPE_UCS4 }, |
198 | }; |
205 | }; |
199 | |
206 | |
200 | for (celem = default_map + sizeof (default_map) / sizeof (default_map [0]); celem > default_map; celem--) |
207 | for (celem = default_map + sizeof (default_map) / sizeof (default_map [0]); celem-- > default_map; ) |
201 | profile_set ((void *)sv, celem->klass, celem->tag, celem->type); |
208 | profile_set ((profile_type *)sv, celem->klass, celem->tag, celem->type); |
202 | |
209 | |
203 | return sv_bless (newRV_noinc (sv), profile_stash); |
210 | return sv_bless (newRV_noinc (sv), profile_stash); |
204 | } |
211 | } |
205 | |
212 | |
206 | ///////////////////////////////////////////////////////////////////////////// |
213 | ///////////////////////////////////////////////////////////////////////////// |
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… | |
339 | u /= 10; |
346 | u /= 10; |
340 | } |
347 | } |
341 | while (u); |
348 | while (u); |
342 | |
349 | |
343 | // reverse digits |
350 | // reverse digits |
344 | for (char *ptr = buf; --ptr != beg; ++beg) |
351 | char *ptr = buf; |
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352 | while (--ptr != beg) |
345 | { |
353 | { |
346 | char c = *ptr; |
354 | char c = *ptr; |
347 | *ptr = *beg; |
355 | *ptr = *beg; |
348 | *beg = c; |
356 | *beg = c; |
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357 | ++beg; |
349 | } |
358 | } |
350 | } |
359 | } |
351 | |
360 | |
352 | return buf; |
361 | return buf; |
353 | } |
362 | } |
… | |
… | |
553 | static void |
562 | static void |
554 | set_buf (SV *sv) |
563 | set_buf (SV *sv) |
555 | { |
564 | { |
556 | STRLEN len; |
565 | STRLEN len; |
557 | buf_sv = sv; |
566 | buf_sv = sv; |
558 | buf = SvPVbyte (buf_sv, len); |
567 | buf = (U8 *)SvPVbyte (buf_sv, len); |
559 | cur = buf; |
568 | cur = buf; |
560 | end = buf + len; |
569 | end = buf + len; |
561 | } |
570 | } |
562 | |
571 | |
563 | /* similar to SvGROW, but somewhat safer and guarantees exponential realloc strategy */ |
572 | /* similar to SvGROW, but somewhat safer and guarantees exponential realloc strategy */ |
… | |
… | |
577 | need (STRLEN len) |
586 | need (STRLEN len) |
578 | { |
587 | { |
579 | if (expect_false ((uintptr_t)(end - cur) < len)) |
588 | if (expect_false ((uintptr_t)(end - cur) < len)) |
580 | { |
589 | { |
581 | STRLEN pos = cur - buf; |
590 | STRLEN pos = cur - buf; |
582 | buf = my_sv_grow (buf_sv, pos, len); |
591 | buf = (U8 *)my_sv_grow (buf_sv, pos, len); |
583 | cur = buf + pos; |
592 | cur = buf + pos; |
584 | end = buf + SvLEN (buf_sv) - 1; |
593 | end = buf + SvLEN (buf_sv) - 1; |
585 | } |
594 | } |
586 | } |
595 | } |
587 | |
596 | |
… | |
… | |
813 | put_length (uchars * chrsize); |
822 | put_length (uchars * chrsize); |
814 | |
823 | |
815 | while (uchars--) |
824 | while (uchars--) |
816 | { |
825 | { |
817 | STRLEN uclen; |
826 | STRLEN uclen; |
818 | UV uchr = utf8_to_uvchr_buf (ptr, ptr + len, &uclen); |
827 | UV uchr = utf8_to_uvchr_buf ((U8 *)ptr, (U8 *)ptr + len, &uclen); |
819 | |
828 | |
820 | ptr += uclen; |
829 | ptr += uclen; |
821 | len -= uclen; |
830 | len -= uclen; |
822 | |
831 | |
823 | if (chrsize == 4) |
832 | if (chrsize == 4) |
… | |
… | |
864 | int fill = AvFILL (av); |
873 | int fill = AvFILL (av); |
865 | |
874 | |
866 | if (expect_false (SvRMAGICAL (av))) |
875 | if (expect_false (SvRMAGICAL (av))) |
867 | croak ("BER constructed data must not be tied"); |
876 | croak ("BER constructed data must not be tied"); |
868 | |
877 | |
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878 | int i; |
869 | for (int i = 0; i <= fill; ++i) |
879 | for (i = 0; i <= fill; ++i) |
870 | encode_ber (AvARRAY (av)[i]); |
880 | encode_ber (AvARRAY (av)[i]); |
871 | |
881 | |
872 | len_fixup (mark); |
882 | len_fixup (mark); |
873 | } |
883 | } |
874 | else |
884 | else |
… | |
… | |
1024 | ber_decode (SV *ber, SV *profile = &PL_sv_undef) |
1034 | ber_decode (SV *ber, SV *profile = &PL_sv_undef) |
1025 | CODE: |
1035 | CODE: |
1026 | { |
1036 | { |
1027 | cur_profile = SvPROFILE (profile); |
1037 | cur_profile = SvPROFILE (profile); |
1028 | STRLEN len; |
1038 | STRLEN len; |
1029 | buf = SvPVbyte (ber, len); |
1039 | buf = (U8 *)SvPVbyte (ber, len); |
1030 | cur = buf; |
1040 | cur = buf; |
1031 | end = buf + len; |
1041 | end = buf + len; |
1032 | |
1042 | |
1033 | RETVAL = decode_ber (); |
1043 | RETVAL = decode_ber (); |
1034 | } |
1044 | } |