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… | |
79 | #define ERR_NESTING_EXCEEDED "json text or perl structure exceeds maximum nesting level (max_depth set too low?)" |
79 | #define ERR_NESTING_EXCEEDED "json text or perl structure exceeds maximum nesting level (max_depth set too low?)" |
80 | |
80 | |
81 | #ifdef USE_ITHREADS |
81 | #ifdef USE_ITHREADS |
82 | # define JSON_SLOW 1 |
82 | # define JSON_SLOW 1 |
83 | # define JSON_STASH (json_stash ? json_stash : gv_stashpv ("JSON::XS", 1)) |
83 | # define JSON_STASH (json_stash ? json_stash : gv_stashpv ("JSON::XS", 1)) |
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|
84 | # define BOOL_STASH (bool_stash ? bool_stash : gv_stashpv ("Types::Serialiser::Boolean", 1)) |
84 | #else |
85 | #else |
85 | # define JSON_SLOW 0 |
86 | # define JSON_SLOW 0 |
86 | # define JSON_STASH json_stash |
87 | # define JSON_STASH json_stash |
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|
88 | # define BOOL_STASH bool_stash |
87 | #endif |
89 | #endif |
88 | |
90 | |
89 | // the amount of HEs to allocate on the stack, when sorting keys |
91 | // the amount of HEs to allocate on the stack, when sorting keys |
90 | #define STACK_HES 64 |
92 | #define STACK_HES 64 |
91 | |
93 | |
92 | static HV *json_stash, *types_boolean_stash; // JSON::XS:: |
94 | static HV *json_stash, *bool_stash; // JSON::XS::, Types::Serialiser::Boolean:: |
93 | static SV *types_true, *types_false, *sv_json; |
95 | static SV *bool_true, *bool_false, *sv_json; |
94 | |
96 | |
95 | enum { |
97 | enum { |
96 | INCR_M_WS = 0, // initial whitespace skipping, must be 0 |
98 | INCR_M_WS = 0, // initial whitespace skipping, must be 0 |
97 | INCR_M_STR, // inside string |
99 | INCR_M_STR, // inside string |
98 | INCR_M_BS, // inside backslash |
100 | INCR_M_BS, // inside backslash |
… | |
… | |
299 | // a recursion depth of ten gives us >>500 bits |
301 | // a recursion depth of ten gives us >>500 bits |
300 | json_atof_scan1 (s, &accum, &expo, 0, 10); |
302 | json_atof_scan1 (s, &accum, &expo, 0, 10); |
301 | |
303 | |
302 | return neg ? -accum : accum; |
304 | return neg ? -accum : accum; |
303 | } |
305 | } |
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|
306 | |
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|
307 | // target of scalar reference is bool? -1 == nope, 0 == false, 1 == true |
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|
308 | static int |
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|
309 | ref_bool_type (SV *sv) |
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|
310 | { |
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311 | svtype svt = SvTYPE (sv); |
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312 | |
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313 | if (svt < SVt_PVAV) |
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|
314 | { |
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|
315 | STRLEN len = 0; |
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|
316 | char *pv = svt ? SvPV (sv, len) : 0; |
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317 | |
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|
318 | if (len == 1) |
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319 | if (*pv == '1') |
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|
320 | return 1; |
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|
321 | else if (*pv == '0') |
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|
322 | return 0; |
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|
323 | |
|
|
324 | } |
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|
325 | |
|
|
326 | return -1; |
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|
327 | } |
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|
328 | |
|
|
329 | // returns whether scalar is not a reference in the sense of allow_nonref |
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|
330 | static int |
|
|
331 | json_nonref (SV *scalar) |
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|
332 | { |
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|
333 | if (!SvROK (scalar)) |
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|
334 | return 1; |
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|
335 | |
|
|
336 | scalar = SvRV (scalar); |
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|
337 | |
|
|
338 | if (SvSTASH (scalar) == bool_stash) |
|
|
339 | return 1; |
|
|
340 | |
|
|
341 | if (!SvOBJECT (scalar) && ref_bool_type (scalar) >= 0) |
|
|
342 | return 1; |
|
|
343 | |
|
|
344 | return 0; |
|
|
345 | } |
|
|
346 | |
304 | ///////////////////////////////////////////////////////////////////////////// |
347 | ///////////////////////////////////////////////////////////////////////////// |
305 | // encoder |
348 | // encoder |
306 | |
349 | |
307 | // structure used for encoding JSON |
350 | // structure used for encoding JSON |
308 | typedef struct |
351 | typedef struct |
… | |
… | |
701 | SvGETMAGIC (sv); |
744 | SvGETMAGIC (sv); |
702 | svt = SvTYPE (sv); |
745 | svt = SvTYPE (sv); |
703 | |
746 | |
704 | if (expect_false (SvOBJECT (sv))) |
747 | if (expect_false (SvOBJECT (sv))) |
705 | { |
748 | { |
706 | HV *boolean_stash = !JSON_SLOW || types_boolean_stash |
|
|
707 | ? types_boolean_stash |
|
|
708 | : gv_stashpv ("Types::Serialiser::Boolean", 1); |
|
|
709 | HV *stash = SvSTASH (sv); |
749 | HV *stash = SvSTASH (sv); |
710 | |
750 | |
711 | if (stash == boolean_stash) |
751 | if (stash == bool_stash) |
712 | { |
752 | { |
713 | if (SvIV (sv)) |
753 | if (SvIV (sv)) |
714 | encode_str (enc, "true", 4, 0); |
754 | encode_str (enc, "true", 4, 0); |
715 | else |
755 | else |
716 | encode_str (enc, "false", 5, 0); |
756 | encode_str (enc, "false", 5, 0); |
… | |
… | |
790 | encode_hv (enc, (HV *)sv); |
830 | encode_hv (enc, (HV *)sv); |
791 | else if (svt == SVt_PVAV) |
831 | else if (svt == SVt_PVAV) |
792 | encode_av (enc, (AV *)sv); |
832 | encode_av (enc, (AV *)sv); |
793 | else if (svt < SVt_PVAV) |
833 | else if (svt < SVt_PVAV) |
794 | { |
834 | { |
795 | STRLEN len = 0; |
835 | int bool_type = ref_bool_type (sv); |
796 | char *pv = svt ? SvPV (sv, len) : 0; |
|
|
797 | |
836 | |
798 | if (len == 1 && *pv == '1') |
837 | if (bool_type == 1) |
799 | encode_str (enc, "true", 4, 0); |
838 | encode_str (enc, "true", 4, 0); |
800 | else if (len == 1 && *pv == '0') |
839 | else if (bool_type == 0) |
801 | encode_str (enc, "false", 5, 0); |
840 | encode_str (enc, "false", 5, 0); |
802 | else if (enc->json.flags & F_ALLOW_UNKNOWN) |
841 | else if (enc->json.flags & F_ALLOW_UNKNOWN) |
803 | encode_str (enc, "null", 4, 0); |
842 | encode_str (enc, "null", 4, 0); |
804 | else |
843 | else |
805 | croak ("cannot encode reference to scalar '%s' unless the scalar is 0 or 1", |
844 | croak ("cannot encode reference to scalar '%s' unless the scalar is 0 or 1", |
… | |
… | |
883 | else |
922 | else |
884 | croak ("encountered perl type (%s,0x%x) that JSON cannot handle, check your input data", |
923 | croak ("encountered perl type (%s,0x%x) that JSON cannot handle, check your input data", |
885 | SvPV_nolen (sv), (unsigned int)SvFLAGS (sv)); |
924 | SvPV_nolen (sv), (unsigned int)SvFLAGS (sv)); |
886 | } |
925 | } |
887 | |
926 | |
888 | static int |
|
|
889 | json_scalar (SV *scalar) |
|
|
890 | { |
|
|
891 | return 0;//D |
|
|
892 | if (!SvROK (scalar)) |
|
|
893 | return 1; |
|
|
894 | } |
|
|
895 | |
|
|
896 | static SV * |
927 | static SV * |
897 | encode_json (SV *scalar, JSON *json) |
928 | encode_json (SV *scalar, JSON *json) |
898 | { |
929 | { |
899 | enc_t enc; |
930 | enc_t enc; |
900 | |
931 | |
901 | if (!(json->flags & F_ALLOW_NONREF) && json_scalar (scalar)) |
932 | if (!(json->flags & F_ALLOW_NONREF) && json_nonref (scalar)) |
902 | croak ("hash- or arrayref expected (not a simple scalar, use allow_nonref to allow this)"); |
933 | croak ("hash- or arrayref expected (not a simple scalar, use allow_nonref to allow this)"); |
903 | |
934 | |
904 | enc.json = *json; |
935 | enc.json = *json; |
905 | enc.sv = sv_2mortal (NEWSV (0, INIT_SIZE)); |
936 | enc.sv = sv_2mortal (NEWSV (0, INIT_SIZE)); |
906 | enc.cur = SvPVX (enc.sv); |
937 | enc.cur = SvPVX (enc.sv); |
… | |
… | |
1612 | case 't': |
1643 | case 't': |
1613 | if (dec->end - dec->cur >= 4 && !memcmp (dec->cur, "true", 4)) |
1644 | if (dec->end - dec->cur >= 4 && !memcmp (dec->cur, "true", 4)) |
1614 | { |
1645 | { |
1615 | dec->cur += 4; |
1646 | dec->cur += 4; |
1616 | #if JSON_SLOW |
1647 | #if JSON_SLOW |
1617 | types_true = get_bool ("Types::Serialiser::true"); |
1648 | bool_true = get_bool ("Types::Serialiser::true"); |
1618 | #endif |
1649 | #endif |
1619 | return newSVsv (types_true); |
1650 | return newSVsv (bool_true); |
1620 | } |
1651 | } |
1621 | else |
1652 | else |
1622 | ERR ("'true' expected"); |
1653 | ERR ("'true' expected"); |
1623 | |
1654 | |
1624 | break; |
1655 | break; |
… | |
… | |
1626 | case 'f': |
1657 | case 'f': |
1627 | if (dec->end - dec->cur >= 5 && !memcmp (dec->cur, "false", 5)) |
1658 | if (dec->end - dec->cur >= 5 && !memcmp (dec->cur, "false", 5)) |
1628 | { |
1659 | { |
1629 | dec->cur += 5; |
1660 | dec->cur += 5; |
1630 | #if JSON_SLOW |
1661 | #if JSON_SLOW |
1631 | types_false = get_bool ("Types::Serialiser::false"); |
1662 | bool_false = get_bool ("Types::Serialiser::false"); |
1632 | #endif |
1663 | #endif |
1633 | return newSVsv (types_false); |
1664 | return newSVsv (bool_false); |
1634 | } |
1665 | } |
1635 | else |
1666 | else |
1636 | ERR ("'false' expected"); |
1667 | ERR ("'false' expected"); |
1637 | |
1668 | |
1638 | break; |
1669 | break; |
… | |
… | |
1752 | dec.cur != dec.end ? SvPV_nolen (uni) : "(end of string)"); |
1783 | dec.cur != dec.end ? SvPV_nolen (uni) : "(end of string)"); |
1753 | } |
1784 | } |
1754 | |
1785 | |
1755 | sv = sv_2mortal (sv); |
1786 | sv = sv_2mortal (sv); |
1756 | |
1787 | |
1757 | if (!(dec.json.flags & F_ALLOW_NONREF) && !SvROK (sv)) |
1788 | if (!(dec.json.flags & F_ALLOW_NONREF) && json_nonref (sv)) |
1758 | croak ("JSON text must be an object or array (but found number, string, true, false or null, use allow_nonref to allow this)"); |
1789 | croak ("JSON text must be an object or array (but found number, string, true, false or null, use allow_nonref to allow this)"); |
1759 | |
1790 | |
1760 | return sv; |
1791 | return sv; |
1761 | } |
1792 | } |
1762 | |
1793 | |
… | |
… | |
1932 | i >= '0' && i <= '9' ? i - '0' |
1963 | i >= '0' && i <= '9' ? i - '0' |
1933 | : i >= 'a' && i <= 'f' ? i - 'a' + 10 |
1964 | : i >= 'a' && i <= 'f' ? i - 'a' + 10 |
1934 | : i >= 'A' && i <= 'F' ? i - 'A' + 10 |
1965 | : i >= 'A' && i <= 'F' ? i - 'A' + 10 |
1935 | : -1; |
1966 | : -1; |
1936 | |
1967 | |
1937 | json_stash = gv_stashpv ("JSON::XS" , 1); |
1968 | json_stash = gv_stashpv ("JSON::XS" , 1); |
1938 | types_boolean_stash = gv_stashpv ("Types::Serialiser::Boolean", 1); |
1969 | bool_stash = gv_stashpv ("Types::Serialiser::Boolean", 1); |
1939 | |
|
|
1940 | types_true = get_bool ("Types::Serialiser::true"); |
1970 | bool_true = get_bool ("Types::Serialiser::true"); |
1941 | types_false = get_bool ("Types::Serialiser::false"); |
1971 | bool_false = get_bool ("Types::Serialiser::false"); |
1942 | |
1972 | |
1943 | sv_json = newSVpv ("JSON", 0); |
1973 | sv_json = newSVpv ("JSON", 0); |
1944 | SvREADONLY_on (sv_json); |
1974 | SvREADONLY_on (sv_json); |
1945 | |
1975 | |
1946 | CvNODEBUG_on (get_cv ("JSON::XS::incr_text", 0)); /* the debugger completely breaks lvalue subs */ |
1976 | CvNODEBUG_on (get_cv ("JSON::XS::incr_text", 0)); /* the debugger completely breaks lvalue subs */ |
… | |
… | |
1948 | |
1978 | |
1949 | PROTOTYPES: DISABLE |
1979 | PROTOTYPES: DISABLE |
1950 | |
1980 | |
1951 | void CLONE (...) |
1981 | void CLONE (...) |
1952 | CODE: |
1982 | CODE: |
1953 | json_stash = 0; |
1983 | json_stash = 0; |
1954 | types_boolean_stash = 0; |
1984 | bool_stash = 0; |
1955 | |
1985 | |
1956 | void new (char *klass) |
1986 | void new (char *klass) |
1957 | PPCODE: |
1987 | PPCODE: |
1958 | { |
1988 | { |
1959 | SV *pv = NEWSV (0, sizeof (JSON)); |
1989 | SV *pv = NEWSV (0, sizeof (JSON)); |